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<?php |
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/** |
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* Extension upgrader class. |
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* |
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* @package WordPoints |
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* @since 2.4.0 |
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*/ |
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/** |
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* Upgrades extensions. |
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* |
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* This class is based on the WordPress Plugin_Upgrader class, and is designed to |
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* upgrade/install extensions from a local zip, remote zip URL, or uploaded zip file. |
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* |
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* @see WP_Upgrader The WP Upgrader class. |
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* |
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* @since 2.4.0 |
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*/ |
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class WordPoints_Extension_Upgrader extends WordPoints_Module_Installer { |
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/** |
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* Whether we are performing a bulk upgrade. |
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* |
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* @since 2.4.0 |
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* |
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* @var bool |
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*/ |
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protected $bulk = false; |
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/** |
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* Whether the upgrade routine bailed out early. |
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* |
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* @since 2.4.0 |
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* |
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* @var bool |
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*/ |
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protected $bailed_early = false; |
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/** |
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* The extension server API being used for the extension currently being updated. |
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* |
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* @since 2.5.0 |
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* |
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* @var WordPoints_Extension_Server_APII |
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*/ |
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protected $wordpoints_extension_api; |
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/** |
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* The extension server API data for the extension currently being updated. |
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* |
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* @since 2.5.0 |
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* |
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* @var WordPoints_Extension_Server_API_Extension_DataI |
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*/ |
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protected $wordpoints_extension_data; |
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/** |
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* Sets up the strings for an extension upgrade. |
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* |
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* @since 2.4.0 |
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*/ |
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protected function upgrade_strings() { |
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$upgrade_strings = array( |
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'up_to_date' => esc_html__( 'The extension is at the latest version.', 'wordpoints' ), |
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'no_package' => esc_html__( 'Update package not available.', 'wordpoints' ), |
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'no_server' => esc_html__( 'That extension cannot be updated, because there is no server specified to receive updates through.', 'wordpoints' ), |
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'api_not_found' => esc_html__( 'That extension cannot be updated, because there is no API installed that can communicate with that server.', 'wordpoints' ), |
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'api_updates_not_supported' => esc_html__( 'That extension cannot be updated, because the API used to communicate with that server does not support updates.', 'wordpoints' ), |
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// translators: Update package URL. |
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'downloading_package' => sprintf( esc_html__( 'Downloading update from %s…', 'wordpoints' ), '<span class="code">%s</span>' ), |
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'verifying_package' => esc_html__( 'Verifying the update…', 'wordpoints' ), |
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// translators: Support forums link. |
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'verifying_package_failed' => wp_kses_data( sprintf( __( 'Verifying the update failed. The update was not installed, because the package may have been modified by an attacker. Please <a href="%s">report this failure</a>.', 'wordpoints' ), 'https://wordpress.org/support/plugin/wordpoints' ) ), |
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'unpack_package' => esc_html__( 'Unpacking the update…', 'wordpoints' ), |
