Update error type of /register route

Cargo.lock

@@ -1052,7 +1052,7 @@ dependencies = [
 [[package]]
 name = "ruma-client-api"
 version = "0.7.2"
-source = "git+https://github.com/ruma/ruma-client-api.git#aeb4e237b7f13a068a92929fdb5c5adac4f346e1"
+source = "git+https://github.com/ruma/ruma-client-api.git?branch=uiaa-error-type#a7136c06285864dadcc0b0c6371d181002727c55"
 dependencies = [
  "http",
  "js_int",

Cargo.toml

@@ -9,7 +9,7 @@ edition = "2018"
 [dependencies]
 rocket = { git = "https://github.com/SergioBenitez/Rocket.git", branch = "async", features = ["tls"] }
 http = "0.2.1"
-ruma-client-api = { git = "https://github.com/ruma/ruma-client-api.git" }
+ruma-client-api = { git = "https://github.com/ruma/ruma-client-api.git", branch = "uiaa-error-type" }
 pretty_env_logger = "0.4.0"
 log = "0.4.8"
 sled = "0.31.0"

src/main.rs

@@ -14,7 +14,10 @@ use rocket::{get, options, post, put, routes, State};
 use ruma_client_api::{
     error::{Error, ErrorKind},
     r0::{
-        account::register,
+        account::{
+            register, AuthenticationFlow, UserInteractiveAuthenticationInfo,
+            UserInteractiveAuthenticationResponse,
+        },
         alias::get_alias,
         filter::{self, create_filter, get_filter},
         keys::get_keys,
@@ -52,23 +55,19 @@ fn get_supported_versions_route() -> MatrixResult<get_supported_versions::Respon
 fn register_route(
     data: State<Data>,
     body: Ruma<register::Request>,
-) -> MatrixResult<register::Response> {
-    /*
+) -> MatrixResult<register::Response, UserInteractiveAuthenticationResponse> {
     if body.auth.is_none() {
-        return MatrixResult(Err(Error {
-            kind: ErrorKind::Unknown,
-            message: json!({
-                "flows": [
-                    { "stages": [ "m.login.dummy" ] },
-                ],
-                "params": {},
-                "session": utils::random_string(SESSION_ID_LENGTH),
-            })
-            .to_string(),
-            status_code: http::StatusCode::UNAUTHORIZED,
-        }));
+        return MatrixResult(Err(UserInteractiveAuthenticationResponse::AuthResponse(
+            UserInteractiveAuthenticationInfo {
+                flows: vec![AuthenticationFlow {
+                    stages: vec!["m.login.dummy".to_owned()],
+                }],
+                completed: vec![],
+                params: json!({}),
+                session: Some(utils::random_string(SESSION_ID_LENGTH)),
+            },
+        )));
     }
-    */
 
     // Validate user id
     let user_id: UserId = match (*format!(
@@ -82,11 +81,13 @@ fn register_route(
     {
         Err(_) => {
             debug!("Username invalid");
-            return MatrixResult(Err(Error {
-                kind: ErrorKind::InvalidUsername,
-                message: "Username was invalid.".to_owned(),
-                status_code: http::StatusCode::BAD_REQUEST,
-            }));
+            return MatrixResult(Err(UserInteractiveAuthenticationResponse::MatrixError(
+                Error {
+                    kind: ErrorKind::InvalidUsername,
+                    message: "Username was invalid.".to_owned(),
+                    status_code: http::StatusCode::BAD_REQUEST,
+                },
+            )));
         }
         Ok(user_id) => user_id,
     };
@@ -94,11 +95,13 @@ fn register_route(
     // Check if username is creative enough
     if data.user_exists(&user_id) {
         debug!("ID already taken");
-        return MatrixResult(Err(Error {
-            kind: ErrorKind::UserInUse,
-            message: "Desired user ID is already taken.".to_owned(),
-            status_code: http::StatusCode::BAD_REQUEST,
-        }));
+        return MatrixResult(Err(UserInteractiveAuthenticationResponse::MatrixError(
+            Error {
+                kind: ErrorKind::UserInUse,
+                message: "Desired user ID is already taken.".to_owned(),
+                status_code: http::StatusCode::BAD_REQUEST,
+            },
+        )));
     }
 
     // Create user

src/ruma_wrapper.rs

@@ -9,7 +9,6 @@ use ruma_api::{
     error::{FromHttpRequestError, FromHttpResponseError},
     Endpoint, Outgoing,
 };
-use ruma_client_api::error::Error;
 use ruma_identifiers::UserId;
 use std::{
     convert::{TryFrom, TryInto},
@@ -124,9 +123,13 @@ impl<T: Outgoing> Deref for Ruma<T> {
 }
 
 /// This struct converts ruma responses into rocket http responses.
-pub struct MatrixResult<T>(pub std::result::Result<T, Error>);
+pub struct MatrixResult<T, E = ruma_client_api::Error>(pub std::result::Result<T, E>);
 
-impl<T: TryInto<http::Response<Vec<u8>>>> TryInto<http::Response<Vec<u8>>> for MatrixResult<T> {
+impl<T, E> TryInto<http::Response<Vec<u8>>> for MatrixResult<T, E>
+where
+    T: TryInto<http::Response<Vec<u8>>>,
+    E: Into<http::Response<Vec<u8>>>,
+{
     type Error = T::Error;
 
     fn try_into(self) -> Result<http::Response<Vec<u8>>, T::Error> {
@@ -138,9 +141,11 @@ impl<T: TryInto<http::Response<Vec<u8>>>> TryInto<http::Response<Vec<u8>>> for M
 }
 
 #[rocket::async_trait]
-impl<'r, T: Send + TryInto<http::Response<Vec<u8>>>> Responder<'r> for MatrixResult<T>
+impl<'r, T, E> Responder<'r> for MatrixResult<T, E>
 where
+    T: Send + TryInto<http::Response<Vec<u8>>>,
     T::Error: Send,
+    E: Into<http::Response<Vec<u8>>> + Send,
 {
     async fn respond_to(self, _: &'r Request<'_>) -> response::Result<'r> {
         let http_response: Result<http::Response<_>, _> = self.try_into();