loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.1075.2.103 and 1.1333

version 1.1075.2.103, 2016/08/06 20:15:00	version 1.1333, 2019/08/25 02:42:56
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 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 162 sub ssi_with_retries {	Line 173 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 192 BEGIN {	Line 204 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 213 BEGIN {	Line 226 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 227 BEGIN {	Line 240 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 241 BEGIN {	Line 254 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 255 BEGIN {	Line 268 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 270 BEGIN {	Line 283 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 673 if (!Array.prototype.indexOf) {	Line 686 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 874 sub selectcourse_link {	Line 887 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 909 sub check_uncheck_jscript {	Line 924 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 934 ENDSCRT	Line 949 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 956 sub select_timezone {	Line 971 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 990 sub select_datelocale {	Line 1005 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 1009 sub select_datelocale {	Line 1024 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 ($includeempty) {
%langchoices = ('' => 'No language preference');	%langchoices = ('' => 'No language preference');
Line 1021 sub select_language {	Line 1036 sub select_language {
}	}
}	}
%langchoices = &Apache::lonlocal::texthash(%langchoices);	%langchoices = &Apache::lonlocal::texthash(%langchoices);
return &select_form($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 1058 linked_select_forms takes the following	Line 1100 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 1112 sub linked_select_forms {	Line 1157 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 1120 sub linked_select_forms {	Line 1166 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 1169 function select1_changed() {	Line 1213 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 1246 sub help_open_topic {	Line 1290 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 1258 sub help_open_topic {	Line 1298 sub help_open_topic {
}	}

# Add the text	# Add the text
	my $target = ' target="_top"';
	if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) {
	$target = '';
	}
if ($text ne "") {	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 1270 sub help_open_topic {	Line 1314 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 1299 sub helpLatexCheatsheet {	Line 1343 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 $out;
Line 1366 sub help_open_menu {	Line 1410 sub help_open_menu {
sub top_nav_help {	sub top_nav_help {
my ($text) = @_;	my ($text) = @_;
$text = &mt($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 1399 sub help_menu_js {	Line 1441 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 1465 sub help_open_bug {	Line 1507 sub help_open_bug {
{	{
$link = $url;	$link = $url;
}	}

	my $target = ' target="_top"';
	if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) {
	$target = '';
	}
# Add the text	# Add the text
if ($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." 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 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 1742 RESIZE	Line 1789 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 1929 sub create_text_file {	Line 2494 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 2001 sub multiple_select_form {	Line 2580 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 2014 See lonrights.pm for an example invocati	Line 2596 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 2188 sub select_level_form {	Line 2774 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 2203 The optional $onchange argument specifie	Line 2789 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)} (@{$incdoms});
Line 2221 sub select_dom_form {	Line 2812 sub select_dom_form {
}	}
if ($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 2449 This is not an optimal method, but it wo	Line 3040 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 2577 sub authform_nochange {	Line 3170 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');	$result = &mt('Under your current role you are not permitted to change login settings for this user');
Line 2599 sub authform_kerberos {	Line 3192 sub authform_kerberos {
@_,	@_,
);	);
my ($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 ($in{'curr_authtype'} eq 'krb') {
Line 2650 sub authform_kerberos {	Line 3246 sub authform_kerberos {
if (defined($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 2659 sub authform_kerberos {	Line 3255 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'} && !$can_assign{'krb5'} &&
Line 2672 sub authform_kerberos {	Line 3268 sub authform_kerberos {
'<label>'.$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	$result .= &mt
Line 2683 sub authform_kerberos {	Line 3279 sub authform_kerberos {
'<label>'.$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 2693 sub authform_kerberos {	Line 3289 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.'"'.$disabled.' />',
'<label><input type="hidden" name="krbver" value="5" />',	'<label><input type="hidden" name="krbver" value="5" />',
'</label>');	'</label>');
}	}
Line 2706 sub authform_internal {	Line 3302 sub authform_internal {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($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 ($can_assign{'int'}) {
Line 2736 sub authform_internal {	Line 3335 sub authform_internal {
if (defined($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 2744 sub authform_internal {	Line 3343 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 2761 sub authform_local {	Line 3360 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 ($can_assign{'loc'}) {
Line 2791 sub authform_local {	Line 3393 sub authform_local {
if (defined($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 2800 sub authform_local {	Line 3402 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 $result;
Line 2815 sub authform_filesystem {	Line 3417 sub authform_filesystem {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($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 2829 sub authform_filesystem {	Line 3434 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 ($authnum == 1) {
Line 2842 sub authform_filesystem {	Line 3447 sub authform_filesystem {
if (defined($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 2851 sub authform_filesystem {	Line 3456 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 2874 sub get_assignable_auth {	Line 3534 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 2882 sub get_assignable_auth {	Line 3543 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';	$context = 'course';
Line 2906 sub get_assignable_auth {	Line 3567 sub get_assignable_auth {
return ($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 $rule ('min','max','uc','ls','num','spec') {
	if (grep(/^$rule$/,@brokerule)) {
	$warning .= '<li>'.$rulenames{$rule}.'</li>';
	}
	}
	$warning .= '</ul>';
	}
	if (wantarray) {
	return @brokerule;
	}
	return $warning;
	}

