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main.js
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const base64url = require('base64url');
const crypto = require('crypto');
const fs = require('fs');
const log4js = require('log4js');
const utils = require("./fido2-node-lib/utils")
require('dotenv').config();
const { v4: uuidv4 } = require('uuid');
const { env } = require("process");
log4js.configure('log4js-conf.json');
const logger = log4js.getLogger();
//logger.level = process.env.LOG4JS_LEVEL;
//console.log(process.version)
logger.info('Running on nodejs:' + process.version)
const port = process.env.PORT || 443;
const mysql = require('mysql2');
const mysql_pool = mysql.createPool({
waitForConnections: true, // Wait for a connection to be available if the pool is full
queueLimit: 0, // Maximum number of queued connection requests (0 = unlimited)
connectTimeout: process.env.MYSQL_CONNECTION_TIMEOUT || 10000, // Connection timeout in milliseconds
//idleTimeoutMillis: Idle connection timeout in milliseconds. Ignored in mysql2 version > 2.0.0.
connectionLimit : process.env.MYSQL_POOL_LIMIT || 10,
host: process.env.MYSQL_HOST || 'localhost',
database: process.env.MYSQL_DATABASE || 'fido2_node_db',
user: process.env.MYSQL_USER || 'root',
password: process.env.MYSQL_PASSWD || '',
stringifyObjects: true,
});
var SqlString = require('sqlstring');
var server
if(process.env.SSLKEY && process.env.SSLCRT){
const options = {
key: fs.readFileSync(process.env.SSLKEY),
cert: fs.readFileSync(process.env.SSLCRT)
};
const https = require("https");
server = https.createServer(options)
}else{
const http = require("http");
server = http.createServer({})
}
const DEFAULT_FIDO_RPID = process.env.DEFAULT_FIDO_RPID
const FIDO_ORIGIN = process.env.FIDO_ORIGIN
const DOMAIN_JSON_FN = 'domain.json';
var domains_conf
var registeredRps
var enterpriseRps
var enterpriseAaguids
var deviceBindedKeys
var userSessionActiveTimeout
var userSessionHardTimeout
var processTimeout
var regSessionTimeout
var registerableDeviceLimit
let database = new Map();//use json as DB, all data will lost after restart program.
let user_sessions = new Map();
loadDomains();
let mapCredidUsername = {};//Link cred ids with usernames
let sessions = {};
const {mds3_client} = require("./mds3.js")
server.on('request', AppController);
server.listen(port);
//console.log(`Started server: ${port}`);
logger.info(`Started server: ${port}`);
setInterval(function(){
clearTimeoutSessions();
},
60*1000);
function loadDomains(){
domains_conf = JSON.parse(fs.readFileSync(DOMAIN_JSON_FN, 'utf8'));
registeredRps = [];
enterpriseRps = [];
passkeySync = new Map();
enterpriseAaguids = new Map();
deviceBindedKeys = new Map();
userSessionActiveTimeout = new Map(); //Seconds
userSessionHardTimeout = new Map(); //Seconds
processTimeout = new Map(); //ms
regSessionTimeout = new Map(); //Seconds
userVerificationReg = new Map();
userVerificationAuth = new Map();
registerableDeviceLimit = new Map();
domains_conf.domains.forEach(element => {
registeredRps.push(element.domain)
if(element.passkey_sync){
passkeySync.set(element.domain, element.passkey_sync)
deviceBindedKeys.set(element.domain, false)
}else{
passkeySync.set(element.domain, false)
if(element.device_bind_key)deviceBindedKeys.set(element.domain, element.device_bind_key)
else deviceBindedKeys.set(element.domain, false)
if(element.enterprise){
enterpriseRps.push(element.domain)
if(element.enterprise_aaguids){
enterpriseAaguids.set(element.domain, element.enterprise_aaguids)
}
}
}
if(element.uv_reg)userVerificationReg.set(element.domain, element.uv_reg)
else userVerificationReg.set(element.domain, "preferred")
if(element.uv_auth)userVerificationAuth.set(element.domain, element.uv_auth)
else userVerificationAuth.set(element.domain, "preferred")
if(element.device_limit && 0 < element.device_limit)registerableDeviceLimit.set(element.domain, element.device_limit)
if(element.user_session_active_timeout)userSessionActiveTimeout.set(element.domain, element.user_session_active_timeout)
else userSessionActiveTimeout.set(element.domain, 15*60) //Seconds
if(element.user_session_hard_timeout)userSessionHardTimeout.set(element.domain, element.user_session_hard_timeout)
