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Show placeholder "Calculating" 

Fixes #2
master
Andrew Gregory 2021-12-01 21:26:41 +08:00 committed by GitHub
parent 3ddd169612
commit dfd7a02e12
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 14 deletions
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43
apps/authentiwatch/app.js
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@ -6,8 +6,11 @@ const algos = {
"SHA256":{sha:crypto.SHA256,retsz:32,blksz:64 },
"SHA1" :{sha:crypto.SHA1 ,retsz:20,blksz:64 },
};
const calculating = "Calculating";
const notokens = "No tokens";
const notsupported = "Not supported";
var tokens = require("Storage").readJSON("authentiwatch.json", true) || [];
var tokens = require("Storage").readJSON("authentiwatch.json", true) || {data:[],count:0};
tokens = tokens.data;
// QR Code Text
@ -67,9 +70,8 @@ function do_hmac(key, message, algo) {
var v = new DataView(ret, ret[ret.length - 1] & 0x0F, 4);
return v.getUint32(0) & 0x7FFFFFFF;
}
function hotp(token) {
function hotp(d, token, dohmac) {
var tick;
var d = new Date();
if (token.period > 0) {
// RFC6238 - timed
var seconds = Math.floor(d.getTime() / 1000);
@ -82,15 +84,17 @@ function hotp(token) {
var v = new DataView(msg.buffer);
v.setUint32(0, tick >> 16 >> 16);
v.setUint32(4, tick & 0xFFFFFFFF);
var ret = "";
try {
var hash = do_hmac(b32decode(token.secret), msg, token.algorithm.toUpperCase());
ret = "" + hash % Math.pow(10, token.digits);
while (ret.length < token.digits) {
ret = "0" + ret;
var ret = calculating;
if (dohmac) {
try {
var hash = do_hmac(b32decode(token.secret), msg, token.algorithm.toUpperCase());
ret = "" + hash % Math.pow(10, token.digits);
while (ret.length < token.digits) {
ret = "0" + ret;
}
} catch(err) {
ret = notsupported;
}
} catch(err) {
ret = "Not supported";
}
return {hotp:ret, next:((token.period > 0) ? ((tick + 1) * token.period * 1000) : d.getTime() + 30000)};
}
@ -158,6 +162,9 @@ function draw() {
var d = new Date();
if (state.curtoken != -1) {
var t = tokens[state.curtoken];
if (state.otp == calculating) {
state.otp = hotp(d, t, true).hotp;
}
if (d.getTime() > state.nextTime) {
if (state.hide == 0) {
// auto-hide the current token
@ -168,7 +175,7 @@ function draw() {
state.nextTime = 0;
} else {
// time to generate a new token
var r = hotp(t);
var r = hotp(d, t, state.otp != "");
state.nextTime = r.next;
state.otp = r.hotp;
if (t.period <= 0) {
@ -196,7 +203,13 @@ function draw() {
if (state.drawtimer) {
clearTimeout(state.drawtimer);
}
state.drawtimer = setTimeout(draw, (tokens[state.curtoken].period > 0) ? 1000 : state.nexttime - d.getTime());
var dly;
if (tokens[state.curtoken].period > 0) {
dly = (state.otp == calculating) ? 1 : 1000;
} else {
dly = state.nexttime - d.getTime();
}
state.drawtimer = setTimeout(draw, dly);
if (tokens[state.curtoken].period <= 0) {
state.hide = 0;
}
@ -211,7 +224,7 @@ function draw() {
} else {
g.setFont("Vector", 30);
g.setFontAlign(0, 0, 0);
g.drawString("No tokens", Bangle.appRect.x + Bangle.appRect.w / 2,Bangle.appRect.y + Bangle.appRect.h / 2, false);
g.drawString(notokens, Bangle.appRect.x + Bangle.appRect.w / 2,Bangle.appRect.y + Bangle.appRect.h / 2, false);
}
}
@ -232,6 +245,7 @@ function onTouch(zone, e) {
if (y > Bangle.appRect.h) {
state.listy += (y - Bangle.appRect.h);
}
state.otp = "";
}
state.nextTime = 0;
state.curtoken = id;
@ -261,6 +275,7 @@ function onSwipe(e) {
let save={data:tokens,count:tokens.length};
require("Storage").writeJSON("authentiwatch.json", save);
state.nextTime = 0;
state.otp = "";
state.hide = 2;
draw();
}