X-Git-Url: http://git.freeside.biz/gitweb/?a=blobdiff_plain;f=rt%2Fbin%2Frt-mailgate.in;h=43f57a8dc3af8d9a530f75ae9930013ff31ba65d;hb=949a80c148a8bbeeeec54c5a0be5d73b292423a5;hp=6264d4389946947599d1eea40cf52255b872e480;hpb=9509e5bfb7f9331303153cac24d7bfecbe2ea9f1;p=freeside.git diff --git a/rt/bin/rt-mailgate.in b/rt/bin/rt-mailgate.in index 6264d4389..43f57a8dc 100644 --- a/rt/bin/rt-mailgate.in +++ b/rt/bin/rt-mailgate.in @@ -1,41 +1,41 @@ -#!@PERL@ -w +#!@PERL@ # BEGIN BPS TAGGED BLOCK {{{ -# +# # COPYRIGHT: -# -# This software is Copyright (c) 1996-2007 Best Practical Solutions, LLC -# -# +# +# This software is Copyright (c) 1996-2016 Best Practical Solutions, LLC +# +# # (Except where explicitly superseded by other copyright notices) -# -# +# +# # LICENSE: -# +# # This work is made available to you under the terms of Version 2 of # the GNU General Public License. A copy of that license should have # been provided with this software, but in any event can be snarfed # from www.gnu.org. -# +# # This work is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301 or visit their web page on the internet at -# http://www.gnu.org/copyleft/gpl.html. -# -# +# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html. +# +# # CONTRIBUTION SUBMISSION POLICY: -# +# # (The following paragraph is not intended to limit the rights granted # to you to modify and distribute this software under the terms of # the GNU General Public License and is only of importance to you if # you choose to contribute your changes and enhancements to the # community by submitting them to Best Practical Solutions, LLC.) -# +# # By intentionally submitting any modifications, corrections or # derivatives to this work, or any other work intended for use with # Request Tracker, to Best Practical Solutions, LLC, you confirm that @@ -44,77 +44,199 @@ # royalty-free, perpetual, license to use, copy, create derivative # works based on those contributions, and sublicense and distribute # those contributions and any derivatives thereof. -# +# # END BPS TAGGED BLOCK }}} =head1 NAME -rt-mailgate - Mail interface to RT3. +rt-mailgate - Mail interface to RT. =cut - use strict; use warnings; + use Getopt::Long; + +my $opts = { }; +GetOptions( $opts, "queue=s", "action=s", "url=s", + "jar=s", "help", "debug", "extension=s", + "timeout=i", "verify-ssl!", "ca-file=s", + ); + +my $gateway = RT::Client::MailGateway->new(); + +$gateway->run($opts); + +package RT::Client::MailGateway; + use LWP::UserAgent; +use HTTP::Request::Common qw($DYNAMIC_FILE_UPLOAD); +use File::Temp qw(tempfile tempdir); +$DYNAMIC_FILE_UPLOAD = 1; use constant EX_TEMPFAIL => 75; +use constant BUFFER_SIZE => 8192; + +sub new { + my $class = shift; + my $self = bless {}, $class; + return $self; +} -my %opts; -GetOptions( \%opts, "queue=s", "action=s", "url=s", "jar=s", "help", "debug", "extension=s", "timeout=i" ); +sub run { + my $self = shift; + my $opts = shift; -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! + if ( $opts->{running_in_test_harness} ) { + $self->{running_in_test_harness} = 1; + } + + $self->validate_cli_flags($opts); + + my $ua = $self->get_useragent($opts); + my $post_params = $self->setup_session($opts); + $self->upload_message( $ua => $post_params ); + $self->exit_with_success(); } -for (qw(url)) { - die "$0 invoked improperly\n\nNo $_ provided to mail gateway!\n" unless $opts{$_}; +sub exit_with_success { + my $self = shift; + if ( $self->{running_in_test_harness} ) { + return 1; + } else { + exit 0; + } } -my $ua = LWP::UserAgent->new(); -$ua->cookie_jar( { file => $opts{jar} } ); +sub tempfail { + my $self = shift; + if ( $self->{running_in_test_harness} ) { + die "tempfail"; + } else { -my %args = ( - SessionType => 'REST', # Surpress login box -); -foreach ( qw(queue action) ) { - $args{$_} = $opts{$_} if defined $opts{$_}; -}; + exit EX_TEMPFAIL; + } +} -# Read the message in from STDIN -$args{'message'} = do { local (@ARGV, $/); <> }; +sub permfail { + my $self = shift; + if ( $self->{running_in_test_harness} ) { + die "permfail"; + } else { -unless ( $args{message} =~ /\S/ ) { - print STDERR "$0: no message passed on STDIN!