add appservice MSC4190 support

Signed-off-by: June Clementine Strawberry <june@3.dog>

Cargo.lock

@@ -3531,7 +3531,7 @@ dependencies = [
 [[package]]
 name = "ruma"
 version = "0.10.1"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "assign",
  "js_int",
@@ -3551,7 +3551,7 @@ dependencies = [
 [[package]]
 name = "ruma-appservice-api"
 version = "0.10.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "js_int",
  "ruma-common",
@@ -3563,7 +3563,7 @@ dependencies = [
 [[package]]
 name = "ruma-client-api"
 version = "0.18.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "as_variant",
  "assign",
@@ -3586,7 +3586,7 @@ dependencies = [
 [[package]]
 name = "ruma-common"
 version = "0.13.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "as_variant",
  "base64 0.22.1",
@@ -3618,7 +3618,7 @@ dependencies = [
 [[package]]
 name = "ruma-events"
 version = "0.28.1"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "as_variant",
  "indexmap 2.8.0",
@@ -3643,7 +3643,7 @@ dependencies = [
 [[package]]
 name = "ruma-federation-api"
 version = "0.9.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "bytes",
  "headers",
@@ -3665,7 +3665,7 @@ dependencies = [
 [[package]]
 name = "ruma-identifiers-validation"
 version = "0.9.5"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "js_int",
  "thiserror 2.0.12",
@@ -3674,7 +3674,7 @@ dependencies = [
 [[package]]
 name = "ruma-identity-service-api"
 version = "0.9.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "js_int",
  "ruma-common",
@@ -3684,7 +3684,7 @@ dependencies = [
 [[package]]
 name = "ruma-macros"
 version = "0.13.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "cfg-if",
  "proc-macro-crate",
@@ -3699,7 +3699,7 @@ dependencies = [
 [[package]]
 name = "ruma-push-gateway-api"
 version = "0.9.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "js_int",
  "ruma-common",
@@ -3711,7 +3711,7 @@ dependencies = [
 [[package]]
 name = "ruma-signatures"
 version = "0.15.0"
-source = "git+https://github.com/girlbossceo/ruwuma?rev=ea1278657125e9414caada074e8c172bc252fb1c#ea1278657125e9414caada074e8c172bc252fb1c"
+source = "git+https://github.com/girlbossceo/ruwuma?rev=0701341a2fd5a6ea74beada18d5974cc401a4fc1#0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 dependencies = [
  "base64 0.22.1",
  "ed25519-dalek",

Cargo.toml

@@ -346,7 +346,7 @@ version = "0.1.2"
 [workspace.dependencies.ruma]
 git = "https://github.com/girlbossceo/ruwuma"
 #branch = "conduwuit-changes"
-rev = "ea1278657125e9414caada074e8c172bc252fb1c"
+rev = "0701341a2fd5a6ea74beada18d5974cc401a4fc1"
 features = [
     "compat",
     "rand",

src/api/client/account.rs

@@ -318,14 +318,14 @@ pub(crate) async fn register_route(
 				// Success!
 			},
 			| _ => match body.json_body {
-				| Some(json) => {
+				| Some(ref json) => {
 					uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
 					services.uiaa.create(
 						&UserId::parse_with_server_name("", services.globals.server_name())
 							.unwrap(),
 						"".into(),
 						&uiaainfo,
-						&json,
+						json,
 					);
 					return Err(Error::Uiaa(uiaainfo));
 				},
@@ -373,8 +373,12 @@ pub(crate) async fn register_route(
 		)
 		.await?;
 
-	// Inhibit login does not work for guests
+	if (!is_guest && body.inhibit_login)
-	if !is_guest && body.inhibit_login {
+		|| body
+			.appservice_info
+			.as_ref()
+			.is_some_and(|appservice| appservice.registration.device_management)
+	{
 		return Ok(register::v3::Response {
 			access_token: None,
 			user_id,

src/api/client/appservice.rs

@@ -22,7 +22,13 @@ pub(crate) async fn appservice_ping(
 		)));
 	}
 
-	if appservice_info.registration.url.is_none() {
+	if appservice_info.registration.url.is_none()
+		|| appservice_info
+			.registration
+			.url
+			.as_ref()
+			.is_some_and(|url| url.is_empty() || url == "null")
+	{
 		return Err!(Request(UrlNotSet(
 			"Appservice does not have a URL set, there is nothing to ping."
 		)));

