chore: News fragment

Fixes #1290

.pre-commit-config.yaml

@@ -31,7 +31,7 @@ repos:
         stages: [commit-msg]
 
   - repo: https://github.com/crate-ci/committed
-    rev: v1.1.9
+    rev: v1.1.10
     hooks:
     - id: committed
 

CHANGELOG.md

@@ -1,3 +1,24 @@
+# Continuwuity 0.5.3 (2026-01-12)
+
+## Features
+
+- Improve the display of nested configuration with the `!admin server show-config` command. Contributed by @Jade (#1279)
+
+## Bugfixes
+
+- Fixed `M_BAD_JSON` error when sending invites to other servers or when providing joins. Contributed by @nex (#1286)
+
+
+## Docs
+
+- Improve admin command documentation generation. Contributed by @ginger (#1280)
+
+
+## Misc
+
+- Improve timeout-related code for federation and URL previews. Contributed by @Jade (#1278)
+
+
 # Continuwuity 0.5.2 (2026-01-09)
 
 ## Features

Cargo.toml

@@ -12,7 +12,7 @@ license = "Apache-2.0"
 # See also `rust-toolchain.toml`
 readme = "README.md"
 repository = "https://forgejo.ellis.link/continuwuation/continuwuity"
-version = "0.5.2"
+version = "0.5.3"
 
 [workspace.metadata.crane]
 name = "conduwuit"
@@ -158,7 +158,7 @@ features = ["raw_value"]
 
 # Used for appservice registration files
 [workspace.dependencies.serde-saphyr]
-version = "0.0.10"
+version = "0.0.14"
 
 # Used to load forbidden room/user regex from config
 [workspace.dependencies.serde_regex]
@@ -342,7 +342,7 @@ version = "0.1.2"
 # Used for matrix spec type definitions and helpers
 [workspace.dependencies.ruma]
 git = "https://forgejo.ellis.link/continuwuation/ruwuma"
-rev = "f9e74cb206cfa45cf5f17d39282253b43a15fcd5"
+rev = "85d00fb5746cba23904234b4fd3c838dcf141541"
 features = [
     "compat",
     "rand",

changelog.d/1278.misc.md

@@ -1 +0,0 @@
-Improve timeout-related code for federation and URL previews. Contributed by @Jade

changelog.d/1279.feature.md

@@ -1 +0,0 @@
-Improve the display of nested configuration with the `!admin server show-config` command. Contributed by @Jade

changelog.d/1288.feature.md

@@ -0,0 +1 @@
+The announcement checker will now announce errors it encounters in the first run to the admin room, plus a few other misc improvements. Contributed by @Jade

changelog.d/1290.bugfix.md

@@ -0,0 +1 @@
+Fix the generated configuration containing uncommented optional sections. Contributed by @Jade

changelog.d/1298.bugfix

@@ -0,0 +1 @@
+Fixed specification non-compliance when handling remote media errors. Contributed by @nex.

changelog.d/1302.bugfix.md

@@ -0,0 +1 @@
+UIAA requests which check for out-of-band success (sent by matrix-js-sdk)  will no longer create unhelpful errors in the logs.

conduwuit-example.toml

@@ -1926,9 +1926,9 @@
 #
 #admin_filter = ""
 
-[global.antispam]
+#[global.antispam]
 
-[global.antispam.meowlnir]
+#[global.antispam.meowlnir]
 
 # The base URL on which to contact Meowlnir (before /_meowlnir/antispam).
 #
@@ -1953,7 +1953,7 @@
 #
 #check_all_joins = false
 
-[global.antispam.draupnir]
+#[global.antispam.draupnir]
 
