--- loncom/interface/lonmsg.pm 2002/05/07 15:24:34 1.32 +++ loncom/interface/lonmsg.pm 2010/09/13 23:38:04 1.222.2.2 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Routines for messaging # -# $Id: lonmsg.pm,v 1.32 2002/05/07 15:24:34 matthew Exp $ +# $Id: lonmsg.pm,v 1.222.2.2 2010/09/13 23:38:04 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,73 +25,334 @@ # # http://www.lon-capa.org/ # -# -# (Routines to control the menu -# -# (TeX Conversion Module -# -# 05/29/00,05/30 Gerd Kortemeyer) -# -# 10/05 Gerd Kortemeyer) -# -# 10/19,10/20,10/30, -# 02/06/01 Gerd Kortemeyer -# 07/27 Guy Albertelli -# 07/27,07/28,07/30,08/03,08/06,08/08,08/09,08/10,8/13,8/15, -# 10/1,11/5 Gerd Kortemeyer -# YEAR=2002 -# 1/1,3/18 Gerd Kortemeyer -# + package Apache::lonmsg; +=pod + +=head1 NAME + +Apache::lonmsg: supports internal messaging + +=head1 SYNOPSIS + +lonmsg provides routines for sending messages. + +Right now, this document will cover just how to send a message, since +it is likely you will not need to programmatically read messages, +since lonmsg already implements that functionality. + +The routines used to package messages and unpackage messages are not +only used by lonmsg when creating/extracting messages for LON-CAPA's +internal messaging system, but also by lonnotify.pm which is available +for use by Domain Coordinators to broadcast standard e-mail to specified +users in their domain. The XML packaging used in the two cases is very +similar. The differences are the use of $uname and +$udom in stored internal messages, compared +with $email in stored +Domain Coordinator e-mail for the storage of information about +recipients of the message/e-mail. + +=head1 SUBROUTINES + +=over + +=pod + +=item packagemsg() + +Package + +=item get_course_context() + +=item unpackagemsg() + +Unpack message into a hash + +=item buildmsgid() + +Get info out of msgid + +=item unpackmsgid() + +=item sendemail() + +=item sendnotification() + +Send notification emails + +=item newmail() + +Check for email + +=item author_res_msg() + +Automated message to the author of a resource + +=item * B: Sends message $message to the owner + of the resource with the URI $filename. + +=item retrieve_author_res_msg() + +Retrieve author resource messages + +=item del_url_author_res_msg() + +Delete all author messages related to one URL + +=item clear_author_res_msg() + +Clear out all author messages in URL path + +=item all_url_author_res_msg() + +Return hash with URLs for which there is a resource message + +=item store_instructor_comment() + +Add a comment to the User Notes screen + +=item user_crit_msg_raw() + +Critical message to a user + +=item user_crit_msg() + +New routine that respects "forward" and calls old routine + +=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. + + Additionally it will check if the user has a Forwarding address + set, and send the message to that address instead + + returns + - in array context a list of results for each message that was sent + - in scalar context a space seperated list of results for each + message sent + + +=item user_crit_received() + +Critical message received + +=item user_normal_msg_raw() + +Normal communication + +=item user_normal_msg() + +New routine that respects "forward" and calls old routine + +=item * B: + 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 + set, and send the message to that address instead + + returns + - in array context a list of results for each message that was sent + - in scalar context a space seperated list of results for each + message sent + +=item store_sent_mail() + +=item store_recipients() + +=item foldersuffix() + +=item get_user_folders() + +User-defined folders + +=item secapply() + +=item B: + +Arguments + $feedurl - /res/ url of resource (only need if $author is true) + $author,$question,$course,$policy - all true/false parameters + if true will attempt to find the addresses of user that should receive + this type of feedback (author - feedback to author of resource $feedurl, + $question 'Resource Content Questions', $course 'Course Content Question', + $policy 'Course Policy') + (Additionally it also checks $env for whether the corresponding form. + element exists, for ease of use in a html response context) + + $defaultflag - (internal should be left blank) if true gather addresses + that aren't for a section even if I have a section + (used for reccursion internally, first we look for + addresses for our specific section then we recurse + and look for non section addresses) + +Returns + $typestyle - string of html text, describing what addresses were found + %to - a hash, which keys are addresses of users to send messages to + the keys will look like name:domain + +=back + +=cut + use strict; -use Apache::lonnet(); -use vars qw($msgcount); -use HTML::TokeParser; -use Apache::Constants qw(:common); +use Apache::lonnet; +use HTML::TokeParser(); +use Apache::lonlocal; +use Mail::Send; +use HTML::Entities; +use Encode; +use LONCAPA qw(:DEFAULT :match); + +{ + my $uniq; + sub get_uniq { + $uniq++; + return $uniq; + } +} + -# ===================================================================== Package sub packagemsg { - my ($subject,$message,$citation)=@_; - $message=~s/\/\>\;/g; - $citation=~s/\/\>\;/g; - $subject=~s/\/\>\;/g; + my ($subject,$message,$citation,$baseurl,$attachmenturl, + $recuser,$recdomain,$msgid,$type,$crsmsgid,$symb,$error,$recipid)=@_; + $message =&HTML::Entities::encode($message,'<>&"'); + $citation=&HTML::Entities::encode($citation,'<>&"'); + $subject =&HTML::Entities::encode($subject,'<>&"'); + #remove machine specification + $baseurl =~ s|^https?://[^/]+/|/|; + $baseurl =&HTML::Entities::encode($baseurl,'<>&"'); + #remove machine specification + $attachmenturl =~ s|^https?://[^/]+/|/|; + $attachmenturl =&HTML::Entities::encode($attachmenturl,'<>&"'); + my $course_context = &get_course_context(); my $now=time; - $msgcount++; - my $partsubj=$subject; - $partsubj=&Apache::lonnet::escape($partsubj); - my $msgid=&Apache::lonnet::escape( - $now.':'.