loncom/interface/loncommon.pm - diff

Return to loncommon.pm CVS log

Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/loncommon.pm between versions 1.1075.2.165 and 1.1231

version 1.1075.2.165, 2023/09/11 13:54:11	version 1.1231, 2016/01/22 22:42:47
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 HTTP::Request;
use DateTime::TimeZone;	use DateTime::TimeZone;
use DateTime::Locale;	use DateTime::Locale::Catalog;
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 File::Copy();	use MIME::Lite;
use File::Path();	use MIME::Types;

# ---------------------------------------------- Designs	# ---------------------------------------------- Designs
use vars qw(%defaultdesign);	use vars qw(%defaultdesign);
Line 167 sub ssi_with_retries {	Line 165 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 197 BEGIN {	Line 196 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 218 BEGIN {	Line 218 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 232 BEGIN {	Line 232 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 246 BEGIN {	Line 246 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 260 BEGIN {	Line 260 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 275 BEGIN {	Line 275 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 428 sub studentbrowser_javascript {	Line 428 sub studentbrowser_javascript {
<script type="text/javascript" language="Javascript">	<script type="text/javascript" language="Javascript">
// <![CDATA[	// <![CDATA[
var stdeditbrowser;	var stdeditbrowser;
function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadv) {	function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadvonly) {
var url = '/adm/pickstudent?';	var url = '/adm/pickstudent?';
var filter;	var filter;
if (!ignorefilter) {	if (!ignorefilter) {
Line 443 sub studentbrowser_javascript {	Line 443 sub studentbrowser_javascript {
'&udomelement='+udom+	'&udomelement='+udom+
'&clicker='+clicker;	'&clicker='+clicker;
if (roleflag) { url+="&roles=1"; }	if (roleflag) { url+="&roles=1"; }
if (courseadv == 'condition') {	if (courseadvonly) { url+="&courseadvonly=1"; }
if (document.getElementById('courseadv')) {
courseadv = document.getElementById('courseadv').value;
}
}
if ((courseadv == 'only') \|\| (courseadv == 'none')) { url+="&courseadv="+courseadv; }
var title = 'Student_Browser';	var title = 'Student_Browser';
var options = 'scrollbars=1,resizable=1,menubar=0';	var options = 'scrollbars=1,resizable=1,menubar=0';
options += ',width=700,height=600';	options += ',width=700,height=600';
Line 480 ENDRESBRW	Line 475 ENDRESBRW
}	}

sub selectstudent_link {	sub selectstudent_link {
my ($form,$unameele,$udomele,$courseadv,$clickerid)=@_;	my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;
my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".	my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
&Apache::lonhtmlcommon::entity_encode($unameele)."','".	&Apache::lonhtmlcommon::entity_encode($unameele)."','".
&Apache::lonhtmlcommon::entity_encode($udomele)."'";	&Apache::lonhtmlcommon::entity_encode($udomele)."'";
Line 491 sub selectstudent_link {	Line 486 sub selectstudent_link {
return '';	return '';
}	}
$callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";	$callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
if ($courseadv eq 'only') {	if ($courseadvonly) {
$callargs .= ",'',1,'$courseadv'";	$callargs .= ",'',1,1";
} elsif ($courseadv eq 'none') {
$callargs .= ",'','','$courseadv'";
} elsif ($courseadv eq 'condition') {
$callargs .= ",'','','$courseadv'";
}	}
return '<span class="LC_nobreak">'.	return '<span class="LC_nobreak">'.
'<a href="javascript:openstdbrowser('.$callargs.');">'.	'<a href="javascript:openstdbrowser('.$callargs.');">'.
Line 597 sub coursebrowser_javascript {	Line 588 sub coursebrowser_javascript {
if (formname == 'ccrs') {	if (formname == 'ccrs') {
var ownername = document.forms[formid].ccuname.value;	var ownername = document.forms[formid].ccuname.value;
var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;	var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
url += '&cloner='+ownername+':'+ownerdom;	url += '&cloner='+ownername+':'+ownerdom+'&crscode='+document.forms[formid].crscode.value;
if (type == 'Course') {
url += '&crscode='+document.forms[formid].crscode.value;
}
}	}
if (formname == 'requestcrs') {	if (formname == 'requestcrs') {
url += '&crsdom=$domainfilter&crscode=$instcode';	url += '&crsdom=$domainfilter&crscode=$instcode';
Line 687 if (!Array.prototype.indexOf) {	Line 675 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 923 sub check_uncheck_jscript {	Line 911 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 948 ENDSCRT	Line 936 ENDSCRT
}	}

sub select_timezone {	sub select_timezone {
my ($name,$selected,$onchange,$includeempty,$disabled)=@_;	my ($name,$selected,$onchange,$includeempty)=@_;
my $output='<select name="'.$name.'" '.$onchange.$disabled.'>'."\n";	my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
if ($includeempty) {	if ($includeempty) {
$output .= '<option value=""';	$output .= '<option value=""';
if (($selected eq '') \|\| ($selected eq 'local')) {	if (($selected eq '') \|\| ($selected eq 'local')) {
Line 970 sub select_timezone {	Line 958 sub select_timezone {
}	}

sub select_datelocale {	sub select_datelocale {
my ($name,$selected,$onchange,$includeempty,$disabled)=@_;	my ($name,$selected,$onchange,$includeempty)=@_;
my $output='<select name="'.$name.'" '.$onchange.$disabled.'>'."\n";	my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
if ($includeempty) {	if ($includeempty) {
$output .= '<option value=""';	$output .= '<option value=""';
if ($selected eq '') {	if ($selected eq '') {
Line 979 sub select_datelocale {	Line 967 sub select_datelocale {
}	}
$output .= '> </option>';	$output .= '> </option>';
}	}
my @languages = &Apache::lonlocal::preferred_languages();
my (@possibles,%locale_names);	my (@possibles,%locale_names);
my @locales = DateTime::Locale->ids();	my @locales = DateTime::Locale::Catalog::Locales;
foreach my $id (@locales) {	foreach my $locale (@locales) {
if ($id ne '') {	if (ref($locale) eq 'HASH') {
my ($en_terr,$native_terr);	my $id = $locale->{'id'};
my $loc = DateTime::Locale->load($id);	if ($id ne '') {
if (ref($loc)) {	my $en_terr = $locale->{'en_territory'};
$en_terr = $loc->name();	my $native_terr = $locale->{'native_territory'};
$native_terr = $loc->native_name();	my @languages = &Apache::lonlocal::preferred_languages();
if (grep(/^en$/,@languages) \|\| !@languages) {	if (grep(/^en$/,@languages) \|\| !@languages) {
if ($en_terr ne '') {	if ($en_terr ne '') {
$locale_names{$id} = '('.$en_terr.')';	$locale_names{$id} = '('.$en_terr.')';
Line 1003 sub select_datelocale {	Line 990 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);
}	}
}	}
}	}
Line 1023 sub select_datelocale {	Line 1010 sub select_datelocale {
}	}

sub select_language {	sub select_language {
my ($name,$selected,$includeempty,$noedit) = @_;	my ($name,$selected,$includeempty) = @_;
my %langchoices;	my %langchoices;
if ($includeempty) {	if ($includeempty) {
%langchoices = ('' => 'No language preference');	%langchoices = ('' => 'No language preference');
Line 1035 sub select_language {	Line 1022 sub select_language {
}	}
}	}
%langchoices = &Apache::lonlocal::texthash(%langchoices);	%langchoices = &Apache::lonlocal::texthash(%langchoices);
return &select_form($selected,$name,\%langchoices,undef,$noedit);	return &select_form($selected,$name,\%langchoices);
	}

	=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 1150 sub linked_select_forms {	Line 1164 sub linked_select_forms {
$result.="select2data.d_$s1.texts = new Array(";	$result.="select2data.d_$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";
}	}
Line 1260 sub help_open_topic {	Line 1274 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=$height,resizable=yes'))";
} else {	} else {
Line 1313 sub helpLatexCheatsheet {	Line 1323 sub helpLatexCheatsheet {
.&help_open_topic('Other_Symbols',&mt('Other Symbols'),$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 1378 sub help_open_menu {	Line 1388 sub help_open_menu {
}	}

sub top_nav_help {	sub top_nav_help {
my ($text,$linkattr) = @_;	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 1394 sub top_nav_help {	Line 1402 sub top_nav_help {
if ($link) {	if ($link) {
return <<"END";	return <<"END";
$banner_link	$banner_link
<a href="$link" title="$title" $linkattr>$text</a>	<a href="$link" title="$title">$text</a>
END	END
} else {	} else {
return ' '.$text.' ';	return ' '.$text.' ';
Line 1415 sub help_menu_js {	Line 1423 sub help_menu_js {
'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 1802 sub colorfuleditor_js {	Line 1810 sub colorfuleditor_js {
}	}

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

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

for(var i = 1; i < localStorage.length; i++){	for(var i = 1; i < localStorage.length; i++){
if (regex_getTimestamp.exec(localStorage.key(i)) < oldest_timestamp) {	if (regex_getTimestamp.exec(localStorage.key(i)) < oldest_timestamp) {
oldest_key = localStorage.key(i);	oldest_key = localStorage.key(i);
Line 1839 sub colorfuleditor_js {	Line 1847 sub colorfuleditor_js {
pairs = valueArr[i].split(',');	pairs = valueArr[i].split(',');
elements = document.getElementsByName(pairs[0]);	elements = document.getElementsByName(pairs[0]);

for (var j = 0; j < elements.length; j++){	for (var j = 0; j < elements.length; j++){
elements[j].style.display = pairs[1];	elements[j].style.display = pairs[1];
if (pairs[1] == "none"){	if (pairs[1] == "none"){
var regex_id = /([_\\d]+)\$/;	var regex_id = /([_\\d]+)\$/;
Line 1852 sub colorfuleditor_js {	Line 1860 sub colorfuleditor_js {
}	}

function getTagList () {	function getTagList () {

var stringToSearch = document.lonhomework.innerHTML;	var stringToSearch = document.lonhomework.innerHTML;

var ret = new Array();	var ret = new Array();
Line 1860 sub colorfuleditor_js {	Line 1868 sub colorfuleditor_js {
var tag_list = stringToSearch.match(regex_findBlock);	var tag_list = stringToSearch.match(regex_findBlock);

if(tag_list != null){	if(tag_list != null){
for(var i = 0; i < tag_list.length; i++){	for(var i = 0; i < tag_list.length; i++){
ret.push(tag_list[i].replace(/"/, ''));	ret.push(tag_list[i].replace(/"/, ''));
}	}
}	}
Line 1897 sub colorfuleditor_js {	Line 1905 sub colorfuleditor_js {

