--- loncom/auth/lonauth.pm	2017/06/06 22:34:37	1.121.2.16
+++ loncom/auth/lonauth.pm	2013/08/13 13:22:24	1.125
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # User Authentication Module
 #
-# $Id: lonauth.pm,v 1.121.2.16 2017/06/06 22:34:37 raeburn Exp $
+# $Id: lonauth.pm,v 1.125 2013/08/13 13:22:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -73,7 +73,7 @@ sub success {
     }
 
 # ------------------------------------------------------------ Get cookie ready
-    $cookie="lonID=$cookie; path=/; HttpOnly";
+    $cookie="lonID=$cookie; path=/";
 # -------------------------------------------------------- Menu script and info
     my $destination = $lowerurl;
 
@@ -103,14 +103,16 @@ sub success {
         if ($destsymb =~ /___/) {
             # FIXME Need to deal with encrypted symbs and urls as needed.
             my ($map,$resid,$desturl)=split(/___/,$destsymb);
-            $desturl = &Apache::lonnet::clutter($desturl);
+            unless ($desturl=~/^(adm|editupload|public)/) {
+                $desturl = &Apache::lonnet::clutter($desturl);
+            }
             $desturl = &HTML::Entities::encode($desturl,'"<>&');
             $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
-            $destination .= 'destinationurl='.$desturl.
+            $destination .= '&destinationurl='.$desturl.
                             '&destsymb='.$destsymb;
         } else {
             $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
-            $destination .= 'destinationurl='.$destsymb;
+            $destination .= '&destinationurl='.$destsymb;
         }
     }
     if ($destination =~ m{^/adm/roles}) {
@@ -118,23 +120,16 @@ sub success {
         $destination .= 'source=login';
     }
 
-    my $windowinfo=&Apache::lonmenu::open($env{'browser.os'});
-    my $startupremote=&Apache::lonmenu::startupremote($destination);
-    my $remoteinfo=&Apache::lonmenu::load_remote_msg($lowerurl);
-    my $setflags=&Apache::lonmenu::setflags();
-    my $maincall=&Apache::lonmenu::maincall();
+    my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="loncapaclient";');
+    my $header = '<meta HTTP-EQUIV="Refresh" CONTENT="0; url='.$destination.'" />';
     my $brcrum = [{'href' => '',
                    'text' => 'Successful Login'},];
     my $start_page=&Apache::loncommon::start_page('Successful Login',
-                                                  $startupremote,
-                                                  {'no_inline_link' => 1,
-                                                   'bread_crumbs' => $brcrum,});
+                                                  $header,
+                                                  {'bread_crumbs' => $brcrum,});
     my $end_page  =&Apache::loncommon::end_page();
 
-    my $continuelink;
-    if ($env{'environment.remote'} eq 'off') {
-	$continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
-    }
+	my $continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
 # ------------------------------------------------- Output for successful login
 
     &Apache::loncommon::content_type($r,'text/html');
@@ -153,71 +148,43 @@ sub success {
     my $welcome = &mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','<i>','</i>'); 
     $r->print(<<ENDSUCCESS);
 $start_page
-$setflags
 $windowinfo
 <h1>$lt{'wel'}</h1>
 $welcome
 $loginhelp
-$remoteinfo
-$maincall
 $continuelink
 $end_page
 ENDSUCCESS
-    return;
 }
 