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'remove_old' => esc_html__( 'Removing the old version of the extension…', 'wordpoints' ), |
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'remove_old_failed' => esc_html__( 'Could not remove the old extension.', 'wordpoints' ), |
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'process_failed' => esc_html__( 'Extension update failed.', 'wordpoints' ), |
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'process_success' => esc_html__( 'Extension updated successfully.', 'wordpoints' ), |
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'not_installed' => esc_html__( 'That extension cannot be updated, because it is not installed.', 'wordpoints' ), |
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); |
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$this->strings = array_merge( $this->strings, $upgrade_strings ); |
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} |
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/** |
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* Upgrades an extension. |
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* |
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* @since 2.4.0 |
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* |
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* @param string $extension_file Basename path to the extension file. |
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* @param array $args { |
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* Optional arguments. |
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* |
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* @type bool $clear_update_cache Whether the to clear the update cache. |
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* The default is true. |
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* } |
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* |
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* @return bool|WP_Error True on success, false or a WP_Error on failure. |
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*/ |
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public function upgrade( $extension_file, $args = array() ) { |
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$args = $this->before_upgrades( $args ); |
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$result = $this->do_upgrade( $extension_file ); |
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$this->after_upgrades( $extension_file, $args ); |
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if ( ! $result || is_wp_error( $result ) ) { |
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return $result; |
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} |
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return true; |
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} |
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/** |
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* Performs a bulk upgrade. |
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* |
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* @since 2.4.0 |
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* |
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* @param string[] $extensions Array of basename paths to the extensions. |
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* @param array $args { |
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* |
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* @type bool $clear_update_cache Whether the to clear the update cache. |
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* Default is true. |
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* } |
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* |
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* @return array|false The result of each update, indexed by extension, or false if |
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* unable to perform the upgrades. |
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*/ |
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public function bulk_upgrade( $extensions, $args = array() ) { |
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$this->bulk = true; |
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$args = $this->before_upgrades( $args ); |
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$this->skin->header(); |
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// Connect to the Filesystem first. |
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if ( ! $this->fs_connect( array( WP_CONTENT_DIR, wordpoints_extensions_dir() ) ) ) { |
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$this->skin->footer(); |
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return false; |
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} |
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$this->skin->bulk_header(); |
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$this->maybe_start_maintenance_mode( $extensions ); |
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$results = array(); |
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$this->update_count = count( $extensions ); |
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$this->update_current = 0; |
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foreach ( $extensions as $extension ) { |
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$this->update_current++; |
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$results[ $extension ] = $this->do_upgrade( $extension ); |
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// Prevent credentials auth screen from displaying multiple times. |
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if ( false === $results[ $extension ] && ! $this->bailed_early ) { |
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break; |
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} |
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} |
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$this->maintenance_mode( false ); |
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$this->skin->bulk_footer(); |
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$this->skin->footer(); |
