pluginutil.inc.php
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<?php
/**
* $Id$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*
*/
require_once(KT_LIB_DIR . '/plugins/pluginentity.inc.php');
require_once(KT_LIB_DIR . '/plugins/pluginregistry.inc.php');
class KTPluginResourceRegistry {
var $aResources = array();
function &getSingleton() {
if (!KTUtil::arrayGet($GLOBALS, 'oKTPluginResourceRegistry')) {
$GLOBALS['oKTPluginResourceRegistry'] = new KTPluginResourceRegistry;
}
return $GLOBALS['oKTPluginResourceRegistry'];
}
function registerResource($sPath) {
$this->aResources[$sPath] = true;
}
function isRegistered($sPath) {
if (KTUtil::arrayGet($this->aResources, $sPath)) {
return true;
}
$sPath = dirname($sPath);
if (KTUtil::arrayGet($this->aResources, $sPath)) {
return true;
}
return false;
}
}
class KTPluginUtil {
/**
* Load the plugins for the current page
*
* @param unknown_type $sType
*/
function loadPlugins ($sType) {
if($sType != 'dashboard'){
$sType = 'general';
}
$GLOBALS['_KT_PLUGIN'] = array();
$aPlugins = array();
$aPluginHelpers = array();
// Get the list of enabled plugins
$query = "SELECT * FROM plugin_helper h, plugins p
WHERE p.namespace = h.plugin AND p.disabled = 0 AND h.classtype='plugin'";
$aPluginHelpers = DBUtil::getResultArray($query);
// Check that there are plugins and if not, register them
if (empty($aPluginHelpers)) {
KTPluginUtil::registerPlugins();
$query = "SELECT * FROM plugin_helper h, plugins p
WHERE p.namespace = h.plugin AND p.disabled = 0 AND h.viewtype='{$sType}' AND h.classtype='plugin'";
$aPluginHelpers = DBUtil::getResultArray($query);
}
// Create plugin objects
foreach ($aPluginHelpers as $aItem){
$classname = $aItem['classname'];
$path = $aItem['pathname'];
if (!empty($path)) {
require_once($path);
}
$oPlugin = new $classname($path);
$aPlugins[] = $oPlugin;
$oPlugin->load();
}
// load plugin helpers into global space
$query = "SELECT h.* FROM plugin_helper h, plugins p
WHERE p.namespace = h.plugin AND p.disabled = 0 ";//WHERE viewtype='{$sType}'";
$aPluginList = DBUtil::getResultArray($query);
KTPluginUtil::load($aPluginList);
// Load the template locations
$query = "SELECT * FROM plugin_helper h WHERE h.classtype='locations'";
$aLocations = DBUtil::getResultArray($query);
if(!empty($aLocations)){
$oTemplating =& KTTemplating::getSingleton();
foreach ($aLocations as $location){
$aParams = explode('|', $location['object']);
call_user_func_array(array(&$oTemplating, 'addLocation2'), $aParams);
}
}
return;
}
/**
* Load the plugins into the global space
*
* @param array $aPlugins
*/
function load($aPlugins) {
require_once(KT_LIB_DIR . '/actions/actionregistry.inc.php');
require_once(KT_LIB_DIR . '/actions/portletregistry.inc.php');
require_once(KT_LIB_DIR . '/triggers/triggerregistry.inc.php');
require_once(KT_LIB_DIR . '/plugins/pageregistry.inc.php');
require_once(KT_LIB_DIR . '/authentication/authenticationproviderregistry.inc.php');
require_once(KT_LIB_DIR . "/plugins/KTAdminNavigation.php");
require_once(KT_LIB_DIR . "/dashboard/dashletregistry.inc.php");
require_once(KT_LIB_DIR . "/i18n/i18nregistry.inc.php");
require_once(KT_LIB_DIR . "/help/help.inc.php");
require_once(KT_LIB_DIR . "/workflow/workflowutil.inc.php");
require_once(KT_LIB_DIR . "/widgets/widgetfactory.inc.php");
require_once(KT_LIB_DIR . "/validation/validatorfactory.inc.php");
require_once(KT_LIB_DIR . "/browse/columnregistry.inc.php");
require_once(KT_LIB_DIR . "/browse/criteriaregistry.php");
require_once(KT_LIB_DIR . "/authentication/interceptorregistry.inc.php");
