layout source from main

src/util/http_util.cpp

@@ -0,0 +1,41 @@
+#include "util/http_util.hpp"
+
+#include "util/string_util.hpp"
+
+namespace lm {
+
+std::string HttpUtil::contentTypeForPath(const std::filesystem::path& p)
+{
+  const auto ext = StringUtil::toLower(p.extension().string());
+  if (ext == ".html")
+    return "text/html; charset=utf-8";
+  if (ext == ".css")
+    return "text/css; charset=utf-8";
+  if (ext == ".js")
+    return "application/javascript; charset=utf-8";
+  if (ext == ".json")
+    return "application/json; charset=utf-8";
+  if (ext == ".png")
+    return "image/png";
+  if (ext == ".svg")
+    return "image/svg+xml";
+  if (ext == ".ico")
+    return "image/x-icon";
+  return "application/octet-stream";
+}
+
+void HttpUtil::jsonError(httplib::Response& res, int status, const std::string& msg)
+{
+  res.status = status;
+  res.set_header("Content-Type", "application/json; charset=utf-8");
+  res.body = nlohmann::json({{"error", msg}}).dump();
+}
+
+void HttpUtil::addCors(httplib::Response& res)
+{
+  res.set_header("Access-Control-Allow-Origin", "*");
+  res.set_header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
+  res.set_header("Access-Control-Allow-Headers", "Content-Type");
+}
+
+}  // namespace lm