← All changes | feedfinder.class.php +31 -93 trunk → 2011.0706 View file →

		@@ -4,23 +4,17 @@
4	4	* @version 2010.0622
5	5	* @uses SimplePie_Misc
6	6	*/
7	7
8		-if ( ! class_exists( 'SimplePie' ) ) :
9		- require_once ABSPATH . WPINC . '/class-simplepie.php';
	8	+if (!class_exists('SimplePie')) :
	9	+ require_once(ABSPATH . WPINC . '/class-simplepie.php');
10	10	endif;
11		-require_once dirname( __FILE__ ) . '/feedwordpresshtml.class.php';
	11	+require_once(dirname(__FILE__).'/feedwordpresshtml.class.php');
12	12
13		-/**
14		- * FeedFinder attempts to get all possible RSS/Atom feeds from a site.
15		- *
16		- * @see SimplePie_Misc
17		- */
18	13	class FeedFinder {
19	14	var $uri = NULL;
20		- var $credentials = NULL;
21	15	var $_cache_uri = NULL;
22		-
	16	+
23	17	var $verify = FALSE;
24	18	var $fallbacks = 3;
25	19
26	20	var $_response = NULL;
		@@ -33,9 +27,9 @@
33	27	'application/rss+xml',
34	28	'text/xml',
35	29	'application/atom+xml',
36	30	'application/x.atom+xml',
37		- 'application/x-atom+xml',
	31	+ 'application/x-atom+xml'
38	32	);
39	33	var $_feed_markers = array('\\<feed', '\\<rss', 'xmlns="http://purl.org/rss/1.0');
40	34	var $_html_markers = array('\\<html');
41	35	var $_opml_markers = array('\\<opml', '\\<outline');
		@@ -41,59 +35,16 @@
41	35	var $_opml_markers = array('\\<opml', '\\<outline');
42	36	var $_obvious_feed_url = array('[./]rss', '[./]rdf', '[./]atom', '[./]feed', '\.xml');
43	37	var $_maybe_feed_url = array ('rss', 'rdf', 'atom', 'feed', 'xml');
44	38
45		- function __construct( $uri = NULL, $params = array(), $fallbacks = 3 ) {
46		- if (is_bool($params)) :
47		- $params = array("verify" => $params);
48		- endif;
49		-
50		- $params = wp_parse_args($params, array(
51		- "verify" => true,
52		- "authentication" => NULL,
53		- "username" => NULL,
54		- "password" => NULL,
55		- ));
56		- $verify = $params['verify'];
57		- $this->credentials = array(
58		- "authentication" => $params['authentication'],
59		- "username" => $params['username'],
60		- "password" => $params['password'],
61		- );
62		-
	39	+ function FeedFinder ($uri = NULL, $verify = TRUE, $fallbacks = 3) {
63	40	$this->uri = $uri; $this->verify = $verify;
64	41	$this->fallbacks = $fallbacks;
65	42	} /* FeedFinder::FeedFinder () */
66	43
67		- function FeedFinder( $uri = NULL, $params = array(), $fallbacks = 3 ) {
68		- self::__construct( $uri, $params, $fallbacks );
69		- }
70		-
71		- function find ($uri = NULL, $params = array()) {
72		- $params = wp_parse_args($params, array( // Defaults
73		- "authentication" => -1,
74		- "username" => NULL,
75		- "password" => NULL,
76		- ));
77		-
78		- // Equivalents
79		- if ($params['authentication']=='-') :
80		- $params['authentication'] = NULL;
81		- $params['username'] = NULL;
82		- $params['password'] = NULL;
83		- endif;
84		-
85		- // Set/reset
86		- if ($params['authentication'] != -1) :
87		- $this->credentials = array(
88		- "authentication" => $params['authentication'],
89		- "username" => $params['username'],
90		- "password" => $params['password'],
91		- );
92		- endif;
93		-
	44	+ function find ($uri = NULL) {
94	45	$ret = array ();
95		- if ( !is_null($this->data($uri))) :
	46	+ if (!is_null($this->data($uri))) :
96	47	if ($this->is_opml($uri)) :
97	48	$href = $this->_opml_rss_uris();
98	49	else :
99	50	if ($this->is_feed($uri)) :
		@@ -98,17 +49,17 @@
98	49	else :
99	50	if ($this->is_feed($uri)) :
100	51	$href = array($this->uri);
101	52	else :
102		- // Assume that we have HTML or XHTML (even if we don't, who's
103		- // it gonna hurt?) Autodiscovery is the preferred method.