###############################################################	###############################################################
## Get Kerberos Defaults for Domain ##	## Get Kerberos Defaults for Domain ##
###############################################################	###############################################################
Line 3073 sub get_related_words {	Line 3807 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 3543 category	Line 4337 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 3710 Return string with previous attempt on p	Line 4508 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 3797 sub get_previous_attempt {	Line 4595 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 ($identifier ne '') {
Line 3858 sub get_previous_attempt {	Line 4656 sub get_previous_attempt {
if ($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.':'.$id.'.rawrndseed'};
}	}
Line 3875 sub get_previous_attempt {	Line 4673 sub get_previous_attempt {
next if ($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.':'.$id.'.rawrndseed'};
}	}
Line 3906 sub get_previous_attempt {	Line 4704 sub get_previous_attempt {
if ($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>';	$prevattempts.='<td> </td>';
}	}
Line 3922 sub get_previous_attempt {	Line 4720 sub get_previous_attempt {
if ($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 3943 sub get_previous_attempt {	Line 4747 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 3970 sub format_previous_attempt_value {	Line 4776 sub format_previous_attempt_value {
}	}
}	}
} else {	} else {
$value = &unescape($value);	$value = &HTML::Entities::encode(&unescape($value), '"<>&');
}	}
return $value;	return $value;
}	}
Line 4032 sub get_student_view {	Line 4838 sub get_student_view {
}	}
if (defined($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 4354 sub blockcheck {	Line 5163 sub blockcheck {
# 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 '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 4438 sub blockcheck {	Line 5248 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;	$no_userblock = 1;
Line 4460 sub blockcheck {	Line 5270 sub blockcheck {
($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);
if (($start != 0) &&	if (($start != 0) &&
Line 4549 sub get_blocks {	Line 5359 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 4637 sub blocking_status {	Line 5453 sub blocking_status {
my $querystring = "?activity=$activity";	my $querystring = "?activity=$activity";
# $uname and $udom decide whose portfolio the user is trying to look at	# $uname and $udom decide whose portfolio the user is trying to look at
if (($activity eq 'port') \|\| ($activity eq 'passwd')) {	if (($activity eq 'port') \|\| ($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,'&"');	$querystring .= '&url='.&HTML::Entities::encode($url,'&"');
Line 4665 END_MYBLOCK	Line 5481 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 'alert') {
	$text = &mt('Checking Critical Messages Blocked');
	} elsif ($activity eq 'reinit') {
	$text = &mt('Checking Course Update Blocked');
}	}
$output .= <<"END_BLOCK";	$output .= <<"END_BLOCK";
<div class='$class'>	<div class='$class'>
Line 4683 END_BLOCK	Line 5503 END_BLOCK
###############################################	###############################################

sub check_ip_acc {	sub check_ip_acc {
my ($acc)=@_;	my ($acc,$clientip)=@_;
&Apache::lonxml::debug("acc is $acc");	&Apache::lonxml::debug("acc is $acc");
if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {	if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {
return 1;	return 1;
}	}
my $allowed=0;	my $allowed;
my $ip=$env{'request.host'} \|\| $ENV{'REMOTE_ADDR'};	my $ip=$ENV{'REMOTE_ADDR'} \|\| $clientip \|\| $env{'request.host'};

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 4706 sub check_ip_acc {	Line 5548 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 4716 sub check_ip_acc {	Line 5558 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 4727 sub check_ip_acc {	Line 5569 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 4794 sub get_domainconf {	Line 5643 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 4874 sub get_legacy_domconf {	Line 5724 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 5063 sub CSTR_pageheader {	Line 5913 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'); #FIXME lonpubdir: target="_parent"
	if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) {
	$target = '';
	$crumbtarget = '';
	}

