loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.1320 and 1.1366

version 1.1320, 2018/07/04 16:58:22	version 1.1366, 2021/09/21 22:54:26
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 LONCAPA::LWPReq;	use LONCAPA::LWPReq;
	use HTTP::Request;
use DateTime::TimeZone;	use DateTime::TimeZone;
use DateTime::Locale;	use DateTime::Locale;
use Encode();	use Encode();
Line 79 use Text::Aspell;	Line 80 use Text::Aspell;
use Authen::Captcha;	use Authen::Captcha;
use Captcha::reCAPTCHA;	use Captcha::reCAPTCHA;
use JSON::DWIW;	use JSON::DWIW;
use LWP::UserAgent;
use Crypt::DES;	use Crypt::DES;
use DynaLoader; # for Crypt::DES version	use DynaLoader; # for Crypt::DES version
use MIME::Lite;	use MIME::Lite;
Line 435 sub studentbrowser_javascript {	Line 435 sub studentbrowser_javascript {
<script type="text/javascript" language="Javascript">	<script type="text/javascript" language="Javascript">
// <![CDATA[	// <![CDATA[
var stdeditbrowser;	var stdeditbrowser;
function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadvonly) {	function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadv) {
var url = '/adm/pickstudent?';	var url = '/adm/pickstudent?';
var filter;	var filter;
if (!ignorefilter) {	if (!ignorefilter) {
Line 450 sub studentbrowser_javascript {	Line 450 sub studentbrowser_javascript {
'&udomelement='+udom+	'&udomelement='+udom+
'&clicker='+clicker;	'&clicker='+clicker;
if (roleflag) { url+="&roles=1"; }	if (roleflag) { url+="&roles=1"; }
if (courseadvonly) { url+="&courseadvonly=1"; }	if (courseadv == 'condition') {
	if (document.getElementById('courseadv')) {
	courseadv = document.getElementById('courseadv').value;
	}
	}
	if ((courseadv == 'only') \|\| (courseadv == 'none')) { url+="&courseadv="+courseadv; }
var title = 'Student_Browser';	var title = 'Student_Browser';
var options = 'scrollbars=1,resizable=1,menubar=0';	var options = 'scrollbars=1,resizable=1,menubar=0';
options += ',width=700,height=600';	options += ',width=700,height=600';
Line 482 ENDRESBRW	Line 487 ENDRESBRW
}	}

sub selectstudent_link {	sub selectstudent_link {
my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;	my ($form,$unameele,$udomele,$courseadv,$clickerid)=@_;
my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".	my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
&Apache::lonhtmlcommon::entity_encode($unameele)."','".	&Apache::lonhtmlcommon::entity_encode($unameele)."','".
&Apache::lonhtmlcommon::entity_encode($udomele)."'";	&Apache::lonhtmlcommon::entity_encode($udomele)."'";
Line 493 sub selectstudent_link {	Line 498 sub selectstudent_link {
return '';	return '';
}	}
$callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";	$callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
if ($courseadvonly) {	if ($courseadv eq 'only') {
$callargs .= ",'',1,1";	$callargs .= ",'',1,'$courseadv'";
	} elsif ($courseadv eq 'none') {
	$callargs .= ",'','','$courseadv'";
	} elsif ($courseadv eq 'condition') {
	$callargs .= ",'','','$courseadv'";
}	}
return '<span class="LC_nobreak">'.	return '<span class="LC_nobreak">'.
'<a href="javascript:openstdbrowser('.$callargs.');">'.	'<a href="javascript:openstdbrowser('.$callargs.');">'.
Line 3566 sub get_assignable_auth {	Line 3575 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 4811 sub get_student_view_with_retries {	Line 4893 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 5066 sub findallcourses {	Line 5201 sub findallcourses {
###############################################	###############################################

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

if (defined($udom) && defined($uname)) {	if (defined($udom) && defined($uname)) {
# If uname and udom are for a course, check for blocks in the course.	# If uname and udom are for a course, check for blocks in the course.
if (($is_course) \|\| (&Apache::lonnet::is_course($udom,$uname))) {	if (($is_course) \|\| (&Apache::lonnet::is_course($udom,$uname))) {
my ($startblock,$endblock,$triggerblock) =	my ($startblock,$endblock,$triggerblock) =
&get_blocks($setters,$activity,$udom,$uname,$url);	&get_blocks($setters,$activity,$udom,$uname,$url,$symb,$caller);
return ($startblock,$endblock,$triggerblock);	return ($startblock,$endblock,$triggerblock);
}	}
} else {	} else {
Line 5090 sub blockcheck {	Line 5225 sub blockcheck {

if (($activity eq 'boards' \|\| $activity eq 'chat' \|\|	if (($activity eq 'boards' \|\| $activity eq 'chat' \|\|
$activity eq 'groups' \|\| $activity eq 'printout' \|\|	$activity eq 'groups' \|\| $activity eq 'printout' \|\|
$activity eq 'reinit' \|\| $activity eq 'alert') &&	$activity eq 'search' \|\| $activity eq 'reinit' \|\|
	$activity eq 'alert') &&
($env{'request.course.id'})) {	($env{'request.course.id'})) {
foreach my $key (keys(%live_courses)) {	foreach my $key (keys(%live_courses)) {
if ($key ne $env{'request.course.id'}) {	if ($key ne $env{'request.course.id'}) {
Line 5200 sub blockcheck {	Line 5336 sub blockcheck {
# of specified user, unless user has 'evb' privilege.	# of specified user, unless user has 'evb' privilege.

