449 lines
13 KiB
PHP
Executable File
449 lines
13 KiB
PHP
Executable File
<?php
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/**
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* The most popular PHP library for use with the Twitter OAuth REST API.
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*
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* @license MIT
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*/
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namespace Abraham\TwitterOAuth;
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use Abraham\TwitterOAuth\Util\JsonDecoder;
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/**
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* TwitterOAuth class for interacting with the Twitter API.
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*
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* @author Abraham Williams <abraham@abrah.am>
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*/
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class TwitterOAuth extends Config
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{
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const API_VERSION = '1.1';
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const API_HOST = 'https://api.twitter.com';
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const UPLOAD_HOST = 'https://upload.twitter.com';
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const UPLOAD_CHUNK = 40960; // 1024 * 40
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/** @var Response details about the result of the last request */
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private $response;
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/** @var string|null Application bearer token */
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private $bearer;
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/** @var Consumer Twitter application details */
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private $consumer;
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/** @var Token|null User access token details */
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private $token;
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/** @var HmacSha1 OAuth 1 signature type used by Twitter */
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private $signatureMethod;
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/**
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* Constructor
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*
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* @param string $consumerKey The Application Consumer Key
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* @param string $consumerSecret The Application Consumer Secret
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* @param string|null $oauthToken The Client Token (optional)
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* @param string|null $oauthTokenSecret The Client Token Secret (optional)
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*/
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public function __construct($consumerKey, $consumerSecret, $oauthToken = null, $oauthTokenSecret = null)
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{
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$this->resetLastResponse();
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$this->signatureMethod = new HmacSha1();
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$this->consumer = new Consumer($consumerKey, $consumerSecret);
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if (!empty($oauthToken) && !empty($oauthTokenSecret)) {
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$this->token = new Token($oauthToken, $oauthTokenSecret);
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}
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if (empty($oauthToken) && !empty($oauthTokenSecret)) {
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$this->bearer = $oauthTokenSecret;
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}
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}
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/**
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* @param string $oauthToken
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* @param string $oauthTokenSecret
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*/
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public function setOauthToken($oauthToken, $oauthTokenSecret)
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{
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$this->token = new Token($oauthToken, $oauthTokenSecret);
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}
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/**
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* @return string|null
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*/
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public function getLastApiPath()
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{
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return $this->response->getApiPath();
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}
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/**
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* @return int
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*/
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public function getLastHttpCode()
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{
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return $this->response->getHttpCode();
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}
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/**
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* @return array
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*/
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public function getLastXHeaders()
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{
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return $this->response->getXHeaders();
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}
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/**
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* @return array|object|null
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*/
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public function getLastBody()
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{
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return $this->response->getBody();
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}
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/**
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* Resets the last response cache.
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*/
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public function resetLastResponse()
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{
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$this->response = new Response();
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}
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/**
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* Make URLs for user browser navigation.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return string
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*/
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public function url($path, array $parameters)
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{
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$this->resetLastResponse();
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$this->response->setApiPath($path);
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$query = http_build_query($parameters);
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return sprintf('%s/%s?%s', self::API_HOST, $path, $query);
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}
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/**
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* Make /oauth/* requests to the API.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array
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* @throws TwitterOAuthException
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*/
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public function oauth($path, array $parameters = [])
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{
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$response = [];
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$this->resetLastResponse();
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$this->response->setApiPath($path);
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$url = sprintf('%s/%s', self::API_HOST, $path);
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$result = $this->oAuthRequest($url, 'POST', $parameters);
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if ($this->getLastHttpCode() != 200) {
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throw new TwitterOAuthException($result);
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}
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parse_str($result, $response);
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$this->response->setBody($response);
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return $response;
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}
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/**
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* Make /oauth2/* requests to the API.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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public function oauth2($path, array $parameters = [])
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{
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$method = 'POST';
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$this->resetLastResponse();
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$this->response->setApiPath($path);
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$url = sprintf('%s/%s', self::API_HOST, $path);
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$request = Request::fromConsumerAndToken($this->consumer, $this->token, $method, $url, $parameters);
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$authorization = 'Authorization: Basic ' . $this->encodeAppAuthorization($this->consumer);
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$result = $this->request($request->getNormalizedHttpUrl(), $method, $authorization, $parameters);
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$response = JsonDecoder::decode($result, $this->decodeJsonAsArray);
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$this->response->setBody($response);
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return $response;
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}
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/**
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* Make GET requests to the API.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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public function get($path, array $parameters = [])
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{
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return $this->http('GET', self::API_HOST, $path, $parameters);
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}
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/**
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* Make POST requests to the API.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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public function post($path, array $parameters = [])
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{
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return $this->http('POST', self::API_HOST, $path, $parameters);
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}
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/**
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* Make DELETE requests to the API.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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public function delete($path, array $parameters = [])
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{
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return $this->http('DELETE', self::API_HOST, $path, $parameters);
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}
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/**
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* Make PUT requests to the API.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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public function put($path, array $parameters = [])
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{
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return $this->http('PUT', self::API_HOST, $path, $parameters);
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}
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/**
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* Upload media to upload.twitter.com.
