--- loncom/interface/lonrss.pm	2013/05/06 16:15:59	1.51
+++ loncom/interface/lonrss.pm	2021/11/30 17:35:10	1.60
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # RSS Feeder
 #
-# $Id: lonrss.pm,v 1.51 2013/05/06 16:15:59 raeburn Exp $
+# $Id: lonrss.pm,v 1.60 2021/11/30 17:35:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -128,8 +128,8 @@ sub advertisefeeds {
     }
     if ($feeds) {
 	return '<h4>'.&mt('Available RSS Feeds and Blogs').'</h4><ul>'.$feeds.'</ul>';
-    } else {
-        return '';
+    } elsif (!$edit) {
+        return '<h4>'.&mt('No available RSS Feeds and Blogs').'</h4>';
     }
 }
 
@@ -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 {
@@ -345,8 +358,10 @@ sub handler {
 #	my $title = $displayfeedname?$displayfeedname:"Available RSS Feeds and Blogs";
         my $title = "My Space";
 	my $rss_link = &Apache::lonrss::rss_link($uname,$udom);
+        my $head_extra = $rss_link.'<script type="text/javascript" '
+                                  .'src="/res/adm/includes/file_upload.js"></script>';
 	my $brcrumb = [{href=>$rss_link,text=>"Available RSS Feeds and Blogs"}];
-	$r->print(&Apache::loncommon::start_page($title,$rss_link,
+	$r->print(&Apache::loncommon::start_page($title,$head_extra,
 			 {'bread_crumbs'   => $brcrumb,
 			  'domain'         => $udom,
 			  'force_register' => $env{'form.register'}}).
@@ -411,7 +426,7 @@ sub handler {
 # Add a new feed
         if (($html) && ($edit)) {
 	    $r->print('<h4>' . &mt('New RSS Feed or Blog'). '</h4>');
-	    $r->print('<form method="post" name="makenewfeed">');
+	    $r->print('<form method="post" name="makenewfeed" action="">');
             $r->print(&mt('Name').": <input type='text' size='40' name='namenewblog' />");
 	    $r->print('<input type="submit" value="'.&mt('New Feed').'" />');
 	    $r->print('</form>');
@@ -513,7 +528,7 @@ sub handler {
 		      ($html?'<hr /><h3>':'<title>').
 		      &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
 		      ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
-		      ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data"><br />'.
+		      ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data" action=""><br />'.
 				      &mt('Name of this Feed').
 				      ': <input type="text" size="50" name="newblogname" value="'.
 				      $displayfeedname.'" />':'').'<ul>':'</title>'));
@@ -538,7 +553,19 @@ sub handler {
                         my $uploadlink;
                         if ($entry==$newid) {
 # Generate upload link only for last (new) entry
-			    $uploadlink=&Apache::inputtags::file_selector(0,0,'*','both');
+# Calculate the quota space available in the user's portfolio
+                            my $disk_quota = &Apache::loncommon::get_user_quota($env{'user.name'},
+                                                 $env{'user.domain'}); # expressed in MB
+                            my $portfolio_root = '/userfiles/portfolio';
+                            my $getpropath = 1;
+                            my $current_disk_usage = &Apache::lonnet::diskusage(
+                                $env{'user.domain'}, $env{'user.name'},
+                                $portfolio_root, $getpropath); # Expressed in kB
+                            # Convert to MB for use in file_selector()
+                            my $free_space = $disk_quota - ($current_disk_usage / 1024.);
+                            # Format this number since it will be displayed onscreen
+                            $free_space = sprintf("%.1f", $free_space);
+                            $uploadlink=&Apache::inputtags::file_selector(0,0,'*','both','',$free_space);
 			} else {
 # Otherwise, display
                             $uploadlink='<tt>'.$newsfeed{$id.'_enclosureurl'}.'</tt>'.
@@ -552,20 +579,20 @@ sub handler {
 <li>
 <label><input name='$id\_modified' type='checkbox' value="modified" /> $lt{'store'}</label>
 &nbsp;&nbsp;
-<label><input name='$id\_status' type="radio" value="public" $status{'public'} onClick="changed(this.form,'$id');" /> $lt{'public'}</label>
+<label><input name='$id\_status' type="radio" value="public" $status{'public'} onclick="changed(this.form,'$id');" /> $lt{'public'}</label>
 &nbsp;&nbsp;
-<label><input name='$id\_status' type="radio" value="private" $status{'private'} onClick="changed(this.form,'$id');" /> $lt{'private'}</label>
+<label><input name='$id\_status' type="radio" value="private" $status{'private'} onclick="changed(this.form,'$id');" /> $lt{'private'}</label>
 &nbsp;&nbsp;
-<label><input name='$id\_status' type="radio" value="hidden" $status{'hidden'} onClick="changed(this.form,'$id');" /> $lt{'hidden'}</label>
+<label><input name='$id\_status' type="radio" value="hidden" $status{'hidden'} onclick="changed(this.form,'$id');" /> $lt{'hidden'}</label>
 &nbsp;&nbsp;
-<label><input name='$id\_status' type="radio" value="deleted" onClick="changed(this.form,'$id');" /> $lt{'delete'}</label>
+<label><input name='$id\_status' type="radio" value="deleted" onclick="changed(this.form,'$id');" /> $lt{'delete'}</label>
 <br />
 $lt{'title'}:
-<input name='$id\_title' type='text' size='60' value='$newsfeed{$id.'_title'}' onChange="changed(this.form,'$id');" /><br />
+<input name='$id\_title' type='text' size='60' value='$newsfeed{$id.'_title'}' onchange="changed(this.form,'$id');" /><br />
 $lt{'description'}:<br />
-<textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
+<textarea name='$id\_description' rows="6" cols="80" onchange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
 $lt{'link'}:
-<input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onChange="changed(this.form,'$id');" /><br />
+<input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onchange="changed(this.form,'$id');" /><br />
 $lt{'enc'} -
 $uploadlink
 <hr /></li>
@@ -614,9 +641,10 @@ ENDEDIT
 			      ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
 			       '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
 		}
+                $r->print('</form>');
 	    }
 	} # was a real display feedname
-	$r->print(($html?'</form>'.&Apache::loncommon::end_page():'</channel></rss>'."\n"));
+	$r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
     } # a real user
     return OK;
 } # end handler