diff options
Diffstat (limited to 'addon/twitter/twitteroauth.php')
| -rw-r--r-- | addon/twitter/twitteroauth.php | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/addon/twitter/twitteroauth.php b/addon/twitter/twitteroauth.php new file mode 100644 index 000000000..cc771391f --- /dev/null +++ b/addon/twitter/twitteroauth.php @@ -0,0 +1,245 @@ +<?php + +/* + * Abraham Williams (abraham@abrah.am) http://abrah.am + * + * The first PHP Library to support OAuth for Twitter's REST API. + */ + +/* Load OAuth lib. You can find it at http://oauth.net */ +require_once('addon/twitter/OAuth.php'); + +/** + * Twitter OAuth class + */ +class TwitterOAuth { + /* Contains the last HTTP status code returned. */ + public $http_code; + /* Contains the last API call. */ + public $url; + /* Set up the API root URL. */ + public $host = "https://api.twitter.com/1/"; + /* Set timeout default. */ + public $timeout = 30; + /* Set connect timeout. */ + public $connecttimeout = 30; + /* Verify SSL Cert. */ + public $ssl_verifypeer = FALSE; + /* Respons format. */ + public $format = 'json'; + /* Decode returned json data. */ + public $decode_json = TRUE; + /* Contains the last HTTP headers returned. */ + public $http_info; + /* Set the useragnet. */ + public $useragent = 'TwitterOAuth v0.2.0-beta2'; + /* Immediately retry the API call if the response was not successful. */ + //public $retry = TRUE; + + + + + /** + * Set API URLS + */ + function accessTokenURL() { return 'https://api.twitter.com/oauth/access_token'; } + function authenticateURL() { return 'https://twitter.com/oauth/authenticate'; } + function authorizeURL() { return 'https://twitter.com/oauth/authorize'; } + function requestTokenURL() { return 'https://api.twitter.com/oauth/request_token'; } + + /** + * Debug helpers + */ + function lastStatusCode() { return $this->http_status; } + function lastAPICall() { return $this->last_api_call; } + + /** + * construct TwitterOAuth object + */ + function __construct($consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) { + $this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1(); + $this->consumer = new OAuthConsumer($consumer_key, $consumer_secret); + if (!empty($oauth_token) && !empty($oauth_token_secret)) { + $this->token = new OAuthConsumer($oauth_token, $oauth_token_secret); + } else { + $this->token = NULL; + } + } + + + /** + * Get a request_token from Twitter + * + * @returns a key/value array containing oauth_token and oauth_token_secret + */ + function getRequestToken($oauth_callback = NULL) { + $parameters = array(); + if (!empty($oauth_callback)) { + $parameters['oauth_callback'] = $oauth_callback; + } + $request = $this->oAuthRequest($this->requestTokenURL(), 'GET', $parameters); + $token = OAuthUtil::parse_parameters($request); + $this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']); + return $token; + } + + /** + * Get the authorize URL + * + * @returns a string + */ + function getAuthorizeURL($token, $sign_in_with_twitter = TRUE) { + if (is_array($token)) { + $token = $token['oauth_token']; + } + if (empty($sign_in_with_twitter)) { + return $this->authorizeURL() . "?oauth_token={$token}"; + } else { + return $this->authenticateURL() . "?oauth_token={$token}"; + } + } + + /** + * Exchange request token and secret for an access token and + * secret, to sign API calls. + * + * @returns array("oauth_token" => "the-access-token", + * "oauth_token_secret" => "the-access-secret", + * "user_id" => "9436992", + * "screen_name" => "abraham") + */ + function getAccessToken($oauth_verifier = FALSE) { + $parameters = array(); + if (!empty($oauth_verifier)) { + $parameters['oauth_verifier'] = $oauth_verifier; + } + $request = $this->oAuthRequest($this->accessTokenURL(), 'GET', $parameters); + $token = OAuthUtil::parse_parameters($request); + $this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']); + return $token; + } + + /** + * One time exchange of username and password for access token and secret. + * + * @returns array("oauth_token" => "the-access-token", + * "oauth_token_secret" => "the-access-secret", + * "user_id" => "9436992", + * "screen_name" => "abraham", + * "x_auth_expires" => "0") + */ + function getXAuthToken($username, $password) { + $parameters = array(); + $parameters['x_auth_username'] = $username; + $parameters['x_auth_password'] = $password; + $parameters['x_auth_mode'] = 'client_auth'; + $request = $this->oAuthRequest($this->accessTokenURL(), 'POST', $parameters); + $token = OAuthUtil::parse_parameters($request); + $this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']); + return $token; + } + + /** + * GET wrapper for oAuthRequest. + */ + function get($url, $parameters = array()) { + $response = $this->oAuthRequest($url, 'GET', $parameters); + if ($this->format === 'json' && $this->decode_json) { + return json_decode($response); + } + return $response; + } + + /** + * POST wrapper for oAuthRequest. + */ + function post($url, $parameters = array()) { + $response = $this->oAuthRequest($url, 'POST', $parameters); + if ($this->format === 'json' && $this->decode_json) { + return json_decode($response); + } + return $response; + } + + /** + * DELETE wrapper for oAuthReqeust. + */ + function delete($url, $parameters = array()) { + $response = $this->oAuthRequest($url, 'DELETE', $parameters); + if ($this->format === 'json' && $this->decode_json) { + return json_decode($response); + } + return $response; + } + + /** + * Format and sign an OAuth / API request + */ + function oAuthRequest($url, $method, $parameters) { + if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) { + $url = "{$this->host}{$url}.{$this->format}"; + } + $request = OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $parameters); + $request->sign_request($this->sha1_method, $this->consumer, $this->token); + switch ($method) { + case 'GET': + return $this->http($request->to_url(), 'GET'); + default: + return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata()); + } + } + + /** + * Make an HTTP request + * + * @return API results + */ + function http($url, $method, $postfields = NULL) { + $this->http_info = array(); + $ci = curl_init(); + /* Curl settings */ + curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent); + curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout); + curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout); + curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE); + curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:')); + curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer); + curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader')); + curl_setopt($ci, CURLOPT_HEADER, FALSE); + + switch ($method) { + case 'POST': + curl_setopt($ci, CURLOPT_POST, TRUE); + if (!empty($postfields)) { + curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields); + } + break; + case 'DELETE': + curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE'); + if (!empty($postfields)) { + $url = "{$url}?{$postfields}"; + } + } + + curl_setopt($ci, CURLOPT_URL, $url); + $response = curl_exec($ci); + $this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE); + $this->http_info = array_merge($this->http_info, curl_getinfo($ci)); + $this->url = $url; + curl_close ($ci); + return $response; + } + + /** + * Get the header info to store. + */ + function getHeader($ch, $header) { + $i = strpos($header, ':'); + if (!empty($i)) { + $key = str_replace('-', '_', strtolower(substr($header, 0, $i))); + $value = trim(substr($header, $i + 2)); + $this->http_header[$key] = $value; + } + return strlen($header); + } +} |