--- loncom/interface/lonchatfetch.pm 2006/03/23 22:32:10 1.20
+++ 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 1.20 2006/03/23 22:32:10 albertel Exp $
+# $Id: lonchatfetch.pm,v 1.40 2021/11/30 15:55:37 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -33,85 +33,104 @@ use Apache::Constants qw(:common :http);
use Apache::lontexconvert;
use Apache::loncommon;
use Apache::lonnet;
+use Apache::longroup;
+use Apache::lonlocal;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+
sub handler {
my $r = shift;
- if (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['lastid','group']);
+ my ($group,$grouptitle);
+ my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
+ 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'}.'/'.
+ $group)) &&
+ (! &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
+ ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
+ if (%curr_groups) {
+ my %group_info =
+ &Apache::longroup::get_group_settings($curr_groups{$group});
+ $grouptitle =
+ ''.&unescape($group_info{description}).
+ '
';
+ }
+ } 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;
# ------------------------------------------------------------ retrieve entries
- my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
- my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
my $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
my @entries=split(/\:/,
&Apache::lonnet::reply(
- "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}",$chome));
+ "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}:$group",
+ $chome));
# Figure out what the last valid entry-id is
my ($lastid,$thentime,$idnum);
- foreach (@entries) {
- $_=~/^(\w+)/;
+ foreach my $entry (@entries) {
+ $entry =~/^(\w+)/;
if ($1 ne 'active_participant') {
$lastid=$1;
($thentime,$idnum)=split(/\_/,$lastid);
}
}
# ----------------------------------------------------------- Can see identity?
- 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);
+ my $seeid = &get_seeid_status();
# -------------------------------------------------------- see which ones apply
- &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']);
my $include=0;
+ my $header;
my $newstuff='';
my $bottomid='';
unless ($env{'form.lastid'}) {
$include=1;
- $newstuff .=
+ $header =
&Apache::loncommon::start_page(undef,undef,
{'only_body' => 1,
'bgcolor' => '#FFFFFF',
'js_ready' => 1,});
}
my @participants=();
- foreach (@entries) {
- my ($id,$msg,$udom)=split(/\:/,&Apache::lonnet::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($msg);
my ($msgtime,$msgnum)=split(/\_/,$id);
my ($sdom,$snum,$anon,$contrib)=split(/\:/,
- &Apache::lonnet::unescape($msg));
- $contrib=&Apache::lonnet::unescape($contrib);
+ &unescape($msg));
+ $contrib=&unescape($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;
$contrib=~s/\'/\&\#39\;/g;
@@ -122,14 +141,14 @@ sub handler {
if (($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;
@@ -143,32 +162,102 @@ 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."
";
- $bottomid=$id;
+ $contrib."
";
+ $bottomid='LC_'.$id;
} else {
- $_=~/^(\w+)/;
+ $entry=~/^(\w+)/;
if ($1 eq $env{'form.lastid'}) { $include=1; }
}
}
my $participant_output=join('
',sort @participants);
- my $start_page =
- &Apache::loncommon::start_page('Chat',undef,
- {'redirect' => [5,"/adm/chatfetch?lastid=$lastid"],
- 'only_body' => 1,});
+ my $refresh_cmd = "/adm/chatfetch?lastid=$lastid";
+ if (defined($group)) {
+ $refresh_cmd .= "&group=$group";
+ }
+ 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
$participant_output
$end_page
ENDDOCUMENT
return OK;
-}
+}
+
+sub get_seeid_status {
+ my $crs='/'.$env{'request.course.id'};
+ my $seeid;
+ if (exists($env{'form.group'})) {
+ $seeid = &Apache::lonnet::allowed('rci',$crs.'/'.$env{'form.group'});
+ } else {
+ if ($env{'request.course.sec'}) {
+ $crs.='_'.$env{'request.course.sec'};
+ }
+ $crs=~s/\_/\//g;
+ $seeid=&Apache::lonnet::allowed('rin',$crs);
+ }
+ 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__