forked from GNUsocial/gnu-social
318 lines
9.8 KiB
PHP
318 lines
9.8 KiB
PHP
<?php
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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defined('STATUSNET') || die();
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require INSTALLDIR . "/lib/pluginenableform.php";
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require INSTALLDIR . "/lib/plugindisableform.php";
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/**
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* Plugin list
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*
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* @category Admin
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* @package GNUsocial
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* @author Brion Vibber <brion@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class PluginList extends Widget
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{
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public $plugins = [];
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/**
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* PluginList constructor.
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* @param Action $out
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* @param array|null $plugins
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*/
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public function __construct(Action $out, ?array $plugins = null)
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{
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parent::__construct($out);
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$this->plugins = is_null($plugins) ? $this->grabAllPluginNames() : $plugins;
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}
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/**
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* List of names of all available plugins (distribution and third parties).
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* Warning: Plugin not modules, it doesn't include core modules.
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*
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* @return array
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*/
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public static function grabAllPluginNames(): array
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{
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$plugins = [];
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$distribution_plugins = glob(INSTALLDIR . '/plugins/*');
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foreach ($distribution_plugins as $plugin) {
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$plugin_name = ltrim($plugin, INSTALLDIR . '/plugins/');
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if ($plugin_name == 'README.md') {
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continue;
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}
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$plugins[] = $plugin_name;
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}
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unset($distribution_plugins);
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$thirdparty_plugins = glob(INSTALLDIR . '/local/plugins/*');
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foreach ($thirdparty_plugins as $plugin) {
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$plugins[] = ltrim($plugin, INSTALLDIR . '/local/plugins/');
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}
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unset($thirdparty_plugins);
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natsort($plugins);
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return $plugins;
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}
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public function show()
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{
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if (!$this->plugins) {
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$this->out->element('p', null,
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// TRANS: Text displayed on plugin admin page when no plugin are enabled.
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_m('All plugins have been disabled from the ' .
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'site\'s configuration file.'));
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}
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$this->startList();
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$this->showPlugins();
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$this->endList();
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}
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public function startList(): void
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{
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$this->out->elementStart('table', 'plugin_list');
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}
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public function endList(): void
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{
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$this->out->elementEnd('table');
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}
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public function showPlugins(): void
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{
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foreach ($this->plugins as $plugin) {
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$pli = $this->newListItem($plugin);
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$pli->show();
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}
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}
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public function newListItem($plugin): PluginListItem
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{
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return new PluginListItem($plugin, $this->out);
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}
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/** Local cache for plugin version info */
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protected static $versions = false;
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/**
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* Lazy-load the set of active plugin version info.
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* Warning: Plugin not modules, it doesn't include core modules.
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* @return array
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*/
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public static function getPluginVersions(): array
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{
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if (!is_array(self::$versions)) {
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$plugin_versions = [];
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Event::handle('PluginVersion', [&$plugin_versions]);
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self::$versions = $plugin_versions;
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}
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return self::$versions;
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}
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/**
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* We need a proper name for comparison, that is, without spaces nor the `(section)`
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* Therefore, a plugin named "Diogo Cordeiro (diogo@fc.up.pt)" becomes "DiogoCordeiro"
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*
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* WARNING: You may have to use strtolower() in your situation
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*
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* @param string $plugin_name
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* @return string Name without spaces nor parentheses section
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*/
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public static function internalizePluginName(string $plugin_name): string
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{
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$name_without_spaces = str_replace(' ', '', $plugin_name);
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$name_without_spaces_nor_parentheses_section = substr($name_without_spaces, 0, strpos($name_without_spaces . '(', '('));
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return $name_without_spaces_nor_parentheses_section;
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}
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/**
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* It calls self::getPluginVersions() and for each it builds an array with the self::internalizePluginName()
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*
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* @return array
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*/
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public static function getActivePluginVersions(): array
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{
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$versions = self::getPluginVersions();
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$active_plugins = [];
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foreach ($versions as $info) {
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$internal_plugin_name = self::internalizePluginName($info['name']);
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// This is sensitive case
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$key = 'disable-' . $internal_plugin_name;
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if (common_config('plugins', $key)) {
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continue;
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}
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$active_plugins[] = $info;
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}
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return $active_plugins;
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}
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/**
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* Checks if a given plugin was loaded (added in config.php with addPlugin())
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*
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* @param string $plugin
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* @return bool
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* @see PluginListItem->metaInfo() Warning: horribly inefficient and may explode!
