86 righe
No EOL
2,7 KiB
PHP
86 righe
No EOL
2,7 KiB
PHP
<?php
|
|
|
|
// a PHP client library for pubsubhubbub
|
|
// as defined at http://code.google.com/p/pubsubhubbub/
|
|
// written by Josh Fraser | joshfraser.com | josh@eventvue.com
|
|
// Released under Apache License 2.0
|
|
|
|
class Publisher {
|
|
|
|
protected $hub_url;
|
|
protected $last_response;
|
|
|
|
// create a new Publisher
|
|
public function __construct($hub_url) {
|
|
|
|
if (!isset($hub_url))
|
|
throw new Exception('Please specify a hub url');
|
|
|
|
if (!preg_match("|^https?://|i",$hub_url))
|
|
throw new Exception('The specified hub url does not appear to be valid: '.$hub_url);
|
|
|
|
$this->hub_url = $hub_url;
|
|
}
|
|
|
|
// accepts either a single url or an array of urls
|
|
public function publish_update($topic_urls, $http_function = false) {
|
|
if (!isset($topic_urls))
|
|
throw new Exception('Please specify a topic url');
|
|
|
|
// check that we're working with an array
|
|
if (!is_array($topic_urls)) {
|
|
$topic_urls = array($topic_urls);
|
|
}
|
|
|
|
// set the mode to publish
|
|
$post_string = "hub.mode=publish";
|
|
// loop through each topic url
|
|
foreach ($topic_urls as $topic_url) {
|
|
|
|
// lightweight check that we're actually working w/ a valid url
|
|
if (!preg_match("|^https?://|i",$topic_url))
|
|
throw new Exception('The specified topic url does not appear to be valid: '.$topic_url);
|
|
|
|
// append the topic url parameters
|
|
$post_string .= "&hub.url=".urlencode($topic_url);
|
|
}
|
|
|
|
// make the http post request and return true/false
|
|
// easy to over-write to use your own http function
|
|
if ($http_function)
|
|
return $http_function($this->hub_url,$post_string);
|
|
else
|
|
return $this->http_post($this->hub_url,$post_string);
|
|
}
|
|
|
|
// returns any error message from the latest request
|
|
public function last_response() {
|
|
return $this->last_response;
|
|
}
|
|
|
|
// default http function that uses curl to post to the hub endpoint
|
|
private function http_post($url, $post_string) {
|
|
|
|
// add any additional curl options here
|
|
$options = array(CURLOPT_URL => $url,
|
|
CURLOPT_POST => true,
|
|
CURLOPT_POSTFIELDS => $post_string,
|
|
CURLOPT_USERAGENT => "PubSubHubbub-Publisher-PHP/1.0");
|
|
|
|
$ch = curl_init();
|
|
curl_setopt_array($ch, $options);
|
|
|
|
$response = curl_exec($ch);
|
|
$this->last_response = $response;
|
|
$info = curl_getinfo($ch);
|
|
|
|
curl_close($ch);
|
|
|
|
// all good
|
|
if ($info['http_code'] == 204)
|
|
return true;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
?>
|