--- loncom/auth/migrateuser.pm	2021/12/12 18:34:48	1.25.2.5
+++ loncom/auth/migrateuser.pm	2022/01/01 17:00:40	1.25.2.5.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Starts a user off based of an existing token.
 #
-# $Id: migrateuser.pm,v 1.25.2.5 2021/12/12 18:34:48 raeburn Exp $
+# $Id: migrateuser.pm,v 1.25.2.5.2.1 2022/01/01 17:00:40 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -52,7 +52,6 @@ sub goto_login {
     return OK;
 }
 
-
 sub sso_check {
     my ($data) = @_;
     my %extra_env;
@@ -193,7 +192,7 @@ sub ip_changed {
                     'username'        => $dataref->{'username'},
                     'sessionserver'   => $lonhost,
                   );
-        my @names = ('origurl','symb','role');
+        my @names = ('origurl','symb','role','linkprot','linkkey');
         foreach my $name (@names) {
             if ($dataref->{$name} ne '') {
                 $info{$name} = $dataref->{$name};
@@ -217,7 +216,7 @@ sub ip_changed {
 
 sub handler {
     my ($r) = @_;
-    
+
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
     my %data =   &Apache::lonnet::tmpget($env{'form.token'});
     if (keys(%data) == 0) {
@@ -290,7 +289,7 @@ sub handler {
         }
     } else {
         my ($handle,$expirepub);
-	$handle = &Apache::lonnet::check_for_valid_session($r);
+        $handle = &Apache::lonnet::check_for_valid_session($r);
 
