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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Network Server Pump for HTTP Server
*/
#include "HttpServer.h"
#include <cstdint>
#include <cstdio>
#include "HttpParam.h"
#include "HttpRequest.h"
#include "HttpResponse.h"
#include "List.h"
#include "NetAddr.h"
#include "NetServer.h"
#include "Text.h"
HttpServer::HttpServer(std::uint16_t port, int poolsize) :
NetServer(port, poolsize)
{
http_server_name = "Generic HttpServer 1.0";
}
HttpServer::~HttpServer()
{
}
Text
HttpServer::ProcessRequest(Text msg, const NetAddr& addr)
{
HttpRequest request(msg);
HttpResponse response;
request.SetClientAddr(addr);
switch (request.Method()) {
case HttpRequest::HTTP_GET:
if (DoGet(request, response))
return response;
case HttpRequest::HTTP_POST:
if (DoPost(request, response))
return response;
case HttpRequest::HTTP_HEAD:
if (DoHead(request, response))
return response;
}
return ErrorResponse();
}
Text
HttpServer::GetServerName()
{
return http_server_name;
}
void
HttpServer::SetServerName(const char* name)
{
http_server_name = name;
}
Text
HttpServer::DefaultResponse()
{
Text response = "HTTP/1.1 200 OK\nServer: ";
response += http_server_name;
response += "\nMIME-Version: 1.0\nContent-Type: text/html\nConnection: close\n\n";
return response;
}
Text
HttpServer::ErrorResponse()
{
Text response = "HTTP/1.1 500 Internal Server Error\nServer:";
response += http_server_name;
response += "\nMIME-Version: 1.0\nContent-Type: text/html\nConnection: close\n\n";
response += "<html><head><title>";
response += http_server_name;
response += " Error</title></head>\n";
response += "<body bgcolor=\"black\" text=\"white\">\n<h1>";
response += http_server_name;
response += "</h1>\n<p>Veruca... sweetheart... angel... I'm not a magician!\n";
response += "</body></html>\n\n";
return response;
}
bool
HttpServer::DoGet(HttpRequest& request, HttpResponse& response)
{
char buffer[1024];
Text content;
content = "<html><head><title>";
content += http_server_name;
content += "</title></head>\n";
content += "<body bgcolor=\"white\" text=\"black\">\n<h1>";
content += http_server_name;
content += "</h1>\n";
content += "<br><h3>Client Address:</h3><p>\n";
std::sprintf(buffer, "%d.%d.%d.%d:%d<br><br>\n",
client_addr.B1(),
client_addr.B2(),
client_addr.B3(),
client_addr.B4(),
client_addr.Port());
content += buffer;
content += "<h3>Request Method:</h3><p>\n";
switch (request.Method()) {
case HttpRequest::HTTP_GET:
content += "GET";
break;
case HttpRequest::HTTP_POST:
content += "POST";
break;
case HttpRequest::HTTP_HEAD:
content += "HEAD";
break;
default:
content += "(unsupported?)";
break;
}
content += "<br>\n";
content += "<br><h3>URI Requested:</h3><p>\n";
content += request.URI();
content += "<br>\n";
if (request.GetQuery().size() > 0) {
content += "<br><h3>Query Parameters:</h3>\n";
ListIter<HttpParam> q_iter = request.GetQuery();
while (++q_iter) {
HttpParam* q = q_iter.value();
std::printf(buffer, "<b>%s:</b> <i>%s</i><br>\n", q->name.data(), q->value.data());
content += buffer;
}
}
content += "<br><h3>Request Headers:</h3>\n";
ListIter<HttpParam> h_iter = request.GetHeaders();
while (++h_iter) {
HttpParam* h = h_iter.value();
std::sprintf(buffer, "<b>%s:</b> <i>%s</i><br>\n", h->name.data(), h->value.data());
content += buffer;
}
content += "</body></html>\n\n";
response.SetStatus(HttpResponse::SC_OK);
response.AddHeader("Server", http_server_name);
response.AddHeader("MIME-Version", "1.0");
response.AddHeader("Content-Type", "text/html");
response.SetContent(content);
return true;
}
bool
HttpServer::DoPost(HttpRequest& request, HttpResponse& response)
{
return DoGet(request, response);
}
bool
HttpServer::DoHead(HttpRequest& request, HttpResponse& response)
{
if (DoGet(request, response)) {
int len = response.Content().length();
char buffer[256];
std::sprintf(buffer, "%d", len);
response.SetHeader("Content-Length", buffer);
response.SetContent("");
return true;
}
return false;
}
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