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Diffstat (limited to 'server/util-server.js')
-rw-r--r-- | server/util-server.js | 1064 |
1 files changed, 1064 insertions, 0 deletions
diff --git a/server/util-server.js b/server/util-server.js new file mode 100644 index 0000000..5ebc62a --- /dev/null +++ b/server/util-server.js @@ -0,0 +1,1064 @@ +const tcpp = require("tcp-ping"); +const ping = require("@louislam/ping"); +const { R } = require("redbean-node"); +const { log, genSecret, badgeConstants } = require("../src/util"); +const passwordHash = require("./password-hash"); +const { Resolver } = require("dns"); +const iconv = require("iconv-lite"); +const chardet = require("chardet"); +const chroma = require("chroma-js"); +const mssql = require("mssql"); +const { Client } = require("pg"); +const postgresConParse = require("pg-connection-string").parse; +const mysql = require("mysql2"); +const { NtlmClient } = require("./modules/axios-ntlm/lib/ntlmClient.js"); +const { Settings } = require("./settings"); +const grpc = require("@grpc/grpc-js"); +const protojs = require("protobufjs"); +const radiusClient = require("node-radius-client"); +const redis = require("redis"); +const oidc = require("openid-client"); +const tls = require("tls"); + +const { + dictionaries: { + rfc2865: { file, attributes }, + }, +} = require("node-radius-utils"); +const dayjs = require("dayjs"); + +// SASLOptions used in JSDoc +// eslint-disable-next-line no-unused-vars +const { Kafka, SASLOptions } = require("kafkajs"); +const crypto = require("crypto"); + +const isWindows = process.platform === /^win/.test(process.platform); +/** + * Init or reset JWT secret + * @returns {Promise<Bean>} JWT secret + */ +exports.initJWTSecret = async () => { + let jwtSecretBean = await R.findOne("setting", " `key` = ? ", [ + "jwtSecret", + ]); + + if (!jwtSecretBean) { + jwtSecretBean = R.dispense("setting"); + jwtSecretBean.key = "jwtSecret"; + } + + jwtSecretBean.value = passwordHash.generate(genSecret()); + await R.store(jwtSecretBean); + return jwtSecretBean; +}; + +/** + * Decodes a jwt and returns the payload portion without verifying the jqt. + * @param {string} jwt The input jwt as a string + * @returns {object} Decoded jwt payload object + */ +exports.decodeJwt = (jwt) => { + return JSON.parse(Buffer.from(jwt.split(".")[1], "base64").toString()); +}; + +/** + * Gets a Access Token form a oidc/oauth2 provider + * @param {string} tokenEndpoint The token URI form the auth service provider + * @param {string} clientId The oidc/oauth application client id + * @param {string} clientSecret The oidc/oauth application client secret + * @param {string} scope The scope the for which the token should be issued for + * @param {string} authMethod The method on how to sent the credentials. Default client_secret_basic + * @returns {Promise<oidc.TokenSet>} TokenSet promise if the token request was successful + */ +exports.getOidcTokenClientCredentials = async (tokenEndpoint, clientId, clientSecret, scope, authMethod = "client_secret_basic") => { + const oauthProvider = new oidc.Issuer({ token_endpoint: tokenEndpoint }); + let client = new oauthProvider.Client({ + client_id: clientId, + client_secret: clientSecret, + token_endpoint_auth_method: authMethod + }); + + // Increase default timeout and clock tolerance + client[oidc.custom.http_options] = () => ({ timeout: 10000 }); + client[oidc.custom.clock_tolerance] = 5; + + let grantParams = { grant_type: "client_credentials" }; + if (scope) { + grantParams.scope = scope; + } + return await client.grant(grantParams); +}; + +/** + * Send TCP request to specified hostname and port + * @param {string} hostname Hostname / address of machine + * @param {number} port TCP port to test + * @returns {Promise<number>} Maximum time in ms rounded to nearest integer + */ +exports.tcping = function (hostname, port) { + return new Promise((resolve, reject) => { + tcpp.ping({ + address: hostname, + port: port, + attempts: 1, + }, function (err, data) { + + if (err) { + reject(err); + } + + if (data.results.length >= 1 && data.results[0].err) { + reject(data.results[0].err); + } + + resolve(Math.round(data.max)); + }); + }); +}; + +/** + * Ping the specified machine + * @param {string} hostname Hostname / address of machine + * @param {number} size Size of packet to send + * @returns {Promise<number>} Time for ping in ms rounded to nearest integer + */ +exports.ping = async (hostname, size = 56) => { + try { + return await exports.pingAsync(hostname, false, size); + } catch (e) { + // If the host cannot be resolved, try again with ipv6 + log.debug("ping", "IPv6 error message: " + e.message); + + // As node-ping does not report a specific error for this, try again if it is an empty message with ipv6 no matter what. + if (!e.message) { + return await exports.pingAsync(hostname, true, size); + } else { + throw e; + } + } +}; + +/** + * Ping the specified machine + * @param {string} hostname Hostname / address of machine to ping + * @param {boolean} ipv6 Should IPv6 be used? + * @param {number} size Size of ping packet to send + * @returns {Promise<number>} Time for ping in ms rounded to nearest integer + */ +exports.pingAsync = function (hostname, ipv6 = false, size = 56) { + return new Promise((resolve, reject) => { + ping.promise.probe(hostname, { + v6: ipv6, + min_reply: 1, + deadline: 10, + packetSize: size, + }).then((res) => { + // If ping failed, it will set field to unknown + if (res.alive) { + resolve(res.time); + } else { + if (isWindows) { + reject(new Error(exports.convertToUTF8(res.output))); + } else { + reject(new Error(res.output)); + } + } + }).catch((err) => { + reject(err); + }); + }); +}; + +/** + * Monitor Kafka using Producer + * @param {string[]} brokers List of kafka brokers to connect, host and + * port joined by ':' + * @param {string} topic Topic name to produce into + * @param {string} message Message to produce + * @param {object} options Kafka client options. Contains ssl, clientId, + * allowAutoTopicCreation and interval (interval defaults to 20, + * allowAutoTopicCreation defaults to false, clientId defaults to + * "Uptime-Kuma" and ssl defaults to false) + * @param {SASLOptions} saslOptions Options for kafka client + * Authentication (SASL) (defaults to {}) + * @returns {Promise<string>} Status message + */ +exports.kafkaProducerAsync = function (brokers, topic, message, options = {}, saslOptions = {}) { + return new Promise((resolve, reject) => { + const { interval = 20, allowAutoTopicCreation = false, ssl = false, clientId = "Uptime-Kuma" } = options; + + let connectedToKafka = false; + + const timeoutID = setTimeout(() => { + log.debug("kafkaProducer", "KafkaProducer timeout triggered"); + connectedToKafka = true; + reject(new Error("Timeout")); + }, interval * 1000 * 0.8); + + if (saslOptions.mechanism === "None") { + saslOptions = undefined; + } + + let client = new Kafka({ + brokers: brokers, + clientId: clientId, + sasl: saslOptions, + retry: { + retries: 0, + }, + ssl: ssl, + }); + + let producer = client.producer({ + allowAutoTopicCreation: allowAutoTopicCreation, + retry: { + retries: 0, + } + }); + + producer.connect().then( + () => { + producer.send({ + topic: topic, + messages: [{ + value: message, + }], + }).then((_) => { + resolve("Message sent successfully"); + }).catch((e) => { + connectedToKafka = true; + producer.disconnect(); + clearTimeout(timeoutID); + reject(new Error("Error sending message: " + e.message)); + }).finally(() => { + connectedToKafka = true; + clearTimeout(timeoutID); + }); + } + ).catch( + (e) => { + connectedToKafka = true; + producer.disconnect(); + clearTimeout(timeoutID); + reject(new Error("Error in producer connection: " + e.message)); + } + ); + + producer.on("producer.network.request_timeout", (_) => { + if (!connectedToKafka) { + clearTimeout(timeoutID); + reject(new Error("producer.network.request_timeout")); + } + }); + + producer.on("producer.disconnect", (_) => { + if (!connectedToKafka) { + clearTimeout(timeoutID); + reject(new Error("producer.disconnect")); + } + }); + }); +}; + +/** + * Use NTLM Auth for a http request. + * @param {object} options The http request options + * @param {object} ntlmOptions The auth options + * @returns {Promise<(string[] | object[] | object)>} NTLM response + */ +exports.httpNtlm = function (options, ntlmOptions) { + return new Promise((resolve, reject) => { + let client = NtlmClient(ntlmOptions); + + client(options) + .then((resp) => { + resolve(resp); + }) + .catch((err) => { + reject(err); + }); + }); +}; + +/** + * Resolves a given record using the specified DNS server + * @param {string} hostname The hostname of the record to lookup + * @param {string} resolverServer The DNS server to use + * @param {string} resolverPort Port the DNS server is listening on + * @param {string} rrtype The type of record to request + * @returns {Promise<(string[] | object[] | object)>} DNS response + */ +exports.dnsResolve = function (hostname, resolverServer, resolverPort, rrtype) { + const resolver = new Resolver(); + // Remove brackets from IPv6 addresses so we can re-add them to + // prevent issues with ::1:5300 (::1 port 5300) + resolverServer = resolverServer.replace("[", "").replace("]", ""); + resolver.setServers([ `[${resolverServer}]:${resolverPort}` ]); + return new Promise((resolve, reject) => { + if (rrtype === "PTR") { + resolver.reverse(hostname, (err, records) => { + if (err) { + reject(err); + } else { + resolve(records); + } + }); + } else { + resolver.resolve(hostname, rrtype, (err, records) => { + if (err) { + reject(err); + } else { + resolve(records); + } + }); + } + }); +}; + +/** + * Run a query on SQL Server + * @param {string} connectionString The database connection string + * @param {string} query The query to validate the database with + * @returns {Promise<(string[] | object[] | object)>} Response from + * server + */ +exports.mssqlQuery = async function (connectionString, query) { + let pool; + try { + pool = new mssql.ConnectionPool(connectionString); + await pool.connect(); + if (!query) { + query = "SELECT 1"; + } + await pool.request().query(query); + pool.close(); + } catch (e) { + if (pool) { + pool.close(); + } + throw e; + } +}; + +/** + * Run a query on Postgres + * @param {string} connectionString The database connection string + * @param {string} query The query to validate the database with + * @returns {Promise<(string[] | object[] | object)>} Response from + * server + */ +exports.postgresQuery = function (connectionString, query) { + return new Promise((resolve, reject) => { + const config = postgresConParse(connectionString); + + // Fix #3868, which true/false is not parsed to boolean + if (typeof config.ssl === "string") { + config.ssl = config.ssl === "true"; + } + + if (config.password === "") { + // See https://github.com/brianc/node-postgres/issues/1927 + reject(new Error("Password is undefined.")); + return; + } + const client = new Client(config); + + client.on("error", (error) => { + log.debug("postgres", "Error caught in the error event handler."); + reject(error); + }); + + client.connect((err) => { + if (err) { + reject(err); + client.end(); + } else { + // Connected here + try { + // No query provided by user, use SELECT 1 + if (!query || (typeof query === "string" && query.trim() === "")) { + query = "SELECT 1"; + } + + client.query(query, (err, res) => { + if (err) { + reject(err); + } else { + resolve(res); + } + client.end(); + }); + } catch (e) { + reject(e); + client.end(); + } + } + }); + + }); +}; + +/** + * Run a query on MySQL/MariaDB + * @param {string} connectionString The database connection string + * @param {string} query The query to validate the database with + * @param {?string} password The password to use + * @returns {Promise<(string)>} Response from server + */ +exports.mysqlQuery = function (connectionString, query, password = undefined) { + return new Promise((resolve, reject) => { + const connection = mysql.createConnection({ + uri: connectionString, + password + }); + + connection.on("error", (err) => { + reject(err); + }); + + connection.query(query, (err, res) => { + if (err) { + reject(err); + } else { + if (Array.isArray(res)) { + resolve("Rows: " + res.length); + } else { + resolve("No Error, but the result is not an array. Type: " + typeof res); + } + } + + try { + connection.end(); + } catch (_) { + connection.destroy(); + } + }); + }); +}; + +/** + * Query radius server + * @param {string} hostname Hostname of radius server + * @param {string} username Username to use + * @param {string} password Password to use + * @param {string} calledStationId ID of called station + * @param {string} callingStationId