loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.1075.2.109 and 1.1384

version 1.1075.2.109, 2016/08/14 00:24:29	version 1.1384, 2022/06/11 14:51:49
Line 61 use POSIX qw(strftime mktime);	Line 61 use POSIX qw(strftime mktime);
use Apache::lonmenu();	use Apache::lonmenu();
use Apache::lonenc();	use Apache::lonenc();
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonnet();	use Apache::lonnavmaps();
use HTML::Entities;	use HTML::Entities;
use Apache::lonhtmlcommon();	use Apache::lonhtmlcommon();
use Apache::loncoursedata();	use Apache::loncoursedata();
Line 71 use Apache::lonuserutils();	Line 71 use Apache::lonuserutils();
use Apache::lonuserstate();	use Apache::lonuserstate();
use Apache::courseclassifier();	use Apache::courseclassifier();
use LONCAPA qw(:DEFAULT :match);	use LONCAPA qw(:DEFAULT :match);
	use LONCAPA::LWPReq;
	use HTTP::Request;
use DateTime::TimeZone;	use DateTime::TimeZone;
use DateTime::Locale;	use DateTime::Locale;
use Encode();	use Encode();
	use Text::Aspell;
use Authen::Captcha;	use Authen::Captcha;
use Captcha::reCAPTCHA;	use Captcha::reCAPTCHA;
use JSON::DWIW;	use JSON::DWIW;
use LWP::UserAgent;
use Crypt::DES;	use Crypt::DES;
use DynaLoader; # for Crypt::DES version	use DynaLoader; # for Crypt::DES version
	use MIME::Lite;
	use MIME::Types;
	use File::Copy();
	use File::Path();
	use String::CRC32();
	use Short::URL();

# ---------------------------------------------- Designs	# ---------------------------------------------- Designs
use vars qw(%defaultdesign);	use vars qw(%defaultdesign);
Line 164 sub ssi_with_retries {	Line 172 sub ssi_with_retries {
# ----------------------------------------------- Filetypes/Languages/Copyright	# ----------------------------------------------- Filetypes/Languages/Copyright
my %language;	my %language;
my %supported_language;	my %supported_language;
	my %supported_codes;
my %latex_language; # For choosing hyphenation in <transl..>	my %latex_language; # For choosing hyphenation in <transl..>
my %latex_language_bykey; # for choosing hyphenation from metadata	my %latex_language_bykey; # for choosing hyphenation from metadata
my %cprtag;	my %cprtag;
Line 194 BEGIN {	Line 203 BEGIN {
{	{
my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.	my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/language.tab';	'/language.tab';
if ( open(my $fh,"<$langtabfile") ) {	if ( open(my $fh,'<',$langtabfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line=~/^\#/);	next if ($line=~/^\#/);
chomp($line);	chomp($line);
my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));	my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
$language{$key}=$val.' - '.$enc;	$language{$key}=$val.' - '.$enc;
if ($sup) {	if ($sup) {
$supported_language{$key}=$sup;	$supported_language{$key}=$sup;
	$supported_codes{$key} = $code;
}	}
if ($latex) {	if ($latex) {
$latex_language_bykey{$key} = $latex;	$latex_language_bykey{$key} = $latex;
$latex_language{$two} = $latex;	$latex_language{$code} = $latex;
}	}
}	}
close($fh);	close($fh);
Line 215 BEGIN {	Line 225 BEGIN {
{	{
my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.	my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
'/copyright.tab';	'/copyright.tab';
if ( open (my $fh,"<$copyrightfile") ) {	if ( open (my $fh,'<',$copyrightfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line=~/^\#/);	next if ($line=~/^\#/);
chomp($line);	chomp($line);
Line 229 BEGIN {	Line 239 BEGIN {
{	{
my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.	my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
'/source_copyright.tab';	'/source_copyright.tab';
if ( open (my $fh,"<$sourcecopyrightfile") ) {	if ( open (my $fh,'<',$sourcecopyrightfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line =~ /^\#/);	next if ($line =~ /^\#/);
chomp($line);	chomp($line);
Line 243 BEGIN {	Line 253 BEGIN {
# -------------------------------------------------------------- default domain designs	# -------------------------------------------------------------- default domain designs
my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';	my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
my $designfile = $designdir.'/default.tab';	my $designfile = $designdir.'/default.tab';
if ( open (my $fh,"<$designfile") ) {	if ( open (my $fh,'<',$designfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line =~ /^\#/);	next if ($line =~ /^\#/);
chomp($line);	chomp($line);
Line 257 BEGIN {	Line 267 BEGIN {
{	{
my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.	my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/filecategories.tab';	'/filecategories.tab';
if ( open (my $fh,"<$categoryfile") ) {	if ( open (my $fh,'<',$categoryfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line =~ /^\#/);	next if ($line =~ /^\#/);
chomp($line);	chomp($line);
my ($extension,$category)=(split(/\s+/,$line,2));	my ($extension,$category)=(split(/\s+/,$line,2));
push @{$category_extensions{lc($category)}},$extension;	push(@{$category_extensions{lc($category)}},$extension);
}	}
close($fh);	close($fh);
}	}
Line 272 BEGIN {	Line 282 BEGIN {
{	{
my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.	my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/filetypes.tab';	'/filetypes.tab';
if ( open (my $fh,"<$typesfile") ) {	if ( open (my $fh,'<',$typesfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line =~ /^\#/);	next if ($line =~ /^\#/);
chomp($line);	chomp($line);
Line 425 sub studentbrowser_javascript {	Line 435 sub studentbrowser_javascript {
<script type="text/javascript" language="Javascript">	<script type="text/javascript" language="Javascript">
// <![CDATA[	// <![CDATA[
var stdeditbrowser;	var stdeditbrowser;
function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadvonly) {	function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadv) {
var url = '/adm/pickstudent?';	var url = '/adm/pickstudent?';
var filter;	var filter;
if (!ignorefilter) {	if (!ignorefilter) {
Line 440 sub studentbrowser_javascript {	Line 450 sub studentbrowser_javascript {
'&udomelement='+udom+	'&udomelement='+udom+
'&clicker='+clicker;	'&clicker='+clicker;
if (roleflag) { url+="&roles=1"; }	if (roleflag) { url+="&roles=1"; }
if (courseadvonly) { url+="&courseadvonly=1"; }	if (courseadv == 'condition') {
	if (document.getElementById('courseadv')) {
	courseadv = document.getElementById('courseadv').value;
	}
	}
	if ((courseadv == 'only') \|\| (courseadv == 'none')) { url+="&courseadv="+courseadv; }
var title = 'Student_Browser';	var title = 'Student_Browser';
var options = 'scrollbars=1,resizable=1,menubar=0';	var options = 'scrollbars=1,resizable=1,menubar=0';
options += ',width=700,height=600';	options += ',width=700,height=600';
Line 472 ENDRESBRW	Line 487 ENDRESBRW
}	}

sub selectstudent_link {	sub selectstudent_link {
my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;	my ($form,$unameele,$udomele,$courseadv,$clickerid)=@_;
my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".	my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
&Apache::lonhtmlcommon::entity_encode($unameele)."','".	&Apache::lonhtmlcommon::entity_encode($unameele)."','".
&Apache::lonhtmlcommon::entity_encode($udomele)."'";	&Apache::lonhtmlcommon::entity_encode($udomele)."'";
Line 483 sub selectstudent_link {	Line 498 sub selectstudent_link {
return '';	return '';
}	}
$callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";	$callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
if ($courseadvonly) {	if ($courseadv eq 'only') {
$callargs .= ",'',1,1";	$callargs .= ",'',1,'$courseadv'";
	} elsif ($courseadv eq 'none') {
	$callargs .= ",'','','$courseadv'";
	} elsif ($courseadv eq 'condition') {
	$callargs .= ",'','','$courseadv'";
}	}
return '<span class="LC_nobreak">'.	return '<span class="LC_nobreak">'.
'<a href="javascript:openstdbrowser('.$callargs.');">'.	'<a href="javascript:openstdbrowser('.$callargs.');">'.
Line 675 if (!Array.prototype.indexOf) {	Line 694 if (!Array.prototype.indexOf) {
var n = 0;	var n = 0;
if (arguments.length > 0) {	if (arguments.length > 0) {
n = Number(arguments[1]);	n = Number(arguments[1]);
if (n !== n) { // shortcut for verifying if it's NaN	if (n !== n) { // shortcut for verifying if it is NaN
n = 0;	n = 0;
} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {	} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
n = (n > 0 \|\| -1) * Math.floor(Math.abs(n));	n = (n > 0 \|\| -1) * Math.floor(Math.abs(n));
Line 876 sub selectcourse_link {	Line 895 sub selectcourse_link {
my $linktext = &mt('Select Course');	my $linktext = &mt('Select Course');
if ($selecttype eq 'Community') {	if ($selecttype eq 'Community') {
$linktext = &mt('Select Community');	$linktext = &mt('Select Community');
	} elsif ($selecttype eq 'Placement') {
	$linktext = &mt('Select Placement Test');
} elsif ($selecttype eq 'Course/Community') {	} elsif ($selecttype eq 'Course/Community') {
$linktext = &mt('Select Course/Community');	$linktext = &mt('Select Course/Community');
$type = '';	$type = '';
Line 911 sub check_uncheck_jscript {	Line 932 sub check_uncheck_jscript {
function checkAll(field) {	function checkAll(field) {
if (field.length > 0) {	if (field.length > 0) {
for (i = 0; i < field.length; i++) {	for (i = 0; i < field.length; i++) {
if (!field[i].disabled) {	if (!field[i].disabled) {
field[i].checked = true;	field[i].checked = true;
}	}
}	}
} else {	} else {
if (!field.disabled) {	if (!field.disabled) {
field.checked = true;	field.checked = true;
}	}
}	}
Line 936 ENDSCRT	Line 957 ENDSCRT
}	}

sub select_timezone {	sub select_timezone {
my ($name,$selected,$onchange,$includeempty)=@_;	my ($name,$selected,$onchange,$includeempty,$disabled)=@_;
my $output='<select name="'.$name.'" '.$onchange.'>'."\n";	my $output='<select name="'.$name.'" '.$onchange.$disabled.'>'."\n";
if ($includeempty) {	if ($includeempty) {
$output .= '<option value=""';	$output .= '<option value=""';
if (($selected eq '') \|\| ($selected eq 'local')) {	if (($selected eq '') \|\| ($selected eq 'local')) {
Line 958 sub select_timezone {	Line 979 sub select_timezone {
}	}

sub select_datelocale {	sub select_datelocale {
my ($name,$selected,$onchange,$includeempty)=@_;	my ($name,$selected,$onchange,$includeempty,$disabled)=@_;
my $output='<select name="'.$name.'" '.$onchange.'>'."\n";	my $output='<select name="'.$name.'" '.$onchange.$disabled.'>'."\n";
if ($includeempty) {	if ($includeempty) {
$output .= '<option value=""';	$output .= '<option value=""';
if ($selected eq '') {	if ($selected eq '') {
Line 992 sub select_datelocale {	Line 1013 sub select_datelocale {
}	}
$locale_names{$id} = Encode::encode('UTF-8',$locale_names{$id});	$locale_names{$id} = Encode::encode('UTF-8',$locale_names{$id});
push(@possibles,$id);	push(@possibles,$id);
}	}
}	}
}	}
foreach my $item (sort(@possibles)) {	foreach my $item (sort(@possibles)) {
Line 1011 sub select_datelocale {	Line 1032 sub select_datelocale {
}	}

sub select_language {	sub select_language {
my ($name,$selected,$includeempty) = @_;	my ($name,$selected,$includeempty,$noedit) = @_;
my %langchoices;	my %langchoices;
if ($includeempty) {	if ($includeempty) {
%langchoices = ('' => 'No language preference');	%langchoices = ('' => 'No language preference');
Line 1023 sub select_language {	Line 1044 sub select_language {
}	}
}	}
%langchoices = &Apache::lonlocal::texthash(%langchoices);	%langchoices = &Apache::lonlocal::texthash(%langchoices);
return &select_form($selected,$name,\%langchoices);	return &select_form($selected,$name,\%langchoices,undef,$noedit);
	}

	=pod


	=item * &list_languages()

	Returns an array reference that is suitable for use in language prompters.
	Each array element is itself a two element array. The first element
	is the language code. The second element a descsriptiuon of the
	language itself. This is suitable for use in e.g.
	&Apache::edit::select_arg (once dereferenced that is).

	=cut

	sub list_languages {
	my @lang_choices;

	foreach my $id (&languageids()) {
	my $code = &supportedlanguagecode($id);
	if ($code) {
	my $selector = $supported_codes{$id};
	my $description = &plainlanguagedescription($id);
	push(@lang_choices, [$selector, $description]);
	}
	}
	return \@lang_choices;
}	}

=pod	=pod
Line 1060 linked_select_forms takes the following	Line 1108 linked_select_forms takes the following
=item * $onchangesecond, additional javascript call to execute for an onchange	=item * $onchangesecond, additional javascript call to execute for an onchange
event for the second <select> tag	event for the second <select> tag

	=item * $suffix, to differentiate separate uses of select2data javascript
	objects in a page.

=back	=back

Below is an example of such a hash. Only the 'text', 'default', and	Below is an example of such a hash. Only the 'text', 'default', and
Line 1114 sub linked_select_forms {	Line 1165 sub linked_select_forms {
$hashref,	$hashref,
$menuorder,	$menuorder,
$onchangefirst,	$onchangefirst,
$onchangesecond	$onchangesecond,
	$suffix
) = @_;	) = @_;
my $second = "document.$formname.$secondselectname";	my $second = "document.$formname.$secondselectname";
my $first = "document.$formname.$firstselectname";	my $first = "document.$formname.$firstselectname";
Line 1122 sub linked_select_forms {	Line 1174 sub linked_select_forms {
my $result = '';	my $result = '';
$result.='<script type="text/javascript" language="JavaScript">'."\n";	$result.='<script type="text/javascript" language="JavaScript">'."\n";
$result.="// <![CDATA[\n";	$result.="// <![CDATA[\n";
$result.="var select2data = new Object();\n";	$result.="var select2data${suffix} = new Object();\n";
$" = '","';	$" = '","';
my $debug = '';	my $debug = '';
foreach my $s1 (sort(keys(%$hashref))) {	foreach my $s1 (sort(keys(%$hashref))) {
$result.="select2data.d_$s1 = new Object();\n";	$result.="select2data${suffix}['d_$s1'] = new Object();\n";
$result.="select2data.d_$s1.def = new String('".	$result.="select2data${suffix}['d_$s1'].def = new String('".
$hashref->{$s1}->{'default'}."');\n";	$hashref->{$s1}->{'default'}."');\n";
$result.="select2data.d_$s1.values = new Array(";	$result.="select2data${suffix}['d_$s1'].values = new Array(";
my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));	my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {	if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
@s2values = @{$hashref->{$s1}->{'order'}};	@s2values = @{$hashref->{$s1}->{'order'}};
}	}
$result.="\"@s2values\");\n";	$result.="\"@s2values\");\n";
$result.="select2data.d_$s1.texts = new Array(";	$result.="select2data${suffix}['d_$s1'].texts = new Array(";
my @s2texts;	my @s2texts;
foreach my $value (@s2values) {	foreach my $value (@s2values) {
push @s2texts, $hashref->{$s1}->{'select2'}->{$value};	push(@s2texts, $hashref->{$s1}->{'select2'}->{$value});
}	}
$result.="\"@s2texts\");\n";	$result.="\"@s2texts\");\n";
}	}
$"=' ';	$"=' ';
$result.= <<"END";	$result.= <<"END";

function select1_changed() {	function select1${suffix}_changed() {
// Determine new choice	// Determine new choice
var newvalue = "d_" + $first.value;	var newvalue = "d_" + $first.options[$first.selectedIndex].value;
// update select2	// update select2
var values = select2data[newvalue].values;	var values = select2data${suffix}[newvalue].values;
var texts = select2data[newvalue].texts;	var texts = select2data${suffix}[newvalue].texts;
var select2def = select2data[newvalue].def;	var select2def = select2data${suffix}[newvalue].def;
var i;	var i;
// out with the old	// out with the old
for (i = 0; i < $second.options.length; i++) {	$second.options.length = 0;
$second.options[i] = null;	// in with the new
}
// in with the nuclear
for (i=0;i<values.length; i++) {	for (i=0;i<values.length; i++) {
$second.options[i] = new Option(values[i]);	$second.options[i] = new Option(values[i]);
$second.options[i].value = values[i];	$second.options[i].value = values[i];
Line 1171 function select1_changed() {	Line 1221 function select1_changed() {
</script>	</script>
END	END
# output the initial values for the selection lists	# output the initial values for the selection lists
$result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed();$onchangefirst\">\n";	$result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1${suffix}_changed();$onchangefirst\">\n";
my @order = sort(keys(%{$hashref}));	my @order = sort(keys(%{$hashref}));
if (ref($menuorder) eq 'ARRAY') {	if (ref($menuorder) eq 'ARRAY') {
@order = @{$menuorder};	@order = @{$menuorder};
Line 1207 END	Line 1257 END

=pod	=pod

=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid)	=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid,$links_target)

Returns a string corresponding to an HTML link to the given help	Returns a string corresponding to an HTML link to the given help
$topic, where $topic corresponds to the name of a .tex file in	$topic, where $topic corresponds to the name of a .tex file in
Line 1231 $imgid is the id of the img tag used for	Line 1281 $imgid is the id of the img tag used for
used in a javascript call to switch the image src. See	used in a javascript call to switch the image src. See
lonhtmlcommon::htmlareaselectactive() for an example.	lonhtmlcommon::htmlareaselectactive() for an example.

	$links_target will optionally be set to a target (_top, _parent or _self).

=cut	=cut

sub help_open_topic {	sub help_open_topic {
my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_;	my ($topic, $text, $stayOnPage, $width, $height, $imgid, $links_target) = @_;
$text = "" if (not defined $text);	$text = "" if (not defined $text);
$stayOnPage = 0 if (not defined $stayOnPage);	$stayOnPage = 0 if (not defined $stayOnPage);
$width = 500 if (not defined $width);	$width = 500 if (not defined $width);
Line 1248 sub help_open_topic {	Line 1300 sub help_open_topic {
$topic=~s/\W/\_/g;	$topic=~s/\W/\_/g;

if (!$stayOnPage) {	if (!$stayOnPage) {
if ($env{'browser.mobile'}) {	$link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');";
$link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');";
} else {
$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
}
} elsif ($stayOnPage eq 'popup') {	} elsif ($stayOnPage eq 'popup') {
$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
} else {	} else {
Line 1260 sub help_open_topic {	Line 1308 sub help_open_topic {
}	}

# Add the text	# Add the text
if ($text ne "") {	my $target = ' target="_top"';
	if ($links_target) {
	$target = ' target="'.$links_target.'"';
	} elsif ((($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) \|\|
	(($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'} eq '_self'))) {
	$target = '';
	}
	if ($text ne "") {
$template.='<span class="LC_help_open_topic">'	$template.='<span class="LC_help_open_topic">'
.'<a target="_top" href="'.$link.'">'	.'<a'.$target.' href="'.$link.'">'
.$text.'</a>';	.$text.'</a>';
}	}

Line 1272 sub help_open_topic {	Line 1327 sub help_open_topic {
if ($imgid ne '') {	if ($imgid ne '') {
$imgid = ' id="'.$imgid.'"';	$imgid = ' id="'.$imgid.'"';
}	}
$template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'	$template.=' <a'.$target.' href="'.$link.'" title="'.$title.'">'
.'<img src="'.$helpicon.'" border="0"'	.'<img src="'.$helpicon.'" border="0"'
.' alt="'.&mt('Help: [_1]',$topic).'"'	.' alt="'.&mt('Help: [_1]',$topic).'"'
.' title="'.$title.'" style="vertical-align:middle;"'.$imgid	.' title="'.$title.'" style="vertical-align:middle;"'.$imgid
Line 1301 sub helpLatexCheatsheet {	Line 1356 sub helpLatexCheatsheet {
.&help_open_topic('Other_Symbols',&mt('Other Symbols'),$stayOnPage,undef,600)	.&help_open_topic('Other_Symbols',&mt('Other Symbols'),$stayOnPage,undef,600)
.'</span>';	.'</span>';
unless ($not_author) {	unless ($not_author) {
$out .= ' <span>'	$out .= '<span>'
.&help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),$stayOnPage,undef,600)	.&help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),$stayOnPage,undef,600)
.'</span> <span>'	.'</span> <span>'
.&help_open_topic('Authoring_Multilingual_Problems',&mt('Languages'),$stayOnPage,undef,600)	.&help_open_topic('Authoring_Multilingual_Problems',&mt('How to create problems in different languages'),$stayOnPage,undef,600)
.'</span>';	.'</span>';
}	}
$out .= '</span>'; # End cheatsheet	$out .= '</span>'; # End cheatsheet
return $out;	return $out;
Line 1345 ENDOUTPUT	Line 1400 ENDOUTPUT

# now just updates the help link and generates a blue icon	# now just updates the help link and generates a blue icon
sub help_open_menu {	sub help_open_menu {
my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)	my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text,$links_target)
= @_;	= @_;
$stayOnPage = 1;	$stayOnPage = 1;
my $output;	my $output;
if ($component_help) {	if ($component_help) {
if (!$text) {	if (!$text) {
$output=&help_open_topic($component_help,undef,$stayOnPage,	$output=&help_open_topic($component_help,undef,$stayOnPage,
$width,$height);	$width,$height,'',$links_target);
} else {	} else {
my $help_text;	my $help_text;
$help_text=&unescape($topic);	$help_text=&unescape($topic);
$output='<table><tr><td>'.	$output='<table><tr><td>'.
&help_open_topic($component_help,$help_text,$stayOnPage,	&help_open_topic($component_help,$help_text,$stayOnPage,
$width,$height).'</td></tr></table>';	$width,$height,'',$links_target).'</td></tr></table>';
}	}
}	}
my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);	my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
Line 1366 sub help_open_menu {	Line 1421 sub help_open_menu {
}	}

sub top_nav_help {	sub top_nav_help {
my ($text) = @_;	my ($text,$linkattr) = @_;
$text = &mt($text);	$text = &mt($text);
my $stay_on_page;	my $stay_on_page = 1;
unless ($env{'environment.remote'} eq 'on') {
$stay_on_page = 1;
}
my ($link,$banner_link);	my ($link,$banner_link);
unless ($env{'request.noversionuri'} =~ m{^/adm/helpmenu}) {	unless ($env{'request.noversionuri'} =~ m{^/adm/helpmenu}) {
$link = ($stay_on_page) ? "javascript:helpMenu('display')"	$link = ($stay_on_page) ? "javascript:helpMenu('display')"
Line 1382 sub top_nav_help {	Line 1435 sub top_nav_help {
if ($link) {	if ($link) {
return <<"END";	return <<"END";
$banner_link	$banner_link
<a href="$link" title="$title">$text</a>	<a href="$link" title="$title" $linkattr>$text</a>
END	END
} else {	} else {
return ' '.$text.' ';	return ' '.$text.' ';
Line 1401 sub help_menu_js {	Line 1454 sub help_menu_js {
&Apache::loncommon::start_page('Help Menu', undef,	&Apache::loncommon::start_page('Help Menu', undef,
{'frameset' => 1,	{'frameset' => 1,
'js_ready' => 1,	'js_ready' => 1,
'use_absolute' => $httphost,	'use_absolute' => $httphost,
'add_entries' => {	'add_entries' => {
'border' => '0',	'border' => '0',
'rows' => "110,*",},});	'rows' => "110,*",},});
my $end_page =	my $end_page =
&Apache::loncommon::end_page({'frameset' => 1,	&Apache::loncommon::end_page({'frameset' => 1,
Line 1467 sub help_open_bug {	Line 1520 sub help_open_bug {
{	{
$link = $url;	$link = $url;
}	}

	my $target = '_top';
	if ((($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) \|\|
	(($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'} eq '_self'))) {
	$target = '_blank';
	}

# Add the text	# Add the text
if ($text ne "")	if ($text ne "")
{	{
$template .=	$template .=
"<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".	"<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
"<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";	"<td bgcolor='#FF5555'><a target=\"$target\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
}	}

# Add the graphic	# Add the graphic
my $title = &mt('Report a Bug');	my $title = &mt('Report a Bug');
my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");	my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
$template .= <<"ENDTEMPLATE";	$template .= <<"ENDTEMPLATE";
<a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>	<a target="$target" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
ENDTEMPLATE	ENDTEMPLATE
if ($text ne '') { $template.='</td></tr></table>' };	if ($text ne '') { $template.='</td></tr></table>' };
return $template;	return $template;
Line 1744 RESIZE	Line 1804 RESIZE

}	}

	sub colorfuleditor_js {
	my $browse_or_search;
	my $respath;
	my ($cnum,$cdom) = &crsauthor_url();
	if ($cnum) {
	$respath = "/res/$cdom/$cnum/";
	my %js_lt = &Apache::lonlocal::texthash(
	sunm => 'Sub-directory name',
	save => 'Save page to make this permanent',
	);
	&js_escape(\%js_lt);
	$browse_or_search = <<"END";

	function toggleChooser(form,element,titleid,only,search) {
	var disp = 'none';
	if (document.getElementById('chooser_'+element)) {
	var curr = document.getElementById('chooser_'+element).style.display;
	if (curr == 'none') {
	disp='inline';
	if (form.elements['chooser_'+element].length) {
	for (var i=0; i<form.elements['chooser_'+element].length; i++) {
	form.elements['chooser_'+element][i].checked = false;
	}
	}
	toggleResImport(form,element);
	}
	document.getElementById('chooser_'+element).style.display = disp;
	}
	}

	function toggleCrsFile(form,element,numdirs) {
	if (document.getElementById('chooser_'+element+'_crsres')) {
	var curr = document.getElementById('chooser_'+element+'_crsres').style.display;
	if (curr == 'none') {
	if (numdirs) {
	form.elements['coursepath_'+element].selectedIndex = 0;
	if (numdirs > 1) {
	window['select1'+element+'_changed']();
	}
	}
	}
	document.getElementById('chooser_'+element+'_crsres').style.display = 'block';

	}
	if (document.getElementById('chooser_'+element+'_upload')) {
	document.getElementById('chooser_'+element+'_upload').style.display = 'none';
	if (document.getElementById('uploadcrsres_'+element)) {
	document.getElementById('uploadcrsres_'+element).value = '';
	}
	}
	return;
	}

	function toggleCrsUpload(form,element,numcrsdirs) {
	if (document.getElementById('chooser_'+element+'_crsres')) {
	document.getElementById('chooser_'+element+'_crsres').style.display = 'none';
	}
	if (document.getElementById('chooser_'+element+'_upload')) {
	var curr = document.getElementById('chooser_'+element+'_upload').style.display;
	if (curr == 'none') {
	if (numcrsdirs) {
	form.elements['crsauthorpath_'+element].selectedIndex = 0;
	form.elements['newsubdir_'+element][0].checked = true;
	toggleNewsubdir(form,element);
	}
	}
	document.getElementById('chooser_'+element+'_upload').style.display = 'block';
	}
	return;
	}

	function toggleResImport(form,element) {
	var choices = new Array('crsres','upload');
	for (var i=0; i<choices.length; i++) {
	if (document.getElementById('chooser_'+element+'_'+choices[i])) {
	document.getElementById('chooser_'+element+'_'+choices[i]).style.display = 'none';
	}
	}
	}

	function toggleNewsubdir(form,element) {
	var newsub = form.elements['newsubdir_'+element];
	if (newsub) {
	if (newsub.length) {
	for (var j=0; j<newsub.length; j++) {
	if (newsub[j].checked) {
	if (document.getElementById('newsubdirname_'+element)) {
	if (newsub[j].value == '1') {
	document.getElementById('newsubdirname_'+element).type = "text";
	if (document.getElementById('newsubdir_'+element)) {
	document.getElementById('newsubdir_'+element).innerHTML = '<br />$js_lt{sunm}';
	}
	} else {
	document.getElementById('newsubdirname_'+element).type = "hidden";
	document.getElementById('newsubdirname_'+element).value = "";
	document.getElementById('newsubdir_'+element).innerHTML = "";
	}
	}
	break;
	}
	}
	}
	}
	}

	function updateCrsFile(form,element) {
	var directory = form.elements['coursepath_'+element];
	var filename = form.elements['coursefile_'+element];
	var path = directory.options[directory.selectedIndex].value;
	var file = filename.options[filename.selectedIndex].value;
	form.elements[element].value = '$respath';
	if (path == '/') {
	form.elements[element].value += file;
	} else {
	form.elements[element].value += path+'/'+file;
	}
	unClean();
	if (document.getElementById('previewimg_'+element)) {
	document.getElementById('previewimg_'+element).src = form.elements[element].value;
	var newsrc = document.getElementById('previewimg_'+element).src;
	}
	if (document.getElementById('showimg_'+element)) {
	document.getElementById('showimg_'+element).innerHTML = '($js_lt{save})';
	}
	toggleChooser(form,element);
	return;
	}

	function uploadDone(suffix,name) {
	if (name) {
	document.forms["lonhomework"].elements[suffix].value = name;
	unClean();
	toggleChooser(document.forms["lonhomework"],suffix);
	}
	}

	\$(document).ready(function(){

	\$(document).delegate('form :submit', 'click', function( event ) {
	if ( \$( this ).hasClass( "LC_uploadcrsres" ) ) {
	var buttonId = this.id;
	var suffix = buttonId.toString();
	suffix = suffix.replace(/^crsupload_/,'');
	event.preventDefault();
	document.lonhomework.target = 'crsupload_target_'+suffix;
	document.lonhomework.action = '/adm/coursepub?LC_uploadcrsres='+suffix;
	\$(this.form).submit();
	document.lonhomework.target = '';
	if (document.getElementById('crsuploadto_'+suffix)) {
	document.lonhomework.action = document.getElementById('crsuploadto_'+suffix).value;
	}
	return false;
	}
	});
	});
	END
	}
	return <<"COLORFULEDIT"
	<script type="text/javascript">
	// <![CDATA[>
	function fold_box(curDepth, lastresource){

	// we need a list because there can be several blocks you need to fold in one tag
	var block = document.getElementsByName('foldblock_'+curDepth);
	// but there is only one folding button per tag
	var foldbutton = document.getElementById('folding_btn_'+curDepth);

	if(block.item(0).style.display == 'none'){

	foldbutton.value = '@{[&mt("Hide")]}';
	for (i = 0; i < block.length; i++){
	block.item(i).style.display = '';
	}
	}else{

	foldbutton.value = '@{[&mt("Show")]}';
	for (i = 0; i < block.length; i++){
	// block.item(i).style.visibility = 'collapse';
	block.item(i).style.display = 'none';
	}
	};
	saveState(lastresource);
	}

	function saveState (lastresource) {

	var tag_list = getTagList();
	if(tag_list != null){
	var timestamp = new Date().getTime();
	var key = lastresource;

	// the value pattern is: 'time;key1,value1;key2,value2; ... '
	// starting with timestamp
	var value = timestamp+';';

	// building the list of key-value pairs
	for(var i = 0; i < tag_list.length; i++){
	value += tag_list[i]+',';
	value += document.getElementsByName(tag_list[i])[0].style.display+';';
	}

	// only iterate whole storage if nothing to override
	if(localStorage.getItem(key) == null){

	// prevent storage from growing large
	if(localStorage.length > 50){
	var regex_getTimestamp = /^(?:\d)+;/;
	var oldest_timestamp = regex_getTimestamp.exec(localStorage.key(0));
	var oldest_key;

	for(var i = 1; i < localStorage.length; i++){
	if (regex_getTimestamp.exec(localStorage.key(i)) < oldest_timestamp) {
	oldest_key = localStorage.key(i);
	oldest_timestamp = regex_getTimestamp.exec(oldest_key);
	}
	}
	localStorage.removeItem(oldest_key);
	}
	}
	localStorage.setItem(key,value);
	}
	}

	// restore folding status of blocks (on page load)
	function restoreState (lastresource) {
	if(localStorage.getItem(lastresource) != null){
	var key = lastresource;
	var value = localStorage.getItem(key);
	var regex_delTimestamp = /^\d+;/;

	value.replace(regex_delTimestamp, '');

	var valueArr = value.split(';');
	var pairs;
	var elements;
	for (var i = 0; i < valueArr.length; i++){
	pairs = valueArr[i].split(',');
	elements = document.getElementsByName(pairs[0]);

	for (var j = 0; j < elements.length; j++){
	elements[j].style.display = pairs[1];
	if (pairs[1] == "none"){
	var regex_id = /([_\\d]+)\$/;
	regex_id.exec(pairs[0]);
	document.getElementById("folding_btn"+RegExp.\$1).value = "Show";
	}
	}
	}
	}
	}

	function getTagList () {

	var stringToSearch = document.lonhomework.innerHTML;

	var ret = new Array();
	var regex_findBlock = /(foldblock_.*?)"/g;
	var tag_list = stringToSearch.match(regex_findBlock);

	if(tag_list != null){
	for(var i = 0; i < tag_list.length; i++){
	ret.push(tag_list[i].replace(/"/, ''));
	}
	}
	return ret;
	}

	function saveScrollPosition (resource) {
	var tag_list = getTagList();

	// we dont always want to jump to the first block
	// 170 is roughly above the "Problem Editing" header. we just want to save if the user scrolled down further than this
	if(\$(window).scrollTop() > 170){
	if(tag_list != null){
	var result;
	for(var i = 0; i < tag_list.length; i++){
	if(isElementInViewport(tag_list[i])){
	result += tag_list[i]+';';
	}
	}
	sessionStorage.setItem('anchor_'+resource, result);
	}
	} else {
	// we dont need to save zero, just delete the item to leave everything tidy
	sessionStorage.removeItem('anchor_'+resource);
	}
	}

	function restoreScrollPosition(resource){

	var elem = sessionStorage.getItem('anchor_'+resource);
	if(elem != null){
	var tag_list = elem.split(';');
	var elem_list;

	for(var i = 0; i < tag_list.length; i++){
	elem_list = document.getElementsByName(tag_list[i]);

	if(elem_list.length > 0){
	elem = elem_list[0];
	break;
	}
	}
	elem.scrollIntoView();
	}
	}

	function isElementInViewport(el) {

	// change to last element instead of first
	var elem = document.getElementsByName(el);
	var rect = elem[0].getBoundingClientRect();

	return (
	rect.top >= 0 &&
	rect.left >= 0 &&
	rect.bottom <= (window.innerHeight \|\| document.documentElement.clientHeight) && /or $(window).height() /
	rect.right <= (window.innerWidth \|\| document.documentElement.clientWidth) /or $(window).width() /
	);
	}

	function autosize(depth){
	var cmInst = window['cm'+depth];
	var fitsizeButton = document.getElementById('fitsize'+depth);

	// is fixed size, switching to dynamic
	if (sessionStorage.getItem("autosized_"+depth) == null) {
	cmInst.setSize("","auto");
	fitsizeButton.value = "@{[&mt('Fixed size')]}";
	sessionStorage.setItem("autosized_"+depth, "yes");

