--- loncom/interface/lonmsg.pm	2001/02/06 18:17:34	1.7
+++ loncom/interface/lonmsg.pm	2003/06/23 22:25:14	1.56
@@ -1,7 +1,31 @@
 # The LearningOnline Network with CAPA
-#
 # Routines for messaging
 #
+# $Id: lonmsg.pm,v 1.56 2003/06/23 22:25:14 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+#
 # (Routines to control the menu
 #
 # (TeX Conversion Module
@@ -12,35 +36,46 @@
 #
 # 10/19,10/20,10/30,
 # 02/06/01 Gerd Kortemeyer
-
+# 07/27 Guy Albertelli
+# 07/27,07/28,07/30,08/03,08/06,08/08,08/09,08/10,8/13,8/15,
+# 10/1,11/5 Gerd Kortemeyer
+# YEAR=2002
+# 1/1,3/18 Gerd Kortemeyer
+#
 package Apache::lonmsg;
 
 use strict;
 use Apache::lonnet();
 use vars qw($msgcount);
-use HTML::TokeParser;
+use HTML::TokeParser();
 use Apache::Constants qw(:common);
+use Apache::loncommon();
+use Apache::lontexconvert();
+use HTML::Entities();
+use Mail::Send;
 
 # ===================================================================== Package
 
 sub packagemsg {
-    my ($subject,$message,$citation)=@_;
-    $message=~s/\</\&lt\;/g;
-    $message=~s/\>/\&gt\;/g;
-    $citation=~s/\</\&lt\;/g;
-    $citation=~s/\>/\&gt\;/g;
-    $subject=~s/\</\&lt\;/g;
-    $subject=~s/\>/\&gt\;/g;
+    my ($subject,$message,$citation,$baseurl,$attachmenturl)=@_;
+    $message =&HTML::Entities::encode($message);
+    $citation=&HTML::Entities::encode($citation);
+    $subject =&HTML::Entities::encode($subject);
+    #remove machine specification
+    $baseurl =~ s|^http://[^/]+/|/|;
+    $baseurl =&HTML::Entities::encode($baseurl);
+    #remove machine specification
+    $attachmenturl =~ s|^http://[^/]+/|/|;
+    $attachmenturl =&HTML::Entities::encode($attachmenturl);
+
     my $now=time;
     $msgcount++;
     my $partsubj=$subject;
     $partsubj=&Apache::lonnet::escape($partsubj);
-    $partsubj=substr($partsubj,0,50);
     my $msgid=&Apache::lonnet::escape(
            $now.':'.$partsubj.':'.$ENV{'user.name'}.':'.
            $ENV{'user.domain'}.':'.$msgcount.':'.$$);
-    return $msgid,
-           '<sendername>'.$ENV{'user.name'}.'</sendername>'.
+    my $result='<sendername>'.$ENV{'user.name'}.'</sendername>'.
            '<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
            '<subject>'.$subject.'</subject>'.
 	   '<time>'.localtime($now).'</time>'.
@@ -56,14 +91,23 @@ sub packagemsg {
 	   '<role>'.$ENV{'request.role'}.'</role>'.
 	   '<resource>'.$ENV{'request.filename'}.'</resource>'.
            '<msgid>'.$msgid.'</msgid>'.
-	   '<message>'.$message.'</message>'.
-	   '<citation>'.$citation.'</citation>';
+	   '<message>'.$message.'</message>';
+    if (defined($citation)) {
+	$result.='<citation>'.$citation.'</citation>';
+    }
+    if (defined($baseurl)) {
+	$result.= '<baseurl>'.$baseurl.'</baseurl>';
+    }
+    if (defined($attachmenturl)) {
+	$result.= '<attachmenturl>'.$attachmenturl.'</attachmenturl>';
+    }
+    return $msgid,$result;
 }
 
 # ================================================== Unpack message into a hash
 
 sub unpackagemsg {
-    my $message=shift;
+    my ($message,$notoken)=@_;
     my %content=();
     my $parser=HTML::TokeParser->new(\$message);
     my $token;
@@ -74,6 +118,16 @@ sub unpackagemsg {
            $content{$entry}=$value;
        }
     }
+    if ($content{'attachmenturl'}) {
+       my ($fname,$ft)=($content{'attachmenturl'}=~/\/(\w+)\.(\w+)$/);
+       if ($notoken) {
+	   $content{'message'}.='<p>Attachment: <tt>'.$fname.'.'.$ft.'</tt>';
+       } else {
+	   $content{'message'}.='<p>Attachment: <a href="'.
+	       &Apache::lonnet::tokenwrapper($content{'attachmenturl'}).
+	       '"><tt>'.$fname.'.'.$ft.'</tt></a>';
+       }
+    }
     return %content;
 }
 
@@ -83,12 +137,59 @@ sub unpackmsgid {
     my $msgid=&Apache::lonnet::unescape(shift);
     my ($sendtime,$shortsubj,$fromname,$fromdomain)=split(/\:/,
                           &Apache::lonnet::unescape($msgid));
-    my %status=&Apache::lonnet::get('email_status',$msgid);
+    my %status=&Apache::lonnet::get('email_status',[$msgid]);
     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
     unless ($status{$msgid}) { $status{$msgid}='new'; }
     return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
 } 
 
