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[mfinanz.git] / SL / Mailer.pm

diff --git a/SL/Mailer.pm b/SL/Mailer.pm
index 7b011d4b0ddb1076454bf36bb949ee57b3a6df95..f242120a964c89ec1593303556a7b49431ff46c4 100644 (file)
--- a/SL/Mailer.pm
+++ b/SL/Mailer.pm
@@ -5,14 +5,6 @@
 # Web http://www.lx-office.org
 #
 #=====================================================================
 # Web http://www.lx-office.org
 #
 #=====================================================================

-# SQL-Ledger Accounting
-# Copyright (C) 2001
-#
-#  Author: Dieter Simader
-#   Email: dsimader@sql-ledger.org
-#     Web: http://www.sql-ledger.org
-#
-# Contributors:

 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by


@@ -25,206 +17,440 @@
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software

-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1335, USA.

 #======================================================================
 
 package Mailer;
 
 #======================================================================
 
 package Mailer;
 

+use Email::Address;
+use Email::MIME::Creator;
+use Encode;
+use File::MimeInfo::Magic;
+use File::Slurp;
+use List::UtilsBy qw(bundle_by);
+use List::Util qw(sum);
+

 use SL::Common;
 use SL::Common;

+use SL::DB::EmailJournal;
+use SL::DB::EmailJournalAttachment;
+use SL::DB::Employee;
+use SL::Locale::String qw(t8);
+use SL::Template;
+use SL::Version;
+
+use strict;
+
+my $num_sent = 0;
+
+my %mail_delivery_modules = (
+  sendmail => 'SL::Mailer::Sendmail',
+  smtp     => 'SL::Mailer::SMTP',
+);
+
+my %type_to_table = (
+  sales_quotation         => 'oe',
+  request_quotation       => 'oe',
+  sales_order             => 'oe',
+  purchase_order          => 'oe',
+  invoice                 => 'ar',
+  credit_note             => 'ar',
+  purchase_invoice        => 'ap',
+  letter                  => 'letter',
+  purchase_delivery_order => 'delivery_orders',
+  sales_delivery_order    => 'delivery_orders',
+  dunning                 => 'dunning',
+);

 
 sub new {
 
 sub new {

-  $main::lxdebug->enter_sub();
+  my ($type, %params) = @_;
+  my $self = { %params };
+
+  bless $self, $type;
+}

 
 

-  my ($type) = @_;
-  my $self = {};
+sub _create_driver {
+  my ($self) = @_;

 
 

-  $main::lxdebug->leave_sub();
+  my %params = (
+    mailer   => $self,
+    form     => $::form,
+    myconfig => \%::myconfig,
+  );

 
 

-  bless $self, $type;
+  my $module = $mail_delivery_modules{ $::lx_office_conf{mail_delivery}->{method} };
+  eval "require $module" or return undef;
+
+  return $module->new(%params);

 }
 
 }
 

-sub mime_quote_text {
-  $main::lxdebug->enter_sub();
+sub _cleanup_addresses {
+  my ($self) = @_;

 
 

-  my ($self, $text, $chars_left) = @_;
+  foreach my $item (qw(to cc bcc)) {
+    next unless $self->{$item};

 
 

-  my $q_start = "=?$self->{charset}?Q?";
-  my $l_start = length($q_start);
+    $self->{$item} =~ s/\&lt;/</g;
+    $self->{$item} =~ s/\$<\$/</g;
+    $self->{$item} =~ s/\&gt;/>/g;
+    $self->{$item} =~ s/\$>\$/>/g;
+  }
+}

 
 

-  my $new_text = "$q_start";
-  $chars_left -= $l_start;
+sub _create_message_id {
+  my ($self) = @_;

 
 

-  for (my $i = 0; $i < length($text); $i++) {
-    my $char = ord(substr($text, $i, 1));
+  $num_sent  +=  1;
+  my $domain  =  $self->{from};
+  $domain     =~ s/.*\@//;
+  $domain     =~ s/>.*//;

 
 