$oPRegistry =& KTPortletRegistry::getSingleton();
$oTRegistry =& KTTriggerRegistry::getSingleton();
$oARegistry =& KTActionRegistry::getSingleton();
$oPageRegistry =& KTPageRegistry::getSingleton();
$oAPRegistry =& KTAuthenticationProviderRegistry::getSingleton();
$oAdminRegistry =& KTAdminNavigationRegistry::getSingleton();
$oDashletRegistry =& KTDashletRegistry::getSingleton();
$oi18nRegistry =& KTi18nRegistry::getSingleton();
$oKTHelpRegistry =& KTHelpRegistry::getSingleton();
$oWFTriggerRegistry =& KTWorkflowTriggerRegistry::getSingleton();
$oColumnRegistry =& KTColumnRegistry::getSingleton();
$oNotificationHandlerRegistry =& KTNotificationRegistry::getSingleton();
$oTemplating =& KTTemplating::getSingleton();
$oWidgetFactory =& KTWidgetFactory::getSingleton();
$oValidatorFactory =& KTValidatorFactory::getSingleton();
$oCriteriaRegistry =& KTCriteriaRegistry::getSingleton();
$oInterceptorRegistry =& KTInterceptorRegistry::getSingleton();
$oKTPluginRegistry =& KTPluginRegistry::getSingleton();
// Loop through the loaded plugins and register them
foreach ($aPlugins as $plugin){
$sName = $plugin['namespace'];
$sParams = $plugin['object'];
$aParams = explode('|', $sParams);
$sClassType = $plugin['classtype'];
switch ($sClassType) {
case 'portlet':
$aLocation = unserialize($aParams[0]);
if($aLocation !== false){
$aParams[0] = $aLocation;
}
call_user_func_array(array(&$oPRegistry, 'registerPortlet'), $aParams);
break;
case 'trigger':
call_user_func_array(array(&$oTRegistry, 'registerTrigger'), $aParams);
break;
case 'action':
call_user_func_array(array(&$oARegistry, 'registerAction'), $aParams);
break;
case 'page':
call_user_func_array(array(&$oPageRegistry, 'registerPage'), $aParams);
break;
case 'authentication_provider':
call_user_func_array(array(&$oAPRegistry, 'registerAuthenticationProvider'), $aParams);
break;
case 'admin_category':
call_user_func_array(array(&$oAdminRegistry, 'registerCategory'), $aParams);
break;
case 'admin_page':
call_user_func_array(array(&$oAdminRegistry, 'registerLocation'), $aParams);
break;
case 'dashlet':
call_user_func_array(array(&$oDashletRegistry, 'registerDashlet'), $aParams);
break;
case 'i18n':
call_user_func_array(array(&$oi18nRegistry, 'registeri18n'), $aParams);
break;
case 'i18nlang':
call_user_func_array(array(&$oi18nRegistry, 'registeri18nLang'), $aParams);
break;
case 'language':
call_user_func_array(array(&$oi18nRegistry, 'registerLanguage'), $aParams);
break;
case 'help_language':
call_user_func_array(array(&$oKTHelpRegistry, 'registerHelp'), $aParams);
break;
case 'workflow_trigger':
call_user_func_array(array(&$oWFTriggerRegistry, 'registerWorkflowTrigger'), $aParams);
break;
case 'column':
call_user_func_array(array(&$oColumnRegistry, 'registerColumn'), $aParams);
break;
case 'view':
call_user_func_array(array(&$oColumnRegistry, 'registerView'), $aParams);
break;
case 'notification_handler':
call_user_func_array(array(&$oNotificationHandlerRegistry, 'registerNotificationHandler'), $aParams);
break;
case 'template_location':
call_user_func_array(array(&$oTemplating, 'addLocation'), $aParams);
break;
case 'criterion':
$aInit = unserialize($aParams[3]);
if($aInit !== false){
$aParams[3] = $aInit;
}
call_user_func_array(array(&$oCriteriaRegistry, 'registerCriterion'), $aParams);
break;
case 'widget':
call_user_func_array(array(&$oWidgetFactory, 'registerWidget'), $aParams);
break;
case 'validator':
call_user_func_array(array(&$oValidatorFactory, 'registerValidator'), $aParams);
break;
case 'interceptor':