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 .=	$output .=
Line 5077 sub CSTR_pageheader {	Line 5942 sub CSTR_pageheader {
.$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();
.&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();
	}
	$output .= '</div>';

return $output;	return $output;
}	}
Line 5125 Inputs:	Line 5995 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 5146 other decorations will be returned.	Line 6030 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)=@_;

my $public;	my $public;
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))	if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
Line 5155 sub bodytag {	Line 6039 sub bodytag {
}	}
if (!$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',$domain);
Line 5182 sub bodytag {	Line 6067 sub bodytag {
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
if ($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 ($env{'request.course.sec'}) {	if ($env{'request.course.sec'}) {
$role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};	$role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};
Line 5208 sub bodytag {	Line 6101 sub bodytag {
if ($public) {	if ($public) {
undef($role);	undef($role);
}	}

	if (($env{'request.course.id'}) && ($env{'request.lti.login'})) {
	if (ref($ltimenu) eq 'HASH') {
	unless ($ltimenu->{'role'}) {
	undef($role);
	}
	unless ($ltimenu->{'coursetitle'}) {
	$realm=' ';
	}
	}
	}

my $titleinfo = '<h1>'.$title.'</h1>';	my $titleinfo = '<h1>'.$title.'</h1>';
#	#
# Extra info if you are the DC	# Extra info if you are the DC
Line 5221 sub bodytag {	Line 6125 sub bodytag {
$dc_info =~ s/\s+$//;	$dc_info =~ s/\s+$//;
}	}

$role = '<span class="LC_nobreak">('.$role.')</span>' if $role;	my $crstype;
	if ($env{'request.course.id'}) {
if ($env{'request.state'} eq 'construct') { $forcereg=1; }	$crstype = $env{'course.'.$env{'request.course.id'}.'.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 5248 sub bodytag {	Line 6146 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);

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'});
	}
$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 5303 sub bodytag {	Line 6205 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 5382 sub make_attr_string {	Line 6236 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 5598 div.LC_confirm_box .LC_success img {	Line 6445 div.LC_confirm_box .LC_success img {
vertical-align: middle;	vertical-align: middle;
}	}

	.LC_maxwidth {
	max-width: 100%;
	height: auto;
	}

	.LC_textsize_mobile {
	\@media only screen and (max-device-width: 480px) {
	-webkit-text-size-adjust:100%; -moz-text-size-adjust:100%; -ms-text-size-adjust:100%;
	}
	}

.LC_icon {	.LC_icon {
border: none;	border: none;
vertical-align: middle;	vertical-align: middle;
Line 5703 ul.LC_breadcrumb_tools_outerlist li {	Line 6561 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 5719 table#LC_menubuttons img {	Line 6583 table#LC_menubuttons img {
vertical-align: middle;	vertical-align: middle;
}	}

	.LC_breadcrumbs_hoverable {
	background: $sidebg;
	}

td.LC_table_cell_checkbox {	td.LC_table_cell_checkbox {
text-align: center;	text-align: center;
}	}
Line 5789 td.LC_menubuttons_text {	Line 6657 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 6110 td.LC_parm_overview_restrictions {	Line 6983 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 6461 table.LC_data_table tr > td.LC_docs_entr	Line 7340 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 6576 div.LC_edit_problem_footer,	Line 7461 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 6592 table.LC_edit_problem_header_title {	Line 7477 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 6615 div.LC_edit_problem_saves {	Line 7503 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 6733 fieldset > legend {	Line 7625 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 6745 ol.LC_primary_menu li {	Line 7636 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 6770 ol.LC_primary_menu li:hover ul, ol.LC_pr	Line 7686 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 6786 ol.LC_primary_menu li li a:hover {	Line 7708 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 6842 ul#LC_secondary_menu li {	Line 7769 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 7329 ul.LC_funclist li {	Line 8255 ul.LC_funclist li {
}	}

/*	/*
	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 7349 span.roman {font-family: serif; font-sty	Line 8285 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 7406 sub headtag {	Line 8456 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'}	&& !$args->{'only_body'}
Line 7527 OFFLOAD	Line 8577 OFFLOAD
if (!$args->{'frameset'}) {	if (!$args->{'frameset'}) {
$result .= ' /';	$result .= ' /';
}	}
$result .= '>'	$result .= '>'
.$inhibitprint	.$inhibitprint
.$head_extra;	.$head_extra;
if ($env{'browser.mobile'}) {	my $clientmobile;
	if (($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) {
	(undef,undef,undef,undef,undef,undef,$clientmobile) = &decode_user_agent();
	} else {
	$clientmobile = $env{'browser.mobile'};
	}
	if ($clientmobile) {
$result .= '	$result .= '
<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 7553 sub font_settings {	Line 8610 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 7711 $args - additional optional args support	Line 8768 $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).

