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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\Collection, |
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Boxzilla\Plugin, |
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Boxzilla\Admin\Notices; |
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|
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class UpdateManager { |
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|
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/** |
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* @var Collection |
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*/ |
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protected $extensions; |
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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 Collection $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( Collection $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 hook() { |
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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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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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if( empty( $args['headers'] ) ) { |
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$args['headers'] = array(); |
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} |
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|
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$args['headers']['Authorization'] = 'Bearer ' . urlencode( $this->license->key ); |
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return $args; |
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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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|
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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 $result; |
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} |
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|
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// only act on our plugins |
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$plugin = $this->extensions->find( function( $p ) use($args) { |
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return dirname( $p->slug() ) == $args->slug; |
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}); |
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|
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// was it a plugin of ours? |
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if( $plugin ) { |
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return $this->get_update_info( $plugin ); |
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} |
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|
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return $result; |
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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( count( $this->extensions ) === 0 ) { |
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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 ) |
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|| empty( $updates->response ) |
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|| ! 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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|
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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( $this->extensions ); |
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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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/** |
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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( $remote_plugins ) { |
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|
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$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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// find corresponding local plugin |
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/** @var Plugin $local_plugin */ |
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$local_plugin = $this->extensions->find( |
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function( $local_plugin ) use( $remote_plugin ){ |
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/** @var Plugin $local_plugin */ |
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return $local_plugin->id() == $remote_plugin->sid; |
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} |
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); |
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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(), $remote_plugin->version, '>=' ) ) { |
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continue; |
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} |
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|
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// add some dynamic data |
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$available_updates[ $local_plugin->slug() ] = $this->format_response( $local_plugin, $remote_plugin ); |
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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 Plugin $plugin |
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* |
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* @return null |
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*/ |
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public function get_update_info( Plugin $plugin ) { |
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$available_updates = $this->fetch_updates(); |
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|
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if( isset( $available_updates[ $plugin->slug() ] ) ) { |
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return $available_updates[ $plugin->slug() ]; |
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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 Plugin $plugin |
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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( Plugin $plugin, $response ) { |
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$response->new_version = $response->version; |
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$response->slug = dirname( $plugin->slug() ); |
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$response->plugin = $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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} else { |
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// add activation key to download URL |
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$response->package = add_query_arg( array( 'key' => $this->license->activation_key ), $response->package ); |
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} |
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|
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// cast subkey objects to array as that is what WP expects |
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$response->sections = get_object_vars( $response->sections ); |
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$response->banners = get_object_vars( $response->banners ); |
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|
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return $response; |
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} |
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|
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} |
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|
