init III
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303
Perl OTRS/Kernel/cpan-lib/Sisimai/Bite/Email/Facebook.pm
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303
Perl OTRS/Kernel/cpan-lib/Sisimai/Bite/Email/Facebook.pm
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package Sisimai::Bite::Email::Facebook;
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use parent 'Sisimai::Bite::Email';
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use feature ':5.10';
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use strict;
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use warnings;
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my $Indicators = __PACKAGE__->INDICATORS;
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my $StartingOf = {
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'message' => ['This message was created automatically by Facebook.'],
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'rfc822' => ['Content-Disposition: inline'],
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};
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my $ErrorCodes = {
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# http://postmaster.facebook.com/response_codes
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# NOT TESTD EXCEPT RCP-P2
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'userunknown' => [
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'RCP-P1', # The attempted recipient address does not exist.
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'INT-P1', # The attempted recipient address does not exist.
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'INT-P3', # The attempted recpient group address does not exist.
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'INT-P4', # The attempted recipient address does not exist.
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],
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'filtered' => [
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'RCP-P2', # The attempted recipient's preferences prevent messages from being delivered.
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'RCP-P3', # The attempted recipient's privacy settings blocked the delivery.
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],
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'mesgtoobig' => [
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'MSG-P1', # The message exceeds Facebook's maximum allowed size.
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'INT-P2', # The message exceeds Facebook's maximum allowed size.
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],
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'contenterror' => [
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'MSG-P2', # The message contains an attachment type that Facebook does not accept.
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'MSG-P3', # The message contains multiple instances of a header field that can only be present once. Please see RFC 5322, section 3.6 for more information
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'POL-P6', # The message contains a url that has been blocked by Facebook.
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'POL-P7', # The message does not comply with Facebook's abuse policies and will not be accepted.
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],
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'securityerror' => [
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'POL-P1', # Your mail server's IP Address is listed on the Spamhaus PBL.
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'POL-P2', # Facebook will no longer accept mail from your mail server's IP Address.
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'POL-P5', # The message contains a virus.
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'POL-P7', # The message does not comply with Facebook's Domain Authentication requirements.
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],
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'notaccept' => [
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'POL-P3', # Facebook is not accepting messages from your mail server. This will persist for 4 to 8 hours.
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'POL-P4', # Facebook is not accepting messages from your mail server. This will persist for 24 to 48 hours.
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'POL-T1', # Facebook is not accepting messages from your mail server, but they may be retried later. This will persist for 1 to 2 hours.
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'POL-T2', # Facebook is not accepting messages from your mail server, but they may be retried later. This will persist for 4 to 8 hours.
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'POL-T3', # Facebook is not accepting messages from your mail server, but they may be retried later. This will persist for 24 to 48 hours.
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],
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'rejected' => [
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'DNS-P1', # Your SMTP MAIL FROM domain does not exist.
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'DNS-P2', # Your SMTP MAIL FROM domain does not have an MX record.
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'DNS-T1', # Your SMTP MAIL FROM domain exists but does not currently resolve.
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'DNS-P3', # Your mail server does not have a reverse DNS record.
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'DNS-T2', # You mail server's reverse DNS record does not currently resolve.
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],
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'systemerror' => [
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'CON-T1', # Facebook's mail server currently has too many connections open to allow another one.
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],
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'toomanyconn' => [
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'CON-T3', # Your mail server has opened too many new connections to Facebook's mail servers in a short period of time.
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],
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'suspend' => [
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'RCP-T4', # The attempted recipient address is currently deactivated. The user may or may not reactivate it.
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],
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'undefined' => [
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'RCP-T1', # The attempted recipient address is not currently available due to an internal system issue. This is a temporary condition.
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'MSG-T1', # The number of recipients on the message exceeds Facebook's allowed maximum.
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'CON-T2', # Your mail server currently has too many connections open to Facebook's mail servers.
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'CON-T4', # Your mail server has exceeded the maximum number of recipients for its current connection.
