supertokens-node
Version:
NodeJS driver for SuperTokens core
265 lines (264 loc) • 11.6 kB
JavaScript
"use strict";
/* Copyright (c) 2021, VRAI Labs and/or its affiliates. All rights reserved.
*
* This software is licensed under the Apache License, Version 2.0 (the
* "License") as published by the Apache Software Foundation.
*
* 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 __awaiter =
(this && this.__awaiter) ||
function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P
? value
: new P(function (resolve) {
resolve(value);
});
}
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) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const sessionRecipe_1 = require("../sessionRecipe");
const error_1 = require("../error");
const faunadb = require("faunadb");
const sessionClass_1 = require("./sessionClass");
const recipeModule_1 = require("../../../recipeModule");
const constants_1 = require("./constants");
// For Express
class SessionRecipe extends recipeModule_1.default {
constructor(recipeId, appInfo, isInServerlessEnv, config) {
super(recipeId, appInfo, isInServerlessEnv);
this.q = faunadb.query;
// abstract instance functions below...............
this.getAPIsHandled = () => {
return this.parentRecipe.getAPIsHandled();
};
this.handleAPIRequest = (id, req, res, next, path, method) => {
return this.parentRecipe.handleAPIRequest(id, req, res, next, path, method);
};
this.handleError = (err, request, response, next) => {
return this.parentRecipe.handleError(err, request, response, next);
};
this.getAllCORSHeaders = () => {
return this.parentRecipe.getAllCORSHeaders();
};
this.isErrorFromThisOrChildRecipeBasedOnInstance = (err) => {
return error_1.default.isErrorFromSuperTokens(err) && this === err.recipe;
};
// instance functions.........
this.getFDAT = (session) =>
__awaiter(this, void 0, void 0, function* () {
function getFaunadbTokenTimeLag() {
if (process.env.INSTALL_PATH !== undefined) {
// if in testing...
return 2 * 1000;
}
return constants_1.FAUNADB_TOKEN_TIME_LAG_MILLI;
}
let accessTokenLifetime = (yield this.parentRecipe.getHandshakeInfo()).accessTokenValidity;
let faunaResponse = yield this.faunaDBClient.query(
this.q.Create(this.q.Tokens(), {
instance: this.q.Ref(this.q.Collection(this.config.userCollectionName), session.getUserId()),
ttl: this.q.TimeAdd(
this.q.Now(),
accessTokenLifetime + getFaunadbTokenTimeLag(),
"millisecond"
),
})
);
return faunaResponse.secret;
});
this.createNewSession = (res, userId, jwtPayload = {}, sessionData = {}) =>
__awaiter(this, void 0, void 0, function* () {
// TODO: HandshakeInfo should give the access token lifetime so that we do not have to do a double query
let originalSession = yield this.superCreateNewSession(res, userId, jwtPayload, sessionData);
let session = new sessionClass_1.default(
this.parentRecipe,
originalSession.getAccessToken(),
originalSession.getHandle(),
originalSession.getUserId(),
originalSession.getJWTPayload(),
res
);
try {
let fdat = yield this.getFDAT(session);
if (this.config.accessFaunadbTokenFromFrontend) {
let newPayload = Object.assign({}, jwtPayload);
newPayload[constants_1.FAUNADB_SESSION_KEY] = fdat;
yield session.updateJWTPayload(newPayload);
} else {
let newPayload = Object.assign({}, sessionData);
newPayload[constants_1.FAUNADB_SESSION_KEY] = fdat;
yield session.updateSessionData(newPayload);
}
return session;
} catch (err) {
throw new error_1.default(
{
type: error_1.default.GENERAL_ERROR,
payload: err,
},
this
);
}
});
this.getSession = (req, res, options) =>
__awaiter(this, void 0, void 0, function* () {
let originalSession = yield this.superGetSession(req, res, options);
if (originalSession === undefined) {
return undefined;
}
return new sessionClass_1.default(
this.parentRecipe,
originalSession.getAccessToken(),
originalSession.getHandle(),
originalSession.getUserId(),
originalSession.getJWTPayload(),
res
);
});
this.refreshSession = (req, res) =>
__awaiter(this, void 0, void 0, function* () {
let originalSession = yield this.superRefreshSession(req, res);
let session = new sessionClass_1.default(
this.parentRecipe,
originalSession.getAccessToken(),
originalSession.getHandle(),
originalSession.getUserId(),
originalSession.getJWTPayload(),
res
);
try {
let fdat = yield this.getFDAT(session);
// we do not use the accessFaunaDBTokenFromFrontend boolean here so that
// it can be changed without affecting existing sessions.
if (session.getJWTPayload()[constants_1.FAUNADB_SESSION_KEY] !== undefined) {
let newPayload = Object.assign({}, session.getJWTPayload());
newPayload[constants_1.FAUNADB_SESSION_KEY] = fdat;
yield session.updateJWTPayload(newPayload);
} else {
let newPayload = Object.assign({}, yield session.getSessionData());
newPayload[constants_1.FAUNADB_SESSION_KEY] = fdat;
yield session.updateSessionData(newPayload);
}
return session;
} catch (err) {
throw new error_1.default(
{
type: error_1.default.GENERAL_ERROR,
payload: err,
},
this
);
}
});
this.parentRecipe = new sessionRecipe_1.default(recipeId, appInfo, isInServerlessEnv, config);
// we save the parent recipe's functions here, so that they can be used later
this.superCreateNewSession = this.parentRecipe.createNewSession;
this.superGetSession = this.parentRecipe.getSession;
this.superRefreshSession = this.parentRecipe.refreshSession;
// we override the parent recipe's functions with the modified ones.
this.parentRecipe.createNewSession = this.createNewSession;
this.parentRecipe.getSession = this.getSession;
this.parentRecipe.refreshSession = this.refreshSession;
this.config = {
accessFaunadbTokenFromFrontend:
config.accessFaunadbTokenFromFrontend === undefined ? false : config.accessFaunadbTokenFromFrontend,
userCollectionName: config.userCollectionName,
};
if ("faunadbSecret" in config) {
try {
this.faunaDBClient = new faunadb.Client({
secret: config.faunadbSecret,
});
} catch (err) {
throw new error_1.default(
{
payload: err,
type: error_1.default.GENERAL_ERROR,
},
this
);
}
} else {
this.faunaDBClient = config.faunadbClient;
}
}
static getInstanceOrThrowError() {
if (SessionRecipe.instance !== undefined) {
return SessionRecipe.instance;
}
throw new error_1.default(
{
type: error_1.default.GENERAL_ERROR,
payload: new Error("Initialisation not done. Did you forget to call the SuperTokens.init function?"),
},
undefined
);
}
static init(config) {
return (appInfo, isInServerlessEnv) => {
if (SessionRecipe.instance === undefined) {
SessionRecipe.instance = new SessionRecipe(
sessionRecipe_1.default.RECIPE_ID,
appInfo,
isInServerlessEnv,
config
);
return SessionRecipe.instance;
} else {
throw new error_1.default(
{
type: error_1.default.GENERAL_ERROR,
payload: new Error(
"Session recipe has already been initialised. Please check your code for bugs."
),
},
undefined
);
}
};
}
static reset() {
if (process.env.TEST_MODE !== "testing") {
throw new error_1.default(
{
type: error_1.default.GENERAL_ERROR,
payload: new Error("calling testing function in non testing env"),
},
undefined
);
}
SessionRecipe.instance = undefined;
}
}
exports.default = SessionRecipe;
SessionRecipe.instance = undefined;
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