	// is dynamic size, switching to fixed
	} else {
	cmInst.setSize("","300px");
	fitsizeButton.value = "@{[&mt('Dynamic size')]}";
	sessionStorage.removeItem("autosized_"+depth);
	}
	}

	$browse_or_search

	// ]]>
	</script>
	COLORFULEDIT
	}

	sub xmleditor_js {
	return <<XMLEDIT
	<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
	<script type="text/javascript">
	// <![CDATA[>

	function saveScrollPosition (resource) {

	var scrollPos = \$(window).scrollTop();
	sessionStorage.setItem(resource,scrollPos);
	}

	function restoreScrollPosition(resource){

	var scrollPos = sessionStorage.getItem(resource);
	\$(window).scrollTop(scrollPos);
	}

	// unless internet explorer
	if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode \|\| document.compatMode))){

	\$(document).ready(function() {
	\$(".LC_edit_actionbar").scrollToFixed(\{zIndex: 100\});
	});
	}

	// inserts text at cursor position into codemirror (xml editor only)
	function insertText(text){
	cm.focus();
	var curPos = cm.getCursor();
	cm.replaceRange(text.replace(/ESCAPEDSCRIPT/g,'script'), {line: curPos.line,ch: curPos.ch});
	}
	// ]]>
	</script>
	XMLEDIT
	}

	sub insert_folding_button {
	my $curDepth = $Apache::lonxml::curdepth;
	my $lastresource = $env{'request.ambiguous'};

	return "<input type=\"button\" id=\"folding_btn_$curDepth\"
	value=\"".&mt('Hide')."\" onclick=\"fold_box('$curDepth','$lastresource')\">";
	}

	sub crsauthor_url {
	my ($url) = @_;
	if ($url eq '') {
	$url = $ENV{'REQUEST_URI'};
	}
	my ($cnum,$cdom);
	if ($env{'request.course.id'}) {
	my ($audom,$auname) = ($url =~ m{^/priv/($match_domain)/($match_name)/});
	if ($audom ne '' && $auname ne '') {
	if (($env{'course.'.$env{'request.course.id'}.'.num'} eq $auname) &&
	($env{'course.'.$env{'request.course.id'}.'.domain'} eq $audom)) {
	$cnum = $auname;
	$cdom = $audom;
	}
	}
	}
	return ($cnum,$cdom);
	}

	sub import_crsauthor_form {
	my ($form,$firstselectname,$secondselectname,$onchangefirst,$only,$suffix,$disabled) = @_;
	return (0) unless ($env{'request.course.id'});
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $crshome = $env{'course.'.$env{'request.course.id'}.'.home'};
	return (0) unless (($cnum ne '') && ($cdom ne ''));
	my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
	my @ids=&Apache::lonnet::current_machine_ids();
	my ($output,$is_home,$relpath,%subdirs,%files,%selimport_menus);

	if (grep(/^\Q$crshome\E$/,@ids)) {
	$is_home = 1;
	}
	$relpath = "/priv/$cdom/$cnum";
	&Apache::lonnet::recursedirs($is_home,'priv',$londocroot,$relpath,'',\%subdirs,\%files);
	my %lt = &Apache::lonlocal::texthash (
	fnam => 'Filename',
	dire => 'Directory',
	);
	my $numdirs = scalar(keys(%files));
	my (%possexts,$singledir,@singledirfiles);
	if ($only) {
	map { $possexts{$_} = 1; } split(/\s,\s/,$only);
	}
	my (%nonemptydirs,$possdirs);
	if ($numdirs > 1) {
	my @order;
	foreach my $key (sort { lc($a) cmp lc($b) } (keys(%files))) {
	if (ref($files{$key}) eq 'HASH') {
	my $shown = $key;
	if ($key eq '') {
	$shown = '/';
	}
	my @ordered = ();
	foreach my $file (sort { lc($a) cmp lc($b) } (keys(%{$files{$key}}))) {
	next if ($file =~ /\.rights$/);
	if ($only) {
	my ($ext) = ($file =~ /\.([^.]+)$/);
	unless ($possexts{lc($ext)}) {
	next;
	}
	}
	$selimport_menus{$key}->{'select2'}->{$file} = $file;
	push(@ordered,$file);
	}
	if (@ordered) {
	push(@order,$key);
	$nonemptydirs{$key} = 1;
	$selimport_menus{$key}->{'text'} = $shown;
	$selimport_menus{$key}->{'default'} = '';
	$selimport_menus{$key}->{'select2'}->{''} = '';
	$selimport_menus{$key}->{'order'} = \@ordered;
	}
	}
	}
	$possdirs = scalar(keys(%nonemptydirs));
	if ($possdirs > 1) {
	my @order = sort { lc($a) cmp lc($b) } (keys(%nonemptydirs));
	$output = $lt{'dire'}.
	&linked_select_forms($form,'<br />'.
	$lt{'fnam'},'',
	$firstselectname,$secondselectname,
	\%selimport_menus,\@order,
	$onchangefirst,'',$suffix).'<br />';
	} elsif ($possdirs == 1) {
	$singledir = (keys(%nonemptydirs))[0];
	if (ref($selimport_menus{$singledir}->{'order'}) eq 'ARRAY') {
	@singledirfiles = @{$selimport_menus{$singledir}->{'order'}};
	}
	delete($selimport_menus{$singledir});
	}
	} elsif ($numdirs == 1) {
	$singledir = (keys(%files))[0];
	foreach my $file (sort { lc($a) cmp lc($b) } (keys(%{$files{$singledir}}))) {
	if ($only) {
	my ($ext) = ($file =~ /\.([^.]+)$/);
	unless ($possexts{lc($ext)}) {
	next;
	}
	} else {
	next if ($file =~ /\.rights$/);
	}
	push(@singledirfiles,$file);
	}
	if (@singledirfiles) {
	$possdirs = 1;
	}
	}
	if (($possdirs == 1) && (@singledirfiles)) {
	my $showdir = $singledir;
	if ($singledir eq '') {
	$showdir = '/';
	}
	$output = $lt{'dire'}.
	'<select name="'.$firstselectname.'">'.
	'<option value="'.$singledir.'">'.$showdir.'</option>'."\n".
	'</select><br />'.
	$lt{'fnam'}.'<select name="'.$secondselectname.'">'."\n".
	'<option value="" selected="selected">'.$lt{'se'}.'</option>'."\n";
	foreach my $file (@singledirfiles) {
	$output .= '<option value="'.$file.'">'.$file.'</option>'."\n";
	}
	$output .= '</select><br />'."\n";
	}
	return ($possdirs,$output);
	}

=pod	=pod

=head1 Excel and CSV file utility routines	=head1 Excel and CSV file utility routines
Line 1931 sub create_text_file {	Line 2509 sub create_text_file {
# ------------------------------------------	# ------------------------------------------

sub domain_select {	sub domain_select {
my ($name,$value,$multiple)=@_;	my ($name,$value,$multiple,$incdoms,$excdoms)=@_;
	my @possdoms;
	if (ref($incdoms) eq 'ARRAY') {
	@possdoms = @{$incdoms};
	} else {
	@possdoms = &Apache::lonnet::all_domains();
	}

my %domains=map {	my %domains=map {
$_ => $_.' '. &Apache::lonnet::domain($_,'description')	$_ => $_.' '. &Apache::lonnet::domain($_,'description')
} &Apache::lonnet::all_domains();	} @possdoms;

	if ((ref($excdoms) eq 'ARRAY') && (@{$excdoms} > 0)) {
	foreach my $dom (@{$excdoms}) {
	delete($domains{$dom});
	}
	}

if ($multiple) {	if ($multiple) {
$domains{''}=&mt('Any domain');	$domains{''}=&mt('Any domain');
$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
Line 2003 sub multiple_select_form {	Line 2595 sub multiple_select_form {

=pod	=pod

=item * &select_form($defdom,$name,$hashref,$onchange)	=item * &select_form($defdom,$name,$hashref,$onchange,$readonly)

Returns a string containing a <select name='$name' size='1'> form to	Returns a string containing a <select name='$name' size='1'> form to
allow a user to select options from a ref to a hash containing:	allow a user to select options from a ref to a hash containing:
option_name => displayed text. An optional $onchange can include	option_name => displayed text. An optional $onchange can include
a javascript onchange item, e.g., onchange="this.form.submit();"	a javascript onchange item, e.g., onchange="this.form.submit();".
	An optional arg -- $readonly -- if true will cause the select form
	to be disabled, e.g., for the case where an instructor has a section-
	specific role, and is viewing/modifying parameters.

See lonrights.pm for an example invocation and use.	See lonrights.pm for an example invocation and use.

Line 2016 See lonrights.pm for an example invocati	Line 2611 See lonrights.pm for an example invocati

#-------------------------------------------	#-------------------------------------------
sub select_form {	sub select_form {
my ($def,$name,$hashref,$onchange) = @_;	my ($def,$name,$hashref,$onchange,$readonly) = @_;
return unless (ref($hashref) eq 'HASH');	return unless (ref($hashref) eq 'HASH');
if ($onchange) {	if ($onchange) {
$onchange = ' onchange="'.$onchange.'"';	$onchange = ' onchange="'.$onchange.'"';
}	}
my $selectform = "<select name=\"$name\" size=\"1\"$onchange>\n";	my $disabled;
	if ($readonly) {
	$disabled = ' disabled="disabled"';
	}
	my $selectform = "<select name=\"$name\" size=\"1\"$onchange$disabled>\n";
my @keys;	my @keys;
if (exists($hashref->{'select_form_order'})) {	if (exists($hashref->{'select_form_order'})) {
@keys=@{$hashref->{'select_form_order'}};	@keys=@{$hashref->{'select_form_order'}};
Line 2190 sub select_level_form {	Line 2789 sub select_level_form {

=pod	=pod

=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms)	=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms,$disabled)

Returns a string containing a <select name='$name' size='1'> form to	Returns a string containing a <select name='$name' size='1'> form to
allow a user to select the domain to preform an operation in.	allow a user to select the domain to preform an operation in.
Line 2205 The optional $onchange argument specifie	Line 2804 The optional $onchange argument specifie

The optional $incdoms is a reference to an array of domains which will be the only available options.	The optional $incdoms is a reference to an array of domains which will be the only available options.

The optional $excdoms is a reference to an array of domains which will be excluded from the available options.	The optional $excdoms is a reference to an array of domains which will be excluded from the available options.

	The optional $disabled argument, if true, adds the disabled attribute to the select tag.

=cut	=cut

#-------------------------------------------	#-------------------------------------------
sub select_dom_form {	sub select_dom_form {
my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms) = @_;	my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms,$disabled) = @_;
if ($onchange) {	if ($onchange) {
$onchange = ' onchange="'.$onchange.'"';	$onchange = ' onchange="'.$onchange.'"';
}	}
	if ($disabled) {
	$disabled = ' disabled="disabled"';
	}
my (@domains,%exclude);	my (@domains,%exclude);
if (ref($incdoms) eq 'ARRAY') {	if (ref($incdoms) eq 'ARRAY') {
@domains = sort {lc($a) cmp lc($b)} (@{$incdoms});	@domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
Line 2223 sub select_dom_form {	Line 2827 sub select_dom_form {
}	}
if ($includeempty) { @domains=('',@domains); }	if ($includeempty) { @domains=('',@domains); }
if (ref($excdoms) eq 'ARRAY') {	if (ref($excdoms) eq 'ARRAY') {
map { $exclude{$_} = 1; } @{$excdoms};	map { $exclude{$_} = 1; } @{$excdoms};
}	}
my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";	my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange$disabled>\n";
foreach my $dom (@domains) {	foreach my $dom (@domains) {
next if ($exclude{$dom});	next if ($exclude{$dom});
$selectdomain.="<option value=\"$dom\" ".	$selectdomain.="<option value=\"$dom\" ".
Line 2451 This is not an optimal method, but it wo	Line 3055 This is not an optimal method, but it wo

=item * authform_filesystem	=item * authform_filesystem

	=item * authform_lti

=back	=back

See loncreateuser.pm for invocation and use examples.	See loncreateuser.pm for invocation and use examples.
Line 2579 sub authform_nochange {	Line 3185 sub authform_nochange {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
my $result;	my $result;
if (!$authnum) {	if (!$authnum) {
$result = &mt('Under your current role you are not permitted to change login settings for this user');	$result = &mt('Under your current role you are not permitted to change login settings for this user');
Line 2601 sub authform_kerberos {	Line 3207 sub authform_kerberos {
@_,	@_,
);	);
my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,	my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
$autharg,$jscall);	$autharg,$jscall,$disabled);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
if ($in{'kerb_def_auth'} eq 'krb5') {	if ($in{'kerb_def_auth'} eq 'krb5') {
$check5 = ' checked="checked"';	$check5 = ' checked="checked"';
} else {	} else {
$check4 = ' checked="checked"';	$check4 = ' checked="checked"';
}	}
	if ($in{'readonly'}) {
	$disabled = ' disabled="disabled"';
	}
$krbarg = $in{'kerb_def_dom'};	$krbarg = $in{'kerb_def_dom'};
if (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'krb') {	if ($in{'curr_authtype'} eq 'krb') {
Line 2652 sub authform_kerberos {	Line 3261 sub authform_kerberos {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="krb" />';	$authtype = '<input type="radio" name="login" value="krb"'.$disabled.' />';
}	}
}	}
}	}
Line 2661 sub authform_kerberos {	Line 3270 sub authform_kerberos {
if ($authtype eq '') {	if ($authtype eq '') {
$authtype = '<input type="radio" name="login" value="krb" '.	$authtype = '<input type="radio" name="login" value="krb" '.
'onclick="'.$jscall.'" onchange="'.$jscall.'"'.	'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
$krbcheck.' />';	$krbcheck.$disabled.' />';
}	}
if (($can_assign{'krb4'} && $can_assign{'krb5'}) \|\|	if (($can_assign{'krb4'} && $can_assign{'krb5'}) \|\|
($can_assign{'krb4'} && !$can_assign{'krb5'} &&	($can_assign{'krb4'} && !$can_assign{'krb5'} &&
Line 2674 sub authform_kerberos {	Line 3283 sub authform_kerberos {
'<label>'.$authtype,	'<label>'.$authtype,
'</label><input type="text" size="10" name="krbarg" '.	'</label><input type="text" size="10" name="krbarg" '.
'value="'.$krbarg.'" '.	'value="'.$krbarg.'" '.
'onchange="'.$jscall.'" />',	'onchange="'.$jscall.'"'.$disabled.' />',
'<label><input type="radio" name="krbver" value="4" '.$check4.' />',	'<label><input type="radio" name="krbver" value="4" '.$check4.$disabled.' />',
'</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',	'</label><label><input type="radio" name="krbver" value="5" '.$check5.$disabled.' />',
'</label>');	'</label>');
} elsif ($can_assign{'krb4'}) {	} elsif ($can_assign{'krb4'}) {
$result .= &mt	$result .= &mt
Line 2685 sub authform_kerberos {	Line 3294 sub authform_kerberos {
'<label>'.$authtype,	'<label>'.$authtype,
'</label><input type="text" size="10" name="krbarg" '.	'</label><input type="text" size="10" name="krbarg" '.
'value="'.$krbarg.'" '.	'value="'.$krbarg.'" '.
'onchange="'.$jscall.'" />',	'onchange="'.$jscall.'"'.$disabled.' />',
'<label><input type="hidden" name="krbver" value="4" />',	'<label><input type="hidden" name="krbver" value="4" />',
'</label>');	'</label>');
} elsif ($can_assign{'krb5'}) {	} elsif ($can_assign{'krb5'}) {
Line 2695 sub authform_kerberos {	Line 3304 sub authform_kerberos {
'<label>'.$authtype,	'<label>'.$authtype,
'</label><input type="text" size="10" name="krbarg" '.	'</label><input type="text" size="10" name="krbarg" '.
'value="'.$krbarg.'" '.	'value="'.$krbarg.'" '.
'onchange="'.$jscall.'" />',	'onchange="'.$jscall.'"'.$disabled.' />',
'<label><input type="hidden" name="krbver" value="5" />',	'<label><input type="hidden" name="krbver" value="5" />',
'</label>');	'</label>');
}	}
Line 2708 sub authform_internal {	Line 3317 sub authform_internal {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);	my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall,$disabled);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
	if ($in{'readonly'}) {
	$disabled = ' disabled="disabled"';
	}
if (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'int') {	if ($in{'curr_authtype'} eq 'int') {
if ($can_assign{'int'}) {	if ($can_assign{'int'}) {
Line 2738 sub authform_internal {	Line 3350 sub authform_internal {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="int" />';	$authtype = '<input type="radio" name="login" value="int"'.$disabled.' />';
}	}
}	}
}	}
Line 2746 sub authform_internal {	Line 3358 sub authform_internal {
$jscall = "javascript:changed_radio('int',$in{'formname'});";	$jscall = "javascript:changed_radio('int',$in{'formname'});";
if ($authtype eq '') {	if ($authtype eq '') {
$authtype = '<input type="radio" name="login" value="int" '.$intcheck.	$authtype = '<input type="radio" name="login" value="int" '.$intcheck.
' onchange="'.$jscall.'" onclick="'.$jscall.'" />';	' onchange="'.$jscall.'" onclick="'.$jscall.'"'.$disabled.' />';
}	}
$autharg = '<input type="password" size="10" name="intarg" value="'.	$autharg = '<input type="password" size="10" name="intarg" value="'.
$intarg.'" onchange="'.$jscall.'" />';	$intarg.'" onchange="'.$jscall.'"'.$disabled.' />';
$result = &mt	$result = &mt
('[_1] Internally authenticated (with initial password [_2])',	('[_1] Internally authenticated (with initial password [_2])',
'<label>'.$authtype,'</label>'.$autharg);	'<label>'.$authtype,'</label>'.$autharg);
$result.="<label><input type=\"checkbox\" name=\"visible\" onclick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';	$result.='<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.intarg.type='."'text'".' } else { this.form.intarg.type='."'password'".' }"'.$disabled.' />'.&mt('Visible input').'</label>';
return $result;	return $result;
}	}

Line 2763 sub authform_local {	Line 3375 sub authform_local {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);	my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall,$disabled);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
	if ($in{'readonly'}) {
	$disabled = ' disabled="disabled"';
	}
if (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'loc') {	if ($in{'curr_authtype'} eq 'loc') {
if ($can_assign{'loc'}) {	if ($can_assign{'loc'}) {
Line 2793 sub authform_local {	Line 3408 sub authform_local {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="loc" />';	$authtype = '<input type="radio" name="login" value="loc"'.$disabled.' />';
}	}
}	}
}	}
Line 2802 sub authform_local {	Line 3417 sub authform_local {
if ($authtype eq '') {	if ($authtype eq '') {
$authtype = '<input type="radio" name="login" value="loc" '.	$authtype = '<input type="radio" name="login" value="loc" '.
$loccheck.' onchange="'.$jscall.'" onclick="'.	$loccheck.' onchange="'.$jscall.'" onclick="'.
$jscall.'" />';	$jscall.'"'.$disabled.' />';
}	}
$autharg = '<input type="text" size="10" name="locarg" value="'.	$autharg = '<input type="text" size="10" name="locarg" value="'.
$locarg.'" onchange="'.$jscall.'" />';	$locarg.'" onchange="'.$jscall.'"'.$disabled.' />';
$result = &mt('[_1] Local Authentication with argument [_2]',	$result = &mt('[_1] Local Authentication with argument [_2]',
'<label>'.$authtype,'</label>'.$autharg);	'<label>'.$authtype,'</label>'.$autharg);
return $result;	return $result;
Line 2817 sub authform_filesystem {	Line 3432 sub authform_filesystem {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($fsyscheck,$result,$authtype,$autharg,$jscall);	my ($fsyscheck,$result,$authtype,$autharg,$jscall,$disabled);
my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
	if ($in{'readonly'}) {
	$disabled = ' disabled="disabled"';
	}
if (defined($in{'curr_authtype'})) {	if (defined($in{'curr_authtype'})) {
if ($in{'curr_authtype'} eq 'fsys') {	if ($in{'curr_authtype'} eq 'fsys') {
if ($can_assign{'fsys'}) {	if ($can_assign{'fsys'}) {
Line 2831 sub authform_filesystem {	Line 3449 sub authform_filesystem {
} else {	} else {
$result = &mt('Currently Filesystem Authenticated.');	$result = &mt('Currently Filesystem Authenticated.');
return $result;	return $result;
}	}
}	}
} else {	} else {
if ($authnum == 1) {	if ($authnum == 1) {
Line 2844 sub authform_filesystem {	Line 3462 sub authform_filesystem {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="fsys" />';	$authtype = '<input type="radio" name="login" value="fsys"'.$disabled.' />';
}	}
}	}
}	}
Line 2853 sub authform_filesystem {	Line 3471 sub authform_filesystem {
if ($authtype eq '') {	if ($authtype eq '') {
$authtype = '<input type="radio" name="login" value="fsys" '.	$authtype = '<input type="radio" name="login" value="fsys" '.
$fsyscheck.' onchange="'.$jscall.'" onclick="'.	$fsyscheck.' onchange="'.$jscall.'" onclick="'.
$jscall.'" />';	$jscall.'"'.$disabled.' />';
}	}
$autharg = '<input type="text" size="10" name="fsysarg" value=""'.	$autharg = '<input type="password" size="10" name="fsysarg" value=""'.
' onchange="'.$jscall.'" />';	' onchange="'.$jscall.'"'.$disabled.' />';
$result = &mt	$result = &mt
('[_1] Filesystem Authenticated (with initial password [_2])',	('[_1] Filesystem Authenticated (with initial password [_2])',
'<label><input type="radio" name="login" value="fsys" '.	'<label>'.$authtype,'</label>'.$autharg);
$fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',	return $result;
'</label><input type="password" size="10" name="fsysarg" value="" '.	}
'onchange="'.$jscall.'" />');
	sub authform_lti {
	my %in = (
	formname => 'document.cu',
	kerb_def_dom => 'MSU.EDU',
	@_,
	);
	my ($lticheck,$result,$authtype,$autharg,$jscall,$disabled);
	my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
	if ($in{'readonly'}) {
	$disabled = ' disabled="disabled"';
	}
	if (defined($in{'curr_authtype'})) {
	if ($in{'curr_authtype'} eq 'lti') {
	if ($can_assign{'lti'}) {
	$lticheck = 'checked="checked" ';
	if (defined($in{'mode'})) {
	if ($in{'mode'} eq 'modifyuser') {
	$lticheck = '';
	}
	}
	} else {
	$result = &mt('Currently LTI Authenticated.');
	return $result;
	}
	}
	} else {
	if ($authnum == 1) {
	$authtype = '<input type="hidden" name="login" value="lti" />';
	}
	}
	if (!$can_assign{'lti'}) {
	return;
	} elsif ($authtype eq '') {
	if (defined($in{'mode'})) {
	if ($in{'mode'} eq 'modifycourse') {
	if ($authnum == 1) {
	$authtype = '<input type="radio" name="login" value="lti"'.$disabled.' />';
	}
	}
	}
	}
	$jscall = "javascript:changed_radio('lti',$in{'formname'});";
	if (($authtype eq '') && (($in{'mode'} eq 'modifycourse') \|\| ($in{'curr_authtype'} ne 'lti'))) {
	$authtype = '<input type="radio" name="login" value="lti" '.
	$lticheck.' onchange="'.$jscall.'" onclick="'.
	$jscall.'"'.$disabled.' />';
	}
	$autharg = '<input type="hidden" name="ltiarg" value="" />';
	if ($authtype) {
	$result = &mt('[_1] LTI Authenticated',
	'<label>'.$authtype.'</label>'.$autharg);
	} else {
	$result = '<b>'.&mt('LTI Authenticated').'</b>'.
	$autharg;
	}
return $result;	return $result;
}	}

Line 2876 sub get_assignable_auth {	Line 3549 sub get_assignable_auth {
krb5 => 1,	krb5 => 1,
int => 1,	int => 1,
loc => 1,	loc => 1,
	lti => 1,
);	);
my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);	my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
if (ref($domconfig{'usercreation'}) eq 'HASH') {	if (ref($domconfig{'usercreation'}) eq 'HASH') {
Line 2884 sub get_assignable_auth {	Line 3558 sub get_assignable_auth {
my $context;	my $context;
if ($env{'request.role'} =~ /^au/) {	if ($env{'request.role'} =~ /^au/) {
$context = 'author';	$context = 'author';
} elsif ($env{'request.role'} =~ /^dc/) {	} elsif ($env{'request.role'} =~ /^(dc\|dh)/) {
$context = 'domain';	$context = 'domain';
} elsif ($env{'request.course.id'}) {	} elsif ($env{'request.course.id'}) {
$context = 'course';	$context = 'course';
Line 2908 sub get_assignable_auth {	Line 3582 sub get_assignable_auth {
return ($authnum,%can_assign);	return ($authnum,%can_assign);
}	}

	sub check_passwd_rules {
	my ($domain,$plainpass) = @_;
	my %passwdconf = &Apache::lonnet::get_passwdconf($domain);
	my ($min,$max,@chars,@brokerule,$warning);
	$min = $Apache::lonnet::passwdmin;
	if (ref($passwdconf{'chars'}) eq 'ARRAY') {
	if ($passwdconf{'min'} =~ /^\d+$/) {
	if ($passwdconf{'min'} > $min) {
	$min = $passwdconf{'min'};
	}
	}
	if ($passwdconf{'max'} =~ /^\d+$/) {
	$max = $passwdconf{'max'};
	}
	@chars = @{$passwdconf{'chars'}};
	}
	if (($min) && (length($plainpass) < $min)) {
	push(@brokerule,'min');
	}
	if (($max) && (length($plainpass) > $max)) {
	push(@brokerule,'max');
	}
	if (@chars) {
	my %rules;
	map { $rules{$_} = 1; } @chars;
	if ($rules{'uc'}) {
	unless ($plainpass =~ /[A-Z]/) {
	push(@brokerule,'uc');
	}
	}
	if ($rules{'lc'}) {
	unless ($plainpass =~ /[a-z]/) {
	push(@brokerule,'lc');
	}
	}
	if ($rules{'num'}) {
	unless ($plainpass =~ /\d/) {
	push(@brokerule,'num');
	}
	}
	if ($rules{'spec'}) {
	unless ($plainpass =~ /[!"#$%&'()*+,\-.\/:;<=>?@[\\\]^_`{\|}~]/) {
	push(@brokerule,'spec');
	}
	}
	}
	if (@brokerule) {
	my %rulenames = &Apache::lonlocal::texthash(
	uc => 'At least one upper case letter',
	lc => 'At least one lower case letter',
	num => 'At least one number',
	spec => 'At least one non-alphanumeric',
	);
	$rulenames{'uc'} .= ': ABCDEFGHIJKLMNOPQRSTUVWXYZ';
	$rulenames{'lc'} .= ': abcdefghijklmnopqrstuvwxyz';
	$rulenames{'num'} .= ': 0123456789';
	$rulenames{'spec'} .= ': !"\#$%&\'()*+,-./:;<=>?@[\]^_\`{\|}~';
	$rulenames{'min'} = &mt('Minimum password length: [_1]',$min);
	$rulenames{'max'} = &mt('Maximum password length: [_1]',$max);
	$warning = &mt('Password did not satisfy the following:').'<ul>';
	foreach my $rule ('min','max','uc','lc','num','spec') {
	if (grep(/^$rule$/,@brokerule)) {
	$warning .= '<li>'.$rulenames{$rule}.'</li>';
	}
	}
	$warning .= '</ul>';
	}
	if (wantarray) {
	return @brokerule;
	}
	return $warning;
	}

	sub passwd_validation_js {
	my ($currpasswdval,$domain,$context,$id) = @_;
	my (%passwdconf,$alertmsg);
	if ($context eq 'linkprot') {
	my %domconfig = &Apache::lonnet::get_dom('configuration',['ltisec'],$domain);
	if (ref($domconfig{'ltisec'}) eq 'HASH') {
	if (ref($domconfig{'ltisec'}{'rules'}) eq 'HASH') {
	%passwdconf = %{$domconfig{'ltisec'}{'rules'}};
	}
	}
	if ($id eq 'add') {
	$alertmsg = &mt('Secret for added launcher did not satisfy requirement(s):').'\n\n';
	} elsif ($id =~ /^\d+$/) {
	my $pos = $id+1;
	$alertmsg = &mt('Secret for launcher [_1] did not satisfy requirement(s):','#'.$pos).'\n\n';
	} else {
	$alertmsg = &mt('A secret did not satisfy requirement(s):').'\n\n';
	}
	} else {
	%passwdconf = &Apache::lonnet::get_passwdconf($domain);
	$alertmsg = &mt('Initial password did not satisfy requirement(s):').'\n\n';
	}
	my ($min,$max,@chars,$numrules,$intargjs,%alert);
	$numrules = 0;
	$min = $Apache::lonnet::passwdmin;
	if (ref($passwdconf{'chars'}) eq 'ARRAY') {
	if ($passwdconf{'min'} =~ /^\d+$/) {
	if ($passwdconf{'min'} > $min) {
	$min = $passwdconf{'min'};
	}
	}
	if ($passwdconf{'max'} =~ /^\d+$/) {
	$max = $passwdconf{'max'};
	$numrules ++;
	}
	@chars = @{$passwdconf{'chars'}};
	if (@chars) {
	$numrules ++;
	}
	}
	if ($min > 0) {
	$numrules ++;
	}
	if (($min > 0) \|\| ($max ne '') \|\| (@chars > 0)) {
	if ($min) {
	$alert{'min'} = &mt('minimum [quant,_1,character]',$min).'\n';
	}
	if ($max) {
	$alert{'max'} = &mt('maximum [quant,_1,character]',$max).'\n';
	}
	my (@charalerts,@charrules);
	if (@chars) {
	if (grep(/^uc$/,@chars)) {
	push(@charalerts,&mt('contain at least one upper case letter'));
	push(@charrules,'uc');
	}
	if (grep(/^lc$/,@chars)) {
	push(@charalerts,&mt('contain at least one lower case letter'));
	push(@charrules,'lc');
	}
	if (grep(/^num$/,@chars)) {
	push(@charalerts,&mt('contain at least one number'));
	push(@charrules,'num');
	}
	if (grep(/^spec$/,@chars)) {
	push(@charalerts,&mt('contain at least one non-alphanumeric'));
	push(@charrules,'spec');
	}
	}
	$intargjs = qq\| var rulesmsg = '';\n\|.
	qq\| var currpwval = $currpasswdval;\n\|;
	if ($min) {
	$intargjs .= qq\|
	if (currpwval.length < $min) {
	rulesmsg += ' - $alert{min}';
	}
	\|;
	}
	if ($max) {
	$intargjs .= qq\|
	if (currpwval.length > $max) {
	rulesmsg += ' - $alert{max}';
	}
	\|;
	}
	if (@chars > 0) {
	my $charrulestr = '"'.join('","',@charrules).'"';
	my $charalertstr = '"'.join('","',@charalerts).'"';
	$intargjs .= qq\| var brokerules = new Array();\n\|.
	qq\| var charrules = new Array($charrulestr);\n\|.
	qq\| var charalerts = new Array($charalertstr);\n\|;
	my %rules;
	map { $rules{$_} = 1; } @chars;
	if ($rules{'uc'}) {
	$intargjs .= qq\|
	var ucRegExp = /[A-Z]/;
	if (!ucRegExp.test(currpwval)) {
	brokerules.push('uc');
	}
	\|;
	}
	if ($rules{'lc'}) {
	$intargjs .= qq\|
	var lcRegExp = /[a-z]/;
	if (!lcRegExp.test(currpwval)) {
	brokerules.push('lc');
	}
	\|;
	}
	if ($rules{'num'}) {
	$intargjs .= qq\|
	var numRegExp = /[0-9]/;
	if (!numRegExp.test(currpwval)) {
	brokerules.push('num');
	}
	\|;
	}
	if ($rules{'spec'}) {
	$intargjs .= q\|
	var specRegExp = /[!"#$%&'()*+,\-.\/:;<=>?@[\\^\]_`{\\|}~]/;
	if (!specRegExp.test(currpwval)) {
	brokerules.push('spec');
	}
	\|;
	}
	$intargjs .= qq\|
	if (brokerules.length > 0) {
	for (var i=0; i<brokerules.length; i++) {
	for (var j=0; j<charrules.length; j++) {
	if (brokerules[i] == charrules[j]) {
	rulesmsg += ' - '+charalerts[j]+'\\n';
	break;
	}
	}
	}
	}
	\|;
	}
	$intargjs .= qq\|
	if (rulesmsg != '') {
	rulesmsg = '$alertmsg'+rulesmsg;
	alert(rulesmsg);
	return false;
	}
	\|;
	}
	return ($numrules,$intargjs);
	}

###############################################################	###############################################################
## Get Kerberos Defaults for Domain ##	## Get Kerberos Defaults for Domain ##
###############################################################	###############################################################
Line 3075 sub get_related_words {	Line 3971 sub get_related_words {
untie %thesaurus_db;	untie %thesaurus_db;
return @Words;	return @Words;
}	}
	###############################################################
	#
	# Spell checking
	#

=pod	=pod

=back	=back

	=head1 Spell checking

	=over 4

	=item * &check_spelling($wordlist $language)

	Takes a string containing words and feeds it to an external
	spellcheck program via a pipeline. Returns a string containing
	them mis-spelled words.

	Parameters:

	=over 4

	=item - $wordlist

	String that will be fed into the spellcheck program.

	=item - $language

	Language string that specifies the language for which the spell
	check will be performed.

	=back

	=back

	Note: This sub assumes that aspell is installed.


=cut	=cut


	sub check_spelling {
	my ($wordlist, $language) = @_;
	my @misspellings;

	# Generate the speller and set the langauge.
	# if explicitly selected:

	my $speller = Text::Aspell->new;
	if ($language) {
	$speller->set_option('lang', $language);
	}

	# Turn the word list into an array of words by splittingon whitespace

	my @words = split(/\s+/, $wordlist);

	foreach my $word (@words) {
	if(! $speller->check($word)) {
	push(@misspellings, $word);
	}
	}
	return join(' ', @misspellings);

	}

# -------------------------------------------------------------- Plaintext name	# -------------------------------------------------------------- Plaintext name
=pod	=pod

Line 3545 category	Line 4501 category

sub filecategorytypes {	sub filecategorytypes {
my ($cat) = @_;	my ($cat) = @_;
return @{$category_extensions{lc($cat)}};	if (ref($category_extensions{lc($cat)}) eq 'ARRAY') {
	return @{$category_extensions{lc($cat)}};
	} else {
	return ();
	}
}	}

=pod	=pod
Line 3712 Return string with previous attempt on p	Line 4672 Return string with previous attempt on p

=item * $usec: section of the desired student	=item * $usec: section of the desired student

=item * $identifier: counter for student (multiple students one problem) or	=item * $identifier: counter for student (multiple students one problem) or
problem (one student; whole sequence).	problem (one student; whole sequence).