 # --------------------------------------------------------------- Failed login!
 
 sub failed {
     my ($r,$message,$form) = @_;
-    (undef,undef,undef,my $clientmathml,my $clientunicode) =
-        &Apache::loncommon::decode_user_agent();
-    my $args = {};
-    if ($clientunicode && !$clientmathml) {
-        $args = {'browser.unicode' => 1};
-    }
-
-    my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,$args);
-    my $uname = &Apache::loncommon::cleanup_html($form->{'uname'});
-    my $udom = &Apache::loncommon::cleanup_html($form->{'udom'});
-    if (&Apache::lonnet::domain($udom,'description') eq '') {
-        undef($udom);
-    }
-    my $retry = '/adm/login';
-    if ($uname eq $form->{'uname'}) {
-        $retry .= '?username='.$uname;
-    }
-    if ($udom) {
-        $retry .= (($retry=~/\?/)?'&amp;':'?').'domain='.$udom;
-    }
+    my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef);
+    my $retry = '/adm/login?username='.$form->{'uname'}.
+                '&domain='.$form->{'udom'};
     if (exists($form->{role})) {
-        my $role = &Apache::loncommon::cleanup_html($form->{role});
-        if ($role ne '') {
-            $retry .= (($retry=~/\?/)?'&amp;':'?').'role='.$role;
-        }
+        $retry .= '&role='.$form->{role};
     }
     if (exists($form->{symb})) {
-        my $symb = &Apache::loncommon::cleanup_html($form->{symb});
-        if ($symb ne '') {
-            $retry .= (($retry=~/\?/)?'&amp;':'?').'symb='.$symb;
-        }
+        $retry .= '&symb='.$form->{symb};
     }
-    my $end_page = &Apache::loncommon::end_page();
+    my $end_page   = &Apache::loncommon::end_page();
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
-    my @actions =
-         (&mt('Please [_1]log in again[_2].','<a href="'.$retry.'">','</a>'));
-    my $loginhelp = &loginhelpdisplay($udom);
+    my $loginhelp = &loginhelpdisplay($form->{'udom'});
     if ($loginhelp) {
-        push(@actions, '<a href="'.$loginhelp.'">'.&mt('Login problems?').'</a>');
+        $loginhelp = '<p><a href="'.$loginhelp.'">'.&mt('Login problems?').'</a></p>';
     }
-    #FIXME: link to helpdesk might be added here
 
     $r->print(
        $start_page
-      .'<h2>'.&mt('Sorry ...').'</h2>'
-      .&Apache::lonhtmlcommon::confirm_success(&mt($message),1).'<br /><br />'
-      .&Apache::lonhtmlcommon::actionbox(\@actions)
+      .'<h1>'.&mt('Sorry ...').'</h1>'
+      .'<p class="LC_warning">'.&mt($message).'</p>'
+      .'<p>'.&mt('Please [_1]log in again[_2].','<a href="'.$retry.'">','</a>')
+      .'</p>'
+      .$loginhelp
       .$end_page
     );
  }
@@ -228,9 +195,9 @@ sub reroute {
     my ($r) = @_;
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
-    my $msg='<b>'.&mt('Sorry ...').'</b><br />'
+    my $msg='<h1>'.&mt('Sorry ...').'</h1>'
            .&mt('Please [_1]log in again[_2].');
-    &Apache::loncommon::simple_error_page($r,'Rerouting',$msg,{'no_auto_mt_msg' => 1});
+    &Apache::loncommon::simple_error_page($r,'Rerouting',$msg);
 }
 
 # ---------------------------------------------------------------- Main handler
@@ -238,6 +205,7 @@ sub reroute {
 sub handler {
     my $r = shift;
     my $londocroot = $r->dir_config('lonDocRoot');
+    my $form;
 # Are we re-routing?
     if (-e "$londocroot/lon-status/reroute.txt") {
 	&reroute($r);
@@ -291,7 +259,7 @@ sub handler {
        $value =~ tr/+/ /;
        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
        $form{$name}=$value;
-    }
+    } 
 
     if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) {
 	&failed($r,'Username, password and domain need to be specified.',
@@ -335,27 +303,40 @@ sub handler {
         return OK;
     }
 
-    my ($key,$firsturl,$rolestr,$symbstr,$iptokenstr)=split(/&/,$tmpinfo);
+    my ($key,$firsturl,$rolestr,$symbstr)=split(/&/,$tmpinfo);
     if ($rolestr) {
         $rolestr = &unescape($rolestr);
     }
     if ($symbstr) {
         $symbstr= &unescape($symbstr);
     }
-    if ($iptokenstr) {
-        $iptokenstr = &unescape($iptokenstr);
-    }
     if ($rolestr =~ /^role=/) {
         (undef,$form{'role'}) = split('=',$rolestr);
     }
     if ($symbstr =~ /^symb=/) { 
         (undef,$form{'symb'}) = split('=',$symbstr);
     }
-    if ($iptokenstr =~ /^iptoken=/) {
-        (undef,$form{'iptoken'}) = split('=',$iptokenstr);
+
+    my $keybin=pack("H16",$key);
+
+    my $cipher;
+    if ($Crypt::DES::VERSION>=2.03) {
+	$cipher=new Crypt::DES $keybin;
+    }
+    else {
+	$cipher=new DES $keybin;
     }
+    my $upass='';
+    for (my $i=0;$i<=2;$i++) {
+	my $chunk=
+	    $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},0,16))));
+
+	$chunk.=
+	    $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},16,16))));
 
