mirror of https://github.com/espruino/BangleApps
Create app.js
xxDUxx
GitHub
parent
161030e927
commit
45548a0a62
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var Layout = require("Layout");
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var key = "";
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var myTimeout;
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var pins = Object.assign(require('Storage').readJSON("pinsafe.json", true) || {});
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print (pins);
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function mainMenu() {
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if (myTimeout) clearTimeout(myTimeout);
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var menu = {
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"" : {title : "Decode:"},
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"< Back" : Bangle.load
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};
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if (Object.keys(pins).length==0) Object.assign(menu, {"NO CARDS":""});
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else for (let c in pins) {
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let pin=pins[c];
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menu[c]=()=>{decode(pin);};
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}
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Object.assign(menu, {"Add Card": addCard});
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Object.assign(menu, {"Remove Card":removeCard});
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E.showMenu(menu);
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}
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function decode(pin) {
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showNumpad("Key:", function() {
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if (key.length==0) mainMenu();
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else {
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var pinDecrypted="";
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for (let n=0;n<pin.length;n++) {
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pinDecrypted+=(10+Number(pin[n])-Number(key[n%key.length]))%10;
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}
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var showPin = new Layout ({
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type:"v", c: [
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{type:"txt", font:"30%", pad:1, fillx:1, filly:1, label:"PIN:"},
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{type:"txt", font:100/pinDecrypted.length+"%", pad:1, fillx:1, filly:1, label: pinDecrypted},
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{type:"btn", font:"30%", pad:1, fillx:1, filly:1, label:"OK", cb:l=>{mainMenu();}}
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], lazy:true});
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g.clear();
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showPin.render();
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myTimeout = setTimeout(Bangle.load, 10000);
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}
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});
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}
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function showNumpad(text, callback) {
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E.showMenu();
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key="";
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function addDigit(digit) {
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key+=digit;
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Bangle.buzz(20);
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update();
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}
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function update() {
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numPad.clear(numPad.output);
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numPad.output.label="Key:"+key;
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numPad.render(numPad.output);
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}
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var numPad = new Layout ({
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type:"v", c: [{
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type:"v", width:180, c: [
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{type:"txt", font:"15%", pad:1, fillx:1, filly:1, id: "output", label:text+key},
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{type:"h", c: [
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"7", cb:l=>{addDigit("7");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"8", cb:l=>{addDigit("8");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"9", cb:l=>{addDigit("9");}}
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]},
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{type:"h", c: [
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"4", cb:l=>{addDigit("4");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"5", cb:l=>{addDigit("5");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"6", cb:l=>{addDigit("6");}}
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]},
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{type:"h", c: [
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"1", cb:l=>{addDigit("1");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"2", cb:l=>{addDigit("2");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:"3", cb:l=>{addDigit("3");}}
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]},
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{type:"h", c: [
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:" 0 ", cb:l=>{addDigit("0");}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label:" C ", cb:l=>{key=key.slice(0,-1); update();}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, id:"OK", label:" OK", cb:callback}
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]}
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]}
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], lazy:true});
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g.clear();
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numPad.render();
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}
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function removeCard() {
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var menu = {
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"" : {title : "select card"},
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"< Back" : mainMenu
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};
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if (Object.keys(pins).length==0) Object.assign(menu, {"NO CARDS":""});
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else for (let c in pins) {
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let card=c;
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menu[c]=()=>{
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E.showMenu();
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var confirmRemove = new Layout (
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{type:"v", c: [
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{type:"txt", font:"15%", pad:1, fillx:1, filly:1, label:"Delete"},
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{type:"txt", font:"15%", pad:1, fillx:1, filly:1, label:card+"?"},
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{type:"h", c: [
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: "YES", cb:l=>{delete pins[card];mainMenu();}},
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{type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: "NO", cb:l=>{mainMenu();}}
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]}
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], lazy:true});
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g.clear();
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confirmRemove.render();
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};
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}
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E.showMenu(menu);
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}
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function addCard() {
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var help = new Layout({
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type:"v", c: [
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{type:"btn", font:"8%", label:"Enter a name, PIN\nand key for your\ncard. The pin will\nbe stored on your\ndevice in encrypted\nform.", cb:l=>{
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require("textinput").input({text:""}).then(result => {
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if (pins[result]!=undefined) {
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E.showMenu();
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var alreadyExists = new Layout (
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{type:"v", c: [
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{type:"txt", font:Math.min(15,100/result.length)+"%", pad:1, fillx:1, filly:1, label:result},
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{type:"txt", font:"12%", pad:1, fillx:1, filly:1, label:"already exists."},
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{type:"h", c: [
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{type:"btn", font:"10%", pad:1, fillx:1, filly:1, label: "REPLACE", cb:l=>{encodeCard(result);}},
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{type:"btn", font:"10%", pad:1, fillx:1, filly:1, label: "CANCEL", cb:l=>{mainMenu();}}
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]}
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], lazy:true});
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g.clear();
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alreadyExists.render();
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} else
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encodeCard(result);
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});
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}}
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]
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});
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g.clear();
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help.render();
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}
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function encodeCard(name) {
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showNumpad("PIN:", function() {
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if (key.length==0) mainMenu();
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else {
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var pin=key;
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showNumpad("Key:", function() {
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if (key.length==0) mainMenu();
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else {
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var pinEncrypted="";
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for (let n=0;n<pin.length;n++) {
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a=(10+Number(pin[n])+Number(key[n%key.length]))%10;
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pinEncrypted+=a;
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}
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pins[name]=pinEncrypted;
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require('Storage').writeJSON("pinsafe.json", pins);
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mainMenu();
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}
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});
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}
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});
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}
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g.reset();
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g.clear();
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Bangle.setUI();
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mainMenu();
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