$partsubj.':'.$ENV{'user.name'}.':'. - $ENV{'user.domain'}.':'.$msgcount.':'.$$); - return $msgid, - ''.$ENV{'user.name'}.''. - ''.$ENV{'user.domain'}.''. + my $msgcount = &get_uniq(); + unless(defined($msgid)) { + $msgid = &buildmsgid($now,$subject,$env{'user.name'},$env{'user.domain'}, + $msgcount,$course_context,$symb,$error,$$); + } + my $result = ''.$env{'user.name'}.''. + ''.$env{'user.domain'}.''. ''.$subject.''. - ''. - ''.$ENV{'SERVER_NAME'}.''. + ''; + if (defined($crsmsgid)) { + $result.= ''.$course_context.''. + ''.$env{'request.course.sec'}.''. + ''.$msgid.''. + ''.$crsmsgid.''. + ''.$message.''; + return ($msgid,$result); + } + $result .= ''.$ENV{'SERVER_NAME'}.''. ''.$ENV{'HTTP_HOST'}.''. ''.$ENV{'REMOTE_ADDR'}.''. - ''.$ENV{'browser.type'}.''. - ''.$ENV{'browser.os'}.''. - ''.$ENV{'browser.version'}.''. - ''.$ENV{'browser.mathml'}.''. + ''.$env{'browser.type'}.''. + ''.$env{'browser.os'}.''. + ''.$env{'browser.version'}.''. + ''.$env{'browser.mathml'}.''. ''.$ENV{'HTTP_USER_AGENT'}.''. - ''.$ENV{'request.course.id'}.''. - ''.$ENV{'request.role'}.''. - ''.$ENV{'request.filename'}.''. - ''.$msgid.''. - ''.$message.''. - ''.$citation.''; + ''.$course_context.''. + ''.$env{'request.course.sec'}.''. + ''.$env{'request.role'}.''. + ''.$env{'request.filename'}.''. + ''.$msgid.''; + if (defined($env{'form.group'})) { + $result .= ''.$env{'form.group'}.''; + } + if (ref($recuser) eq 'ARRAY') { + for (my $i=0; $i<@{$recuser}; $i++) { + if ($type eq 'dcmail') { + my ($username,$email) = split(/:/,$$recuser[$i]); + $username = &unescape($username); + $email = &unescape($email); + $username = &HTML::Entities::encode($username,'<>&"'); + $email = &HTML::Entities::encode($email,'<>&"'); + $result .= ''. + $email.''; + } else { + $result .= ''.$$recuser[$i].''. + ''.$$recdomain[$i].''; + } + } + } else { + $result .= ''.$recuser.''. + ''.$recdomain.''; + } + $result .= ''.$message.''; + if (defined($citation)) { + $result.=''.$citation.''; + } + if (defined($baseurl)) { + $result.= ''.$baseurl.''; + } + if (defined($attachmenturl)) { + $result.= ''.$attachmenturl.''; + } + if (defined($symb)) { + $result.= ''.$symb.''; + if ($course_context ne '') { + if ($course_context eq $env{'request.course.id'}) { + my $resource_title = &Apache::lonnet::gettitle($symb); + if (defined($resource_title)) { + $result .= ''.$resource_title.''; + } + } + } + } + if (defined($recipid)) { + $result.= ''.$recipid.''; + } + if ($env{'form.can_reply'} eq 'N') { + $result .= '1'; + } + if ($env{'form.reply_to_addr'}) { + my ($replytoname,$replytodom) = split(/:/,$env{'form.reply_to_addr'}); + if (!($replytoname eq $env{'user.name'} && $replytodom eq $env{'user.domain'})) { + if (&Apache::lonnet::homeserver($replytoname,$replytodom) ne 'no_host') { + $result .= ''.$env{'form.reply_to_addr'}.''; + } + } + } + return ($msgid,$result); +} + +sub get_course_context { + my $course_context; + my $msgkey; + if (defined($env{'form.replyid'})) { + $msgkey = $env{'form.replyid'}; + } elsif (defined($env{'form.forwid'})) { + $msgkey = $env{'form.forwid'} + } elsif (defined($env{'form.multiforwid'})) { + $msgkey = $env{'form.multiforwid'}; + } + if ($msgkey ne '') { + my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$origcid)= + split(/\:/,&unescape($msgkey)); + $course_context = $origcid; + } + foreach my $key (keys(%env)) { + if ($key=~/^form\.(rep)?rec\_(.*)$/) { + my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$origcid) = + split(/\:/,&unescape($2)); + $course_context = $origcid; + last; + } + } + if ($course_context eq '') { + $course_context = $env{'request.course.id'}; + } + return $course_context; } -# ================================================== Unpack message into a hash sub unpackagemsg { - my $message=shift; + my ($message,$notoken,$noattachmentlink)=@_; my %content=(); my $parser=HTML::TokeParser->new(\$message); my $token; @@ -99,25 +360,230 @@ sub unpackagemsg { if ($token->[0] eq 'S') { my $entry=$token->[1]; my $value=$parser->get_text('/'.$entry); - $content{$entry}=$value; + if (($entry eq 'recuser') || ($entry eq 'recdomain')) { + push(@{$content{$entry}},$value); + } elsif ($entry eq 'recipient') { + my $username = $token->[2]{'username'}; + $username = &HTML::Entities::decode($username,'<>&"'); + $content{$entry}{$username} = $value; + } else { + $content{$entry}=$value; + } + } + } + if (!exists($content{'recuser'})) { $content{'recuser'} = []; } + if (($content{'attachmenturl'}) && (!$noattachmentlink)) { + my ($fname)=($content{'attachmenturl'}=~m|/([^/]+)$|); + if ($notoken) { + $content{'message'}.='