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],
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};
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sub description { 'Facebook: https://www.facebook.com' }
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sub scan {
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# Detect an error from Facebook
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# @param [Hash] mhead Message headers of a bounce email
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# @options mhead [String] from From header
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# @options mhead [String] date Date header
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# @options mhead [String] subject Subject header
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# @options mhead [Array] received Received headers
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# @options mhead [String] others Other required headers
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# @param [String] mbody Message body of a bounce email
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# @return [Hash, Undef] Bounce data list and message/rfc822 part
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# or Undef if it failed to parse or the
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# arguments are missing
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# @since v4.0.0
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my $class = shift;
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my $mhead = shift // return undef;
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my $mbody = shift // return undef;
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return undef unless $mhead->{'from'} eq 'Facebook <mailer-daemon@mx.facebook.com>';
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return undef unless $mhead->{'subject'} eq 'Sorry, your message could not be delivered';
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my $dscontents = [__PACKAGE__->DELIVERYSTATUS];
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my @hasdivided = split("\n", $$mbody);
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my $rfc822part = ''; # (String) message/rfc822-headers part
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my $rfc822list = []; # (Array) Each line in message/rfc822 part string
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my $blanklines = 0; # (Integer) The number of blank lines
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my $readcursor = 0; # (Integer) Points the current cursor position
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my $recipients = 0; # (Integer) The number of 'Final-Recipient' header
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my $fbresponse = ''; # (String) Response code from Facebook
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my $connvalues = 0; # (Integer) Flag, 1 if all the value of $connheader have been set
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my $connheader = {
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'date' => '', # The value of Arrival-Date header
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'lhost' => '', # The value of Reporting-MTA header
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};
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my $v = undef;
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my $p = '';
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for my $e ( @hasdivided ) {
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# Read each line between the start of the message and the start of rfc822 part.
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unless( $readcursor ) {
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# Beginning of the bounce message or delivery status part
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if( index($e, $StartingOf->{'message'}->[0]) == 0 ) {
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$readcursor |= $Indicators->{'deliverystatus'};
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next;
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}
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}
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unless( $readcursor & $Indicators->{'message-rfc822'} ) {
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# Beginning of the original message part
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if( index($e, $StartingOf->{'rfc822'}->[0]) == 0 ) {
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$readcursor |= $Indicators->{'message-rfc822'};
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next;
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}
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}
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if( $readcursor & $Indicators->{'message-rfc822'} ) {
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# After "message/rfc822"
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unless( length $e ) {
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$blanklines++;
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last if $blanklines > 1;
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next;
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}
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push @$rfc822list, $e;
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} else {
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# Before "message/rfc822"
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next unless $readcursor & $Indicators->{'deliverystatus'};
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next unless length $e;
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if( $connvalues == scalar(keys %$connheader) ) {
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# Reporting-MTA: dns; 10.138.205.200
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# Arrival-Date: Thu, 23 Jun 2011 02:29:43 -0700
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$v = $dscontents->[-1];
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if( $e =~ /\AFinal-Recipient:[ ]*(?:RFC|rfc)822;[ ]*([^ ]+)\z/ ) {
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# Final-Recipient: RFC822; userunknown@example.jp
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if( $v->{'recipient'} ) {
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# There are multiple recipient addresses in the message body.
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push @$dscontents, __PACKAGE__->DELIVERYSTATUS;
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$v = $dscontents->[-1];
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}
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$v->{'recipient'} = $1;
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$recipients++;
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} elsif( $e =~ /\AX-Actual-Recipient:[ ]*(?:RFC|rfc)822;[ ]*(.+)\z/ ) {
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# X-Actual-Recipient: RFC822; kijitora@example.co.jp
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$v->{'alias'} = $1;
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} elsif( $e =~ /\AAction:[ ]*(.+)\z/ ) {
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# Action: failed
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$v->{'action'} = lc $1;
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} elsif( $e =~ /\AStatus:[ ]*(\d[.]\d+[.]\d+)/ ) {
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# Status: 5.1.1
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# Status:5.2.0
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# Status: 5.1.0 (permanent failure)
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$v->{'status'} = $1;
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} elsif( $e =~ /\ARemote-MTA:[ ]*(?:DNS|dns);[ ]*(.+)\z/ ) {
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# Remote-MTA: DNS; mx.example.jp
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$v->{'rhost'} = lc $1;
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} elsif( $e =~ /\ALast-Attempt-Date:[ ]*(.+)\z/ ) {
