public function testStrLen()
 {
     $this->assertEquals(0, Google_Utils::getStrLen(null));
     $this->assertEquals(0, Google_Utils::getStrLen(false));
     $this->assertEquals(0, Google_Utils::getStrLen(""));
     $this->assertEquals(1, Google_Utils::getStrLen(" "));
     $this->assertEquals(2, Google_Utils::getStrLen(" 1"));
     $this->assertEquals(7, Google_Utils::getStrLen("0a\\n\n\r\n"));
 }

 /**
  * Creates a signed JWT.
  * @param array $payload
  * @return string The signed JWT.
  */
 private function makeSignedJwt($payload)
 {
     $header = array('typ' => 'JWT', 'alg' => 'RS256');
     $segments = array(Google_Utils::urlSafeB64Encode(json_encode($header)), Google_Utils::urlSafeB64Encode(json_encode($payload)));
     $signingInput = implode('.', $segments);
     $signer = new Google_P12Signer($this->privateKey, $this->privateKeyPassword);
     $signature = $signer->sign($signingInput);
     $segments[] = Google_Utils::urlSafeB64Encode($signature);
     return implode(".", $segments);
 }

 private function makeSignedJwt($payload)
 {
     $header = array("typ" => "JWT", "alg" => "RS256");
     $segments = array();
     $segments[] = Google_Utils::urlSafeB64Encode(json_encode($header));
     $segments[] = Google_Utils::urlSafeB64Encode(json_encode($payload));
     $signing_input = implode(".", $segments);
     $signature = $this->signer->sign($signing_input);
     $segments[] = Google_Utils::urlSafeB64Encode($signature);
     return implode(".", $segments);
 }

 /**
  * Set current attribute to entry (for specified product)
  *
  * @param Mage_Catalog_Model_Product $product
  * @param Google_Service_ShoppingContent_Product $shoppingProduct
  * @return Google_Service_ShoppingContent_Product
  */
 public function convertAttribute($product, $shoppingProduct)
 {
     if (is_null($this->getName())) {
         return $shoppingProduct;
     }
     $productAttribute = Mage::helper('googleshoppingapi/product')->getProductAttribute($product, $this->getAttributeId());
     $type = $this->getGcontentAttributeType($productAttribute);
     $value = $this->getProductAttributeValue($product);
     if (!is_null($value)) {
         $name = Google_Utils::camelCase($this->getName());
         $shoppingProduct->offsetSet($name, $value);
     }
     return $shoppingProduct;
 }

 /**
  * Initialize this object's properties from an array.
  *
  * @param array $array Used to seed this object's properties.
  * @return void
  */
 protected function mapTypes($array)
 {
     // Hard initilise simple types, lazy load more complex ones.
     foreach ($array as $key => $val) {
         if (!property_exists($this, $this->keyType($key)) && property_exists($this, $key)) {
             $this->{$key} = $val;
             unset($array[$key]);
         } elseif (property_exists($this, $camelKey = Google_Utils::camelCase($key))) {
             // This checks if property exists as camelCase, leaving it in array as snake_case
             // in case of backwards compatibility issues.
             $this->{$camelKey} = $val;
         }
     }
     $this->modelData = $array;
 }

 /**
  * Most of the logic for ID token validation is in AuthTest - 
  * this is just a general check to ensure we verify a valid
  * id token if one exists.
  */
 public function testValidateIdToken()
 {
     if (!$this->checkToken()) {
         return;
     }
     $client = $this->getClient();
     $token = json_decode($client->getAccessToken());
     $segments = explode(".", $token->id_token);
     $this->assertEquals(3, count($segments));
     // Extract the client ID in this case as it wont be set on the test client.
     $data = json_decode(Google_Utils::urlSafeB64Decode($segments[1]));
     $oauth = new Google_Auth_OAuth2($client);
     $this->assertInstanceOf("Google_Auth_LoginTicket", $oauth->verifyIdToken($token->id_token, $data->aud));
     // TODO(ianbarber): Need to be smart about testing/disabling the
     // caching for this test to make sense. Not sure how to do that
     // at the moment.
     $client = $this->getClient();
     $client->setIo(new Google_IO_Stream($client));
     $data = json_decode(Google_Utils::urlSafeB64Decode($segments[1]));
     $oauth = new Google_Auth_OAuth2($client);
     $this->assertInstanceOf("Google_Auth_LoginTicket", $oauth->verifyIdToken($token->id_token, $data->aud));
 }

