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Differential D6925 Diff 23454 services/identity/src/service.rs

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services/identity/src/service.rs

use aws_sdk_dynamodb::output::GetItemOutput; use aws_sdk_dynamodb::output::GetItemOutput;
use aws_sdk_dynamodb::Error as DynamoDBError; use aws_sdk_dynamodb::Error as DynamoDBError;
use chrono::Utc; use chrono::Utc;
use comm_opaque::Cipher; use comm_opaque::Cipher;
use constant_time_eq::constant_time_eq; use constant_time_eq::constant_time_eq;
use futures_core::Stream; use futures_core::Stream;
use opaque_ke::{ use opaque_ke::{ServerLogin, ServerRegistration};
CredentialFinalization, CredentialRequest,
RegistrationRequest as PakeRegistrationRequest, ServerLogin,
ServerLoginStartParameters,
};
use opaque_ke::{RegistrationUpload, ServerRegistration};
use rand::rngs::OsRng; use rand::rngs::OsRng;
use rand::{CryptoRng, Rng}; use rand::{CryptoRng, Rng};
use siwe::Message; use siwe::Message;
use std::collections::{HashMap, HashSet}; use std::collections::{HashMap, HashSet};
use std::pin::Pin; use std::pin::Pin;
use tokio::sync::mpsc; use tokio::sync::mpsc;
use tokio_stream::{wrappers::ReceiverStream, StreamExt}; use tokio_stream::{wrappers::ReceiverStream, StreamExt};
use tonic::{Request, Response, Status}; use tonic::{Request, Response, Status};
use tracing::{error, info, instrument}; use tracing::{error, info, instrument};
use crate::config::CONFIG;
use crate::constants::MPSC_CHANNEL_BUFFER_CAPACITY; use crate::constants::MPSC_CHANNEL_BUFFER_CAPACITY;
use crate::database::{DatabaseClient, Error as DBError}; use crate::database::{DatabaseClient, Error as DBError};
use crate::nonce::generate_nonce_data; use crate::nonce::generate_nonce_data;
use crate::pake_grpc;
use crate::token::{AccessTokenData, AuthType}; use crate::token::{AccessTokenData, AuthType};
pub use proto::identity_service_server::IdentityServiceServer; pub use proto::identity_service_server::IdentityServiceServer;
use proto::{ use proto::{
get_user_id_request::AuthType as ProtoAuthType, get_user_id_request::AuthType as ProtoAuthType,
identity_service_server::IdentityService, identity_service_server::IdentityService,
login_request::Data::PakeLoginRequest, login_request::Data::PakeLoginRequest,
login_request::Data::WalletLoginRequest, login_request::Data::WalletLoginRequest,
▲ Show 20 Lines • Show All 411 Lines • ▼ Show 20 Lines) -> Result<LoginResponseAndPakeState, Status> {
let server_registration = let server_registration =
match client.get_pake_registration(user_id.to_string()).await { match client.get_pake_registration(user_id.to_string()).await {
Ok(Some(r)) => r, Ok(Some(r)) => r,
Ok(None) => { Ok(None) => {
return Err(Status::not_found("user not found")); return Err(Status::not_found("user not found"));
} }
Err(e) => return Err(handle_db_error(e)), Err(e) => return Err(handle_db_error(e)),
}; };
let credential_request = let server_login_start_result = pake_grpc::server_login_start(
CredentialRequest::deserialize(pake_credential_request).map_err(|e| {
error!("Failed to deserialize credential request: {}", e);
Status::invalid_argument("invalid message")
})?;
match ServerLogin::start(
&mut OsRng, &mut OsRng,
server_registration, server_registration,
CONFIG.server_keypair.private(), pake_credential_request,
credential_request, )?;
ServerLoginStartParameters::default(), let credential_response =
) {
Ok(server_login_start_result) => Ok(LoginResponseAndPakeState {
response: PakeLoginResponseStruct {
data: Some(PakeCredentialResponse(
server_login_start_result.message.serialize().map_err(|e| { server_login_start_result.message.serialize().map_err(|e| {
error!("Failed to serialize PAKE message: {}", e); error!("Failed to serialize PAKE message: {}", e);
Status::failed_precondition("internal error") Status::failed_precondition("internal error")
})?, })?;
)), Ok(LoginResponseAndPakeState {
response: PakeLoginResponseStruct {
data: Some(PakeCredentialResponse(credential_response)),
}, },
pake_state: server_login_start_result.state, pake_state: server_login_start_result.state,
}), })
Err(e) => {
error!(
"Encountered a PAKE protocol error when starting login: {}",
e
);
Err(Status::aborted("server error"))
}
}
} }
async fn pake_login_finish( async fn pake_login_finish(
user_id: &str, user_id: &str,
signing_public_key: &str, signing_public_key: &str,
client: &DatabaseClient, client: &DatabaseClient,
server_login: ServerLogin<Cipher>, server_login: ServerLogin<Cipher>,
pake_credential_finalization: &[u8], pake_credential_finalization: &Vec<u8>,
rng: &mut (impl Rng + CryptoRng), rng: &mut (impl Rng + CryptoRng),
