You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
3.2 KiB
PHTML
126 lines
3.2 KiB
PHTML
8 years ago
|
<?php
|
||
|
|
/**
|
||
|
|
* a PHP client library for pubsubhubbub.
|
||
|
|
*
|
||
|
|
* @link https://github.com/pubsubhubbub/
|
||
|
|
*
|
||
|
|
* @author Josh Fraser | joshfraser.com | josh@eventvue.com
|
||
|
|
* @license Apache License 2.0
|
||
|
|
*/
|
||
|
|
namespace pubsubhubbub\publisher;
|
||
|
|
|
||
|
|
use InvalidArgumentException;
|
||
|
|
|
||
|
|
class Publisher
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
protected $hub_url;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
protected $last_response;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new Publisher.
|
||
|
|
*
|
||
|
|
* @param string $hub_url
|
||
|
|
*/
|
||
|
|
public function __construct($hub_url)
|
||
|
|
{
|
||
|
|
if (! isset($hub_url)) {
|
||
|
|
throw new InvalidArgumentException('Please specify a hub url');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! preg_match('|^https?://|i', $hub_url)) {
|
||
|
|
throw new InvalidArgumentException('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.
|
||
|
|
*
|
||
|
|
* @param string|array $topic_urls
|
||
|
|
* @param callable $http_function
|
||
|
|
*
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function publish_update($topic_urls, $http_function = false)
|
||
|
|
{
|
||
|
|
if (! isset($topic_urls)) {
|
||
|
|
throw new InvalidArgumentException('Please specify a topic url');
|
||
|
|
}
|
||
|
|
|
||
|
|
// check that we're working with an array
|
||
|
|
if (! is_array($topic_urls)) {
|
||
|
|
$topic_urls = [$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 InvalidArgumentException('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);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->http_post($this->hub_url, $post_string);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns any error message from the latest request.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function last_response()
|
||
|
|
{
|
||
|
|
return $this->last_response;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Default http function that uses curl to post to the hub endpoint.
|
||
|
|
*
|
||
|
|
* @param string $url
|
||
|
|
* @param string $post_string
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
private function http_post($url, $post_string)
|
||
|
|
{
|
||
|
|
// add any additional curl options here
|
||
|
|
$options = [
|
||
|
|
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);
|
||
|
|
|
||
|
|
return $info['http_code'] == 204;
|
||
|
|
}
|
||
|
|
}
|