mirror of
https://github.com/slawkens/myaac.git
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62443257fc
* add support for defining max myaac version in plugin.json file * you can now require other plugin to be installed before yours * added German translation * fixed faq containing html code
289 lines
8.4 KiB
PHP
289 lines
8.4 KiB
PHP
<?php
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/**
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* Plugins class
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*
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* @package MyAAC
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* @author Gesior <jerzyskalski@wp.pl>
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* @author Slawkens <slawkens@gmail.com>
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* @copyright 2017 MyAAC
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* @link http://my-aac.org
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*/
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defined('MYAAC') or die('Direct access not allowed!');
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spl_autoload_register(function ($class) {
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// project-specific namespace prefix
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$prefix = 'Composer\\Semver\\';
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// base directory for the namespace prefix
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$base_dir = LIBS . '/semver/';
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// does the class use the namespace prefix?
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$len = strlen($prefix);
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if (strncmp($prefix, $class, $len) !== 0) {
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// no, move to the next registered autoloader
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return;
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}
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// get the relative class name
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$relative_class = substr($class, $len);
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// replace the namespace prefix with the base directory, replace namespace
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// separators with directory separators in the relative class name, append
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// with .php
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$file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';
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// if the file exists, require it
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if (file_exists($file)) {
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require $file;
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}
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});
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class Plugins {
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private static $warnings = array();
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private static $error = null;
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private static $pluginInfo = array();
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public static function install($file) {
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global $db, $cache;
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$zip = new ZipArchive();
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if($zip->open($file)) {
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for ($i = 0; $i < $zip->numFiles; $i++) {
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$tmp = $zip->getNameIndex($i);
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if(pathinfo($tmp, PATHINFO_DIRNAME) == 'plugins' && pathinfo($tmp, PATHINFO_EXTENSION) == 'json')
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$json_file = $tmp;
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}
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if(!isset($json_file)) {
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self::$error = 'Cannot find plugin info .json file. Installation is discontinued.';
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return false;
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}
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if($zip->extractTo(BASE)) { // place in the directory with same name
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$file_name = BASE . $json_file;
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if(!file_exists($file_name)) {
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self::$error = "Cannot load " . $file_name . ". File doesn't exist.";
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return false;
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}
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else {
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$string = file_get_contents($file_name);
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$plugin = json_decode($string, true);
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self::$pluginInfo = $plugin;
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if ($plugin == null) {
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self::$warnings[] = 'Cannot load ' . $file_name . '. File might be not a valid json code.';
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}
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else {
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$continue = true;
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if(!isset($plugin['name'])) {
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self::$warnings[] = 'Plugin "name" tag is not set.';
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}
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if(!isset($plugin['description'])) {
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self::$warnings[] = 'Plugin "description" tag is not set.';
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}
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if(!isset($plugin['version'])) {
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self::$warnings[] = 'Plugin "version" tag is not set.';
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}
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if(!isset($plugin['author'])) {
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self::$warnings[] = 'Plugin "author" tag is not set.';
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}
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if(!isset($plugin['contact'])) {
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self::$warnings[] = 'Plugin "contact" tag is not set.';
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}
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if(isset($plugin['require'])) {
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$require = $plugin['require'];
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if(isset($require['myaac'])) {
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$require_myaac = $require['myaac'];
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if(!self::satisfies(MYAAC_VERSION, $require_myaac)) {
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self::$error = "Your AAC version doesn't meet the requirement of this plugin. Required version is: " . $require_myaac . ", and you're using version " . MYAAC_VERSION . ".";
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$continue = false;
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}
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}
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if(isset($require['php'])) {
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$require_php = $require['php'];
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if(!self::satisfies(phpversion(), $require_php)) {
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self::$error = "Your PHP version doesn't meet the requirement of this plugin. Required version is: " . $require_php . ", and you're using version " . phpversion() . ".";
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$continue = false;
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}
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}
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if(isset($require['database'])) {
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$require_database = $require['database'];
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if(!self::satisfies(DATABASE_VERSION, $require_database)) {
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self::$error = "Your database version doesn't meet the requirement of this plugin. Required version is: " . $require_database . ", and you're using version " . DATABASE_VERSION . ".";
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$continue = false;
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}
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}
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foreach($require as $req => $version) {
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if(in_array($req, array('myaac', 'php', 'database'))) {
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continue;
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}
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if(!self::is_installed($req, $version)) {
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self::$error = "This plugin requires another plugin to run correctly. The another plugin is: " . $req . ", with version " . $version . ".";
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$continue = false;
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break;
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}
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}
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}
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if($continue) {
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if (isset($plugin['install'])) {
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if (file_exists(BASE . $plugin['install']))
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require(BASE . $plugin['install']);