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

if(elem_list.length > 0){	if(elem_list.length > 0){
elem = elem_list[0];	elem = elem_list[0];
break;	break;
Line 1920 sub colorfuleditor_js {	Line 1928 sub colorfuleditor_js {
rect.right <= (window.innerWidth \|\| document.documentElement.clientWidth) /or $(window).width() /	rect.right <= (window.innerWidth \|\| document.documentElement.clientWidth) /or $(window).width() /
);	);
}	}

function autosize(depth){	function autosize(depth){
var cmInst = window['cm'+depth];	var cmInst = window['cm'+depth];
var fitsizeButton = document.getElementById('fitsize'+depth);	var fitsizeButton = document.getElementById('fitsize'+depth);
Line 1987 sub insert_folding_button {	Line 1995 sub insert_folding_button {
my $curDepth = $Apache::lonxml::curdepth;	my $curDepth = $Apache::lonxml::curdepth;
my $lastresource = $env{'request.ambiguous'};	my $lastresource = $env{'request.ambiguous'};

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


=pod	=pod

=head1 Excel and CSV file utility routines	=head1 Excel and CSV file utility routines
Line 2251 sub multiple_select_form {	Line 2258 sub multiple_select_form {

=pod	=pod

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

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 2445 sub select_level_form {	Line 2449 sub select_level_form {

=pod	=pod

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

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 2462 The optional $incdoms is a reference to	Line 2466 The optional $incdoms is a reference to

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,$excdoms,$disabled) = @_;	my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms) = @_;
if ($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)} (@{$incdoms});
Line 2483 sub select_dom_form {	Line 2482 sub select_dom_form {
}	}
if ($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\"$onchange$disabled>\n";	my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\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 2839 sub authform_nochange {	Line 2838 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');	$result = &mt('Under your current role you are not permitted to change login settings for this user');
Line 2861 sub authform_kerberos {	Line 2860 sub authform_kerberos {
@_,	@_,
);	);
my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,	my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
$autharg,$jscall,$disabled);	$autharg,$jscall);
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 ($in{'curr_authtype'} eq 'krb') {
Line 2915 sub authform_kerberos {	Line 2911 sub authform_kerberos {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="krb"'.$disabled.' />';	$authtype = '<input type="radio" name="login" value="krb" />';
}	}
}	}
}	}
Line 2924 sub authform_kerberos {	Line 2920 sub authform_kerberos {
if ($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.'"'.
$krbcheck.$disabled.' />';	$krbcheck.' />';
}	}
if (($can_assign{'krb4'} && $can_assign{'krb5'}) \|\|	if (($can_assign{'krb4'} && $can_assign{'krb5'}) \|\|
($can_assign{'krb4'} && !$can_assign{'krb5'} &&	($can_assign{'krb4'} && !$can_assign{'krb5'} &&
Line 2937 sub authform_kerberos {	Line 2933 sub authform_kerberos {
'<label>'.$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.'"'.$disabled.' />',	'onchange="'.$jscall.'" />',
'<label><input type="radio" name="krbver" value="4" '.$check4.$disabled.' />',	'<label><input type="radio" name="krbver" value="4" '.$check4.' />',
'</label><label><input type="radio" name="krbver" value="5" '.$check5.$disabled.' />',	'</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
'</label>');	'</label>');
} elsif ($can_assign{'krb4'}) {	} elsif ($can_assign{'krb4'}) {
$result .= &mt	$result .= &mt
Line 2948 sub authform_kerberos {	Line 2944 sub authform_kerberos {
'<label>'.$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.'"'.$disabled.' />',	'onchange="'.$jscall.'" />',
'<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 2958 sub authform_kerberos {	Line 2954 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="'.$jscall.'"'.$disabled.' />',	'onchange="'.$jscall.'" />',
'<label><input type="hidden" name="krbver" value="5" />',	'<label><input type="hidden" name="krbver" value="5" />',
'</label>');	'</label>');
}	}
Line 2971 sub authform_internal {	Line 2967 sub authform_internal {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall,$disabled);	my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
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 ($can_assign{'int'}) {
Line 3004 sub authform_internal {	Line 2997 sub authform_internal {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="int"'.$disabled.' />';	$authtype = '<input type="radio" name="login" value="int" />';
}	}
}	}
}	}
Line 3012 sub authform_internal {	Line 3005 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.'"'.$disabled.' />';	' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
}	}
$autharg = '<input type="password" size="10" name="intarg" value="'.	$autharg = '<input type="password" size="10" name="intarg" value="'.
$intarg.'" onchange="'.$jscall.'"'.$disabled.' />';	$intarg.'" onchange="'.$jscall.'" />';
$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);
$result.='<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.intarg.type='."'text'".' } else { this.form.intarg.type='."'password'".' }"'.$disabled.' />'.&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\" }' />".&mt('Visible input').'</label>';
return $result;	return $result;
}	}

Line 3029 sub authform_local {	Line 3022 sub authform_local {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall,$disabled);	my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
my ($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 ($can_assign{'loc'}) {
Line 3062 sub authform_local {	Line 3052 sub authform_local {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="loc"'.$disabled.' />';	$authtype = '<input type="radio" name="login" value="loc" />';
}	}
}	}
}	}
Line 3071 sub authform_local {	Line 3061 sub authform_local {
if ($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="'.
$jscall.'"'.$disabled.' />';	$jscall.'" />';
}	}
$autharg = '<input type="text" size="10" name="locarg" value="'.	$autharg = '<input type="text" size="10" name="locarg" value="'.
$locarg.'" onchange="'.$jscall.'"'.$disabled.' />';	$locarg.'" onchange="'.$jscall.'" />';
$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 $result;
Line 3086 sub authform_filesystem {	Line 3076 sub authform_filesystem {
kerb_def_dom => 'MSU.EDU',	kerb_def_dom => 'MSU.EDU',
@_,	@_,
);	);
my ($fsyscheck,$result,$authtype,$autharg,$jscall,$disabled);	my ($fsyscheck,$result,$authtype,$autharg,$jscall);
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 ($can_assign{'fsys'}) {
Line 3116 sub authform_filesystem {	Line 3103 sub authform_filesystem {
if (defined($in{'mode'})) {	if (defined($in{'mode'})) {
if ($in{'mode'} eq 'modifycourse') {	if ($in{'mode'} eq 'modifycourse') {
if ($authnum == 1) {	if ($authnum == 1) {
$authtype = '<input type="radio" name="login" value="fsys"'.$disabled.' />';	$authtype = '<input type="radio" name="login" value="fsys" />';
}	}
}	}
}	}
Line 3125 sub authform_filesystem {	Line 3112 sub authform_filesystem {
if ($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="'.
$jscall.'"'.$disabled.' />';	$jscall.'" />';
}	}
$autharg = '<input type="password" size="10" name="fsysarg" value=""'.	$autharg = '<input type="text" size="10" name="fsysarg" value=""'.
' onchange="'.$jscall.'"'.$disabled.' />';	' onchange="'.$jscall.'" />';
$result = &mt	$result = &mt
('[_1] Filesystem Authenticated (with initial password [_2])',	('[_1] Filesystem Authenticated (with initial password [_2])',
'<label>'.$authtype,'</label>'.$autharg);	'<label><input type="radio" name="login" value="fsys" '.
	$fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
	'</label><input type="password" size="10" name="fsysarg" value="" '.
	'onchange="'.$jscall.'" />');
return $result;	return $result;
}	}

Line 3153 sub get_assignable_auth {	Line 3143 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\|dh)/) {	} elsif ($env{'request.role'} =~ /^dc/) {
$context = 'domain';	$context = 'domain';
} elsif ($env{'request.course.id'}) {	} elsif ($env{'request.course.id'}) {
$context = 'course';	$context = 'course';
Line 3177 sub get_assignable_auth {	Line 3167 sub get_assignable_auth {
return ($authnum,%can_assign);	return ($authnum,%can_assign);
}	}

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

###############################################################	###############################################################
## Get Kerberos Defaults for Domain ##	## Get Kerberos Defaults for Domain ##
###############################################################	###############################################################
Line 3417 sub get_related_words {	Line 3334 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 4054 Return string with previous attempt on p	Line 4031 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 4141 sub get_previous_attempt {	Line 4118 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 ($identifier ne '') {
Line 4202 sub get_previous_attempt {	Line 4179 sub get_previous_attempt {
if ($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.':'.$id.'.rawrndseed'};
}	}
Line 4219 sub get_previous_attempt {	Line 4196 sub get_previous_attempt {
next if ($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.':'.$id.'.rawrndseed'};
}	}
Line 4250 sub get_previous_attempt {	Line 4227 sub get_previous_attempt {
if ($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>';	$prevattempts.='<td> </td>';
}	}
Line 4266 sub get_previous_attempt {	Line 4243 sub get_previous_attempt {
if ($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();	$prevattempts.= &end_data_table_row().&end_data_table();
Line 4287 sub get_previous_attempt {	Line 4264 sub get_previous_attempt {
sub format_previous_attempt_value {	sub format_previous_attempt_value {
my ($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 4314 sub format_previous_attempt_value {	Line 4293 sub format_previous_attempt_value {
}	}
}	}
} else {	} else {
$value = &unescape($value);	$value = &HTML::Entities::encode(&unescape($value), '"<>&');
}	}
return $value;	return $value;
}	}
Line 4420 sub get_student_view_with_retries {	Line 4399 sub get_student_view_with_retries {
}	}
}	}

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

=pod	=pod

=item * &get_student_answers()	=item * &get_student_answers()
Line 4728 sub findallcourses {	Line 4654 sub findallcourses {
###############################################	###############################################

