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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* This program 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.
*
* This program 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, USA.
*/
/**
* URL Rewrite Module
*
* Enables short URLs using Apache mod_rewrite, ISAPI_Rewrite, or PHP path info.
*
* @package Rewrite
* @author Douglas Cau <douglas@cau.se>
* @version $Revision: 16034 $
*/
class RewriteModule extends GalleryModule {
function RewriteModule() {
global $gallery;
$this->setId('rewrite');
$this->setName($gallery->i18n('URL Rewrite'));
$this->setDescription($gallery->i18n(
'Enables short URLs using Apache mod_rewrite, ISAPI Rewrite, or PathInfo'));
$this->setVersion('1.1.13'); /* Update RewriteModuleExtras::upgrade too! */
$this->setGroup('gallery', $gallery->i18n('Gallery'));
$this->setCallbacks('getSiteAdminViews|registerEventListeners');
$this->setRequiredCoreApi(array(7, 5));
$this->setRequiredModuleApi(array(3, 5));
}
/**
* @see GalleryModule::upgrade
*/
function upgrade($currentVersion) {
GalleryCoreApi::requireOnce('modules/rewrite/RewriteModuleExtras.inc');
$ret = RewriteModuleExtras::upgrade($this, $currentVersion);
if ($ret) {
return $ret;
}
return null;
}
/**
* @see GalleryModule::uninstall
*/
function uninstall() {
GalleryCoreApi::requireOnce('modules/rewrite/classes/RewriteHelper.class');
list ($ret, $rewriteParser) = RewriteHelper::getRewriteParser();
if ($ret && !($ret->getErrorCode() & ERROR_MISSING_VALUE)) {
return $ret;
}
if (!$ret) {
list ($ret) = $rewriteParser->saveActiveRules(array());
if ($ret) {
return $ret;
}
}
$ret = parent::uninstall();
if ($ret) {
return $ret;
}
return null;
}
/**
* @see GalleryModule::registerEventListeners
*/
function registerEventListeners() {
$listener = new RewriteModule();
GalleryCoreApi::registerEventListener('Gallery::DeactivatePlugin', $listener, true);
GalleryCoreApi::registerEventListener('Gallery::ActivatePlugin', $listener, true);
GalleryCoreApi::registerEventListener('Gallery::UninstallPlugin', $listener, true);
}
/**
* @see GalleryModule::needsConfiguration
*/
function needsConfiguration() {
GalleryCoreApi::requireOnce('modules/rewrite/classes/RewriteHelper.class');
list ($ret, $rewriteParser) = RewriteHelper::getRewriteParser();
if ($ret && !($ret->getErrorCode() & ERROR_MISSING_VALUE)) {
return array($ret, null);
} else if ($ret && ($ret->getErrorCode() & ERROR_MISSING_VALUE)) {
return array(null, true);
}
list ($ret, $status) = $rewriteParser->needsConfiguration($this);
if ($ret) {
return array($ret, null);
}
return array(null, $status);
}
/**
* @see GalleryModule::autoConfigure
*/
function autoConfigure() {
return array(null, false);
}
/**
* @see GalleryModule::activate
*/
function activate($postActivationEvent=true) {
GalleryCoreApi::requireOnce('modules/rewrite/classes/RewriteHelper.class');
list ($ret, $rewriteParser) = RewriteHelper::getRewriteParser();
if ($ret) {
return array($ret, null);
}
list ($ret, $activeRules) = GalleryCoreApi::getPluginParameter(
'module', 'rewrite', 'activeRules');
if ($ret) {
return array($ret, null);
}
$activeRules = unserialize($activeRules);
if (empty($activeRules)) {
$activeRules = array('rewrite' => array(0 => array('pattern' => 'v/%path%')));
/*
* We'll break fast download cache if we activate the short URL for download items with
* an inGallery parser
*/
if ($rewriteParser->getParserType() != 'inGallery') {
$activeRules['rewrite'][1] =
array('pattern' => 'd/%itemId%-%serialNumber%/%fileName%');
}
}
list ($ret, $code) = $rewriteParser->saveActiveRules($activeRules);
if ($ret) {
return array($ret, null);
}
if ($code != REWRITE_STATUS_OK) {
return array(GalleryCoreApi::error(ERROR_CONFIGURATION_REQUIRED, null, null, $code),
null);
}
list ($ret, $redirect) = parent::activate($postActivationEvent);
if ($ret) {
return array($ret, null);
}
return array(null, array());
}
/**
* @see GalleryModule::handleEvent
*/
function handleEvent($event) {
$data = $event->getData();
if ($data['pluginType'] == 'module' && $data['pluginId'] != 'rewrite') {
GalleryCoreApi::requireOnce('modules/rewrite/RewriteModuleExtras.inc');
GalleryCoreApi::requireOnce('modules/rewrite/classes/RewriteHelper.class');
switch ($event->getEventName()) {
case 'Gallery::ActivatePlugin':
return array(RewriteModuleExtras::handleActivatePlugin($this, $data['pluginId']),
null);
case 'Gallery::DeactivatePlugin':
return array(RewriteModuleExtras::handleDeactivatePlugin($this, $data['pluginId']),
null);
