--- rat/lonuserstate.pm	2022/05/29 12:35:02	1.149.2.5.2.2
+++ rat/lonuserstate.pm	2020/04/07 20:57:02	1.149.4.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Construct and maintain state and binary representation of course for user
 #
-# $Id: lonuserstate.pm,v 1.149.2.5.2.2 2022/05/29 12:35:02 raeburn Exp $
+# $Id: lonuserstate.pm,v 1.149.4.1 2020/04/07 20:57:02 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -42,7 +42,7 @@ use Safe::Hole;
 use Opcode;
 use Apache::lonenc;
 use Fcntl qw(:flock);
-use LONCAPA qw(:DEFAULT :match);  
+use LONCAPA qw(:DEFAULT :match);
 use File::Basename;
 
  
@@ -62,9 +62,6 @@ 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
 
 # ----------------------------------- Remove version from URL and store in hash
 
@@ -243,8 +240,6 @@ sub loadmap {
 
     my @map_ids;
     my $codechecked;
-    $rescount{$lpc} = 0;
-    $mapcount{$lpc} = 0;
     while (my $token = $parser->get_token) {
 	next if ($token->[0] ne 'S');
 
@@ -254,13 +249,6 @@ sub loadmap {
 	    my $resource_id = &parse_resource($token,$lpc,$ispage,$uri,$courseid);
 	    if (defined $resource_id) {
 		push(@map_ids, $resource_id);
-                if ($hash{'src_'.$lpc.'.'.$resource_id}) {
-                    $rescount{$lpc} ++;
-                    if (($hash{'src_'.$lpc.'.'.$resource_id}=~/\.sequence$/) ||
-                        ($hash{'src_'.$lpc.'.'.$resource_id}=~/\.page$/)) {
-                        $mapcount{$lpc} ++;
-                    }
-                }
                 unless ($codechecked) {
                     my $startsymb =
                        &Apache::lonnet::encode_symb($hash{'map_id_'.$lpc},$resource_id,
@@ -293,7 +281,15 @@ sub loadmap {
     # Handle randomization and random selection
 
     if ($randomize) {
-        unless (&is_advanced($courseid)) {
+        my $advanced;
+        if ($env{'request.course.id'}) {
+            $advanced = (&Apache::lonnet::allowed('adv') eq 'F');
+        } else {
+            $env{'request.course.id'} = $courseid;
+            $advanced = (&Apache::lonnet::allowed('adv') eq 'F');
+            $env{'request.course.id'} = '';
+        }
+        unless ($advanced) {
             # Order of resources is not randomized if user has and advanced role in the course.
 	    my $seed;
 
@@ -376,18 +372,6 @@ sub loadmap {
     }
 }
 
-sub is_advanced {
-    my ($courseid) = @_;
-    my $advanced;
-    if ($env{'request.course.id'}) {
-        $advanced = (&Apache::lonnet::allowed('adv') eq 'F');
-    } else {
-        $env{'request.course.id'} = $courseid;
-        $advanced = (&Apache::lonnet::allowed('adv') eq 'F');
-        $env{'request.course.id'} = '';
-    }
-    return $advanced;
-}
 
 # -------------------------------------------------------------------- Resource
 #
@@ -474,11 +458,7 @@ sub parse_resource {
     # is not a page.  If the resource is a page then it must be
     # assembled (at fetch time?).
 
-    if ($ispage) {
-        if ($token->[2]->{'external'} eq 'true') { # external
-            $turi=~s{^http\://}{/ext/};
-        }
-    } else {
+    unless ($ispage) {
 	$turi=~/\.(\w+)$/;
 	my $embstyle=&Apache::loncommon::fileembstyle($1);
 	if ($token->[2]->{'external'} eq 'true') { # external
@@ -570,9 +550,7 @@ sub parse_resource {
     if (($turi=~/\.sequence$/) ||
 	($turi=~/\.page$/)) {
 	$hash{'is_map_'.$rid}=1;
-	if ((!$hiddenurl{$rid}) || (&is_advanced($courseid))) {
-	    &loadmap($turi,$rid,$courseid);
-	}
+	&loadmap($turi,$rid,$courseid);
     } 
     return $token->[2]->{'id'};
 }
@@ -905,7 +883,7 @@ sub simplify {
 #    new value indicating how far the map has been traversed (the sofar).
 #
 sub traceroute {
-    my ($sofar,$rid,$beenhere,$encflag,$hdnflag,$cid)=@_;
+    my ($sofar,$rid,$beenhere,$encflag,$hdnflag)=@_;
     my $newsofar=$sofar=simplify($sofar);
 
     unless ($beenhere=~/\&\Q$rid\E\&/) {
@@ -929,30 +907,6 @@ 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.')');
@@ -974,8 +928,7 @@ sub traceroute {
 				$hash{'map_start_'.$hash{'src_'.$rid}},
 				$beenhere,
 				$encflag || $encurl{$rid},
-				$hdnflag || $hiddenurl{$rid},
-                                $cid);
+				$hdnflag || $hiddenurl{$rid});
 	    }
 	}
 