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

unless ($activity eq 'docs') {
my ($has_evb,$check_ipaccess);
my $dom = $env{'user.domain'};
if ($env{'request.course.id'}) {
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $checkrole = "cm./$cdom/$cnum";
my $sec = $env{'request.course.sec'};
if ($sec ne '') {
$checkrole .= "/$sec";
}
if ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
($env{'request.role'} !~ /^st/)) {
$has_evb = 1;
}
unless ($has_evb) {
if (($activity eq 'printout') \|\| ($activity eq 'grades') \|\| ($activity eq 'search') \|\|
($activity eq 'boards') \|\| ($activity eq 'groups') \|\| ($activity eq 'chat')) {
if ($udom eq $cdom) {
$check_ipaccess = 1;
}
}
}
} elsif (($activity eq 'com') \|\| ($activity eq 'port') \|\| ($activity eq 'blogs') \|\|
($activity eq 'about') \|\| ($activity eq 'wishlist') \|\| ($activity eq 'passwd')) {
my $checkrole;
if ($env{'request.role.domain'} eq '') {
$checkrole = "cm./$env{'user.domain'}/";
} else {
$checkrole = "cm./$env{'request.role.domain'}/";
}
if (($checkrole) && (&Apache::lonnet::allowed('evb',undef,undef,$checkrole))) {
$has_evb = 1;
}
}
unless ($has_evb \|\| $check_ipaccess) {
my @machinedoms = &Apache::lonnet::current_machine_domains();
if (($dom eq 'public') && ($activity eq 'port')) {
$dom = $udom;
}
if (($dom ne '') && (grep(/^\Q$dom\E$/,@machinedoms))) {
$check_ipaccess = 1;
} else {
my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
my $prim = &Apache::lonnet::domain($dom,'primary');
my $intdom = &Apache::lonnet::internet_dom($prim);
if (($intdom ne '') && (ref($internet_names) eq 'ARRAY')) {
if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
$check_ipaccess = 1;
}
}
}
}
if ($check_ipaccess) {
my ($ipaccessref,$cached)=&Apache::lonnet::is_cached_new('ipaccess',$dom);
unless (defined($cached)) {
my %domconfig =
&Apache::lonnet::get_dom('configuration',['ipaccess'],$dom);
$ipaccessref = &Apache::lonnet::do_cache_new('ipaccess',$dom,$domconfig{'ipaccess'},1800);
}
if ((ref($ipaccessref) eq 'HASH') && ($clientip)) {
foreach my $id (keys(%{$ipaccessref})) {
if (ref($ipaccessref->{$id}) eq 'HASH') {
my $range = $ipaccessref->{$id}->{'ip'};
if ($range) {
if (&Apache::lonnet::ip_match($clientip,$range)) {
if (ref($ipaccessref->{$id}->{'commblocks'}) eq 'HASH') {
if ($ipaccessref->{$id}->{'commblocks'}->{$activity} eq 'on') {
return ('','','',$id,$dom);
last;
}
}
}
}
}
}
}
}
if (($activity eq 'wishlist') \|\| ($activity eq 'annotate')) {
return ();
}
}
if (defined($udom) && defined($uname)) {	if (defined($udom) && defined($uname)) {
# If uname and udom are for a course, check for blocks in the course.	# If uname and udom are for a course, check for blocks in the course.
if (($is_course) \|\| (&Apache::lonnet::is_course($udom,$uname))) {	if (($is_course) \|\| (&Apache::lonnet::is_course($udom,$uname))) {
my ($startblock,$endblock,$triggerblock) =	my ($startblock,$endblock,$triggerblock) =
&get_blocks($setters,$activity,$udom,$uname,$url,$symb,$caller);	&get_blocks($setters,$activity,$udom,$uname,$url);
return ($startblock,$endblock,$triggerblock);	return ($startblock,$endblock,$triggerblock);
}	}
} else {	} else {
Line 4828 sub blockcheck {	Line 4671 sub blockcheck {
my $startblock = 0;	my $startblock = 0;
my $endblock = 0;	my $endblock = 0;
my $triggerblock = '';	my $triggerblock = '';
my %live_courses;	my %live_courses = &findallcourses(undef,$uname,$udom);
unless (($activity eq 'wishlist') \|\| ($activity eq 'annotate')) {
%live_courses = &findallcourses(undef,$uname,$udom);
}

# If uname is for a user, and activity is course-specific, i.e.,	# If uname is for a user, and activity is course-specific, i.e.,
# boards, chat or groups, check for blocking in current course only.	# boards, chat or groups, check for blocking in current course only.
Line 4921 sub blockcheck {	Line 4761 sub blockcheck {
$tdom,$spec,$trest,$area);	$tdom,$spec,$trest,$area);
}	}
}	}
my ($author,$adv,$rar) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);	my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {	if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
if ($1) {	if ($1) {
$no_userblock = 1;	$no_userblock = 1;
Line 4943 sub blockcheck {	Line 4783 sub blockcheck {
($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 blocker for course	# Retrieve blocking times and identity of locker 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,$url,$symb,$caller);	&get_blocks($setters,$activity,$cdom,$cnum,$url);
if (($start != 0) &&	if (($start != 0) &&
(($startblock == 0) \|\| ($startblock > $start))) {	(($startblock == 0) \|\| ($startblock > $start))) {
$startblock = $start;	$startblock = $start;
Line 4967 sub blockcheck {	Line 4807 sub blockcheck {
}	}

sub get_blocks {	sub get_blocks {
my ($setters,$activity,$cdom,$cnum,$url,$symb,$caller) = @_;	my ($setters,$activity,$cdom,$cnum,$url) = @_;
my $startblock = 0;	my $startblock = 0;
my $endblock = 0;	my $endblock = 0;
my $triggerblock = '';	my $triggerblock = '';
Line 4980 sub get_blocks {	Line 4820 sub get_blocks {
my $now = time;	my $now = time;
my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);	my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);
if ($activity eq 'docs') {	if ($activity eq 'docs') {
my ($blocked,$nosymbcache,$noenccheck);	@blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks);
if (($caller eq 'blockedaccess') \|\| ($caller eq 'blockingstatus')) {
$blocked = 1;
$nosymbcache = 1;
$noenccheck = 1;
}
@blockers = &Apache::lonnet::has_comm_blocking('bre',$symb,$url,$nosymbcache,$noenccheck,$blocked,\%commblocks);
foreach my $block (@blockers) {	foreach my $block (@blockers) {
if ($block =~ /^firstaccess____(.+)$/) {	if ($block =~ /^firstaccess____(.+)$/) {
my $item = $1;	my $item = $1;
Line 5038 sub get_blocks {	Line 4872 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) && ($end >= time)) {
if (ref($commblocks{$block}) eq 'HASH') {	unless (grep(/^\Q$block\E$/,@blockers)) {
if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {	push(@blockers,$block);
if ($commblocks{$block}{'blocks'}{$activity} eq 'on') {	$triggered{$block} = {
unless(grep(/^\Q$block\E$/,@blockers)) {	start => $start,
push(@blockers,$block);	end => $end,
$triggered{$block} = {	type => $type,
start => $start,	};
end => $end,
type => $type,
};
}
}
}
}	}
}	}
}	}
Line 5114 sub parse_block_record {	Line 4942 sub parse_block_record {
}	}

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

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

Line 5133 sub blocking_status {	Line 4958 sub blocking_status {

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

my $output .= <<'END_MYBLOCK';	my $output .= <<'END_MYBLOCK';
Line 5166 END_MYBLOCK	Line 4986 END_MYBLOCK
$class = '';	$class = '';
} elsif ($activity eq 'printout') {	} elsif ($activity eq 'printout') {
$text = &mt('Printing Blocked');	$text = &mt('Printing Blocked');
} elsif ($activity eq 'passwd') {
$text = &mt('Password Changing Blocked');
} elsif ($activity eq 'grades') {
$text = &mt('Gradebook Blocked');
} elsif ($activity eq 'search') {
$text = &mt('Search Blocked');
} elsif ($activity eq 'about') {
$text = &mt('Access to User Information Pages Blocked');
} elsif ($activity eq 'wishlist') {
$text = &mt('Access to Stored Links Blocked');
} elsif ($activity eq 'annotate') {
$text = &mt('Access to Annotations Blocked');
}	}
$output .= <<"END_BLOCK";	$output .= <<"END_BLOCK";
<div class='$class'>	<div class='$class'>
Line 5201 sub check_ip_acc {	Line 5009 sub check_ip_acc {
if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {	if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {
return 1;	return 1;
}	}
my $allowed=0;	my $allowed;
my $ip;	my $ip=$env{'request.host'} \|\| $ENV{'REMOTE_ADDR'} \|\| $clientip;
if (($ENV{'REMOTE_ADDR'} eq '127.0.0.1') \|\|
($ENV{'REMOTE_ADDR'} eq &Apache::lonnet::get_host_ip($Apache::lonnet::perlvar{'lonHostID'}))) {
$ip = $env{'request.host'} \|\| $ENV{'REMOTE_ADDR'} \|\| $clientip;
} else {
my $remote_ip = &Apache::lonnet::get_requestor_ip();
$ip = $remote_ip \|\| $env{'request.host'} \|\| $clientip;
}

my $name;	my $name;
foreach my $pattern (split(',',$acc)) {	my %access = (
$pattern =~ s/^\s*//;	allowfrom => 1,
$pattern =~ s/\s*$//;	denyfrom => 0,
	);
	my @allows;
	my @denies;
	foreach my $item (split(',',$acc)) {
	$item =~ s/^\s*//;
	$item =~ s/\s*$//;
	my $pattern;
	if ($item =~ /^\!(.+)$/) {
	push(@denies,$1);
	} else {
	push(@allows,$item);
	}
	}
	my $numdenies = scalar(@denies);
	my $numallows = scalar(@allows);
	my $count = 0;
	foreach my $pattern (@denies,@allows) {
	$count ++;
	my $acctype = 'allowfrom';
	if ($count <= $numdenies) {
	$acctype = 'denyfrom';
	}
if ($pattern =~ /\*$/) {	if ($pattern =~ /\*$/) {
#35.8.*	#35.8.*
$pattern=~s/\*//;	$pattern=~s/\*//;
if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }	if ($ip =~ /^\Q$pattern\E/) { $allowed=$access{$acctype}; }
} elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {	} elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
#35.8.3.[34-56]	#35.8.3.[34-56]
my $low=$2;	my $low=$2;
Line 5226 sub check_ip_acc {	Line 5049 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 5236 sub check_ip_acc {	Line 5059 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 5247 sub check_ip_acc {	Line 5070 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 5314 sub get_domainconf {	Line 5144 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'}{$hostname}{'serverpath'};
Line 5330 sub get_domainconf {	Line 5161 sub get_domainconf {
}	}
}	}
}	}
} elsif ($key eq 'saml') {
if (ref($domconfig{'login'}{$key}) eq 'HASH') {
foreach my $host (keys(%{$domconfig{'login'}{$key}})) {
if (ref($domconfig{'login'}{$key}{$host}) eq 'HASH') {
$designhash{$udom.'.login.'.$key.'_'.$host} = 1;
foreach my $item ('text','img','alt','url','title','notsso') {
$designhash{$udom.'.login.'.$key.'_'.$item.'_'.$host} = $domconfig{'login'}{$key}{$host}{$item};
}
}
}
}
} else {	} else {
foreach my $img (keys(%{$domconfig{'login'}{$key}})) {	foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
$designhash{$udom.'.login.'.$key.'_'.$img} =	$designhash{$udom.'.login.'.$key.'_'.$img} =
Line 5405 sub get_legacy_domconf {	Line 5225 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 5445 sub domainlogo {	Line 5265 sub domainlogo {
&Apache::lonnet::repcopy($local_name);	&Apache::lonnet::repcopy($local_name);
}	}
$imgsrc = &lonhttpdurl($imgsrc);	$imgsrc = &lonhttpdurl($imgsrc);
}	}
my $alttext = $domain;	return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
if ($designhash{$domain.'.login.alttext_domlogo'} ne '') {
$alttext = $designhash{$domain.'.login.alttext_domlogo'};
}
return '<img src="'.$imgsrc.'" alt="'.$alttext.'" id="lclogindomlogo" />';
} elsif (defined(&Apache::lonnet::domain($domain,'description'))) {	} elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
return &Apache::lonnet::domain($domain,'description');	return &Apache::lonnet::domain($domain,'description');
} else {	} else {
Line 5660 Inputs:	Line 5476 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	inherit_jsmath -> when creating popup window in a page,
contain https://<hostname> if server uses	should it have jsmath forced on by the
https (as per hosts.tab), but request is for http	current page
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
Line 5685 other decorations will be returned.	Line 5497 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)=@_;