else userSessionHardTimeout.set(element.domain, 24*60*60) //Seconds
if(element.process_timeout)processTimeout.set(element.domain, element.process_timeout*1000)
else processTimeout.set(element.domain, 10*60*1000) //ms
if(element.registration_session_timeout)regSessionTimeout.set(element.domain, element.registration_session_timeout)
else regSessionTimeout.set(element.domain, 15*60) //Seconds
});
if('mem' == process.env.STORAGE_TYPE){
registeredRps.forEach(element => {
if(!database.get(element)) database.set(element, new Map());
});
for (const key of database.keys()) {
if( 0 > registeredRps.indexOf(key) ){
database.delete(key)
}
}
}else if('mysql' == process.env.STORAGE_TYPE){
setRps(registeredRps);
}
}
function getDomainJSON(domain){
var rtn = null
domains_conf = JSON.parse(fs.readFileSync(DOMAIN_JSON_FN, 'utf8'));
for(let i = 0 ; i < domains_conf.domains.length ; i++){
if(domains_conf.domains[i].domain == domain){
rtn = domains_conf.domains[i]
break
}
}
return rtn
}
async function AppController(request, response) {
const url = new URL(request.url, `https://${request.headers.host}`)
if(request.method === 'GET') {
// ====== heartbeat method ======
if( url.pathname.startsWith('/isworking') ){
var connection;
try {
connection = await new Promise((resolve, reject) => {
mysql_pool.getConnection((error, connection) => {
if (error) reject(error)
resolve(connection)
})
})
const results = await new Promise((resolve, reject) => {
connection.query('SELECT rp_id from registered_rps limit 1',
(error, results) => {
if (error) reject(error)
resolve(results)
})
})
response.end("fido2-node is Working.");
}catch (err) {
logger.error('DB err:'+err)
response.writeHead(404, {"Content-Type": "text/html"});
response.write("<html><body><h1>404 Not Found</h1></body></html>");
response.end();
} finally {
connection.release()
}
}else{
let html=""
try{
/*let real_path;
if(url.pathname === '/')real_path='fido2.html'
else real_path = url.pathname
html = require('fs').readFileSync('views/'+real_path);*/
html = require('fs').readFileSync('views/'+url.pathname);
}catch(ex){
html=ex.message
}
response.writeHead(200, {'Content-Type': 'text/html'});
response.end(html);
}
} else if(request.method === 'OPTIONS') {
try{
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST");
response.setHeader("Access-Control-Allow-Headers", "Content-Type, Authorization, access_token");
response.setHeader("Access-Control-Allow-Credentials", "true");
response.end('OK');
return
}catch(ex){
logger.error("EX: " + ex.message + ";" + ex.stack)
let rtn={};
rtn.status ='failed',
rtn.errorMessage = 'SvrErr999:Exception:' + ex.message
response.end(JSON.stringify(rtn));
}
} else if(request.method === 'POST') {
try{
var req_origin = FIDO_ORIGIN, req_host
if(request.headers['referer']){
const remoteURL = new URL(request.headers['referer'])
req_host = remoteURL.hostname
req_origin = remoteURL.protocol + "//" + req_host
}
let real_path;
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST");
response.setHeader("Access-Control-Allow-Headers", "Content-Type, Authorization, access_token");
response.setHeader("Access-Control-Allow-Credentials", "true");
if(url.pathname == '/assertion/options'){
const body = await loadJsonBody(request)
let username = body.username;
//Client-side discoverable Credential does not pass username
let rpId=checkRpId(body, req_host, response)
if(null==rpId)return
let user = await getUserData(rpId, username)
if(username && username.length > 0 && (!user || !user.registered)) {
response.end(JSON.stringify({
'status': 'failed',
'errorMessage': `SvrErr105:Username ${username} does not exist!`
}));
return
}
let fido2Lib = getFido2Lib(rpId, body)
let authnOptions = await fido2Lib.assertionOptions(body);
/* dqj: set by lib
if(!username){//Try discoverable
authnOptions["mediation"] = "conditional"
}*/
//authnOptions.authenticatorSelection = setUserVerification(rpId, body.authenticatorSelection, userVerificationAuth);
if(process.env.FIDO_CONFORMANCE_TEST && body.userVerification){
authnOptions.userVerification=body.userVerification
}else{//Server can force userVerification in our system.
