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PhabricatorDuoFuture.php
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Mon, Nov 4, 03:38

PhabricatorDuoFuture.php
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<?php
final class PhabricatorDuoFuture
extends FutureProxy {
private $future;
private $integrationKey;
private $secretKey;
private $apiHostname;
private $httpMethod = 'POST';
private $method;
private $parameters;
private $timeout;
public function __construct() {
parent::__construct(null);
}
public function setIntegrationKey($integration_key) {
$this->integrationKey = $integration_key;
return $this;
}
public function setSecretKey(PhutilOpaqueEnvelope $key) {
$this->secretKey = $key;
return $this;
}
public function setAPIHostname($hostname) {
$this->apiHostname = $hostname;
return $this;
}
public function setMethod($method, array $parameters) {
$this->method = $method;
$this->parameters = $parameters;
return $this;
}
public function setTimeout($timeout) {
$this->timeout = $timeout;
return $this;
}
public function getTimeout() {
return $this->timeout;
}
public function setHTTPMethod($method) {
$this->httpMethod = $method;
return $this;
}
public function getHTTPMethod() {
return $this->httpMethod;
}
protected function getProxiedFuture() {
if (!$this->future) {
if ($this->integrationKey === null) {
throw new PhutilInvalidStateException('setIntegrationKey');
}
if ($this->secretKey === null) {
throw new PhutilInvalidStateException('setSecretKey');
}
if ($this->apiHostname === null) {
throw new PhutilInvalidStateException('setAPIHostname');
}
if ($this->method === null || $this->parameters === null) {
throw new PhutilInvalidStateException('setMethod');
}
$path = (string)urisprintf('/auth/v2/%s', $this->method);
$host = $this->apiHostname;
$host = phutil_utf8_strtolower($host);
$uri = id(new PhutilURI(''))
->setProtocol('https')
->setDomain($host)
->setPath($path);
$data = $this->parameters;
$date = date('r');
$http_method = $this->getHTTPMethod();
ksort($data);
$data_parts = phutil_build_http_querystring($data);
$corpus = array(
$date,
$http_method,
$host,
$path,
$data_parts,
);
$corpus = implode("\n", $corpus);
$signature = hash_hmac(
'sha1',
$corpus,
$this->secretKey->openEnvelope());
$signature = new PhutilOpaqueEnvelope($signature);
if ($http_method === 'GET') {
$uri->setQueryParams($data);
$data = array();
}
$future = id(new HTTPSFuture($uri, $data))
->setHTTPBasicAuthCredentials($this->integrationKey, $signature)
->setMethod($http_method)
->addHeader('Accept', 'application/json')
->addHeader('Date', $date);
$timeout = $this->getTimeout();
if ($timeout) {
$future->setTimeout($timeout);
}
$this->future = $future;
}
return $this->future;
}
protected function didReceiveResult($result) {
list($status, $body, $headers) = $result;
if ($status->isError()) {
throw $status;
}
try {
$data = phutil_json_decode($body);
} catch (PhutilJSONParserException $ex) {
throw new PhutilProxyException(
pht('Expected JSON response from Duo.'),
$ex);
}
return $data;
}
}

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