refactor gossip v 1.8.0
Ev Bogue
4 years ago
parent
7b410ab4c6
commit
9983e7b768
@ -1,198 +1,180 @@
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function sync (subs, keys) {
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function processreq (req, pubkey, connection, keys) {
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console.log(req)
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if (req.box || req.signature) {
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renderAd(req, keys)
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}
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var wsServers
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localforage.getItem('securepubs').then(function (servers) {
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if (servers) {
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wsServers = servers
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} else {
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servers = ['ws://bogbook.com', 'ws://localhost:8080']
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var pubs = []
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servers.forEach(server => {
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var ws = new WebSocket(server)
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ws.onopen = function () {
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ws.send(JSON.stringify({requester: keys.publicKey, sendpub: true}))
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}
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ws.onmessage = function (message) {
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pubs.push(server + '/~' + message.data)
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localforage.setItem('securepubs', pubs)
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}
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})
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wsServers = pubs
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}
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}).then(function () {
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subs.forEach(function (sub, index) {
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setTimeout(function () {
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wsServers.forEach(function (server, index) {
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setTimeout(function () {
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//console.log('SYNCING WITH: ' + server + ' to fetch ' + sub)
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var split = server.split('~')
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var serverurl = split[0]
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var serverpub = split[1]
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var ws = new WebSocket(serverurl)
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if (req.seq === 0 || req.seq) {
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console.log('feed sync')
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bog(req.author).then(feed => {
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if (feed) {
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open(feed[0]).then(msg => {
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if (req.seq > msg.seq) {
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var reqdiff = JSON.stringify({author: req.author, seq: msg.seq})
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box(reqdiff, pubkey, keys).then(boxed => {
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connection.send(JSON.stringify({
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requester: keys.publicKey,
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box: boxed
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}))
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})
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}
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bog(sub).then(srclog => {
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if (srclog) {
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open(srclog[0]).then(msg => {
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ws.onopen = function () {
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var message = JSON.stringify(msg)
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// if we have a log then send the latest log and see if we get anything back
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box(message, serverpub, keys).then(boxed => {
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var obj = {
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requester: keys.publicKey,
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box: boxed
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}
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ws.send(JSON.stringify(obj))
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})
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}
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ws.onmessage = function (message) {
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var req = JSON.parse(message.data)
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unbox(req.box, req.requester, keys).then(unboxed => {
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var unboxedreq = JSON.parse(nacl.util.encodeUTF8(unboxed))
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if (unboxedreq.content) {
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unboxedreq.signature = unboxedreq.content
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renderAd(unboxedreq, keys)
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}
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if (unboxedreq.box) {
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renderAd(unboxedreq, keys)
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}
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if (unboxedreq.seq === 0) {
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var stringedfeed = JSON.stringify(srclog)
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box(stringedfeed, serverpub, keys).then(boxed => {
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var obj = {
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requester: keys.publicKey,
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box: boxed
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}
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//console.log('Sending entire log of ' + msg.author + ' to ' + serverpub)
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ws.send(JSON.stringify(obj))
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})
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}
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if (unboxedreq.seq > msg.seq) {
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//console.log('server feed is longer, requesting diff from server')
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var reqdiff = JSON.stringify({author: unboxedreq.author, seq: msg.seq})
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box(reqdiff, serverpub, keys).then(boxed => {
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var obj = {
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requester: keys.publicKey,
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box: boxed
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}
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ws.send(JSON.stringify(obj))
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})
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}
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if (req.seq < msg.seq) {
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var endrange = feed.length - req.seq - 25
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if (endrange < 0) {
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endrange = feed.length - req.seq - 1
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}
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var baserange = feed.length - req.seq
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var diff = JSON.stringify(
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feed.slice(
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endrange,
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baserange)
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)
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box(diff, pubkey, keys).then(boxed => {
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connection.send(JSON.stringify({
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requester: keys.publicKey,
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box: boxed
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}))
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})
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}
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})
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} else { console.log('we dont have it')}
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})
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}
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if (unboxedreq.seq < msg.seq) {
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//console.log('server feed is shorter, sending diff to server')
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var diff = JSON.stringify(srclog.slice(0, msg.seq - unboxedreq.seq))
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box(diff, serverpub, keys).then(boxed => {
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var obj = {
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requester: keys.publicKey,
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box: boxed
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}
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ws.send(JSON.stringify(obj))
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})
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}
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if (Array.isArray(req)) {
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open(req[0]).then(msg => {
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localforage.getItem(msg.author).then(feed => {
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if (!feed) {
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localforage.setItem(msg.author, req)
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localforage.getItem('log').then(log => {
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if (!log) {
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var log = []
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}
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for (var i = req.length -1; i >= 0; --i) {
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open(req[i]).then(opened => {
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log.unshift(opened)
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var src = window.location.hash.substring(1)
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if ((src === msg.author) || (src === '')) {
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var scroller = document.getElementById('scroller')
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scroller.insertBefore(render(opened, keys), scroller.childNodes[1])
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}
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if (opened.seq === req.length) {
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log.sort((a, b) => a.timestamp - b.timestamp)
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var reversed = log.reverse()
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localforage.setItem('log', reversed)
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}
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})
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}
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})
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} if (feed) {
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open(feed[0]).then(lastmsg => {
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if (req.length + lastmsg.seq === msg.seq) {
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var newlog = req.concat(feed)
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localforage.setItem(msg.author, newlog)
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localforage.getItem('log').then(log => {
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if (!log) {
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var log = []
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}
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for (var i = req.length -1; i >= 0; --i) {
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open(req[i]).then(opened => {
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log.unshift(opened)
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var scroller = document.getElementById('scroller')
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if (Array.isArray(unboxedreq)) {
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//console.log('received diff from server')
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open(unboxedreq[0]).then(msg => {
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localforage.getItem(msg.author).then(feed => {
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open(feed[0]).then(lastmsg => {
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if (unboxedreq.length + lastmsg.seq === msg.seq) {
