diff options
author | bobzel <zzzman@gmail.com> | 2024-05-17 14:55:36 -0400 |
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committer | bobzel <zzzman@gmail.com> | 2024-05-17 14:55:36 -0400 |
commit | 0b451af28e5aef6b749da61e8a9fcd0a840789ac (patch) | |
tree | bdee4e28ee4715b69299a8da1b615c70b6adc445 /src/server/ApiManagers/MongoStore.js | |
parent | 8c1b420a143e4b72ec551277887c211ca6ca003b (diff) | |
parent | 38a382a03675d6a50ec7de75f05025efd093f570 (diff) |
merged with new master
Diffstat (limited to 'src/server/ApiManagers/MongoStore.js')
-rw-r--r-- | src/server/ApiManagers/MongoStore.js | 413 |
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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