installer.php
169 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package VikUpdater |
| 4 | * @subpackage plugin |
| 5 | * @author E4J s.r.l. |
| 6 | * @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved. |
| 7 | * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
| 8 | * @link https://vikwp.com |
| 9 | */ |
| 10 | |
| 11 | // No direct access |
| 12 | defined('ABSPATH') or die('No script kiddies please!'); |
| 13 | |
| 14 | require_once ABSPATH . 'wp-includes/pluggable.php'; |
| 15 | require_once ABSPATH . 'wp-admin/includes/plugin-install.php'; |
| 16 | require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 17 | require_once ABSPATH . 'wp-admin/includes/misc.php'; |
| 18 | require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 19 | require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; |
| 20 | |
| 21 | JLoader::import('adapter.plugin.installer.interface'); |
| 22 | |
| 23 | /** |
| 24 | * Generic class used to install remote plugins without |
| 25 | * the confirmation of the user. |
| 26 | * |
| 27 | * @since 10.1.57 |
| 28 | */ |
| 29 | abstract class JPluginInstaller implements JPluginInstallerInterface |
| 30 | { |
| 31 | /** |
| 32 | * @inheritDoc |
| 33 | */ |
| 34 | final public function isInstalled() |
| 35 | { |
| 36 | // get the plugin slug |
| 37 | $slug = $this->getSlug(); |
| 38 | |
| 39 | // construct plugin url |
| 40 | $pluginPath = JPath::clean(WP_PLUGIN_DIR . '/' . $slug . '.php'); |
| 41 | |
| 42 | // validate the presence of the file |
| 43 | return JFile::exists($pluginPath); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @inheritDoc |
| 48 | */ |
| 49 | final public function isActive() |
| 50 | { |
| 51 | return is_plugin_active($this->getSlug() . '.php'); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @inheritDoc |
| 56 | */ |
| 57 | final public function install() |
| 58 | { |
| 59 | /** |
| 60 | * Create a custom skin to support a sort of silent installation. |
| 61 | * |
| 62 | * @see WP_Upgrader_Skin |
| 63 | */ |
| 64 | $skin = new class extends WP_Upgrader_Skin |
| 65 | { |
| 66 | /** @var string[] */ |
| 67 | private $trace = []; |
| 68 | |
| 69 | /** |
| 70 | * @inheritDoc |
| 71 | */ |
| 72 | public function header() |
| 73 | { |
| 74 | // suppress unexpected output |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @inheritDoc |
| 79 | */ |
| 80 | public function footer() |
| 81 | { |
| 82 | // suppress unexpected output |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @inheritDoc |
| 87 | */ |
| 88 | public function feedback($feedback, ...$args) |
| 89 | { |
| 90 | // suppress any errors |
| 91 | $this->trace[] = $feedback; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Returns the feedback trace. |
| 96 | * |
| 97 | * @return string[] |
| 98 | */ |
| 99 | public function getTrace(): array |
| 100 | { |
| 101 | return $this->trace; |
| 102 | } |
| 103 | }; |
| 104 | |
| 105 | // create installer handler |
| 106 | $upgrader = new Plugin_Upgrader($skin); |
| 107 | |
| 108 | // check whether the plugin is already installed |
| 109 | if ($this->isInstalled()) |
| 110 | { |
| 111 | // plugin already installed, delete the folder first |
| 112 | JFolder::delete(dirname(WP_PLUGIN_DIR . DIRECTORY_SEPARATOR . $this->getSlug() . '.php')); |
| 113 | } |
| 114 | |
| 115 | // download the plugin from the provided link and install it |
| 116 | $result = $upgrader->install($this->getUrl()); |
| 117 | |
| 118 | if ($result !== true) |
| 119 | { |
| 120 | if ($result instanceof WP_Error) |
| 121 | { |
| 122 | // propagate the error registered by the WP installer |
| 123 | $code = $result->get_error_code(); |
| 124 | throw new RuntimeException($result->get_error_message(), is_numeric($code) ? (int) $code : 500); |
| 125 | } |
| 126 | else |
| 127 | { |
| 128 | // extract the error from our skin |
| 129 | $trace = $skin->getTrace(); |
| 130 | throw new RuntimeException(end($trace) ?: 'Installation error.', 500); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | // make sure the plugin actually exists |
| 135 | if (!$this->isInstalled()) |
| 136 | { |
| 137 | // the plugin hasn't been properly downloaded |
| 138 | throw new RuntimeException('Plugin [' . $this->getSlug() . '] not found', 404); |
| 139 | } |
| 140 | |
| 141 | if (!$this->isActive()) |
| 142 | { |
| 143 | // try to activate the plugin |
| 144 | $result = activate_plugin($this->getSlug() . '.php'); |
| 145 | |
| 146 | if ($result instanceof WP_Error) |
| 147 | { |
| 148 | // propagate the error registered during the activation |
| 149 | $code = $result->get_error_code(); |
| 150 | throw new RuntimeException($result->get_error_message(), is_numeric($code) ? (int) $code : 500); |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Returns the plugin slug for the activation. |
| 157 | * |
| 158 | * @return string |
| 159 | */ |
| 160 | abstract protected function getSlug(); |
| 161 | |
| 162 | /** |
| 163 | * Returns the remote URL that will be used to download the plugin. |
| 164 | * |
| 165 | * @return string |
| 166 | */ |
| 167 | abstract protected function getUrl(); |
| 168 | } |
| 169 |