--- loncom/auth/lonacc.pm	2021/01/04 03:47:01	1.159.2.18
+++ loncom/auth/lonacc.pm	2021/01/02 19:31:11	1.186
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.159.2.18 2021/01/04 03:47:01 raeburn Exp $
+# $Id: lonacc.pm,v 1.186 2021/01/02 19:31:11 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -102,6 +102,7 @@ use Apache::loncommon();
 use Apache::lonlocal;
 use Apache::restrictedaccess();
 use Apache::blockedaccess();
+use Apache::lonprotected();
 use Fcntl qw(:flock);
 use LONCAPA qw(:DEFAULT :match);
 
@@ -202,6 +203,14 @@ sub get_posted_cgi {
 			$fname='';
 			$fmime='';
 		    }
+                    if ($i<$#lines && $lines[$i+1]=~/^Content\-Type\:\s*([\w\-\/]+)/i) {
+                        # TODO: something with $1 !
+                        $i++;
+                    }
+                    if ($i<$#lines && $lines[$i+1]=~/^Content\-transfer\-encoding\:\s*([\w\-\/]+)/i) {
+                        # TODO: something with $1 !
+                        $i++;
+                    }
 		    $i++;
 		}
 	    } else {
@@ -355,6 +364,14 @@ sub sso_login {
 	    # login but immediately go to switch server to find us a new 
 	    # machine
 	    &Apache::lonauth::success($r,$user,$domain,$home,'noredirect');
+            foreach my $item (keys(%form)) {
+                $env{'form.'.$item} = $form{$item};
+            }
+            unless ($form{'symb'}) {
+                unless (($r->uri eq '/adm/roles') || ($r->uri eq '/adm/sso')) {
+                    $env{'form.origurl'} = $r->uri;
+                }
+            }
             $env{'request.sso.login'} = 1;
             if (defined($r->dir_config("lonSSOReloginServer"))) {
                 $env{'request.sso.reloginserver'} =
@@ -369,7 +386,7 @@ sub sso_login {
 	} else {
 	    # need to login them in, so generate the need data that
 	    # migrate expects to do login
-            my $ip = &Apache::lonnet::get_requestor_ip($r);
+	    my $ip = &Apache::lonnet::get_requestor_ip($r);
 	    my %info=('ip'        => $ip,
 		      'domain'    => $domain,
 		      'username'  => $user,
@@ -520,7 +537,8 @@ sub handler {
             }
         } elsif ($env{'request.course.id'} &&
                  (($requrl =~ m{^/adm/$match_domain/$match_username/aboutme$}) ||
-                  ($requrl =~ m{^/public/$cdom/$cnum/syllabus$}))) {
+                  ($requrl eq "/public/$cdom/$cnum/syllabus") ||
+                  ($requrl =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}))) {
             my $query = $r->args;
             if ($query) {
                 foreach my $pair (split(/&/,$query)) {
@@ -542,6 +560,7 @@ sub handler {
             my $lonhost = &Apache::lonnet::host_from_dns($hostname);
             if ($lonhost) {
                 my $actual = &Apache::lonnet::absolute_url($hostname);
+                my $exphostname = &Apache::lonnet::hostname($lonhost);
                 my $expected = $Apache::lonnet::protocol{$lonhost}.'://'.$hostname;
                 unless ($actual eq $expected) {
                     $env{'request.use_absolute'} = $expected;
@@ -573,7 +592,7 @@ sub handler {
                 if (($found_server) && ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) {
                     $otherserver = $found_server;
                 }
-                unless ($requrl eq '/adm/switchserver') {
+                unless ($requrl eq '/adm/switchserver') { 
                     $r->set_handlers('PerlResponseHandler'=>
                                      [\&Apache::switchserver::handler]);
                 }
@@ -586,7 +605,15 @@ sub handler {
                 }
             }
         }
-
+        if ($requrl=~m{^/+tiny/+$match_domain/+\w+$}) {
+            if ($env{'user.name'} eq 'public' &&
+                $env{'user.domain'} eq 'public') {
+                $env{'request.firsturl'}=$requrl;
+                return FORBIDDEN;
+            } else {
+                return OK;
+            }
+        }
 # ---------------------------------------------------------------- Check access
 	my $now = time;
         my ($check_symb,$check_access,$check_block,$access,$poss_symb);
@@ -598,7 +625,8 @@ sub handler {
             if (($requrl eq '/adm/viewclasslist') ||