+
+sub sendemail {
+    my ($to,$subject,$body)=@_;
+    $body=
+    "*** This is an automatic message generated by the LON-CAPA system.\n".
+    "*** Please do not reply to this address.\n\n".$body;
+    my $msg = new Mail::Send;
+    $msg->to($to);
+    $msg->subject('[LON-CAPA] '.$subject);
+    my $fh = $msg->open('smtp',Server => 'localhost');
+    print $fh $body;
+    $fh->close;
+}
+
+# ==================================================== Send notification emails
+
+sub sendnotification {
+    my ($to,$touname,$toudom,$subj,$crit)=@_;
+    my $sender=$ENV{'environment.firstname'}.' '.$ENV{'environment.lastname'};
+    my $critical=($crit?' critical':'');
+    my $url='http://'.
+      $Apache::lonnet::hostname{&Apache::lonnet::homeserver($touname,$toudom)}.
+      '/adm/email?username='.$touname.'&domain='.$toudom;
+    my $body=(<<ENDMSG);
+You received a$critical message from $sender in LON-CAPA. The subject is
+
+ $subj
+
+Use
+
+ $url
+
+to access this message.
+ENDMSG
+    &sendemail($to,'New'.$critical.' message from '.$sender,$body);
+}
+# ============================================================= Check for email
+
+sub newmail {
+    if ((time-$ENV{'user.mailcheck.time'})>300) {
+        my %what=&Apache::lonnet::get('email_status',['recnewemail']);
+        &Apache::lonnet::appenv('user.mailcheck.time'=>time);
+        if ($what{'recnewemail'}>0) { return 1; }
+    }
+    return 0;
+}
+
 # =============================== Automated message to the author of a resource
 
 sub author_res_msg {
@@ -111,23 +212,37 @@ sub author_res_msg {
 
 # ================================================== Critical message to a user
 
-sub user_crit_msg {
-    my ($user,$domain,$subject,$message)=@_;
+sub user_crit_msg_raw {
+    my ($user,$domain,$subject,$message,$sendback)=@_;
 # Check if allowed missing
     my $status='';
     my $msgid='undefined';
     unless (($message)&&($user)&&($domain)) { $status='empty'; };
     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
     if ($homeserver ne 'no_host') {
-       my $msgid;
        ($msgid,$message)=&packagemsg($subject,$message);
+       if ($sendback) { $message.='<sendback>true</sendback>'; }
        $status=&Apache::lonnet::critical(
            'put:'.$domain.':'.$user.':critical:'.
            &Apache::lonnet::escape($msgid).'='.
            &Apache::lonnet::escape($message),$homeserver);
+       if ($ENV{'request.course.id'}) {
+          &user_normal_msg_raw(
+            $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+            'Critical ['.$user.':'.$domain.']',
+	    $message);
+       }
     } else {
        $status='no_host';
     }
+# Notifications
+    my %userenv = &Apache::lonnet::get('environment',['critnotification'],
+                                       $domain,$user);
+    if ($userenv{'critnotification'}) {
+      &sendnotification($userenv{'critnotification'},$user,$domain,$subject,1);
+    }
+# Log this
     &Apache::lonnet::logthis(
       'Sending critical email '.$msgid.
       ', log status: '.
@@ -138,166 +253,707 @@ sub user_crit_msg {
     return $status;
 }
 
+# New routine that respects "forward" and calls old routine
+
+sub user_crit_msg {
+    my ($user,$domain,$subject,$message,$sendback)=@_;
+    my $status='';
+    my %userenv = &Apache::lonnet::get('environment',['msgforward'],
+                                       $domain,$user);
+    my $msgforward=$userenv{'msgforward'};
+    if ($msgforward) {
+       foreach (split(/\,/,$msgforward)) {
+	 my ($forwuser,$forwdomain)=split(/\:/,$_);
+         $status.=
+	   &user_crit_msg_raw($forwuser,$forwdomain,$subject,$message,
+                $sendback).' ';
+       }
+    } else { 
+	$status=&user_crit_msg_raw($user,$domain,$subject,$message,$sendback);
+    }
+    return $status;
+}
+
 # =================================================== Critical message received
 
