From 81c04315ee022a044c8d22ae7a9bbe065e21f2df Mon Sep 17 00:00:00 2001
From: Connor Thomson <blumatrikz@gmail.com>
Date: Sun, 20 Sep 2026 18:59:16 -0700
Subject: Add signin

---
 signin/signin.php | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100755 signin/signin.php

(limited to 'signin/signin.php')

diff --git a/signin/signin.php b/signin/signin.php
new file mode 100755
index 0000000..6e88336
--- /dev/null
+++ b/signin/signin.php
@@ -0,0 +1,57 @@
+<?php
+/*
+ *  GNUfault.org - GNUfault's website
+ *  Copyright (C) 2026  Connor Thomson
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+define('ROOT', rtrim($_SERVER['DOCUMENT_ROOT'], '/') . '/');
+
+require_once ROOT . '/php/session.php';
+require_once ROOT . '/php/database.php';
+
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    $username = $_POST['username'];
+    $password = $_POST['password'];
+    $remember = isset($_POST['remember']);
+
+    try {
+        $sql = "SELECT id, username, password, verification_code FROM users WHERE username = :username";
+
+        $user = fetch_row($sql, ['username' => $username]);
+    } catch (\PDOException $e) {
+        echo "Error: " . $e->getMessage();
+        exit;
+    }
+
+    // The same message either way, so it does not say which usernames exist
+    if (!$user || !password_verify($password, $user['password'])) {
+        echo "Username or password is not correct!";
+        exit;
+    }
+
+    if ($user['verification_code'] != '0001') {
+        set_user_id((int)$user['id']);
+
+        header("Location: /signup/verify");
+        exit;
+    }
+
+    sign_in((int)$user['id'], $user['username'], $remember);
+
+    header("Location: /");
+}
+
+?>
-- 
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