--- rat/lonuserstate.pm 2024/07/03 02:16:44 1.149.2.6
+++ rat/lonuserstate.pm 2022/05/29 12:10:17 1.168
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Construct and maintain state and binary representation of course for user
#
-# $Id: lonuserstate.pm,v 1.149.2.6 2024/07/03 02:16:44 raeburn Exp $
+# $Id: lonuserstate.pm,v 1.168 2022/05/29 12:10:17 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -62,6 +62,7 @@ my %randomorder; # maps to order content
my %randomizationcode; # code used to grade folder for bubblesheet exam
my %encurl; # URLs in this folder are supposed to be encrypted
my %hiddenurl; # this URL (or complete folder) is supposed to be hidden
+my %deeplinkout; # this URL (or complete folder) unavailable in deep-link session
my %rescount; # count of unhidden items in each map
my %mapcount; # count of unhidden maps in each map
@@ -198,10 +199,6 @@ sub loadmap {
$errtext.= '
'
.&mt('Map not loaded: The file [_1] does not exist.',
"$fn");
- $hash{'map_type_'.$lpc}='none';
- if (&is_advanced($courseid)) {
- $errtext .= &error_detail($parent_rid,$courseid,$ispage,$uri);
- }
return;
}
@@ -259,9 +256,9 @@ sub loadmap {
push(@map_ids, $resource_id);
if ($hash{'src_'.$lpc.'.'.$resource_id}) {
$rescount{$lpc} ++;
- if (($hash{'src_'.$lpc.'.'.$resource_id}=~/\.sequence$/) ||
+ if (($hash{'src_'.$lpc.'.'.$resource_id}=~/\.sequence$/) ||
($hash{'src_'.$lpc.'.'.$resource_id}=~/\.page$/)) {
- $mapcount{$lpc} ++;
+ $mapcount{$lpc} ++;
}
}
unless ($codechecked) {
@@ -392,220 +389,6 @@ sub is_advanced {
return $advanced;
}
-sub error_detail {
- my ($parent_rid,$courseid,$ispage,$uri) = @_;
- my $errinfo;
- if ($courseid) {
- my $courseurl = &Apache::lonnet::courseid_to_courseurl($courseid);
- if ($parent_rid =~ /^(\d+)\.(\d+)$/) {
- my ($parent_pc,$parent_id) = ($1,$2);
- my ($parent_type,$published,$uploaded,$canedit,$role,$switchserver,$audom,$auname,
- $editfile,$filerole,$fileswitch,$audomfile,$aunamefile);
- if (($parent_pc eq '0') && ($hash{'map_id_1'} =~ m{^/res/($match_domain)/($match_username)/.+\.(sequence|page)$})) {
- ($audomfile,$aunamefile) = ($1,$2);
- ($editfile,$filerole,$fileswitch) = &canedit_published($audomfile,$aunamefile);
- $errinfo = &mt('Top level published sequence file is missing.');
- } else {
- if ($parent_pc eq '1') {
- if ($hash{'map_id_1'} eq "/uploaded$courseurl/default.sequence") {
- $uploaded = 1;
- if (&Apache::lonnet::allowed('mdc',$courseid)) {
- $canedit = 1;
- }
- $errinfo = &mt('Map is referenced in the top level ([_1]Main Content[_2]) folder.',
- '','');
- } elsif ($hash{'map_id_1'} =~ m{^/res/($match_domain)/($match_username)/.+\.(sequence|page)$}) {
- ($audom,$auname) = ($1,$2);
- ($canedit,$role,$switchserver) = &canedit_published($audom,$auname);
- $published = 1;
- $errinfo = &mt('Map is referenced in the top level published sequence file.');
- }
- } else {
- if ($hash{'map_id_'.$parent_pc} =~ m{^\Q/uploaded$courseurl/default_\E\d+\.(sequence|page)$}) {
- $uploaded = 1;
- if (&Apache::lonnet::allowed('mdc',$courseid)) {
