--- loncom/interface/lonchatfetch.pm 2003/03/29 01:39:10 1.9
+++ loncom/interface/lonchatfetch.pm 2005/04/07 06:56:22 1.17
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Chat Fetching
#
-# $Id: lonchatfetch.pm,v 1.9 2003/03/29 01:39:10 www Exp $
+# $Id: lonchatfetch.pm,v 1.17 2005/04/07 06:56:22 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,7 +29,7 @@
package Apache::lonchatfetch;
use strict;
-use Apache::Constants qw(:common);
+use Apache::Constants qw(:common :http);
use Apache::lontexconvert;
use Apache::loncommon;
use Apache::lonnet;
@@ -37,32 +37,45 @@ use Apache::lonnet;
sub handler {
my $r = shift;
+ if (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
+ ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
+ ) {
+ return HTTP_NOT_ACCEPTABLE;
+ }
+
my $loaderror=&Apache::lonnet::overloaderror($r);
if ($loaderror) { return $loaderror; }
$loaderror=
&Apache::lonnet::overloaderror($r,
- $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
+ $env{'course.'.$env{'request.course.id'}.'.home'});
if ($loaderror) { return $loaderror; }
- $r->content_type('text/html');
+ &Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
# ------------------------------------------------------------ retrieve entries
- my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
- my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
- my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
+ my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
+ my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
my @entries=split(/\:/,
&Apache::lonnet::reply(
- "chatretr:$cdom:$cnum:$ENV{'user.domain'}:$ENV{'user.name'}",$chome));
- my ($lastid)=($entries[$#entries]=~/^(\w+)/);
- my ($thentime,$idnum)=split(/\_/,$lastid);
+ "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}",$chome));
+# Figure out what the last valid entry-id is
+ my ($lastid,$thentime,$idnum);
+ foreach (@entries) {
+ $_=~/^(\w+)/;
+ if ($1 ne 'active_participant') {
+ $lastid=$1;
+ ($thentime,$idnum)=split(/\_/,$lastid);
+ }
+ }
# ----------------------------------------------------------- Can see identity?
- my $crs='/'.$ENV{'request.course.id'};
- if ($ENV{'request.course.sec'}) {
- $crs.='_'.$ENV{'request.course.sec'};
+ my $crs='/'.$env{'request.course.id'};
+ if ($env{'request.course.sec'}) {
+ $crs.='_'.$env{'request.course.sec'};
}
$crs=~s/\_/\//g;
my $seeid=&Apache::lonnet::allowed('rin',$crs);
@@ -71,17 +84,19 @@ sub handler {
my $include=0;
my $newstuff='';
my $bottomid='';
- unless ($ENV{'form.lastid'}) {
+ unless ($env{'form.lastid'}) {
$include=1;
- $newstuff='';
+ my $html=&Apache::lonxml::xmlbegin();
+ $newstuff=$html.'';
}
my @participants=();
foreach (@entries) {
my ($id,$msg,$udom)=split(/\:/,&Apache::lonnet::unescape($_));
if ($id eq 'active_participant') {
chomp($udom);
- $participants[$#participants+1]=
- &Apache::loncommon::nickname($msg,$udom);
+ my $participant= &Apache::loncommon::nickname($msg,$udom);
+ unless ($participant=~/\w/) { $participant=$msg.'@'.$udom; }
+ $participants[$#participants+1]=$participant;
} elsif ($include) {
chomp($msg);
my ($msgtime,$msgnum)=split(/\_/,$id);
@@ -89,7 +104,12 @@ sub handler {
&Apache::lonnet::unescape($msg));
$contrib=&Apache::lonnet::unescape($contrib);
$contrib=~s/\n/\
/g;
- $contrib=&Apache::lontexconvert::msgtexconverted($contrib);
+ ($contrib,my $errors)=&Apache::lontexconvert::msgtexconverted($contrib);
+ if ($errors) { $contrib.="[Message not fully displayed due to incorrect embedded TeX]"; }
+ if ($errors && $snum eq $env{'user.name'} &&
+ $sdom eq $env{'user.domain'} ) {
+ $contrib.="
[TeX error message: $errors]";
+ }
$contrib=~s/\n/ /g;
$contrib=~s/\'/\&\#39\;/g;
my $sender='';
@@ -99,14 +119,16 @@ sub handler {
if (($nick) && ($nick ne $sender)) {
$sender.=' '.$nick;
}
+ unless ($sender) { $sender=$snum.'@'.$sdom; }
if ($anon) { $sender.=' [Anon]' };
} elsif (!$anon) {
$sender=&Apache::loncommon::nickname($snum,$sdom);
+ unless ($sender) { $sender=$snum.'@'.$sdom; }
} else {
$sender=&Apache::loncommon::screenname($snum,$sdom);
unless ($sender) { $sender="Anonymous"; }
}
- $sender=~s/\'/\"/g;
+ $sender=~s/\'/\&\#39\;/g;
my $color=$sender;
$color=~tr/a-j/0-9/;
$color=~tr/A-J/0-9/;
@@ -124,12 +146,13 @@ sub handler {
$bottomid=$id;
} else {
$_=~/^(\w+)/;
- if ($1 eq $ENV{'form.lastid'}) { $include=1; }
+ if ($1 eq $env{'form.lastid'}) { $include=1; }
}
}
my $participant_output=join('
',sort @participants);
+ my $html=&Apache::lonxml::xmlbegin();
$r->print(<
+$html
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