my ($start,$end,$trigger) =	my ($start,$end,$trigger) =
&get_blocks($setters,$activity,$cdom,$cnum,$url);	&get_blocks($setters,$activity,$cdom,$cnum,$url,$symb,$caller);
if (($start != 0) &&	if (($start != 0) &&
(($startblock == 0) \|\| ($startblock > $start))) {	(($startblock == 0) \|\| ($startblock > $start))) {
$startblock = $start;	$startblock = $start;
Line 5220 sub blockcheck {	Line 5356 sub blockcheck {
}	}

sub get_blocks {	sub get_blocks {
my ($setters,$activity,$cdom,$cnum,$url) = @_;	my ($setters,$activity,$cdom,$cnum,$url,$symb,$caller) = @_;
my $startblock = 0;	my $startblock = 0;
my $endblock = 0;	my $endblock = 0;
my $triggerblock = '';	my $triggerblock = '';
Line 5233 sub get_blocks {	Line 5369 sub get_blocks {
my $now = time;	my $now = time;
my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);	my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);
if ($activity eq 'docs') {	if ($activity eq 'docs') {
@blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks);	my ($blocked,$nosymbcache,$noenccheck);
	if (($caller eq 'blockedaccess') \|\| ($caller eq 'blockingstatus')) {
	$blocked = 1;
	$nosymbcache = 1;
	$noenccheck = 1;
	}
	@blockers = &Apache::lonnet::has_comm_blocking('bre',$symb,$url,$nosymbcache,$noenccheck,$blocked,\%commblocks);
foreach my $block (@blockers) {	foreach my $block (@blockers) {
if ($block =~ /^firstaccess____(.+)$/) {	if ($block =~ /^firstaccess____(.+)$/) {
my $item = $1;	my $item = $1;
Line 5361 sub parse_block_record {	Line 5503 sub parse_block_record {
}	}

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

# check for active blocking	# check for active blocking
my ($startblock,$endblock,$triggerblock) =	my ($startblock,$endblock,$triggerblock) =
&blockcheck(\%setters,$activity,$uname,$udom,$url,$is_course);	&blockcheck(\%setters,$activity,$uname,$udom,$url,$is_course,$symb,$caller);
my $blocked = 0;	my $blocked = 0;
if ($startblock && $endblock) {	if ($startblock && $endblock) {
$blocked = 1;	$blocked = 1;
Line 5377 sub blocking_status {	Line 5519 sub blocking_status {

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

my $output .= <<'END_MYBLOCK';	my $output .= <<'END_MYBLOCK';
Line 5407 END_MYBLOCK	Line 5554 END_MYBLOCK
$text = &mt('Printing Blocked');	$text = &mt('Printing Blocked');
} elsif ($activity eq 'passwd') {	} elsif ($activity eq 'passwd') {
$text = &mt('Password Changing Blocked');	$text = &mt('Password Changing Blocked');
	} elsif ($activity eq 'grades') {
	$text = &mt('Gradebook Blocked');
	} elsif ($activity eq 'search') {
	$text = &mt('Search Blocked');
} elsif ($activity eq 'alert') {	} elsif ($activity eq 'alert') {
$text = &mt('Checking Critical Messages Blocked');	$text = &mt('Checking Critical Messages Blocked');
} elsif ($activity eq 'reinit') {	} elsif ($activity eq 'reinit') {
$text = &mt('Checking Course Update Blocked');	$text = &mt('Checking Course Update Blocked');
	} elsif ($activity eq 'about') {
	$text = &mt('Access to User Information Pages Blocked');
}	}
$output .= <<"END_BLOCK";	$output .= <<"END_BLOCK";
<div class='$class'>	<div class='$class'>
Line 5434 sub check_ip_acc {	Line 5587 sub check_ip_acc {
if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {	if (!defined($acc) \|\| $acc =~ /^\s$/ \|\| $acc =~/^\sno\s*$/i) {
return 1;	return 1;
}	}
my $allowed;	my ($ip,$allowed);
my $ip=$ENV{'REMOTE_ADDR'} \|\| $clientip \|\| $env{'request.host'};	if (($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 $name;
my %access = (	my %access = (
Line 5586 sub get_domainconf {	Line 5745 sub get_domainconf {
}	}
}	}
}	}
	} elsif ($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 5956 other decorations will be returned.	Line 6126 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,$args,$advtoolsref,$ltiscope,$ltiuri,$ltimenu)=@_;	$no_nav_bar,$bgcolor,$args,$advtoolsref,$ltiscope,$ltiuri,
	$ltimenu,$menucoll,$menuref)=@_;

my $public;	my $public;
if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))	if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
Line 5985 sub bodytag {	Line 6156 sub bodytag {
if ($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+)$}) {	} elsif ($role =~ m{^cr/($match_domain)/\1-domainconfig/(\w+)$}) {
Line 6002 sub bodytag {	Line 6185 sub bodytag {
} else {	} else {
$role = (split(/\//,$role,4))[-1];	$role = (split(/\//,$role,4))[-1];
}	}
if ($env{'request.course.sec'}) {	if ($sec) {
$role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};	$role .= (' 'x2).'- '.&mt('section:').' '.$sec;
}	}
$realm = $env{'course.'.$env{'request.course.id'}.'.description'};	$realm = $env{'course.'.$cid.'.description'};
} else {	} else {
$role = &Apache::lonnet::plaintext($role);	$role = &Apache::lonnet::plaintext($role);
}	}
Line 6028 sub bodytag {	Line 6211 sub bodytag {
undef($role);	undef($role);
}	}

if (($env{'request.course.id'}) && ($env{'request.lti.login'})) {	my $showcrstitle = 1;
	if (($cid) && ($env{'request.lti.login'})) {
if (ref($ltimenu) eq 'HASH') {	if (ref($ltimenu) eq 'HASH') {
unless ($ltimenu->{'role'}) {	unless ($ltimenu->{'role'}) {
undef($role);	undef($role);
}	}
unless ($ltimenu->{'coursetitle'}) {	unless ($ltimenu->{'coursetitle'}) {
$realm=' ';	$realm=' ';
	$showcrstitle = 0;
	}
	}
	} elsif (($cid) && ($menucoll)) {
	if (ref($menuref) eq 'HASH') {
	unless ($menuref->{'role'}) {
	undef($role);
	}
	unless ($menuref->{'crs'}) {
	$realm=' ';
	$showcrstitle = 0;
}	}
}	}
}	}
Line 6043 sub bodytag {	Line 6238 sub bodytag {
#	#
# Extra info if you are the DC	# Extra info if you are the DC
my $dc_info = '';	my $dc_info = '';
if ($env{'user.adv'} && exists($env{'user.role.dc./'.	if (($env{'user.adv'}) && ($env{'request.course.id'}) && $showcrstitle &&
$env{'course.'.$env{'request.course.id'}.	(exists($env{'user.role.dc./'.$env{'course.'.$cid.'.domain'}.'/'}))) {
'.domain'}.'/'})) {
my $cid = $env{'request.course.id'};
$dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};	$dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
$dc_info =~ s/\s+$//;	$dc_info =~ s/\s+$//;
}	}

