loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.1075.2.73 and 1.1075.2.107

version 1.1075.2.73, 2014/05/16 18:36:05	version 1.1075.2.107, 2016/08/12 19:13:44
Line 72 use Apache::lonuserstate();	Line 72 use Apache::lonuserstate();
use Apache::courseclassifier();	use Apache::courseclassifier();
use LONCAPA qw(:DEFAULT :match);	use LONCAPA qw(:DEFAULT :match);
use DateTime::TimeZone;	use DateTime::TimeZone;
use DateTime::Locale::Catalog;	use DateTime::Locale;
	use Encode();
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

Line 532 ENDAUTHORBRW	Line 535 ENDAUTHORBRW

sub coursebrowser_javascript {	sub coursebrowser_javascript {
my ($domainfilter,$sec_element,$formname,$role_element,$crstype,	my ($domainfilter,$sec_element,$formname,$role_element,$crstype,
$credits_element) = @_;	$credits_element,$instcode) = @_;
my $wintitle = 'Course_Browser';	my $wintitle = 'Course_Browser';
if ($crstype eq 'Community') {	if ($crstype eq 'Community') {
$wintitle = 'Community_Browser';	$wintitle = 'Community_Browser';
Line 583 sub coursebrowser_javascript {	Line 586 sub coursebrowser_javascript {
var ownername = document.forms[formid].ccuname.value;	var ownername = document.forms[formid].ccuname.value;
var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;	var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
url += '&cloner='+ownername+':'+ownerdom;	url += '&cloner='+ownername+':'+ownerdom;
	if (type == 'Course') {
	url += '&crscode='+document.forms[formid].crscode.value;
	}
	}
	if (formname == 'requestcrs') {
	url += '&crsdom=$domainfilter&crscode=$instcode';
}	}
if (multflag !=null && multflag != '') {	if (multflag !=null && multflag != '') {
url += '&multiple='+multflag;	url += '&multiple='+multflag;
Line 958 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::Catalog::Locales;	my @locales = DateTime::Locale->ids();
foreach my $locale (@locales) {	foreach my $id (@locales) {
if (ref($locale) eq 'HASH') {	if ($id ne '') {
my $id = $locale->{'id'};	my ($en_terr,$native_terr);
if ($id ne '') {	my $loc = DateTime::Locale->load($id);
my $en_terr = $locale->{'en_territory'};	if (ref($loc)) {
my $native_terr = $locale->{'native_territory'};	$en_terr = $loc->name();
my @languages = &Apache::lonlocal::preferred_languages();	$native_terr = $loc->native_name();
if (grep(/^en$/,@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 980 sub select_datelocale {	Line 990 sub select_datelocale {
$locale_names{$id} = '('.$en_terr.')';	$locale_names{$id} = '('.$en_terr.')';
}	}
}	}
push (@possibles,$id);	$locale_names{$id} = Encode::encode('UTF-8',$locale_names{$id});
	push(@possibles,$id);
}	}
}	}
}	}
Line 991 sub select_datelocale {	Line 1002 sub select_datelocale {
}	}
$output.=">$item";	$output.=">$item";
if ($locale_names{$item} ne '') {	if ($locale_names{$item} ne '') {
$output.=" $locale_names{$item}</option>\n";	$output.=' '.$locale_names{$item};
}	}
$output.="</option>\n";	$output.="</option>\n";
}	}
Line 1293 sub helpLatexCheatsheet {	Line 1304 sub helpLatexCheatsheet {
$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'),$stayOnPage,undef,600)
.'</span> <span>'	.'</span> <span>'
.&help_open_topic('Authoring_Multilingual_Problems',&mt('How to create problems in different languages'),$stayOnPage,undef,600)	.&help_open_topic('Authoring_Multilingual_Problems',&mt('Languages'),$stayOnPage,undef,600)
.'</span>';	.'</span>';
}	}
$out .= '</span>'; # End cheatsheet	$out .= '</span>'; # End cheatsheet
Line 2341 Outputs:	Line 2352 Outputs:

=item * $clientinfo	=item * $clientinfo

	=item * $clientosversion

=back	=back

=back	=back
Line 2360 sub decode_user_agent {	Line 2373 sub decode_user_agent {
my $clientmathml='';	my $clientmathml='';
my $clientunicode='0';	my $clientunicode='0';
my $clientmobile=0;	my $clientmobile=0;
	my $clientosversion='';
for (my $i=0;$i<=$#browsertype;$i++) {	for (my $i=0;$i<=$#browsertype;$i++) {
my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);	my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\%/,$browsertype[$i]);
if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {	if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
$clientbrowser=$bname;	$clientbrowser=$bname;
$httpbrowser=~/$vreg/i;	$httpbrowser=~/$vreg/i;
Line 2381 sub decode_user_agent {	Line 2395 sub decode_user_agent {
if ($httpbrowser=~/next/i) { $clientos='next'; }	if ($httpbrowser=~/next/i) { $clientos='next'; }
if (($httpbrowser=~/mac/i) \|\|	if (($httpbrowser=~/mac/i) \|\|
($httpbrowser=~/powerpc/i)) { $clientos='mac'; }	($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
if ($httpbrowser=~/win/i) { $clientos='win'; }	if ($httpbrowser=~/win/i) {
	$clientos='win';
	if ($httpbrowser =~/Windows\s+NT\s+(\d+\.\d+)/i) {
	$clientosversion = $1;
	}
	}
if ($httpbrowser=~/embed/i) { $clientos='pda'; }	if ($httpbrowser=~/embed/i) { $clientos='pda'; }
if ($httpbrowser=~/(Android\|iPod\|iPad\|iPhone\|webOS\|Blackberry\|Windows Phone\|Opera m(?:ob\|in)\|Fennec)/i) {	if ($httpbrowser=~/(Android\|iPod\|iPad\|iPhone\|webOS\|Blackberry\|Windows Phone\|Opera m(?:ob\|in)\|Fennec)/i) {
$clientmobile=lc($1);	$clientmobile=lc($1);
Line 2392 sub decode_user_agent {	Line 2411 sub decode_user_agent {
$clientinfo = 'chromeframe-'.$1;	$clientinfo = 'chromeframe-'.$1;
}	}
return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,	return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
$clientunicode,$clientos,$clientmobile,$clientinfo);	$clientunicode,$clientos,$clientmobile,$clientinfo,
	$clientosversion);
}	}

###############################################################	###############################################################
Line 3668 sub user_lang {	Line 3688 sub user_lang {
=over 4	=over 4

=item * &get_previous_attempt($symb, $username, $domain, $course,	=item * &get_previous_attempt($symb, $username, $domain, $course,
$getattempt, $regexp, $gradesub)	$getattempt, $regexp, $gradesub, $usec, $identifier)

Return string with previous attempt on problem. Arguments:	Return string with previous attempt on problem. Arguments:

Line 3690 Return string with previous attempt on p	Line 3710 Return string with previous attempt on p

=item * $gradesub: routine that processes the string if it matches $regexp	=item * $gradesub: routine that processes the string if it matches $regexp