 function verifySignedJwtWithCerts($jwt, $certs, $required_audience)
 {
     $segments = explode(".", $jwt);
     if (count($segments) != 3) {
         throw new Google_AuthException("Wrong number of segments in token: {$jwt}");
     }
     $signed = $segments[0] . "." . $segments[1];
     $signature = Google_Utils::urlSafeB64Decode($segments[2]);
     // Parse envelope.
     $envelope = json_decode(Google_Utils::urlSafeB64Decode($segments[0]), true);
     if (!$envelope) {
         throw new Google_AuthException("Can't parse token envelope: " . $segments[0]);
     }
     // Parse token
     $json_body = Google_Utils::urlSafeB64Decode($segments[1]);
     $payload = json_decode($json_body, true);
     if (!$payload) {
         throw new Google_AuthException("Can't parse token payload: " . $segments[1]);
     }
     // Check signature
     $verified = false;
     foreach ($certs as $keyName => $pem) {
         $public_key = new googlePemVerifier($pem);
         if ($public_key->verify($signed, $signature)) {
             $verified = true;
             break;
         }
     }
     if (!$verified) {
         throw new Google_AuthException("Invalid token signature: {$jwt}");
     }
     // Check issued-at timestamp
     $iat = 0;
     if (array_key_exists("iat", $payload)) {
         $iat = $payload["iat"];
     }
     if (!$iat) {
         throw new Google_AuthException("No issue time in token: {$json_body}");
     }
     $earliest = $iat - self::CLOCK_SKEW_SECS;
     // Check expiration timestamp
     $now = time();
     $exp = 0;
     if (array_key_exists("exp", $payload)) {
         $exp = $payload["exp"];
     }
     if (!$exp) {
         throw new Google_AuthException("No expiration time in token: {$json_body}");
     }
     if ($exp >= $now + self::MAX_TOKEN_LIFETIME_SECS) {
         throw new Google_AuthException("Expiration time too far in future: {$json_body}");
     }
     $latest = $exp + self::CLOCK_SKEW_SECS;
     if ($now < $earliest) {
         throw new Google_AuthException("Token used too early, {$now} < {$earliest}: {$json_body}");
     }
     if ($now > $latest) {
         throw new Google_AuthException("Token used too late, {$now} > {$latest}: {$json_body}");
     }
     // TODO(beaton): check issuer field?
     // Check audience
     $aud = $payload["aud"];
     if ($aud != $required_audience) {
         throw new Google_AuthException("Wrong recipient, {$aud} != {$required_audience}: {$json_body}");
     }
     // All good.
     return new Google_LoginTicket($envelope, $payload);
 }

 private function getResumeUri()
 {
     $result = null;
     $body = $this->request->getPostBody();
     if ($body) {
         $headers = array('content-type' => 'application/json; charset=UTF-8', 'content-length' => Google_Utils::getStrLen($body), 'x-upload-content-type' => $this->mimeType, 'x-upload-content-length' => $this->size, 'expect' => '');
         $this->request->setRequestHeaders($headers);
     }
     $response = $this->client->getIo()->makeRequest($this->request);
     $location = $response->getResponseHeader('location');
     $code = $response->getResponseHttpCode();
     if (200 == $code && true == $location) {
         return $location;
     }
     $message = $code;
     $body = @json_decode($response->getResponseBody());
     if (!empty($body->error->errors)) {
         $message .= ': ';
         foreach ($body->error->errors as $error) {
             $message .= "{$error->domain}, {$error->message};";
         }
         $message = rtrim($message, ';');
     }
     $error = "Failed to start the resumable upload (HTTP {$message})";
     $this->client->getLogger()->error($error);
     throw new Google_Exception($error);
 }

