invite or send group_create validated by tribe owner pubkey

api/controllers/chats.ts

@@ -256,8 +256,22 @@ async function receiveGroupJoin(payload) {
 	})
 }
 
+async function validateTribeOwner(chat_uuid: string, pubkey: string){
+	const verifiedOwnerPubkey = await tribes.verifySignedTimestamp(chat_uuid)
+	if(verifiedOwnerPubkey===pubkey){
+		return true
+	}
+	return false
+}
 async function receiveGroupCreateOrInvite(payload) {
-	const { chat_members, chat_name, chat_uuid, chat_type, chat_host, chat_key } = await helpers.parseReceiveParams(payload)
+	const { sender_pub_key, chat_members, chat_name, chat_uuid, chat_type, chat_host, chat_key } = await helpers.parseReceiveParams(payload)
+
+	// maybe this just needs to move to adding tribe owner ChatMember?
+	const isTribe = chat_type===constants.chat_types.tribe
+	if(isTribe){ // must be sent by tribe owner?????
+		const validOwner = await validateTribeOwner(chat_uuid, sender_pub_key)
+		if(!validOwner) return console.log('[tribes] invalid uuid signature!')
+	}
 
 	const contacts: any[] = []
 	const newContacts: any[] = []
@@ -266,8 +280,8 @@ async function receiveGroupCreateOrInvite(payload) {
 		let addContact = false
 		if (chat_type===constants.chat_types.group && member && member.key) {
 			addContact = true
-		} else if(chat_type===constants.chat_types.tribe && member && member.role) {
-			if (member.role===constants.chat_roles.owner || member.role===constants.chat_roles.admin || member.role===constants.chat_roles.mode){
+		} else if(isTribe && member && member.role) {
+			if (member.role===constants.chat_roles.owner || member.role===constants.chat_roles.admin || member.role===constants.chat_roles.mod){
 				addContact = true
 			}
 		}
@@ -303,8 +317,7 @@ async function receiveGroupCreateOrInvite(payload) {
 		...chat_key && { groupKey: chat_key },
 	})
 
-	// IF TRIBE, ADD TO XREF
-	if(chat_type===constants.chat_types.tribe){
+	if(isTribe){ // IF TRIBE, ADD TO XREF
 		contacts.forEach(c=>{
 			models.ChatMember.create({
 				contactId: c.id,

api/helpers.ts

@@ -1,6 +1,6 @@
 import { models } from './models'
 import * as md5 from 'md5'
-import { keysendMessage } from './utils/lightning'
+import * as LND from './utils/lightning'
 import {personalizeMessage} from './utils/msg'
 
 const constants = require('../config/constants.json');
@@ -103,7 +103,7 @@ const sendMessage = async (params) => {
 			amt: amount || 3,
 		}
 		try {
-			const r = await keysendMessage(opts)
+			const r = await LND.keysendMessage(opts)
 			yes = r
 		} catch (e) {
 			console.log("KEYSEND ERROR", e)
@@ -124,7 +124,7 @@ const performKeysendMessage = async ({ destination_key, amount, msg, success, fa
 		amt: Math.max(amount, 3)
 	}
 	try {
-		const r = await keysendMessage(opts)
+		const r = await LND.keysendMessage(opts)
 		console.log("=> external keysend")
 		if (success) success(r)
 	} catch (e) {

api/utils/lightning.ts

@@ -197,15 +197,6 @@ async function signAscii(ascii) {
   }
 }
 
-async function verifyAscii(ascii,sig): Promise<{[k:string]:any}>{
-  try {
-    const r = await verifyMessage(ascii_to_hexa(ascii),sig)
-    return r
-  } catch(e) {
-    throw e
-  }
-}
-
 function listInvoices() {  
   return new Promise(async(resolve, reject)=> {
     const lightning = await loadLightning()
@@ -334,13 +325,21 @@ const signBuffer = (msg) => {
   })
 }
 