'.&mt('Attachment').': '.$fname.''; + } else { + &Apache::lonnet::allowuploaded('/adm/msg', + $content{'attachmenturl'}); + $content{'message'}.='

'.&mt('Attachment'). + ': '. + $fname.''; } } return %content; } -# ======================================================= Get info out of msgid + +sub buildmsgid { + my ($now,$subject,$uname,$udom,$msgcount,$course_context,$symb,$error,$pid) = @_; + $subject=&escape($subject); + $symb = &escape($symb); + return(&escape($now.':'.$subject.':'.$uname.':'. + $udom.':'.$msgcount.':'.$course_context.':'.$pid.':'.$symb.':'.$error)); +} sub unpackmsgid { - my $msgid=&Apache::lonnet::unescape(shift); - my ($sendtime,$shortsubj,$fromname,$fromdomain)=split(/\:/, - &Apache::lonnet::unescape($msgid)); - my %status=&Apache::lonnet::get('email_status',[$msgid]); - if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; } - unless ($status{$msgid}) { $status{$msgid}='new'; } - return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid}); -} + my ($msgid,$folder,$skipstatus,$status_cache)=@_; + $msgid=&unescape($msgid); + my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$fromcid, + $processid,$symb,$error) = split(/\:/,&unescape($msgid)); + $shortsubj = &unescape($shortsubj); + $shortsubj = &HTML::Entities::decode($shortsubj); + $symb = &unescape($symb); + if (!defined($processid)) { $fromcid = ''; } + my %status=(); + unless ($skipstatus) { + if (ref($status_cache)) { + $status{$msgid} = $status_cache->{$msgid}; + } else { + my $suffix=&foldersuffix($folder); + %status=&Apache::lonnet::get('email_status'.$suffix,[$msgid]); + } + if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; } + unless ($status{$msgid}) { $status{$msgid}='new'; } + } + return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid},$fromcid,$symb,$error); +} + + +sub sendemail { + my ($to,$subject,$body,$to_uname,$to_udom,$user_lh)=@_; + my $senderaddress=''; + my $replytoaddress=''; + if ($env{'form.can_reply'} eq 'N') { + my $lonhost = $Apache::lonnet::perlvar{'lonHostID'}; + my $hostname = &Apache::lonnet::hostname($lonhost); + $replytoaddress = 'do-not-reply@'.$hostname; + } else { + my %senderemails; + my $have_sender; + if ($env{'form.reply_to_addr'}) { + my ($replytoname,$replytodom) = split(/:/,$env{'form.reply_to_addr'}); + if (!($replytoname eq $env{'user.name'} && $replytodom eq $env{'user.domain'})) { + if (&Apache::lonnet::homeserver($replytoname,$replytodom) ne 'no_host') { + %senderemails = + &Apache::loncommon::getemails($replytoname,$replytodom); + $have_sender = 1; + } + } + } + if (!$have_sender) { + %senderemails=&Apache::loncommon::getemails(); + } + foreach my $type ('permanentemail','critnotification','notification') { + if ($senderemails{$type}) { + ($senderaddress) = split(/,/,$senderemails{$type}); + last if ($senderaddress); + } + } + } + $body= + "*** ".&mt_user($user_lh,'This is an automatic e-mail generated by the LON-CAPA system.')."\n". + "*** ".($senderaddress?&mt_user($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); + } + if (my $fh = $msg->open()) { + print $fh $body; + $fh->close; + } +} + +# ==================================================== Send notification emails + +sub sendnotification { + my ($to,$touname,$toudom,$subj,$crit,$text,$msgid)=@_; + my $sender=$env{'environment.firstname'}.' '.$env{'environment.lastname'}; + unless ($sender=~/\w/) { + $sender=$env{'user.name'}.':'.$env{'user.domain'}; + } + my $critical=($crit?' critical':''); + + $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). + '/adm/email?username='.$touname.'&domain='.$toudom. + '&display='.&escape($msgid); + my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid, + $symb,$error) = &Apache::lonmsg::unpackmsgid($msgid); + my ($coursetext,$body,$bodybegin,$bodysubj,$bodyend); + my $user_lh = &Apache::loncommon::user_lang($touname,$toudom,$fromcid); + if ($fromcid ne '') { + $coursetext = "\n".&mt_user($user_lh,'Course').': '; + if ($env{'course.'.$fromcid.'.description'} ne '') { + $coursetext .= $env{'course.'.$fromcid.'.description'}; + } else { + my %coursehash = &Apache::lonnet::coursedescription($fromcid,); + if ($coursehash{'description'} ne '') { + $coursetext .= $coursehash{'description'}; + } + } + $coursetext .= "\n\n"; + } + my @recipients = split(/,/,$to); + $bodybegin = $coursetext. + &mt_user($user_lh, + 'You received a'.$critical.' message from [_1] in LON-CAPA.',$sender).' '; + $bodysubj = &mt_user($user_lh,'The subject is + + [_1] + +',$subj)."\n". +'=== '.&mt_user($user_lh,'Excerpt')." ============================================================ +"; + $bodyend = " +======================================================================== + +".&mt_user($user_lh,'Use + + [_1] + +to access the full message.',$url); + my %userenv = &Apache::lonnet::get('environment',['notifywithhtml'],$toudom,$touname); + my $subject = &mt_user($user_lh,"'New' $critical message from ").$sender; + + my ($blocked,$blocktext); + if (!$crit) { + my %setters; + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'com',$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); + } + } + if ($userenv{'notifywithhtml'} ne '') { + my @htmlexcerpt = split(/,/,$userenv{'notifywithhtml'}); + my $htmlfree = &make_htmlfree($text); + foreach my $addr (@recipients) { + if ($blocked) { + $body = $bodybegin."\n".$blocktext."\n".$bodyend; + } else { + my $sendtext; + if (!grep/^\Q$addr\E/,@htmlexcerpt) { + $sendtext = $htmlfree; + } else { + $sendtext = $text; + } + $body = $bodybegin.$bodysubj.$sendtext.$bodyend; + } + &sendemail($addr,$subject,$body,$touname,$toudom,$user_lh); + } + } else { + if ($blocked) { + $body = $bodybegin."\n".$blocktext."\n".$bodyend; + } else { + my $htmlfree = &make_htmlfree($text); + $body = $bodybegin.$bodysubj.$htmlfree.$bodyend; + } + &sendemail($to,$subject,$body,$touname,$toudom,$user_lh); + } +} + +sub make_htmlfree { + my ($text) = @_; + $text =~ s/\<\/*[^\>]+\>//gs; + $text = &HTML::Entities::decode($text); + $text = &Encode::encode('utf8',$text); + return $text; +} + +sub newmail { + if ((time-$env{'user.mailcheck.time'})>300) { + my %what=&Apache::lonnet::get('email_status',['recnewemail']); + &Apache::lonnet::appenv({'user.mailcheck.time'=>time}); + if ($what{'recnewemail'}>0) { return 1; } + } + return 0; +} + -# =============================== Automated message to the author of a resource sub author_res_msg { my ($filename,$message)=@_; @@ -127,571 +593,449 @@ sub author_res_msg { my $homeserver=&Apache::lonnet::homeserver($author,$domain); if ($homeserver ne 'no_host') { my $id=unpack("%32C*",$message); + $message .= "