my $crstype;	my $crstype;
if ($env{'request.course.id'}) {	if ($cid) {
$crstype = $env{'course.'.$env{'request.course.id'}.'.type'};	$crstype = $env{'course.'.$cid.'.type'};
} elsif ($args->{'crstype'}) {	} elsif ($args->{'crstype'}) {
$crstype = $args->{'crstype'};	$crstype = $args->{'crstype'};
}	}
Line 6073 sub bodytag {	Line 6266 sub bodytag {
Apache::lonmenu::utilityfunctions($httphost), 'start');	Apache::lonmenu::utilityfunctions($httphost), 'start');

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

if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {	if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
if ($dc_info) {	if ($dc_info) {
Line 6104 sub bodytag {	Line 6297 sub bodytag {
if (!$public){	if (!$public){
unless ($args->{'no_inline_menu'}) {	unless ($args->{'no_inline_menu'}) {
$bodytag .= Apache::lonmenu::secondary_menu($httphost,$ltiscope,$ltimenu,	$bodytag .= Apache::lonmenu::secondary_menu($httphost,$ltiscope,$ltimenu,
$args->{'no_primary_menu'});	$args->{'no_primary_menu'},
	$menucoll,$menuref);
}	}
$bodytag .= Apache::lonmenu::serverform();	$bodytag .= Apache::lonmenu::serverform();
$bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');	$bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
Line 7184 table.LC_prior_tries td {	Line 7378 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 8180 ul.LC_funclist li {	Line 8375 ul.LC_funclist li {
cursor:pointer;	cursor:pointer;
}	}

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

/*	/*
styles used for response display	styles used for response display
*/	*/
Line 8430 ADDMETA	Line 8633 ADDMETA
my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};	my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};
unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {	unless (&Apache::lonnet::allowed('mau',$dom_in_use)) {
my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);	my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use);
	my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
	my ($offload,$offloadoth);
if (ref($domdefs{'offloadnow'}) eq 'HASH') {	if (ref($domdefs{'offloadnow'}) eq 'HASH') {
my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
if ($domdefs{'offloadnow'}{$lonhost}) {	if ($domdefs{'offloadnow'}{$lonhost}) {
my $newserver = &Apache::lonnet::spareserver(30000,undef,1,$dom_in_use);	$offload = 1;
if (($newserver) && ($newserver ne $lonhost)) {	if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) &&
my $numsec = 5;	(!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) {
my $timeout = $numsec * 1000;	unless (&Apache::lonnet::shared_institution($env{'user.domain'})) {
my ($newurl,$locknum,%locks,$msg);	$offloadoth = 1;
if ($env{'request.role.adv'}) {	$dom_in_use = $env{'user.domain'};
($locknum,%locks) = &Apache::lonnet::get_locks();
}	}
my $disable_submit = 0;	}
if ($requrl =~ /$LONCAPA::assess_re/) {	}
$disable_submit = 1;	}
	unless ($offload) {
	if (ref($domdefs{'offloadoth'}) eq 'HASH') {
	if ($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));	}
$msg = &mt('Once the following tasks are complete: ')."\\n".	}
join(", ",sort(values(%locks)))."\\n".	if ($offload) {
&mt('your session will be transferred to a different server, after you click "Roles".');	my $newserver = &Apache::lonnet::spareserver(undef,30000,undef,1,$dom_in_use);
	if (($newserver eq '') && ($offloadoth)) {
	my @domains = &Apache::lonnet::current_machine_domains();
	if (($dom_in_use ne '') && (!grep(/^\Q$dom_in_use\E$/,@domains))) {
	($newserver) = &Apache::lonnet::choose_server($dom_in_use);
	}
	}
	if (($newserver) && ($newserver ne $lonhost)) {
	my $numsec = 5;
	my $timeout = $numsec * 1000;
	my ($newurl,$locknum,%locks,$msg);
	if ($env{'request.role.adv'}) {
	($locknum,%locks) = &Apache::lonnet::get_locks();
	}
	my $disable_submit = 0;
	if ($requrl =~ /$LONCAPA::assess_re/) {
	$disable_submit = 1;
	}
	if ($locknum) {
	my @lockinfo = sort(values(%locks));
	$msg = &mt('Once the following tasks are complete:')." \n".
	join(", ",sort(values(%locks)))."\n";
	if (&show_course()) {
	$msg .= &mt('your session will be transferred to a different server, after you click "Courses".');
} else {	} else {
if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {	$msg .= &mt('your session will be transferred to a different server, after you click "Roles".');
$msg = &mt('Your LON-CAPA submission has been recorded')."\\n";	}
}	} else {
$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);	if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) {
$newurl = '/adm/switchserver?otherserver='.$newserver;	$msg = &mt('Your LON-CAPA submission has been recorded')."\n";
if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {	}
$newurl .= '&role='.$env{'request.role'};	$msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec);
	$newurl = '/adm/switchserver?otherserver='.$newserver;
	if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) {
	$newurl .= '&role='.$env{'request.role'};
	}
	if ($env{'request.symb'}) {
	my $shownsymb = &Apache::lonenc::check_encrypt($env{'request.symb'});
	if ($shownsymb =~ m{^/enc/}) {
	my $reqdmajor = 2;
	my $reqdminor = 11;
	my $reqdsubminor = 3;
	my $newserverrev = &Apache::lonnet::get_server_loncaparev('',$newserver);
	my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$newserver);
	my ($major,$minor,$subminor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.(\d+\|)[\w.\-]+\'?$/);
	if (($major eq '' && $minor eq '') \|\|
	(($reqdmajor > $major) \|\| (($reqdmajor == $major) && ($reqdminor > $minor)) \|\|
	(($reqdmajor == $major) && ($reqdminor == $minor) && (($subminor eq '') \|\|
	($reqdsubminor > $subminor))))) {
	undef($shownsymb);
	}
}	}
if ($env{'request.symb'}) {	if ($shownsymb) {
$newurl .= '&symb='.$env{'request.symb'};	&js_escape(\$shownsymb);
} else {	$newurl .= '&symb='.$shownsymb;
$newurl .= '&origurl='.$requrl;
}	}
	} else {
	my $shownurl = &Apache::lonenc::check_encrypt($requrl);
	&js_escape(\$shownurl);
	$newurl .= '&origurl='.$shownurl;
}	}
&js_escape(\$msg);	}
$result.=<<OFFLOAD	&js_escape(\$msg);
	$result.=<<OFFLOAD
<meta http-equiv="pragma" content="no-cache" />	<meta http-equiv="pragma" content="no-cache" />
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 8487 function LC_Offload_Now() {	Line 8746 function LC_Offload_Now() {
// ]]>	// ]]>
</script>	</script>
OFFLOAD	OFFLOAD
}
}	}
}	}
}	}
Line 8717 sub start_page {	Line 8975 sub start_page {
#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));	#&Apache::lonnet::logthis("start_page ".join(':',caller(0)));