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$this->after_upgrades( $extensions, $args ); |
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return $results; |
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} // End public function bulk_upgrade(). |
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/** |
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* Sets up before running the upgrades. |
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* |
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* @since 2.4.0 |
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* |
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* @param array $args The arguments passed to the upgrader. |
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* |
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* @return array The parsed upgrader arguments. |
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*/ |
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protected function before_upgrades( $args ) { |
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$args = wp_parse_args( $args, array( 'clear_update_cache' => true ) ); |
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$this->init(); |
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$this->upgrade_strings(); |
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add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_extension' ), 10, 4 ); |
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add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); |
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add_filter( 'upgrader_source_selection', array( $this, 'correct_extension_dir_name' ), 10, 4 ); |
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add_filter( 'upgrader_pre_download', array( $this, 'verify_package_signature' ), 10, 3 ); |
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add_filter( 'upgrader_pre_install', array( $this, 'deactivate_extension_before_upgrade' ), 10, 2 ); |
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return $args; |
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} |
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/** |
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* Upgrades an extension. |
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* |
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* This is the real meat of the upgrade functions. |
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* |
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* @since 2.4.0 |
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* |
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* @param string $extension_file Basename path to the extension file. |
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* |
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* @return bool|array|WP_Error Returns true or an array on success, false or a |
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* WP_Error on failure. |
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*/ |
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protected function do_upgrade( $extension_file ) { |
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$this->bailed_early = false; |
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$extensions = wordpoints_get_modules(); |
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if ( ! isset( $extensions[ $extension_file ] ) ) { |
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$this->bail_early( 'not_installed' ); |
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return false; |
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} |
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$extension_data = $extensions[ $extension_file ]; |
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if ( $this->skin instanceof WordPoints_Extension_Upgrader_Skin_Bulk ) { |
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$this->skin->set_extension( $extension_file ); |
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} |
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if ( ! wordpoints_get_extension_updates()->has_update( $extension_file ) ) { |
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$this->bail_early( 'up_to_date', 'feedback' ); |
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return true; |
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} |
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$server = wordpoints_get_server_for_extension( $extension_data ); |
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if ( ! $server ) { |
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$this->bail_early( 'no_server' ); |
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return false; |
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} |
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$api = $server->get_api(); |
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if ( false === $api ) { |
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$this->bail_early( 'api_not_found' ); |
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return false; |
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} |
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if ( ! $api instanceof WordPoints_Extension_Server_API_Updates_InstallableI ) { |
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$this->bail_early( 'api_updates_not_supported' ); |
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return false; |
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} |
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$extension_data = new WordPoints_Extension_Server_API_Extension_Data( |
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$extension_data['ID'] |
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, $server |
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); |
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$this->wordpoints_extension_api = $api; |
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$this->wordpoints_extension_data = $extension_data; |
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return $this->run( |