 # The base URL on which to contact Draupnir (before /api/).
 #

docker/Dockerfile

@@ -48,7 +48,7 @@ EOF
 
 # Developer tool versions
 # renovate: datasource=github-releases depName=cargo-bins/cargo-binstall
-ENV BINSTALL_VERSION=1.16.6
+ENV BINSTALL_VERSION=1.16.7
 # renovate: datasource=github-releases depName=psastras/sbom-rs
 ENV CARGO_SBOM_VERSION=0.9.1
 # renovate: datasource=crate depName=lddtree

docker/musl.Dockerfile

@@ -18,7 +18,7 @@ RUN --mount=type=cache,target=/etc/apk/cache apk add \
 
 # Developer tool versions
 # renovate: datasource=github-releases depName=cargo-bins/cargo-binstall
-ENV BINSTALL_VERSION=1.16.6
+ENV BINSTALL_VERSION=1.16.7
 # renovate: datasource=github-releases depName=psastras/sbom-rs
 ENV CARGO_SBOM_VERSION=0.9.1
 # renovate: datasource=crate depName=lddtree

docs/public/.well-known/continuwuity/announcements

@@ -6,10 +6,10 @@
             "message": "Welcome to Continuwuity! Important announcements about the project will appear here."
         },
         {
-            "id": 7,
+            "id": 8,
-            "mention_room": true,
+            "mention_room": false,
-            "date": "2025-12-30",
+            "date": "2026-01-12",
-            "message": "Continuwuity v0.5.1 has been released. **The release contains a fix for the critical vulnerability [GHSA-m5p2-vccg-8c9v](https://github.com/continuwuity/continuwuity/security/advisories/GHSA-m5p2-vccg-8c9v) (embargoed) affecting all Conduit-derived servers. Update as soon as possible.**\n\nThis has been *actively exploited* to attempt account takeover and forge events bricking the Continuwuity rooms. The new space is accessible at [Continuwuity (room list)](https://matrix.to/#/!8cR4g-i9ucof69E4JHNg9LbPVkGprHb3SzcrGBDDJgk?via=continuwuity.org&via=starstruck.systems&via=gingershaped.computer)\n"
+            "message": "Hey everyone!\n\nJust letting you know we've released [v0.5.3](https://forgejo.ellis.link/continuwuation/continuwuity/releases/tag/v0.5.3) - this one is a bit of a hotfix for an issue with inviting and allowing others to join rooms.\n\nIf you appreceate the round-the-clock work we've been doing to keep your servers secure over this holiday period, we'd really appreciate your support - you can sponsor individuals on our team using the 'sponsor' button at the top of [our GitHub repository](https://github.com/continuwuity/continuwuity). If you can't do that, even a star helps - spreading the word and advocating for our project helps keep it going.\n\nHave a lovely rest of your year \\\n[Jade \\(she/her\\)](https://matrix.to/#/%40jade%3Aellis.link) \n🩵"
         }
     ]
 }

docs/reference/admin/debug.md

@@ -118,10 +118,6 @@ ## `!admin debug time`
 
 Print the current time
 
-## `!admin debug list-dependencies`
-
-List dependencies
-
 ## `!admin debug database-stats`
 
 Get database statistics

docs/reference/admin/server.md

@@ -16,10 +16,6 @@ ## `!admin server reload-config`
 
 Reload configuration values
 
-## `!admin server list-features`
-
-List the features built into the server
-
 ## `!admin server memory-usage`
 