- $canedit = 1;
- }
- } elsif ($hash{'map_id_'.$parent_pc} =~ m{^/res/($match_domain)/($match_username)/.+\.(sequence|page)$}) {
- ($audom,$auname) = ($1,$2);
- ($canedit,$role,$switchserver) = &canedit_published($audom,$auname);
- $published = 1;
- }
- if (exists($hash{'ids_'.$hash{'map_id_'.$parent_pc}})) {
- $parent_type = $hash{'map_type_'.$parent_pc};
- if ($published) {
- $errinfo = &mt("Map is referenced in the published $parent_type file: [_1].",
- ''.$hash{'map_id_'.$parent_pc}.'');
- } else {
- my $title = $hash{'title_'.$hash{'ids_'.$hash{'map_id_'.$parent_pc}}};
- if ($title ne '') {
- my $mapdesc;
- if ($parent_type eq 'sequence') {
- $mapdesc = 'folder';
- } else {
- $mapdesc = 'composite page';
- }
- $errinfo = &mt("Map is referenced in the $mapdesc named: [_1].",
- ''.$title.'');
- }
- my @containers = split(/,/,$hash{'map_hierarchy_'.$parent_pc});
- shift(@containers);
- my $folderpath;
- foreach my $id (@containers) {
- my $name;
- if ($id == 1) {
- $name = &mt('Main Content');
- } elsif ($hash{'title_'.$hash{'ids_'.$hash{'map_id_'.$id}}} ne '') {
- $name = $hash{'title_'.$hash{'ids_'.$hash{'map_id_'.$id}}};
- }
- if ($name ne '') {
- $folderpath .= $name.' » ';
- }
- }
- if ($title eq '') {
- $folderpath =~ s/\Q » \E$//;
- } else {
- $folderpath .= $title;
- }
- if ($folderpath) {
- $errinfo .= '
'.&mt('Hierarchy is: [_1]',
- ''.$folderpath.'');
- }
- }
- }
- }
- if ($uri =~ m{^/res/($match_domain)/($match_username)/.+\.(sequence|page)$}) {
- ($audomfile,$aunamefile) = ($1,$2);
- ($editfile,$filerole,$fileswitch) = &canedit_published($audomfile,$aunamefile);
- }
- }
- if ($errinfo) {
- $errinfo = '
'.$errinfo.'
';
- }
- if ($editfile) {
- if ($errinfo ne '') {
- $errinfo .= '
';
- }
- if ($canedit) {
- $errinfo .= &mt('One way to rectify this problem is to create and publish the missing file');
- } else {
- $errinfo .= &mt('To rectify this problem, create and publish the missing file');
- }
- my $fileurl = $uri;
- $fileurl =~s{^/res/}{/priv/};
- if ($fileswitch) {
- my $rolename = &Apache::lonnet::plaintext($filerole);
- my $rolecode;
- if ($filerole eq 'au') {
- $rolecode = 'au./'.$audomfile.'/';
- } else {
- $rolecode = $filerole.'./'.$audomfile.'/'.$aunamefile;
- }
- $errinfo .= '.
'.&mt('You will need to [_1]switch server[_2].',
- '','');
- } else {
- &js_escape(\$fileurl);
- $errinfo .= ': '.&mt('Create the missing file').'';
- }
- }
- if ($canedit) {
- if ($errinfo ne '') {
- $errinfo .= '
';
- }
- if ($published) {
- my $rolename = &Apache::lonnet::plaintext($role);
- my $rolecode;
- if ($role eq 'au') {
- $rolecode = 'au./'.$audom.'/';
- } else {
- $rolecode = $role.'./'.$audom.'/'.$auname;
- }
- if ($editfile) {
- $errinfo .= &mt('Another way is to edit the parent map to remove the reference to the missing file');
- } else {
- $errinfo .= &mt('To rectify this problem edit the parent map to remove the reference to the missing file');
- }
- my $mapurl = $hash{'map_id_'.$parent_pc};
- $mapurl =~s{^/res/}{/priv/};
- if ($switchserver) {
- $errinfo .= '.
'.