This error occurred on machine ". + $Apache::lonnet::perlvar{'lonHostID'}."

"; my $msgid; ($msgid,$message)=&packagemsg($filename,$message); return &Apache::lonnet::reply('put:'.$domain.':'.$author. ':nohist_res_msgs:'. - &Apache::lonnet::escape($filename.'_'.$id).'='. - &Apache::lonnet::escape($message),$homeserver); + &escape($filename.'_'.$id).'='. + &escape($message),$homeserver); } return 'no_host'; } -# ================================================== Critical message to a user -sub user_crit_msg { - my ($user,$domain,$subject,$message,$sendback)=@_; + +sub retrieve_author_res_msg { + my $url=shift; + $url=&Apache::lonnet::declutter($url); + my ($domain,$author)=($url=~/^($match_domain)\/($match_username)\//); + my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$domain,$author); + my $msgs=''; + foreach (keys %errormsgs) { + if ($_=~/^\Q$url\E\_\d+$/) { + my %content=&unpackagemsg($errormsgs{$_}); + $msgs.='

'. + $content{'time'}.': '.$content{'message'}. + '

'; + } + } + return $msgs; +} + + + + + +sub del_url_author_res_msg { + my $url=shift; + $url=&Apache::lonnet::declutter($url); + my ($domain,$author)=($url=~/^($match_domain)\/($match_username)\//); + my @delmsgs=(); + foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) { + if ($_=~/^\Q$url\E\_\d+$/) { + push (@delmsgs,$_); + } + } + return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author); +} + + +sub clear_author_res_msg { + my $url=shift; + $url=&Apache::lonnet::declutter($url); + my ($domain,$author)=($url=~/^($match_domain)\/($match_username)\//); + my @delmsgs=(); + foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) { + if ($_=~/^\Q$url\E/) { + push (@delmsgs,$_); + } + } + return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author); +} + + + +sub all_url_author_res_msg { + my ($author,$domain)=@_; + my %returnhash=(); + foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) { + $_=~/^(.+)\_\d+/; + $returnhash{$1}=1; + } + return %returnhash; +} + + +sub store_instructor_comment { + my ($msg,$uname,$udom) = @_; + my $cid = $env{'request.course.id'}; + my $cnum = $env{'course.'.$cid.'.num'}; + my $cdom = $env{'course.'.$cid.'.domain'}; + my $subject= &mt('Record').' ['.$uname.':'.$udom.']'; + my $result = &user_normal_msg_raw($cnum,$cdom,$subject,$msg); + if ($result eq 'ok' || $result eq 'con_delayed') { + + } + return $result; +} + + +sub user_crit_msg_raw { + my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage, + $nosentstore,$recipid,$attachmenturl)=@_; # Check if allowed missing - my $status=''; + my ($status,$packed_message); my $msgid='undefined'; unless (($message)&&($user)&&($domain)) { $status='empty'; }; + my $text=$message; my $homeserver=&Apache::lonnet::homeserver($user,$domain); if ($homeserver ne 'no_host') { - ($msgid,$message)=&packagemsg($subject,$message); - if ($sendback) { $message.='true'; } - $status=&Apache::lonnet::critical( - 'put:'.$domain.':'.$user.':critical:'. - &Apache::lonnet::escape($msgid).'='. - &Apache::lonnet::escape($message),$homeserver); + ($msgid,$packed_message)=&packagemsg($subject,$message,undef,undef, + $attachmenturl,undef,undef,undef,undef,undef, + undef,undef,$recipid); + if ($sendback) { $packed_message.='true'; } + $status=&Apache::lonnet::cput('critical', {$msgid => $packed_message}, + $domain,$user); + if (defined($sentmessage)) { + $$sentmessage = $packed_message; + } + if (!$nosentstore) { + (undef,my $packed_message_no_citation) = + &packagemsg($subject,$message,undef,undef,$attachmenturl,$user, + $domain,$msgid); + if ($status eq 'ok' || $status eq 'con_delayed') { + &store_sent_mail($msgid,$packed_message_no_citation); + } + } } else { $status='no_host'; } + +# Notifications + my %userenv = &Apache::loncommon::getemails($user,$domain); + if ($userenv{'critnotification'}) { + &sendnotification($userenv{'critnotification'},$user,$domain,$subject,1, + $text,$msgid); + } + if ($toperm && $userenv{'permanentemail'}) { + &sendnotification($userenv{'permanentemail'},$user,$domain,$subject,1, + $text,$msgid); + } +# Log this &Apache::lonnet::logthis( 'Sending critical email '.$msgid. ', log status: '. - &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'}, + &Apache::lonnet::log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'}, 'Sending critical '.$msgid.' to '.$user.' at '.$domain.' with status: ' .$status)); return $status; } -# =================================================== Critical message received + + +sub user_crit_msg { + my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage, + $nosentstore,$recipid,$attachmenturl)=@_; + my @status; + my %userenv = &Apache::lonnet::get('environment',['msgforward'], + $domain,$user); + my $msgforward=$userenv{'msgforward'}; + if ($msgforward) { + foreach my $addr (split(/\,/,$msgforward)) { + my ($forwuser,$forwdomain)=split(/\:/,$addr); + push(@status, + &user_crit_msg_raw($forwuser,$forwdomain,$subject,$message, + $sendback,$toperm,$sentmessage,$nosentstore, + $recipid,$attachmenturl)); + } + } else { + push(@status, + &user_crit_msg_raw($user,$domain,$subject,$message,$sendback, + $toperm,$sentmessage,$nosentstore,$recipid, + $attachmenturl)); + } + if (wantarray) { + return @status; + } + return join(' ',@status); +} + sub user_crit_received { my $msgid=shift; my %message=&Apache::lonnet::get('critical',[$msgid]); - my %contents=&unpackagemsg($message{$msgid}); + my %contents=&unpackagemsg($message{$msgid},1); + my $destname = $contents{'sendername'}; + my $destdom = $contents{'senderdomain'}; + if ($contents{'replytoaddr'}) { + my ($repname,$repdom) = split(/:/,$contents{'replytoaddr'}); + if (&Apache::lonnet::homeserver($repname,$repdom) ne 'no_host') { + $destname = $repname; + $destdom = $repdom; + } + } my $status='rec: '.