-    if (($char < 32) || ($char > 127) ||
-        ($char == ord('?')) || ($char == ord('_'))) {
-      if ($chars_left < 5) {
-        $new_text .= "?=\n $q_start";
-        $chars_left = 75 - $l_start;
-      }
+  return  "kivitendo-" . SL::Version->get_version . "-" . time() . "-${$}-${num_sent}\@$domain";
+}
+
+sub _create_address_headers {
+  my ($self) = @_;
+
+  # $self->{addresses} collects the recipients for use in e.g. the
+  # SMTP 'RCPT TO:' envelope command. $self->{headers} collects the
+  # headers that make up the actual email. 'BCC' should not be
+  # included there for certain transportation methods (SMTP).
+
+  $self->{addresses} = {};
+
+  foreach my $item (qw(from to cc bcc)) {
+    $self->{addresses}->{$item} = [];
+    next if !$self->{$item};
+
+    my @header_addresses;
+    my @addresses = Email::Address->parse($self->{$item});
+
+    # if either no address was parsed or
+    # there are more than 3 characters per parsed email extra, assume the the user has entered bunk
+    if (!@addresses) {
+       die t8('"#1" seems to be a faulty list of email addresses. No addresses could be extracted.',
+         $self->{$item},
+       );
+    } elsif ((length($self->{$item}) - sum map { length $_->original } @addresses) / @addresses > 3) {
+       die t8('"#1" seems to be a faulty list of email addresses. After extracing addresses (#2) too many characters are left.',
+         $self->{$item}, join ', ', map { $_->original } @addresses,
+       );
+    }

 
 

-      $new_text .= sprintf("=%02X", $char);
-      $chars_left -= 3;
+    foreach my $addr_obj (@addresses) {
+      push @{ $self->{addresses}->{$item} }, $addr_obj->address;
+      next if $self->{driver}->keep_from_header($item);

 
 

-    } else {
-      $char = ord('_') if ($char == ord(' '));
-      if ($chars_left < 5) {
-        $new_text .= "?=\n $q_start";
-        $chars_left = 75 - $l_start;
+      my $phrase = $addr_obj->phrase();
+      if ($phrase) {
+        $phrase =~ s/^\"//;
+        $phrase =~ s/\"$//;
+        $addr_obj->phrase($phrase);

       }
 
       }
 

-      $new_text .= chr($char);
-      $chars_left--;
+      push @header_addresses, $addr_obj->format;

     }
     }

+
+    push @{ $self->{headers} }, ( ucfirst($item) => join(', ', @header_addresses) ) if @header_addresses;
+  }
+}
+
+sub _create_attachment_part {
+  my ($self, $attachment) = @_;
+
+  my %attributes = (
+    disposition  => 'attachment',
+    encoding     => 'base64',
+  );
+
+  my $attachment_content;
+  my $file_id       = 0;
+  my $email_journal = $::instance_conf->get_email_journal;
+
+  if (ref($attachment) eq "HASH") {
+    $attributes{filename}     = $attachment->{name};
+    $file_id                  = $attachment->{id}   || '0';
+    $attributes{content_type} = $attachment->{type} || 'application/pdf';
+    $attachment_content       = $attachment->{content};
+    $attachment_content       = eval { read_file($attachment->{path}) } if !$attachment_content;
+
+  } else {
+    $attributes{filename} =  $attachment;
+    $attributes{filename} =~ s:.*\Q$self->{fileid}\E:: if $self->{fileid};
+    $attributes{filename} =~ s:.*/::g;
+
+    my $application             = ($attachment =~ /(^\w+$)|\.(html|text|txt|sql)$/) ? 'text' : 'application';
+    $attributes{content_type}   = File::MimeInfo::Magic::magic($attachment);
+    $attributes{content_type} ||= "${application}/$self->{format}" if $self->{format};
+    $attributes{content_type} ||= 'application/octet-stream';
+    $attachment_content         = eval { read_file($attachment) };

   }
 
   }
 

-  $new_text .= "?=";
+  return undef if $email_journal > 1 && !defined $attachment_content;

 
 

-  $main::lxdebug->leave_sub();
+  $attachment_content ||= ' ';
+  $attributes{charset}  = $self->{charset} if $self->{charset} && ($attributes{content_type} =~ m{^text/});

 
 

