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