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authorbobzel <zzzman@gmail.com>2024-05-17 14:55:36 -0400
committerbobzel <zzzman@gmail.com>2024-05-17 14:55:36 -0400
commit0b451af28e5aef6b749da61e8a9fcd0a840789ac (patch)
treebdee4e28ee4715b69299a8da1b615c70b6adc445 /src/server/ApiManagers/MongoStore.js
parent8c1b420a143e4b72ec551277887c211ca6ca003b (diff)
parent38a382a03675d6a50ec7de75f05025efd093f570 (diff)
merged with new master
Diffstat (limited to 'src/server/ApiManagers/MongoStore.js')
-rw-r--r--src/server/ApiManagers/MongoStore.js413
1 files changed, 413 insertions, 0 deletions
diff --git a/src/server/ApiManagers/MongoStore.js b/src/server/ApiManagers/MongoStore.js
new file mode 100644
index 000000000..5d91c2805
--- /dev/null
+++ b/src/server/ApiManagers/MongoStore.js
@@ -0,0 +1,413 @@
+const __createBinding =
+ (this && this.__createBinding) ||
+ (Object.create
+ ? function (o, m, k, k2) {
+ if (k2 === undefined) k2 = k;
+ let desc = Object.getOwnPropertyDescriptor(m, k);
+ if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+ desc = {
+ enumerable: true,
+ get: function () {
+ return m[k];
+ },
+ };
+ }
+ Object.defineProperty(o, k2, desc);
+ }
+ : function (o, m, k, k2) {
+ if (k2 === undefined) k2 = k;
+ o[k2] = m[k];
+ });
+const __setModuleDefault =
+ (this && this.__setModuleDefault) ||
+ (Object.create
+ ? function (o, v) {
+ Object.defineProperty(o, 'default', { enumerable: true, value: v });
+ }
+ : function (o, v) {
+ o.default = v;
+ });
+const __importStar =
+ (this && this.__importStar) ||
+ function (mod) {
+ if (mod && mod.__esModule) return mod;
+ const result = {};
+ if (mod != null) for (const k in mod) if (k !== 'default' && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+ __setModuleDefault(result, mod);
+ return result;
+ };
+const __importDefault =
+ (this && this.__importDefault) ||
+ function (mod) {
+ return mod && mod.__esModule ? mod : { default: mod };
+ };
+Object.defineProperty(exports, '__esModule', { value: true });
+const console_1 = require('console');
+const util_1 = __importDefault(require('util'));
+const session = __importStar(require('express-session'));
+const mongodb_1 = require('mongodb');
+const debug_1 = __importDefault(require('debug'));
+const debug = (0, debug_1.default)('connect-mongo');
+// eslint-disable-next-line @typescript-eslint/no-empty-function
+const noop = () => {};
+const unit = a => a;
+function defaultSerializeFunction(session) {
+ // Copy each property of the session to a new object
+ const obj = {};
+ let prop;
+ for (prop in session) {
+ if (prop === 'cookie') {
+ // Convert the cookie instance to an object, if possible
+ // This gets rid of the duplicate object under session.cookie.data property
+ // @ts-ignore FIXME:
+ obj.cookie = session.cookie.toJSON
+ ? // @ts-ignore FIXME:
+ session.cookie.toJSON()
+ : session.cookie;
+ } else {
+ // @ts-ignore FIXME:
+ obj[prop] = session[prop];
+ }
+ }
+ return obj;
+}
+function computeTransformFunctions(options) {
+ if (options.serialize || options.unserialize) {
+ return {
+ serialize: options.serialize || defaultSerializeFunction,
+ unserialize: options.unserialize || unit,
+ };
+ }
+ if (options.stringify === false) {
+ return {
+ serialize: defaultSerializeFunction,
+ unserialize: unit,
+ };
+ }
+ // Default case
+ return {
+ serialize: JSON.stringify,
+ unserialize: JSON.parse,
+ };
+}
+class MongoStore extends session.Store {
+ constructor({ collectionName = 'sessions', ttl = 1209600, mongoOptions = {}, autoRemove = 'native', autoRemoveInterval = 10, touchAfter = 0, stringify = true, crypto, ...required }) {
+ super();
+ this.crypto = null;
+ debug('create MongoStore instance');
+ const options = {
+ collectionName,
+ ttl,
+ mongoOptions,
+ autoRemove,
+ autoRemoveInterval,
+ touchAfter,
+ stringify,
+ crypto: {
+ ...{
+ secret: false,
+ algorithm: 'aes-256-gcm',
+ hashing: 'sha512',
+ encodeas: 'base64',
+ key_size: 32,
+ iv_size: 16,
+ at_size: 16,
+ },
+ ...crypto,
+ },
+ ...required,
+ };
+ // Check params
+ (0, console_1.assert)(options.mongoUrl || options.clientPromise || options.client, 'You must provide either mongoUrl|clientPromise|client in options');
+ (0, console_1.assert)(options.createAutoRemoveIdx === null || options.createAutoRemoveIdx === undefined, 'options.createAutoRemoveIdx has been reverted to autoRemove and autoRemoveInterval');
