# The LearningOnline Network with CAPA
#
# Routines for messaging
#
# (Routines to control the menu
#
# (TeX Conversion Module
#
# 05/29/00,05/30 Gerd Kortemeyer)
#
# 10/05 Gerd Kortemeyer)
#
# 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
package Apache::lonmsg;
use strict;
use Apache::lonnet();
use vars qw($msgcount);
use HTML::TokeParser;
use Apache::Constants qw(:common);
# ===================================================================== Package
sub packagemsg {
my ($subject,$message,$citation)=@_;
$message=~s/\</\<\;/g;
$message=~s/\>/\>\;/g;
$citation=~s/\</\<\;/g;
$citation=~s/\>/\>\;/g;
$subject=~s/\</\<\;/g;
$subject=~s/\>/\>\;/g;
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>'.
'<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
'<subject>'.$subject.'</subject>'.
'<time>'.localtime($now).'</time>'.
'<servername>'.$ENV{'SERVER_NAME'}.'</servername>'.
'<host>'.$ENV{'HTTP_HOST'}.'</host>'.
'<client>'.$ENV{'REMOTE_ADDR'}.'</client>'.
'<browsertype>'.$ENV{'browser.type'}.'</browsertype>'.
'<browseros>'.$ENV{'browser.os'}.'</browseros>'.
'<browserversion>'.$ENV{'browser.version'}.'</browserversion>'.
'<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.
'<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.
'<courseid>'.$ENV{'request.course.id'}.'</courseid>'.
'<role>'.$ENV{'request.role'}.'</role>'.
'<resource>'.$ENV{'request.filename'}.'</resource>'.
'<msgid>'.$msgid.'</msgid>'.
'<message>'.$message.'</message>'.
'<citation>'.$citation.'</citation>';
}
# ================================================== Unpack message into a hash
sub unpackagemsg {
my $message=shift;
my %content=();
my $parser=HTML::TokeParser->new(\$message);
my $token;
while ($token=$parser->get_token) {
if ($token->[0] eq 'S') {
my $entry=$token->[1];
my $value=$parser->get_text('/'.$entry);
$content{$entry}=$value;
}
}
return %content;
}
# ======================================================= Get info out of msgid
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',[$msgid]);
if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
unless ($status{$msgid}) { $status{$msgid}='new'; }
return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
}
# =============================== Automated message to the author of a resource
sub author_res_msg {
my ($filename,$message)=@_;
unless ($message) { return 'empty'; }
$filename=&Apache::lonnet::declutter($filename);
my ($domain,$author,@dummy)=split(/\//,$filename);
my $homeserver=&Apache::lonnet::homeserver($author,$domain);
if ($homeserver ne 'no_host') {
my $id=unpack("%32C*",$message);
my $msgid;
($msgid,$message)=&packagemsg($filename,$message);
return &Apache::lonnet::reply('put:'.$domain.':'.$author.
':nohist_res_msgs:'.
&Apache::lonnet::escape($filename.'_'.$id).'='.
&Apache::lonnet::escape($message),$homeserver);
}
return 'no_host';
}
# ================================================== Critical message to a user
sub user_crit_msg {
my ($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') {
($msgid,$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);
} else {
$status='no_host';
}
&Apache::lonnet::logthis(
'Sending critical email '.$msgid.
', log status: '.
&Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
$ENV{'user.home'},
'Sending critical '.$msgid.' to '.$user.' at '.$domain.' with status: '
.$status));
return $status;
}
# =================================================== Critical message received
sub user_crit_received {
my $msgid=shift;
my %message=&Apache::lonnet::get('critical',[$msgid]);
my %contents=&unpackagemsg($message{$msgid});
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'}):'no msg req');
$status.=' trans: '.
&Apache::lonnet::put(
'nohist_email',{$contents{'msgid'} => $message{$msgid}});
$status.=' del: '.
&Apache::lonnet::del('critical',[$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)=@_;
# 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') {
($msgid,$message)=&packagemsg($subject,$message,$citation);
$status=&Apache::lonnet::critical(
'put:'.$domain.':'.$user.':nohist_email:'.
&Apache::lonnet::escape($msgid).'='.