 # For "public user" - remove any existing "public" cookie so actual user is logged in.
         if ($handle) {
@@ -306,8 +305,102 @@ sub handler {
 	if ($handle) {
 	    &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
 						     $handle);
+            my $checklaunch;
+            if ($data{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) {
+                if ($env{'request.linkprot'} ne '') {
+                     unless ($env{'request.linkprot'} eq $data{'linkprot'}) {
+                         $checklaunch = 1;
+                     }
+                }
+                if ($env{'request.linkkey'} ne '') {
+                    unless ($env{'request.linkkey'} eq $data{'linkkey'}) {
+                        $checklaunch = 1;
+                    }
+                }
+                if ($env{'request.deeplink.login'}) {
+                    unless ($env{'request.deeplink.login'} eq $data{'deeplink.login'}) {
+                        $checklaunch = 1;
+                    }
+                }
+            }
+            if ($data{'linkprot'} ne '') {
+                &Apache::lonnet::appenv({'request.linkprot' => $data{'linkprot'}});
+                if ($env{'request.linkkey'}) {
+                    &Apache::lonnet::delenv('request.linkkey');
+                }
+                my ($linkprotector,$deeplink) = split(/:/,$data{'linkprot'},2);
+                if ($env{'user.linkprotector'}) {
+                    my @protectors = split(/,/,$env{'user.linkprotector'});
+                    unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
+                        push(@protectors,$linkprotector);
+                        @protectors = sort { $a <=> $b } @protectors;
+                        &Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
+                    }
+                } else {
+                    &Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
+                }
+                if ($env{'user.linkproturi'}) {
+                    my @proturis = split(/,/,$env{'user.linkproturi'});
+                    unless(grep(/^\Q$deeplink\E$/,@proturis)) {
+                        push(@proturis,$deeplink);
+                        @proturis = sort @proturis;
+                        &Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
+                    }
+                } else {
+                    &Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
+                }
+            } elsif ($data{'linkkey'} ne '') {
+                &Apache::lonnet::appenv({'request.linkkey' => $data{'linkkey'}});
+                if ($env{'request.linkprot'}) {
+                    &Apache::lonnet::delenv('request.linkprot');
+                }
+                my $deeplink = $data{'deeplink.login'};
+                my $linkkey = $data{'linkkey'};
+                if ($env{'user.deeplinkkey'} ne '') {
+                    my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
+                    unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
+                        push(@linkkeys,$linkkey);
+                        &Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
+                    }
+                } else {
+                    &Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
+                }
+                if ($deeplink) {
+                    if ($env{'user.keyedlinkuri'}) {
+                        my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
+                        unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
+                            push(@keyeduris,$deeplink);
+                            &Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
+                        }
+                    } else {
+                        &Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
+                    }
+                }
+            }
+            if ($data{'deeplink.login'}) {
+                &Apache::lonnet::appenv({'request.deeplink.login' => $data{'deeplink.login'}});
+            }
             if ($data{'origurl'} ne '') {
-                $r->internal_redirect($data{'origurl'});
+                my $dest = $data{'origurl'};
+                if (($env{'request.deeplink.login'} eq $data{'origurl'}) &&
+                    (($env{'request.linkprot'}) || ($env{'request.linkkey'} ne ''))) {
+                    my %info;
+                    if ($env{'request.linkprot'}) {
+                        $info{'linkprot'} = $env{'request.linkprot'};
+                    } elsif ($env{'request.linkkey'} ne '') {
+                        $info{'linkkey'} = $env{'request.linkkey'};
+                    }
+                    $info{'origurl'} = $data{'origurl'};
+                    if ($checklaunch) {
+                        $info{'checklaunch'} = 1;
+                    }
+                    my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
+                    unless (($token eq 'con_lost') || ($token eq 'refused') ||
+                            ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
+                        $dest .= (($dest =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
+                    }
+                }
+                $r->internal_redirect($dest);
             } elsif ($env{'request.course.id'}) {
                 $r->internal_redirect('/adm/navmaps');
 	    } else {
@@ -317,20 +410,61 @@ sub handler {
             my $desturl = '/adm/roles';
             if ($data{'origurl'} ne '') {
                 $desturl = $data{'origurl'};
+                if ($data{'linkprot'}) {
+                    my ($linkprotector,$linkuri) = split(/:/,$data{'linkprot'},2);
+                    if ($linkprotector) {
+                        if (ref($extra_env) eq 'HASH') {
+                            $extra_env->{'user.linkprotector'} = $linkprotector;
+                            $extra_env->{'user.linkproturi'} = $linkuri;
+                            $extra_env->{'request.linkprot'} = $data{'linkprot'};
+                        } else {
+                            $extra_env = {'user.linkprotector' => $linkprotector,
+                                          'user.linkproturi' => $linkuri,
+                                          'request.linkprot' => $data{'linkprot'}};
+                        }
+                    }
+                } elsif ($data{'linkkey'}) {
+                    if (ref($extra_env) eq 'HASH') {
+                        $extra_env->{'user.deeplinkkey'} = $data{'linkkey'};
+                        $extra_env->{'user.keyedlinkuri'} = $data{'deeplink.login'};
+                        $extra_env->{'request.linkkey'} = $data{'linkkey'};
+                     } else {
+                        $extra_env = {'user.deeplinkkey' => $data{'linkkey'},
+                                      'user.keyedlinkuri' => $data{'deeplink.login'},
+                                      'request.linkkey' => $data{'linkkey'}};
+                    }
+                }
+                if ($data{'deeplink.login'}) {
+                    if (ref($extra_env) eq 'HASH') {
+                        $extra_env->{'request.deeplink.login'} = $data{'deeplink.login'};
+                    } else {
+                        $extra_env = {'request.deeplink.login' => $data{'deeplink.login'}};
+                    }
+                }
             }
 	    &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
 				      $home,$desturl,$extra_env,\%form,'',
                                       $expirepub);
-
 	}
 	return OK;
-
     }
 
     my $next_url='/adm/roles?selectrole=1&amp;'.&escape($data{'role'}).'=1';
     if ($data{'origurl'} ne '') {
         $next_url .= '&amp;orgurl='.&escape($data{'origurl'});
     }
+    if ($data{'deeplink.login'}) {
+        if (ref($extra_env) eq 'HASH') {
+            $extra_env->{'request.deeplink.login'} = $data{'deeplink.login'};
+        } else {
+            $extra_env = {'request.deeplink.login' => $data{'deeplink.login'}};
+        }
+        if ($data{'linkprot'}) {
+            $extra_env->{'request.linkprot'} = $data{'linkprot'};
+        } elsif ($data{'linkkey'} ne '') {
+            $extra_env->{'request.linkkey'} = $data{'linkkey'};
+        }
+    }
     &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
 			      $next_url,$extra_env,\%form,$cid);
     return OK;