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

if (! exists($args->{'skip_phases'}{'head'}) ) {	if (! exists($args->{'skip_phases'}{'head'}) ) {
$result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args);	$result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args);
Line 8752 sub start_page {	Line 9010 sub start_page {
($ltiscope,$ltiuri) = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},	($ltiscope,$ltiuri) = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
$env{'course.'.$env{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
	} elsif ($env{'request.course.id'}) {
	my $expiretime=600;
	if ((time-$env{'course.'.$env{'request.course.id'}.'.last_cache'}) > $expiretime) {
	&Apache::lonnet::coursedescription($env{'request.course.id'},{'freshen_cache' => 1});
	}
	my ($deeplinkmenu,$menuref);
	($menucoll,$deeplinkmenu,$menuref) = &menucoll_in_effect();
	if ($menucoll) {
	if (ref($menuref) eq 'HASH') {
	%menu = %{$menuref};
	}
	if ($menu{'top'} eq 'n') {
	$args->{'no_primary_menu'} = 1;
	}
	if ($menu{'inline'} eq 'n') {
	unless (&Apache::lonnet::allowed('opa')) {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my $crstype = &course_type();
	my $now = time;
	my $ccrole;
	if ($crstype eq 'Community') {
	$ccrole = 'co';
	} else {
	$ccrole = 'cc';
	}
	if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) {
	my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum});
	if ((($start) && ($start<0)) \|\|
	(($end) && ($end<$now)) \|\|
	(($start) && ($now<$start))) {
	$args->{'no_inline_menu'} = 1;
	}
	} else {
	$args->{'no_inline_menu'} = 1;
	}
	}
	}
	}
}	}

if (! exists($args->{'skip_phases'}{'body'}) ) {	if (! exists($args->{'skip_phases'}{'body'}) ) {
if ($args->{'frameset'}) {	if ($args->{'frameset'}) {
my $attr_string = &make_attr_string($args->{'force_register'},	my $attr_string = &make_attr_string($args->{'force_register'},
Line 8766 sub start_page {	Line 9063 sub start_page {
$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,	$args->{'bgcolor'}, $args,
\@advtools,$ltiscope,$ltiuri,\%ltimenu);	\@advtools,$ltiscope,$ltiuri,\%ltimenu,$menucoll,\%menu);
}	}
}	}

Line 8852 sub end_page {	Line 9149 sub end_page {
return $result;	return $result;
}	}

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

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

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

sub wishlist_window {	sub wishlist_window {
return(<<'ENDWISHLIST');	return(<<'ENDWISHLIST');
<script type="text/javascript">	<script type="text/javascript">
Line 8936 sub modal_link {	Line 9320 sub modal_link {
$target_attr = 'target="'.$target.'"';	$target_attr = 'target="'.$target.'"';
}	}
return <<"ENDLINK";	return <<"ENDLINK";
<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">	<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">$linktext</a>
$linktext</a>
ENDLINK	ENDLINK
}	}

sub modal_adhoc_script {	sub modal_adhoc_script {
my ($funcname,$width,$height,$content)=@_;	my ($funcname,$width,$height,$content,$possmathjax)=@_;
	my $mathjax;
	if ($possmathjax) {
	$mathjax = <<'ENDJAX';
	if (typeof MathJax == 'object') {
	MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
	}
	ENDJAX
	}
return (<<ENDADHOC);	return (<<ENDADHOC);
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 8953 sub modal_adhoc_script {	Line 9344 sub modal_adhoc_script {
modalWindow.height = $height;	modalWindow.height = $height;
modalWindow.content = '$content';	modalWindow.content = '$content';
modalWindow.open();	modalWindow.open();
	$mathjax
};	};
// ]]>	// ]]>
</script>	</script>
Line 8960 ENDADHOC	Line 9352 ENDADHOC
}	}

sub modal_adhoc_inner {	sub modal_adhoc_inner {
my ($funcname,$width,$height,$content)=@_;	my ($funcname,$width,$height,$content,$possmathjax)=@_;
my $innerwidth=$width-20;	my $innerwidth=$width-20;
$content=&js_ready(	$content=&js_ready(
&start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).	&start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).
Line 8969 sub modal_adhoc_inner {	Line 9361 sub modal_adhoc_inner {
&end_scrollbox().	&end_scrollbox().
&end_page()	&end_page()
);	);
return &modal_adhoc_script($funcname,$width,$height,$content);	return &modal_adhoc_script($funcname,$width,$height,$content,$possmathjax);
}	}