	53	+ // Assume that we have HTML or XHTML (even if we don't, who's it gonna hurt?)
	54	+ // Autodiscovery is the preferred method
104	55	$href = $this->_link_rel_feeds();
105		-
	56	+
106	57	// ... but we'll also take the little orange buttons
107	58	if ($this->fallbacks > 0) :
108	59	$href = array_merge($href, $this->_a_href_feeds(TRUE));
109	60	endif;
110		-
	61	+
111	62	// If all that failed, look harder
112	63	if ($this->fallbacks > 1) :
113	64	if (count($href) == 0) :
114	65	$href = $this->_a_href_feeds(FALSE);
		@@ -113,11 +64,11 @@
113	64	if (count($href) == 0) :
114	65	$href = $this->_a_href_feeds(FALSE);
115	66	endif;
116	67	endif;
117		-
118		- // Our search may turn up duplicate URIs. We only need to do
119		- // any given URI once. Props to Camilo <http://projects.radgeek.com/2008/12/14/feedwordpress-20081214/#comment-20090122160414>
	68	+
	69	+ // Our search may turn up duplicate URIs. We only need to do any given URI once.
	70	+ // Props to Camilo <http://projects.radgeek.com/2008/12/14/feedwordpress-20081214/#comment-20090122160414>
120	71	$href = array_unique($href);
121	72	endif;
122	73
123	74	// Try some clever URL little tricks before we go
		@@ -124,9 +75,9 @@
124	75	if ($this->fallbacks > 2) :
125	76	$href = array_merge($href, $this->_url_manipulation_feeds());
126	77	endif;
127	78	endif;
128		-
	79	+
129	80	$href = array_unique($href);
130	81
131	82	// Verify feeds and resolve relative URIs
132	83	foreach ($href as $u) :
		@@ -131,9 +82,9 @@
131	82	// Verify feeds and resolve relative URIs
132	83	foreach ($href as $u) :
133	84	$the_uri = SimplePie_Misc::absolutize_url($u, $this->uri);
134	85	if ($this->verify and ($u != $this->uri and $the_uri != $this->uri)) :
135		- $feed = new FeedFinder($the_uri, $this->credentials);
	86	+ $feed = new FeedFinder($the_uri);
136	87	if ($feed->is_feed()) : $ret[] = $the_uri; endif;
137	88	unset($feed);
138	89	else :
139	90	$ret[] = $the_uri;
		@@ -139,15 +90,9 @@
139	90	$ret[] = $the_uri;
140	91	endif;
141	92	endforeach;
142	93	endif;
143		-
144		- if ($this->is_401($uri)) :
145		- $ret = array_merge(array(
146		- new WP_Error('http_request_failed', '401 Not authorized', array("uri" => $this->uri, "status" => 401)),
147		- ), $ret);
148		- endif;
149		-
	94	+
150	95	return array_values($ret);
151	96	} /* FeedFinder::find () */
152	97
153	98	function data ($uri = NULL) {
		@@ -158,13 +103,13 @@
158	103	function upload_data ($data) {
159	104	$this->uri = 'tag:localhost';
160	105	$this->_data = $data;
161	106	} /* FeedFinder::upload_data () */
162		-
	107	+
163	108	function status ($uri = NULL) {
164	109	$this->_get($uri);
165		-
166		- if ( !is_wp_error($this->_response) and isset($this->_response['response']['code'])) :
	110	+
	111	+ if (!is_wp_error($this->_response) and isset($this->_response['response']['code'])) :
167	112	$ret = $this->_response['response']['code'];
168	113	else :
169	114	$ret = NULL;
170	115	endif;
		@@ -181,13 +126,9 @@
181	126	endif;
182	127	endif;
183	128	return $message;
184	129	}
185		-
186		- function is_401 ($uri = NULL) {
187		- return (intval($this->status($uri))==401);
188		- } /* FeedFinder::is_401 () */
189		-
	130	+
190	131	function is_feed ($uri = NULL) {
191	132	$data = $this->data($uri);
192	133
193	134	return (
		@@ -221,14 +162,11 @@
221	162	$headers['Accept'] = 'application/atom+xml application/rdf+xml application/rss+xml application/xml text/html */*';
222	163	$headers['User-Agent'] = 'feedfinder/1.2 (compatible; PHP FeedFinder) +http://projects.radgeek.com/feedwordpress';
223	164
224	165	// Use WordPress API function
225		- $client = wp_remote_request($this->uri, array_merge(
226		- $this->credentials,
227		- array(
	166	+ $client = wp_remote_request($this->uri, array(
228	167	'headers' => $headers,
229	168	'timeout' => FeedWordPress::fetch_timeout(),
230		- )
231	169	));
232	170
233	171	$this->_response = $client;
234	172	if (is_wp_error($client)) :
		@@ -247,9 +185,9 @@
247	185	function _opml_rss_uris () {
248	186	// Really we should parse the XML and use the structure to
249	187	// return something intelligent to programs that want to use it
250	188	// Oh babe! maybe some day...