var uv = 'preferred'
if(userVerificationAuth.get(rpId)){
if(userVerificationAuth.get(rpId) != '_client'){
uv = userVerificationAuth.get(rpId)
}else if(body.userVerification)uv = body.userVerification
}
authnOptions.userVerification = uv;
}
let challengeTxt = uuidv4()
let challengeBase64 = base64url.encode(challengeTxt) //To fit to the challenge of CollectedClientData
authnOptions.challenge = challengeBase64 //Array.from(new TextEncoder().encode(challengeTxt))
let allowCredentials = [];
if( username && username.length > 0 ){
let attestations = await getAttestationData(rpId, username)
for(let authr of attestations) {
allowCredentials.push({
type: 'public-key',
id: base64url.encode(authr.credId), //Array.from(new Uint8Array(authr.credId)),
transports: ['internal', 'hybrid', 'usb', 'nfc', 'ble']// can be overrided by client
})
}
authnOptions.allowCredentials = allowCredentials;
if(passkeySync.get(rpId)){
authnOptions.extensions.passkeySync = true
authnOptions.extensions.deviceBinded = false
}else if(deviceBindedKeys.get(rpId)){
authnOptions.extensions.deviceBinded = true
}
//console.log(authnOptions);
logger.debug(authnOptions);
}
sessions[challengeBase64] = {
'challenge': authnOptions.challenge,
'username': username?username:"",
'fido2lib': fido2Lib,
};
authnOptions.status = 'ok';
authnOptions.errorMessage = '';
if(authnOptions.rpId && authnOptions.rpId.startsWith('.')){
logger.debug('Changed authnOptions.rpId from:'+authnOptions.rpId+' to:'+req_host);
authnOptions.rpId = req_host;
}
response.end(JSON.stringify(authnOptions));
}else if(url.pathname == '/assertion/result'){
const body = await loadJsonBody(request)
const clientData = JSON.parse(stringfy(body.response.clientDataJSON))
if(!body.response.authenticatorData){
let rtn = {
'status': 'failed',
'errorMessage': 'SvrErr115:authenticatorData is not found!'
}
response.end(JSON.stringify(rtn));
return
} else if(!utils.isBase64Url(body.response.authenticatorData)){
let rtn = {
'status': 'failed',
'errorMessage': 'SvrErr116:authenticatorData is not base64 url encoded!'
}
response.end(JSON.stringify(rtn));
return
}
if(!body.response.signature){
let rtn = {
'status': 'failed',
'errorMessage': 'SvrErr117:signature is not found!'
}
response.end(JSON.stringify(rtn));
return
} else if(!utils.isBase64Url(body.response.signature)){
let rtn = {
'status': 'failed',
'errorMessage': 'SvrErr118:signature is not base64 url encoded!'