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

Line 10849 sub sorted_inst_types {	Line 11241 sub sorted_inst_types {
}	}

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

if ($$settings{'internal.sectionnums'} ne '') {	if ($$settings{'internal.sectionnums'} ne '') {
@currsections = split(/,/,$$settings{'internal.sectionnums'});	@currsections = split(/,/,$$settings{'internal.sectionnums'});
Line 10864 sub get_institutional_codes {	Line 11260 sub get_institutional_codes {
}	}

if (@currxlists > 0) {	if (@currxlists > 0) {
foreach (@currxlists) {	foreach my $xl (@currxlists) {
if (m/^([^:]+):(\w*)$/) {	if ($xl =~ /^([^:]+):(\w*)$/) {
unless (grep/^$1$/,@{$allcourses}) {	unless (grep/^$1$/,@{$allcourses}) {
push(@{$allcourses},$1);	push(@{$allcourses},$1);
$$LC_code{$1} = $2;	$$LC_code{$1} = $2;
Line 10873 sub get_institutional_codes {	Line 11269 sub get_institutional_codes {
}	}
}	}
}	}

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

	if (@{$unclutteredsec{$crskey}} > 0) {
	my %formattedsec = &Apache::lonnet::auto_instsec_reformat($cdom,'clutter',\%unclutteredsec);
	if ((ref($formattedsec{$crskey}) eq 'ARRAY') && (ref($unclutteredlcsec{$crskey}) eq 'ARRAY')) {
	for (my $i=0; $i<@{$formattedsec{$crskey}}; $i++) {
	my $sec = $coursecode.$formattedsec{$crskey}[$i];
	unless (grep/^\Q$sec\E$/,@{$allcourses}) {
push(@{$allcourses},$sec);	push(@{$allcourses},$sec);
$$LC_code{$sec} = $lc_sec;	$$LC_code{$sec} = $unclutteredlcsec{$crskey}[$i];
}	}
}	}
}	}
Line 13937 sub load_tmp_file {	Line 14346 sub load_tmp_file {

sub valid_datatoken {	sub valid_datatoken {
my ($datatoken) = @_;	my ($datatoken) = @_;
if ($datatoken =~ /^$match_username\_$match_domain\_enroll_$match_domain\_$match_courseid\_\d+_\d+$/) {	if ($datatoken =~ /^$match_username\_$match_domain\_enroll_(\|$match_domain\_$match_courseid)\_\d+_\d+$/) {
return $datatoken;	return $datatoken;
}	}
return;	return;
Line 15093 Inputs:	Line 15502 Inputs:

from - Sender's email address	from - Sender's email address

	replyto - Reply-To email address

to - Email address of recipient	to - Email address of recipient

subject - Subject of email	subject - Subject of email
Line 15103 cc_string - Carbon copy email ad	Line 15514 cc_string - Carbon copy email ad

bcc - Blind carbon copy email address	bcc - Blind carbon copy email address

type - File type of attachment

attachment_path - Path of file to be attached	attachment_path - Path of file to be attached

file_name - Name of file to be attached	file_name - Name of file to be attached
Line 15121 attachment_text - The body of an attac	Line 15530 attachment_text - The body of an attac
############################################################	############################################################

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

my $msg = MIME::Lite->new(	my $msg = MIME::Lite->new(
From => $from,	From => $from,
To => $to,	To => $to,
Line 15130 sub mime_email {	Line 15540 sub mime_email {
Type =>'TEXT',	Type =>'TEXT',
Data => $body,	Data => $body,
);	);
	if ($replyto ne '') {
	$msg->add("Reply-To" => $replyto);
	}
if ($cc_string ne '') {	if ($cc_string ne '') {
$msg->add("Cc" => $cc_string);	$msg->add("Cc" => $cc_string);
}	}
Line 15245 jsarray (reference to array of categorie	Line 15658 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 15252 Side effects: populates trails and allit	Line 15667 Side effects: populates trails and allit
=cut	=cut

sub extract_categories {	sub extract_categories {
my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;	my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats,$maxd) = @_;
if (ref($categories) eq 'HASH') {	if (ref($categories) eq 'HASH') {
&gather_categories($categories,$cats,$idx,$jsarray);	&gather_categories($categories,$cats,$idx,$jsarray);
if (ref($cats->[0]) eq 'ARRAY') {	if (ref($cats->[0]) eq 'ARRAY') {
Line 15280 sub extract_categories {	Line 15695 sub extract_categories {
if (ref($subcats) eq 'HASH') {	if (ref($subcats) eq 'HASH') {
push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');	push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
}	}
&recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);	&recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats,$maxd);
}	}
} else {	} else {
if (ref($subcats) eq 'HASH') {	if (ref($subcats) eq 'HASH') {
$subcats->{$item} = [];	$subcats->{$item} = [];
}	}
	if (ref($maxd) eq 'HASH') {
	$maxd->{$name} = 1;
	}
}	}
}	}
}	}
Line 15323 Side effects: populates trails and allit	Line 15741 Side effects: populates trails and allit
=cut	=cut

