--- loncom/auth/lonauth.pm	2011/09/27 20:18:45	1.101.8.7
+++ loncom/auth/lonauth.pm	2010/08/25 16:34:32	1.109
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # User Authentication Module
 #
-# $Id: lonauth.pm,v 1.101.8.7 2011/09/27 20:18:45 raeburn Exp $
+# $Id: lonauth.pm,v 1.109 2010/08/25 16:34:32 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -40,6 +40,7 @@ use Apache::lonmenu();
 use Apache::createaccount;
 use Fcntl qw(:flock);
 use Apache::lonlocal;
+use Apache::File ();
 use HTML::Entities;
  
 # ------------------------------------------------------------ Successful login
@@ -111,23 +112,16 @@ sub success {
         }
     }
 
-    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');
@@ -142,13 +136,10 @@ sub success {
 				       );
     $r->print(<<ENDSUCCESS);
 $start_page
-$setflags
 $windowinfo
 <h1>$lt{'wel'}</h1>
 $lt{'mes'}<p>
 <a href="/adm/$lt{'log'}">$lt{'pro'}</a></p>
-$remoteinfo
-$maincall
 $continuelink
 $end_page
 ENDSUCCESS
@@ -158,8 +149,7 @@ ENDSUCCESS
 
 sub failed {
     my ($r,$message,$form) = @_;
-    my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,
-						    {'no_inline_link' => 1,});
+    my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef);
     my $retry = '/adm/login?username='.$form->{'uname'}.
                 '&domain='.$form->{'udom'};
     if (exists($form->{role})) {
@@ -216,12 +206,12 @@ sub handler {
         } else {
 # Indeed, a valid token is found
             &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
-            &Apache::loncommon::content_type($r,'text/html');
-            $r->send_http_header;
-            my $start_page =
-                &Apache::loncommon::start_page('Already logged in');
-            my $end_page =
-                &Apache::loncommon::end_page();
+	    &Apache::loncommon::content_type($r,'text/html');
+	    $r->send_http_header;
+	    my $start_page = 
+	        &Apache::loncommon::start_page('Already logged in');
+	    my $end_page = 
+	        &Apache::loncommon::end_page();
             my $dest = '/adm/roles';
             if ($env{'form.firsturl'} ne '') {
                 $dest = $env{'form.firsturl'};
@@ -276,8 +266,7 @@ sub handler {
     my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
                                       $form{'serverid'});
 
-    if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
-       ($tmpinfo eq 'no_such_host')) {
+    if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
 	&failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
         return OK;
     } else {
@@ -363,12 +352,9 @@ sub handler {
             &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
         if (grep(/^login$/,@cancreate)) {
             my $domdesc = &Apache::lonnet::domain($form{'udom'},'description');
-            unless (&check_can_host($r,\%form,'no_account_on_host',$domdesc)) {
-                return OK;     
-            }
+            &check_can_host($r,\%form,'no_account_on_host',$domdesc);
             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 = 
@@ -418,31 +404,14 @@ sub handler {
 	}
     }
 
+    &check_can_host($r,\%form,$authhost);
+
     if ($r->dir_config("lonBalancer") eq 'yes') {
-        my $otherserver = &Apache::lonnet::spareserver(30000,undef,1,$form{'udom'});
-        if (!$otherserver) {
-            ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
-        }
-        if ($otherserver) {
-            &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
-                     \%form);
-            $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
-        } else {
-            $r->print(&noswitch());
-        }
-        return OK;
+	&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
+		 \%form);
+        my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
+	$r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
     } else {
-        if (!&check_can_host($r,\%form,$authhost)) {
-            my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
-            if ($otherserver) {
-                &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
-                         \%form);
-                $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
-            } else {
-                $r->print(&noswitch());
-            }
-            return OK;
-        }
 # ------------------------------------------------------- Do the load balancing
 
 # ---------------------------------------------------------- Determine own load
@@ -459,20 +428,16 @@ sub handler {
 # ---------------------------------------------------------- Are we overloaded?
         if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
             my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent,1,$form{'udom'});
-            if (!$unloaded) {
-                ($unloaded) = &Apache::lonnet::choose_server($form{'udom'});
-            }
             if ($unloaded) {
                 &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',
                          undef,\%form);
                 $r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl);
-                return OK;
             }
         }
         &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef,
                  \%form);
-        return OK;
     }
+    return OK;
 }
 
 sub check_can_host {
@@ -507,9 +472,7 @@ sub check_can_host {
     }
     unless ($canhost) {
         if ($authhost eq 'no_account_on_host') {
-            my $checkloginvia = 1;
-            my ($login_host,$hostname) =
-                &Apache::lonnet::choose_server($udom,$checkloginvia);
+            my ($login_host,$hostname) = &Apache::lonnet::choose_server($udom);
             &Apache::loncommon::content_type($r,'text/html');
             $r->send_http_header;
             if ($login_host ne '') {
@@ -529,6 +492,7 @@ sub check_can_host {
                           '<p>'.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'</p>'.
                           &Apache::loncommon::end_page());
             }
+            return OK;
         } else {
             &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef,
                      $form);
@@ -536,16 +500,6 @@ sub check_can_host {
             $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver);
         }
     }
-    return $canhost;
-}
-
-sub noswitch {
-    my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable').
-                 '<h3>'.&mt('Session unavailable').'</h3>'.
-                 &mt('This LON-CAPA server is unable to host your session.').'<br />'.
-                 '<p>'.&mt('Currently no other LON-CAPA server is available to host your session either.').'</p>'.
-                 &Apache::loncommon::end_page();
-    return $result;
 }
 
 1;