/
freerider.js
1916 lines (1837 loc) · 55.9 KB
/
freerider.js
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/*Copyright (C) 2014 Naïs - Aymeric Vitte
With modifications of https://github.com/mafintosh/torrent-stream:
Copyright (C) 2014 Mathias Buus Madsen <mathiasbuus@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
And
https://github.com/feross/bittorrent-dht
Copyright (c) 2013 Feross Aboukhadijeh, Mathias Buus, and other contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
And
https://github.com/hassansin/node-dnsbl-lookup
And
transcode inspired from https://github.com/trenskow/stream-transcoder.js/blob/master/lib/transcoder.js
*/
/* Network stats and tuning
see sysctl.txt
vi /etc/sysctl.conf
sysctl -p
netstat -s
netstat -vatn | wc -l
netstat -vaun | wc -l
netstat -tulpn | wc -l
ss -s
lsof -i -n -P | grep node | wc -l (active fd open)
ulimit
/etc/security/limits.conf:
root hard nofile 16384
root soft nofile 16384
etc/pam.d/su
uncomment require pam_limits.so
script ulimit -n 65536 run node
bt-dht contains announce && ip.addr==154.45.216.0/24
nmap -p 0-65535 -Pn -sU 86.193.125.203
15:23:respawn:/home/ordb3/torrent/torrent/torrent-live/boot.bash
*/
/* torrent-stream for Peersm - do not update storage.js */
var child_process=require('child_process');
child_process.exec('ulimit -n >>ulimit.txt',function(){});
var bittorrent=require('./index.js'),
dht=require('./node_modules/bittorrent-dht/index.js'),
pws=require('./node_modules/peer-wire-swarm/index.js'),
blocklist=require('./lib/blocklist.js'),
hat=require('./node_modules/hat/index.js'),
utp=require('./node_modules/utp/index.js'),
compact2string=require('./node_modules/compact2string/index.js'),
lookup=require('./node_modules/dnsbl-lookup/index.js'),
generate_id=require('./node_modules/bittorrent-nodeid/index.js'),
parseTorrent = require('parse-torrent'),
os=require('os'),
fs=require('fs'),
http=require('http'),
net=require('net'),
oconsole=console.log.bind(console),
Arrayblocklist=[],
Testblocklist={},
Iniblocklist={},
blocked,
SWARMS={},
nbswarms=0,
queue=[],
blocked_1,
Arrayblocklist1=[],
blocklist1={},
knownspies=[],
Arraysocks5=[],
tblocked=0,
format,
freerider=true,//TODO default to false
findspiesonly,
testspies,
testspiesbis,
peerbis,
testproxy,
proxy,
leveltest,
compare,
MB=1048576,
SPEED=100000,
START=1*1000,
//START=5*60*1000,
RETRY=10*1000,
MERGE=5*60*1000,
nbspy=0,
nbspy_1=0,
NB_FILES,
myip='0.0.0.0',
geoip,
crc32c,
file1,
file2,
fakenodeid,
spynodeid,
spyinfo,
spyannounce,
sendannounce,
spy_level1=[],
spy_level2=[],
LEVEL_1=1,
LEVEL_2=2,
UTP_TIMEOUT=5000,
TEST_BLOCKLIST=60*60*1000,
QUERY_BLOCKLIST=15*60*1000,
QUERY_BLOCKLIST2=60*60*1000,
QB=0,
//TEST_BLOCKLIST=2*60*1000,
nb_blocklist=0,
NB_RETRIES=3,
TEST_CONNECT=30000,
TEST_PEER=200,
INI_TEST=1000,
PROC_QUEUE=200,
mille,
nbmille=0,
prefixmille=0,
disthex=0,
save=0,
write=true,
test,
pathd='./',
AB_PREFIX=32,
NOR_PREFIX=24,
PREF_MIN=20,
PREF_MAX=24,
CLOSEST_MIN=5,
PEER_RATE=0.1,
PEER_MIN=20,
ANNOUNCERS={},
GETPEERS={},
TOO_MANY=10,
FFMPEG_BIN_PATH,
socks_ports=[1080,1081,60088],
MAX_V8_BUFFER=1e9;
try {