- &mt('You will need to [_1]switch server[_2].',
- '','');
- } else {
- &js_escape(\$mapurl);
- $errinfo .= ': '.&mt('Edit the map').'';
- }
- } elsif ($uploaded && $courseid) {
- my ($dest,$linktext);
- my $crstype = &Apache::loncommon::course_type($courseid);
- if ($parent_pc eq '1') {
- $dest = '/adm/coursedocs?folderpath='.&escape('default&Main%20Content:::::');
- $linktext = &mt('Edit Folder');
- } elsif ($hash{'ids_'.$hash{'map_id_'.$parent_pc}} =~ /^(\d+)\.(\d+)$/) {
- my ($editmap,$editidx) = ($1,$2);
- my $symb = &Apache::lonnet::encode_symb($hash{'map_id_'.$editmap},
- $editidx,$hash{'map_id_'.$parent_pc});
- $dest = '/adm/coursedocs?command=directnav&symb='.&escape($symb);
- if ($parent_type eq 'sequence') {
- $linktext = &mt('Edit Folder');
- } else {
- $linktext = &mt('Edit Composite Page');
- }
- } else {
- $dest = '/adm/coursedocs?folderpath='.&escape('default&Main%20Content:::::');
- $linktext = &mt("Edit $crstype");
- }
- if ($editfile) {
- $errinfo .= &mt("Another way is to use the $crstype Editor to delete the reference to the missing file");
- } else {
- $errinfo .= &mt("To rectify this problem use the $crstype Editor to delete the reference to the missing file");
- }
- $errinfo .= ': '.$linktext.'';
- }
- $errinfo .= '
';
- }
- }
- }
- return $errinfo;
-}
-
-sub canedit_published {
- my ($audom,$auname) = @_;
- my ($canedit,$role,$switchserver);
- my $now = time;
- if (($auname eq $env{'user.name'}) && ($audom eq $env{'user.domain'})) {
- if (exists($env{"user.role.au./$audom/"})) {
- my ($start,$end) = split(/\./,$env{"user.role.au./$audom/"});
- unless (($end && $end < $now) || ($start && $start > $now)) {
- $canedit = 1;
- $role = 'au';
- }
- }
- }
- unless ($canedit) {
- foreach my $possrole ('ca','aa') {
- if (exists($env{"user.role.$possrole./$audom/$auname"})) {
- my ($end,$start) = split(/\./,$env{"user.role.$possrole./$audom/$auname"});
- unless (($end && $end < time) || ($start && $start > time)) {
- $canedit = 1;
- $role = $possrole;
- last;
- }
- }
- }
- }
- if ($canedit) {
- my $auhome = &Apache::lonnet::homeserver($auname,$audom);
- my @ids=&Apache::lonnet::current_machine_ids();
- if (($auhome ne 'no_host') && (!grep(/^\Q$auhome\E$/,@ids))) {
- $switchserver = $auhome;
- }
- }
- return ($canedit,$role,$switchserver);
-}
-
# -------------------------------------------------------------------- Resource
#
# Parses a resource tag to produce the value to push into the
@@ -710,6 +493,8 @@ sub parse_resource {
} elsif ($turi!~/\.(sequence|page)$/) {
$turi='/adm/coursedocs/showdoc'.$turi;
}
+ } elsif ($turi=~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
+ $turi='/adm/wrapper'.$turi;
} elsif ($turi=~/\S/) { # normal non-empty internal resource
my $mapdir=$uri;
$mapdir=~s/[^\/]+$//;
@@ -1120,7 +905,7 @@ sub simplify {
# new value indicating how far the map has been traversed (the sofar).
#
sub traceroute {
- my ($sofar,$rid,$beenhere,$encflag,$hdnflag)=@_;
+ my ($sofar,$rid,$beenhere,$encflag,$hdnflag,$cid)=@_;
my $newsofar=$sofar=simplify($sofar);
unless ($beenhere=~/\&\Q$rid\E\&/) {
@@ -1144,6 +929,30 @@ sub traceroute {
$retfrid=$rid;
}
+ my (@deeplink,@recurseup);
+ if ($hash{'is_map_'.$rid}) {
+ my ($cdom,$cnum) = split(/_/,$cid);
+ my $mapsrc = $hash{'src_'.$rid};
+ my $map_pc = $hash{'map_pc_'.$mapsrc};
+ my @pcs = split(/,/,$hash{'map_hierarchy_'.$map_pc});
+ shift(@pcs);
+ @recurseup = map { &Apache::lonnet::declutter($hash{'map_id_'.$_}) } reverse(@pcs);
+ my $mapname = &Apache::lonnet::declutter(&Apache::lonnet::deversion($mapsrc));
+ my $deeplinkval = &get_mapparam($env{'user.name'},$env{'user.domain'},$cnum,$cdom,
+ $rid,$mapname,'0.deeplink',\@recurseup);
+ if ($deeplinkval ne '') {
+ @deeplink = ($deeplinkval,'map');
+ }
+ } else {
+ my @pcs = split(/,/,$hash{'map_hierarchy_'.$mapid});
+ shift(@pcs);
+ @recurseup = map { &Apache::lonnet::declutter($hash{'map_id_'.$_}) } reverse(@pcs);
+ @deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$symb,'','','','',$cid,\@recurseup);
+ }
+ unless (@deeplink < 2) {
+ $hash{'deeplinkonly_'.$rid}=join(':',map { &escape($_); } @deeplink);
+ }
+
if (defined($hash{'conditions_'.$rid})) {
$hash{'conditions_'.$rid}=simplify(
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')');
@@ -1165,7 +974,8 @@ sub traceroute {
$hash{'map_start_'.$hash{'src_'.$rid}},
$beenhere,
$encflag || $encurl{$rid},
- $hdnflag || $hiddenurl{$rid});
+ $hdnflag || $hiddenurl{$rid},
+ $cid);
