|
|
<?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('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://api.twitter.com/oauth/authenticate'; }
|
|
|
function authorizeURL() { return 'https://api.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);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
