@aws-amplify/core
Version:
Core category of aws-amplify
109 lines (108 loc) • 4.92 kB
JavaScript
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import { getDnsSuffix, unauthenticatedHandler, parseJsonError, } from '../../clients';
import { composeTransferHandler } from '../../clients/internal/composeTransferHandler';
import { jitteredBackoff, getRetryDecider, } from '../../clients/middleware/retry';
import { getAmplifyUserAgent } from '../../Platform';
import { observeFrameworkChanges } from '../../Platform/detectFramework';
/**
* The service name used to sign requests if the API requires authentication.
*/
var SERVICE_NAME = 'cognito-identity';
/**
* The endpoint resolver function that returns the endpoint URL for a given region.
*/
var endpointResolver = function (_a) {
var region = _a.region;
return ({
url: new URL("https://cognito-identity.".concat(region, ".").concat(getDnsSuffix(region))),
});
};
/**
* A Cognito Identity-specific middleware that disables caching for all requests.
*/
var disableCacheMiddleware = function () { return function (next, context) {
return function disableCacheMiddleware(request) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
request.headers['cache-control'] = 'no-store';
return [2 /*return*/, next(request)];
});
});
};
}; };
/**
* A Cognito Identity-specific transfer handler that does NOT sign requests, and
* disables caching.
*
* @internal
*/
export var cognitoIdentityTransferHandler = composeTransferHandler(unauthenticatedHandler, [disableCacheMiddleware]);
/**
* @internal
*/
export var defaultConfig = {
service: SERVICE_NAME,
endpointResolver: endpointResolver,
retryDecider: getRetryDecider(parseJsonError),
computeDelay: jitteredBackoff,
userAgentValue: getAmplifyUserAgent(),
};
observeFrameworkChanges(function () {
defaultConfig.userAgentValue = getAmplifyUserAgent();
});
/**
* @internal
*/
export var getSharedHeaders = function (operation) { return ({
'content-type': 'application/x-amz-json-1.1',
'x-amz-target': "AWSCognitoIdentityService.".concat(operation),
}); };
/**
* @internal
*/
export var buildHttpRpcRequest = function (_a, headers, body) {
var url = _a.url;
return ({
headers: headers,
url: url,
body: body,
method: 'POST',
});
};