}
}
@@ -1192,7 +1002,7 @@ sub traceroute {
}
# Recurse to resoruces that have to's to us.
$newsofar=&traceroute($further,$hash{'goesto_'.$id},$beenhere,
- $encflag,$hdnflag);
+ $encflag,$hdnflag,$cid);
}
}
}
@@ -1389,17 +1199,34 @@ sub hiddenurls {
}
}
+sub deeplinkouts {
+ my $deeplinkoutentry;
+ foreach my $rid (keys(%deeplinkout)) {
+ $hash{'deeplinkout_'.$rid}=1;
+ my ($mapid,$resid)=split(/\./,$rid);
+ $deeplinkoutentry.='&'.
+ &Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,
+ $hash{'src_'.$rid}).'&';
+ }
+# --------------------------------------- append deeplinkout entry to environment
+ if ($deeplinkoutentry) {
+ &Apache::lonnet::appenv({'acc.deeplinkout' => $deeplinkoutentry});
+ }
+}
+
# -------------------------------------- populate big hash with map breadcrumbs
# Create map_breadcrumbs_$pc from map_hierarchy_$pc by omitting intermediate
# maps not shown in Course Contents table.
sub mapcrumbs {
+ my ($cid) = @_;
foreach my $key (keys(%rescount)) {
if ($hash{'map_hierarchy_'.$key}) {
my $skipnext = 0;
foreach my $id (split(/,/,$hash{'map_hierarchy_'.$key}),$key) {
- unless ($skipnext) {
+ my $rid = $hash{'ids_'.$hash{'map_id_'.$id}};
+ unless (($skipnext) || (!&is_advanced($cid) && $hash{'deeplinkout_'.$rid})) {
$hash{'map_breadcrumbs_'.$key} .= "$id,";
}
unless (($id == 0) || ($id == 1)) {
@@ -1458,6 +1285,7 @@ sub readmap {
undef %randomizationcode;
undef %hiddenurl;
undef %encurl;
+ undef %deeplinkout;
undef %rescount;
undef %mapcount;
$retfrid='';
@@ -1606,6 +1434,7 @@ sub readmap {
undef %randomizationcode;
undef %hiddenurl;
undef %encurl;
+ undef %deeplinkout;
undef %rescount;
undef %mapcount;
$errtext='';
@@ -1666,7 +1495,7 @@ sub readmap {
if ($redirect) {
$retfurl = $url;
}
- }
+ }
return ($retfurl,$errtext);
}
@@ -1714,7 +1543,6 @@ sub build_tmp_hashes {
# Load the map.. note that loadmap may implicitly recurse if the map contains
# sub-maps.
-
&loadmap($uri,'0.0',$short);
# The code below only executes if there is a starting point for the map>
@@ -1727,10 +1555,9 @@ sub build_tmp_hashes {
"request.course.uri" => $uri,
"request.course.tied" => time});
$env{'request.course.id'}=$short;
- &traceroute('0',$hash{'map_start_'.$uri},'&');
+ &traceroute('0',$hash{'map_start_'.$uri},'&','','',$short);
&accinit($uri,$short,$fn);
&hiddenurls();
- &mapcrumbs();
}
$errtext .= &get_mapalias_errors();
# ------------------------------------------------------- Put versions into src
@@ -1770,6 +1597,92 @@ sub build_tmp_hashes {
"Could not write statemap $fn for $uri.");
}
}
+
+ # Was initial access via a deep-link?