251		-
	189	+
252	190	$opml = $this->data();
253	191
254	192	$rx = FeedWordPressHTML::attributeRegex('outline', 'xmlUrl');
255	193	if (preg_match_all($rx, $opml, $matches, PREG_SET_ORDER)) :
		@@ -303,9 +241,9 @@
303	241	$newQuery = preg_replace('/([?&=])(rss2?|atom|rdf)/i', '$1'.$format, $bits['query']);
304	242	else :
305	243	$newQuery = NULL;
306	244	endif;
307		-
	245	+
308	246	if (isset($bits['path']) and (strlen($bits['path']) > 0)) :
309	247	$newPath = preg_replace('!([/.])(rss2?|atom|rdf)!i', '$1'.$format, $bits['path']);
310	248	else :
311	249	$newPath = NULL;
		@@ -319,21 +257,21 @@
319	257	$credentials .= ':'.$bits['pass'];
320	258	endif;
321	259	$credentials .= '@';
322	260	endif;
323		-
	261	+
324	262	// Variations on a theme
325	263	$newUrl[0] = (''
326	264	.(isset($bits['scheme']) ? $bits['scheme'].':' : '')
327	265	.(isset($bits['host']) ? '//'.$credentials.$bits['host'] : '')
328		- .( !is_null($newPath) ? $newPath : '')
329		- .( !is_null($newQuery) ? '?'.$newQuery : '')
	266	+ .(!is_null($newPath) ? $newPath : '')
	267	+ .(!is_null($newQuery) ? '?'.$newQuery : '')
330	268	.(isset($bits['fragment']) ? '#'.$bits['fragment'] : '')
331	269	);
332	270	$newUrl[1] = (''
333	271	.(isset($bits['scheme']) ? $bits['scheme'].':' : '')
334	272	.(isset($bits['host']) ? '//'.$credentials.$bits['host'] : '')
335		- .( !is_null($newPath) ? $newPath : '')
	273	+ .(!is_null($newPath) ? $newPath : '')
336	274	.(isset($bits['query']) ? '?'.$bits['query'] : '')
337	275	.(isset($bits['fragment']) ? '#'.$bits['fragment'] : '')
338	276	);
339	277	$newUrl[2] = (''
		@@ -339,9 +277,9 @@
339	277	$newUrl[2] = (''
340	278	.(isset($bits['scheme']) ? $bits['scheme'].':' : '')
341	279	.(isset($bits['host']) ? '//'.$credentials.$bits['host'] : '')
342	280	.(isset($bits['path']) ? $bits['path'] : '')
343		- .( !is_null($newQuery) ? '?'.$newQuery : '')
	281	+ .(!is_null($newQuery) ? '?'.$newQuery : '')
344	282	.(isset($bits['fragment']) ? '#'.$bits['fragment'] : '')
345	283	);
346	284	$href = array_merge($href, $newUrl);
347	285	endforeach;
		@@ -349,9 +287,9 @@
349	287	} /* FeedFinder::_url_manipulation_feeds () */
350	288
351	289	function _tags ($tag) {
352	290	$html = $this->data();
353		-
	291	+
354	292	// search through the HTML, save all <link> tags
355	293	// and store each link's attributes in an associative array
356	294	preg_match_all('/<'.$tag.'\s+(.*?)\s*\/?>/si', $html, $matches);
357	295	$links = $matches[1];