case 'Gallery::UninstallPlugin':
return array(RewriteModuleExtras::handleUninstallPlugin($this, $data['pluginId']),
null);
}
}
return array(null, null);
}
/**
* @see GalleryModule::getSiteAdminViews
*/
function getSiteAdminViews() {
return array(null, array(array('name' => $this->translate('URL Rewrite'),
'view' => 'rewrite.AdminRewrite')));
}
/**
* @see GalleryModule::performFactoryRegistrations
*/
function performFactoryRegistrations() {
GalleryCoreApi::requireOnce('modules/rewrite/classes/RewriteHelper.class');
list ($ret, $rewriteParser) = RewriteHelper::getRewriteParser();
if ($ret) {
return $ret;
}
$rewriteUrlGenerator = $rewriteParser->getUrlGeneratorId();
$ret = GalleryCoreApi::registerFactoryImplementation(
'GalleryUrlGenerator', $rewriteUrlGenerator, $rewriteUrlGenerator,
'modules/rewrite/classes/parsers/' . $rewriteParser->getParserId() . '/'
. $rewriteUrlGenerator . '.class', 'rewrite', null, 2);
if ($ret) {
return $ret;
}
$ret = GalleryCoreApi::registerFactoryImplementation(
'MaintenanceTask', 'RewriteCheckConflictTask', 'RewriteCheckConflictTask',
'modules/rewrite/classes/RewriteCheckConflictTask.class', 'rewrite', null);
if ($ret) {
return $ret;
}
$ret = GalleryCoreApi::registerFactoryImplementation(
'RewriteApi', 'RewriteApi', 'RewriteApi',
'modules/rewrite/classes/RewriteApi.class', 'rewrite', null);
if ($ret) {
return $ret;
}
return null;
}
/**
* @see GalleryModule::getConfigurationView
*/
function getConfigurationView() {
return 'rewrite.SetupRewrite';
}
/**
* @see GalleryModule::getRewriteRules
*/
function getRewriteRules() {
$rules = array();
/* Rule 0: Show Item */
$rules[0] = array(
'comment' => $this->translate('Show Item'),
'match' => array('view' => 'core.ShowItem'),
'pattern' => 'v/%path%',
'keywords' => array(
'path' => array(
'pattern' => '([^?]+)',
'help' => $this->translate('Path to an item (eg, /album/image.jpg.html)'),
'function' => array('rewrite', 'RewriteSimpleHelper', 'parsePath')),
'page' => array(
'pattern' => '([0-9]*)',
'help' => $this->translate('Page number in an album'),
'function' => array('rewrite', 'RewriteSimpleHelper', 'parsePage')),
'language' => array(
'pattern' => '([a-z]{2}|[a-z]{2}_[A-Z]{2})',
'help' => $this->translate('Current language (eg, en or de)'),
'function' => array('rewrite', 'RewriteSimpleHelper', 'parseLanguage'))),
'onLoad' => array('rewrite', 'RewriteSimpleHelper', 'loadItemIdFromPath'),
'help' => $this->translate('The general URL for viewing items.'));
/* Rule 1: Download Item */
$rules[1] = array(
'comment' => $this->translate('Download Item'),
'match' => array('view' => 'core.DownloadItem'),
'pattern' => 'd/%itemId%-%serialNumber%/%fileName%',
'keywords' => array(
'serialNumber' => array(
'pattern' => '([0-9]+)',
'help' => $this->translate(
'Ensures browsers do not use cached version when image has changed'),
'function' => array('rewrite', 'RewriteSimpleHelper', 'parseSerialNumber')),
'fileName' => array(
'pattern' => '([^/?]+)',
'help' => $this->translate('The item file name.'),
'function' => array('rewrite', 'RewriteSimpleHelper', 'parseFileName'))),
'help' => $this->translate('The general URL for downloading items.'));
/* Rule 4: Site Admin */
$rules[4] = array(
'comment' => $this->translate('Site Admin'),
'match' => array('view' => 'core.SiteAdmin'),
'pattern' => 'admin/',
'help' => $this->translate('Quick and easy way to access Site Admin.'));
/* Rule 2: File not found */
$rules[2] = array(
'comment' => $this->translate('404 File not found'),
'keywords' => array(
'path' => array(
'pattern' => '([^?]+)',
'ignore' => true)),
'queryString' => array('view' => 'rewrite.FileNotFound'),
'pattern' => '%path%',
'locked' => true);
/* Rule 3: Block hotlinked items */
$rules[3] = array(
'comment' => $this->translate('Block hotlinked items'),
'flags' => array('F'),
'restrict' => array('view' => 'core.DownloadItem'),
'exemptReferer' => true);
/* Rule 5: Send HTML for hotlinked items */
$rules[5] = array(
'comment' => $this->translate('Send HTML for hotlinked items'),
'restrict' => array(
GalleryUtilities::prefixFormVariable('view') => 'core.DownloadItem',
GalleryUtilities::prefixFormVariable('itemId') => '%itemId%'),
'exemptReferer' => true,
'queryString' => array('view' => 'rewrite.DownloadItem'),
'options' => array('forceDirect' => true),
'flags' => array('L'),
'help' => $this->translate('Blocks use of images in other sites (HTML creates broken'
. ' image), but allows linking to images.'));
return $rules;
}
}
?>
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