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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,244 @@ | ||
| <?php | ||
| /** | ||
| * The PluginUpdater class which can be used to pull plugin updates from a new location. | ||
| * @package wp-migrate-db | ||
| */ | ||
|
|
||
| namespace DeliciousBrains\WPMDB\Free; | ||
|
|
||
| // Exit if accessed directly. | ||
| if ( ! defined( 'ABSPATH' ) ) { | ||
| exit; | ||
| } | ||
|
|
||
| use stdClass; | ||
|
|
||
| /** | ||
| * The PluginUpdater class which can be used to pull plugin updates from a new location. | ||
| */ | ||
| class PluginUpdater { | ||
| /** | ||
| * The URL where the api is located. | ||
| * @var ApiUrl | ||
| */ | ||
| private $api_url; | ||
|
|
||
| /** | ||
| * The amount of time to wait before checking for new updates. | ||
| * @var CacheTime | ||
| */ | ||
| private $cache_time; | ||
|
|
||
| /** | ||
| * These properties are passed in when instantiating to identify the plugin and it's update location. | ||
| * @var Properties | ||
| */ | ||
| private $properties; | ||
|
|
||
| /** | ||
| * Get the class constructed. | ||
| * | ||
| * @param Properties $properties These properties are passed in when instantiating to identify the plugin and it's update location. | ||
| */ | ||
| public function __construct( $properties ) { | ||
| if ( | ||
| empty( $properties['plugin_slug'] ) || | ||
| empty( $properties['plugin_basename'] ) | ||
| ) { | ||
| error_log( 'WPE Secure Plugin Updater received a malformed request.' ); | ||
| return; | ||
| } | ||
|
|
||
| $this->api_url = 'https://wpe-plugin-updates.wpengine.com/'; | ||
|
|
||
| $this->cache_time = time() + HOUR_IN_SECONDS * 5; | ||
|
|
||
| $this->properties = $this->get_full_plugin_properties( $properties, $this->api_url ); | ||
|
|
||
| if ( ! $this->properties ) { | ||
| return; | ||
| } | ||
|
|
||
| $this->register(); | ||
| } | ||
|
|
||
| /** | ||
| * Get the full plugin properties, including the directory name, version, basename, and add a transient name. | ||
| * | ||
| * @param Properties $properties These properties are passed in when instantiating to identify the plugin and it's update location. | ||
| * @param ApiUrl $api_url The URL where the api is located. | ||
| */ | ||
| public function get_full_plugin_properties( $properties, $api_url ) { | ||
| $plugins = \get_plugins(); | ||
|
|
||
| // Scan through all plugins installed and find the one which matches this one in question. | ||
| foreach ( $plugins as $plugin_basename => $plugin_data ) { | ||
| // Match using the passed-in plugin's basename. | ||
| if ( $plugin_basename === $properties['plugin_basename'] ) { | ||
| // Add the values we need to the properties. | ||
| $properties['plugin_dirname'] = dirname( $plugin_basename ); | ||
| $properties['plugin_version'] = $plugin_data['Version']; | ||
| $properties['plugin_update_transient_name'] = 'wpesu-plugin-' . sanitize_title( $properties['plugin_dirname'] ); | ||
| $properties['plugin_update_transient_exp_name'] = 'wpesu-plugin-' . sanitize_title( $properties['plugin_dirname'] ) . '-expiry'; | ||
| $properties['plugin_manifest_url'] = trailingslashit( $api_url ) . trailingslashit( $properties['plugin_slug'] ) . 'info.json'; | ||
|
|
||
| return $properties; | ||
| } | ||
| } | ||
|
|
||
| // No matching plugin was found installed. | ||
| return null; | ||
| } | ||
|
|
||
| /** | ||
| * Register hooks. | ||
| * | ||
| * @return void | ||
| */ | ||
| public function register() { | ||
| add_filter( 'plugins_api', array( $this, 'filter_plugin_update_info' ), 20, 3 ); | ||
| add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'filter_plugin_update_transient' ) ); | ||
| } | ||
|
|
||
| /** | ||
| * Filter the plugin update transient to take over update notifications. | ||
| * | ||
| * @param object $transient The site_transient_update_plugins transient. | ||
| * | ||
| * @handles site_transient_update_plugins | ||
| * @return object | ||
| */ | ||
| public function filter_plugin_update_transient( $transient ) { | ||
| // No update object exists. Return early. | ||
| if ( empty( $transient ) ) { | ||
| return $transient; | ||
| } | ||
|
|
||
| $result = $this->fetch_plugin_info(); | ||
|
|
||
| if ( false === $result ) { | ||