call_user_func_array(array(&$oInterceptorRegistry, 'registerInterceptor'), $aParams);
break;
case 'plugin':
$oKTPluginRegistry->_aPluginDetails[$sName] = $aParams;
break;
}
}
}
function registerPlugins () {
KTPluginUtil::_deleteSmartyFiles();
require_once(KT_LIB_DIR . '/cache/cache.inc.php');
$oCache =& KTCache::getSingleton();
$oCache->deleteAllCaches();
$files = array();
KTPluginUtil::_walk(KT_DIR . '/plugins', $files);
foreach ($files as $sFile) {
$plugin_ending = "Plugin.php";
if (substr($sFile, -strlen($plugin_ending)) === $plugin_ending) {
require_once($sFile);
}
}
$oRegistry =& KTPluginRegistry::getSingleton();
foreach ($oRegistry->getPlugins() as $oPlugin) {
$res = $oPlugin->register();
if (PEAR::isError($res)) {
var_dump($res);
}
}
foreach (KTPluginEntity::getList() as $oPluginEntity) {
$sPath = $oPluginEntity->getPath();
if (!KTUtil::isAbsolutePath($sPath)) {
$sPath = sprintf("%s/%s", KT_DIR, $sPath);
}
if (!file_exists($sPath)) {
$oPluginEntity->setUnavailable(true);
$oPluginEntity->setDisabled(true);
$res = $oPluginEntity->update();
}
}
KTPluginEntity::clearAllCaches();
KTPluginUtil::_deleteSmartyFiles();
require_once(KT_LIB_DIR . '/cache/cache.inc.php');
$oCache =& KTCache::getSingleton();
$oCache->deleteAllCaches();
$sPluginCache = KT_DIR . '/var/plugin-cache';
@unlink($sPluginCache);
}
function _deleteSmartyFiles() {
$oConfig =& KTConfig::getSingleton();
$dir = sprintf('%s/%s', $oConfig->get('urls/varDirectory'), 'tmp');
$dh = @opendir($dir);
if (empty($dh)) {
return;
}
$aFiles = array();
while (false !== ($sFilename = readdir($dh))) {
if (substr($sFilename, -10) == "smarty.inc") {
$aFiles[] = sprintf('%s/%s', $dir, $sFilename);
}
if (substr($sFilename, -10) == "smarty.php") {
$aFiles[] = sprintf('%s/%s', $dir, $sFilename);
}
}
foreach ($aFiles as $sFile) {
@unlink($sFile);
}
}
function _walk ($path, &$files) {
if (!is_dir($path)) {
return;
}
$dirh = opendir($path);
while (($entry = readdir($dirh)) !== false) {
if (in_array($entry, array('.', '..'))) {
continue;
}
$newpath = $path . '/' . $entry;
if (is_dir($newpath)) {
KTPluginUtil::_walk($newpath, $files);
}
if (!is_file($newpath)) {
continue;
}
$files[] = $newpath;
}
}
function resourceIsRegistered($path) {
$oRegistry =& KTPluginResourceRegistry::getSingleton();
return $oRegistry->isRegistered($path);
}
function registerResource($path) {
$oRegistry =& KTPluginResourceRegistry::getSingleton();
$oRegistry->registerResource($path);
}
function readResource($sPath) {
global $default;
$php_file = ".php";
if (substr($sPath, -strlen($php_file)) === $php_file) {
require_once($php_file);
} else {
$pi = pathinfo($sPath);
$mime_type = "";
$sExtension = KTUtil::arrayGet($pi, 'extension');
if (!empty($sExtension)) {
$mime_type = DBUtil::getOneResultKey(array("SELECT mimetypes FROM " . $default->mimetypes_table . " WHERE LOWER(filetypes) = ?", $sExtension), "mimetypes");
}
if (empty($mime_type)) {
$mime_type = "application/octet-stream";
}
$sFullPath = KT_DIR . '/plugins' . $sPath;
header("Content-Type: $mime_type");
header("Content-Length: " . filesize($sFullPath));
readfile($sFullPath);
}
}
// utility function to detect if the plugin is loaded and active.
function pluginIsActive($sNamespace) {
$oReg =& KTPluginRegistry::getSingleton();
$plugin = $oReg->getPlugin($sNamespace);
if (is_null($plugin) || PEAR::isError($plugin)) { return false; } // no such plugin
else { // check if its active
$ent = KTPluginEntity::getByNamespace($sNamespace);
if (PEAR::isError($ent)) { return false; }
// we now can ask
return (!$ent->getDisabled());
}
}
}
?>