AppIdentityCredentials.php
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ExternalAccountCredentials.php
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GCECredentials.php
6 months ago
IAMCredentials.php
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ImpersonatedServiceAccountCredentials.php
6 months ago
InsecureCredentials.php
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ServiceAccountCredentials.php
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ServiceAccountJwtAccessCredentials.php
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UserRefreshCredentials.php
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GCECredentials.php
623 lines
| 1 | <?php |
| 2 | /* |
| 3 | * Copyright 2015 Google Inc. |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | namespace AmeliaVendor\Google\Auth\Credentials; |
| 19 | |
| 20 | use AmeliaVendor\Google\Auth\CredentialsLoader; |
| 21 | use AmeliaVendor\Google\Auth\GetQuotaProjectInterface; |
| 22 | use AmeliaVendor\Google\Auth\HttpHandler\HttpClientCache; |
| 23 | use AmeliaVendor\Google\Auth\HttpHandler\HttpHandlerFactory; |
| 24 | use AmeliaVendor\Google\Auth\Iam; |
| 25 | use AmeliaVendor\Google\Auth\IamSignerTrait; |
| 26 | use AmeliaVendor\Google\Auth\ProjectIdProviderInterface; |
| 27 | use AmeliaVendor\Google\Auth\SignBlobInterface; |
| 28 | use AmeliaVendor\GuzzleHttp\Exception\ClientException; |
| 29 | use AmeliaVendor\GuzzleHttp\Exception\ConnectException; |
| 30 | use AmeliaVendor\GuzzleHttp\Exception\RequestException; |
| 31 | use AmeliaVendor\GuzzleHttp\Exception\ServerException; |
| 32 | use AmeliaVendor\GuzzleHttp\Psr7\Request; |
| 33 | use InvalidArgumentException; |
| 34 | |
| 35 | /** |
| 36 | * GCECredentials supports authorization on Google Compute Engine. |
| 37 | * |
| 38 | * It can be used to authorize requests using the AuthTokenMiddleware, but will |
| 39 | * only succeed if being run on GCE: |
| 40 | * |
| 41 | * use AmeliaVendor\Google\Auth\Credentials\GCECredentials; |
| 42 | * use AmeliaVendor\Google\Auth\Middleware\AuthTokenMiddleware; |
| 43 | * use AmeliaVendor\GuzzleHttp\Client; |
| 44 | * use AmeliaVendor\GuzzleHttp\HandlerStack; |
| 45 | * |
| 46 | * $gce = new GCECredentials(); |
| 47 | * $middleware = new AuthTokenMiddleware($gce); |
| 48 | * $stack = HandlerStack::create(); |
| 49 | * $stack->push($middleware); |
| 50 | * |
| 51 | * $client = new Client([ |
| 52 | * 'handler' => $stack, |
| 53 | * 'base_uri' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/', |
| 54 | * 'auth' => 'google_auth' |
| 55 | * ]); |
| 56 | * |
| 57 | * $res = $client->get('myproject/taskqueues/myqueue'); |
| 58 | */ |
| 59 | class GCECredentials extends CredentialsLoader implements |
| 60 | SignBlobInterface, |
| 61 | ProjectIdProviderInterface, |
| 62 | GetQuotaProjectInterface |
| 63 | { |
| 64 | use IamSignerTrait; |
| 65 | |
| 66 | // phpcs:disable |
| 67 | const cacheKey = 'GOOGLE_AUTH_PHP_GCE'; |
| 68 | // phpcs:enable |
| 69 | |
| 70 | /** |
| 71 | * The metadata IP address on appengine instances. |
| 72 | * |
| 73 | * The IP is used instead of the domain 'metadata' to avoid slow responses |
| 74 | * when not on Compute Engine. |
| 75 | */ |
| 76 | const METADATA_IP = '169.254.169.254'; |
| 77 | |
| 78 | /** |
| 79 | * The metadata path of the default token. |
| 80 | */ |
| 81 | const TOKEN_URI_PATH = 'v1/instance/service-accounts/default/token'; |
| 82 | |
| 83 | /** |
| 84 | * The metadata path of the default id token. |
| 85 | */ |
| 86 | const ID_TOKEN_URI_PATH = 'v1/instance/service-accounts/default/identity'; |
| 87 | |
