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+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;
+ }
+ }
+};