=back	=back
Line 3799 sub get_previous_attempt {	Line 4759 sub get_previous_attempt {
my (@hidden,@unsolved);	my (@hidden,@unsolved);
if (%typeparts) {	if (%typeparts) {
foreach my $id (keys(%typeparts)) {	foreach my $id (keys(%typeparts)) {
if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') \|\|	if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') \|\|
($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {	($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
push(@hidden,$id);	push(@hidden,$id);
} elsif ($identifier ne '') {	} elsif ($identifier ne '') {
Line 3860 sub get_previous_attempt {	Line 4820 sub get_previous_attempt {
if ($key =~ /\./) {	if ($key =~ /\./) {
my $value = $returnhash{$version.':'.$key};	my $value = $returnhash{$version.':'.$key};
if ($key =~ /\.rndseed$/) {	if ($key =~ /\.rndseed$/) {
my ($id) = ($key =~ /^(.+)\.rndseed$/);	my ($id) = ($key =~ /^(.+)\.[^.]+$/);
if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) {	if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) {
$value = $returnhash{$version.':'.$id.'.rawrndseed'};	$value = $returnhash{$version.':'.$id.'.rawrndseed'};
}	}
Line 3877 sub get_previous_attempt {	Line 4837 sub get_previous_attempt {
next if ($key =~ /\.foilorder$/);	next if ($key =~ /\.foilorder$/);
my $value = $returnhash{$version.':'.$key};	my $value = $returnhash{$version.':'.$key};
if ($key =~ /\.rndseed$/) {	if ($key =~ /\.rndseed$/) {
my ($id) = ($key =~ /^(.+)\.rndseed$/);	my ($id) = ($key =~ /^(.+)\.[^.]+$/);
if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) {	if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) {
$value = $returnhash{$version.':'.$id.'.rawrndseed'};	$value = $returnhash{$version.':'.$id.'.rawrndseed'};
}	}
Line 3908 sub get_previous_attempt {	Line 4868 sub get_previous_attempt {
if ($key =~/$regexp$/ && (defined &$gradesub)) {	if ($key =~/$regexp$/ && (defined &$gradesub)) {
$value = &$gradesub($value);	$value = &$gradesub($value);
}	}
$prevattempts.='<td>'.$value.' </td>';	$prevattempts.='<td>'. $value.' </td>';
} else {	} else {
$prevattempts.='<td> </td>';	$prevattempts.='<td> </td>';
}	}
Line 3924 sub get_previous_attempt {	Line 4884 sub get_previous_attempt {
if ($key =~/$regexp$/ && (defined &$gradesub)) {	if ($key =~/$regexp$/ && (defined &$gradesub)) {
$value = &$gradesub($value);	$value = &$gradesub($value);
}	}
$prevattempts.='<td>'.$value.' </td>';	$prevattempts.='<td>'.$value.' </td>';
}	}
}	}
$prevattempts.= &end_data_table_row().&end_data_table();	$prevattempts.= &end_data_table_row().&end_data_table();
} else {	} else {
	my $msg;
	if ($symb =~ /ext\.tool$/) {
	$msg = &mt('No grade passed back.');
	} else {
	$msg = &mt('Nothing submitted - no attempts.');
	}
$prevattempts=	$prevattempts=
&start_data_table().&start_data_table_row().	&start_data_table().&start_data_table_row().
'<td>'.&mt('Nothing submitted - no attempts.').'</td>'.	'<td>'.$msg.'</td>'.
&end_data_table_row().&end_data_table();	&end_data_table_row().&end_data_table();
}	}
} else {	} else {
Line 3945 sub get_previous_attempt {	Line 4911 sub get_previous_attempt {
sub format_previous_attempt_value {	sub format_previous_attempt_value {
my ($key,$value) = @_;	my ($key,$value) = @_;
if (($key =~ /timestamp/) \|\| ($key=~/duedate/)) {	if (($key =~ /timestamp/) \|\| ($key=~/duedate/)) {
$value = &Apache::lonlocal::locallocaltime($value);	$value = &Apache::lonlocal::locallocaltime($value);
} elsif (ref($value) eq 'ARRAY') {	} elsif (ref($value) eq 'ARRAY') {
$value = '('.join(', ', @{ $value }).')';	$value = &HTML::Entities::encode('('.join(', ', @{ $value }).')','"<>&');
} elsif ($key =~ /answerstring$/) {	} elsif ($key =~ /answerstring$/) {
my %answers = &Apache::lonnet::str2hash($value);	my %answers = &Apache::lonnet::str2hash($value);
	my @answer = %answers;
	%answers = map {&HTML::Entities::encode($_, '"<>&')} @answer;
my @anskeys = sort(keys(%answers));	my @anskeys = sort(keys(%answers));
if (@anskeys == 1) {	if (@anskeys == 1) {
my $answer = $answers{$anskeys[0]};	my $answer = $answers{$anskeys[0]};
Line 3972 sub format_previous_attempt_value {	Line 4940 sub format_previous_attempt_value {
}	}
}	}
} else {	} else {
$value = &unescape($value);	$value = &HTML::Entities::encode(&unescape($value), '"<>&');
}	}
return $value;	return $value;
}	}
Line 4034 sub get_student_view {	Line 5002 sub get_student_view {
}	}
if (defined($target)) { $form{'grade_target'} = $target; }	if (defined($target)) { $form{'grade_target'} = $target; }
$feedurl=&Apache::lonnet::clutter($feedurl);	$feedurl=&Apache::lonnet::clutter($feedurl);
	if (($feedurl =~ /ext\.tool$/) && ($target eq 'tex')) {
	$feedurl =~ s{^/adm/wrapper}{};
	}
my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);	my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
$userview=~s/\<body[^\>]*\>//gi;	$userview=~s/\<body[^\>]*\>//gi;
$userview=~s/\<\/body\>//gi;	$userview=~s/\<\/body\>//gi;
Line 4078 sub get_student_view_with_retries {	Line 5049 sub get_student_view_with_retries {
}	}
}	}

	sub css_links {
	my ($currsymb,$level) = @_;
	my ($links,@symbs,%cssrefs,%httpref);
	if ($level eq 'map') {
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (ref($navmap)) {
	my ($map,undef,$url)=&Apache::lonnet::decode_symb($currsymb);
	my @resources = $navmap->retrieveResources($map,sub { $_[0]->is_problem() },0,0);
	foreach my $res (@resources) {
	if (ref($res) && $res->symb()) {
	push(@symbs,$res->symb());
	}
	}
	}
	} else {
	@symbs = ($currsymb);
	}
	foreach my $symb (@symbs) {
	my $css_href = &Apache::lonnet::EXT('resource.0.cssfile',$symb);
	if ($css_href =~ /\S/) {
	unless ($css_href =~ m{https?://}) {
	my $url = (&Apache::lonnet::decode_symb($symb))[-1];
	my $proburl = &Apache::lonnet::clutter($url);
	my ($probdir) = ($proburl =~ m{(.+)/[^/]+$});
	unless ($css_href =~ m{^/}) {
	$css_href = &Apache::lonnet::hreflocation($probdir,$css_href);
	}
	if ($css_href =~ m{^/(res\|uploaded)/}) {
	unless (($httpref{'httpref.'.$css_href}) \|\|
	(&Apache::lonnet::is_on_map($css_href))) {
	my $thisurl = $proburl;
	if ($env{'httpref.'.$proburl}) {
	$thisurl = $env{'httpref.'.$proburl};
	}
	$httpref{'httpref.'.$css_href} = $thisurl;
	}
	}
	}
	$cssrefs{$css_href} = 1;
	}
	}
	if (keys(%httpref)) {
	&Apache::lonnet::appenv(\%httpref);
	}
	if (keys(%cssrefs)) {
	foreach my $css_href (keys(%cssrefs)) {
	next unless ($css_href =~ m{^(/res/\|/uploaded/\|https?://)});
	$links .= '<link rel="stylesheet" type="text/css" href="'.$css_href.'" />'."\n";
	}
	}
	return $links;
	}

=pod	=pod

=item * &get_student_answers()	=item * &get_student_answers()
Line 4333 sub findallcourses {	Line 5357 sub findallcourses {
###############################################	###############################################

sub blockcheck {	sub blockcheck {
my ($setters,$activity,$uname,$udom,$url,$is_course) = @_;	my ($setters,$activity,$clientip,$uname,$udom,$url,$is_course,$symb,$caller) = @_;
	unless (($activity eq 'docs') \|\| ($activity eq 'reinit') \|\| ($activity eq 'alert')) {
	my ($has_evb,$check_ipaccess);
	my $dom = $env{'user.domain'};
	if ($env{'request.course.id'}) {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $checkrole = "cm./$cdom/$cnum";
	my $sec = $env{'request.course.sec'};
	if ($sec ne '') {
	$checkrole .= "/$sec";
	}
	if ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
	($env{'request.role'} !~ /^st/)) {
	$has_evb = 1;
	}
	unless ($has_evb) {
	if (($activity eq 'printout') \|\| ($activity eq 'grades') \|\| ($activity eq 'search') \|\|
	($activity eq 'boards') \|\| ($activity eq 'groups') \|\| ($activity eq 'chat')) {
	if ($udom eq $cdom) {
	$check_ipaccess = 1;
	}
	}
	}
	} elsif (($activity eq 'com') \|\| ($activity eq 'port') \|\| ($activity eq 'blogs') \|\|
	($activity eq 'about') \|\| ($activity eq 'wishlist') \|\| ($activity eq 'passwd')) {
	my $checkrole;
	if ($env{'request.role.domain'} eq '') {
	$checkrole = "cm./$env{'user.domain'}/";
	} else {
	$checkrole = "cm./$env{'request.role.domain'}/";
	}
	if (($checkrole) && (&Apache::lonnet::allowed('evb',undef,undef,$checkrole))) {
	$has_evb = 1;
	}
	}
	unless ($has_evb \|\| $check_ipaccess) {
	my @machinedoms = &Apache::lonnet::current_machine_domains();
	if (($dom eq 'public') && ($activity eq 'port')) {
	$dom = $udom;
	}
	if (($dom ne '') && (grep(/^\Q$dom\E$/,@machinedoms))) {
	$check_ipaccess = 1;
	} else {
	my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
	my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
	my $prim = &Apache::lonnet::domain($dom,'primary');
	my $intdom = &Apache::lonnet::internet_dom($prim);
	if (($intdom ne '') && (ref($internet_names) eq 'ARRAY')) {
	if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
	$check_ipaccess = 1;
	}
	}
	}
	}
	if ($check_ipaccess) {
	my ($ipaccessref,$cached)=&Apache::lonnet::is_cached_new('ipaccess',$dom);
	unless (defined($cached)) {
	my %domconfig =
	&Apache::lonnet::get_dom('configuration',['ipaccess'],$dom);
	$ipaccessref = &Apache::lonnet::do_cache_new('ipaccess',$dom,$domconfig{'ipaccess'},1800);
	}
	if ((ref($ipaccessref) eq 'HASH') && ($clientip)) {
	foreach my $id (keys(%{$ipaccessref})) {
	if (ref($ipaccessref->{$id}) eq 'HASH') {
	my $range = $ipaccessref->{$id}->{'ip'};
	if ($range) {
	if (&Apache::lonnet::ip_match($clientip,$range)) {
	if (ref($ipaccessref->{$id}->{'commblocks'}) eq 'HASH') {
	if ($ipaccessref->{$id}->{'commblocks'}->{$activity} eq 'on') {
	return ('','','',$id,$dom);
	last;
	}
	}
	}
	}
	}
	}
	}
	}
	if (($activity eq 'wishlist') \|\| ($activity eq 'annotate')) {
	return ();
	}
	}
if (defined($udom) && defined($uname)) {	if (defined($udom) && defined($uname)) {
# If uname and udom are for a course, check for blocks in the course.	# If uname and udom are for a course, check for blocks in the course.
if (($is_course) \|\| (&Apache::lonnet::is_course($udom,$uname))) {	if (($is_course) \|\| (&Apache::lonnet::is_course($udom,$uname))) {
my ($startblock,$endblock,$triggerblock) =	my ($startblock,$endblock,$triggerblock) =
&get_blocks($setters,$activity,$udom,$uname,$url);	&get_blocks($setters,$activity,$udom,$uname,$url,$symb,$caller);
return ($startblock,$endblock,$triggerblock);	return ($startblock,$endblock,$triggerblock);
}	}
} else {	} else {
Line 4350 sub blockcheck {	Line 5456 sub blockcheck {
my $startblock = 0;	my $startblock = 0;
my $endblock = 0;	my $endblock = 0;
my $triggerblock = '';	my $triggerblock = '';
my %live_courses = &findallcourses(undef,$uname,$udom);	my %live_courses;
	unless (($activity eq 'wishlist') \|\| ($activity eq 'annotate')) {
	%live_courses = &findallcourses(undef,$uname,$udom);
	}

# If uname is for a user, and activity is course-specific, i.e.,	# If uname is for a user, and activity is course-specific, i.e.,
# boards, chat or groups, check for blocking in current course only.	# boards, chat or groups, check for blocking in current course only.

if (($activity eq 'boards' \|\| $activity eq 'chat' \|\|	if (($activity eq 'boards' \|\| $activity eq 'chat' \|\|
$activity eq 'groups' \|\| $activity eq 'printout') &&	$activity eq 'groups' \|\| $activity eq 'printout' \|\|
	$activity eq 'search' \|\| $activity eq 'reinit' \|\|
	$activity eq 'alert') &&
($env{'request.course.id'})) {	($env{'request.course.id'})) {
foreach my $key (keys(%live_courses)) {	foreach my $key (keys(%live_courses)) {
if ($key ne $env{'request.course.id'}) {	if ($key ne $env{'request.course.id'}) {
Line 4440 sub blockcheck {	Line 5551 sub blockcheck {
$tdom,$spec,$trest,$area);	$tdom,$spec,$trest,$area);
}	}
}	}
my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);	my ($author,$adv,$rar) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {	if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
if ($1) {	if ($1) {
$no_userblock = 1;	$no_userblock = 1;
Line 4462 sub blockcheck {	Line 5573 sub blockcheck {
($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));	($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
next if ($no_userblock);	next if ($no_userblock);

# Retrieve blocking times and identity of locker for course	# Retrieve blocking times and identity of blocker for course
# of specified user, unless user has 'evb' privilege.	# of specified user, unless user has 'evb' privilege.

my ($start,$end,$trigger) =	my ($start,$end,$trigger) =
&get_blocks($setters,$activity,$cdom,$cnum,$url);	&get_blocks($setters,$activity,$cdom,$cnum,$url,$symb,$caller);
if (($start != 0) &&	if (($start != 0) &&
(($startblock == 0) \|\| ($startblock > $start))) {	(($startblock == 0) \|\| ($startblock > $start))) {
$startblock = $start;	$startblock = $start;
Line 4486 sub blockcheck {	Line 5597 sub blockcheck {
}	}

sub get_blocks {	sub get_blocks {
my ($setters,$activity,$cdom,$cnum,$url) = @_;	my ($setters,$activity,$cdom,$cnum,$url,$symb,$caller) = @_;
my $startblock = 0;	my $startblock = 0;
my $endblock = 0;	my $endblock = 0;
my $triggerblock = '';	my $triggerblock = '';
Line 4499 sub get_blocks {	Line 5610 sub get_blocks {
my $now = time;	my $now = time;
my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);	my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);
if ($activity eq 'docs') {	if ($activity eq 'docs') {
@blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks);	my ($blocked,$nosymbcache,$noenccheck);
	if (($caller eq 'blockedaccess') \|\| ($caller eq 'blockingstatus')) {
	$blocked = 1;
	$nosymbcache = 1;
	$noenccheck = 1;
	}
	@blockers = &Apache::lonnet::has_comm_blocking('bre',$symb,$url,$nosymbcache,$noenccheck,$blocked,\%commblocks);
foreach my $block (@blockers) {	foreach my $block (@blockers) {
if ($block =~ /^firstaccess____(.+)$/) {	if ($block =~ /^firstaccess____(.+)$/) {
my $item = $1;	my $item = $1;
Line 4551 sub get_blocks {	Line 5668 sub get_blocks {
my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};	my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};
if ($start && $end) {	if ($start && $end) {
if (($start <= time) && ($end >= time)) {	if (($start <= time) && ($end >= time)) {
unless (grep(/^\Q$block\E$/,@blockers)) {	if (ref($commblocks{$block}) eq 'HASH') {
push(@blockers,$block);	if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
$triggered{$block} = {	if ($commblocks{$block}{'blocks'}{$activity} eq 'on') {
start => $start,	unless(grep(/^\Q$block\E$/,@blockers)) {
end => $end,	push(@blockers,$block);
type => $type,	$triggered{$block} = {
};	start => $start,
	end => $end,
	type => $type,
	};
	}
	}
	}
}	}
}	}
}	}
Line 4621 sub parse_block_record {	Line 5744 sub parse_block_record {
}	}

sub blocking_status {	sub blocking_status {
my ($activity,$uname,$udom,$url,$is_course) = @_;	my ($activity,$clientip,$uname,$udom,$url,$is_course,$symb,$caller) = @_;
my %setters;	my %setters;

# check for active blocking	# check for active blocking
my ($startblock,$endblock,$triggerblock) =	if ($clientip eq '') {
&blockcheck(\%setters,$activity,$uname,$udom,$url,$is_course);	$clientip = &Apache::lonnet::get_requestor_ip();
	}
	my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
	&blockcheck(\%setters,$activity,$clientip,$uname,$udom,$url,$is_course,$symb,$caller);
my $blocked = 0;	my $blocked = 0;
if ($startblock && $endblock) {	if (($startblock && $endblock) \|\| ($by_ip)) {
$blocked = 1;	$blocked = 1;
}	}

Line 4637 sub blocking_status {	Line 5763 sub blocking_status {

# build a link to a popup window containing the details	# build a link to a popup window containing the details
my $querystring = "?activity=$activity";	my $querystring = "?activity=$activity";
# $uname and $udom decide whose portfolio the user is trying to look at	# $uname and $udom decide whose portfolio (or information page) the user is trying to look at
if (($activity eq 'port') \|\| ($activity eq 'passwd')) {	if (($activity eq 'port') \|\| ($activity eq 'about') \|\| ($activity eq 'passwd')) {
$querystring .= "&udom=$udom" if ($udom =~ /^$match_domain$/);	$querystring .= "&udom=$udom" if ($udom =~ /^$match_domain$/);
$querystring .= "&uname=$uname" if ($uname =~ /^$match_username$/);	$querystring .= "&uname=$uname" if ($uname =~ /^$match_username$/);
} elsif ($activity eq 'docs') {	} elsif ($activity eq 'docs') {
$querystring .= '&url='.&HTML::Entities::encode($url,'&"');	my $showurl = &Apache::lonenc::check_encrypt($url);
	$querystring .= '&url='.&HTML::Entities::encode($showurl,'\'&"<>');
	if ($symb) {
	my $showsymb = &Apache::lonenc::check_encrypt($symb);
	$querystring .= '&symb='.&HTML::Entities::encode($showsymb,'\'&"<>');
	}
}	}

my $output .= <<'END_MYBLOCK';	my $output .= <<'END_MYBLOCK';
Line 4667 END_MYBLOCK	Line 5798 END_MYBLOCK
$text = &mt('Printing Blocked');	$text = &mt('Printing Blocked');
} elsif ($activity eq 'passwd') {	} elsif ($activity eq 'passwd') {
$text = &mt('Password Changing Blocked');	$text = &mt('Password Changing Blocked');
	} elsif ($activity eq 'grades') {
	$text = &mt('Gradebook Blocked');
	} elsif ($activity eq 'search') {
	$text = &mt('Search Blocked');
	} elsif ($activity eq 'alert') {
	$text = &mt('Checking Critical Messages Blocked');
	} elsif ($activity eq 'reinit') {
	$text = &mt('Checking Course Update Blocked');
	} elsif ($activity eq 'about') {
	$text = &mt('Access to User Information Pages Blocked');
	} elsif ($activity eq 'wishlist') {
	$text = &mt('Access to Stored Links Blocked');
	} elsif ($activity eq 'annotate') {
	$text = &mt('Access to Annotations Blocked');
}	}
$output .= <<"END_BLOCK";	$output .= <<"END_BLOCK";
<div class='$class'>	<div class='$class'>
Line 4690 sub check_ip_acc {	Line 5835 sub check_ip_acc {
if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {	if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {
return 1;	return 1;
}	}
my $allowed=0;	my ($ip,$allowed);
my $ip=$env{'request.host'} \|\| $ENV{'REMOTE_ADDR'} \|\| $clientip;	if (($ENV{'REMOTE_ADDR'} eq '127.0.0.1') \|\|
	($ENV{'REMOTE_ADDR'} eq &Apache::lonnet::get_host_ip($Apache::lonnet::perlvar{'lonHostID'}))) {
	$ip = $env{'request.host'} \|\| $ENV{'REMOTE_ADDR'} \|\| $clientip;
	} else {
	my $remote_ip = &Apache::lonnet::get_requestor_ip();
	$ip = $remote_ip \|\| $env{'request.host'} \|\| $clientip;
	}

my $name;	my $name;
foreach my $pattern (split(',',$acc)) {	my %access = (
$pattern =~ s/^\s*//;	allowfrom => 1,
$pattern =~ s/\s*$//;	denyfrom => 0,
	);
	my @allows;
	my @denies;
	foreach my $item (split(',',$acc)) {
	$item =~ s/^\s*//;
	$item =~ s/\s*$//;
	my $pattern;
	if ($item =~ /^\!(.+)$/) {
	push(@denies,$1);
	} else {
	push(@allows,$item);
	}
	}
	my $numdenies = scalar(@denies);
	my $numallows = scalar(@allows);
	my $count = 0;
	foreach my $pattern (@denies,@allows) {
	$count ++;
	my $acctype = 'allowfrom';
	if ($count <= $numdenies) {
	$acctype = 'denyfrom';
	}
if ($pattern =~ /\*$/) {	if ($pattern =~ /\*$/) {
#35.8.*	#35.8.*
$pattern=~s/\*//;	$pattern=~s/\*//;
if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }	if ($ip =~ /^\Q$pattern\E/) { $allowed=$access{$acctype}; }
} elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {	} elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
#35.8.3.[34-56]	#35.8.3.[34-56]
my $low=$2;	my $low=$2;
Line 4708 sub check_ip_acc {	Line 5881 sub check_ip_acc {
$pattern=$1;	$pattern=$1;
if ($ip =~ /^\Q$pattern\E/) {	if ($ip =~ /^\Q$pattern\E/) {
my $last=(split(/\./,$ip))[3];	my $last=(split(/\./,$ip))[3];
if ($last <=$high && $last >=$low) { $allowed=1; }	if ($last <=$high && $last >=$low) { $allowed=$access{$acctype}; }
}	}
} elsif ($pattern =~ /^\*/) {	} elsif ($pattern =~ /^\*/) {
#*.msu.edu	#*.msu.edu
Line 4718 sub check_ip_acc {	Line 5891 sub check_ip_acc {
my $netaddr=inet_aton($ip);	my $netaddr=inet_aton($ip);
($name)=gethostbyaddr($netaddr,AF_INET);	($name)=gethostbyaddr($netaddr,AF_INET);
}	}
if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }	if ($name =~ /\Q$pattern\E$/i) { $allowed=$access{$acctype}; }
} elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {	} elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
#127.0.0.1	#127.0.0.1
if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }	if ($ip =~ /^\Q$pattern\E/) { $allowed=$access{$acctype}; }
} else {	} else {
#some.name.com	#some.name.com
if (!defined($name)) {	if (!defined($name)) {
Line 4729 sub check_ip_acc {	Line 5902 sub check_ip_acc {
my $netaddr=inet_aton($ip);	my $netaddr=inet_aton($ip);
($name)=gethostbyaddr($netaddr,AF_INET);	($name)=gethostbyaddr($netaddr,AF_INET);
}	}
if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }	if ($name =~ /\Q$pattern\E$/i) { $allowed=$access{$acctype}; }
	}
	if ($allowed =~ /^(0\|1)$/) { last; }
	}
	if ($allowed eq '') {
	if ($numdenies && !$numallows) {
	$allowed = 1;
	} else {
	$allowed = 0;
}	}
if ($allowed) { last; }
}	}
return $allowed;	return $allowed;
}	}
Line 4796 sub get_domainconf {	Line 5976 sub get_domainconf {
my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};	my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
$designhash{$udom.'.login.loginvia'} = $server;	$designhash{$udom.'.login.loginvia'} = $server;
if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {	if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {

$designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};	$designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
} else {	} else {
$designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};	$designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
Line 4812 sub get_domainconf {	Line 5993 sub get_domainconf {
}	}
}	}
}	}
	} elsif ($key eq 'saml') {
	if (ref($domconfig{'login'}{$key}) eq 'HASH') {
	foreach my $host (keys(%{$domconfig{'login'}{$key}})) {
	if (ref($domconfig{'login'}{$key}{$host}) eq 'HASH') {
	$designhash{$udom.'.login.'.$key.'_'.$host} = 1;
	foreach my $item ('text','img','alt','url','title','notsso') {
	$designhash{$udom.'.login.'.$key.'_'.$item.'_'.$host} = $domconfig{'login'}{$key}{$host}{$item};
	}
	}
	}
	}
} else {	} else {
foreach my $img (keys(%{$domconfig{'login'}{$key}})) {	foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
$designhash{$udom.'.login.'.$key.'_'.$img} =	$designhash{$udom.'.login.'.$key.'_'.$img} =
Line 4876 sub get_legacy_domconf {	Line 6068 sub get_legacy_domconf {
my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';	my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
my $designfile = $designdir.'/'.$udom.'.tab';	my $designfile = $designdir.'/'.$udom.'.tab';
if (-e $designfile) {	if (-e $designfile) {
if ( open (my $fh,"<$designfile") ) {	if ( open (my $fh,'<',$designfile) ) {
while (my $line = <$fh>) {	while (my $line = <$fh>) {
next if ($line =~ /^\#/);	next if ($line =~ /^\#/);
chomp($line);	chomp($line);
Line 4916 sub domainlogo {	Line 6108 sub domainlogo {
&Apache::lonnet::repcopy($local_name);	&Apache::lonnet::repcopy($local_name);
}	}
$imgsrc = &lonhttpdurl($imgsrc);	$imgsrc = &lonhttpdurl($imgsrc);
}	}
return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';	my $alttext = $domain;
	if ($designhash{$domain.'.login.alttext_domlogo'} ne '') {
	$alttext = $designhash{$domain.'.login.alttext_domlogo'};
	}
	return '<img src="'.$imgsrc.'" alt="'.$alttext.'" id="lclogindomlogo" />';
} elsif (defined(&Apache::lonnet::domain($domain,'description'))) {	} elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
return &Apache::lonnet::domain($domain,'description');	return &Apache::lonnet::domain($domain,'description');
} else {	} else {
Line 5035 sub head_subbox {	Line 6231 sub head_subbox {
Input: (optional) filename from which breadcrumb trail is built.	Input: (optional) filename from which breadcrumb trail is built.
In most cases no input as needed, as $env{'request.filename'}	In most cases no input as needed, as $env{'request.filename'}
is appropriate for use in building the breadcrumb trail.	is appropriate for use in building the breadcrumb trail.
	frameset flag
	If page header is being requested for use in a frameset, then
	the second (option) argument -- frameset will be true, and
	the target attribute set for links should be target="_parent".

Returns: HTML div with CSTR path and recent box	Returns: HTML div with CSTR path and recent box
To be included on Authoring Space pages	To be included on Authoring Space pages
Line 5042 Returns: HTML div with CSTR path and rec	Line 6242 Returns: HTML div with CSTR path and rec
=cut	=cut

sub CSTR_pageheader {	sub CSTR_pageheader {
my ($trailfile) = @_;	my ($trailfile,$frameset) = @_;
if ($trailfile eq '') {	if ($trailfile eq '') {
$trailfile = $env{'request.filename'};	$trailfile = $env{'request.filename'};
}	}
Line 5065 sub CSTR_pageheader {	Line 6265 sub CSTR_pageheader {
$lastitem = $thisdisfn;	$lastitem = $thisdisfn;
}	}

	my ($crsauthor,$title);
	if (($env{'request.course.id'}) &&
	($env{'course.'.$env{'request.course.id'}.'.num'} eq $uname) &&
	($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom)) {
	$crsauthor = 1;
	$title = &mt('Course Authoring Space');
	} else {
	$title = &mt('Authoring Space');
	}

	my ($target,$crumbtarget) = (' target="_top"','_top');
	if ($frameset) {
	$target = ' target="_parent"';
	$crumbtarget = '_parent';
	} elsif (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) {
	$target = '';
	$crumbtarget = '';
	} elsif (($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'})) {
	$target = ' target="'.$env{'request.deeplink.target'}.'"';
	$crumbtarget = $env{'request.deeplink.target'};
	}

my $output =	my $output =
'<div>'	'<div>'
.&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?	.&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
.'<b>'.&mt('Authoring Space:').'</b> '	.'<b>'.$title.'</b> '
.'<form name="dirs" method="post" action="'.$formaction	.'<form name="dirs" method="post" action="'.$formaction.'"'.$target.'>'
.'" target="_top">' #FIXME lonpubdir: target="_parent"	.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,$crumbtarget,'/priv/'.$udom,undef,undef);
.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);

if ($lastitem) {	if ($lastitem) {
$output .=	$output .=
Line 5079 sub CSTR_pageheader {	Line 6300 sub CSTR_pageheader {
.$lastitem	.$lastitem
.'</span>';	.'</span>';
}	}
$output .=
'<br />'	if ($crsauthor) {
#FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />"	$output .= '</form>'.&Apache::lonmenu::constspaceform($frameset);
.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')	} else {
.'</form>'	$output .=
.&Apache::lonmenu::constspaceform()	'<br />'
.'</div>';	#FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/',$crumbtarget,'/priv','','+1',1)."</b></tt><br />"
	.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
	.'</form>'
	.&Apache::lonmenu::constspaceform($frameset);
	}
	$output .= '</div>';

return $output;	return $output;
}	}
Line 5127 Inputs:	Line 6353 Inputs:

=item * $bgcolor, used to override the bgcolor on a webpage to a specific value	=item * $bgcolor, used to override the bgcolor on a webpage to a specific value

=item * $no_inline_link, if true and in remote mode, don't show the
'Switch To Inline Menu' link

=item * $args, optional argument valid values are	=item * $args, optional argument valid values are
no_auto_mt_title -> prevents &mt()ing the title arg	no_auto_mt_title -> prevents &mt()ing the title arg
	use_absolute -> for external resource or syllabus, this will
	contain https://<hostname> if server uses
	https (as per hosts.tab), but request is for http
	hostname -> hostname, from $r->hostname().

=item * $advtoolsref, optional argument, ref to an array containing	=item * $advtoolsref, optional argument, ref to an array containing
inlineremote items to be added in "Functions" menu below	inlineremote items to be added in "Functions" menu below
breadcrumbs.	breadcrumbs.

	=item * $ltiscope, optional argument, will be one of: resource, map or
	course, if LON-CAPA is in LTI Provider context. Value is
	the scope of use, i.e., launch was for access to a single, a map
	or the entire course.

	=item * $ltiuri, optional argument, if LON-CAPA is in LTI Provider
	context, this will contain the URL for the landing item in
	the course, after launch from an LTI Consumer

	=item * $ltimenu, optional argument, if LON-CAPA is in LTI Provider
	context, this will contain a reference to hash of items
	to be included in the page header and/or inline menu.

