Add send chatroom message endpoint

database/sendChatroomMessage.php

@@ -0,0 +1,35 @@
+<?php
+require __DIR__ . '/../incl/util.php';
+setPlainHeader();
+checkClientDatabaseVersion();
+
+$post = getPostData();
+$request_content = $post['content'] ?? '';
+$token = $post['token'] ??  null;
+
+if (!preg_match('/^[ a-zA-Z0-9!@#\$%\^&\*\(\)_\+\-=\[\]\{\};\':",\.<>\/\?\\\\|`~]+$/', $request_content)) {
+    exitWithMessage(json_encode(["success" => false, "message" => "Invalid content recieved"]));
+}
+
+$conn = newConnection();
+
+$stmt = $conn->prepare("SELECT * FROM users WHERE token = ?");
+$stmt->bind_param("s", $token);
+$stmt->execute();
+$result = $stmt->get_result();
+$row = $result->fetch_assoc();
+if (!$row) exitWithMessage(json_encode(["success" => false, "message" => "Invalid session token or username, please refresh login"]));
+$stmt->close();
+
+$id = $row["id"];
+$content = base64_encode($request_content);
+$time = time();
+
+$stmt = $conn->prepare("INSERT INTO chats (userId, content, timestamp) VALUES (?, ?, ?)");
+$stmt->bind_param("isi", $id, $content, $time);
+$stmt->execute();
+$stmt->close();
+
+echo encrypt(json_encode(["success" => true]));
+
+$conn->close();