pake_workflow: PakeWorkflow, pake_workflow: PakeWorkflow,
session_initialization_info: &HashMap<String, String>, session_initialization_info: &HashMap<String, String>,
) -> Result<PakeLoginResponseStruct, Status> { ) -> Result<PakeLoginResponseStruct, Status> {
if user_id.is_empty() || signing_public_key.is_empty() { if user_id.is_empty() || signing_public_key.is_empty() {
error!( error!(
"Incomplete data: user ID {}, signing public key {}", "Incomplete data: user ID {}, signing public key {}",
user_id, signing_public_key user_id, signing_public_key
); );
return Err(Status::aborted("user not found")); return Err(Status::aborted("user not found"));
} }
server_login
.finish( pake_grpc::server_login_finish(server_login, pake_credential_finalization)?;
CredentialFinalization::deserialize(pake_credential_finalization)
.map_err(|e| {
error!("Failed to deserialize credential finalization bytes: {}", e);
Status::aborted("login failed")
})?,
)
.map_err(|e| {
error!(
"Encountered a PAKE protocol error when finishing login: {}",
e
);
Status::aborted("server error")
})?;
if matches!(pake_workflow, PakeWorkflow::Login) { if matches!(pake_workflow, PakeWorkflow::Login) {
client client
.update_users_table( .update_users_table(
user_id.to_string(), user_id.to_string(),
Some(signing_public_key.to_string()), Some(signing_public_key.to_string()),
None, None,
None, None,
Some(session_initialization_info), Some(session_initialization_info),
Show All 10 Lines data: Some(AccessToken(
signing_public_key, signing_public_key,
rng, rng,
) )
.await?, .await?,
)), )),
}) })
} }
async fn pake_registration_start( async fn server_register_response(
rng: &mut (impl Rng + CryptoRng), registration_request_bytes: &Vec<u8>,
registration_request_bytes: &[u8],
) -> Result<RegistrationResponseAndPakeState, Status> { ) -> Result<RegistrationResponseAndPakeState, Status> {
match ServerRegistration::<Cipher>::start( let server_registration_start_result = pake_grpc::server_registration_start(
rng, &mut OsRng,
PakeRegistrationRequest::deserialize(registration_request_bytes).map_err( registration_request_bytes,
|e| { )?;
error!("Failed to deserialize registration request bytes: {}", e);
Status::aborted("registration failed")
},
)?,
CONFIG.server_keypair.public(),
) {
Ok(server_registration_start_result) => {
Ok(RegistrationResponseAndPakeState { Ok(RegistrationResponseAndPakeState {
response: RegistrationResponse { response: RegistrationResponse {
data: Some(PakeRegistrationResponse( data: Some(PakeRegistrationResponse(
server_registration_start_result.message.serialize(), server_registration_start_result.message.serialize(),
)), )),
}, },
pake_state: server_registration_start_result.state, pake_state: server_registration_start_result.state,
}) })
} }
Err(e) => {
error!(
"Encountered a PAKE protocol error when starting registration: {}",
e
);
Err(Status::aborted("server error"))
}
}
}
async fn pake_registration_finish( async fn pake_registration_finish(
user_id: &str, user_id: &str,
client: &DatabaseClient, client: &DatabaseClient,
registration_upload_bytes: &[u8], registration_upload_bytes: &Vec<u8>,
server_registration: Option<ServerRegistration<Cipher>>, server_registration: ServerRegistration<Cipher>,
username: &str, username: &str,
signing_public_key: &str, signing_public_key: &str,
session_initialization_info: &HashMap<String, String>, session_initialization_info: &HashMap<String, String>,
) -> Result<(), Status> { ) -> Result<(), Status> {
if user_id.is_empty() { if user_id.is_empty() {
error!("Incomplete data: user ID not provided"); error!("Incomplete data: user ID not provided");
return Err(Status::aborted("user not found")); return Err(Status::aborted("user not found"));
} }
let server_registration_finish_result = server_registration let server_registration_finish_result =
.ok_or_else(|| Status::aborted("registration failed"))? pake_grpc::server_registration_finish(
.finish( server_registration,
RegistrationUpload::deserialize(registration_upload_bytes).map_err( registration_upload_bytes,
|e| { )?;
error!("Failed to deserialize registration upload bytes: {}", e);
Status::aborted("registration failed")
},
)?,
)
.map_err(|e| {
error!(
"Encountered a PAKE protocol error when finishing registration: {}",
e
);
Status::aborted("server error")
})?;
match client match client
.add_user_to_users_table( .add_user_to_users_table(
user_id.to_string(), user_id.to_string(),
server_registration_finish_result, server_registration_finish_result,
username.to_string(), username.to_string(),
signing_public_key.to_string(), signing_public_key.to_string(),
session_initialization_info, session_initialization_info,
Show All 33 Lines