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*/
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public static function isPluginLoaded(string $plugin): bool
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{
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$versions = self::getPluginVersions();
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foreach ($versions as $info) {
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$internal_plugin_name = self::internalizePluginName($info['name']);
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// For a proper comparison, we do it in lower case
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if (strtolower($internal_plugin_name) == strtolower($plugin)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Checks if a given plugin is active (both loaded and not set as inactive in the database)
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*
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* @param string $plugin
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* @return bool
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* @see self::isPluginLoaded() Warning: horribly inefficient and may explode!
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*/
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public static function isPluginActive(string $plugin): bool
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{
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$key = 'disable-' . $plugin;
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return self::isPluginLoaded($plugin) && !common_config('plugins', $key);
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}
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}
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/**
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* Class PluginListItem
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*/
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class PluginListItem extends Widget
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{
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/** Current plugin. */
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public $plugin = null;
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/** Local cache for plugin version info */
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protected static $versions = false;
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public function __construct($plugin, $out)
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{
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parent::__construct($out);
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$this->plugin = $plugin;
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}
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public function show()
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{
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$meta = $this->metaInfo();
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$this->out->elementStart('tr', ['id' => 'plugin-' . $this->plugin]);
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// Name and controls
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$this->out->elementStart('td');
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$this->out->elementStart('div');
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if (!empty($meta['homepage'])) {
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$this->out->elementStart('a', ['href' => $meta['homepage']]);
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}
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$this->out->text($this->plugin);
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if (!empty($meta['homepage'])) {
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$this->out->elementEnd('a');
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}
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$this->out->elementEnd('div');
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$form = $this->getControlForm();
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$form->show();
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$this->out->elementEnd('td');
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// Version and authors
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$this->out->elementStart('td');
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if (!empty($meta['version'])) {
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$this->out->elementStart('div');
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$this->out->text($meta['version']);
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$this->out->elementEnd('div');
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}
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if (!empty($meta['author'])) {
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$this->out->elementStart('div');
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$this->out->text($meta['author']);
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$this->out->elementEnd('div');
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}
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$this->out->elementEnd('td');
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// Description
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$this->out->elementStart('td');
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if (!empty($meta['rawdescription'])) {
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$this->out->raw($meta['rawdescription']);
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} elseif (!empty($meta['description'])) {
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$this->out->text($meta['description']);
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}
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$this->out->elementEnd('td');
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$this->out->elementEnd('tr');
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}
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/**
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* Pull up the appropriate control form for this plugin, depending
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* on its current state.
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*
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* @return Form
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*/
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protected function getControlForm()
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{
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if (PluginList::isPluginActive($this->plugin)) {
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return new PluginDisableForm($this->out, $this->plugin);
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} else {
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return new PluginEnableForm($this->out, $this->plugin);
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}
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}
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/**
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* Grab metadata about this plugin...
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* Warning: horribly inefficient and may explode!
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* Doesn't work for disabled plugins either.
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*
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* @fixme pull structured data from plugin source
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* ^ Maybe by introducing a ini file in each plugin's directory? But a typical instance doesn't have all that many
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* plugins anyway, no need for urgent action
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*/
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public function metaInfo()
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{
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$versions = PluginList::getPluginVersions();
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$found = false;
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foreach ($versions as $info) {
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$internal_plugin_name = PluginList::internalizePluginName($info['name']);
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// For a proper comparison, we do it in lower case
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if (strtolower($internal_plugin_name) == strtolower($this->plugin)) {
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if ($found) {
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$found['rawdescription'] .= "<br />\n" . $info['rawdescription'];
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} else {
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$found = $info;
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}
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}
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}
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if ($found) {
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return $found;
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} else {
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return ['name' => $this->plugin,
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// TRANS: Plugin description for a disabled plugin.
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'rawdescription' => _m('plugin-description', '(The plugin description is unavailable when a plugin hasn\'t been loaded.)')];
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}
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}
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}
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