                 ($requrl =~ m{^(/adm/wrapper|)\Q/uploaded/$cdom/$cnum/docs/\E}) ||
                 ($requrl =~ m{^/adm/.*/aboutme$}) ||
-                ($requrl=~m{^/adm/coursedocs/showdoc/})) {
+                ($requrl=~m{^/adm/coursedocs/showdoc/}) ||
+                ($requrl=~m{^(/adm/wrapper|)/adm/$cdom/$cnum/\d+/ext\.tool$})) {
                 $check_block = 1;
             }
         }
@@ -611,7 +639,8 @@ sub handler {
                 ($requrl=~m|\.problem/smpedit$|) ||
                 ($requrl=~/^\/public\/.*\/syllabus$/) ||
                 ($requrl=~/^\/adm\/(viewclasslist|navmaps)$/) ||
-                ($requrl=~/^\/adm\/.*\/aboutme\/portfolio(\?|$)/)) {
+                ($requrl=~/^\/adm\/.*\/aboutme\/portfolio(\?|$)/) ||
+                ($requrl=~m{^/adm/$cdom/$cnum/\d+/ext\.tool$})) {
                 $check_symb = 1;
             }
         }
@@ -666,7 +695,7 @@ sub handler {
                 &Apache::blockedaccess::setup_handler($r);
                 return OK;
             }
-        } elsif ($check_access) { 
+        } elsif ($check_access) {
             if ($handle eq '') {
                 unless ($access eq 'F') {
                     if ($requrl =~ m{^/res/$match_domain/$match_username/}) {
@@ -691,6 +720,10 @@ sub handler {
                 &Apache::blockedaccess::setup_handler($r);
                 return OK;
             }
+            if ($access eq 'D') {
+                &Apache::lonprotected::setup_handler($r);
+                return OK;
+            }
 	    if (($access ne '2') && ($access ne 'F')) {
                 if ($requrl =~ m{^/res/}) {
                     $access = &Apache::lonnet::allowed('bro',$requrl);
@@ -707,7 +740,7 @@ sub handler {
                         }
                     }
                 } elsif (($handle =~ /^publicuser_\d+$/) && (&Apache::lonnet::is_portfolio_url($requrl))) {
-                    my $clientip = &Apache::lonnet::get_requestor_ip($r);
+                    my $clientip = &Apache::lonnet::get_requestor_ip($r); 
                     if (&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip) ne 'F') {
                         $env{'user.error.msg'}="$requrl:bre:1:1:Access Denied";
                         return HTTP_NOT_ACCEPTABLE;
@@ -756,15 +789,15 @@ sub handler {
 		}
 		if ($env{'form.symb'}) {
 		    $symb=&Apache::lonnet::symbclean($env{'form.symb'});
-                    if ($requrl eq '/adm/navmaps') {
+		    if ($requrl eq '/adm/navmaps') {
                         my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb);
                         &Apache::lonnet::symblist($map,$murl => [$murl,$mid]);
-                    } elsif ($requrl =~ m|^/adm/wrapper/|
+		    } elsif ($requrl =~ m|^/adm/wrapper/|
 			|| $requrl =~ m|^/adm/coursedocs/showdoc/|) {
 			my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb);
                         if ($map =~ /\.page$/) {
                             my $mapsymb = &Apache::lonnet::symbread($map);
-                            ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb);
+                            ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb); 
                         }
 			&Apache::lonnet::symblist($map,$murl => [$murl,$mid],
 						  'last_known' =>[$murl,$mid]);
@@ -844,8 +877,8 @@ sub handler {
                                 my $mapsymb = &Apache::lonnet::symbread($map);
                                 ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb);
                             }
-                            &Apache::lonnet::symblist($map,$murl =>[$murl,$mid],
-                                                      'last_known' =>[$murl,$mid]);
+			    &Apache::lonnet::symblist($map,$murl =>[$murl,$mid],
+						      'last_known' =>[$murl,$mid]);
                         }
 		    }
 		}
@@ -898,7 +931,7 @@ sub handler {
 # ------------------------------------ See if this is a viewable portfolio file
     if (&Apache::lonnet::is_portfolio_url($requrl)) {
         my $clientip = &Apache::lonnet::get_requestor_ip($r);
-	my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip);
+        my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip);
 	if ($access eq 'A') {
 	    &Apache::restrictedaccess::setup_handler($r);
 	    return OK;