--- loncom/interface/lonchatfetch.pm 2006/06/27 00:12:23 1.27
+++ loncom/interface/lonchatfetch.pm 2021/11/30 15:55:37 1.40
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Chat Fetching
#
-# $Id: lonchatfetch.pm,v 1.27 2006/06/27 00:12:23 albertel Exp $
+# $Id: lonchatfetch.pm,v 1.40 2021/11/30 15:55:37 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -34,6 +34,7 @@ use Apache::lontexconvert;
use Apache::loncommon;
use Apache::lonnet;
use Apache::longroup;
+use Apache::lonlocal;
use lib '/home/httpd/lib/perl/';
use LONCAPA;
@@ -48,8 +49,10 @@ sub handler {
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
if (defined($env{'form.group'})) {
$group = $env{'form.group'};
- if (! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'.
- $group) ) {
+ if ((! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'.
+ $group)) &&
+ (! &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
+ ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
return HTTP_NOT_ACCEPTABLE;
}
my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
@@ -60,19 +63,12 @@ sub handler {
''.&unescape($group_info{description}).
'
';
}
- } elsif (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
+ } elsif (! &Apache::lonnet::allowed('plc',$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'});
- if ($loaderror) { return $loaderror; }
-
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
@@ -87,8 +83,8 @@ sub handler {
$chome));
# Figure out what the last valid entry-id is
my ($lastid,$thentime,$idnum);
- foreach (@entries) {
- $_=~/^(\w+)/;
+ foreach my $entry (@entries) {
+ $entry =~/^(\w+)/;
if ($1 ne 'active_participant') {
$lastid=$1;
($thentime,$idnum)=split(/\_/,$lastid);
@@ -98,30 +94,24 @@ sub handler {
my $seeid = &get_seeid_status();
# -------------------------------------------------------- see which ones apply
my $include=0;
+ my $header;
my $newstuff='';
my $bottomid='';
unless ($env{'form.lastid'}) {
$include=1;
- $newstuff .=
+ $header =
&Apache::loncommon::start_page(undef,undef,
{'only_body' => 1,
'bgcolor' => '#FFFFFF',
'js_ready' => 1,});
- # removing the CSS reference for now
- # see BUG# 4839
- # to fix, need to either write the whole webpage to the bottom frame
- # everytime or store the page in a js variable somewhere.
- # although in tryng both of these ideas, the .scroll to
- # the bottom seems to fail.
- $newstuff =~ s|()||;
}
my @participants=();
- foreach (@entries) {
- my ($id,$msg,$udom)=split(/\:/,&unescape($_));
+ foreach my $entry (@entries) {
+ my ($id,$msg,$udom)=split(/\:/,&unescape($entry));
if ($id eq 'active_participant') {
chomp($udom);
my $participant= &Apache::loncommon::nickname($msg,$udom);
- unless ($participant=~/\w/) { $participant=$msg.'@'.$udom; }
+ unless ($participant=~/\w/) { $participant=$msg.':'.$udom; }
$participants[$#participants+1]=$participant;
} elsif ($include) {
chomp($msg);
@@ -131,10 +121,16 @@ sub handler {
$contrib=&unescape($contrib);
&Apache::lonfeedback::newline_to_br(\$contrib);
($contrib,my $errors)=&Apache::lontexconvert::msgtexconverted($contrib);
- if ($errors) { $contrib.="[Message not fully displayed due to incorrect embedded TeX]"; }
+ if ($errors) {
+ $contrib.=' '
+ .&mt('(Message not fully displayed due to incorrect embedded TeX.)')