-    my $upass = &Apache::loncommon::des_decrypt($key,$form{'upass0'});
+	$chunk=substr($chunk,1,ord(substr($chunk,0,1)));
+	$upass.=$chunk;
+    }
 
 # ---------------------------------------------------------------- Authenticate
 
@@ -386,8 +367,7 @@ sub handler {
                 return OK;
             }
             my $start_page = 
-                &Apache::loncommon::start_page('Create a user account in LON-CAPA',
-                                               '',{'no_inline_link'   => 1,});
+                &Apache::loncommon::start_page('Create a user account in LON-CAPA');
             my $lonhost = $r->dir_config('lonHostID');
             my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
             my $contacts = 
@@ -416,17 +396,6 @@ sub handler {
 	($firsturl=~/^\/adm\/(logout|remote)/)) {
 	$firsturl='/adm/roles';
     }
-
-    my $hosthere;
-    if ($form{'iptoken'}) {
-        my %sessiondata = &Apache::lonnet::tmpget($form{'iptoken'});
-        my $delete = &Apache::lonnet::tmpdel($form{'iptoken'});
-        if (($sessiondata{'domain'} eq $form{'udom'}) &&
-            ($sessiondata{'username'} eq $form{'uname'})) {
-            $hosthere = 1;
-        }
-    }
-
 # --------------------------------- Are we attempting to login as somebody else?
     if ($form{'suname'}) {
 # ------------ see if the original user has enough privileges to pull this stunt
@@ -450,43 +419,17 @@ sub handler {
 	}
     }
 
-    my ($is_balancer,$otherserver);
+    my ($is_balancer,$otherserver) = 
+        &Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'});
 
-    unless ($hosthere) {
-        ($is_balancer,$otherserver) =
-            &Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'},'login');
-        if ($is_balancer) {
-            if ($otherserver eq '') {
-                my $lowest_load;
-                ($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($form{'udom'});
-                if ($lowest_load > 100) {
-                    $otherserver = &Apache::lonnet::spareserver($lowest_load,$lowest_load,1,$form{'udom'});
-                }
-            }
-            if ($otherserver ne '') {
-                my @hosts = &Apache::lonnet::current_machine_ids();
-                if (grep(/^\Q$otherserver\E$/,@hosts)) {
-                    $hosthere = $otherserver;
-                }
-            }
+    if ($is_balancer) {
+        if (!$otherserver) { 
+            ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
         }
-    }
-
-    if (($is_balancer) && (!$hosthere)) {
         if ($otherserver) {
             &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
                      \%form);
-            my $switchto = '/adm/switchserver?otherserver='.$otherserver;
-            if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) {
-                $switchto .= '&origurl='.$firsturl;
-            }
-            if ($form{'role'}) {
-                $switchto .= '&role='.$form{'role'};
-            }
-            if ($form{'symb'}) {
-                $switchto .= '&symb='.$form{'symb'};
-            }
-            $r->internal_redirect($switchto);
+	    $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
         } else {
             $r->print(&noswitch());
         }
@@ -497,17 +440,7 @@ sub handler {
             if ($otherserver) {
                 &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
                          \%form);
-                my $switchto = '/adm/switchserver?otherserver='.$otherserver;
-                if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) {
-                    $switchto .= '&origurl='.$firsturl;
-                }
-                if ($form{'role'}) {
-                    $switchto .= '&role='.$form{'role'};
-                }
-                if ($form{'symb'}) {
-                    $switchto .= '&symb='.$form{'symb'};
-                }
-                $r->internal_redirect($switchto);
+                $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
             } else {
                 $r->print(&noswitch());
             }
@@ -540,9 +473,6 @@ sub handler {
                 return OK;
             }
         }
-        if (($is_balancer) && ($hosthere)) {
-            $form{'noloadbalance'} = $hosthere;
-        }
         &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef,
                  \%form);
         return OK;