better organization + feature improvements

This commit is contained in:
Mark Nadal 2018-02-06 03:50:43 -08:00
parent 83c411a554
commit 53ab90c8d3
2 changed files with 126 additions and 92 deletions

View File

@ -163,13 +163,6 @@
// Check out the interactive tutorial
// for how to build a simplified version
// of this example: https://scrimba.com/c/c2gBgt4
if(location.protocol.indexOf('s') < 0 && location.host.indexOf('localhost') < 0){ location.protocol = 'https:'; }
/*
NOTES:
- SEA should auto redirect to https by default, except if app developer disables it.
- SEA should auto-lock/block itself while login or signup is happening, to prevent duplicates.
- SEA should auto user.leave() if/when errors on login/signup happen to prevent bugs.
*/
var gun = Gun(location.origin+'/gun');
var app = gun.get('example/contacts/6');
var user = gun.user();
@ -210,7 +203,6 @@
*/
})).on('click','form.sign button:last', function(){
var but = $(this), form = $(this).closest('form'), data = {alias: form.find('input:first').val(), pass: form.find('input:last').val()};
if(but.is('.loading')){ return }
data.born = Gun.time.is();
if(!data.alias || data.alias.length < 5){
c.tell("Alias needs to be longer than 5 characters.");
@ -223,8 +215,8 @@
but.addClass('loading');
data.alias = data.alias.toLowerCase();
user.create(data.alias, data.pass, function(ack){
but.removeClass('loading');
if(ack.err){ c.tell(ack.err); sessionStorage.clear(); user.leave(); return }
if(!ack.wait){ but.removeClass('loading') }
if(ack.err){ c.tell(ack.err); return }
if(ack.pub){
gun.get('users').get(data.alias).put(gun.get('alias/'+data.alias));
}
@ -246,7 +238,7 @@
}
data.alias = data.alias.toLowerCase();
user.auth(data.alias, data.pass, function(ack){
if(ack.err){ c.tell(ack.err); sessionStorage.clear(); user.leave(); return }
if(ack.err){ c.tell(ack.err); return }
session(data);
});
}

204
sea.js
View File

@ -7,15 +7,6 @@
;(function(){ // eslint-disable-line no-extra-semi
/* UNBUILD */
/*
Security, Encryption, and Authorization: SEA.js
*/
// NECESSARY PRE-REQUISITE: http://gun.js.org/explainers/data/security.html
/* THIS IS AN EARLY ALPHA!!! */
var root;
if(typeof window !== "undefined"){ root = window }
if(typeof global !== "undefined"){ root = global }
@ -31,47 +22,25 @@
}
}
if(typeof module !== "undefined"){ var common = module }
const Gun = (typeof window !== 'undefined' ? window : global).Gun || require('./gun')
let subtle
let subtleossl
let getRandomBytes
let indexedDB
let crypto
let funcsSetter
/* UNBUILD */
if (typeof __webpack_require__ === 'function' || typeof window !== 'undefined') {
const wc = window.crypto || window.msCrypto // STD or M$
subtle = wc.subtle || wc.webkitSubtle // STD or iSafari
getRandomBytes = (len) => Buffer.from(wc.getRandomValues(new Uint8Array(Buffer.alloc(len))))
funcsSetter = () => window
indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB
|| window.msIndexedDB || window.shimIndexedDB
} else {
crypto = require('crypto')
const WebCrypto = require('node-webcrypto-ossl')
const webcrypto = new WebCrypto({directory: 'key_storage'})
subtleossl = webcrypto.subtle
subtle = require('@trust/webcrypto').subtle // All but ECDH
getRandomBytes = (len) => Buffer.from(crypto.randomBytes(len))
funcsSetter = () => {
const { TextEncoder, TextDecoder } = require('text-encoding')