my $public;	my $public;
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))	if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
Line 5694 sub bodytag {	Line 5506 sub bodytag {
}	}
if (!$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',$domain);
Line 5714 sub bodytag {	Line 5525 sub bodytag {
if ($realm) {	if ($realm) {
$realm = '/'.$realm;	$realm = '/'.$realm;
}	}
if ($role eq 'ca') {	if ($role eq 'ca') {
my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});	my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
$realm = &plainname($rname,$rdom);	$realm = &plainname($rname,$rdom);
}	}
# realm	# realm
my ($cid,$sec);
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
$cid = $env{'request.course.id'};
if ($env{'request.course.sec'}) {
$sec = $env{'request.course.sec'};
}
} elsif ($realm =~ m{^/($match_domain)/($match_courseid)(?:\|/(\w+))$}) {
if (&Apache::lonnet::is_course($1,$2)) {
$cid = $1.'_'.$2;
$sec = $3;
}
}
if ($cid) {
if ($env{'request.role'} !~ /^cr/) {	if ($env{'request.role'} !~ /^cr/) {
$role = &Apache::lonnet::plaintext($role,&course_type());	$role = &Apache::lonnet::plaintext($role,&course_type());
} elsif ($role =~ m{^cr/($match_domain)/\1-domainconfig/(\w+)$}) {
if ($env{'request.role.desc'}) {
$role = $env{'request.role.desc'};
} else {
$role = &mt('Helpdesk[_1]',' '.$2);
}
} else {
$role = (split(/\//,$role,4))[-1];
}	}
if ($sec) {	if ($env{'request.course.sec'}) {
$role .= (' 'x2).'- '.&mt('section:').' '.$sec;	$role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};
}	}
$realm = $env{'course.'.$cid.'.description'};	$realm = $env{'course.'.$env{'request.course.id'}.'.description'};
} else {	} else {
$role = &Apache::lonnet::plaintext($role);	$role = &Apache::lonnet::plaintext($role);
}	}
Line 5757 sub bodytag {	Line 5548 sub bodytag {

# construct main body tag	# construct main body tag
my $bodytag = "<body $extra_body_attr>".	my $bodytag = "<body $extra_body_attr>".
&Apache::lontexconvert::init_math_support();	&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});

&get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);	&get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);

Line 5768 sub bodytag {	Line 5559 sub bodytag {
if ($public) {	if ($public) {
undef($role);	undef($role);
}	}

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

$role = '<span class="LC_nobreak">('.$role.')</span>' if ($role && !$env{'browser.mobile'});	$role = '<span class="LC_nobreak">('.$role.')</span>' if $role;

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


	if ($env{'request.state'} eq 'construct') { $forcereg=1; }
my $funclist;
if (($env{'environment.remote'} eq 'on') && ($env{'request.state'} ne 'construct')) {
$bodytag .= Apache::lonhtmlcommon::scripttag(Apache::lonmenu::utilityfunctions($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 {

# 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 5806 sub bodytag {	Line 5583 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($args->{'links_disabled'});	my ($left,$right) = Apache::lonmenu::primary_menu();

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 />	$bodytag .= qq\|<div id="LC_nav_bar">$left $role<br />
<em>$realm</em> $dc_info</div>\|;	<em>$realm</em> $dc_info</div>\|;
return $bodytag;	return $bodytag;
}	}

Line 5828 sub bodytag {	Line 5605 sub bodytag {
}	}
$bodytag .= qq\|<div id="LC_realm">$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,$args->{'links_disabled'});	$bodytag .= Apache::lonmenu::secondary_menu($httphost);
$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,
$args->{'bread_crumbs'},'','',$hostname);	$args->{'bread_crumbs'});
} elsif ($forcereg) {	} elsif ($forcereg) {
$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,	$bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
$args->{'group'},	$args->{'group'});
$args->{'hide_buttons'},
$hostname);
} 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'},
$advtoolsref,'',$hostname,	$advtoolsref);
\$forbodytag);
unless (ref($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 5864 sub bodytag {	Line 5635 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 5943 sub make_attr_string {	Line 5666 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 $attr_string;
Line 5985 sub endbodytag {	Line 5701 sub endbodytag {
unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) {	unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) {
$endbodytag='</body>';	$endbodytag='</body>';
}	}
	$endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
if ( exists( $env{'internal.head.redirect'} ) ) {	if ( exists( $env{'internal.head.redirect'} ) ) {
if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {	if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
$endbodytag=	$endbodytag=
Line 5993 sub endbodytag {	Line 5710 sub endbodytag {
$endbodytag;	$endbodytag;
}	}
}	}
if ((ref($args) eq 'HASH') && ($args->{'dashjs'})) {
$endbodytag = &Apache::lonhtmlcommon::dash_to_minus_js().$endbodytag;
}
return $endbodytag;	return $endbodytag;
}	}

Line 6162 div.LC_confirm_box .LC_success img {	Line 5876 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 6294 table#LC_menubuttons img {	Line 5997 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 6368 td.LC_menubuttons_text {	Line 6067 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 6963 table.LC_prior_tries td {	Line 6657 table.LC_prior_tries td {
padding: 6px;	padding: 6px;
}	}

.LC_answer_unknown,	.LC_answer_unknown {
.LC_answer_warning {
background: orange;	background: orange;
color: black;	color: black;
padding: 6px;	padding: 6px;
Line 7046 table.LC_data_table tr > td.LC_docs_entr	Line 6739 table.LC_data_table tr > td.LC_docs_entr
color: #990000;	color: #990000;
}	}

.LC_domprefs_email,
.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 7343 ol.LC_primary_menu li {	Line 7035 ol.LC_primary_menu li {
line-height: 1.5em;	line-height: 1.5em;
}	}

ol.LC_primary_menu li a,	ol.LC_primary_menu li a,
ol.LC_primary_menu li p {	ol.LC_primary_menu li p {
display: block;	display: block;
margin: 0;	margin: 0;
Line 7358 ol.LC_primary_menu li p span.LC_primary_	Line 7050 ol.LC_primary_menu li p span.LC_primary_
}	}

ol.LC_primary_menu li p span.LC_primary_menu_innerarrow {	ol.LC_primary_menu li p span.LC_primary_menu_innerarrow {
display: inline-block;	display: inline-block;
width: 5%;	width: 5%;
float: right;	float: right;
text-align: right;	text-align: right;
Line 7393 ol.LC_primary_menu li:hover li, ol.LC_pr	Line 7085 ol.LC_primary_menu li:hover li, ol.LC_pr
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;	/* A dark bottom border to visualize different menu options;
overwritten in the create_submenu routine for the last border-bottom of the menu */	overwritten in the create_submenu routine for the last border-bottom of the menu */
border-bottom: 1px solid $data_table_dark;	border-bottom: 1px solid $data_table_dark;
}	}

ol.LC_primary_menu li li p:hover {	ol.LC_primary_menu li li p:hover {
Line 7955 ul.LC_funclist li {	Line 7647 ul.LC_funclist li {
cursor:pointer;	cursor:pointer;
}	}

.LCisDisabled {	/*
cursor: not-allowed;	styles used for response display
opacity: 0.5;	*/
}	div.LC_radiofoil, div.LC_rankfoil {
	margin: .5em 0em .5em 0em;
a[aria-disabled="true"] {
color: currentColor;
display: inline-block; /* For IE11/ MS Edge bug */
pointer-events: none;
text-decoration: none;
}	}
	table.LC_itemgroup {
pre.LC_wordwrap {	margin-top: 1em;
white-space: pre-wrap;
white-space: -moz-pre-wrap;
white-space: -pre-wrap;
white-space: -o-pre-wrap;
word-wrap: break-word;
}	}

/*	/*
Line 7996 span.roman {font-family: serif; font-sty	Line 7678 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;}

#LC_minitab_header {	/*
float:left;	sections with roles, for content only
width:100%;	*/
background:#DAE0D2 url("/res/adm/pages/minitabmenu_bg.gif") repeat-x bottom;	section[class^="role-"] {
font-size:93%;	padding-left: 10px;
line-height:normal;	padding-right: 5px;
margin: 0.5em 0 0.5em 0;	margin-top: 8px;
}	margin-bottom: 8px;
#LC_minitab_header ul {	border: 1px solid #2A4;
margin:0;	border-radius: 5px;
padding:10px 10px 0;	box-shadow: 0px 1px 1px #BBB;
list-style:none;
}	}
#LC_minitab_header li {	section[class^="role-"]>h1 {
float:left;	position: relative;
background:url("/res/adm/pages/minitabmenu_left.gif") no-repeat left top;	margin: 0px;
margin:0;	padding-top: 10px;
padding:0 0 0 9px;	padding-left: 40px;
}	}
#LC_minitab_header a {	section[class^="role-"]>h1:before {
display:block;	position: absolute;
background:url("/res/adm/pages/minitabmenu_right.gif") no-repeat right top;	left: -5px;
padding:5px 15px 4px 6px;	top: 5px;
}	}
#LC_minitab_header #LC_current_minitab {	section.role-activity>h1:before {
background-image:url("/res/adm/pages/minitabmenu_left_on.gif");	content:url('/adm/daxe/images/section_icons/activity.png');
}	}
#LC_minitab_header #LC_current_minitab a {	section.role-advice>h1:before {
background-image:url("/res/adm/pages/minitabmenu_right_on.gif");	content:url('/adm/daxe/images/section_icons/advice.png');
padding-bottom:5px;	}
	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');
}	}


