--- loncom/interface/lonmsgdisplay.pm 2020/09/08 23:54:40 1.192
+++ loncom/interface/lonmsgdisplay.pm 2025/01/28 21:57:52 1.201
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Routines for messaging display
#
-# $Id: lonmsgdisplay.pm,v 1.192 2020/09/08 23:54:40 raeburn Exp $
+# $Id: lonmsgdisplay.pm,v 1.201 2025/01/28 21:57:52 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -111,6 +111,7 @@ use Apache::loncommunicate;
use Apache::lonfeedback;
use Apache::lonrss();
use Apache::lonselstudent();
+use Apache::lonenc();
use lib '/home/httpd/lib/perl/';
use LONCAPA qw(:DEFAULT :match);
@@ -261,8 +262,7 @@ function folder_choice(targetform,caller
'."\n".
''.
- ''.
- ($folder=~/^critical/?'':'');
+ '';
return $output;
}
@@ -912,7 +912,7 @@ sub discrit {
}
sub sortedmessages {
- my ($blocked,$startblock,$endblock,$numblocked,$folder,$msgstatus) = @_;
+ my ($blocked,$startblock,$endblock,$by_ip,$numblocked,$folder,$msgstatus) = @_;
my $suffix=&Apache::lonmsg::foldersuffix($folder);
my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
#unpack the varibles and repack into temp for sorting
@@ -944,7 +944,8 @@ sub sortedmessages {
push(@temp1,$content{'recuser'},$content{'recdomain'});
}
# Check whether message was sent during blocking period.
- if ($sendtime >= $startblock && ($sendtime <= $endblock && $endblock > 0) ) {
+ if (($by_ip) ||
+ (($sendtime >= $startblock) && ($sendtime <= $endblock && $endblock > 0))) {
$$blocked{$msgid} = 'ON';
$$numblocked ++;
} else {
@@ -1071,7 +1072,9 @@ sub disfolder {
my %blocked = ();
my %setters = ();
my $numblocked = 0;
- my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
+ my $clientip = &Apache::lonnet::get_requestor_ip($r);
+ my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
+ &Apache::loncommon::blockcheck(\%setters,'com',$clientip);
my %js_lt = &Apache::lonlocal::texthash(
sede => 'Select a destination folder to which the messages will be moved.',
nome => 'No messages have been selected to apply this action to.',
@@ -1115,7 +1118,7 @@ sub disfolder {
ENDDISHEADER
my $fsqs='&folder='.$folder;
- my @temp=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
+ my @temp=&sortedmessages(\%blocked,$startblock,$endblock,$by_ip,\$numblocked,$folder,$msgstatus);
my $totalnumber=$#temp+1;
if ($totalnumber < 1) {
$r->print('
');
if ($numblocked > 0) {
- $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
+ $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,$by_ip,$clientip,$blockdom,
\%setters));
}
+ $r->print('');
return;
}
my $interdis = $env{'form.interdis'};
@@ -1318,20 +1322,26 @@ ENDDISHEADER
$r->print('');
if ($numblocked > 0) {
$r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
- \%setters));
+ $by_ip,$clientip,$blockdom,\%setters));
}
}
sub blocked_in_folder {
- my ($numblocked,$startblock,$endblock,$setters) = @_;
- my $beginblock = &Apache::lonlocal::locallocaltime($startblock);
- my $finishblock = &Apache::lonlocal::locallocaltime($endblock);
- my $output = '
'.
+ my ($numblocked,$startblock,$endblock,$by_ip,$clientip,$blockdom,$setters) = @_;
+ my $output;
+ if ($by_ip) {
+ $output = '
'.
+ &mt('[quant,_1,message is, messages are] not viewable because display of LON-CAPA messages is blocked for your current IP address: [_2].',$numblocked,$clientip).' '.
+ &mt('Note: communication is being blocked for certain IP address(es).');
+ } else {
+ my $beginblock = &Apache::lonlocal::locallocaltime($startblock);
+ my $finishblock = &Apache::lonlocal::locallocaltime($endblock);
+ $output = '
'.