\n"; - exit 0; + exit 1; + } } -if ($opts{'extension'}) { - $args{$opts{'extension'}} = $ENV{'EXTENSION'}; +sub validate_cli_flags { + my $self = shift; + my $opts = shift; + if ( $opts->{'help'} ) { + require Pod::Usage; + Pod::Usage::pod2usage( { verbose => 2 } ); + return $self->permfail() + ; # Don't want to succeed if this is really an email! + } + + unless ( $opts->{'url'} ) { + print STDERR + "$0 invoked improperly\n\nNo 'url' provided to mail gateway!\n"; + return $self->permfail(); + } + + $opts->{"verify-ssl"} = 1 unless defined $opts->{"verify-ssl"}; } -# Set up cookie here. +sub get_useragent { + my $self = shift; + my $opts = shift; + my $ua = LWP::UserAgent->new(); + $ua->agent("rt-mailgate/@RT_VERSION_MAJOR@.@RT_VERSION_MINOR@.@RT_VERSION_PATCH@ "); + $ua->cookie_jar( { file => $opts->{'jar'} } ) if $opts->{'jar'}; -my $full_url = $opts{'url'}. "/REST/1.0/NoAuth/mail-gateway"; -warn "Connecting to $full_url" if $opts{'debug'}; + $ua->ssl_opts( verify_hostname => $opts->{'verify-ssl'} ); + $ua->ssl_opts( SSL_ca_file => $opts->{'ca-file'} ) + if $opts->{'ca-file'}; + return $ua; +} +sub setup_session { + my $self = shift; + my $opts = shift; + my %post_params; + foreach (qw(queue action)) { + $post_params{$_} = $opts->{$_} if defined $opts->{$_}; + } + + if ( ( $opts->{'extension'} || '' ) =~ /^(?:action|queue|ticket)$/i ) { + $post_params{ 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"; + } + + # 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"; + } + + # Read the message in from STDIN + # _raw_message is used for testing + my $message = $opts->{'_raw_message'} || $self->slurp_message(); + unless ( $message->{'filename'} ) { + $post_params{'message'} = [ + undef, '', + 'Content-Type' => 'application/octet-stream', + Content => ${ $message->{'content'} }, + ]; + } else { + $post_params{'message'} = [ + $message->{'filename'}, '', + 'Content-Type' => 'application/octet-stream', + ]; + } + + return \%post_params; +} -$ua->timeout(exists($opts{'timeout'}) ? $opts{'timeout'} : 180); -my $r = $ua->post( $full_url, {%args} ); -check_failure($r); +sub upload_message { + my $self = shift; + my $ua = shift; + my $post_params = shift; + my $full_url = $opts->{'url'} . "/REST/1.0/NoAuth/mail-gateway"; + print STDERR "$0: connecting to $full_url\n" if $opts->{'debug'}; -my $content = $r->content; -warn $content if ($opts{debug}); + $ua->timeout( exists( $opts->{'timeout'} ) ? $opts->{'timeout'} : 180 ); + my $r = $ua->post( $full_url, $post_params, Content_Type => 'form-data' ); -if ( $content !~ /^(ok|not ok)/ ) { + # Follow 3 redirects + my $n = 0; + while ($n++ < 3 and $r->is_redirect) { + $full_url = $r->header( "Location" ); + $r = $ua->post( $full_url, $post_params, Content_Type => 'form-data' ); + } - # It's not the server's fault if the mail is bogus. We just want to know that - # *something* came out of the server. - warn <check_failure($r); + + my $content = $r->content; + print STDERR $content . "\n" if $opts->{'debug'}; + + return 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. + print STDERR <tempfail(); } -exit; - - sub check_failure { - my $r = shift; - 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. - require HTML::TreeBuilder; - require HTML::FormatText; - - my $error = $r->error_as_HTML; - 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}); - exit EX_TEMPFAIL; + my $self = shift; + my $r = shift; + return if $r->is_success; + + print STDERR "HTTP request failed: @{[ $r->status_line ]}. " + ."Your webserver logs may have more information or there may be a network problem.\n"; + print STDERR "\n$0: undefined server error\n" if $opts->{'debug'}; + return $self->tempfail(); } +sub slurp_message { + my $self = shift; + + local $@; + + my %message; + my ( $fh, $filename ) + = eval { tempfile( DIR => tempdir( CLEANUP => 1 ) ) }; + if ( !$fh || $@ ) { + print STDERR "$0: Couldn't create temp file, using memory\n"; + print STDERR "error: $@\n" if $@; + + my $message = \do { local ( @ARGV, $/ ); }; + unless ( $$message =~ /\S/ ) { + print STDERR "$0: no message passed on STDIN\n"; + $self->exit_with_success; + } + $$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"; + return $self->tempfail(); + } elsif ( !