=back	=back

Returns: A uniform header for LON-CAPA web pages.	Returns: A uniform header for LON-CAPA web pages.
Line 5148 other decorations will be returned.	Line 6388 other decorations will be returned.

sub bodytag {	sub bodytag {
my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,	my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
$no_nav_bar,$bgcolor,$no_inline_link,$args,$advtoolsref)=@_;	$no_nav_bar,$bgcolor,$args,$advtoolsref,$ltiscope,$ltiuri,
	$ltimenu,$menucoll,$menuref)=@_;

my $public;	my $public;
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))	if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
Line 5157 sub bodytag {	Line 6398 sub bodytag {
}	}
if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }	if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
my $httphost = $args->{'use_absolute'};	my $httphost = $args->{'use_absolute'};
	my $hostname = $args->{'hostname'};

$function = &get_users_function() if (!$function);	$function = &get_users_function() if (!$function);
my $img = &designparm($function.'.img',$domain);	my $img = &designparm($function.'.img',$domain);
Line 5176 sub bodytag {	Line 6418 sub bodytag {
if ($realm) {	if ($realm) {
$realm = '/'.$realm;	$realm = '/'.$realm;
}	}
if ($role eq 'ca') {	if ($role eq 'ca') {
my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});	my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
$realm = &plainname($rname,$rdom);	$realm = &plainname($rname,$rdom);
}	}
# realm	# realm
	my ($cid,$sec);
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
	$cid = $env{'request.course.id'};
	if ($env{'request.course.sec'}) {
	$sec = $env{'request.course.sec'};
	}
	} elsif ($realm =~ m{^/($match_domain)/($match_courseid)(?:\|/(\w+))$}) {
	if (&Apache::lonnet::is_course($1,$2)) {
	$cid = $1.'_'.$2;
	$sec = $3;
	}
	}
	if ($cid) {
if ($env{'request.role'} !~ /^cr/) {	if ($env{'request.role'} !~ /^cr/) {
$role = &Apache::lonnet::plaintext($role,&course_type());	$role = &Apache::lonnet::plaintext($role,&course_type());
	} elsif ($role =~ m{^cr/($match_domain)/\1-domainconfig/(\w+)$}) {
	if ($env{'request.role.desc'}) {
	$role = $env{'request.role.desc'};
	} else {
	$role = &mt('Helpdesk[_1]',' '.$2);
	}
	} else {
	$role = (split(/\//,$role,4))[-1];
}	}
if ($env{'request.course.sec'}) {	if ($sec) {
$role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};	$role .= (' 'x2).'- '.&mt('section:').' '.$sec;
}	}
$realm = $env{'course.'.$env{'request.course.id'}.'.description'};	$realm = $env{'course.'.$cid.'.description'};
} else {	} else {
$role = &Apache::lonnet::plaintext($role);	$role = &Apache::lonnet::plaintext($role);
}	}
Line 5210 sub bodytag {	Line 6472 sub bodytag {
if ($public) {	if ($public) {
undef($role);	undef($role);
}	}

	my $showcrstitle = 1;
	if (($cid) && ($env{'request.lti.login'})) {
	if (ref($ltimenu) eq 'HASH') {
	unless ($ltimenu->{'role'}) {
	undef($role);
	}
	unless ($ltimenu->{'coursetitle'}) {
	$realm=' ';
	$showcrstitle = 0;
	}
	}
	} elsif (($cid) && ($menucoll)) {
	if (ref($menuref) eq 'HASH') {
	unless ($menuref->{'role'}) {
	undef($role);
	}
	unless ($menuref->{'crs'}) {
	$realm=' ';
	$showcrstitle = 0;
	}
	}
	}

my $titleinfo = '<h1>'.$title.'</h1>';	my $titleinfo = '<h1>'.$title.'</h1>';
#	#
# Extra info if you are the DC	# Extra info if you are the DC
my $dc_info = '';	my $dc_info = '';
if ($env{'user.adv'} && exists($env{'user.role.dc./'.	if (($env{'user.adv'}) && ($env{'request.course.id'}) && $showcrstitle &&
$env{'course.'.$env{'request.course.id'}.	(exists($env{'user.role.dc./'.$env{'course.'.$cid.'.domain'}.'/'}))) {
'.domain'}.'/'})) {
my $cid = $env{'request.course.id'};
$dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};	$dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
$dc_info =~ s/\s+$//;	$dc_info =~ s/\s+$//;
}	}

$role = '<span class="LC_nobreak">('.$role.')</span>' if ($role && !$env{'browser.mobile'});	my $crstype;
	if ($cid) {
if ($env{'request.state'} eq 'construct') { $forcereg=1; }	$crstype = $env{'course.'.$cid.'.type'};
	} elsif ($args->{'crstype'}) {
	$crstype = $args->{'crstype'};
	}
my $funclist;	if (($crstype eq 'Placement') && (!$env{'request.role.adv'})) {
if (($env{'environment.remote'} eq 'on') && ($env{'request.state'} ne 'construct')) {	undef($role);
$bodytag .= Apache::lonhtmlcommon::scripttag(Apache::lonmenu::utilityfunctions($httphost), 'start')."\n".
Apache::lonmenu::serverform();
my $forbodytag;
&Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
$forcereg,$args->{'group'},
$args->{'bread_crumbs'},
$advtoolsref,'',\$forbodytag);
unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
$funclist = $forbodytag;
}
} else {	} else {
	$role = '<span class="LC_nobreak">('.$role.')</span>' if ($role && !$env{'browser.mobile'});
	}

	if ($env{'request.state'} eq 'construct') { $forcereg=1; }

# if ($env{'request.state'} eq 'construct') {	# if ($env{'request.state'} eq 'construct') {
# $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls	# $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
Line 5250 sub bodytag {	Line 6527 sub bodytag {
$bodytag .= Apache::lonhtmlcommon::scripttag(	$bodytag .= Apache::lonhtmlcommon::scripttag(
Apache::lonmenu::utilityfunctions($httphost), 'start');	Apache::lonmenu::utilityfunctions($httphost), 'start');

my ($left,$right) = Apache::lonmenu::primary_menu();	unless ($args->{'no_primary_menu'}) {
	my ($left,$right) = Apache::lonmenu::primary_menu($crstype,$ltimenu,$menucoll,$menuref,
	$args->{'links_disabled'},
	$args->{'links_target'});

if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {	if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
if ($dc_info) {	if ($dc_info) {
$dc_info = qq\|<span class="LC_cusr_subheading">$dc_info</span>\|;	$dc_info = qq\|<span class="LC_cusr_subheading">$dc_info</span>\|;
	}
	$bodytag .= qq\|<div id="LC_nav_bar">$left $role<br />
	<em>$realm</em> $dc_info</div>\|;
	return $bodytag;
}	}
$bodytag .= qq\|<div id="LC_nav_bar">$left $role<br />
<em>$realm</em> $dc_info</div>\|;
return $bodytag;
}

unless ($env{'request.symb'} =~ m/\.page___\d+___/) {	unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
$bodytag .= qq\|<div id="LC_nav_bar">$left $role</div>\|;	$bodytag .= qq\|<div id="LC_nav_bar">$left $role</div>\|;
}	}

$bodytag .= $right;	$bodytag .= $right;

if ($dc_info) {	if ($dc_info) {
$dc_info = &dc_courseid_toggle($dc_info);	$dc_info = &dc_courseid_toggle($dc_info);
	}
	$bodytag .= qq\|<div id="LC_realm">$realm $dc_info</div>\|;
}	}
$bodytag .= qq\|<div id="LC_realm">$realm $dc_info</div>\|;

#if directed to not display the secondary menu, don't.	#if directed to not display the secondary menu, don't.
if ($args->{'no_secondary_menu'}) {	if ($args->{'no_secondary_menu'}) {
return $bodytag;	return $bodytag;
}	}
#don't show menus for public users	#don't show menus for public users
if (!$public){	if (!$public){
$bodytag .= Apache::lonmenu::secondary_menu($httphost);	unless ($args->{'no_inline_menu'}) {
	$bodytag .= Apache::lonmenu::secondary_menu($httphost,$ltiscope,$ltimenu,
	$args->{'no_primary_menu'},
	$menucoll,$menuref,
	$args->{'links_disabled'},
	$args->{'links_target'});
	}
$bodytag .= Apache::lonmenu::serverform();	$bodytag .= Apache::lonmenu::serverform();
$bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');	$bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
if ($env{'request.state'} eq 'construct') {	if ($env{'request.state'} eq 'construct') {
$bodytag .= &Apache::lonmenu::innerregister($forcereg,	$bodytag .= &Apache::lonmenu::innerregister($forcereg,
$args->{'bread_crumbs'});	$args->{'bread_crumbs'},'','',$hostname,$ltiscope,$ltiuri);
} elsif ($forcereg) {	} elsif ($forcereg) {
$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,	$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
$args->{'group'});	$args->{'group'},
	$args->{'hide_buttons'},
	$hostname,$ltiscope,$ltiuri);
} else {	} else {
my $forbodytag;	$bodytag .=
&Apache::lonmenu::prepare_functions($env{'request.noversionuri'},	&Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
$forcereg,$args->{'group'},	$forcereg,$args->{'group'},
$args->{'bread_crumbs'},	$args->{'bread_crumbs'},
$advtoolsref,'',\$forbodytag);	$advtoolsref,'',$hostname);
unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
$bodytag .= $forbodytag;
}
}	}
}else{	}else{
# this is to seperate menu from content when there's no secondary	# this is to seperate menu from content when there's no secondary
Line 5305 sub bodytag {	Line 6591 sub bodytag {
}	}

return $bodytag;	return $bodytag;
}

#
# Top frame rendering, Remote is up
#

my $imgsrc = $img;
if ($img =~ /^\/adm/) {
$imgsrc = &lonhttpdurl($img);
}
my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';

my $help=($no_inline_link?''
:&Apache::loncommon::top_nav_help('Help'));

# Explicit link to get inline menu
my $menu= ($no_inline_link?''
:'<a href="/adm/remote?action=collapse" target="_top">'.&mt('Switch to Inline Menu Mode').'</a>');

if ($dc_info) {
$dc_info = qq\|<span class="LC_cusr_subheading">($dc_info)</span>\|;
}

my $name = &plainname($env{'user.name'},$env{'user.domain'});
unless ($public) {
$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'},
undef,'LC_menubuttons_link');
}

unless ($env{'form.inhibitmenu'}) {
$bodytag .= qq\|<div id="LC_nav_bar">$name $role</div>
<ol class="LC_primary_menu LC_floatright LC_right">
<li>$help</li>
<li>$menu</li>
</ol><div id="LC_realm"> $realm $dc_info</div>\|;
}
if ($env{'request.state'} eq 'construct') {
if (!$public){
if ($env{'request.state'} eq 'construct') {
$funclist = &Apache::lonhtmlcommon::scripttag(
&Apache::lonmenu::utilityfunctions($httphost), 'start').
&Apache::lonhtmlcommon::scripttag('','end').
&Apache::lonmenu::innerregister($forcereg,
$args->{'bread_crumbs'});
}
}
}
return $bodytag."\n".$funclist;
}	}

sub dc_courseid_toggle {	sub dc_courseid_toggle {
Line 5384 sub make_attr_string {	Line 6622 sub make_attr_string {
delete($attr_ref->{$key});	delete($attr_ref->{$key});
}	}
}	}
if ($env{'environment.remote'} eq 'on') {	$attr_ref->{'onload'} = $on_load;
$attr_ref->{'onload'} =	$attr_ref->{'onunload'}= $on_unload;
&Apache::lonmenu::loadevents(). $on_load;
$attr_ref->{'onunload'}=
&Apache::lonmenu::unloadevents().$on_unload;
} else {
$attr_ref->{'onload'} = $on_load;
$attr_ref->{'onunload'}= $on_unload;
}
}	}

my $attr_string;	my $attr_string;
Line 5716 ul.LC_breadcrumb_tools_outerlist li {	Line 6947 ul.LC_breadcrumb_tools_outerlist li {
float: right;	float: right;
}	}

	.LC_placement_prog {
	padding-right: 20px;
	font-weight: bold;
	font-size: 90%;
	}

table#LC_title_bar td {	table#LC_title_bar td {
background: $tabbg;	background: $tabbg;
}	}
Line 5806 td.LC_menubuttons_text {	Line 7043 td.LC_menubuttons_text {
background: $tabbg;	background: $tabbg;
}	}

	td.LC_zero_height {
	line-height: 0;
	cellpadding: 0;
	}

table.LC_data_table {	table.LC_data_table {
border: 1px solid #000000;	border: 1px solid #000000;
border-collapse: separate;	border-collapse: separate;
Line 6127 td.LC_parm_overview_restrictions {	Line 7369 td.LC_parm_overview_restrictions {
border-collapse: collapse;	border-collapse: collapse;
}	}

	span.LC_parm_recursive,
	td.LC_parm_recursive {
	font-weight: bold;
	font-size: smaller;
	}

table.LC_parm_overview_restrictions td {	table.LC_parm_overview_restrictions td {
border-width: 1px 4px 1px 4px;	border-width: 1px 4px 1px 4px;
border-style: solid;	border-style: solid;
Line 6396 table.LC_prior_tries td {	Line 7644 table.LC_prior_tries td {
padding: 6px;	padding: 6px;
}	}

.LC_answer_unknown {	.LC_answer_unknown,
	.LC_answer_warning {
background: orange;	background: orange;
color: black;	color: black;
padding: 6px;	padding: 6px;
Line 6478 table.LC_data_table tr > td.LC_docs_entr	Line 7727 table.LC_data_table tr > td.LC_docs_entr
color: #990000;	color: #990000;
}	}

	.LC_docs_alias {
	color: #440055;
	}

	.LC_domprefs_email,
	.LC_docs_alias_name,
.LC_docs_reinit_warn,	.LC_docs_reinit_warn,
.LC_docs_ext_edit {	.LC_docs_ext_edit {
font-size: x-small;	font-size: x-small;
Line 6593 div.LC_edit_problem_footer,	Line 7848 div.LC_edit_problem_footer,
div.LC_edit_problem_footer div,	div.LC_edit_problem_footer div,
div.LC_edit_problem_editxml_header,	div.LC_edit_problem_editxml_header,
div.LC_edit_problem_editxml_header div {	div.LC_edit_problem_editxml_header div {
margin-top: 5px;	z-index: 100;
}	}

div.LC_edit_problem_header_title {	div.LC_edit_problem_header_title {
Line 6609 table.LC_edit_problem_header_title {	Line 7864 table.LC_edit_problem_header_title {
background: $tabbg;	background: $tabbg;
}	}

div.LC_edit_problem_discards {	div.LC_edit_actionbar {
float: left;	background-color: $sidebg;
padding-bottom: 5px;	margin: 0;
	padding: 0;
	line-height: 200%;
}	}

div.LC_edit_problem_saves {	div.LC_edit_actionbar div{
float: right;	padding: 0;
padding-bottom: 5px;	margin: 0;
	display: inline-block;
}	}

.LC_edit_opt {	.LC_edit_opt {
Line 6632 div.LC_edit_problem_saves {	Line 7890 div.LC_edit_problem_saves {
margin-left: 40px;	margin-left: 40px;
}	}

	#LC_edit_problem_codemirror div{
	margin-left: 0px;
	}

img.stift {	img.stift {
border-width: 0;	border-width: 0;
vertical-align: middle;	vertical-align: middle;
Line 6750 fieldset > legend {	Line 8012 fieldset > legend {
ol.LC_primary_menu {	ol.LC_primary_menu {
margin: 0;	margin: 0;
padding: 0;	padding: 0;
background-color: $pgbg_or_bgcolor;
}	}

ol#LC_PathBreadcrumbs {	ol#LC_PathBreadcrumbs {
Line 6762 ol.LC_primary_menu li {	Line 8023 ol.LC_primary_menu li {
vertical-align: middle;	vertical-align: middle;
text-align: left;	text-align: left;
list-style: none;	list-style: none;
	position: relative;
float: left;	float: left;
	z-index: 100; /* will be displayed above codemirror and underneath the help-layer */
	line-height: 1.5em;
}	}

ol.LC_primary_menu li a {	ol.LC_primary_menu li a,
	ol.LC_primary_menu li p {
display: block;	display: block;
margin: 0;	margin: 0;
padding: 0 5px 0 10px;	padding: 0 5px 0 10px;
text-decoration: none;	text-decoration: none;
}	}

ol.LC_primary_menu li ul {	ol.LC_primary_menu li p span.LC_primary_menu_innertitle {
	display: inline-block;
	width: 95%;
	text-align: left;
	}

	ol.LC_primary_menu li p span.LC_primary_menu_innerarrow {
	display: inline-block;
	width: 5%;
	float: right;
	text-align: right;
	font-size: 70%;
	}

	ol.LC_primary_menu ul {
display: none;	display: none;
width: 10em;	width: 15em;
background-color: $data_table_light;	background-color: $data_table_light;
	position: absolute;
	top: 100%;
}	}

ol.LC_primary_menu li:hover ul, ol.LC_primary_menu li.hover ul {	ol.LC_primary_menu ul ul {
	left: 100%;
	top: 0;
	}

	ol.LC_primary_menu li:hover > ul, ol.LC_primary_menu li.hover > ul {
display: block;	display: block;
position: absolute;	position: absolute;
margin: 0;	margin: 0;
Line 6787 ol.LC_primary_menu li:hover ul, ol.LC_pr	Line 8073 ol.LC_primary_menu li:hover ul, ol.LC_pr
}	}

ol.LC_primary_menu li:hover li, ol.LC_primary_menu li.hover li {	ol.LC_primary_menu li:hover li, ol.LC_primary_menu li.hover li {
	/* First Submenu -> size should be smaller than the menu title of the whole menu */
font-size: 90%;	font-size: 90%;
vertical-align: top;	vertical-align: top;
float: none;	float: none;
border-left: 1px solid black;	border-left: 1px solid black;
border-right: 1px solid black;	border-right: 1px solid black;
	/* A dark bottom border to visualize different menu options;
	overwritten in the create_submenu routine for the last border-bottom of the menu */
	border-bottom: 1px solid $data_table_dark;
}	}

ol.LC_primary_menu li:hover li a, ol.LC_primary_menu li.hover li a {	ol.LC_primary_menu li li p:hover {
background-color:$data_table_light;	color:$button_hover;
	text-decoration:none;
	background-color:$data_table_dark;
}	}

ol.LC_primary_menu li li a:hover {	ol.LC_primary_menu li li a:hover {
Line 6803 ol.LC_primary_menu li li a:hover {	Line 8095 ol.LC_primary_menu li li a:hover {
background-color:$data_table_dark;	background-color:$data_table_dark;
}	}

	/* Font-size equal to the size of the predecessors*/
	ol.LC_primary_menu li:hover li li {
	font-size: 100%;
	}

ol.LC_primary_menu li img {	ol.LC_primary_menu li img {
vertical-align: bottom;	vertical-align: bottom;
height: 1.1em;	height: 1.1em;
Line 6859 ul#LC_secondary_menu li {	Line 8156 ul#LC_secondary_menu li {
font-weight: bold;	font-weight: bold;
line-height: 1.8em;	line-height: 1.8em;
border-right: 1px solid black;	border-right: 1px solid black;
vertical-align: middle;
float: left;	float: left;
}	}

Line 7228 a#LC_content_toolbar_edittoplevel {	Line 8524 a#LC_content_toolbar_edittoplevel {
background-image:url(/res/adm/pages/edittoplevel.gif);	background-image:url(/res/adm/pages/edittoplevel.gif);
}	}

	a#LC_content_toolbar_printout {
	background-image:url(/res/adm/pages/printout.gif);
	}

ul#LC_toolbar li a:hover {	ul#LC_toolbar li a:hover {
background-position: bottom center;	background-position: bottom center;
}	}
Line 7345 ul.LC_funclist li {	Line 8645 ul.LC_funclist li {
cursor:pointer;	cursor:pointer;
}	}

	.LCisDisabled {
	cursor: not-allowed;
	opacity: 0.5;
	}

	a[aria-disabled="true"] {
	color: currentColor;
	display: inline-block; /* For IE11/ MS Edge bug */
	pointer-events: none;
	text-decoration: none;
	}

	pre.LC_wordwrap {
	white-space: pre-wrap;
	white-space: -moz-pre-wrap;
	white-space: -pre-wrap;
	white-space: -o-pre-wrap;
	word-wrap: break-word;
	}

	/*
	styles used for response display
	*/
	div.LC_radiofoil, div.LC_rankfoil {
	margin: .5em 0em .5em 0em;
	}
	table.LC_itemgroup {
	margin-top: 1em;
	}

/*	/*
styles used by TTH when "Default set of options to pass to tth/m	styles used by TTH when "Default set of options to pass to tth/m
when converting TeX" in course settings has been set	when converting TeX" in course settings has been set
Line 7366 span.roman {font-family: serif; font-sty	Line 8696 span.roman {font-family: serif; font-sty
span.overacc2 {position: relative; left: .8em; top: -1.2ex;}	span.overacc2 {position: relative; left: .8em; top: -1.2ex;}
span.overacc1 {position: relative; left: .6em; top: -1.2ex;}	span.overacc1 {position: relative; left: .6em; top: -1.2ex;}

	/*
	sections with roles, for content only
	*/
	section[class^="role-"] {
	padding-left: 10px;
	padding-right: 5px;
	margin-top: 8px;
	margin-bottom: 8px;
	border: 1px solid #2A4;
	border-radius: 5px;
	box-shadow: 0px 1px 1px #BBB;
	}
	section[class^="role-"]>h1 {
	position: relative;
	margin: 0px;
	padding-top: 10px;
	padding-left: 40px;
	}
	section[class^="role-"]>h1:before {
	position: absolute;
	left: -5px;
	top: 5px;
	}
	section.role-activity>h1:before {
	content:url('/adm/daxe/images/section_icons/activity.png');
	}
	section.role-advice>h1:before {
	content:url('/adm/daxe/images/section_icons/advice.png');
	}
	section.role-bibliography>h1:before {
	content:url('/adm/daxe/images/section_icons/bibliography.png');
	}
	section.role-citation>h1:before {
	content:url('/adm/daxe/images/section_icons/citation.png');
	}
	section.role-conclusion>h1:before {
	content:url('/adm/daxe/images/section_icons/conclusion.png');
	}
	section.role-definition>h1:before {
	content:url('/adm/daxe/images/section_icons/definition.png');
	}
	section.role-demonstration>h1:before {
	content:url('/adm/daxe/images/section_icons/demonstration.png');
	}
	section.role-example>h1:before {
	content:url('/adm/daxe/images/section_icons/example.png');
	}
	section.role-explanation>h1:before {
	content:url('/adm/daxe/images/section_icons/explanation.png');
	}
	section.role-introduction>h1:before {
	content:url('/adm/daxe/images/section_icons/introduction.png');
	}
	section.role-method>h1:before {
	content:url('/adm/daxe/images/section_icons/method.png');
	}
	section.role-more_information>h1:before {
	content:url('/adm/daxe/images/section_icons/more_information.png');
	}
	section.role-objectives>h1:before {
	content:url('/adm/daxe/images/section_icons/objectives.png');
	}
	section.role-prerequisites>h1:before {
	content:url('/adm/daxe/images/section_icons/prerequisites.png');
	}
	section.role-remark>h1:before {
	content:url('/adm/daxe/images/section_icons/remark.png');
	}
	section.role-reminder>h1:before {
	content:url('/adm/daxe/images/section_icons/reminder.png');
	}
	section.role-summary>h1:before {
	content:url('/adm/daxe/images/section_icons/summary.png');
	}
	section.role-syntax>h1:before {
	content:url('/adm/daxe/images/section_icons/syntax.png');
	}
	section.role-warning>h1:before {
	content:url('/adm/daxe/images/section_icons/warning.png');
	}

	#LC_minitab_header {
	float:left;
	width:100%;
	background:#DAE0D2 url("/res/adm/pages/minitabmenu_bg.gif") repeat-x bottom;
	font-size:93%;
	line-height:normal;
	margin: 0.5em 0 0.5em 0;
	}
	#LC_minitab_header ul {
	margin:0;
	padding:10px 10px 0;
	list-style:none;
	}
	#LC_minitab_header li {
	float:left;
	background:url("/res/adm/pages/minitabmenu_left.gif") no-repeat left top;
	margin:0;
	padding:0 0 0 9px;
	}
	#LC_minitab_header a {
	display:block;
	background:url("/res/adm/pages/minitabmenu_right.gif") no-repeat right top;
	padding:5px 15px 4px 6px;
	}
	#LC_minitab_header #LC_current_minitab {
	background-image:url("/res/adm/pages/minitabmenu_left_on.gif");
	}
	#LC_minitab_header #LC_current_minitab a {
	background-image:url("/res/adm/pages/minitabmenu_right_on.gif");
	padding-bottom:5px;
	}


END	END
}	}

Line 7423 sub headtag {	Line 8867 sub headtag {
if (!$args->{'frameset'}) {	if (!$args->{'frameset'}) {
$result .= &Apache::lonhtmlcommon::htmlareaheaders();	$result .= &Apache::lonhtmlcommon::htmlareaheaders();
}	}
if ($args->{'force_register'}) {	if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {
$result .= &Apache::lonmenu::registerurl(1);	$result .= Apache::lonxml::display_title();
}	}
if (!$args->{'no_nav_bar'}	if (!$args->{'no_nav_bar'}
&& !$args->{'only_body'}	&& !$args->{'only_body'}
Line 7471 ADDMETA	Line 8915 ADDMETA
my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};	my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};
unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {	unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {
my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);	my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);
	my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
	my ($offload,$offloadoth);
if (ref($domdefs{'offloadnow'}) eq 'HASH') {	if (ref($domdefs{'offloadnow'}) eq 'HASH') {
my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
if ($domdefs{'offloadnow'}{$lonhost}) {	if ($domdefs{'offloadnow'}{$lonhost}) {
my $newserver = &Apache::lonnet::spareserver(30000,undef,1,$dom_in_use);	$offload = 1;
if (($newserver) && ($newserver ne $lonhost)) {	if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) &&
my $numsec = 5;	(!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) {
my $timeout = $numsec * 1000;	unless (&Apache::lonnet::shared_institution($env{'user.domain'})) {
my ($newurl,$locknum,%locks,$msg);	$offloadoth = 1;
if ($env{'request.role.adv'}) {	$dom_in_use = $env{'user.domain'};
($locknum,%locks) = &Apache::lonnet::get_locks();	}
}	}
my $disable_submit = 0;	}
if ($requrl =~ /$LONCAPA::assess_re/) {	}
$disable_submit = 1;	unless ($offload) {
}	if (ref($domdefs{'offloadoth'}) eq 'HASH') {
if ($locknum) {	if ($domdefs{'offloadoth'}{$lonhost}) {
my @lockinfo = sort(values(%locks));	if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) &&
$msg = &mt('Once the following tasks are complete: ')."\\n".	(!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) {
join(", ",sort(values(%locks)))."\\n".	unless (&Apache::lonnet::shared_institution($env{'user.domain'})) {
&mt('your session will be transferred to a different server, after you click "Roles".');	$offload = 1;
} else {	$offloadoth = 1;
if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {	$dom_in_use = $env{'user.domain'};
$msg = &mt('Your LON-CAPA submission has been recorded')."\\n";
}	}
$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);	}
$newurl = '/adm/switchserver?otherserver='.$newserver;	}
if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {	}
$newurl .= '&role='.$env{'request.role'};	}
	if ($offload) {
	my $newserver = &Apache::lonnet::spareserver(undef,30000,undef,1,$dom_in_use);
	if (($newserver eq '') && ($offloadoth)) {
	my @domains = &Apache::lonnet::current_machine_domains();
	if (($dom_in_use ne '') && (!grep(/^\Q$dom_in_use\E$/,@domains))) {
	($newserver) = &Apache::lonnet::choose_server($dom_in_use);
	}
	}
	if (($newserver) && ($newserver ne $lonhost)) {
	my $numsec = 5;
	my $timeout = $numsec * 1000;
	my ($newurl,$locknum,%locks,$msg);
	if ($env{'request.role.adv'}) {
	($locknum,%locks) = &Apache::lonnet::get_locks();
	}
	my $disable_submit = 0;
	if ($requrl =~ /$LONCAPA::assess_re/) {
	$disable_submit = 1;
	}
	if ($locknum) {
	my @lockinfo = sort(values(%locks));
	$msg = &mt('Once the following tasks are complete:')." \n".
	join(", ",sort(values(%locks)))."\n";
	if (&show_course()) {
	$msg .= &mt('your session will be transferred to a different server, after you click "Courses".');
	} else {
	$msg .= &mt('your session will be transferred to a different server, after you click "Roles".');
	}
	} else {
	if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {
	$msg = &mt('Your LON-CAPA submission has been recorded')."\n";
	}
	$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);
	$newurl = '/adm/switchserver?otherserver='.$newserver;
	if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {
	$newurl .= '&role='.$env{'request.role'};
	}
	if ($env{'request.symb'}) {
	my $shownsymb = &Apache::lonenc::check_encrypt($env{'request.symb'});
	if ($shownsymb =~ m{^/enc/}) {
	my $reqdmajor = 2;
	my $reqdminor = 11;
	my $reqdsubminor = 3;
	my $newserverrev = &Apache::lonnet::get_server_loncaparev('',$newserver);
	my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$newserver);
	my ($major,$minor,$subminor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.(\d+\|)[\w.\-]+\'?$/);
	if (($major eq '' && $minor eq '') \|\|
	(($reqdmajor > $major) \|\| (($reqdmajor == $major) && ($reqdminor > $minor)) \|\|
	(($reqdmajor == $major) && ($reqdminor == $minor) && (($subminor eq '') \|\|
	($reqdsubminor > $subminor))))) {
	undef($shownsymb);
	}
}	}
if ($env{'request.symb'}) {	if ($shownsymb) {
$newurl .= '&symb='.$env{'request.symb'};	&js_escape(\$shownsymb);
} else {	$newurl .= '&symb='.$shownsymb;
$newurl .= '&origurl='.$requrl;
}	}
	} else {
	my $shownurl = &Apache::lonenc::check_encrypt($requrl);
	&js_escape(\$shownurl);
	$newurl .= '&origurl='.$shownurl;
}	}
&js_escape(\$msg);	}
$result.=<<OFFLOAD	&js_escape(\$msg);
	$result.=<<OFFLOAD
<meta http-equiv="pragma" content="no-cache" />	<meta http-equiv="pragma" content="no-cache" />
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 7528 function LC_Offload_Now() {	Line 9028 function LC_Offload_Now() {
// ]]>	// ]]>
</script>	</script>
OFFLOAD	OFFLOAD
}
}	}
}	}
}	}
Line 7544 OFFLOAD	Line 9043 OFFLOAD
if (!$args->{'frameset'}) {	if (!$args->{'frameset'}) {
$result .= ' /';	$result .= ' /';
}	}
$result .= '>'	$result .= '>'
.$inhibitprint	.$inhibitprint
.$head_extra;	.$head_extra;
my $clientmobile;	my $clientmobile;
Line 7558 OFFLOAD	Line 9057 OFFLOAD
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">	<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
<meta name="apple-mobile-web-app-capable" content="yes" />';	<meta name="apple-mobile-web-app-capable" content="yes" />';
}	}
	$result .= '<meta name="google" content="notranslate" />'."\n";
return $result.'</head>';	return $result.'</head>';
}	}

Line 7576 sub font_settings {	Line 9076 sub font_settings {
my $headerstring='';	my $headerstring='';
if ((!$env{'browser.mathml'} && $env{'browser.unicode'}) \|\|	if ((!$env{'browser.mathml'} && $env{'browser.unicode'}) \|\|
((ref($args) eq 'HASH') && ($args->{'browser.unicode'}))) {	((ref($args) eq 'HASH') && ($args->{'browser.unicode'}))) {
$headerstring.=	$headerstring.=
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8"';	'<meta http-equiv="Content-Type" content="text/html; charset=utf-8"';
if (!$args->{'frameset'}) {	if (!$args->{'frameset'}) {
$headerstring.= ' /';	$headerstring.= ' /';
}	}
$headerstring .= '>'."\n";	$headerstring .= '>'."\n";
}	}
return $headerstring;	return $headerstring;
}	}
Line 7626 sub print_suppression {	Line 9126 sub print_suppression {
}	}
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $blocked = &blocking_status('printout',$cnum,$cdom,undef,1);	my $clientip = &Apache::lonnet::get_requestor_ip();
	my $blocked = &blocking_status('printout',$clientip,$cnum,$cdom,undef,1);
if ($blocked) {	if ($blocked) {
my $checkrole = "cm./$cdom/$cnum";	my $checkrole = "cm./$cdom/$cnum";
if ($env{'request.course.sec'} ne '') {	if ($env{'request.course.sec'} ne '') {
Line 7734 $args - additional optional args support	Line 9235 $args - additional optional args support
skip_phases -> hash ref of	skip_phases -> hash ref of
head -> skip the <html><head> generation	head -> skip the <html><head> generation
body -> skip all <body> generation	body -> skip all <body> generation
no_inline_link -> if true and in remote mode, don't show the
'Switch To Inline Menu' link
no_auto_mt_title -> prevent &mt()ing the title arg	no_auto_mt_title -> prevent &mt()ing the title arg
bread_crumbs -> Array containing breadcrumbs	bread_crumbs -> Array containing breadcrumbs
bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs	bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs
group -> includes the current group, if page is for a	bread_crumbs_nomenu -> if true will pass false as the value of $menulink
	to lonhtmlcommon::breadcrumbs
	group -> includes the current group, if page is for a
specific group	specific group
	use_absolute -> for request for external resource or syllabus, this
	will contain https://<hostname> if server uses
	https (as per hosts.tab), but request is for http
	hostname -> hostname, originally from $r->hostname(), (optional).
	links_disabled -> Links in primary and secondary menus are disabled
	(Can enable them once page has loaded - see lonroles.pm
	for an example).
	links_target -> Target for links, e.g., _parent (optional).