 Print database memory usage statistics

package-lock.json

@@ -713,9 +713,9 @@
       }
     },
     "node_modules/@remix-run/router": {
-      "version": "1.23.1",
+      "version": "1.23.2",
-      "resolved": "https://registry.npmjs.org/@remix-run/router/-/router-1.23.1.tgz",
+      "resolved": "https://registry.npmjs.org/@remix-run/router/-/router-1.23.2.tgz",
-      "integrity": "sha512-vDbaOzF7yT2Qs4vO6XV1MHcJv+3dgR1sT+l3B8xxOVhUC336prMvqrvsLL/9Dnw2xr6Qhz4J0dmS0llNAbnUmQ==",
+      "integrity": "sha512-Ic6m2U/rMjTkhERIa/0ZtXJP17QUi2CbWE7cqx4J58M8aA3QTfW+2UlQ4psvTX9IO1RfNVhK3pcpdjej7L+t2w==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -3244,9 +3244,9 @@
       }
     },
     "node_modules/mdast-util-to-hast": {
-      "version": "13.2.0",
+      "version": "13.2.1",
-      "resolved": "https://registry.npmjs.org/mdast-util-to-hast/-/mdast-util-to-hast-13.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/mdast-util-to-hast/-/mdast-util-to-hast-13.2.1.tgz",
-      "integrity": "sha512-QGYKEuUsYT9ykKBCMOEDLsU5JRObWQusAolFMeko/tYPufNkRffBAQjIE+99jbA87xv6FgmjLtwjh9wBWajwAA==",
+      "integrity": "sha512-cctsq2wp5vTsLIcaymblUriiTcZd0CwWtCbLvrOzYCDZoWyMNV8sZ7krj09FSnsiJi3WVsHLM4k6Dq/yaPyCXA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -4285,13 +4285,13 @@
       }
     },
     "node_modules/react-router": {
-      "version": "6.30.2",
+      "version": "6.30.3",
-      "resolved": "https://registry.npmjs.org/react-router/-/react-router-6.30.2.tgz",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-6.30.3.tgz",
-      "integrity": "sha512-H2Bm38Zu1bm8KUE5NVWRMzuIyAV8p/JrOaBJAwVmp37AXG72+CZJlEBw6pdn9i5TBgLMhNDgijS4ZlblpHyWTA==",
+      "integrity": "sha512-XRnlbKMTmktBkjCLE8/XcZFlnHvr2Ltdr1eJX4idL55/9BbORzyZEaIkBFDhFGCEWBBItsVrDxwx3gnisMitdw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@remix-run/router": "1.23.1"
+        "@remix-run/router": "1.23.2"
       },
       "engines": {
         "node": ">=14.0.0"
@@ -4301,14 +4301,14 @@
       }
     },
     "node_modules/react-router-dom": {
-      "version": "6.30.2",
+      "version": "6.30.3",
-      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-6.30.2.tgz",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-6.30.3.tgz",
-      "integrity": "sha512-l2OwHn3UUnEVUqc6/1VMmR1cvZryZ3j3NzapC2eUXO1dB0sYp5mvwdjiXhpUbRb21eFow3qSxpP8Yv6oAU824Q==",
+      "integrity": "sha512-pxPcv1AczD4vso7G4Z3TKcvlxK7g7TNt3/FNGMhfqyntocvYKj+GCatfigGDjbLozC4baguJ0ReCigoDJXb0ag==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@remix-run/router": "1.23.1",
+        "@remix-run/router": "1.23.2",
-        "react-router": "6.30.2"
+        "react-router": "6.30.3"
       },
       "engines": {
         "node": ">=14.0.0"

src/admin/Cargo.toml

@@ -87,7 +87,6 @@ serde-saphyr.workspace = true
 tokio.workspace = true
 tracing-subscriber.workspace = true
 tracing.workspace = true
-ctor.workspace = true
 
 [lints]
 workspace = true

src/admin/debug/commands.rs

@@ -819,32 +819,6 @@ pub(super) async fn time(&self) -> Result {
 	self.write_str(&now).await
 }
 
-#[admin_command]
-pub(super) async fn list_dependencies(&self, names: bool) -> Result {
-	if names {
-		let out = info::cargo::dependencies_names().join(" ");
-		return self.write_str(&out).await;
-	}
-
-	let mut out = String::new();
-	let deps = info::cargo::dependencies();
-	writeln!(out, "| name | version | features |")?;
-	writeln!(out, "| ---- | ------- | -------- |")?;
-	for (name, dep) in deps {
-		let version = dep.try_req().unwrap_or("*");
-		let feats = dep.req_features();
-		let feats = if !feats.is_empty() {
-			feats.join(" ")
-		} else {
-			String::new()
-		};
-
-		writeln!(out, "| {name} | {version} | {feats} |")?;
-	}
-
-	self.write_str(&out).await
-}
-
 #[admin_command]
 pub(super) async fn database_stats(
 	&self,

src/admin/debug/mod.rs

@@ -206,12 +206,6 @@ pub enum DebugCommand {
 	/// Print the current time
 	Time,
 