| 88 | /** |
| 89 | * The metadata path of the client ID. |
| 90 | */ |
| 91 | const CLIENT_ID_URI_PATH = 'v1/instance/service-accounts/default/email'; |
| 92 | |
| 93 | /** |
| 94 | * The metadata path of the project ID. |
| 95 | */ |
| 96 | const PROJECT_ID_URI_PATH = 'v1/project/project-id'; |
| 97 | |
| 98 | /** |
| 99 | * The metadata path of the project ID. |
| 100 | */ |
| 101 | const UNIVERSE_DOMAIN_URI_PATH = 'v1/universe/universe_domain'; |
| 102 | |
| 103 | /** |
| 104 | * The header whose presence indicates GCE presence. |
| 105 | */ |
| 106 | const FLAVOR_HEADER = 'Metadata-Flavor'; |
| 107 | |
| 108 | /** |
| 109 | * The Linux file which contains the product name. |
| 110 | */ |
| 111 | private const GKE_PRODUCT_NAME_FILE = '/sys/class/dmi/id/product_name'; |
| 112 | |
| 113 | /** |
| 114 | * Note: the explicit `timeout` and `tries` below is a workaround. The underlying |
| 115 | * issue is that resolving an unknown host on some networks will take |
| 116 | * 20-30 seconds; making this timeout short fixes the issue, but |
| 117 | * could lead to false negatives in the event that we are on GCE, but |
| 118 | * the metadata resolution was particularly slow. The latter case is |
| 119 | * "unlikely" since the expected 4-nines time is about 0.5 seconds. |
| 120 | * This allows us to limit the total ping maximum timeout to 1.5 seconds |
| 121 | * for developer desktop scenarios. |
| 122 | */ |
| 123 | const MAX_COMPUTE_PING_TRIES = 3; |
| 124 | const COMPUTE_PING_CONNECTION_TIMEOUT_S = 0.5; |
| 125 | |
| 126 | /** |
| 127 | * Flag used to ensure that the onGCE test is only done once;. |
| 128 | * |
| 129 | * @var bool |
| 130 | */ |
| 131 | private $hasCheckedOnGce = false; |
| 132 | |
| 133 | /** |
| 134 | * Flag that stores the value of the onGCE check. |
| 135 | * |
| 136 | * @var bool |
| 137 | */ |
| 138 | private $isOnGce = false; |
| 139 | |
| 140 | /** |
| 141 | * Result of fetchAuthToken. |
| 142 | * |
| 143 | * @var array<mixed> |
| 144 | */ |
| 145 | protected $lastReceivedToken; |
| 146 | |
| 147 | /** |
| 148 | * @var string|null |
| 149 | */ |
| 150 | private $clientName; |
| 151 | |
| 152 | /** |
| 153 | * @var string|null |
| 154 | */ |
| 155 | private $projectId; |
| 156 | |
| 157 | /** |
| 158 | * @var string |
| 159 | */ |
| 160 | private $tokenUri; |
| 161 | |
| 162 | /** |
| 163 | * @var string |
| 164 | */ |
| 165 | private $targetAudience; |
| 166 | |
| 167 | /** |
| 168 | * @var string|null |
| 169 | */ |
| 170 | private $quotaProject; |
| 171 | |
| 172 | /** |
| 173 | * @var string|null |
| 174 | */ |
| 175 | private $serviceAccountIdentity; |
| 176 | |
| 177 | /** |
| 178 | * @var string |
| 179 | */ |
| 180 | private ?string $universeDomain; |
| 181 | |
| 182 | /** |
| 183 | * @param Iam $iam [optional] An IAM instance. |
| 184 | * @param string|string[] $scope [optional] the scope of the access request, |
| 185 | * expressed either as an array or as a space-delimited string. |
| 186 | * @param string $targetAudience [optional] The audience for the ID token. |
| 187 | * @param string $quotaProject [optional] Specifies a project to bill for access |
| 188 | * charges associated with the request. |
| 189 | * @param string $serviceAccountIdentity [optional] Specify a service |
| 190 | * account identity name to use instead of "default". |
| 191 | * @param string $universeDomain [optional] Specify a universe domain to use |
| 192 | * instead of fetching one from the metadata server. |
| 193 | */ |
| 194 | public function __construct( |
| 195 | ?Iam $iam = null, |
| 196 | $scope = null, |