sub recurse_categories {	sub recurse_categories {
my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;	my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats,$maxd) = @_;
my $shallower = $depth - 1;	my $shallower = $depth - 1;
if (ref($cats->[$depth]{$category}) eq 'ARRAY') {	if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {	for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
my $name = $cats->[$depth]{$category}[$k];	my $name = $cats->[$depth]{$category}[$k];
my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;	my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
my $trailstr = join(' -> ',(@{$parents},$category));	my $trailstr = join(' » ',(@{$parents},$category));
if ($allitems->{$item} eq '') {	if ($allitems->{$item} eq '') {
push(@{$trails},$trailstr);	push(@{$trails},$trailstr);
$allitems->{$item} = scalar(@{$trails})-1;	$allitems->{$item} = scalar(@{$trails})-1;
Line 15350 sub recurse_categories {	Line 15768 sub recurse_categories {
}	}
}	}
&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,	&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
$subcats);	$subcats,$maxd);
pop(@{$parents});	pop(@{$parents});
}	}
} else {	} else {
my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;	my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
my $trailstr = join(' -> ',(@{$parents},$category));	my $trailstr = join(' » ',(@{$parents},$category));
if ($allitems->{$item} eq '') {	if ($allitems->{$item} eq '') {
push(@{$trails},$trailstr);	push(@{$trails},$trailstr);
$allitems->{$item} = scalar(@{$trails})-1;	$allitems->{$item} = scalar(@{$trails})-1;
}	}
	if (ref($maxd) eq 'HASH') {
	if ($depth > $maxd->{$parents->[0]}) {
	$maxd->{$parents->[0]} = $depth;
	}
	}
}	}
return;	return;
}	}
Line 15391 sub assign_categories_table {	Line 15814 sub assign_categories_table {
my ($cathash,$currcat,$type,$disabled) = @_;	my ($cathash,$currcat,$type,$disabled) = @_;
my $output;	my $output;
if (ref($cathash) eq 'HASH') {	if (ref($cathash) eq 'HASH') {
my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);	my (@cats,@trails,%allitems,%idx,@jsarray,%maxd,@path,$maxdepth);
&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);	&extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray,\%maxd);
$maxdepth = scalar(@cats);	$maxdepth = scalar(@cats);
if (@cats > 0) {	if (@cats > 0) {
my $itemcount = 0;	my $itemcount = 0;
Line 15718 sub check_clone {	Line 16141 sub check_clone {
my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};	my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);	my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);	my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
my $clonemsg;	my $clonetitle;
	my @clonemsg;
my $can_clone = 0;	my $can_clone = 0;
my $lctype = lc($args->{'crstype'});	my $lctype = lc($args->{'crstype'});
if ($lctype ne 'community') {	if ($lctype ne 'community') {
Line 15726 sub check_clone {	Line 16150 sub check_clone {
}	}
if ($clonehome eq 'no_host') {	if ($clonehome eq 'no_host') {
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
$clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});	push(@clonemsg,({
	mt => 'No new community created.',
	args => [],
	},
	{
	mt => 'A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',
	args => [$args->{'clonedomain'}.':'.$args->{'clonedomain'}],
	}));
} else {	} else {
$clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});	push(@clonemsg,({
}	mt => 'No new course created.',
	args => [],
	},
	{
	mt => 'A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',
	args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}],
	}));
	}
} else {	} else {
my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
	$clonetitle = $clonedesc{'description'};
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
if ($clonedesc{'type'} ne 'Community') {	if ($clonedesc{'type'} ne 'Community') {
$clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});	push(@clonemsg,({
return ($can_clone, $clonemsg, $cloneid, $clonehome);	mt => 'No new community created.',
	args => [],
	},
	{
	mt => 'A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',
	args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}],
	}));
	return ($can_clone,\@clonemsg,$cloneid,$clonehome);
}	}
}	}
if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&	if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
Line 15824 sub check_clone {	Line 16270 sub check_clone {
}	}
unless ($can_clone) {	unless ($can_clone) {
if ($args->{'crstype'} eq 'Community') {	if ($args->{'crstype'} eq 'Community') {
$clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});	push(@clonemsg,({
	mt => 'No new community created.',
	args => [],
	},
	{
	mt => 'The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',
	args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}],
	}));
} else {	} else {
$clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});	push(@clonemsg,({
	mt => 'No new course created.',
	args => [],
	},
	{
	mt => 'The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',
	args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}],
	}));
}	}
}	}
}	}
}	}
return ($can_clone, $clonemsg, $cloneid, $clonehome);	return ($can_clone,\@clonemsg,$cloneid,$clonehome,$clonetitle);
}	}

sub construct_course {	sub construct_course {
my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,	my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,
$cnum,$category,$coderef) = @_;	$cnum,$category,$coderef,$callercontext,$user_lh) = @_;
my $outcome;	my ($outcome,$msgref,$clonemsgref);
my $linefeed = '<br />'."\n";	my $linefeed = '<br />'."\n";
if ($context eq 'auto') {	if ($context eq 'auto') {
$linefeed = "\n";	$linefeed = "\n";
Line 15846 sub construct_course {	Line 16306 sub construct_course {
#	#
# Are we cloning?	# Are we cloning?
#	#
my ($can_clone, $clonemsg, $cloneid, $clonehome);	my ($can_clone,$cloneid,$clonehome,$clonetitle);
if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {	if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);	($can_clone,$clonemsgref,$cloneid,$clonehome,$clonetitle) = &check_clone($args,$linefeed);
if ($context ne 'auto') {
if ($clonemsg ne '') {
$clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
}
}
$outcome .= $clonemsg.$linefeed;

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

Line 15880 sub construct_course {	Line 16333 sub construct_course {
$args->{'ccuname'}.':'.	$args->{'ccuname'}.':'.
$args->{'ccdomain'},	$args->{'ccdomain'},
$args->{'crstype'},	$args->{'crstype'},
$cnum,$context,$category);	$cnum,$context,$category,
	$callercontext);

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

#	#
Line 15897 sub construct_course {	Line 16355 sub construct_course {
($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);	($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);	my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
if ($crsuhome eq 'no_host') {	if ($crsuhome eq 'no_host') {
$outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;	if (($callercontext eq 'auto') && ($user_lh ne '')) {
return (0,$outcome);	$outcome .= &mt_user($user_lh,
	'Course creation failed, unrecognized course home server.');
	} else {
	$outcome .= &mt('Course creation failed, unrecognized course home server.');
	}
	$outcome .= $linefeed;
	return (0,$outcome,$clonemsgref);
}	}
$outcome .= &mt('Created on').': '.$crsuhome.$linefeed;	$outcome .= &mt('Created on').': '.$crsuhome.$linefeed;