// Let's have Storage for NodeJS / testing
const sessionStorage = new require('node-localstorage').LocalStorage('.sessionStorage')
const localStorage = new require('node-localstorage').LocalStorage('.localStorage')
return { TextEncoder, TextDecoder, sessionStorage, localStorage }
}
indexedDB = require('fake-indexeddb')
}
const { TextEncoder, TextDecoder, sessionStorage, localStorage } = funcsSetter()
;USE(function(module){
/*
Security, Encryption, and Authorization: SEA.js
*/
if (typeof __webpack_require__ !== 'function' && typeof global !== 'undefined') {
global.sessionStorage = sessionStorage
global.localStorage = localStorage
}
// NECESSARY PRE-REQUISITE: http://gun.js.org/explainers/data/security.html
/* THIS IS AN EARLY ALPHA!!! */
if(typeof window !== 'undefined'){
if(location.protocol.indexOf('s') < 0
&& location.host.indexOf('localhost') < 0
&& location.protocol.indexOf('file:') < 0){
location.protocol = 'https:';
}
}
})(USE, './https');
;USE(function(module){
// This is Array extended to have .toString(['utf8'|'hex'|'base64'])
@ -178,6 +147,32 @@
module.exports = SafeBuffer;
})(USE, './buffer');
;USE(function(module){
let subtle
let subtleossl
let getRandomBytes
let crypto
var Buffer = USE('./buffer');
var wc;
var api = {};
if (typeof __webpack_require__ === 'function' || typeof window !== 'undefined') {
api.crypto = wc = window.crypto || window.msCrypto // STD or M$
api.subtle = subtle = wc.subtle || wc.webkitSubtle // STD or iSafari
api.random = getRandomBytes = (len) => Buffer.from(wc.getRandomValues(new Uint8Array(Buffer.alloc(len))))
} else {
api.crypto = crypto = require('crypto')
const WebCrypto = require('node-webcrypto-ossl')
const webcrypto = new WebCrypto({directory: 'key_storage'})
api.ossl = subtleossl = webcrypto.subtle
api.subtle = subtle = require('@trust/webcrypto').subtle // All but ECDH
api.random = getRandomBytes = (len) => Buffer.from(crypto.randomBytes(len))
}
module.exports = api;
})(USE, './webcrypto');
;USE(function(module){
// This is safe class to operate with IndexedDB data - all methods are Promise
function EasyIndexedDB(objectStoreName, dbName = 'GunDB', dbVersion = 1) {
@ -226,9 +221,34 @@
}
})
}
// This is IndexedDB used by Gun SEA
const seaIndexedDb = new EasyIndexedDB('SEA', 'GunDB', 1)
let indexedDB
let funcsSetter
if (typeof __webpack_require__ === 'function' || typeof window !== 'undefined') {
funcsSetter = () => window
indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB || window.shimIndexedDB
} else {
funcsSetter = () => {
const { TextEncoder, TextDecoder } = require('text-encoding')
// Let's have Storage for NodeJS / testing
const sessionStorage = new require('node-localstorage').LocalStorage('.sessionStorage')
const localStorage = new require('node-localstorage').LocalStorage('.localStorage')
return { TextEncoder, TextDecoder, sessionStorage, localStorage }
}
indexedDB = require('fake-indexeddb')
}
const { TextEncoder, TextDecoder, sessionStorage, localStorage } = funcsSetter()
if (typeof __webpack_require__ !== 'function' && typeof global !== 'undefined') {
global.sessionStorage = sessionStorage
global.localStorage = localStorage
}
const seaIndexedDb = new EasyIndexedDB('SEA', 'GunDB', 1) // This is IndexedDB used by Gun SEA
EasyIndexedDB.scope = seaIndexedDb; // for now. This module should not export an instance of itself!
