google-auth-library
Version:
Google APIs Authentication Client Library for Node.js
266 lines • 11.1 kB
JavaScript
"use strict";
/**
* Copyright 2013 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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 (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, 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:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var gtoken_1 = require("gtoken");
var jwtaccess_1 = require("./jwtaccess");
var oauth2client_1 = require("./oauth2client");
var isString = require('lodash.isstring');
var JWT = /** @class */ (function (_super) {
__extends(JWT, _super);
function JWT(optionsOrEmail, keyFile, key, scopes, subject) {
var _this = _super.call(this) || this;
var opts = (optionsOrEmail && typeof optionsOrEmail === 'object') ?
optionsOrEmail :
{ email: optionsOrEmail, keyFile: keyFile, key: key, scopes: scopes, subject: subject };
_this.email = opts.email;
_this.keyFile = opts.keyFile;
_this.key = opts.key;
_this.scopes = opts.scopes;
_this.subject = opts.subject;
_this.credentials = { refresh_token: 'jwt-placeholder', expiry_date: 1 };
return _this;
}
/**
* Creates a copy of the credential with the specified scopes.
* @param {(string|array)=} scopes List of requested scopes or a single scope.
* @return {object} The cloned instance.
*/
JWT.prototype.createScoped = function (scopes) {
return new JWT({
email: this.email,
keyFile: this.keyFile,
key: this.key,
scopes: scopes,
subject: this.subject
});
};
/**
* Obtains the metadata to be sent with the request.
*
* @param {string} optUri the URI being authorized.
*/
JWT.prototype.getRequestMetadataAsync = function (url) {
return __awaiter(this, void 0, void 0, function () {
var alt;
return __generator(this, function (_a) {
if (this.createScopedRequired() && url) {
alt = new jwtaccess_1.JWTAccess(this.email, this.key);
return [2 /*return*/, alt.getRequestMetadata(url)];
}
else {
return [2 /*return*/, _super.prototype.getRequestMetadataAsync.call(this, url)];
}
return [2 /*return*/];
});
});
};
/**
* Indicates whether the credential requires scopes to be created by calling
* createdScoped before use.
* @return {boolean} false if createScoped does not need to be called.
*/
JWT.prototype.createScopedRequired = function () {
// If scopes is null, always return true.
if (this.scopes) {
// For arrays, check the array length.
if (this.scopes instanceof Array) {
return this.scopes.length === 0;
}
// For others, convert to a string and check the length.
return String(this.scopes).length === 0;
}
return true;
};
JWT.prototype.authorize = function (callback) {
if (callback) {
this.authorizeAsync().then(function (r) { return callback(null, r); }).catch(callback);
}
else {
return this.authorizeAsync();
}
};
JWT.prototype.authorizeAsync = function () {
return __awaiter(this, void 0, void 0, function () {
var result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.refreshToken()];
case 1:
result = _a.sent();
if (!result) {
throw new Error('No result returned');
}
this.credentials = result.tokens;
this.credentials.refresh_token = 'jwt-placeholder';
this.key = this.gtoken.key;
this.email = this.gtoken.iss;
return [2 /*return*/, result.tokens];
}
});
});
};
/**
* Refreshes the access token.
* @param {object=} ignored
* @private
*/
JWT.prototype.refreshToken = function (refreshToken) {
return __awaiter(this, void 0, void 0, function () {
var newGToken, token, tokens;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
newGToken = this.createGToken();
return [4 /*yield*/, newGToken.getToken()];
case 1:
token = _a.sent();
tokens = {
access_token: token,
token_type: 'Bearer',
expiry_date: newGToken.expiresAt
};
return [2 /*return*/, { res: null, tokens: tokens }];
}
});
});
};
/**
* Create a JWT credentials instance using the given input options.
* @param {object=} json The input object.
*/
JWT.prototype.fromJSON = function (json) {
if (!json) {
throw new Error('Must pass in a JSON object containing the service account auth settings.');
}
if (!json.client_email) {
throw new Error('The incoming JSON object does not contain a client_email field');
}
if (!json.private_key) {
throw new Error('The incoming JSON object does not contain a private_key field');
}
// Extract the relevant information from the json key file.
this.email = json.client_email;
this.key = json.private_key;
this.projectId = json.project_id;
};
JWT.prototype.fromStream = function (inputStream, callback) {
if (callback) {
this.fromStreamAsync(inputStream).then(function (r) { return callback(); }).catch(callback);
}
else {
return this.fromStreamAsync(inputStream);
}
};
JWT.prototype.fromStreamAsync = function (inputStream) {
var _this = this;
return new Promise(function (resolve, reject) {
if (!inputStream) {
throw new Error('Must pass in a stream containing the service account auth settings.');
}
var s = '';
inputStream.setEncoding('utf8');
inputStream.on('data', function (chunk) {
s += chunk;
});
inputStream.on('end', function () {
try {
var data = JSON.parse(s);
_this.fromJSON(data);
resolve();
}
catch (e) {
reject(e);
}
});
});
};
/**
* Creates a JWT credentials instance using an API Key for authentication.
* @param {string} apiKey - the API Key in string form.
*/
JWT.prototype.fromAPIKey = function (apiKey) {
if (!isString(apiKey)) {
throw new Error('Must provide an API Key string.');
}
this.apiKey = apiKey;
};
/**
* Creates the gToken instance if it has not been created already.
* @param {function=} callback Callback.
* @private
*/
JWT.prototype.createGToken = function () {
if (!this.gtoken) {
this.gtoken = new gtoken_1.GoogleToken({
iss: this.email,
sub: this.subject,
scope: this.scopes,
keyFile: this.keyFile,
key: this.key
});
}
return this.gtoken;
};
return JWT;
}(oauth2client_1.OAuth2Client));
exports.JWT = JWT;
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