geoip=require('./geoip.js').geoip;
} catch(ee) {};
try {
crc32c=require('./node_modules/fast-crc32c');
} catch(ee) {};
/*
Use:
node freerider.js [infohash1-infohash2-...] [mp4/webm] [ffmpeg_path]
node freerider.js [magnet1-magnet2-...] [mp4/webm] [ffmpeg_path]
node freerider.js [a1-a2-...] [path] [mp4/webm] [ffmpeg_path]
node freerider.js [infohash1-infohash2-...] freerider [mp4/webm] [ffmpeg_path]
node freerider.js [magnet1-magnet2-...] freerider [mp4/webm] [ffmpeg_path]
node freerider.js [a1-a2-...] [path] freerider [mp4/webm] [ffmpeg_path]
node freerider.js [infohash1-infohash2-...] findspiesonly
node freerider.js [magnet1-magnet2-...] findspiesonly
node freerider.js [a1-a2-...] [path] findspiesonly
*/
process.on('uncaughtException',function (err) {
oconsole(err.stack+' '+(new Date().toDateString()));
try {
var fd=fs.openSync('/torrent.txt','a');
fs.writeSync(fd,(new Date().toDateString())+' '+(new Date().toTimeString()));
fs.writeSync(fd,err.stack);
fs.closeSync(fd);
} catch(ee) {}
});
if (process.argv) {
if (process.argv.length>1) {
var args=process.argv.splice(2);
if (args.length) {
var magnets=args[0];
if (magnets.indexOf('.torrent')!==-1) {
try {
var torrent_=fs.readFileSync(magnets);
torrent_=parseTorrent(torrent_);
if (torrent_.infoHash) {
console.log('infohash for '+magnets+': '+torrent_.infoHash);
magnets=torrent_.infoHash;
} else {
console.log('bad torrent file');
return;
};
} catch(ee) {
console.log('bad or non existing torrent file');
return;
};
};
if (args.length>1) {
if (args[1]==='freerider') {
freerider=true;
} else if (args[1]==='findspiesonly') {
findspiesonly=true;
freerider=true;
} else if (args[1]==='testspies') {
infohash=args[0];
testspies=args[2]?args[2]:true;
leveltest=args[3];
} else if (args[1]==='testspiesbis') {
testspiesbis=true;
peerbis=args[0];
} else if (args[1]==='testproxy') {
testproxy=true;
proxy=args[0];
} else if (args[1]==='compare') {
compare=true;
file1=args[2];
file2=args[3];
} else if (args[1]==='passivespy') {
fakenodeid=args[0];
} else if (args[1]==='spylookup') {
spynodeid=args[0];
} else if (args[1]==='spyinfo') {
spyinfo=true;
} else if (args[1]==='spyannounce') {
spyannounce=true;
} else if (args[1]==='sendannounce') {
sendannounce=true;
} else if (args[1]==='mp4') {
format='mp4';
} else if (args[1]==='webm') {
format='webm';
} else {
path=args[1];
};
if (args.length>2) {
if (args[2]==='freerider') {
freerider=true;
} else if (args[2]==='mp4') {
format='mp4';
} else if (args[2]==='webm') {
format='webm';
} else if (args[2]==='findspiesonly') {
findspiesonly=true;
} else {
FFMPEG_BIN_PATH=args[2]
};
};
if (args.length>3) {
FFMPEG_BIN_PATH=args[3]
};
};
};
};
};
FFMPEG_BIN_PATH=FFMPEG_BIN_PATH||'C:/Program Files/ffmpeg/ffmpeg-20150113-git-b23a866-win32-static/bin/ffmpeg.exe';
var path=path||'./store';
var torrent_live=function(magnet,first,free) {
var torrent,
infohash,
fakeinfohash,
fakeinfohash2,
ini_dht,
swarm,
closest,
T0,
myPort,
CLOSEST={},
PEERS=[],
STARTED,
queue_speer=[];
magnet=magnet||'magnet:?xt=urn:btih:ef330b39f4801d25b4245212e75a38634bfc856e';
free=!!free;
if (magnet.length<60) {