}
response.end(JSON.stringify(rtn));
return
}
body.response.authenticatorData = new Uint8Array(base64url.toBuffer(body.response.authenticatorData)).buffer; //bufferKeepBase64(body.response.authenticatorData)
body.response.signature = new Uint8Array(base64url.toBuffer(body.response.signature)).buffer; //bufferKeepBase64((body.response.signature))
body.response.userHandle = base64url.toBuffer(body.response.userHandle); //new TextDecoder().decode(new Uint8Array(base64url.toBuffer(body.response.userHandle)).buffer)
body.response.userHandle = stringfy(body.response.userHandle)//new TextDecoder().decode(body.response.userHandle)
body.response.clientDataJSON = new Uint8Array(base64url.toBuffer(body.response.clientDataJSON)).buffer; //bufferKeepBase64(body.response.clientDataJSON)
let attestation = null;
let chkReq = checkResultRequest(body)
if(0 < Object.keys(chkReq).length){
response.end(JSON.stringify(chkReq));
return;
}
//let debugId=new Uint8Array(base64url.toBuffer(body.id)).buffer//for debug
var reqId
if( body.rawId ){
reqId = new Uint8Array(body.rawId);
}
if( !reqId || reqId.length == 0){
reqId = new Uint8Array(base64url.toBuffer(body.id))
}
body.rawId = reqId.buffer;
var challenge = stringfy(clientData.challenge)
if(!utils.isBase64(challenge))challenge = clientData.challenge //Client may encodebase64 the challenge
var realUsername;
var attestations;
if(sessions[challenge].username && sessions[challenge].username.length > 0){
realUsername = sessions[challenge].username
}else {
realUsername = await discoverUserName(reqId)//Client-side discoverable Credential process
}
if(null==sessions[challenge].fido2lib)return
if(realUsername){
attestations = await getAttestationData(sessions[challenge].fido2lib.config.rpId, realUsername)
for( let i = 0 ; attestations && i < attestations.length ; i++ ){
let dbId = attestations[i].credId
if (dbId.byteLength == reqId.byteLength && equlsArrayBuffer(reqId, dbId)) {
attestation = attestations[i];
break;
}
}
}
if( !attestation ){
let rtn = {
'status': 'failed',
'errorMessage': 'SvrErr104:key is not found!'
}
if(realUsername){
await recordUserAction(sessions[challenge].fido2lib.config.rpId, realUsername, 1, challenge, "SvrErr104")
}
response.end(JSON.stringify(rtn));
return
}
const cur_session = sessions[challenge]
delete sessions[challenge]
let user = await getUserData(cur_session.fido2lib.config.rpId, realUsername)
let assertionExpectations = {
challenge: cur_session.challenge,
origin: req_origin, //FIDO_ORIGIN,
rpId: cur_session.fido2lib.config.rpId,
factor: "either",
publicKey: attestation.publickey,
prevCounter: attestation.counter,
userHandle: user.id
};
if(assertionExpectations.rpId && assertionExpectations.rpId.startsWith('.')){
logger.debug('Changed assertionExpectations.rpId from:'+assertionExpectations.rpId+' to:'+req_host);
assertionExpectations.rpId = req_host;
}
body.userVerification = cur_session.fido2lib.config.authenticatorUserVerification
let authnResult = await cur_session.fido2lib.assertionResult(body, assertionExpectations);
//console.log(authnResult);
logger.debug(authnResult)
let rtn='';
if(authnResult.audit.complete) {
const unique_device_id =
authnResult.authnrData.get('extensions') ? (authnResult.authnrData.get('extensions').get('dfido2_device_unique_id') ? authnResult.authnrData.get('extensions').get('dfido2_device_unique_id') : null) : null;
if(deviceBindedKeys.get(cur_session.fido2lib.config.rpId) && null==unique_device_id ){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr106:Unique device id is null!'
}
await recordUserAction(cur_session.fido2lib.config.rpId, realUsername, 1, challenge, "SvrErr106")
} else {
if(deviceBindedKeys.get(cur_session.fido2lib.config.rpId) && null != unique_device_id &&
attestation.unique_device_id !== unique_device_id){
//!bindedDeviceKey(cur_session.fido2lib.config.rpId, cur_session.username, attestation.publickey, unique_device_id)){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr102:Cannot auth with a unique device bound key from a different device!'
}
await recordUserAction(cur_session.fido2lib.config.rpId, realUsername, 1, challenge, "SvrErr102")
}else{
const session_id = await generateUserSession(cur_session.fido2lib.config.rpId, realUsername)
attestation.counter = authnResult.authnrData.get('counter');
rtn = {
status: 'ok',
credId: body.id,
counter: attestation.counter,
username: realUsername,
session: session_id,
errorMessage: ''
}
}
}
} else {
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr103:Can not authenticate signature!'