| 197 | $targetAudience = null, |
| 198 | $quotaProject = null, |
| 199 | $serviceAccountIdentity = null, |
| 200 | ?string $universeDomain = null |
| 201 | ) { |
| 202 | $this->iam = $iam; |
| 203 | |
| 204 | if ($scope && $targetAudience) { |
| 205 | throw new InvalidArgumentException( |
| 206 | 'Scope and targetAudience cannot both be supplied' |
| 207 | ); |
| 208 | } |
| 209 | |
| 210 | $tokenUri = self::getTokenUri($serviceAccountIdentity); |
| 211 | if ($scope) { |
| 212 | if (is_string($scope)) { |
| 213 | $scope = explode(' ', $scope); |
| 214 | } |
| 215 | |
| 216 | $scope = implode(',', $scope); |
| 217 | |
| 218 | $tokenUri = $tokenUri . '?scopes=' . $scope; |
| 219 | } elseif ($targetAudience) { |
| 220 | $tokenUri = self::getIdTokenUri($serviceAccountIdentity); |
| 221 | $tokenUri = $tokenUri . '?audience=' . $targetAudience; |
| 222 | $this->targetAudience = $targetAudience; |
| 223 | } |
| 224 | |
| 225 | $this->tokenUri = $tokenUri; |
| 226 | $this->quotaProject = $quotaProject; |
| 227 | $this->serviceAccountIdentity = $serviceAccountIdentity; |
| 228 | $this->universeDomain = $universeDomain; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * The full uri for accessing the default token. |
| 233 | * |
| 234 | * @param string $serviceAccountIdentity [optional] Specify a service |
| 235 | * account identity name to use instead of "default". |
| 236 | * @return string |
| 237 | */ |
| 238 | public static function getTokenUri($serviceAccountIdentity = null) |
| 239 | { |
| 240 | $base = 'http://' . self::METADATA_IP . '/computeMetadata/'; |
| 241 | $base .= self::TOKEN_URI_PATH; |
| 242 | |
| 243 | if ($serviceAccountIdentity) { |
| 244 | return str_replace( |
| 245 | '/default/', |
| 246 | '/' . $serviceAccountIdentity . '/', |
| 247 | $base |
| 248 | ); |
| 249 | } |
| 250 | return $base; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * The full uri for accessing the default service account. |
| 255 | * |
| 256 | * @param string $serviceAccountIdentity [optional] Specify a service |
| 257 | * account identity name to use instead of "default". |
| 258 | * @return string |
| 259 | */ |
| 260 | public static function getClientNameUri($serviceAccountIdentity = null) |
| 261 | { |
| 262 | $base = 'http://' . self::METADATA_IP . '/computeMetadata/'; |
| 263 | $base .= self::CLIENT_ID_URI_PATH; |
| 264 | |
| 265 | if ($serviceAccountIdentity) { |
| 266 | return str_replace( |
| 267 | '/default/', |
| 268 | '/' . $serviceAccountIdentity . '/', |
| 269 | $base |
| 270 | ); |
| 271 | } |
| 272 | |
| 273 | return $base; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * The full uri for accesesing the default identity token. |
| 278 | * |
| 279 | * @param string $serviceAccountIdentity [optional] Specify a service |
| 280 | * account identity name to use instead of "default". |
| 281 | * @return string |
| 282 | */ |
| 283 | private static function getIdTokenUri($serviceAccountIdentity = null) |
| 284 | { |
| 285 | $base = 'http://' . self::METADATA_IP . '/computeMetadata/'; |
| 286 | $base .= self::ID_TOKEN_URI_PATH; |
| 287 | |
| 288 | if ($serviceAccountIdentity) { |
| 289 | return str_replace( |
| 290 | '/default/', |
| 291 | '/' . $serviceAccountIdentity . '/', |
| 292 | $base |
| 293 | ); |
| 294 | } |
| 295 | |
| 296 | return $base; |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * The full uri for accessing the default project ID. |
| 301 | * |
| 302 | * @return string |
| 303 | */ |
| 304 | private static function getProjectIdUri() |
| 305 | { |
| 306 | $base = 'http://' . self::METADATA_IP . '/computeMetadata/'; |