	=item * $usec: section of the desired student

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

=back	=back

The output string is a table containing all desired attempts, if any.	The output string is a table containing all desired attempts, if any.
Line 3697 The output string is a table containing	Line 3722 The output string is a table containing
=cut	=cut

sub get_previous_attempt {	sub get_previous_attempt {
my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;	my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub,$usec,$identifier)=@_;
my $prevattempts='';	my $prevattempts='';
no strict 'refs';	no strict 'refs';
if ($symb) {	if ($symb) {
Line 3707 sub get_previous_attempt {	Line 3732 sub get_previous_attempt {
my %lasthash=();	my %lasthash=();
my $version;	my $version;
for ($version=1;$version<=$returnhash{'version'};$version++) {	for ($version=1;$version<=$returnhash{'version'};$version++) {
foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {	foreach my $key (reverse(sort(split(/\:/,$returnhash{$version.':keys'})))) {
$lasthash{$key}=$returnhash{$version.':'.$key};	if ($key =~ /\.rawrndseed$/) {
	my ($id) = ($key =~ /^(.+)\.rawrndseed$/);
	$lasthash{$id.'.rndseed'} = $returnhash{$version.':'.$key};
	} else {
	$lasthash{$key}=$returnhash{$version.':'.$key};
	}
}	}
}	}
$prevattempts=&start_data_table().&start_data_table_header_row();	$prevattempts=&start_data_table().&start_data_table_header_row();
$prevattempts.='<th>'.&mt('History').'</th>';	$prevattempts.='<th>'.&mt('History').'</th>';
my (%typeparts,%lasthidden);	my (%typeparts,%lasthidden,%regraded,%hidestatus);
my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});	my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
foreach my $key (sort(keys(%lasthash))) {	foreach my $key (sort(keys(%lasthash))) {
my ($ign,@parts) = split(/\./,$key);	my ($ign,@parts) = split(/\./,$key);
Line 3730 sub get_previous_attempt {	Line 3760 sub get_previous_attempt {
$lasthidden{$ign.'.'.$id} = 1;	$lasthidden{$ign.'.'.$id} = 1;
}	}
}	}
	if ($identifier ne '') {
	my $id = join(',',@parts);
	if (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb,
	$domain,$username,$usec,undef,$course) =~ /^no/) {
	$hidestatus{$ign.'.'.$id} = 1;
	}
	}
	} elsif ($data eq 'regrader') {
	if (($identifier ne '') && (@parts)) {
	my $id = join(',',@parts);
	$regraded{$ign.'.'.$id} = 1;
	}
}	}
} else {	} else {
if ($#parts == 0) {	if ($#parts == 0) {
Line 3741 sub get_previous_attempt {	Line 3783 sub get_previous_attempt {
}	}
$prevattempts.=&end_data_table_header_row();	$prevattempts.=&end_data_table_header_row();
if ($getattempt eq '') {	if ($getattempt eq '') {
	my (%solved,%resets,%probstatus);
	if (($identifier ne '') && (keys(%regraded) > 0)) {
	for ($version=1;$version<=$returnhash{'version'};$version++) {
	foreach my $id (keys(%regraded)) {
	if (($returnhash{$version.':'.$id.'.regrader'}) &&
	($returnhash{$version.':'.$id.'.tries'} eq '') &&
	($returnhash{$version.':'.$id.'.award'} eq '')) {
	push(@{$resets{$id}},$version);
	}
	}
	}
	}
for ($version=1;$version<=$returnhash{'version'};$version++) {	for ($version=1;$version<=$returnhash{'version'};$version++) {
my @hidden;	my (@hidden,@unsolved);
if (%typeparts) {	if (%typeparts) {
foreach my $id (keys(%typeparts)) {	foreach my $id (keys(%typeparts)) {
if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') \|\| ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {	if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') \|\|
	($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
push(@hidden,$id);	push(@hidden,$id);
	} elsif ($identifier ne '') {
	unless (($returnhash{$version.':'.$id.'.type'} eq 'survey') \|\|
	($returnhash{$version.':'.$id.'.type'} eq 'surveycred') \|\|
	($hidestatus{$id})) {
	next if ((ref($resets{$id}) eq 'ARRAY') && grep(/^\Q$version\E$/,@{$resets{$id}}));
	if ($returnhash{$version.':'.$id.'.solved'} eq 'correct_by_student') {
	push(@{$solved{$id}},$version);
	} elsif (($returnhash{$version.':'.$id.'.solved'} ne '') &&
	(ref($solved{$id}) eq 'ARRAY')) {
	my $skip;
	if (ref($resets{$id}) eq 'ARRAY') {
	foreach my $reset (@{$resets{$id}}) {
	if ($reset > $solved{$id}[-1]) {
	$skip=1;
	last;
	}
	}
	}
	unless ($skip) {
	my ($ign,$partslist) = split(/\./,$id,2);
	push(@unsolved,$partslist);
	}
	}
	}
}	}
}	}
}	}
$prevattempts.=&start_data_table_row().	$prevattempts.=&start_data_table_row().
'<td>'.&mt('Transaction [_1]',$version).'</td>';	'<td>'.&mt('Transaction [_1]',$version);
	if (@unsolved) {
	$prevattempts .= '<span class="LC_nobreak"><label>'.
	'<input type="checkbox" name="HIDE'.$identifier.'" value="'.$version.':'.join('_',@unsolved).'" />'.
	&mt('Hide').'</label></span>';
	}
	$prevattempts .= '</td>';
if (@hidden) {	if (@hidden) {
foreach my $key (sort(keys(%lasthash))) {	foreach my $key (sort(keys(%lasthash))) {
next if ($key =~ /\.foilorder$/);	next if ($key =~ /\.foilorder$/);
Line 3773 sub get_previous_attempt {	Line 3858 sub get_previous_attempt {
}	}
} else {	} else {
if ($key =~ /\./) {	if ($key =~ /\./) {
my $value = &format_previous_attempt_value($key,	my $value = $returnhash{$version.':'.$key};
$returnhash{$version.':'.$key});	if ($key =~ /\.rndseed$/) {
$prevattempts.='<td>'.$value.' </td>';	my ($id) = ($key =~ /^(.+)\.rndseed$/);
	if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) {
	$value = $returnhash{$version.':'.$id.'.rawrndseed'};
	}
	}
	$prevattempts.='<td>'.&format_previous_attempt_value($key,$value).
	' </td>';
} else {	} else {
$prevattempts.='<td> </td>';	$prevattempts.='<td> </td>';
}	}
Line 3784 sub get_previous_attempt {	Line 3875 sub get_previous_attempt {
} else {	} else {
foreach my $key (sort(keys(%lasthash))) {	foreach my $key (sort(keys(%lasthash))) {
next if ($key =~ /\.foilorder$/);	next if ($key =~ /\.foilorder$/);
my $value = &format_previous_attempt_value($key,	my $value = $returnhash{$version.':'.$key};
$returnhash{$version.':'.$key});	if ($key =~ /\.rndseed$/) {
$prevattempts.='<td>'.$value.' </td>';	my ($id) = ($key =~ /^(.+)\.rndseed$/);
	if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) {
	$value = $returnhash{$version.':'.$id.'.rawrndseed'};
	}
	}
	$prevattempts.='<td>'.&format_previous_attempt_value($key,$value).
	' </td>';
}	}
}	}
$prevattempts.=&end_data_table_row();	$prevattempts.=&end_data_table_row();
Line 4541 sub blocking_status {	Line 4638 sub blocking_status {
# build a link to a popup window containing the details	# build a link to a popup window containing the details
my $querystring = "?activity=$activity";	my $querystring = "?activity=$activity";
# $uname and $udom decide whose portfolio the user is trying to look at	# $uname and $udom decide whose portfolio the user is trying to look at
if ($activity eq 'port') {	if (($activity eq 'port') \|\| ($activity eq 'passwd')) {
$querystring .= "&udom=$udom" if $udom;	$querystring .= "&udom=$udom" if ($udom =~ /^$match_domain$/);
$querystring .= "&uname=$uname" if $uname;	$querystring .= "&uname=$uname" if ($uname =~ /^$match_username$/);
} elsif ($activity eq 'docs') {	} elsif ($activity eq 'docs') {
$querystring .= '&url='.&HTML::Entities::encode($url,'&"');	$querystring .= '&url='.&HTML::Entities::encode($url,'&"');
}	}
Line 4562 END_MYBLOCK	Line 4659 END_MYBLOCK

my $popupUrl = "/adm/blockingstatus/$querystring";	my $popupUrl = "/adm/blockingstatus/$querystring";
my $text = &mt('Communication Blocked');	my $text = &mt('Communication Blocked');
	my $class = 'LC_comblock';
if ($activity eq 'docs') {	if ($activity eq 'docs') {
$text = &mt('Content Access Blocked');	$text = &mt('Content Access Blocked');
	$class = '';
} elsif ($activity eq 'printout') {	} elsif ($activity eq 'printout') {
$text = &mt('Printing Blocked');	$text = &mt('Printing Blocked');
	} elsif ($activity eq 'passwd') {
	$text = &mt('Password Changing Blocked');
}	}
$output .= <<"END_BLOCK";	$output .= <<"END_BLOCK";
<div class='LC_comblock'>	<div class='$class'>
<a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'	<a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
title='$text'>	title='$text'>
<img class='LC_noBorder LC_middle' title='$text' src='/res/adm/pages/comblock.png' alt='$text'/></a>	<img class='LC_noBorder LC_middle' title='$text' src='/res/adm/pages/comblock.png' alt='$text'/></a>
Line 4584 END_BLOCK	Line 4685 END_BLOCK
###############################################	###############################################

