@azure/core-amqp/dist/commonjs/auth/tokenProvider.js

Common library for amqp based azure sdks like @azure/event-hubs.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var tokenProvider_exports = {};
__export(tokenProvider_exports, {
  SasTokenProviderImpl: () => SasTokenProviderImpl,
  createSasTokenProvider: () => createSasTokenProvider
});
module.exports = __toCommonJS(tokenProvider_exports);
var import_core_auth = require("@azure/core-auth");
var import_hmacSha256 = require("../util/hmacSha256.js");
function createSasTokenProvider(data) {
  if ((0, import_core_auth.isNamedKeyCredential)(data) || (0, import_core_auth.isSASCredential)(data)) {
    return new SasTokenProviderImpl(data);
  } else if ("sharedAccessKeyName" in data && "sharedAccessKey" in data) {
    return new SasTokenProviderImpl({ name: data.sharedAccessKeyName, key: data.sharedAccessKey });
  } else {
    return new SasTokenProviderImpl({ signature: data.sharedAccessSignature });
  }
}
class SasTokenProviderImpl {
  /**
   * Property used to distinguish TokenProvider from TokenCredential.
   */
  get isSasTokenProvider() {
    return true;
  }
  /**
   * The SASCredential containing the key name and secret key value.
   */
  _credential;
  /**
   * Initializes a new instance of SasTokenProvider
   * @param credential - The source `NamedKeyCredential` or `SASCredential`.
   */
  constructor(credential) {
    this._credential = credential;
  }
  /**
   * Gets the sas token for the specified audience
   * @param audience - The audience for which the token is desired.
   */
  async getToken(audience) {
    if ((0, import_core_auth.isNamedKeyCredential)(this._credential)) {
      return createToken(
        this._credential.name,
        this._credential.key,
        Math.floor(Date.now() / 1e3) + 3600,
        audience
      );
    } else {
      return {
        token: this._credential.signature,
        expiresOnTimestamp: 0
      };
    }
  }
}
async function createToken(keyName, key, expiry, audience) {
  audience = encodeURIComponent(audience);
  keyName = encodeURIComponent(keyName);
  const stringToSign = audience + "\n" + expiry;
  const sig = await (0, import_hmacSha256.signString)(key, stringToSign);
  return {
    token: `SharedAccessSignature sr=${audience}&sig=${sig}&se=${expiry}&skn=${keyName}`,
    expiresOnTimestamp: expiry
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  SasTokenProviderImpl,
  createSasTokenProvider
});
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