feedwordpress / feedwordpressrpc.class.php

feedwordpressrpc.class.php in FeedWordPress trunk, at feedwordpressrpc.class.php

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1	<?php
2	################################################################################
3	## XML-RPC HOOKS: accept XML-RPC update pings from Contributors ################
4	################################################################################
5
6	class FeedWordPressRPC {
7	public function __construct () {
8	add_filter('xmlrpc_methods', array($this, 'xmlrpc_methods'));
9	}
10
11	function xmlrpc_methods ($args = array()) {
12	$args['weblogUpdates.ping'] = array($this, 'ping');
13	$args['feedwordpress.subscribe'] = array($this, 'subscribe');
14	$args['feedwordpress.deactivate'] = array($this, 'deactivate');
15	$args['feedwordpress.delete'] = array($this, 'delete');
16	$args['feedwordpress.nuke'] = array($this, 'nuke');
17	return $args;
18	}
19
20	function ping ($args) {
21	global $feedwordpress;
22
23	$delta = @$feedwordpress->update($args[1]);
24	if (is_null($delta)):
25	return array('flerror' => true, 'message' => "Sorry. I don't syndicate <$args[1]>.");
26	else:
27	$mesg = array(); // unused? (gwyneth 20230920)
28	return array('flerror' => false, 'message' => "Thanks for the ping.".fwp_update_set_results_message($delta));
29	endif;
30	}
31
32	function validate (&$args) {
33	global $wp_xmlrpc_server;
34
35	// First two params are username/password
36	$username = $wp_xmlrpc_server->escape(array_shift($args));
37	$password = $wp_xmlrpc_server->escape(array_shift($args));
38
39	$ret = array();
40	// $user is unused. Is it just a return value, or should it be stored somewhere? (gwyneth 20230920)
41	if ( ! $user = $wp_xmlrpc_server->login($username, $password) ) :
42	$ret = $wp_xmlrpc_server->error;
43	elseif ( !current_user_can('manage_links')) :
44	$ret = new IXR_Error(401, 'Sorry, you cannot change the subscription list.');
45	endif;
46	return $ret;
47	}
48
49	function subscribe ($args) {
50	$ret = $this->validate($args);
51	if (is_array($ret)) : // Success
52	// The remaining params are feed URLs
53	foreach ($args as $arg) :
54	$finder = new FeedFinder($arg, /verify=/ false, /fallbacks=/ 1);
55	$feeds = array_values(array_unique($finder->find()));
56
57	if (count($feeds) > 0) :
58	// $link_id is never used, possibly because it's just a discardable return value. However,
59	// it _can_ return a WP_Error, so it might make sense to check for it? (gwyneth 20230920)
60	$link_id = FeedWordPress::syndicate_link(
61	/title=/ feedwordpress_display_url($feeds[0]),
62	/homepage=/ $feeds[0],
63	/feed=/ $feeds[0]
64	);
65	// just to make sure! (gwyneth 20230920)
66	if ( is_wp_error( $link_id ) ) :
67	FeedWordPress::diagnostic(
68	'fwp-rpc/subscribe',
69	implode( '\|', $link_id->get_error_messages() )
70	);
71	endif;
72	$ret[] = array(
73	'added',
74	$feeds[0],
75	$arg,
76	);
77	else :
78	$ret[] = array(
79	'error',
80	$arg
81	);
82	endif;
83	endforeach;
84	endif;
85	return $ret;
86	} /* FeedWordPressRPC::subscribe () */
87
88	function unsubscribe ($method, $args) {
89	$ret = $this->validate($args);
90	if (is_array($ret)) : // Success
91	// The remaining params are feed URLs
92	foreach ($args as $arg) :
93	$link_id = FeedWordPress::find_link($arg);
94
95	if ( ! $link_id) :
96	$link_id = FeedWordPress::find_link($arg, 'link_url');
97	endif;
98
99	if ($link_id) :
100	$link = new SyndicatedLink($link_id);
101
102	$link->{$method}();
103	$ret[] = array(
104	'deactivated',
105	$arg,
106	);
107	else :
108	$ret[] = array(
109	'error',
110	$arg,
111	);
112	endif;
113	endforeach;
114	endif;
115	return $ret;
116	} /* FeedWordPress::unsubscribe () */
117
118	function deactivate ($args) {
119	return $this->unsubscribe('deactivate', $args);
120	} /* FeedWordPressRPC::deactivate () */
121
122	function delete ($args) {
123	return $this->unsubscribe('delete', $args);
124	} /* FeedWordPressRPC::delete () */
125
126	function nuke ($args) {
127	return $this->unsubscribe('nuke', $args);
128	} /* FeedWordPressRPC::nuke () */
129	} /* class FeedWordPressRPC */
130
131