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

my $name;	my $name;
foreach my $pattern (split(',',$acc)) {	foreach my $pattern (split(',',$acc)) {
Line 4686 sub get_domainconf {	Line 4787 sub get_domainconf {
if (keys(%{$domconfig{'login'}})) {	if (keys(%{$domconfig{'login'}})) {
foreach my $key (keys(%{$domconfig{'login'}})) {	foreach my $key (keys(%{$domconfig{'login'}})) {
if (ref($domconfig{'login'}{$key}) eq 'HASH') {	if (ref($domconfig{'login'}{$key}) eq 'HASH') {
if ($key eq 'loginvia') {	if (($key eq 'loginvia') \|\| ($key eq 'headtag')) {
if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {	if (ref($domconfig{'login'}{$key}) eq 'HASH') {
foreach my $hostname (keys(%{$domconfig{'login'}{'loginvia'}})) {	foreach my $hostname (keys(%{$domconfig{'login'}{$key}})) {
if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {	if (ref($domconfig{'login'}{$key}{$hostname}) eq 'HASH') {
if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {	if ($key eq 'loginvia') {
my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};	if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
$designhash{$udom.'.login.loginvia'} = $server;	my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {	$designhash{$udom.'.login.loginvia'} = $server;
	if ($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'}{$hostname}{'serverpath'};
	}
}	}
if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {	} elsif ($key eq 'headtag') {
$designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};	if ($domconfig{'login'}{'headtag'}{$hostname}{'url'}) {
	$designhash{$udom.'.login.headtag_'.$hostname} = $domconfig{'login'}{'headtag'}{$hostname}{'url'};
}	}
}	}
	if ($domconfig{'login'}{$key}{$hostname}{'exempt'}) {
	$designhash{$udom.'.login.'.$key.'_exempt_'.$hostname} = $domconfig{'login'}{$key}{$hostname}{'exempt'};
	}
}	}
}	}
}	}
Line 5026 Inputs:	Line 5132 Inputs:

=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
inherit_jsmath -> when creating popup window in a page,
should it have jsmath forced on by the
current page

=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 5096 sub bodytag {	Line 5199 sub bodytag {

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

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

Line 5323 sub endbodytag {	Line 5426 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 6602 fieldset {	Line 6704 fieldset {
/* overflow: hidden; */	/* overflow: hidden; */
}	}

	article.geogebraweb div {
	margin: 0;
	}

fieldset > legend {	fieldset > legend {
font-weight: bold;	font-weight: bold;
padding: 0 5px 0 5px;	padding: 0 5px 0 5px;
Line 7337 sub headtag {	Line 7443 sub headtag {
<meta http-equiv="pragma" content="no-cache" />	<meta http-equiv="pragma" content="no-cache" />
<meta http-equiv="Refresh" content="$time; url=$url" />	<meta http-equiv="Refresh" content="$time; url=$url" />
ADDMETA	ADDMETA
	} else {
	unless (($args->{'frameset'}) \|\| ($args->{'js_ready'}) \|\| ($args->{'only_body'}) \|\| ($args->{'no_nav_bar'})) {
	my $requrl = $env{'request.uri'};
	if ($requrl eq '') {
	$requrl = $ENV{'REQUEST_URI'};
	$requrl =~ s/\?.+$//;
	}
	unless (($requrl =~ m{^/adm/(?:switchserver\|login\|authenticate\|logout\|groupsort\|cleanup\|helper\|slotrequest\|grades)(\?\|$)}) \|\|
	(($requrl =~ m{^/res/}) && (($env{'form.submitted'} eq 'scantron') \|\|
	($env{'form.grade_symb'}) \|\| ($Apache::lonhomework::scantronmode)))) {
	my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};
	unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {
	my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);
	if (ref($domdefs{'offloadnow'}) eq 'HASH') {
	my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
	if ($domdefs{'offloadnow'}{$lonhost}) {
	my $newserver = &Apache::lonnet::spareserver(30000,undef,1,$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));
	$msg = &mt('Once the following tasks are complete: ')."\\n".
	join(", ",sort(values(%locks)))."\\n".
	&mt('your session will be transferred to a different server, after you click "Roles".');
	} else {
	if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {
	$msg = &mt('Your LON-CAPA submission has been recorded')."\\n";
	}
	$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);
	$newurl = '/adm/switchserver?otherserver='.$newserver;
	if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {
	$newurl .= '&role='.$env{'request.role'};
	}
	if ($env{'request.symb'}) {
	$newurl .= '&symb='.$env{'request.symb'};
	} else {
	$newurl .= '&origurl='.$requrl;
	}
	}
	&js_escape(\$msg);
	$result.=<<OFFLOAD
	<meta http-equiv="pragma" content="no-cache" />
	<script type="text/javascript">
	// <![CDATA[
	function LC_Offload_Now() {
	var dest = "$newurl";
	if (dest != '') {
	window.location.href="$newurl";
	}
	}
	\$(document).ready(function () {
	window.alert('$msg');
	if ($disable_submit) {
	\$(".LC_hwk_submit").prop("disabled", true);
	\$( ".LC_textline" ).prop( "readonly", "readonly");
	}
	setTimeout('LC_Offload_Now()', $timeout);
	});
	// ]]>
	</script>
	OFFLOAD
	}
	}
	}
	}
	}
	}
}	}
if (!defined($title)) {	if (!defined($title)) {
$title = 'The LearningOnline Network with CAPA';	$title = 'The LearningOnline Network with CAPA';
Line 7534 $args - additional optional args support	Line 7716 $args - additional optional args support
no_inline_link -> if true and in remote mode, don't show the	no_inline_link -> if true and in remote mode, don't show the
'Switch To Inline Menu' link	'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
group -> includes the current group, if page is for a	group -> includes the current group, if page is for a
Line 7663 function set_wishlistlink(title, path) {	Line 7842 function set_wishlistlink(title, path) {
title = title.replace(/^LON-CAPA /,'');	title = title.replace(/^LON-CAPA /,'');
}	}
title = encodeURIComponent(title);	title = encodeURIComponent(title);
	title = title.replace("'","\\\'");
if (!path) {	if (!path) {
path = location.pathname;	path = location.pathname;
}	}
path = encodeURIComponent(path);	path = encodeURIComponent(path);
	path = path.replace("'","\\\'");
Win = window.open('/adm/wishlist?mode=newLink&setTitle='+title+'&setPath='+path,	Win = window.open('/adm/wishlist?mode=newLink&setTitle='+title+'&setPath='+path,
'wishlistNewLink','width=560,height=350,scrollbars=0');	'wishlistNewLink','width=560,height=350,scrollbars=0');
}	}
Line 7709 var modalWindow = {	Line 7890 var modalWindow = {
};	};
var openMyModal = function(source,width,height,scrolling,transparency,style)	var openMyModal = function(source,width,height,scrolling,transparency,style)
{	{
	source = source.replace("'","'");
modalWindow.windowId = "myModal";	modalWindow.windowId = "myModal";
modalWindow.width = width;	modalWindow.width = width;
modalWindow.height = height;	modalWindow.height = height;
modalWindow.content = "<iframe width='"+width+"' height='"+height+"' frameborder='0' scrolling='"+scrolling+"' allowtransparency='"+transparency+"' src='" + source + "' style='"+style+"'>&lt/iframe>";	modalWindow.content = "<iframe width='"+width+"' height='"+height+"' frameborder='0' scrolling='"+scrolling+"' allowtransparency='"+transparency+"' src='" + source + "' style='"+style+"'></iframe>";
modalWindow.open();	modalWindow.open();
};	};
// END LON-CAPA Internal -->	// END LON-CAPA Internal -->
// ]]>	// ]]>
</script>	</script>
Line 8316 role status: active, previous or future.	Line 8498 role status: active, previous or future.
sub check_user_status {	sub check_user_status {
my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;	my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);	my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
my @uroles = keys %userinfo;	my @uroles = keys(%userinfo);
my $srchstr;	my $srchstr;
my $active_chk = 'none';	my $active_chk = 'none';
my $now = time;	my $now = time;
Line 9046 sub user_picker {	Line 9228 sub user_picker {
}	}
$srchterm = $srch->{'srchterm'};	$srchterm = $srch->{'srchterm'};
}	}
my %lt=&Apache::lonlocal::texthash(	my %html_lt=&Apache::lonlocal::texthash(
'usr' => 'Search criteria',	'usr' => 'Search criteria',
'doma' => 'Domain/institution to search',	'doma' => 'Domain/institution to search',
'uname' => 'username',	'uname' => 'username',
Line 9059 sub user_picker {	Line 9241 sub user_picker {
'exact' => 'is',	'exact' => 'is',
'contains' => 'contains',	'contains' => 'contains',
'begins' => 'begins with',	'begins' => 'begins with',
	);
	my %js_lt=&Apache::lonlocal::texthash(
'youm' => "You must include some text to search for.",	'youm' => "You must include some text to search for.",
'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",	'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",	'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
Line 9068 sub user_picker {	Line 9252 sub user_picker {
'whse' => "When searching by last,first you must include at least one character in the first name.",	'whse' => "When searching by last,first you must include at least one character in the first name.",
'thfo' => "The following need to be corrected before the search can be run:",	'thfo' => "The following need to be corrected before the search can be run:",
);	);
	&html_escape(\%html_lt);
	&js_escape(\%js_lt);
my $domform = &select_dom_form($currdom,'srchdomain',1,1);	my $domform = &select_dom_form($currdom,'srchdomain',1,1);
my $srchinsel = ' <select name="srchin">';	my $srchinsel = ' <select name="srchin">';

