@financialforcedev/orizuru-auth
Version:
Salesforce authentication for Heroku Node applications.
106 lines • 13.5 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @module client/oauth2Jwt/jwt
*/
const jsonwebtoken_1 = require("jsonwebtoken");
const uuid_1 = require("uuid");
/**
* The assertion types that can be created.
*/
var AssertionType;
(function (AssertionType) {
AssertionType["CLIENT"] = "client";
AssertionType["GRANT"] = "grant";
})(AssertionType || (AssertionType = {}));
/**
* Creates a [private_key_jwt](https://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication) assertion for use in the authentication process.
*
* @param params The parameters required for either the [auth](https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest) or [refresh](https://openid.net/specs/openid-connect-core-1_0.html#RefreshingAccessToken) grant requests.
* @param signingSecret The secret used to sign the payload.
* @param tokenEndpoint The [OpenID token endpoint](https://openid.net/specs/openid-connect-core-1_0.html#TokenEndpoint).
*/
async function createJwtBearerClientAssertion(params, signingSecret, tokenEndpoint) {
const payload = createPayload(tokenEndpoint, params.clientId, params.clientId);
return signClientAssertion(payload, signingSecret, AssertionType.CLIENT);
}
exports.createJwtBearerClientAssertion = createJwtBearerClientAssertion;
/**
* Creates a [private_key_jwt](https://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication) assertion for use in the authentication process.
*
* Unlike the standard client assertion, this assertion provides the username as the
* subject as defined by [Salesforce](https://help.salesforce.com/articleView?id=remoteaccess_oauth_jwt_flow.htm#create_token).
*
* @param env The auth environment parameters.
* @param params The parameters required for the [JWT Bearer](https://help.salesforce.com/articleView?id=remoteaccess_oauth_jwt_flow.htm) grant request.
* @param user The user to generate the assertion for.
*/
async function createJwtBearerGrantAssertion(env, params) {
const payload = createPayload(env.issuerURI, params.clientId, params.user.username);
return signClientAssertion(payload, params.signingSecret, AssertionType.GRANT);
}
exports.createJwtBearerGrantAssertion = createJwtBearerGrantAssertion;
/**
* Create the JWT payload.
*
* @param aud Audience(s) that this ID Token is intended for.
* @param iss Issuer.
* @param sub Subject identifier.
*/
function createPayload(aud, iss, sub) {
const iat = Math.floor(Date.now() / 1000);
const exp = iat + (60 * 4);
return {
aud,
exp,
iat,
iss,
jti: uuid_1.v4().toString(),
sub
};
}
/**
* Sign the payload using the given private key.
*
* @param payload The payload to sign.
* @param signingSecret The private key to sign the payload with.
* @param type The assertion type (either client or grant).
*/
function signClientAssertion(payload, signingSecret, type) {
return new Promise((resolve, reject) => {
jsonwebtoken_1.sign(payload, signingSecret, { algorithm: 'RS256' }, (err, encoded) => {
if (err) {
reject(new Error(`Failed to sign ${type} assertion.`));
}
else {
resolve(encoded);
}
});
});
}
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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 client/oauth2Jwt/jwt\n */\n\nimport { Secret, sign } from 'jsonwebtoken';\nimport { v4 as uuid } from 'uuid';\n\nimport { Environment } from '../cache';\nimport { GrantParams } from '../oauth2';\nimport { JWT, JwtGrantParams } from '../oauth2Jwt';\n\n/**\n * The assertion types that can be created.\n */\nenum AssertionType {\n\tCLIENT = 'client',\n\tGRANT = 'grant'\n}\n\n/**\n * Creates a [private_key_jwt](https://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication) assertion for use in the authentication process.\n *\n * @param params The parameters required for either the [auth](https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest) or [refresh](https://openid.net/specs/openid-connect-core-1_0.html#RefreshingAccessToken) grant requests.\n * @param signingSecret The secret used to sign the payload.\n * @param tokenEndpoint The [OpenID token endpoint](https://openid.net/specs/openid-connect-core-1_0.html#TokenEndpoint).\n */\nexport async function createJwtBearerClientAssertion(params: GrantParams, signingSecret: Secret, tokenEndpoint: string) {\n\tconst payload = createPayload(tokenEndpoint, params.clientId, params.clientId);\n\treturn signClientAssertion(payload, signingSecret, AssertionType.CLIENT);\n\n}\n\n/**\n * Creates a [private_key_jwt](https://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication) assertion for use in the authentication process.\n *\n * Unlike the standard client assertion, this assertion provides the username as the\n * subject as defined by [Salesforce](https://help.salesforce.com/articleView?id=remoteaccess_oauth_jwt_flow.htm#create_token).\n *\n * @param env The auth environment parameters.\n * @param params The parameters required for the [JWT Bearer](https://help.salesforce.com/articleView?id=remoteaccess_oauth_jwt_flow.htm) grant request.\n * @param user The user to generate the assertion for.\n */\nexport async function createJwtBearerGrantAssertion(env: Environment, params: JwtGrantParams) {\n\tconst payload = createPayload(env.issuerURI, params.clientId, params.user.username);\n\treturn signClientAssertion(payload, params.signingSecret, AssertionType.GRANT);\n}\n\n/**\n * Create the JWT payload.\n *\n * @param aud Audience(s) that this ID Token is intended for.\n * @param iss Issuer.\n * @param sub Subject identifier.\n */\nfunction createPayload(aud: string, iss: string, sub: string): JWT {\n\n\tconst iat = Math.floor(Date.now() / 1000);\n\tconst exp = iat + (60 * 4);\n\n\treturn {\n\t\taud,\n\t\texp,\n\t\tiat,\n\t\tiss,\n\t\tjti: uuid().toString(),\n\t\tsub\n\t};\n\n}\n\n/**\n * Sign the payload using the given private key.\n *\n * @param payload The payload to sign.\n * @param signingSecret The private key to sign the payload with.\n * @param type The assertion type (either client or grant).\n */\nfunction signClientAssertion(payload: JWT, signingSecret: Secret, type: AssertionType) {\n\n\treturn new Promise<string>((resolve, reject) => {\n\n\t\tsign(payload, signingSecret, { algorithm: 'RS256' }, (err, encoded) => {\n\t\t\tif (err) {\n\t\t\t\treject(new Error(`Failed to sign ${type} assertion.`));\n\t\t\t} else {\n\t\t\t\tresolve(encoded);\n\t\t\t}\n\t\t});\n\n\t});\n\n}\n"]}