END	END
}	}
Line 8086 sub headtag {	Line 7816 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 8134 ADDMETA	Line 7864 ADDMETA
my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};	my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};
unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {	unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {
my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);	my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);
my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
my ($offload,$offloadoth);
if (ref($domdefs{'offloadnow'}) eq 'HASH') {	if (ref($domdefs{'offloadnow'}) eq 'HASH') {
	my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
if ($domdefs{'offloadnow'}{$lonhost}) {	if ($domdefs{'offloadnow'}{$lonhost}) {
$offload = 1;	my $newserver = &Apache::lonnet::spareserver(30000,undef,1,$dom_in_use);
if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) &&	if (($newserver) && ($newserver ne $lonhost)) {
(!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) {	my $numsec = 5;
unless (&Apache::lonnet::shared_institution($env{'user.domain'})) {	my $timeout = $numsec * 1000;
$offloadoth = 1;	my ($newurl,$locknum,%locks,$msg);
$dom_in_use = $env{'user.domain'};	if ($env{'request.role.adv'}) {
	($locknum,%locks) = &Apache::lonnet::get_locks();
}	}
}	my $disable_submit = 0;
}	if ($requrl =~ /$LONCAPA::assess_re/) {
}	$disable_submit = 1;
unless ($offload) {
if (ref($domdefs{'offloadoth'}) eq 'HASH') {
if ($domdefs{'offloadoth'}{$lonhost}) {
if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) &&
(!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) {
unless (&Apache::lonnet::shared_institution($env{'user.domain'})) {
$offload = 1;
$offloadoth = 1;
$dom_in_use = $env{'user.domain'};
}
}	}
}	if ($locknum) {
}	my @lockinfo = sort(values(%locks));
}	$msg = &mt('Once the following tasks are complete: ')."\\n".
if ($offload) {	join(", ",sort(values(%locks)))."\\n".
my $newserver = &Apache::lonnet::spareserver(undef,30000,undef,1,$dom_in_use);	&mt('your session will be transferred to a different server, after you click "Roles".');
if (($newserver eq '') && ($offloadoth)) {
my @domains = &Apache::lonnet::current_machine_domains();
if (($dom_in_use ne '') && (!grep(/^\Q$dom_in_use\E$/,@domains))) {
($newserver) = &Apache::lonnet::choose_server($dom_in_use);
}
}
if (($newserver) && ($newserver ne $lonhost)) {
my $numsec = 5;
my $timeout = $numsec * 1000;
my ($newurl,$locknum,%locks,$msg);
if ($env{'request.role.adv'}) {
($locknum,%locks) = &Apache::lonnet::get_locks();
}
my $disable_submit = 0;
if ($requrl =~ /$LONCAPA::assess_re/) {
$disable_submit = 1;
}
if ($locknum) {
my @lockinfo = sort(values(%locks));
$msg = &mt('Once the following tasks are complete:')." \n".
join(", ",sort(values(%locks)))."\n";
if (&show_course()) {
$msg .= &mt('your session will be transferred to a different server, after you click "Courses".');
} else {	} else {
$msg .= &mt('your session will be transferred to a different server, after you click "Roles".');	if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {
}	$msg = &mt('Your LON-CAPA submission has been recorded')."\\n";
} else {
if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {
$msg = &mt('Your LON-CAPA submission has been recorded')."\n";
}
$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);
$newurl = '/adm/switchserver?otherserver='.$newserver;
if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {
$newurl .= '&role='.$env{'request.role'};
}
if ($env{'request.symb'}) {
my $shownsymb = &Apache::lonenc::check_encrypt($env{'request.symb'});
if ($shownsymb =~ m{^/enc/}) {
my $reqdmajor = 2;
my $reqdminor = 11;
my $reqdsubminor = 3;
my $newserverrev = &Apache::lonnet::get_server_loncaparev('',$newserver);
my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$newserver);
my ($major,$minor,$subminor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.(\d+\|)[\w.\-]+\'?$/);
if (($major eq '' && $minor eq '') \|\|
(($reqdmajor > $major) \|\| (($reqdmajor == $major) && ($reqdminor > $minor)) \|\|
(($reqdmajor == $major) && ($reqdminor == $minor) && (($subminor eq '') \|\|
($reqdsubminor > $subminor))))) {
undef($shownsymb);
}
}	}
if ($shownsymb) {	$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);
&js_escape(\$shownsymb);	$newurl = '/adm/switchserver?otherserver='.$newserver;
$newurl .= '&symb='.$shownsymb;	if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {
	$newurl .= '&role='.$env{'request.role'};
	}
	if ($env{'request.symb'}) {
	$newurl .= '&symb='.$env{'request.symb'};
	} else {
	$newurl .= '&origurl='.$requrl;
}	}
} else {
my $shownurl = &Apache::lonenc::check_encrypt($requrl);
&js_escape(\$shownurl);
$newurl .= '&origurl='.$shownurl;
}	}
}	&js_escape(\$msg);
&js_escape(\$msg);	$result.=<<OFFLOAD
$result.=<<OFFLOAD
<meta http-equiv="pragma" content="no-cache" />	<meta http-equiv="pragma" content="no-cache" />
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 8247 function LC_Offload_Now() {	Line 7921 function LC_Offload_Now() {
// ]]>	// ]]>
</script>	</script>
OFFLOAD	OFFLOAD
	}
}	}
}	}
}	}
Line 8262 OFFLOAD	Line 7937 OFFLOAD
if (!$args->{'frameset'}) {	if (!$args->{'frameset'}) {
$result .= ' /';	$result .= ' /';
}	}
$result .= '>'	$result .= '>'
.$inhibitprint	.$inhibitprint
.$head_extra;	.$head_extra;
my $clientmobile;	if ($env{'browser.mobile'}) {
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 8295 sub font_settings {	Line 7963 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 8345 sub print_suppression {	Line 8013 sub print_suppression {
}	}
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $clientip = &Apache::lonnet::get_requestor_ip();	my $blocked = &blocking_status('printout',$cnum,$cdom,undef,1);
my $blocked = &blocking_status('printout',$clientip,$cnum,$cdom,undef,1);
if ($blocked) {	if ($blocked) {
my $checkrole = "cm./$cdom/$cnum";	my $checkrole = "cm./$cdom/$cnum";
if ($env{'request.course.sec'} ne '') {	if ($env{'request.course.sec'} ne '') {
Line 8454 $args - additional optional args support	Line 8121 $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
	inherit_jsmath -> when creating popup window in a page,
	should it have jsmath forced on by the
	current page
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
bread_crumbs_nomenu -> if true will pass false as the value of $menulink	group -> includes the current group, if page is for a
to lonhtmlcommon::breadcrumbs	specific group
group -> includes the current group, if page is for a
specific group
use_absolute -> for request for external resource or syllabus, this
will contain https://<hostname> if server uses
https (as per hosts.tab), but request is for http
hostname -> hostname, originally from $r->hostname(), (optional).
links_disabled -> Links in primary and secondary menus are disabled
(Can enable them once page has loaded - see lonroles.pm
for an example).

=back	=back

Line 8499 sub start_page {	Line 8158 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);
}	}
}	}

Line 8533 sub start_page {	Line 8192 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'})) {
$menulink = 0;
} else {
undef($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'},'',$menulink);	$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
}else{	}else{
$result .= &Apache::lonhtmlcommon::breadcrumbs('','',$menulink);	$result .= &Apache::lonhtmlcommon::breadcrumbs();
}	}
} elsif (($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 8646 var modalWindow = {	Line 8294 var modalWindow = {
};	};
var openMyModal = function(source,width,height,scrolling,transparency,style)	var openMyModal = function(source,width,height,scrolling,transparency,style)
{	{
source = source.replace(/'/g,"'");	source = source.replace("'","'");
modalWindow.windowId = "myModal";	modalWindow.windowId = "myModal";
modalWindow.width = width;	modalWindow.width = width;
modalWindow.height = height;	modalWindow.height = height;
Line 8671 sub modal_link {	Line 8319 sub modal_link {
$target_attr = 'target="'.$target.'"';	$target_attr = 'target="'.$target.'"';
}	}
return <<"ENDLINK";	return <<"ENDLINK";
<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">$linktext</a>	<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">
	$linktext</a>
ENDLINK	ENDLINK
}	}

sub modal_adhoc_script {	sub modal_adhoc_script {
my ($funcname,$width,$height,$content,$possmathjax)=@_;	my ($funcname,$width,$height,$content)=@_;
my $mathjax;
if ($possmathjax) {
$mathjax = <<'ENDJAX';
if (typeof MathJax == 'object') {
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
}
ENDJAX
}
return (<<ENDADHOC);	return (<<ENDADHOC);
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 8695 ENDJAX	Line 8336 ENDJAX
modalWindow.height = $height;	modalWindow.height = $height;
modalWindow.content = '$content';	modalWindow.content = '$content';
modalWindow.open();	modalWindow.open();
$mathjax
};	};
// ]]>	// ]]>
</script>	</script>
Line 8703 ENDADHOC	Line 8343 ENDADHOC
}	}

sub modal_adhoc_inner {	sub modal_adhoc_inner {
my ($funcname,$width,$height,$content,$possmathjax)=@_;	my ($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.	$content.
&end_scrollbox().	&end_scrollbox().
&end_page()	&end_page()
);	);
return &modal_adhoc_script($funcname,$width,$height,$content,$possmathjax);	return &modal_adhoc_script($funcname,$width,$height,$content);
}	}

