FLO_Twitter/home.js
2019-05-16 20:52:42 +05:30

451 lines
16 KiB
JavaScript

var profiles = []
var receiverID,tweeterID,recStat;
var selfwebsocket,receiverWebSocket;
var privKey;
function userDataStartUp(){
console.log("StartUp");
/*document.getElementById("sendMsgInput").addEventListener("keyup",function(event){
if(event.keyCode === 13){
event.preventDefault();
sendMsg();
}
});*/
getDatafromAPI().then(function (result) {
console.log(result);
getDatafromIDB().then(function (result){
profiles = arrayToObject(result);
console.log(profiles);
sessionStorage.profiles = JSON.stringify(profiles);
getuserID().then(function(result){
console.log(result);
tweeterID = result;
sessionStorage.privKey = privKey;
alert(`${tweeterID}\nWelcome ${profiles[tweeterID].name}`)
//readMsgfromIDB().then(function(result){
//console.log(result);
initselfWebSocket();
//displayprofiles();
//const createClock = setInterval(checkStatusInterval, 30000);
//}).catch(function(error){
//console.log(error.message);
//});
}).catch(function (error) {
console.log(error.message);
});
}).catch(function (error) {
console.log(error.message);
});
}).catch(function (error) {
console.log(error.message);
});
}
function storedata(data){
return new Promise(
function(resolve, reject) {
var idb = indexedDB.open("FLO_Tweet");
idb.onerror = function(event) {
console.log("Error in opening IndexedDB!");
};
idb.onsuccess = function(event) {
var db = event.target.result;
var obs = db.transaction('profiles', "readwrite").objectStore('profiles');
objectRequest = obs.put(data);
objectRequest.onerror = function(event) {
reject(Error('Error occured: Unable to store data'));
};
objectRequest.onsuccess = function(event) {
resolve('Data saved OK');
db.close();
};
};
}
);
}
function getDatafromAPI(){
return new Promise(
function(resolve, reject) {
var addr = "F6LUnwRRjFuEW97Y4av31eLqqVMK9FrgE2";
var idb = indexedDB.open("FLO_Tweet");
idb.onerror = function(event) {
reject("Error in opening IndexedDB!");
};
idb.onupgradeneeded = function(event) {
var objectStore = event.target.result.createObjectStore("profiles",{ keyPath: 'floID' });
objectStore.createIndex('onionAddr', 'onionAddr', { unique: false });
objectStore.createIndex('name', 'name', { unique: false });
objectStore.createIndex('pubKey', 'pubKey', { unique: false });
var objectStore2 = event.target.result.createObjectStore("lastTx");
};
idb.onsuccess = function(event) {
var db = event.target.result;
//window["wait"] = addrList.length;
var lastTx = db.transaction('lastTx', "readwrite").objectStore('lastTx');
//addrList.forEach(function(addr){
console.log(addr);
new Promise(function(res,rej){
var lastTxReq = lastTx.get(addr);
lastTxReq.onsuccess = function(event){
var lasttx = event.target.result;
if(lasttx === undefined){
lasttx = 0;
}
res(lasttx);
}
}).then(function(lasttx){
var response = ajax("GET",`api/addrs/${addr}/txs`);
var nRequired = JSON.parse(response).totalItems - lasttx;
console.log(nRequired);
while(true && nRequired){
var response = ajax("GET",`api/addrs/${addr}/txs?from=0&to=${nRequired}`);
response = JSON.parse(response);
if (nRequired + lasttx != response.totalItems ){
nRequired = response.totalItems - lasttx;
continue;
}
response.items.reverse().forEach(function(tx){
try {
//if (tx.vin[0].addr != addr)
//return;
var data = JSON.parse(tx.floData).FLO_Tweet;
if(data !== undefined){
if(encrypt.getFLOIDfromPubkeyHex(data.pubKey)!=tx.vin[0].addr)
throw("PublicKey doesnot match with floID")
data = {floID : tx.vin[0].addr, onionAddr : data.onionAddr, name : data.name, pubKey:data.pubKey};
storedata(data).then(function (response) {
}).catch(function (error) {
console.log(error.message);
});
}
} catch (e) {
//console.log(e)
}
});
var obs = db.transaction('lastTx', "readwrite").objectStore('lastTx');
obs.put(response.totalItems,addr);
break;
}
db.close();
resolve('retrived data from API');
});
};
}
);
}
function getuserID(){
return new Promise(
function(resolve,reject){
privKey = sessionStorage.privKey || prompt("Enter FLO Private Key : ");
var key = new Bitcoin.ECKey(privKey);
while(key.priv == null){
privKey = prompt("Invalid FLO Private Key! Retry : ")
key = Bitcoin.ECKey(privKey);
}
key.setCompressed(true);
var userID = key.getBitcoinAddress();
if (profiles[userID] === undefined)
var reg = confirm(`${userID} is not registers to FLO Tweet!\nRegister FLO ID to this onion?`);
else if (profiles[userID].onionAddr == window.location.host)
resolve(userID)
else
var reg = confirm(`${userID} is registered to another onion!\nChange to this onion?`);
if(reg){
var name = prompt("Enter your name :");
var pubKey = key.getPubKeyHex();
if(registerID(userID,window.location.host,privKey,pubKey,name)){
profiles[userID] = {onionAddr : window.location.host, name : name, pubKey : pubKey};
resolve(userID);
}
}
reject(`Unable to bind ${userID} to this onionAddress!\nTry again later!`);
}
);
}
function getDatafromIDB(){
return new Promise(
function(resolve,reject){
var idb = indexedDB.open("FLO_Tweet");
idb.onerror = function(event) {
reject("Error in opening IndexedDB!");
};
idb.onsuccess = function(event) {
var db = event.target.result;
var obs = db.transaction("profiles", "readwrite").objectStore("profiles");
var getReq = obs.getAll();
getReq.onsuccess = function(event){
resolve(event.target.result);
}
getReq.onerror = function(event){
reject('Unable to read profiles!')