 sub user_crit_received {
-    my $message=shift;
-    my %contents=&unpackagemsg($message);
-    my $status='rec: '.
+    my $msgid=shift;
+    my %message=&Apache::lonnet::get('critical',[$msgid]);
+    my %contents=&unpackagemsg($message{$msgid},1);
+    my $status='rec: '.($contents{'sendback'}?
      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},
                      'Receipt: '.$ENV{'user.name'}.' at '.$ENV{'user.domain'},
                      'User '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}.
-                     ' acknowledged receipt of message "'.
-                     $contents{'subject'}.'" dated '.$contents{'time'}.".\n\n"
-                     .'Message ID: '.$contents{'msgid'});
+                     ' acknowledged receipt of message'."\n".'   "'.
+                     $contents{'subject'}.'"'."\n".'dated '.
+                     $contents{'time'}.".\n"
+                     ):'no msg req');
     $status.=' trans: '.
-     &Apache::lonnet::put('nohist_email',$contents{'msgid'} => $message);
+     &Apache::lonnet::put(
+     'nohist_email',{$contents{'msgid'} => $message{$msgid}});
     $status.=' del: '.
-     &Apache::lonnet::del('critical',$contents{'msgid'});
+     &Apache::lonnet::del('critical',[$contents{'msgid'}]);
     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
                          $ENV{'user.home'},'Received critical message '.
                          $contents{'msgid'}.
                          ', '.$status);
+    return $status;
 }
 
 # ======================================================== Normal communication
 
-sub user_normal_msg {
-    my ($user,$domain,$subject,$message,$citation)=@_;
+sub user_normal_msg_raw {
+    my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl)=@_;
 # Check if allowed missing
     my $status='';
     my $msgid='undefined';
     unless (($message)&&($user)&&($domain)) { $status='empty'; };
     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
     if ($homeserver ne 'no_host') {
-       my $msgid;
-       ($msgid,$message)=&packagemsg($subject,$message,$citation);
+       ($msgid,$message)=&packagemsg($subject,$message,$citation,$baseurl,
+                                     $attachmenturl);
        $status=&Apache::lonnet::critical(
            'put:'.$domain.':'.$user.':nohist_email:'.
            &Apache::lonnet::escape($msgid).'='.
            &Apache::lonnet::escape($message),$homeserver);
+       &Apache::lonnet::put
+                         ('email_status',{'recnewemail'=>time},$domain,$user);
     } else {
        $status='no_host';
     }
+# Notifications
+    my %userenv = &Apache::lonnet::get('environment',['notification'],
+                                       $domain,$user);
+    if ($userenv{'notification'}) {
+	&sendnotification($userenv{'notification'},$user,$domain,$subject,0);
+    }
     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
                          $ENV{'user.home'},
       'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
     return $status;
 }
 
+# New routine that respects "forward" and calls old routine
+
+sub user_normal_msg {
+    my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl)=@_;
+    my $status='';
+    my %userenv = &Apache::lonnet::get('environment',['msgforward'],
+                                       $domain,$user);
+    my $msgforward=$userenv{'msgforward'};
+    if ($msgforward) {
+       foreach (split(/\,/,$msgforward)) {
+	 my ($forwuser,$forwdomain)=split(/\:/,$_);
+         $status.=
+	  &user_normal_msg_raw($forwuser,$forwdomain,$subject,$message,
+			       $citation,$baseurl,$attachmenturl).' ';
+       }
+    } else { 
+	$status=&user_normal_msg_raw($user,$domain,$subject,$message,
+				     $citation,$baseurl,$attachmenturl);
+    }
+    return $status;
+}
+
+
 # =============================================================== Status Change
 
 sub statuschange {
     my ($msgid,$newstatus)=@_;
-    my %status=&Apache::lonnet::get('email_status',$msgid);
+    my %status=&Apache::lonnet::get('email_status',[$msgid]);
     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
     unless ($status{$msgid}) { $status{$msgid}='new'; }
     unless (($status{$msgid} eq 'replied') || 
             ($status{$msgid} eq 'forwarded')) {
-	&Apache::lonnet::put('email_status',($msgid => $newstatus));
+	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
+    }
+    if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
+	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
     }
 }
-# ===================================================================== Handler
 
-sub handler {
+# ======================================================= Display a course list
+
+sub discourse {
     my $r=shift;
+    my %courselist=&Apache::lonnet::dump(
+                   'classlist',
+		   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+		   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+    my $now=time;
+    $r->print(<<ENDDISHEADER);
+<input type=hidden name=sendmode value=group>
+<script>
+    function checkall() {
+	for (i=0; i<document.forms.compemail.elements.length; i++) {
+            if 
+          (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
+	      document.forms.compemail.elements[i].checked=true;
+            }
+        }
+    }
 
-# ----------------------------------------------------------- Set document type
+    function checksec() {
+	for (i=0; i<document.forms.compemail.elements.length; i++) {
+            if 
+          (document.forms.compemail.elements[i].name.indexOf
+           ('send_to_&&&'+document.forms.compemail.chksec.value)==0) {
+	      document.forms.compemail.elements[i].checked=true;
+            }
+        }
+    }
 