+ my ($cdom,$cnum) = split(/_/,$short);
+ if (($cdom ne '') && ($env{'request.deeplink.login'} ne '')) {
+ my $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
+ if ($deeplink_symb) {
+ my ($loginrid,$deeplink_login_pc,$login_hierarchy);
+ my ($map,$resid,$url) = &Apache::lonnet::decode_symb($deeplink_symb);
+ $loginrid = $hash{'map_pc_'.&Apache::lonnet::clutter($map)}.'.'.$resid;
+ if ($deeplink_symb =~ /\.(page|sequence)$/) {
+ $deeplink_login_pc = $hash{'map_pc_'.&Apache::lonnet::clutter($url)};
+ } else {
+ $deeplink_login_pc = $hash{'map_pc_'.&Apache::lonnet::clutter($map)};
+ }
+ my $deeplink;
+ if ($hash{'deeplinkonly_'.$loginrid} ne '') {
+ my @deeplinkinfo = map { &unescape($_); } split(/:/,$hash{'deeplinkonly_'.$loginrid});
+ unless (@deeplinkinfo < 2) {
+ $deeplink = $deeplinkinfo[0];
+ }
+ }
+ if ($deeplink) {
+ my $disallow;
+ my ($state,$others,$listed,$scope,$protect) = split(/,/,$deeplink);
+ if (($protect ne 'none') && ($protect ne '')) {
+ my ($acctype,$item) = split(/:/,$protect);
+ if ($acctype =~ /lti(c|d)$/) {
+ unless ($env{'request.linkprot'} eq $item.$1.':'.$env{'request.deeplink.login'}) {
+ $disallow = 1;
+ }
+ } elsif ($acctype eq 'key') {
+ unless ($env{'request.linkkey'} eq $item) {
+ $disallow = 1;
+ }
+ }
+ }
+ if ($disallow) {
+ &Apache::lonnet::delenv('request.deeplink.login');
+ if ($env{'request.deeplink.target'} ne '') {
+ &Apache::lonnet::delenv('request.deeplink.target');
+ }
+ } else {
+ if ($others eq 'hide') {
+ my @recfolders;
+ if ($scope eq 'rec') {
+ foreach my $key (keys(%hash)) {
+ if ($key=~/^map_hierarchy_(\d+)$/) {
+ my $mpc = $1;
+ my @ids = split(/,/,$hash{$key});
+ if (grep(/^$deeplink_login_pc$/,@ids)) {
+ my $idx;
+ foreach my $mapid (@ids) {
+ if ($idx) {
+ push(@recfolders,$mapid);
+ } elsif ($mapid == $deeplink_login_pc) {
+ push(@recfolders,$mapid);
+ $idx = $mapid;
+ }
+ }
+ push(@recfolders,$mpc);
+ }
+ }
+ }
+ }
+ foreach my $key (keys(%hash)) {
+ if ($key=~/^src_(.+)$/) {
+ my $rid = $1;
+ next if ($rid eq '0.0');
+ next if ($rid eq $loginrid);
+ if ($scope ne 'res') {
+ my $mapid = (split(/\./,$rid))[0];
+ next if ($mapid eq $deeplink_login_pc);
+ if ($scope eq 'rec') {
+ next if (grep(/^$mapid$/,@recfolders));
+ }
+ }
+ $deeplinkout{$rid} = 1;
+ }
+ }
+ }
+ }
+ &deeplinkouts();
+ }
+ }
+ }
+ &mapcrumbs();
return $gotstate;
}
@@ -1831,6 +1744,181 @@ sub evalstate {
return $state;
}
+sub get_mapparam {
+ my ($uname,$udom,$cnum,$cdom,$rid,$mapname,$what,$recurseupref) = @_;
+ unless ($mapname) { return; }
+
+# ------------------------------------------------- Get coursedata (if present)
+ my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
+ if (!ref($courseopt)) {
+ undef($courseopt);
+ }
+
+# --------------------------------------------------- Get userdata (if present)
+ my $useropt=&Apache::lonnet::get_userresdata($uname,$udom);
+ if (!ref($useropt)) {
+ undef($useropt);
+ }
+
+ my @recurseup;
+ if (ref($recurseupref) eq 'ARRAY') {
+ @recurseup = @{$recurseupref};
+ }
+
+ # Get the section if there is one.
