--- loncom/auth/lonlogin.pm	2022/08/24 20:58:50	1.202
+++ loncom/auth/lonlogin.pm	2024/09/18 15:11:31	1.208
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Login Screen
 #
-# $Id: lonlogin.pm,v 1.202 2022/08/24 20:58:50 raeburn Exp $
+# $Id: lonlogin.pm,v 1.208 2024/09/18 15:11:31 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -50,7 +50,7 @@ sub handler {
 	      $ENV{'REDIRECT_QUERY_STRING'}),
 	 ['interface','username','domain','firsturl','localpath','localres',
 	  'token','role','symb','iptoken','btoken','ltoken','ttoken','linkkey',
-          'saml','sso','retry']); 
+          'saml','sso','retry','display']); 
 
 # -- check if they are a migrating user
     if (defined($env{'form.token'})) {
@@ -68,7 +68,7 @@ sub handler {
             $env{'form.ltoken'} = $info{'ltoken'};
         } elsif ($info{'linkprot'}) {
             $env{'form.linkprot'} = $info{'linkprot'};
-            foreach my $item ('linkprotuser','linkprotexit') {
+            foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
                 if ($info{$item} ne '') {
                     $env{'form.'.$item} = $info{$item};
                 }
@@ -175,6 +175,19 @@ sub handler {
             if ($env{'form.symb'}) {
                 $info{'symb'} = $env{'form.symb'};
             }
+            if (($env{'form.firsturl'} eq '/adm/email') && ($env{'form.display'} ne '')) {
+                if ($env{'form.sso'}) {
+                    if ($env{'form.mailrecip'}) {
+                        $info{'display'} = &escape($env{'form.display'});
+                        $info{'mailrecip'} = &escape($env{'form.mailrecip'});
+                    }
+                } else {
+                    if (($env{'form.username'}) && ($env{'form.domain'})) {
+                        $info{'display'} = &escape($env{'form.display'});
+                        $info{'mailrecip'} = &escape($env{'form.username'}.':'.$env{'form.domain'});
+                    }
+                }
+            }
             my $balancer_token = &Apache::lonnet::tmpput(\%info,$found_server);
             unless (($balancer_token eq 'con_lost') || ($balancer_token eq 'refused') ||
                     ($balancer_token eq 'unknown_cmd') || ($balancer_token eq 'no_such_host')) {
@@ -186,7 +199,7 @@ sub handler {
                     $link_info{'ltoken'} = $env{'form.ltoken'};
                 } elsif ($env{'form.linkprot'}) {
                     $link_info{'linkprot'} = $env{'form.linkprot'};
-                    foreach my $item ('linkprotuser','linkprotexit') {
+                    foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
                         if ($env{'form.'.$item} ne '') {
                             $link_info{$item} = $env{'form.'.$item};
                         }
@@ -228,6 +241,11 @@ sub handler {
         $balcookie = $info{'balcookie'};
         &Apache::lonnet::tmpdel($env{'form.btoken'});
         delete($env{'form.btoken'});
+        if (($env{'form.firsturl'} eq '/adm/email') &&
+            (exists($info{'display'})) && (exists($info{'mailrecip'}))) {
+            $env{'form.display'} = &unescape($info{'display'});
+            $env{'form.mailrecip'} = &unescape($info{'mailrecip'});
+        }
     }
 
 #
@@ -259,7 +277,7 @@ sub handler {
             $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
         }
         if (($env{'form.ltoken'}) || ($env{'form.linkprot'})) {
-            my ($linkprot,$linkprotuser,$linkprotexit);
+            my ($linkprot,$linkprotuser,$linkprotexit,$linkprotpbid,$linkprotpburl);
             if ($env{'form.ltoken'}) {
                 my %info = &Apache::lonnet::tmpget($env{'form.ltoken'});
                 $linkprot = $info{'linkprot'};
@@ -269,10 +287,18 @@ sub handler {
                 if ($info{'linkprotexit'} ne '') {
                     $linkprotexit = $info{'linkprotexit'};
                 }
+                if ($info{'linkprotpbid'} ne '') {
+                    $linkprotpbid = $info{'linkprotpbid'};
+                }
+                if ($info{'linkprotpburl'} ne '') {
+                    $linkprotpburl = $info{'linkprotpburl'};
+                }
             } else {
                 $linkprot = $env{'form.linkprot'};
                 $linkprotuser = $env{'form.linkprotuser'};
                 $linkprotexit = $env{'form.linkprotexit'};
+                $linkprotpbid = $env{'form.linkprotpbid'};
+                $linkprotpburl = $env{'form.linkprotpburl'}; 
             }
             if ($linkprot) {
                 my ($linkprotector,$deeplink) = split(/:/,$linkprot,2);
@@ -284,7 +310,9 @@ sub handler {
                                           linkprot => $linkprot,
                                           linkprotuser => $linkprotuser,
                                           linkprotexit => $linkprotexit,
-                                       );    
+                                          linkprotpbid => $linkprotpbid,
+                                          linkprotpburl => $linkprotpburl,
+                                       );
                     if ($env{'form.ltoken'}) {
                         my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
                     }
@@ -339,6 +367,17 @@ sub handler {
         if ($env{'form.ltoken'}) {
             my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
         }
+        if (($env{'form.firsturl'} eq '/adm/email') && ($env{'form.display'})) {
+            if ($env{'form.mailrecip'}) {
+                if ($env{'form.mailrecip'} eq "$env{'user.name'}:$env{'user.domain'}") {
+                    $dest .= (($dest=~/\?/)?'&amp;':'?') . 'display='.&escape($env{'form.display'}).
+                                                           '&amp;mailrecip='.&escape($env{'form.mailrecip'});
+                }
+            } elsif (($env{'form.username'} eq $env{'user.name'}) && ($env{'form.domain'} eq $env{'user.domain'})) {
+                $dest .= (($dest=~/\?/)?'&amp;':'?') . 'display='.&escape($env{'form.display'}).
+                                                       '&amp;mailrecip='.&escape("$env{'user.name'}:$env{'form.domain'}");
+            }
+        }
 	$r->print(
                   $start_page
                  .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
@@ -464,7 +503,8 @@ sub handler {
 
