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https://github.com/thelounge/thelounge
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Merge pull request #1940 from thelounge/xpaw/fix-1934
Hash user tokens, increase token entropy
This commit is contained in:
commit
98c3108bde
2 changed files with 41 additions and 10 deletions
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@ -94,6 +94,27 @@ function Client(manager, name, config) {
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if (typeof client.config.sessions !== "object") {
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client.config.sessions = {};
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} else {
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// TODO: This is just for backwards compatibility. Remove in v3.0.0
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const newSessions = {};
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let changed = false;
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_.forOwn(client.config.sessions, (session, key) => {
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if (key.length !== 128) {
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key = client.calculateTokenHash(key);
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changed = true;
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}
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newSessions[key] = session;
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});
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if (changed) {
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log.info(`User ${colors.bold(client.name)} has been updated with new security requirements for tokens.`);
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delete client.config.token;
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client.config.sessions = newSessions;
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client.save();
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}
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}
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_.forOwn(client.config.sessions, (session) => {
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@ -282,7 +303,7 @@ Client.prototype.connect = function(args) {
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};
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Client.prototype.generateToken = function(callback) {
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crypto.randomBytes(48, (err, buf) => {
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crypto.randomBytes(64, (err, buf) => {
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if (err) {
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throw err;
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}
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@ -291,6 +312,10 @@ Client.prototype.generateToken = function(callback) {
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});
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};
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Client.prototype.calculateTokenHash = function(token) {
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return crypto.createHash("sha512").update(token).digest("hex");
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};
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Client.prototype.updateSession = function(token, ip, request) {
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const client = this;
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const agent = UAParser(request.headers["user-agent"] || "");
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@ -389,7 +389,7 @@ function initializeClient(socket, client, token, lastMessage) {
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});
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socket.on("push:register", (subscription) => {
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if (!client.isRegistered() || !client.config.sessions[token]) {
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if (!client.isRegistered() || !client.config.sessions.hasOwnProperty(token)) {
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return;
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}
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@ -434,7 +434,7 @@ function initializeClient(socket, client, token, lastMessage) {
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tokenToSignOut = token;
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}
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if (!(tokenToSignOut in client.config.sessions)) {
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if (!client.config.sessions.hasOwnProperty(tokenToSignOut)) {
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return;
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}
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@ -475,11 +475,11 @@ function initializeClient(socket, client, token, lastMessage) {
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if (!Helper.config.public && token === null) {
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client.generateToken((newToken) => {
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client.attachedClients[socket.id].token = token = newToken;
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client.attachedClients[socket.id].token = token = client.calculateTokenHash(newToken);
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client.updateSession(token, getClientIp(socket), socket.request);
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sendInitEvent(token);
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sendInitEvent(newToken);
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});
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} else {
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sendInitEvent(null);
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@ -519,8 +519,9 @@ function getServerConfiguration() {
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function performAuthentication(data) {
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const socket = this;
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let client;
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let token = null;
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const finalInit = () => initializeClient(socket, client, data.token || null, data.lastMessage || -1);
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const finalInit = () => initializeClient(socket, client, token, data.lastMessage || -1);
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const initClient = () => {
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socket.emit("configuration", getClientConfiguration());
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@ -572,11 +573,16 @@ function performAuthentication(data) {
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client = manager.findClient(data.user);
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// We have found an existing user and client has provided a token
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if (client && data.token && typeof client.config.sessions[data.token] !== "undefined") {
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client.updateSession(data.token, getClientIp(socket), socket.request);
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if (client && data.token) {
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const providedToken = client.calculateTokenHash(data.token);
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authCallback(true);
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return;
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if (client.config.sessions.hasOwnProperty(providedToken)) {
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token = providedToken;
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client.updateSession(providedToken, getClientIp(socket), socket.request);
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return authCallback(true);
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}
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}
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// Perform password checking
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