-  return $new_text;
+  my $ent;
+  if ( $attributes{content_type} eq 'message/rfc822' ) {
+    $ent = Email::MIME->new($attachment_content);
+  } else {
+    $ent = Email::MIME->create(
+      attributes => \%attributes,
+      body       => $attachment_content,
+    );
+  }
+
+  # Due to a bug in Email::MIME it's not enough to hand over the encoded file name in the "attributes" hash in the
+  # "create" call. Email::MIME iterates over the keys in the hash, and depending on which key it has already seen during
+  # the iteration it might revert the encoding. As Perl's hash key order is randomized for each Perl run, this means
+  # that the file name stays unencoded sometimes.
+  # Setting the header manually after the "create" call circumvents this problem.
+  $ent->header_set('Content-disposition' => 'attachment; filename="' . encode('MIME-Q', $attributes{filename}) . '"');
+
+  push @{ $self->{mail_attachments}} , SL::DB::EmailJournalAttachment->new(
+    name      => $attributes{filename},
+    mime_type => $attributes{content_type},
+    content   => ( $email_journal > 1 ? $attachment_content : ' '),
+    file_id   => $file_id,
+  );
+
+  return $ent;
+}
+
+sub _create_message {
+  my ($self) = @_;
+
+  my @parts;
+
+  if ($self->{message}) {
+    push @parts, Email::MIME->create(
+      attributes => {
+        content_type => $self->{content_type},
+        charset      => $self->{charset},
+        encoding     => 'quoted-printable',
+      },
+      body_str => $self->{message},
+    );
+
+    push @{ $self->{headers} }, (
+      'Content-Type' => qq|$self->{content_type}; charset="$self->{charset}"|,
+    );
+  }
+
+  push @parts, grep { $_ } map { $self->_create_attachment_part($_) } @{ $self->{attachments} || [] };
+
+  return Email::MIME->create(
+      header_str => $self->{headers},
+      parts      => \@parts,
+  );

 }
 
 sub send {
 }
 
 sub send {

-  $main::lxdebug->enter_sub();
+  my ($self) = @_;

 
 

+  # Create driver for delivery method (sendmail/SMTP)
+  $self->{driver} = eval { $self->_create_driver };
+  if (!$self->{driver}) {
+    my $error = $@;
+    $self->_store_in_journal('failed', 'driver could not be created; check your configuration & log files');
+    $::lxdebug->message(LXDebug::WARN(), "Mailer error during 'send': $error");
+
+    return $error;
+  }
+
+  # Set defaults & headers
+  $self->{charset}        =  'UTF-8';
+  $self->{content_type} ||=  "text/plain";
+  $self->{headers}      ||=  [];
+  push @{ $self->{headers} }, (
+    Subject               => $self->{subject},
+    'Message-ID'          => '<' . $self->_create_message_id . '>',
+    'X-Mailer'            => "kivitendo " . SL::Version->get_version,
+  );
+  $self->{mail_attachments} = [];
+
+  my $error;
+  my $ok = eval {
+    # Clean up To/Cc/Bcc address fields
+    $self->_cleanup_addresses;
+    $self->_create_address_headers;
+
+    my $email = $self->_create_message;
+
+    my $from_obj = (Email::Address->parse($self->{from}))[0];
+
+    $self->{driver}->start_mail(from => $from_obj->address, to => [ $self->_all_recipients ]);
+    $self->{driver}->print($email->as_string);
+    $self->{driver}->send;
+
+    1;
+  };
+
+  $error = $@ if !$ok;
+
+  # create journal and link to record
+  $self->{journalentry} = $self->_store_in_journal;
+  $self->_create_record_link if $self->{journalentry};
+
+  return $ok ? '' : ($error || "undefined error");
+}
+
+sub _all_recipients {

   my ($self) = @_;
   my ($self) = @_;

+  $self->{addresses} ||= {};
+  return map { @{ $self->{addresses}->{$_} || [] } } qw(to cc bcc);
+}

 
 

