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<?php |
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|
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namespace Boxzilla\Licensing; |
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|
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use Boxzilla\Plugin; |
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|
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class UpdateManager { |
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|
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|
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/** |
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* @var array |
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*/ |
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protected $extensions = array(); |
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|
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/** |
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* @var API |
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*/ |
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protected $api; |
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|
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/** |
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* @var License |
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*/ |
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protected $license; |
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|
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/** |
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* @var |
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*/ |
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protected $available_updates; |
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|
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/** |
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* @param array $extensions |
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* @param API $api |
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* @param License $license |
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*/ |
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public function __construct( array $extensions, API $api, License $license ) { |
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$this->extensions = $extensions; |
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$this->license = $license; |
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$this->api = $api; |
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} |
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|
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/** |
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* Add hooks |
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*/ |
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public function init() { |
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add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'add_updates' ) ); |
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add_filter( 'plugins_api', array( $this, 'get_plugin_info' ), 20, 3 ); |
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add_filter( 'http_request_args', array( $this, 'add_auth_headers' ), 10, 2 ); |
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} |
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|
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/** |
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* This adds the license key header to download package requests. |
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* |
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* @param array $args |
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* @param string $url |
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* |
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* @return mixed |
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*/ |
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public function add_auth_headers( $args, $url ) { |
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// only act on download request's to the Boxzilla update API |
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if ( strpos( $url, $this->api->url ) !== 0 || strpos( $url, '/download' ) === false ) { |
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return $args; |
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} |
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|
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// only add if activation key not empty |
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if ( empty( $this->license->activation_key ) ) { |
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return $args; |
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} |
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|
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if ( ! isset( $args['headers'] ) ) { |
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$args['headers'] = array(); |
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} |
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|
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$args['headers']['Authorization'] = sprintf( 'Bearer %s', $this->license->activation_key ); |
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return $args; |
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} |
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|
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private function get_plugin_by_slug( $slug ) { |
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foreach ( $this->extensions as $p ) { |
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// find plugin by slug |
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if ( dirname( $p->slug() ) === $slug ) { |
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return $p; |
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} |
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} |
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|
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return null; |
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} |
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|
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/** |
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* @param $result |
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* @param string $action |
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* @param null $args |
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* |
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* @return object |
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*/ |
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public function get_plugin_info( $result, $action = '', $args = null ) { |
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// do nothing for unrelated requests |
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if ( $action !== 'plugin_information' || ! isset( $args->slug ) ) { |
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return $result; |
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} |
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|
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// only act on our plugins |
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if ( strpos( $args->slug, 'boxzilla-' ) !== 0 ) { |
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return $result; |
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} |
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|
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return $this->get_update_info( $args->slug ); |
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} |
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|
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/** |
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* @param object $updates |
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* @return object |
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*/ |
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public function add_updates( $updates ) { |
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|
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// do nothing if no plugins registered |
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if ( empty( $this->extensions ) ) { |
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return $updates; |
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} |
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|
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// failsafe WP bug |
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if ( empty( $updates ) || ! isset( $updates->response ) || ! is_array( $updates->response ) ) { |
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return $updates; |
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} |
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|
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// fetch available updates |
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$available_updates = $this->fetch_updates(); |
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|
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// merge with other updates |
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$updates->response = array_merge( $updates->response, $available_updates ); |
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|
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return $updates; |
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} |
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|
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/** |
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* Fetch array of available updates from remote server |
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* |
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* @return array |
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*/ |
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protected function fetch_updates() { |
