product_id = $product_id; // The plugin file name $this->plugin_name = $this->product_id . '/' . $this->product_id . '.php'; // set product name $this->product_name = $product_name; // BC if ( empty( $this->product_name ) ) { $this->product_name = $this->product_id; } // Set plugin version $this->version = $version; } /** * @return String */ public function get_product_id() { return $this->product_id; } /** * @param String $product_id */ public function set_product_id( $product_id ) { $this->product_id = $product_id; } /** * @return string */ public function get_product_name() { return $this->product_name; } /** * @param string $product_name */ public function set_product_name( $product_name ) { $this->product_name = $product_name; } /** * @return String */ public function get_plugin_name() { return $this->plugin_name; } /** * @param String $plugin_name */ public function set_plugin_name( $plugin_name ) { $this->plugin_name = $plugin_name; } /** * Get the license, license will be automatically loaded if not set yet. * * @return DLM_Product_License */ public function get_license() { if ( null === $this->license ) { $this->license = new DLM_Product_License( $this->product_id ); } return $this->license; } /** * Set the license * * @param DLM_Product_License $license */ public function set_license( $license ) { $this->license = $license; $this->license->store(); } /** * Attempt to activate a plugin licence * * @return String */ public function activate() { // Get License $license = $this->get_license(); try { // Check License key if ( '' === $license->get_key() ) { throw new Exception( 'Please enter your license key.' ); } // Check license email if ( '' === $license->get_email() ) { throw new Exception( 'Please enter the email address associated with your license.' ); } // Do activate request $request = wp_remote_get( self::STORE_URL . self::ENDPOINT_ACTIVATION . '&' . http_build_query( array( 'email' => $license->get_email(), 'licence_key' => $license->get_key(), 'api_product_id' => $this->product_id, 'request' => 'activate', 'instance' => site_url() ), '', '&' ) ); // Check request if ( is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) != 200 ) { throw new Exception( 'Connection failed to the License Key API server. Try again later.' ); } // Get activation result $activate_results = json_decode( wp_remote_retrieve_body( $request ), true ); // Check if response is correct if ( ! empty( $activate_results['activated'] ) ) { // Set local activation status to true $license->set_status( 'active' ); $this->set_license( $license ); // Return Message return array( 'result' => 'success', 'message' => __( 'License successfully activated.', 'download-monitor' ) ); } elseif ( $activate_results === false ) { throw new Exception( 'Connection failed to the License Key API server. Try again later.' ); } elseif ( isset( $activate_results['error_code'] ) ) { throw new Exception( $activate_results['error'] ); } } catch ( Exception $e ) { // Set local activation status to false $license->set_status( 'inactivate' ); $this->set_license( $license ); // Return error message return array( 'result' => 'failed', 'message' => $e->getMessage() ); } } /** * Attempt to deactivate a licence */ public function deactivate() { // Get License $license = $this->get_license(); try { // Check License key if ( '' === $license->get_key() ) { throw new Exception( "Can't deactivate license without a license key." ); } // The Request $request = wp_remote_get( self::STORE_URL . self::ENDPOINT_ACTIVATION . '&' . http_build_query( array( 'api_product_id' => $this->product_id, 'licence_key' => $license->get_key(), 'request' => 'deactivate', 'instance' => site_url(), ), '', '&' ) ); // Check request if ( is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) != 200 ) { throw new Exception( 'Connection failed to the License Key API server. Try again later.' ); } // Get result $result = json_decode( wp_remote_retrieve_body( $request ), true ); /** @todo check result * */ // Set new license status $license->set_status( 'inactive' ); $this->set_license( $license ); return array( 'result' => 'success' ); } catch ( Exception $e ) { // Return error message return array( 'result' => 'failed', 'message' => $e->getMessage() ); } } /** * Check for plugin updates * * @var $check_for_updates_data * * @return array */ public function check_for_updates( $check_for_updates_data ) { // Get license $license = $this->get_license(); // Check if checked is set if ( empty( $check_for_updates_data->checked ) ) { return $check_for_updates_data; } // Only check for data if license is activated if ( true !== $license->is_active() ) { return $check_for_updates_data; } // Get current version $current_ver = ( $this->version !