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Switched to binary pubkeys from base64 for internal user data (#29)

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* String copy optmisations.
* User pubkey binary.
This commit is contained in:
Ravin Perera
2019-10-16 06:45:49 +05:30
committed by GitHub
parent db99d94902
commit 8b003aeaa2
9 changed files with 72 additions and 53 deletions
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20
src/usr/user_session_handler.cpp
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@@ -3,6 +3,7 @@
#include <boost/beast/core.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/asio.hpp>
#include <sodium.h>
#include "../util.hpp"
#include "../sock/socket_session.hpp"
#include "usr.hpp"
@@ -62,17 +63,26 @@ void user_session_handler::on_message(sock::socket_session *session, std::string
{
// Challenge singature verification successful.
// Decode b64 pubkey and get binary pubkey. We area only going to keep
// the binary pubkey due to reduced memory footprint.
std::string userpubkey;
userpubkey.resize(crypto_sign_PUBLICKEYBYTES);
util::base64_decode(
reinterpret_cast<unsigned char *>(userpubkey.data()),
userpubkey.length(),
userpubkeyb64);
// Now check whether this user public key is duplicate.
if (usr::sessionids.count(userpubkeyb64) == 0)
if (usr::sessionids.count(userpubkey) == 0)
{
// All good. Unique public key.
// Promote the connection from pending-challenges to authenticated users.
session->flags_.reset(util::SESSION_FLAG::USER_CHALLENGE_ISSUED); // Clear challenge-issued flag
session->flags_.set(util::SESSION_FLAG::USER_AUTHED); // Set the user-authed flag
usr::add_user(session->uniqueid_, userpubkeyb64); // Add the user to the global authed user list
usr::add_user(session->uniqueid_, userpubkey); // Add the user to the global authed user list
usr::pending_challenges.erase(session->uniqueid_); // Remove the stored challenge
std::cout << "User connection " << session->uniqueid_ << " authenticated. Public key "
<< userpubkeyb64 << std::endl;
return;
@@ -100,10 +110,10 @@ void user_session_handler::on_message(sock::socket_session *session, std::string
// This is an authed user.
usr::connected_user &user = itr->second;
//Hand over the bytes into user inbuffer.
//Append the bytes into connected user input buffer.
user.inbuffer.append(message);
std::cout << "Collected " << user.inbuffer.length() << " bytes from user " << user.pubkeyb64 << std::endl;
std::cout << "Collected " << user.inbuffer.length() << " bytes from user" << std::endl;
return;
}
}