feedwordpress / feedwordpress_file.class.php

feedwordpress_file.class.php in FeedWordPress 2013.0504, at feedwordpress_file.class.php

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1	<?php
2	global $fwp_credentials;
3
4	$fwp_credentials = NULL;
5
6	class FeedWordPress_File extends WP_SimplePie_File {
7	function FeedWordPress_File ($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
8	self::__construct($url, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
9	}
10
11	function __construct ($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
12	global $feedwordpress;
13	global $wp_version;
14
15	$source = NULL;
16	if ($feedwordpress->subscribed($url)) :
17	$source = $feedwordpress->subscription($url);
18	endif;
19
20	$this->url = $url;
21	$this->timeout = $timeout;
22	$this->redirects = $redirects;
23	$this->headers = $headers;
24	$this->useragent = $useragent;
25
26	$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
27
28	global $wpdb;
29	global $fwp_credentials;
30
31	if ( preg_match('/^http(s)?:\/\//i', $url) ) :
32	$args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects);
33
34	if ( !empty($this->headers) )
35	$args['headers'] = $this->headers;
36
37	// Use default FWP user agent unless custom has been specified
38	if ( SIMPLEPIE_USERAGENT != $this->useragent ) :
39	$args['user-agent'] = $this->useragent;
40	else :
41	$args['user-agent'] = apply_filters('feedwordpress_user_agent',
42	'FeedWordPress/'.FEEDWORDPRESS_VERSION
43	.' (aggregator:feedwordpress; WordPress/'.$wp_version
44	.' + '.SIMPLEPIE_NAME.'/'.SIMPLEPIE_VERSION
45	.'; Allow like Gecko; +http://feedwordpress.radgeek.com/) at '
46	. feedwordpress_display_url(get_bloginfo('url')),
47	$this
48	);
49	endif;
50
51	// This is ugly as hell, but communicating up and down the chain
52	// in any other way is difficult.
53
54	if (!is_null($fwp_credentials)) :
55
56	$args['authentication'] = $fwp_credentials['authentication'];
57	$args['username'] = $fwp_credentials['username'];
58	$args['password'] = $fwp_credentials['password'];
59
60	elseif ($source InstanceOf SyndicatedLink) :
61
62	$args['authentication'] = $source->authentication_method();
63	$args['username'] = $source->username();
64	$args['password'] = $source->password();
65
66	endif;
67
68	FeedWordPress::diagnostic('updated_feeds:http', "HTTP [$url] ⇜ ".esc_html(FeedWordPress::val($args)));
69	$res = wp_remote_request($url, $args);
70	FeedWordPress::diagnostic('updated_feeds:http', "HTTP [$url] ⇝ ".esc_html(FeedWordPress::val($res)));
71
72	if ( is_wp_error($res) ) {
73	$this->error = 'WP HTTP Error: ' . $res->get_error_message();
74	$this->success = false;
75	} else {
76	$this->headers = wp_remote_retrieve_headers( $res );
77	$this->body = wp_remote_retrieve_body( $res );
78	$this->status_code = wp_remote_retrieve_response_code( $res );
79	}
80
81	if ($source InstanceOf SyndicatedLink) :
82	$source->update_setting('link/filesize', strlen($this->body));
83	$source->update_setting('link/http status', $this->status_code);
84	$source->save_settings(/reload=/ true);
85	endif;
86
87	// Do not allow schemes other than http(s)? for the time being.
88	// They are unlikely to be used; and unrestricted use of schemes
89	// allows for user to use an unrestricted file:/// scheme, which
90	// may result in exploits by WordPress users against the web
91	// hosting environment.
92	else :
93	$this->error = 'FeedWordPress only allows http or https URLs';
94	$this->success = false;
95	endif;
96
97	// SimplePie makes a strongly typed check against integers with
98	// this, but WordPress puts a string in. Which causes caching
99	// to break and fall on its ass when SimplePie is getting a 304,
100	// but doesn't realize it because this member is "304" instead.
101	$this->status_code = (int) $this->status_code;
102	}
103	} /* class FeedWordPress_File () */
104
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