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else
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self::$warnings[] = 'Cannot load install script. Your plugin might be not working correctly.';
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}
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if (isset($plugin['hooks'])) {
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foreach ($plugin['hooks'] as $_name => $info) {
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if (defined('HOOK_'. $info['type'])) {
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$hook = constant('HOOK_'. $info['type']);
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$query = $db->query('SELECT `id` FROM `' . TABLE_PREFIX . 'hooks` WHERE `name` = ' . $db->quote($_name) . ';');
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if ($query->rowCount() == 1) { // found something
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$query = $query->fetch();
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$db->update(TABLE_PREFIX . 'hooks', array('type' => $hook, 'file' => $info['file']), array('id' => (int)$query['id']));
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} else {
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$db->insert(TABLE_PREFIX . 'hooks', array('id' => null, 'name' => $_name, 'type' => $hook, 'file' => $info['file']));
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}
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} else
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self::$warnings[] = 'Unknown event type: ' . $info['type'];
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}
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}
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if($cache->enabled()) {
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$cache->delete('templates');
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}
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$zip->close();
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return true;
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}
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}
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}
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}
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else {
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self::$error = 'There was a problem with extracting zip archive.';
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}
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$zip->close();
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}
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else {
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self::$error = 'There was a problem with opening zip archive.';
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}
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return false;
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}
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public static function uninstall($plugin_name) {
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global $cache, $db;
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$filename = BASE . 'plugins/' . $plugin_name . '.json';
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if(!file_exists($filename)) {
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self::$error = 'Plugin ' . $plugin_name . ' does not exist.';
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return false;
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}
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else {
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$string = file_get_contents($filename);
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$plugin_info = json_decode($string, true);
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if($plugin_info == false) {
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self::$error = 'Cannot load plugin info ' . $plugin_name . '.json';
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return false;
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}
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else {
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if(!isset($plugin_info['uninstall'])) {
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self::$error = "Plugin doesn't have uninstall options defined. Skipping...";
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return false;
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}
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else {
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$success = true;
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foreach($plugin_info['uninstall'] as $file) {
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$file = BASE . $file;
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if(!deleteDirectory($file)) {
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$success = false;
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}
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}
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if (isset($plugin_info['hooks'])) {
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foreach ($plugin_info['hooks'] as $_name => $info) {
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if (defined('HOOK_'. $info['type'])) {
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$hook = constant('HOOK_'. $info['type']);
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$query = $db->query('SELECT `id` FROM `' . TABLE_PREFIX . 'hooks` WHERE `name` = ' . $db->quote($_name) . ';');
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if ($query->rowCount() == 1) { // found something
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$query = $query->fetch();
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$db->delete(TABLE_PREFIX . 'hooks', array('id' => (int)$query['id']));
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}
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} else
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self::$warnings[] = 'Unknown event type: ' . $info['type'];
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}
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}
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if($success) {
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if($cache->enabled()) {
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$cache->delete('templates');
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}
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return true;
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}
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else {
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self::$error = error_get_last();
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}
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}
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}
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}
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return false;
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}
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public static function is_installed($plugin_name, $version) {
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$filename = BASE . 'plugins/' . $plugin_name . '.json';
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if(!file_exists($filename)) {
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return false;
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}
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$string = file_get_contents($filename);
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$plugin_info = json_decode($string, true);
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if($plugin_info == false) {
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return false;
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}
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if(!isset($plugin_info['version'])) {
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return false;
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}
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return self::satisfies($plugin_info['version'], $version);
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}
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public static function satisfies($version, $constraints) {
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$is_semver = false;
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$array = array(',', '>', '<', '=', '*', '|', '~');
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foreach($array as $x) {
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if(strpos($constraints, $x) !== false) {
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$is_semver = true;
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}
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}
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if($is_semver && !Composer\Semver\Semver::satisfies($version, $constraints)) {
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return false;
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}
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else if(version_compare($version, $constraints, '<')) {
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return false;
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}
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return true;
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}
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public static function getWarnings() {
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return self::$warnings;
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}
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public static function getError() {
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return self::$error;
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}
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public static function getPluginInfo() {
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return self::$pluginInfo;
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}
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} |