| return $transient; | ||
| } | ||
|
|
||
| if ( version_compare( $this->properties['plugin_version'], $result->version, '<' ) ) { | ||
| $res = $this->parse_plugin_info( $result ); | ||
| $transient->response[ $res->plugin ] = $res; | ||
| $transient->checked[ $res->plugin ] = $result->version; | ||
| } | ||
|
|
||
| return $transient; | ||
| } | ||
|
|
||
| /** | ||
| * Filters the plugin update information. | ||
| * | ||
| * @param object $res The response to be modified for the plugin in question. | ||
| * @param string $action The action in question. | ||
| * @param object $args The arguments for the plugin in question. | ||
| * | ||
| * @handles plugins_api | ||
| * @return object | ||
| */ | ||
| public function filter_plugin_update_info( $res, $action, $args ) { | ||
| // Do nothing if this is not about getting plugin information. | ||
| if ( 'plugin_information' !== $action ) { | ||
| return $res; | ||
| } | ||
|
|
||
| // Do nothing if it is not our plugin. | ||
| if ( $this->properties['plugin_dirname'] !== $args->slug ) { | ||
| return $res; | ||
| } | ||
|
|
||
| $result = $this->fetch_plugin_info(); | ||
|
|
||
| // Do nothing if we don't get the correct response from the server. | ||
| if ( false === $result ) { | ||
| return $res; | ||
| } | ||
|
|
||
| return $this->parse_plugin_info( $result ); | ||
| } | ||
|
|
||
| /** | ||
| * Fetches the plugin update object from the WP Product Info API. | ||
| * | ||
| * @return object|false | ||
| */ | ||
| private function fetch_plugin_info() { | ||
| // Fetch cache first. | ||
| $expiry = get_option( $this->properties['plugin_update_transient_exp_name'], 0 ); | ||
| $response = get_option( $this->properties['plugin_update_transient_name'] ); | ||
|
|
||
| if ( empty( $expiry ) || time() > $expiry || empty( $response ) ) { | ||
| $response = wp_remote_get( | ||
| $this->properties['plugin_manifest_url'], | ||
| array( | ||
| 'timeout' => 10, | ||
| 'headers' => array( | ||
| 'Accept' => 'application/json', | ||
| ), | ||
| ) | ||
| ); | ||
|
|
||
| if ( | ||
| is_wp_error( $response ) || | ||
| 200 !== wp_remote_retrieve_response_code( $response ) || | ||
| empty( wp_remote_retrieve_body( $response ) ) | ||
| ) { | ||
| return false; | ||
| } | ||
|
|
||
| $response = wp_remote_retrieve_body( $response ); | ||
|
|
||
| // Cache the response. | ||
| update_option( $this->properties['plugin_update_transient_exp_name'], $this->cache_time, false ); | ||
| update_option( $this->properties['plugin_update_transient_name'], $response, false ); | ||
| } | ||
|
|
||
| $decoded_response = json_decode( $response ); | ||
|
|
||
| if ( json_last_error() !== JSON_ERROR_NONE ) { | ||
| return false; | ||
| } | ||
|
|
||
| return $decoded_response; | ||
| } | ||
|
|
||
| /** | ||
| * Parses the product info response into an object that WordPress would be able to understand. | ||
| * | ||
| * @param object $response The response object. | ||
| * | ||
| * @return stdClass | ||
| */ | ||
| private function parse_plugin_info( $response ) { | ||
|
|
||
| global $wp_version; | ||
|
|
||
| $res = new stdClass(); | ||
| $res->name = $response->name; | ||
| $res->slug = $response->slug; | ||
| $res->version = $response->version; | ||
| $res->requires = $response->requires; | ||
| $res->download_link = $response->download_link; | ||
| $res->trunk = $response->download_link; | ||
| $res->new_version = $response->version; | ||
| $res->plugin = $this->properties['plugin_basename']; | ||
| $res->package = $response->download_link; | ||
|
|
||
| // Plugin information modal and core update table use a strict version comparison, which is weird. | ||
| // If we're genuinely not compatible with the point release, use our WP tested up to version. | ||
| // otherwise use exact same version as WP to avoid false positive. | ||
| $res->tested = 1 === version_compare( substr( $wp_version, 0, 3 ), $response->tested ) | ||
| ? $response->tested | ||
| : $wp_version; | ||
|
|
||
| $res->sections = array( | ||
| 'description' => $response->sections->description, | ||
| 'changelog' => $response->sections->changelog, | ||
| ); | ||
|
|
||
| return $res; | ||
| } | ||
| } |
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