From bf895d03c3675184bde86a75972c5d59b22cc958 Mon Sep 17 00:00:00 2001
From: Abhishek Sinha <avishkarabhishek786@gmail.com>
Date: Tue, 28 Aug 2018 21:11:47 +0530
Subject: [PATCH] added script to find peers

---
 bit.js                  | 25 +++++++++++++++++++++++
 package.json            |  2 ++
 routes.js               | 41 +++++++++++++++++++++++++++++++++++++
 views/from_flo.ejs      |  4 +---
 views/index.ejs         |  1 +
 views/seed.ejs          | 12 ++++++-----
 views/trackers-list.ejs | 45 +++++++++++++++++++++++++++++++++++++++++
 7 files changed, 122 insertions(+), 8 deletions(-)
 create mode 100644 bit.js
 create mode 100644 views/trackers-list.ejs

diff --git a/bit.js b/bit.js
new file mode 100644
index 0000000..7293936
--- /dev/null
+++ b/bit.js
@@ -0,0 +1,25 @@
+var Tracker = require('bittorrent-tracker')
+var magnet = require('magnet-uri')
+
+var magnetURI = "magnet:?xt=urn:btih:08122dc39c46fab0221aa24e93f2825e3f9efe61&dn=%5BAndreas_M._Antonopoulos%5D_Mastering_Bitcoin_Progr(b-ok.org).pdf&tr=udp%3A%2F%2Fexplodie.org%3A6969&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Ftracker.empire-js.us%3A1337&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337&tr=wss%3A%2F%2Ftracker.btorrent.xyz&tr=wss%3A%2F%2Ftracker.fastcast.nz&tr=wss%3A%2F%2Ftracker.openwebtorrent.com"
+
+var parsedTorrent = magnet(magnetURI)
+//console.log(parsedTorrent);
+
+
+var opts = {
+  infoHash: parsedTorrent.infoHash,
+  announce: parsedTorrent.announce,
+  peerId: new Buffer('2d5757303030322d773974324137436b54727a30'), // hex string or Buffer
+  port: 6881 // torrent client port
+}
+
+
+var client = new Tracker(opts)
+
+client.scrape()
+
+client.on('scrape', function (data) {
+  console.log(data)
+})
+
diff --git a/package.json b/package.json
index 1ede88e..ab2a9c1 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "main": "index.js",
   "dependencies": {
     "bitcoin-core": "^2.0.0",
+    "bittorrent-tracker": "^9.10.1",
     "body-parser": "^1.18.3",
     "bootstrap": "^4.1.3",
     "browserify": "^16.2.2",
@@ -19,6 +20,7 @@
     "jquery": "^3.3.1",
     "jquery-ui": "^1.12.1",
     "lodash": "^4.17.10",
+    "magnet-uri": "^5.2.3",
     "npm": "^6.3.0",
     "popper.js": "^1.14.4",
     "watchify": "^3.11.0",
diff --git a/routes.js b/routes.js
index ba8a137..8fb2b0b 100644
--- a/routes.js
+++ b/routes.js
@@ -11,6 +11,9 @@ const funcs = require('./public/js/funcs')
 var path = require('path')
 var fs = require('fs');
 
+var Tracker = require('bittorrent-tracker')
+var magnet = require('magnet-uri')
+
 //const JSON = require('circular-json');
 
 router.get('/', (req, res)=>{
@@ -248,4 +251,42 @@ router.post('/fetch-from-blockchain', [
 
 })
 
+router.get('/trackers-list', (req, res)=>{
+    res.render('trackers-list', {
+        data: {},
+        errors: {},
+        title: 'Trackers List'
+    })
+})
+
+router.post('/trackers-list', (req, res)=>{
+    let params = _.pick(req.body, ['job', 'mag_url', 'pid'])
+    if (params.job!=="track list") {
+        return;
+    }
+
+    let magnetURI = params.mag_url
+    let peer_id = params.pid
+
+    var parsedTorrent = magnet(magnetURI)
+
+    var opts = {
+        infoHash: parsedTorrent.infoHash,
+        announce: parsedTorrent.announce,
+        peerId: new Buffer(peer_id), // hex string or Buffer
+        port: 6881 // torrent client port
+    }
+
+    var client = new Tracker(opts)
+
+    client.scrape()
+
+    client.on('scrape', function (data) {
+        console.log("1")
+        res.write(JSON.stringify(data))      
+    })
+    //res.end()
+
+})
+
 module.exports = router
\ No newline at end of file
diff --git a/views/from_flo.ejs b/views/from_flo.ejs
index 9ea791a..6420658 100644
--- a/views/from_flo.ejs
+++ b/views/from_flo.ejs
@@ -1,7 +1,7 @@
 <%include partials/header.ejs %>
 
