@financialforcedev/orizuru-auth
Version:
Salesforce authentication for Heroku Node applications.
131 lines • 17.1 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 identity_1 = require("../client/salesforce/identity");
const jwtBearerToken_1 = require("../flow/jwtBearerToken");
const accessToken_1 = require("./common/accessToken");
const fail_1 = require("./common/fail");
/**
* Returns an express middleware that checks that an access token can be retrieved
* for the user specified on the request.
*
* Should be used in tandem with the tokenValidator middleware, and must be
* executed after that. This requires that a ConnectedApp is configured to pre-
* authorise users and the user is authorised.
*
* @fires EVENT_GRANT_CHECKED, EVENT_DENIED
* @param app The Orizuru server instance.
* @param [provider] The name of the auth provider. Defaults to 'salesforce'.
* @param [params] The grant checker middleware parameters.
* @param [opts] The optional parameters used when requesting grants.
* @returns A express middleware that checks an access token can be retrieved for
* the user on the request.
*/
function createMiddleware(app, provider, params, opts) {
const internalProvider = provider || 'salesforce';
const internalParams = params || app.options.openid[internalProvider];
const _a = opts || accessToken_1.DEFAULT_MIDDLEWARE_OPTIONS, { setTokenOnContext } = _a, grantOptions = __rest(_a, ["setTokenOnContext"]);
const requestAccessToken = jwtBearerToken_1.createTokenGrantor(app.options.authProvider[internalProvider]);
// The GrantCheckerMiddlewareParameters type excludes the grant_type
// so that it doesn't have to be set by the caller. Make sure it is set here.
const grantParams = Object.assign({}, internalParams);
grantParams.grantType = 'urn:ietf:params:oauth:grant-type:jwt-bearer';
return async function checkUserGrant(req, res, next) {
try {
const user = checkUserIsOnTheRequest(req);
const tokenResponse = await requestAccessToken(Object.assign({}, grantParams, { user }), grantOptions);
setGrant(app, req);
accessToken_1.setAccessTokenOnRequest(req, tokenResponse.access_token, setTokenOnContext);
setInstanceUrlOnRequest(req, tokenResponse);
next();
}
catch (error) {
fail_1.fail(app, error, req, res, next);
}
};
}
exports.createMiddleware = createMiddleware;
/**
* Checks that the user is present on the request and is valid.
*
* @param req The HTTP request.
*/
function checkUserIsOnTheRequest(req) {
if (!req.orizuru) {
throw new Error('Missing required object parameter: orizuru');
}
if (!req.orizuru.user) {
throw new Error('Missing required object parameter: orizuru[user]');
}
if (req.orizuru.user.username == null) {
throw new Error('Missing required string parameter: orizuru[user][username]');
}
if (!req.orizuru.user.username.length) {
throw new Error('Invalid parameter: orizuru[user][username] cannot be empty');
}
return req.orizuru.user;
}
/**
* Sets the grant checked boolean on the Orizuru context.
*
* @fires EVENT_GRANT_CHECKED
* @param app The Orizuru server instance.
* @param req The HTTP request.
*/
function setGrant(app, req) {
const orizuru = req.orizuru;
orizuru.grantChecked = true;
app.emit(__1.EVENT_GRANT_CHECKED, `Grant checked for user (${orizuru.user.username}) [${req.ip}].`);
}
/**
* Sets the instance URL on the Orizuru context.
*
* @param req The HTTP request.