 /**
  * Creates a signed JWT.
  * @param array $payload
  * @return string The signed JWT.
  */
 private function makeSignedJwt($payload)
 {
     $header = array('typ' => 'JWT', 'alg' => 'RS256');
     $payload = json_encode($payload);
     // Handle some overzealous escaping in PHP json that seemed to cause some errors
     // with claimsets.
     $payload = str_replace('\\/', '/', $payload);
     $segments = array(Google_Utils::urlSafeB64Encode(json_encode($header)), Google_Utils::urlSafeB64Encode($payload));
     $signingInput = implode('.', $segments);
     $signer = new Google_Signer_P12($this->privateKey, $this->privateKeyPassword);
     $signature = $signer->sign($signingInput);
     $segments[] = Google_Utils::urlSafeB64Encode($signature);
     return implode(".", $segments);
 }

 /**
  * Verifies the id token, returns the verified token contents.
  *
  * @param $jwt string the token
  * @param $certs array of certificates
  * @param $required_audience string the expected consumer of the token
  * @param [$issuer] the expected issues, defaults to Google
  * @param [$max_expiry] the max lifetime of a token, defaults to MAX_TOKEN_LIFETIME_SECS
  * @throws Google_Auth_Exception
  * @return mixed token information if valid, false if not
  */
 public function verifySignedJwtWithCerts($jwt, $certs, $required_audience, $issuer = null, $max_expiry = null)
 {
     if (!$max_expiry) {
         // Set the maximum time we will accept a token for.
         $max_expiry = self::MAX_TOKEN_LIFETIME_SECS;
     }
     $segments = explode(".", $jwt);
     if (count($segments) != 3) {
         throw new Google_Auth_Exception("Wrong number of segments in token: {$jwt}");
     }
     $signed = $segments[0] . "." . $segments[1];
     $signature = Google_Utils::urlSafeB64Decode($segments[2]);
     // Parse envelope.
     $envelope = json_decode(Google_Utils::urlSafeB64Decode($segments[0]), true);
     if (!$envelope) {
         throw new Google_Auth_Exception("Can't parse token envelope: " . $segments[0]);
     }
     // Parse token
     $json_body = Google_Utils::urlSafeB64Decode($segments[1]);
     $payload = json_decode($json_body, true);
     if (!$payload) {
         throw new Google_Auth_Exception("Can't parse token payload: " . $segments[1]);
     }
     // Check signature
     $verified = false;
     foreach ($certs as $keyName => $pem) {
         $public_key = new Google_Verifier_Pem($pem);
         if ($public_key->verify($signed, $signature)) {
             $verified = true;
             break;
         }
     }
     if (!$verified) {
         throw new Google_Auth_Exception("Invalid token signature: {$jwt}");
     }
     // Check issued-at timestamp
     $iat = 0;
     if (array_key_exists("iat", $payload)) {
         $iat = $payload["iat"];
     }
     if (!$iat) {
         throw new Google_Auth_Exception("No issue time in token: {$json_body}");
     }
     $earliest = $iat - self::CLOCK_SKEW_SECS;
     // Check expiration timestamp
     $now = time();
     $exp = 0;
     if (array_key_exists("exp", $payload)) {
         $exp = $payload["exp"];
     }
     if (!$exp) {
         throw new Google_Auth_Exception("No expiration time in token: {$json_body}");
     }
     if ($exp >= $now + $max_expiry) {
         throw new Google_Auth_Exception(sprintf("Expiration time too far in future: %s", $json_body));
     }
     $latest = $exp + self::CLOCK_SKEW_SECS;
     if ($now < $earliest) {
         throw new Google_Auth_Exception(sprintf("Token used too early, %s < %s: %s", $now, $earliest, $json_body));
     }
     if ($now > $latest) {
         throw new Google_Auth_Exception(sprintf("Token used too late, %s > %s: %s", $now, $latest, $json_body));
     }
     $iss = $payload['iss'];
     if ($issuer && $iss != $issuer) {
         throw new Google_Auth_Exception(sprintf("Invalid issuer, %s != %s: %s", $iss, $issuer, $json_body));
     }
     // Check audience
     $aud = $payload["aud"];
     if ($aud != $required_audience) {
         throw new Google_Auth_Exception(sprintf("Wrong recipient, %s != %s:", $aud, $required_audience, $json_body));
     }
     // All good.
     return new Google_Auth_LoginTicket($envelope, $payload);
 }

