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<?php |
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/** |
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* Created by PhpStorm. |
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* User: tamaskovacs |
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* Date: 2017. 01. 22. |
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* Time: 17:14 |
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*/ |
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namespace Callisto; |
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class Oauth |
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{ |
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/** |
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* OAuth2 access token. |
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* |
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* @var string |
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*/ |
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private $accessToken; |
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/** |
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* OAuth2 access token secret. |
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* |
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* @var string |
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*/ |
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private $accessTokenSecret; |
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/** |
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* Twitter app consumer key. |
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* |
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* @var string |
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*/ |
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private $consumerKey; |
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/** |
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* Twitter app consumer secret. |
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* |
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* @var string |
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*/ |
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private $consumerSecret; |
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/** |
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* Oauth constructor. |
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* |
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* @param string $consumerKey |
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* @param string $consumerSecret |
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* @param string $accessToken |
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* @param string $accessTokenSecret |
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*/ |
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public function __construct(string $consumerKey, string $consumerSecret, string $accessToken, string $accessTokenSecret) |
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{ |
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$this->consumerKey = $consumerKey; |
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$this->consumerSecret = $consumerSecret; |
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$this->accessToken = $accessToken; |
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$this->accessTokenSecret = $accessTokenSecret; |
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} |
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/** |
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* Returns the parameters for an OAuth request. |
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* |
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* @return array |
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*/ |
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private function getOauthParams() : array |
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{ |
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return [ |
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'oauth_consumer_key' => $this->consumerKey, |
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'oauth_nonce' => md5(time() . rand()), |
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'oauth_signature_method' => 'HMAC-SHA1', |
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'oauth_timestamp' => time(), |
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'oauth_token' => $this->accessToken, |
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'oauth_version' => '1.0', |
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]; |
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} |
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/** |
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* Generates the HTTP request string. |
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* |
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* @param array $params |
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* @param $httpMethod |
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* @param $baseUrl |
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* @param $endPoint |
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* @return string |
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*/ |
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public function getOauthRequest(array $params, $httpMethod, $baseUrl, $endPoint) : string |
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{ |
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$signatureParams = array_merge($params, $this->getOauthParams()); |
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$signatureParams['oauth_signature'] = $this->getOauthSignature($signatureParams, $httpMethod, $baseUrl . $endPoint); |
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$contentParams = []; |
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foreach ($params as $key => $param) { |
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$contentParams[] = $key . '=' . rawurlencode($param); |
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} |
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$content = implode('&', $contentParams); |
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return $httpMethod . " " . $endPoint . " HTTP/1.1\r\n" |
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."Accept: */*\r\n" |
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."Connection: close\r\n" |
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."User-Agent: Callisto API\r\n" |
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."Content-Type: application/x-www-form-urlencoded\r\n" |
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."Authorization: OAuth realm=\"\",oauth_consumer_key=\"" . $signatureParams['oauth_consumer_key'] . "\"," |
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."oauth_nonce=\"" . $signatureParams['oauth_nonce'] . "\"," |
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."oauth_signature_method=\"" . $signatureParams['oauth_signature_method'] . "\"," |
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."oauth_timestamp=\"" . $signatureParams['oauth_timestamp'] . "\"," |
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."oauth_version=\"" . $signatureParams['oauth_version'] . "\"," |
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."oauth_token=\"" . $signatureParams['oauth_token'] . "\"," |
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."oauth_signature=\"" . rawurlencode($signatureParams['oauth_signature']) . "\"\r\n" |
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."Content-Length: " . strlen($content) . "\r\n" |
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."Host: stream.twitter.com:443\r\n\r\n" |
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.$content; |
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} |
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/** |
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* Generates an OAuth signature. |
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* |
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* @param array $params |
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* @param $httpMethod |
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* @param $url |
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* @return string |
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*/ |
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private function getOauthSignature(array $params, $httpMethod, $url) : string |
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{ |
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$urlParams = []; |
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foreach ($params as $key => $value) { |
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$params[$key] = rawurlencode($value); |
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$urlParams[$key] = $key . '=' . $params[$key]; |
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} |
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ksort($urlParams); |
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$parameterString = implode('&', $urlParams); |
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$signatureBaseString = strtoupper($httpMethod) . |
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'&' . rawurlencode($url) . |
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'&' . rawurlencode($parameterString); |
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$signingKey = rawurlencode($this->consumerSecret) . '&' . rawurlencode($this->accessTokenSecret); |
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$oauthSignature = base64_encode(hash_hmac('sha1', $signatureBaseString, $signingKey, true)); |
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return $oauthSignature; |
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} |
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} |
ktamashun /
Callisto