 # -------------------------------------------------------- Store away log token
     my ($tokenextras,$tokentype,$linkprot_for_login);
-    my @names = ('role','symb','iptoken','ltoken','linkprotuser','linkprotexit','linkprot','linkkey');
+    my @names = ('role','symb','iptoken','ltoken','linkprotuser','linkprotexit',
+                 'linkprot','linkkey','display','linkprotpbid','linkprotpburl');
     foreach my $name (@names) {
         if ($env{'form.'.$name} ne '') {
             if ($name eq 'ltoken') {
@@ -472,7 +512,7 @@ sub handler {
                 if ($info{'linkprot'}) {
                     $linkprot_for_login = $info{'linkprot'};
                     $tokenextras .= '&linkprot='.&escape($info{'linkprot'});
-                    foreach my $item ('linkprotuser','linkprotexit') {
+                    foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
                         if ($info{$item}) {
                             $tokenextras .= '&'.$item.'='.&escape($info{$item});
                         }
@@ -480,6 +520,16 @@ sub handler {
                     $tokentype = 'link';
                     last;
                 }
+            } elsif ($env{'form.display'} && ($env{'form.firsturl'} eq '/adm/email')) {
+                if (($env{'form.mailrecip'}) ||
+                    ($env{'form.username'} =~ /^$match_username$/) && ($env{'form.domain'} =~ /^$match_domain$/)) {
+                    $tokenextras .= '&'.$name.'='.&escape($env{'form.display'});
+                    if ($env{'form.mailrecip'}) {
+                        $tokenextras .= '&mailrecip='.&escape($env{'form.mailrecip'});
+                    } else {
+                        $tokenextras .= '&mailrecip='.&escape($env{'form.username'}.':'.$env{'form.domain'});
+                    }
+                }
             } else {
                 $tokenextras .= '&'.$name.'='.&escape($env{'form.'.$name});
                 if (($name eq 'linkkey') || ($name eq 'linkprot')) {
@@ -665,7 +715,7 @@ ENDSCRIPT
 
     my ($lonhost_in_use,@hosts,%defaultdomconf,$saml_prefix,$saml_landing,
         $samlssotext,$samlnonsso,$samlssoimg,$samlssoalt,$samlssourl,$samltooltip,
-        $samlnoframe,$samlwindow);
+        $samlwindow);
     %defaultdomconf = &Apache::loncommon::get_domainconf($defdom);
     @hosts = &Apache::lonnet::current_machine_ids();
     $lonhost_in_use = $lonhost;
@@ -807,8 +857,17 @@ ENDSAMLJS
    .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
 );
 
+    my $target = '_top';
+    if ($sessiondata{'linkprot'}) {
+        my ($linkprotector,$deeplink) = split(/:/,$sessiondata{'linkprot'},2);
+        if (($deeplink eq $sessiondata{'origurl'}) &&
+            (($sessiondata{'linkprotuser'} eq $sessiondata{'username'}.':'.$sessiondata{'domain'}) ||
+             ($sessiondata{'linkprotuser'} eq $sessiondata{'username'}))) {
+            $target = '_self';
+        }
+    }
     $r->print(<<ENDSERVERFORM);
-<form name="server" action="/adm/authenticate" method="post" target="_top">
+<form name="server" action="/adm/authenticate" method="post" target="$target">
    <input type="hidden" name="logtoken" value="$logtoken" />
    <input type="hidden" name="serverid" value="$lonhost" />
    <input type="hidden" name="uname" value="" />
@@ -1221,7 +1280,7 @@ sub redirect_page {
                 $args->{'only_body'} = 1;
             } elsif ($env{'form.linkprot'}) {
                 $link_info{'linkprot'} = $env{'form.linkprot'};
-                foreach my $item ('linkprotuser','linkprotexit') {
+                foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
                     if ($env{'form.'.$item}) {
                         $link_info{$item} = $env{'form.'.$item};
                     }
@@ -1261,7 +1320,7 @@ sub redirect_page {
         }
         $url .= $querystring;
     }
-    $args->{'redirect'} = [0,$url];
+    $args->{'redirect'} = [0,$url,'','',1];
     my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,$args);
     my $end_page   = &Apache::loncommon::end_page();
     return $start_page.$end_page;