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

Line 8783 sub end_togglebox {	Line 8423 sub end_togglebox {
}	}

sub LCprogressbar_script {	sub LCprogressbar_script {
my ($id,$number_to_do)=@_;	my ($id)=@_;
if ($number_to_do) {	return(<<ENDPROGRESS);
return(<<ENDPROGRESS);
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
\$('#progressbar$id').progressbar({	\$('#progressbar$id').progressbar({
Line 8798 sub LCprogressbar_script {	Line 8437 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,maxnum) {	function LCupdateProgress(percent,progresstext,id) {
LCprogressTxt=progresstext;	LCprogressTxt=progresstext;
if ((maxnum == '') \|\| (maxnum == undefined) \|\| (maxnum == null)) {	\$('#progressbar'+id).progressbar('value',percent);
\$('#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 8846 my $LCidcnt;	Line 8463 my $LCidcnt;
my $LCcurrentid;	my $LCcurrentid;

sub LCprogressbar {	sub LCprogressbar {
my ($r,$number_to_do,$preamble)=@_;	my ($r)=(@_);
$LClastpercent=0;	$LClastpercent=0;
$LCidcnt++;	$LCidcnt++;
$LCcurrentid=$$.'_'.$LCidcnt;	$LCcurrentid=$$.'_'.$LCidcnt;
my ($starting,$content);	my $starting=&mt('Starting');
if ($number_to_do) {	my $content=(<<ENDPROGBAR);
$starting=&mt('Starting');
$content=(<<ENDPROGBAR);
$preamble
<div id="progressbar$LCcurrentid">	<div id="progressbar$LCcurrentid">
<span class="pblabel">$starting</span>	<span class="pblabel">$starting</span>
</div>	</div>
ENDPROGBAR	ENDPROGBAR
} else {	&r_print($r,$content.&LCprogressbar_script($LCcurrentid));
$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,$text,$number_to_do)=@_;	my ($r,$val,$text)=@_;
if ($number_to_do) {	unless ($val) {
unless ($val) {	if ($LClastpercent) {
if ($LClastpercent) {	$val=$LClastpercent;
$val=$LClastpercent;	} else {
} else {	$val=0;
$val=0;	}
}
}
if ($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','$LCcurrentid','$number_to_do');	LCupdateProgress($val,'$text','$LCcurrentid');
// ]]>	// ]]>
</script>	</script>
ENDUPDATE	ENDUPDATE
Line 9391 sub get_sections {	Line 8991 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 $status_index = &Apache::loncoursedata::CL_STATUS();
Line 9787 sub get_user_quota {	Line 9387 sub get_user_quota {
if ($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')) {
$defquota = $domdefs{$crstype.'quota'};	$defquota = $domdefs{$crstype.'quota'};
}	}
if ($defquota eq '') {	if ($defquota eq '') {
Line 9972 sub excess_filesize_warning {	Line 9572 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 10010 sub get_secgrprole_info {	Line 9612 sub get_secgrprole_info {
}	}

sub user_picker {	sub user_picker {
my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context,$fixeddom,$noinstd) = @_;	my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;
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 10074 sub user_picker {	Line 9660 sub user_picker {
);	);
&html_escape(\%html_lt);	&html_escape(\%html_lt);
&js_escape(\%js_lt);	&js_escape(\%js_lt);
my $domform;	my $domform = &select_dom_form($currdom,'srchdomain',1,1);
my $allow_blank = 1;
if ($fixeddom) {
$allow_blank = 0;
$domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1,undef,[$currdom]);
} else {
$domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1);
}
my $srchinsel = ' <select name="srchin">';	my $srchinsel = ' <select name="srchin">';

my @srchins = ('crs','dom','alc','instd');	my @srchins = ('crs','dom','alc','instd');
Line 10093 sub user_picker {	Line 9672 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{$option}.'</option>';
Line 10276 END_BLOCK	Line 9854 END_BLOCK
&Apache::lonhtmlcommon::row_closure(1).	&Apache::lonhtmlcommon::row_closure(1).
&Apache::lonhtmlcommon::end_pick_box().	&Apache::lonhtmlcommon::end_pick_box().
'<br />';	'<br />';
return ($output,1);	return $output;
}	}

sub user_rule_check {	sub user_rule_check {
Line 10285 sub user_rule_check {	Line 9863 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;	$checkid = 1;
Line 10296 sub user_rule_check {	Line 9874 sub user_rule_check {
if ($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.':'.$udom} = {};
Line 10366 sub user_rule_check {	Line 9944 sub user_rule_check {
if (ref($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->{$user}->{'id'} ne '') {
Line 10389 sub user_rule_check {	Line 9967 sub user_rule_check {
if (ref($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 10412 sub user_rule_check {	Line 9990 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 10573 sub sorted_inst_types {	Line 10151 sub sorted_inst_types {
}	}

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

if ($$settings{'internal.sectionnums'} ne '') {	if ($$settings{'internal.sectionnums'} ne '') {
@currsections = split(/,/,$$settings{'internal.sectionnums'});	@currsections = split(/,/,$$settings{'internal.sectionnums'});
Line 10592 sub get_institutional_codes {	Line 10166 sub get_institutional_codes {
}	}

if (@currxlists > 0) {	if (@currxlists > 0) {
foreach my $xl (@currxlists) {	foreach (@currxlists) {
if ($xl =~ /^([^:]+):(\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;
}	}
}	}
}	}
}	}

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

if (@{$unclutteredsec{$crskey}} > 0) {
my %formattedsec = &Apache::lonnet::auto_instsec_reformat($cdom,'clutter',\%unclutteredsec);
if ((ref($formattedsec{$crskey}) eq 'ARRAY') && (ref($unclutteredlcsec{$crskey}) eq 'ARRAY')) {
for (my $i=0; $i<@{$formattedsec{$crskey}}; $i++) {
my $sec = $coursecode.$formattedsec{$crskey}[$i];
unless (grep/^\Q$sec\E$/,@{$allcourses}) {
push(@{$allcourses},$sec);
$$LC_code{$sec} = $unclutteredlcsec{$crskey}[$i];
}	}
}	}
}	}
Line 10719 reservable_now - ref to hash of student_	Line 10280 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 10732 future_reservable - ref to hash of stude	Line 10291 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 10741 future_reservable - ref to hash of stude	Line 10298 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 10787 sub get_future_slots {	Line 10366 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 10799 sub get_future_slots {	Line 10374 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 10988 sub ask_for_embedded_content {	Line 10561 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 11020 sub ask_for_embedded_content {	Line 10593 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 11110 sub ask_for_embedded_content {	Line 10683 sub ask_for_embedded_content {
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 11253 sub ask_for_embedded_content {	Line 10826 sub ask_for_embedded_content {
$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));
Line 11482 sub ask_for_embedded_content {	Line 11055 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 11501 sub clean_path {	Line 11074 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 11840 sub modify_html_refs {	Line 11413 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 11872 sub modify_html_refs {	Line 11445 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 11937 sub modify_html_refs {	Line 11510 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].',	$output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
Line 11975 sub modify_html_refs {	Line 11548 sub modify_html_refs {
}	}
}	}
if ($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 12454 sub decompress_uploaded_file {	Line 12027 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 12500 sub process_decompression {	Line 12061 sub process_decompression {
}	}
}	}
my $numskip = scalar(@to_skip);	my $numskip = scalar(@to_skip);
my $numoverwrite = scalar(@to_overwrite);	if (($numskip > 0) &&
if (($numskip) && (!$numoverwrite)) {	($numskip == $env{'form.archive_itemcount'})) {
$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) \|\| ($numoverwrite)) {	if ($numskip > 0) {
my $tempdir = time.'_'.$$.int(rand(10000));	my $tempdir = time.'_'.$$.int(rand(10000));
mkdir("$dir/$tempdir",0755);	mkdir("$dir/$tempdir",0755);
if (&File::Copy::move("$dir/$file","$dir/$tempdir/$file")) {	system("mv $dir/$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/$item") {
&File::Path::remove_tree("$dir/$tempdir/$item",{ safe => 1 });	system("rm -rf $dir/$tempdir/$item");
}
}
}
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,$dir);
Line 12555 sub process_decompression {	Line 12102 sub process_decompression {
if (ref($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 12610 sub process_decompression {	Line 12158 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'} = $i;
Line 13040 END	Line 12588 END
sub process_extracted_files {	sub process_extracted_files {
my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;	my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
my $numitems = $env{'form.archive_count'};	my $numitems = $env{'form.archive_count'};
return if ((!$numitems) \|\| ($numitems =~ /\D/));	return unless ($numitems);
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 13053 sub process_extracted_files {	Line 12601 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 13062 sub process_extracted_files {	Line 12610 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';	$containers{'0'}='sequence';
}	}
}	}
Line 13142 sub process_extracted_files {	Line 12690 sub process_extracted_files {
'.'.$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',	$result .= '<li>'.&mt('Folder: [_1] added to course',$docstitle).'</li>'."\n";
&HTML::Entities::encode($docstitle,'<>&"'))..
'</li>'."\n";
}	}
}	}
} else {	} else {
Line 13153 sub process_extracted_files {	Line 12699 sub process_extracted_files {
my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.	my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
$docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.	$docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.
$title;	$title;
if (($outer !~ /\D/) && ($mapinner{$outer} !~ /\D/) && ($newidx !~ /\D/)) {	if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {	mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);	}
}	if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {	mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");	}
}	if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {	system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
if (rename("$prefix$path","$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title")) {	$newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
$newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";	unless ($ishome) {
unless ($ishome) {	my $fetch = "$newdest{$i}/$title";
my $fetch = "$newdest{$i}/$title";	$fetch =~ s/^\Q$prefix$dir\E//;
$fetch =~ s/^\Q$prefix$dir\E//;	$prompttofetch{$fetch} = 1;
$prompttofetch{$fetch} = 1;
}
}
}	}
$LONCAPA::map::resources[$newidx]=	}
$docstitle.':'.$url.':false:normal:res';	$LONCAPA::map::resources[$newidx]=
push(@LONCAPA::map::order, $newidx);	$docstitle.':'.$url.':false:normal:res';
my ($outtext,$errtext)=	push(@LONCAPA::map::order, $newidx);
&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.	my ($outtext,$errtext)=
$docuname.'/'.$folders{$outer}.	&LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
'.'.$containers{$outer},1,1);	$docuname.'/'.$folders{$outer}.
unless ($errtext) {	'.'.$containers{$outer},1,1);
if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {	unless ($errtext) {
$result .= '<li>'.&mt('File: [_1] added to course',	if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
&HTML::Entities::encode($docstitle,'<>&"')).	$result .= '<li>'.&mt('File: [_1] added to course',$docstitle).'</li>'."\n";
'</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.',	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
&HTML::Entities::encode($path,'<>&"')).'<br />';
}	}
}	}
for (my $i=1; $i<=$numitems; $i++) {	for (my $i=1; $i<=$numitems; $i++) {
Line 13215 sub process_extracted_files {	Line 12752 sub process_extracted_files {
}	}
if ($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{$i}}";
Line 13254 sub process_extracted_files {	Line 12791 sub process_extracted_files {
}	}
if ($fullpath ne '') {	if ($fullpath ne '') {
if (-e "$prefix$path") {	if (-e "$prefix$path") {
unless (rename("$prefix$path","$fullpath/$title")) {	system("mv $prefix$path $fullpath/$title");
$warning .= &mt('Failed to rename dependency').'<br />';
}
}	}
if (-e "$fullpath/$title") {	if (-e "$fullpath/$title") {
my $showpath;	my $showpath;
Line 13264 sub process_extracted_files {	Line 12799 sub process_extracted_files {
$showpath = "$relpath/$title";	$showpath = "$relpath/$title";
} else {	} else {
$showpath = "/$title";	$showpath = "/$title";
}	}
$result .= '<li>'.&mt('[_1] included as a dependency',	$result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
&HTML::Entities::encode($showpath,'<>&"')).	}
'</li>'."\n";	unless ($ishome) {
unless ($ishome) {	my $fetch = "$fullpath/$title";
my $fetch = "$fullpath/$title";	$fetch =~ s/^\Q$prefix$dir\E//;
$fetch =~ s/^\Q$prefix$dir\E//;	$prompttofetch{$fetch} = 1;
$prompttofetch{$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.',	$warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
&HTML::Entities::encode($path,'<>&"'),	$path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';
&HTML::Entities::encode($env{'form.archive_content_'.$referrer{$i}},'<>&"')).
'<br />';
}	}
} else {	} else {
$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',	$warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
&HTML::Entities::encode($path)).'<br />';
}	}
}	}
if (keys(%todelete)) {	if (keys(%todelete)) {
Line 13558 sub upfile_store {	Line 13088 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 $datatoken = &valid_datatoken($env{'user.name'}.'_'.$env{'user.domain'}.	my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
'_enroll_'.$env{'request.course.id'}.'_'.	'_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
time.'_'.$$);
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 13576 sub upfile_store {	Line 13103 sub upfile_store {