-	/// List dependencies
-	ListDependencies {
-		#[arg(short, long)]
-		names: bool,
-	},
-
 	/// Get database statistics
 	DatabaseStats {
 		property: Option<String>,

src/admin/mod.rs

@@ -30,11 +30,8 @@
 
 pub(crate) const PAGE_SIZE: usize = 100;
 
-use ctor::{ctor, dtor};
-
 conduwuit::mod_ctor! {}
 conduwuit::mod_dtor! {}
-conduwuit::rustc_flags_capture! {}
 
 pub use crate::admin::AdminCommand;
 

src/admin/server/commands.rs

@@ -1,7 +1,7 @@
-use std::{fmt::Write, path::PathBuf, sync::Arc};
+use std::{path::PathBuf, sync::Arc};
 
 use conduwuit::{
-	Err, Result, info,
+	Err, Result,
 	utils::{stream::IterStream, time},
 	warn,
 };
@@ -59,34 +59,6 @@ pub(super) async fn reload_config(&self, path: Option<PathBuf>) -> Result {
 		.await
 }
 
-#[admin_command]
-pub(super) async fn list_features(&self, available: bool, enabled: bool, comma: bool) -> Result {
-	let delim = if comma { "," } else { " " };
-	if enabled && !available {
-		let features = info::rustc::features().join(delim);
-		let out = format!("`\n{features}\n`");
-		return self.write_str(&out).await;
-	}
-
-	if available && !enabled {
-		let features = info::cargo::features().join(delim);
-		let out = format!("`\n{features}\n`");
-		return self.write_str(&out).await;
-	}
-
-	let mut features = String::new();
-	let enabled = info::rustc::features();
-	let available = info::cargo::features();
-	for feature in available {
-		let active = enabled.contains(&feature.as_str());
-		let emoji = if active { "✅" } else { "❌" };
-		let remark = if active { "[enabled]" } else { "" };
-		writeln!(features, "{emoji} {feature} {remark}")?;
-	}
-
-	self.write_str(&features).await
-}
-
 #[admin_command]
 pub(super) async fn memory_usage(&self) -> Result {
 	let services_usage = self.services.memory_usage().await?;

src/admin/server/mod.rs

@@ -21,18 +21,6 @@ pub enum ServerCommand {
 		path: Option<PathBuf>,
 	},
 
-	/// List the features built into the server
-	ListFeatures {
-		#[arg(short, long)]
-		available: bool,
-
-		#[arg(short, long)]
-		enabled: bool,
-
-		#[arg(short, long)]
-		comma: bool,
-	},
-
 	/// Print database memory usage statistics
 	MemoryUsage,
 

src/api/Cargo.toml

@@ -91,7 +91,6 @@ serde.workspace = true
 sha1.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-ctor.workspace = true
 
 [lints]
 workspace = true

src/api/admin/mod.rs

@@ -0,0 +1 @@
+pub mod rooms;