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array( |
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'package' => $api->get_extension_package_url( $extension_data ), |
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'destination' => wordpoints_extensions_dir(), |
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'clear_destination' => true, |
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'clear_working' => true, |
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'is_multi' => $this->bulk, |
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'hook_extra' => array( |
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'wordpoints_extension' => $extension_file, |
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), |
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) |
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); |
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} // End protected function do_upgrade(). |
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/** |
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* Cleans up after the upgrades. |
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* |
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* @since 2.4.0 |
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* |
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* @param string|string[] $extensions The extension(s) being upgraded. |
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* @param array $args The arguments passed to the upgrader. |
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*/ |
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protected function after_upgrades( $extensions, $args ) { |
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remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); |
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remove_filter( 'upgrader_source_selection', array( $this, 'correct_extension_dir_name' ) ); |
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remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_extension' ) ); |
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remove_filter( 'upgrader_pre_download', array( $this, 'verify_package_signature' ) ); |
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remove_filter( 'upgrader_pre_install', array( $this, 'deactivate_extension_before_upgrade' ) ); |
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if ( ! $this->bulk ) { |
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if ( ! $this->skin->result || is_wp_error( $this->skin->result ) ) { |
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return; |
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} |
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} |
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// Force refresh of extension update cache. |
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wordpoints_clean_extensions_cache( $args['clear_update_cache'] ); |
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$details = array( |
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'action' => 'update', |
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'type' => 'wordpoints_extension', |
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'bulk' => $this->bulk, |
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); |
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/** |
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* This action is documented in /wp-admin/includes/class-wp-upgrader.php. |
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311
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*/ |
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312
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do_action( 'upgrader_process_complete', $this, $details, $extensions ); // WPCS: prefix OK. |
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313
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} |
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314
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315
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/** |
|
316
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* Bail early before finishing a process normally. |
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317
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* |
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318
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* @since 2.4.0 |
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319
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* |
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320
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* @param string $message Slug for the message to show the user. |
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321
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|
* @param string $type The type of message, 'error' (default), or 'feedback'. |
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322
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*/ |
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323
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protected function bail_early( $message, $type = 'error' ) { |
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324
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325
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$this->bailed_early = true; |
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326
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327
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$this->skin->before(); |
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328
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$this->skin->set_result( false ); |
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329
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330
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if ( 'feedback' === $type ) { |
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331
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$this->skin->feedback( $message ); |
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332
