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#pragma once
#include "app.hpp"
#include "http_request.hpp"
#include "http_response.hpp"
#include "multipart_parser.hpp"
#include "pam_authenticate.hpp"
#include "webassets.hpp"
#include <boost/container/flat_set.hpp>
#include <random>
namespace crow
{
namespace login_routes
{
inline void handleLogin(const crow::Request& req,
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
MultipartParser parser;
std::string_view contentType = req.getHeaderValue("content-type");
std::string_view username;
std::string_view password;
// This object needs to be declared at this scope so the strings
// within it are not destroyed before we can use them
nlohmann::json loginCredentials;
// Check if auth was provided by a payload
if (contentType.starts_with("application/json"))
{
loginCredentials = nlohmann::json::parse(req.body(), nullptr, false);
if (loginCredentials.is_discarded())
{
BMCWEB_LOG_DEBUG("Bad json in request");
asyncResp->res.result(boost::beast::http::status::bad_request);
return;
}
// check for username/password in the root object
// THis method is how intel APIs authenticate
nlohmann::json::iterator userIt = loginCredentials.find("username");
nlohmann::json::iterator passIt = loginCredentials.find("password");
if (userIt != loginCredentials.end() &&
passIt != loginCredentials.end())
{
const std::string* userStr = userIt->get_ptr<const std::string*>();
const std::string* passStr = passIt->get_ptr<const std::string*>();
if (userStr != nullptr && passStr != nullptr)
{
username = *userStr;
password = *passStr;
}
}
else
{
// Openbmc appears to push a data object that contains the
// same keys (username and password), attempt to use that
auto dataIt = loginCredentials.find("data");
if (dataIt != loginCredentials.end())
{
// Some apis produce an array of value ["username",
// "password"]
if (dataIt->is_array())
{
if (dataIt->size() == 2)
{
nlohmann::json::iterator userIt2 = dataIt->begin();
nlohmann::json::iterator passIt2 = dataIt->begin() + 1;
if (userIt2 != dataIt->end() &&
passIt2 != dataIt->end())
{
const std::string* userStr =
userIt2->get_ptr<const std::string*>();
const std::string* passStr =
passIt2->get_ptr<const std::string*>();
if (userStr != nullptr && passStr != nullptr)
{
username = *userStr;
password = *passStr;
}
}
}
}
else if (dataIt->is_object())
{
nlohmann::json::iterator userIt2 = dataIt->find("username");
nlohmann::json::iterator passIt2 = dataIt->find("password");
if (userIt2 != dataIt->end() && passIt2 != dataIt->end())
{
const std::string* userStr =
userIt2->get_ptr<const std::string*>();
const std::string* passStr =
passIt2->get_ptr<const std::string*>();
if (userStr != nullptr && passStr != nullptr)
{
username = *userStr;
password = *passStr;
}
}
}
}
}
}
else if (contentType.starts_with("multipart/form-data"))
{
ParserError ec = parser.parse(req);
if (ec != ParserError::PARSER_SUCCESS)
{
// handle error
BMCWEB_LOG_ERROR("MIME parse failed, ec : {}",
static_cast<int>(ec));
asyncResp->res.result(boost::beast::http::status::bad_request);
return;
}
for (const FormPart& formpart : parser.mime_fields)
{
boost::beast::http::fields::const_iterator it =
formpart.fields.find("Content-Disposition");
if (it == formpart.fields.end())
{
BMCWEB_LOG_ERROR("Couldn't find Content-Disposition");
asyncResp->res.result(boost::beast::http::status::bad_request);
continue;
}
BMCWEB_LOG_INFO("Parsing value {}", it->value());
if (it->value() == "form-data; name=\"username\"")
{
username = formpart.content;
}
else if (it->value() == "form-data; name=\"password\"")
{
password = formpart.content;
}
else
{
BMCWEB_LOG_INFO("Extra format, ignore it.{}", it->value());
}
}
}
else
{
// check if auth was provided as a headers
username = req.getHeaderValue("username");
password = req.getHeaderValue("password");
}
if (!username.empty() && !password.empty())
{
int pamrc = pamAuthenticateUser(username, password);
bool isConfigureSelfOnly = pamrc == PAM_NEW_AUTHTOK_REQD;
if ((pamrc != PAM_SUCCESS) && !isConfigureSelfOnly)
{
asyncResp->res.result(boost::beast::http::status::unauthorized);
}
else
{
auto session = persistent_data::SessionStore::getInstance()
.generateUserSession(
username, req.ipAddress, std::nullopt,
persistent_data::PersistenceType::TIMEOUT,
isConfigureSelfOnly);
asyncResp->res.addHeader(boost::beast::http::field::set_cookie,
"XSRF-TOKEN=" + session->csrfToken +
"; SameSite=Strict; Secure");
asyncResp->res.addHeader(boost::beast::http::field::set_cookie,
"SESSION=" + session->sessionToken +
"; SameSite=Strict; Secure; HttpOnly");
// if content type is json, assume json token
asyncResp->res.jsonValue["token"] = session->sessionToken;
}
}
else
{
BMCWEB_LOG_DEBUG("Couldn't interpret password");
asyncResp->res.result(boost::beast::http::status::bad_request);
}
}
inline void handleLogout(const crow::Request& req,
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
const auto& session = req.session;
if (session != nullptr)
{
asyncResp->res.jsonValue["data"] = "User '" + session->username +
"' logged out";
asyncResp->res.jsonValue["message"] = "200 OK";
asyncResp->res.jsonValue["status"] = "ok";
asyncResp->res.addHeader("Set-Cookie",
"SESSION="
"; SameSite=Strict; Secure; HttpOnly; "
"expires=Thu, 01 Jan 1970 00:00:00 GMT");
asyncResp->res.addHeader("Clear-Site-Data",
R"("cache","cookies","storage")");
persistent_data::SessionStore::getInstance().removeSession(session);
}
}
inline void requestRoutes(App& app)
{
BMCWEB_ROUTE(app, "/login")
.methods(boost::beast::http::verb::post)(handleLogin);
BMCWEB_ROUTE(app, "/logout")
.methods(boost::beast::http::verb::post)(handleLogout);
}
} // namespace login_routes
} // namespace crow
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