}
await recordUserAction(cur_session.fido2lib.config.rpId, realUsername, 1, challenge, "SvrErr103")
}
await recordUserAction(cur_session.fido2lib.config.rpId, realUsername, 1, challenge)
response.end(JSON.stringify(rtn));
}else if(url.pathname === '/attestation/options'){
const body = await loadJsonBody(request)
let rpId=checkRpId(body, req_host, response)
if(null==rpId)return
let username = body.username;
let userid;
let user = await getUserData(rpId, username)
if(user) {
userid = user.id;
}else{
userid = uuidv4();
}
let fido2Lib = getFido2Lib(rpId, body)
let registrationOptions = await fido2Lib.attestationOptions();
let challengeTxt = uuidv4()
let challengeBase64 = base64url.encode(challengeTxt) //To fit to the challenge of CollectedClientData
registrationOptions.challenge = challengeBase64//Array.from(new TextEncoder().encode(challengeTxt)) //base64url.encode(uuidv4())//use challenge as session id
registrationOptions.authenticatorSelection = setUserVerification(rpId, body.authenticatorSelection, userVerificationReg);
//Prevent register same authenticator
if(user){
user.attestation = await getAttestationData(rpId, username)
const dvclmt = registerableDeviceLimit.get(rpId)
if(dvclmt && dvclmt <= user.attestation.length){
response.end(JSON.stringify({
'status': 'failed',
'errorMessage': `SvrErr120:User has reached the device limit!`
}));
return
}
let excludeCredentials = [];
for(let authr of user.attestation) {
excludeCredentials.push({
type: 'public-key',
id: base64url.encode(authr.credId), //Array.from(new Uint8Array(authr.credId)),
transports: ['internal', 'hybrid', 'usb', 'nfc', 'ble']
})
}
if(excludeCredentials.length > 0)registrationOptions.excludeCredentials = excludeCredentials
//console.log("excludeCredentials:" + username + " size:" + excludeCredentials.length);
}
registrationOptions.user.id = base64url.encode(userid);
registrationOptions.user.name = username;
registrationOptions.user.displayName = body.displayName?decodeURIComponent(body.displayName):username;
if(body.attestation)registrationOptions.attestation = body.attestation
else if(fido2Lib.config.attestation){
registrationOptions.attestation = fido2Lib.config.attestation
}
if(passkeySync.get(rpId)){
registrationOptions.extensions.passkeySync = true
registrationOptions.extensions.deviceBinded = false
registrationOptions.pubKeyCredParams = [
{type: "public-key", alg: -7},
{type: "public-key", alg: -257}
];
}else if(deviceBindedKeys.get(rpId)){
registrationOptions.extensions.deviceBinded = true
}
//console.log(registrationOptions);
logger.debug(registrationOptions);
if(!user){
await putUserData(rpId, username, userid, registrationOptions.user.displayName, false);
}
sessions[challengeBase64] = {
'challenge': registrationOptions.challenge,
'username': username,
'fido2lib': fido2Lib
};
registrationOptions.status = 'ok';
registrationOptions.errorMessage = '';
if(registrationOptions.rp.id && registrationOptions.rp.id.startsWith('.')){
logger.debug('Changed registrationOptions.rp.id from:'+registrationOptions.rp.id+' to:'+req_host);
registrationOptions.rp.id = req_host;
}
response.end(JSON.stringify(registrationOptions));
}else if( url.pathname == '/attestation/result'){
const body = await loadJsonBody(request)
let rtn={};
let chkReq = checkResultRequest(body)
if(0 < Object.keys(chkReq).length){
response.end(JSON.stringify(chkReq));
return;
}
const clientData = JSON.parse(stringfy(body.response.clientDataJSON))
//For debug
/*const tpAtt = typeof body.response.attestationObject
const attobj=new Buffer.from(body.response.attestationObject)
var ab = new ArrayBuffer(attobj.length);
var view = new Uint8Array(ab);
for (var i = 0; i < attobj.length; ++i) {
view[i] = attobj[i];
}*/
//End of debug
body.rawId = new Uint8Array(base64url.toBuffer(body.rawId)).buffer; //bufferKeepBase64(body.rawId);
body.response.attestationObject = new Uint8Array(base64url.toBuffer(body.response.attestationObject)).buffer//bufferKeepBase64(body.response.attestationObject)
body.response.clientDataJSON = new Uint8Array(base64url.toBuffer(body.response.clientDataJSON)).buffer; //bufferKeepBase64(body.response.clientDataJSON)
//const attestationObject = parser.parseAttestationObject(body.response.attestationObject) //JSON.parse(stringfy(body.response.attestationObject))