src/api/admin/rooms/ban.rs

@@ -0,0 +1,132 @@
+use axum::extract::State;
+use conduwuit::{Err, Result, info, utils::ReadyExt, warn};
+use futures::{FutureExt, StreamExt};
+use ruma::{
+	OwnedRoomAliasId, continuwuity_admin_api::rooms,
+	events::room::message::RoomMessageEventContent,
+};
+
+use crate::{Ruma, client::leave_room};
+
+/// # `PUT /_continuwuity/admin/rooms/{roomID}/ban`
+///
+/// Bans or unbans a room.
+pub(crate) async fn ban_room(
+	State(services): State<crate::State>,
+	body: Ruma<rooms::ban::v1::Request>,
+) -> Result<rooms::ban::v1::Response> {
+	let sender_user = body.sender_user();
+	if !services.users.is_admin(sender_user).await {
+		return Err!(Request(Forbidden("Only server administrators can use this endpoint")));
+	}
+
+	if body.banned {
+		// Don't ban again if already banned
+		if services.rooms.metadata.is_banned(&body.room_id).await {
+			return Err!(Request(InvalidParam("Room is already banned")));
+		}
+		info!(%sender_user, "Banning room {}", body.room_id);
+
+		services
+			.admin
+			.notice(&format!("{sender_user} banned {} (ban in progress)", body.room_id))
+			.await;
+
+		let mut users = services
+			.rooms
+			.state_cache
+			.room_members(&body.room_id)
+			.map(ToOwned::to_owned)
+			.ready_filter(|user| services.globals.user_is_local(user))
+			.boxed();
+		let mut evicted = Vec::new();
+		let mut failed_evicted = Vec::new();
+
+		while let Some(ref user_id) = users.next().await {
+			info!("Evicting user {} from room {}", user_id, body.room_id);
+			match leave_room(&services, user_id, &body.room_id, None)
+				.boxed()
+				.await
+			{
+				| Ok(()) => {
+					services.rooms.state_cache.forget(&body.room_id, user_id);
+					evicted.push(user_id.clone());
+				},
+				| Err(e) => {
+					warn!("Failed to evict user {} from room {}: {}", user_id, body.room_id, e);
+					failed_evicted.push(user_id.clone());
+				},
+			}
+		}
+
+		let aliases: Vec<OwnedRoomAliasId> = services
+			.rooms
+			.alias
+			.local_aliases_for_room(&body.room_id)
+			.map(ToOwned::to_owned)
+			.collect::<Vec<_>>()
+			.await;
+		for alias in &aliases {
+			info!("Removing alias {} for banned room {}", alias, body.room_id);
+			services
+				.rooms
+				.alias
+				.remove_alias(alias, &services.globals.server_user)
+				.await?;
+		}
+
+		services.rooms.directory.set_not_public(&body.room_id); // remove from the room directory
+		services.rooms.metadata.ban_room(&body.room_id, true); // prevent further joins
+		services.rooms.metadata.disable_room(&body.room_id, true); // disable federation
+
+		services
+			.admin
+			.notice(&format!(
+				"Finished banning {}: Removed {} users ({} failed) and {} aliases",
+				body.room_id,
+				evicted.len(),
+				failed_evicted.len(),
+				aliases.len()
+			))
+			.await;
+		if !evicted.is_empty() || !failed_evicted.is_empty() || !aliases.is_empty() {
+			let msg = services
+				.admin
+				.text_or_file(RoomMessageEventContent::text_markdown(format!(
+					"Removed users:\n{}\n\nFailed to remove users:\n{}\n\nRemoved aliases: {}",
+					evicted
+						.iter()
+						.map(|u| u.as_str())
+						.collect::<Vec<_>>()
+						.join("\n"),
+					failed_evicted
+						.iter()
+						.map(|u| u.as_str())
+						.collect::<Vec<_>>()
+						.join("\n"),
+					aliases
+						.iter()
+						.map(|a| a.as_str())
+						.collect::<Vec<_>>()
+						.join(", "),
+				)))
+				.await;
+			services.admin.send_message(msg).await.ok();
+		}
+
+		Ok(rooms::ban::v1::Response::new(evicted, failed_evicted, aliases))
+	} else {
+		// Don't unban if not banned
+		if !services.rooms.metadata.is_banned(&body.room_id).await {
+			return Err!(Request(InvalidParam("Room is not banned")));
+		}
+		info!(%sender_user, "Unbanning room {}", body.room_id);
+		services.rooms.metadata.disable_room(&body.room_id, false);
+		services.rooms.metadata.ban_room(&body.room_id, false);
+		services
+			.admin
+			.notice(&format!("{sender_user} unbanned {}", body.room_id))
+			.await;
+		Ok(rooms::ban::v1::Response::new(Vec::new(), Vec::new(), Vec::new()))
+	}
+}