module.exports = EasyIndexedDB;
})(USE, './indexed');
@ -280,13 +300,16 @@
})(USE, './parse');
;USE(function(module){
var wc = USE('./webcrypto');
var subtle = wc.subtle;
var getRandomBytes = wc.random;
var Buffer = USE('./buffer');
var parseProps = USE('./parse');
var settings = USE('./settings');
var pbKdf2 = settings.pbkdf2;
// This internal func returns SHA-256 hashed data for signing
const sha256hash = async (mm) => {
const hashSubtle = subtleossl || subtle
const hashSubtle = wc.ossl || subtle
const m = parseProps(mm)
const hash = await hashSubtle.digest(pbKdf2.hash, new TextEncoder().encode(m))
return Buffer.from(hash)
@ -303,6 +326,8 @@
;USE(function(module){
var Buffer = USE('./buffer');
var sha256hash = USE('./sha256');
var wc = USE('./webcrypto');
var subtle = wc.subtle;
var seaIndexedDb = USE('./indexed').scope;
var settings = USE('./settings');
var authsettings = settings.recall;
@ -347,6 +372,10 @@
;USE(function(module){
const Gun = (typeof window !== 'undefined' ? window : global).Gun || require('gun/gun')
var wc = USE('./webcrypto');
var subtle = wc.subtle;
var getRandomBytes = wc.random;
var EasyIndexedDB = USE('./indexed');
var SafeBuffer = USE('./buffer');
var settings = USE('./settings');
@ -358,15 +387,7 @@
var sha256hash = USE('./sha256');
var recallCryptoKey = USE('./remember');
var parseProps = USE('./parse');
// THIS WILL BE DEPRECATED IN FAVOR OF `Gun.SEA`!
// let's extend the gun chain with a `SEA` function.
// maps locally used methods to Gun and returns SEA object.
Gun.chain.SEA = function() {
const root = this.back(-1)
const sea = root._.SEA || (root._.SEA = root.chain()); // create a SEA context
Object.keys(SEA).map((method) => sea[method] = SEA[method])
return sea
}
// Practical examples about usage found from ./test/common.js
const SEA = {
// This is easy way to use IndexedDB, all methods are Promises
@ -432,7 +453,7 @@
},
async pair() {
try {
const ecdhSubtle = subtleossl || subtle
const ecdhSubtle = wc.ossl || subtle
// First: ECDSA keys for signing/verifying...
const { pub, priv } = await subtle.generateKey(ecdsaKeyProps, true, [ 'sign', 'verify' ])
.then(async ({ publicKey, privateKey }) => {
@ -973,17 +994,17 @@
var seaIndexedDb = USE('./indexed').scope;
// This internal func executes logout actions
const authLeave = async (root, alias = root._.user._.alias) => {
const { user = { _: {} } } = root._
root._.user = null
var user = root._.user._ || {};
[ 'get', 'soul', 'ack', 'put', 'is', 'alias', 'pub', 'epub', 'sea' ].map((key) => delete user[key])
if(user.gun){
delete user.gun.is;
}
// Let's use default
root.user();
// Removes persisted authentication & CryptoKeys
try {
await authPersist({ alias })
} catch (e) {} //eslint-disable-line no-empty
// TODO: is this correct way to 'logout' user from Gun.User ?
[ 'alias', 'sea', 'pub' ].map((key) => delete user._[key])
user._.is = user.is = {}
// Let's use default
root.user();
return { ok: 0 }
}
module.exports = authLeave;
@ -997,6 +1018,7 @@
var authRecall = USE('./recall');
var authenticate = USE('./authenticate');
var finalizeLogin = USE('./login');
var authLeave = USE('./leave');
// let's extend the gun chain with a `user` function.
// only one user can be logged in at a time, per gun instance.
Gun.chain.user = function() {
@ -1017,7 +1039,14 @@
Object.assign(User, {
async create(username, pass, cb) {
const root = this.back(-1)
return new Promise((resolve, reject) => { // Because no Promises or async
var gun = this, cat = (gun._);
cb = cb || function(){};
if(cat.ing){
cb({err: Gun.log("User is already being created or authenticated!"), wait: true});
return gun;
}
cat.ing = true;
var p = new Promise((resolve, reject) => { // Because no Promises or async
// Because more than 1 user might have the same username, we treat the alias as a list of those users.
if(cb){ resolve = reject = cb }
root.get(`alias/${username}`).get(async (at, ev) => {
@ -1026,6 +1055,8 @@
// If we can enforce that a user name is already taken, it might be nice to try, but this is not guaranteed.
const err = 'User already created!'