Line 9082 sub user_picker {	Line 9268 sub user_picker {
next if ($option eq 'crs' && !$env{'request.course.id'});	next if ($option eq 'crs' && !$env{'request.course.id'});
if ($curr_selected{'srchin'} eq $option) {	if ($curr_selected{'srchin'} eq $option) {
$srchinsel .= '	$srchinsel .= '
<option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';	<option value="'.$option.'" selected="selected">'.$html_lt{$option}.'</option>';
} else {	} else {
$srchinsel .= '	$srchinsel .= '
<option value="'.$option.'">'.$lt{$option}.'</option>';	<option value="'.$option.'">'.$html_lt{$option}.'</option>';
}	}
}	}
$srchinsel .= "\n </select>\n";	$srchinsel .= "\n </select>\n";
Line 9094 sub user_picker {	Line 9280 sub user_picker {
foreach my $option ('lastname','lastfirst','uname') {	foreach my $option ('lastname','lastfirst','uname') {
if ($curr_selected{'srchby'} eq $option) {	if ($curr_selected{'srchby'} eq $option) {
$srchbysel .= '	$srchbysel .= '
<option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';	<option value="'.$option.'" selected="selected">'.$html_lt{$option}.'</option>';
} else {	} else {
$srchbysel .= '	$srchbysel .= '
<option value="'.$option.'">'.$lt{$option}.'</option>';	<option value="'.$option.'">'.$html_lt{$option}.'</option>';
}	}
}	}
$srchbysel .= "\n </select>\n";	$srchbysel .= "\n </select>\n";
Line 9106 sub user_picker {	Line 9292 sub user_picker {
foreach my $option ('begins','contains','exact') {	foreach my $option ('begins','contains','exact') {
if ($curr_selected{'srchtype'} eq $option) {	if ($curr_selected{'srchtype'} eq $option) {
$srchtypesel .= '	$srchtypesel .= '
<option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';	<option value="'.$option.'" selected="selected">'.$html_lt{$option}.'</option>';
} else {	} else {
$srchtypesel .= '	$srchtypesel .= '
<option value="'.$option.'">'.$lt{$option}.'</option>';	<option value="'.$option.'">'.$html_lt{$option}.'</option>';
}	}
}	}
$srchtypesel .= "\n </select>\n";	$srchtypesel .= "\n </select>\n";
Line 9194 function validateEntry(callingForm) {	Line 9380 function validateEntry(callingForm) {

if (srchterm == "") {	if (srchterm == "") {
checkok = 0;	checkok = 0;
msg += "$lt{'youm'}\\n";	msg += "$js_lt{'youm'}\\n";
}	}

if (srchtype== 'begins') {	if (srchtype== 'begins') {
if (srchterm.length < 2) {	if (srchterm.length < 2) {
checkok = 0;	checkok = 0;
msg += "$lt{'thte'}\\n";	msg += "$js_lt{'thte'}\\n";
}	}
}	}

if (srchtype== 'contains') {	if (srchtype== 'contains') {
if (srchterm.length < 3) {	if (srchterm.length < 3) {
checkok = 0;	checkok = 0;
msg += "$lt{'thet'}\\n";	msg += "$js_lt{'thet'}\\n";
}	}
}	}
if (srchin == 'instd') {	if (srchin == 'instd') {
if (srchdomain == '') {	if (srchdomain == '') {
checkok = 0;	checkok = 0;
msg += "$lt{'yomc'}\\n";	msg += "$js_lt{'yomc'}\\n";
}	}
}	}
if (srchin == 'dom') {	if (srchin == 'dom') {
if (srchdomain == '') {	if (srchdomain == '') {
checkok = 0;	checkok = 0;
msg += "$lt{'ymcd'}\\n";	msg += "$js_lt{'ymcd'}\\n";
}	}
}	}
if (srchby == 'lastfirst') {	if (srchby == 'lastfirst') {
if (srchterm.indexOf(",") == -1) {	if (srchterm.indexOf(",") == -1) {
checkok = 0;	checkok = 0;
msg += "$lt{'whus'}\\n";	msg += "$js_lt{'whus'}\\n";
}	}
if (srchterm.indexOf(",") == srchterm.length -1) {	if (srchterm.indexOf(",") == srchterm.length -1) {
checkok = 0;	checkok = 0;
msg += "$lt{'whse'}\\n";	msg += "$js_lt{'whse'}\\n";
}	}
}	}
if (checkok == 0) {	if (checkok == 0) {
alert("$lt{'thfo'}\\n"+msg);	alert("$js_lt{'thfo'}\\n"+msg);
return;	return;
}	}
if (checkok == 1) {	if (checkok == 1) {
Line 9251 $new_user_create	Line 9437 $new_user_create
END_BLOCK	END_BLOCK

$output .= &Apache::lonhtmlcommon::start_pick_box().	$output .= &Apache::lonhtmlcommon::start_pick_box().
&Apache::lonhtmlcommon::row_title($lt{'doma'}).	&Apache::lonhtmlcommon::row_title($html_lt{'doma'}).
$domform.	$domform.
&Apache::lonhtmlcommon::row_closure().	&Apache::lonhtmlcommon::row_closure().
&Apache::lonhtmlcommon::row_title($lt{'usr'}).	&Apache::lonhtmlcommon::row_title($html_lt{'usr'}).
$srchbysel.	$srchbysel.
$srchtypesel.	$srchtypesel.
'<input type="text" size="15" name="srchterm" value="'.$srchterm.'" />'.	'<input type="text" size="15" name="srchterm" value="'.$srchterm.'" />'.
Line 9267 END_BLOCK	Line 9453 END_BLOCK