=back	=back

Line 7730 sub start_page {	Line 8791 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);

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'});
	}

if (! exists($args->{'skip_phases'}{'body'}) ) {	if (! exists($args->{'skip_phases'}{'body'}) ) {
if ($args->{'frameset'}) {	if ($args->{'frameset'}) {
Line 7747 sub start_page {	Line 8839 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);
}	}
}	}

Line 7781 sub start_page {	Line 8873 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 $result;
}	}
Line 7888 var modalWindow = {	Line 8985 var modalWindow = {
};	};
var openMyModal = function(source,width,height,scrolling,transparency,style)	var openMyModal = function(source,width,height,scrolling,transparency,style)
{	{
source = source.replace("'","'");	source = source.replace(/'/g,"'");
modalWindow.windowId = "myModal";	modalWindow.windowId = "myModal";
modalWindow.width = width;	modalWindow.width = width;
modalWindow.height = height;	modalWindow.height = height;
Line 7940 sub modal_adhoc_inner {	Line 9037 sub modal_adhoc_inner {
my ($funcname,$width,$height,$content)=@_;	my ($funcname,$width,$height,$content)=@_;
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().
Line 8017 sub end_togglebox {	Line 9114 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 8031 sub LCprogressbar_script {	Line 9129 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 8057 my $LCidcnt;	Line 9177 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 8272 function expand_div(caller) {	Line 9409 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 8585 sub get_sections {	Line 9729 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 8907 Incoming parameters:	Line 10051 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 8981 sub get_user_quota {	Line 10125 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 9130 Inputs: 7	Line 10275 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 9166 sub excess_filesize_warning {	Line 10311 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 9204 sub get_secgrprole_info {	Line 10351 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 9252 sub user_picker {	Line 10415 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 9264 sub user_picker {	Line 10443 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 9446 END_BLOCK	Line 10626 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 9455 sub user_rule_check {	Line 10635 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;	$checkid = 1;
Line 9466 sub user_rule_check {	Line 10646 sub user_rule_check {
if ($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.':'.$udom} = {};
Line 9536 sub user_rule_check {	Line 10716 sub user_rule_check {
if (ref($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->{$user}->{'id'} ne '') {
Line 9559 sub user_rule_check {	Line 10739 sub user_rule_check {
if (ref($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 9582 sub user_rule_check {	Line 10762 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 9761 sub get_institutional_codes {	Line 10941 sub get_institutional_codes {
foreach (@currxlists) {	foreach (@currxlists) {
if (m/^([^:]+):(\w*)$/) {	if (m/^([^:]+):(\w*)$/) {
unless (grep/^$1$/,@{$allcourses}) {	unless (grep/^$1$/,@{$allcourses}) {
push @{$allcourses},$1;	push(@{$allcourses},$1);
$$LC_code{$1} = $2;	$$LC_code{$1} = $2;
}	}
}	}
Line 9774 sub get_institutional_codes {	Line 10954 sub get_institutional_codes {
my $sec = $coursecode.$1;	my $sec = $coursecode.$1;
my $lc_sec = $2;	my $lc_sec = $2;
unless (grep/^$sec$/,@{$allcourses}) {	unless (grep/^$sec$/,@{$allcourses}) {
push @{$allcourses},$sec;	push(@{$allcourses},$sec);
$$LC_code{$sec} = $lc_sec;	$$LC_code{$sec} = $lc_sec;
}	}
}	}
Line 9872 reservable_now - ref to hash of student_	Line 11052 reservable_now - ref to hash of student_

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) endreserve: end date of reservation period.	(b) endreserve: end date of reservation period.
	(c) uniqueperiod: start,end dates when slot is to be uniquely
	selected.

sorted_future - ref to array of student_schedulable slots reservable in	sorted_future - ref to array of student_schedulable slots reservable in
the future, ordered by start date of reservation period.	the future, ordered by start date of reservation period.
Line 9882 future_reservable - ref to hash of stude	Line 11064 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
	selected.

