Move files

webroot/api/changeUsername.php

@@ -0,0 +1,60 @@
+<?php
+require '../config/config.php';
+require '../incl/main.php';
+
+$old_username = isset($_POST['oldusername']) ? $_POST['oldusername'] : '';
+$new_username = isset($_POST['newusername']) ? $_POST['newusername'] : '';
+$password = isset($_POST['password']) ? $_POST['password'] : '';
+
+if (empty($old_username) || empty($new_username) || empty($password)) {
+    http_response_code(400);
+    header('Content-Type: application/json');
+    die(json_encode(['success' => 'false', 'response' => 'Missing Old Username, New Username, or Password']));
+}
+
+if (strlen($new_username) < 3 || strlen($new_username) > 32) {
+    http_response_code(400);
+    header('Content-Type: application/json');
+    die(json_encode(['success' => 'false', 'response' => 'New Username must be between 3 and 32 characters']));
+}
+
+$conn = new mysqli($dbservername, $dbusername, $dbpassword, $dbname);
+
+if ($conn->connect_error) {
+    http_response_code(500);
+    header('Content-Type: application/json');
+    die(json_encode(['success' => 'false', 'response' => 'Unable to access database']));
+}
+
+$stmt = $conn->prepare("SELECT password FROM users WHERE username = ?");
+$stmt->bind_param("s", $old_username);
+
+$stmt->execute();
+
+$result = $stmt->get_result();
+
+if ($result->num_rows > 0) {
+    $user = $result->fetch_assoc();
+
+    if (!password_verify($password, $user['password'])) {
+        http_response_code(400);
+        header('Content-Type: application/json');
+        die(json_encode(['success' => 'false', 'response' => 'Password is incorrect']));
+    }
+
+    $stmt = $conn->prepare("UPDATE users SET username = ? WHERE username = ?");
+    $stmt->bind_param("ss", $new_username, $old_username);
+    $stmt->execute();
+
+    http_response_code(200);
+    header('Content-Type: application/json');
+    echo json_encode(['success' => 'true', 'response' => 'Username changed successfully']);
+} else {
+    http_response_code(404);
+    header('Content-Type: application/json');
+    die(json_encode(['success' => 'false', 'response' => 'User not found']));
+}
+
+$stmt->close();
+$conn->close();
+?>