-  local (*IN, *OUT);
+sub _store_in_journal {
+  my ($self, $status, $extended_status) = @_;
+
+  my $journal_enable = $::instance_conf->get_email_journal;
+
+  return if $journal_enable == 0;
+
+  $status          //= $self->{driver}->status if $self->{driver};
+  $status          //= 'failed';
+  $extended_status //= $self->{driver}->extended_status if $self->{driver};
+  $extended_status //= 'unknown error';
+
+  my $headers = join "\r\n", (bundle_by { join(': ', @_) } 2, @{ $self->{headers} || [] });
+
+  my $jentry = SL::DB::EmailJournal->new(
+    sender          => SL::DB::Manager::Employee->current,
+    from            => $self->{from}    // '',
+    recipients      => join(', ', $self->_all_recipients),
+    subject         => $self->{subject} // '',
+    headers         => $headers,
+    body            => $self->{message} // '',
+    sent_on         => DateTime->now_local,
+    attachments     => \@{ $self->{mail_attachments} },
+    status          => $status,
+    extended_status => $extended_status,
+  )->save;
+  return $jentry->id;
+}

 
 

-  my $boundary = time;
-  $boundary = "LxOffice-$self->{version}-$boundary";
-  my $domain = $self->{from};
-  $domain =~ s/(.*?\@|>)//g;
-  my $msgid = "$boundary\@$domain";

 
 

-  $self->{charset} = Common::DEFAULT_CHARSET unless $self->{charset};
+sub _create_record_link {
+  my ($self) = @_;

 
 

-  if (!open(OUT, $main::sendmail)) {
-    $main::lxdebug->leave_sub();
-    return "$main::sendmail : $!";
+  # check for custom/overloaded types and ids (form != controller)
+  my $record_type = $self->{record_type} || $::form->{type};
+  my $record_id   = $self->{record_id}   || $::form->{id};
+
+  # you may send mails for unsaved objects (no record_id => unlinkable case)
+  if ($self->{journalentry} && $record_id && exists($type_to_table{$record_type})) {
+    RecordLinks->create_links(
+      mode       => 'ids',
+      from_table => $type_to_table{$record_type},
+      from_ids   => $record_id,
+      to_table   => 'email_journal',
+      to_id      => $self->{journalentry},
+    );

   }
   }

+}

 
 

-  $self->{contenttype} = "text/plain" unless $self->{contenttype};
+1;

 
 

-  my ($cc, $bcc);
-  $cc  = "Cc: $self->{cc}\n"   if $self->{cc};
-  $bcc = "Bcc: $self->{bcc}\n" if $self->{bcc};

 
 

-  foreach my $item (qw(to cc bcc)) {
-    $self->{$item} =~ s/\&lt;/</g;
-    $self->{$item} =~ s/\$<\$/</g;
-    $self->{$item} =~ s/\&gt;/>/g;
-    $self->{$item} =~ s/\$>\$/>/g;
-  }
+__END__

 
 

-  my $subject = $self->mime_quote_text($self->{subject}, 60);
+=pod

 
 

-  print OUT qq|From: $self->{from}
-To: $self->{to}
-${cc}${bcc}Subject: $subject
-Message-ID: <$msgid>
-X-Mailer: Lx-Office $self->{version}
-MIME-Version: 1.0
-|;
+=encoding utf8

 
 

-  if ($self->{attachments}) {
-    print OUT qq|Content-Type: multipart/mixed; boundary="$boundary"
+=head1 NAME

 
 

-|;
-    if ($self->{message}) {
-      print OUT qq|--${boundary}
-Content-Type: $self->{contenttype}; charset="$self->{charset}"
+SL::Mailer - Base class for sending mails from kivitendo

 
 

-$self->{message}
+=head1 SYNOPSIS

 
 

-|;
-    }
+  package SL::BackgroundJob::CreatePeriodicInvoices;

 
 

-    foreach my $attachment (@{ $self->{attachments} }) {
+  use SL::Mailer;

 
 

-      my $filename;
+  my $mail              = Mailer->new;
+  $mail->{from}         = $config{periodic_invoices}->{email_from};
+  $mail->{to}           = $email;
+  $mail->{subject}      = $config{periodic_invoices}->{email_subject};
+  $mail->{content_type} = $filename =~ m/.html$/ ? 'text/html' : 'text/plain';
+  $mail->{message}      = $output;

 
 

-      if (ref($attachment) eq "HASH") {
-        $filename = $attachment->{"name"};
-        $attachment = $attachment->{"filename"};
-      } else {
-        $filename = $attachment;
-        # strip path
-        $filename =~ s/(.*\/|$self->{fileid})//g;
-      }
+  $mail->send;

 
 

-      my $application =
-        ($attachment =~ /(^\w+$)|\.(html|text|txt|sql)$/)
-        ? "text"
-        : "application";
+=head1 OVERVIEW

 
 

-      open(IN, $attachment);
-      if ($?) {
-        close(OUT);
-        $main::lxdebug->leave_sub();
-        return "$attachment : $!";
-      }
+Mail can be sent from kivitendo via the sendmail command or the smtp protocol.