-  $r->content_type('text/html');
-  $r->send_http_header;
+    function uncheckall() {
+	for (i=0; i<document.forms.compemail.elements.length; i++) {
+            if 
+          (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
+	      document.forms.compemail.elements[i].checked=false;
+            }
+        }
+    }
+</script>
+<input type=button onClick="checkall()" value="Check for All">&nbsp;
+<input type=button onClick="checksec()" value="Check for Section/Group">
+<input type=text size=5 name=chksec>&nbsp;
+<input type=button onClick="uncheckall()" value="Check for None">
+<p>
+ENDDISHEADER
+    foreach (sort keys %courselist) {
+        my ($end,$start)=split(/\:/,$courselist{$_});
+        my $active=1;
+        if (($end) && ($now>$end)) { $active=0; }
+        if ($active) {
+           my ($sname,$sdom)=split(/\:/,$_);
+           my %reply=&Apache::lonnet::get('environment',
+              ['firstname','middlename','lastname','generation'],
+              $sdom,$sname);
+           my $section=&Apache::lonnet::usection
+	       ($sdom,$sname,$ENV{'request.course.id'});
+           $r->print(
+        '<br><input type=checkbox name="send_to_&&&'.$section.'&&&_'.$_.'"> '.
+		      $reply{'firstname'}.' '. 
+                      $reply{'middlename'}.' '.
+                      $reply{'lastname'}.' '.
+                      $reply{'generation'}.
+                      ' ('.$_.') '.$section);
+        } 
+    }
+}
 
-  return OK if $r->header_only;
+# ==================================================== Display Critical Message
 
-# --------------------------- Get query string for limited number of parameters
+sub discrit {
+    my $r=shift;
+    my $header = '<h1><font color=red>Critical Messages</font></h1>'.
+        '<form action=/adm/email method=post>'.
+        '<input type=hidden name=confirm value=true>';
+    my %what=&Apache::lonnet::dump('critical');
+    my $result = '';
+    foreach (sort keys %what) {
+        my %content=&unpackagemsg($what{$_});
+        next if ($content{'senderdomain'} eq '');
+        $content{'message'}=~s/\n/\<br\>/g;
+        $result.='<hr>From: <b>'.
+&Apache::loncommon::aboutmewrapper(
+ &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
+$content{'sendername'}.'@'.
+            $content{'senderdomain'}.') '.$content{'time'}.
+            '<br>Subject: '.$content{'subject'}.
+            '<br><blockquote>'.
+              &Apache::lontexconvert::msgtexconverted($content{'message'}).
+            '</blockquote>'.
+            '<input type=submit name="rec_'.$_.'" value="Confirm Receipt">'.
+            '<input type=submit name="reprec_'.$_.'" '.
+                  'value="Confirm Receipt and Reply">';
+    }
+    # Check to see if there were any messages.
+    if ($result eq '') {
+        $result = "<h2>You have no critical messages.</h2>";
+    } else {
+        $r->print($header);
+    }
+    $r->print($result);
+    $r->print('<input type=hidden name="displayedcrit" value="true"></form>');
+}
 
-    map {
-       my ($name, $value) = split(/=/,$_);
-       $value =~ tr/+/ /;
-       $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
-       if (($name eq 'display') || ($name eq 'replyto') || 
-           ($name eq 'forward') || ($name eq 'mark') ||
-           ($name eq 'sendreply')) {
-           unless ($ENV{'form.'.$name}) {
-              $ENV{'form.'.$name}=$value;
-	   }
-       }
-    } (split(/&/,$ENV{'QUERY_STRING'}));
+# =============================================================== Compose reply
 