src/api/client/device.rs

@@ -1,9 +1,9 @@
 use axum::extract::State;
 use axum_client_ip::InsecureClientIp;
-use conduwuit::{Err, err};
+use conduwuit::{Err, debug, err};
 use futures::StreamExt;
 use ruma::{
-	MilliSecondsSinceUnixEpoch,
+	MilliSecondsSinceUnixEpoch, OwnedDeviceId,
 	api::client::{
 		device::{self, delete_device, delete_devices, get_device, get_devices, update_device},
 		error::ErrorKind,
@@ -12,7 +12,7 @@ use ruma::{
 };
 
 use super::SESSION_ID_LENGTH;
-use crate::{Error, Result, Ruma, utils};
+use crate::{Error, Result, Ruma, client::DEVICE_ID_LENGTH, utils};
 
 /// # `GET /_matrix/client/r0/devices`
 ///
@@ -59,14 +59,15 @@ pub(crate) async fn update_device_route(
 	InsecureClientIp(client): InsecureClientIp,
 	body: Ruma<update_device::v3::Request>,
 ) -> Result<update_device::v3::Response> {
-	let sender_user = body.sender_user.as_ref().expect("user is authenticated");
+	let sender_user = body.sender_user();
+	let appservice = body.appservice_info.as_ref();
 
-	let mut device = services
+	match services
 		.users
 		.get_device_metadata(sender_user, &body.device_id)
 		.await
-		.map_err(|_| err!(Request(NotFound("Device not found."))))?;
+	{
-
+		| Ok(mut device) => {
 			device.display_name.clone_from(&body.display_name);
 			device.last_seen_ip.clone_from(&Some(client.to_string()));
 			device
@@ -79,6 +80,37 @@ pub(crate) async fn update_device_route(
 				.await?;
 
 			Ok(update_device::v3::Response {})
+		},
+		| Err(_) => {
+			let Some(appservice) = appservice else {
+				return Err!(Request(NotFound("Device not found.")));
+			};
+			if !appservice.registration.device_management {
+				return Err!(Request(NotFound("Device not found.")));
+			}
+
+			debug!(
+				"Creating new device for {sender_user} from appservice {} as MSC4190 is enabled \
+				 and device ID does not exist",
+				appservice.registration.id
+			);
+
+			let device_id = OwnedDeviceId::from(utils::random_string(DEVICE_ID_LENGTH));
+
+			services
+				.users
+				.create_device(
+					sender_user,
+					&device_id,
+					&appservice.registration.as_token,
+					None,
+					Some(client.to_string()),
+				)
+				.await?;
+
+			return Ok(update_device::v3::Response {});
+		},
+	}
 }
 
 /// # `DELETE /_matrix/client/r0/devices/{deviceId}`
@@ -95,8 +127,21 @@ pub(crate) async fn delete_device_route(
 	State(services): State<crate::State>,
 	body: Ruma<delete_device::v3::Request>,
 ) -> Result<delete_device::v3::Response> {
-	let sender_user = body.sender_user.as_ref().expect("user is authenticated");
+	let (sender_user, sender_device) = body.sender();
-	let sender_device = body.sender_device.as_ref().expect("user is authenticated");
+	let appservice = body.appservice_info.as_ref();
+
+	if appservice.is_some_and(|appservice| appservice.registration.device_management) {
+		debug!(
+			"Skipping UIAA for {sender_user} as this is from an appservice and MSC4190 is \
+			 enabled"
+		);
+		services
+			.users
+			.remove_device(sender_user, &body.device_id)
+			.await;
+
+		return Ok(delete_device::v3::Response {});
+	}
 
 	// UIAA
 	let mut uiaainfo = UiaaInfo {
@@ -120,11 +165,11 @@ pub(crate) async fn delete_device_route(
 			// Success!
 		},
 		| _ => match body.json_body {
-			| Some(json) => {
+			| Some(ref json) => {
 				uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
 				services
 					.uiaa
-					.create(sender_user, sender_device, &uiaainfo, &json);
+					.create(sender_user, sender_device, &uiaainfo, json);
 
 				return Err!(Uiaa(uiaainfo));
 			},
@@ -142,11 +187,12 @@ pub(crate) async fn delete_device_route(
 	Ok(delete_device::v3::Response {})
 }
 