+async function verifyBytes(msg,sig): Promise<{[k:string]:any}> {
+  try {
+    const r = await verifyMessage(msg.toString('hex'),sig)
+    return r
+  } catch(e) {
+    throw e
+  }
+}
 function verifyMessage(msg,sig): Promise<{[k:string]:any}> {
   return new Promise(async(resolve, reject)=> {
     let lightning = await loadLightning()
     try {
       const options = {
         msg:ByteBuffer.fromHex(msg),
-        signature:sig,
+        signature:sig, // zbase32 encoded string
       }
       lightning.verifyMessage(options, function(err,res){
         if(err || !res.pubkey) {
@@ -354,6 +353,14 @@ function verifyMessage(msg,sig): Promise<{[k:string]:any}> {
     }
   })
 }
+async function verifyAscii(ascii,sig): Promise<{[k:string]:any}>{
+  try {
+    const r = await verifyMessage(ascii_to_hexa(ascii),sig)
+    return r
+  } catch(e) {
+    throw e
+  }
+}
 
 async function getInfo(): Promise<{[k:string]:any}>{
 	return new Promise((resolve,reject)=>{
@@ -389,6 +396,7 @@ export {
   signMessage,
   verifyMessage,
   verifyAscii,
+  verifyBytes,
   signAscii,
   signBuffer,
   LND_KEYSEND_KEY,

api/utils/tribes.ts

@@ -1,7 +1,7 @@
 
 import * as moment from 'moment'
 import * as zbase32 from './zbase32'
-import {signBuffer, getInfo} from './lightning'
+import * as LND from './lightning'
 import * as path from 'path'
 import * as mqtt from 'mqtt'
 
@@ -10,7 +10,7 @@ const config = require(path.join(__dirname,'../../config/app.json'))[env]
 
 export async function connect() {
     const pwd = await genSignedTimestamp()
-    const info = await getInfo()
+    const info = await LND.getInfo()
 
     const client = mqtt.connect(`tcp://${config.tribes_host}`,{
         username:info.identity_pubkey,
@@ -30,13 +30,25 @@ export async function connect() {
 export async function genSignedTimestamp(){
     const now = moment().unix()
     const tsBytes = Buffer.from(now.toString(16), 'hex')
-    const sig = await signBuffer(tsBytes)
+    const sig = await LND.signBuffer(tsBytes)
     const sigBytes = zbase32.decode(sig)
     const totalLength = tsBytes.length + sigBytes.length
     const buf = Buffer.concat([tsBytes, sigBytes], totalLength)
     return urlBase64(buf)
 }
 
+export async function verifySignedTimestamp(stsBase64){
+    const stsBuf = Buffer.from(stsBase64, 'base64')
+    const sig = stsBuf.subarray(4,92)
+    const sigZbase32 = zbase32.encode(sig)
+    const r = await LND.verifyBytes(stsBuf.subarray(0,4), sigZbase32) // sig needs to be zbase32 :(
+    if (r.valid) {
+        return r.pubkey
+    } else {
+        return false
+    }
+}
+
 export function getHost() {
     return config.tribes_host || ''
 }

app.ts

@@ -10,6 +10,7 @@ import {pingHubInterval, checkInvitesHubInterval} from './api/hub'
 import {setupDatabase, setupDone} from './api/utils/setup'
 import * as controllers from './api/controllers'
 import * as socket from './api/utils/socket'
+import * as tribes from './api/utils/tribes'
 
 let server: any = null
 const port = process.env.PORT || 3001;