-# --------------------------------------------------------------- Render Output
-  
-  $r->print('<html><head><title>EMail and Messaging</title></head>');
-  $r->print(
-   '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
-  $r->print('<h1>EMail</h1>');
-  if ($ENV{'form.display'}) {
-      my $msgid=$ENV{'form.display'};
-      &statuschange($msgid,'read');
-      my %message=&Apache::lonnet::get('nohist_email',$msgid);
-      my %content=&unpackagemsg($message{$msgid});
-      $r->print('<b>Subject:</b> '.$content{'subject'}.
-             '<br><b>From:</b> '.$content{'sendername'}.' at '.
-                                 $content{'senderdomain'}.
-             '<br><b>Time:</b> '.$content{'time'}.'<hr>Functions: '.
-             '<a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).
-             '"><b>Reply</b></a><hr><pre>'.
-             $content{'message'}.'</pre><hr>'.$content{'citation'});
-  } elsif ($ENV{'form.replyto'}) {
-      my $msgid=$ENV{'form.replyto'};
-      my %message=&Apache::lonnet::get('nohist_email',$msgid);
-      my %content=&unpackagemsg($message{$msgid});
+sub comprep {
+    my ($r,$msgid)=@_;
+      my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
+      my %content=&unpackagemsg($message{$msgid},1);
       my $quotemsg='> '.$content{'message'};
       $quotemsg=~s/\r/\n/g;
       $quotemsg=~s/\f/\n/g;
       $quotemsg=~s/\n+/\n\> /g;
       my $subject='Re: '.$content{'subject'};
+      my $dispcrit='';
+      if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
+         $dispcrit=
+ '<input type=checkbox name=critmsg> Send as critical message ' . $crithelp . 
+ '<br>'.
+ '<input type=checkbox name=sendbck> Send as critical message ' .
+ ' and return receipt' . $crithelp . '<p>';
+      }
       $r->print(<<"ENDREPLY");
 <form action="/adm/email" method=post>
 <input type=hidden name=sendreply value="$msgid">
 Subject: <input type=text size=50 name=subject value="$subject"><p>
-<textarea name=message cols=60 rows=10>
+<textarea name=message cols=84 rows=10 wrap=hard>
 $quotemsg
 </textarea><p>
+$dispcrit
 <input type=submit value="Send Reply">
 </form>
 ENDREPLY
-  } elsif ($ENV{'form.sendreply'}) {
-      my $msgid=$ENV{'form.sendreply'};
-      my %message=&Apache::lonnet::get('nohist_email',$msgid);
-      my %content=&unpackagemsg($message{$msgid});
-      &statuschange($msgid,'replied');
-      $r->print('Sending: '.&user_normal_msg($content{'sendername'},
-                                 $content{'senderdomain'},
-                                 $ENV{'form.subject'},
-                                 $ENV{'form.message'}));
-  } elsif ($ENV{'form.forward'}) {
-  } elsif ($ENV{'form.mark'}) {
-  } else {
-    $r->print('<table border=2><tr><th>&nbsp</th><th>Date</th>'.
+}
+
+# ======================================================== Display all messages
+
+sub disall {
+    my $r=shift;
+     $r->print(<<ENDDISHEADER);
+<script>
+    function checkall() {
+	for (i=0; i<document.forms.disall.elements.length; i++) {
+            if 
+          (document.forms.disall.elements[i].name.indexOf('delmark_')==0) {
+	      document.forms.disall.elements[i].checked=true;
+            }
+        }
+    }
+
+    function uncheckall() {
+	for (i=0; i<document.forms.disall.elements.length; i++) {
+            if 
+          (document.forms.disall.elements[i].name.indexOf('delmark_')==0) {
+	      document.forms.disall.elements[i].checked=false;
+            }
+        }
+    }
+</script>
+ENDDISHEADER
+   $r->print(
+ '<h1>Display All Messages</h1><form method=post name=disall '.
+ 'action="/adm/email">'.
+     '<table border=2><tr><th colspan=2>&nbsp</th><th>Date</th>'.
      '<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
-    map {
+    foreach (sort split(/\&/,&Apache::lonnet::reply('keys:'.
+					$ENV{'user.domain'}.':'.
+                                        $ENV{'user.name'}.':nohist_email',
+                                        $ENV{'user.home'}))) {
         my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
 	    &Apache::lonmsg::unpackmsgid($_);
-        if ($status eq 'new') {
-	    $r->print('<tr bgcolor="#FFBB77">');
-        } elsif ($status eq 'read') {
-	    $r->print('<tr bgcolor="#BBBB77">');
-        } elsif ($status eq 'replied') {
-	    $r->print('<tr bgcolor="#AAAA88">');
-	} else {
-	    $r->print('<tr bgcolor="#99BBBB">');
-        }