=back	=back

Line 9890 future_reservable - ref to hash of stude	Line 11074 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 9936 sub get_future_slots {	Line 11142 sub get_future_slots {
my $startreserve = $slots{$slot}->{'startreserve'};	my $startreserve = $slots{$slot}->{'startreserve'};
my $endreserve = $slots{$slot}->{'endreserve'};	my $endreserve = $slots{$slot}->{'endreserve'};
my $symb = $slots{$slot}->{'symb'};	my $symb = $slots{$slot}->{'symb'};
	my $uniqueperiod;
	if (ref($slots{$slot}->{'uniqueperiod'}) eq 'ARRAY') {
	$uniqueperiod = join(',',@{$slots{$slot}->{'uniqueperiod'}});
	}
if (($startreserve < $now) &&	if (($startreserve < $now) &&
(!$endreserve \|\| $endreserve > $now)) {	(!$endreserve \|\| $endreserve > $now)) {
my $lastres = $endreserve;	my $lastres = $endreserve;
Line 9944 sub get_future_slots {	Line 11154 sub get_future_slots {
}	}
$reservable_now{$slot} = {	$reservable_now{$slot} = {
symb => $symb,	symb => $symb,
endreserve => $lastres	endreserve => $lastres,
	uniqueperiod => $uniqueperiod,
};	};
} elsif (($startreserve > $now) &&	} elsif (($startreserve > $now) &&
(!$endreserve \|\| $endreserve > $startreserve)) {	(!$endreserve \|\| $endreserve > $startreserve)) {
$future_reservable{$slot} = {	$future_reservable{$slot} = {
symb => $symb,	symb => $symb,
startreserve => $startreserve	startreserve => $startreserve,
	uniqueperiod => $uniqueperiod,
};	};
}	}
}	}
Line 10108 sub get_env_multiple {	Line 11320 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 10124 sub ask_for_embedded_content {	Line 11352 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 10131 sub ask_for_embedded_content {	Line 11362 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 10163 sub ask_for_embedded_content {	Line 11394 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 10208 sub ask_for_embedded_content {	Line 11439 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 10250 sub ask_for_embedded_content {	Line 11491 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 10325 sub ask_for_embedded_content {	Line 11579 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 10363 sub ask_for_embedded_content {	Line 11620 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 10391 sub ask_for_embedded_content {	Line 11650 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 10625 sub ask_for_embedded_content {	Line 11892 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 10644 sub clean_path {	Line 11911 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 10983 sub modify_html_refs {	Line 12250 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 11015 sub modify_html_refs {	Line 12282 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 11080 sub modify_html_refs {	Line 12347 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].',	$output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
Line 11118 sub modify_html_refs {	Line 12385 sub modify_html_refs {
}	}
}	}
if ($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 11597 sub decompress_uploaded_file {	Line 12864 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 11631 sub process_decompression {	Line 12910 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,$dir);
Line 11672 sub process_decompression {	Line 12965 sub process_decompression {
if (ref($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 11728 sub process_decompression {	Line 13020 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'} = $i;
Line 12158 END	Line 13450 END
sub process_extracted_files {	sub process_extracted_files {
my ($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 12171 sub process_extracted_files {	Line 13463 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 12180 sub process_extracted_files {	Line 13472 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';	$containers{'0'}='sequence';
}	}
}	}
Line 12260 sub process_extracted_files {	Line 13552 sub process_extracted_files {
'.'.$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 12269 sub process_extracted_files {	Line 13563 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; $i++) {
Line 12322 sub process_extracted_files {	Line 13625 sub process_extracted_files {
}	}
if ($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{$i}}";
Line 12361 sub process_extracted_files {	Line 13664 sub process_extracted_files {
}	}
if ($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 12369 sub process_extracted_files {	Line 13674 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 12658 sub upfile_store {	Line 13968 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 12673 sub upfile_store {	Line 13986 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 12695 sub load_tmp_file {	Line 14009 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 13135 sub DrawBarGraph {	Line 14457 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 13574 generated by lonerrorhandler.pm, CHECKRP	Line 14896 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 13592 Returns: comma separated list of address	Line 14921 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'}{$mailing}) eq 'HASH') {
Line 13608 sub build_recipient_list {	Line 14937 sub build_recipient_list {
push(@recipients,$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 13635 sub build_recipient_list {	Line 15133 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