magnet='magnet:?xt=urn:btih:'+magnet;
};
if (magnet.length>60) {
console.log('Wrong magnet format, please enter it as: ef330b39f4801d25b4245212e75a38634bfc856e or magnet:?xt=urn:btih:ef330b39f4801d25b4245212e75a38634bfc856e');
process.exit();
};
//console.log(path+' '+magnet+' freerider '+free);
infohash=magnet.split(':btih:')[1].toLowerCase();
var check_peer=function(err,res,addr) {
if (!err) {
if (res) {
if (res.values) {
console.log('------- closest spy '+addr,true);
var rid;
if (res.id) {
rid=res.id.toString('hex');
};
addspy(addr,LEVEL_1,rid,res.version);
} else {
CLOSEST.push(addr);
};
};
} else {
//console.log('--- error --- '+addr,true);
};
if (queue_speer.length) {
queue_speer.shift()();
} else {
var check_peer2=function(err,res,addr) {
if (!err) {
if (!freerider) {
if (res.token) {
ini_dht._sendAnnouncePeer(contact.addr,infohash,myPort,res.token,function(err,res) {});
};
};
if (res.values) {
var c=res.values.length;
var rate=c>PEER_MIN?PEER_RATE:0;
var l=Math.ceil(c*rate);
res.values.forEach(function(add,i) {
if (i>l) {
if (!blocked.contains(add.split(':')[0])) {
PEERS.push(add);
} else {
console.log('------------- blocked spy '+add,true);
tblocked++;
};
};
})
};
};
if (queue_speer.length) {
queue_speer.shift()();
} else {
var tmp=[];
PEERS=unique.call(PEERS);
PEERS.sort(function() {return 0.5 - Math.random()});//TODO - better random
console.log('launch torrent nb_peers '+PEERS.length,true);
if (PEERS.length>=PEER_MIN) {
PEERS.forEach(function(addr) {
var ip=addr.split(':')[0];
if (tmp.indexOf(ip)===-1) {
tmp.push(ip);
} else {
addspy(addr,LEVEL_2);
};
});
};
STARTED=true;
PEERS.forEach(function(addr) {
torrent.discovery.emit('peer',addr);
});
};
};
console.log('number of closest after testing: '+CLOSEST.length,true);
CLOSEST.forEach(function (addr,i) {
var ip=addr.split(':')[0];
console.log(addr,true);
queue_speer.push(function() {
ini_dht._sendGetPeers(addr,infohash,function(err,res) {check_peer2(err,res,addr)});
});
});
if (queue_speer.length) {
queue_speer.shift()();
};
};
};
var onsettorrent=function() {
if (!STARTED) {
console.log('settorrent dht ready',true);
ini_dht.removeListener('peer',onpeer);
ini_dht.removeListener('node',onnode);
CLOSEST=ini_dht.closest_from_infohash;
console.log('number of closest: '+CLOSEST.length,true);
var tmp=[];
var tmp2=[];
var preflist=CLOSEST.map(function(contact) {return prefix(contact.id.toString('hex'),fakeinfohash)});
preflist.forEach(function(val,i) {
if ((val>=PREF_MIN)&&(val<=PREF_MAX)) {
tmp.push(CLOSEST[i]);
};
});
console.log('number of closest between 20 and 24: '+tmp.length,true);
if (tmp.length>=CLOSEST_MIN) {
CLOSEST=tmp;
};
tmp=[];
CLOSEST.forEach(function(contact,i) {
var addr=contact.addr;
var ip=addr.split(':')[0];
if (tmp2.indexOf(ip)===-1) {
tmp2.push(ip);
} else {
addspy(addr,LEVEL_1);
};
if (!blocked_1.contains(ip)) {
tmp.push(contact);
} else {
console.log('--------- potential spy '+addr,true);
};
});
CLOSEST=tmp;
console.log('number of closest after cleaning: '+CLOSEST.length,true);
CLOSEST.forEach(function (contact,i) {
var addr=contact.addr;
var ip=addr.split(':')[0];
