mirror of
https://github.com/Relintai/rcpp_framework.git
synced 2024-11-14 04:57:21 +01:00
147 lines
3.4 KiB
C++
147 lines
3.4 KiB
C++
#include "application.h"
|
|
|
|
#include <functional>
|
|
#include <string>
|
|
|
|
#include "request.h"
|
|
|
|
#include "file_cache.h"
|
|
|
|
#include <iostream>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
void Application::load_settings() {
|
|
}
|
|
|
|
void Application::setup_routes() {
|
|
default_error_handler_func = Application::default_fallback_error_handler;
|
|
|
|
error_handler_map[404] = Application::default_404_error_handler;
|
|
}
|
|
|
|
void Application::setup_middleware() {
|
|
middlewares.push_back(HandlerInstance(Application::default_routing_middleware));
|
|
}
|
|
|
|
void Application::default_routing_middleware(Object *instance, Request *request) {
|
|
std::string path = request->http_parser->getPath();
|
|
|
|
if (FileCache::get_singleton()->wwwroot_has_file(path)) {
|
|
send_file(path, request);
|
|
|
|
return;
|
|
}
|
|
|
|
HandlerInstance handler_data;
|
|
|
|
//std::function<void(Object *, Request *)> func;
|
|
|
|
//if (path == "/") {
|
|
if (request->get_path_segment_count() == 0) {
|
|
//quick shortcut
|
|
handler_data = index_func;
|
|
} else {
|
|
const std::string main_route = request->get_current_path_segment();
|
|
|
|
handler_data = main_route_map[main_route];
|
|
|
|
request->push_path();
|
|
}
|
|
|
|
if (!handler_data.handler_func) {
|
|
send_error(404, request);
|
|
|
|
return;
|
|
}
|
|
|
|
request->handler_instance = handler_data;
|
|
request->next_stage();
|
|
}
|
|
|
|
void Application::default_fallback_error_handler(int error_code, Request *request) {
|
|
request->response->setBody(default_generic_error_body);
|
|
request->send();
|
|
}
|
|
|
|
void Application::default_404_error_handler(int error_code, Request *request) {
|
|
request->response->setBody(default_error_404_body);
|
|
request->send();
|
|
}
|
|
|
|
void Application::handle_request(Request *request) {
|
|
request->middleware_stack = &middlewares;
|
|
|
|
//note that middlewares handle the routing -> Application::default_routing_middleware by default
|
|
request->next_stage();
|
|
}
|
|
|
|
void Application::send_error(int error_code, Request *request) {
|
|
std::function<void(int, Request *)> func = error_handler_map[error_code];
|
|
|
|
if (!func) {
|
|
default_error_handler_func(error_code, request);
|
|
return;
|
|
}
|
|
|
|
func(error_code, request);
|
|
}
|
|
|
|
void Application::send_file(const std::string &path, Request *request) {
|
|
std::string fp = FileCache::get_singleton()->wwwroot + path;
|
|
|
|
FILE *f = fopen(fp.c_str(), "rb");
|
|
|
|
if (!f) {
|
|
printf("Error: Registered file doesn't exists anymore! %s\n", path.c_str());
|
|
|
|
send_error(404, request);
|
|
return;
|
|
}
|
|
|
|
fseek(f, 0, SEEK_END);
|
|
long fsize = ftell(f);
|
|
fseek(f, 0, SEEK_SET); /* same as rewind(f); */
|
|
|
|
std::string body;
|
|
body.resize(fsize);
|
|
|
|
fread(&body[0], 1, fsize, f);
|
|
fclose(f);
|
|
|
|
//TODO set mimetype?
|
|
|
|
request->response->setBody(body);
|
|
request->send();
|
|
}
|
|
|
|
void Application::migrate() {
|
|
}
|
|
|
|
Application::Application() {
|
|
_instance = this;
|
|
}
|
|
|
|
Application::~Application() {
|
|
main_route_map.clear();
|
|
error_handler_map.clear();
|
|
middlewares.clear();
|
|
}
|
|
|
|
Application *Application::get_instance() {
|
|
return _instance;
|
|
}
|
|
|
|
HandlerInstance Application::index_func;
|
|
std::map<std::string, HandlerInstance> Application::main_route_map;
|
|
std::vector<HandlerInstance> Application::middlewares;
|
|
|
|
std::map<int, std::function<void(int, Request *)> > Application::error_handler_map;
|
|
std::function<void(int, Request *)> Application::default_error_handler_func = nullptr;
|
|
|
|
Application *Application::_instance = nullptr;
|
|
|
|
std::string Application::default_error_404_body = "<html><body>404 :(</body></html>";
|
|
std::string Application::default_generic_error_body = "<html><body>Internal server error! :(</body></html>";
|