&mt('[quant,_1,message is, messages are] not viewable because display of LON-CAPA messages sent to you by other students between [_2] and [_3] is currently being blocked because of online exams.',$numblocked,$beginblock,$finishblock);
+ }
#$output .= &Apache::loncommon::build_block_table($startblock,$endblock,
# $setters);
-
- my ($blocked, $blocktext) = &Apache::loncommon::blocking_status("com");
+ my ($blocked, $blocktext) = &Apache::loncommon::blocking_status("com",$clientip);
$output .="
".$blocktext;
return $output;
@@ -1342,6 +1352,26 @@ sub blocked_in_folder {
sub compout {
my ($r,$forwarding,$replying,$broadcast,$replycrit,$folder,$dismode,
$multiforward)=@_;
+ my $clientip = &Apache::lonnet::get_requestor_ip($r);
+ my %setters;
+ my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
+ &Apache::loncommon::blockcheck(\%setters,'com',$clientip);
+ if ($by_ip) {
+ my $showdom = &Apache::lonnet::domain($blockdom);
+ if ($showdom eq '') {
+ $showdom = $blockdom;
+ }
+ $r->print(&Apache::loncommon::start_page('Messages'));
+ $r->print(&Apache::lonhtmlcommon::breadcrumbs('Send and display messages'));
+ $r->print('
'.
+ &mt('Sending of LON-CAPA messages is blocked for your current IP address: [_1].',$clientip).'
'.
+ '
'.
+ &mt('Note: communication is being blocked for certain IP address(es).').
+ '
'.
+ &mt('This restriction was set by an administrator in the [_1] LON-CAPA domain.',$showdom).
+ '
');
+ return;
+ }
my $suffix=&Apache::lonmsg::foldersuffix($folder);
my ($cdom,$cnum,$group,$refarg);
if (exists($env{'form.group'})) {
@@ -2106,14 +2136,16 @@ sub displaymessage {
my %setters = ();
my $numblocked = 0;
my $crstype = &Apache::loncommon::course_type();
+ my $clientip = &Apache::lonnet::get_requestor_ip($r);
# info to generate "next" and "previous" buttons and check if message is blocked
- my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
- my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
+ my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
+ &Apache::loncommon::blockcheck(\%setters,'com',$clientip);
+ my @messages=&sortedmessages(\%blocked,$startblock,$endblock,$by_ip,\$numblocked,$folder,$msgstatus);
if ( $blocked{$msgid} eq 'ON' ) {
&printheader($r,'/adm/email',&mt('Display a Message'));
#$r->print(&mt('You attempted to display a message that is currently blocked because you are enrolled in one or more courses for which there is an ongoing online exam.'));
- my($blocked, $blocktext) = &Apache::loncommon::blocking_status("com");
+ my($blocked, $blocktext) = &Apache::loncommon::blocking_status("com",$clientip);
$r->print(" ".$blocktext);
return;
}
@@ -2147,8 +2179,28 @@ sub displaymessage {
my $number_of_messages = scalar(@messages); #subtract 1 for last index
+ my $head_extra;
+
+# if student's view of resource will be included
+# get tag(s) for css file(s) in use, and pass to &header to include
+# in call to loncommon::start_page()
+
+ if (($env{'request.course.id'} eq $content{'courseid'}) &&
+ (&Apache::lonnet::allowed('vgr',$content{'courseid'}))) {
+ my $symb;
+ if (defined($content{'symb'})) {
+ $symb = $content{'symb'};
+ } elsif (defined($content{'baseurl'})) {
+ $symb=&Apache::lonnet::symbread($content{'baseurl'});
+ }
+ if ($symb) {
+ $head_extra = &Apache::loncommon::css_links($symb);
+ }
+ }
+
# start output
- &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',$content{'baseurl'});
+ &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',
+ $content{'baseurl'},$head_extra);
# Prepare available functions
my @functionlist;
@@ -2452,12 +2504,16 @@ sub displaymessage {
$showsymb,$env{'user.domain'},$env{'user.name'});
if ($symb) {
if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
- $showsymb = &Apache::lonenc::check_encrypt($symb);
+ unless ($showsymb =~ m{^/enc/}) {
+ $showsymb = &Apache::lonenc::encrypted($showsymb);
+ }
}
$symblink = '?symb='.$showsymb;
}
if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
- $showurl = $baseurl;
+ unless ($showurl =~ m{^/enc/}) {
+ $showurl = &Apache::lonenc::encrypted($showurl);
+ }
}
$r->print(&Apache::lonhtmlcommon::row_title(&mt('Refers to'))
.''.$restitle.''
