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// cs/apps/trycopilot.ai/api/auth.cc
#include "cs/apps/trycopilot.ai/api/auth.hh"
#include "cs/apps/trycopilot.ai/protos/auth.proto.hh"
#include "cs/apps/trycopilot.ai/protos/gencode/auth.proto.hh"
#include "cs/apps/trycopilot.ai/protos/gencode/auth.validate.hh"
#include "cs/apps/trycopilot.ai/protos/gencode/user.proto.hh"
#include "cs/apps/trycopilot.ai/protos/user.proto.hh"
#include "cs/log.hh"
#include "cs/net/http/request.hh"
#include "cs/net/http/response.hh"
#include "cs/net/http/web_app.hh"
#include "cs/net/proto/db/client.gpt.hh"
#include "cs/net/proto/db/query_helpers.gpt.hh"
#include "cs/net/proto/db/query_view.gpt.hh"
#include "cs/net/rpc/rpc.hh"
#include "cs/parsers/parsers.hh"
#include "cs/result.hh"
#include "cs/util/context.hh"
#include "cs/util/di/context.gpt.hh"
#include "cs/util/time.hh"
#include "cs/util/uuid.hh"
namespace { // use_usings
using ::cs::InvalidArgument;
using ::cs::Result;
using ::cs::ResultOr;
using ::cs::ValidationError;
using ::cs::apps::trycopilotai::protos::LoginRequest;
using ::cs::apps::trycopilotai::protos::LoginResponse;
using ::cs::apps::trycopilotai::protos::LogoutRequest;
using ::cs::apps::trycopilotai::protos::LogoutResponse;
using ::cs::apps::trycopilotai::protos::Token;
using ::cs::apps::trycopilotai::protos::User;
using ::cs::net::http::HtmlResponse;
using ::cs::net::http::HTTP_200_OK;
using ::cs::net::http::Request;
using ::cs::net::http::Response;
using ::cs::net::proto::db::EQUALS;
using ::cs::net::proto::db::IDatabaseClient;
using ::cs::net::proto::db::QueryView;
using ::cs::net::proto::db::Upsert;
using ::cs::net::proto::validation::Validate;
using ::cs::util::di::Context;
} // namespace
namespace { // impl
// djb2
std::string HashPassword(std::string password,
std::string salt) {
unsigned long hash = 5381;
auto str = salt + password + salt;
for (char c : str) {
hash = ((hash << 5) + hash) + c; // hash * 33 + c
}
std::stringstream ss;
ss << std::hex << hash;
return ss.str();
}
} // namespace
namespace cs::apps::trycopilotai::api {
using ::cs::InvalidArgument;
using ::cs::Result;
using ::cs::ResultOr;
using ::cs::ValidationError;
using ::cs::apps::trycopilotai::protos::LoginRequest;
using ::cs::apps::trycopilotai::protos::LoginResponse;
using ::cs::apps::trycopilotai::protos::LogoutRequest;
using ::cs::apps::trycopilotai::protos::LogoutResponse;
using ::cs::apps::trycopilotai::protos::Token;
using ::cs::apps::trycopilotai::protos::User;
using ::cs::net::http::HtmlResponse;
using ::cs::net::http::HTTP_200_OK;
using ::cs::net::http::Request;
using ::cs::net::http::Response;
using ::cs::net::proto::db::EQUALS;
using ::cs::net::proto::db::IDatabaseClient;
using ::cs::net::proto::db::QueryView;
using ::cs::net::proto::db::Upsert;
using ::cs::net::proto::validation::Validate;
using ::cs::util::random::uuid::generate_uuid_v4;
using LoginRequestRules = ::cs::apps::trycopilotai::protos::
gencode::auth::validation_generated::LoginRequestRules;
IMPLEMENT_RPC(LoginRPC, LoginRequest, LoginResponse) {
auto validation = Validate(request, LoginRequestRules{});
if (!validation.ok()) {
return TRACE(validation);
}
SET_OR_RET(auto* ctx, GetContext());
auto db = ctx->Get<IDatabaseClient>();
SET_OR_RET(User user,
QueryView<User>("users", db)
.where(EQUALS(&User::email, request.email))
.first());
if (HashPassword(request.password, user.password.salt) !=
user.password.hash) {
return TRACE(InvalidArgument("Invalid password."));
}
QueryView<Token> tokens_query("tokens", db);
ResultOr<Token> existing_token =
tokens_query
.where(EQUALS(&Token::user_uuid, user.uuid))
.where(EQUALS(&Token::active, true))
.first();
Token token;
if (Result::IsNotFound(existing_token)) {
token.user_uuid = user.uuid;
token.uuid = generate_uuid_v4();
token.active = true;
OK_OR_RET(Upsert("tokens", token, *db));
} else if (existing_token.ok()) {
token = existing_token.value();
} else {
return TRACE(existing_token);
}
LoginResponse response;
response.email = user.email;
response.token = token;
return response;
}
IMPLEMENT_RPC(LogoutRPC, LogoutRequest, LogoutResponse) {
if (request.token_uuid.empty()) {
return TRACE(
ValidationError("`token_uuid` must not be empty."));
}
SET_OR_RET(auto* ctx, GetContext());
auto db = ctx->Get<IDatabaseClient>();
SET_OR_RET(
auto token,
QueryView<Token>("tokens", db)
.where(EQUALS(&Token::uuid, request.token_uuid))
.first());
token.active = false;
OK_OR_RET(Upsert("tokens", token, *db));
LogoutResponse response;
response.logged_out = true;
return response;
}
} // namespace cs::apps::trycopilotai::api