+
+ my $cid = $cdom.'_'.$cnum;
+ my $csec=$env{'request.course.sec'};
+ my $cgroup='';
+ my @cgrps=split(/:/,$env{'request.course.groups'});
+ if (@cgrps > 0) {
+ @cgrps = sort(@cgrps);
+ $cgroup = $cgrps[0];
+ }
+
+ my $rwhat=$what;
+ $what=~s/^parameter\_//;
+ $what=~s/\_/\./;
+
+ # Build the hash keys for the lookup:
+
+ my $mapparm=$mapname.'___(all).'.$what;
+ my $recurseparm=$mapname.'___(rec).'.$what;
+ my $usercourseprefix=$cid;
+
+ my $grplevelm = "$usercourseprefix.[$cgroup].$mapparm";
+ my $seclevelm = "$usercourseprefix.[$csec].$mapparm";
+ my $courselevelm = "$usercourseprefix.$mapparm";
+
+ my $grpleveli = "$usercourseprefix.[$cgroup].$recurseparm";
+ my $secleveli = "$usercourseprefix.[$csec].$recurseparm";
+ my $courseleveli = "$usercourseprefix.$recurseparm";
+
+ # Check per user
+
+ if ($uname and defined($useropt)) {
+ if (defined($$useropt{$courselevelm})) {
+ return $$useropt{$courselevelm};
+ }
+ if (defined($$useropt{$courseleveli})) {
+ return $$useropt{$courseleveli};
+ }
+ foreach my $item (@recurseup) {
+ my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
+ if (defined($$useropt{$norecursechk})) {
+ if ($what =~ /\.(encrypturl|hiddenresource)$/) {
+ return $$useropt{$norecursechk};
+ } else {
+ last;
+ }
+ }
+ my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what;
+ if (defined($$useropt{$recursechk})) {
+ return $$useropt{$recursechk};
+ }
+ }
+ }
+
+ # Check course -- group
+
+ if ($cgroup ne '' and defined ($courseopt)) {
+ if (defined($$courseopt{$grplevelm})) {
+ return $$courseopt{$grplevelm};
+ }
+ if (defined($$courseopt{$grpleveli})) {
+ return $$courseopt{$grpleveli};
+ }
+ foreach my $item (@recurseup) {
+ my $norecursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(all).'.$what;
+ if (defined($$courseopt{$norecursechk})) {
+ if ($what =~ /\.(encrypturl|hiddenresource)$/) {
+ return $$courseopt{$norecursechk};
+ } else {
+ last;
+ }
+ }
+ my $recursechk=$usercourseprefix.'.['.$cgroup.'].'.$item.'___(rec).'.$what;
+ if (defined($$courseopt{$recursechk})) {
+ return $$courseopt{$recursechk};
+ }
+ }
+ }
+
+ # Check course -- section
+
+ if ($csec ne '' and defined($courseopt)) {
+ if (defined($$courseopt{$seclevelm})) {
+ return $$courseopt{$seclevelm};
+ }
+ if (defined($$courseopt{$secleveli})) {
+ return $$courseopt{$secleveli};
+ }
+ foreach my $item (@recurseup) {
+ my $norecursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(all).'.$what;
+ if (defined($$courseopt{$norecursechk})) {
+ if ($what =~ /\.(encrypturl|hiddenresource)$/) {
+ return $$courseopt{$norecursechk};
+ } else {
+ last;
+ }
+ }
+ my $recursechk=$usercourseprefix.'.['.$csec.'].'.$item.'___(rec).'.$what;
+ if (defined($$courseopt{$recursechk})) {
+ return $$courseopt{$recursechk};
+ }
+ }
+ }
+
+ # Check the map parameters themselves:
+
+ if ($hash{'param_'.$rid}) {
+ my @items = split(/\&/,$hash{'param_'.$rid});
+ my $thisparm;
+ foreach my $item (@items) {
+ my ($esctype,$escname,$escvalue) = ($item =~ /^([^:]+):([^=]+)=(.*)$/);
+ my $name = &unescape($escname);
+ my $value = &unescape($escvalue);
+ if ($name eq $what) {
+ $thisparm = $value;
+ last;
+ }
+ }
+ if (defined($thisparm)) {
+ return $thisparm;
+ }
+ }
+
+ # Additional course parameters:
+
+ if (defined($courseopt)) {
+ if (defined($$courseopt{$courselevelm})) {
+ return $$courseopt{$courselevelm};
+ }
+
+ if (defined($$courseopt{$courseleveli})) {
+ return $$courseopt{$courseleveli};
+ }
+
+ if (@recurseup) {
+ foreach my $item (@recurseup) {
+ my $norecursechk=$usercourseprefix.'.'.$item.'___(all).'.$what;
+ if (defined($$courseopt{$norecursechk})) {
+ if ($what =~ /\.(encrypturl|hiddenresource)$/) {
+ return $$courseopt{$norecursechk};
+ } else {
+ last;
+ }
+ }
+ my $recursechk=$usercourseprefix.'.'.$item.'___(rec).'.$what;
+ if (defined($$courseopt{$recursechk})) {
+ return $$courseopt{$recursechk};
+ }
+ }
+ }
+ }
+ return undef;
+}
+
# This block seems to have code to manage/detect doubly defined
# aliases in maps.