 /**
  * Invokes the UploadAccount API.
  *
  * @param string $hashAlgorithm password hash algorithm. See Gitkit doc for
  *                              supported names.
  * @param string $hashKey raw key for the algorithm
  * @param array $accounts array of account info to be uploaded
  */
 public function uploadAccount($hashAlgorithm, $hashKey, $accounts)
 {
     $data = array('hashAlgorithm' => $hashAlgorithm, 'signerKey' => Google_Utils::urlSafeB64Encode($hashKey), 'users' => $accounts);
     $this->invokeGitkitApiWithServiceAccount('uploadAccount', $data);
 }

 /**
  * Invokes the UploadAccount API.
  *
  * @param string $hashAlgorithm password hash algorithm. See Gitkit doc for
  *                              supported names.
  * @param string $hashKey raw key for the algorithm
  * @param array $accounts array of account info to be uploaded
  * @param null|int $rounds Rounds of the hash function
  * @param null|int $memoryCost Memory cost of the hash function
  */
 public function uploadAccount($hashAlgorithm, $hashKey, $accounts, $rounds, $memoryCost)
 {
     $data = array('hashAlgorithm' => $hashAlgorithm, 'signerKey' => Google_Utils::urlSafeB64Encode($hashKey), 'users' => $accounts);
     if ($rounds) {
         $data['rounds'] = $rounds;
     }
     if ($memoryCost) {
         $data['memoryCost'] = $memoryCost;
     }
     $this->invokeGitkitApiWithServiceAccount('uploadAccount', $data);
 }

 /**
  * Converts Gitkit account array to json request.
  *
  * @param array $accounts Gitkit account array
  * @return array json request
  */
 private function toJsonRequest($accounts)
 {
     $jsonUsers = array();
     foreach ($accounts as $account) {
         $user = array('email' => $account->getEmail(), 'localId' => $account->getUserId(), 'passwordHash' => Google_Utils::urlSafeB64Encode($account->getPasswordHash()), 'salt' => Google_Utils::urlSafeB64Encode($account->getSalt()));
         array_push($jsonUsers, $user);
     }
     return $jsonUsers;
 }

 private function getResumeUri()
 {
     $result = null;
     $body = $this->request->getPostBody();
     if ($body) {
         $headers = array('content-type' => 'application/json; charset=UTF-8', 'content-length' => Google_Utils::getStrLen($body), 'x-upload-content-type' => $this->mimeType, 'x-upload-content-length' => $this->size, 'expect' => '');
         $this->request->setRequestHeaders($headers);
     }
     $response = $this->client->getIo()->makeRequest($this->request);
     $location = $response->getResponseHeader('location');
     $code = $response->getResponseHttpCode();
     if (200 == $code && true == $location) {
         return $location;
     }
     throw new Google_Exception("Failed to start the resumable upload");
 }