=pod	=pod

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

Load uploaded file from tmp, $r should be the HTTP Request object,	Load uploaded file from tmp, $r should be the HTTP Request object,
$datatoken is the name to assign to the temporary file.	needs $env{'form.datatoken'},
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 ($r,$datatoken) = @_;	my $r=shift;
return if ($datatoken eq '');
my @studentdata=();	my @studentdata=();
{	{
my $studentfile = $r->dir_config('lonDaemons').	my $studentfile = $r->dir_config('lonDaemons').
'/tmp/'.$datatoken.'.tmp';	'/tmp/'.$env{'form.datatoken'}.'.tmp';
if ( open(my $fh,'<',$studentfile) ) {	if ( open(my $fh,"<$studentfile") ) {
@studentdata=<$fh>;	@studentdata=<$fh>;
close($fh);	close($fh);
}	}
Line 13599 sub load_tmp_file {	Line 13125 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 14047 sub DrawBarGraph {	Line 13565 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 14486 generated by lonerrorhandler.pm, CHECKRP	Line 14004 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.

Line 14510 Returns: comma separated list of address	Line 14022 Returns: comma separated list of address
############################################################	############################################################
############################################################	############################################################
sub build_recipient_list {	sub build_recipient_list {
my ($defmail,$mailing,$defdom,$origmail,$requname,$requdom,$reqemail) = @_;	my ($defmail,$mailing,$defdom,$origmail) = @_;
my @recipients;	my @recipients;
my ($otheremails,$lastresort,$allbcc,$addtext);	my $otheremails;
my %domconfig =	my %domconfig =
&Apache::lonnet::get_dom('configuration',['contacts'],$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'}{$mailing}) eq 'HASH') {
Line 14526 sub build_recipient_list {	Line 14038 sub build_recipient_list {
push(@recipients,$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 '') {
$lastresort = $origmail;	push(@recipients,$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 '') {
$lastresort = $origmail;	push(@recipients,$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 ($defmail ne '') {
Line 14722 sub build_recipient_list {	Line 14065 sub build_recipient_list {
}	}
}	}
}	}
if ($mailing eq 'helpdeskmail') {	my $recipientlist = join(',',@recipients);
if ((!@recipients) && ($lastresort ne '')) {	return $recipientlist;
push(@recipients,$lastresort);	}
}
} elsif ($lastresort ne '') {	############################################################
if (!grep(/^\Q$lastresort\E$/,@recipients)) {	############################################################
push(@recipients,$lastresort);
}	=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);
}	}
my $recipientlist = join(',',@recipients);	if ($bcc ne '') {
if (wantarray) {	$msg->add("Bcc" => $bcc);
return ($recipientlist,$allbcc,$addtext);	}
} else {	$msg->attr("content-type" => "text/plain");
return $recipientlist;	$msg->attr("content-type.charset" => "UTF-8");
	# Attach file if given
	if ($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 14827 jsarray (reference to array of categorie	Line 14238 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 14836 Side effects: populates trails and allit	Line 14245 Side effects: populates trails and allit
=cut	=cut

sub extract_categories {	sub extract_categories {
my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats,$maxd) = @_;	my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
if (ref($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($cats->[0]) eq 'ARRAY') {
Line 14862 sub extract_categories {	Line 14271 sub extract_categories {
if (ref($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,$maxd);	&recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
}	}
} 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 14908 Side effects: populates trails and allit	Line 14314 Side effects: populates trails and allit
=cut	=cut

sub recurse_categories {	sub recurse_categories {
my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats,$maxd) = @_;	my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
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(@{$trails})-1;
Line 14935 sub recurse_categories {	Line 14341 sub recurse_categories {
}	}
}	}
&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,	&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
$subcats,$maxd);	$subcats);
pop(@{$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 14970 currcat - scalar with an & separated lis	Line 14371 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,$type,$disabled) = @_;	my ($cathash,$currcat,$type) = @_;
my $output;	my $output;
if (ref($cathash) eq 'HASH') {	if (ref($cathash) eq 'HASH') {
my (@cats,@trails,%allitems,%idx,@jsarray,%maxd,@path,$maxdepth);	my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray,\%maxd);	&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
$maxdepth = scalar(@cats);	$maxdepth = scalar(@cats);
if (@cats > 0) {	if (@cats > 0) {
my $itemcount = 0;	my $itemcount = 0;
Line 15014 sub assign_categories_table {	Line 14412 sub assign_categories_table {
}	}
$table .= '<tr '.$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.$disabled.' />'.$parent_title.'</span>'.	$item.'"'.$checked.' />'.$parent_title.'</span>'.
'<input type="hidden" name="catname" value="'.$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,$disabled);	$table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
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 15057 path - Array containing all categories b	Line 14455 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,$disabled) = @_;	my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
my ($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 15088 sub assign_category_rows {	Line 14483 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.$disabled.' />'.$name.'</label></span>'.	$item.'"'.$checked.' />'.$name.'</label></span>'.
'<input type="hidden" name="catname" value="'.$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,$currcategories,$disabled);	$text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
pop(@{$path});	pop(@{$path});
}	}
$text .= '</td></tr>';	$text .= '</td></tr>';
Line 15241 sub commit_studentrole {	Line 14636 sub commit_studentrole {
}	}
}	}
} else {	} else {
if ($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.$linefeed;
Line 15324 sub check_clone {	Line 14719 sub check_clone {
return ($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;	$can_clone = 1;
} else {	} else {
Line 15338 sub check_clone {	Line 14733 sub check_clone {
if ($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 15357 sub check_clone {	Line 14752 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 $cloner (@cloners) {
Line 15396 sub check_clone {	Line 14791 sub check_clone {
if ($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 15413 sub check_clone {	Line 14808 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 15421 sub check_clone {	Line 14816 sub check_clone {
}	}

sub construct_course {	sub construct_course {
my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,	my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category,$coderef) = @_;
$cnum,$category,$coderef) = @_;
my $outcome;	my $outcome;
my $linefeed = '<br />'."\n";	my $linefeed = '<br />'."\n";
if ($context eq 'auto') {	if ($context eq 'auto') {
Line 15519 sub construct_course {	Line 14913 sub construct_course {
'plc.users.denied',	'plc.users.denied',
'hidefromcat',	'hidefromcat',
'checkforpriv',	'checkforpriv',
'categories'],	'categories',
	'internal.uniquecode'],
$$crsudom,$$crsunum);	$$crsudom,$$crsunum);
if ($args->{'textbook'}) {	if ($args->{'textbook'}) {
$cenv{'internal.textbook'} = $args->{'textbook'};	$cenv{'internal.textbook'} = $args->{'textbook'};
Line 15569 sub construct_course {	Line 14964 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 15597 sub construct_course {	Line 14992 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 15632 sub construct_course {	Line 15027 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.',	'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',
'howi' => 'However, if automated course roster updates are enabled for this class, these particular sections/crosslistings are not guaranteed to contribute towards enrollment.',	'dnhr' => 'does not have rights to access enrollment in these classes',
'itis' => 'It is possible that rights to access enrollment for these classes will be available through assignment of co-owners.',	'adby' => 'as determined by the policies of your institution on access to official classlists'
);	);
my $badclass_msg = $lt{'tclb'}.$linefeed.$lt{'howi'}.$linefeed.	my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
&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.$lt{'itis'};	' ('.$lt{'adby'}.')';
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) {
foreach my $item (@badclasses) {	if ($context eq 'auto') {
	$outcome .= " - $item\n";
	} else {
	$outcome .= "<li>$item</li>\n";
	}
	}
if ($context eq 'auto') {	if ($context eq 'auto') {
$outcome .= " - $item\n";	$outcome .= $linefeed;
} else {	} else {
$outcome .= "<li>$item</li>\n";	$outcome .= "</ul><br /><br /></div>\n";
}	}
}	}
if ($context eq 'auto') {
$outcome .= $linefeed;
} else {
$outcome .= "</ul><br /><br /></div>\n";
}
}	}
if ($args->{'no_end_date'}) {	if ($args->{'no_end_date'}) {
$args->{'endaccess'} = 0;	$args->{'endaccess'} = 0;
Line 15686 sub construct_course {	Line 15080 sub construct_course {
if ($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 15723 sub construct_course {	Line 15114 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 = $code;
}	}
Line 15760 sub construct_course {	Line 15151 sub construct_course {
# Open all assignments	# Open all assignments
#	#
if ($args->{'openall'}) {	if ($args->{'openall'}) {
my $opendate = time;
if ($args->{'openallfrom'} =~ /^\d+$/) {
$opendate = $args->{'openallfrom'};
}
my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';	my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
my %storecontent = ($storeunder => $opendate,	my %storecontent = ($storeunder => time,
$storeunder.'.type' => 'date_start');	$storeunder.'.type' => 'date_start');
$outcome .= &mt('All assignments open starting [_1]',
&Apache::lonlocal::locallocaltime($opendate)).': '.	$outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
&Apache::lonnet::cput	('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
}	}
#	#
# Set first page	# Set first page
Line 15813 sub make_unique_code {	Line 15199 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 15969 sub compare_arrays {	Line 15355 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, $args) = @_;
Line 16022 sub init_user_environment {	Line 15390 sub init_user_environment {
opendir(DIR,$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$/) {
if (tie(my %oldenv,'GDBM_File',"$lonids/$filename",	unlink($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 16089 sub init_user_environment {	Line 15441 sub init_user_environment {
# --------------------------------------------------------- Write first profile	# --------------------------------------------------------- Write first profile

