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86 lines
2.5 KiB
Perl
86 lines
2.5 KiB
Perl
# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bugzilla Bug Tracking System.
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#
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# The Initial Developer of the Original Code is Netscape Communications
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# Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s): Zach Lipton <zach@zachlipton.com>
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#
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package Bugzilla::Hook;
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use Bugzilla::Util;
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use Bugzilla::Error;
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use strict;
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sub process {
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my $name = shift;
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trick_taint($name);
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# get a list of all extensions
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my @extensions = glob($Bugzilla::Config::extensionsdir."/*");
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# check each extension to see if it uses the hook
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# if so, invoke the extension source file:
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foreach my $extension (@extensions) {
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# all of these variables come directly from code or directory names.
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# If there's malicious data here, we have much bigger issues to
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# worry about, so we can safely detaint them:
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trick_taint($extension);
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if (-e $extension.'/code/'.$name.'.pl') {
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do($extension.'/code/'.$name.'.pl');
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ThrowCodeError('extension_invalid', {
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name => $name, extension => $extension }) if $@;
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}
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}
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}
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1;
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__END__
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=head1 NAME
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Bugzilla::Hook - Extendible extension hooks for Bugzilla code
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=head1 SYNOPSIS
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use Bugzilla::Hook;
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Bugzilla::Hook::process("hookname");
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=head1 DESCRIPTION
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Bugzilla allows extension modules to drop in and add routines at
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arbitrary points in Bugzilla code. These points are refered to as
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hooks. When a piece of standard Bugzilla code wants to allow an extension
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to perform additional functions, it uses Bugzilla::Hook's process()
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subroutine to invoke any extension code if installed.
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=over 4
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=item C<process>
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Invoke any code hooks with a matching name from any installed extensions.
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When this subroutine is called with hook name foo, Bugzilla will attempt
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to invoke any source files in C<bugzilla/extension/EXTENSION_NAME/code/foo.pl>.
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See C<customization.xml> in the Bugzilla Guide for more information on
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Bugzilla's extension mechanism.
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=back
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