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-rwxr-xr-xrt/bin/rt-mailgate164
1 files changed, 125 insertions, 39 deletions
diff --git a/rt/bin/rt-mailgate b/rt/bin/rt-mailgate
index a578b4bc6..abe731196 100755
--- a/rt/bin/rt-mailgate
+++ b/rt/bin/rt-mailgate
@@ -2,8 +2,8 @@
# BEGIN BPS TAGGED BLOCK {{{
#
# COPYRIGHT:
-#
-# This software is Copyright (c) 1996-2009 Best Practical Solutions, LLC
+#
+# This software is Copyright (c) 1996-2009 Best Practical Solutions, LLC
# <jesse@bestpractical.com>
#
# (Except where explicitly superseded by other copyright notices)
@@ -52,30 +52,34 @@ rt-mailgate - Mail interface to RT3.
=cut
-
use strict;
use warnings;
+
use Getopt::Long;
use LWP::UserAgent;
+use HTTP::Request::Common qw($DYNAMIC_FILE_UPLOAD);
+$DYNAMIC_FILE_UPLOAD = 1;
use constant EX_TEMPFAIL => 75;
+use constant BUFFER_SIZE => 8192;
my %opts;
GetOptions( \%opts, "queue=s", "action=s", "url=s", "jar=s", "help", "debug", "extension=s", "timeout=i" );
-if ( $opts{help} ) {
+if ( $opts{'help'} ) {
require Pod::Usage;
import Pod::Usage;
pod2usage("RT Mail Gateway\n");
exit 1; # Don't want to succeed if this is really an email!
}
-for (qw(url)) {
- die "$0 invoked improperly\n\nNo $_ provided to mail gateway!\n" unless $opts{$_};
+unless ( $opts{'url'} ) {
+ print STDERR "$0 invoked improperly\n\nNo 'url' provided to mail gateway!\n";
+ exit 1;
}
-my $ua = LWP::UserAgent->new();
-$ua->cookie_jar( { file => $opts{jar} } );
+my $ua = new LWP::UserAgent;
+$ua->cookie_jar( { file => $opts{'jar'} } ) if $opts{'jar'};
my %args = (
SessionType => 'REST', # Surpress login box
@@ -84,37 +88,54 @@ foreach ( qw(queue action) ) {
$args{$_} = $opts{$_} if defined $opts{$_};
};
-# Read the message in from STDIN
-$args{'message'} = do { local (@ARGV, $/); <> };
-
-unless ( $args{message} =~ /\S/ ) {
- print STDERR "$0: no message passed on STDIN!\n";
- exit 0;
+if ( ($opts{'extension'} || '') =~ /^(?:action|queue|ticket)$/i ) {
+ $args{ lc $opts{'extension'} } = $ENV{'EXTENSION'} || $opts{$opts{'extension'}};
+} elsif ( $opts{'extension'} && $ENV{'EXTENSION'} ) {
+ print STDERR "Value of the --extension argument is not action, queue or ticket"
+ .", but environment variable EXTENSION is also defined. The former is ignored.\n";
}
-if ($opts{'extension'}) {
- $args{$opts{'extension'}} = $ENV{'EXTENSION'};
+# add ENV{'EXTENSION'} as X-RT-MailExtension to the message header
+if ( my $value = ( $ENV{'EXTENSION'} || $opts{'extension'} ) ) {
+ # prepare value to avoid MIME format breakage
+ # strip trailing newline symbols
+ $value =~ s/(\r*\n)+$//;
+ # make a correct multiline header field,
+ # with tabs in the beginning of each line
+ $value =~ s/(\r*\n)/$1\t/g;
+ $opts{'headers'} .= "X-RT-Mail-Extension: $value\n";
}
-# Set up cookie here.
+# Read the message in from STDIN
+my %message = write_down_message();
+unless( $message{'filename'} ) {
+ $args{'message'} = [
+ undef, '',
+ 'Content-Type' => 'application/octet-stream',
+ Content => ${ $message{'content'} },
+ ];
+} else {
+ $args{'message'} = [
+ $message{'filename'}, '',
+ 'Content-Type' => 'application/octet-stream',
+ ];
+}
my $full_url = $opts{'url'}. "/REST/1.0/NoAuth/mail-gateway";
-warn "Connecting to $full_url" if $opts{'debug'};
+print STDERR "$0: connecting to $full_url\n" if $opts{'debug'};
-
-
-$ua->timeout(exists($opts{'timeout'}) ? $opts{'timeout'} : 180);
-my $r = $ua->post( $full_url, {%args} );
+$ua->timeout( exists( $opts{'timeout'} )? $opts{'timeout'}: 180 );
+my $r = $ua->post( $full_url, \%args, Content_Type => 'form-data' );
check_failure($r);
my $content = $r->content;
-warn $content if ($opts{debug});
+print STDERR $content ."\n" if $opts{'debug'};
if ( $content !~ /^(ok|not ok)/ ) {
# It's not the server's fault if the mail is bogus. We just want to know that
# *something* came out of the server.
- warn <<EOF;
+ print STDERR <<EOF;
RT server error.