@@ -1002,7 +955,7 @@ sub traceroute {
                 }
 		#  Recurse to resoruces that have to's to us.
                 $newsofar=&traceroute($further,$hash{'goesto_'.$id},$beenhere,
-				      $encflag,$hdnflag,$cid);
+				      $encflag,$hdnflag);
 	    }
 	}
     }
@@ -1161,14 +1114,6 @@ sub hiddenurls {
             if ($currentrids[$k]) {
 		$hash{'randomout_'.$currentrids[$k]}=1;
                 my ($mapid,$resid)=split(/\./,$currentrids[$k]);
-                if ($rescount{$mapid}) {
-                    $rescount{$mapid} --;
-                }
-                if ($hash{'is_map_'.$currentrids[$k]}) {
-                    if ($mapcount{$mapid}) {
-                        $mapcount{$mapid} --;
-                    }
-                }
                 $randomoutentry.='&'.
 		    &Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},
 						 $resid,
@@ -1181,14 +1126,6 @@ sub hiddenurls {
     foreach my $rid (keys(%hiddenurl)) {
 	$hash{'randomout_'.$rid}=1;
 	my ($mapid,$resid)=split(/\./,$rid);
-        if ($rescount{$mapid}) {
-            $rescount{$mapid} --;
-        }
-        if ($hash{'is_map_'.$rid}) {
-            if ($mapcount{$mapid}) {
-                $mapcount{$mapid} --;
-            }
-        }
 	$randomoutentry.='&'.
 	    &Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,
 					 $hash{'src_'.$rid}).'&';
@@ -1199,53 +1136,10 @@ 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) {
-                my $rid = $hash{'ids_'.$hash{'map_id_'.$id}};
-                unless (($skipnext) || (!&is_advanced($cid) && $hash{'deeplinkout_'.$rid})) {
-                    $hash{'map_breadcrumbs_'.$key} .= "$id,";
-                }
-                unless (($id == 0) || ($id == 1)) {
-                    if ((!$rescount{$id}) || ($rescount{$id} == 1 && $mapcount{$id} == 1)) {
-                        $skipnext = 1;
-                    } else {
-                        $skipnext = 0;
-                    }
-                }
-            }
-            $hash{'map_breadcrumbs_'.$key} =~ s/,$//;
-        }
-    }
-}
-
 # ---------------------------------------------------- Read map and all submaps
 
 sub readmap {
-    my ($short,$critmsg_check) = @_;
+    my $short=shift;
     $short=~s/^\///;
 
     # TODO:  Hidden dependency on current user:
@@ -1262,7 +1156,7 @@ sub readmap {
     }
     @cond=('true:normal');
 
-    unless (open(LOCKFILE,">","$fn.db.lock")) {
+    unless (open(LOCKFILE,">$fn.db.lock")) {
 	# 
 	# Most likely a permissions problem on the lockfile or its directory.
 	#
@@ -1285,9 +1179,6 @@ sub readmap {
     undef %randomizationcode;
     undef %hiddenurl;
     undef %encurl;
-    undef %deeplinkout;
-    undef %rescount;
-    undef %mapcount;
     $retfrid='';
     $errtext='';
     my ($untiedhash,$untiedparmhash,$tiedhash,$tiedparmhash); # More state flags.
@@ -1434,9 +1325,7 @@ sub readmap {
         undef %randomizationcode;
         undef %hiddenurl;
         undef %encurl;
-        undef %deeplinkout;
-        undef %rescount;
-        undef %mapcount;
+
         $errtext='';
         $retfrid='';
 	#
@@ -1484,18 +1373,14 @@ sub readmap {
 
 #  Depends on user must parameterize this as well..or separate as this is:
 #  more part of determining what someone sees on entering a course?
-#  When lonuserstate::readmap() is called from lonroles.pm, i.e.,
-#  after selecting a role in a course, critical_redirect will be called,
-#  unless the course has a blocking event in effect, which suppresses
-#  critical message checking (users without evb priv).
-#
 
-    if ($critmsg_check) {
-        my ($redirect,$url) = &Apache::loncommon::critical_redirect();
-        if ($redirect) {
-            $retfurl = $url;
+    my @what=&Apache::lonnet::dump('critical',$env{'user.domain'},
+				   $env{'user.name'});
+    if ($what[0]) {
+	if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
+	    $retfurl='/adm/email?critical=display';
         }
-    } 
+    }
     return ($retfurl,$errtext);
 }
 
@@ -1543,6 +1428,7 @@ 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>
@@ -1555,7 +1441,7 @@ sub build_tmp_hashes {
                                  "request.course.uri" => $uri,
                                  "request.course.tied" => time});
         $env{'request.course.id'}=$short;
-        &traceroute('0',$hash{'map_start_'.$uri},'&','','',$short);
+        &traceroute('0',$hash{'map_start_'.$uri},'&');
         &accinit($uri,$short,$fn);
         &hiddenurls();
     }
@@ -1589,7 +1475,7 @@ sub build_tmp_hashes {
 # ---------------------------------------------------- Store away initial state
     {
         my $cfh;
-        if (open($cfh,">","$fn.state")) {
+        if (open($cfh,">$fn.state")) {
             print $cfh join("\n",@cond);
             $gotstate = 1;
         } else {
@@ -1597,92 +1483,6 @@ sub build_tmp_hashes {
                                      "Could not write statemap $fn for $uri.</font>");
         }
     }
-
-    # Was initial access via a deep-link?
-    my ($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;
 }
 
@@ -1712,7 +1512,7 @@ sub evalstate {
     if (-e $fn) {
 	my @conditions=();
 	{
-	    open(my $fh,"<",$fn);
+	    open(my $fh,"<$fn");
 	    @conditions=<$fh>;
             close($fh);
 	}  
@@ -1744,165 +1544,6 @@ 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{$norecursechk};
-                } else {
-                    last;
-                }
-            }
-        }
-    }
-
-    # Check course -- group
-
-    if ($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{$norecursechk};
-                } else {
-                    last;
-                }
-            }
-        }
-    }
-
-    # Check course -- section
-
-    if ($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{$norecursechk};
-                } else {
-                    last;
-                }
-            }
-        }
-    }
-
-    # Check the map parameters themselves:
-
-    if ($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;
-                    }
-                }
-            }
-        }
-    }
-    return undef;
-}
-
 #  This block seems to have code to manage/detect doubly defined
 #  aliases in maps.