queue_speer.push(function() {
//console.log('fake sendgetpeer to '+addr+' for '+fakeinfohash,true);
ini_dht._sendGetPeers(addr,fakeinfohash,function(err,res) {check_peer(err,res,addr)})
});
});
if (queue_speer.length) {
CLOSEST=[];
queue_speer.shift()();
};
} else {
console.log('Restarting torrent',true);
PEERS.forEach(function(addr) {
torrent.discovery.emit('peer',addr);
});
};
};
var onready=function() {
console.log('torrent ready',true);
T0=Date.now();
NB_FILES=torrent.files.length;
torrent.files.forEach(function(file) {
console.log('filename: '+file.name,true);
console.log('path: '+file.path);
var inc=0;
var n=0;
var t0=Date.now();
var l=file.length;
var name=file.name;
var child_buff=[[]];
var indexb=0;
var speed,time,nbwires,onbwires,child,streamres;
var stream=file.createReadStream();
var transcode=function() {
var a;
var trans=name.split('.');
trans.pop();
trans=trans.join('.');
trans=path+'/'+trans+'.'+format;
if (format==='webm') {
a='-i - -y -acodec libvorbis -f webm -maxrate 750k -minrate 550k -bufsize 1600k -b:v 600k -keyint_min 48 -g 48 -sc_threshold 0 -ab 96k pipe:1'; //TODO check that this is working with MSE
} else {
//a='-i - -vcodec h264 -f mp4 -movflags frag_keyframe+faststart -strict experimental pipe:1';
a='-i - -vcodec h264 -f mp4 -movflags frag_keyframe -strict experimental pipe:1'; //TODO check why fatstart does not work and make it mpeg-dash compatible
};
a=a.split(' ');
streamres=fs.createWriteStream(trans,{flags:'w'});
streamres.on('open',function() {
var n=0;
console.log('spawning ffmpeg '+a.join(' '),true);
child=child_process.spawn(FFMPEG_BIN_PATH,a,{cwd:os.tmpdir()});
child.stdin.on('error',function(err) {console.log('stdin error '+console.log(err.message))});
child.stderr.on('data', function(chunk) {
if (!(n%10)) {
console.log(' Transcoding still active: '+chunk.toString(),true);
};
n++;
});
child.on('exit',function(code) {
console.log('---- Transcoding finished -----',true)
});
//stream.pipe(child.stdin);//Slowing down too much the main download - write into the stream instead
child.stdout.pipe(streamres);
});
};
if (format) {
var ext=get_extension(file.name);
if (format!==ext) {
if (['avi','mkv','mp4','webm'].indexOf(ext)!==-1) {
//try {
console.log('Starting transcoding to '+format+' , this is usually much slower than the main download. When the download is finished please wait for the transcoding process to complete. You can start streaming the main file or the transcoded file just after the download has started.');
transcode();
//} catch(ee) {};
};
};
};
stream.on('data',function(chunk) {
var nb_peer_left=0;
inc +=chunk.length;
speed=inc*8/(Date.now()-T0);
time=((l-inc)*8/(speed*1000*3600)).toFixed(2).split('.');
time[1]=parseInt(time[1]*60/100);
time[1]=(time[1]<10)?('0'+time[1]):time[1];
torrent.swarm._queues.forEach(function(val) {nb_peer_left +=val.length});
console.log('got for torrent '+name+' size '+(l/MB).toFixed(2)+' MB '+chunk.length+' bytes of data - offset '+stream._piece+' - remaining '+((l-inc)/MB).toFixed(2)+' MB - speed: '+((speed<SPEED)?(parseInt(speed)+' kbps - time left: '+time[0]+'h'+time[1]):'already downloaded')+' - nb peers: '+torrent.swarm.wires.length+' - other peers '+nb_peer_left+' - blocked spies '+tblocked,true);
