2020-11-25 00:20:41 +01:00
|
|
|
#include "application.h"
|
|
|
|
|
|
|
|
|
|
#include <functional>
|
|
|
|
|
#include <string>
|
|
|
|
|
|
|
|
|
|
#include "request.h"
|
|
|
|
|
|
|
|
|
|
#include "file_cache.h"
|
|
|
|
|
|
|
|
|
|
#include <iostream>
|
|
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
|
|
|
|
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() {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Application::default_fallback_error_handler(int error_code, Request *request) {
|
|
|
|
|
std::string body = "<html>Internal server error! :(</html>";
|
|
|
|
|
request->response->setBody(body);
|
|
|
|
|
request->finalized = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Application::default_404_error_handler(int error_code, Request *request) {
|
|
|
|
|
std::string body = "<html>404 :(</html>";
|
|
|
|
|
request->response->setBody(body);
|
|
|
|
|
request->finalized = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Application::handle_request(Request *request) {
|
|
|
|
|
|
|
|
|
|
std::string path = request->http_parser->getPath();
|
|
|
|
|
|
2020-11-25 14:53:53 +01:00
|
|
|
if (FileCache::get_singleton()->wwwroot_has_file(path)) {
|
2020-11-25 00:20:41 +01:00
|
|
|
send_file(path, request);
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
std::function<void(Request *)> func;
|
|
|
|
|
|
|
|
|
|
if (path == "/") {
|
|
|
|
|
//quick shortcut
|
|
|
|
|
func = index_func;
|
|
|
|
|
} else {
|
|
|
|
|
std::string main_route = "";
|
|
|
|
|
|
|
|
|
|
uint32_t endpos = 1;
|
|
|
|
|
for (; endpos < path.size(); ++endpos) {
|
|
|
|
|
if (path[endpos] == '/') {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
main_route = path.substr(1, endpos - 1);
|
|
|
|
|
|
|
|
|
|
func = main_route_map[main_route];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!func) {
|
|
|
|
|
send_error(404, request);
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2020-11-25 21:00:22 +01:00
|
|
|
for (uint32_t i = 0; i < middlewares.size(); ++i) {
|
2020-11-25 00:20:41 +01:00
|
|
|
middlewares[i](request);
|
|
|
|
|
|
|
|
|
|
if (request->finalized)
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func(request);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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) {
|
2020-11-25 14:53:53 +01:00
|
|
|
std::string fp = FileCache::get_singleton()->wwwroot + path;
|
2020-11-25 21:00:22 +01:00
|
|
|
|
2020-11-25 00:20:41 +01:00
|
|
|
FILE *f = fopen(fp.c_str(), "rb");
|
2020-11-25 13:22:43 +01:00
|
|
|
|
|
|
|
|
if (!f) {
|
|
|
|
|
printf("Error: Registered file doesn't exists anymore! %s\n", path.c_str());
|
|
|
|
|
|
|
|
|
|
send_error(404, request);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2020-11-25 00:20:41 +01:00
|
|
|
fseek(f, 0, SEEK_END);
|
|
|
|
|
long fsize = ftell(f);
|
2020-11-25 21:00:22 +01:00
|
|
|
fseek(f, 0, SEEK_SET); /* same as rewind(f); */
|
2020-11-25 00:20:41 +01:00
|
|
|
|
|
|
|
|
std::string body;
|
|
|
|
|
body.resize(fsize);
|
|
|
|
|
|
|
|
|
|
fread(&body[0], 1, fsize, f);
|
|
|
|
|
fclose(f);
|
|
|
|
|
|
2020-11-25 13:22:43 +01:00
|
|
|
//TODO set mimetype?
|
|
|
|
|
|
2020-11-25 00:20:41 +01:00
|
|
|
request->response->setBody(body);
|
|
|
|
|
request->finalized = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Application::Application() {
|
|
|
|
|
_instance = this;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Application::~Application() {
|
|
|
|
|
main_route_map.clear();
|
|
|
|
|
error_handler_map.clear();
|
|
|
|
|
middlewares.clear();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Application *Application::get_instance() {
|
|
|
|
|
return _instance;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
std::function<void(Request *)> Application::index_func = nullptr;
|
|
|
|
|
std::map<std::string, std::function<void(Request *)> > Application::main_route_map;
|
|
|
|
|
std::map<int, std::function<void(int, Request *)> > Application::error_handler_map;
|
|
|
|
|
std::function<void(int, Request *)> Application::default_error_handler_func = nullptr;
|
|
|
|
|
std::vector<std::function<void(Request *)> > Application::middlewares;
|
|
|
|
|
|
|
|
|
|
Application *Application::_instance = nullptr;
|