 /**
  * @param $name
  * @param $arguments
  * @return Google_HttpRequest|array
  * @throws Google_Exception
  */
 public function __call($name, $arguments)
 {
     if (!isset($this->methods[$name])) {
         throw new Google_Exception("Unknown function: {$this->serviceName}->{$this->resourceName}->{$name}()");
     }
     $method = $this->methods[$name];
     $parameters = $arguments[0];
     // postBody is a special case since it's not defined in the discovery document as parameter, but we abuse the param entry for storing it
     $postBody = null;
     if (isset($parameters['postBody'])) {
         if (is_object($parameters['postBody'])) {
             $this->stripNull($parameters['postBody']);
         }
         // Some APIs require the postBody to be set under the data key.
         if (is_array($parameters['postBody']) && 'latitude' == $this->serviceName) {
             if (!isset($parameters['postBody']['data'])) {
                 $rawBody = $parameters['postBody'];
                 unset($parameters['postBody']);
                 $parameters['postBody']['data'] = $rawBody;
             }
         }
         $postBody = is_array($parameters['postBody']) || is_object($parameters['postBody']) ? json_encode($parameters['postBody']) : $parameters['postBody'];
         unset($parameters['postBody']);
         if (isset($parameters['optParams'])) {
             $optParams = $parameters['optParams'];
             unset($parameters['optParams']);
             $parameters = array_merge($parameters, $optParams);
         }
     }
     if (!isset($method['parameters'])) {
         $method['parameters'] = array();
     }
     $method['parameters'] = array_merge($method['parameters'], $this->stackParameters);
     foreach ($parameters as $key => $val) {
         if ($key != 'postBody' && !isset($method['parameters'][$key])) {
             throw new Google_Exception("({$name}) unknown parameter: '{$key}'");
         }
     }
     if (isset($method['parameters'])) {
         foreach ($method['parameters'] as $paramName => $paramSpec) {
             if (isset($paramSpec['required']) && $paramSpec['required'] && !isset($parameters[$paramName])) {
                 throw new Google_Exception("({$name}) missing required param: '{$paramName}'");
             }
             if (isset($parameters[$paramName])) {
                 $value = $parameters[$paramName];
                 $parameters[$paramName] = $paramSpec;
                 $parameters[$paramName]['value'] = $value;
                 unset($parameters[$paramName]['required']);
             } else {
                 unset($parameters[$paramName]);
             }
         }
     }
     // Discovery v1.0 puts the canonical method id under the 'id' field.
     if (!isset($method['id'])) {
         $method['id'] = $method['rpcMethod'];
     }
     // Discovery v1.0 puts the canonical path under the 'path' field.
     if (!isset($method['path'])) {
         $method['path'] = $method['restPath'];
     }
     $servicePath = $this->service->servicePath;
     // Process Media Request
     $contentType = false;
     if (isset($method['mediaUpload'])) {
         $media = Google_MediaFileUpload::process($postBody, $parameters);
         if ($media) {
             $contentType = isset($media['content-type']) ? $media['content-type'] : null;
             $postBody = isset($media['postBody']) ? $media['postBody'] : null;
             $servicePath = $method['mediaUpload']['protocols']['simple']['path'];
             $method['path'] = '';
         }
     }
     $url = Google_REST::createRequestUri($servicePath, $method['path'], $parameters);
     $httpRequest = new Google_HttpRequest($url, $method['httpMethod'], null, $postBody);
     if ($postBody) {
         $contentTypeHeader = array();
         if (isset($contentType) && $contentType) {
             $contentTypeHeader['content-type'] = $contentType;
         } else {
             $contentTypeHeader['content-type'] = 'application/json; charset=UTF-8';
             $contentTypeHeader['content-length'] = Google_Utils::getStrLen($postBody);
         }
         $httpRequest->setRequestHeaders($contentTypeHeader);
     }
     $httpRequest = Google_Client::$auth->sign($httpRequest);
     if (Google_Client::$useBatch) {
         return $httpRequest;
     }
     // Terminate immediatly if this is a resumable request.
     if (isset($parameters['uploadType']['value']) && 'resumable' == $parameters['uploadType']['value']) {
         return $httpRequest;
     }
     return Google_REST::execute($httpRequest);
//.........这里部分代码省略.........

 /**
  * @param array $headers The HTTP request headers
  * to be set and normalized.
  */
 public function setRequestHeaders($headers)
 {
     $headers = Google_Utils::normalize($headers);
     if ($this->requestHeaders) {
         $headers = array_merge($this->requestHeaders, $headers);
     }
     $this->requestHeaders = $headers;
 }

 public function makeSignedJwt($payload, $cred)
 {
     $header = array("typ" => "JWT", "alg" => "RS256");
     $segments = array();
     $segments[] = Google_Utils::urlSafeB64Encode(json_encode($header));
     $segments[] = Google_Utils::urlSafeB64Encode(json_encode($payload));
     $signing_input = implode(".", $segments);
     $signer = new Google_Signer_P12($cred->privateKey, $cred->privateKeyPassword);
     $signature = $signer->sign($signing_input);
     $segments[] = Google_Utils::urlSafeB64Encode($signature);
     return implode(".", $segments);
 }