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- #!/usr/bin/perl
- # ----------------------------------------------------------------------------
- #
- # popfile.pl --- Message analyzer and sorter
- #
- # Acts as a server and client designed to sit between a real mail/news
- # client and a real mail/ news server using POP3. Inserts an extra
- # header X-Text-Classification: into the header to tell the client
- # which category the message belongs in and much more...
- #
- # Copyright (c) 2001-2004 John Graham-Cumming
- #
- # This file is part of POPFile
- #
- # POPFile is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
- #
- # POPFile 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 POPFile; if not, write to the Free Software
- # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- #
- # Modified by Sam Schinke (sschinke@users.sourceforge.net)
- #
- # ----------------------------------------------------------------------------
-
- # Check the packing list of POPFile to ensure that all the required
- # modules are present.
-
- my $packing_list = defined($ENV{POPFILE_ROOT})?$ENV{POPFILE_ROOT}:'./';
- $packing_list =~ s/[\\\/]$//;
- $packing_list .= '/popfile.pck';
-
- my $fatal = 0;
- my $log = '';
-
- if ( open PACKING, "<$packing_list" ) {
- while (<PACKING>) {
- if ( /^(REQUIRED|OPTIONAL-([^\t]+))\t([^\t]+)\t([^\r\n]+)/ ) {
- my ( $required, $why, $version, $module ) = ( $1, $2, $3, $4 );
-
- # Find the module and set $ver to the loaded version, or -1 if
- # the module was not found
-
- local $::SIG{__DIE__};
- local $::SIG{__WARN__};
- eval "require $module";
- my $ver = ${"${module}::VERSION"} || ${"${module}::VERSION"} || 0;
- $ver = ${"${module}::VERSION"} || ${"${module}::VERSION"} || 0;
- $ver = -1 if $@;
-
- if ( $ver == -1 ) {
- if ( $required eq 'REQUIRED' ) {
- $fatal = 1;
- print STDERR "ERROR: POPFile needs Perl module $module, please install it.\n";
- } else {
- $log .= "WARNING: POPFile may require Perl module $module; it is needed for \"$why\".\n";
- }
- }
- }
- }
- close PACKING;
- } else {
- $log .= "WARNING: Couldn't open POPFile packing list ($packing_list) so cannot check configuration\n";
- }
-
- use strict;
- use locale;
- use lib defined($ENV{POPFILE_ROOT})?$ENV{POPFILE_ROOT}:'./';
- use POPFile::Loader;
-
- # POPFile is actually loaded by the POPFile::Loader object which does all
- # the work
-
- my $POPFile = POPFile::Loader->new();
-
- # Indicate that we should create output on STDOUT (the POPFile
- # load sequence) and initialize with the version
-
- $POPFile->debug(1);
- $POPFile->CORE_loader_init();
-
- # Redefine POPFile's signals
-
- $POPFile->CORE_signals();
-
- # Create the main objects that form the core of POPFile. Consists of
- # the configuration modules, the classifier, the UI (currently HTML
- # based), platform specific code, and the POP3 proxy. The link the
- # components together, intialize them all, load the configuration from
- # disk, start the modules running
-
- $POPFile->CORE_load();
- $POPFile->CORE_link_components();
- $POPFile->CORE_initialize();
- if ( $POPFile->CORE_config() ) {
- $POPFile->CORE_start();
-
- # If there were any log messages from the packing list check then
- # log them now
-
- if ( $log ne '' ) {
- $POPFile->get_module( 'POPFile::Logger' )->debug( 0, $log );
- }
-
- # This is the main POPFile loop that services requests, it will
- # exit only when we need to exit
-
- $POPFile->CORE_service();
-
- # Shutdown every POPFile module
-
- $POPFile->CORE_stop();
- }
-
- # END
-