== false ) ? $this->version : $check_for_updates_data->checked[ $this->plugin_name ]; // The request $request = wp_remote_get( self::STORE_URL . self::ENDPOINT_UPDATE . '&' . http_build_query( array( 'request' => 'pluginupdatecheck', 'plugin_name' => $this->plugin_name, 'version' => $current_ver, 'api_product_id' => $this->product_id, 'licence_key' => $license->get_key(), 'email' => $license->get_email(), 'instance' => site_url() ), '', '&' ) ); // Check if request is correct if ( is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) != 200 ) { return $check_for_updates_data; } // Check for a plugin update $response = maybe_unserialize( wp_remote_retrieve_body( $request ) ); // $response must be an object if ( ! is_object( $response ) ) { return $check_for_updates_data; } if ( isset( $response->errors ) ) { $this->handle_errors( $response->errors ); return $check_for_updates_data; } // Set version variables if ( is_object( $response ) && false !== $response && isset( $response->new_version ) ) { // Check if there's a new version if ( version_compare( $response->new_version, $current_ver, '>' ) ) { $check_for_updates_data->response[ $this->plugin_name ] = $response; } } return $check_for_updates_data; } /** * Plugins API * * @param bool $false * @param string $action * @param array $args * * @return mixed */ public function plugins_api( $false, $action, $args ) { // License $license = $this->get_license(); // Only take over plugin info screen if license is activated if ( true !== $license->is_active() ) { return $false; } // Check if this request if for this product if ( ! isset( $args->slug ) || ( $args->slug !== $this->product_id ) ) { return $false; } // Get the current version $plugin_info = get_site_transient( 'update_plugins' ); $current_ver = ( $this->version !== false ) ? $this->version : ( isset( $plugin_info->checked[ $this->plugin_name ] ) ? $plugin_info->checked[ $this->plugin_name ] : '' ); $request = wp_remote_get( self::STORE_URL . self::ENDPOINT_UPDATE . '&' . http_build_query( array( 'request' => 'plugininformation', 'plugin_name' => $this->plugin_name, 'version' => $current_ver, 'api_product_id' => $this->product_id, 'licence_key' => $license->get_key(), 'email' => $license->get_email(), 'instance' => site_url() ), '', '&' ) ); // Check if request is correct if ( is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) != 200 ) { return $false; } // Check for a plugin update $response = maybe_unserialize( wp_remote_retrieve_body( $request ) ); // $response must be an object if ( ! is_object( $response ) ) { return $false; } // Handle errors if ( isset( $response->errors ) ) { $this->handle_errors( $response->errors ); return $false; } // If everything is okay return the $response if ( isset( $response ) && is_object( $response ) && false !== $response ) { return $response; } } /** * Handle errors from the API * * @param array $errors */ public function handle_errors( $errors ) { // loop through errors foreach( $errors as $error_key => $error ) { // add error to WP DLM_Product_Manager::get()->error_handler()->add( $error ); // check if error is no activation if( 'no_activation' == $error_key ) { // remove local activation if there's no license on API side $this->get_license()->set_status( 'inactive' ); $this->get_license()->store(); } } } /** * Display notice after extension plugin row * * @param string $file * @param array $plugin_data */ public function after_plugin_row( $file, $plugin_data ) { // Don't show if license is activated if ( $this->get_license()->is_active() ) { return; } // Output row with message telling people to activate their license $id = sanitize_title( $plugin_data['Name'] ); echo ''; echo ''; echo '
'; printf( __( 'Register your copy of the %s extension to receive access to automatic upgrades and support. Need a license key? Purchase one now.', 'download-monitor' ), admin_url( 'edit.php?post_type=dlm_download&page=dlm-extensions#installed-extensions' ), $this->get_product_name(), $this->get_tracking_url( 'plugins_page' ) ); echo '
'; // Disable bottom border on parent row echo ''; } /** * Gets a Google Analytics Campaign URL for this product * * @param string $link_identifier * * @return string The full URL */ public function get_tracking_url( $link_identifier = '' ) { $tracking_vars = array( 'utm_campaign' => $this->get_product_name() . '_licensing', 'utm_medium' => 'link', 'utm_source' => $this->get_product_name(), 'utm_content' => $link_identifier ); // url encode tracking vars $tracking_vars = urlencode_deep( $tracking_vars ); $query_string = build_query( $tracking_vars ); return 'https://www.download-monitor.com/extensions/' . str_ireplace( 'dlm-', '', $this->get_product_id() ) . '?' . $query_string; } }