Current Path : /var/www/mainsite/arfs/wp-content/themes/khore/event-framework/lib/ |
Current File : /var/www/mainsite/arfs/wp-content/themes/khore/event-framework/lib/twitter.php |
<?php /* Plugin Name: Twitter Feeds Plugin URI: http://www.wpreads.com Description: This Plugin will fetch Twitter Account feeds for Twitter feeds API 1.1 Author: Contributed Version: 1.6 Author URI: http://www.wpreads.com */ class TwitterAPIExchange { private $oauth_access_token; private $oauth_access_token_secret; private $consumer_key; private $consumer_secret; private $postfields; private $getfield; protected $oauth; public $url; /** * Create the API access object. Requires an array of settings:: * oauth access token, oauth access token secret, consumer key, consumer secret * These are all available by creating your own application on dev.twitter.com * Requires the cURL library * * @param array $settings */ public function __construct(array $settings) { if (!in_array('curl', get_loaded_extensions())) { throw new Exception('You need to install cURL, see: http://curl.haxx.se/docs/install.html'); } if (!isset($settings['oauth_access_token']) || !isset($settings['oauth_access_token_secret']) || !isset($settings['consumer_key']) || !isset($settings['consumer_secret'])) { throw new Exception('Make sure you are passing in the correct parameters'); } $this->oauth_access_token = $settings['oauth_access_token']; $this->oauth_access_token_secret = $settings['oauth_access_token_secret']; $this->consumer_key = $settings['consumer_key']; $this->consumer_secret = $settings['consumer_secret']; } /** * Set postfields array, example: array('screen_name' => 'J7mbo') * * @param array $array Array of parameters to send to API * * @return TwitterAPIExchange Instance of self for method chaining */ public function setPostfields(array $array) { if (!is_null($this->getGetfield())) { throw new Exception('You can only choose get OR post fields.'); } if (isset($array['status']) && substr($array['status'], 0, 1) === '@') { $array['status'] = sprintf(" %s", $array['status']); } $this->postfields = $array; return $this; } /** * Set getfield string, example: '?screen_name=J7mbo' * * @param string $string Get key and value pairs as string * * @return \TwitterAPIExchange Instance of self for method chaining */ public function setGetfield($string) { if (!is_null($this->getPostfields())) { throw new Exception('You can only choose get OR post fields.'); } $search = array('#', ',', '+', ':'); $replace = array('%23', '%2C', '%2B', '%3A'); $string = str_replace($search, $replace, $string); $this->getfield = $string; return $this; } /** * Get getfield string (simple getter) * * @return string $this->getfields */ public function getGetfield() { return $this->getfield; } /** * Get postfields array (simple getter) * * @return array $this->postfields */ public function getPostfields() { return $this->postfields; } /** * Build the Oauth object using params set in construct and additionals * passed to this method. For v1.1, see: https://dev.twitter.com/docs/api/1.1 * * @param string $url The API url to use. Example: https://api.twitter.com/1.1/search/tweets.json * @param string $requestMethod Either POST or GET * @return \TwitterAPIExchange Instance of self for method chaining */ public function buildOauth($url, $requestMethod) { if (!in_array(strtolower($requestMethod), array('post', 'get'))) { throw new Exception('Request method must be either POST or GET'); } $consumer_key = $this->consumer_key; $consumer_secret = $this->consumer_secret; $oauth_access_token = $this->oauth_access_token; $oauth_access_token_secret = $this->oauth_access_token_secret; $oauth = array( 'oauth_consumer_key' => $consumer_key, 'oauth_nonce' => time(), 'oauth_signature_method' => 'HMAC-SHA1', 'oauth_token' => $oauth_access_token, 'oauth_timestamp' => time(), 'oauth_version' => '1.0' ); $getfield = $this->getGetfield(); if (!is_null($getfield)) { $getfields = str_replace('?', '', explode('&', $getfield)); foreach ($getfields as $g) { $split = explode('=', $g); $oauth[$split[0]] = $split[1]; } } $base_info = $this->buildBaseString($url, $requestMethod, $oauth); $composite_key = rawurlencode($consumer_secret) . '&' . rawurlencode($oauth_access_token_secret); $oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true)); $oauth['oauth_signature'] = $oauth_signature; $this->url = $url; $this->oauth = $oauth; return $this; } /** * Perform the acual data retrieval from the API * * @param boolean $return If true, returns data. * * @return json If $return param is true, returns json data. */ public function performRequest($return = true) { if (!is_bool($return)) { throw new Exception('performRequest parameter must be true or false'); } $header = array($this->buildAuthorizationHeader($this->oauth), 'Expect:'); $getfield = $this->getGetfield(); $postfields = $this->getPostfields(); $options = array( CURLOPT_HTTPHEADER => $header, CURLOPT_HEADER => false, CURLOPT_URL => $this->url, CURLOPT_RETURNTRANSFER => true, CURLOPT_SSL_VERIFYPEER => false ); if (!is_null($postfields)) { $options[CURLOPT_POSTFIELDS] = $postfields; } else { if ($getfield !== '') { $options[CURLOPT_URL] .= $getfield; } } $feed = curl_init(); curl_setopt_array($feed, $options); $json = curl_exec($feed); curl_close($feed); if ($return) { return $json; } } /** * Private method to generate the base string used by cURL * * @param string $baseURI * @param string $method * @param string $params * * @return string Built base string */ private function buildBaseString($baseURI, $method, $params) { $return = array(); ksort($params); foreach ($params as $key => $value) { $return[] = "$key=" . $value; } return $method . "&" . rawurlencode($baseURI) . '&' . rawurlencode(implode('&', $return)); } /** * Private method to generate authorization header used by cURL * * @param array $oauth Array of oauth data generated by buildOauth() * * @return string $return Header used by cURL for request */ private function buildAuthorizationHeader($oauth) { $return = 'Authorization: OAuth '; $values = array(); foreach ($oauth as $key => $value) { $values[] = "$key=\"" . rawurlencode($value) . "\""; } $return .= implode(', ', $values); return $return; } } function objectToArray($d) { if (is_object($d)) { // Gets the properties of the given object // with get_object_vars function $d = get_object_vars($d); } if (is_array($d)) { /* * Return array converted to object * Using __FUNCTION__ (Magic constant) * for recursive call */ return array_map(__FUNCTION__, $d); } else { // Return array return $d; } }