	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

	type - File type of attachment

	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, $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 => $body,
	);
	if ($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 13727 jsarray (reference to array of categorie	Line 15319 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 13734 Side effects: populates trails and allit	Line 15328 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 13746 sub extract_categories {	Line 15340 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 = $name;
}	}
Line 13760 sub extract_categories {	Line 15356 sub extract_categories {
if (ref($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 13803 Side effects: populates trails and allit	Line 15402 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(@{$trails})-1;
Line 13830 sub recurse_categories {	Line 15429 sub recurse_categories {
}	}
}	}
&recurse_categories($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 13860 currcat - scalar with an & separated lis	Line 15464 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 $itemcount = 0;
Line 13884 sub assign_categories_table {	Line 15491 sub assign_categories_table {
next if ($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 13898 sub assign_categories_table {	Line 15507 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 13944 path - Array containing all categories b	Line 15555 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 13972 sub assign_category_rows {	Line 15586 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>';	$text .= '</td></tr>';
Line 14125 sub commit_studentrole {	Line 15739 sub commit_studentrole {
}	}
}	}
} else {	} else {
if ($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.$linefeed;
Line 14204 sub check_clone {	Line 15818 sub check_clone {
my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
if ($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'});	$clonemsg = &mt('No new community created.').$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'});
return ($can_clone, $clonemsg, $cloneid, $clonehome);	return ($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;	$can_clone = 1;
} else {	} else {
Line 14222 sub check_clone {	Line 15836 sub check_clone {
if ($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 14241 sub check_clone {	Line 15855 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 $cloner (@cloners) {
Line 14280 sub check_clone {	Line 15894 sub check_clone {
if ($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 14297 sub check_clone {	Line 15911 sub check_clone {
$clonemsg = &mt('No new community created.').$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'});	$clonemsg = &mt('No new community created.').$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'});
} 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'});	$clonemsg = &mt('No new course created.').$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'});
}	}
}	}
}	}
}	}
Line 14305 sub check_clone {	Line 15919 sub check_clone {
}	}

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,
	$cnum,$category,$coderef) = @_;
my $outcome;	my $outcome;
my $linefeed = '<br />'."\n";	my $linefeed = '<br />'."\n";
if ($context eq 'auto') {	if ($context eq 'auto') {
Line 14333 sub construct_course {	Line 15948 sub construct_course {
#	#
# 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 14350 sub construct_course {	Line 15970 sub construct_course {
# 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,$$courseid).$linefeed;	$outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$showncrstype,$$courseid).$linefeed;
if ($$courseid =~ /^error:/) {	if ($$courseid =~ /^error:/) {
return (0,$outcome);	return (0,$outcome);
}	}
Line 14370 sub construct_course {	Line 15990 sub construct_course {
# Do the cloning	# Do the cloning
#	#
if ($can_clone && $cloneid) {	if ($can_clone && $cloneid) {
$clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);	$clonemsg = &mt('Cloning [_1] from [_2]',$showncrstype,$clonehome);
if ($context ne 'auto') {	if ($context ne 'auto') {
$clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';	$clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
}	}
Line 14453 sub construct_course {	Line 16073 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 14481 sub construct_course {	Line 16101 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 14516 sub construct_course {	Line 16136 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 ($args->{'no_end_date'}) {
Line 14569 sub construct_course {	Line 16190 sub construct_course {
if ($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 14603 sub construct_course {	Line 16227 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 14675 sub construct_course {	Line 16299 sub construct_course {
$outcome .= ($fatal?$errtext:'write ok').$linefeed;	$outcome .= ($fatal?$errtext:'write ok').$linefeed;
}	}

	#
	# 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,$outcome);	return (1,$outcome);
}	}

Line 14688 sub make_unique_code {	Line 16336 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 14735 sub generate_code {	Line 16383 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 14754 sub group_term {	Line 16401 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 14844 sub compare_arrays {	Line 16494 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 14851 sub init_user_environment {	Line 16519 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 14874 sub init_user_environment {	Line 16540 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 14914 sub init_user_environment {	Line 16597 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 14967 sub init_user_environment {	Line 16649 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 15103 and quotacheck.pl	Line 16821 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 15124 cloneruname - username of owner of new c	Line 16842 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 15227 sub build_filters {	Line 16945 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 15243 sub build_filters {	Line 16965 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 15251 sub build_filters {	Line 16975 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>";	$typeselectform.="</select>";
}	}
Line 15278 sub build_filters {	Line 17008 sub build_filters {
if (exists($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 15407 $typeelement	Line 17137 $typeelement
return $jscript.$clonewarning.$output;	return $jscript.$clonewarning.$output;
}	}