@@ -2651,9 +2707,10 @@ sub displayresource {
&& (&Apache::lonnet::allowed('vgr',$content{'courseid'}))) {
my $symb;
if (defined($content{'symb'})) {
- $symb = $content{'symb'};
- } else {
- $symb=&Apache::lonnet::symbread($content{'baseurl'});
+ $symb = &Apache::lonenc::check_decrypt($content{'symb'});
+ } elsif (defined($content{'baseurl'})) {
+ $symb =
+ &Apache::lonnet::symbread(&Apache::lonenc::check_decrypt($content{'baseurl'}));
}
# Could not get a symb, give up
unless ($symb) { return $content{'citation'}; }
@@ -2689,13 +2746,16 @@ sub displayresource {
# ================================================================== The Header
sub header {
- my ($r,$title,$baseurl)=@_;
+ my ($r,$title,$baseurl,$head_extra)=@_;
my $extra = &Apache::loncommon::studentbrowser_javascript();
if ($baseurl) {
$extra .= "";
}
$extra .= '';
+ if ($head_extra) {
+ $extra .= "\n$head_extra";
+ }
$r->print(&Apache::loncommon::start_page('Messages',
$extra));
$r->print(&Apache::lonhtmlcommon::breadcrumbs
@@ -2705,11 +2765,11 @@ sub header {
# ---------------------------------------------------------------- Print header
sub printheader {
- my ($r,$url,$desc,$title,$baseurl)=@_;
+ my ($r,$url,$desc,$title,$baseurl,$head_extra)=@_;
&Apache::lonhtmlcommon::add_breadcrumb
({href=>$url,
text=>$desc});
- &header($r,$title,$baseurl);
+ &header($r,$title,$baseurl,$head_extra);
}
# ------------------------------------------------------------ Store the comment
@@ -2766,7 +2826,14 @@ sub sendoffmail {
$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
}
- if ($env{'form.send'}) {
+ my $clientip = &Apache::lonnet::get_requestor_ip($r);
+ my %setters;
+ my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
+ &Apache::loncommon::blockcheck(\%setters,'com',$clientip);
+ if ($by_ip) {
+ &printheader($r,'','Sending messages blocked from your location.');
+ return 'blocked';
+ } elsif ($env{'form.send'}) {
if (!$env{'form.multiforward'}) {
if ($group eq '') {
&printheader($r,'','Messages being sent.');
@@ -3203,9 +3270,24 @@ sub handler {
'sendreply','compose','sendmail','critical','recname','recdom',
'recordftf','sortedby','folder','startdis','interdis',
'showcommentbaseurl','dismode','group','subject','text','ref',
- 'msgstatus']);
+ 'msgstatus','btoken']);
$sqs='&sortedby='.$env{'form.sortedby'};
+# ----------- Check if access was from balancer to server with existing session
+
+ if ($env{'form.btoken'}) {
+ my %info = &Apache::lonnet::tmpget($env{'form.btoken'});
+ &Apache::lonnet::tmpdel($env{'form.btoken'});
+ delete($env{'form.btoken'});
+ unless ($env{'form.display'}) {
+ if (($info{'display'}) && ($info{'mailrecip'})) {
+ if (&unescape($info{'mailrecip'}) eq $env{'user.name'}.':'.$env{'user.domain'}) {
+ $env{'form.display'} = &unescape($info{'display'});
+ }
+ }
+ }
+ }
+
# ------------------------------------------------------ They checked for email
&Apache::lonnet::put('email_status',{'recnewemail'=>0});
@@ -3460,8 +3542,12 @@ sub handler {
my $count = keys(%forwardfail);
my $message = &Apache::lonhtmlcommon::confirm_success(&mt('Could not forward [quant,_1,message].',$count),1);
foreach my $key (keys(%forwardfail)) {
- $message .= ' '.&mt('Could not deliver forwarded message.').' '.
- &mt('The recipient addresses may need to be corrected').' ('.$forwardfail{$key}.')';
+ $message .= ' '.&mt('Could not deliver forwarded message.').' ';
+ if ($forwardfail{$key} eq 'blocked') {
+ $message .= &mt('Sending messages is blocked from your IP address');
+ } else {
+ $message .= &mt('The recipient addresses may need to be corrected').' ('.$forwardfail{$key}.')';
+ }
}
$message = &Apache::loncommon::confirmwrapper($message);
$r->print($message);