-        $r->print('<td><a href="/adm/email?display='.$_.
-                  '">Open</a></td><td>'.localtime($sendtime).'</td><td>'.
-                  $fromname.'</td><td>'.$fromdomain.'</td><td>'.
+	if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
+	    if ($status eq 'new') {
+		$r->print('<tr bgcolor="#FFBB77">');
+	    } elsif ($status eq 'read') {
+		$r->print('<tr bgcolor="#BBBB77">');
+	    } elsif ($status eq 'replied') {
+		$r->print('<tr bgcolor="#AAAA88">');
+	    } else {
+		$r->print('<tr bgcolor="#99BBBB">');
+	    }
+	    $r->print('<td><a href="/adm/email?display='.$_.
+		      '">Open</a></td><td><a href="/adm/email?markdel='.$_.
+		      '">Delete</a><input type=checkbox name="delmark_'.$_.'"></td>'.
+		      '<td>'.localtime($sendtime).'</td><td>'.
+		      $fromname.'</td><td>'.$fromdomain.'</td><td>'.
 		      &Apache::lonnet::unescape($shortsubj).'</td><td>'.
                       $status.'</td></tr>');
-    } sort split(/\&/,&Apache::lonnet::reply('keys:'.
-					$ENV{'user.domain'}.':'.
-                                        $ENV{'user.name'}.':nohist_email',
-                                        $ENV{'user.home'}));
-    $r->print('</table></body></html>');
+	}
+    }
+    $r->print('</table><p>'.
+              '<a href="javascript:checkall()">Check All</a>&nbsp;'.
+              '<a href="javascript:uncheckall()">Uncheck All</a><p>'.
+              '<input type=submit name="markeddel" value="Delete Checked">'.
+              '</form></body></html>');
+}
+
+# ============================================================== Compose output
+
+sub compout {
+    my ($r,$forwarding,$broadcast)=@_;
+      my $dispcrit='';
+    my $dissub='';
+    my $dismsg='';
+    my $func='Send New';
+      if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
+         $dispcrit=
+ '<input type=checkbox name=critmsg> Send as critical message ' . $crithelp . 
+ '<br>'.
+ '<input type=checkbox name=sendbck> Send as critical message ' .
+ ' and return receipt' . $crithelp . '<p>';
+      }
+    if ($forwarding) {
+       $dispcrit.='<input type=hidden name=forwid value="'.
+	   $forwarding.'">';
+       $func='Forward';
+      my %message=&Apache::lonnet::get('nohist_email',[$forwarding]);
+      my %content=&unpackagemsg($message{$forwarding});
+
+       $dissub='Forwarding: '.$content{'subject'};
+       $dismsg='Forwarded message from '.
+	   $content{'sendername'}.' at '.$content{'senderdomain'};
+    }
+    my $defdom=$ENV{'user.domain'};
+    if ($ENV{'form.recdom'}) { $defdom=$ENV{'form.recdom'}; }
+      $r->print(
+                '<form action="/adm/email"  name="compemail" method="post"'.
+                ' enctype="multipart/form-data">'."\n".
+                '<input type="hidden" name="sendmail" value="on">'."\n".
+                '<table>');
+    unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {
+        my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
+        my $selectlink=&Apache::loncommon::selectstudent_link
+	    ('compemail','recuname','recdomain');
+       $r->print(<<"ENDREC");
+<table>
+<tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recname'}"></td><td rowspan="2">$selectlink</td></tr>
+<tr><td>Domain:</td>
+<td>$domform</td></tr>
+ENDREC
+    }
+    my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
+    if ($broadcast ne 'upload') {
+       $r->print(<<"ENDCOMP");
+<tr><td>Additional Recipients<br><tt>username\@domain,username\@domain, ...
+</tt></td><td>
+<input type=text size=50 name=additionalrec></td></tr>
+<tr><td>Subject:</td><td><input type=text size=50 name=subject value="$dissub">
+</td></tr></table>
+$latexHelp
+<textarea name=message cols=80 rows=10 wrap=hard>$dismsg
+</textarea><p>
+$dispcrit
+<input type=submit value="$func Mail">
+ENDCOMP
+    } else { # $broadcast is 'upload'
+	$r->print(<<ENDUPLOAD);
+<input type=hidden name=sendmode value=upload>
+<h3>Generate messages from a file</h3>
+<p>
+Subject: <input type=text size=50 name=subject>
+</p>
+<p>General message text<br />
+<textarea name=message cols=60 rows=10 wrap=hard>$dismsg
+</textarea></p>
+<p>
+The file format for the uploaded portion of the message is:
+<pre>
+username1\@domain1: text
+username2\@domain2: text
+username3\@domain1: text
+</pre>
+</p>
+<p>
+The messages will be assembled from all lines with the respective 
+<tt>username\@domain</tt>, and appended to the general message text.</p>
+<p>