t0=Date.now();
if (l===inc) {
console.log('Download finished for '+name,true);
NB_FILES--;
if (!NB_FILES) {
torrent.destroy();
ini_dht.destroy();
};
};
if (streamres) { //modif due to V8 max array/buffer size
var cwrite=function() {
var ok=true;
while ((child_buff[0].length)&&(ok)) {
ok=child.stdin.write(child_buff[0].shift());
n++;
};
if (!ok) {
child.__buffer__=true;
child.stdin.once('drain',cwrite);
} else {
child_buff.shift();
if (child_buff.length) {
cwrite();
} else {
child.__buffer__=false;
};
};
};
if (child_buff[child_buff.length-1].length*chunk.length<MAX_V8_BUFFER) {
child_buff[child_buff.length-1].push(chunk);
} else {
child_buff.push([]);
child_buff[child_buff.length-1].push(chunk);
};
if (!child.__buffer__) {
if (child) {
child.__buffer__=true;
cwrite();
};
};
};
});
var peers=function() {
nbwires=torrent.swarm.wires.length;
if (nbwires!==onbwires) {
console.log('--- Peers in swarm:',true)
torrent.swarm.wires.forEach(function(wire) {
console.log(wire.peerAddress,true);
if (!wire.block_timeout) {
wire.block_timeout=true;
wire.on('timeout',function() {
torrent.swarm._remove(wire.peerAddress);
console.log('request timeout, add as spy');
addspy(wire.peerAddress,LEVEL_2);
});
};
});
};
onbwires=nbwires;
};
setInterval(peers,10000);
});
};
var utp_connect=function(addr,sw) {
var address=addr.split(':');
//console.log('testing peer level 2 uTP '+address[1]+' '+address[0],true);
if (address[0]) {
var socket=utp.connect(address[1],address[0]);
var utp_destroy=setTimeout(function() {socket.destroy()},UTP_TIMEOUT);
socket.on('connect',function() {
swarm['__'+addr+'__']=true;
//console.log('uTP connected for '+addr);
swarm['_'+addr+'_']=NB_RETRIES;
//if (!Testblocklist[addr]) {
addspy(addr,LEVEL_2);
//};
clearTimeout(utp_destroy);
socket.destroy();
});
socket.socket.on('error',function() {
clearTimeout(utp_destroy);
//console.log('uTP error',true);
});
socket.socket.on('close',function() {
clearTimeout(utp_destroy);
//console.log('uTP close',true);
});
return socket;
};
};
var test_connect=function(sw) {
var tmp=this.split(':');
var ip=tmp[0];
var test=((typeof Testblocklist[ip]==='undefined')||(typeof sw!=='undefined'))?true:(Testblocklist[ip].port!==0?true:false);
if (test) {
if (sw) {
delete Iniblocklist[ip];
if ((Testblocklist[ip])&&(Testblocklist[ip].info===sw)) {
var min=0;
var inisw=sw;
Object.keys(SWARMS).forEach(function(info) {
var dist=distance(inisw,info);
if ((dist<min)||(min===0)) {
min=dist;
sw=SWARMS[info];
};
});
//console.log('test_connect iniblocklist'+this+' info '+inisw+' with swarm '+sw.infoHash.toString('hex'),true);
} else {
return;
};
} else {
if (Iniblocklist[ip]) {
delete Iniblocklist[ip];
if (Testblocklist[ip]) {
if (!Testblocklist[ip].info) {
Testblocklist[ip].info=fakeinfohash;
} else {
return;
};
} else {
return;
};
};
sw=swarm;
};
sw.add(this);
//var udps=utp_connect(this,sw);
//console.log('test_connect '+this+' '+sw.infoHash.toString('hex'),true);
setTimeout((function() {