}
db.close();
};
}
);
}
function readMsgfromIDB(){
return new Promise(
function(resolve,reject){
var disp = document.getElementById("conversation");
for(floID in profiles){
var createLi = document.createElement('div');
createLi.setAttribute("id", floID);
createLi.setAttribute("class", "message-inner");
createLi.style.display = 'none';
disp.appendChild(createLi);
}
var idb = indexedDB.open("FLO_Tweet",2);
idb.onerror = function(event) {
reject("Error in opening IndexedDB!");
};
idb.onupgradeneeded = function(event) {
var objectStore = event.target.result.createObjectStore("messages",{ keyPath: 'time' });
objectStore.createIndex('text', 'text', { unique: false });
objectStore.createIndex('floID', 'floID', { unique: false });
objectStore.createIndex('type', 'type', { unique: false });
};
idb.onsuccess = function(event) {
var db = event.target.result;
var obs = db.transaction("messages", "readwrite").objectStore("messages");
obs.openCursor().onsuccess = function(event) {
var cursor = event.target.result;
if(cursor) {
var chat = document.getElementById(cursor.value.floID);
if(cursor.value.type == "R"){
var msgdiv = document.createElement('div');
msgdiv.setAttribute("class", "row message-body");
msgdiv.innerHTML = `<div class="col-sm-12 message-main-receiver">
<div class="receiver">
<span class="message-text">
${cursor.value.text}
</span>
<span class="message-time pull-right">
${getTime(cursor.value.time)}
</span>
</div>
</div>`;
chat.appendChild(msgdiv);
}else if(cursor.value.type == "S"){
var msgdiv = document.createElement('div');
msgdiv.setAttribute("class", "row message-body");
msgdiv.innerHTML = `<div class="col-sm-12 message-main-sender">
<div class="sender">
<span class="message-text">${cursor.value.text}
</span>
<span class="message-time pull-right">
${getTime(cursor.value.time)}
</span>
</div>
</div>`;
chat.appendChild(msgdiv);
}
cursor.continue();
} else {
console.log('Entries all displayed.');
resolve("Read Msg from IDB");
}
};
db.close();
};
}
);
}
function storeMsg(data){
var idb = indexedDB.open("FLO_Tweet",2);
idb.onerror = function(event) {
console.log("Error in opening IndexedDB!");
};
idb.onupgradeneeded = function(event) {
var objectStore = event.target.result.createObjectStore("messages",{ keyPath: 'time' });
objectStore.createIndex('text', 'text', { unique: false });
objectStore.createIndex('floID', 'floID', { unique: false });
objectStore.createIndex('type', 'type', { unique: false });
};
idb.onsuccess = function(event) {
var db = event.target.result;
var obs = db.transaction("messages", "readwrite").objectStore("messages");
obs.add(data);
db.close();
};
}
function displayProfiles(){
console.log('displayProfiles');
var listElement = document.getElementById('contact-display');
for(floID in profiles){
var createLi = document.createElement('div');
createLi.setAttribute("name", floID);
createLi.setAttribute("onClick", 'changeReceiver(this)');
createLi.setAttribute("class", "row sideBar-body");
createLi.innerHTML = `<div class="col-sm-11 col-xs-11 sideBar-main">
<div class="row">
<div class="col-sm-8 col-xs-8 sideBar-name">
<span class="name-meta">${floID}
</span>
</div>
<div class="col-sm-4 col-xs-4 pull-right sideBar-time">
<span class="time-meta pull-right">${profiles[floID].name}
</span>
</div>
</div>
</div>`
listElement.appendChild(createLi);
}
}
function initselfWebSocket(){
selfwebsocket = new WebSocket("ws://"+location.host+"/ws");
selfwebsocket.onopen = function(evt){
console.log("Connecting");
var pass = sessionStorage.serverPass || prompt("Enter server password :");
selfwebsocket.send("$"+pass);
sessionStorage.serverPass = pass;
};
selfwebsocket.onclose = function(evt){
console.log("DISCONNECTED");
};
selfwebsocket.onmessage = function(evt){
console.log(evt.data);
if(evt.data == "$Access Denied!"){
var pass = prompt("Access Denied! reEnter server password :");
selfwebsocket.send("$"+pass);
sessionStorage.serverPass = pass;
}else if(evt.data == "$Access Granted!")