($contents{'sendback'}? - &user_normal_msg($contents{'sendername'},$contents{'senderdomain'}, - 'Receipt: '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}, - 'User '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. - ' acknowledged receipt of message "'. - $contents{'subject'}.'" dated '.$contents{'time'}.".\n\n" - .'Message ID: '.$contents{'msgid'}):'no msg req'); + &user_normal_msg($destname,$destdom,&mt('Receipt').': '.$env{'user.name'}. + ' '.&mt('at').' '.$env{'user.domain'}.', '. + $contents{'subject'},&mt('User').' '.$env{'user.name'}. + ' '.&mt('at').' '.$env{'user.domain'}. + ' acknowledged receipt of message'."\n".' "'. + $contents{'subject'}.'"'."\n".&mt('dated').' '. + $contents{'time'}.".\n" + ):'no msg req'); $status.=' trans: '. &Apache::lonnet::put( 'nohist_email',{$contents{'msgid'} => $message{$msgid}}); $status.=' del: '. &Apache::lonnet::del('critical',[$contents{'msgid'}]); - &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'},'Received critical message '. + &Apache::lonnet::log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'},'Received critical message '. $contents{'msgid'}. ', '.$status); return $status; } -# ======================================================== Normal communication -sub user_normal_msg { - my ($user,$domain,$subject,$message,$citation)=@_; + + +sub user_normal_msg_raw { + my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl, + $toperm,$currid,$newid,$sentmessage,$crsmsgid,$symb,$restitle, + $error,$nosentstore,$recipid)=@_; # Check if allowed missing - my $status=''; + my ($status,$packed_message); my $msgid='undefined'; + my $text=$message; unless (($message)&&($user)&&($domain)) { $status='empty'; }; my $homeserver=&Apache::lonnet::homeserver($user,$domain); if ($homeserver ne 'no_host') { - ($msgid,$message)=&packagemsg($subject,$message,$citation); - $status=&Apache::lonnet::critical( - 'put:'.$domain.':'.$user.':nohist_email:'. - &Apache::lonnet::escape($msgid).'='. - &Apache::lonnet::escape($message),$homeserver); - } else { + ($msgid,$packed_message)= + &packagemsg($subject,$message,$citation,$baseurl, + $attachmenturl,$user,$domain,$currid, + undef,$crsmsgid,$symb,$error,$recipid); + +# Store in user folder + $status= + &Apache::lonnet::cput('nohist_email',{$msgid => $packed_message}, + $domain,$user); +# Save new message received time + &Apache::lonnet::put + ('email_status',{'recnewemail'=>time},$domain,$user); +# Into sent-mail folder if sent mail storage required + if (!$nosentstore) { + (undef,my $packed_message_no_citation) = + &packagemsg($subject,$message,undef,$baseurl,$attachmenturl, + $user,$domain,$currid,undef,$crsmsgid,$symb,$error); + if ($status eq 'ok' || $status eq 'con_delayed') { + &store_sent_mail($msgid,$packed_message_no_citation); + } + } + if (ref($newid) eq 'SCALAR') { + $$newid = $msgid; + } + if (ref($sentmessage) eq 'SCALAR') { + $$sentmessage = $packed_message; + } +# Notifications + my %userenv = &Apache::loncommon::getemails($user,$domain); + if ($userenv{'notification'}) { + &sendnotification($userenv{'notification'},$user,$domain,$subject,0, + $text,$msgid); + } + if ($toperm && $userenv{'permanentemail'}) { + if ((!$userenv{'notification'}) || ($userenv{'notification'} ne $userenv{'permanentemail'})) { + &sendnotification($userenv{'permanentemail'},$user,$domain,$subject,0, + $text,$msgid); + } + } + &Apache::lonnet::log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'}, + 'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status); + } else { $status='no_host'; - } - &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'}, - 'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status); + } return $status; } -# =============================================================== Status Change - -sub statuschange { - my ($msgid,$newstatus)=@_; - my %status=&Apache::lonnet::get('email_status',[$msgid]); - if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; } - unless ($status{$msgid}) { $status{$msgid}='new'; } - unless (($status{$msgid} eq 'replied') || - ($status{$msgid} eq 'forwarded')) { - &Apache::lonnet::put('email_status',{$msgid => $newstatus}); - } - if (($newstatus eq 'deleted') || ($newstatus eq 'new')) { - &Apache::lonnet::put('email_status',{$msgid => $newstatus}); - } -} - -# ======================================================= Display a course list - -sub discourse { - my $r=shift; - my %courselist=&Apache::lonnet::dump( - 'classlist', - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); - my $now=time; - $r->print(< - -  - -  - -