=back	=back

Line 7753 sub start_page {	Line 9262 sub start_page {
#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));	#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));

$env{'internal.start_page'}++;	$env{'internal.start_page'}++;
my ($result,@advtools);	my ($result,@advtools,$ltiscope,$ltiuri,%ltimenu,$menucoll,%menu);

if (! exists($args->{'skip_phases'}{'head'}) ) {	if (! exists($args->{'skip_phases'}{'head'}) ) {
$result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args);	$result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args);
}	}

	if (($env{'request.course.id'}) && ($env{'request.lti.login'})) {
	if ($env{'course.'.$env{'request.course.id'}.'.lti.override'}) {
	unless ($env{'course.'.$env{'request.course.id'}.'.lti.topmenu'}) {
	$args->{'no_primary_menu'} = 1;
	}
	unless ($env{'course.'.$env{'request.course.id'}.'.lti.inlinemenu'}) {
	$args->{'no_inline_menu'} = 1;
	}
	if ($env{'course.'.$env{'request.course.id'}.'.lti.lcmenu'}) {
	map { $ltimenu{$_} = 1; } split(/,/,$env{'course.'.$env{'request.course.id'}.'.lti.lcmenu'});
	}
	} else {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
	if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
	unless ($lti{$env{'request.lti.login'}}{'topmenu'}) {
	$args->{'no_primary_menu'} = 1;
	}
	unless ($lti{$env{'request.lti.login'}}{'inlinemenu'}) {
	$args->{'no_inline_menu'} = 1;
	}
	if (ref($lti{$env{'request.lti.login'}}{'lcmenu'}) eq 'ARRAY') {
	map { $ltimenu{$_} = 1; } @{$lti{$env{'request.lti.login'}}{'lcmenu'}};
	}
	}
	}
	($ltiscope,$ltiuri) = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});
	} elsif ($env{'request.course.id'}) {
	my $expiretime=600;
	if ((time-$env{'course.'.$env{'request.course.id'}.'.last_cache'}) > $expiretime) {
	&Apache::lonnet::coursedescription($env{'request.course.id'},{'freshen_cache' => 1});
	}
	my ($deeplinkmenu,$menuref);
	($menucoll,$deeplinkmenu,$menuref) = &menucoll_in_effect();
	if ($menucoll) {
	if (ref($menuref) eq 'HASH') {
	%menu = %{$menuref};
	}
	if ($menu{'top'} eq 'n') {
	$args->{'no_primary_menu'} = 1;
	}
	if ($menu{'inline'} eq 'n') {
	unless (&Apache::lonnet::allowed('opa')) {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $crstype = &course_type();
	my $now = time;
	my $ccrole;
	if ($crstype eq 'Community') {
	$ccrole = 'co';
	} else {
	$ccrole = 'cc';
	}
	if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) {
	my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum});
	if ((($start) && ($start<0)) \|\|
	(($end) && ($end<$now)) \|\|
	(($start) && ($now<$start))) {
	$args->{'no_inline_menu'} = 1;
	}
	} else {
	$args->{'no_inline_menu'} = 1;
	}
	}
	}
	}
	}

if (! exists($args->{'skip_phases'}{'body'}) ) {	if (! exists($args->{'skip_phases'}{'body'}) ) {
if ($args->{'frameset'}) {	if ($args->{'frameset'}) {
my $attr_string = &make_attr_string($args->{'force_register'},	my $attr_string = &make_attr_string($args->{'force_register'},
Line 7770 sub start_page {	Line 9349 sub start_page {
$args->{'function'}, $args->{'add_entries'},	$args->{'function'}, $args->{'add_entries'},
$args->{'only_body'}, $args->{'domain'},	$args->{'only_body'}, $args->{'domain'},
$args->{'force_register'}, $args->{'no_nav_bar'},	$args->{'force_register'}, $args->{'no_nav_bar'},
$args->{'bgcolor'}, $args->{'no_inline_link'},	$args->{'bgcolor'}, $args,
$args, \@advtools);	\@advtools,$ltiscope,$ltiuri,\%ltimenu,$menucoll,\%menu);
}	}
}	}

Line 7804 sub start_page {	Line 9383 sub start_page {
if (@advtools > 0) {	if (@advtools > 0) {
&Apache::lonmenu::advtools_crumbs(@advtools);	&Apache::lonmenu::advtools_crumbs(@advtools);
}	}
	my $menulink;
	# if arg: bread_crumbs_nomenu is true pass 0 as $menulink item.
	if ((exists($args->{'bread_crumbs_nomenu'})) \|\|
	($ltiscope eq 'map') \|\| ($ltiscope eq 'resource') \|\|
	((($args->{'crstype'} eq 'Placement') \|\| (($env{'request.course.id'}) &&
	($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement'))) &&
	(!$env{'request.role.adv'}))) {
	$menulink = 0;
	} else {
	undef($menulink);
	}
#if bread_crumbs_component exists show it as headline else show only the breadcrumbs	#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
if(exists($args->{'bread_crumbs_component'})){	if(exists($args->{'bread_crumbs_component'})){
$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});	$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'},'',$menulink);
}else{	} else {
$result .= &Apache::lonhtmlcommon::breadcrumbs();	$result .= &Apache::lonhtmlcommon::breadcrumbs('','',$menulink);
}	}
} elsif (($env{'environment.remote'} eq 'on') &&
($env{'form.inhibitmenu'} ne 'yes') &&
($env{'request.noversionuri'} =~ m{^/res/}) &&
($env{'request.noversionuri'} !~ m{^/res/adm/pages/})) {
$result .= '<div style="padding:0;margin:0;clear:both"><hr /></div>';
}	}
return $result;	return $result;
}	}
Line 7852 sub end_page {	Line 9436 sub end_page {
return $result;	return $result;
}	}

	sub menucoll_in_effect {
	my ($menucoll,$deeplinkmenu,%menu);
	if ($env{'request.course.id'}) {
	$menucoll = $env{'course.'.$env{'request.course.id'}.'.menudefault'};
	if ($env{'request.deeplink.login'}) {
	my ($deeplink_symb,$deeplink,$check_login_symb);
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	if ($env{'request.noversionuri'} =~ m{^/(res\|uploaded)/}) {
	if ($env{'request.noversionuri'} =~ /\.(page\|sequence)$/) {
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (ref($navmap)) {
	$deeplink = $navmap->get_mapparam(undef,
	&Apache::lonnet::declutter($env{'request.noversionuri'}),
	'0.deeplink');
	} else {
	$check_login_symb = 1;
	}
	} else {
	my $symb = &Apache::lonnet::symbread();
	if ($symb) {
	$deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$symb);
	} else {
	$check_login_symb = 1;
	}
	}
	} else {
	$check_login_symb = 1;
	}
	if ($check_login_symb) {
	$deeplink_symb = &deeplink_login_symb($cnum,$cdom);
	if ($deeplink_symb =~ /\.(page\|sequence)$/) {
	my $mapname = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (ref($navmap)) {
	$deeplink = $navmap->get_mapparam(undef,$mapname,'0.deeplink');
	}
	} else {
	$deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
	}
	}
	if ($deeplink ne '') {
	my ($state,$others,$listed,$scope,$protect,$display,$target) = split(/,/,$deeplink);
	if ($display =~ /^\d+$/) {
	$deeplinkmenu = 1;
	$menucoll = $display;
	}
	}
	}
	if ($menucoll) {
	%menu = &page_menu($env{'course.'.$env{'request.course.id'}.'.menucollections'},$menucoll);
	}
	}
	return ($menucoll,$deeplinkmenu,\%menu);
	}

	sub deeplink_login_symb {
	my ($cnum,$cdom) = @_;
	my $login_symb;
	if ($env{'request.deeplink.login'}) {
	$login_symb = &symb_from_tinyurl($env{'request.deeplink.login'},$cnum,$cdom);
	}
	return $login_symb;
	}

	sub symb_from_tinyurl {
	my ($url,$cnum,$cdom) = @_;
	if ($url =~ m{^\Q/tiny/$cdom/\E(\w+)$}) {
	my $key = $1;
	my ($tinyurl,$login);
	my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$cdom."\0".$key);
	if (defined($cached)) {
	$tinyurl = $result;
	} else {
	my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
	my %currtiny = &Apache::lonnet::get('tiny',[$key],$cdom,$configuname);
	if ($currtiny{$key} ne '') {
	$tinyurl = $currtiny{$key};
	&Apache::lonnet::do_cache_new('tiny',$cdom."\0".$key,$currtiny{$key},600);
	}
	}
	if ($tinyurl ne '') {
	my ($cnumreq,$symb) = split(/\&/,$tinyurl);
	if (wantarray) {
	return ($cnumreq,$symb);
	} elsif ($cnumreq eq $cnum) {
	return $symb;
	}
	}
	}
	if (wantarray) {
	return ();
	} else {
	return;
	}
	}

sub wishlist_window {	sub wishlist_window {
return(<<'ENDWISHLIST');	return(<<'ENDWISHLIST');
<script type="text/javascript">	<script type="text/javascript">
Line 7911 var modalWindow = {	Line 9592 var modalWindow = {
};	};
var openMyModal = function(source,width,height,scrolling,transparency,style)	var openMyModal = function(source,width,height,scrolling,transparency,style)
{	{
source = source.replace("'","'");	source = source.replace(/'/g,"'");
modalWindow.windowId = "myModal";	modalWindow.windowId = "myModal";
modalWindow.width = width;	modalWindow.width = width;
modalWindow.height = height;	modalWindow.height = height;
Line 7936 sub modal_link {	Line 9617 sub modal_link {
$target_attr = 'target="'.$target.'"';	$target_attr = 'target="'.$target.'"';
}	}
return <<"ENDLINK";	return <<"ENDLINK";
<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">	<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">$linktext</a>
$linktext</a>
ENDLINK	ENDLINK
}	}

sub modal_adhoc_script {	sub modal_adhoc_script {
my ($funcname,$width,$height,$content)=@_;	my ($funcname,$width,$height,$content,$possmathjax)=@_;
	my $mathjax;
	if ($possmathjax) {
	$mathjax = <<'ENDJAX';
	if (typeof MathJax == 'object') {
	MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
	}
	ENDJAX
	}
return (<<ENDADHOC);	return (<<ENDADHOC);
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 7953 sub modal_adhoc_script {	Line 9641 sub modal_adhoc_script {
modalWindow.height = $height;	modalWindow.height = $height;
modalWindow.content = '$content';	modalWindow.content = '$content';
modalWindow.open();	modalWindow.open();
	$mathjax
};	};
// ]]>	// ]]>
</script>	</script>
Line 7960 ENDADHOC	Line 9649 ENDADHOC
}	}

sub modal_adhoc_inner {	sub modal_adhoc_inner {
my ($funcname,$width,$height,$content)=@_;	my ($funcname,$width,$height,$content,$possmathjax)=@_;
my $innerwidth=$width-20;	my $innerwidth=$width-20;
$content=&js_ready(	$content=&js_ready(
&start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).	&start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).
&start_scrollbox($width.'px',$innerwidth.'px',$height.'px','myModal','#FFFFFF',undef,1).	&start_scrollbox($width.'px',$innerwidth.'px',$height.'px','myModal','#FFFFFF',undef,1).
$content.	$content.
&end_scrollbox().	&end_scrollbox().
&end_page()	&end_page()
);	);
return &modal_adhoc_script($funcname,$width,$height,$content);	return &modal_adhoc_script($funcname,$width,$height,$content,$possmathjax);
}	}

sub modal_adhoc_window {	sub modal_adhoc_window {
my ($funcname,$width,$height,$content,$linktext)=@_;	my ($funcname,$width,$height,$content,$linktext,$possmathjax)=@_;
return &modal_adhoc_inner($funcname,$width,$height,$content).	return &modal_adhoc_inner($funcname,$width,$height,$content,$possmathjax).
"<a href=\"javascript:$funcname();void(0);\">".$linktext."</a>";	"<a href=\"javascript:$funcname();void(0);\">".$linktext."</a>";
}	}

Line 8040 sub end_togglebox {	Line 9729 sub end_togglebox {
}	}

sub LCprogressbar_script {	sub LCprogressbar_script {
my ($id)=@_;	my ($id,$number_to_do)=@_;
return(<<ENDPROGRESS);	if ($number_to_do) {
	return(<<ENDPROGRESS);
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
\$('#progressbar$id').progressbar({	\$('#progressbar$id').progressbar({
Line 8054 sub LCprogressbar_script {	Line 9744 sub LCprogressbar_script {
// ]]>	// ]]>
</script>	</script>
ENDPROGRESS	ENDPROGRESS
	} else {
	return(<<ENDPROGRESS);
	<script type="text/javascript">
	// <![CDATA[
	\$('#progressbar$id').progressbar({
	value: false,
	create: function(event, ui) {
	\$('.ui-widget-header', this).css({'background':'#F0F0F0'});
	\$('.ui-progressbar-overlay', this).css({'margin':'0'});
	}
	});
	// ]]>
	</script>
	ENDPROGRESS
	}
}	}

sub LCprogressbarUpdate_script {	sub LCprogressbarUpdate_script {
return(<<ENDPROGRESSUPDATE);	return(<<ENDPROGRESSUPDATE);
<style type="text/css">	<style type="text/css">
.ui-progressbar { position:relative; }	.ui-progressbar { position:relative; }
	.progress-label {position: absolute; width: 100%; text-align: center; top: 1px; font-weight: bold; text-shadow: 1px 1px 0 #fff;margin: 0; line-height: 200%; }
.pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; }	.pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; }
</style>	</style>
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
var LCprogressTxt='---';	var LCprogressTxt='---';

function LCupdateProgress(percent,progresstext,id) {	function LCupdateProgress(percent,progresstext,id,maxnum) {
LCprogressTxt=progresstext;	LCprogressTxt=progresstext;
\$('#progressbar'+id).progressbar('value',percent);	if ((maxnum == '') \|\| (maxnum == undefined) \|\| (maxnum == null)) {
	\$('#progressbar'+id).find('.progress-label').text(LCprogressTxt);
	} else if (percent === \$('#progressbar'+id).progressbar( "value" )) {
	\$('#progressbar'+id).find('.pblabel').text(LCprogressTxt);
	} else {
	\$('#progressbar'+id).progressbar('value',percent);
	}
}	}
// ]]>	// ]]>
</script>	</script>
Line 8080 my $LCidcnt;	Line 9792 my $LCidcnt;
my $LCcurrentid;	my $LCcurrentid;

sub LCprogressbar {	sub LCprogressbar {
my ($r)=(@_);	my ($r,$number_to_do,$preamble)=@_;
$LClastpercent=0;	$LClastpercent=0;
$LCidcnt++;	$LCidcnt++;
$LCcurrentid=$$.'_'.$LCidcnt;	$LCcurrentid=$$.'_'.$LCidcnt;
my $starting=&mt('Starting');	my ($starting,$content);
my $content=(<<ENDPROGBAR);	if ($number_to_do) {
	$starting=&mt('Starting');
	$content=(<<ENDPROGBAR);
	$preamble
<div id="progressbar$LCcurrentid">	<div id="progressbar$LCcurrentid">
<span class="pblabel">$starting</span>	<span class="pblabel">$starting</span>
</div>	</div>
ENDPROGBAR	ENDPROGBAR
&r_print($r,$content.&LCprogressbar_script($LCcurrentid));	} else {
	$starting=&mt('Loading...');
	$LClastpercent='false';
	$content=(<<ENDPROGBAR);
	$preamble
	<div id="progressbar$LCcurrentid">
	<div class="progress-label">$starting</div>
	</div>
	ENDPROGBAR
	}
	&r_print($r,$content.&LCprogressbar_script($LCcurrentid,$number_to_do));
}	}

sub LCprogressbarUpdate {	sub LCprogressbarUpdate {
my ($r,$val,$text)=@_;	my ($r,$val,$text,$number_to_do)=@_;
unless ($val) {	if ($number_to_do) {
if ($LClastpercent) {	unless ($val) {
$val=$LClastpercent;	if ($LClastpercent) {
} else {	$val=$LClastpercent;
$val=0;	} else {
}	$val=0;
	}
	}
	if ($val<0) { $val=0; }
	if ($val>100) { $val=0; }
	$LClastpercent=$val;
	unless ($text) { $text=$val.'%'; }
	} else {
	$val = 'false';
}	}
if ($val<0) { $val=0; }
if ($val>100) { $val=0; }
$LClastpercent=$val;
unless ($text) { $text=$val.'%'; }
$text=&js_ready($text);	$text=&js_ready($text);
&r_print($r,<<ENDUPDATE);	&r_print($r,<<ENDUPDATE);
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
LCupdateProgress($val,'$text','$LCcurrentid');	LCupdateProgress($val,'$text','$LCcurrentid','$number_to_do');
// ]]>	// ]]>
</script>	</script>
ENDUPDATE	ENDUPDATE
Line 8295 function expand_div(caller) {	Line 10024 function expand_div(caller) {

sub simple_error_page {	sub simple_error_page {
my ($r,$title,$msg,$args) = @_;	my ($r,$title,$msg,$args) = @_;
	my %displayargs;
if (ref($args) eq 'HASH') {	if (ref($args) eq 'HASH') {
if (!$args->{'no_auto_mt_msg'}) { $msg = &mt($msg); }	if (!$args->{'no_auto_mt_msg'}) { $msg = &mt($msg); }
	if ($args->{'only_body'}) {
	$displayargs{'only_body'} = 1;
	}
	if ($args->{'no_nav_bar'}) {
	$displayargs{'no_nav_bar'} = 1;
	}
} else {	} else {
$msg = &mt($msg);	$msg = &mt($msg);
}	}

my $page =	my $page =
&Apache::loncommon::start_page($title).	&Apache::loncommon::start_page($title,'',\%displayargs).
'<p class="LC_error">'.$msg.'</p>'.	'<p class="LC_error">'.$msg.'</p>'.
&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
if (ref($r)) {	if (ref($r)) {
Line 8608 sub get_sections {	Line 10344 sub get_sections {
}	}
}	}

if ($check_students) {	if ($check_students) {
my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);	my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
my $sec_index = &Apache::loncoursedata::CL_SECTION();	my $sec_index = &Apache::loncoursedata::CL_SECTION();
my $status_index = &Apache::loncoursedata::CL_STATUS();	my $status_index = &Apache::loncoursedata::CL_STATUS();
Line 8930 Incoming parameters:	Line 10666 Incoming parameters:
2. user's domain	2. user's domain
3. quota name - portfolio, author, or course	3. quota name - portfolio, author, or course
(if no quota name provided, defaults to portfolio).	(if no quota name provided, defaults to portfolio).
4. crstype - official, unofficial, textbook or community, if quota name is	4. crstype - official, unofficial, textbook, placement or community,
course	if quota name is course

Returns:	Returns:
1. Disk quota (in MB) assigned to student.	1. Disk quota (in MB) assigned to student.
Line 9004 sub get_user_quota {	Line 10740 sub get_user_quota {
if ($quota eq '' \|\| wantarray) {	if ($quota eq '' \|\| wantarray) {
if ($quotaname eq 'course') {	if ($quotaname eq 'course') {
my %domdefs = &Apache::lonnet::get_domain_defaults($udom);	my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
if (($crstype eq 'official') \|\| ($crstype eq 'unofficial') \|\|	if (($crstype eq 'official') \|\| ($crstype eq 'unofficial') \|\|
($crstype eq 'community') \|\| ($crstype eq 'textbook')) {	($crstype eq 'community') \|\| ($crstype eq 'textbook') \|\|
	($crstype eq 'placement')) {
$defquota = $domdefs{$crstype.'quota'};	$defquota = $domdefs{$crstype.'quota'};
}	}
if ($defquota eq '') {	if ($defquota eq '') {
Line 9153 Inputs: 7	Line 10890 Inputs: 7
4. filename of file for which action is being requested	4. filename of file for which action is being requested
5. filesize (kB) of file	5. filesize (kB) of file
6. action being taken: copy or upload.	6. action being taken: copy or upload.
7. quotatype (in course context -- official, unofficial, community or textbook).	7. quotatype (in course context -- official, unofficial, textbook, placement or community).

Returns: 1 scalar: HTML to display containing warning if quota would be exceeded,	Returns: 1 scalar: HTML to display containing warning if quota would be exceeded,
otherwise return null.	otherwise return null.
Line 9189 sub excess_filesize_warning {	Line 10926 sub excess_filesize_warning {
###############################################	###############################################




sub get_secgrprole_info {	sub get_secgrprole_info {
my ($cdom,$cnum,$needroles,$type) = @_;	my ($cdom,$cnum,$needroles,$type) = @_;
my %sections_count = &get_sections($cdom,$cnum);	my %sections_count = &get_sections($cdom,$cnum);
Line 9227 sub get_secgrprole_info {	Line 10966 sub get_secgrprole_info {
}	}

sub user_picker {	sub user_picker {
my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;	my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context,$fixeddom,$noinstd) = @_;
my $currdom = $dom;	my $currdom = $dom;
	my @alldoms = &Apache::lonnet::all_domains();
	if (@alldoms == 1) {
	my %domsrch = &Apache::lonnet::get_dom('configuration',
	['directorysrch'],$alldoms[0]);
	my $domdesc = &Apache::lonnet::domain($alldoms[0],'description');
	my $showdom = $domdesc;
	if ($showdom eq '') {
	$showdom = $dom;
	}
	if (ref($domsrch{'directorysrch'}) eq 'HASH') {
	if ((!$domsrch{'directorysrch'}{'available'}) &&
	($domsrch{'directorysrch'}{'lcavailable'} eq '0')) {
	return (&mt('LON-CAPA directory search is not available in domain: [_1]',$showdom),0);
	}
	}
	}
my %curr_selected = (	my %curr_selected = (
srchin => 'dom',	srchin => 'dom',
srchby => 'lastname',	srchby => 'lastname',
Line 9275 sub user_picker {	Line 11030 sub user_picker {
);	);
&html_escape(\%html_lt);	&html_escape(\%html_lt);
&js_escape(\%js_lt);	&js_escape(\%js_lt);
my $domform = &select_dom_form($currdom,'srchdomain',1,1);	my $domform;
	my $allow_blank = 1;
	if ($fixeddom) {
	$allow_blank = 0;
	$domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1,undef,[$currdom]);
	} else {
	my $defdom = $env{'request.role.domain'};
	my ($trusted,$untrusted);
	if (($context eq 'requestcrs') \|\| ($context eq 'course')) {
	($trusted,$untrusted) = &Apache::lonnet::trusted_domains('enroll',$defdom);
	} elsif ($context eq 'author') {
	($trusted,$untrusted) = &Apache::lonnet::trusted_domains('othcoau',$defdom);
	} elsif ($context eq 'domain') {
	($trusted,$untrusted) = &Apache::lonnet::trusted_domains('domroles',$defdom);
	}
	$domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1,undef,$trusted,$untrusted);
	}
my $srchinsel = ' <select name="srchin">';	my $srchinsel = ' <select name="srchin">';

my @srchins = ('crs','dom','alc','instd');	my @srchins = ('crs','dom','alc','instd');
Line 9287 sub user_picker {	Line 11058 sub user_picker {
next if ($option eq 'alc');	next if ($option eq 'alc');
next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));	next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));
next if ($option eq 'crs' && !$env{'request.course.id'});	next if ($option eq 'crs' && !$env{'request.course.id'});
	next if (($option eq 'instd') && ($noinstd));
if ($curr_selected{'srchin'} eq $option) {	if ($curr_selected{'srchin'} eq $option) {
$srchinsel .= '	$srchinsel .= '
<option value="'.$option.'" selected="selected">'.$html_lt{$option}.'</option>';	<option value="'.$option.'" selected="selected">'.$html_lt{$option}.'</option>';
Line 9469 END_BLOCK	Line 11241 END_BLOCK
&Apache::lonhtmlcommon::row_closure(1).	&Apache::lonhtmlcommon::row_closure(1).
&Apache::lonhtmlcommon::end_pick_box().	&Apache::lonhtmlcommon::end_pick_box().
'<br />';	'<br />';
return $output;	return ($output,1);
}	}

sub user_rule_check {	sub user_rule_check {
Line 9478 sub user_rule_check {	Line 11250 sub user_rule_check {
if (ref($usershash) eq 'HASH') {	if (ref($usershash) eq 'HASH') {
if (keys(%{$usershash}) > 1) {	if (keys(%{$usershash}) > 1) {
my (%by_username,%by_id,%userdoms);	my (%by_username,%by_id,%userdoms);
my $checkid;	my $checkid;
if (ref($checks) eq 'HASH') {	if (ref($checks) eq 'HASH') {
if ((!defined($checks->{'username'})) && (defined($checks->{'id'}))) {	if ((!defined($checks->{'username'})) && (defined($checks->{'id'}))) {
$checkid = 1;	$checkid = 1;
Line 9489 sub user_rule_check {	Line 11261 sub user_rule_check {
if ($checkid) {	if ($checkid) {
if (ref($usershash->{$user}) eq 'HASH') {	if (ref($usershash->{$user}) eq 'HASH') {
if ($usershash->{$user}->{'id'} ne '') {	if ($usershash->{$user}->{'id'} ne '') {
$by_id{$udom}{$usershash->{$user}->{'id'}} = $uname;	$by_id{$udom}{$usershash->{$user}->{'id'}} = $uname;
$userdoms{$udom} = 1;	$userdoms{$udom} = 1;
if (ref($inst_results) eq 'HASH') {	if (ref($inst_results) eq 'HASH') {
$inst_results->{$uname.':'.$udom} = {};	$inst_results->{$uname.':'.$udom} = {};
Line 9559 sub user_rule_check {	Line 11331 sub user_rule_check {
if (ref($usershash->{$user}) eq 'HASH') {	if (ref($usershash->{$user}) eq 'HASH') {
if (ref($checks) eq 'HASH') {	if (ref($checks) eq 'HASH') {
if (defined($checks->{'username'})) {	if (defined($checks->{'username'})) {
($inst_response{$user},%{$inst_results->{$user}}) =	($inst_response{$user},%{$inst_results->{$user}}) =
&Apache::lonnet::get_instuser($udom,$uname);	&Apache::lonnet::get_instuser($udom,$uname);
} elsif (defined($checks->{'id'})) {	} elsif (defined($checks->{'id'})) {
if ($usershash->{$user}->{'id'} ne '') {	if ($usershash->{$user}->{'id'} ne '') {
Line 9582 sub user_rule_check {	Line 11354 sub user_rule_check {
if (ref($domconfig{'usercreation'}) eq 'HASH') {	if (ref($domconfig{'usercreation'}) eq 'HASH') {
foreach my $item ('username','id') {	foreach my $item ('username','id') {
if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {	if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
$$curr_rules{$udom}{$item} =	$$curr_rules{$udom}{$item} =
$domconfig{'usercreation'}{$item.'_rule'};	$domconfig{'usercreation'}{$item.'_rule'};
}	}
}	}
Line 9605 sub user_rule_check {	Line 11377 sub user_rule_check {
$id = $inst_results->{$user}->{'id'};	$id = $inst_results->{$user}->{'id'};
}	}
}	}
if ($id eq '') {	if ($id eq '') {
if (ref($usershash->{$user})) {	if (ref($usershash->{$user})) {
$id = $usershash->{$user}->{'id'};	$id = $usershash->{$user}->{'id'};
}	}
Line 9766 sub sorted_inst_types {	Line 11538 sub sorted_inst_types {
}	}

sub get_institutional_codes {	sub get_institutional_codes {
my ($settings,$allcourses,$LC_code) = @_;	my ($cdom,$crs,$settings,$allcourses,$LC_code) = @_;
# Get complete list of course sections to update	# Get complete list of course sections to update
my @currsections = ();	my @currsections = ();
my @currxlists = ();	my @currxlists = ();
	my (%unclutteredsec,%unclutteredlcsec);
my $coursecode = $$settings{'internal.coursecode'};	my $coursecode = $$settings{'internal.coursecode'};
	my $crskey = $crs.':'.$coursecode;
	@{$unclutteredsec{$crskey}} = ();
	@{$unclutteredlcsec{$crskey}} = ();

if ($$settings{'internal.sectionnums'} ne '') {	if ($$settings{'internal.sectionnums'} ne '') {
@currsections = split(/,/,$$settings{'internal.sectionnums'});	@currsections = split(/,/,$$settings{'internal.sectionnums'});
Line 9781 sub get_institutional_codes {	Line 11557 sub get_institutional_codes {
}	}

if (@currxlists > 0) {	if (@currxlists > 0) {
foreach (@currxlists) {	foreach my $xl (@currxlists) {
if (m/^([^:]+):(\w*)$/) {	if ($xl =~ /^([^:]+):(\w*)$/) {
unless (grep/^$1$/,@{$allcourses}) {	unless (grep/^$1$/,@{$allcourses}) {
push @{$allcourses},$1;	push(@{$allcourses},$1);
$$LC_code{$1} = $2;	$$LC_code{$1} = $2;
}	}
}	}
}	}
}	}

if (@currsections > 0) {	if (@currsections > 0) {
foreach (@currsections) {	foreach my $sec (@currsections) {
if (m/^(\w+):(\w*)$/) {	if ($sec =~ m/^(\w+):(\w*)$/ ) {
my $sec = $coursecode.$1;	my $instsec = $1;
my $lc_sec = $2;	my $lc_sec = $2;
unless (grep/^$sec$/,@{$allcourses}) {	unless (grep/^\Q$instsec\E$/,@{$unclutteredsec{$crskey}}) {
push @{$allcourses},$sec;	push(@{$unclutteredsec{$crskey}},$instsec);
$$LC_code{$sec} = $lc_sec;	push(@{$unclutteredlcsec{$crskey}},$lc_sec);
	}
	}
	}
	}

	if (@{$unclutteredsec{$crskey}} > 0) {
	my %formattedsec = &Apache::lonnet::auto_instsec_reformat($cdom,'clutter',\%unclutteredsec);
	if ((ref($formattedsec{$crskey}) eq 'ARRAY') && (ref($unclutteredlcsec{$crskey}) eq 'ARRAY')) {
	for (my $i=0; $i<@{$formattedsec{$crskey}}; $i++) {
	my $sec = $coursecode.$formattedsec{$crskey}[$i];
	unless (grep/^\Q$sec\E$/,@{$allcourses}) {
	push(@{$allcourses},$sec);
	$$LC_code{$sec} = $unclutteredlcsec{$crskey}[$i];
}	}
}	}
}	}
Line 9907 future_reservable - ref to hash of stude	Line 11696 future_reservable - ref to hash of stude

Keys in inner hash are:	Keys in inner hash are:
(a) symb: either blank or symb to which slot use is restricted.	(a) symb: either blank or symb to which slot use is restricted.
(b) startreserve: start date of reservation period.	(b) startreserve: start date of reservation period.
(c) uniqueperiod: start,end dates when slot is to be uniquely	(c) uniqueperiod: start,end dates when slot is to be uniquely
selected.	selected.

Line 9917 future_reservable - ref to hash of stude	Line 11706 future_reservable - ref to hash of stude

sub get_future_slots {	sub get_future_slots {
my ($cnum,$cdom,$now,$symb) = @_;	my ($cnum,$cdom,$now,$symb) = @_;
	my $map;
	if ($symb) {
	($map) = &Apache::lonnet::decode_symb($symb);
	}
my (%reservable_now,%future_reservable,@sorted_reservable,@sorted_future);	my (%reservable_now,%future_reservable,@sorted_reservable,@sorted_future);
my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);	my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
foreach my $slot (keys(%slots)) {	foreach my $slot (keys(%slots)) {
next unless($slots{$slot}->{'type'} eq 'schedulable_student');	next unless($slots{$slot}->{'type'} eq 'schedulable_student');
if ($symb) {	if ($symb) {
next if (($slots{$slot}->{'symb'} ne '') &&	if ($slots{$slot}->{'symb'} ne '') {
($slots{$slot}->{'symb'} ne $symb));	my $canuse;
	my %oksymbs;
	my @slotsymbs = split(/\s,\s/,$slots{$slot}->{'symb'});
	map { $oksymbs{$_} = 1; } @slotsymbs;
	if ($oksymbs{$symb}) {
	$canuse = 1;
	} else {
	foreach my $item (@slotsymbs) {
	if ($item =~ /\.(page\|sequence)$/) {
	(undef,undef,my $sloturl) = &Apache::lonnet::decode_symb($item);
	if (($map ne '') && ($map eq $sloturl)) {
	$canuse = 1;
	last;
	}
	}
	}
	}
	next unless ($canuse);
	}
}	}
if (($slots{$slot}->{'starttime'} > $now) &&	if (($slots{$slot}->{'starttime'} > $now) &&
($slots{$slot}->{'endtime'} > $now)) {	($slots{$slot}->{'endtime'} > $now)) {
Line 9976 sub get_future_slots {	Line 11787 sub get_future_slots {
$reservable_now{$slot} = {	$reservable_now{$slot} = {
symb => $symb,	symb => $symb,
endreserve => $lastres,	endreserve => $lastres,
uniqueperiod => $uniqueperiod,	uniqueperiod => $uniqueperiod,
};	};
} elsif (($startreserve > $now) &&	} elsif (($startreserve > $now) &&
(!$endreserve \|\| $endreserve > $startreserve)) {	(!$endreserve \|\| $endreserve > $startreserve)) {
Line 10141 sub get_env_multiple {	Line 11952 sub get_env_multiple {
return(@values);	return(@values);
}	}

	# Looks at given dependencies, and returns something depending on the context.
	# For coursedocs paste, returns (undef, $counter, $numpathchg, \%existing).
	# For syllabus rewrites, returns (undef, $counter, $numpathchg, \%existing, \%mapping).
	# For all other contexts, returns ($output, $counter, $numpathchg).
	# $output: string with the HTML output. Can contain missing dependencies with an upload form, existing dependencies, and dependencies no longer in use.
	# $counter: integer with the number of existing dependencies when no HTML output is returned, and the number of missing dependencies when an HTML output is returned.
	# $numpathchg: integer with the number of cleaned up dependency paths.
	# \%existing: hash reference clean path -> 1 only for existing dependencies.
	# \%mapping: hash reference clean path -> original path for all dependencies.
	# @param {string} actionurl - The path to the handler, indicative of the context.
	# @param {string} state - Can contain HTML with hidden inputs that will be added to the output form.
	# @param {hash reference} allfiles - List of file info from lonnet::extract_embedded_items
	# @param {hash reference} codebase - undef, not modified by lonnet::extract_embedded_items ?
	# @param {hash reference} args - More parameters ! Possible keys: error_on_invalid_names (boolean), ignore_remote_references (boolean), current_path (string), docs_url (string), docs_title (string), context (string)
	# @return {Array} - array depending on the context (not a reference)
sub ask_for_embedded_content {	sub ask_for_embedded_content {
	# NOTE: documentation was added afterwards, it could be wrong
my ($actionurl,$state,$allfiles,$codebase,$args)=@_;	my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,	my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,
%currsubfile,%unused,$rem);	%currsubfile,%unused,$rem);
Line 10157 sub ask_for_embedded_content {	Line 11984 sub ask_for_embedded_content {
my $heading = &mt('Upload embedded files');	my $heading = &mt('Upload embedded files');
my $buttontext = &mt('Upload');	my $buttontext = &mt('Upload');

	# fills these variables based on the context:
	# $navmap, $cdom, $cnum, $udom, $uname, $url, $toplevel, $getpropath,
	# $path, $fileloc, $title, $rem, $filename
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
if ($actionurl eq '/adm/dependencies') {	if ($actionurl eq '/adm/dependencies') {
$navmap = Apache::lonnavmaps::navmap->new();	$navmap = Apache::lonnavmaps::navmap->new();
Line 10164 sub ask_for_embedded_content {	Line 11994 sub ask_for_embedded_content {
$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};	$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};	$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
}	}
if (($actionurl eq '/adm/portfolio') \|\|	if (($actionurl eq '/adm/portfolio') \|\|
($actionurl eq '/adm/coursegrp_portfolio')) {	($actionurl eq '/adm/coursegrp_portfolio')) {
my $current_path='/';	my $current_path='/';
if ($env{'form.currentpath'}) {	if ($env{'form.currentpath'}) {
Line 10196 sub ask_for_embedded_content {	Line 12026 sub ask_for_embedded_content {
$toplevel = $url;	$toplevel = $url;
if ($args->{'context'} eq 'paste') {	if ($args->{'context'} eq 'paste') {
($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});	($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
($path) =	($path) =
($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs\|supplemental)/(?:default\|\d+)/\d+)/});	($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs\|supplemental)/(?:default\|\d+)/\d+)/});
$fileloc = &Apache::lonnet::filelocation('',$toplevel);	$fileloc = &Apache::lonnet::filelocation('',$toplevel);
$fileloc =~ s{^/}{};	$fileloc =~ s{^/}{};
}	}
}	}
} elsif ($actionurl eq '/adm/dependencies') {	} elsif ($actionurl eq '/adm/dependencies') {
if ($env{'request.course.id'} ne '') {	if ($env{'request.course.id'} ne '') {
if (ref($args) eq 'HASH') {	if (ref($args) eq 'HASH') {
$url = $args->{'docs_url'};	$url = $args->{'docs_url'};
$title = $args->{'docs_title'};	$title = $args->{'docs_title'};
$toplevel = $url;	$toplevel = $url;
unless ($toplevel =~ m{^/}) {	unless ($toplevel =~ m{^/}) {
$toplevel = "/$url";	$toplevel = "/$url";
}	}
Line 10241 sub ask_for_embedded_content {	Line 12071 sub ask_for_embedded_content {
$fileloc = &Apache::lonnet::filelocation('',$toplevel).'/';	$fileloc = &Apache::lonnet::filelocation('',$toplevel).'/';
$fileloc =~ s{^/}{};	$fileloc =~ s{^/}{};
}	}

	# parses the dependency paths to get some info
	# fills $newfiles, $mapping, $subdependencies, $dependencies
	# $newfiles: hash URL -> 1 for new files or external URLs
	# (will be completed later)
	# $mapping:
	# for external URLs: external URL -> external URL
	# for relative paths: clean path -> original path
	# $subdependencies: hash clean path -> clean file name -> 1 for relative paths in subdirectories
	# $dependencies: hash clean or not file name -> 1 for relative paths not in subdirectories
foreach my $file (keys(%{$allfiles})) {	foreach my $file (keys(%{$allfiles})) {
my $embed_file;	my $embed_file;
if (($path eq "/uploaded/$cdom/$cnum/portfolio/syllabus") && ($file =~ m{^\Q$path/\E(.+)$})) {	if (($path eq "/uploaded/$cdom/$cnum/portfolio/syllabus") && ($file =~ m{^\Q$path/\E(.+)$})) {
Line 10283 sub ask_for_embedded_content {	Line 12123 sub ask_for_embedded_content {
}	}
}	}
}	}

	# looks for all existing files in dependency subdirectories (from $subdependencies filled above)
	# and lists
	# fills $currsubfile, $pathchanges, $existing, $numexisting, $newfiles, $unused
	# $currsubfile: hash clean path -> file name -> 1 for all existing files in the path
	# $pathchanges: hash clean path -> 1 if the file in subdirectory exists and
	# the path had to be cleaned up
	# $existing: hash clean path -> 1 if the file exists
	# $numexisting: number of keys in $existing
	# $newfiles: updated with clean path -> 1 for files in subdirectories that do not exist
	# $unused: only for /adm/dependencies, hash clean path -> 1 for existing files in
	# dependency subdirectories that are
	# not listed as dependencies, with some exceptions using $rem
my $dirptr = 16384;	my $dirptr = 16384;
foreach my $path (keys(%subdependencies)) {	foreach my $path (keys(%subdependencies)) {
$currsubfile{$path} = {};	$currsubfile{$path} = {};
if (($actionurl eq '/adm/portfolio') \|\|	if (($actionurl eq '/adm/portfolio') \|\|
($actionurl eq '/adm/coursegrp_portfolio')) {	($actionurl eq '/adm/coursegrp_portfolio')) {
my ($sublistref,$listerror) =	my ($sublistref,$listerror) =
&Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);	&Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
if (ref($sublistref) eq 'ARRAY') {	if (ref($sublistref) eq 'ARRAY') {
Line 10358 sub ask_for_embedded_content {	Line 12211 sub ask_for_embedded_content {
}	}
}	}
}	}

	# fills $currfile, hash file name -> 1 or [$size,$mtime]
	# for files in $url or $fileloc (target directory) in some contexts
my %currfile;	my %currfile;
if (($actionurl eq '/adm/portfolio') \|\|	if (($actionurl eq '/adm/portfolio') \|\|
($actionurl eq '/adm/coursegrp_portfolio')) {	($actionurl eq '/adm/coursegrp_portfolio')) {
Line 10396 sub ask_for_embedded_content {	Line 12252 sub ask_for_embedded_content {
}	}
}	}
}	}
	# updates $pathchanges, $existing, $numexisting, $newfiles and $unused for files that
	# are not in subdirectories, using $currfile
foreach my $file (keys(%dependencies)) {	foreach my $file (keys(%dependencies)) {
if (exists($currfile{$file})) {	if (exists($currfile{$file})) {
unless ($mapping{$file} eq $file) {	unless ($mapping{$file} eq $file) {
Line 10424 sub ask_for_embedded_content {	Line 12282 sub ask_for_embedded_content {
$unused{$file} = 1;	$unused{$file} = 1;
}	}
}	}

	# returns some results for coursedocs paste and syllabus rewrites ($output is undef)
if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&	if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
($args->{'context'} eq 'paste')) {	($args->{'context'} eq 'paste')) {
$counter = scalar(keys(%existing));	$counter = scalar(keys(%existing));
$numpathchg = scalar(keys(%pathchanges));	$numpathchg = scalar(keys(%pathchanges));
return ($output,$counter,$numpathchg,\%existing);	return ($output,$counter,$numpathchg,\%existing);
} elsif (($actionurl eq "/public/$cdom/$cnum/syllabus") &&	} elsif (($actionurl eq "/public/$cdom/$cnum/syllabus") &&
(ref($args) eq 'HASH') && ($args->{'context'} eq 'rewrites')) {	(ref($args) eq 'HASH') && ($args->{'context'} eq 'rewrites')) {
$counter = scalar(keys(%existing));	$counter = scalar(keys(%existing));
$numpathchg = scalar(keys(%pathchanges));	$numpathchg = scalar(keys(%pathchanges));
return ($output,$counter,$numpathchg,\%existing,\%mapping);	return ($output,$counter,$numpathchg,\%existing,\%mapping);
}	}

	# returns HTML otherwise, with dependency results and to ask for more uploads

	# $upload_output: missing dependencies (with upload form)
	# $modify_output: uploaded dependencies (in use)
	# $delete_output: files no longer in use (unused files are not listed for londocs, bug?)
foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {	foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
if ($actionurl eq '/adm/dependencies') {	if ($actionurl eq '/adm/dependencies') {
next if ($embed_file =~ m{^\w+://});	next if ($embed_file =~ m{^\w+://});
Line 10658 sub ask_for_embedded_content {	Line 12524 sub ask_for_embedded_content {

Performs clean-up of directories, subdirectories and filename in an	Performs clean-up of directories, subdirectories and filename in an
embedded object, referenced in an HTML file which is being uploaded	embedded object, referenced in an HTML file which is being uploaded
to a course or portfolio, where	to a course or portfolio, where
"Upload embedded images/multimedia files if HTML file" checkbox was	"Upload embedded images/multimedia files if HTML file" checkbox was
checked.	checked.