+<input type=file name=upfile size=20><p>
+$dispcrit
+<input type=submit value="Upload and send">
+ENDUPLOAD
+    }
+    if ($broadcast eq 'group') {
+       &discourse;
+    }
+    $r->print('</form>');
+}
+
+# ---------------------------------------------------- Display all face to face
+
+sub disfacetoface {
+    my ($r,$user,$domain)=@_;
+    unless ($ENV{'request.course.id'}) { return; }
+    unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+	return;
+    }
+    my %records=&Apache::lonnet::dump('nohist_email',
+			 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+			 $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+                         '%255b'.$user.'%253a'.$domain.'%255d');
+    my $result='';
+    foreach (sort keys %records) {
+        my %content=&unpackagemsg($records{$_});
+        next if ($content{'senderdomain'} eq '');
+        $content{'message'}=~s/\n/\<br\>/g;
+        if ($content{'subject'}=~/^Record/) {
+	    $result.='<h3>Record</h3>';
+        } else {
+            $result.='<h3>Sent Message</h3>';
+            %content=&unpackagemsg($content{'message'});
+            $content{'message'}=
+                '<b>Subject: '.$content{'subject'}.'</b><br />'.
+		$content{'message'};
+        }
+        $result.='By: <b>'.
+&Apache::loncommon::aboutmewrapper(
+ &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
+$content{'sendername'}.'@'.
+            $content{'senderdomain'}.') '.$content{'time'}.
+            '<br><blockquote>'.
+              &Apache::lontexconvert::msgtexconverted($content{'message'}).
+	      '</blockquote>';
+     }
+    # Check to see if there were any messages.
+    if ($result eq '') {
+        $r->print("<p><b>No notes, face-to-face discussion records, or critical messages in this course.</b></p>");
+    } else {
+       $r->print($result);
+    }
+}
+
+# ---------------------------------------------------------------- Face to face
+
+sub facetoface {
+    my ($r,$stage)=@_;
+    unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+	return;
+    }
+# from query string
+    if ($ENV{'form.recname'}) { $ENV{'form.recuname'}=$ENV{'form.recname'}; }
+    if ($ENV{'form.recdom'}) { $ENV{'form.recdomain'}=$ENV{'form.recdom'}; }
+
+    my $defdom=$ENV{'user.domain'};
+# already filled in
+    if ($ENV{'form.recdomain'}) { $defdom=$ENV{'form.recdomain'}; }
+# generate output
+    my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
+    my $stdbrws = &Apache::loncommon::selectstudent_link
+	('stdselect','recuname','recdomain');
+    $r->print(<<"ENDTREC");
+<h3>User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course</h3>
+<form method="post" action="/adm/email" name="stdselect">
+<input type="hidden" name="recordftf" value="retrieve" />
+<table>
+<tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recuname'}"></td>
+<td rowspan="2">
+$stdbrws
+<input type="submit" value="Retrieve discussion and message records"></td>
+</tr>
+<tr><td>Domain:</td>
+<td>$domform</td></tr>
+</table>
+</form>
+ENDTREC
+    if (($stage ne 'query') &&
+        ($ENV{'form.recdomain'}) && ($ENV{'form.recuname'})) {
+        chomp($ENV{'form.newrecord'});
+        if ($ENV{'form.newrecord'}) {
+           &user_normal_msg_raw(
+            $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+            'Record ['.$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}.']',
+	    $ENV{'form.newrecord'});
+        }
+        $r->print('<h3>'.&Apache::loncommon::plainname($ENV{'form.recuname'},
+				     $ENV{'form.recdomain'}).'</h3>');
+        &disfacetoface($r,$ENV{'form.recuname'},$ENV{'form.recdomain'});
+	$r->print(<<ENDRHEAD);
+<form method="post" action="/adm/email">
+<input name="recdomain" value="$ENV{'form.recdomain'}" type="hidden" />
+<input name="recuname" value="$ENV{'form.recuname'}" type="hidden" />
+ENDRHEAD
+        $r->print(<<ENDBFORM);
+<hr />New Record (record is visible to course faculty and staff)<br />
+<textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>
+<br />
+<input type="hidden" name="recordftf" value="post" />
+<input type="submit" value="Post this record" />
+</form>
+ENDBFORM
+    }
+}
+
+# ===================================================================== Handler
+
+sub handler {
+    my $r=shift;
+
+# ----------------------------------------------------------- Set document type
+
+  $r->content_type('text/html');
+  $r->send_http_header;
 