=pod	=pod

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

Line 15422 item - name of form element (sincefilter	Line 17152 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 15459 page load completion for page showing se	Line 17189 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 15498 to retrieve a hash for which keys are co	Line 17228 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 15510 cloneruname - optional username of new c	Line 17240 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 15520 cc_clone - escaped comma separated list	Line 17250 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 15604 sub search_courses {	Line 17334 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 15647 $required - LON-CAPA version needed by c	Line 17377 $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 15761 Inputs:	Line 17491 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 15769 Returns: an array; first element is:	Line 17499 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 15779 Returns: an array; first element is:	Line 17509 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 15800 sub needs_coursereinit {	Line 17530 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 $blocked = &blocking_status('reinit',$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 15824 sub needs_coursereinit {	Line 17558 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{$key}));
Line 15852 sub update_content_constraints {	Line 17598 sub update_content_constraints {
($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,$cid);
}	}
Line 15874 sub allmaps_incourse {	Line 17650 sub allmaps_incourse {
if ($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 15910 sub parse_supplemental_title {	Line 17686 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 ($fatal) {
Line 15921 sub recurse_supplemental {	Line 17697 sub recurse_supplemental {
my ($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 ++;	$numfiles ++;
}	}
}	}
Line 15930 sub recurse_supplemental {	Line 17710 sub recurse_supplemental {
}	}
}	}
}	}
return ($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 15943 sub symb_to_docspath {	Line 17723 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=$2;
Line 15955 sub symb_to_docspath {	Line 17737 sub symb_to_docspath {
if ($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 16002 sub symb_to_docspath {	Line 17784 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) = &get_captcha_config($context,$lonhost);	my ($captcha,$pubkey,$privkey,$version) =
	&get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
$output = &create_captcha();	$output = &create_captcha();
unless ($output) {	unless ($output) {
$error = 'captcha';	$error = 'captcha';
}	}
} elsif ($captcha eq 'recaptcha') {	} elsif ($captcha eq 'recaptcha') {
$output = &create_recaptcha($pubkey);	$output = &create_recaptcha($pubkey,$version);
unless ($output) {	unless ($output) {
$error = 'recaptcha';	$error = 'recaptcha';
}	}
}	}
return ($output,$error,$captcha);	return ($output,$error,$captcha,$version);
}	}

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) = &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') {
$captcha_chk = &check_recaptcha($privkey);	$captcha_chk = &check_recaptcha($privkey,$version);
} else {	} else {
$captcha_chk = 1;	$captcha_chk = 1;
}	}
Line 16034 sub captcha_response {	Line 17817 sub captcha_response {
}	}

sub get_captcha_config {	sub get_captcha_config {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$dom_in_effect) = @_;
my ($captcha,$pubkey,$privkey,$hashtocheck);	my ($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);
my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);	my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
Line 16051 sub get_captcha_config {	Line 17834 sub get_captcha_config {
}	}
if ($privkey && $pubkey) {	if ($privkey && $pubkey) {
$captcha = 'recaptcha';	$captcha = 'recaptcha';
	$version = $hashtocheck->{'recaptchaversion'};
	if ($version ne '2') {
	$version = 1;
	}
} else {	} else {
$captcha = 'original';	$captcha = 'original';
}	}
Line 16068 sub get_captcha_config {	Line 17855 sub get_captcha_config {
$privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};	$privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
if ($privkey && $pubkey) {	if ($privkey && $pubkey) {
$captcha = 'recaptcha';	$captcha = 'recaptcha';
	$version = $domconfhash{$serverhomedom.'.login.recaptchaversion'};
	if ($version ne '2') {
	$version = 1;
	}
} else {	} else {
$captcha = 'original';	$captcha = 'original';
}	}
} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {	} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
$captcha = 'original';	$captcha = 'original';
}	}
}	} elsif ($context eq 'passwords') {
return ($captcha,$pubkey,$privkey);	if ($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);
}	}

sub create_captcha {	sub create_captcha {
Line 16098 sub create_captcha {	Line 17910 sub create_captcha {
last;	last;
}	}
}	}
	if ($output eq '') {
	&Apache::lonnet::logthis("Failed to create Captcha code after $tries attempts.");
	}
return $output;	return $output;
}	}

