<?php /** * Feed API: WP_SimplePie_File class * * @package WordPress * @subpackage Feed * @since 4.7.0 */ /** * Core class for fetching remote files and reading local files with SimplePie. * * This uses Core's HTTP API to make requests, which gives plugins the ability * to hook into the process. * * @since 2.8.0 */ #[AllowDynamicProperties] class WP_SimplePie_File extends SimplePie\File { /** * Timeout. * * @var int How long the connection should stay open in seconds. */ public $timeout = 10; /** * Constructor. * * @since 2.8.0 * @since 3.2.0 Updated to use a PHP5 constructor. * @since 5.6.1 Multiple headers are concatenated into a comma-separated string, * rather than remaining an array. * * @param string $url Remote file URL. * @param int $timeout Optional. How long the connection should stay open in seconds. * Default 10. * @param int $redirects Optional. The number of allowed redirects. Default 5. * @param string|array $headers Optional. Array or string of headers to send with the request. * Default null. * @param string $useragent Optional. User-agent value sent. Default null. * @param bool $force_fsockopen Optional. Whether to force opening internet or unix domain socket * connection or not. Default false. */ public function __construct( $url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false ) { $this->url = $url; $this->timeout = $timeout; $this->redirects = $redirects; $this->headers = $headers; $this->useragent = $useragent; $this->method = SimplePie\SimplePie::FILE_SOURCE_REMOTE; if ( preg_match( '/^http(s)?:\/\//i', $url ) ) { $args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects, ); if ( ! empty( $this->headers ) ) { $args['headers'] = $this->headers; } if ( SimplePie\Misc::get_default_useragent() !== $this->useragent ) { // Use default WP user agent unless custom has been specified. $args['user-agent'] = $this->useragent; } $res = wp_safe_remote_request( $url, $args ); if ( is_wp_error( $res ) ) { $this->error = 'WP HTTP Error: ' . $res->get_error_message(); $this->success = false; } else { $this->headers = wp_remote_retrieve_headers( $res ); if ( $this->headers instanceof \WpOrg\Requests\Utility\CaseInsensitiveDictionary ) { $this->headers = $this->headers->getAll(); } /* * SimplePie expects multiple headers to be stored as a comma-separated string, * but `wp_remote_retrieve_headers()` returns them as an array, so they need * to be converted. * * The only exception to that is the `content-type` header, which should ignore * any previous values and only use the last one. * * @see SimplePie\HTTP\Parser::new_line(). */ foreach ( $this->headers as $name => $value ) { if ( ! is_array( $value ) ) { continue; } if ( 'content-type' === $name ) { $this->headers[ $name ] = array_pop( $value ); } else { $this->headers[ $name ] = implode( ', ', $value ); } } $this->body = wp_remote_retrieve_body( $res ); $this->status_code = wp_remote_retrieve_response_code( $res ); } } else { $this->error = ''; $this->success = false; } } }