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} else { |
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333
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$this->skin->error( $message ); |
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334
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} |
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335
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336
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$this->skin->after(); |
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337
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} |
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338
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|
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339
|
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|
/** |
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340
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* Conditionally starts maintenance mode, only if necessary. |
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341
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* |
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342
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* Used when performing bulk updates. |
|
343
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* |
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344
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|
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* Only start maintenance mode if: |
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345
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* - running Multisite and there are one or more extensions specified, OR |
|
346
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* - an extension with an update available is currently active. |
|
347
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|
* |
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348
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|
* @since 2.4.0 |
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349
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|
|
* |
|
350
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|
|
* @param string[] $extensions The extensions being upgraded in bulk. |
|
351
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|
|
*/ |
|
352
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|
|
public function maybe_start_maintenance_mode( $extensions ) { |
|
353
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|
354
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|
|
if ( is_multisite() && ! empty( $extensions ) ) { |
|
|
|
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|
|
355
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|
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|
|
356
|
|
|
$this->maintenance_mode( true ); |
|
357
|
|
|
|
|
358
|
|
|
} else { |
|
359
|
|
|
|
|
360
|
|
|
$updates = wordpoints_get_extension_updates(); |
|
361
|
|
|
|
|
362
|
|
|
foreach ( $extensions as $extension ) { |
|
363
|
|
|
|
|
364
|
|
|
if ( |
|
365
|
|
|
is_wordpoints_module_active( $extension ) |
|
366
|
|
|
&& $updates->has_update( $extension ) |
|
367
|
|
|
) { |
|
368
|
|
|
$this->maintenance_mode( true ); |
|
369
|
|
|
break; |
|
370
|
|
|
} |
|
371
|
|
|
} |
|
372
|
|
|
} |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
|
|
/** |
|
376
|
|
|
* Makes sure an extension is inactive before it is upgraded. |
|
377
|
|
|
* |
|
378
|
|
|
* @since 2.4.0 |
|
379
|
|
|
* |
|
380
|
|
|
* @WordPress\filter upgrader_pre_install Added by self::upgrade(). |
|
381
|
|
|
* |
|
382
|
|
|
* @param bool|WP_Error $return True if we should do the upgrade, a WP_Error otherwise. |
|
383
|
|
|
* @param array $data Data about the upgrade: what extension is being upgraded. |
|
384
|
|
|
* |
|
385
|
|
|
* @return bool|WP_Error A WP_Error on failure, otherwise nothing. |
|
386
|
|
|
*/ |
|
387
|
|
|
public function deactivate_extension_before_upgrade( $return, $data ) { |
|
388
|
|
|
|
|
389
|
|
|
if ( is_wp_error( $return ) ) { |
|
|
|
|
|
|
390
|
|
|
return $return; |
|
391
|
|
|
} |
|
392
|
|
|
|
|
393
|
|
|
if ( empty( $data['wordpoints_extension'] ) ) { |
|
394
|
|
|
return new WP_Error( 'bad_request', $this->strings['bad_request'] ); |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
if ( is_wordpoints_module_active( $data['wordpoints_extension'] ) ) { |
|
398
|
|
|
|
|
399
|
|
|
// Deactivate the extension silently (the actions won't be fired). |
|
400
|
|
|
wordpoints_deactivate_modules( array( $data['wordpoints_extension'] ), true ); |
|
401
|
|
|
} |
|
402
|
|
|
|
|
403
|
|
|
return $return; |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
/** |
|
407
|
|
|
* Ensures that an extension folder will have the correct name. |
|
408
|
|
|
* |
|
409
|
|
|
* @since 2.4.0 |
|
410
|
|
|
* |
|
411
|
|
|
* @WordPress\filter upgrader_source_selection Added by self::upgrade(). |
|
412
|
|
|
* |
|
413
|
|
|
* @param string $source The path to the extension source. |
|
414
|
|
|
* @param array $remote_source The remote source of the extension. |
|
415
|
|
|
* @param WP_Upgrader $upgrader The upgrader instance. |
|
|
|
|
|
|
416
|
|
|
* @param array $data Data about the upgrade. |
|
417
|
|
|
* |
|
418
|
|
|
* @return string The extension folder. |
|
419
|
|
|
*/ |
|
420
|
|
|
public function correct_extension_dir_name( $source, $remote_source, $upgrader, $data ) { |
|
421
|
|
|
|
|
422
|
|
|
global $wp_filesystem; |
|
423
|
|
|
|
|
424
|
|
|
if ( is_wp_error( $source ) ) { |
|
|
|
|
|
|
425
|
|
|
return $source; |
|
426
|
|
|
} |
|
427
|
|
|
|
|
428
|
|
|
if ( $upgrader !== $this || ! isset( $data['wordpoints_extension'] ) ) { |
|
429
|
|
|
return $source; |
|
430
|
|
|
} |
|
431
|
|
|
|
|
432
|
|
|
$source_name = basename( $source ); |
|
433
|
|
|
$extension_name = dirname( $data['wordpoints_extension'] ); |
|
434
|
|
|
|
|
435
|
|
|
if ( '.' === $extension_name || $source_name === $extension_name ) { |
|
436
|
|
|
return $source; |
|
437
|
|
|
} |
|
438
|
|
|
|
|
439
|
|
|
$correct_source = dirname( $source ) . '/' . $extension_name; |
|
440
|
|
|
|
|
441
|
|
|
$moved = $wp_filesystem->move( $source, $correct_source ); |
