Edit chatroom messages endpoint

database/editChatroomMessage.php

@@ -0,0 +1,32 @@
+<?php
+require __DIR__ . '/../incl/util.php';
+setPlainHeader();
+checkClientDatabaseVersion();
+
+$post = getPostData();
+$id = $post['id'] ?? '';
+$content = $post['content'] ?? '';
+$token = $post['token'] ?? '';
+$username = $post['username'] ?? '';
+
+if (!preg_match('/^[ a-zA-Z0-9!@#\$%\^&\*\(\)_\+\-=\[\]\{\};\':",\.<>\/\?\\\\|`~]+$/', $content)) exit;
+
+$conn = newConnection();
+
+$stmt = $conn->prepare("SELECT * FROM users WHERE token = ? AND username = ?");
+$stmt->bind_param("ss", $token, $username);
+$stmt->execute();
+$result = $stmt->get_result();
+$row = $result->fetch_assoc();
+if (!$row) exit;
+$stmt->close();
+
+$user_id = $row["id"];
+$content = base64_encode($content);
+
+$stmt = $conn->prepare("UPDATE chats SET content = ? WHERE userId = ? AND id = ?");
+$stmt->bind_param("sii", $content, $user_id, $id);
+$stmt->execute();
+$stmt->close();
+
+$conn->close();