alert("Access Granted!")
};
selfwebsocket.onerror = function(evt){
console.log(evt);
};
}
function checkStatusInterval(){
try{
if(receiverWebSocket !== undefined && receiverWebSocket.readyState !== WebSocket.OPEN){
receiverWebSocket.close()
receiverWebSocket = new WebSocket("ws://"+profiles[receiverID].onionAddr+"/ws");
receiverWebSocket.onopen = function(evt){ receiverWebSocket.send('#') };
receiverWebSocket.onerror = function(ev) { receiverStatus(false); };
receiverWebSocket.onclose = function(ev) { receiverStatus(false); };
receiverWebSocket.onmessage = function(evt){
console.log(evt.data);
if(evt.data[0]=='#'){
if (evt.data[1]=='+')
receiverStatus(true);
else if(evt.data[1]=='-')
receiverStatus(false);
}
}
}
}catch(e){
console.log(e);
}
}
function postTweet(){
var tweetBox = document.getElementById("tweetBox");
var tweet = tweetBox.value;
tweetBox.value = "";
var time = (new Date).getTime();
var sign = encrypt.sign(tweet,privKey);
var data = JSON.stringify({floID:tweeterID,time:time,tweet:tweet,sign:sign});
console.log(data);
selfwebsocket.send(data);
}
function changeReceiver(param){
if(receiverID !== undefined)
document.getElementById(receiverID).style.display = 'none';
console.log(param.getAttribute("name"));
receiverID = param.getAttribute("name");
document.getElementById('recipient-floID').innerHTML = receiverID;
receiverStatus(false)
document.getElementById(receiverID).style.display = 'block';
try{
if(receiverWebSocket !== undefined && receiverWebSocket.readyState === WebSocket.OPEN)
receiverWebSocket.close()
receiverWebSocket = new WebSocket("ws://"+profiles[receiverID].onionAddr+"/ws");
receiverWebSocket.onopen = function(ev){ receiverWebSocket.send('#'); };
receiverWebSocket.onerror = function(ev) { receiverStatus(false); };
receiverWebSocket.onclose = function(ev) { receiverStatus(false); };
receiverWebSocket.onmessage = function(evt){
console.log(evt.data);
if(evt.data[0]=='#'){
if (evt.data[1]=='+')
receiverStatus(true);
else if(evt.data[1]=='-')
receiverStatus(false);
}
}
}catch(e){
console.log(e);
}
}
function receiverStatus(status){
if(status)
document.getElementById('recipient-status').style.color = "#4CC94C";
else
document.getElementById('recipient-status').style.color = "#CD5C5C";
recStat = status;
}
function sendMsg(){
if(receiverID === undefined){
alert("Select a contact and send message");
return;
}
if(!recStat){
alert("Recipient is offline! Try again later")
return
}
var inp = document.getElementById('sendMsgInput')
var msg = inp.value;
inp.value = "";
console.log(msg);
var sign = encrypt.sign(msg,privKey)
var msgEncrypt = encrypt.encryptMessage(msg,contacts[receiverID].pubKey)
var data = JSON.stringify({from:senderID,secret:msgEncrypt.secret,sign:sign,pubVal:msgEncrypt.senderPublicKeyString});
receiverWebSocket.send(data);
console.log(`sentMsg : ${data}`);
time = Date.now();
var disp = document.getElementById(receiverID);
var msgdiv = document.createElement('div');
msgdiv.setAttribute("class", "row message-body");
msgdiv.innerHTML = `<div class="col-sm-12 message-main-sender">
<div class="sender">
<span class="message-text">${msg}
</span>
<span class="message-time pull-right">
${getTime(time)}
</span>
</div>
</div>`;
disp.appendChild(msgdiv);
storeMsg({time:time,floID:receiverID,text:msg,type:"S"});
}