dist/api/controllers/chats.js

@@ -252,9 +252,25 @@ function receiveGroupJoin(payload) {
     });
 }
 exports.receiveGroupJoin = receiveGroupJoin;
+function validateTribeOwner(chat_uuid, pubkey) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const verifiedOwnerPubkey = yield tribes.verifySignedTimestamp(chat_uuid);
+        if (verifiedOwnerPubkey === pubkey) {
+            return true;
+        }
+        return false;
+    });
+}
 function receiveGroupCreateOrInvite(payload) {
     return __awaiter(this, void 0, void 0, function* () {
-        const { chat_members, chat_name, chat_uuid, chat_type, chat_host, chat_key } = yield helpers.parseReceiveParams(payload);
+        const { sender_pub_key, chat_members, chat_name, chat_uuid, chat_type, chat_host, chat_key } = yield helpers.parseReceiveParams(payload);
+        // maybe this just needs to move to adding tribe owner ChatMember?
+        const isTribe = chat_type === constants.chat_types.tribe;
+        if (isTribe) { // must be sent by tribe owner?????
+            const validOwner = yield validateTribeOwner(chat_uuid, sender_pub_key);
+            if (!validOwner)
+                return console.log('[tribes] invalid uuid signature!');
+        }
         const contacts = [];
         const newContacts = [];
         for (let [pubkey, member] of Object.entries(chat_members)) {
@@ -263,8 +279,8 @@ function receiveGroupCreateOrInvite(payload) {
             if (chat_type === constants.chat_types.group && member && member.key) {
                 addContact = true;
             }
-            else if (chat_type === constants.chat_types.tribe && member && member.role) {
-                if (member.role === constants.chat_roles.owner || member.role === constants.chat_roles.admin || member.role === constants.chat_roles.mode) {
+            else if (isTribe && member && member.role) {
+                if (member.role === constants.chat_roles.owner || member.role === constants.chat_roles.admin || member.role === constants.chat_roles.mod) {
                     addContact = true;
                 }
             }
@@ -292,8 +308,7 @@ function receiveGroupCreateOrInvite(payload) {
         let date = new Date();
         date.setMilliseconds(0);
         const chat = yield models_1.models.Chat.create(Object.assign(Object.assign({ uuid: chat_uuid, contactIds: JSON.stringify(contactIds), createdAt: date, updatedAt: date, name: chat_name, type: chat_type || constants.chat_types.group }, chat_host && { host: chat_host }), chat_key && { groupKey: chat_key }));
-        // IF TRIBE, ADD TO XREF
-        if (chat_type === constants.chat_types.tribe) {
+        if (isTribe) { // IF TRIBE, ADD TO XREF
             contacts.forEach(c => {
                 models_1.models.ChatMember.create({
                     contactId: c.id,

dist/api/helpers.js

@@ -11,7 +11,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 Object.defineProperty(exports, "__esModule", { value: true });
 const models_1 = require("./models");
 const md5 = require("md5");
-const lightning_1 = require("./utils/lightning");
+const LND = require("./utils/lightning");
 const msg_1 = require("./utils/msg");
 const constants = require('../config/constants.json');
 const findOrCreateChat = (params) => __awaiter(void 0, void 0, void 0, function* () {
@@ -104,7 +104,7 @@ const sendMessage = (params) => __awaiter(void 0, void 0, void 0, function* () {
             amt: amount || 3,
         };
         try {
-            const r = yield lightning_1.keysendMessage(opts);
+            const r = yield LND.keysendMessage(opts);
             yes = r;
         }
         catch (e) {
@@ -129,7 +129,7 @@ const performKeysendMessage = ({ destination_key, amount, msg, success, failure
         amt: Math.max(amount, 3)
     };
     try {
-        const r = yield lightning_1.keysendMessage(opts);
+        const r = yield LND.keysendMessage(opts);
         console.log("=> external keysend");
         if (success)
             success(r);

