Стандартизация req объекта

CMakeLists.txt

@@ -22,5 +22,6 @@ add_executable(application src/main.cpp
                            src/Session.cpp
                            src/Listener.h
                            src/Listener.cpp
+                           src/RequestHandlers/BasicRequestHandler.cpp
                            src/RequestHandlers/BasicRequestHandler.h)
 target_link_libraries(application PRIVATE Threads::Threads)

src/RequestHandlers/BasicRequestHandler.cpp

@@ -0,0 +1,96 @@
+#include "BasicRequestHandler.h"
+
+#include <iostream>
+
+namespace uad
+{
+namespace beast = boost::beast;
+namespace http = beast::http;
+namespace net = boost::asio;
+
+http::message_generator HandleRequest(
+  beast::string_view doc_root,
+  http::request<http::string_body>&& req)
+{
+  auto const bad_request =
+    [&req](beast::string_view why)
+    {
+      http::response<http::string_body> res {http::status::bad_request, req.version()};
+      res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+      res.set(http::field::content_type, "text/html");
+      res.keep_alive(req.keep_alive());
+      res.body() = std::string(why);
+      res.prepare_payload();
+      return res;
+    };
+
+  auto const not_found =
+    [&req](beast::string_view target)
+    {
+      http::response<http::string_body> res {http::status::not_found, req.version()};
+      res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+      res.set(http::field::content_type, "text/html");
+      res.keep_alive(req.keep_alive());
+      res.body() = "The resource '" + std::string(target) + "' was not found.";
+      res.prepare_payload();
+      return res;
+    };
+
+  auto const server_error =
+    [&req](beast::string_view what)
+    {
+      http::response<http::string_body> res {http::status::internal_server_error, req.version()};
+      res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+      res.set(http::field::content_type, "text/html");
+      res.keep_alive(req.keep_alive());
+      res.body() = "An error occurred: '" + std::string(what) + "'";
+      res.prepare_payload();
+      return res;
+    };
+
+  if (req.method() != http::verb::get &&
+    req.method() != http::verb::head)
+    return bad_request("Unknown HTTP-method");
+
+  if (req.target().empty() ||
+    req.target()[0] != '/' ||
+    req.target().find("..") != beast::string_view::npos)
+    return bad_request("Illegal request-target");
+
+  std::string path = PathCat(doc_root, req.target());
+  if (req.target().back() == '/')
+    path.append("index.html");
+
+  beast::error_code ec;
+  http::file_body::value_type body;
+  body.open(path.c_str(), beast::file_mode::scan, ec);
+
+  if (ec == beast::errc::no_such_file_or_directory)
+    return not_found(req.target());
+
+  if (ec)
+    return server_error(ec.message());
+
+  auto const size = body.size();
+
+  if (req.method() == http::verb::head)
+  {
+    http::response<http::empty_body> res {http::status::ok, req.version()};
+    res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+    res.set(http::field::content_type, MimeType(path));
+    res.content_length(size);
+    res.keep_alive(req.keep_alive());
+    return res;
+  }
+
+  http::response<http::file_body> res {
+    std::piecewise_construct,
+    std::make_tuple(std::move(body)),
+    std::make_tuple(http::status::ok, req.version())};
+  res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+  res.set(http::field::content_type, MimeType(path));
+  res.content_length(size);
+  res.keep_alive(req.keep_alive());
+  return res;
+}
+}

src/RequestHandlers/BasicRequestHandler.h

@@ -14,6 +14,7 @@
 #include <string>
 #include <thread>
 #include <vector>
+#include <type_traits>
 
 #include "./../helpers.h"
 
@@ -23,90 +24,7 @@ namespace beast = boost::beast;
 namespace http = beast::http;
 namespace net = boost::asio;
 
-template<class Body, class Allocator>
 http::message_generator HandleRequest(
   beast::string_view doc_root,
-  http::request<Body, http::basic_fields<Allocator>>&& req)
-{
-  auto const bad_request =
-    [&req](beast::string_view why)
-    {
-      http::response<http::string_body> res {http::status::bad_request, req.version()};
-      res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
-      res.set(http::field::content_type, "text/html");
-      res.keep_alive(req.keep_alive());
-      res.body() = std::string(why);
-      res.prepare_payload();
-      return res;
-    };
-
-  auto const not_found =
-    [&req](beast::string_view target)
-    {
-      http::response<http::string_body> res {http::status::not_found, req.version()};
-      res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
-      res.set(http::field::content_type, "text/html");
-      res.keep_alive(req.keep_alive());
-      res.body() = "The resource '" + std::string(target) + "' was not found.";
-      res.prepare_payload();
-      return res;
-    };
-
-  auto const server_error =
-    [&req](beast::string_view what)
-    {
-      http::response<http::string_body> res {http::status::internal_server_error, req.version()};
-      res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
-      res.set(http::field::content_type, "text/html");
-      res.keep_alive(req.keep_alive());
-      res.body() = "An error occurred: '" + std::string(what) + "'";
-      res.prepare_payload();
-      return res;
-    };
-
-  if (req.method() != http::verb::get &&
-    req.method() != http::verb::head)
-    return bad_request("Unknown HTTP-method");
-
-  if (req.target().empty() ||
-    req.target()[0] != '/' ||
-    req.target().find("..") != beast::string_view::npos)
-    return bad_request("Illegal request-target");
-
-  std::string path = PathCat(doc_root, req.target());
-  if (req.target().back() == '/')
-    path.append("index.html");
-
-  beast::error_code ec;
-  http::file_body::value_type body;
-  body.open(path.c_str(), beast::file_mode::scan, ec);
-
-  if (ec == beast::errc::no_such_file_or_directory)
-    return not_found(req.target());
-
-  if (ec)
-    return server_error(ec.message());
-
-  auto const size = body.size();
-
-  if (req.method() == http::verb::head)
-  {
-    http::response<http::empty_body> res {http::status::ok, req.version()};
-    res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
-    res.set(http::field::content_type, MimeType(path));
-    res.content_length(size);
-    res.keep_alive(req.keep_alive());
-    return res;
-  }
-
-  http::response<http::file_body> res {
-    std::piecewise_construct,
-    std::make_tuple(std::move(body)),
-    std::make_tuple(http::status::ok, req.version())};
-  res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
-  res.set(http::field::content_type, MimeType(path));
-  res.content_length(size);
-  res.keep_alive(req.keep_alive());
-  return res;
-}
+  http::request<http::string_body>&& req);
 }