* @param accessTokenResponse The access token response
*/
function setInstanceUrlOnRequest(req, accessTokenResponse) {
if (!identity_1.isSalesforceAccessTokenResponse(accessTokenResponse)) {
return;
}
const orizuru = req.orizuru;
orizuru.salesforce = orizuru.salesforce || {};
orizuru.salesforce.instanceUrl = accessTokenResponse.instance_url;
}
exports.setInstanceUrlOnRequest = setInstanceUrlOnRequest;
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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/grantChecker\n */\n\nimport { NextFunction, Request, RequestHandler, Response } from '@financialforcedev/orizuru';\n\nimport { EVENT_GRANT_CHECKED, GrantOptions, JwtGrantParams, JwtTokenGrantorParams } from '../..';\nimport { AccessTokenResponse } from '../client/oauth2';\nimport { isSalesforceAccessTokenResponse } from '../client/salesforce/identity';\nimport { createTokenGrantor } from '../flow/jwtBearerToken';\nimport { DEFAULT_MIDDLEWARE_OPTIONS, MiddlewareOptions, setAccessTokenOnRequest } from './common/accessToken';\nimport { fail } from './common/fail';\n\n/**\n * Returns an express middleware that checks that an access token can be retrieved\n * for the user specified on the request.\n *\n * Should be used in tandem with the tokenValidator middleware, and must be\n * executed after that. This requires that a ConnectedApp is configured to pre-\n * authorise users and the user is authorised.\n *\n * @fires EVENT_GRANT_CHECKED, EVENT_DENIED\n * @param app The Orizuru server instance.\n * @param [provider] The name of the auth provider. Defaults to 'salesforce'.\n * @param [params] The grant checker middleware parameters.\n * @param [opts] The optional parameters used when requesting grants.\n * @returns A express middleware that checks an access token can be retrieved for\n * the user on the request.\n */\nexport function createMiddleware(app: Orizuru.IServer, provider?: string, params?: JwtTokenGrantorParams, opts?: MiddlewareOptions & GrantOptions): RequestHandler {\n\n\tconst internalProvider = provider || 'salesforce';\n\tconst internalParams = params || app.options.openid[internalProvider];\n\tconst { setTokenOnContext, ...grantOptions } = opts || DEFAULT_MIDDLEWARE_OPTIONS;\n\n\tconst requestAccessToken = createTokenGrantor(app.options.authProvider[internalProvider]);\n\n\t// The GrantCheckerMiddlewareParameters type excludes the grant_type\n\t// so that it doesn't have to be set by the caller. Make sure it is set here.\n\tconst grantParams: Partial<JwtGrantParams> = Object.assign({}, internalParams);\n\tgrantParams.grantType = 'urn:ietf:params:oauth:grant-type:jwt-bearer';\n\n\treturn async function checkUserGrant(req: Request, res: Response, next: NextFunction) {\n\n\t\ttry {\n\n\t\t\tconst user = checkUserIsOnTheRequest(req);\n\n\t\t\tconst tokenResponse = await requestAccessToken(Object.assign({}, grantParams, { user }) as JwtGrantParams, grantOptions);\n\n\t\t\tsetGrant(app, req);\n\t\t\tsetAccessTokenOnRequest(req, tokenResponse.access_token, setTokenOnContext);\n\t\t\tsetInstanceUrlOnRequest(req, tokenResponse);\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 * Checks that the user is present on the request and is valid.\n *\n * @param req The HTTP request.\n */\nfunction checkUserIsOnTheRequest(req: Request) {\n\n\tif (!req.orizuru) {\n\t\tthrow new Error('Missing required object parameter: orizuru');\n\t}\n\n\tif (!req.orizuru.user) {\n\t\tthrow new Error('Missing required object parameter: orizuru[user]');\n\t}\n\n\tif (req.orizuru.user.username == null) {\n\t\tthrow new Error('Missing required string parameter: orizuru[user][username]');\n\t}\n\n\tif (!req.orizuru.user.username.length) {\n\t\tthrow new Error('Invalid parameter: orizuru[user][username] cannot be empty');\n\t}\n\n\treturn req.orizuru.user;\n\n}\n\n/**\n * Sets the grant checked boolean on the Orizuru context.\n *\n * @fires EVENT_GRANT_CHECKED\n * @param app The Orizuru server instance.\n * @param req The HTTP request.\n */\nfunction setGrant(app: Orizuru.IServer, req: Request) {\n\n\tconst orizuru = req.orizuru!;\n\torizuru.grantChecked = true;\n\n\tapp.emit(EVENT_GRANT_CHECKED, `Grant checked for user (${orizuru.user!.username}) [${req.ip}].`);\n\n}\n\n/**\n * Sets the instance URL on the Orizuru context.\n *\n * @param req The HTTP request.\n * @param accessTokenResponse The access token response\n */\nexport function setInstanceUrlOnRequest(req: Request, accessTokenResponse: AccessTokenResponse) {\n\n\tif (!isSalesforceAccessTokenResponse(accessTokenResponse)) {\n\t\treturn;\n\t}\n\n\tconst orizuru = req.orizuru!;\n\torizuru.salesforce = orizuru.salesforce || {};\n\torizuru.salesforce.instanceUrl = accessTokenResponse.instance_url;\n\n}\n"]}