Files
wlan-cloud-ucentralsec/src/MFAServer.cpp
2021-11-15 11:19:31 -08:00

109 lines
3.7 KiB
C++

//
// Created by stephane bourque on 2021-10-11.
//
#include "MFAServer.h"
#include "SMSSender.h"
#include "SMTPMailerService.h"
#include "framework/MicroService.h"
#include "AuthService.h"
namespace OpenWifi {
int MFAServer::Start() {
return 0;
}
void MFAServer::Stop() {
}
bool MFAServer::StartMFAChallenge(const SecurityObjects::UserInfoAndPolicy &UInfo, Poco::JSON::Object &ChallengeStart) {
std::lock_guard G(Mutex_);
CleanCache();
if(!MethodEnabled(UInfo.userinfo.userTypeProprietaryInfo.mfa.method))
return false;
std::string Challenge = MakeChallenge();
std::string uuid = MicroService::CreateUUID();
uint64_t Created = std::time(nullptr);
ChallengeStart.set("uuid",uuid);
ChallengeStart.set("created", Created);
ChallengeStart.set("method", UInfo.userinfo.userTypeProprietaryInfo.mfa.method);
Cache_[uuid] = MFACacheEntry{ .UInfo = UInfo, .Answer=Challenge, .Created=Created, .Method=UInfo.userinfo.userTypeProprietaryInfo.mfa.method };
return SendChallenge(UInfo, UInfo.userinfo.userTypeProprietaryInfo.mfa.method, Challenge);
}
bool MFAServer::SendChallenge(const SecurityObjects::UserInfoAndPolicy &UInfo, const std::string &Method, const std::string &Challenge) {
if(Method=="sms" && SMSSender()->Enabled() && !UInfo.userinfo.userTypeProprietaryInfo.mobiles.empty()) {
std::string Message = "This is your login code: " + Challenge + " Please enter this in your login screen.";
return SMSSender()->Send(UInfo.userinfo.userTypeProprietaryInfo.mobiles[0].number, Message);
}
if(Method=="email" && SMTPMailerService()->Enabled() && !UInfo.userinfo.email.empty()) {
MessageAttributes Attrs;
Attrs[RECIPIENT_EMAIL] = UInfo.userinfo.email;
Attrs[LOGO] = AuthService::GetLogoAssetURI();
Attrs[SUBJECT] = "Login validation code";
Attrs[CHALLENGE_CODE] = Challenge;
return SMTPMailerService()->SendMessage(UInfo.userinfo.email, "verification_code.txt", Attrs);
}
return false;
}
bool MFAServer::ResendCode(const std::string &uuid) {
std::lock_guard G(Mutex_);
auto Hint = Cache_.find(uuid);
if(Hint==Cache_.end())
return false;
return SendChallenge(Hint->second.UInfo, Hint->second.Method, Hint->second.Answer);
}
bool MFAServer::CompleteMFAChallenge(Poco::JSON::Object::Ptr &ChallengeResponse, SecurityObjects::UserInfoAndPolicy &UInfo) {
std::lock_guard G(Mutex_);
if(!ChallengeResponse->has("uuid") || !ChallengeResponse->has("answer"))
return false;
auto uuid = ChallengeResponse->get("uuid").toString();
auto Hint = Cache_.find(uuid);
if(Hint == end(Cache_)) {
return false;
}
auto answer = ChallengeResponse->get("answer").toString();
if(Hint->second.Answer!=answer) {
return false;
}
UInfo = Hint->second.UInfo;
Cache_.erase(Hint);
return true;
}
bool MFAServer::MethodEnabled(const std::string &Method) {
if(Method=="sms")
return SMSSender()->Enabled();
if(Method=="email")
return SMTPMailerService()->Enabled();
return false;
}
void MFAServer::CleanCache() {
// it is assumed that you have locked Cache_ at this point.
uint64_t Now = std::time(nullptr);
for(auto i=begin(Cache_);i!=end(Cache_);) {
if((Now-i->second.Created)>300) {
i = Cache_.erase(i);
} else {
++i;
}
}
}
}