Line 10677 sub clean_path {	Line 12543 sub clean_path {
@contents = ($embed_file);	@contents = ($embed_file);
}	}
my $lastidx = scalar(@contents)-1;	my $lastidx = scalar(@contents)-1;
for (my $i=0; $i<=$lastidx; $i++) {	for (my $i=0; $i<=$lastidx; $i++) {
$contents[$i]=~s{\\}{/}g;	$contents[$i]=~s{\\}{/}g;
$contents[$i]=~s/\s+/\_/g;	$contents[$i]=~s/\s+/\_/g;
$contents[$i]=~s{[^/\w\.\-]}{}g;	$contents[$i]=~s{[^/\w\.\-]}{}g;
Line 11016 sub modify_html_refs {	Line 12882 sub modify_html_refs {
}	}
my (%allfiles,%codebase,$output,$content);	my (%allfiles,%codebase,$output,$content);
my @changes = &get_env_multiple('form.namechange');	my @changes = &get_env_multiple('form.namechange');
unless ((@changes > 0) \|\| ($context eq 'syllabus')) {	unless ((@changes > 0) \|\| ($context eq 'syllabus')) {
if (wantarray) {	if (wantarray) {
return ('',0,0);	return ('',0,0);
} else {	} else {
Line 11048 sub modify_html_refs {	Line 12914 sub modify_html_refs {
return;	return;
}	}
}	}
if (open(my $fh,"<$container")) {	if (open(my $fh,'<',$container)) {
$content = join('', <$fh>);	$content = join('', <$fh>);
close($fh);	close($fh);
} else {	} else {
Line 11113 sub modify_html_refs {	Line 12979 sub modify_html_refs {
}	}
}	}
} else {	} else {
if (open(my $fh,">$container")) {	if (open(my $fh,'>',$container)) {
print $fh $content;	print $fh $content;
close($fh);	close($fh);
$output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',	$output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
Line 11151 sub modify_html_refs {	Line 13017 sub modify_html_refs {
}	}
}	}
if ($rewrites) {	if ($rewrites) {
my $saveresult;	my $saveresult;
my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);	my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
if ($url eq $container) {	if ($url eq $container) {
my ($fname) = ($container =~ m{/([^/]+)$});	my ($fname) = ($container =~ m{/([^/]+)$});
Line 11630 sub decompress_uploaded_file {	Line 13496 sub decompress_uploaded_file {

sub process_decompression {	sub process_decompression {
my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;	my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
	unless (($dir_root eq '/userfiles') && ($destination =~ m{^(docs\|supplemental)/(default\|\d+)/\d+$})) {
	return '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
	&mt('Unexpected file path.').'</p>'."\n";
	}
	unless (($docudom =~ /^$match_domain$/) && ($docuname =~ /^$match_courseid$/)) {
	return '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
	&mt('Unexpected course context.').'</p>'."\n";
	}
	unless ($file eq &Apache::lonnet::clean_filename($file)) {
	return '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
	&mt('Filename contained unexpected characters.').'</p>'."\n";
	}
my ($dir,$error,$warning,$output);	my ($dir,$error,$warning,$output);
if ($file !~ /\.(zip\|tar\|bz2\|gz\|tar.gz\|tar.bz2\|tgz)$/i) {	if ($file !~ /\.(zip\|tar\|bz2\|gz\|tar.gz\|tar.bz2\|tgz)$/i) {
$error = &mt('Filename not a supported archive file type.').	$error = &mt('Filename not a supported archive file type.').
Line 11664 sub process_decompression {	Line 13542 sub process_decompression {
}	}
}	}
my $numskip = scalar(@to_skip);	my $numskip = scalar(@to_skip);
if (($numskip > 0) &&	my $numoverwrite = scalar(@to_overwrite);
($numskip == $env{'form.archive_itemcount'})) {	if (($numskip) && (!$numoverwrite)) {
$warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');	$warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');
} elsif ($dir eq '') {	} elsif ($dir eq '') {
$error = &mt('Directory containing archive file unavailable.');	$error = &mt('Directory containing archive file unavailable.');
} elsif (!$error) {	} elsif (!$error) {
my ($decompressed,$display);	my ($decompressed,$display);
if ($numskip > 0) {	if (($numskip) \|\| ($numoverwrite)) {
my $tempdir = time.'_'.$$.int(rand(10000));	my $tempdir = time.'_'.$$.int(rand(10000));
mkdir("$dir/$tempdir",0755);	mkdir("$dir/$tempdir",0755);
system("mv $dir/$file $dir/$tempdir/$file");	if (&File::Copy::move("$dir/$file","$dir/$tempdir/$file")) {
($decompressed,$display) =	($decompressed,$display) =
&decompress_uploaded_file($file,"$dir/$tempdir");	&decompress_uploaded_file($file,"$dir/$tempdir");
foreach my $item (@to_skip) {	foreach my $item (@to_skip) {
if (($item ne '') && ($item !~ /\.\./)) {	if (($item ne '') && ($item !~ /\.\./)) {
if (-f "$dir/$tempdir/$item") {	if (-f "$dir/$tempdir/$item") {
unlink("$dir/$tempdir/$item");	unlink("$dir/$tempdir/$item");
} elsif (-d "$dir/$tempdir/$item") {	} elsif (-d "$dir/$tempdir/$item") {
system("rm -rf $dir/$tempdir/$item");	&File::Path::remove_tree("$dir/$tempdir/$item",{ safe => 1 });
	}
	}
	}
	foreach my $item (@to_overwrite) {
	if ((-e "$dir/$tempdir/$item") && (-e "$dir/$item")) {
	if (($item ne '') && ($item !~ /\.\./)) {
	if (-f "$dir/$item") {
	unlink("$dir/$item");
	} elsif (-d "$dir/$item") {
	&File::Path::remove_tree("$dir/$item",{ safe => 1 });
	}
	&File::Copy::move("$dir/$tempdir/$item","$dir/$item");
	}
}	}
}	}
	if (&File::Copy::move("$dir/$tempdir/$file","$dir/$file")) {
	&File::Path::remove_tree("$dir/$tempdir",{ safe => 1 });
	}
}	}
system("mv $dir/$tempdir/* $dir");
rmdir("$dir/$tempdir");
} else {	} else {
($decompressed,$display) =	($decompressed,$display) =
&decompress_uploaded_file($file,$dir);	&decompress_uploaded_file($file,$dir);
Line 11705 sub process_decompression {	Line 13597 sub process_decompression {
if (ref($newdirlistref) eq 'ARRAY') {	if (ref($newdirlistref) eq 'ARRAY') {
foreach my $dir_line (@{$newdirlistref}) {	foreach my $dir_line (@{$newdirlistref}) {
my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);	my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
unless (($item =~ /^\.+$/) \|\| ($item eq $file) \|\|	unless (($item =~ /^\.+$/) \|\| ($item eq $file)) {
((@to_skip > 0) && (grep(/^\Q$item\E$/,@to_skip)))) {
push(@newitems,$item);	push(@newitems,$item);
if ($dirptr&$testdir) {	if ($dirptr&$testdir) {
$is_dir{$item} = 1;	$is_dir{$item} = 1;
Line 11761 sub process_decompression {	Line 13652 sub process_decompression {
$env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};	$env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};
$displayed{'folder'} = $i;	$displayed{'folder'} = $i;
} elsif ((($item eq "$contents[0]/index.html") && ($version == 6)) \|\|	} elsif ((($item eq "$contents[0]/index.html") && ($version == 6)) \|\|
(($item eq "$contents[0]/$contents[0]".'.html') && ($version == 8))) {	(($item eq "$contents[0]/$contents[0]".'.html') && ($version == 8))) {
$env{'form.archive_'.$i} = 'display';	$env{'form.archive_'.$i} = 'display';
$env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};	$env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};
$displayed{'web'} = $i;	$displayed{'web'} = $i;
Line 12191 END	Line 14082 END
sub process_extracted_files {	sub process_extracted_files {
my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;	my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
my $numitems = $env{'form.archive_count'};	my $numitems = $env{'form.archive_count'};
return unless ($numitems);	return if ((!$numitems) \|\| ($numitems =~ /\D/));
my @ids=&Apache::lonnet::current_machine_ids();	my @ids=&Apache::lonnet::current_machine_ids();
my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,	my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
%folders,%containers,%mapinner,%prompttofetch);	%folders,%containers,%mapinner,%prompttofetch);
Line 12204 sub process_extracted_files {	Line 14095 sub process_extracted_files {
} else {	} else {
$prefix = $Apache::lonnet::perlvar{'lonDocRoot'};	$prefix = $Apache::lonnet::perlvar{'lonDocRoot'};
$pathtocheck = "$dir_root/$docudom/$docuname/$destination";	$pathtocheck = "$dir_root/$docudom/$docuname/$destination";
$dir = "$dir_root/$docudom/$docuname";	$dir = "$dir_root/$docudom/$docuname";
}	}
my $currdir = "$dir_root/$destination";	my $currdir = "$dir_root/$destination";
(my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs\|supplemental)/(\w+)/});	(my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs\|supplemental)/(\w+)/});
Line 12213 sub process_extracted_files {	Line 14104 sub process_extracted_files {
$folders{'0'} = $items[-2];	$folders{'0'} = $items[-2];
if ($env{'form.folderpath'} =~ /\:1$/) {	if ($env{'form.folderpath'} =~ /\:1$/) {
$containers{'0'}='page';	$containers{'0'}='page';
} else {	} else {
$containers{'0'}='sequence';	$containers{'0'}='sequence';
}	}
}	}
Line 12293 sub process_extracted_files {	Line 14184 sub process_extracted_files {
'.'.$containers{$outer},1,1);	'.'.$containers{$outer},1,1);
$newseqid{$i} = $newidx;	$newseqid{$i} = $newidx;
unless ($errtext) {	unless ($errtext) {
$result .= '<li>'.&mt('Folder: [_1] added to course',$docstitle).'</li>'."\n";	$result .= '<li>'.&mt('Folder: [_1] added to course',
	&HTML::Entities::encode($docstitle,'<>&"')).
	'</li>'."\n";
}	}
}	}
} else {	} else {
Line 12302 sub process_extracted_files {	Line 14195 sub process_extracted_files {
my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.	my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
$docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.	$docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.
$title;	$title;
if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {	if (($outer !~ /\D/) && ($mapinner{$outer} !~ /\D/) && ($newidx !~ /\D/)) {
mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);	if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
}	mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
}
if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
$newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
unless ($ishome) {
my $fetch = "$newdest{$i}/$title";
$fetch =~ s/^\Q$prefix$dir\E//;
$prompttofetch{$fetch} = 1;
}	}
}	if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
$LONCAPA::map::resources[$newidx]=	mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
$docstitle.':'.$url.':false:normal:res';	}
push(@LONCAPA::map::order, $newidx);	if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
my ($outtext,$errtext)=	if (rename("$prefix$path","$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title")) {
&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.	$newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
$docuname.'/'.$folders{$outer}.	unless ($ishome) {
'.'.$containers{$outer},1,1);	my $fetch = "$newdest{$i}/$title";
unless ($errtext) {	$fetch =~ s/^\Q$prefix$dir\E//;
if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {	$prompttofetch{$fetch} = 1;
$result .= '<li>'.&mt('File: [_1] added to course',$docstitle).'</li>'."\n";	}
	}
	}
	$LONCAPA::map::resources[$newidx]=
	$docstitle.':'.$url.':false:normal:res';
	push(@LONCAPA::map::order, $newidx);
	my ($outtext,$errtext)=
	&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
	$docuname.'/'.$folders{$outer}.
	'.'.$containers{$outer},1,1);
	unless ($errtext) {
	if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
	$result .= '<li>'.&mt('File: [_1] added to course',
	&HTML::Entities::encode($docstitle,'<>&"')).
	'</li>'."\n";
	}
}	}
	} else {
	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',
	&HTML::Entities::encode($path,'<>&"')).'<br />';
}	}
}	}
}	}
}	}
} else {	} else {
$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',
	&HTML::Entities::encode($path,'<>&"')).'<br />';
}	}
}	}
for (my $i=1; $i<=$numitems; $i++) {	for (my $i=1; $i<=$numitems; $i++) {
Line 12355 sub process_extracted_files {	Line 14257 sub process_extracted_files {
}	}
if ($itemidx eq '') {	if ($itemidx eq '') {
$itemidx = 0;	$itemidx = 0;
}	}
if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {	if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
if ($mapinner{$referrer{$i}}) {	if ($mapinner{$referrer{$i}}) {
$fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";	$fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
Line 12394 sub process_extracted_files {	Line 14296 sub process_extracted_files {
}	}
if ($fullpath ne '') {	if ($fullpath ne '') {
if (-e "$prefix$path") {	if (-e "$prefix$path") {
system("mv $prefix$path $fullpath/$title");	unless (rename("$prefix$path","$fullpath/$title")) {
	$warning .= &mt('Failed to rename dependency').'<br />';
	}
}	}
if (-e "$fullpath/$title") {	if (-e "$fullpath/$title") {
my $showpath;	my $showpath;
Line 12402 sub process_extracted_files {	Line 14306 sub process_extracted_files {
$showpath = "$relpath/$title";	$showpath = "$relpath/$title";
} else {	} else {
$showpath = "/$title";	$showpath = "/$title";
	}
	$result .= '<li>'.&mt('[_1] included as a dependency',
	&HTML::Entities::encode($showpath,'<>&"')).
	'</li>'."\n";
	unless ($ishome) {
	my $fetch = "$fullpath/$title";
	$fetch =~ s/^\Q$prefix$dir\E//;
	$prompttofetch{$fetch} = 1;
}	}
$result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
}
unless ($ishome) {
my $fetch = "$fullpath/$title";
$fetch =~ s/^\Q$prefix$dir\E//;
$prompttofetch{$fetch} = 1;
}	}
}	}
}	}
} elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {	} elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {
$warning .= &mt('[_1] is a dependency of [_2], which was discarded.',	$warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
$path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';	&HTML::Entities::encode($path,'<>&"'),
	&HTML::Entities::encode($env{'form.archive_content_'.$referrer{$i}},'<>&"')).
	'<br />';
}	}
} else {	} else {
$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',
	&HTML::Entities::encode($path)).'<br />';
}	}
}	}
if (keys(%todelete)) {	if (keys(%todelete)) {
Line 12691 sub upfile_store {	Line 14600 sub upfile_store {
$env{'form.upfile'}=~s/\n+/\n/gs;	$env{'form.upfile'}=~s/\n+/\n/gs;
$env{'form.upfile'}=~s/\n+$//gs;	$env{'form.upfile'}=~s/\n+$//gs;

my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.	my $datatoken = &valid_datatoken($env{'user.name'}.'_'.$env{'user.domain'}.
'_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;	'_enroll_'.$env{'request.course.id'}.'_'.
	time.'_'.$$);
	return if ($datatoken eq '');

{	{
my $datafile = $r->dir_config('lonDaemons').	my $datafile = $r->dir_config('lonDaemons').
'/tmp/'.$datatoken.'.tmp';	'/tmp/'.$datatoken.'.tmp';
if ( open(my $fh,">$datafile") ) {	if ( open(my $fh,'>',$datafile) ) {
print $fh $env{'form.upfile'};	print $fh $env{'form.upfile'};
close($fh);	close($fh);
}	}
Line 12706 sub upfile_store {	Line 14618 sub upfile_store {

=pod	=pod

=item * &load_tmp_file($r)	=item * &load_tmp_file($r,$datatoken)

Load uploaded file from tmp, $r should be the HTTP Request object,	Load uploaded file from tmp, $r should be the HTTP Request object,
needs $env{'form.datatoken'},	$datatoken is the name to assign to the temporary file.
sets $env{'form.upfile'} to the contents of the file	sets $env{'form.upfile'} to the contents of the file

=cut	=cut

sub load_tmp_file {	sub load_tmp_file {
my $r=shift;	my ($r,$datatoken) = @_;
	return if ($datatoken eq '');
my @studentdata=();	my @studentdata=();
{	{
my $studentfile = $r->dir_config('lonDaemons').	my $studentfile = $r->dir_config('lonDaemons').
'/tmp/'.$env{'form.datatoken'}.'.tmp';	'/tmp/'.$datatoken.'.tmp';
if ( open(my $fh,"<$studentfile") ) {	if ( open(my $fh,'<',$studentfile) ) {
@studentdata=<$fh>;	@studentdata=<$fh>;
close($fh);	close($fh);
}	}
Line 12728 sub load_tmp_file {	Line 14641 sub load_tmp_file {
$env{'form.upfile'}=join('',@studentdata);	$env{'form.upfile'}=join('',@studentdata);
}	}

	sub valid_datatoken {
	my ($datatoken) = @_;
	if ($datatoken =~ /^$match_username\_$match_domain\_enroll_(\|$match_domain\_$match_courseid)\_\d+_\d+$/) {
	return $datatoken;
	}
	return;
	}

=pod	=pod

=item * &upfile_record_sep()	=item * &upfile_record_sep()
Line 13168 sub DrawBarGraph {	Line 15089 sub DrawBarGraph {
@Labels = @$labels;	@Labels = @$labels;
} else {	} else {
for (my $i=0;$i<@{$Values[0]};$i++) {	for (my $i=0;$i<@{$Values[0]};$i++) {
push (@Labels,$i+1);	push(@Labels,$i+1);
}	}
}	}
#	#
Line 13607 generated by lonerrorhandler.pm, CHECKRP	Line 15528 generated by lonerrorhandler.pm, CHECKRP
lonsupportreq.pm, loncoursequeueadmin.pm, searchcat.pl respectively.	lonsupportreq.pm, loncoursequeueadmin.pm, searchcat.pl respectively.

Inputs:	Inputs:
defmail (scalar - email address of default recipient),	defmail (scalar - email address of default recipient),
mailing type (scalar: errormail, packagesmail, helpdeskmail,	mailing type (scalar: errormail, packagesmail, helpdeskmail,
requestsmail, updatesmail, or idconflictsmail).	requestsmail, updatesmail, or idconflictsmail).

defdom (domain for which to retrieve configuration settings),	defdom (domain for which to retrieve configuration settings),

origmail (scalar - email address of recipient from loncapa.conf,	origmail (scalar - email address of recipient from loncapa.conf,
i.e., predates configuration by DC via domainprefs.pm	i.e., predates configuration by DC via domainprefs.pm

	$requname username of requester (if mailing type is helpdeskmail)

	$requdom domain of requester (if mailing type is helpdeskmail)

	$reqemail e-mail address of requester (if mailing type is helpdeskmail)


Returns: comma separated list of addresses to which to send e-mail.	Returns: comma separated list of addresses to which to send e-mail.

=back	=back
Line 13625 Returns: comma separated list of address	Line 15553 Returns: comma separated list of address
############################################################	############################################################
############################################################	############################################################
sub build_recipient_list {	sub build_recipient_list {
my ($defmail,$mailing,$defdom,$origmail) = @_;	my ($defmail,$mailing,$defdom,$origmail,$requname,$requdom,$reqemail) = @_;
my @recipients;	my @recipients;
my $otheremails;	my ($otheremails,$lastresort,$allbcc,$addtext);
my %domconfig =	my %domconfig =
&Apache::lonnet::get_dom('configuration',['contacts'],$defdom);	&Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
if (ref($domconfig{'contacts'}) eq 'HASH') {	if (ref($domconfig{'contacts'}) eq 'HASH') {
if (exists($domconfig{'contacts'}{$mailing})) {	if (exists($domconfig{'contacts'}{$mailing})) {
if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {	if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
Line 13641 sub build_recipient_list {	Line 15569 sub build_recipient_list {
push(@recipients,$addr);	push(@recipients,$addr);
}	}
}	}
$otheremails = $domconfig{'contacts'}{$mailing}{'others'};	}
	$otheremails = $domconfig{'contacts'}{$mailing}{'others'};
	if ($mailing eq 'helpdeskmail') {
	if ($domconfig{'contacts'}{$mailing}{'bcc'}) {
	my @bccs = split(/,/,$domconfig{'contacts'}{$mailing}{'bcc'});
	my @ok_bccs;
	foreach my $bcc (@bccs) {
	$bcc =~ s/^\s+//g;
	$bcc =~ s/\s+$//g;
	if ($bcc =~ m/^[^\@]+\@[^\@]+$/) {
	if (!(grep(/^\Q$bcc\E$/,@ok_bccs))) {
	push(@ok_bccs,$bcc);
	}
	}
	}
	if (@ok_bccs > 0) {
	$allbcc = join(', ',@ok_bccs);
	}
	}
	$addtext = $domconfig{'contacts'}{$mailing}{'include'};
}	}
}	}
} elsif ($origmail ne '') {	} elsif ($origmail ne '') {
push(@recipients,$origmail);	$lastresort = $origmail;
	}
	if ($mailing eq 'helpdeskmail') {
	if ((ref($domconfig{'contacts'}{'overrides'}) eq 'HASH') &&
	(keys(%{$domconfig{'contacts'}{'overrides'}}))) {
	my ($inststatus,$inststatus_checked);
	if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '') &&
	($env{'user.domain'} ne 'public')) {
	$inststatus_checked = 1;
	$inststatus = $env{'environment.inststatus'};
	}
	unless ($inststatus_checked) {
	if (($requname ne '') && ($requdom ne '')) {
	if (($requname =~ /^$match_username$/) &&
	($requdom =~ /^$match_domain$/) &&
	(&Apache::lonnet::domain($requdom))) {
	my $requhome = &Apache::lonnet::homeserver($requname,
	$requdom);
	unless ($requhome eq 'no_host') {
	my %userenv = &Apache::lonnet::userenvironment($requdom,$requname,'inststatus');
	$inststatus = $userenv{'inststatus'};
	$inststatus_checked = 1;
	}
	}
	}
	}
	unless ($inststatus_checked) {
	if ($reqemail =~ /^[^\@]+\@[^\@]+$/) {
	my %srch = (srchby => 'email',
	srchdomain => $defdom,
	srchterm => $reqemail,
	srchtype => 'exact');
	my %srch_results = &Apache::lonnet::usersearch(\%srch);
	foreach my $uname (keys(%srch_results)) {
	if (ref($srch_results{$uname}{'inststatus'}) eq 'ARRAY') {
	$inststatus = join(',',@{$srch_results{$uname}{'inststatus'}});
	$inststatus_checked = 1;
	last;
	}
	}
	unless ($inststatus_checked) {
	my ($dirsrchres,%srch_results) = &Apache::lonnet::inst_directory_query(\%srch);
	if ($dirsrchres eq 'ok') {
	foreach my $uname (keys(%srch_results)) {
	if (ref($srch_results{$uname}{'inststatus'}) eq 'ARRAY') {
	$inststatus = join(',',@{$srch_results{$uname}{'inststatus'}});
	$inststatus_checked = 1;
	last;
	}
	}
	}
	}
	}
	}
	if ($inststatus ne '') {
	foreach my $status (split(/\:/,$inststatus)) {
	if (ref($domconfig{'contacts'}{'overrides'}{$status}) eq 'HASH') {
	my @contacts = ('adminemail','supportemail');
	foreach my $item (@contacts) {
	if ($domconfig{'contacts'}{'overrides'}{$status}{$item}) {
	my $addr = $domconfig{'contacts'}{'overrides'}{$status};
	if (!grep(/^\Q$addr\E$/,@recipients)) {
	push(@recipients,$addr);
	}
	}
	}
	$otheremails = $domconfig{'contacts'}{'overrides'}{$status}{'others'};
	if ($domconfig{'contacts'}{'overrides'}{$status}{'bcc'}) {
	my @bccs = split(/,/,$domconfig{'contacts'}{'overrides'}{$status}{'bcc'});
	my @ok_bccs;
	foreach my $bcc (@bccs) {
	$bcc =~ s/^\s+//g;
	$bcc =~ s/\s+$//g;
	if ($bcc =~ m/^[^\@]+\@[^\@]+$/) {
	if (!(grep(/^\Q$bcc\E$/,@ok_bccs))) {
	push(@ok_bccs,$bcc);
	}
	}
	}
	if (@ok_bccs > 0) {
	$allbcc = join(', ',@ok_bccs);
	}
	}
	$addtext = $domconfig{'contacts'}{'overrides'}{$status}{'include'};
	last;
	}
	}
	}
	}
}	}
} elsif ($origmail ne '') {	} elsif ($origmail ne '') {
push(@recipients,$origmail);	$lastresort = $origmail;
	}
	if (($mailing eq 'helpdeskmail') && ($lastresort ne '')) {
	unless (grep(/^\Q$defdom\E$/,&Apache::lonnet::current_machine_domains())) {
	my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
	my $machinedom = $Apache::lonnet::perlvar{'lonDefDomain'};
	my %what = (
	perlvar => 1,
	);
	my $primary = &Apache::lonnet::domain($defdom,'primary');
	if ($primary) {
	my $gotaddr;
	my ($result,$returnhash) =
	&Apache::lonnet::get_remote_globals($primary,{ perlvar => 1 });
	if (($result eq 'ok') && (ref($returnhash) eq 'HASH')) {
	if ($returnhash->{'lonSupportEMail'} =~ /^[^\@]+\@[^\@]+$/) {
	$lastresort = $returnhash->{'lonSupportEMail'};
	$gotaddr = 1;
	}
	}
	unless ($gotaddr) {
	my $uintdom = &Apache::lonnet::internet_dom($primary);
	my $intdom = &Apache::lonnet::internet_dom($lonhost);
	unless ($uintdom eq $intdom) {
	my %domconfig =
	&Apache::lonnet::get_dom('configuration',['contacts'],$machinedom);
	if (ref($domconfig{'contacts'}) eq 'HASH') {
	if (ref($domconfig{'contacts'}{'otherdomsmail'}) eq 'HASH') {
	my @contacts = ('adminemail','supportemail');
	foreach my $item (@contacts) {
	if ($domconfig{'contacts'}{'otherdomsmail'}{$item}) {
	my $addr = $domconfig{'contacts'}{$item};
	if (!grep(/^\Q$addr\E$/,@recipients)) {
	push(@recipients,$addr);
	}
	}
	}
	if ($domconfig{'contacts'}{'otherdomsmail'}{'others'}) {
	$otheremails = $domconfig{'contacts'}{'otherdomsmail'}{'others'};
	}
	if ($domconfig{'contacts'}{'otherdomsmail'}{'bcc'}) {
	my @bccs = split(/,/,$domconfig{'contacts'}{'otherdomsmail'}{'bcc'});
	my @ok_bccs;
	foreach my $bcc (@bccs) {
	$bcc =~ s/^\s+//g;
	$bcc =~ s/\s+$//g;
	if ($bcc =~ m/^[^\@]+\@[^\@]+$/) {
	if (!(grep(/^\Q$bcc\E$/,@ok_bccs))) {
	push(@ok_bccs,$bcc);
	}
	}
	}
	if (@ok_bccs > 0) {
	$allbcc = join(', ',@ok_bccs);
	}
	}
	$addtext = $domconfig{'contacts'}{'otherdomsmail'}{'include'};
	}
	}
	}
	}
	}
	}
}	}
if (defined($defmail)) {	if (defined($defmail)) {
if ($defmail ne '') {	if ($defmail ne '') {
Line 13668 sub build_recipient_list {	Line 15765 sub build_recipient_list {
}	}
}	}
}	}
my $recipientlist = join(',',@recipients);	if ($mailing eq 'helpdeskmail') {
return $recipientlist;	if ((!@recipients) && ($lastresort ne '')) {
	push(@recipients,$lastresort);
	}
	} elsif ($lastresort ne '') {
	if (!grep(/^\Q$lastresort\E$/,@recipients)) {
	push(@recipients,$lastresort);
	}
	}
	my $recipientlist = join(',',@recipients);
	if (wantarray) {
	return ($recipientlist,$allbcc,$addtext);
	} else {
	return $recipientlist;
	}
	}

	############################################################
	############################################################

	=pod

	=over 4

	=item * &mime_email()

	Sends an email with a possible attachment

	Inputs:

	=over 4

	from - Sender's email address

	replyto - Reply-To email address

	to - Email address of recipient

	subject - Subject of email

	body - Body of email

	cc_string - Carbon copy email address

	bcc - Blind carbon copy email address

	attachment_path - Path of file to be attached

	file_name - Name of file to be attached

	attachment_text - The body of an attachment of type "TEXT"

	=back

	=back

	=cut

	############################################################
	############################################################

	sub mime_email {
	my ($from,$replyto,$to,$subject,$body,$cc_string,$bcc,$attachment_path,
	$file_name,$attachment_text) = @_;

	my $msg = MIME::Lite->new(
	From => $from,
	To => $to,
	Subject => $subject,
	Type =>'TEXT',
	Data => $body,
	);
	if ($replyto ne '') {
	$msg->add("Reply-To" => $replyto);
	}
	if ($cc_string ne '') {
	$msg->add("Cc" => $cc_string);
	}
	if ($bcc ne '') {
	$msg->add("Bcc" => $bcc);
	}
	$msg->attr("content-type" => "text/plain");
	$msg->attr("content-type.charset" => "UTF-8");
	# Attach file if given
	if ($attachment_path) {
	unless ($file_name) {
	if ($attachment_path =~ m-/([^/]+)$-) { $file_name = $1; }
	}
	my ($type, $encoding) = MIME::Types::by_suffix($attachment_path);
	$msg->attach(Type => $type,
	Path => $attachment_path,
	Filename => $file_name
	);
	# Otherwise attach text if given
	} elsif ($attachment_text) {
	$msg->attach(Type => 'TEXT',
	Data => $attachment_text);
	}
	# Send it
	$msg->send('sendmail');
}	}

############################################################	############################################################
Line 13760 jsarray (reference to array of categorie	Line 15955 jsarray (reference to array of categorie
subcats (reference to hash of arrays containing all subcategories within each	subcats (reference to hash of arrays containing all subcategories within each
category, -recursive)	category, -recursive)

	maxd (reference to hash used to hold max depth for all top-level categories).