&Apache::lonnet::escape($message),$homeserver);
} else {
$status='no_host';
}
&Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
$ENV{'user.home'},
'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
return $status;
}
# =============================================================== Status Change
sub statuschange {
my ($msgid,$newstatus)=@_;
my %status=&Apache::lonnet::get('email_status',[$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 => $newstatus});
}
if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
&Apache::lonnet::put('email_status',{$msgid => $newstatus});
}
}
# ======================================================= 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;
$r->print(<<ENDDISHEADER);
<input type=hidden name=sendmode value=group>
<script>
function checkall() {
for (i=0; i<document.forms.compemail.elements.length; i++) {
if
(document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
document.forms.compemail.elements[i].checked=true;
}
}
}
function checksec() {
for (i=0; i<document.forms.compemail.elements.length; i++) {
if
(document.forms.compemail.elements[i].name.indexOf
('send_to_&&&'+document.forms.compemail.chksec.value)==0) {
document.forms.compemail.elements[i].checked=true;
}
}
}
function uncheckall() {
for (i=0; i<document.forms.compemail.elements.length; i++) {
if
(document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
document.forms.compemail.elements[i].checked=false;
}
}
}
</script>
<input type=button onClick="checkall()" value="Check for All">
<input type=button onClick="checksec()" value="Check for Section/Group">
<input type=text size=5 name=chksec>
<input type=button onClick="uncheckall()" value="Check for None">
<p>
ENDDISHEADER
map {
my ($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);
}
} sort keys %courselist;
}
# ==================================================== Display Critical Message
sub discrit {
my $r=shift;
$r->print('<h1><font color=red>Critical Messages</font></h1>'.
'<form action=/adm/email method=post>'.
'<input type=hidden name=confirm value=true>');
my %what=&Apache::lonnet::dump('critical');
map {
my %content=&unpackagemsg($what{$_});
$content{'message'}=~s/\n/\<br\>/g;
$r->print('<hr>From: <b>'.$content{'sendername'}.'@'.
$content{'senderdomain'}.'</b> ('.$content{'time'}.
')<br><blockquote>'.$content{'message'}.'</blockquote>'.
'<input type=submit name="rec_'.$_.'" value="Confirm Receipt">'.
'<input type=submit name="reprec_'.$_.'" value="Confirm Receipt and Reply">');
} sort keys %what;
$r->print(
'<input type=hidden name="displayedcrit" value="true"></form>');
}
# =============================================================== Compose reply
sub comprep {
my ($r,$msgid)=@_;
my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
my %content=&unpackagemsg($message{$msgid});
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'})) {
$dispcrit=
'<input type=checkbox name=critmsg> Send as critical message<br>'.
'<input type=checkbox name=sendbck> Send as critical message'.
' and return receipt<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=64 rows=10 wrap=hard>
$quotemsg
</textarea><p>
$dispcrit
<input type=submit value="Send Reply">
</form>
ENDREPLY
}
# ======================================================== Display all messages
sub disall {
my $r=shift;
$r->print(
'<h1>Display All Messages</h1><form method=post action="/adm/email">'.
'<table border=2><tr><th colspan=2> </th><th>Date</th>'.
'<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
map {
my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
&Apache::lonmsg::unpackmsgid($_);
unless ($status eq 'deleted') {
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'}));
$r->print('</table><p>'.
'<input type=submit name="markeddel" value="Delete Checked">'.
'</form></body></html>');
}
# ============================================================== Compose output
sub compout {
my ($r,$forwarding,$broadcast)=@_;
my $dispcrit='';
my $dissub='';
my $dismsg='';
my $func='Send New';
if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
$dispcrit=
'<input type=checkbox name=critmsg> Send as critical message<br>'.
'<input type=checkbox name=sendbck> Send as critical message'.
' and return receipt<p>';
}
if ($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'};
$r->print(
'<form action="/adm/email" name="compemail" method=post'.
' enctype="multipart/form-data">'.