-/// # `PUT /_matrix/client/r0/devices/{deviceId}`
+/// # `POST /_matrix/client/v3/delete_devices`
 ///
-/// Deletes the given device.
+/// Deletes the given list of devices.
 ///
-/// - Requires UIAA to verify user password
+/// - Requires UIAA to verify user password unless from an appservice with
+///   MSC4190 enabled.
 ///
 /// For each device:
 /// - Invalidates access token
@@ -158,8 +204,20 @@ pub(crate) async fn delete_devices_route(
 	State(services): State<crate::State>,
 	body: Ruma<delete_devices::v3::Request>,
 ) -> Result<delete_devices::v3::Response> {
-	let sender_user = body.sender_user.as_ref().expect("user is authenticated");
+	let (sender_user, sender_device) = body.sender();
-	let sender_device = body.sender_device.as_ref().expect("user is authenticated");
+	let appservice = body.appservice_info.as_ref();
+
+	if appservice.is_some_and(|appservice| appservice.registration.device_management) {
+		debug!(
+			"Skipping UIAA for {sender_user} as this is from an appservice and MSC4190 is \
+			 enabled"
+		);
+		for device_id in &body.devices {
+			services.users.remove_device(sender_user, device_id).await;
+		}
+
+		return Ok(delete_devices::v3::Response {});
+	}
 
 	// UIAA
 	let mut uiaainfo = UiaaInfo {
@@ -183,11 +241,11 @@ pub(crate) async fn delete_devices_route(
 			// Success!
 		},
 		| _ => match body.json_body {
-			| Some(json) => {
+			| Some(ref json) => {
 				uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
 				services
 					.uiaa
-					.create(sender_user, sender_device, &uiaainfo, &json);
+					.create(sender_user, sender_device, &uiaainfo, json);
 
 				return Err(Error::Uiaa(uiaainfo));
 			},

src/service/sending/appservice.rs

@@ -25,6 +25,10 @@ where
 		return Ok(None);
 	};
 
+	if dest == *"null" || dest.is_empty() {
+		return Ok(None);
+	}
+
 	trace!("Appservice URL \"{dest}\", Appservice ID: {}", registration.id);
 
 	let hs_token = registration.hs_token.as_str();
@@ -34,7 +38,11 @@ where
 			SendAccessToken::IfRequired(hs_token),
 			&VERSIONS,
 		)
-		.map_err(|e| err!(BadServerResponse(warn!("Failed to find destination {dest}: {e}"))))?
+		.map_err(|e| {
+			err!(BadServerResponse(
+				warn!(appservice = %registration.id, "Failed to find destination {dest}: {e:?}")
+			))
+		})?
 		.map(BytesMut::freeze);
 
 	let mut parts = http_request.uri().clone().into_parts();
@@ -51,7 +59,7 @@ where
 	let reqwest_request = reqwest::Request::try_from(http_request)?;
 
 	let mut response = client.execute(reqwest_request).await.map_err(|e| {
-		warn!("Could not send request to appservice \"{}\" at {dest}: {e}", registration.id);
+		warn!("Could not send request to appservice \"{}\" at {dest}: {e:?}", registration.id);
 		e
 	})?;
 
@@ -71,7 +79,7 @@ where
 
 	if !status.is_success() {
 		debug_error!("Appservice response bytes: {:?}", utils::string_from_bytes(&body));
-		return Err!(BadServerResponse(error!(
+		return Err!(BadServerResponse(warn!(
 			"Appservice \"{}\" returned unsuccessful HTTP response {status} at {dest}",
 			registration.id
 		)));
@@ -84,8 +92,8 @@ where
 	);
 
 	response.map(Some).map_err(|e| {
-		err!(BadServerResponse(error!(
+		err!(BadServerResponse(warn!(
-			"Appservice \"{}\" returned invalid response bytes {dest}: {e}",
+			"Appservice \"{}\" returned invalid/malformed response bytes {dest}: {e}",
 			registration.id
 		)))
 	})

src/service/users/mod.rs

@@ -350,7 +350,6 @@ impl Service {
 		token: &str,
 	) -> Result<()> {
 		let key = (user_id, device_id);
-		// should not be None, but we shouldn't assert either lol...
 		if self.db.userdeviceid_metadata.qry(&key).await.is_err() {
 			return Err!(Database(error!(
 				?user_id,