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*
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* @param string $path
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* @param array $parameters
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* @param boolean $chunked
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*
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* @return array|object
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*/
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public function upload($path, array $parameters = [], $chunked = false)
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{
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if ($chunked) {
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return $this->uploadMediaChunked($path, $parameters);
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} else {
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return $this->uploadMediaNotChunked($path, $parameters);
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}
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}
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/**
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* Private method to upload media (not chunked) to upload.twitter.com.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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private function uploadMediaNotChunked($path, $parameters)
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{
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$file = file_get_contents($parameters['media']);
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$base = base64_encode($file);
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$parameters['media'] = $base;
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return $this->http('POST', self::UPLOAD_HOST, $path, $parameters);
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}
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/**
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* Private method to upload media (chunked) to upload.twitter.com.
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*
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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private function uploadMediaChunked($path, $parameters)
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{
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// Init
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$init = $this->http('POST', self::UPLOAD_HOST, $path, [
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'command' => 'INIT',
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'media_type' => $parameters['media_type'],
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'total_bytes' => filesize($parameters['media'])
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]);
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// Append
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$segment_index = 0;
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$media = fopen($parameters['media'], 'rb');
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while (!feof($media))
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{
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$this->http('POST', self::UPLOAD_HOST, 'media/upload', [
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'command' => 'APPEND',
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'media_id' => $init->media_id_string,
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'segment_index' => $segment_index++,
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'media_data' => base64_encode(fread($media, self::UPLOAD_CHUNK))
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]);
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}
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fclose($media);
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// Finalize
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$finalize = $this->http('POST', self::UPLOAD_HOST, 'media/upload', [
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'command' => 'FINALIZE',
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'media_id' => $init->media_id_string
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]);
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return $finalize;
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}
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/**
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* @param string $method
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* @param string $host
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* @param string $path
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* @param array $parameters
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*
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* @return array|object
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*/
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private function http($method, $host, $path, array $parameters)
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{
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$this->resetLastResponse();
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$url = sprintf('%s/%s/%s.json', $host, self::API_VERSION, $path);
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$this->response->setApiPath($path);
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$result = $this->oAuthRequest($url, $method, $parameters);
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$response = JsonDecoder::decode($result, $this->decodeJsonAsArray);
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$this->response->setBody($response);
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return $response;
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}
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/**
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* Format and sign an OAuth / API request
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*
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* @param string $url
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* @param string $method
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* @param array $parameters
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*
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* @return string
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* @throws TwitterOAuthException
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*/
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private function oAuthRequest($url, $method, array $parameters)
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{
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$request = Request::fromConsumerAndToken($this->consumer, $this->token, $method, $url, $parameters);
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if (array_key_exists('oauth_callback', $parameters)) {
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// Twitter doesn't like oauth_callback as a parameter.