#	#
# Do the cloning	# Do the cloning
#	#
	my @clonemsg;
if ($can_clone && $cloneid) {	if ($can_clone && $cloneid) {
$clonemsg = &mt('Cloning [_1] from [_2]',$showncrstype,$clonehome);	push(@clonemsg,
if ($context ne 'auto') {	{
$clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';	mt => 'Created [_1] by cloning from [_2]',
}	args => [$showncrstype,$clonetitle],
$outcome .= $clonemsg.$linefeed;	});
my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
# Copy all files	# Copy all files
&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});	my @info =
	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},
	$args->{'dateshift'},$args->{'crscode'},
	$args->{'ccuname'}.':'.$args->{'ccdomain'},
	$args->{'tinyurls'});
	if (@info) {
	push(@clonemsg,@info);
	}
# Restore URL	# Restore URL
$cenv{'url'}=$oldcenv{'url'};	$cenv{'url'}=$oldcenv{'url'};
# Restore title	# Restore title
Line 15938 sub construct_course {	Line 16410 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'} = $args->{'textbook'};
Line 16180 sub construct_course {	Line 16651 sub construct_course {
# Open all assignments	# Open all assignments
#	#
if ($args->{'openall'}) {	if ($args->{'openall'}) {
	my $opendate = time;
	if ($args->{'openallfrom'} =~ /^\d+$/) {
	$opendate = $args->{'openallfrom'};
	}
my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';	my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
my %storecontent = ($storeunder => time,	my %storecontent = ($storeunder => $opendate,
$storeunder.'.type' => 'date_start');	$storeunder.'.type' => 'date_start');
	$outcome .= &mt('All assignments open starting [_1]',
$outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput	&Apache::lonlocal::locallocaltime($opendate)).': '.
('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;	&Apache::lonnet::cput
	('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
}	}
#	#
# Set first page	# Set first page
Line 16239 sub construct_course {	Line 16715 sub construct_course {
('resourcedata',\%storecontent,$$crsudom,$$crsunum);	('resourcedata',\%storecontent,$$crsudom,$$crsunum);
}	}

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

sub make_unique_code {	sub make_unique_code {
Line 16410 sub compare_arrays {	Line 16886 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 16510 sub init_user_environment {	Line 17004 sub init_user_environment {
# --------------------------------------------------------- Write first profile	# --------------------------------------------------------- Write first profile

{	{
	my $ip = &Apache::lonnet::get_requestor_ip($r);
my %initial_env =	my %initial_env =
("user.name" => $username,	("user.name" => $username,
"user.domain" => $domain,	"user.domain" => $domain,
Line 16528 sub init_user_environment {	Line 17023 sub init_user_environment {
"request.course.sec" => '',	"request.course.sec" => '',
"request.role" => 'cm',	"request.role" => 'cm',
"request.role.adv" => $env{'user.adv'},	"request.role.adv" => $env{'user.adv'},
"request.host" => $ENV{'REMOTE_ADDR'},);	"request.host" => $ip,);

if ($form->{'localpath'}) {	if ($form->{'localpath'}) {
$initial_env{"browser.localpath"} = $form->{'localpath'};	$initial_env{"browser.localpath"} = $form->{'localpath'};
Line 17456 sub needs_coursereinit {	Line 17951 sub needs_coursereinit {
}	}

sub update_content_constraints {	sub update_content_constraints {
my ($cdom,$cnum,$chome,$cid) = @_;	my ($cdom,$cnum,$chome,$cid,$keeporder) = @_;
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');	my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});	my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
my (%checkresponsetypes,%checkcrsrestypes);	my (%checkresponsetypes,%checkcrsrestypes);
Line 17504 sub update_content_constraints {	Line 17999 sub update_content_constraints {
}	}
undef($navmap);	undef($navmap);
}	}
	my (@resources,@order,@resparms,@zombies);
	if ($keeporder) {
	use LONCAPA::map;
	@resources = @LONCAPA::map::resources;
	@order = @LONCAPA::map::order;
	@resparms = @LONCAPA::map::resparms;
	@zombies = @LONCAPA::map::zombies;
	}
my $suppmap = 'supplemental.sequence';	my $suppmap = 'supplemental.sequence';
my ($suppcount,$supptools,$errors) = (0,0,0);	my ($suppcount,$supptools,$errors) = (0,0,0);
($suppcount,$supptools,$errors) = &recurse_supplemental($cnum,$cdom,$suppmap,	($suppcount,$supptools,$errors) = &recurse_supplemental($cnum,$cdom,$suppmap,
$suppcount,$supptools,$errors);	$suppcount,$supptools,$errors);
	if ($keeporder) {
	@LONCAPA::map::resources = @resources;
	@LONCAPA::map::order = @order;
	@LONCAPA::map::resparms = @resparms;
	@LONCAPA::map::zombies = @zombies;
	}
if ($supptools) {	if ($supptools) {
my ($major,$minor) = split(/\./,$checkcrsrestypes{'exttool'});	my ($major,$minor) = split(/\./,$checkcrsrestypes{'exttool'});
if (($major > $reqdmajor) \|\| ($major == $reqdmajor && $minor > $reqdminor)) {	if (($major > $reqdmajor) \|\| ($major == $reqdmajor && $minor > $reqdminor)) {
Line 17534 sub allmaps_incourse {	Line 18043 sub allmaps_incourse {
if ($lastchange > $env{'request.course.tied'}) {	if ($lastchange > $env{'request.course.tied'}) {
my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");	my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
unless ($ferr) {	unless ($ferr) {
&update_content_constraints($cdom,$cnum,$chome,$cid);	&update_content_constraints($cdom,$cnum,$chome,$cid,1);
}	}
}	}
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
Line 17668 sub symb_to_docspath {	Line 18177 sub symb_to_docspath {
}	}

sub captcha_display {	sub captcha_display {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$defdom) = @_;
my ($output,$error);	my ($output,$error);
my ($captcha,$pubkey,$privkey,$version) =	my ($captcha,$pubkey,$privkey,$version) =
&get_captcha_config($context,$lonhost);	&get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
$output = &create_captcha();	$output = &create_captcha();
unless ($output) {	unless ($output) {
Line 17687 sub captcha_display {	Line 18196 sub captcha_display {
}	}

sub captcha_response {	sub captcha_response {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$defdom) = @_;
my ($captcha_chk,$captcha_error);	my ($captcha_chk,$captcha_error);
my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost);	my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {	if ($captcha eq 'original') {
($captcha_chk,$captcha_error) = &check_captcha();	($captcha_chk,$captcha_error) = &check_captcha();
} elsif ($captcha eq 'recaptcha') {	} elsif ($captcha eq 'recaptcha') {
Line 17701 sub captcha_response {	Line 18210 sub captcha_response {
}	}