-ENDDISHEADER - foreach (sort keys %courselist) { - my ($end,$start)=split(/\:/,$courselist{$_}); - my $active=1; - if (($end) && ($now>$end)) { $active=0; } - if ($active) { - my ($sname,$sdom)=split(/\:/,$_); - my %reply=&Apache::lonnet::get('environment', - ['firstname','middlename','lastname','generation'], - $sdom,$sname); - my $section=&Apache::lonnet::usection - ($sdom,$sname,$ENV{'request.course.id'}); - $r->print( - '
'. - $reply{'firstname'}.' '. - $reply{'middlename'}.' '. - $reply{'lastname'}.' '. - $reply{'generation'}. - ' ('.$_.') '.$section); - } + if ($senderdom eq '') { + $senderdom = $env{'user.domain'}; } + my $status =' '.&Apache::lonnet::cput('nohist_email_sent', + {$msgid => $message}, + $senderdom,$senderuname); + return $status; } -# ==================================================== Display Critical Message - -sub discrit { - my $r=shift; - my $header = '

Critical Messages

'. - '
'. - ''; - my %what=&Apache::lonnet::dump('critical'); - my $result = ''; - foreach (sort keys %what) { - my %content=&unpackagemsg($what{$_}); - next if ($content{'senderdomain'} eq ''); - $content{'message'}=~s/\n/\/g; - $result.='
From: '.$content{'sendername'}.'@'. - $content{'senderdomain'}.' ('.$content{'time'}. - ')
'.$content{'message'}.'
'. - ''. - ''; - } - # Check to see if there were any messages. - if ($result eq '') { - $result = "

You have no critical messages.

"; +sub store_recipients { + my ($subject,$sendername,$senderdom,$reciphash) = @_; + my $context = &get_course_context(); + my $now = time(); + my $msgcount = &get_uniq(); + my $recipid = + &buildmsgid($now,$subject,$sendername,$senderdom,$msgcount,$context,$$); + my %recipinfo = ( + $recipid => $reciphash, + ); + my $status = &Apache::lonnet::put('nohist_emailrecip',\%recipinfo, + $senderdom,$sendername); + if ($status eq 'ok') { + return ($recipid,$status); } else { - $r->print($header); + return (undef,$status); } - $r->print($result); - $r->print(''); } -# =============================================================== Compose reply -sub comprep { - my ($r,$msgid)=@_; - my %message=&Apache::lonnet::get('nohist_email',[$msgid]); - my %content=&unpackagemsg($message{$msgid}); - my $quotemsg='> '.$content{'message'}; - $quotemsg=~s/\r/\n/g; - $quotemsg=~s/\f/\n/g; - $quotemsg=~s/\n+/\n\> /g; - my $subject='Re: '.$content{'subject'}; - my $dispcrit=''; - if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) { - $dispcrit= - ' Send as critical message
'. - ' Send as critical message'. - ' and return receipt

'; - } - $r->print(<<"ENDREPLY"); -

- -Subject:

-

-$dispcrit - -

-ENDREPLY -} - -# ======================================================== Display all messages - -sub disall { - my $r=shift; - $r->print(< - function checkall() { - for (i=0; i -ENDDISHEADER - $r->print( - '

Display All Messages

'. - ''. - ''); - foreach (sort split(/\&/,&Apache::lonnet::reply('keys:'. - $ENV{'user.domain'}.':'. - $ENV{'user.name'}.':nohist_email', - $ENV{'user.home'}))) { - my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)= - &Apache::lonmsg::unpackmsgid($_); - unless ($status eq 'deleted') { - if ($status eq 'new') { - $r->print(''); - } elsif ($status eq 'read') { - $r->print(''); - } elsif ($status eq 'replied') { - $r->print(''); - } else { - $r->print(''); - } - $r->print(''. - ''); - } + if (defined($userfolders{$counter})) { + delete($userfolders{$counter}); } - $r->print('
 DateUsernameDomainSubjectStatus
OpenDelete'.localtime($sendtime).''. - $fromname.''.$fromdomain.''. - &Apache::lonnet::unescape($shortsubj).''. - $status.'

'. - 'Check All '. - 'Uncheck All

'. - ''. - '

'); -} - -# ============================================================== Compose output - -sub compout { - my ($r,$forwarding,$broadcast)=@_; - my $dispcrit=''; - my $dissub=''; - my $dismsg=''; - my $func='Send New'; - if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) { - $dispcrit= - ' Send as critical message
'. - ' Send as critical message'. - ' and return receipt

'; - } - if ($forwarding) { - $dispcrit.=''; - $func='Forward'; - my %message=&Apache::lonnet::get('nohist_email',[$forwarding]); - my %content=&unpackagemsg($message{$forwarding}); - - $dissub='Forwarding: '.$content{'subject'}; - $dismsg='Forwarded message from '. - $content{'sendername'}.' at '.$content{'senderdomain'}; - } - my $defdom=$ENV{'user.domain'}; - $r->print( - '

'."\n". - ''."\n". - ''); - unless (($broadcast eq 'group') || ($broadcast eq 'upload')) { - my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain'); - - $r->print(<<"ENDREC"); -
- - - -ENDREC - } - if ($broadcast ne 'upload') { - $r->print(<<"ENDCOMP"); - -
Username:
Domain:$domform
Additional Recipients
username\@domain,username\@domain, ... -		 -
Subject: -
-

-$dispcrit - -ENDCOMP - } else { # $broadcast is 'upload' - $r->print(< -

Generate messages from a file

-

-Subject: -

-

General message text
-

-

-The file format for the uploaded portion of the message is: -

-username1\@domain1: text
-username2\@domain2: text
-username3\@domain1: text
-
-

-

-The messages will be assembled from all lines with the respective -username\@domain, and appended to the general message text.

-

-

-$dispcrit - -ENDUPLOAD - } - if ($broadcast eq 'group') { - &discourse; - } - $r->print('

'); -} - -# ===================================================================== Handler - -sub handler { - my $r=shift; - -# ----------------------------------------------------------- Set document type - - $r->content_type('text/html'); - $r->send_http_header; - - return OK if $r->header_only; - -# --------------------------- Get query string for limited number of parameters - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, - ['display','replyto','forward','markread','markdel','markunread', - 'sendreply','compose','sendmail','critical']); - -# --------------------------------------------------------------- Render Output - - $r->print('EMail and Messaging'); - $r->print( - ''); - $r->print('

EMail

'); - if ($ENV{'form.display'}) { - my $msgid=$ENV{'form.display'}; - &statuschange($msgid,'read'); - my %message=&Apache::lonnet::get('nohist_email',[$msgid]); - my %content=&unpackagemsg($message{$msgid}); - $r->print('Subject: '.$content{'subject'}. - '
From: '.$content{'sendername'}.' at '. - $content{'senderdomain'}. - '
Time: '.$content{'time'}.'

'. - ''. - ''. - ''. - ''. - ''. - '
Functions:ReplyForwardMark UnreadDisplay all Messages

'.
-             $content{'message'}.'
'.$content{'citation'}); - } elsif ($ENV{'form.replyto'}) { - &comprep($r,$ENV{'form.replyto'}); - } elsif ($ENV{'form.sendreply'}) { - my $msgid=$ENV{'form.sendreply'}; - my %message=&Apache::lonnet::get('nohist_email',[$msgid]); - my %content=&unpackagemsg($message{$msgid}); - &statuschange($msgid,'replied'); - if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && - (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) { - $r->print('Sending critical: '. - &user_crit_msg($content{'sendername'}, - $content{'senderdomain'}, - $ENV{'form.subject'}, - $ENV{'form.message'}, - $ENV{'form.sendbck'})); - } else { - $r->print('Sending: '.&user_normal_msg($content{'sendername'}, - $content{'senderdomain'}, - $ENV{'form.subject'}, - $ENV{'form.message'})); - } - if ($ENV{'form.displayedcrit'}) { - &discrit($r); - } else { - &disall($r); - } - } elsif ($ENV{'form.confirm'}) { - foreach (keys %ENV) { - if ($_=~/^form\.rec\_(.*)$/) { - $r->print('Confirming Receipt: '. - &user_crit_received($1).'
'); - } - if ($_=~/^form\.reprec\_(.*)$/) { - my $msgid=$1; - $r->print('Confirming Receipt: '. - &user_crit_received($msgid).'
'); - &comprep($r,$msgid); - } - } - &discrit($r); - } elsif ($ENV{'form.critical'}) { - &discrit($r); - } elsif ($ENV{'form.forward'}) { - &compout($r,$ENV{'form.forward'}); - } elsif ($ENV{'form.markread'}) { - } elsif ($ENV{'form.markdel'}) { - &statuschange($ENV{'form.markdel'},'deleted'); - &disall($r); - } elsif ($ENV{'form.markeddel'}) { - my $total=0; - foreach (keys %ENV) { - if ($_=~/^form\.delmark_(.*)$/) { - &statuschange(&Apache::lonnet::unescape($1),'deleted'); - $total++; - } - } - $r->print('Deleted '.$total.' message(s)