ID of calling station + * @param {string} secret Secret to use + * @param {number} port Port to contact radius server on + * @param {number} timeout Timeout for connection to use + * @returns {Promise<any>} Response from server + */ +exports.radius = function ( + hostname, + username, + password, + calledStationId, + callingStationId, + secret, + port = 1812, + timeout = 2500, +) { + const client = new radiusClient({ + host: hostname, + hostPort: port, + timeout: timeout, + retries: 1, + dictionaries: [ file ], + }); + + return client.accessRequest({ + secret: secret, + attributes: [ + [ attributes.USER_NAME, username ], + [ attributes.USER_PASSWORD, password ], + [ attributes.CALLING_STATION_ID, callingStationId ], + [ attributes.CALLED_STATION_ID, calledStationId ], + ], + }).catch((error) => { + if (error.response?.code) { + throw Error(error.response.code); + } else { + throw Error(error.message); + } + }); +}; + +/** + * Redis server ping + * @param {string} dsn The redis connection string + * @param {boolean} rejectUnauthorized If false, allows unverified server certificates. + * @returns {Promise<any>} Response from server + */ +exports.redisPingAsync = function (dsn, rejectUnauthorized) { + return new Promise((resolve, reject) => { + const client = redis.createClient({ + url: dsn, + socket: { + rejectUnauthorized + } + }); + client.on("error", (err) => { + if (client.isOpen) { + client.disconnect(); + } + reject(err); + }); + client.connect().then(() => { + if (!client.isOpen) { + client.emit("error", new Error("connection isn't open")); + } + client.ping().then((res, err) => { + if (client.isOpen) { + client.disconnect(); + } + if (err) { + reject(err); + } else { + resolve(res); + } + }).catch(error => reject(error)); + }); + }); +}; + +/** + * Retrieve value of setting based on key + * @param {string} key Key of setting to retrieve + * @returns {Promise<any>} Value + * @deprecated Use await Settings.get(key) + */ +exports.setting = async function (key) { + return await Settings.get(key); +}; + +/** + * Sets the specified setting to specified value + * @param {string} key Key of setting to set + * @param {any} value Value to set to + * @param {?string} type Type of setting + * @returns {Promise<void>} + */ +exports.setSetting = async function (key, value, type = null) { + await Settings.set(key, value, type); +}; + +/** + * Get settings based on type + * @param {string} type The type of setting + * @returns {Promise<Bean>} Settings of requested type + */ +exports.getSettings = async function (type) { + return await Settings.getSettings(type); +}; + +/** + * Set settings based on type + * @param {string} type Type of settings to set + * @param {object} data Values of settings + * @returns {Promise<void>} + */ +exports.setSettings = async function (type, data) { + await Settings.setSettings(type, data); +}; + +// ssl-checker by @dyaa +//https://github.com/dyaa/ssl-checker/blob/master/src/index.ts + +/** + * Get number of days between two dates + * @param {Date} validFrom Start date + * @param {Date} validTo End date + * @returns {number} Number of days + */ +const getDaysBetween = (validFrom, validTo) => + Math.round(Math.abs(+validFrom - +validTo) / 8.64e7); + +/** + * Get days remaining from a time range + * @param {Date} validFrom Start date + * @param {Date} validTo End date + * @returns {number} Number of days remaining + */ +const getDaysRemaining = (validFrom, validTo) => { + const daysRemaining = getDaysBetween(validFrom, validTo); + if (new Date(validTo).getTime() < new Date().getTime()) { + return -daysRemaining; + } + return daysRemaining; +}; + +/** + * Fix certificate info for display + * @param {object} info The chain obtained from getPeerCertificate() + * @returns {object} An object representing certificate information + * @throws The certificate chain length exceeded 500. + */ +const parseCertificateInfo = function (info) { + let link = info; + let i = 0; + + const existingList = {}; + + while (link) { + log.debug("cert", `[${i}] ${link.fingerprint}`); + + if (!link.valid_from || !link.valid_to) { + break; + } + link.validTo = new Date(link.valid_to); + link.validFor = link.subjectaltname?.replace(/DNS:|IP