| 307 | |
| 308 | return $base . self::PROJECT_ID_URI_PATH; |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * The full uri for accessing the default universe domain. |
| 313 | * |
| 314 | * @return string |
| 315 | */ |
| 316 | private static function getUniverseDomainUri() |
| 317 | { |
| 318 | $base = 'http://' . self::METADATA_IP . '/computeMetadata/'; |
| 319 | |
| 320 | return $base . self::UNIVERSE_DOMAIN_URI_PATH; |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * Determines if this an App Engine Flexible instance, by accessing the |
| 325 | * GAE_INSTANCE environment variable. |
| 326 | * |
| 327 | * @return bool true if this an App Engine Flexible Instance, false otherwise |
| 328 | */ |
| 329 | public static function onAppEngineFlexible() |
| 330 | { |
| 331 | return substr((string) getenv('GAE_INSTANCE'), 0, 4) === 'aef-'; |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Determines if this a GCE instance, by accessing the expected metadata |
| 336 | * host. |
| 337 | * If $httpHandler is not specified a the default HttpHandler is used. |
| 338 | * |
| 339 | * @param callable $httpHandler callback which delivers psr7 request |
| 340 | * @return bool True if this a GCEInstance, false otherwise |
| 341 | */ |
| 342 | public static function onGce(?callable $httpHandler = null) |
| 343 | { |
| 344 | $httpHandler = $httpHandler |
| 345 | ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient()); |
| 346 | |
| 347 | $checkUri = 'http://' . self::METADATA_IP; |
| 348 | for ($i = 1; $i <= self::MAX_COMPUTE_PING_TRIES; $i++) { |
| 349 | try { |
| 350 | // Comment from: oauth2client/client.py |
| 351 | // |
| 352 | // Note: the explicit `timeout` below is a workaround. The underlying |
| 353 | // issue is that resolving an unknown host on some networks will take |
| 354 | // 20-30 seconds; making this timeout short fixes the issue, but |
| 355 | // could lead to false negatives in the event that we are on GCE, but |
| 356 | // the metadata resolution was particularly slow. The latter case is |
| 357 | // "unlikely". |
| 358 | $resp = $httpHandler( |
| 359 | new Request( |
| 360 | 'GET', |
| 361 | $checkUri, |
| 362 | [self::FLAVOR_HEADER => 'AmeliaVendor\Google'] |
| 363 | ), |
| 364 | ['timeout' => self::COMPUTE_PING_CONNECTION_TIMEOUT_S] |
| 365 | ); |
| 366 | |
| 367 | return $resp->getHeaderLine(self::FLAVOR_HEADER) == 'AmeliaVendor\Google'; |
| 368 | } catch (ClientException $e) { |
| 369 | } catch (ServerException $e) { |
| 370 | } catch (RequestException $e) { |
| 371 | } catch (ConnectException $e) { |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | if (PHP_OS === 'Windows') { |
| 376 | // @TODO: implement GCE residency detection on Windows |
| 377 | return false; |
| 378 | } |
| 379 | |
| 380 | // Detect GCE residency on Linux |
| 381 | return self::detectResidencyLinux(self::GKE_PRODUCT_NAME_FILE); |
| 382 | } |
| 383 | |
| 384 | private static function detectResidencyLinux(string $productNameFile): bool |
| 385 | { |
| 386 | if (file_exists($productNameFile)) { |
| 387 | $productName = trim((string) file_get_contents($productNameFile)); |
| 388 | return 0 === strpos($productName, 'AmeliaVendor\Google'); |
| 389 | } |
| 390 | return false; |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * Implements FetchAuthTokenInterface#fetchAuthToken. |
| 395 | * |
| 396 | * Fetches the auth tokens from the GCE metadata host if it is available. |
| 397 | * If $httpHandler is not specified a the default HttpHandler is used. |
| 398 | * |
| 399 | * @param callable $httpHandler callback which delivers psr7 request |