Returns: nothing	Returns: nothing

Side effects: populates trails and allitems hash references.	Side effects: populates trails and allitems hash references.
Line 13767 Side effects: populates trails and allit	Line 15964 Side effects: populates trails and allit
=cut	=cut

sub extract_categories {	sub extract_categories {
my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;	my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats,$maxd) = @_;
if (ref($categories) eq 'HASH') {	if (ref($categories) eq 'HASH') {
&gather_categories($categories,$cats,$idx,$jsarray);	&gather_categories($categories,$cats,$idx,$jsarray);
if (ref($cats->[0]) eq 'ARRAY') {	if (ref($cats->[0]) eq 'ARRAY') {
Line 13779 sub extract_categories {	Line 15976 sub extract_categories {
$trailstr = &mt('Official courses (with institutional codes)');	$trailstr = &mt('Official courses (with institutional codes)');
} elsif ($name eq 'communities') {	} elsif ($name eq 'communities') {
$trailstr = &mt('Communities');	$trailstr = &mt('Communities');
	} elsif ($name eq 'placement') {
	$trailstr = &mt('Placement Tests');
} else {	} else {
$trailstr = $name;	$trailstr = $name;
}	}
Line 13793 sub extract_categories {	Line 15992 sub extract_categories {
if (ref($subcats) eq 'HASH') {	if (ref($subcats) eq 'HASH') {
push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');	push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
}	}
&recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);	&recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats,$maxd);
}	}
} else {	} else {
if (ref($subcats) eq 'HASH') {	if (ref($subcats) eq 'HASH') {
$subcats->{$item} = [];	$subcats->{$item} = [];
}	}
	if (ref($maxd) eq 'HASH') {
	$maxd->{$name} = 1;
	}
}	}
}	}
}	}
Line 13836 Side effects: populates trails and allit	Line 16038 Side effects: populates trails and allit
=cut	=cut

sub recurse_categories {	sub recurse_categories {
my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;	my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats,$maxd) = @_;
my $shallower = $depth - 1;	my $shallower = $depth - 1;
if (ref($cats->[$depth]{$category}) eq 'ARRAY') {	if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {	for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
my $name = $cats->[$depth]{$category}[$k];	my $name = $cats->[$depth]{$category}[$k];
my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;	my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
my $trailstr = join(' -> ',(@{$parents},$category));	my $trailstr = join(' » ',(@{$parents},$category));
if ($allitems->{$item} eq '') {	if ($allitems->{$item} eq '') {
push(@{$trails},$trailstr);	push(@{$trails},$trailstr);
$allitems->{$item} = scalar(@{$trails})-1;	$allitems->{$item} = scalar(@{$trails})-1;
Line 13863 sub recurse_categories {	Line 16065 sub recurse_categories {
}	}
}	}
&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,	&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
$subcats);	$subcats,$maxd);
pop(@{$parents});	pop(@{$parents});
}	}
} else {	} else {
my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;	my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
my $trailstr = join(' -> ',(@{$parents},$category));	my $trailstr = join(' » ',(@{$parents},$category));
if ($allitems->{$item} eq '') {	if ($allitems->{$item} eq '') {
push(@{$trails},$trailstr);	push(@{$trails},$trailstr);
$allitems->{$item} = scalar(@{$trails})-1;	$allitems->{$item} = scalar(@{$trails})-1;
}	}
	if (ref($maxd) eq 'HASH') {
	if ($depth > $maxd->{$parents->[0]}) {
	$maxd->{$parents->[0]} = $depth;
	}
	}
}	}
return;	return;
}	}
Line 13893 currcat - scalar with an & separated lis	Line 16100 currcat - scalar with an & separated lis

type - scalar contains course type (Course or Community).	type - scalar contains course type (Course or Community).

	disabled - scalar (optional) contains disabled="disabled" if input elements are
	to be readonly (e.g., Domain Helpdesk role viewing course settings).

Returns: $output (markup to be displayed)	Returns: $output (markup to be displayed)

=cut	=cut

sub assign_categories_table {	sub assign_categories_table {
my ($cathash,$currcat,$type) = @_;	my ($cathash,$currcat,$type,$disabled) = @_;
my $output;	my $output;
if (ref($cathash) eq 'HASH') {	if (ref($cathash) eq 'HASH') {
my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);	my (@cats,@trails,%allitems,%idx,@jsarray,%maxd,@path,$maxdepth);
&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);	&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray,\%maxd);
$maxdepth = scalar(@cats);	$maxdepth = scalar(@cats);
if (@cats > 0) {	if (@cats > 0) {
my $itemcount = 0;	my $itemcount = 0;
Line 13917 sub assign_categories_table {	Line 16127 sub assign_categories_table {
next if ($parent eq 'instcode');	next if ($parent eq 'instcode');
if ($type eq 'Community') {	if ($type eq 'Community') {
next unless ($parent eq 'communities');	next unless ($parent eq 'communities');
	} elsif ($type eq 'Placement') {
	next unless ($parent eq 'placement');
} else {	} else {
next if ($parent eq 'communities');	next if (($parent eq 'communities') \|\| ($parent eq 'placement'));
}	}
my $css_class = $itemcount%2?' class="LC_odd_row"':'';	my $css_class = $itemcount%2?' class="LC_odd_row"':'';
my $item = &escape($parent).'::0';	my $item = &escape($parent).'::0';
Line 13931 sub assign_categories_table {	Line 16143 sub assign_categories_table {
my $parent_title = $parent;	my $parent_title = $parent;
if ($parent eq 'communities') {	if ($parent eq 'communities') {
$parent_title = &mt('Communities');	$parent_title = &mt('Communities');
	} elsif ($parent eq 'placement') {
	$parent_title = &mt('Placement Tests');
}	}
$table .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.	$table .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
'<input type="checkbox" name="usecategory" value="'.	'<input type="checkbox" name="usecategory" value="'.
$item.'"'.$checked.' />'.$parent_title.'</span>'.	$item.'"'.$checked.$disabled.' />'.$parent_title.'</span>'.
'<input type="hidden" name="catname" value="'.$parent.'" /></td>';	'<input type="hidden" name="catname" value="'.$parent.'" /></td>';
my $depth = 1;	my $depth = 1;
push(@path,$parent);	push(@path,$parent);
$table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);	$table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories,$disabled);
pop(@path);	pop(@path);
$table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';	$table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
$itemcount ++;	$itemcount ++;
Line 13977 path - Array containing all categories b	Line 16191 path - Array containing all categories b

currcategories - reference to array of current categories assigned to the course	currcategories - reference to array of current categories assigned to the course

	disabled - scalar (optional) contains disabled="disabled" if input elements are
	to be readonly (e.g., Domain Helpdesk role viewing course settings).

Returns: $output (markup to be displayed).	Returns: $output (markup to be displayed).

=cut	=cut

sub assign_category_rows {	sub assign_category_rows {
my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;	my ($itemcount,$cats,$depth,$parent,$path,$currcategories,$disabled) = @_;
my ($text,$name,$item,$chgstr);	my ($text,$name,$item,$chgstr);
if (ref($cats) eq 'ARRAY') {	if (ref($cats) eq 'ARRAY') {
my $maxdepth = scalar(@{$cats});	my $maxdepth = scalar(@{$cats});
Line 14005 sub assign_category_rows {	Line 16222 sub assign_category_rows {
}	}
$text .= '<tr><td><span class="LC_nobreak"><label>'.	$text .= '<tr><td><span class="LC_nobreak"><label>'.
'<input type="checkbox" name="usecategory" value="'.	'<input type="checkbox" name="usecategory" value="'.
$item.'"'.$checked.' />'.$name.'</label></span>'.	$item.'"'.$checked.$disabled.' />'.$name.'</label></span>'.
'<input type="hidden" name="catname" value="'.$name.'" />'.	'<input type="hidden" name="catname" value="'.$name.'" />'.
'</td><td>';	'</td><td>';
if (ref($path) eq 'ARRAY') {	if (ref($path) eq 'ARRAY') {
push(@{$path},$name);	push(@{$path},$name);
$text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);	$text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories,$disabled);
pop(@{$path});	pop(@{$path});
}	}
$text .= '</td></tr>';	$text .= '</td></tr>';
Line 14158 sub commit_studentrole {	Line 16375 sub commit_studentrole {
}	}
}	}
} else {	} else {
if ($secchange) {	if ($secchange) {
$$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;	$$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
} else {	} else {
$$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;	$$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
Line 14221 sub check_clone {	Line 16438 sub check_clone {
my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};	my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);	my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);	my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
my $clonemsg;	my $clonetitle;
	my @clonemsg;
my $can_clone = 0;	my $can_clone = 0;
my $lctype = lc($args->{'crstype'});	my $lctype = lc($args->{'crstype'});
if ($lctype ne 'community') {	if ($lctype ne 'community') {
Line 14229 sub check_clone {	Line 16447 sub check_clone {
}	}
if ($clonehome eq 'no_host') {	if ($clonehome eq 'no_host') {
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
$clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});	push(@clonemsg,({
	mt => 'No new community created.',
	args => [],
	},
	{
	mt => 'A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',
	args => [$args->{'clonedomain'}.':'.$args->{'clonedomain'}],
	}));
} else {	} else {
$clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});	push(@clonemsg,({
}	mt => 'No new course created.',
	args => [],
	},
	{
	mt => 'A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',
	args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}],
	}));
	}
} else {	} else {
my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
	$clonetitle = $clonedesc{'description'};
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
if ($clonedesc{'type'} ne 'Community') {	if ($clonedesc{'type'} ne 'Community') {
$clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});	push(@clonemsg,({
return ($can_clone, $clonemsg, $cloneid, $clonehome);	mt => 'No new community created.',
	args => [],
	},
	{
	mt => 'A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',
	args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}],
	}));
	return ($can_clone,\@clonemsg,$cloneid,$clonehome);
}	}
}	}
if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&	if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
(&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {	(&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
$can_clone = 1;	$can_clone = 1;
} else {	} else {
Line 14255 sub check_clone {	Line 16495 sub check_clone {
if ($args->{'ccdomain'} eq $args->{'clonedomain'}) {	if ($args->{'ccdomain'} eq $args->{'clonedomain'}) {
$can_clone = 1;	$can_clone = 1;
}	}
} elsif (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) &&	} elsif (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) &&
($args->{'clonedomain'} eq $args->{'course_domain'})) {	($args->{'clonedomain'} eq $args->{'course_domain'})) {
if (&Apache::lonnet::default_instcode_cloning($args->{'clonedomain'},$domdefs{'canclone'},	if (&Apache::lonnet::default_instcode_cloning($args->{'clonedomain'},$domdefs{'canclone'},
$clonehash{'internal.coursecode'},$args->{'crscode'})) {	$clonehash{'internal.coursecode'},$args->{'crscode'})) {
Line 14274 sub check_clone {	Line 16514 sub check_clone {
$can_clone = 1;	$can_clone = 1;
}	}
unless ($can_clone) {	unless ($can_clone) {
if (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) &&	if (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) &&
($args->{'clonedomain'} eq $args->{'course_domain'})) {	($args->{'clonedomain'} eq $args->{'course_domain'})) {
my (%gotdomdefaults,%gotcodedefaults);	my (%gotdomdefaults,%gotcodedefaults);
foreach my $cloner (@cloners) {	foreach my $cloner (@cloners) {
Line 14313 sub check_clone {	Line 16553 sub check_clone {
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
$ccrole = 'co';	$ccrole = 'co';
}	}
my %roleshash =	my %roleshash =
&Apache::lonnet::get_my_roles($args->{'ccuname'},	&Apache::lonnet::get_my_roles($args->{'ccuname'},
$args->{'ccdomain'},	$args->{'ccdomain'},
'userroles',['active'],[$ccrole],	'userroles',['active'],[$ccrole],
[$args->{'clonedomain'}]);	[$args->{'clonedomain'}]);
if ($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) {	if ($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) {
$can_clone = 1;	$can_clone = 1;
} elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},	} elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},
$args->{'ccuname'},$args->{'ccdomain'})) {	$args->{'ccuname'},$args->{'ccdomain'})) {
Line 14327 sub check_clone {	Line 16567 sub check_clone {
}	}
unless ($can_clone) {	unless ($can_clone) {
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
$clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});	push(@clonemsg,({
	mt => 'No new community created.',
	args => [],
	},
	{
	mt => 'The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',
	args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}],
	}));
} else {	} else {
$clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});	push(@clonemsg,({
}	mt => 'No new course created.',
	args => [],
	},
	{
	mt => 'The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',
	args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}],
	}));
	}
}	}
}	}
}	}
return ($can_clone, $clonemsg, $cloneid, $clonehome);	return ($can_clone,\@clonemsg,$cloneid,$clonehome,$clonetitle);
}	}

sub construct_course {	sub construct_course {
my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category,$coderef) = @_;	my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,
my $outcome;	$cnum,$category,$coderef,$callercontext,$user_lh) = @_;
	my ($outcome,$msgref,$clonemsgref);
my $linefeed = '<br />'."\n";	my $linefeed = '<br />'."\n";
if ($context eq 'auto') {	if ($context eq 'auto') {
$linefeed = "\n";	$linefeed = "\n";
Line 14348 sub construct_course {	Line 16603 sub construct_course {
#	#
# Are we cloning?	# Are we cloning?
#	#
my ($can_clone, $clonemsg, $cloneid, $clonehome);	my ($can_clone,$cloneid,$clonehome,$clonetitle);
if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {	if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);	($can_clone,$clonemsgref,$cloneid,$clonehome,$clonetitle) = &check_clone($args,$linefeed);
if ($context ne 'auto') {
if ($clonemsg ne '') {
$clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
}
}
$outcome .= $clonemsg.$linefeed;

if (!$can_clone) {	if (!$can_clone) {
return (0,$outcome);	return (0,$outcome,$clonemsgref);
}	}
}	}

#	#
# Open course	# Open course
#	#
my $crstype = lc($args->{'crstype'});	my $showncrstype;
	if ($args->{'crstype'} eq 'Placement') {
	$showncrstype = 'placement test';
	} else {
	$showncrstype = lc($args->{'crstype'});
	}
my %cenv=();	my %cenv=();
$$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},	$$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
$args->{'cdescr'},	$args->{'cdescr'},
Line 14377 sub construct_course {	Line 16630 sub construct_course {
$args->{'ccuname'}.':'.	$args->{'ccuname'}.':'.
$args->{'ccdomain'},	$args->{'ccdomain'},
$args->{'crstype'},	$args->{'crstype'},
$cnum,$context,$category);	$cnum,$context,$category,
	$callercontext);

# Note: The testing routines depend on this being output; see	# Note: The testing routines depend on this being output; see
# Utils::Course. This needs to at least be output as a comment	# Utils::Course. This needs to at least be output as a comment
# if anyone ever decides to not show this, and Utils::Course::new	# if anyone ever decides to not show this, and Utils::Course::new
# will need to be suitably modified.	# will need to be suitably modified.
$outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;	if (($callercontext eq 'auto') && ($user_lh ne '')) {
	$outcome .= &mt_user($user_lh,'New LON-CAPA [_1] ID: [_2]',$showncrstype,$$courseid).$linefeed;
	} else {
	$outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$showncrstype,$$courseid).$linefeed;
	}
if ($$courseid =~ /^error:/) {	if ($$courseid =~ /^error:/) {
return (0,$outcome);	return (0,$outcome,$clonemsgref);
}	}

#	#
Line 14394 sub construct_course {	Line 16652 sub construct_course {
($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);	($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);	my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
if ($crsuhome eq 'no_host') {	if ($crsuhome eq 'no_host') {
$outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;	if (($callercontext eq 'auto') && ($user_lh ne '')) {
return (0,$outcome);	$outcome .= &mt_user($user_lh,
	'Course creation failed, unrecognized course home server.');
	} else {
	$outcome .= &mt('Course creation failed, unrecognized course home server.');
	}
	$outcome .= $linefeed;
	return (0,$outcome,$clonemsgref);
}	}
$outcome .= &mt('Created on').': '.$crsuhome.$linefeed;	$outcome .= &mt('Created on').': '.$crsuhome.$linefeed;

#	#
# Do the cloning	# Do the cloning
#	#
	my @clonemsg;
if ($can_clone && $cloneid) {	if ($can_clone && $cloneid) {
$clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);	push(@clonemsg,
if ($context ne 'auto') {	{
$clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';	mt => 'Created [_1] by cloning from [_2]',
}	args => [$showncrstype,$clonetitle],
$outcome .= $clonemsg.$linefeed;	});
my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
# Copy all files	# Copy all files
&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});	my @info =
	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},
	$args->{'dateshift'},$args->{'crscode'},
	$args->{'ccuname'}.':'.$args->{'ccdomain'},
	$args->{'tinyurls'});
	if (@info) {
	push(@clonemsg,@info);
	}
# Restore URL	# Restore URL
$cenv{'url'}=$oldcenv{'url'};	$cenv{'url'}=$oldcenv{'url'};
# Restore title	# Restore title
Line 14435 sub construct_course {	Line 16707 sub construct_course {
'plc.users.denied',	'plc.users.denied',
'hidefromcat',	'hidefromcat',
'checkforpriv',	'checkforpriv',
'categories',	'categories'],
'internal.uniquecode'],
$$crsudom,$$crsunum);	$$crsudom,$$crsunum);
if ($args->{'textbook'}) {	if ($args->{'textbook'}) {
$cenv{'internal.textbook'} = $args->{'textbook'};	$cenv{'internal.textbook'} = $args->{'textbook'};
Line 14451 sub construct_course {	Line 16722 sub construct_course {
if ($args->{'crstype'}) {	if ($args->{'crstype'}) {
$cenv{'type'}=$args->{'crstype'};	$cenv{'type'}=$args->{'crstype'};
}	}
	if ($args->{'lti'}) {
	$cenv{'internal.lti'}=$args->{'lti'};
	}
if ($args->{'crsid'}) {	if ($args->{'crsid'}) {
$cenv{'courseid'}=$args->{'crsid'};	$cenv{'courseid'}=$args->{'crsid'};
}	}
Line 14486 sub construct_course {	Line 16760 sub construct_course {
my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});	my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
$cenv{'internal.sectionnums'} .= $item.',';	$cenv{'internal.sectionnums'} .= $item.',';
unless ($addcheck eq 'ok') {	unless ($addcheck eq 'ok') {
push @badclasses, $class;	push(@badclasses,$class);
}	}
}	}
$cenv{'internal.sectionnums'} =~ s/,$//;	$cenv{'internal.sectionnums'} =~ s/,$//;
Line 14514 sub construct_course {	Line 16788 sub construct_course {
my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});	my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
$cenv{'internal.crosslistings'} .= $item.',';	$cenv{'internal.crosslistings'} .= $item.',';
unless ($addcheck eq 'ok') {	unless ($addcheck eq 'ok') {
push @badclasses, $xl;	push(@badclasses,$xl);
}	}
}	}
$cenv{'internal.crosslistings'} =~ s/,$//;	$cenv{'internal.crosslistings'} =~ s/,$//;
Line 14549 sub construct_course {	Line 16823 sub construct_course {
}	}
if (@badclasses > 0) {	if (@badclasses > 0) {
my %lt=&Apache::lonlocal::texthash(	my %lt=&Apache::lonlocal::texthash(
'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',	'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course.',
'dnhr' => 'does not have rights to access enrollment in these classes',	'howi' => 'However, if automated course roster updates are enabled for this class, these particular sections/crosslistings are not guaranteed to contribute towards enrollment.',
'adby' => 'as determined by the policies of your institution on access to official classlists'	'itis' => 'It is possible that rights to access enrollment for these classes will be available through assignment of co-owners.',
);	);
my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.	my $badclass_msg = $lt{'tclb'}.$linefeed.$lt{'howi'}.$linefeed.
' ('.$lt{'adby'}.')';	&mt('That is because the user identified as the course owner ([_1]) does not have rights to access enrollment in these classes, as determined by the policies of your institution on access to official classlists',$cenv{'internal.courseowner'}).$linefeed.$lt{'itis'};
if ($context eq 'auto') {	if ($context eq 'auto') {
$outcome .= $badclass_msg.$linefeed;	$outcome .= $badclass_msg.$linefeed;
	} else {
$outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";	$outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
foreach my $item (@badclasses) {	}
if ($context eq 'auto') {	foreach my $item (@badclasses) {
$outcome .= " - $item\n";
} else {
$outcome .= "<li>$item</li>\n";
}
}
if ($context eq 'auto') {	if ($context eq 'auto') {
$outcome .= $linefeed;	$outcome .= " - $item\n";
} else {	} else {
$outcome .= "</ul><br /><br /></div>\n";	$outcome .= "<li>$item</li>\n";
}	}
	}
	if ($context eq 'auto') {
	$outcome .= $linefeed;
	} else {
	$outcome .= "</ul><br /><br /></div>\n";
}	}
}	}
if ($args->{'no_end_date'}) {	if ($args->{'no_end_date'}) {
Line 14602 sub construct_course {	Line 16877 sub construct_course {
if ($args->{'setcontent'}) {	if ($args->{'setcontent'}) {
$cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};	$cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
}	}
	if ($args->{'setcomment'}) {
	$cenv{'comment.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
	}
}	}
if ($args->{'reshome'}) {	if ($args->{'reshome'}) {
$cenv{'reshome'}=$args->{'reshome'}.'/';	$cenv{'reshome'}=$args->{'reshome'}.'/';
Line 14636 sub construct_course {	Line 16914 sub construct_course {
if (ref($crsinfo{$$crsudom.'_'.$$crsunum}) eq 'HASH') {	if (ref($crsinfo{$$crsudom.'_'.$$crsunum}) eq 'HASH') {
$crsinfo{$$crsudom.'_'.$$crsunum}{'uniquecode'} = $code;	$crsinfo{$$crsudom.'_'.$$crsunum}{'uniquecode'} = $code;
my $putres = &Apache::lonnet::courseidput($$crsudom,\%crsinfo,$crsuhome,'notime');	my $putres = &Apache::lonnet::courseidput($$crsudom,\%crsinfo,$crsuhome,'notime');
}	}
if (ref($coderef)) {	if (ref($coderef)) {
$$coderef = $code;	$$coderef = $code;
}	}
Line 14673 sub construct_course {	Line 16951 sub construct_course {
# Open all assignments	# Open all assignments
#	#
if ($args->{'openall'}) {	if ($args->{'openall'}) {
	my $opendate = time;
	if ($args->{'openallfrom'} =~ /^\d+$/) {
	$opendate = $args->{'openallfrom'};
	}
my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';	my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
my %storecontent = ($storeunder => time,	my %storecontent = ($storeunder => $opendate,
$storeunder.'.type' => 'date_start');	$storeunder.'.type' => 'date_start');
	$outcome .= &mt('All assignments open starting [_1]',
$outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput	&Apache::lonlocal::locallocaltime($opendate)).': '.
('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;	&Apache::lonnet::cput
	('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
}	}
#	#
# Set first page	# Set first page
Line 14708 sub construct_course {	Line 16991 sub construct_course {
$outcome .= ($fatal?$errtext:'write ok').$linefeed;	$outcome .= ($fatal?$errtext:'write ok').$linefeed;
}	}

return (1,$outcome);	#
	# Set params for Placement Tests
	#
	if ($args->{'crstype'} eq 'Placement') {
	my %storecontent;
	my $prefix=$$crsudom.'_'.$$crsunum.'.0.';
	my %defaults = (
	buttonshide => { value => 'yes',
	type => 'string_yesno',},
	type => { value => 'randomizetry',
	type => 'string_questiontype',},
	maxtries => { value => 1,
	type => 'int_pos',},
	problemstatus => { value => 'no',
	type => 'string_problemstatus',},
	);
	foreach my $key (keys(%defaults)) {
	$storecontent{$prefix.$key} = $defaults{$key}{'value'};
	$storecontent{$prefix.$key.'.type'} = $defaults{$key}{'type'};
	}
	&Apache::lonnet::cput
	('resourcedata',\%storecontent,$$crsudom,$$crsunum);
	}

	return (1,$outcome,\@clonemsg);
}	}

sub make_unique_code {	sub make_unique_code {
Line 14721 sub make_unique_code {	Line 17028 sub make_unique_code {
my $tries = 0;	my $tries = 0;
my $gotlock = &Apache::lonnet::newput_dom('uniquecodes',$lockhash,$cdom);	my $gotlock = &Apache::lonnet::newput_dom('uniquecodes',$lockhash,$cdom);
my ($code,$error);	my ($code,$error);

while (($gotlock ne 'ok') && ($tries<3)) {	while (($gotlock ne 'ok') && ($tries<3)) {
$tries ++;	$tries ++;
sleep 1;	sleep 1;
Line 14768 sub generate_code {	Line 17075 sub generate_code {
############################################################	############################################################
############################################################	############################################################

#SD	# Community, Course and Placement Test
# only Community and Course, or anything else?
sub course_type {	sub course_type {
my ($cid) = @_;	my ($cid) = @_;
if (!defined($cid)) {	if (!defined($cid)) {
Line 14787 sub group_term {	Line 17093 sub group_term {
my %names = (	my %names = (
'Course' => 'group',	'Course' => 'group',
'Community' => 'group',	'Community' => 'group',
	'Placement' => 'group',
);	);
return $names{$crstype};	return $names{$crstype};
}	}

sub course_types {	sub course_types {
my @types = ('official','unofficial','community','textbook');	my @types = ('official','unofficial','community','textbook','placement','lti');
my %typename = (	my %typename = (
official => 'Official course',	official => 'Official course',
unofficial => 'Unofficial course',	unofficial => 'Unofficial course',
community => 'Community',	community => 'Community',
textbook => 'Textbook course',	textbook => 'Textbook course',
	placement => 'Placement test',
	lti => 'LTI provider',
);	);
return (\@types,\%typename);	return (\@types,\%typename);
}	}
Line 14877 sub compare_arrays {	Line 17186 sub compare_arrays {
return @difference;	return @difference;
}	}

	sub lon_status_items {
	my %defaults = (
	E => 100,
	W => 4,
	N => 1,
	U => 5,
	threshold => 200,
	sysmail => 2500,
	);
	my %names = (
	E => 'Errors',
	W => 'Warnings',
	N => 'Notices',
	U => 'Unsent',
	);
	return (\%defaults,\%names);
	}

# -------------------------------------------------------- Initialize user login	# -------------------------------------------------------- Initialize user login
sub init_user_environment {	sub init_user_environment {
my ($r, $username, $domain, $authhost, $form, $args) = @_;	my ($r, $username, $domain, $authhost, $form, $args) = @_;
Line 14884 sub init_user_environment {	Line 17211 sub init_user_environment {

my $public=($username eq 'public' && $domain eq 'public');	my $public=($username eq 'public' && $domain eq 'public');

# See if old ID present, if so, remove

my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);	my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);
my $now=time;	my $now=time;

Line 14907 sub init_user_environment {	Line 17232 sub init_user_environment {
}	}
if (!$cookie) { $cookie="publicuser_$oldest"; }	if (!$cookie) { $cookie="publicuser_$oldest"; }
} else {	} else {
# if this isn't a robot, kill any existing non-robot sessions	# See if old ID present, if so, remove if this isn't a robot,
	# killing any existing non-robot sessions
if (!$args->{'robot'}) {	if (!$args->{'robot'}) {
opendir(DIR,$lonids);	opendir(DIR,$lonids);
while ($filename=readdir(DIR)) {	while ($filename=readdir(DIR)) {
if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {	if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
unlink($lonids.'/'.$filename);	if (tie(my %oldenv,'GDBM_File',"$lonids/$filename",
	&GDBM_READER(),0640)) {
	my $linkedfile;
	if (exists($oldenv{'user.linkedenv'})) {
	$linkedfile = $oldenv{'user.linkedenv'};
	}
	untie(%oldenv);
	if (unlink("$lonids/$filename")) {
	if ($linkedfile =~ /^[a-f0-9]+_linked$/) {
	if (-l "$lonids/$linkedfile.id") {
	unlink("$lonids/$linkedfile.id");
	}
	}
	}
	} else {
	unlink($lonids.'/'.$filename);
	}
}	}
}	}
closedir(DIR);	closedir(DIR);
Line 14947 sub init_user_environment {	Line 17289 sub init_user_environment {

my %userenv = &Apache::lonnet::dump('environment',$domain,$username);	my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
my ($tmp) = keys(%userenv);	my ($tmp) = keys(%userenv);
if ($tmp !~ /^(con_lost\|error\|no_such_host)/i) {	if ($tmp =~ /^(con_lost\|error\|no_such_host)/i) {
} else {
undef(%userenv);	undef(%userenv);
}	}
if (($userenv{'interface'}) && (!$form->{'interface'})) {	if (($userenv{'interface'}) && (!$form->{'interface'})) {
Line 14963 sub init_user_environment {	Line 17304 sub init_user_environment {
# --------------------------------------------------------- Write first profile	# --------------------------------------------------------- Write first profile

{	{
	my $ip = &Apache::lonnet::get_requestor_ip($r);
my %initial_env =	my %initial_env =
("user.name" => $username,	("user.name" => $username,
"user.domain" => $domain,	"user.domain" => $domain,
Line 14981 sub init_user_environment {	Line 17323 sub init_user_environment {
"request.course.sec" => '',	"request.course.sec" => '',
"request.role" => 'cm',	"request.role" => 'cm',
"request.role.adv" => $env{'user.adv'},	"request.role.adv" => $env{'user.adv'},
"request.host" => $ENV{'REMOTE_ADDR'},);	"request.host" => $ip,);

if ($form->{'localpath'}) {	if ($form->{'localpath'}) {
$initial_env{"browser.localpath"} = $form->{'localpath'};	$initial_env{"browser.localpath"} = $form->{'localpath'};
Line 15000 sub init_user_environment {	Line 17342 sub init_user_environment {
$env{'user.noloadbalance'} = $lonhost;	$env{'user.noloadbalance'} = $lonhost;
}	}

my %is_adv = ( is_adv => $env{'user.adv'} );	if ($form->{'noloadbalance'}) {
my %domdef;	my @hosts = &Apache::lonnet::current_machine_ids();
unless ($domain eq 'public') {	my $hosthere = $form->{'noloadbalance'};
%domdef = &Apache::lonnet::get_domain_defaults($domain);	if (grep(/^\Q$hosthere\E$/,@hosts)) {
	$initial_env{"user.noloadbalance"} = $hosthere;
	$env{'user.noloadbalance'} = $hosthere;
	}
}	}

foreach my $tool ('aboutme','blog','webdav','portfolio') {	unless ($domain eq 'public') {
$userenv{'availabletools.'.$tool} =	my %is_adv = ( is_adv => $env{'user.adv'} );
&Apache::lonnet::usertools_access($username,$domain,$tool,'reload',	my %domdef = &Apache::lonnet::get_domain_defaults($domain);
undef,\%userenv,\%domdef,\%is_adv);
}

foreach my $crstype ('official','unofficial','community','textbook') {	foreach my $tool ('aboutme','blog','webdav','portfolio') {
$userenv{'canrequest.'.$crstype} =	$userenv{'availabletools.'.$tool} =
&Apache::lonnet::usertools_access($username,$domain,$crstype,	&Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
'reload','requestcourses',	undef,\%userenv,\%domdef,\%is_adv);
\%userenv,\%domdef,\%is_adv);	}
}

$userenv{'canrequest.author'} =	foreach my $crstype ('official','unofficial','community','textbook','placement','lti') {
&Apache::lonnet::usertools_access($username,$domain,'requestauthor',	$userenv{'canrequest.'.$crstype} =
'reload','requestauthor',	&Apache::lonnet::usertools_access($username,$domain,$crstype,
\%userenv,\%domdef,\%is_adv);	'reload','requestcourses',
my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],	\%userenv,\%domdef,\%is_adv);
$domain,$username);
my $reqstatus = $reqauthor{'author_status'};
if ($reqstatus eq 'approval' \|\| $reqstatus eq 'approved') {
if (ref($reqauthor{'author'}) eq 'HASH') {
$userenv{'requestauthorqueued'} = $reqstatus.':'.
$reqauthor{'author'}{'timestamp'};
}	}
}

	$userenv{'canrequest.author'} =
	&Apache::lonnet::usertools_access($username,$domain,'requestauthor',
	'reload','requestauthor',
	\%userenv,\%domdef,\%is_adv);
	my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
	$domain,$username);
	my $reqstatus = $reqauthor{'author_status'};
	if ($reqstatus eq 'approval' \|\| $reqstatus eq 'approved') {
	if (ref($reqauthor{'author'}) eq 'HASH') {
	$userenv{'requestauthorqueued'} = $reqstatus.':'.
	$reqauthor{'author'}{'timestamp'};
	}
	}
	my ($types,$typename) = &course_types();
	if (ref($types) eq 'ARRAY') {
	my @options = ('approval','validate','autolimit');
	my $optregex = join('\|',@options);
	my (%willtrust,%trustchecked);
	foreach my $type (@{$types}) {
	my $dom_str = $env{'environment.reqcrsotherdom.'.$type};
	if ($dom_str ne '') {
	my $updatedstr = '';
	my @possdomains = split(',',$dom_str);
	foreach my $entry (@possdomains) {
	my ($extdom,$extopt) = split(':',$entry);
	unless ($trustchecked{$extdom}) {
	$willtrust{$extdom} = &Apache::lonnet::will_trust('reqcrs',$domain,$extdom);
	$trustchecked{$extdom} = 1;
	}
	if ($willtrust{$extdom}) {
	$updatedstr .= $entry.',';
	}
	}
	$updatedstr =~ s/,$//;
	if ($updatedstr) {
	$userenv{'reqcrsotherdom.'.$type} = $updatedstr;
	} else {
	delete($userenv{'reqcrsotherdom.'.$type});
	}
	}
	}
	}
	}
$env{'user.environment'} = "$lonids/$cookie.id";	$env{'user.environment'} = "$lonids/$cookie.id";

if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
Line 15136 and quotacheck.pl	Line 17514 and quotacheck.pl

Inputs:	Inputs:

filterlist - anonymous array of fields to include as potential filters	filterlist - anonymous array of fields to include as potential filters

crstype - course type	crstype - course type

roleelement - fifth arg in selectcourse_link() populates fifth arg in javascript: opencrsbrowser() function, used	roleelement - fifth arg in selectcourse_link() populates fifth arg in javascript: opencrsbrowser() function, used
to pop-open a course selector (will contain "extra element").	to pop-open a course selector (will contain "extra element").

multelement - if multiple course selections will be allowed, this will be a hidden form element: name: multiple; value: 1	multelement - if multiple course selections will be allowed, this will be a hidden form element: name: multiple; value: 1

Line 15157 cloneruname - username of owner of new c	Line 17535 cloneruname - username of owner of new c

clonerudom - domain of owner of new course who wants to clone	clonerudom - domain of owner of new course who wants to clone

typeelem - text to use for left column in row containing course type (i.e., Course, Community or Course/Community)	typeelem - text to use for left column in row containing course type (i.e., Course, Community or Course/Community)

codetitlesref - reference to array of titles of components in institutional codes (official courses)	codetitlesref - reference to array of titles of components in institutional codes (official courses)

codedom - domain	codedom - domain

formname - value of form element named "form".	formname - value of form element named "form".

fixeddom - domain, if fixed.	fixeddom - domain, if fixed.

prevphase - value to assign to form element named "phase" when going back to the previous screen	prevphase - value to assign to form element named "phase" when going back to the previous screen

cnameelement - name of form element in form on opener page which will receive title of selected course	cnameelement - name of form element in form on opener page which will receive title of selected course

cnumelement - name of form element in form on opener page which will receive courseID of selected course	cnumelement - name of form element in form on opener page which will receive courseID of selected course

Line 15260 sub build_filters {	Line 17638 sub build_filters {
$createdfilterform = &timebased_select_form('createdfilter',$filter);	$createdfilterform = &timebased_select_form('createdfilter',$filter);
}	}

	my $prefix = $crstype;
	if ($crstype eq 'Placement') {
	$prefix = 'Placement Test'
	}
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'cac' => "$crstype Activity",	'cac' => "$prefix Activity",
'ccr' => "$crstype Created",	'ccr' => "$prefix Created",
'cde' => "$crstype Title",	'cde' => "$prefix Title",
'cdo' => "$crstype Domain",	'cdo' => "$prefix Domain",
'ins' => 'Institutional Code',	'ins' => 'Institutional Code',
'inc' => 'Institutional Categorization',	'inc' => 'Institutional Categorization',
'cow' => "$crstype Owner/Co-owner",	'cow' => "$prefix Owner/Co-owner",
'cop' => "$crstype Personnel Includes",	'cop' => "$prefix Personnel Includes",
'cog' => 'Type',	'cog' => 'Type',
);	);

Line 15276 sub build_filters {	Line 17658 sub build_filters {
my $typeval = 'Course';	my $typeval = 'Course';
if ($crstype eq 'Community') {	if ($crstype eq 'Community') {
$typeval = 'Community';	$typeval = 'Community';
	} elsif ($crstype eq 'Placement') {
	$typeval = 'Placement';
}	}
$typeselectform = '<input type="hidden" name="type" value="'.$typeval.'" />';	$typeselectform = '<input type="hidden" name="type" value="'.$typeval.'" />';
} else {	} else {
Line 15284 sub build_filters {	Line 17668 sub build_filters {
$typeselectform .= ' onchange="'.$onchange.'"';	$typeselectform .= ' onchange="'.$onchange.'"';
}	}
$typeselectform .= '>'."\n";	$typeselectform .= '>'."\n";
foreach my $posstype ('Course','Community') {	foreach my $posstype ('Course','Community','Placement') {
	my $shown;
	if ($posstype eq 'Placement') {
	$shown = &mt('Placement Test');
	} else {
	$shown = &mt($posstype);
	}
$typeselectform.='<option value="'.$posstype.'"'.	$typeselectform.='<option value="'.$posstype.'"'.
($posstype eq $crstype ? ' selected="selected" ' : ''). ">".&mt($posstype)."</option>\n";	($posstype eq $crstype ? ' selected="selected" ' : ''). ">".$shown."</option>\n";
}	}
$typeselectform.="</select>";	$typeselectform.="</select>";
}	}
Line 15311 sub build_filters {	Line 17701 sub build_filters {
if (exists($filter->{'instcodefilter'})) {	if (exists($filter->{'instcodefilter'})) {
# if (($fixeddom) \|\| ($formname eq 'requestcrs') \|\|	# if (($fixeddom) \|\| ($formname eq 'requestcrs') \|\|
# ($formname eq 'modifycourse') \|\| ($formname eq 'filterpicker')) {	# ($formname eq 'modifycourse') \|\| ($formname eq 'filterpicker')) {
if ($codedom) {	if ($codedom) {
$officialjs = 1;	$officialjs = 1;
($instcodeform,$jscript,$$numtitlesref) =	($instcodeform,$jscript,$$numtitlesref) =
&Apache::courseclassifier::instcode_selectors($codedom,'filterpicker',	&Apache::courseclassifier::instcode_selectors($codedom,'filterpicker',
Line 15440 $typeelement	Line 17830 $typeelement
return $jscript.$clonewarning.$output;	return $jscript.$clonewarning.$output;
}	}

=pod	=pod

=item * &timebased_select_form()	=item * &timebased_select_form()

Line 15455 item - name of form element (sincefilter	Line 17845 item - name of form element (sincefilter
filter - anonymous hash of criteria and their values	filter - anonymous hash of criteria and their values

Returns: HTML for a select box contained a blank, then six time selections,	Returns: HTML for a select box contained a blank, then six time selections,
with value set in incoming form variables currently selected.	with value set in incoming form variables currently selected.

