@financialforcedev/orizuru-auth
Version:
Salesforce authentication for Heroku Node applications.
117 lines • 14.7 kB
JavaScript
;
/*
* Copyright (c) 2019, FinancialForce.com, inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the FinancialForce.com, inc nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
const __1 = require("../..");
const userinfo_1 = require("../userInfo/userinfo");
const accessToken_1 = require("./common/accessToken");
const fail_1 = require("./common/fail");
const instanceUrlRegex = new RegExp('(https:\/\/[^\/]*)');
/**
* Returns an express middleware that validates the OpenID Connect access token
* passed in an HTTP Authorization header and if successful sets the user object onto
* the request object.
*
* @fires EVENT_TOKEN_VALIDATED, EVENT_DENIED
* @param app The Orizuru server instance.
* @param [provider] The name of the auth provider. Defaults to 'salesforce'.
* @param [opts] The optional parameters used when requesting user information.
* @returns An express middleware that validates an access token.
*/
function createMiddleware(app, provider, opts) {
const internalProvider = provider || 'salesforce';
const _a = opts || accessToken_1.DEFAULT_MIDDLEWARE_OPTIONS, { setTokenOnContext } = _a, userInfoOptions = __rest(_a, ["setTokenOnContext"]);
const requestUserInfo = userinfo_1.createUserInfoRequester(app.options.authProvider[internalProvider]);
return async function validateToken(req, res, next) {
try {
const accessToken = accessToken_1.extractAccessToken(req);
const userInfo = await requestUserInfo(accessToken, userInfoOptions);
setUserOnRequest(app, req, userInfo);
accessToken_1.setAccessTokenOnRequest(req, accessToken, setTokenOnContext);
setInstanceUrlOnRequest(req, userInfo);
next();
}
catch (error) {
fail_1.fail(app, error, req, res, next);
}
};
}
exports.createMiddleware = createMiddleware;
/**
* Sets the user on the Orizuru context.
*
* @fires EVENT_TOKEN_VALIDATED
* @param app The Orizuru server instance.
* @param req The HTTP request.
* @param userInfo The user information.
*/
function setUserOnRequest(app, req, userInfo) {
const user = {
username: userInfo.preferred_username
};
if (userInfo.organization_id && typeof userInfo.organization_id === 'string') {
user.organizationId = userInfo.organization_id;
}
const orizuru = req.orizuru || {};
orizuru.user = user;
req.orizuru = orizuru;
app.emit(__1.EVENT_TOKEN_VALIDATED, `Token validated for user (${user.username}) [${req.ip}].`);
}
/**
* Sets the Salesforce instance URL on the Orizuru context.
*
* @param req The HTTP request.
* @param userInfo The user information.
*/
function setInstanceUrlOnRequest(req, userInfo) {
if (!userInfo.urls) {
return;
}
const orizuru = req.orizuru;
orizuru.salesforce = orizuru.salesforce || {};
const urls = Object.values(userInfo.urls);
while (urls.length) {
const url = urls.shift();
const regexResults = instanceUrlRegex.exec(url);
if (regexResults) {
orizuru.salesforce.instanceUrl = regexResults[0];
break;
}
}
req.orizuru = orizuru;
}
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IN NO EVENT SHALL\n *  THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\n *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\n *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY\n *  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\n\n/**\n * @module middleware/tokenValidator\n */\n\nimport { NextFunction, Request, RequestHandler, Response } from '@financialforcedev/orizuru';\n\nimport { EVENT_TOKEN_VALIDATED, OpenIDTokenWithStandardClaims, UserInfoOptions } from '../..';\nimport { SalesforceUser } from '../client/salesforce';\nimport { createUserInfoRequester } from '../userInfo/userinfo';\nimport { DEFAULT_MIDDLEWARE_OPTIONS, extractAccessToken, MiddlewareOptions, setAccessTokenOnRequest } from './common/accessToken';\nimport { fail } from './common/fail';\n\nconst instanceUrlRegex = new RegExp('(https:\\/\\/[^\\/]*)');\n\n/**\n * Returns an express middleware that validates the OpenID Connect access token\n * passed in an HTTP Authorization header and if successful sets the user object onto\n * the request object.\n *\n * @fires EVENT_TOKEN_VALIDATED, EVENT_DENIED\n * @param app The Orizuru server instance.\n * @param [provider] The name of the auth provider. Defaults to 'salesforce'.\n * @param [opts] The optional parameters used when requesting user information.\n * @returns An express middleware that validates an access token.\n */\nexport function createMiddleware(app: Orizuru.IServer, provider?: string, opts?: MiddlewareOptions & UserInfoOptions): RequestHandler {\n\n\tconst internalProvider = provider || 'salesforce';\n\tconst { setTokenOnContext, ...userInfoOptions } = opts || DEFAULT_MIDDLEWARE_OPTIONS;\n\n\tconst requestUserInfo = createUserInfoRequester(app.options.authProvider[internalProvider]);\n\n\treturn async function validateToken(req: Request, res: Response, next: NextFunction) {\n\n\t\ttry {\n\n\t\t\tconst accessToken = extractAccessToken(req);\n\t\t\tconst userInfo = await requestUserInfo(accessToken, userInfoOptions);\n\t\t\tsetUserOnRequest(app, req, userInfo);\n\t\t\tsetAccessTokenOnRequest(req, accessToken, setTokenOnContext);\n\t\t\tsetInstanceUrlOnRequest(req, userInfo);\n\n\t\t\tnext();\n\n\t\t} catch (error) {\n\t\t\tfail(app, error, req, res, next);\n\t\t}\n\n\t};\n\n}\n\n/**\n * Sets the user on the Orizuru context.\n *\n * @fires EVENT_TOKEN_VALIDATED\n * @param app The Orizuru server instance.\n * @param req The HTTP request.\n * @param userInfo The user information.\n */\nfunction setUserOnRequest(app: Orizuru.IServer, req: Request, userInfo: OpenIDTokenWithStandardClaims) {\n\n\tconst user: SalesforceUser = {\n\t\tusername: userInfo.preferred_username\n\t};\n\n\tif (userInfo.organization_id && typeof userInfo.organization_id === 'string') {\n\t\tuser.organizationId = userInfo.organization_id;\n\t}\n\n\tconst orizuru = req.orizuru || {};\n\torizuru.user = user;\n\treq.orizuru = orizuru;\n\n\tapp.emit(EVENT_TOKEN_VALIDATED, `Token validated for user (${user.username}) [${req.ip}].`);\n\n}\n\n/**\n * Sets the Salesforce instance URL on the Orizuru context.\n *\n * @param req The HTTP request.\n * @param userInfo The user information.\n */\nfunction setInstanceUrlOnRequest(req: Request, userInfo: OpenIDTokenWithStandardClaims) {\n\n\tif (!userInfo.urls) {\n\t\treturn;\n\t}\n\n\tconst orizuru = req.orizuru!;\n\torizuru.salesforce = orizuru.salesforce || {};\n\n\tconst urls = Object.values(userInfo.urls);\n\twhile (urls.length) {\n\n\t\tconst url = urls.shift();\n\n\t\tconst regexResults = instanceUrlRegex.exec(url);\n\t\tif (regexResults) {\n\t\t\torizuru.salesforce.instanceUrl = regexResults[0];\n\t\t\tbreak;\n\t\t}\n\n\t}\n\n\treq.orizuru = orizuru;\n\n}\n"]}