--- loncom/interface/lonmsg.pm 2021/01/04 03:44:12 1.239.2.2 +++ loncom/interface/lonmsg.pm 2022/09/18 22:33:45 1.249 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Routines for messaging # -# $Id: lonmsg.pm,v 1.239.2.2 2021/01/04 03:44:12 raeburn Exp $ +# $Id: lonmsg.pm,v 1.249 2022/09/18 22:33:45 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -120,7 +120,7 @@ Critical message to a user New routine that respects "forward" and calls old routine -=item * B: +=item * B: Sends a critical message $message to the $user at $domain. If $sendback is true, a receipt will be sent to the current user when $user receives the message. @@ -148,7 +148,7 @@ New routine that respects "forward" and =item * B: + $error,$nosentstore,$recipid,$permresults,$senthide)>: Sends a message to the $user at $domain, with subject $subject and message $message. Additionally it will check if the user has a Forwarding address @@ -200,9 +200,9 @@ Returns use strict; use Apache::lonnet; +use Apache::loncommon; use HTML::TokeParser(); use Apache::lonlocal; -use Mail::Send; use HTML::Entities; use Encode; use LONCAPA qw(:DEFAULT :match); @@ -218,8 +218,8 @@ use LONCAPA qw(:DEFAULT :match); sub packagemsg { - my ($subject,$message,$citation,$baseurl,$attachmenturl, - $recuser,$recdomain,$msgid,$type,$crsmsgid,$symb,$error,$recipid)=@_; + my ($subject,$message,$citation,$baseurl,$attachmenturl,$recuser,$recdomain, + $msgid,$type,$crsmsgid,$symb,$error,$recipid,$senthide,$origmsgid)=@_; $message =&HTML::Entities::encode($message,'<>&"'); $citation=&HTML::Entities::encode($citation,'<>&"'); $subject =&HTML::Entities::encode($subject,'<>&"'); @@ -229,6 +229,22 @@ sub packagemsg { #remove machine specification $attachmenturl =~ s|^https?://[^/]+/|/|; $attachmenturl =&HTML::Entities::encode($attachmenturl,'<>&"'); + if ($senthide) { + foreach my $item ($subject,$message) { + if ($item ne '') { + $item = 'Not shown due to IP block'; + } + } + if ($attachmenturl ne '') { + $attachmenturl = ''; + } + if ($citation ne '') { + $citation = ''; + } + if ($msgid ne '') { + $msgid = ''; + } + } my $course_context = &get_course_context(); my $now=time; my $ip = &Apache::lonnet::get_requestor_ip(); @@ -319,6 +335,9 @@ sub packagemsg { } } } + if ($senthide) { + $result .= '$origmsgid'; + } return ($msgid,$result); } @@ -409,7 +428,6 @@ sub unpackmsgid { $shortsubj = &unescape($shortsubj); $shortsubj = &HTML::Entities::decode($shortsubj); $symb = &unescape($symb); - if (!defined($processid)) { $fromcid = ''; } my %status=(); unless ($skipstatus) { if (ref($status_cache)) { @@ -426,7 +444,7 @@ sub unpackmsgid { sub sendemail { - my ($to,$subject,$body,$to_uname,$to_udom,$user_lh)=@_; + my ($to,$subject,$body,$to_uname,$to_udom,$user_lh,$attachmenturl)=@_; my $senderaddress=''; my $replytoaddress=''; my $msgsent; @@ -462,19 +480,18 @@ sub sendemail { "*** ".($senderaddress?&mt_user($user_lh,'You can reply to this e-mail'):&mt_user($user_lh,'Please do not reply to this address.')."\n*** ". &mt_user($user_lh,'A reply will not be received by the recipient!'))."\n\n".$body; - my $msg = new Mail::Send; - $msg->to($to); - $msg->subject('[LON-CAPA] '.$subject); - if ($replytoaddress) { - $msg->add('Reply-to',$replytoaddress); - } - if ($senderaddress) { - $msg->add('From',$senderaddress); - } - $msg->add('Content-type','text/plain; charset=UTF-8'); - if (my $fh = $msg->open()) { - print $fh $body; - $fh->close; + $attachmenturl = &Apache::lonnet::filelocation("",$attachmenturl); + my $filesize = (stat($attachmenturl))[7]; + if ($filesize > 1048576) { + # Don't send if it exceeds 1 MB. + print '

' + .&mt('Email not sent. Attachment exceeds permitted length.') + .'