Line 16134 sub check_captcha {	Line 17949 sub check_captcha {
}	}

sub create_recaptcha {	sub create_recaptcha {
my ($pubkey) = @_;	my ($pubkey,$version) = @_;
my $use_ssl;	if ($version >= 2) {
if ($ENV{'SERVER_PORT'} == 443) {	return '<div class="g-recaptcha" data-sitekey="'.$pubkey.'"></div>';
$use_ssl = 1;	} else {
}	my $use_ssl;
my $captcha = Captcha::reCAPTCHA->new;	if ($ENV{'SERVER_PORT'} == 443) {
return $captcha->get_options_setter({theme => 'white'})."\n".	$use_ssl = 1;
$captcha->get_html($pubkey,undef,$use_ssl).	}
&mt('If the text is hard to read, [_1] will replace them.',	my $captcha = Captcha::reCAPTCHA->new;
'<img src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').	return $captcha->get_options_setter({theme => 'white'})."\n".
'<br /><br />';	$captcha->get_html($pubkey,undef,$use_ssl).
	&mt('If the text is hard to read, [_1] will replace them.',
	'<img src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').
	'<br /><br />';
	}
}	}

sub check_recaptcha {	sub check_recaptcha {
my ($privkey) = @_;	my ($privkey,$version) = @_;
my $captcha_chk;	my $captcha_chk;
my $captcha = Captcha::reCAPTCHA->new;	if ($version >= 2) {
my $captcha_result =	my %info = (
$captcha->check_answer(	secret => $privkey,
$privkey,	response => $env{'form.g-recaptcha-response'},
$ENV{'REMOTE_ADDR'},	remoteip => $ENV{'REMOTE_ADDR'},
$env{'form.recaptcha_challenge_field'},	);
$env{'form.recaptcha_response_field'},	my $request=new HTTP::Request('POST','https://www.google.com/recaptcha/api/siteverify');
);	$request->content(join('&',map {
if ($captcha_result->{is_valid}) {	my $name = escape($_);
$captcha_chk = 1;	"$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) {
	my $data = JSON::DWIW->from_json($response->decoded_content);
	if (ref($data) eq 'HASH') {
	if ($data->{'success'}) {
	$captcha_chk = 1;
	}
	}
	}
	} else {
	my $captcha = Captcha::reCAPTCHA->new;
	my $captcha_result =
	$captcha->check_answer(
	$privkey,
	$ENV{'REMOTE_ADDR'},
	$env{'form.recaptcha_challenge_field'},
	$env{'form.recaptcha_response_field'},
	);
	if ($captcha_result->{is_valid}) {
	$captcha_chk = 1;
	}
}	}
return $captcha_chk;	return $captcha_chk;
}	}
Line 16202 sub cleanup_html {	Line 18045 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) = @_;
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 $blocked = &blocking_status('alert',$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]!~/^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 16254 sub des_decrypt {	Line 18113 sub des_decrypt {
} else {	} else {
$cypher=new DES $keybin;	$cypher=new DES $keybin;
}	}
my $plaintext=	my $plaintext='';
$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));	my $cypherlength = length($cyphertext);
$plaintext.=	my $numchunks = int($cypherlength/32);
$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));	for (my $j=0; $j<$numchunks; $j++) {
$plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );	my $start = $j*32;
	my $cypherblock = substr($cyphertext,$start,32);
	my $chunk =
	$cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,0,16))));
	$chunk .=
	$cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,16,16))));
	$chunk=substr($chunk,1,ord(substr($chunk,0,1)) );
	$plaintext .= $chunk;
	}
return $plaintext;	return $plaintext;
}	}

	sub make_short_symbs {
	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);
	my %tocreate;
	if (keys(%resources)) {
	foreach my $item (sort {$a <=> $b} (@toshorten)) {
	my $symb = $resources{$item};
	if ($symb) {
	$tocreate{$cnum.'&'.$symb} = 1;
	}
	}
	}
	if (keys(%tocreate)) {
	my %coursetiny = &Apache::lonnet::dump('tiny',$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;
	my $lockhash = {
	"lock\0$now" => $env{'user.name'}.
	':'.$env{'user.domain'},
	};
	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;
	}

1;	1;
__END__;	__END__;

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

Removed from v.1.1075.2.103
changed lines
	Added in v.1.1333