try {
udps.socket.close();
} catch(ee) {};
if (!sw['__'+this+'__']) {
//console.log('connection timeout for '+this,true);
deletespy(this,sw);
} else {
delete sw['__'+this+'__'];
};
}).bind(this),TEST_CONNECT);
setTimeout(function() {
if (queue.length) {
queue.shift()();
};
},PROC_QUEUE);
};
};
var testpeerlevel1=function(addr,hash,content,table,port) {
hash=hash+hat(140).toString('hex');
table._sendGetPeers(addr,hash,function(err,res) {
if (res) {
console.log('-------------------------- test level 1 response from '+addr+' with '+(res.values?'values':'nodes')+' nodeID '+res.id.toString('hex')+' for fake infohash '+hash,true);
if (res.values) {
var id=res.id;
var bep42=false;
test_bep42(res.id,addr.split(':')[0]);
console.log('-------------------------- test level 1 spy '+addr+' responded with values - nodeId:'+res.id.toString('hex')+' - bep42:'+bep42,true);
if (content.length===40) {
var haddr=addr.split(':')[0]+':'+port;
var testswarm=pws(content,'-UT3420-'+hat(48),{size:20,speed:10,freerider:null});
console.log('sending handshake to '+haddr+' for infohash '+content);
testswarm.on('handshake',function(wire,peerId) {
console.log('-------------------------- bt handshake success for '+wire.peerAddress+' infohash '+testswarm.infoHash.toString('hex')+' from peerId '+peerId,true);
wire.destroy();
var isproxy=false;
var socks_connect2=function(port,host) {
var client=new net.Socket();
var addr=host+':'+port;
client.setNoDelay(true);
client.on('connect',function() {
var hs=new Buffer('050400010203','hex');
client.write(hs);
});
client.on('data',function(data) {
console.log('socks test received : '+data.toString('hex')+' from '+addr,true);
if (data.slice(0,1).toString('hex')==='05') {
isproxy=true;
};
client.end();
});
client.on('error',function() {});
client.connect(port,host);
setTimeout(function(){client.end()},10000);
};
var test=function(addr) {
try {
addr=addr.split(':');
var nport=parseInt(addr[1])+1;
if (nport<65536) {
setTimeout(function() {test(addr[0]+':'+nport)},10);
} else {
console.log('-------------------------- proxy '+isproxy+' for '+addr,true);
};
socks_connect2(addr[1],addr[0]);
} catch(ee) {}
};
if (prefixmille.length>2) {
test(addr.split(':')[0]+':'+1);
};
});
testswarm.on('error',function(wire,err) {
console.log('----------------------- bt connection error for '+haddr,true);
wire.emit('close');
});
testswarm.on('close',function(wire) {
console.log('----------------------- bt connection closed for '+haddr,true);
});
testswarm.add(haddr);
};
};
} else {
console.log('test level 1 response error from '+addr+' '+err,true);
}
});
};
var addtestspy=function(addr,arr) {
if (arr.indexOf(addr)===-1) {
arr.push(addr);
};
};
var deletespy=function(addr,sw) {
if (!sw['_'+addr+'_']) {
var ip=addr.split(':')[0];
if (Testblocklist[ip]) {
delete Testblocklist[ip];
//nb_blocklist--;
//console.log('removing spy '+addr+' from swarm '+sw.infoHash.toString('hex'),true);
};
delete sw['_'+addr+'_'];
} else {
//console.log('Retrying '+addr);
sw['_'+addr+'_']--;
test_connect.call(addr);
};
};
var addspy=function(addr,type,id,version) {
var tmp=addr.split(':');
