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diff --git a/services/identity/src/service.rs b/services/identity/src/service.rs
--- a/services/identity/src/service.rs
+++ b/services/identity/src/service.rs
@@ -13,7 +13,7 @@
use rand::rngs::OsRng;
use rand::{CryptoRng, Rng};
use siwe::Message;
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
use std::pin::Pin;
use tokio::sync::mpsc;
use tokio_stream::{wrappers::ReceiverStream, StreamExt};
@@ -44,12 +44,13 @@
registration_response::Data::PakeLoginResponse as PakeRegistrationLoginResponse,
registration_response::Data::PakeRegistrationResponse, CompareUsersRequest,
CompareUsersResponse, DeleteUserRequest, DeleteUserResponse,
- GenerateNonceRequest, GenerateNonceResponse, GetUserIdRequest,
- GetUserIdResponse, LoginRequest, LoginResponse,
+ GenerateNonceRequest, GenerateNonceResponse,
+ GetSessionInitializationInfoRequest, GetSessionInitializationInfoResponse,
+ GetUserIdRequest, GetUserIdResponse, LoginRequest, LoginResponse,
PakeLoginRequest as PakeLoginRequestStruct,
PakeLoginResponse as PakeLoginResponseStruct, RegistrationRequest,
- RegistrationResponse, VerifyUserTokenRequest, VerifyUserTokenResponse,
- WalletLoginRequest as WalletLoginRequestStruct,
+ RegistrationResponse, SessionInitializationInfo, VerifyUserTokenRequest,
+ VerifyUserTokenResponse, WalletLoginRequest as WalletLoginRequestStruct,
WalletLoginResponse as WalletLoginResponseStruct,
};
@@ -269,6 +270,31 @@
Err(e) => Err(handle_db_error(e)),
}
}
+
+ #[instrument(skip(self))]
+ async fn get_session_initialization_info(
+ &self,
+ request: Request<GetSessionInitializationInfoRequest>,
+ ) -> Result<Response<GetSessionInitializationInfoResponse>, Status> {
+ let message = request.into_inner();
+ match self
+ .client
+ .get_session_initialization_info(&message.user_id)
+ .await
+ {
+ Ok(Some(session_initialization_info)) => {
+ let mut devices = HashMap::new();
+ for (device, info) in session_initialization_info {
+ devices.insert(device, SessionInitializationInfo { info });
+ }
+ Ok(Response::new(GetSessionInitializationInfoResponse {
+ devices,
+ }))
+ }
+ Ok(None) => return Err(Status::not_found("user not found")),
+ Err(e) => Err(handle_db_error(e)),
+ }
+ }
}
async fn put_token_helper(
diff --git a/shared/protos/identity.proto b/shared/protos/identity.proto
--- a/shared/protos/identity.proto
+++ b/shared/protos/identity.proto
@@ -22,6 +22,10 @@
rpc CompareUsers(CompareUsersRequest) returns (CompareUsersResponse) {}
// Called by clients to get a nonce for a Sign-In with Ethereum message
rpc GenerateNonce(GenerateNonceRequest) returns (GenerateNonceResponse) {}
+ // Called by clients to get session initialization info needed to open a new
+ // channel of communication with a given user
+ rpc GetSessionInitializationInfo(GetSessionInitializationInfoRequest) returns
+ (GetSessionInitializationInfoResponse) {}
}
// Helper types
@@ -81,6 +85,14 @@
string accessToken = 1;
}
+message SessionInitializationInfo {
+ // Initially, the key-value pairs will be as follows:
+ // payload -> stringified JSON containing primary and notification public keys
+ // signature -> above payload signed with the signing ed25519 key
+ // socialProof -> a signed message used for SIWE (optional)
+ map<string, string> info = 1;
+}
+
// RegisterUser
message RegistrationRequest {
@@ -177,3 +189,14 @@
message GenerateNonceResponse{
string nonce = 1;
}
+
+// GetSessionInitializationInfo
+
+message GetSessionInitializationInfoRequest {
+ string userID = 1;
+}
+
+message GetSessionInitializationInfoResponse {
+ // Map is keyed on devices' public ed25519 key used for signing
+ map<string, SessionInitializationInfo> devices = 1;
+}

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