mirror of https://github.com/friendica/friendica
370 lines
9.6 KiB
PHP
370 lines
9.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Core;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Util\Strings;
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/**
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* Some functions to handle addons
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*/
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class Addon
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{
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/**
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* The addon sub-directory
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* @var string
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*/
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const DIRECTORY = 'addon';
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/**
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* List of the names of enabled addons
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*
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* @var array
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*/
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private static $addons = [];
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/**
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* Returns the list of available addons with their current status and info.
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* This list is made from scanning the addon/ folder.
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* Unsupported addons are excluded unless they already are enabled or system.show_unsupported_addon is set.
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*
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* @return array
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* @throws \Exception
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*/
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public static function getAvailableList()
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{
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$addons = [];
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$files = glob('addon/*/');
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if (is_array($files)) {
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foreach ($files as $file) {
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if (is_dir($file)) {
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list($tmp, $addon) = array_map('trim', explode('/', $file));
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$info = self::getInfo($addon);
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if (DI::config()->get('system', 'show_unsupported_addons')
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|| strtolower($info['status']) != 'unsupported'
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|| self::isEnabled($addon)
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) {
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$addons[] = [$addon, (self::isEnabled($addon) ? 'on' : 'off'), $info];
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}
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}
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}
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}
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return $addons;
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}
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/**
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* Returns a list of addons that can be configured at the node level.
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* The list is formatted for display in the admin panel aside.
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*
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* @return array
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* @throws \Exception
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*/
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public static function getAdminList()
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{
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$addons_admin = [];
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$addonsAdminStmt = DBA::select('addon', ['name'], ['plugin_admin' => 1], ['order' => ['name']]);
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while ($addon = DBA::fetch($addonsAdminStmt)) {
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$addons_admin[$addon['name']] = [
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'url' => 'admin/addons/' . $addon['name'],
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'name' => $addon['name'],
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'class' => 'addon'
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];
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}
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DBA::close($addonsAdminStmt);
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return $addons_admin;
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}
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/**
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* Synchronize addons:
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*
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* system.addon contains a comma-separated list of names
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* of addons which are used on this system.
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* Go through the database list of already installed addons, and if we have
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* an entry, but it isn't in the config list, call the uninstall procedure
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* and mark it uninstalled in the database (for now we'll remove it).
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* Then go through the config list and if we have a addon that isn't installed,
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* call the install procedure and add it to the database.
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*
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*/
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public static function loadAddons()
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{
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$installed_addons = DBA::selectToArray('addon', ['name'], ['installed' => true]);
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self::$addons = array_column($installed_addons, 'name');
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}
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/**
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* uninstalls an addon.
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*
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* @param string $addon name of the addon
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* @return void
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* @throws \Exception
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*/
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public static function uninstall($addon)
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{
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$addon = Strings::sanitizeFilePathItem($addon);
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Logger::notice("Addon {addon}: {action}", ['action' => 'uninstall', 'addon' => $addon]);
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DBA::delete('addon', ['name' => $addon]);
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@include_once('addon/' . $addon . '/' . $addon . '.php');
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if (function_exists($addon . '_uninstall')) {
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$func = $addon . '_uninstall';
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$func();
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}
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Hook::delete(['file' => 'addon/' . $addon . '/' . $addon . '.php']);
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unset(self::$addons[array_search($addon, self::$addons)]);
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}
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/**
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* installs an addon.
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*
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* @param string $addon name of the addon
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* @return bool
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* @throws \Exception
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*/
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public static function install($addon)
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{
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$addon = Strings::sanitizeFilePathItem($addon);
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// silently fail if addon was removed of if $addon is funky
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if (!file_exists('addon/' . $addon . '/' . $addon . '.php')) {
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return false;
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}
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Logger::notice("Addon {addon}: {action}", ['action' => 'install', 'addon' => $addon]);
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$t = @filemtime('addon/' . $addon . '/' . $addon . '.php');
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@include_once('addon/' . $addon . '/' . $addon . '.php');
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if (function_exists($addon . '_install')) {
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$func = $addon . '_install';
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$func(DI::app());
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$addon_admin = (function_exists($addon . "_addon_admin") ? 1 : 0);
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DBA::insert('addon', ['name' => $addon, 'installed' => true,
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'timestamp' => $t, 'plugin_admin' => $addon_admin]);
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// we can add the following with the previous SQL
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// once most site tables have been updated.
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// This way the system won't fall over dead during the update.
