#!/usr/bin/perl
#
# This script takes a series of ARF messages, and stores certain attributes
# about these messages, so that other applications can easily look into
# only the messages that they care about without having to go into lots
# and lots of files.
use strict;
use Time::ParseDate;    # libtime-modules-perl
use lib( '/abuse/AUP/lib' );
use Email::ARF::Report;
use MLDBM;
use Fcntl;

my %o;
my $dbm = tie %o, 'MLDBM', '/abuse/AUP/bin/complaintdb', O_CREAT|O_RDWR, 0640 or die $!;

REPORT:for my $filename ( <> ){
        chomp( $filename );

        my $fn_comp;
        if( $filename =~ /(\/data\/staff\/abuse\/fbl\/)(\S+)/ ){
                $fn_comp = $2;
        }
        if( defined $o{$fn_comp}){
                print "Skipping [$filename]\n";
                next REPORT;
        }

        print "opening [$filename]\n";
        open FD, "<$filename";
        my $text = do { local $/ ; <FD>; };
        close FD;

        my $report = Email::ARF::Report->new( $text ) or next REPORT;
        my $evidence = $report->original_email();

        my $auth;
        $auth = NAMEOFFUNCTIONTHATEXTRACTSACCOUNTNAME $_ for ( $evidence->header( "X-Session-Marker" ) );
        $auth = lc $auth;
        if( $auth =~ /^$/){
                $o{ $fn_comp } = { };
                print "Skipping forward [$filename]\n";
                next REPORT;
        }

        my $epoch;

        RECEIVED:for my $received ( $evidence->header( "Received" ) ) {
                if( $received =~ /by omf\d+\.(?:(?:a|b)\.)?hostedemail\.com/ ){
                        $epoch = parsedate( $1 ) if $received =~ /;(.+)/;
                        last RECEIVED;
                }
        }

        my ($subject, $from, $replyto );
        $subject = $_ for ( $evidence->header( "Subject" ) );
        $from = $_ for ( $evidence->header( "From" ) );
        $replyto = $_ for ( $evidence->header( "Reply-To" ) );

        my @ips = join( " ", $evidence->header( "Received" ) ) =~ /(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/g;

        print "Account: $auth\n\t";
        print "Subject: $subject\n\t";
        print join( "\n\t", @ips ) . "\n";

        $o{ $fn_comp } = { auth => $auth, ips => \@ips, subject => $subject, from => $from, replyto => $replyto, epoch => $epoch } or next REPORT;
}