 <div class="container">
-
+    <!-- duckdns-> oVrbkDUrX727MjQd4zq7nRw1XEHkkpGErE -->
     <label for="flo-addr">Enter the flo address (oSjBiuTE1aFNBjaSGq6UNhU9ddpD2YXdg8)</label>
     <input type="text" id="flo-addr" class="form-control" />
 
@@ -24,8 +24,6 @@
 <%include partials/footer.ejs %>
 
 <script>
-
-
     $(document).on('click', '#flo-addr-btn', function() {
         var floaddr = $("#flo-addr").val();
         if (floaddr.length<1) {
diff --git a/views/index.ejs b/views/index.ejs
index e1806da..d71378f 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -7,6 +7,7 @@
         <li><a href="/download-magnetic-uri">Download Torrent from Magnetic URL</a></li>
         <li><a href="/send-to-blockchain">Send Magnetic URL to FLO Blockchain</a></li>
         <li><a href="/fetch-from-blockchain">Download torrent from FLO Blockchain</a></li>
+        <li><a href="/trackers-list">List of trackers</a></li>
     </ul>
 </div>
 
diff --git a/views/seed.ejs b/views/seed.ejs
index 52f0a9e..c6e99ed 100644
--- a/views/seed.ejs
+++ b/views/seed.ejs
@@ -40,15 +40,17 @@ let seeding = () => {
     
             t += `<p>Name: ${torrent.name}</p>`;
             t += `<p>Path: ${torrent.path}</p>`;
+            t += `<p><strong>peerId: ${torrent.client.peerId}</strong></p>`;
+            t += `<p><strong>infoHash: ${torrent.infoHash}</strong></p>`;
             var hexdata = torrent.torrentFile.toString('hex');
             t += `<p>Torrent: ${hexdata}</p>`;
             t += `<p></p>`;
     
-            t += `<h5>Files hash</h5>`;
-            for (let h = 0; h < torrent._hashes.length; h++) {
-                const hash = torrent._hashes[h];
-                t += `<p>${hash}</p>`;
-            }
+            // t += `<h5>Files hash</h5>`;
+            // for (let h = 0; h < torrent._hashes.length; h++) {
+            //     const hash = torrent._hashes[h];
+            //     t += `<p>${hash}</p>`;
+            // }
     
             t += `<h5>Peers</h5>`;
             for (let p = 0; p < torrent._peers.length; p++) {
diff --git a/views/trackers-list.ejs b/views/trackers-list.ejs
new file mode 100644
index 0000000..1161159
--- /dev/null
+++ b/views/trackers-list.ejs
@@ -0,0 +1,45 @@
+<%include partials/header.ejs %>
+
+<div class="container">
+    <h1>Get list of trackers</h1>
+
+    <label for="pid">Peer Id:</label>
+    <input type="text" class="form-control" id="pid">
+
+    <label for="mag_url">Provide a valid magnetic url:</label>
+    <textarea id="mag_url" cols="30" rows="10" class="form-control"></textarea>
+
+    <button type="submit" id="btn-tk" class="btn btn-primary">Hit</button>
+
+    <div id="tl-res" style="padding: 5rem 5rem"></div>
+</div>
+
+<%include partials/footer.ejs %>
+
+<script>
+    $(document).on("click", "#btn-tk", function() {
+        var mag_url = $("#mag_url").val();
+        var job = "track list";
+        var pid = $("#pid").val();
+
+        $("#tl-res").text("Getting information from the server...it can takes few minutes.");
+
+        $.ajax({
+            url:'/trackers-list',
+            type:'post',
+            data:{job:job, mag_url:mag_url, pid:pid},
+            success: function(data) {
+                console.log(data);
+                if (data.length>0) {    
+                    $("#tl-res").text(data);
+                }
+            }, 
+            error: function(e) {
+                console.error(e);
+            }
+
+        })
+
+        
+    })
+</script>
\ No newline at end of file