var ip=tmp[0];
var port=tmp[1];
if (isIP(ip)&&(isPort(port))) {
if (type===LEVEL_2) {
if (!blocked.contains(ip)) {
//console.log('adding new spy '+addr+' for swarm '+swarm.infoHash.toString('hex'),true);
nbspy++;
blocked.add(ip);
Arrayblocklist.push(ip);
if (swarm) {
swarm['_'+addr+'_']=NB_RETRIES;
};
/*
if (geoip) {
if (!mille) {
geoip(geoipfile,[ip]);
};
};
*/
} else {
if (swarm) {
swarm['_'+addr+'_']=NB_RETRIES;
};
};
if (Testblocklist[ip]) {
if ((port!==Testblocklist[ip].port)&&(Testblocklist[ip].port)) {
//console.log('tagging permanently '+ip)
Testblocklist[ip].port=0;
} else {
Testblocklist[ip].info=fakeinfohash;
if (swarm) {
setTimeout(test_connect.bind(addr),TEST_BLOCKLIST);
};
};
} else {
Testblocklist[ip]={port:port,info:fakeinfohash};
if (swarm) {
setTimeout(test_connect.bind(addr),TEST_BLOCKLIST);
};
};
if (torrent) {
if (torrent.swarm) {
torrent.swarm._remove(addr);
};
};
} else {
var sw;
if (swarm) {
sw=swarm.infoHash;
} else {
sw=fakeinfohash;
};
if (!blocked_1.contains(ip)) {
Arrayblocklist1.push(ip);
blocked_1.add(ip);
nbspy_1++;
var bep42=false;
if (id) {
bep42=test_bep42(new Buffer(id,'hex'),addr.split(':')[0]);
};
if (bep42) {
console.log('-------------------------- spy level 1 '+addr+' for infohash '+sw.toString('hex')+' nodeID '+id+' version '+version+' bep42 '+bep42+' total '+nbspy_1,true);
} else {
console.log('spy level 1 '+addr+' for infohash '+sw.toString('hex')+' nodeID '+id+' version '+version+' bep42 '+bep42+' total '+nbspy_1,true);
};
} else {
if (prefixmille.length>2) {
console.log('already known spy level 1 '+addr+' for '+sw.toString('hex'),true);
};
};
blocklist1[ip]=port+':'+sw.toString('hex').substr(0,5);
};
};
};
var peer_announce=function(nodeId) {
var table=dht({debug:false,freerider:false,blocklist:blocked,knownspies:knownspies,myip:myip,nodeId:nodeId});
var lookup=function() {
var finfohash=hat(160).toString('hex');
table.lookup(finfohash);
};
table.on('ready',lookup);
table.on('closest',lookup);
table.on('onAnnounce',function(addr) {
ANNOUNCERS[addr]=(++ANNOUNCERS[addr])||1;
if (ANNOUNCERS[addr]>TOO_MANY) {
var ip=addr.split(':')[0];
if (!blocked.contains(ip)) {
console.log('------- too many announces suspicious address '+addr,true);
addspy(addr,LEVEL_2);
};
};
});
table.on('onGetPeers',function(addr) {
GETPEERS[addr]=(++GETPEERS[addr])||1;
if (GETPEERS[addr]>TOO_MANY) {
var ip=addr.split(':')[0];
if (!blocked.contains(ip)) {
console.log('------- too many getpeers suspicious address '+addr,true);
addspy(addr,LEVEL_2);
};
};
});
};
var increment_knownspies=function(ip) {
if (knownspies.indexOf(ip)===-1) {
knownspies.push(ip);
};
//console.log('already known spy '+ip+' - total of known spies encountered :'+knownspies.length+' of '+Arrayblocklist.length,true);
};
var onpeer=function(addr,hash,_addr,id,version) {
if (_addr) {
var ip=_addr.split(':')[0];
if (!blocked_1.contains(ip)) {
//console.log('potential new spy level 1 '+_addr,true);
//addtestspy(_addr,spy_level1);
addspy(_addr,LEVEL_1,id,version);
};
};
if (swarm) {
//console.log('potential new spy level 2 '+addr+' sent by '+_addr+' for swarm '+swarm.infoHash.toString('hex'),true);
