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wpt_twitter_oauth.php
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wpt_twitter_oauth.php
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<?php
/*
* Abraham Williams (abraham@abrah.am) http://abrah.am
*
* The first PHP Library to support WPOAuth for Twitter's REST API.
*
*/
/* Load WPOAuth lib. You can find it at http://WPOAuth.net */
require_once('WP_OAuth.php');
if (!class_exists('jd_TwitterOAuth')) {
/**
* Twitter WPOAuth class
*/
class jd_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 = "http://api.twitter.com/1.1/";
/* Set timeout default. */
public $format = 'json';
/* Decode returned json data. */
public $decode_json = false;
/* Contains the last API call */
private $last_api_call;
/* containe the header */
public $http_header;
/**
* Set API URLS
*/
function accessTokenURL() { return "http://api.twitter.com/oauth/access_token"; }
function authenticateURL() { return "http://api.twitter.com/oauth/authenticate"; }
function authorizeURL() { return "http://api.twitter.com/oauth/authorize"; }
function requestTokenURL() { return "http://api.twitter.com/oauth/request_token"; }
/**
* Debug helpers
*/
function lastStatusCode() { return $this->http_code; }
function lastAPICall() { return $this->last_api_call; }
/**
* construct TwitterWPOAuth object
*/
function __construct($consumer_key, $consumer_secret, $WPOAuth_token = NULL, $WPOAuth_token_secret = NULL) {
$this->sha1_method = new WPOAuthSignatureMethod_HMAC_SHA1();
$this->consumer = new WPOAuthConsumer($consumer_key, $consumer_secret);
if (!empty($WPOAuth_token) && !empty($WPOAuth_token_secret)) {
$this->token = new WPOAuthConsumer($WPOAuth_token, $WPOAuth_token_secret);
} else {
$this->token = NULL;
}
}
/**
* Get a request_token from Twitter
*
* @returns a key/value array containing WPOAuth_token and WPOAuth_token_secret
*/
function getRequestToken() {
$r = $this->WPOAuthRequest($this->requestTokenURL());
$token = $this->WPOAuthParseResponse($r);
$this->token = new WPOAuthConsumer($token['WPOAuth_token'], $token['WPOAuth_token_secret']);
return $token;
}
/**
* Parse a URL-encoded WPOAuth response
*
* @return a key/value array
*/
function WPOAuthParseResponse($responseString) {
$r = array();
foreach (explode('&', $responseString) as $param) {
$pair = explode('=', $param, 2);
if (count($pair) != 2) continue;
$r[urldecode($pair[0])] = urldecode($pair[1]);
}
return $r;
}
/**
* Get the authorize URL
*
* @returns a string
*/
function getAuthorizeURL($token) {
if (is_array($token)) $token = $token['WPOAuth_token'];
return $this->authorizeURL() . '?WPOAuth_token=' . $token;
}
/**
* Get the authenticate URL
*
* @returns a string
*/
function getAuthenticateURL($token) {
if (is_array($token)) $token = $token['WPOAuth_token'];
return $this->authenticateURL() . '?WPOAuth_token=' . $token;
}
/**
* Exchange the request token and secret for an access token and
* secret, to sign API calls.
*
* @returns array("WPOAuth_token" => the access token,
* "WPOAuth_token_secret" => the access secret)
*/
function getAccessToken($token = NULL) {
$r = $this->WPOAuthRequest($this->accessTokenURL());
$token = $this->WPOAuthParseResponse($r);
$this->token = new WPOAuthConsumer($token['WPOAuth_token'], $token['WPOAuth_token_secret']);
return $token;
}
/**
* Wrapper for POST requests
*/
function post($url, $parameters = array()) {
$response = $this->WPOAuthRequest( $url,$parameters,'POST' );
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* Wrapper for MEDIA requests
*/
function media($url, $parameters = array()) {
$response = $this->WPOAuthRequest( $url,$parameters,'MEDIA' );
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* Wrapper for GET requests
*/
function get($url, $parameters = array()) {
$response = $this->WPOAuthRequest( $url,$parameters,'GET' );
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* Format and sign an WPOAuth / API request
*/
function WPOAuthRequest($url, $args = array(), $method = NULL) {
if (empty($method)) $method = empty($args) ? "GET" : "POST";
$req = WPOAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $args);
$req->sign_request($this->sha1_method, $this->consumer, $this->token);
$response = false;
$url = null;
switch ($method) {
case 'GET':
$url = $req->to_url();
$response = wp_remote_get( $url );
break;
case 'POST':
$url = $req->get_normalized_http_url();
$args = wp_parse_args($req->to_postdata());
$response = wp_remote_post( $url, array('body'=>$args,'timeout' => 30));
break;
case 'MEDIA':
$url = $req->get_normalized_http_url();
$args = wp_parse_args($req->to_postdata());
$response = wp_remote_post( $url, array( 'headers'=>array('Content-type'=>'multipart/form-data'),'body'=>$args,'timeout' => 30 ) );
break;
}
if ( is_wp_error( $response ) ) return false;
$this->http_code = $response['response']['code'];
$this->last_api_call = $url;
$this->format = 'json';
$this->http_header = $response['headers'];
return $response['body'];
}
}
}