sub get_captcha_config {	sub get_captcha_config {
my ($context,$lonhost) = @_;	my ($context,$lonhost,$dom_in_effect) = @_;
my ($captcha,$pubkey,$privkey,$version,$hashtocheck);	my ($captcha,$pubkey,$privkey,$version,$hashtocheck);
my $hostname = &Apache::lonnet::hostname($lonhost);	my $hostname = &Apache::lonnet::hostname($lonhost);
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);	my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
Line 17749 sub get_captcha_config {	Line 18258 sub get_captcha_config {
} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {	} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
$captcha = 'original';	$captcha = 'original';
}	}
}	} elsif ($context eq 'passwords') {
	if ($dom_in_effect) {
	my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect);
	if ($passwdconf{'captcha'} eq 'recaptcha') {
	if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') {
	$pubkey = $passwdconf{'recaptchakeys'}{'public'};
	$privkey = $passwdconf{'recaptchakeys'}{'private'};
	}
	if ($privkey && $pubkey) {
	$captcha = 'recaptcha';
	$version = $passwdconf{'recaptchaversion'};
	if ($version ne '2') {
	$version = 1;
	}
	} else {
	$captcha = 'original';
	}
	} elsif ($passwdconf{'captcha'} ne 'notused') {
	$captcha = 'original';
	}
	}
	}
return ($captcha,$pubkey,$privkey,$version);	return ($captcha,$pubkey,$privkey,$version);
}	}

Line 17773 sub create_captcha {	Line 18303 sub create_captcha {
last;	last;
}	}
}	}
	if ($output eq '') {
	&Apache::lonnet::logthis("Failed to create Captcha code after $tries attempts.");
	}
return $output;	return $output;
}	}

Line 17829 sub create_recaptcha {	Line 18362 sub create_recaptcha {
sub check_recaptcha {	sub check_recaptcha {
my ($privkey,$version) = @_;	my ($privkey,$version) = @_;
my $captcha_chk;	my $captcha_chk;
	my $ip = &Apache::lonnet::get_requestor_ip();
if ($version >= 2) {	if ($version >= 2) {
my %info = (	my %info = (
secret => $privkey,	secret => $privkey,
response => $env{'form.g-recaptcha-response'},	response => $env{'form.g-recaptcha-response'},
remoteip => $ENV{'REMOTE_ADDR'},	remoteip => $ip,
);	);
my $request=new HTTP::Request('POST','https://www.google.com/recaptcha/api/siteverify');	my $request=new HTTP::Request('POST','https://www.google.com/recaptcha/api/siteverify');
$request->content(join('&',map {	$request->content(join('&',map {
Line 17856 sub check_recaptcha {	Line 18390 sub check_recaptcha {
my $captcha_result =	my $captcha_result =
$captcha->check_answer(	$captcha->check_answer(
$privkey,	$privkey,
$ENV{'REMOTE_ADDR'},	$ip,
$env{'form.recaptcha_challenge_field'},	$env{'form.recaptcha_challenge_field'},
$env{'form.recaptcha_response_field'},	$env{'form.recaptcha_response_field'},
);	);
Line 17908 sub cleanup_html {	Line 18442 sub cleanup_html {
# $context is the calling context -- roles, grades, contents, menu or flip.	# $context is the calling context -- roles, grades, contents, menu or flip.
sub critical_redirect {	sub critical_redirect {
my ($interval,$context) = @_;	my ($interval,$context) = @_;
	unless (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) {
	return ();
	}
if ((time-$env{'user.criticalcheck.time'})>$interval) {	if ((time-$env{'user.criticalcheck.time'})>$interval) {
if (($env{'request.course.id'}) && (($context eq 'flip') \|\| ($context eq 'contents'))) {	if (($env{'request.course.id'}) && (($context eq 'flip') \|\| ($context eq 'contents'))) {
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
Line 17929 sub critical_redirect {	Line 18466 sub critical_redirect {
&Apache::lonnet::appenv({'user.criticalcheck.time'=>time});	&Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
my $redirecturl;	my $redirecturl;
if ($what[0]) {	if ($what[0]) {
if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {	if (($what[0] ne 'con_lost') && ($what[0] ne 'no_such_host') && ($what[0]!~/^error\:/)) {
$redirecturl='/adm/email?critical=display';	$redirecturl='/adm/email?critical=display';
my $url=&Apache::lonnet::absolute_url().$redirecturl;	my $url=&Apache::lonnet::absolute_url().$redirecturl;
return (1, $url);	return (1, $url);
Line 17989 sub des_decrypt {	Line 18526 sub des_decrypt {
return $plaintext;	return $plaintext;
}	}

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

	sub make_short_symbs {
	my ($cdom,$cnum,$tocreateref,$lockuser) = @_;
	my ($numnew,@errors);
	if (ref($tocreateref) eq 'HASH') {
	my %tocreate = %{$tocreateref};
if (keys(%tocreate)) {	if (keys(%tocreate)) {
my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);	my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);
my $su = Short::URL->new(no_vowels => 1);	my $su = Short::URL->new(no_vowels => 1);
Line 18014 sub make_short_symbs {	Line 18564 sub make_short_symbs {
my (%newunique,%addcourse,%courseonly,%failed);	my (%newunique,%addcourse,%courseonly,%failed);
# get lock on tiny db	# get lock on tiny db
my $now = time;	my $now = time;
	if ($lockuser eq '') {
	$lockuser = $env{'user.name'}.':'.$env{'user.domain'};
	}
my $lockhash = {	my $lockhash = {
"lock\0$now" => $env{'user.name'}.	"lock\0$now" => $lockuser,
':'.$env{'user.domain'},
};	};
my $tries = 0;	my $tries = 0;
my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom);	my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom);
Line 18125 sub shorten_symbs {	Line 18677 sub shorten_symbs {
return $init;	return $init;
}	}

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

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

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

1;	1;
__END__;	__END__;

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

Removed from v.1.1320
changed lines
	Added in v.1.1366