--- /dev/null
+<?php
+/**
+ * A PHP client library for pubsubhubbub.
+ *
+ * @link http://code.google.com/p/pubsubhubbub/
+ *
+ * @author Josh Fraser | joshfraser.com | josh@eventvue.com
+ * @license Apache License 2.0
+ */
+namespace Pubsubhubbub\Subscriber;
+
+use InvalidArgumentException;
+
+class Subscriber
+{
+ /**
+ * Put your google key here.
+ * Required if you want to use the google feed API to lookup RSS feeds.
+ *
+ * @var string
+ */
+ protected $google_key = '';
+
+ /**
+ * @var string
+ */
+ protected $hub_url;
+
+ /**
+ * @var string
+ */
+ protected $callback_url;
+
+ /**
+ * @var string
+ */
+ protected $credentials;
+
+ /**
+ * @var string accepted values are "async" and "sync"
+ */
+ protected $verify = 'async';
+
+ /**
+ * @var string
+ */
+ protected $verify_token;
+
+ /**
+ * @var string
+ */
+ protected $lease_seconds;
+
+ /**
+ * Create a new Subscriber (credentials added for SuperFeedr support).
+ *
+ * @param string $hub_url
+ * @param string $callback_url
+ * @param string $credentials
+ */
+ public function __construct($hub_url, $callback_url, $credentials = false)
+ {
+ if (! isset($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: ' . $hub_url);
+ }
+
+ if (! isset($callback_url)) {
+ throw new InvalidArgumentException('Please specify a callback');
+ }
+
+ $this->hub_url = $hub_url;
+ $this->callback_url = $callback_url;
+ $this->credentials = $credentials;
+ }
+
+ /**
+ * $use_regexp lets you choose whether to use google AJAX feed api (faster, but cached) or a regexp to read from site.
+ *
+ * @param string $url
+ * @param callable $http_function
+ *
+ * @return string
+ */
+ public function find_feed($url, $http_function = false)
+ {
+ // using google feed API
+ $url = "http://ajax.googleapis.com/ajax/services/feed/lookup?key={$this->google_key}&v=1.0&q=" . urlencode($url);
+ // fetch the content
+ if ($http_function) {
+ $response = $http_function($url);
+ } else {
+ $response = $this->http($url);
+ }
+
+ $result = json_decode($response, true);
+ $rss_url = $result['responseData']['url'];
+
+ return $rss_url;
+ }
+
+ /**
+ * Subscribe to a topic.
+ *
+ * @param string $topic_url
+ * @param callable $http_function
+ *
+ * @return mixed
+ */
+ public function subscribe($topic_url, $http_function = false)
+ {
+ return $this->change_subscription('subscribe', $topic_url, $http_function);
+ }
+
+ /**
+ * Unsubscribe from a topic.
+ *
+ * @param string $topic_url
+ * @param callable $http_function
+ *
+ * @return mixed
+ */
+ public function unsubscribe($topic_url, $http_function = false)
+ {
+ return $this->change_subscription('unsubscribe', $topic_url, $http_function);
+ }
+
+ /**
+ * Helper function since sub/unsub are handled the same way.
+ *
+ * @param string $mode
+ * @param string $topic_url
+ * @param callable $http_function
+ *
+ * @return mixed
+ */
+ private function change_subscription($mode, $topic_url, $http_function = false)
+ {
+ if (! isset($topic_url)) {
+ throw new InvalidArgumentException('Please specify a 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);
+ }
+
+ // set the mode subscribe/unsubscribe
+ $post_string = 'hub.mode=' . $mode;
+ $post_string .= '&hub.callback=' . urlencode($this->callback_url);
+ $post_string .= '&hub.verify=' . $this->verify;
+ $post_string .= '&hub.verify_token=' . $this->verify_token;
+ $post_string .= '&hub.lease_seconds=' . $this->lease_seconds;
+
+ // append the topic url parameters
+ $post_string .= '&hub.topic=' . urlencode($topic_url);
+
+ // make the http post request and return true/false
+ // easy to over-write to use your own http function
+ if ($http_function) {
+ return call_user_func_array($http_function, [$this->hub_url, $post_string]);
+ }
+
+ return $this->http($this->hub_url, $post_string);
+ }
+
+ /**
+ * Default http function that uses curl to post to the hub endpoint.
