--- loncom/auth/lonacc.pm	2006/09/19 20:36:27	1.101
+++ loncom/auth/lonacc.pm	2007/11/06 02:42:40	1.113
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.101 2006/09/19 20:36:27 albertel Exp $
+# $Id: lonacc.pm,v 1.113 2007/11/06 02:42:40 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,7 +36,7 @@ use Apache::lonnet;
 use Apache::loncommon();
 use Apache::lonlocal;
 use Apache::restrictedaccess();
-use CGI::Cookie();
+use Apache::blockedaccess(); 
 use Fcntl qw(:flock);
 use LONCAPA;
 
@@ -63,7 +63,8 @@ sub get_posted_cgi {
     if ($r->header_in('Content-length')) {
 	$r->read($buffer,$r->header_in('Content-length'),0);
     }
-    unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
+    my $content_type = $r->header_in('Content-type');
+    if ($content_type !~ m{^multipart/form-data}) {
 	my @pairs=split(/&/,$buffer);
 	my $pair;
 	foreach $pair (@pairs) {
@@ -75,7 +76,7 @@ sub get_posted_cgi {
 	    &Apache::loncommon::add_to_env("form.$name",$value);
 	}
     } else {
-	my $contentsep=$1;
+	my ($contentsep) = ($content_type =~ /boundary=\"?([^\";,]+)\"?/);
 	my @lines = split (/\n/,$buffer);
 	my $name='';
 	my $value='';
@@ -83,7 +84,7 @@ sub get_posted_cgi {
 	my $fmime='';
 	my $i;
 	for ($i=0;$i<=$#lines;$i++) {
-	    if ($lines[$i]=~/^$contentsep/) {
+	    if ($lines[$i]=~/^--\Q$contentsep\E/) {
 		if ($name) {
 		    chomp($value);
 		    if ($fname) {
@@ -144,12 +145,12 @@ sub get_posted_cgi {
 # returns OK if it was a SSO and user was handled
 #         undef if not SSO or no means to hanle the user
 sub sso_login {
-    my ($r,$lonid,$handle) = @_;
+    my ($r,$handle) = @_;
 
     my $lonidsdir=$r->dir_config('lonIDsDir');
     if (!($r->user 
 	  && (!defined($env{'user.name'}) && !defined($env{'user.domain'}))
-	  && (!$lonid || !-e "$lonidsdir/$handle.id" || $handle eq ''))) {
+	  && ($handle eq ''))) {
 	# not an SSO case or already logged in
 	return undef;
     }
@@ -159,10 +160,16 @@ sub sso_login {
     my $domain = $r->dir_config('lonDefDomain');
     my $home=&Apache::lonnet::homeserver($user,$domain);
     if ($home !~ /(con_lost|no_host|no_such_host)/) {
+	&Apache::lonnet::logthis(" SSO authorized user $user ");
 	if ($r->dir_config("lonBalancer") eq 'yes') {
 	    # login but immeaditly go to switch server to find us a new 
 	    # machine
 	    &Apache::lonauth::success($r,$user,$domain,$home,'noredirect');
+            $env{'request.sso.login'} = 1;
+            if (defined($r->dir_config("lonSSOReloginServer"))) {
+                $env{'request.sso.reloginserver'} =
+                    $r->dir_config('lonSSOReloginServer');
+            }
 	    $r->internal_redirect('/adm/switchserver');
 	    $r->set_handlers('PerlHandler'=> undef);
 	} else {
@@ -174,6 +181,10 @@ sub sso_login {
 		      'server'    => $r->dir_config('lonHostID'),
 		      'sso.login' => 1
 		      );
+            if (defined($r->dir_config("lonSSOReloginServer"))) {
+                $info{'sso.reloginserver'} = 
+                    $r->dir_config('lonSSOReloginServer'); 
+            }
 	    my $token = 
 		&Apache::lonnet::tmpput(\%info,
 					$r->dir_config('lonHostID'));
@@ -183,6 +194,9 @@ sub sso_login {
 	}
 	return OK;
     } elsif (defined($r->dir_config('lonSSOUserUnknownRedirect'))) {
+	&Apache::lonnet::logthis(" SSO authorized unknown user $user ");
+        $r->subprocess_env->set('SSOUserUnknown' => $user);
+        $r->subprocess_env->set('SSOUserDomain' => $domain);
 	$r->internal_redirect($r->dir_config('lonSSOUserUnknownRedirect'));
 	$r->set_handlers('PerlHandler'=> undef);
 	return OK;
@@ -193,18 +207,14 @@ sub sso_login {
 sub handler {
     my $r = shift;
     my $requrl=$r->uri;
-    my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
-    my $lonid=$cookies{'lonID'};
-    my $cookie;
-    my $lonidsdir=$r->dir_config('lonIDsDir');
-
-    my $handle;
-    if ($lonid) {
-	$handle=$lonid->value;
-        $handle=~s/\W//g;
+    if (&Apache::lonnet::is_domainimage($requrl)) {
+        return OK;
     }
 
-    my $result = &sso_login($r,$lonid,$handle);
+    
+    my $handle = &Apache::lonnet::check_for_valid_session($r);
+
+    my $result = &sso_login($r,$handle);
     if (defined($result)) {
 	return $result
     }
@@ -217,10 +227,10 @@ sub handler {
     
     if ($handle eq '') {
 	$r->log_reason("Cookie $handle not valid", $r->filename); 
-    } elsif ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
+    } elsif ($handle ne '') {
 
 # ------------------------------------------------------ Initialize Environment
-
+	my $lonidsdir=$r->dir_config('lonIDsDir');
 	&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
 
 # --------------------------------------------------------- Initialize Language
@@ -257,6 +267,10 @@ sub handler {
 		&Apache::restrictedaccess::setup_handler($r);
 		return OK;
 	    }
+            if ($access eq 'B') {
+                &Apache::blockedaccess::setup_handler($r);
+                return OK;
+            }
 	    if (($access ne '2') && ($access ne 'F')) {
 		$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied";
 		return HTTP_NOT_ACCEPTABLE; 
@@ -267,6 +281,14 @@ sub handler {
 		$env{'user.domain'};
 	    if ($requrl !~ /^\Q$start\E/) {
 		$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied";
+		return HTTP_NOT_ACCEPTABLE;
+	    }
+	}
+	if ($requrl =~ m|^/zipspool/|) {
+	    my $start='/zipspool/zipout/'.$env{'user.name'}.":".
+		$env{'user.domain'};
+	    if ($requrl !~ /^\Q$start\E/) {
+		$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied";
 		return HTTP_NOT_ACCEPTABLE;
 	    }
 	}