var challenge = stringfy(clientData.challenge)
if(!utils.isBase64(challenge))challenge = clientData.challenge //Client may encodebase64 the challenge
const cur_session = sessions[challenge]
delete sessions[challenge]
//console.log("/attestation/result:" + cur_session.username)
if(null==cur_session.fido2lib)return
let attestationExpectations = {
challenge: cur_session.challenge,
origin: req_origin, //FIDO_ORIGIN,
rpId: cur_session.fido2lib.config.rpId,
factor: "either"
};
if(attestationExpectations.rpId && attestationExpectations.rpId.startsWith('.')){
logger.debug('Changed attestationExpectations.rpId from:'+attestationExpectations.rpId+' to:'+req_host);
attestationExpectations.rpId = req_host;
}
var regResult
try{
regResult = await cur_session.fido2lib.attestationResult(body, attestationExpectations);
}catch(exp){
//console.log("/attestation/result exp:" + cur_session.username + " msg="+exp.message)
throw exp
}
logger.debug(regResult);
const credId = regResult.authnrData.get('credId')
const aaguidData = regResult.authnrData.get('aaguid')
const aaguid = buf2hex(aaguidData)
logger.debug('aaguid:'+aaguid);
//const aaguidtxt = buf2text(aaguidData) // Buffer.from(aaguid, 'hex').toString('utf-8'); //String.fromCharCode.apply("", new Uint8Array(aaguidData))
if(cur_session.fido2lib.config.attestation == "enterprise"){
const guids = enterpriseAaguids.get(cur_session.fido2lib.config.rpId)
if(!guids || !guids.includes(aaguid) ){
rtn.status ='failed',
rtn.errorMessage = 'SvrErr101:Unregistered enterprise authenticator aaguid!'
}
await recordUserAction(cur_session.fido2lib.config.rpId, cur_session.username, 0, challenge, "SvrErr101")
}
const unique_device_id =
regResult.authnrData.get('extensions') ? (regResult.authnrData.get('extensions').get('dfido2_device_unique_id') ? regResult.authnrData.get('extensions').get('dfido2_device_unique_id') : null) : null;
if(deviceBindedKeys.get(cur_session.fido2lib.config.rpId) && null==unique_device_id ){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr106:Unique device id is null!'
}
await recordUserAction(cur_session.fido2lib.config.rpId, cur_session.username, 0, challenge, "SvrErr106")
} else {
//console.log("before pushAttestation status:" + JSON.stringify(rtn))
if(0 == Object.keys(rtn).length){
//console.log("before pushAttestation call:" + cur_session.username)
const counter = regResult.authnrData.get('counter');
await pushAttestation(cur_session.fido2lib.config.rpId, cur_session.username,
regResult.authnrData.get('credentialPublicKeyPem'), counter, regResult.authnrData.get('fmt'),
new Uint8Array(credId), aaguid, unique_device_id, request.headers['user-agent']?request.headers['user-agent']:"");
mapCredidUsername[new Uint8Array(credId)]=cur_session.username;
if(regResult.audit.complete) {
await setRegistered(cur_session.fido2lib.config.rpId, cur_session.username, true)
const session_id = await generateUserSession(cur_session.fido2lib.config.rpId, cur_session.username)
rtn.status = 'ok',
rtn.counter = counter
rtn.credId = Array.from(new Uint8Array(regResult.authnrData.get('credId')))
rtn.errorMessage = '';
rtn.session = session_id;
} else {
rtn.status ='failed',
rtn.errorMessage = 'SvrErr103:Can not authenticate signature!'
await recordUserAction(cur_session.fido2lib.config.rpId, cur_session.username, 0, challenge, "SvrErr103")
}
}
}
//console.log("result end:" + cur_session.username + " rtn=" + JSON.stringify(rtn))
await recordUserAction(cur_session.fido2lib.config.rpId, cur_session.username, 0, challenge)
response.end(JSON.stringify(rtn));
}
// ====== User Management methods ======
else if( url.pathname.startsWith('/usr/') ){
const body = await loadJsonBody(request)
let rpId=checkRpId(body, req_host, response)
if(null==rpId)return
const validsession = body.session && await checkUserSession(rpId, body.session)
if( url.pathname == '/usr/validsession' ){//valid user's session
var rtn = {
status:validsession?"ok":"fail"
}
response.end(JSON.stringify(rtn));
return
}
if(!validsession){
logger.warn('Somebody tried to access usr path:('+request.socket.remoteAddress+') without user session.');
var rtn = {
'status': 'failed',
'errorMessage':'SvrErr119: No user session!'
