tupali_fork/milfs/addon/logis/funciones/twitter/src/TwitterOAuth.php
2017-10-25 22:36:21 -05:00

449 lines
13 KiB
PHP

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