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if (file_exists('addon/' . $addon . '/.hidden')) {
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DBA::update('addon', ['hidden' => true], ['name' => $addon]);
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}
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if (!self::isEnabled($addon)) {
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self::$addons[] = $addon;
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}
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return true;
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} else {
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Logger::error("Addon {addon}: {action} failed", ['action' => 'install', 'addon' => $addon]);
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return false;
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}
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}
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/**
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* reload all updated addons
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*/
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public static function reload()
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{
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$addons = DBA::selectToArray('addon', [], ['installed' => true]);
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foreach ($addons as $addon) {
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$addonname = Strings::sanitizeFilePathItem(trim($addon['name']));
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$fname = 'addon/' . $addonname . '/' . $addonname . '.php';
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$t = @filemtime($fname);
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if (!file_exists($fname) || ($addon['timestamp'] == $t)) {
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continue;
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}
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Logger::notice("Addon {addon}: {action}", ['action' => 'reload', 'addon' => $addon['name']]);
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self::uninstall($fname);
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self::install($fname);
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}
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}
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/**
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* Parse addon comment in search of addon infos.
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*
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* like
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* \code
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* * Name: addon
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* * Description: An addon which plugs in
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* . * Version: 1.2.3
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* * Author: John <profile url>
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* * Author: Jane <email>
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* * Maintainer: Jess <email>
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* *
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* *\endcode
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* @param string $addon the name of the addon
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* @return array with the addon information
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* @throws \Exception
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*/
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public static function getInfo($addon)
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{
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$addon = Strings::sanitizeFilePathItem($addon);
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$info = [
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'name' => $addon,
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'description' => "",
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'author' => [],
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'maintainer' => [],
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'version' => "",
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'status' => ""
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];
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if (!is_file("addon/$addon/$addon.php")) {
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return $info;
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}
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$stamp1 = microtime(true);
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$f = file_get_contents("addon/$addon/$addon.php");
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DI::profiler()->saveTimestamp($stamp1, "file");
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$r = preg_match("|/\*.*\*/|msU", $f, $m);
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if ($r) {
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$ll = explode("\n", $m[0]);
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foreach ($ll as $l) {
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$l = trim($l, "\t\n\r */");
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if ($l != "") {
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$addon_info = array_map("trim", explode(":", $l, 2));
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if (count($addon_info) < 2) {
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continue;
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}
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list($type, $v) = $addon_info;
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$type = strtolower($type);
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if ($type == "author" || $type == "maintainer") {
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$r = preg_match("|([^<]+)<([^>]+)>|", $v, $m);
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if ($r) {
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$info[$type][] = ['name' => $m[1], 'link' => $m[2]];
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} else {
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$info[$type][] = ['name' => $v];
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}
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} else {
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if (array_key_exists($type, $info)) {
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$info[$type] = $v;
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}
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}
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}
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}
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}
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return $info;
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}
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/**
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* Checks if the provided addon is enabled
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*
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* @param string $addon
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* @return boolean
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*/
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public static function isEnabled($addon)
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{
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return in_array($addon, self::$addons);
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}
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/**
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* Returns a list of the enabled addon names
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*
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* @return array
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*/
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public static function getEnabledList()
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{
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return self::$addons;
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}
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/**
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* Returns the list of non-hidden enabled addon names
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*
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* @return array
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* @throws \Exception
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*/
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public static function getVisibleList()
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{
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$visible_addons = [];
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$stmt = DBA::select('addon', ['name'], ['hidden' => false, 'installed' => true]);
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if (DBA::isResult($stmt)) {
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foreach (DBA::toArray($stmt) as $addon) {
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$visible_addons[] = $addon['name'];
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}
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}
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return $visible_addons;
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}
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/**
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* Shim of Hook::register left for backward compatibility purpose.
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*
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* @see Hook::register
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* @deprecated since version 2018.12
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* @param string $hook the name of the hook
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* @param string $file the name of the file that hooks into
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* @param string $function the name of the function that the hook will call
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* @param int $priority A priority (defaults to 0)
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* @return mixed|bool
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function registerHook($hook, $file, $function, $priority = 0)
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{
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return Hook::register($hook, $file, $function, $priority);
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}
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/**
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* Shim of Hook::unregister left for backward compatibility purpose.
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*
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* @see Hook::unregister
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* @deprecated since version 2018.12
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* @param string $hook the name of the hook
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* @param string $file the name of the file that hooks into
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* @param string $function the name of the function that the hook called
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* @return boolean
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function unregisterHook($hook, $file, $function)
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{
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return Hook::unregister($hook, $file, $function);
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}
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/**
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* Shim of Hook::callAll left for backward-compatibility purpose.
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*
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* @see Hook::callAll
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* @deprecated since version 2018.12
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* @param string $name of the hook to call
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* @param string|array &$data to transmit to the callback handler
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function callHooks($name, &$data = null)
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{
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Hook::callAll($name, $data);
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}
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}
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