'); - &disall($r); - } elsif ($ENV{'form.markunread'}) { - &statuschange($ENV{'form.markunread'},'new'); - &disall($r); - } elsif ($ENV{'form.compose'}) { - &compout($r,'',$ENV{'form.compose'}); - } elsif ($ENV{'form.sendmail'}) { - my %content=(); - undef %content; - if ($ENV{'form.forwid'}) { - my $msgid=$ENV{'form.forwid'}; - my %message=&Apache::lonnet::get('nohist_email',[$msgid]); - %content=&unpackagemsg($message{$msgid}); - &statuschange($msgid,'forwarded'); - $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n". - $content{'message'}; - } - my %toaddr=(); - undef %toaddr; - if ($ENV{'form.sendmode'} eq 'group') { - foreach (keys %ENV) { - if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) { - $toaddr{$1}=''; - } - } - } elsif ($ENV{'form.sendmode'} eq 'upload') { - foreach (split(/[\n\r\f]+/,$ENV{'form.upfile'})) { - my ($rec,$txt)=split(/\s*\:\s*/,$_); - if ($txt) { - $rec=~s/\@/\:/; - $toaddr{$rec}.=$txt."\n"; - } - } - } else { - $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}=''; - } - if ($ENV{'form.additionalrec'}) { - foreach (split(/\,/,$ENV{'form.additionalrec'})) { - my ($auname,$audom)=split(/\@/,$_); - $toaddr{$auname.':'.$audom}=''; - } - } - foreach (keys %toaddr) { - my ($recuname,$recdomain)=split(/\:/,$_); - my $msgtxt=$ENV{'form.message'}; - if ($toaddr{$_}) { $msgtxt.='

'.$toaddr{$_}; } - if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && - (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) { - $r->print('Sending critical: '. - &user_crit_msg($recuname,$recdomain, - $ENV{'form.subject'}, - $msgtxt, - $ENV{'form.sendbck'})); - } else { - $r->print('Sending: '.&user_normal_msg($recuname,$recdomain, - $ENV{'form.subject'}, - $msgtxt, - $content{'citation'})); - } - $r->print('
'); - } - if ($ENV{'form.displayedcrit'}) { - &discrit($r); - } else { - &disall($r); - } - } else { - &disall($r); - } - $r->print(''); - return OK; + return %userfolders; +} +sub secapply { + my $rec=shift; + my $defaultflag=shift; + $rec=~s/\s+//g; + $rec=~s/\@/\:/g; + my ($adr,$sections_or_groups)=($rec=~/^([^\(]+)\(([^\)]+)\)/); + if ($sections_or_groups) { + foreach my $item (split(/\;/,$sections_or_groups)) { + if (($item eq $env{'request.course.sec'}) || + ($defaultflag && ($item eq '*'))) { + return $adr; + } elsif ($env{'request.course.groups'}) { + my @usersgroups = split(/:/,$env{'request.course.groups'}); + if (grep(/^\Q$item\E$/,@usersgroups)) { + return $adr; + } + } + } + } else { + return $rec; + } + return ''; } -# ================================================= Main program, reset counter -BEGIN { - $msgcount=0; +sub decide_receiver { + my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; + &Apache::lonenc::check_decrypt(\$feedurl); + my $typestyle=''; + my %to=(); + if ($env{'form.discuss'} eq 'author' ||$author) { + $typestyle.='Submitting as Author Feedback
'; + $feedurl=~ m{^/res/($LONCAPA::domain_re)/($LONCAPA::username_re)/}; + $to{$2.':'.$1}=1; + } + my $cid = $env{'request.course.id'}; + if ($env{'form.discuss'} eq 'question' ||$question) { + $typestyle.=&mt('Submitting as Question').'
'; + foreach my $item (split(/\,/,$env{'course.'.$cid.'.question.email'})) { + my $rec=&secapply($item,$defaultflag); + if ($rec) { $to{$rec}=1; } + } + } + if ($env{'form.discuss'} eq 'course' ||$course) { + $typestyle.=&mt('Submitting as Comment').'
'; + foreach my $item (split(/\,/,$env{'course.'.$cid.'.comment.email'})) { + my $rec=&secapply($item,$defaultflag); + if ($rec) { $to{$rec}=1; } + } + } + if ($env{'form.discuss'} eq 'policy' ||$policy) { + $typestyle.=&mt('Submitting as Policy Feedback').'
'; + foreach my $item (split(/\,/,$env{'course.'.$cid.'.policy.email'})) { + my $rec=&secapply($item,$defaultflag); + if ($rec) { $to{$rec}=1; } + } + } + if ((scalar(%to) eq '0') && (!$defaultflag)) { + ($typestyle,%to)= + &decide_receiver($feedurl,$author,$question,$course,$policy,1); + } + return ($typestyle,%to); } 1; __END__ - - - - - - 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.