Gun.log(err)
cat.ing = false;
gun.leave();
return reject({ err })
}
const salt = Gun.text.random(64)
@ -1045,7 +1076,7 @@
// SEA.write(salt, pairs).then((signedsalt) =>
SEA.write({ salt, auth }, pairs)
// )
).catch((e) => { Gun.log('SEA.en or SEA.write calls failed!'); reject(e) })
).catch((e) => { Gun.log('SEA.en or SEA.write calls failed!'); cat.ing = false; gun.leave(); reject(e) })
const user = { alias, pub, epub, auth }
const tmp = `pub/${pairs.pub}`
// awesome, now we can actually save the user with their public key as their ID.
@ -1053,25 +1084,38 @@
// next up, we want to associate the alias with the public key. So we add it to the alias list.
root.get(`alias/${username}`).put(Gun.obj.put({}, tmp, Gun.val.rel.ify(tmp)))
// callback that the user has been created. (Note: ok = 0 because we didn't wait for disk to ack)
setTimeout(() => { resolve({ ok: 0, pub: pairs.pub}) }, 10) // TODO: BUG! If `.auth` happens synchronously after `create` finishes, auth won't work. This setTimeout is a temporary hack until we can properly fix it.
setTimeout(() => { cat.ing = false; resolve({ ok: 0, pub: pairs.pub}) }, 10) // TODO: BUG! If `.auth` happens synchronously after `create` finishes, auth won't work. This setTimeout is a temporary hack until we can properly fix it.
} catch (e) {
Gun.log('SEA.create failed!')
cat.ing = false;
gun.leave();
reject(e)
}
})
})
return gun; // gun chain commands must return gun chains!
},
// now that we have created a user, we want to authenticate them!
async auth(alias, pass, cb, opts) {
if(cb && !(cb instanceof Function)){ opts = cb }
if(cb && !(cb instanceof Function)){ opts = cb; cb = function(){} }
const { pin, newpass } = opts || {}
const root = this.back(-1)
cb = cb || function(){};
var gun = this, cat = (gun._);
if(cat.ing){
cb({err: "User is already being created or authenticated!", wait: true});
return gun;
}
cat.ing = true;
if (!pass && pin) {
try {
return await authRecall(root, { alias, pin })
var r = await authRecall(root, { alias, pin })
return cat.ing = false, cb(r), gun;
} catch (e) {
throw { err: 'Auth attempt failed! Reason: No session data for alias & PIN' }
var err = { err: 'Auth attempt failed! Reason: No session data for alias & PIN' }
return cat.ing = false, gun.leave(), cb(err), gun;
}
}
@ -1079,8 +1123,7 @@
const { message, err = message || '' } = e
Gun.log(msg)
var error = { err: `${msg} Reason: ${err}` }
if(cb){ cb(error) }
throw error;
return cat.ing = false, gun.leave(), cb(error), gun;
}
try {
@ -1112,20 +1155,19 @@
// then we're done
var login = finalizeLogin(alias, keys, root, { pin })
login.catch(putErr('Failed to finalize login with new password!'))
if(cb){ cb(login) }
return login;
return cat.ing = false, cb(login), gun;
} catch (e) {
putErr('Password set attempt failed!')(e)
return putErr('Password set attempt failed!')(e)
}
} else {
var login = finalizeLogin(alias, keys, root, { pin })
login.catch(putErr('Finalizing login failed!'))
if(cb){ cb(login) }
return login;
return cat.ing = false, cb(login), gun;
}
} catch (e) {
putErr('Auth attempt failed!')(e)
return putErr('Auth attempt failed!')(e)
}
return gun;
},
async leave() {
return await authLeave(this.back(-1))