| 400 | * |
| 401 | * @return array<mixed> { |
| 402 | * A set of auth related metadata, based on the token type. |
| 403 | * |
| 404 | * @type string $access_token for access tokens |
| 405 | * @type int $expires_in for access tokens |
| 406 | * @type string $token_type for access tokens |
| 407 | * @type string $id_token for ID tokens |
| 408 | * } |
| 409 | * @throws \Exception |
| 410 | */ |
| 411 | public function fetchAuthToken(?callable $httpHandler = null) |
| 412 | { |
| 413 | $httpHandler = $httpHandler |
| 414 | ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient()); |
| 415 | |
| 416 | if (!$this->hasCheckedOnGce) { |
| 417 | $this->isOnGce = self::onGce($httpHandler); |
| 418 | $this->hasCheckedOnGce = true; |
| 419 | } |
| 420 | if (!$this->isOnGce) { |
| 421 | return []; // return an empty array with no access token |
| 422 | } |
| 423 | |
| 424 | $response = $this->getFromMetadata($httpHandler, $this->tokenUri); |
| 425 | |
| 426 | if ($this->targetAudience) { |
| 427 | return $this->lastReceivedToken = ['id_token' => $response]; |
| 428 | } |
| 429 | |
| 430 | if (null === $json = json_decode($response, true)) { |
| 431 | throw new \Exception('Invalid JSON response'); |
| 432 | } |
| 433 | |
| 434 | $json['expires_at'] = time() + $json['expires_in']; |
| 435 | |
| 436 | // store this so we can retrieve it later |
| 437 | $this->lastReceivedToken = $json; |
| 438 | |
| 439 | return $json; |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * @return string |
| 444 | */ |
| 445 | public function getCacheKey() |
| 446 | { |
| 447 | return self::cacheKey; |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * @return array<mixed>|null |
| 452 | */ |
| 453 | public function getLastReceivedToken() |
| 454 | { |
| 455 | if ($this->lastReceivedToken) { |
| 456 | if (array_key_exists('id_token', $this->lastReceivedToken)) { |
| 457 | return $this->lastReceivedToken; |
| 458 | } |
| 459 | |
| 460 | return [ |
| 461 | 'access_token' => $this->lastReceivedToken['access_token'], |
| 462 | 'expires_at' => $this->lastReceivedToken['expires_at'] |
| 463 | ]; |
| 464 | } |
| 465 | |
| 466 | return null; |
| 467 | } |
| 468 | |
| 469 | /** |
| 470 | * Get the client name from GCE metadata. |
| 471 | * |
| 472 | * Subsequent calls will return a cached value. |
| 473 | * |
| 474 | * @param callable $httpHandler callback which delivers psr7 request |
| 475 | * @return string |
| 476 | */ |
| 477 | public function getClientName(?callable $httpHandler = null) |
| 478 | { |
| 479 | if ($this->clientName) { |
| 480 | return $this->clientName; |
| 481 | } |
| 482 | |
| 483 | $httpHandler = $httpHandler |
| 484 | ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient()); |
| 485 | |
| 486 | if (!$this->hasCheckedOnGce) { |
| 487 | $this->isOnGce = self::onGce($httpHandler); |
| 488 | $this->hasCheckedOnGce = true; |
| 489 | } |
| 490 | |
| 491 | if (!$this->isOnGce) { |
| 492 | return ''; |
| 493 | } |
| 494 | |
| 495 | $this->clientName = $this->getFromMetadata( |
| 496 | $httpHandler, |
| 497 | self::getClientNameUri($this->serviceAccountIdentity) |
| 498 | ); |
| 499 | |
| 500 | return $this->clientName; |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * Fetch the default Project ID from compute engine. |
| 505 | * |
| 506 | * Returns null if called outside GCE. |
| 507 | * |
| 508 | * @param callable $httpHandler Callback which delivers psr7 request |
| 509 | * @return string|null |
| 510 | */ |
| 511 | public function getProjectId(?callable $httpHandler = null) |
| 512 | { |
| 513 | if ($this->projectId) { |