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# Last-Attempt-Date: Fri, 14 Feb 2014 12:30:08 -0500
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$v->{'date'} = $1;
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} else {
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if( $e =~ /\ADiagnostic-Code:[ ]*(.+?);[ ]*(.+)\z/ ) {
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# Diagnostic-Code: smtp; 550 5.1.1 RCP-P2
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# http://postmaster.facebook.com/response_codes?ip=192.0.2.135#rcp Refused due to recipient preferences
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$v->{'spec'} = uc $1;
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$v->{'diagnosis'} = $2;
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} elsif( index($p, 'Diagnostic-Code:') == 0 && $e =~ /\A[ \t]+(.+)\z/ ) {
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# Continued line of the value of Diagnostic-Code header
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$v->{'diagnosis'} .= ' '.$1;
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$e = 'Diagnostic-Code: '.$e;
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}
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}
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} else {
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if( $e =~ /\AReporting-MTA:[ ]*(?:DNS|dns);[ ]*(.+)\z/ ) {
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# Reporting-MTA: dns; mx.example.jp
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next if $connheader->{'lhost'};
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$connheader->{'lhost'} = lc $1;
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$connvalues++;
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} elsif( $e =~ /\AArrival-Date:[ ]*(.+)\z/ ) {
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# Arrival-Date: Wed, 29 Apr 2009 16:03:18 +0900
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next if $connheader->{'date'};
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$connheader->{'date'} = $1;
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$connvalues++;
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}
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}
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} # End of if: rfc822
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} continue {
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# Save the current line for the next loop
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$p = $e;
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}
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return undef unless $recipients;
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for my $e ( @$dscontents ) {
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$e->{'agent'} = __PACKAGE__->smtpagent;
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$e->{'lhost'} ||= $connheader->{'lhost'};
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$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'});
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if( $e->{'diagnosis'} =~ /\b([A-Z]{3})[-]([A-Z])(\d)\b/ ) {
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# Diagnostic-Code: smtp; 550 5.1.1 RCP-P2
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my $lhs = $1;
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my $rhs = $2;
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my $num = $3;
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$fbresponse = sprintf("%s-%s%d", $lhs, $rhs, $num);
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}
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SESSION: for my $r ( keys %$ErrorCodes ) {
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# Verify each regular expression of session errors
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PATTERN: for my $rr ( @{ $ErrorCodes->{ $r } } ) {
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# Check each regular expression
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next(PATTERN) unless $fbresponse eq $rr;
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$e->{'reason'} = $r;
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last(SESSION);
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}
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}
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# http://postmaster.facebook.com/response_codes
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# Facebook System Resource Issues
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# These codes indicate a temporary issue internal to Facebook's
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# system. Administrators observing these issues are not required to
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# take any action to correct them.
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next if $e->{'reason'};
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# * INT-Tx
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#
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# https://groups.google.com/forum/#!topic/cdmix/eXfi4ddgYLQ
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# This block has not been tested because we have no email sample
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# including "INT-T?" error code.
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next unless $fbresponse =~ /\AINT-T\d+\z/;
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$e->{'reason'} = 'systemerror';
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}
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$rfc822part = Sisimai::RFC5322->weedout($rfc822list);
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return { 'ds' => $dscontents, 'rfc822' => $$rfc822part };
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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Sisimai::Bite::Email::Facebook - bounce mail parser class for C<Facebook>.
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=head1 SYNOPSIS
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use Sisimai::Bite::Email::Facebook;
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=head1 DESCRIPTION
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Sisimai::Bite::Email::Facebook parses a bounce email which created by C<Facebook>.
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Methods in the module are called from only Sisimai::Message.
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=head1 CLASS METHODS
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=head2 C<B<description()>>
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C<description()> returns description string of this module.
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print Sisimai::Bite::Email::Facebook->description;
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=head2 C<B<smtpagent()>>
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C<smtpagent()> returns MTA name.
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print Sisimai::Bite::Email::Facebook->smtpagent;
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=head2 C<B<scan(I<header data>, I<reference to body string>)>>
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C<scan()> method parses a bounced email and return results as a array reference.
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See Sisimai::Message for more details.
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=head1 AUTHOR
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azumakuniyuki
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=head1 COPYRIGHT
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Copyright (C) 2014-2018 azumakuniyuki, All rights reserved.
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=head1 LICENSE
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This software is distributed under The BSD 2-Clause License.
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=cut
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