/
axe.js
109 lines (93 loc) · 4 KB
/
axe.js
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;(function(){
var sT = setTimeout || {}, u;
if(typeof window !== ''+u){ sT.window = window }
var AXE = (sT.window||'').AXE || function(){};
if(AXE.window = sT.window){ AXE.window.AXE = AXE }
var Gun = (AXE.window||'').GUN || require('./gun');
(Gun.AXE = AXE).GUN = AXE.Gun = Gun;
//if(!Gun.window){ try{ require('./lib/axe') }catch(e){} }
if(!Gun.window){ require('./lib/axe') }
Gun.on('opt', function(at){ start(at) ; this.to.next(at) }); // make sure to call the "next" middleware adapter.
function start(root){
if(root.axe){ return }
var opt = root.opt, peers = opt.peers;
if(false === opt.axe){ return }
if(!Gun.window){ return } // handled by ^ lib/axe.js
var w = Gun.window, lS = w.localStorage || opt.localStorage || {}, loc = w.location || opt.location || {}, nav = w.navigator || opt.navigator || {};
var axe = root.axe = {}, tmp, id;
var mesh = opt.mesh = opt.mesh || Gun.Mesh(root); // DAM!
tmp = peers[id = loc.origin + '/gun'] = peers[id] || {};
tmp.id = tmp.url = id; tmp.retry = tmp.retry || 0;
tmp = peers[id = 'http://localhost:8765/gun'] = peers[id] || {};
tmp.id = tmp.url = id; tmp.retry = tmp.retry || 0;
Gun.log.once("AXE", "AXE enabled: Trying to find network via (1) local peer (2) last used peers (3) a URL parameter, and last (4) hard coded peers.");
Gun.log.once("AXEWarn", "Warning: AXE is in alpha, use only for testing!");
var last = lS.peers || ''; if(last){ last += ' ' }
last += ((loc.search||'').split('peers=')[1]||'').split('&')[0];
root.on('bye', function(peer){
this.to.next(peer);
if(!peer.url){ return } // ignore WebRTC disconnects for now.
if(!nav.onLine){ peer.retry = 1 }
if(peer.retry){ return }
if(axe.fall){ delete axe.fall[peer.url || peer.id] }
(function next(){
if(!axe.fall){ setTimeout(next, 9); return } // not found yet
var fall = Object.keys(axe.fall||''), one = fall[(Math.random()*fall.length) >> 0];
if(!fall.length){ lS.peers = ''; one = 'https://gunjs.herokuapp.com/gun' } // out of peers
if(peers[one]){ next(); return } // already choose
mesh.hi(one);
}());
});
root.on('hi', function(peer){ // TEMPORARY! Try to connect all peers.
this.to.next(peer);
if(!peer.url){ return } // ignore WebRTC disconnects for now.
return; // DO NOT COMMIT THIS FEATURE YET! KEEP TESTING NETWORK PERFORMANCE FIRST!
(function next(){
if(!peer.wire){ return }
if(!axe.fall){ setTimeout(next, 9); return } // not found yet
var one = (next.fall = next.fall || Object.keys(axe.fall||'')).pop();
if(!one){ return }
setTimeout(next, 99);
mesh.say({dam: 'opt', opt: {peers: one}}, peer);
}());
});
function found(text){
axe.fall = {};
((text||'').match(/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/ig)||[]).forEach(function(url){
axe.fall[url] = {url: url, id: url, retry: 0}; // RETRY
});
return;
// TODO: Finish porting below? Maybe not.
Object.keys(last.peers||'').forEach(function(key){
tmp = peers[id = key] = peers[id] || {};
tmp.id = tmp.url = id;
});
tmp = peers[id = 'https://guntest.herokuapp.com/gun'] = peers[id] || {};
tmp.id = tmp.url = id;
var mesh = opt.mesh = opt.mesh || Gun.Mesh(root); // DAM!
mesh.way = function(msg){
if(root.$ === msg.$ || (msg._||'').via){
mesh.say(msg, opt.peers);
return;
}
var at = (msg.$||'')._;
if(!at){ mesh.say(msg, opt.peers); return }
if(msg.get){
if(at.axe){ return } // don't ask for it again!
at.axe = {};
}
mesh.say(msg, opt.peers);
}
}
if(last){ found(last); return }
try{ fetch(((loc.search||'').split('axe=')[1]||'').split('&')[0] || loc.axe || 'https://raw.githubusercontent.com/wiki/amark/gun/volunteer.dht.md').then(function(res){
return res.text()
}).then(function(text){
found(lS.peers = text);
}).catch(function(){
found(); // nothing
})}catch(e){found()}
}
var empty = {}, yes = true;
try{ if(typeof module != ''+u){ module.exports = AXE } }catch(e){}
}());