327 lines
7.2 KiB
C++
327 lines
7.2 KiB
C++
/*
|
|
* This file is a part of Winix
|
|
* and is distributed under the 2-Clause BSD licence.
|
|
* Author: Tomasz Sowa <t.sowa@ttmath.org>
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2008-2021, Tomasz Sowa
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include "core/sessionmanager.h"
|
|
#include "login.h"
|
|
#include "utf8/utf8.h"
|
|
|
|
|
|
|
|
namespace Winix
|
|
{
|
|
|
|
|
|
namespace Fun
|
|
{
|
|
|
|
Login::Login()
|
|
{
|
|
fun.url = L"login";
|
|
need_ssl = true;
|
|
}
|
|
|
|
|
|
void Login::ClearTmpStruct()
|
|
{
|
|
system->crypt.ClearString(pass_decrypted);
|
|
// system->crypt.ClearString(up.pass);
|
|
// system->crypt.ClearString(up.pass_encrypted);
|
|
// system->crypt.ClearString(up2.pass);
|
|
// system->crypt.ClearString(up2.pass_encrypted);
|
|
}
|
|
|
|
|
|
|
|
bool Login::CheckPasswords(User & user, const std::wstring & password)
|
|
{
|
|
if( !user.pass_encrypted.empty() )
|
|
{
|
|
if( system->crypt.RSA(false, config->pass_rsa_private_key, user.pass_encrypted, pass_decrypted) )
|
|
{
|
|
pt::utf8_to_wide(pass_decrypted, user.password);
|
|
}
|
|
else
|
|
{
|
|
log << log1 << "Login: I cannot decrypt a stored password, login failure" << logend;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
std::wstring password_from_db = user.password;
|
|
user.password = password;
|
|
|
|
if( user.is_pass_hash_salted )
|
|
salt = config->pass_hash_salt;
|
|
else
|
|
salt.clear();
|
|
|
|
if( !system->crypt.PassHash(salt, user) )
|
|
{
|
|
log << log1 << "Login: I cannot hash a password, login failure" << logend;
|
|
return false;
|
|
}
|
|
|
|
// compare char by char until the end of the strings (time attacks)
|
|
bool result = (user.password == password_from_db);
|
|
|
|
if( !result )
|
|
log << log2 << "Login: incorrect login/password" << logend;
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
this method is checking whether there is a person with that login and password
|
|
in the database
|
|
|
|
return true if it has found one and sets it user_id
|
|
*/
|
|
bool Login::CheckUserPass(const std::wstring & login, const std::wstring & password, long & user_id)
|
|
{
|
|
bool result;
|
|
|
|
morm::Finder<User> finder(model_connector);
|
|
|
|
User user = finder.
|
|
select().
|
|
where().
|
|
eq(L"login", login).
|
|
get();
|
|
|
|
if( user.found() )
|
|
{
|
|
user_id = user.id;
|
|
|
|
if( user.has_pass )
|
|
{
|
|
result = CheckPasswords(user, password);
|
|
}
|
|
else
|
|
{
|
|
log << log2 << "Login: this account has no a password set yet" << logend;
|
|
result = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
log << log2 << "Login: there is no a user name: " << login << logend;
|
|
result = false;
|
|
}
|
|
|
|
ClearTmpStruct();
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
void Login::CheckBan()
|
|
{
|
|
IPBan * ip_ban = cur->session->ip_ban;
|
|
|
|
if( !ip_ban )
|
|
{
|
|
ip_ban = &session_manager->AddIPToBanList(cur->request->ip, cur->request->start_time);
|
|
cur->session->ip_ban = ip_ban;
|
|
}
|
|
|
|
if( ip_ban->incorrect_login_events < config->incorrect_login_cannot_login_treshold )
|
|
{
|
|
ip_ban->incorrect_login_events += 1;
|
|
}
|
|
else
|
|
{
|
|
log << log2 << "Login: too many incorrect login attempts from this IP" << logend;
|
|
|
|
if( config->incorrect_login_cannot_login_mode == 0 )
|
|
{
|
|
time_t expires = cur->request->start_time + (time_t)config->incorrect_login_cannot_login_delay;
|
|
|
|
if( ip_ban->expires < expires )
|
|
ip_ban->expires = expires;