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if ( is_array( $this->available_updates ) ) { |
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return $this->available_updates; |
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} |
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|
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// don't try if we failed a request recently. |
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$failed_at = get_transient( 'boxzilla_request_failed' ); |
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if ( ! empty( $failed_at ) && ( ( strtotime( 'now' ) - 300 ) < $failed_at ) ) { |
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return array(); |
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} |
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|
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// fetch remote info |
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try { |
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$remote_plugins = $this->api->get_plugins(); |
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} catch ( API_Exception $e ) { |
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// set flag for 5 minutes |
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set_transient( 'boxzilla_request_failed', strtotime( 'now' ), 300 ); |
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return array(); |
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} |
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|
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// filter remote plugins, we only want the ones with an update available |
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$this->available_updates = $this->filter_remote_plugins( $remote_plugins ); |
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|
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return $this->available_updates; |
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} |
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|
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/** |
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* @param $remote_plugins |
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* @return array |
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*/ |
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protected function filter_remote_plugins( $remote_plugins ) { |
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$available_updates = array(); |
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|
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// find new versions |
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foreach ( $remote_plugins as $remote_plugin ) { |
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|
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// sanity check |
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if ( ! isset( $remote_plugin->new_version ) ) { |
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continue; |
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} |
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|
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// if plugin is activated, we can access it here |
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if ( isset( $this->extensions[ $remote_plugin->sid ] ) ) { |
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|
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/** @var Plugin $local_plugin */ |
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$local_plugin = $this->extensions[ $remote_plugin->sid ]; |
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|
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// plugin found and local plugin version not same as remote version? |
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if ( ! $local_plugin || version_compare( $local_plugin->version(), $remote_plugin->new_version, '>=' ) ) { |
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continue; |
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} |
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|
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// add some dynamic data |
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$available_updates[ $local_plugin->slug() ] = $this->format_response( $local_plugin->slug(), $remote_plugin ); |
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} else { |
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// if plugin is not active, use get_plugin_data for fetching version |
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$plugin_file = WP_PLUGIN_DIR . "/{$remote_plugin->slug}/{$remote_plugin->slug}.php"; |
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if ( ! file_exists( $plugin_file ) ) { |
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continue; |
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} |
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|
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$plugin_data = get_plugin_data( $plugin_file ); |
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|
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if ( ! $plugin_data || version_compare( $plugin_data['Version'], $remote_plugin->new_version, '>=' ) ) { |
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continue; |
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} |
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|
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// add some dynamic data |
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$slug = plugin_basename( $plugin_file ); |
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$available_updates[ $slug ] = $this->format_response( $slug, $remote_plugin ); |
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} |
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} |
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|
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return $available_updates; |
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} |
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|
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/** |
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* @param string $slug |
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* |
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* @return null |
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*/ |
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public function get_update_info( $slug ) { |
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$available_updates = $this->fetch_updates(); |
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|
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foreach ( $available_updates as $plugin_file => $update_info ) { |
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if ( $slug === $update_info->slug ) { |
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return $update_info; |
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} |
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} |
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|
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return null; |
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} |
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|
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/** |
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* @param $slug |
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* @param $response |
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* |
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* @return mixed |
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*/ |
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protected function format_response( $slug, $response ) { |
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$response->slug = dirname( $slug ); |
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$response->plugin = $slug; |
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|
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// add some notices if license is inactive |
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if ( ! $this->license->activated ) { |
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$response->upgrade_notice = sprintf( 'You will need to <a href="%s">activate your license</a> to install this plugin update.', admin_url( 'edit.php?post_type=boxzilla-box&page=boxzilla-settings' ) ); |
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$response->sections->changelog = '<p>' . sprintf( 'You will need to <a href="%s" target="_top">activate your license</a> to install this plugin update.', admin_url( 'edit.php?post_type=boxzilla-box&page=boxzilla-settings' ) ) . '</p>' . $response->sections->changelog; |
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$response->package = null; |
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} |
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|
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// cast subkey objects to array as that is what WP expects |
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$response->sections = get_object_vars( $response->sections ); |
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$response->banners = get_object_vars( $response->banners ); |
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$response->contributors = get_object_vars( $response->contributors ); |
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$response->contributors = array_map( |
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function ( $v ) { |
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return get_object_vars( $v ); |
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}, |
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$response->contributors |
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); |
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|
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return $response; |
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} |
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} |
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|