sub user_rule_check {	sub user_rule_check {
my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;	my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
my $response;	my ($response,%inst_response);
if (ref($usershash) eq 'HASH') {	if (ref($usershash) eq 'HASH') {
foreach my $user (keys(%{$usershash})) {	if (keys(%{$usershash}) > 1) {
my ($uname,$udom) = split(/:/,$user);	my (%by_username,%by_id,%userdoms);
next if ($udom eq '' \|\| $uname eq '');	my $checkid;
my ($id,$newuser);
if (ref($usershash->{$user}) eq 'HASH') {
$newuser = $usershash->{$user}->{'newuser'};
$id = $usershash->{$user}->{'id'};
}
my $inst_response;
if (ref($checks) eq 'HASH') {	if (ref($checks) eq 'HASH') {
if (defined($checks->{'username'})) {	if ((!defined($checks->{'username'})) && (defined($checks->{'id'}))) {
($inst_response,%{$inst_results->{$user}}) =	$checkid = 1;
&Apache::lonnet::get_instuser($udom,$uname);	}
} elsif (defined($checks->{'id'})) {	}
($inst_response,%{$inst_results->{$user}}) =	foreach my $user (keys(%{$usershash})) {
&Apache::lonnet::get_instuser($udom,undef,$id);	my ($uname,$udom) = split(/:/,$user);
	if ($checkid) {
	if (ref($usershash->{$user}) eq 'HASH') {
	if ($usershash->{$user}->{'id'} ne '') {
	$by_id{$udom}{$usershash->{$user}->{'id'}} = $uname;
	$userdoms{$udom} = 1;
	if (ref($inst_results) eq 'HASH') {
	$inst_results->{$uname.':'.$udom} = {};
	}
	}
	}
	} else {
	$by_username{$udom}{$uname} = 1;
	$userdoms{$udom} = 1;
	if (ref($inst_results) eq 'HASH') {
	$inst_results->{$uname.':'.$udom} = {};
	}
	}
	}
	foreach my $udom (keys(%userdoms)) {
	if (!$got_rules->{$udom}) {
	my %domconfig = &Apache::lonnet::get_dom('configuration',
	['usercreation'],$udom);
	if (ref($domconfig{'usercreation'}) eq 'HASH') {
	foreach my $item ('username','id') {
	if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
	$$curr_rules{$udom}{$item} =
	$domconfig{'usercreation'}{$item.'_rule'};
	}
	}
	}
	$got_rules->{$udom} = 1;
	}
	}
	if ($checkid) {
	foreach my $udom (keys(%by_id)) {
	my ($outcome,$results) = &Apache::lonnet::get_multiple_instusers($udom,$by_id{$udom},'id');
	if ($outcome eq 'ok') {
	foreach my $id (keys(%{$by_id{$udom}})) {
	my $uname = $by_id{$udom}{$id};
	$inst_response{$uname.':'.$udom} = $outcome;
	}
	if (ref($results) eq 'HASH') {
	foreach my $uname (keys(%{$results})) {
	if (exists($inst_response{$uname.':'.$udom})) {
	$inst_response{$uname.':'.$udom} = $outcome;
	$inst_results->{$uname.':'.$udom} = $results->{$uname};
	}
	}
	}
	}
}	}
} else {	} else {
($inst_response,%{$inst_results->{$user}}) =	foreach my $udom (keys(%by_username)) {
&Apache::lonnet::get_instuser($udom,$uname);	my ($outcome,$results) = &Apache::lonnet::get_multiple_instusers($udom,$by_username{$udom});
return;	if ($outcome eq 'ok') {
	foreach my $uname (keys(%{$by_username{$udom}})) {
	$inst_response{$uname.':'.$udom} = $outcome;
	}
	if (ref($results) eq 'HASH') {
	foreach my $uname (keys(%{$results})) {
	$inst_results->{$uname.':'.$udom} = $results->{$uname};
	}
	}
	}
	}
}	}
if (!$got_rules->{$udom}) {	} elsif (keys(%{$usershash}) == 1) {
my %domconfig = &Apache::lonnet::get_dom('configuration',	my $user = (keys(%{$usershash}))[0];
['usercreation'],$udom);	my ($uname,$udom) = split(/:/,$user);
if (ref($domconfig{'usercreation'}) eq 'HASH') {	if (($udom ne '') && ($uname ne '')) {
foreach my $item ('username','id') {	if (ref($usershash->{$user}) eq 'HASH') {
if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {	if (ref($checks) eq 'HASH') {
$$curr_rules{$udom}{$item} =	if (defined($checks->{'username'})) {
$domconfig{'usercreation'}{$item.'_rule'};	($inst_response{$user},%{$inst_results->{$user}}) =
	&Apache::lonnet::get_instuser($udom,$uname);
	} elsif (defined($checks->{'id'})) {
	if ($usershash->{$user}->{'id'} ne '') {
	($inst_response{$user},%{$inst_results->{$user}}) =
	&Apache::lonnet::get_instuser($udom,undef,
	$usershash->{$user}->{'id'});
	} else {
	($inst_response{$user},%{$inst_results->{$user}}) =
	&Apache::lonnet::get_instuser($udom,$uname);
	}
}	}
	} else {
	($inst_response{$user},%{$inst_results->{$user}}) =
	&Apache::lonnet::get_instuser($udom,$uname);
	return;
	}
	if (!$got_rules->{$udom}) {
	my %domconfig = &Apache::lonnet::get_dom('configuration',
	['usercreation'],$udom);
	if (ref($domconfig{'usercreation'}) eq 'HASH') {
	foreach my $item ('username','id') {
	if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
	$$curr_rules{$udom}{$item} =
	$domconfig{'usercreation'}{$item.'_rule'};
	}
	}
	}
	$got_rules->{$udom} = 1;
}	}
}	}
$got_rules->{$udom} = 1;	} else {
	return;
	}
	} else {
	return;
	}
	foreach my $user (keys(%{$usershash})) {
	my ($uname,$udom) = split(/:/,$user);
	next if (($udom eq '') \|\| ($uname eq ''));
	my $id;
	if (ref($inst_results) eq 'HASH') {
	if (ref($inst_results->{$user}) eq 'HASH') {
	$id = $inst_results->{$user}->{'id'};
	}
	}
	if ($id eq '') {
	if (ref($usershash->{$user})) {
	$id = $usershash->{$user}->{'id'};
	}
}	}
foreach my $item (keys(%{$checks})) {	foreach my $item (keys(%{$checks})) {
if (ref($$curr_rules{$udom}) eq 'HASH') {	if (ref($$curr_rules{$udom}) eq 'HASH') {
if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {	if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
if (@{$$curr_rules{$udom}{$item}} > 0) {	if (@{$$curr_rules{$udom}{$item}} > 0) {
my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});	my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,
	$$curr_rules{$udom}{$item});
foreach my $rule (@{$$curr_rules{$udom}{$item}}) {	foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
if ($rule_check{$rule}) {	if ($rule_check{$rule}) {
$$rulematch{$user}{$item} = $rule;	$$rulematch{$user}{$item} = $rule;
if ($inst_response eq 'ok') {	if ($inst_response{$user} eq 'ok') {
if (ref($inst_results) eq 'HASH') {	if (ref($inst_results) eq 'HASH') {
if (ref($inst_results->{$user}) eq 'HASH') {	if (ref($inst_results->{$user}) eq 'HASH') {
if (keys(%{$inst_results->{$user}}) == 0) {	if (keys(%{$inst_results->{$user}}) == 0) {
$$alerts{$item}{$udom}{$uname} = 1;	$$alerts{$item}{$udom}{$uname} = 1;
	} elsif ($item eq 'id') {
	if ($inst_results->{$user}->{'id'} eq '') {
	$$alerts{$item}{$udom}{$uname} = 1;
	}
}	}
}	}
}	}
Line 9584 reservable_now - ref to hash of student_	Line 9874 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 9595 future_reservable - ref to hash of stude	Line 9887 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 9648 sub get_future_slots {	Line 9942 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 9656 sub get_future_slots {	Line 9954 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 => $uniqueperiod,
};	};
}	}
}	}
Line 9897 sub ask_for_embedded_content {	Line 10197 sub ask_for_embedded_content {
($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);	if ($toplevel=~/^\/*(uploaded\|editupload)/) {
	$fileloc = $toplevel;
	$fileloc=~ s/^\s(\S+)\s$/$1/;
	my ($udom,$uname,$fname) =
	($fileloc=~ m{^/+(?:uploaded\|editupload)/+($match_domain)/+($match_name)/+(.*)$});
	$fileloc = propath($udom,$uname).'/userfiles/'.$fname;
	} else {
	$fileloc = &Apache::lonnet::filelocation('',$toplevel);
	}
$fileloc =~ s{^/}{};	$fileloc =~ s{^/}{};
($filename) = ($fileloc =~ m{.+/([^/]+)$});	($filename) = ($fileloc =~ m{.+/([^/]+)$});
$heading = &mt('Status of dependencies in [_1]',"$title ($filename)");	$heading = &mt('Status of dependencies in [_1]',"$title ($filename)");
Line 11053 sub decompress_form {	Line 11361 sub decompress_form {
"$topdir/media/player.swf",	"$topdir/media/player.swf",
"$topdir/media/swfobject.js",	"$topdir/media/swfobject.js",
"$topdir/media/expressInstall.swf");	"$topdir/media/expressInstall.swf");
my @camtasia8 = ("$topdir/","$topdir/$topdir.html",	my @camtasia8_1 = ("$topdir/","$topdir/$topdir.html",
"$topdir/$topdir.mp4",	"$topdir/$topdir.mp4",
"$topdir/$topdir\_config.xml",	"$topdir/$topdir\_config.xml",
"$topdir/$topdir\_controller.swf",	"$topdir/$topdir\_controller.swf",
Line 11075 sub decompress_form {	Line 11383 sub decompress_form {
"$topdir/skins/express_show/",	"$topdir/skins/express_show/",
"$topdir/skins/express_show/player-min.css",	"$topdir/skins/express_show/player-min.css",
"$topdir/skins/express_show/spritesheet.png");	"$topdir/skins/express_show/spritesheet.png");
	my @camtasia8_4 = ("$topdir/","$topdir/$topdir.html",
	"$topdir/$topdir.mp4",
	"$topdir/$topdir\_config.xml",
	"$topdir/$topdir\_controller.swf",
	"$topdir/$topdir\_embed.css",
	"$topdir/$topdir\_First_Frame.png",
	"$topdir/$topdir\_player.html",
	"$topdir/$topdir\_Thumbnails.png",
	"$topdir/playerProductInstall.swf",
	"$topdir/scripts/",
	"$topdir/scripts/config_xml.js",
	"$topdir/scripts/techsmith-smart-player.min.js",
	"$topdir/skins/",
	"$topdir/skins/configuration_express.xml",
	"$topdir/skins/express_show/",
	"$topdir/skins/express_show/spritesheet.min.css",
	"$topdir/skins/express_show/spritesheet.png",
	"$topdir/skins/express_show/techsmith-smart-player.min.css");
my @diffs = &compare_arrays(\@paths,\@camtasia6);	my @diffs = &compare_arrays(\@paths,\@camtasia6);
if (@diffs == 0) {	if (@diffs == 0) {
$is_camtasia = 6;	$is_camtasia = 6;
} else {	} else {
@diffs = &compare_arrays(\@paths,\@camtasia8);	@diffs = &compare_arrays(\@paths,\@camtasia8_1);
if (@diffs == 0) {	if (@diffs == 0) {
$is_camtasia = 8;	$is_camtasia = 8;
	} else {
	@diffs = &compare_arrays(\@paths,\@camtasia8_4);
	if (@diffs == 0) {
	$is_camtasia = 8;
	}
}	}
}	}
}	}
Line 13893 sub check_clone {	Line 14224 sub check_clone {
(&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {	(&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
$can_clone = 1;	$can_clone = 1;
} else {	} else {
my %clonehash = &Apache::lonnet::get('environment',['cloners'],	my %clonehash = &Apache::lonnet::get('environment',['cloners','internal.coursecode'],
$args->{'clonedomain'},$args->{'clonecourse'});	$args->{'clonedomain'},$args->{'clonecourse'});
my @cloners = split(/,/,$clonehash{'cloners'});	if ($clonehash{'cloners'} eq '') {
if (grep(/^\*$/,@cloners)) {	my %domdefs = &Apache::lonnet::get_domain_defaults($args->{'course_domain'});
$can_clone = 1;	if ($domdefs{'canclone'}) {
} elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {	unless ($domdefs{'canclone'} eq 'none') {
$can_clone = 1;	if ($domdefs{'canclone'} eq 'domain') {
	if ($args->{'ccdomain'} eq $args->{'clonedomain'}) {
	$can_clone = 1;
	}
	} elsif (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) &&
	($args->{'clonedomain'} eq $args->{'course_domain'})) {
	if (&Apache::lonnet::default_instcode_cloning($args->{'clonedomain'},$domdefs{'canclone'},
	$clonehash{'internal.coursecode'},$args->{'crscode'})) {
	$can_clone = 1;
	}
	}
	}
	}
} else {	} else {
	my @cloners = split(/,/,$clonehash{'cloners'});
	if (grep(/^\*$/,@cloners)) {
	$can_clone = 1;
	} elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
	$can_clone = 1;
	} elsif (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners)) {
	$can_clone = 1;
	}
	unless ($can_clone) {
	if (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) &&
	($args->{'clonedomain'} eq $args->{'course_domain'})) {
	my (%gotdomdefaults,%gotcodedefaults);
	foreach my $cloner (@cloners) {
	if (($cloner ne '') && ($cloner !~ /^\\:$match_domain$/) &&
	($cloner !~ /^$match_username\:$match_domain$/) && ($cloner ne '')) {
	my (%codedefaults,@code_order);
	if (ref($gotcodedefaults{$args->{'clonedomain'}}) eq 'HASH') {
	if (ref($gotcodedefaults{$args->{'clonedomain'}}{'defaults'}) eq 'HASH') {
	%codedefaults = %{$gotcodedefaults{$args->{'clonedomain'}}{'defaults'}};
	}
	if (ref($gotcodedefaults{$args->{'clonedomain'}}{'order'}) eq 'ARRAY') {
	@code_order = @{$gotcodedefaults{$args->{'clonedomain'}}{'order'}};
	}
	} else {
	&Apache::lonnet::auto_instcode_defaults($args->{'clonedomain'},
	\%codedefaults,
	\@code_order);
	$gotcodedefaults{$args->{'clonedomain'}}{'defaults'} = \%codedefaults;
	$gotcodedefaults{$args->{'clonedomain'}}{'order'} = \@code_order;
	}
	if (@code_order > 0) {
	if (&Apache::lonnet::check_instcode_cloning(\%codedefaults,\@code_order,
	$cloner,$clonehash{'internal.coursecode'},
	$args->{'crscode'})) {
	$can_clone = 1;
	last;
	}
	}
	}
	}
	}
	}
	}
	unless ($can_clone) {
my $ccrole = 'cc';	my $ccrole = 'cc';
if ($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'}.':'.$ccrole}) \|\| (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {	if ($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) {
$can_clone = 1;	$can_clone = 1;
} elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {	} elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},
	$args->{'ccuname'},$args->{'ccdomain'})) {
$can_clone = 1;	$can_clone = 1;
	}
	}
	unless ($can_clone) {
	if ($args->{'crstype'} eq 'Community') {
	$clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
} else {	} else {
if ($args->{'crstype'} eq 'Community') {	$clonemsg = &mt('No new course created.').$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'});
$clonemsg = &mt('No new community created.').$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 {
$clonemsg = &mt('No new course created.').$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'},$clonedesc{'description'});
}
}	}
}	}
}	}
Line 14448 sub escape_url {	Line 14837 sub escape_url {
my ($url) = @_;	my ($url) = @_;
my @urlslices = split(/\//, $url,-1);	my @urlslices = split(/\//, $url,-1);
my $lastitem = &escape(pop(@urlslices));	my $lastitem = &escape(pop(@urlslices));
return join('/',@urlslices).'/'.$lastitem;	return &HTML::Entities::encode(join('/',@urlslices),"'").'/'.$lastitem;
}	}