|
|
|
|
pt::Date date(ip_ban->expires);
|
|
log << log2 << "Login: logging from this IP address has been blocked until to: " << date << " UTC" << logend;
|
|
}
|
|
else
|
|
{
|
|
session_manager->IncrementBanLevel(ip_ban);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool Login::ShouldUseCaptchaForCurrentIP()
|
|
{
|
|
if( cur->session->ip_ban )
|
|
return ShouldUseCaptchaFor(*cur->session->ip_ban);
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Login::ShouldUseCaptchaFor(const IPBan & ipban)
|
|
{
|
|
if( ipban.expires != 0 && cur->request->start_time >= ipban.expires )
|
|
return false; // the 'ip block' has expired (but incorrect_login_events has the old value)
|
|
|
|
return ipban.incorrect_login_events >= config->incorrect_login_captcha_treshold;
|
|
}
|
|
|
|
|
|
bool Login::CannotLoginFromCurrentIP()
|
|
{
|
|
if( cur->session->ip_ban )
|
|
return CannotLoginFrom(*cur->session->ip_ban);
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Login::CannotLoginFrom(const IPBan & ipban)
|
|
{
|
|
if( ipban.IsIPBanned() )
|
|
return true;
|
|
|
|
/*
|
|
* if incorrect_login_cannot_login_mode is equal to one then we only
|
|
* block logging (there is no a ban actually -- neither the active flag is enabled
|
|
* nor any ban_level is set)
|
|
*/
|
|
if( ipban.expires != 0 &&
|
|
cur->request->start_time < ipban.expires &&
|
|
ipban.incorrect_login_events >= config->incorrect_login_cannot_login_treshold )
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
bool Login::CheckAbuse()
|
|
{
|
|
time_t diff = (time_t)config->incorrect_login_min_time_between_get_post;
|
|
|
|
if( cur->session->last_time_get + diff > cur->request->start_time )
|
|
{
|
|
log << log2 << "Login: the minimum time between GET and POST have not passed" << logend;
|
|
return false;
|
|
}
|
|
|
|
if( ShouldUseCaptchaForCurrentIP() )
|
|
{
|
|
if( !system->rebus.CheckRebus() )
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// if you are logging not from a webbrowser but from an application
|
|
// then probably you need check_abuse to be false
|
|
bool Login::LoginUser(const std::wstring & login, const std::wstring & password, bool remember_me,
|
|
bool use_ses_log, bool check_abuse)
|
|
{
|
|
long user_id;
|
|
|
|
if( cur->session->id == 0 )
|
|
{
|
|
log << log2 << "Login: can't login in a temporary session (skipped)" << logend;
|
|
return false;
|
|
}
|
|
|
|
if( CannotLoginFromCurrentIP() )
|
|
{
|
|
log << log2 << "Login: you cannot login from this IP address" << logend;
|
|
return false;
|
|
}
|
|
|
|
if( login.empty() )
|
|
{
|
|
log << log3 << "Login: login is empty (skipping)" << logend;
|
|
return false;
|
|
}
|
|
|
|
if( check_abuse && !CheckAbuse() )
|
|
{
|
|
CheckBan();
|
|
return false;
|
|
}
|
|
|
|
|
|
if( CheckUserPass(login, password, user_id) )
|
|
{
|
|
if( system->users.LoginUser(user_id, remember_me, use_ses_log) )
|
|
{
|
|
if( cur->session->ip_ban )
|
|
cur->session->ip_ban->incorrect_login_events = 0;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CheckBan();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void Login::MakePost()
|
|
{
|
|
const std::wstring & login = cur->request->PostVar(L"login");
|
|
const std::wstring & pass = cur->request->PostVar(L"password");
|
|
const std::wstring & remem = cur->request->PostVar(L"rememberme");
|
|
|
|
if( LoginUser(login, pass, !remem.empty(), true, true) )
|
|
system->RedirectToLastItem();
|
|
}
|
|
|
|
|
|
void Login::MakeGet()
|
|
{
|
|
}
|
|
|
|
|
|
} // namespace
|
|
|
|
} // namespace Winix
|
|
|