src/api/admin/rooms/list.rs

@@ -0,0 +1,35 @@
+use axum::extract::State;
+use conduwuit::{Err, Result};
+use futures::StreamExt;
+use ruma::{OwnedRoomId, continuwuity_admin_api::rooms};
+
+use crate::Ruma;
+
+/// # `GET /_continuwuity/admin/rooms/list`
+///
+/// Lists all rooms known to this server, excluding banned ones.
+pub(crate) async fn list_rooms(
+	State(services): State<crate::State>,
+	body: Ruma<rooms::list::v1::Request>,
+) -> Result<rooms::list::v1::Response> {
+	let sender_user = body.sender_user();
+	if !services.users.is_admin(sender_user).await {
+		return Err!(Request(Forbidden("Only server administrators can use this endpoint")));
+	}
+
+	let mut rooms: Vec<OwnedRoomId> = services
+		.rooms
+		.metadata
+		.iter_ids()
+		.filter_map(|room_id| async move {
+			if !services.rooms.metadata.is_banned(room_id).await {
+				Some(room_id.to_owned())
+			} else {
+				None
+			}
+		})
+		.collect()
+		.await;
+	rooms.sort();
+	Ok(rooms::list::v1::Response::new(rooms))
+}

src/api/admin/rooms/mod.rs

@@ -0,0 +1,2 @@
+pub mod ban;
+pub mod list;

src/api/client/keys.rs

@@ -91,8 +91,11 @@ pub(crate) async fn upload_keys_route(
 			.users
 			.get_device_keys(sender_user, sender_device)
 			.await
+			.and_then(|keys| keys.deserialize().map_err(Into::into))
 		{
-			if existing_keys.json().get() == device_keys.json().get() {
+			// NOTE: also serves as a workaround for a nheko bug which omits cross-signing
+			// NOTE: signatures when re-uploading the same DeviceKeys.
+			if existing_keys.keys == deser_device_keys.keys {
 				debug!(
 					%sender_user,
 					%sender_device,

src/api/client/message.rs

@@ -371,11 +371,3 @@ pub(crate) async fn is_ignored_invite(
 		.invite_filter_level(&sender_user, recipient_user)
 		.await == FilterLevel::Ignore
 }
-
-#[cfg_attr(debug_assertions, ctor::ctor)]
-fn _is_sorted() {
-	debug_assert!(
-		IGNORED_MESSAGE_TYPES.is_sorted(),
-		"IGNORED_MESSAGE_TYPES must be sorted by the developer"
-	);
-}

src/api/mod.rs

@@ -1,12 +1,13 @@
 #![type_length_limit = "16384"] //TODO: reduce me
 #![allow(clippy::toplevel_ref_arg)]
 
+extern crate conduwuit_core as conduwuit;
+extern crate conduwuit_service as service;
 pub mod client;
 pub mod router;
 pub mod server;
 
-extern crate conduwuit_core as conduwuit;
+pub mod admin;
-extern crate conduwuit_service as service;
 
 pub(crate) use self::router::{Ruma, RumaResponse, State};
 

src/api/router.rs

@@ -17,7 +17,7 @@
 
 use self::handler::RouterExt;
 pub(super) use self::{args::Args as Ruma, response::RumaResponse};
-use crate::{client, server};
+use crate::{admin, client, server};
 
 pub fn build(router: Router<State>, server: &Server) -> Router<State> {
 	let config = &server.config;
@@ -187,7 +187,9 @@ pub fn build(router: Router<State>, server: &Server) -> Router<State> {
 		.route("/_conduwuit/server_version", get(client::conduwuit_server_version))
 		.route("/_continuwuity/server_version", get(client::conduwuit_server_version))
 		.ruma_route(&client::room_initial_sync_route)
-		.route("/client/server.json", get(client::syncv3_client_server_json));
+		.route("/client/server.json", get(client::syncv3_client_server_json))
+		.ruma_route(&admin::rooms::ban::ban_room)
+		.ruma_route(&admin::rooms::list::list_rooms);
 
 	if config.allow_federation {
 		router = router

src/api/server/send_join.rs

@@ -13,8 +13,7 @@
 use conduwuit_service::Services;
 use futures::{FutureExt, StreamExt, TryStreamExt};
 use ruma::{
-	CanonicalJsonValue, OwnedEventId, OwnedRoomId, OwnedServerName, OwnedUserId, RoomId,
+	CanonicalJsonValue, OwnedEventId, OwnedRoomId, OwnedUserId, RoomId, ServerName,
-	ServerName,
 	api::federation::membership::create_join_event,
 	events::{
 		StateEventType,
@@ -178,15 +177,6 @@ async fn create_join_event(
 		}
 	}
 