+ .'';
+ }
if ($errors && $snum eq $env{'user.name'} &&
$sdom eq $env{'user.domain'} ) {
- $contrib.="
[TeX error message: $errors]";
+ $contrib.='
'
+ .&mt('TeX error message: [_1]',$errors)
+ .'';
}
$contrib=~s/\n/ /g;
$contrib=~s/\'/\&\#39\;/g;
@@ -145,14 +141,14 @@ sub handler {
if (($nick) && ($nick ne $sender)) {
$sender.=' '.$nick;
}
- unless ($sender) { $sender=$snum.'@'.$sdom; }
+ unless ($sender) { $sender=$snum.':'.$sdom; }
if ($anon) { $sender.=' [Anon]' };
} elsif (!$anon) {
$sender=&Apache::loncommon::nickname($snum,$sdom);
- unless ($sender) { $sender=$snum.'@'.$sdom; }
+ unless ($sender) { $sender=$snum.':'.$sdom; }
} else {
$sender=&Apache::loncommon::screenname($snum,$sdom);
- unless ($sender) { $sender="Anonymous"; }
+ unless ($sender) { $sender=&mt("Anonymous"); }
}
$sender=~s/\'/\&\#39\;/g;
my $color=$sender;
@@ -166,12 +162,12 @@ sub handler {
$color=substr($color,0,6);
my $timestamp=localtime($msgtime);
my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/);
- $newstuff.=''.
+ $newstuff.=''.
$sender.' ('.$mhour.':'.$mmin.':'.$msec.'): '.
- $contrib."
";
+ $contrib."
";
$bottomid='LC_'.$id;
} else {
- $_=~/^(\w+)/;
+ $entry=~/^(\w+)/;
if ($1 eq $env{'form.lastid'}) { $include=1; }
}
}
@@ -180,15 +176,28 @@ sub handler {
if (defined($group)) {
$refresh_cmd .= "&group=$group";
}
- my $start_page =
- &Apache::loncommon::start_page('Chat',undef,
- {'redirect' => [5,$refresh_cmd],
- 'only_body' => 1,});
+ my $headarg;
+ my $clientip = &Apache::lonnet::get_requestor_ip($r);
+ my ($blocked,$blocktext) = &blockstatus($clientip);
+ if ($blocked) {
+ $newstuff = $blocktext;
+ $headarg = {'only_body' => 1,};
+
+ $r->print(<
+ parent.location.href="/adm/blockingstatus/?activity=chat"
+
+ENDSCRIPT
+ } else {
+ $headarg = {'redirect' => [5,$refresh_cmd,1],
+ 'only_body' => 1,};
+ }
+ my $start_page = &Apache::loncommon::start_page('Chat Room',undef,$headarg);
my $end_page = &Apache::loncommon::end_page();
$r->print(<
-parent.chatout.document.writeln('$newstuff');
+parent.chatout.document.writeln('$header$newstuff');
parent.chatout.scroll(0,10000000);
$grouptitle
@@ -213,5 +222,42 @@ sub get_seeid_status {
return $seeid;
}
+sub blockstatus {
+ my ($clientip) = @_;
+ my ($blocked,$output);
+ my %setters;
+ my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
+ &Apache::loncommon::blockcheck(\%setters,'chat',$clientip);
+ if ($startblock && $endblock) {
+ $blocked = 1;
+ my $endblocktime = &Apache::lonlocal::locallocaltime($endblock);
+ $output .= &mt('Chat Room will be unavailable to you until [_1] because communication is blocked in one or more of your courses:',$endblocktime).'
';
+ foreach my $course (keys(%setters)) {
+ my %courseinfo=&Apache::lonnet::coursedescription($course);
+ for (my $i=0; $i<@{$setters{$course}{staff}}; $i++) {
+ my ($uname,$udom) = @{$setters{$course}{staff}[$i]};
+ my $fullname = &Apache::loncommon::plainname($uname,$udom);
+ my ($openblock,$closeblock) = @{$setters{$course}{times}[$i]};
+ $openblock = &Apache::lonlocal::locallocaltime($openblock);
+ $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
+ $output .= &mt('Block for [_1] starts: [_2], ends [_3], set by: [_4]',$courseinfo{'description'},$openblock,$closeblock,$fullname).'
';
+ }
+ }
+ } elsif ($by_ip) {
+ $blocked = 1;
+ my $showdom = &Apache::lonnet::domain($blockdom);
+ if ($showdom eq '') {
+ $showdom = $blockdom;
+ }
+ $output = &mt('Chat Room is unavailable from your current IP address: [_1], '
+ .'because communication is blocked for certain IP address(es).'
+ ,$clientip).
+ '
'.
+ &mt('This restriction was set by an administrator in the [_1] LON-CAPA domain.'
+ ,$showdom);
+ }
+ return ($blocked,$output);
+}
+
1;
__END__