ip=addr.split(':')[0];
test_connect.call(addr);
if (blocked.contains(ip)) {
increment_knownspies(ip)
};
};
};
var onnode=function(addr,nodeId) {
var pre=prefix(nodeId.toString('hex'),fakeinfohash);
if ((pre>=PREF_MIN)&&(pre<=PREF_MAX)) {
CLOSEST[addr]=nodeId;
};
};
var createDHT=function(finfohash,opts,bool) {
var table=dht(opts);
var nodeId=table.nodeId.toString('hex');
table.on('peer',onpeer);
table.on('node',onnode);
table.on('listening',function(port) {
//console.log('listening on port '+port,true);
});
table.on('ready',function() {
//if (!mille) {
//console.log('dht ready - starting lookup for infohash '+finfohash+'...',true);
//};
table.lookup(finfohash);
setTimeout(function() {
if (queue.length) {
queue.shift()();
};
},PROC_QUEUE);
});
if (mille) {
table.on('onAnnounce',function(addr,info,port) {
var ip=addr.split(':')[0];
if (info.length<40) {
console.log('------------------------ strange announce '+info+' from '+addr);
};
if (prefixmille.length>2) {
console.log('received announce from '+addr+' for '+info,true);
};
if (blocked_1.contains(ip)) {
var disc=blocklist1[ip];
//console.log('------------------------ got announce from level 1 spy '+addr+' for infohash '+info+' on port '+port+' discovered with (port:prefix)'+disc,true);
disc=disc.split(':');
if (disc.length===2) {
console.log('------------------------ got announce from level 1 spy '+addr+' for infohash '+info+' on port '+port+' discovered with (port:prefix)'+disc[0]+':'+disc[1],true);
//if (prefixmille.length>2) {
testpeerlevel1(ip+':'+disc[0],disc[1],info,table,port);
//};
};
};
if (prefixmille.length>2) {
if (!ANNOUNCERS[addr]) {
ANNOUNCERS[addr]=info;
};
};
});
};
table.on('closest',function() {
closest=table.closest_from_infohash;
if ((closest.length)&&(!ini_dht)) {
//console.log('dht closest: '+closest.length,true);
ini_dht=table;
};
var reinit=function(bool) { //TODO send get_peers to the closest and check that spies are tested with the correct infohash while changing the swarm infohash.
if ((table!==ini_dht)||findspiesonly) {
//console.log('destroying table for infohash '+finfohash+' with nodeId '+nodeId,true)
table.destroy();
table=null;
if (mille) {
if (prefixmille.length<=2) {
//console.log('prev infohash '+finfohash+' '+prefixmille);
finfohash=nextinf(finfohash,parseInt(prefixmille));
//console.log('next infohash '+finfohash);
} else {
var m=Math.pow(2,12);
var rest=hat(160-prefixmille.length*4*2).toString('hex');
if (disthex!==m-1) {
disthex++;
} else {
disthex=0;
};
var diststr=disthex.toString(16);
while (diststr.length!==3) {
diststr='0'+diststr;
};
finfohash=prefixmille+diststr+rest;
};
swarm.infoHash=new Buffer(finfohash,'hex');
};
};
delete opts.nodeId;
if (queue.length) {
queue.shift()();
queue.push(function() {
createDHT(finfohash,opts,bool);
});
} else {
createDHT(finfohash,opts,bool);
};
};
if (!bool) {
reinit();
} else {
var tmp=[];
var dqueue=[];
var dnext=function() {
if (dqueue.length) {
dqueue.shift()();
} else {
table.closest_from_infohash=tmp;
setTimeout(function() {start_torrent(Arrayblocklist)},START);
};