+ (0, console_1.assert)(!options.autoRemoveInterval || options.autoRemoveInterval <= 71582, /* (Math.pow(2, 32) - 1) / (1000 * 60) */ 'autoRemoveInterval is too large. options.autoRemoveInterval is in minutes but not seconds nor mills');
+ this.transformFunctions = computeTransformFunctions(options);
+ let _clientP;
+ if (options.mongoUrl) {
+ _clientP = mongodb_1.MongoClient.connect(options.mongoUrl, options.mongoOptions);
+ } else if (options.clientPromise) {
+ _clientP = options.clientPromise;
+ } else if (options.client) {
+ _clientP = Promise.resolve(options.client);
+ } else {
+ throw new Error('Cannot init client. Please provide correct options');
+ }
+ (0, console_1.assert)(!!_clientP, 'Client is null|undefined');
+ this.clientP = _clientP;
+ this.options = options;
+ this.collectionP = _clientP.then(async con => {
+ const collection = con.db(options.dbName).collection(options.collectionName);
+ await this.setAutoRemove(collection);
+ return collection;
+ });
+ if (options.crypto.secret) {
+ this.crypto = require('kruptein')(options.crypto);
+ }
+ }
+ static create(options) {
+ return new MongoStore(options);
+ }
+ setAutoRemove(collection) {
+ const removeQuery = () => ({
+ expires: {
+ $lt: new Date(),
+ },
+ });
+ switch (this.options.autoRemove) {
+ case 'native':
+ debug('Creating MongoDB TTL index');
+ return collection.createIndex(
+ { expires: 1 },
+ {
+ background: true,
+ expireAfterSeconds: 0,
+ }
+ );
+ case 'interval':
+ debug('create Timer to remove expired sessions');
+ this.timer = setInterval(
+ () =>
+ collection.deleteMany(removeQuery(), {
+ writeConcern: {
+ w: 0,
+ j: false,
+ },
+ }),
+ this.options.autoRemoveInterval * 1000 * 60
+ );
+ this.timer.unref();
+ return Promise.resolve();
+ case 'disabled':
+ default:
+ return Promise.resolve();
+ }
+ }
+ computeStorageId(sessionId) {
+ if (this.options.transformId && typeof this.options.transformId === 'function') {
+ return this.options.transformId(sessionId);
+ }
+ return sessionId;
+ }
+ /**
+ * promisify and bind the `this.crypto.get` function.
+ * Please check !!this.crypto === true before using this getter!
+ */
+ get cryptoGet() {
+ if (!this.crypto) {
+ throw new Error('Check this.crypto before calling this.cryptoGet!');
+ }
+ return util_1.default.promisify(this.crypto.get).bind(this.crypto);
+ }
+ /**
+ * Decrypt given session data
+ * @param session session data to be decrypt. Mutate the input session.
+ */
+ async decryptSession(session) {
+ if (this.crypto && session) {
+ const plaintext = await this.cryptoGet(this.options.crypto.secret, session.session).catch(err => {
+ throw new Error(err);
+ });
+ // @ts-ignore
+ session.session = JSON.parse(plaintext);
+ }
+ }
+ /**
+ * Get a session from the store given a session ID (sid)
+ * @param sid session ID
+ */
+ get(sid, callback) {
+ (async () => {
+ try {
+ debug(`MongoStore#get=${sid}`);
+ const collection = await this.collectionP;
+ const session = await collection.findOne({
+ _id: this.computeStorageId(sid),
+ $or: [{ expires: { $exists: false } }, { expires: { $gt: new Date() } }],
+ });
+ if (this.crypto && session) {
+ await this.decryptSession(session).catch(err => callback(err));
+ }
+ const s = session && this.transformFunctions.unserialize(session.session);
+ if (this.options.touchAfter > 0 && (session === null || session === void 0 ? void 0 : session.lastModified)) {
+ s.lastModified = session.lastModified;
+ }
+ this.emit('get', sid);
+ callback(null, s === undefined ? null : s);
+ } catch (error) {
+ callback(error);
+ }
+ })();
+ }
+ /**
+ * Upsert a session into the store given a session ID (sid) and session (session) object.
+ * @param sid session ID
+ * @param session session object
+ */
+ set(sid, session, callback = noop) {
+ (async () => {
+ let _a;
+ try {
+ debug(`MongoStore#set=${sid}`);
+ // Removing the lastModified prop from the session object before update
+ // @ts-ignore
+ if (this.options.touchAfter > 0 && (session === null || session === void 0 ? void 0 : session.lastModified)) {
+ // @ts-ignore
+ delete session.lastModified;
+ }
+ const s = {
+ _id: this.computeStorageId(sid),
+ session: this.transformFunctions.serialize(session),
+ };
+ // Expire handling
+ if ((_a = session === null || session === void 0 ? void 0 : session.cookie) === null || _a === void 0 ? void 0 : _a.expires) {
+ s.expires = new Date(session.cookie.expires);
+ } else {
+ // If there's no expiration date specified, it is
+ // browser-session cookie or there is no cookie at all,
+ // as per the connect docs.