}
response.end(JSON.stringify(rtn));
return
}
if( url.pathname == '/usr/delsession' ){//delete user's session
delUserSession(body.session, body.username)
var rtn = { status:"ok" }
response.end(JSON.stringify(rtn));
}else if( url.pathname == '/usr/dvs/lst' ){//list user's devices
const lst = await listUserDevices(rpId, body.session)
var rtn = {
session:body.session,
devices:lst,
status:"ok"
}
response.end(JSON.stringify(rtn));
}else if( url.pathname == '/usr/dvs/rm' ){//remove user's devices
const del = await delUserDevices(rpId, body.session, body.device_id)
var rtn = {
session:body.session,
status:del>=0?"ok":"fail",
remain_count:del
}
response.end(JSON.stringify(rtn));
}
}
// ====== System Management methods ======
// There are json examples in examples folder
else if( url.pathname.startsWith('/mng/') ){
const body = await loadJsonBody(request)
if(body.MNG_TOKEN && body.MNG_TOKEN==process.env.MNG_TOKEN){
if( url.pathname == '/mng/domain/conf' ){
//backup json file
const backupFileName = DOMAIN_JSON_FN + Date.now();
fs.copyFileSync(DOMAIN_JSON_FN, backupFileName);
logger.info('Backuped ' + DOMAIN_JSON_FN + ' to ' + backupFileName);
domains_conf.backupfile = backupFileName;
if(body.del){//Del domains first
body.del.forEach(element => {
for (let i = 0; i < domains_conf.domains.length; ++i) {
if( element == domains_conf.domains[i].domain){
domains_conf.domains.splice(i, 1);
i--;
}
}
});
}
if(body.set){//Set domains
body.set.forEach(element => {
let i = 0
for (; i < domains_conf.domains.length; ++i) {
if( element.domain == domains_conf.domains[i].domain){
domains_conf.domains[i]=element;
break;
}
}
if(i==domains_conf.domains.length){
domains_conf.domains.push(element);
}
});
}
//Write new json
fs.unlinkSync(DOMAIN_JSON_FN);
fs.writeFileSync(DOMAIN_JSON_FN, JSON.stringify(domains_conf), 'utf8');
logger.info('Created new ' + DOMAIN_JSON_FN);
loadDomains();
const rtn = {status:'OK'}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/domain/rollback' ){
var rtn
if(domains_conf.backupfile && fs.existsSync(domains_conf.backupfile)){
fs.unlinkSync(DOMAIN_JSON_FN);
fs.copyFileSync(domains_conf.backupfile, DOMAIN_JSON_FN);
fs.unlinkSync(domains_conf.backupfile);
loadDomains();
rtn = {status:'OK'}
}else{
rtn = {status:'fail'}
logger.warn('Backup file does not exist:' + (domains_conf.backupFileName?domains_conf.backupFileName:'null'));
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/domain/get' ){
var rtn = {status:'fail'}
if(body.domain){
let conf = getDomainJSON(body.domain)
if(conf){
rtn = conf
rtn.status='OK'
}
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/domain/data' ){
var rtn = {status:'fail'}
if(body.domains && null!=body.start && null!=body.end){
rtn = await getDomainData(body.domains, body.start, body.end)
rtn.status='OK'
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/action/data' ){
var rtn = {status:'fail'}
if(body.domains && null!=body.start && null!=body.end){
rtn = await getActionData(body.domains, body.start, body.end)
rtn.status='OK'
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/data/users' ){
var rtn = {status:'fail'}
if(body.domains){
rtn = await listUsers(body.domains, body.start?body.start:0, body.end?body.end:Number.MAX_SAFE_INTEGER,
body.search?decodeURIComponent(body.search):body.search, body.last_created, body.limit?body.limit:20);
rtn.status='OK'
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/data/actions' ){
var rtn = {status:'fail'}
if(body.domains){
rtn = await listActions(body.domains, body.start?body.start:0, body.end?body.end:Number.MAX_SAFE_INTEGER,
body.search?decodeURIComponent(body.search):body.search, body.last_created, body.fail_only, body.limit?body.limit:20);
rtn.status='OK'