Address:/g, "").split(", "); + link.daysRemaining = getDaysRemaining(new Date(), link.validTo); + + existingList[link.fingerprint] = true; + + // Move up the chain until loop is encountered + if (link.issuerCertificate == null) { + link.certType = (i === 0) ? "self-signed" : "root CA"; + break; + } else if (link.issuerCertificate.fingerprint in existingList) { + // a root CA certificate is typically "signed by itself" (=> "self signed certificate") and thus the "issuerCertificate" is a reference to itself. + log.debug("cert", `[Last] ${link.issuerCertificate.fingerprint}`); + link.certType = (i === 0) ? "self-signed" : "root CA"; + link.issuerCertificate = null; + break; + } else { + link.certType = (i === 0) ? "server" : "intermediate CA"; + link = link.issuerCertificate; + } + + // Should be no use, but just in case. + if (i > 500) { + throw new Error("Dead loop occurred in parseCertificateInfo"); + } + i++; + } + + return info; +}; + +/** + * Check if certificate is valid + * @param {tls.TLSSocket} socket TLSSocket, which may or may not be connected + * @returns {object} Object containing certificate information + */ +exports.checkCertificate = function (socket) { + let certInfoStartTime = dayjs().valueOf(); + + // Return null if there is no socket + if (socket === undefined || socket == null) { + return null; + } + + const info = socket.getPeerCertificate(true); + const valid = socket.authorized || false; + + log.debug("cert", "Parsing Certificate Info"); + const parsedInfo = parseCertificateInfo(info); + + if (process.env.TIMELOGGER === "1") { + log.debug("monitor", "Cert Info Query Time: " + (dayjs().valueOf() - certInfoStartTime) + "ms"); + } + + return { + valid: valid, + certInfo: parsedInfo + }; +}; + +/** + * Check if the provided status code is within the accepted ranges + * @param {number} status The status code to check + * @param {string[]} acceptedCodes An array of accepted status codes + * @returns {boolean} True if status code within range, false otherwise + */ +exports.checkStatusCode = function (status, acceptedCodes) { + if (acceptedCodes == null || acceptedCodes.length === 0) { + return false; + } + + for (const codeRange of acceptedCodes) { + if (typeof codeRange !== "string") { + log.error("monitor", `Accepted status code not a string. ${codeRange} is of type ${typeof codeRange}`); + continue; + } + + const codeRangeSplit = codeRange.split("-").map(string => parseInt(string)); + if (codeRangeSplit.length === 1) { + if (status === codeRangeSplit[0]) { + return true; + } + } else if (codeRangeSplit.length === 2) { + if (status >= codeRangeSplit[0] && status <= codeRangeSplit[1]) { + return true; + } + } else { + log.error("monitor", `${codeRange} is not a valid status code range`); + continue; + } + } + + return false; +}; + +/** + * Get total number of clients in room + * @param {Server} io Socket server instance + * @param {string} roomName Name of room to check + * @returns {number} Total clients in room + */ +exports.getTotalClientInRoom = (io, roomName) => { + + const sockets = io.sockets; + + if (!sockets) { + return 0; + } + + const adapter = sockets.adapter; + + if (!adapter) { + return 0; + } + + const room = adapter.rooms.get(roomName); + + if (room) { + return room.size; + } else { + return 0; + } +}; + +/** + * Allow CORS all origins if development + * @param {object} res Response object from axios + * @returns {void} + */ +exports.allowDevAllOrigin = (res) => { + if (process.env.NODE_ENV === "development") { + exports.allowAllOrigin(res); + } +}; + +/** + * Allow CORS all origins + * @param {object} res Response object from axios + * @returns {void} + */ +exports.allowAllOrigin = (res) => { + res.header("Access-Control-Allow-Origin", "*"); + res.header("Access-Control-Allow-Methods", "GET, PUT, POST, DELETE, OPTIONS"); + res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept"); +}; + +/** + * Check if a user is logged in + * @param {Socket} socket Socket instance + * @returns {void} + * @throws The user is not logged in + */ +exports.checkLogin = (socket) => { + if (!socket.userID) { + throw new Error("You are not logged in."); + } +}; + +/** + * For logged-in users, double-check the password + * @param {Socket} socket Socket.io instance + * @param {string} currentPassword Password to validate + * @returns {Promise<Bean>} User + * @throws The current password is not a string + * @throws The provided password is not correct + */ +exports.doubleCheckPassword = async (socket, currentPassword) => { + if (typeof currentPassword !