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request_handler.cpp
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request_handler.cpp
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#include "request_handler.h"
#include <fstream>
#include <sstream>
#include "reply.h"
namespace http {
namespace server {
void request_handler::handle_request(const std::string &path, reply &rep) {
std::string request_path;
if (!url_decode(path, request_path)) {
return;
}
std::string full_path = "." + request_path;
std::ifstream is(full_path.c_str(), std::ios::in | std::ios::binary);
if (!is) {
rep = reply::stock_reply(reply::not_found);
return;
}
rep.status = reply::ok;
char buf[512];
while (is.read(buf, sizeof(buf)).gcount() > 0)
rep.content.append(buf, is.gcount());
}
bool request_handler::url_decode(const std::string &in, std::string &out) {
out.clear();
out.reserve(in.size());
for (std::size_t i = 0; i < in.size(); ++i) {
if (in[i] == '%') {
if (i + 3 <= in.size()) {
int value = 0;
std::istringstream is(in.substr(i + 1, 2));
if (is >> std::hex >> value) {
out += static_cast<char>(value);
i += 2;
} else {
return false;
}
} else {
return false;
}
} else if (in[i] == '+') {
out += ' ';
} else {
out += in[i];
}
}
return true;
}
request_handler::request_handler() {
}
} // namespace server
} // namespace http