+ *
+ * @param string $url
+ * @param string $post_string
+ *
+ * @return mixed
+ */
+ private function http($url, $post_string)
+ {
+
+ // add any additional curl options here
+ $options = [
+ CURLOPT_URL => $url,
+ CURLOPT_USERAGENT => 'PubSubHubbub-Subscriber-PHP/1.0',
+ CURLOPT_RETURNTRANSFER => true,
+ ];
+
+ if ($post_string) {
+ $options[CURLOPT_POST] = true;
+ $options[CURLOPT_POSTFIELDS] = $post_string;
+ }
+
+ if ($this->credentials) {
+ $options[CURLOPT_USERPWD] = $this->credentials;
+ }
+
+ $ch = curl_init();
+ curl_setopt_array($ch, $options);
+
+ $response = curl_exec($ch);
+ $info = curl_getinfo($ch);
+
+ // all good -- anything in the 200 range
+ if (substr($info['http_code'], 0, 1) == '2') {
+ return $response;
+ }
+
+ return false;
+ }
+}
+++ /dev/null
-<?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 Subscriber {
-
- // put your google key here
- // required if you want to use the google feed API to lookup RSS feeds
- protected $google_key = "";
-
- protected $hub_url;
- protected $callback_url;
- protected $credentials;
- // accepted values are "async" and "sync"
- protected $verify = "async";
- protected $verify_token;
- protected $lease_seconds;
-
- // create a new Subscriber (credentials added for SuperFeedr support)
- public function __construct($hub_url, $callback_url, $credentials = false) {
-
- if (!isset($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);
-
- if (!isset($callback_url))
- throw new Exception('Please specify a callback');
-
- $this->hub_url = $hub_url;
- $this->callback_url = $callback_url;
- $this->credentials = $credentials;
- }
-
- // $use_regexp lets you choose whether to use google AJAX feed api (faster, but cached) or a regexp to read from site
- public function find_feed($url, $http_function = false) {
- // using google feed API
- $url = "http://ajax.googleapis.com/ajax/services/feed/lookup?key={$this->google_key}&v=1.0&q=".urlencode($url);
- // fetch the content
- if ($http_function)
- $response = $http_function($url);
- else
- $response = $this->http($url);
-
- $result = json_decode($response, true);
- $rss_url = $result['responseData']['url'];
- return $rss_url;
- }
-
- public function subscribe($topic_url, $http_function = false) {
- return $this->change_subscription("subscribe", $topic_url, $http_function = false);
- }
-
- public function unsubscribe($topic_url, $http_function = false) {
- return $this->change_subscription("unsubscribe", $topic_url, $http_function = false);
- }
-
- // helper function since sub/unsub are handled the same way
- private function change_subscription($mode, $topic_url, $http_function = false) {
- if (!isset($topic_url))
- throw new Exception('Please specify a 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);
-
- // set the mode subscribe/unsubscribe
- $post_string = "hub.mode=".$mode;
- $post_string .= "&hub.callback=".urlencode($this->callback_url);
- $post_string .= "&hub.verify=".$this->verify;
- $post_string .= "&hub.verify_token=".$this->verify_token;
- $post_string .= "&hub.lease_seconds=".$this->lease_seconds;
-
- // append the topic url parameters
- $post_string .= "&hub.topic=".urlencode($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 $this->http($this->hub_url,$post_string);
- }
-
- // default http function that uses curl to post to the hub endpoint
- private function http($url, $post_string) {
-
- // add any additional curl options here
- $options = array(CURLOPT_URL => $url,
- CURLOPT_USERAGENT => "PubSubHubbub-Subscriber-PHP/1.0",
- CURLOPT_RETURNTRANSFER => true);
-
- if ($post_string) {
- $options[CURLOPT_POST] = true;
- $options[CURLOPT_POSTFIELDS] = $post_string;
- }
-
- if ($this->credentials)
- $options[CURLOPT_USERPWD] = $this->credentials;
-
- $ch = curl_init();
- curl_setopt_array($ch, $options);
-
- $response = curl_exec($ch);
- $info = curl_getinfo($ch);
-
- // all good -- anything in the 200 range
- if (substr($info['http_code'],0,1) == "2") {
- return $response;
- }
- return false;
- }
-}
-
-
-?>
\ No newline at end of file
projects / tt-rss.git / commitdiff