From ba96de2c59bfd02971c38d07eeba1a6feb9487c8 Mon Sep 17 00:00:00 2001
From: Brendan <94894839+abrendan@users.noreply.github.com>
Date: Wed, 2 Oct 2024 10:45:38 +0000
Subject: [PATCH] Added reverse domain lookup by IP

---
 index.js          | 14 +++++++++++++-
 public/index.html | 32 +++++++++++++++++++++++++++++++-
 2 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/index.js b/index.js
index f85f937..6beb037 100644
--- a/index.js
+++ b/index.js
@@ -25,6 +25,18 @@ app.post('/reverseLookup', async (req, res) => {
     }
 });
 
+// Endpoint for performing reverse domain lookup by IP
+app.post('/reverseLookupByIP', async (req, res) => {
+    try {
+        const { ip } = req.body;
+        const reverseResult = await dns.reverse(ip);
+        res.json({ success: true, ip, reverseResult });
+    } catch (error) {
+        console.error(error);
+        res.status(500).json({ success: false, message: 'Reverse lookup failed', error: error.message });
+    }
+});
+
 app.post('/whoisLookup', (req, res) => {
     const { domain } = req.body;
     whois.lookup(domain, (err, data) => {
@@ -39,4 +51,4 @@ app.post('/whoisLookup', (req, res) => {
 
 app.listen(port, () => {
     console.log(`Server running at http://localhost:${port}`);
-});
+});
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
index 7b0472f..2571db9 100644
--- a/public/index.html
+++ b/public/index.html
@@ -7,15 +7,23 @@
 <body>
     <header>
         <h1>l00kup// - Domain Lookup Services</h1>
+        <a>by abrendan</a>
     </header>
     <div class="forms-container">
         <div class="form-box" id="reverseLookupFormContainer">
-            <h1>DNS Lookup</h1>
+            <h1>Domain Lookup</h1>
             <form id="reverseLookupForm">
                 <input type="text" id="reverseDomainInput" placeholder="Enter domain for DNS Lookup" required>
                 <button type="submit">Start</button>
             </form>
         </div>
+        <div class="form-box" id="reverseLookupByIPFormContainer">
+            <h1>Reverse Lookup by IP</h1>
+            <form id="reverseLookupByIPForm">
+                <input type="text" id="reverseIPInput" placeholder="Enter IP for Reverse Lookup" required>
+                <button type="submit">Start</button>
+            </form>
+        </div>
         <div class="form-box" id="whoisLookupFormContainer">
             <h1>WHOIS Lookup</h1>
             <form id="whoisLookupForm">
@@ -49,6 +57,28 @@
             });
         });
 
+        // Reverse Lookup by IP
+        document.getElementById('reverseLookupByIPForm').addEventListener('submit', function(e) {
+            e.preventDefault();
+            const ip = document.getElementById('reverseIPInput').value;
+            document.getElementById('output').innerHTML = ''; // Clear previous output
+
+            fetch('/reverseLookupByIP', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify({ ip }),
+            })
+            .then(response => response.json())
+            .then(data => {
+                document.getElementById('output').innerHTML = `<h2>Reverse Lookup by IP Result</h2><pre>${JSON.stringify(data, null, 2)}</pre>`;
+            })
+            .catch(error => {
+                console.error('Error:', error);
+            });
+        });
+
         // WHOIS Lookup
         document.getElementById('whoisLookupForm').addEventListener('submit', function(e) {
             e.preventDefault();