|
442
|
|
|
|
|
443
|
|
|
if ( ! $moved ) { |
|
444
|
|
|
return new WP_Error( 'wordpoints_incorrect_source_name', $this->strings['incorrect_source_name'] ); |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
return $correct_source; |
|
448
|
|
|
} |
|
449
|
|
|
|
|
450
|
|
|
/** |
|
451
|
|
|
* Deletes the old extension before installing the new one. |
|
452
|
|
|
* |
|
453
|
|
|
* @since 2.4.0 |
|
454
|
|
|
* |
|
455
|
|
|
* @WordPress\filter upgrader_clear_destination Added by self::upgrade() and |
|
456
|
|
|
* self::bulk_upgrade(). |
|
457
|
|
|
* |
|
458
|
|
|
* @param true|WP_Error $removed Whether the destination folder has been removed. |
|
459
|
|
|
* @param string $local_destination The local path to the destination folder. |
|
460
|
|
|
* @param string $remote_destination The remote path to the destination folder. |
|
461
|
|
|
* @param array $data Data for the upgrade: what extension is being upgraded. |
|
462
|
|
|
* |
|
463
|
|
|
* @return true|WP_Error True on success, a WP_Error on failure. |
|
464
|
|
|
*/ |
|
465
|
|
|
public function delete_old_extension( $removed, $local_destination, $remote_destination, $data ) { |
|
466
|
|
|
|
|
467
|
|
|
global $wp_filesystem; |
|
468
|
|
|
|
|
469
|
|
|
if ( is_wp_error( $removed ) ) { |
|
|
|
|
|
|
470
|
|
|
return $removed; |
|
471
|
|
|
} |
|
472
|
|
|
|
|
473
|
|
|
if ( empty( $data['wordpoints_extension'] ) ) { |
|
474
|
|
|
return new WP_Error( 'bad_request', $this->strings['bad_request'] ); |
|
475
|
|
|
} |
|
476
|
|
|
|
|
477
|
|
|
$extensions_dir = $wp_filesystem->find_folder( wordpoints_extensions_dir() ); |
|
478
|
|
|
$this_extension_dir = trailingslashit( dirname( $extensions_dir . $data['wordpoints_extension'] ) ); |
|
|
|
|
|
|
479
|
|
|
|
|
480
|
|
|
// Make sure it hasn't already been removed somehow. |
|
481
|
|
|
if ( ! $wp_filesystem->exists( $this_extension_dir ) ) { |
|
482
|
|
|
return $removed; |
|
483
|
|
|
} |
|
484
|
|
|
|
|
485
|
|
|
/* |
|
486
|
|
|
* If the extension is in its own directory, recursively delete the directory. |
|
487
|
|
|
* Do a base check on if the extension includes the directory separator AND that |
|
488
|
|
|
* it's not the root extensions folder. If not, just delete the single file. |
|
489
|
|
|
*/ |
|
490
|
|
|
if ( strpos( $data['wordpoints_extension'], '/' ) && $this_extension_dir !== $extensions_dir ) { |
|
491
|
|
|
$deleted = $wp_filesystem->delete( $this_extension_dir, true ); |
|
492
|
|
|
} else { |
|
493
|
|
|
$deleted = $wp_filesystem->delete( $extensions_dir . $data['wordpoints_extension'] ); |
|
494
|
|
|
} |
|
495
|
|
|
|
|
496
|
|
|
if ( ! $deleted ) { |
|
497
|
|
|
return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] ); |
|
498
|
|
|
} |
|
499
|
|
|
|
|
500
|
|
|
return true; |
|
501
|
|
|
} |
|
502
|
|
|
|
|
503
|
|
|
/** |
|
504
|
|
|
* Verifies the signature of the update package before unpacking it. |
|
505
|
|
|
* |
|
506
|
|
|
* @since 2.5.0 |
|
507
|
|
|
* |
|
508
|
|
|
* @WordPress\filter upgrader_pre_download Added by self::upgrade(). |
|
509
|
|
|
* |
|
510
|
|
|
* @param bool|WP_Error $return True if we should do the upgrade, a WP_Error |
|
511
|
|
|
* otherwise. |
|
512
|
|
|
* @param string $package The package URL. |
|
513
|
|
|
* @param WP_Upgrader $upgrader The upgrader. |
|
514
|
|
|
* |
|
515
|
|
|
* @return bool|WP_Error A WP_Error on failure, otherwise nothing. |
|
516
|
|
|
*/ |
|
517
|
|
|
public function verify_package_signature( $return, $package, $upgrader ) { |
|
518
|
|
|
|
|
519
|
|
|
if ( is_wp_error( $return ) ) { |
|
|
|
|
|
|
520
|
|
|
return $return; |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
|
|
if ( $upgrader !== $this ) { |
|
524
|
|
|
return $return; |
|
525
|
|
|
} |
|
526
|
|
|
|
|
527
|
|
|
// WARNING: In 3.0.0 we will change this to abort the update. |
|
528
|
|
|
if ( ! $this->wordpoints_extension_api instanceof WordPoints_Extension_Server_API_Updates_Signed_Ed25519I ) { |
|
529
|
|
|
|
|
530
|
|
|
_doing_it_wrong( |
|
|
|
|
|
|
531
|
|
|
__METHOD__ |
|
532
|
|
|
, 'Extension server APIs should use digital signatures to verify packages.' |
|
533
|
|
|
, '2.5.0' |
|
534
|
|
|
); |
|
535
|
|
|
|
|
536
|
|
|
return $return; |
|
537
|
|
|
} |
|
538
|
|
|
|
|
539
|
|
|
$public_key = $this->wordpoints_extension_api->get_extension_public_key_ed25519( |
|
540
|
|
|
$this->wordpoints_extension_data |
|
541
|
|
|
); |
|
542
|
|
|
|
|
543
|
|
|
// WARNING: In 3.0.0 we will change this to abort the update. |
|
544
|
|
|
if ( ! $public_key ) { |
|
545
|
|
|
|
|
546
|
|
|
_doing_it_wrong( |
|
547
|
|
|
__METHOD__ |
|
548
|
|
|
, 'Extension server APIs should use digital signatures to verify packages.' |
|
549
|
|
|
, '2.5.0' |
|
550
|
|
|
); |
|
551
|
|
|
|
|
552
|
|
|
return $return; |
|
553
|
|
|
} |
|
554
|
|
|
|
|
555
|
|
|
remove_filter( 'upgrader_pre_download', array( $this, 'verify_package_signature' ) ); |
|
|
|
|
|
|
556
|
|
|
|
|
557
|
|
|
$download_file = $this->download_package( $package ); |
|
558
|
|
|
|
|
559
|
|
|
add_filter( 'upgrader_pre_download', array( $this, 'verify_package_signature' ), 10, 3 ); |
|
|
|
|
|
|
560
|
|
|
|
|
561
|
|
|
if ( is_wp_error( $download_file ) ) { |
|
562
|
|
|
return $download_file; |
|
563
|
|
|
} |
|
564
|
|
|
|
|
565
|
|
|
$this->skin->feedback( 'verifying_package' ); |
|
566
|
|
|
|
|
567
|
|
|
$ed25519_check = wordpoints_verify_file_ed25519( |
|
568
|
|
|
$download_file |
|
569
|
|
|
, $public_key |
|
570
|
|
|
, $this->wordpoints_extension_api->get_extension_package_signature_ed25519( |
|
571
|
|
|
$this->wordpoints_extension_data |
|
572
|
|
|
) |
|
573
|
|
|
); |
|
574
|
|
|
|
|
575
|
|
|
if ( is_wp_error( $ed25519_check ) ) { |
|
576
|
|
|
|
|
577
|
|
|
/** @var WP_Error $ed25519_check */ |
|
578
|
|
|
$ed25519_check->add( |
|
579
|
|
|
'verifying_package_failed' |
|
580
|
|
|
, $this->strings['verifying_package_failed'] |
|
581
|
|
|
); |
|
582
|
|
|
|
|
583
|
|
|
return $ed25519_check; |
|
584
|
|
|
} |
|
585
|
|
|
|
|
586
|
|
|
return $download_file; |
|
587
|
|
|
} |
|
588
|
|
|
|
|
589
|
|
|
} // End class WordPoints_Extension_Upgrader. |
|
590
|
|
|
|
|
591
|
|
|
// EOF |
|
592
|
|
|
|
WordPoints /
wordpoints
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