 
 

-      print OUT qq|--${boundary}
-Content-Type: $application/$self->{format}; name="$filename"; charset="$self->{charset}"
-Content-Transfer-Encoding: BASE64
-Content-Disposition: attachment; filename="$filename"\n\n|;

 
 

-      my $msg = "";
-      while (<IN>) {
-        ;
-        $msg .= $_;
-      }
-      print OUT &encode_base64($msg);
+=head1 INTERNAL DATA TYPES

 
 

-      close(IN);

 
 

-    }
-    print OUT qq|--${boundary}--\n|;
+=over 2

 
 

-  } else {
-    print OUT qq|Content-Type: $self->{contenttype}; charset="$self->{charset}"
+=item C<%mail_delivery_modules>

 
 

-$self->{message}
-|;
-  }
+  Currently two modules are supported: smtp or sendmail.

 
 

-  close(OUT);
+=item C<%type_to_table>

 
 

-  $main::lxdebug->leave_sub();
+  Due to the lack of a single global mapping for $form->{type},
+  type is mapped to the corresponding database table. All types which
+  implement a mail action are currently mapped and should be mapped.
+  Type is either the value of the old form or the newer controller
+  based object type.

 
 

-  return "";
-}
+=back

 
 

-sub encode_base64 ($;$) {
-  $main::lxdebug->enter_sub();
+=head1 FUNCTIONS

 
 

-  # this code is from the MIME-Base64-2.12 package
-  # Copyright 1995-1999,2001 Gisle Aas <gisle@ActiveState.com>
+=over 4

 
 

-  my $res = "";
-  my $eol = $_[1];
-  $eol = "\n" unless defined $eol;
-  pos($_[0]) = 0;    # ensure start at the beginning
+=item C<new>

 
 

-  $res = join '', map(pack('u', $_) =~ /^.(\S*)/, ($_[0] =~ /(.{1,45})/gs));
+=item C<_create_driver>

 
 

-  $res =~ tr|` -_|AA-Za-z0-9+/|;    # `# help emacs
-                                    # fix padding at the end
-  my $padding = (3 - length($_[0]) % 3) % 3;
-  $res =~ s/.{$padding}$/'=' x $padding/e if $padding;
+=item C<_cleanup_addresses>

 
 

-  # break encoded string into lines of no more than 60 characters each
-  if (length $eol) {
-    $res =~ s/(.{1,60})/$1$eol/g;
-  }
+=item C<_create_address_headers>

 
 

-  $main::lxdebug->leave_sub();
+=item C<_create_message_id>

 
 

-  return $res;
-}
+=item C<_create_attachment_part>

 
 

-1;
+=item C<_create_message>
+
+=item C<send>
+
+  If a mail was sent successfully the internal function _store_in_journal
+  is called if email journaling is enabled. If _store_in_journal was executed
+  successfully and the calling form is already persistent (database id) a
+  record_link will be created.
+
+=item C<_all_recipients>
+
+=item C<_store_in_journal>
+
+=item C<_create_record_link $self->{journalentry}, $::form->{id}, $self->{record_id}>
+
+
+  If $self->{journalentry} and either $self->{record_id} or $::form->{id} (checked in
+  this order) exist a record link from record to email journal is created.
+  It is possible to provide an array reference with more than one id in
+  $self->{record_id} or $::form->{id}. In this case all records are linked to
+  the mail.
+  Will fail silently if record_link creation wasn't successful (same behaviour as
+  _store_in_journal).
+
+=item C<validate>
+
+=back
+
+=head1 BUGS
+
+Nothing here yet.
+
+=head1 AUTHOR

 
 

+=cut