anthracite/lib/http/request.cpp

170 lines
4.4 KiB
C++

#include "request.hpp"
#include "../log/log.hpp"
#include "constants.hpp"
#include <stdio.h>
namespace anthracite::http {
request::request(std::string& raw_data, const std::string& client_ip)
: _path("")
, _client_ipaddr(client_ip)
{
parser_state state = METHOD;
std::string scratch = "";
std::string scratch_2 = "";
for (int i = 0; i < raw_data.length(); i++) {
switch (state) {
case METHOD: {
if (raw_data[i] == ' ') {
if (method_map.find(scratch) == method_map.end()) {
_method = method::UNKNOWN;
} else {
_method = method_map.find(scratch)->second;
}
scratch = "";
state = PATH;
} else {
scratch += raw_data[i];
}
} break;
case PATH: {
switch (raw_data[i]) {
case ' ':
state = VERSION;
break;
case '?':
state = QUERY_PARAM_NAME;
break;
default:
_path += raw_data[i];
break;
}
} break;
case QUERY_PARAM_NAME: {
if (raw_data[i] == ' ') {
scratch = "";
state = VERSION;
} else if (raw_data[i] == '=') {
state = QUERY_PARAM_VALUE;
} else {
scratch += raw_data[i];
}
} break;
case QUERY_PARAM_VALUE: {
if (raw_data[i] == ' ') {
_query_params[scratch] = query_param(scratch, scratch_2);
scratch = "";
scratch_2 = "";
state = VERSION;
} else if (raw_data[i] == '&') {
_query_params[scratch] = query_param(scratch, scratch_2);
scratch = "";
scratch_2 = "";
state = QUERY_PARAM_NAME;
} else {
scratch_2 += raw_data[i];
}
} break;
case VERSION: {
if (raw_data[i] == '\n') {
_http_version = version_map.find(scratch)->second;
scratch = "";
state = HEADER_NAME;
} else if (raw_data[i] != '\r') {
scratch += raw_data[i];
}
} break;
case HEADER_NAME: {
if (raw_data[i] == '\n') {
scratch = "";
scratch_2 = "";
state = BODY_CONTENT;
break;
} else if (raw_data[i] == ' ') {
scratch = "";
break;
} else if (raw_data[i] == ':') {
state = HEADER_VALUE;
i++;
} else {
scratch += raw_data[i];
}
} break;
case HEADER_VALUE: {
if (raw_data[i] == '\n') {
_headers[scratch] = header(scratch, scratch_2);
scratch = "";
scratch_2 = "";
state = HEADER_NAME;
} else if (raw_data[i] != '\r') {
scratch_2 += raw_data[i];
}
} break;
case BODY_CONTENT: {
_body_content += raw_data[i];
} break;
}
}
}
std::string request::path() { return _path; }
method request::get_method() { return _method; }
std::string request::client_ip() { return _client_ipaddr; }
version request::get_http_version()
{
return _http_version;
}
bool request::is_supported_version()
{
// log::err << reverse_version_map.find(_http_version)->second << std::endl;
return _http_version == HTTP_1_1 || _http_version == HTTP_1_0;
}
bool request::close_connection()
{
const auto& header = _headers.find("Connection");
const bool found = header != _headers.end();
if (found && header->second.value() == "keep-alive") {
return false;
}
return true;
}
std::string request::to_string()
{
std::string response = "";
response += reverse_method_map.find(_method)->second + " " + _path + "?";
for (auto qp : _query_params) {
response += qp.second.to_string() + "&";
}
response += " " + reverse_version_map.find(_http_version)->second + "\r\n";
for (auto header : _headers) {
response += header.second.to_string();
}
response += "\r\n";
response += _body_content;
return response;
}
};