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| <?php | |
| /** | |
| * AMP Validation Request Error Simulator | |
| * | |
| * @package AMP_Validation_Request_Error_Simulator | |
| * @author Weston Ruter, Google | |
| * @license GPL-2.0-or-later | |
| * @copyright 2019 Google Inc. | |
| * | |
| * @wordpress-plugin | |
| * Plugin Name: AMP Validation Request Error Simulator | |
| * Description: Simulate error scenarios for requesting AMP validation. | |
| * Plugin URI: https://gist.github.com/westonruter/d34f49b6288ed52604f7e9b6926810a9 | |
| * Version: 0.1.0 | |
| * Author: Weston Ruter, Google | |
| * Author URI: https://weston.ruter.net/ | |
| * License: GNU General Public License v2 (or later) | |
| * License URI: http://www.gnu.org/licenses/gpl-2.0.html | |
| * Gist Plugin URI: https://gist.github.com/westonruter/d34f49b6288ed52604f7e9b6926810a9 | |
| */ | |
| namespace AMP_Validation_Request_Error_Simulator; | |
| const QUERY_ARG = 'amp_simulate_validate_request_error'; | |
| add_filter( | |
| 'query_vars', | |
| function( $query_vars ) { | |
| $query_vars[] = QUERY_ARG; | |
| return $query_vars; | |
| } | |
| ); | |
| add_filter( | |
| 'pre_http_request', | |
| function( $pre, $request_args, $url ) { | |
| unset( $request_args ); | |
| if ( ! current_user_can( 'manage_options' ) ) { | |
| return $pre; | |
| } | |
| $query = trim( wp_parse_url( $url, PHP_URL_QUERY ), '?' ); | |
| if ( ! $query ) { | |
| return $pre; | |
| } | |
| $query_args = wp_parse_args( $query ); | |
| if ( ! isset( $query_args['amp_validate'], $query_args[ QUERY_ARG ] ) ) { | |
| return $pre; | |
| } | |
| switch ( $query_args[ QUERY_ARG ] ) { | |
| case 'bad_host': | |
| return new \WP_Error( | |
| 'http_request_failed', | |
| sprintf( 'cURL error 6: Could not resolve host: %s', wp_parse_url( home_url(), PHP_URL_HOST ) ) | |
| ); | |
| case 'timeout': | |
| return new \WP_Error( | |
| 'http_request_failed', | |
| 'cURL error 28: Operation timed out after 15001 milliseconds with 0 bytes received' | |
| ); | |
| case 'wsod': | |
| return [ | |
| 'headers' => [], | |
| 'body' => '', | |
| 'response' => [ | |
| 'code' => 500, | |
| 'message' => 'Internal Server Error', | |
| ], | |
| 'http_response' => null, | |
| ]; | |
| case 'response_comment_absent': | |
| return [ | |
| 'headers' => [], | |
| 'body' => '<html></html>', | |
| 'response' => [ | |
| 'code' => 200, | |
| 'message' => 'OK', | |
| ], | |
| 'http_response' => null, | |
| ]; | |
| default: | |
| return $pre; | |
| } | |
| }, | |
| 10, | |
| 3 | |
| ); |
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Installation instructions: https://gist.github.com/westonruter/6110fbc4bef0c4b8c021a112012f7e9c