{	{
my $ip = &Apache::lonnet::get_requestor_ip();
my %initial_env =	my %initial_env =
("user.name" => $username,	("user.name" => $username,
"user.domain" => $domain,	"user.domain" => $domain,
Line 16108 sub init_user_environment {	Line 15459 sub init_user_environment {
"request.course.sec" => '',	"request.course.sec" => '',
"request.role" => 'cm',	"request.role" => 'cm',
"request.role.adv" => $env{'user.adv'},	"request.role.adv" => $env{'user.adv'},
"request.host" => $ip,);	"request.host" => $ENV{'REMOTE_ADDR'},);

if ($form->{'localpath'}) {	if ($form->{'localpath'}) {
$initial_env{"browser.localpath"} = $form->{'localpath'};	$initial_env{"browser.localpath"} = $form->{'localpath'};
Line 16127 sub init_user_environment {	Line 15478 sub init_user_environment {
$env{'user.noloadbalance'} = $lonhost;	$env{'user.noloadbalance'} = $lonhost;
}	}

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

unless ($domain eq 'public') {	unless ($domain eq 'public') {
my %is_adv = ( is_adv => $env{'user.adv'} );	%domdef = &Apache::lonnet::get_domain_defaults($domain);
my %domdef = &Apache::lonnet::get_domain_defaults($domain);	}

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

Line 16271 and quotacheck.pl	Line 15614 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 16292 cloneruname - username of owner of new c	Line 15635 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 16446 sub build_filters {	Line 15789 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 16575 $typeelement	Line 15918 $typeelement
return $jscript.$clonewarning.$output;	return $jscript.$clonewarning.$output;
}	}

=pod	=pod

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

Line 16590 item - name of form element (sincefilter	Line 15933 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 16627 page load completion for page showing se	Line 15970 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 16666 to retrieve a hash for which keys are co	Line 16009 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 16678 cloneruname - optional username of new c	Line 16021 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 16688 cc_clone - escaped comma separated list	Line 16031 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 16772 sub search_courses {	Line 16115 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 16815 $required - LON-CAPA version needed by c	Line 16158 $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 16929 Inputs:	Line 16272 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 16937 Returns: an array; first element is:	Line 16280 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 16947 Returns: an array; first element is:	Line 16290 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 16997 sub update_content_constraints {	Line 16340 sub update_content_constraints {
my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});	my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
my %checkresponsetypes;	my %checkresponsetypes;
foreach my $key (keys(%Apache::lonnet::needsrelease)) {	foreach my $key (keys(%Apache::lonnet::needsrelease)) {
my ($item,$name,$value) = split(/:/,$key);	my ($item,$name,$value,$valmatch) = split(/:/,$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}
Line 17102 sub recurse_supplemental {	Line 16445 sub recurse_supplemental {
}	}

sub symb_to_docspath {	sub symb_to_docspath {
my ($symb,$navmapref) = @_;	my ($symb) = @_;
return unless ($symb && ref($navmapref));	return unless ($symb);
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 17111 sub symb_to_docspath {	Line 16454 sub symb_to_docspath {
$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};	$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
}	}
my $mapresobj;	my $mapresobj;
unless (ref($$navmapref)) {	my $navmap = Apache::lonnavmaps::navmap->new();
$$navmapref = Apache::lonnavmaps::navmap->new();	if (ref($navmap)) {
}	$mapresobj = $navmap->getResourceByUrl($mapurl);
if (ref($$navmapref)) {
$mapresobj = $$navmapref->getResourceByUrl($mapurl);
}	}
$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};	$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
my $type=$2;	my $type=$2;
Line 17125 sub symb_to_docspath {	Line 16466 sub symb_to_docspath {
if ($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 = $$navmapref->getByMapPc($pc);	my $res = $navmap->getByMapPc($pc);
if (ref($res)) {	if (ref($res)) {
my $thisurl = $res->src();	my $thisurl = $res->src();
$thisurl=~s{^.*/([^/]+)\.\w+$}{$1};	$thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
Line 17172 sub symb_to_docspath {	Line 16513 sub symb_to_docspath {
}	}

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

sub captcha_response {	sub captcha_response {
my ($context,$lonhost,$defdom) = @_;	my ($context,$lonhost) = @_;
my ($captcha_chk,$captcha_error);	my ($captcha_chk,$captcha_error);
my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom);	my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
if ($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,$version);	$captcha_chk = &check_recaptcha($privkey);
} else {	} else {
$captcha_chk = 1;	$captcha_chk = 1;
}	}
Line 17205 sub captcha_response {	Line 16545 sub captcha_response {
}	}

sub get_captcha_config {	sub get_captcha_config {
my ($context,$lonhost,$dom_in_effect) = @_;	my ($context,$lonhost) = @_;
my ($captcha,$pubkey,$privkey,$version,$hashtocheck);	my ($captcha,$pubkey,$privkey,$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 17222 sub get_captcha_config {	Line 16562 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 17243 sub get_captcha_config {	Line 16579 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') {
if ($dom_in_effect) {
my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect);
if ($passwdconf{'captcha'} eq 'recaptcha') {
if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') {
$pubkey = $passwdconf{'recaptchakeys'}{'public'};
$privkey = $passwdconf{'recaptchakeys'}{'private'};
}
if ($privkey && $pubkey) {
$captcha = 'recaptcha';
$version = $passwdconf{'recaptchaversion'};
if ($version ne '2') {
$version = 1;
}
} else {
$captcha = 'original';
}
} elsif ($passwdconf{'captcha'} ne 'notused') {
$captcha = 'original';
}
}
}	}
return ($captcha,$pubkey,$privkey,$version);	return ($captcha,$pubkey,$privkey);
}	}

sub create_captcha {	sub create_captcha {
Line 17291 sub create_captcha {	Line 16602 sub create_captcha {

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

Line 17338 sub check_captcha {	Line 16645 sub check_captcha {
}	}

sub create_recaptcha {	sub create_recaptcha {
my ($pubkey,$version) = @_;	my ($pubkey) = @_;
if ($version >= 2) {	my $use_ssl;
return '<div class="g-recaptcha" data-sitekey="'.$pubkey.'"></div>'.	if ($ENV{'SERVER_PORT'} == 443) {
'<div style="padding:0;clear:both;margin:0;border:0"></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 ($privkey,$version) = @_;	my ($privkey) = @_;
my $captcha_chk;	my $captcha_chk;
my $ip = &Apache::lonnet::get_requestor_ip();	my $captcha = Captcha::reCAPTCHA->new;
if ($version >= 2) {	my $captcha_result =
my $ua = LWP::UserAgent->new;	$captcha->check_answer(
$ua->timeout(10);	$privkey,
my %info = (	$ENV{'REMOTE_ADDR'},
secret => $privkey,	$env{'form.recaptcha_challenge_field'},
response => $env{'form.g-recaptcha-response'},	$env{'form.recaptcha_response_field'},
remoteip => $ip,	);
);	if ($captcha_result->{is_valid}) {
my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info);	$captcha_chk = 1;
if ($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,
$ip,
$env{'form.recaptcha_challenge_field'},
$env{'form.recaptcha_response_field'},
);
if ($captcha_result->{is_valid}) {
$captcha_chk = 1;
}
}	}
return $captcha_chk;	return $captcha_chk;
}	}

sub emailusername_info {	sub emailusername_info {
my @fields = ('firstname','lastname','institution','web','location','officialemail','id');	my @fields = ('firstname','lastname','institution','web','location','officialemail');
my %titles = &Apache::lonlocal::texthash (	my %titles = &Apache::lonlocal::texthash (
lastname => 'Last Name',	lastname => 'Last Name',
firstname => 'First Name',	firstname => 'First Name',
Line 17402 sub emailusername_info {	Line 16684 sub emailusername_info {
location => "School's city, state/province, country",	location => "School's city, state/province, country",
web => "School's web address",	web => "School's web address",
officialemail => 'E-mail address at institution (if different)',	officialemail => 'E-mail address at institution (if different)',
id => 'Student/Employee ID',
);	);
return (\@fields,\%titles);	return (\@fields,\%titles);
}	}
Line 17433 sub cleanup_html {	Line 16714 sub cleanup_html {
# $interval indicates how often to check for messages.	# $interval indicates how often to check for messages.
sub critical_redirect {	sub critical_redirect {
my ($interval) = @_;	my ($interval) = @_;
unless (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) {
return ();
}
if ((time-$env{'user.criticalcheck.time'})>$interval) {	if ((time-$env{'user.criticalcheck.time'})>$interval) {
my @what=&Apache::lonnet::dump('critical', $env{'user.domain'},	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') && ($what[0] ne 'no_such_host') && ($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 17486 sub des_decrypt {	Line 16764 sub des_decrypt {
} else {	} else {
$cypher=new DES $keybin;	$cypher=new DES $keybin;
}	}
my $plaintext='';	my $plaintext=
my $cypherlength = length($cyphertext);	$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));
my $numchunks = int($cypherlength/32);	$plaintext.=
for (my $j=0; $j<$numchunks; $j++) {	$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));
my $start = $j*32;	$plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );
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 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 $ua = LWP::UserAgent->new;
$ua->timeout(5);
my $response=$ua->request($request);
if ($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.1.1075.2.165
changed lines
	Added in v.1.1231