libhttpserver/src/http_request.cpp at master · repo-forker/libhttpserver · GitHub

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This file is part of libhttpserver

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301

USA

#include "httpserver/http_request.hpp"

#include <stdio.h>

#include <stdlib.h>

#include <iostream>

#include "httpserver/http_utils.hpp"

#include "httpserver/string_utilities.hpp"

using namespace std;

namespace httpserver

{

const std::string http_request::EMPTY = "";

struct arguments_accumulator

{

unescaper_ptr unescaper;

std::map<std::string, std::string, http::arg_comparator>* arguments;

};

void http_request::set_method(const std::string& method)

{

this->method = string_utilities::to_upper_copy(method);

}

bool http_request::check_digest_auth(

const std::string& realm,

const std::string& password,

int nonce_timeout,

bool& reload_nonce

) const

{

std::string digested_user = get_digested_user();

int val = MHD_digest_auth_check(

underlying_connection,

realm.c_str(),

digested_user.c_str(),

password.c_str(),

nonce_timeout

);

if(val == MHD_INVALID_NONCE)

{

reload_nonce = true;

return false;

}

else if(val == MHD_NO)

{

reload_nonce = false;

return false;

}

reload_nonce = false;

return true;

}

const std::string http_request::get_connection_value(const std::string& key, enum MHD_ValueKind kind) const

{

const char* header_c = MHD_lookup_connection_value(

underlying_connection,

kind,

key.c_str()

);

if (header_c == NULL) return EMPTY;

return header_c;

}

MHD_Result http_request::build_request_header(

void *cls,

enum MHD_ValueKind kind,

const char *key,

const char *value

)

{

std::map<std::string, std::string, http::header_comparator>* dhr = static_cast<std::map<std::string, std::string, http::header_comparator>*>(cls);

(*dhr)[key] = value;

return MHD_YES;

}

const std::map<std::string, std::string, http::header_comparator> http_request::get_headerlike_values(enum MHD_ValueKind kind) const

{

std::map<std::string, std::string, http::header_comparator> headers;

MHD_get_connection_values(

underlying_connection,

kind,

&build_request_header,

(void*) &headers

);

return headers;

}

const std::string http_request::get_header(const std::string& key) const

{

return get_connection_value(key, MHD_HEADER_KIND);

}

const std::map<std::string, std::string, http::header_comparator> http_request::get_headers() const

{

return get_headerlike_values(MHD_HEADER_KIND);

}

const std::string http_request::get_footer(const std::string& key) const

{

return get_connection_value(key, MHD_FOOTER_KIND);

}

const std::map<std::string, std::string, http::header_comparator> http_request::get_footers() const

{

return get_headerlike_values(MHD_FOOTER_KIND);

}

const std::string http_request::get_cookie(const std::string& key) const

{

return get_connection_value(key, MHD_COOKIE_KIND);

}

const std::map<std::string, std::string, http::header_comparator> http_request::get_cookies() const

{

return get_headerlike_values(MHD_COOKIE_KIND);

}

const std::string http_request::get_arg(const std::string& key) const

{

std::map<std::string, std::string>::const_iterator it = args.find(key);

if(it != args.end())

{

return it->second;

}

return get_connection_value(key, MHD_GET_ARGUMENT_KIND);

}

const std::map<std::string, std::string, http::arg_comparator> http_request::get_args() const

{

std::map<std::string, std::string, http::arg_comparator> arguments;

arguments.insert(args.begin(), args.end());

arguments_accumulator aa;

aa.unescaper = unescaper;

aa.arguments = &arguments;

MHD_get_connection_values(

underlying_connection,

MHD_GET_ARGUMENT_KIND,

&build_request_args,

(void*) &aa

);

return arguments;

}

const std::string http_request::get_querystring() const

{

std::string querystring = "";

MHD_get_connection_values(

underlying_connection,

MHD_GET_ARGUMENT_KIND,

&build_request_querystring,

(void*) &querystring

);

return querystring;

}

MHD_Result http_request::build_request_args(

void *cls,

enum MHD_ValueKind kind,

const char *key,

const char *arg_value

)

{

arguments_accumulator* aa = static_cast<arguments_accumulator*>(cls);

std::string value = ((arg_value == NULL) ? "" : arg_value);

http::base_unescaper(value, aa->unescaper);

(*aa->arguments)[key] = value;

return MHD_YES;

}

MHD_Result http_request::build_request_querystring(

void *cls,

enum MHD_ValueKind kind,

const char *key,

const char *arg_value

)

{

std::string* querystring = static_cast<std::string*>(cls);

std::string value = ((arg_value == NULL) ? "" : arg_value);

{

char buf[std::string(key).size() + value.size() + 3];

if(*querystring == "")

{

snprintf(buf, sizeof buf, "?%s=%s", key, value.c_str());

*querystring = buf;

}

else

{

snprintf(buf, sizeof buf, "&%s=%s", key, value.c_str());

*querystring += string(buf);

}

return MHD_YES;

}

const std::string http_request::get_user() const

{

char* username = 0x0;

char* password = 0x0;

username = MHD_basic_auth_get_username_password(underlying_connection, &password);

if (password != 0x0) free(password);

std::string user;

if (username != 0x0) user = username;

free(username);

return user;

}

const std::string http_request::get_pass() const

{

char* username = 0x0;

char* password = 0x0;

username = MHD_basic_auth_get_username_password(underlying_connection, &password);

if (username != 0x0) free(username);

std::string pass;

if (password != 0x0) pass = password;

free(password);

return pass;

}

const std::string http_request::get_digested_user() const

{

char* digested_user_c = 0x0;

digested_user_c = MHD_digest_auth_get_username(underlying_connection);

std::string digested_user = EMPTY;

if (digested_user_c != 0x0)

{

digested_user = digested_user_c;

free(digested_user_c);

}

return digested_user;

}

const std::string http_request::get_requestor() const

{

const MHD_ConnectionInfo * conninfo = MHD_get_connection_info(

underlying_connection,

MHD_CONNECTION_INFO_CLIENT_ADDRESS

);

return http::get_ip_str(conninfo->client_addr);

}

unsigned short http_request::get_requestor_port() const

{

const MHD_ConnectionInfo * conninfo = MHD_get_connection_info(

underlying_connection,

MHD_CONNECTION_INFO_CLIENT_ADDRESS

);

return http::get_port(conninfo->client_addr);

}

std::ostream &operator<< (std::ostream &os, const http_request &r)

{

os << r.get_method() << " Request [user:\"" << r.get_user() << "\" pass:\"" << r.get_pass() << "\"] path:\""

<< r.get_path() << "\"" << std::endl;

http::dump_header_map(os,"Headers",r.get_headers());

http::dump_header_map(os,"Footers",r.get_footers());

http::dump_header_map(os,"Cookies",r.get_cookies());

http::dump_arg_map(os,"Query Args",r.get_args());

os << " Version [ " << r.get_version() << " ] Requestor [ " << r.get_requestor()

<< " ] Port [ " << r.get_requestor_port() << " ]" << std::endl;

return os;

}

libhttpserver/src/http_request.cpp at master · repo-forker/libhttpserver · GitHub

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