sub compare_arrays {	sub compare_arrays {
Line 14506 sub init_user_environment {	Line 14895 sub init_user_environment {
}	}
}	}
closedir(DIR);	closedir(DIR);
	# If there is a undeleted lockfile for the user's paste buffer remove it.
	my $namespace = 'nohist_courseeditor';
	my $lockingkey = 'paste'."\0".'locked_num';
	my %lockhash = &Apache::lonnet::get($namespace,[$lockingkey],
	$domain,$username);
	if (exists($lockhash{$lockingkey})) {
	my $delresult = &Apache::lonnet::del($namespace,[$lockingkey],$domain,$username);
	unless ($delresult eq 'ok') {
	&Apache::lonnet::logthis("Failed to delete paste buffer locking key in $namespace for ".$username.":".$domain." Result was: $delresult");
	}
	}
}	}
# Give them a new cookie	# Give them a new cookie
my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}	my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
Line 14519 sub init_user_environment {	Line 14919 sub init_user_environment {
}	}
# ------------------------------------ Check browser type and MathML capability	# ------------------------------------ Check browser type and MathML capability

my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,	my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,$clientunicode,
$clientunicode,$clientos,$clientmobile,$clientinfo) = &decode_user_agent($r);	$clientos,$clientmobile,$clientinfo,$clientosversion) = &decode_user_agent($r);