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/user/delacc' ){
var rtn = {status:'fail'}
if(body.domains && body.user_id){
rtn = await delUser(body.domains, body.user_id);
rtn.status='OK'
}
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/user/deldvc' ){
var rtn = {status:'fail'}
if(body.domains && body.attest_id){
rtn = await delDevice(body.domains, body.attest_id);
}
rtn.status='OK'
response.end(JSON.stringify(rtn));
} else if( url.pathname == '/mng/user/regsession' ){
var rtn = {status:'fail'}
if(body.username){
rtn.session_id = await generateRegSession(body.username, body.displayname?decodeURIComponent(body.displayname):body.displayname);
rtn.status='OK'
}
response.end(JSON.stringify(rtn));
}
} else{
logger.warn('Somebody tried to access mng path:('+request.socket.remoteAddress+') with token='+
(body.MNG_TOKEN?body.MNG_TOKEN:'null'));
response.end("");
}
}
// ====== Registration method ======
else if( url.pathname.startsWith('/reg/username') ){
const body = await loadJsonBody(request)
if(body.session_id ){
let rpId=checkRpId(body, req_host, response)
if(null==rpId)return
let unm = await getRegSessionUsername(body.session_id)
if(unm){
unm.status = 'ok'
response.end(JSON.stringify(unm));
}else{
response.end(JSON.stringify({
'status': 'failed'
}));
}
}
}
}catch(ex){
//console.log("EX: " + ex.message)
logger.error("EX: " + ex.message + ";" + ex.stack)
let rtn={};
rtn.status ='failed',
rtn.errorMessage = 'SvrErr999:Exception:' + ex.message
response.end(JSON.stringify(rtn));
}
}
};
function buf2hex(buffer) { // buffer is an ArrayBuffer
return [...new Uint8Array(buffer)]
.map(x => x.toString(16).padStart(2, '0'))
.join('');
}
function equlsArrayBuffer(a, b){
if(a.byteLength!=a.byteLength) return false;
for(var i=0; a.byteLength > i; i++){
if(a[i]!=b[i])return false;
}
return true
}
function setUserVerification(domain, authenticatorSelection, userVerificationMap){
var rtn = authenticatorSelection?authenticatorSelection:{};
if(userVerificationMap.get(domain)){
if(userVerificationMap.get(domain) != '_client'){
rtn.userVerification = userVerificationMap.get(domain)
}
}else{
rtn.userVerification = 'preferred'
}
return rtn;
}
function checkResultRequest(jsonBody){
var rtn = {};
if(!jsonBody.id){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr107:No ID field in the body of /attestation/result request!'
}
}else if(typeof jsonBody.id !== 'string'){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr112:The ID field is not a DOMString in the body of /attestation/result request!'
}
}else if(!utils.isBase64Url(jsonBody.id)){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr108:ID field is not Base64Url encoded in the body of /attestation/result request!'
}
}else if(!jsonBody.type){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr109:No TYPE field in the body of /attestation/result request!'
}
}else if(typeof jsonBody.type !== 'string'){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr110:The TYPE field is not a DOMString in the body of /attestation/result request!'
}
}else if(jsonBody.type !== 'public-key'){
rtn = {
'status': 'failed',
'errorMessage': 'SvrErr111:The TYPE field is not public-key in the body of /attestation/result request!'
}
}
return rtn;
}
function isBase64(str) {
try {
if (str ==='' || str.trim() ===''){ return false; }
let ins = str.replace(/\-/g, "+").replace(/_/g, "/")
var ss= atob(ins)
ss=btoa(ss).replace(/\+/g, "-").replace(/\//g, "_").replaceAll("=", "")
return ss == str;
//return str.match(/^([A-Za-z0-9+/])*/g) || str.match(/^([A-Za-z0-9-_])*/g)
} catch (err) {
return false;
}
}
function bufferKeepBase64(input) {
if(isBase64(input)) return input;
else if(typeof input == "string")return Uint8Array.from(new TextEncoder().encode(input)).buffer