+ //
+ // So we set the expiration to two-weeks from now
+ // - as is common practice in the industry (e.g Django) -
+ // or the default specified in the options.
+ s.expires = new Date(Date.now() + this.options.ttl * 1000);
+ }
+ // Last modify handling
+ if (this.options.touchAfter > 0) {
+ s.lastModified = new Date();
+ }
+ if (this.crypto) {
+ const cryptoSet = util_1.default.promisify(this.crypto.set).bind(this.crypto);
+ const data = await cryptoSet(this.options.crypto.secret, s.session).catch(err => {
+ throw new Error(err);
+ });
+ s.session = data;
+ }
+ const collection = await this.collectionP;
+ const rawResp = await collection.updateOne(
+ { _id: s._id },
+ { $set: s },
+ {
+ upsert: true,
+ writeConcern: this.options.writeOperationOptions,
+ }
+ );
+ if (rawResp.upsertedCount > 0) {
+ this.emit('create', sid);
+ } else {
+ this.emit('update', sid);
+ }
+ this.emit('set', sid);
+ } catch (error) {
+ return callback(error);
+ }
+ return callback(null);
+ })();
+ }
+ touch(sid, session, callback = noop) {
+ (async () => {
+ let _a;
+ try {
+ debug(`MongoStore#touch=${sid}`);
+ const updateFields = {};
+ const touchAfter = this.options.touchAfter * 1000;
+ const lastModified = session.lastModified ? session.lastModified.getTime() : 0;
+ const currentDate = new Date();
+ // If the given options has a touchAfter property, check if the
+ // current timestamp - lastModified timestamp is bigger than
+ // the specified, if it's not, don't touch the session
+ if (touchAfter > 0 && lastModified > 0) {
+ const timeElapsed = currentDate.getTime() - lastModified;
+ if (timeElapsed < touchAfter) {
+ debug(`Skip touching session=${sid}`);
+ return callback(null);
+ }
+ updateFields.lastModified = currentDate;
+ }
+ if ((_a = session === null || session === void 0 ? void 0 : session.cookie) === null || _a === void 0 ? void 0 : _a.expires) {
+ updateFields.expires = new Date(session.cookie.expires);
+ } else {
+ updateFields.expires = new Date(Date.now() + this.options.ttl * 1000);
+ }
+ const collection = await this.collectionP;
+ const rawResp = await collection.updateOne({ _id: this.computeStorageId(sid) }, { $set: updateFields }, { writeConcern: this.options.writeOperationOptions });
+ if (rawResp.matchedCount === 0) {
+ return callback(new Error('Unable to find the session to touch'));
+ } else {
+ this.emit('touch', sid, session);
+ return callback(null);
+ }
+ } catch (error) {
+ return callback(error);
+ }
+ })();
+ }
+ /**
+ * Get all sessions in the store as an array
+ */
+ all(callback) {
+ (async () => {
+ try {
+ debug('MongoStore#all()');
+ const collection = await this.collectionP;
+ const sessions = collection.find({
+ $or: [{ expires: { $exists: false } }, { expires: { $gt: new Date() } }],
+ });
+ const results = [];
+ for await (const session of sessions) {
+ if (this.crypto && session) {
+ await this.decryptSession(session);
+ }
+ results.push(this.transformFunctions.unserialize(session.session));
+ }
+ this.emit('all', results);
+ callback(null, results);
+ } catch (error) {
+ callback(error);
+ }
+ })();
+ }
+ /**
+ * Destroy/delete a session from the store given a session ID (sid)
+ * @param sid session ID
+ */
+ destroy(sid, callback = noop) {
+ debug(`MongoStore#destroy=${sid}`);
+ this.collectionP
+ .then(colleciton => colleciton.deleteOne({ _id: this.computeStorageId(sid) }, { writeConcern: this.options.writeOperationOptions }))
+ .then(() => {
+ this.emit('destroy', sid);
+ callback(null);
+ })
+ .catch(err => callback(err));
+ }
+ /**
+ * Get the count of all sessions in the store
+ */
+ length(callback) {
+ debug('MongoStore#length()');
+ this.collectionP
+ .then(collection => collection.countDocuments())
+ .then(c => callback(null, c))
+ // @ts-ignore
+ .catch(err => callback(err));
+ }
+ /**
+ * Delete all sessions from the store.
+ */
+ clear(callback = noop) {
+ debug('MongoStore#clear()');
+ this.collectionP
+ .then(collection => collection.drop())
+ .then(() => callback(null))
+ .catch(err => callback(err));
+ }
+ /**
+ * Close database connection
+ */
+ close() {
+ debug('MongoStore#close()');
+ return this.clientP.then(c => c.close());
+ }
+}
+exports.default = MongoStore;
+//# 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