# ------------------------------------------------------------- Get environment	# ------------------------------------------------------------- Get environment

Line 14553 sub init_user_environment {	Line 14953 sub init_user_environment {
"browser.os" => $clientos,	"browser.os" => $clientos,
"browser.mobile" => $clientmobile,	"browser.mobile" => $clientmobile,
"browser.info" => $clientinfo,	"browser.info" => $clientinfo,
	"browser.osversion" => $clientosversion,
"server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},	"server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
"request.course.fn" => '',	"request.course.fn" => '',
"request.course.uri" => '',	"request.course.uri" => '',
Line 14923 sub build_filters {	Line 15324 sub build_filters {
$output .= '<input type="hidden" name="phase" value="courselist" />'."\n".	$output .= '<input type="hidden" name="phase" value="courselist" />'."\n".
'<input type="hidden" name="prevphase" value="'.	'<input type="hidden" name="prevphase" value="'.
$prevphase.'" />'."\n";	$prevphase.'" />'."\n";
} elsif ($formname ne 'quotacheck') {	} elsif ($formname eq 'quotacheck') {
	$output .= qq\|
	<input type="hidden" name="sortby" value="" />
	<input type="hidden" name="sortorder" value="" />
	\|;
	} else {
my $name_input;	my $name_input;
if ($cnameelement ne '') {	if ($cnameelement ne '') {
$name_input = '<input type="hidden" name="cnameelement" value="'.	$name_input = '<input type="hidden" name="cnameelement" value="'.
Line 15116 cloneruname - optional username of new c	Line 15522 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).

	cc_clone - escaped comma separated list of courses for which course cloner has active CC role
	(and so can clone automatically)

	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
	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 15131 Side Effects: None	Line 15544 Side Effects: None


sub search_courses {	sub search_courses {
my ($dom,$type,$filter,$numtitles,$cloneruname,$clonerudom,$domcloner,$codetitles) = @_;	my ($dom,$type,$filter,$numtitles,$cloneruname,$clonerudom,$domcloner,$codetitles,
	$cc_clone,$reqcrsdom,$reqinstcode) = @_;
my (%courses,%showcourses,$cloner);	my (%courses,%showcourses,$cloner);
if (($filter->{'ownerfilter'} ne '') \|\|	if (($filter->{'ownerfilter'} ne '') \|\|
($filter->{'ownerdomfilter'} ne '')) {	($filter->{'ownerdomfilter'} ne '')) {
Line 15179 sub search_courses {	Line 15593 sub search_courses {
$filter->{'combownerfilter'},	$filter->{'combownerfilter'},
$filter->{'coursefilter'},	$filter->{'coursefilter'},
undef,undef,$type,$regexpok,undef,undef,	undef,undef,$type,$regexpok,undef,undef,
undef,undef,$cloner,$env{'form.cc_clone'},	undef,undef,$cloner,$cc_clone,
$filter->{'cloneableonly'},	$filter->{'cloneableonly'},
$createdbefore,$createdafter,undef,	$createdbefore,$createdafter,undef,
$domcloner);	$domcloner,undef,$reqcrsdom,$reqinstcode);
if (($filter->{'personfilter'} ne '') && ($filter->{'persondomfilter'} ne '')) {	if (($filter->{'personfilter'} ne '') && ($filter->{'persondomfilter'} ne '')) {
my $ccrole;	my $ccrole;
if ($type eq 'Community') {	if ($type eq 'Community') {
Line 15216 sub search_courses {	Line 15630 sub search_courses {
return %courses;	return %courses;
}	}


=pod	=pod

=back	=back

	=head1 Routines for version requirements for current course.

	=over 4

	=item * &check_release_required()

	Compares required LON-CAPA version with version on server, and
	if required version is newer looks for a server with the required version.

	Looks first at servers in user's owen domain; if none suitable, looks at
	servers in course's domain are permitted to host sessions for user's domain.

	Inputs:

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

	$courseid - Course ID of current course

	$rolecode - User's current role in course (for switchserver query string).

	$required - LON-CAPA version needed by course (format: Major.Minor).


	Returns:

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

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

=cut	=cut

	sub check_release_required {
	my ($loncaparev,$courseid,$rolecode,$required) = @_;
	my ($switchserver,$warning);
	if ($required ne '') {
	my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
	my ($major,$minor) = ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
	if ($reqdmajor ne '' && $reqdminor ne '') {
	my $otherserver;
	if (($major eq '' && $minor eq '') \|\|
	(($reqdmajor > $major) \|\| (($reqdmajor == $major) && ($reqdminor > $minor)))) {
	my ($userdomserver) = &Apache::lonnet::choose_server($env{'user.domain'},undef,$required,1);
	my $switchlcrev =
	&Apache::lonnet::get_server_loncaparev($env{'user.domain'},
	$userdomserver);
	my ($swmajor,$swminor) = ($switchlcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
	if (($swmajor eq '' && $swminor eq '') \|\| ($reqdmajor > $swmajor) \|\|
	(($reqdmajor == $swmajor) && ($reqdminor > $swminor))) {
	my $cdom = $env{'course.'.$courseid.'.domain'};
	if ($cdom ne $env{'user.domain'}) {
	my ($coursedomserver,$coursehostname) = &Apache::lonnet::choose_server($cdom,undef,$required,1);
	my $serverhomeID = &Apache::lonnet::get_server_homeID($coursehostname);
	my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
	my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
	my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'});
	my $remoterev = &Apache::lonnet::get_server_loncaparev($serverhomedom,$coursedomserver);
	my $canhost =
	&Apache::lonnet::can_host_session($env{'user.domain'},
	$coursedomserver,
	$remoterev,
	$udomdefaults{'remotesessions'},
	$defdomdefaults{'hostedsessions'});

sub build_release_hashes {	if ($canhost) {
my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;	$otherserver = $coursedomserver;
return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&	} else {
(ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&	$warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).'<br />'. &mt("No suitable server could be found amongst servers in either your own domain or in the course's domain.");
(ref($randomizetry) eq 'HASH'));	}
foreach my $key (keys(%Apache::lonnet::needsrelease)) {	} else {
my ($item,$name,$value) = split(/:/,$key);	$warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).'<br />'.&mt("No suitable server could be found amongst servers in your own domain (which is also the course's domain).");
if ($item eq 'parameter') {	}
if (ref($checkparms->{$name}) eq 'ARRAY') {	} else {
unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {	$otherserver = $userdomserver;
push(@{$checkparms->{$name}},$value);
}	}
} else {
push(@{$checkparms->{$name}},$value);
}	}
} elsif ($item eq 'resourcetag') {	if ($otherserver ne '') {
if ($name eq 'responsetype') {	$switchserver = 'otherserver='.$otherserver.'&role='.$rolecode;
$checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
}	}
} elsif ($item eq 'course') {	}
if ($name eq 'crstype') {	}
$checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};	return ($switchserver,$warning);
	}

	=pod

	=item * &check_release_result()

	Inputs:

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

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

	Returns: HTML to display with information about requirement to switch server.
	Either displaying warning with link to Roles/Courses screen or
	display link to switchserver.

