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https://github.com/Relintai/rcpp_framework.git
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145 lines
3.6 KiB
C++
145 lines
3.6 KiB
C++
#include "web_application.h"
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#include <functional>
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#include <string>
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#include "request.h"
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#include "core/file_cache.h"
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#include <iostream>
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#include <stdio.h>
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#include <stdlib.h>
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void WebApplication::load_settings() {
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}
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void WebApplication::setup_routes() {
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default_error_handler_func = WebApplication::default_fallback_error_handler;
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error_handler_map[404] = WebApplication::default_404_error_handler;
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}
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void WebApplication::setup_middleware() {
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//If you want sessions add this to your inherited class. Should probably be the first one.
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//middlewares.push_back(HandlerInstance(::SessionManager::session_setup_middleware));
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middlewares.push_back(HandlerInstance([this](Object *instance, Request *request){ this->default_routing_middleware(instance, request); }));
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}
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void WebApplication::default_routing_middleware(Object *instance, Request *request) {
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std::string path = request->get_path_full();
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if (FileCache::get_singleton()->wwwroot_has_file(path)) {
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send_file(path, request);
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return;
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}
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HandlerInstance handler_data;
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//std::function<void(Object *, Request *)> func;
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//if (path == "/") {
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if (request->get_path_segment_count() == 0) {
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//quick shortcut
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handler_data = index_func;
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} else {
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const std::string main_route = request->get_current_path_segment();
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handler_data = main_route_map[main_route];
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request->push_path();
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}
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if (!handler_data.handler_func) {
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send_error(404, request);
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return;
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}
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request->handler_instance = handler_data;
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request->next_stage();
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}
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void WebApplication::default_fallback_error_handler(int error_code, Request *request) {
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request->compiled_body = default_generic_error_body;
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request->send();
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}
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void WebApplication::default_404_error_handler(int error_code, Request *request) {
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request->compiled_body = default_error_404_body;
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request->send();
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}
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void WebApplication::handle_request(Request *request) {
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request->middleware_stack = &middlewares;
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//note that middlewares handle the routing -> WebApplication::default_routing_middleware by default
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request->next_stage();
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}
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void WebApplication::send_error(int error_code, Request *request) {
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std::function<void(int, Request *)> func = error_handler_map[error_code];
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if (!func) {
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default_error_handler_func(error_code, request);
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return;
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}
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func(error_code, request);
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}
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void WebApplication::send_file(const std::string &path, Request *request) {
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std::string fp = FileCache::get_singleton()->wwwroot + path;
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request->send_file(fp);
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}
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void WebApplication::migrate() {
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}
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void WebApplication::register_request_update(Request *request) {
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std::lock_guard<std::mutex> lock(_update_registered_requests_mutex);
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_update_registered_requests.push_back(request);
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}
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void WebApplication::unregister_request_update(Request *request) {
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std::lock_guard<std::mutex> lock(_update_registered_requests_mutex);
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std::size_t s = _update_registered_requests.size();
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for (std::size_t i = 0; i < s; ++i) {
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Request *r = _update_registered_requests[i];
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if (r == request) {
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_update_registered_requests[i] = _update_registered_requests[s - 1];
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_update_registered_requests.pop_back();
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return;
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}
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}
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}
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void WebApplication::update() {
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for (std::size_t i = 0; i < _update_registered_requests.size(); ++i) {
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Request *r = _update_registered_requests[i];
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r->update();
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}
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}
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WebApplication::WebApplication() {
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}
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WebApplication::~WebApplication() {
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main_route_map.clear();
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error_handler_map.clear();
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middlewares.clear();
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}
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std::string WebApplication::default_error_404_body = "<html><body>404 :(</body></html>";
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std::string WebApplication::default_generic_error_body = "<html><body>Internal server error! :(</body></html>";
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