The RT server which handled your email did not behave as expected. It
@@ -123,16 +144,19 @@ said:
$content
EOF
-exit EX_TEMPFAIL;
-
+ exit EX_TEMPFAIL;
}
exit;
+END {
+ unlink $message{'filename'} if $message{'filename'};
+}
+
sub check_failure {
my $r = shift;
- return if $r->is_success();
+ return if $r->is_success;
# This ordinarily oughtn't to be able to happen, suggests a bug in RT.
# So only load these heavy modules when they're needed.
@@ -140,17 +164,64 @@ sub check_failure {
require HTML::FormatText;
my $error = $r->error_as_HTML;
- my $tree = HTML::TreeBuilder->new->parse($error);
+ my $tree = HTML::TreeBuilder->new->parse( $error );
$tree->eof;
# It'll be a cold day in hell before RT sends out bounces in HTML
- my $formatter = HTML::FormatText->new( leftmargin => 0,
- rightmargin => 50 );
- warn $formatter->format($tree);
- warn "This is $0 exiting because of an undefined server error" if ($opts{debug});
+ my $formatter = HTML::FormatText->new(
+ leftmargin => 0,
+ rightmargin => 50,
+ );
+ print STDERR $formatter->format( $tree );
+ print STDERR "\n$0: undefined server error\n" if $opts{'debug'};
exit EX_TEMPFAIL;
}
+sub write_down_message {
+ use File::Temp qw(tempfile);
+
+ local $@;
+ my ($fh, $filename) = eval { tempfile() };
+ if ( !$fh || $@ ) {
+ print STDERR "$0: Couldn't create temp file, using memory\n";
+ print STDERR "error: $@\n" if $@;
+
+ my $message = \do { local (@ARGV, $/); <> };
+ unless ( $$message =~ /\S/ ) {
+ print STDERR "$0: no message passed on STDIN\n";
+ exit 0;
+ }
+ $$message = $opts{'headers'} . $$message if $opts{'headers'};
+ return ( content => $message );
+ }
+
+ binmode $fh;
+ binmode \*STDIN;
+
+ print $fh $opts{'headers'} if $opts{'headers'};
+
+ my $buf; my $empty = 1;
+ while(1) {
+ my $status = read \*STDIN, $buf, BUFFER_SIZE;
+ unless ( defined $status ) {
+ print STDERR "$0: couldn't read message: $!\n";
+ exit EX_TEMPFAIL;
+ } elsif ( !$status ) {
+ last;
+ }
+ $empty = 0 if $buf =~ /\S/;
+ print $fh $buf;
+ };
+ close $fh;
+
+ if ( $empty ) {
+ print STDERR "$0: no message passed on STDIN\n";
+ exit 0;
+ }
+ print STDERR "$0: temp file is '$filename'\n" if $opts{'debug'};
+ return (filename => $filename);
+}
+
=head1 SYNOPSIS
@@ -166,8 +237,6 @@ Usual invocation (from MTA):
-See C<man rt-mailgate> for more.
-
=head1 OPTIONS
=over 3
@@ -178,7 +247,7 @@ Specifies what happens to email sent to this alias. The avaliable
basic actions are: C<correspond>, C<comment>.
-If you've set the RT configuration variable B<$RT::UnsafeEmailCommands>,
+If you've set the RT configuration variable B<< C<UnsafeEmailCommands> >>,
C<take> and C<resolve> are also available. You can execute two or more
actions on a single message using a C<-> separated list. RT will execute
the actions in the listed order. For example you can use C<take-comment>,
@@ -259,13 +328,13 @@ there are situations in which you will want to authenticate users
before allowing them to communicate with the system. You can do this
via a plug-in mechanism in the RT configuration.
-You can set the array C<@RT::MailPlugins> to be a list of plugins. The
+You can set the array C<@MailPlugins> to be a list of plugins. The
default plugin, if this is not given, is C<Auth::MailFrom> - that is,
authentication of the person is done based on the C<From> header of the
email. If you have additional filters or authentication mechanisms, you
can list them here and they will be called in order:
- @RT::MailPlugins = (
+ Set( @MailPlugins =>
"Filter::SpamAssassin",
"Auth::LDAP",
# ...
@@ -273,12 +342,12 @@ can list them here and they will be called in order:
See the documentation for any additional plugins you have.
-You may also put Perl subroutines into the C<@RT::MailPlugins> array, if
+You may also put Perl subroutines into the C<@MailPlugins> array, if
they behave as described below.
=head1 WRITING PLUGINS
-What's actually going on in the above is that C<@RT::MailPlugins> is a
+What's actually going on in the above is that C<@MailPlugins> is a
list of Perl modules; RT prepends C<RT::Interface::Email::> to the name,
to form a package name, and then C<use>'s this module. The module is
expected to provide a C<GetCurrentUser> subroutine, which takes a hash of
@@ -319,5 +388,22 @@ the correspondent) or one, which is the normal mode of operation.
Additionally, if C<-1> is returned, then the processing of the plug-ins
stops immediately and the message is ignored.
+=head1 ENVIRONMENT
+
+=over 4
+
+=item EXTENSION
+
+Some MTAs will route mail sent to user-foo@host or user+foo@host to user@host
+and present "foo" in the environment variable C<EXTENSION>. Mailgate adds value
+of this variable to message in the C<X-RT-Mail-Extension> field of the message
+header.
+
+See also C<--extension> option. Note that value of the environment variable is
+always added to the message header when it's not empty even if C<--extension>
+option is not provided.
+
+=back 4
+
=cut
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