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unset($parameters['oauth_callback']);
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}
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if ($this->bearer === null) {
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$request->signRequest($this->signatureMethod, $this->consumer, $this->token);
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$authorization = $request->toHeader();
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} else {
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$authorization = 'Authorization: Bearer ' . $this->bearer;
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}
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return $this->request($request->getNormalizedHttpUrl(), $method, $authorization, $parameters);
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}
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/**
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* Make an HTTP request
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*
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* @param string $url
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* @param string $method
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* @param string $authorization
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* @param array $postfields
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*
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* @return string
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* @throws TwitterOAuthException
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*/
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private function request($url, $method, $authorization, $postfields)
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{
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/* Curl settings */
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$options = [
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// CURLOPT_VERBOSE => true,
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CURLOPT_CAINFO => __DIR__ . DIRECTORY_SEPARATOR . 'cacert.pem',
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CURLOPT_CONNECTTIMEOUT => $this->connectionTimeout,
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CURLOPT_HEADER => true,
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CURLOPT_HTTPHEADER => ['Accept: application/json', $authorization, 'Expect:'],
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_SSL_VERIFYHOST => 2,
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CURLOPT_SSL_VERIFYPEER => true,
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CURLOPT_TIMEOUT => $this->timeout,
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CURLOPT_URL => $url,
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CURLOPT_USERAGENT => $this->userAgent,
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CURLOPT_ENCODING => 'gzip',
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];
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if (!empty($this->proxy)) {
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$options[CURLOPT_PROXY] = $this->proxy['CURLOPT_PROXY'];
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$options[CURLOPT_PROXYUSERPWD] = $this->proxy['CURLOPT_PROXYUSERPWD'];
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$options[CURLOPT_PROXYPORT] = $this->proxy['CURLOPT_PROXYPORT'];
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$options[CURLOPT_PROXYAUTH] = CURLAUTH_BASIC;
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$options[CURLOPT_PROXYTYPE] = CURLPROXY_HTTP;
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}
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switch ($method) {
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case 'GET':
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break;
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case 'POST':
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$options[CURLOPT_POST] = true;
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$options[CURLOPT_POSTFIELDS] = Util::buildHttpQuery($postfields);
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break;
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case 'DELETE':
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$options[CURLOPT_CUSTOMREQUEST] = 'DELETE';
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break;
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case 'PUT':
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$options[CURLOPT_CUSTOMREQUEST] = 'PUT';
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break;
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}
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if (in_array($method, ['GET', 'PUT', 'DELETE']) && !empty($postfields)) {
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$options[CURLOPT_URL] .= '?' . Util::buildHttpQuery($postfields);
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}
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$curlHandle = curl_init();
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curl_setopt_array($curlHandle, $options);
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$response = curl_exec($curlHandle);
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// Throw exceptions on cURL errors.
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if (curl_errno($curlHandle) > 0) {
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throw new TwitterOAuthException(curl_error($curlHandle), curl_errno($curlHandle));
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}
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$this->response->setHttpCode(curl_getinfo($curlHandle, CURLINFO_HTTP_CODE));
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$parts = explode("\r\n\r\n", $response);
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$responseBody = array_pop($parts);
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$responseHeader = array_pop($parts);
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$this->response->setHeaders($this->parseHeaders($responseHeader));
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curl_close($curlHandle);
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return $responseBody;
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}
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/**
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* Get the header info to store.
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*
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* @param string $header
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*
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* @return array
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*/
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private function parseHeaders($header)
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{
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$headers = [];
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foreach (explode("\r\n", $header) as $line) {
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if (strpos($line, ':') !== false) {
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list ($key, $value) = explode(': ', $line);
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$key = str_replace('-', '_', strtolower($key));
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$headers[$key] = trim($value);
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}
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}
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return $headers;
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}
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/**
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* Encode application authorization header with base64.
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*
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* @param Consumer $consumer
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*
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* @return string
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*/
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private function encodeAppAuthorization($consumer)
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{
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// TODO: key and secret should be rfc 1738 encoded
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$key = $consumer->key;
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$secret = $consumer->secret;
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return base64_encode($key . ':' . $secret);
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}
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}
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