'<input type=hidden name=sendmail value=on><table>');
unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {
$r->print(<<"ENDREC");
<table>
<tr><td>Username:</td><td><input type=text size=12 name=recuname></td></tr>
<tr><td>Domain:</td>
<td><input type=text size=12 name=recdomain value="$defdom"></td></tr>
ENDREC
}
unless ($broadcast eq '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>
<textarea name=message cols=60 rows=10 wrap=hard>$dismsg
</textarea><p>
$dispcrit
<input type=submit value="$func Mail">
ENDCOMP
}
if ($broadcast eq 'upload') {
$r->print(<<ENDUPLOAD);
<input type=hidden name=sendmode value=upload>
<h3>Generate messages from a file</h3>
Subject: <input type=text size=50 name=subject>
<pre>
username1\@domain1: text
username2\@domain2: text
username1\@domain1: text
</pre>
The messages will be assembled from all lines with the respective
<tt>username\@domain</tt>, and appended to the general message text.<p>
<input type=file name=upfile size=20><p>
General message text:<p>
<textarea name=message cols=60 rows=10 wrap=hard>$dismsg
</textarea><p>
$dispcrit
<input type=submit value="Upload and send">
ENDUPLOAD
}
if ($broadcast eq 'group') {
&discourse;
}
$r->print('</form>');
}
# ===================================================================== Handler
sub handler {
my $r=shift;
# ----------------------------------------------------------- Set document type
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
# --------------------------- Get query string for limited number of parameters
map {
my ($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') || ($name eq 'markread') ||
($name eq 'markdel') || ($name eq 'markunread') ||
($name eq 'sendreply') || ($name eq 'compose') ||
($name eq 'sendmail') || ($name eq 'critical')) {
unless ($ENV{'form.'.$name}) {
$ENV{'form.'.$name}=$value;
}
}
} (split(/&/,$ENV{'QUERY_STRING'}));
# --------------------------------------------------------------- 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'}.'<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"><b>Display all Messages</b></a></td>'.
'</tr></table><p><pre>'.
$content{'message'}.'</pre><hr>'.$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{$msgid});
&statuschange($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'},
$ENV{'form.subject'},
$ENV{'form.message'},
$ENV{'form.sendbck'}));
} else {
$r->print('Sending: '.&user_normal_msg($content{'sendername'},
$content{'senderdomain'},
$ENV{'form.subject'},
$ENV{'form.message'}));
}
if ($ENV{'form.displayedcrit'}) {
&discrit($r);
} else {
&disall($r);
}
} elsif ($ENV{'form.confirm'}) {
map {
if ($_=~/^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);
}
} keys %ENV;
&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 $total=0;
map {
if ($_=~/^form\.delmark_(.*)$/) {
&statuschange(&Apache::lonnet::unescape($1),'deleted');
$total++;
}
} keys %ENV;
$r->print('Deleted '.$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.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{$msgid});
&statuschange($msgid,'forwarded');
$ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
$content{'message'};
}
my %toaddr=();
undef %toaddr;
if ($ENV{'form.sendmode'} eq 'group') {
map {
if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
$toaddr{$1}='';
}
} keys %ENV;
} elsif ($ENV{'form.sendmode'} eq 'upload') {
map {
my ($rec,$txt)=split(/\s*\:\s*/,$_);
if ($txt) {
$rec=~s/\@/\:/;
$toaddr{$rec}.=$txt."\n";
}
} split(/[\n\r\f]+/,$ENV{'form.upfile'});
} else {
$toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}='';
}
if ($ENV{'form.additionalrec'}) {
map {
my ($auname,$audom)=split(/\@/,$_);
$toaddr{$auname.':'.$audom}='';
} split(/\,/,$ENV{'form.additionalrec'});
}
map {
my ($recuname,$recdomain)=split(/\:/,$_);
my $msgtxt=$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,
$ENV{'form.subject'},
$msgtxt,
$ENV{'form.sendbck'}));
} else {
$r->print('Sending: '.&user_normal_msg($recuname,$recdomain,
$ENV{'form.subject'},
$msgtxt,
$content{'citation'}));
}
$r->print('<br>');
} keys %toaddr;
if ($ENV{'form.displayedcrit'}) {
&discrit($r);
} else {
&disall($r);
}
} else {
&disall($r);
}
$r->print('</body></html>');
return OK;
}
# ================================================= Main program, reset counter
sub BEGIN {
$msgcount=0;
}
1;
__END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>