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| 1 | <?php |
| 2 | namespace NewfoldLabs\WP\Module\Installer\Services; |
| 3 | |
| 4 | use NewfoldLabs\WP\Module\Installer\Data\Plugins; |
| 5 | |
| 6 | /** |
| 7 | * Class PluginUninstaller |
| 8 | * This class is responsible to Uninstall a specified plugin |
| 9 | */ |
| 10 | class PluginUninstaller { |
| 11 | |
| 12 | /** |
| 13 | * Deactivate a plugin if active and then Uninstall the specific plugin. |
| 14 | * |
| 15 | * @param string $plugin Plugin URL. |
| 16 | * @return \WP_REST_Response|\WP_Error |
| 17 | */ |
| 18 | public static function uninstall( $plugin ) { |
| 19 | |
| 20 | $plugin_list = Plugins::get_squashed(); |
| 21 | // Gets the specified path for the Plugin from the predefined list |
| 22 | $plugin_path = $plugin_list[ $plugin ]['path']; |
| 23 | |
| 24 | if ( isset( $plugin_path ) && self::is_plugin_installed( $plugin_path ) ) { |
| 25 | |
| 26 | self::deactivate_plugin_if_active( $plugin_path ); |
| 27 | $deleted = self::delete_plugin( $plugin_path ); |
| 28 | |
| 29 | // If Deletion is not successful throw an error for a retry. |
| 30 | if ( is_wp_error( $deleted ) ) { |
| 31 | return $deleted; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | return new \WP_REST_Response( |
| 36 | array(), |
| 37 | 201 |
| 38 | ); |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * Checks if a plugin with the given slug exists. |
| 43 | * |
| 44 | * @param string $plugin Plugin |
| 45 | * @return boolean |
| 46 | */ |
| 47 | public static function exists( $plugin ) { |
| 48 | |
| 49 | $plugin_list = Plugins::get_squashed(); |
| 50 | $plugin_path = $plugin_list[ $plugin ]['path']; |
| 51 | |
| 52 | if ( ! self::is_plugin_installed( $plugin_path ) ) { |
| 53 | return false; |
| 54 | } |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Determines if a plugin has already been installed. |
| 60 | * |
| 61 | * @param string $plugin_path Path to the plugin's header file. |
| 62 | * @return boolean |
| 63 | */ |
| 64 | public static function is_plugin_installed( $plugin_path ) { |
| 65 | if ( ! function_exists( 'get_plugins' ) ) { |
| 66 | require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 67 | } |
| 68 | $all_plugins = \get_plugins(); |
| 69 | if ( ! empty( $all_plugins[ $plugin_path ] ) ) { |
| 70 | return true; |
| 71 | } else { |
| 72 | return false; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Deactivates a Plugin if it is activated. |
| 78 | * |
| 79 | * @param string $plugin_path Path to the plugin's header file. |
| 80 | */ |
| 81 | public static function deactivate_plugin_if_active( $plugin_path ) { |
| 82 | |
| 83 | // Checks if the necessary functions exist |
| 84 | if ( ! function_exists( 'is_plugin_active' ) || ! function_exists( 'deactivate_plugins' ) ) { |
| 85 | require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 86 | } |
| 87 | |
| 88 | // Determines whether a plugin is active. |
| 89 | if ( \is_plugin_active( $plugin_path ) ) { |
| 90 | // Deactivates a single plugin or multiple plugins. |
| 91 | // /wp-admin/includes/plugin.php |
| 92 | \deactivate_plugins( $plugin_path ); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Establishes a connection to the wp_filesystem. |
| 98 | * |
| 99 | * @return boolean |
| 100 | */ |
| 101 | protected static function connect_to_filesystem() { |
| 102 | require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 103 | |
| 104 | // We want to ensure that the user has direct access to the filesystem. |
| 105 | $access_type = \get_filesystem_method(); |
| 106 | if ( 'direct' !== $access_type ) { |
| 107 | return false; |
| 108 | } |
| 109 | |
| 110 | $creds = \request_filesystem_credentials( site_url() . '/wp-admin', '', false, false, array() ); |
| 111 | |
| 112 | if ( ! \WP_Filesystem( $creds ) ) { |
| 113 | return false; |
| 114 | } |
| 115 | |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Deletes a Plugin if it exists. |
| 121 | * |
| 122 | * @param string $plugin_path Path to the plugin's header file. |
| 123 | * @return boolean|\WP_Error |
| 124 | */ |
| 125 | public static function delete_plugin( $plugin_path ) { |
| 126 | |
| 127 | // Checks if the necessary functions exist |
| 128 | if ( ! function_exists( 'delete_plugins' ) ) { |
| 129 | require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 130 | } |
| 131 | |
| 132 | if ( ! self::connect_to_filesystem() ) { |
| 133 | return new \WP_Error( |
| 134 | 'nfd_installer_error', |
| 135 | 'Could not connect to the filesystem.', |
| 136 | array( 'status' => 500 ) |
| 137 | ); |
| 138 | } |
| 139 | |
| 140 | // Removes directory and files of a plugin |
| 141 | $deleted = \delete_plugins( array( $plugin_path ) ); |
| 142 | if ( ! $deleted || is_wp_error( $deleted ) ) { |
| 143 | return new \WP_Error( |
| 144 | 'nfd_installer_error', |
| 145 | 'Unable to Delete the Plugin', |
| 146 | array( 'status' => 500 ) |
| 147 | ); |
| 148 | } |
| 149 | |
| 150 | return true; |
| 151 | } |
| 152 | } |