	=cut

	sub check_release_result {
	my ($switchwarning,$switchserver) = @_;
	my $output = &start_page('Selected course unavailable on this server').
	'<p class="LC_warning">';
	if ($switchwarning) {
	$output .= $switchwarning.'<br /><a href="/adm/roles">';
	if (&show_course()) {
	$output .= &mt('Display courses');
	} else {
	$output .= &mt('Display roles');
	}
	$output .= '</a>';
	} elsif ($switchserver) {
	$output .= &mt('This course requires a newer version of LON-CAPA than is installed on this server.').
	'<br />'.
	'<a href="/adm/switchserver?'.$switchserver.'">'.
	&mt('Switch Server').
	'</a>';
	}
	$output .= '</p>'.&end_page();
	return $output;
	}

	=pod

	=item * &needs_coursereinit()

	Determine if course contents stored for user's session needs to be
	refreshed, because content has changed since "Big Hash" last tied.

	Check for change is made if time last checked is more than 10 minutes ago
	(by default).

	Inputs:

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

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

	Returns: an array; first element is:

	=over 4

	'switch' - if content updates mean user's session
	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)
	on current server hosting user's session

	'' - if no action required.

	=back

	If first item element is 'switch':

	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
	and current role.

	otherwise: no other elements returned.

	=back

	=cut

	sub needs_coursereinit {
	my ($loncaparev,$interval) = @_;
	return() unless ($env{'request.course.id'} && $env{'request.course.tied'});
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $now = time;
	if ($interval eq '') {
	$interval = 600;
	}
	if (($now-$env{'request.course.timechecked'})>$interval) {
	my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum);
	&Apache::lonnet::appenv({'request.course.timechecked'=>$now});
	if ($lastchange > $env{'request.course.tied'}) {
	my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
	if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
	my $required = $env{'course.'.$cdom.'_'.$cnum.'.internal.releaserequired'};
	if ($curr_reqd_hash{'internal.releaserequired'} ne $required) {
	&Apache::lonnet::appenv({'course.'.$cdom.'_'.$cnum.'.internal.releaserequired' =>
	$curr_reqd_hash{'internal.releaserequired'}});
	my ($switchserver,$switchwarning) =
	&check_release_required($loncaparev,$cdom.'_'.$cnum,$env{'request.role'},
	$curr_reqd_hash{'internal.releaserequired'});
	if ($switchwarning ne '' \|\| $switchserver ne '') {
	return ('switch',$switchwarning,$switchserver);
	}
	}
}	}
	return ('update');
}	}
}	}
($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});	return ();
($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
return;
}	}

sub update_content_constraints {	sub update_content_constraints {
Line 15435 sub symb_to_docspath {	Line 16016 sub symb_to_docspath {
sub captcha_display {	sub captcha_display {
my ($context,$lonhost) = @_;	my ($context,$lonhost) = @_;
my ($output,$error);	my ($output,$error);
my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);	my ($captcha,$pubkey,$privkey,$version) =
	&get_captcha_config($context,$lonhost);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
$output = &create_captcha();	$output = &create_captcha();
unless ($output) {	unless ($output) {
$error = 'captcha';	$error = 'captcha';
}	}
} elsif ($captcha eq 'recaptcha') {	} elsif ($captcha eq 'recaptcha') {
$output = &create_recaptcha($pubkey);	$output = &create_recaptcha($pubkey,$version);
unless ($output) {	unless ($output) {
$error = 'recaptcha';	$error = 'recaptcha';
}	}
}	}
return ($output,$error,$captcha);	return ($output,$error,$captcha,$version);
}	}

sub captcha_response {	sub captcha_response {
my ($context,$lonhost) = @_;	my ($context,$lonhost) = @_;
my ($captcha_chk,$captcha_error);	my ($captcha_chk,$captcha_error);
my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);	my ($captcha,$pubkey,$privkey.$version) = &get_captcha_config($context,$lonhost);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
($captcha_chk,$captcha_error) = &check_captcha();	($captcha_chk,$captcha_error) = &check_captcha();
} elsif ($captcha eq 'recaptcha') {	} elsif ($captcha eq 'recaptcha') {
$captcha_chk = &check_recaptcha($privkey);	$captcha_chk = &check_recaptcha($privkey,$version);
} else {	} else {
$captcha_chk = 1;	$captcha_chk = 1;
}	}
Line 15466 sub captcha_response {	Line 16048 sub captcha_response {

sub get_captcha_config {	sub get_captcha_config {
my ($context,$lonhost) = @_;	my ($context,$lonhost) = @_;
my ($captcha,$pubkey,$privkey,$hashtocheck);	my ($captcha,$pubkey,$privkey,$version,$hashtocheck);
my $hostname = &Apache::lonnet::hostname($lonhost);	my $hostname = &Apache::lonnet::hostname($lonhost);
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);	my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);	my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
Line 15482 sub get_captcha_config {	Line 16064 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 15499 sub get_captcha_config {	Line 16085 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';
}	}
Line 15506 sub get_captcha_config {	Line 16096 sub get_captcha_config {
$captcha = 'original';	$captcha = 'original';
}	}
}	}
return ($captcha,$pubkey,$privkey);	return ($captcha,$pubkey,$privkey,$version);
}	}

sub create_captcha {	sub create_captcha {
Line 15565 sub check_captcha {	Line 16155 sub check_captcha {
}	}

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

sub check_recaptcha {	sub check_recaptcha {
my ($privkey) = @_;	my ($privkey,$version) = @_;
my $captcha_chk;	my $captcha_chk;
my $captcha = Captcha::reCAPTCHA->new;	if ($version >= 2) {
my $captcha_result =	my $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 => $ENV{'REMOTE_ADDR'},
);	);
if ($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,
	$ENV{'REMOTE_ADDR'},
	$env{'form.recaptcha_challenge_field'},
	$env{'form.recaptcha_response_field'},
	);
	if ($captcha_result->{is_valid}) {
	$captcha_chk = 1;
	}
}	}
return $captcha_chk;	return $captcha_chk;
}	}

sub emailusername_info {	sub emailusername_info {
my @fields = ('firstname','lastname','institution','web','location','officialemail');	my @fields = ('firstname','lastname','institution','web','location','officialemail','id');
my %titles = &Apache::lonlocal::texthash (	my %titles = &Apache::lonlocal::texthash (
lastname => 'Last Name',	lastname => 'Last Name',
firstname => 'First Name',	firstname => 'First Name',
Line 15604 sub emailusername_info {	Line 16217 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 15630 sub cleanup_html {	Line 16244 sub cleanup_html {
return $outgoing;	return $outgoing;
}	}

	# Checks for critical messages and returns a redirect url if one exists.
	# $interval indicates how often to check for messages.
	sub critical_redirect {
	my ($interval) = @_;
	if ((time-$env{'user.criticalcheck.time'})>$interval) {
	my @what=&Apache::lonnet::dump('critical', $env{'user.domain'},
	$env{'user.name'});
	&Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
	my $redirecturl;
	if ($what[0]) {
	if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
	$redirecturl='/adm/email?critical=display';
	my $url=&Apache::lonnet::absolute_url().$redirecturl;
	return (1, $url);
	}
	}
	}
	return ();
	}

# Use:	# Use:
# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);	# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
#	#
Line 15664 sub des_decrypt {	Line 16298 sub des_decrypt {
} else {	} else {
$cypher=new DES $keybin;	$cypher=new DES $keybin;
}	}
my $plaintext=	my $plaintext='';
$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));	my $cypherlength = length($cyphertext);
$plaintext.=	my $numchunks = int($cypherlength/32);
$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));	for (my $j=0; $j<$numchunks; $j++) {
$plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );	my $start = $j*32;
	my $cypherblock = substr($cyphertext,$start,32);
	my $chunk =
	$cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,0,16))));
	$chunk .=
	$cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,16,16))));
	$chunk=substr($chunk,1,ord(substr($chunk,0,1)) );
	$plaintext .= $chunk;
	}
return $plaintext;	return $plaintext;
}	}

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

Removed from v.1.1075.2.73
changed lines
	Added in v.1.1075.2.107