'; + } else { + # Otherwise build and send the email + $subject = '[LON-CAPA] '.$subject; + &Apache::loncommon::mime_email($senderaddress,$replytoaddress,$to, + $subject,$body,'','',$attachmenturl,'',''); $msgsent = 1; } return $msgsent; @@ -483,7 +500,7 @@ sub sendemail { # ==================================================== Send notification emails sub sendnotification { - my ($to,$touname,$toudom,$subj,$crit,$text,$msgid)=@_; + my ($to,$touname,$toudom,$subj,$crit,$text,$msgid,$attachmenturl)=@_; my $sender=$env{'environment.firstname'}.' '.$env{'environment.lastname'}; unless ($sender=~/\w/) { $sender=$env{'user.name'}.':'.$env{'user.domain'}; @@ -493,10 +510,8 @@ sub sendnotification { $text=~s/\<\;/\/gs; - my $homeserver = &Apache::lonnet::homeserver($touname,$toudom); - my $protocol = $Apache::lonnet::protocol{$homeserver}; - $protocol = 'http' if ($protocol ne 'https'); - my $url = $protocol.'://'.&Apache::lonnet::hostname($homeserver). + my $touhome = &Apache::lonnet::homeserver($touname,$toudom); + my $url = &Apache::lonnet::url_prefix('',$toudom,$touhome,'email'). '/adm/email?username='.$touname.'&domain='.$toudom. '&display='.&escape($msgid); my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid, @@ -540,16 +555,20 @@ to access the full message.',$url); $subject = $subj; } - my ($blocked,$blocktext); + my ($blocked,$blocktext,$clientip); + $clientip = &Apache::lonnet::get_requestor_ip(); if (!$crit) { my %setters; - my ($startblock,$endblock) = - &Apache::loncommon::blockcheck(\%setters,'com',$touname,$toudom); + my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) = + &Apache::loncommon::blockcheck(\%setters,'com',$clientip,$touname,$toudom); if ($startblock && $endblock) { $blocked = 1; my $showstart = &Apache::lonlocal::locallocaltime($startblock); my $showend = &Apache::lonlocal::locallocaltime($endblock); $blocktext = &mt_user($user_lh,'LON-CAPA messages sent to you between [_1] and [_2] will be inaccessible until the end of this time period, because you are a student in a course with an active communications block.',$showstart,$showend); + } elsif ($by_ip) { + $blocked = 1; + $blocktext = &mt_user($user_lh,'LON-CAPA messages sent to you will be inaccessible from your IP address [_1], because communication is being blocked for certain IP address(es).',$clientip); } } if ($userenv{'notifywithhtml'} ne '') { @@ -567,7 +586,7 @@ to access the full message.',$url); } $body = $bodybegin.$bodysubj.$sendtext.$bodyend; } - if (&sendemail($addr,$subject,$body,$touname,$toudom,$user_lh)) { + if (&sendemail($addr,$subject,$body,$touname,$toudom,$user_lh,$attachmenturl)) { $numsent ++; } } @@ -578,7 +597,7 @@ to access the full message.',$url); my $htmlfree = &make_htmlfree($text); $body = $bodybegin.$bodysubj.$htmlfree.$bodyend; } - if (&sendemail($to,$subject,$body,$touname,$toudom,$user_lh)) { + if (&sendemail($to,$subject,$body,$touname,$toudom,$user_lh,$attachmenturl)) { $numsent ++; } } @@ -710,7 +729,7 @@ sub store_instructor_comment { sub user_crit_msg_raw { my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage, - $nosentstore,$recipid,$attachmenturl,$permresults)=@_; + $nosentstore,$recipid,$attachmenturl,$permresults,$senthide)=@_; # Check if allowed missing my ($status,$packed_message); my $msgid='undefined'; @@ -728,11 +747,15 @@ sub user_crit_msg_raw { $$sentmessage = $packed_message; } if (!$nosentstore) { - (undef,my $packed_message_no_citation) = + my ($sentmsgid,$packed_message_no_citation) = &packagemsg($subject,$message,undef,undef,$attachmenturl,$user, - $domain,$msgid); + $domain,$msgid,undef,undef,undef,undef,undef,$senthide,$msgid); if ($status eq 'ok' || $status eq 'con_delayed') { - &store_sent_mail($msgid,$packed_message_no_citation); + if ($senthide && $sentmsgid) { + &store_sent_mail($sentmsgid,$packed_message_no_citation); + } else { + &store_sent_mail($msgid,$packed_message_no_citation); + } } } } else { @@ -747,7 +770,7 @@ sub user_crit_msg_raw { my $numperm = 0; my $permlogmsgstatus; if ($critnotify) { - $numcrit = &sendnotification($critnotify,$user,$domain,$subject,1,$text,$msgid); + $numcrit = &sendnotification($critnotify,$user,$domain,$subject,1,$text,$msgid,$attachmenturl); } if ($toperm && $permemail) { if ($critnotify && $numcrit) { @@ -756,7 +779,7 @@ sub user_crit_msg_raw { } } unless ($numperm) { - $numperm = &sendnotification($permemail,$user,$domain,$subject,1,$text,$msgid); + $numperm = &sendnotification($permemail,$user,$domain,$subject,1,$text,$msgid,$attachmenturl); } } if ($toperm) { @@ -782,7 +805,7 @@ sub user_crit_msg_raw { sub user_crit_msg { my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage, - $nosentstore,$recipid,$attachmenturl,$permresults)=@_; + $nosentstore,$recipid,$attachmenturl,$permresults,$senthide)=@_; my @status; my %userenv = &Apache::lonnet::get('environment',['msgforward'], $domain,$user); @@ -793,13 +816,13 @@ sub user_crit_msg { push(@status, &user_crit_msg_raw($forwuser,$forwdomain,$subject,$message, $sendback,$toperm,$sentmessage,$nosentstore, - $recipid,$attachmenturl,$permresults)); + $recipid,$attachmenturl,$permresults,$senthide)); } } else { push(@status, &user_crit_msg_raw($user,$domain,$subject,$message,$sendback, $toperm,$sentmessage,$nosentstore,$recipid, - $attachmenturl,$permresults)); + $attachmenturl,$permresults,$senthide)); } if (wantarray) { return @status; @@ -848,7 +871,7 @@ sub user_crit_received { sub user_normal_msg_raw { my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl, $toperm,$currid,$newid,$sentmessage,$crsmsgid,$symb,$restitle, - $error,$nosentstore,$recipid,$permresults)=@_; + $error,$nosentstore,$recipid,$permresults,$senthide)=@_; # Check if allowed missing my ($status,$packed_message); my $msgid='undefined'; @@ -870,11 +893,16 @@ sub user_normal_msg_raw { ('email_status',{'recnewemail'=>time},$domain,$user); # Into sent-mail folder if sent mail storage required if (!$nosentstore) { - (undef,my $packed_message_no_citation) = + my ($sentmsgid,$packed_message_no_citation) = &packagemsg($subject,$message,undef,$baseurl,$attachmenturl, - $user,$domain,$currid,undef,$crsmsgid,$symb,$error); + $user,$domain,$currid,undef,$crsmsgid,$symb,$error, + undef,$senthide,$msgid); if ($status eq 'ok' || $status eq 'con_delayed') { - &store_sent_mail($msgid,$packed_message_no_citation); + if ($senthide && $sentmsgid) { + &store_sent_mail($sentmsgid,$packed_message_no_citation); + } else { + &store_sent_mail($msgid,$packed_message_no_citation); + } } } if (ref($newid) eq 'SCALAR') { @@ -891,7 +919,7 @@ sub user_normal_msg_raw { my $numperm = 0; my $permlogmsgstatus; if ($notify) { - $numnotify = &sendnotification($notify,$user,$domain,$subject,0,$text,$msgid); + $numnotify = &sendnotification($notify,$user,$domain,$subject,0,$text,$msgid,$attachmenturl); } if ($toperm && $permemail) { if ($notify && $numnotify) { @@ -901,7 +929,7 @@ sub user_normal_msg_raw { } unless ($numperm) { $numperm = &sendnotification($permemail,$user,$domain,$subject,0, - $text,$msgid); + $text,$msgid,$attachmenturl); } } if ($toperm) { @@ -925,7 +953,7 @@ sub user_normal_msg_raw { sub user_normal_msg { my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl, $toperm,$sentmessage,$symb,$restitle,$error,$nosentstore,$recipid, - $permresults)=@_; + $permresults,$senthide)=@_; my @status; my %userenv = &Apache::lonnet::get('environment',['msgforward'], $domain,$user); @@ -937,13 +965,15 @@ sub user_normal_msg { &user_normal_msg_raw($forwuser,$forwdomain,$subject,$message, $citation,$baseurl,$attachmenturl,$toperm, undef,undef,$sentmessage,undef,$symb, - $restitle,$error,$nosentstore,$recipid,$permresults)); + $restitle,$error,$nosentstore,$recipid, + $permresults,$senthide)); } } else { push(@status,&user_normal_msg_raw($user,$domain,$subject,$message, $citation,$baseurl,$attachmenturl,$toperm, undef,undef,$sentmessage,undef,$symb, - $restitle,$error,$nosentstore,$recipid,$permresults)); + $restitle,$error,$nosentstore,$recipid, + $permresults,$senthide)); } if (wantarray) { return @status;