From 9ed583ecdbdb8aa1fda47877efb1eee8bab85e06 Mon Sep 17 00:00:00 2001
From: counterweight <counterweightoperator@protonmail.com>
Date: Tue, 11 Feb 2025 18:15:06 +0100
Subject: [PATCH] nostr challenge creation works

---
 src/models/NostrChallengeCreated.js | 23 ++++++++++++++
 src/public/javascript/index.js      | 49 ++++++++++++++++++++++++++++-
 src/routes/apiRoutes.js             |  9 ++++++
 src/services/nostrService.js        | 15 +++++++++
 src/views/index.ejs                 | 21 +++++--------
 5 files changed, 103 insertions(+), 14 deletions(-)
 create mode 100644 src/models/NostrChallengeCreated.js
 create mode 100644 src/services/nostrService.js

diff --git a/src/models/NostrChallengeCreated.js b/src/models/NostrChallengeCreated.js
new file mode 100644
index 0000000..b6571f3
--- /dev/null
+++ b/src/models/NostrChallengeCreated.js
@@ -0,0 +1,23 @@
+const { DataTypes } = require('sequelize');
+const sequelize = require('../database');
+
+const NostrChallengeCreated = sequelize.define('NostrChallengeCreated', {
+    uuid: {
+        type: DataTypes.UUID,
+        allowNull: false,
+        unique: true,
+        primaryKey: true
+    },
+    challenge: {
+        type: DataTypes.STRING,
+        allowNull: false
+    },
+    created_at: {
+        type: DataTypes.DATE,
+        allowNull: false
+    }
+}, {
+    tableName: 'nostr_challenge_created'
+});
+
+module.exports = NostrChallengeCreated;
\ No newline at end of file
diff --git a/src/public/javascript/index.js b/src/public/javascript/index.js
index 46188d3..5bd4670 100644
--- a/src/public/javascript/index.js
+++ b/src/public/javascript/index.js
@@ -1,3 +1,50 @@
+async function login() {
+    if (!window.nostr) {
+        console.log("No Nostr extension found.");
+        return { success: false, error: "No Nostr extension detected." };
+    }
+
+    try {
+        const challengeResponse = await fetch("/api/nostr-challenge");
+        if (!challengeResponse.ok) throw new Error("Failed to fetch challenge");
+        const { challenge } = await challengeResponse.json();
+
+        console.log(`Received challenge: ${challenge}`);
+    } catch (error) { }
+    /*     const pubkey = await window.nostr.getPublicKey();
+
+        const event = {
+            kind: 22242,
+            created_at: Math.floor(Date.now() / 1000),
+            tags: [["challenge", challenge]],
+            content: "Sign this challenge to authenticate",
+            pubkey: pubkey
+        };
+
+        const signedEvent = await window.nostr.signEvent(event);
+
+        const verifyResponse = await fetch("/api/nostr-verify", {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify(signedEvent),
+        });
+
+        if (!verifyResponse.ok) throw new Error("Verification failed");
+        const verifyResult = await verifyResponse.json();
+
+        if (verifyResult.success) {
+            console.log("Authentication successful!");
+            return { success: true, pubkey };
+        } else {
+            throw new Error("Invalid signature");
+        }
+    } catch (error) {
+        console.error("Error during Nostr authentication:", error.message);
+        return { success: false, error: error.message };
+    } */
+}
+
+/* 
 window.onload = function () {
     setTimeout(function () {
         console.log("This code runs 2 seconds after the window has loaded.");
@@ -35,4 +82,4 @@ window.onload = function () {
 
         )
     }, 2000);
-}
\ No newline at end of file
+} */
\ No newline at end of file
diff --git a/src/routes/apiRoutes.js b/src/routes/apiRoutes.js
index 55a3e01..a87a45a 100644
--- a/src/routes/apiRoutes.js
+++ b/src/routes/apiRoutes.js
@@ -1,8 +1,11 @@
 const express = require('express');
+//const { generatePrivateKey, getPublicKey, verifySignature } = require("nostr-tools");
+const crypto = require("crypto");
 
 const appInviteService = require('../services/appInviteService');
 const invitedNpubService = require('../services/invitedNpubService');
 const sessionService = require('../services/sessionService');
+const nostrService = require('../services/nostrService');
 
 const router = express.Router();
 
@@ -55,4 +58,10 @@ router.post('/invited-npub', async (req, res) => {
 
 });
 
+
+router.get('/nostr-challenge', async (req, res) => {
+    const nostrChallenge = await nostrService.createNostrChallenge();
+    res.json({ 'challenge': nostrChallenge.challenge });
+});
+
 module.exports = router;
diff --git a/src/services/nostrService.js b/src/services/nostrService.js
new file mode 100644
index 0000000..110027d
--- /dev/null
+++ b/src/services/nostrService.js
@@ -0,0 +1,15 @@
+const uuid = require("uuid");
+const crypto = require("crypto");
+
+const NostrChallengeCreated = require('../models/NostrChallengeCreated');
+
+async function createNostrChallenge() {
+    const nostrChallenge = await NostrChallengeCreated.create({
+        'uuid': uuid.v7(),
+        challenge: crypto.randomBytes(32).toString("hex"),
+        created_at: new Date().toISOString()
+    });
+    return nostrChallenge;
+}
+
+exports.createNostrChallenge = createNostrChallenge;
\ No newline at end of file
diff --git a/src/views/index.ejs b/src/views/index.ejs
index 7cbfaff..da6e956 100644
--- a/src/views/index.ejs
+++ b/src/views/index.ejs
@@ -9,20 +9,15 @@
 </head>
 
 <body>
-    <h1>Hello World! We're live</h1>
-    <p>Now this is some production grade stuff, baby!</p>
-    <p>Your session's UUID: <%= uuid %>
+    <h1>Bienvenido a la seca</h1>
+    <p>Usa Nostr para logearte</p>
+    <form onsubmit="login();return false">
+        <button type="submit">Login con extensión de Nostr</button>
+    </form>
+    <p>
+        ¿No tienes cuenta de Nostr? <a href="https://start.njump.me/" target="_blank" rel="noopener noreferrer">Crea una
+            gratis</a>.
     </p>
-    <p id="pubkey-p" style="display:none">And your pubkey is: <span id="pubkey-span"></span></p>
-    <hr>
-    <p>Here's a kitty, cause why not</p>
-    <img width="300px" src="kitty.jpeg" alt="">
 </body>
 
-<script>
-
-
-
-</script>
-
 </html>
\ No newline at end of file