-	let origin: OwnedServerName = serde_json::from_value(
-		value
-			.get("origin")
-			.ok_or_else(|| err!(Request(BadJson("Event does not have an origin server name."))))?
-			.clone()
-			.into(),
-	)
-	.map_err(|e| err!(Request(BadJson("Event has an invalid origin server name: {e}"))))?;
-
 	trace!("Signing send_join event");
 	services
 		.server_keys
@@ -204,7 +194,7 @@ async fn create_join_event(
 	let pdu_id = services
 		.rooms
 		.event_handler
-		.handle_incoming_pdu(&origin, room_id, &event_id, value.clone(), true)
+		.handle_incoming_pdu(sender.server_name(), room_id, &event_id, value.clone(), true)
 		.boxed()
 		.await?
 		.ok_or_else(|| err!(Request(InvalidParam("Could not accept as timeline event."))))?;

src/api/server/send_knock.rs

@@ -6,7 +6,7 @@
 };
 use futures::FutureExt;
 use ruma::{
-	OwnedServerName, OwnedUserId,
+	OwnedUserId,
 	RoomVersionId::*,
 	api::federation::knock::send_knock,
 	events::{
@@ -136,15 +136,6 @@ pub(crate) async fn create_knock_event_v1_route(
 		return Err!(Request(InvalidParam("state_key does not match sender user of event.")));
 	}
 
-	let origin: OwnedServerName = serde_json::from_value(
-		value
-			.get("origin")
-			.ok_or_else(|| err!(Request(BadJson("Event does not have an origin server name."))))?
-			.clone()
-			.into(),
-	)
-	.map_err(|e| err!(Request(BadJson("Event has an invalid origin server name: {e}"))))?;
-
 	let mut event: JsonObject = serde_json::from_str(body.pdu.get())
 		.map_err(|e| err!(Request(InvalidParam("Invalid knock event PDU: {e}"))))?;
 
@@ -163,7 +154,7 @@ pub(crate) async fn create_knock_event_v1_route(
 	let pdu_id = services
 		.rooms
 		.event_handler
-		.handle_incoming_pdu(&origin, &body.room_id, &event_id, value.clone(), true)
+		.handle_incoming_pdu(sender.server_name(), &body.room_id, &event_id, value.clone(), true)
 		.boxed()
 		.await?
 		.ok_or_else(|| err!(Request(InvalidParam("Could not accept as timeline event."))))?;

src/core/alloc/je.rs

@@ -47,7 +47,7 @@
 const NAME_MAX: usize = 128;
 const KEY_SEGS: usize = 8;
 
-#[crate::ctor]
+#[ctor::ctor]
 fn _static_initialization() {
 	acq_epoch().expect("pre-initialization of jemalloc failed");
 	acq_epoch().expect("pre-initialization of jemalloc failed");

src/core/config/mod.rs

@@ -2261,7 +2261,11 @@ struct ListeningAddr {
 }
 
 #[derive(Clone, Debug, Deserialize)]
-#[config_example_generator(filename = "conduwuit-example.toml", section = "global.antispam")]
+#[config_example_generator(
+	filename = "conduwuit-example.toml",
+	section = "global.antispam",
+	optional = "true"
+)]
 pub struct Antispam {
 	/// display: nested
 	pub meowlnir: Option<MeowlnirConfig>,
@@ -2272,7 +2276,8 @@ pub struct Antispam {
 #[derive(Clone, Debug, Deserialize)]
 #[config_example_generator(
 	filename = "conduwuit-example.toml",
-	section = "global.antispam.meowlnir"
+	section = "global.antispam.meowlnir",
+	optional = "true"
 )]
 pub struct MeowlnirConfig {
 	/// The base URL on which to contact Meowlnir (before /_meowlnir/antispam).
@@ -2301,7 +2306,8 @@ pub struct MeowlnirConfig {
 #[derive(Clone, Debug, Deserialize)]
 #[config_example_generator(
 	filename = "conduwuit-example.toml",
-	section = "global.antispam.draupnir"
+	section = "global.antispam.draupnir",
+	optional = "true"
 )]
 pub struct DraupnirConfig {
 	/// The base URL on which to contact Draupnir (before /api/).

