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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 $license) |
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{ |
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$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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{ |
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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, $url) |
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{ |
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// only act on download request's to the Boxzilla update API |
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if (strpos($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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{ |
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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 = '', $args = null) |
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{ |
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// do nothing for unrelated requests |
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if ($action !== 'plugin_information' || ! isset($args->slug)) { |
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return $result; |
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} |
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|
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// only act on our own plugins |
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$plugin = $this->get_plugin_by_slug($args->slug); |
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if ($plugin === null) { |
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return $result; |
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} |
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|
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return $this->get_update_info($plugin); |
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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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|
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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 $updates; |
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} |
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|
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/** |
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* Fetch array of available updates from remote server |
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* |
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* @return array |
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*/ |
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protected function fetch_updates() |
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{ |
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if (is_array($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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{ |
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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 $remote_plugin) { |
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|
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// only act on update info of our own plugins |
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if (! isset($this->extensions[ $remote_plugin->sid ])) { |
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continue; |
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} |
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|
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// sanity check |
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if (! isset($remote_plugin->new_version)) { |
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continue; |
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} |
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|
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// find corresponding local plugin |
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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, $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 $plugin) |
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{ |
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$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, $response) |
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{ |
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$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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} |
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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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$response->contributors = array_map(function ($v) { |
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return get_object_vars($v); |
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}, $response->contributors); |
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|
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return $response; |
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} |
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} |
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|