Side Effects: None	Side Effects: None

Line 15492 page load completion for page showing se	Line 17882 page load completion for page showing se

Inputs: None	Inputs: None

Returns: markup containing updateFilters() and hideSearching() javascript functions.	Returns: markup containing updateFilters() and hideSearching() javascript functions.

Side Effects: None	Side Effects: None

Line 15531 to retrieve a hash for which keys are co	Line 17921 to retrieve a hash for which keys are co

Inputs:	Inputs:

dom - domain being searched	dom - domain being searched

type - course type ('Course' or 'Community' or '.' if any).	type - course type ('Course' or 'Community' or '.' if any).

Line 15543 cloneruname - optional username of new c	Line 17933 cloneruname - optional username of new c

clonerudom - optional domain of new course owner	clonerudom - optional domain of new course owner

domcloner - optional "domcloner" flag; has value=1 if user has ccc priv in domain being filtered by,	domcloner - optional "domcloner" flag; has value=1 if user has ccc priv in domain being filtered by,
(used when DC is using course creation form)	(used when DC is using course creation form)

codetitles - reference to array of titles of components in institutional codes (official courses).	codetitles - reference to array of titles of components in institutional codes (official courses).
Line 15553 cc_clone - escaped comma separated list	Line 17943 cc_clone - escaped comma separated list

reqcrsdom - domain of new course, where search_courses is used to identify potential courses to clone	reqcrsdom - domain of new course, where search_courses is used to identify potential courses to clone

reqinstcode - institutional code of new course, where search_courses is used to identify potential	reqinstcode - institutional code of new course, where search_courses is used to identify potential
courses to clone	courses to clone

Returns: %courses - hash of courses satisfying search criteria, keys = course IDs, values are corresponding colon-separated escaped description, institutional code, owner and type.	Returns: %courses - hash of courses satisfying search criteria, keys = course IDs, values are corresponding colon-separated escaped description, institutional code, owner and type.

Line 15637 sub search_courses {	Line 18027 sub search_courses {
if (ref($courses{$cid}) eq 'HASH') {	if (ref($courses{$cid}) eq 'HASH') {
if (ref($courses{$cid}{roles}) eq 'ARRAY') {	if (ref($courses{$cid}{roles}) eq 'ARRAY') {
if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) {	if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) {
push (@{$courses{$cid}{roles}},$courserole);	push(@{$courses{$cid}{roles}},$courserole);
}	}
} else {	} else {
$courses{$cid}{roles} = [$courserole];	$courses{$cid}{roles} = [$courserole];
Line 15680 $required - LON-CAPA version needed by c	Line 18070 $required - LON-CAPA version needed by c

Returns:	Returns:

$switchserver - query string tp append to /adm/switchserver call (if	$switchserver - query string tp append to /adm/switchserver call (if
current server's LON-CAPA version is too old.	current server's LON-CAPA version is too old.

$warning - Message is displayed if no suitable server could be found.	$warning - Message is displayed if no suitable server could be found.

Line 15794 Inputs:	Line 18184 Inputs:
$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp)	$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp)

$interval (optional) - Time which may elapse (in s) between last check for content	$interval (optional) - Time which may elapse (in s) between last check for content
change in current course. (default: 600 s).	change in current course. (default: 600 s).

Returns: an array; first element is:	Returns: an array; first element is:

Line 15802 Returns: an array; first element is:	Line 18192 Returns: an array; first element is:

'switch' - if content updates mean user's session	'switch' - if content updates mean user's session
needs to be switched to a server running a newer LON-CAPA version	needs to be switched to a server running a newer LON-CAPA version

'update' - if course session needs to be refreshed (i.e., Big Hash needs to be reloaded)	'update' - if course session needs to be refreshed (i.e., Big Hash needs to be reloaded)
on current server hosting user's session	on current server hosting user's session

'' - if no action required.	'' - if no action required.

Line 15812 Returns: an array; first element is:	Line 18202 Returns: an array; first element is:

If first item element is 'switch':	If first item element is 'switch':

second item is $switchwarning - Warning message if no suitable server found to host session.	second item is $switchwarning - Warning message if no suitable server found to host session.

third item is $switchserver - query string to append to /adm/switchserver containing lonHostID	third item is $switchserver - query string to append to /adm/switchserver containing lonHostID
and current role.	and current role.

otherwise: no other elements returned.	otherwise: no other elements returned.

Line 15833 sub needs_coursereinit {	Line 18223 sub needs_coursereinit {
$interval = 600;	$interval = 600;
}	}
if (($now-$env{'request.course.timechecked'})>$interval) {	if (($now-$env{'request.course.timechecked'})>$interval) {
my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum);
&Apache::lonnet::appenv({'request.course.timechecked'=>$now});	&Apache::lonnet::appenv({'request.course.timechecked'=>$now});
	my $blocked = &blocking_status('reinit',undef,$cnum,$cdom,undef,1);
	if ($blocked) {
	return ();
	}
	my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum);
if ($lastchange > $env{'request.course.tied'}) {	if ($lastchange > $env{'request.course.tied'}) {
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');	my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
if ($curr_reqd_hash{'internal.releaserequired'} ne '') {	if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
Line 15857 sub needs_coursereinit {	Line 18251 sub needs_coursereinit {
}	}

sub update_content_constraints {	sub update_content_constraints {
my ($cdom,$cnum,$chome,$cid) = @_;	my ($cdom,$cnum,$chome,$cid,$keeporder) = @_;
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');	my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});	my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
my %checkresponsetypes;	my (%checkresponsetypes,%checkcrsrestypes);
foreach my $key (keys(%Apache::lonnet::needsrelease)) {	foreach my $key (keys(%Apache::lonnet::needsrelease)) {
my ($item,$name,$value) = split(/:/,$key);	my ($item,$name,$value) = split(/:/,$key);
if ($item eq 'resourcetag') {	if ($item eq 'resourcetag') {
if ($name eq 'responsetype') {	if ($name eq 'responsetype') {
$checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}	$checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
}	}
	} elsif ($item eq 'course') {
	if ($name eq 'courserestype') {
	$checkcrsrestypes{$value} = $Apache::lonnet::needsrelease{$key};
	}
}	}
}	}
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
if (defined($navmap)) {	if (defined($navmap)) {
my %allresponses;	my (%allresponses,%allcrsrestypes);
foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {	foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() \|\| $_[0]->is_tool() },1,0)) {
	if ($res->is_tool()) {
	if ($allcrsrestypes{'exttool'}) {
	$allcrsrestypes{'exttool'} ++;
	} else {
	$allcrsrestypes{'exttool'} = 1;
	}
	next;
	}
my %responses = $res->responseTypes();	my %responses = $res->responseTypes();
foreach my $key (keys(%responses)) {	foreach my $key (keys(%responses)) {
next unless(exists($checkresponsetypes{$key}));	next unless(exists($checkresponsetypes{$key}));
Line 15885 sub update_content_constraints {	Line 18291 sub update_content_constraints {
($reqdmajor,$reqdminor) = ($major,$minor);	($reqdmajor,$reqdminor) = ($major,$minor);
}	}
}	}
	foreach my $key (keys(%allcrsrestypes)) {
	my ($major,$minor) = split(/\./,$checkcrsrestypes{$key});
	if (($major > $reqdmajor) \|\| ($major == $reqdmajor && $minor > $reqdminor)) {
	($reqdmajor,$reqdminor) = ($major,$minor);
	}
	}
undef($navmap);	undef($navmap);
}	}
	my (@resources,@order,@resparms,@zombies);
	if ($keeporder) {
	use LONCAPA::map;
	@resources = @LONCAPA::map::resources;
	@order = @LONCAPA::map::order;
	@resparms = @LONCAPA::map::resparms;
	@zombies = @LONCAPA::map::zombies;
	}
	my $suppmap = 'supplemental.sequence';
	my ($suppcount,$supptools,$errors) = (0,0,0);
	($suppcount,$supptools,$errors) = &recurse_supplemental($cnum,$cdom,$suppmap,
	$suppcount,$supptools,$errors);
	if ($keeporder) {
	@LONCAPA::map::resources = @resources;
	@LONCAPA::map::order = @order;
	@LONCAPA::map::resparms = @resparms;
	@LONCAPA::map::zombies = @zombies;
	}
	if ($supptools) {
	my ($major,$minor) = split(/\./,$checkcrsrestypes{'exttool'});
	if (($major > $reqdmajor) \|\| ($major == $reqdmajor && $minor > $reqdminor)) {
	($reqdmajor,$reqdminor) = ($major,$minor);
	}
	}
unless (($reqdmajor eq '') && ($reqdminor eq '')) {	unless (($reqdmajor eq '') && ($reqdminor eq '')) {
&Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);	&Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
}	}
Line 15907 sub allmaps_incourse {	Line 18343 sub allmaps_incourse {
if ($lastchange > $env{'request.course.tied'}) {	if ($lastchange > $env{'request.course.tied'}) {
my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");	my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
unless ($ferr) {	unless ($ferr) {
&update_content_constraints($cdom,$cnum,$chome,$cid);	&update_content_constraints($cdom,$cnum,$chome,$cid,1);
}	}
}	}
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
Line 15943 sub parse_supplemental_title {	Line 18379 sub parse_supplemental_title {
}	}

sub recurse_supplemental {	sub recurse_supplemental {
my ($cnum,$cdom,$suppmap,$numfiles,$errors) = @_;	my ($cnum,$cdom,$suppmap,$numfiles,$numexttools,$errors) = @_;
if ($suppmap) {	if ($suppmap) {
my ($errtext,$fatal) = &LONCAPA::map::mapread('/uploaded/'.$cdom.'/'.$cnum.'/'.$suppmap);	my ($errtext,$fatal) = &LONCAPA::map::mapread('/uploaded/'.$cdom.'/'.$cnum.'/'.$suppmap);
if ($fatal) {	if ($fatal) {
Line 15954 sub recurse_supplemental {	Line 18390 sub recurse_supplemental {
my ($title,$src,$ext,$type,$status)=split(/\:/,$res);	my ($title,$src,$ext,$type,$status)=split(/\:/,$res);
if (($src ne '') && ($status eq 'res')) {	if (($src ne '') && ($status eq 'res')) {
if ($src =~ m{^\Q/uploaded/$cdom/$cnum/\E(supplemental_\d+\.sequence)$}) {	if ($src =~ m{^\Q/uploaded/$cdom/$cnum/\E(supplemental_\d+\.sequence)$}) {
($numfiles,$errors) = &recurse_supplemental($cnum,$cdom,$1,$numfiles,$errors);	($numfiles,$numexttools,$errors) = &recurse_supplemental($cnum,$cdom,$1,
	$numfiles,$numexttools,$errors);
} else {	} else {
	if ($src =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
	$numexttools ++;
	}
$numfiles ++;	$numfiles ++;
}	}
}	}
Line 15963 sub recurse_supplemental {	Line 18403 sub recurse_supplemental {
}	}
}	}
}	}
return ($numfiles,$errors);	return ($numfiles,$numexttools,$errors);
}	}

sub symb_to_docspath {	sub symb_to_docspath {
my ($symb) = @_;	my ($symb,$navmapref) = @_;
return unless ($symb);	return unless ($symb && ref($navmapref));
my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);	my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
if ($resurl=~/\.(sequence\|page)$/) {	if ($resurl=~/\.(sequence\|page)$/) {
$mapurl=$resurl;	$mapurl=$resurl;
Line 15976 sub symb_to_docspath {	Line 18416 sub symb_to_docspath {
$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};	$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
}	}
my $mapresobj;	my $mapresobj;
my $navmap = Apache::lonnavmaps::navmap->new();	unless (ref($$navmapref)) {
if (ref($navmap)) {	$$navmapref = Apache::lonnavmaps::navmap->new();
$mapresobj = $navmap->getResourceByUrl($mapurl);	}
	if (ref($$navmapref)) {
	$mapresobj = $$navmapref->getResourceByUrl($mapurl);
}	}
$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};	$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
my $type=$2;	my $type=$2;
Line 15988 sub symb_to_docspath {	Line 18430 sub symb_to_docspath {
if ($pcslist ne '') {	if ($pcslist ne '') {
foreach my $pc (split(/,/,$pcslist)) {	foreach my $pc (split(/,/,$pcslist)) {
next if ($pc <= 1);	next if ($pc <= 1);
my $res = $navmap->getByMapPc($pc);	my $res = $$navmapref->getByMapPc($pc);
if (ref($res)) {	if (ref($res)) {
my $thisurl = $res->src();	my $thisurl = $res->src();
$thisurl=~s{^.*/([^/]+)\.\w+$}{$1};	$thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
Line 16035 sub symb_to_docspath {	Line 18477 sub symb_to_docspath {
}	}

sub captcha_display {	sub captcha_display {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$defdom) = @_;
my ($output,$error);	my ($output,$error);
my ($captcha,$pubkey,$privkey,$version) =	my ($captcha,$pubkey,$privkey,$version) =
&get_captcha_config($context,$lonhost);	&get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
$output = &create_captcha();	$output = &create_captcha();
unless ($output) {	unless ($output) {
Line 16054 sub captcha_display {	Line 18496 sub captcha_display {
}	}

sub captcha_response {	sub captcha_response {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$defdom) = @_;
my ($captcha_chk,$captcha_error);	my ($captcha_chk,$captcha_error);
my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost);	my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
($captcha_chk,$captcha_error) = &check_captcha();	($captcha_chk,$captcha_error) = &check_captcha();
} elsif ($captcha eq 'recaptcha') {	} elsif ($captcha eq 'recaptcha') {
Line 16068 sub captcha_response {	Line 18510 sub captcha_response {
}	}

sub get_captcha_config {	sub get_captcha_config {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$dom_in_effect) = @_;
my ($captcha,$pubkey,$privkey,$version,$hashtocheck);	my ($captcha,$pubkey,$privkey,$version,$hashtocheck);
my $hostname = &Apache::lonnet::hostname($lonhost);	my $hostname = &Apache::lonnet::hostname($lonhost);
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);	my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
Line 16108 sub get_captcha_config {	Line 18550 sub get_captcha_config {
$captcha = 'recaptcha';	$captcha = 'recaptcha';
$version = $domconfhash{$serverhomedom.'.login.recaptchaversion'};	$version = $domconfhash{$serverhomedom.'.login.recaptchaversion'};
if ($version ne '2') {	if ($version ne '2') {
$version = 1;	$version = 1;
}	}
} else {	} else {
$captcha = 'original';	$captcha = 'original';
Line 16116 sub get_captcha_config {	Line 18558 sub get_captcha_config {
} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {	} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
$captcha = 'original';	$captcha = 'original';
}	}
}	} elsif ($context eq 'passwords') {
	if ($dom_in_effect) {
	my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect);
	if ($passwdconf{'captcha'} eq 'recaptcha') {
	if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') {
	$pubkey = $passwdconf{'recaptchakeys'}{'public'};
	$privkey = $passwdconf{'recaptchakeys'}{'private'};
	}
	if ($privkey && $pubkey) {
	$captcha = 'recaptcha';
	$version = $passwdconf{'recaptchaversion'};
	if ($version ne '2') {
	$version = 1;
	}
	} else {
	$captcha = 'original';
	}
	} elsif ($passwdconf{'captcha'} ne 'notused') {
	$captcha = 'original';
	}
	}
	}
return ($captcha,$pubkey,$privkey,$version);	return ($captcha,$pubkey,$privkey,$version);
}	}

Line 16133 sub create_captcha {	Line 18596 sub create_captcha {

if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {	if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
$output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".	$output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
	'<span class="LC_nobreak">'.
&mt('Type in the letters/numbers shown below').' '.	&mt('Type in the letters/numbers shown below').' '.
'<input type="text" size="5" name="code" value="" autocomplete="off" />'.	'<input type="text" size="5" name="code" value="" autocomplete="off" />'.
'<br />'.	'</span><br />'.
'<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" alt="captcha" />';	'<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" alt="captcha" />';
last;	last;
}	}
}	}
	if ($output eq '') {
	&Apache::lonnet::logthis("Failed to create Captcha code after $tries attempts.");
	}
return $output;	return $output;
}	}

Line 16178 sub check_captcha {	Line 18645 sub check_captcha {
sub create_recaptcha {	sub create_recaptcha {
my ($pubkey,$version) = @_;	my ($pubkey,$version) = @_;
if ($version >= 2) {	if ($version >= 2) {
return '<div class="g-recaptcha" data-sitekey="'.$pubkey.'"></div>';	return '<div class="g-recaptcha" data-sitekey="'.$pubkey.'"></div>'.
	'<div style="padding:0;clear:both;margin:0;border:0"></div>';
} else {	} else {
my $use_ssl;	my $use_ssl;
if ($ENV{'SERVER_PORT'} == 443) {	if ($ENV{'SERVER_PORT'} == 443) {
Line 16190 sub create_recaptcha {	Line 18658 sub create_recaptcha {
&mt('If the text is hard to read, [_1] will replace them.',	&mt('If the text is hard to read, [_1] will replace them.',
'<img src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').	'<img src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').
'<br /><br />';	'<br /><br />';
}	}
}	}

sub check_recaptcha {	sub check_recaptcha {
my ($privkey,$version) = @_;	my ($privkey,$version) = @_;
my $captcha_chk;	my $captcha_chk;
	my $ip = &Apache::lonnet::get_requestor_ip();
if ($version >= 2) {	if ($version >= 2) {
my $ua = LWP::UserAgent->new;
$ua->timeout(10);
my %info = (	my %info = (
secret => $privkey,	secret => $privkey,
response => $env{'form.g-recaptcha-response'},	response => $env{'form.g-recaptcha-response'},
remoteip => $ENV{'REMOTE_ADDR'},	remoteip => $ip,
);	);
my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info);	my $request=new HTTP::Request('POST','https://www.google.com/recaptcha/api/siteverify');
	$request->content(join('&',map {
	my $name = escape($_);
	"$name=" . ( ref($info{$_}) eq 'ARRAY'
	? join("&$name=", map {escape($_) } @{$info{$_}})
	: &escape($info{$_}) );
	} keys(%info)));
	my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',10,1);
if ($response->is_success) {	if ($response->is_success) {
my $data = JSON::DWIW->from_json($response->decoded_content);	my $data = JSON::DWIW->from_json($response->decoded_content);
if (ref($data) eq 'HASH') {	if (ref($data) eq 'HASH') {
Line 16218 sub check_recaptcha {	Line 18692 sub check_recaptcha {
my $captcha_result =	my $captcha_result =
$captcha->check_answer(	$captcha->check_answer(
$privkey,	$privkey,
$ENV{'REMOTE_ADDR'},	$ip,
$env{'form.recaptcha_challenge_field'},	$env{'form.recaptcha_challenge_field'},
$env{'form.recaptcha_response_field'},	$env{'form.recaptcha_response_field'},
);	);
Line 16267 sub cleanup_html {	Line 18741 sub cleanup_html {

# Checks for critical messages and returns a redirect url if one exists.	# Checks for critical messages and returns a redirect url if one exists.
# $interval indicates how often to check for messages.	# $interval indicates how often to check for messages.
	# $context is the calling context -- roles, grades, contents, menu or flip.
sub critical_redirect {	sub critical_redirect {
my ($interval) = @_;	my ($interval,$context) = @_;
	unless (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) {
	return ();
	}
if ((time-$env{'user.criticalcheck.time'})>$interval) {	if ((time-$env{'user.criticalcheck.time'})>$interval) {
my @what=&Apache::lonnet::dump('critical', $env{'user.domain'},	if (($env{'request.course.id'}) && (($context eq 'flip') \|\| ($context eq 'contents'))) {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $blocked = &blocking_status('alert',undef,$cnum,$cdom,undef,1);
	if ($blocked) {
	my $checkrole = "cm./$cdom/$cnum";
	if ($env{'request.course.sec'} ne '') {
	$checkrole .= "/$env{'request.course.sec'}";
	}
	unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
	($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
	return;
	}
	}
	}
	my @what=&Apache::lonnet::dump('critical', $env{'user.domain'},
$env{'user.name'});	$env{'user.name'});
&Apache::lonnet::appenv({'user.criticalcheck.time'=>time});	&Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
my $redirecturl;	my $redirecturl;
if ($what[0]) {	if ($what[0]) {
if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {	if (($what[0] ne 'con_lost') && ($what[0] ne 'no_such_host') && ($what[0]!~/^error\:/)) {
$redirecturl='/adm/email?critical=display';	$redirecturl='/adm/email?critical=display';
my $url=&Apache::lonnet::absolute_url().$redirecturl;	my $url=&Apache::lonnet::absolute_url().$redirecturl;
return (1, $url);	return (1, $url);
}	}
}	}
}	}
return ();	return ();
}	}

Line 16335 sub des_decrypt {	Line 18828 sub des_decrypt {
return $plaintext;	return $plaintext;
}	}

	sub get_requested_shorturls {
	my ($cdom,$cnum,$navmap) = @_;
	return unless (ref($navmap));
	my ($numnew,$errors);
	my @toshorten = &Apache::loncommon::get_env_multiple('form.addtiny');
	if (@toshorten) {
	my (%maps,%resources,%titles);
	&Apache::loncourserespicker::enumerate_course_contents($navmap,\%maps,\%resources,\%titles,
	'shorturls',$cdom,$cnum);
	if (keys(%resources)) {
	my %tocreate;
	foreach my $item (sort {$a <=> $b} (@toshorten)) {
	my $symb = $resources{$item};
	if ($symb) {
	$tocreate{$cnum.'&'.$symb} = 1;
	}
	}
	if (keys(%tocreate)) {
	($numnew,$errors) = &make_short_symbs($cdom,$cnum,
	\%tocreate);
	}
	}
	}
	return ($numnew,$errors);
	}

	sub make_short_symbs {
	my ($cdom,$cnum,$tocreateref,$lockuser) = @_;
	my ($numnew,@errors);
	if (ref($tocreateref) eq 'HASH') {
	my %tocreate = %{$tocreateref};
	if (keys(%tocreate)) {
	my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);
	my $su = Short::URL->new(no_vowels => 1);
	my $init = '';
	my (%newunique,%addcourse,%courseonly,%failed);
	# get lock on tiny db
	my $now = time;
	if ($lockuser eq '') {
	$lockuser = $env{'user.name'}.':'.$env{'user.domain'};
	}
	my $lockhash = {
	"lock\0$now" => $lockuser,
	};
	my $tries = 0;
	my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom);
	my ($code,$error);
	while (($gotlock ne 'ok') && ($tries<3)) {
	$tries ++;
	sleep 1;
	$gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom);
	}
	if ($gotlock eq 'ok') {
	$init = &shorten_symbs($cdom,$init,$su,\%coursetiny,\%tocreate,\%newunique,
	\%addcourse,\%courseonly,\%failed);
	if (keys(%failed)) {
	my $numfailed = scalar(keys(%failed));
	push(@errors,&mt('error: could not obtain unique six character URL for [quant,_1,resource]',$numfailed));
	}
	if (keys(%newunique)) {
	my $putres = &Apache::lonnet::newput_dom('tiny',\%newunique,$cdom);
	if ($putres eq 'ok') {
	$numnew = scalar(keys(%newunique));
	my $newputres = &Apache::lonnet::newput('tiny',\%addcourse,$cdom,$cnum);
	unless ($newputres eq 'ok') {
	push(@errors,&mt('error: could not store course look-up of short URLs'));
	}
	} else {
	push(@errors,&mt('error: could not store unique six character URLs'));
	}
	}
	my $dellockres = &Apache::lonnet::del_dom('tiny',["lock\0$now"],$cdom);
	unless ($dellockres eq 'ok') {
	push(@errors,&mt('error: could not release lockfile'));
	}
	} else {
	push(@errors,&mt('error: could not obtain lockfile'));
	}
	if (keys(%courseonly)) {
	my $result = &Apache::lonnet::newput('tiny',\%courseonly,$cdom,$cnum);
	if ($result ne 'ok') {
	push(@errors,&mt('error: could not update course look-up of short URLs'));
	}
	}
	}
	}
	return ($numnew,\@errors);
	}

	sub shorten_symbs {
	my ($cdom,$init,$su,$coursetiny,$tocreate,$newunique,$addcourse,$courseonly,$failed) = @_;
	return unless ((ref($su)) && (ref($coursetiny) eq 'HASH') && (ref($tocreate) eq 'HASH') &&
	(ref($newunique) eq 'HASH') && (ref($addcourse) eq 'HASH') &&
	(ref($courseonly) eq 'HASH') && (ref($failed) eq 'HASH'));
	my (%possibles,%collisions);
	foreach my $key (keys(%{$tocreate})) {
	my $num = String::CRC32::crc32($key);
	my $tiny = $su->encode($num,$init);
	if ($tiny) {
	$possibles{$tiny} = $key;
	}
	}
	if (!$init) {
	$init = 1;
	} else {
	$init ++;
	}
	if (keys(%possibles)) {
	my @posstiny = keys(%possibles);
	my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
	my %currtiny = &Apache::lonnet::get('tiny',\@posstiny,$cdom,$configuname);
	if (keys(%currtiny)) {
	foreach my $key (keys(%currtiny)) {
	next if ($currtiny{$key} eq '');
	if ($currtiny{$key} eq $possibles{$key}) {
	my ($tcnum,$tsymb) = split(/\&/,$currtiny{$key});
	unless (($coursetiny->{$tsymb} eq $key) \|\| ($addcourse->{$tsymb} eq $key) \|\| ($courseonly->{$tsymb} eq $key)) {
	$courseonly->{$tsymb} = $key;
	}
	} else {
	$collisions{$possibles{$key}} = 1;
	}
	delete($possibles{$key});
	}
	}
	foreach my $key (keys(%possibles)) {
	$newunique->{$key} = $possibles{$key};
	my ($tcnum,$tsymb) = split(/\&/,$possibles{$key});
	unless (($coursetiny->{$tsymb} eq $key) \|\| ($addcourse->{$tsymb} eq $key) \|\| ($courseonly->{$tsymb} eq $key)) {
	$addcourse->{$tsymb} = $key;
	}
	}
	}
	if (keys(%collisions)) {
	if ($init <5) {
	if (!$init) {
	$init = 1;
	} else {
	$init ++;
	}
	$init = &shorten_symbs($cdom,$init,$su,$coursetiny,\%collisions,
	$newunique,$addcourse,$courseonly,$failed);
	} else {
	foreach my $key (keys(%collisions)) {
	$failed->{$key} = 1;
	}
	}
	}
	return $init;
	}

	sub is_nonframeable {
	my ($url,$absolute,$hostname,$ip,$nocache) = @_;
	my ($remprotocol,$remhost) = ($url =~ m{^(https?)\://(([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,})}i);
	return if (($remprotocol eq '') \|\| ($remhost eq ''));

	$remprotocol = lc($remprotocol);
	$remhost = lc($remhost);
	my $remport = 80;
	if ($remprotocol eq 'https') {
	$remport = 443;
	}
	my ($result,$cached) = &Apache::lonnet::is_cached_new('noiframe',$remhost.':'.$remport);
	if ($cached) {
	unless ($nocache) {
	if ($result) {
	return 1;
	} else {
	return 0;
	}
	}
	}
	my $uselink;
	my $request = new HTTP::Request('HEAD',$url);
	my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',5);
	if ($response->is_success()) {
	my $secpolicy = lc($response->header('content-security-policy'));
	my $xframeop = lc($response->header('x-frame-options'));
	$secpolicy =~ s/^\s+\|\s+$//g;
	$xframeop =~ s/^\s+\|\s+$//g;
	if (($secpolicy ne '') \|\| ($xframeop ne '')) {
	my $remotehost = $remprotocol.'://'.$remhost;
	my ($origin,$protocol,$port);
	if ($ENV{'SERVER_PORT'} =~/^\d+$/) {
	$port = $ENV{'SERVER_PORT'};
	} else {
	$port = 80;
	}
	if ($absolute eq '') {
	$protocol = 'http:';
	if ($port == 443) {
	$protocol = 'https:';
	}
	$origin = $protocol.'//'.lc($hostname);
	} else {
	$origin = lc($absolute);
	($protocol,$hostname) = ($absolute =~ m{^(https?:)//([^/]+)$});
	}
	if (($secpolicy) && ($secpolicy =~ /\Qframe-ancestors\E([^;]*)(;\|$)/)) {
	my $framepolicy = $1;
	$framepolicy =~ s/^\s+\|\s+$//g;
	my @policies = split(/\s+/,$framepolicy);
	if (@policies) {
	if (grep(/^\Q'none'\E$/,@policies)) {
	$uselink = 1;
	} else {
	$uselink = 1;
	if ((grep(/^\Q*\E$/,@policies)) \|\| (grep(/^\Q$protocol\E$/,@policies)) \|\|
	(($origin ne '') && (grep(/^\Q$origin\E$/,@policies))) \|\|
	(($ip ne '') && (grep(/^\Q$ip\E$/,@policies)))) {
	undef($uselink);
	}
	if ($uselink) {
	if (grep(/^\Q'self'\E$/,@policies)) {
	if (($origin ne '') && ($remotehost eq $origin)) {
	undef($uselink);
	}
	}
	}
	if ($uselink) {
	my @possok;
	if ($ip ne '') {
	push(@possok,$ip);
	}
	my $hoststr = '';
	foreach my $part (reverse(split(/\./,$hostname))) {
	if ($hoststr eq '') {
	$hoststr = $part;
	} else {
	$hoststr = "$part.$hoststr";
	}
	if ($hoststr eq $hostname) {
	push(@possok,$hostname);
	} else {
	push(@possok,"*.$hoststr");
	}
	}
	if (@possok) {
	foreach my $poss (@possok) {
	last if (!$uselink);
	foreach my $policy (@policies) {
	if ($policy =~ m{^(\Q$protocol\E//\|)\Q$poss\E(\Q:$port\E\|)$}) {
	undef($uselink);
	last;
	}
	}
	}
	}
	}
	}
	}
	} elsif ($xframeop ne '') {
	$uselink = 1;
	my @policies = split(/\s,\s/,$xframeop);
	if (@policies) {
	unless (grep(/^deny$/,@policies)) {
	if ($origin ne '') {
	if (grep(/^sameorigin$/,@policies)) {
	if ($remotehost eq $origin) {
	undef($uselink);
	}
	}
	if ($uselink) {
	foreach my $policy (@policies) {
	if ($policy =~ /^allow-from\s*(.+)$/) {
	my $allowfrom = $1;
	if (($allowfrom ne '') && ($allowfrom eq $origin)) {
	undef($uselink);
	last;
	}
	}
	}
	}
	}
	}
	}
	}
	}
	}
	if ($nocache) {
	if ($cached) {
	my $devalidate;
	if ($uselink && !$result) {
	$devalidate = 1;
	} elsif (!$uselink && $result) {
	$devalidate = 1;
	}
	if ($devalidate) {
	&Apache::lonnet::devalidate_cache_new('noiframe',$remhost.':'.$remport);
	}
	}
	} else {
	if ($uselink) {
	$result = 1;
	} else {
	$result = 0;
	}
	&Apache::lonnet::do_cache_new('noiframe',$remhost.':'.$remport,$result,3600);
	}
	return $uselink;
	}

	sub page_menu {
	my ($menucolls,$menunum) = @_;
	my %menu;
	foreach my $item (split(/;/,$menucolls)) {
	my ($num,$value) = split(/\%/,$item);
	if ($num eq $menunum) {
	my @entries = split(/\&/,$value);
	foreach my $entry (@entries) {
	my ($name,$fields) = split(/=/,$entry);
	if (($name eq 'top') \|\| ($name eq 'inline') \|\| ($name eq 'foot') \|\| ($name eq 'main')) {
	$menu{$name} = $fields;
	} else {
	my @shown;
	if ($fields =~ /,/) {
	@shown = split(/,/,$fields);
	} else {
	@shown = ($fields);
	}
	if (@shown) {
	foreach my $field (@shown) {
	next if ($field eq '');
	$menu{$field} = 1;
	}
	}
	}
	}
	}
	}
	return %menu;
	}

1;	1;
__END__;	__END__;

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1075.2.109
changed lines
	Added in v.1.1384