+  return OK if $r->header_only;
+
+# --------------------------- Get query string for limited number of parameters
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+        ['display','replyto','forward','markread','markdel','markunread',
+         'sendreply','compose','sendmail','critical','recname','recdom',
+         'recordftf']);
+
+# ------------------------------------------------------ They checked for email
+  &Apache::lonnet::put('email_status',{'recnewemail'=>0});
+# --------------------------------------------------------------- Render Output
+  if (!$ENV{'form.display'}) {
+      $r->print('<html><head><title>EMail and Messaging</title>'.
+		&Apache::loncommon::studentbrowser_javascript().'</head>'.
+		&Apache::loncommon::bodytag('EMail and Messages'));
+  }
+  if ($ENV{'form.display'}) {
+      my $msgid=$ENV{'form.display'};
+      &statuschange($msgid,'read');
+      my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
+      my %content=&unpackagemsg($message{$msgid});
+      $r->print('<html><head><title>EMail and Messaging</title>');
+      if (defined($content{'baseurl'})) {
+	  $r->print("<base href=\"http://$ENV{'SERVER_NAME'}/$content{'baseurl'}\" />");
+      }
+      $r->print(&Apache::loncommon::studentbrowser_javascript().
+		'</head>'.
+		&Apache::loncommon::bodytag('EMail and Messages'));
+      $r->print('<b>Subject:</b> '.$content{'subject'}.
+             '<br><b>From:</b> '.
+&Apache::loncommon::aboutmewrapper(
+&Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),
+$content{'sendername'},$content{'senderdomain'}).' ('.
+                                 $content{'sendername'}.' at '.
+                                 $content{'senderdomain'}.') '.
+             '<br><b>Time:</b> '.$content{'time'}.'<p>'.
+             '<table border=2><tr bgcolor="#FFFFAA"><td>Functions:</td>'.
+           '<td><a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).
+             '"><b>Reply</b></a></td>'.
+           '<td><a href="/adm/email?forward='.&Apache::lonnet::escape($msgid).
+             '"><b>Forward</b></a></td>'.
+        '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).
+             '"><b>Mark Unread</b></a></td>'.
+        '<td><a href="/adm/email?markdel='.&Apache::lonnet::escape($msgid).
+             '"><b>Delete</b></a></td>'.
+        '<td><a href="/adm/email"><b>Display all Messages</b></a></td>'.
+             '</tr></table><p><pre>'.
+             &Apache::lontexconvert::msgtexconverted($content{'message'}).
+             '</pre><hr>'.$content{'citation'});
+  } elsif ($ENV{'form.replyto'}) {
+      &comprep($r,$ENV{'form.replyto'});
+  } elsif ($ENV{'form.sendreply'}) {
+      my $msgid=$ENV{'form.sendreply'};
+      my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
+      my %content=&unpackagemsg($message{$msgid},1);
+      &statuschange($msgid,'replied');
+      if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
+          (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
+         $r->print('Sending critical: '.
+                &user_crit_msg($content{'sendername'},
+                                 $content{'senderdomain'},
+                                 &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),
+                                 &Apache::lonfeedback::clear_out_html($ENV{'form.message'}),
+                                 $ENV{'form.sendbck'}));
+      } else {
+         $r->print('Sending: '.&user_normal_msg($content{'sendername'},
+                                 $content{'senderdomain'},
+                                 &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),
+                                 &Apache::lonfeedback::clear_out_html($ENV{'form.message'})));
+      }
+      if ($ENV{'form.displayedcrit'}) {
+          &discrit($r);
+      } else {
+	  &disall($r);
+      }
+  } elsif ($ENV{'form.confirm'}) {
+      foreach (keys %ENV) {
+          if ($_=~/^form\.rec\_(.*)$/) {
+	      $r->print('<b>Confirming Receipt:</b> '.
+                        &user_crit_received($1).'<br>');
+          }
+          if ($_=~/^form\.reprec\_(.*)$/) {
+              my $msgid=$1;
+	      $r->print('<b>Confirming Receipt:</b> '.
+                        &user_crit_received($msgid).'<br>');
+              &comprep($r,$msgid);
+          }
+      }
+      &discrit($r);
+  } elsif ($ENV{'form.critical'}) {
+      &discrit($r);
+  } elsif ($ENV{'form.forward'}) {
+      &compout($r,$ENV{'form.forward'});
+  } elsif ($ENV{'form.markread'}) {
+  } elsif ($ENV{'form.markdel'}) {
+      &statuschange($ENV{'form.markdel'},'deleted');
+      &disall($r);
+  } elsif ($ENV{'form.markeddel'}) {
+      my $total=0;
+      foreach (keys %ENV) {
+          if ($_=~/^form\.delmark_(.*)$/) {
+	      &statuschange(&Apache::lonnet::unescape($1),'deleted');
+              $total++;
+          }
+      }
+      $r->print('Deleted '.$total.' message(s)<p>');
+      &disall($r);
+  } elsif ($ENV{'form.markunread'}) {
+      &statuschange($ENV{'form.markunread'},'new');
+      &disall($r);
+  } elsif ($ENV{'form.compose'}) {
+      &compout($r,'',$ENV{'form.compose'});
+  } elsif ($ENV{'form.recordftf'}) {
+      &facetoface($r,$ENV{'form.recordftf'});
+  } elsif ($ENV{'form.sendmail'}) {
+      my %content=();
+      undef %content;
+      if ($ENV{'form.forwid'}) {
+        my $msgid=$ENV{'form.forwid'};
+        my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
+        %content=&unpackagemsg($message{$msgid},1);
+        &statuschange($msgid,'forwarded');
+        $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
+	                       $content{'message'};
+      }
+      my %toaddr=();
+      undef %toaddr;
+      if ($ENV{'form.sendmode'} eq 'group') {
+          foreach (keys %ENV) {
+	      if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
+		  $toaddr{$1}='';
+              }
+          }
+      } elsif ($ENV{'form.sendmode'} eq 'upload') {
+          foreach (split(/[\n\r\f]+/,$ENV{'form.upfile'})) {
+              my ($rec,$txt)=split(/\s*\:\s*/,$_);
+              if ($txt) {
+		  $rec=~s/\@/\:/;
+                  $toaddr{$rec}.=$txt."\n";
+              }
+          }
+      } else {
+	  $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}='';
+      }
+      if ($ENV{'form.additionalrec'}) {
+	  foreach (split(/\,/,$ENV{'form.additionalrec'})) {
+              my ($auname,$audom)=split(/\@/,$_);
+              $toaddr{$auname.':'.$audom}='';
+          }
+      }
+    foreach (keys %toaddr) {
+      my ($recuname,$recdomain)=split(/\:/,$_);
+      my $msgtxt=&Apache::lonfeedback::clear_out_html($ENV{'form.message'});
+      if ($toaddr{$_}) { $msgtxt.='<hr>'.$toaddr{$_}; }    
+      if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
+          (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
+         $r->print('Sending critical: '.
+                &user_crit_msg($recuname,$recdomain,
+               &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),
+                                 $msgtxt,
+                                 $ENV{'form.sendbck'}));
+      } else {
+         $r->print('Sending: '.&user_normal_msg($recuname,$recdomain,
+              &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),
+                                 $msgtxt,
+                                 $content{'citation'}));
+      }
+      $r->print('<br>');
+    }
+      if ($ENV{'form.displayedcrit'}) {
+          &discrit($r);
+      } else {
+	  &disall($r);
+      }
+  } else {
+      &disall($r);
   }
   $r->print('</body></html>');
   return OK;
@@ -305,7 +961,7 @@ ENDREPLY
 }
 # ================================================= Main program, reset counter
 
-sub BEGIN {
+BEGIN {
     $msgcount=0;
 }