update

wp-content/plugins/xml-sitemap-generator-for-google/includes/IndexNow.php

@@ -0,0 +1,144 @@
+<?php
+
+namespace GRIM_SG;
+
+use GRIM_SG\Vendor\Controller;
+
+class IndexNow extends Controller {
+	private $site_url;
+	private $api_key;
+	private static $api_name = 'sgg_indexnow_api_key';
+
+	public function __construct() {
+		$this->set_site_url();
+		$this->set_api_key();
+	}
+
+	public function ping_site_url() {
+		return $this->ping_url( $this->site_url );
+	}
+
+	public function ping_url( $url ) {
+		$response = $this->request( $url );
+
+		return $this->handle_response( $response );
+	}
+
+	public function request( $index_url ) {
+		$data = wp_json_encode(
+			array(
+				'host'        => $this->remove_url_scheme( $this->site_url ),
+				'key'         => $this->api_key,
+				'keyLocation' => $this->get_api_key_location(),
+				'urlList'     => array( $index_url ),
+			)
+		);
+
+		return wp_remote_post(
+			'https://api.indexnow.org/indexnow/',
+			array(
+				'body'    => $data,
+				'headers' => array(
+					'Content-Type' => 'application/json',
+				),
+			)
+		);
+	}
+
+	private function handle_response( $response ) {
+		$error = array(
+			'status'  => 'error',
+			'message' => __( 'IndexNow Protocol unknown error occurred', 'google-sitemap-generator' ),
+		);
+
+		if ( is_wp_error( $response ) ) {
+			return array(
+				'status'  => 'error',
+				'message' => $response->get_error_message(),
+			);
+		}
+
+		if ( isset( $response['errors'] ) ) {
+			return $error;
+		}
+
+		if ( ! empty( $response['response']['code'] ) ) {
+			if ( in_array( $response['response']['code'], array( 200, 202 ), true ) ) {
+				return array(
+					'status'  => 'success',
+					'message' => __( 'Changes successfully submitted to IndexNow', 'google-sitemap-generator' ),
+				);
+			} else {
+				if ( 400 === $response['response']['code'] ) {
+					$error['message'] = __( 'IndexNow Protocol Invalid Request', 'google-sitemap-generator' );
+				} elseif ( 403 === $response['response']['code'] ) {
+					$error['message'] = __( 'IndexNow Protocol Invalid Api Key', 'google-sitemap-generator' );
+				} elseif ( 422 === $response['response']['code'] ) {
+					$error['message'] = __( 'IndexNow Protocol Invalid URL', 'google-sitemap-generator' );
+				} elseif ( ! empty( $response['response']['message'] ) ) {
+					$error['message'] = sprintf(
+						/* translators: %s: error message */
+						__( 'IndexNow Protocol Error: %s', 'google-sitemap-generator' ),
+						$response['response']['message']
+					);
+				}
+			}
+		}
+
+		return $error;
+	}
+
+	public function get_api_key() {
+		if ( ! empty( $this->api_key ) ) {
+			return $this->api_key;
+		}
+
+		$api_key = is_multisite() ? get_site_option( self::$api_name ) : get_option( self::$api_name );
+
+		if ( $api_key ) {
+			// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
+			return base64_decode( $api_key );
+		}
+
+		return apply_filters( 'sgg_indexnow_api_key', $api_key );
+	}
+
+	public function set_api_key() {
+		$api_key = $this->get_api_key();
+
+		if ( empty( $api_key ) ) {
+			$api_key = preg_replace( '[-]', '', wp_generate_uuid4() );
+
+			// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
+			$base64_api_key = base64_encode( $api_key );
+
+			if ( is_multisite() ) {
+				update_site_option( self::$api_name, $base64_api_key );
+			} else {
+				update_option( self::$api_name, $base64_api_key );
+			}
+		}
+
+		$this->api_key = $api_key;
+	}
+
+	public static function delete_api_key() {
+		if ( is_multisite() ) {
+			delete_site_option( self::$api_name );
+		} else {
+			delete_option( self::$api_name );
+		}
+	}
+
+	public function set_site_url() {
+		$this->site_url = get_home_url();
+	}
+
+	public function get_api_key_location() {
+		return trailingslashit( $this->site_url ) . $this->api_key . '.txt';
+	}
+
+	public function remove_url_scheme( $url ) {
+		return preg_replace( '/^https?:\/\//', '', $url );
+	}
+}