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var newlog = unboxedreq.concat(feed)
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localforage.setItem(msg.author, newlog).then(success => {
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//console.log('combined existing feed of ' + msg.author + ' with diff and saved to client')
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})
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localforage.getItem('log').then(log => {
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if (!log) {
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var log = []
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}
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for (var i = unboxedreq.length -1; i >= 0; --i) {
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open(unboxedreq[i]).then(opened => {
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log.unshift(opened)
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var scroller = document.getElementById('scroller')
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var src = window.location.hash.substring(1)
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if ((src === sub) || (src === '')) {
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var scroller = document.getElementById('scroller')
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scroller.insertBefore(render(opened, keys), scroller.childNodes[1])
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}
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if (unboxedreq.length + lastmsg.seq === opened.seq) {
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log.sort((a, b) => a.timestamp - b.timestamp)
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var reversed = log.reverse()
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localforage.setItem('log', reversed).then(success => {
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//console.log('saved log with ' + opened.author + ' prepended to localForage')
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})
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}
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})
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}
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})
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}
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})
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})
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})
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}
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})
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}
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})
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} else {
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//console.log('NO LOG IN CLIENT')
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ws.onopen = function () {
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var reqwhole = JSON.stringify({author: sub, seq: 0})
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box(reqwhole, serverpub, keys).then(boxed => {
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var obj = {
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requester: keys.publicKey,
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box: boxed
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var src = window.location.hash.substring(1)
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if ((src === msg.author) || (src === '')) {
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var scroller = document.getElementById('scroller')
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scroller.insertBefore(render(opened, keys), scroller.childNodes[1])
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}
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ws.send(JSON.stringify(obj))
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})
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}
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ws.onmessage = function (message) {
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var req = JSON.parse(message.data)
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//console.log('received message from ' + req.requester)
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unbox(req.box, req.requester, keys).then(unboxed => {
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var unboxedreq = JSON.parse(nacl.util.encodeUTF8(unboxed))
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if (Array.isArray(unboxedreq)) {
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open(unboxedreq[0]).then(msg => {
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localforage.getItem(msg.author).then(feed => {
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if (!feed) {
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localforage.setItem(msg.author, unboxedreq).then(success => {
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//console.log('saved log of ' + msg.author + ' to localforage')
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})
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localforage.getItem('log').then(log => {
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if (!log) {
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var log = []
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}
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for (var i = unboxedreq.length -1; i >= 0; --i) {
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open(unboxedreq[i]).then(opened => {
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log.unshift(opened)
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var src = window.location.hash.substring(1)
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if ((src === sub) || (src === '')) {
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var scroller = document.getElementById('scroller')
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scroller.insertBefore(render(opened, keys), scroller.childNodes[1])
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}
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if (opened.seq === unboxedreq.length) {
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log.sort((a, b) => a.timestamp - b.timestamp)
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var reversed = log.reverse()
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localforage.setItem('log', reversed).then(success => {
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//console.log('saved log with ' + opened.author + ' prepended to localForage')
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})
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}
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})
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}
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})
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}
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})
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})
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if (req.length + lastmsg.seq === opened.seq) {
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log.sort((a, b) => a.timestamp - b.timestamp)
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var reversed = log.reverse()
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localforage.setItem('log', reversed)
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}
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})
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}
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}
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})
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}
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})
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}
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})
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})
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}
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}
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function getpubkey (connection, keys) {
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console.log('asking for pubkey')
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connection.onopen = () => {
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connection.send(JSON.stringify({
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requester: keys.publicKey, sendpub: true
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}))
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}
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connection.onmessage = (m) => {
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console.log(m)
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localforage.setItem(m.origin, m.data)
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}
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}
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function getfeed (feed, pubkey, connection, keys) {
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bog(feed).then(log => {
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var logseq = 0
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connection.onopen = () => {
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if (log) {
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open(log[0]).then(msg => {
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box(JSON.stringify(msg), pubkey, keys).then(boxed => {
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connection.send(JSON.stringify({
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requester: keys.publicKey,
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box: boxed
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}))
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})
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logseq = msg.seq
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})
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} else {
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var msg = {
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author: feed,
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seq: logseq
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}
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box(JSON.stringify(msg), pubkey, keys).then(boxed => {
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connection.send(JSON.stringify({
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requester: keys.publicKey,
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box: boxed
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}))
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})
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}
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}
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connection.onmessage = (m) => {
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var req = JSON.parse(m.data)
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unbox(req.box, req.requester, keys).then(unboxed => {
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var unboxedreq = JSON.parse(unboxed)
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processreq(unboxedreq, pubkey, connection, keys)
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})
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}
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})
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}
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function sync (feeds, keys) {
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var pubs
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localforage.getItem('pubs').then(pubs => {
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if (!pubs) {
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pubs = ['ws://' + location.hostname + ':8080']
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localforage.setItem('pubs', pubs)
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}
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pubs.forEach(function (pub, index) {
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setTimeout(function () {
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console.log(pub)
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var connection = new WebSocket(pub)
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localforage.getItem(pub).then(pubkey => {
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if (!pubkey) {
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getpubkey(connection, keys)
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}
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if (pubkey) {
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feeds.forEach(feed => {
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getfeed(feed, pubkey, connection, keys)
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})
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}, index * 50000)
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}
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})
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}, index * 20000)
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}, index * 5000)
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})
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})
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}
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