| 514 | return $this->projectId; |
| 515 | } |
| 516 | |
| 517 | $httpHandler = $httpHandler |
| 518 | ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient()); |
| 519 | |
| 520 | if (!$this->hasCheckedOnGce) { |
| 521 | $this->isOnGce = self::onGce($httpHandler); |
| 522 | $this->hasCheckedOnGce = true; |
| 523 | } |
| 524 | |
| 525 | if (!$this->isOnGce) { |
| 526 | return null; |
| 527 | } |
| 528 | |
| 529 | $this->projectId = $this->getFromMetadata($httpHandler, self::getProjectIdUri()); |
| 530 | return $this->projectId; |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * Fetch the default universe domain from the metadata server. |
| 535 | * |
| 536 | * @param callable $httpHandler Callback which delivers psr7 request |
| 537 | * @return string |
| 538 | */ |
| 539 | public function getUniverseDomain(?callable $httpHandler = null): string |
| 540 | { |
| 541 | if (null !== $this->universeDomain) { |
| 542 | return $this->universeDomain; |
| 543 | } |
| 544 | |
| 545 | $httpHandler = $httpHandler |
| 546 | ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient()); |
| 547 | |
| 548 | if (!$this->hasCheckedOnGce) { |
| 549 | $this->isOnGce = self::onGce($httpHandler); |
| 550 | $this->hasCheckedOnGce = true; |
| 551 | } |
| 552 | |
| 553 | try { |
| 554 | $this->universeDomain = $this->getFromMetadata( |
| 555 | $httpHandler, |
| 556 | self::getUniverseDomainUri() |
| 557 | ); |
| 558 | } catch (ClientException $e) { |
| 559 | // If the metadata server exists, but returns a 404 for the universe domain, the auth |
| 560 | // libraries should safely assume this is an older metadata server running in GCU, and |
| 561 | // should return the default universe domain. |
| 562 | if (!$e->hasResponse() || 404 != $e->getResponse()->getStatusCode()) { |
| 563 | throw $e; |
| 564 | } |
| 565 | $this->universeDomain = self::DEFAULT_UNIVERSE_DOMAIN; |
| 566 | } |
| 567 | |
| 568 | // We expect in some cases the metadata server will return an empty string for the universe |
| 569 | // domain. In this case, the auth library MUST return the default universe domain. |
| 570 | if ('' === $this->universeDomain) { |
| 571 | $this->universeDomain = self::DEFAULT_UNIVERSE_DOMAIN; |
| 572 | } |
| 573 | |
| 574 | return $this->universeDomain; |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Fetch the value of a GCE metadata server URI. |
| 579 | * |
| 580 | * @param callable $httpHandler An HTTP Handler to deliver PSR7 requests. |
| 581 | * @param string $uri The metadata URI. |
| 582 | * @return string |
| 583 | */ |
| 584 | private function getFromMetadata(callable $httpHandler, $uri) |
| 585 | { |
| 586 | $resp = $httpHandler( |
| 587 | new Request( |
| 588 | 'GET', |
| 589 | $uri, |
| 590 | [self::FLAVOR_HEADER => 'AmeliaVendor\Google'] |
| 591 | ) |
| 592 | ); |
| 593 | |
| 594 | return (string) $resp->getBody(); |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * Get the quota project used for this API request |
| 599 | * |
| 600 | * @return string|null |
| 601 | */ |
| 602 | public function getQuotaProject() |
| 603 | { |
| 604 | return $this->quotaProject; |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * Set whether or not we've already checked the GCE environment. |
| 609 | * |
| 610 | * @param bool $isOnGce |
| 611 | * |
| 612 | * @return void |
| 613 | */ |
| 614 | public function setIsOnGce($isOnGce) |
| 615 | { |
| 616 | // Implicitly set hasCheckedGce to true |
| 617 | $this->hasCheckedOnGce = true; |
| 618 | |
| 619 | // Set isOnGce |
| 620 | $this->isOnGce = $isOnGce; |
| 621 | } |
| 622 | } |
| 623 |