@azure/communication-call-automation
Version:
Azure client library for Azure Communication Call Automation services
39 lines • 1.93 kB
JavaScript
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
import { shaHMAC, shaHash } from "./cryptoUtils.js";
import { isNode } from "@azure/core-util";
const callAutomationAccessKeyCredentialPolicy = "CallAutomationAccessKeyCredentialPolicy";
/**
* Creates an HTTP pipeline policy to authenticate a request using a `KeyCredential`.
* @hidden
*
* @param credential - The key credential.
*/
export function createCallAutomationAccessKeyCredentialPolicy(credential, acsUrl) {
return {
name: callAutomationAccessKeyCredentialPolicy,
async sendRequest(request, next) {
var _a;
const verb = request.method.toUpperCase();
const utcNow = new Date().toUTCString();
const contentHash = await shaHash(((_a = request.body) === null || _a === void 0 ? void 0 : _a.toString()) || "");
const dateHeader = "x-ms-date";
const signedHeaders = `${dateHeader};host;x-ms-content-sha256`;
const acsUrlCast = new URL(acsUrl);
request.headers.set("x-ms-host", acsUrlCast.host);
const url = new URL(request.url);
const query = url.searchParams.toString();
const urlPathAndQuery = query ? `${url.pathname}?${query}` : url.pathname;
const stringToSign = `${verb}\n${urlPathAndQuery}\n${utcNow};${acsUrlCast.host};${contentHash}`;
const signature = await shaHMAC(credential.key, stringToSign);
if (isNode) {
request.headers.set("Host", url.host || "");
}
request.headers.set(dateHeader, utcNow);
request.headers.set("x-ms-content-sha256", contentHash);
request.headers.set("Authorization", `HMAC-SHA256 SignedHeaders=${signedHeaders}&Signature=${signature}`);
return next(request);
},
};
}
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