├── .styleci.yml ├── composer.json ├── README.md ├── examples └── publisher_example.php ├── library └── Publisher.php └── LICENSE /.styleci.yml: -------------------------------------------------------------------------------- 1 | preset: recommended 2 | 3 | enabled: 4 | - concat_with_spaces 5 | - no_useless_else 6 | - not_operator_with_successor_space 7 | 8 | disabled: 9 | - concat_without_spaces 10 | 11 | finder: 12 | exclude: 13 | - "examples" 14 | -------------------------------------------------------------------------------- /composer.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "pubsubhubbub/publisher", 3 | "type": "library", 4 | "description": "pubsubhubbub implementation of publisher.", 5 | "keywords": ["pubsubhubbub", "publishers", "data", "feeds", "websub"], 6 | "homepage": "https://github.com/pubsubhubbub/php-publisher", 7 | "license": "Apache-2.0", 8 | "authors": [ 9 | { 10 | "name": "pubsubhubbub publisher Contributors", 11 | "homepage": "https://github.com/pubsubhubbub/php-publisher/contributors" 12 | } 13 | ], 14 | "require": { 15 | "php": "~5.4 || ~7.0 || ~8.0", 16 | "ext-curl": "*" 17 | }, 18 | "autoload": { 19 | "psr-4": { "pubsubhubbub\\publisher\\": "library/" } 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | This PHP library for PubSubHubbub was written by [Josh Fraser](http://joshfraser.com) and is released under the Apache 2.0 License 2 | 3 | # Install 4 | Update your `composer` require block: 5 | ```json 6 | "require": { "pubsubhubbub/publisher": "*" } 7 | ``` 8 | 9 | # Usage 10 | ```php 11 | use pubsubhubbub\publisher\Publisher; 12 | 13 | // specify which hub you want to use. In this case we'll use the demo hub on app engine. 14 | $hub_url = "http://pubsubhubbub.appspot.com/"; 15 | 16 | // create a new pubsubhubbub publisher 17 | $p = new Publisher($hub_url); 18 | 19 | // specify the feed that has been updated 20 | $topic_url = "http://www.onlineaspect.com"; 21 | 22 | // notify the hub that the specified topic_url (ATOM feed) has been updated 23 | // alternatively, publish_update() also accepts an array of topic urls 24 | if ($p->publish_update($topic_url)) { 25 |     echo "$topic_url was successfully published to $hub_url"; 26 | } else { 27 |     echo "Ooops..."; 28 |     print_r($p->last_response()); 29 | } 30 | ``` 31 | -------------------------------------------------------------------------------- /examples/publisher_example.php: -------------------------------------------------------------------------------- 1 | "; 13 | 14 | // process form 15 | if ($_POST['sub']) { 16 | 17 | $hub_url = $_POST['hub_url']; 18 | $topic_url = $_POST['topic_url']; 19 | 20 | // check that a hub url is specified 21 | if (!$hub_url) { 22 | echo "Please specify a hub url.

back"; 23 | exit(); 24 | } 25 | // check that a topic url is specified 26 | if (!$topic_url) { 27 | echo "Please specify a topic url to publish.

back"; 28 | exit(); 29 | } 30 | 31 | // $hub_url = "http://pubsubhubbub.appspot.com/publish"; 32 | $p = new Publisher($hub_url); 33 | if ($p->publish_update($topic_url)) { 34 | echo "$topic_url was successfully published to $hub_url

back"; 35 | } else { 36 | echo "ooops..."; 37 | print_r($p->last_response()); 38 | } 39 | 40 | } else { 41 | 42 | // display a primitive form for testing 43 | echo "
"; 44 | echo "hub url:
"; 45 | echo "topic url:
"; 46 | echo "
"; 47 | echo "
"; 48 | 49 | } 50 | 51 | echo ""; 52 | -------------------------------------------------------------------------------- /library/Publisher.php: -------------------------------------------------------------------------------- 1 | hub_url = $hub_url; 42 | } 43 | 44 | /** 45 | * Accepts either a single url or an array of urls. 46 | * 47 | * @param string|array $topic_urls 48 | * @param callable $http_function 49 | * 50 | * @return mixed 51 | */ 52 | public function publish_update($topic_urls, $http_function = false) 53 | { 54 | if (! isset($topic_urls)) { 55 | throw new InvalidArgumentException('Please specify a topic url'); 56 | } 57 | 58 | // check that we're working with an array 59 | if (! is_array($topic_urls)) { 60 | $topic_urls = [$topic_urls]; 61 | } 62 | 63 | // set the mode to publish 64 | $post_string = 'hub.mode=publish'; 65 | // loop through each topic url 66 | foreach ($topic_urls as $topic_url) { 67 | 68 | // lightweight check that we're actually working w/ a valid url 69 | if (! preg_match('|^https?://|i', $topic_url)) { 70 | throw new InvalidArgumentException('The specified topic url does not appear to be valid: ' . $topic_url); 71 | } 72 | 73 | // append the topic url parameters 74 | $post_string .= '&hub.url=' . urlencode($topic_url); 75 | } 76 | 77 | // make the http post request and return true/false 78 | // easy to over-write to use your own http function 79 | if ($http_function) { 80 | return $http_function($this->hub_url, $post_string); 81 | } 82 | 83 | return $this->http_post($this->hub_url, $post_string); 84 | } 85 | 86 | /** 87 | * Returns any error message from the latest request. 88 | * 89 | * @return string 90 | */ 91 | public function last_response() 92 | { 93 | return $this->last_response; 94 | } 95 | 96 | /** 97 | * Default http function that uses curl to post to the hub endpoint. 98 | * 99 | * @param string $url 100 | * @param string $post_string 101 | * 102 | * @return bool 103 | */ 104 | private function http_post($url, $post_string) 105 | { 106 | // add any additional curl options here 107 | $options = [ 108 | CURLOPT_URL => $url, 109 | CURLOPT_POST => true, 110 | CURLOPT_POSTFIELDS => $post_string, 111 | CURLOPT_USERAGENT => 'PubSubHubbub-Publisher-PHP/1.0', 112 | ]; 113 | 114 | $ch = curl_init(); 115 | curl_setopt_array($ch, $options); 116 | 117 | $response = curl_exec($ch); 118 | $this->last_response = $response; 119 | $info = curl_getinfo($ch); 120 | 121 | curl_close($ch); 122 | 123 | return $info['http_code'] == 204; 124 | } 125 | } 126 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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