--- loncom/interface/lonrss.pm	2019/08/14 16:06:42	1.53.2.4
+++ loncom/interface/lonrss.pm	2021/12/14 03:15:12	1.61
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # RSS Feeder
 #
-# $Id: lonrss.pm,v 1.53.2.4 2019/08/14 16:06:42 raeburn Exp $
+# $Id: lonrss.pm,v 1.61 2021/12/14 03:15:12 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -244,7 +244,7 @@ sub add_blog_entry_link {
 }
 
 sub blocking_blogdisplay {
-    my ($uname,$udom,$html,$filterfeedname) = @_;
+    my ($uname,$udom,$html,$filterfeedname,$clientip) = @_;
     my $user = &Apache::loncommon::plainname($uname,$udom);
     if ($html) {
         $user = &Apache::loncommon::aboutmewrapper($user,$uname,$udom);
@@ -253,23 +253,29 @@ sub blocking_blogdisplay {
     }
     my %setters;
     my ($blocked,$output,$blockcause);
-    my ($startblock,$endblock) =
-             &Apache::loncommon::blockcheck(\%setters,'blogs');
+    my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
+             &Apache::loncommon::blockcheck(\%setters,'blogs',$clientip);
     if ($startblock && $endblock) {
         $blockcause = 'user';
+    } elsif ($by_ip) {
+        $blockcause = 'ip';
     } else { 
         if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
             ($startblock,$endblock) =
-                 &Apache::loncommon::blockcheck(\%setters,'blogs',
+                 &Apache::loncommon::blockcheck(\%setters,'blogs',$clientip,
                                                 $uname,$udom);
             $blockcause = 'blogowner';
         }
     }
-    if ($startblock && $endblock) {
+    if (($startblock && $endblock) || ($by_ip)) {
         $blocked = 1;
-        my $showstart = &Apache::lonlocal::locallocaltime($startblock);
-        my $showend = &Apache::lonlocal::locallocaltime($endblock);
-        $output = &mt('Blogs belonging to [_1] are unavailable from [_2] to [_3].',$user,$showstart,$showend);
+        if ($startblock && $endblock) {
+            my $showstart = &Apache::lonlocal::locallocaltime($startblock);
+            my $showend = &Apache::lonlocal::locallocaltime($endblock);
+            $output = &mt('Blogs belonging to [_1] are unavailable from [_2] to [_3].',$user,$showstart,$showend);
+        } else {
+            $output = &mt('Blogs are unavailable from your current IP address: [_1].',$clientip);
+        }
         if ($html) {$output.='<br />';}
         if ($blockcause eq 'user') {
             $output .= &mt('This is because you are a student in one or more courses in which communication is being blocked.');
@@ -277,9 +283,15 @@ sub blocking_blogdisplay {
                 #$output .= '<br />'.
                        #&Apache::loncommon::build_block_table($startblock,
                        #                                 $endblock,\%setters);
-                 my ($blocked, $blocktext) = Apache::loncommon::blocking_status('blogs');
+                 my ($blocked, $blocktext) = Apache::loncommon::blocking_status('blogs',$clientip);
                  $output .= '<br /><br />'.$blocktext;
             }
+        } elsif ($blockcause eq 'ip') {
+            my $showdom = &Apache::lonnet::domain($blockdom);
+            if ($showdom eq '') {
+                $showdom = $blockdom;
+            }
+            $output .= &mt('This restriction was set by an administrator in the [_1] LON-CAPA domain',$showdom);
         } else {
             $output .= &mt('This is because the blog owner is a student in one or more courses in which communication is being blocked.');
         }
@@ -325,7 +337,8 @@ sub handler {
     my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
     my ($blocked,$blocktext,$disabled,$disabletext);
     if (!&Apache::lonnet::is_course($udom,$uname)) {
-        ($blocked,$blocktext) = &blocking_blogdisplay($uname,$udom,$html,$filterfeedname);
+        my $clientip = &Apache::lonnet::get_requestor_ip($r); 
+        ($blocked,$blocktext) = &blocking_blogdisplay($uname,$udom,$html,$filterfeedname,$clientip);
         if (&Apache::lonnet::usertools_access($uname,$udom,'blog')) {
             $disabled = 0;
         } else {