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<?php |
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namespace mikemix\Wiziq\API; |
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class Auth |
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{ |
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/** @var string */ |
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protected $secretAcessKey; |
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/** @var string */ |
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protected $accessKey; |
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/** @var int */ |
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protected $currentTime; |
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public function __construct($secretAcessKey, $accessKey) |
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{ |
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$this->secretAcessKey = $secretAcessKey; |
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$this->accessKey = $accessKey; |
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} |
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/** |
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* @param string $methodName Method name |
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* @param array $data Method payload |
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* @return array Send ready request payload |
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*/ |
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public function preparePayload($methodName, array $data) |
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{ |
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$params = []; |
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$params['access_key'] = $this->accessKey; |
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$params['timestamp'] = $this->getCurrentTime(); |
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$params['method'] = $methodName; |
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$hmacsha = $this->hmacsha1(urldecode(http_build_query($params, '', '&'))); |
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return array_merge( |
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$params, |
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['signature' => base64_encode($hmacsha)], |
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$this->prepareValues($data) |
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); |
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} |
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/** |
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* @param array $data |
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* @return array |
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*/ |
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protected function prepareValues(array $data) |
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{ |
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foreach ($data as $key => $val) { |
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if (is_bool($data[$key])) { |
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$data[$key] = (int)$val; |
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} elseif (null === $val) { |
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$data[$key] = ''; |
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} |
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} |
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return $data; |
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} |
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/** |
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* Based on code from api.wiziq.com |
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* |
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* @param string $data |
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* @param int $blocksize |
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* @return string |
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*/ |
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protected function hmacsha1($data, $blocksize = 64) |
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{ |
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$key = urlencode($this->secretAcessKey); |
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if (strlen($key) > $blocksize) { |
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$key = pack('H*', sha1($key)); |
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} |
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$key = str_pad($key, $blocksize, chr(0x00)); |
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$ipad = str_repeat(chr(0x36), $blocksize); |
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$opad = str_repeat(chr(0x5c), $blocksize); |
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return pack('H*', sha1(($key^$opad).pack('H*', sha1(($key^$ipad).$data)))); |
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} |
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/** |
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* @return int |
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*/ |
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protected function getCurrentTime() |
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{ |
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if (!$this->currentTime) { |
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$this->currentTime = time(); |
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} |
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return $this->currentTime; |
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} |
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/** |
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* @param int $time |
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* @internal For tests only |
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*/ |
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public function setCurrentTime($time) |
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{ |
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$this->currentTime = $time; |
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} |
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} |
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mikemix /
wiziq-integration