dist/api/utils/lightning.js

@@ -216,18 +216,6 @@ function signAscii(ascii) {
     });
 }
 exports.signAscii = signAscii;
-function verifyAscii(ascii, sig) {
-    return __awaiter(this, void 0, void 0, function* () {
-        try {
-            const r = yield verifyMessage(ascii_to_hexa(ascii), sig);
-            return r;
-        }
-        catch (e) {
-            throw e;
-        }
-    });
-}
-exports.verifyAscii = verifyAscii;
 function listInvoices() {
     return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
         const lightning = yield loadLightning();
@@ -376,6 +364,18 @@ const signBuffer = (msg) => {
     }));
 };
 exports.signBuffer = signBuffer;
+function verifyBytes(msg, sig) {
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            const r = yield verifyMessage(msg.toString('hex'), sig);
+            return r;
+        }
+        catch (e) {
+            throw e;
+        }
+    });
+}
+exports.verifyBytes = verifyBytes;
 function verifyMessage(msg, sig) {
     return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
         let lightning = yield loadLightning();
@@ -399,6 +399,18 @@ function verifyMessage(msg, sig) {
     }));
 }
 exports.verifyMessage = verifyMessage;
+function verifyAscii(ascii, sig) {
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            const r = yield verifyMessage(ascii_to_hexa(ascii), sig);
+            return r;
+        }
+        catch (e) {
+            throw e;
+        }
+    });
+}
+exports.verifyAscii = verifyAscii;
 function getInfo() {
     return __awaiter(this, void 0, void 0, function* () {
         return new Promise((resolve, reject) => {

dist/api/utils/tribes.js

@@ -11,7 +11,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 Object.defineProperty(exports, "__esModule", { value: true });
 const moment = require("moment");
 const zbase32 = require("./zbase32");
-const lightning_1 = require("./lightning");
+const LND = require("./lightning");
 const path = require("path");
 const mqtt = require("mqtt");
 const env = process.env.NODE_ENV || 'development';
@@ -19,7 +19,7 @@ const config = require(path.join(__dirname, '../../config/app.json'))[env];
 function connect() {
     return __awaiter(this, void 0, void 0, function* () {
         const pwd = yield genSignedTimestamp();
-        const info = yield lightning_1.getInfo();
+        const info = yield LND.getInfo();
         const client = mqtt.connect(`tcp://${config.tribes_host}`, {
             username: info.identity_pubkey,
             password: pwd,
@@ -39,7 +39,7 @@ function genSignedTimestamp() {
     return __awaiter(this, void 0, void 0, function* () {
         const now = moment().unix();
         const tsBytes = Buffer.from(now.toString(16), 'hex');
-        const sig = yield lightning_1.signBuffer(tsBytes);
+        const sig = yield LND.signBuffer(tsBytes);
         const sigBytes = zbase32.decode(sig);
         const totalLength = tsBytes.length + sigBytes.length;
         const buf = Buffer.concat([tsBytes, sigBytes], totalLength);
@@ -47,6 +47,21 @@ function genSignedTimestamp() {
     });
 }
 exports.genSignedTimestamp = genSignedTimestamp;
+function verifySignedTimestamp(stsBase64) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const stsBuf = Buffer.from(stsBase64, 'base64');
+        const sig = stsBuf.subarray(4, 92);
+        const sigZbase32 = zbase32.encode(sig);
+        const r = yield LND.verifyBytes(stsBuf.subarray(0, 4), sigZbase32); // sig needs to be zbase32 :(
+        if (r.valid) {
+            return r.pubkey;
+        }
+        else {
+            return false;
+        }
+    });
+}
+exports.verifySignedTimestamp = verifySignedTimestamp;
 function getHost() {
     return config.tribes_host || '';
 }

dist/api/utils/tribes.js.map

@@ -1 +1 @@
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dist/app.js

@@ -21,6 +21,7 @@ const hub_1 = require("./api/hub");
 const setup_1 = require("./api/utils/setup");
 const controllers = require("./api/controllers");
 const socket = require("./api/utils/socket");
+const tribes = require("./api/utils/tribes");
 let server = null;
 const port = process.env.PORT || 3001;
 const env = process.env.NODE_ENV || 'development';
@@ -36,6 +37,10 @@ function connectToLND() {
         try {
             yield controllers.iniGrpcSubscriptions();
             mainSetup();
+            const sts = yield tribes.genSignedTimestamp();
+            console.log("STS", sts);
+            tribes.verifySignedTimestamp(sts);
+            return;
         }
         catch (e) {
             setTimeout(() => __awaiter(this, void 0, void 0, function* () {

dist/app.js.map

@@ -1 +1 @@
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