== "string") { + throw new Error("Wrong data type?"); + } + + let user = await R.findOne("user", " id = ? AND active = 1 ", [ + socket.userID, + ]); + + if (!user || !passwordHash.verify(currentPassword, user.password)) { + throw new Error("Incorrect current password"); + } + + return user; +}; + +/** + * Convert unknown string to UTF8 + * @param {Uint8Array} body Buffer + * @returns {string} UTF8 string + */ +exports.convertToUTF8 = (body) => { + const guessEncoding = chardet.detect(body); + const str = iconv.decode(body, guessEncoding); + return str.toString(); +}; + +/** + * Returns a color code in hex format based on a given percentage: + * 0% => hue = 10 => red + * 100% => hue = 90 => green + * @param {number} percentage float, 0 to 1 + * @param {number} maxHue Maximum hue - int + * @param {number} minHue Minimum hue - int + * @returns {string} Color in hex + */ +exports.percentageToColor = (percentage, maxHue = 90, minHue = 10) => { + const hue = percentage * (maxHue - minHue) + minHue; + try { + return chroma(`hsl(${hue}, 90%, 40%)`).hex(); + } catch (err) { + return badgeConstants.naColor; + } +}; + +/** + * Joins and array of string to one string after filtering out empty values + * @param {string[]} parts Strings to join + * @param {string} connector Separator for joined strings + * @returns {string} Joined strings + */ +exports.filterAndJoin = (parts, connector = "") => { + return parts.filter((part) => !!part && part !== "").join(connector); +}; + +/** + * Send an Error response + * @param {object} res Express response object + * @param {string} msg Message to send + * @returns {void} + */ +module.exports.sendHttpError = (res, msg = "") => { + if (msg.includes("SQLITE_BUSY") || msg.includes("SQLITE_LOCKED")) { + res.status(503).json({ + "status": "fail", + "msg": msg, + }); + } else if (msg.toLowerCase().includes("not found")) { + res.status(404).json({ + "status": "fail", + "msg": msg, + }); + } else { + res.status(403).json({ + "status": "fail", + "msg": msg, + }); + } +}; + +/** + * Convert timezone of time object + * @param {object} obj Time object to update + * @param {string} timezone New timezone to set + * @param {boolean} timeObjectToUTC Convert time object to UTC + * @returns {object} Time object with updated timezone + */ +function timeObjectConvertTimezone(obj, timezone, timeObjectToUTC = true) { + let offsetString; + + if (timezone) { + offsetString = dayjs().tz(timezone).format("Z"); + } else { + offsetString = dayjs().format("Z"); + } + + let hours = parseInt(offsetString.substring(1, 3)); + let minutes = parseInt(offsetString.substring(4, 6)); + + if ( + (timeObjectToUTC && offsetString.startsWith("+")) || + (!timeObjectToUTC && offsetString.startsWith("-")) + ) { + hours *= -1; + minutes *= -1; + } + + obj.hours += hours; + obj.minutes += minutes; + + // Handle out of bound + if (obj.minutes < 0) { + obj.minutes += 60; + obj.hours--; + } else if (obj.minutes > 60) { + obj.minutes -= 60; + obj.hours++; + } + + if (obj.hours < 0) { + obj.hours += 24; + } else if (obj.hours > 24) { + obj.hours -= 24; + } + + return obj; +} + +/** + * Convert time object to UTC + * @param {object} obj Object to convert + * @param {string} timezone Timezone of time object + * @returns {object} Updated time object + */ +module.exports.timeObjectToUTC = (obj, timezone = undefined) => { + return timeObjectConvertTimezone(obj, timezone, true); +}; + +/** + * Convert time object to local time + * @param {object} obj Object to convert + * @param {string} timezone Timezone to convert to + * @returns {object} Updated object + */ +module.exports.timeObjectToLocal = (obj, timezone = undefined) => { + return timeObjectConvertTimezone(obj, timezone, false); +}; + +/** + * Create gRPC client stib + * @param {object} options from gRPC client + * @returns {Promise<object>} Result of gRPC query + */ +module.exports.grpcQuery = async (options) => { + const { grpcUrl, grpcProtobufData, grpcServiceName, grpcEnableTls, grpcMethod, grpcBody } = options; + const protocObject = protojs.parse(grpcProtobufData); + const protoServiceObject = protocObject.root.lookupService(grpcServiceName); + const Client = grpc.makeGenericClientConstructor({}); + const credentials = grpcEnableTls ? grpc.credentials.createSsl() : grpc.credentials.createInsecure(); + const client = new Client( + grpcUrl, + credentials + ); + const grpcService = protoServiceObject.create(function (method, requestData, cb) { + const fullServiceName = method.fullName; + const serviceFQDN = fullServiceName.split("."); + const serviceMethod = serviceFQDN.pop(); + const serviceMethodClientImpl = `/${serviceFQDN.slice(1).join(".")}/${serviceMethod}`; + log.debug("monitor", `gRPC method ${serviceMethodClientImpl}`); + client.makeUnaryRequest( + serviceMethodClientImpl, + arg => arg, + arg => arg, + requestData, + cb); + }, false, false); + return new Promise((resolve, _) => { + try { + return grpcService[`${grpcMethod}`](JSON.parse(grpcBody), function (err, response) { + const responseData = JSON.stringify(response); + if (err) { + return resolve({ + code: err.code, + errorMessage: err.details, + data: "" + }); + } else { + log.debug("monitor:", `gRPC response: ${JSON.stringify(response)}`); + return resolve({ + code: 1, + errorMessage: "", + data: responseData + }); + } + }); + } catch (err) { + return resolve({ + code: -1, + errorMessage: `Error ${err}. Please review your gRPC configuration option. The service name must not include package name value, and the method name must follow camelCase format`, + data: "" + }); + } + + }); +}; + +/** + * Returns an array of SHA256 fingerprints for all known root certificates. + * @returns {Set} A set of SHA256 fingerprints. + */ +module.exports.rootCertificatesFingerprints = () => { + let fingerprints = tls.rootCertificates.map(cert => { + let certLines = cert.split("\n"); + certLines.shift(); + certLines.pop(); + let certBody = certLines.join(""); + let buf = Buffer.from(certBody, "base64"); + + const shasum = crypto.createHash("sha256"); + shasum.update(buf); + + return shasum.digest("hex").toUpperCase().replace(/(.{2})(?!$)/g, "$1:"); + }); + + fingerprints.push("6D:99:FB:26:5E:B1:C5:B3:74:47:65:FC:BC:64:8F:3C:D8:E1:BF:FA:FD:C4:C2:F9:9B:9D:47:CF:7F:F1:C2:4F"); // ISRG X1 cross-signed with DST X3 + fingerprints.push("8B:05:B6:8C:C6:59:E5:ED:0F:CB:38:F2:C9:42:FB:FD:20:0E:6F:2F:F9:F8:5D:63:C6:99:4E:F5:E0:B0:27:01"); // ISRG X2 cross-signed with ISRG X1 + + return new Set(fingerprints); +}; + +module.exports.SHAKE256_LENGTH = 16; + +/** + * @param {string} data The data to be hashed + * @param {number} len Output length of the hash + * @returns {string} The hashed data in hex format + */ +module.exports.shake256 = (data, len) => { + if (!data) { + return ""; + } + return crypto.createHash("shake256", { outputLength: len }) + .update(data) + .digest("hex"); +}; + +/** + * Non await sleep + * Source: https://stackoverflow.com/questions/59099454/is-there-a-way-to-call-sleep-without-await-keyword + * @param {number} n Milliseconds to wait + * @returns {void} + */ +module.exports.wait = (n) => { + Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, n); +}; + +// For unit test, export functions +if (process.env.TEST_BACKEND) { + module.exports.__test = { + parseCertificateInfo, + }; + module.exports.__getPrivateFunction = (functionName) => { + return module.exports.__test[functionName]; + }; +} + +/** + * Generates an abort signal with the specified timeout. + * @param {number} timeoutMs - The timeout in milliseconds. + * @returns {AbortSignal | null} - The generated abort signal, or null if not supported. + */ +module.exports.axiosAbortSignal = (timeoutMs) => { + try { + // Just in case, as 0 timeout here will cause the request to be aborted immediately + if (!timeoutMs || timeoutMs <= 0) { + timeoutMs = 5000; + } + return AbortSignal.timeout(timeoutMs); + } catch (_) { + // v16-: AbortSignal.timeout is not supported + try { + const abortController = new AbortController(); + setTimeout(() => abortController.abort(), timeoutMs); + + return abortController.signal; + } catch (_) { + // v15-: AbortController is not supported + return null; + } + } +}; |