$status ) { + last; + } + $empty = 0 if $buf =~ /\S/; + print $fh $buf; + } + close $fh; + + if ($empty) { + print STDERR "$0: no message passed on STDIN\n"; + $self->exit_with_success; + } + print STDERR "$0: temp file is '$filename'\n" if $opts->{'debug'}; + return ( { filename => $filename } ); +} =head1 SYNOPSIS @@ -166,8 +322,6 @@ Usual invocation (from MTA): -See C for more. - =head1 OPTIONS =over 3 @@ -178,7 +332,7 @@ Specifies what happens to email sent to this alias. The avaliable basic actions are: C, C. -If you've set the RT configuration variable B<$RT::UnsafeEmailCommands>, +If you've set the RT configuration variable B<< C >>, C and C 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, @@ -198,8 +352,27 @@ is found. =item C<--url> This flag tells the mail gateway where it can find your RT server. You should -probably use the same URL that users use to log into RT. +probably use the same URL that users use to log into RT. + +If you have a self-signed SSL certificate, you may also need to pass +C<--ca-file> or C<--no-verify-ssl>, below. +=item C<--ca-file> I + +Specifies the path to the public SSL certificate for the certificate +authority that should be used to verify the website's SSL certificate. +If your webserver uses a self-signed certificate, you should +preferentially use this option over C<--no-verify-ssl>, as it will +ensure that the self-signed certificate that the mailgate is seeing the +I self-signed certificate. + +=item C<--no-verify-ssl> + +This flag tells the mail gateway to trust all SSL certificates, +regardless of if their hostname matches the certificate, and regardless +of CA. This is required if you have a self-signed certificate, or some +other certificate which is not traceable back to an certificate your +system ultimitely trusts. =item C<--extension> OPTIONAL @@ -221,6 +394,8 @@ Print debugging output to standard error Configure the timeout for posting the message to the web server. The default timeout is 3 minutes (180 seconds). +=back + =head1 DESCRIPTION @@ -234,19 +409,16 @@ equivalent. =head1 SETUP Much of the set up of the mail gateway depends on your MTA and mail -routing configuration. However, you will need first of all to create an -RT user for the mail gateway and assign it a password; this helps to -ensure that mail coming into the web server did originate from the -gateway. +routing configuration. -Next, you need to route mail to C for the queues you're +You need to route mail to C for the queues you're monitoring. For instance, if you're using F and you have a "bugs" queue, you will want something like this: - bugs: "|/opt/rt3/bin/rt-mailgate --queue bugs --action correspond + bugs: "|@RT_BIN_PATH_R@/rt-mailgate --queue bugs --action correspond --url http://rt.mycorp.com/" - bugs-comment: "|/opt/rt3/bin/rt-mailgate --queue bugs --action comment + bugs-comment: "|@RT_BIN_PATH_R@/rt-mailgate --queue bugs --action comment --url http://rt.mycorp.com/" Note that you don't have to run your RT server on your mail server, as @@ -259,13 +431,13 @@ 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 - that is, authentication of the person is done based on the C 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 +445,12 @@ 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 to the name, to form a package name, and then C's this module. The module is expected to provide a C subroutine, which takes a hash of @@ -310,7 +482,7 @@ If we don't already have a ticket id, we need to know which queue we're talking The action being performed. At the moment, it's one of "comment" or "correspond" -=back 4 +=back It returns two values, the new C object, and the new authentication level. The authentication level can be zero, not allowed @@ -319,5 +491,22 @@ 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. Mailgate adds value +of this variable to message in the C 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 + =cut