src/core/debug.rs

@@ -62,7 +62,7 @@ macro_rules! debug_info {
 pub static DEBUGGER: LazyLock<bool> =
 	LazyLock::new(|| env::var("_").unwrap_or_default().ends_with("gdb"));
 
-#[cfg_attr(debug_assertions, crate::ctor)]
+#[cfg_attr(debug_assertions, ctor::ctor)]
 #[cfg_attr(not(debug_assertions), allow(dead_code))]
 fn set_panic_trap() {
 	if !*DEBUGGER {

src/core/error/err.rs

@@ -115,7 +115,7 @@ macro_rules! err {
 macro_rules! err_log {
 	($out:ident, $level:ident, $($fields:tt)+) => {{
 		use $crate::tracing::{
-			callsite, callsite2, metadata, valueset, Callsite,
+			callsite, callsite2, metadata, valueset_all, Callsite,
 			Level,
 		};
 
@@ -133,7 +133,7 @@ macro_rules! err_log {
 			fields: $($fields)+,
 		};
 
-		($crate::error::visit)(&mut $out, LEVEL, &__CALLSITE, &mut valueset!(__CALLSITE.metadata().fields(), $($fields)+));
+		($crate::error::visit)(&mut $out, LEVEL, &__CALLSITE, &mut valueset_all!(__CALLSITE.metadata().fields(), $($fields)+));
 		($out).into()
 	}}
 }

src/core/info/cargo.rs

@@ -1,95 +0,0 @@
-//! Information about the build related to Cargo. This is a frontend interface
-//! informed by proc-macros that capture raw information at build time which is
-//! further processed at runtime either during static initialization or as
-//! necessary.
-
-use std::sync::OnceLock;
-
-use cargo_toml::{DepsSet, Manifest};
-use conduwuit_macros::cargo_manifest;
-
-use crate::Result;
-
-// Raw captures of the cargo manifest for each crate. This is provided by a
-// proc-macro at build time since the source directory and the cargo toml's may
-// not be present during execution.
-
-#[cargo_manifest]
-const WORKSPACE_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "macros")]
-const MACROS_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "core")]
-const CORE_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "database")]
-const DATABASE_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "service")]
-const SERVICE_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "admin")]
-const ADMIN_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "router")]
-const ROUTER_MANIFEST: &'static str = ();
-#[cargo_manifest(crate = "main")]
-const MAIN_MANIFEST: &'static str = ();
-
-/// Processed list of features across all project crates. This is generated from
-/// the data in the MANIFEST strings and contains all possible project features.
-/// For *enabled* features see the info::rustc module instead.
-static FEATURES: OnceLock<Vec<String>> = OnceLock::new();
-
-/// Processed list of dependencies. This is generated from the data captured in
-/// the MANIFEST.
-static DEPENDENCIES: OnceLock<DepsSet> = OnceLock::new();
-
-#[must_use]
-pub fn dependencies_names() -> Vec<&'static str> {
-	dependencies().keys().map(String::as_str).collect()
-}
-
-pub fn dependencies() -> &'static DepsSet {
-	DEPENDENCIES.get_or_init(|| {
-		init_dependencies().unwrap_or_else(|e| panic!("Failed to initialize dependencies: {e}"))
-	})
-}
-
-/// List of all possible features for the project. For *enabled* features in
-/// this build see the companion function in info::rustc.
-pub fn features() -> &'static Vec<String> {
-	FEATURES.get_or_init(|| {
-		init_features().unwrap_or_else(|e| panic!("Failed initialize features: {e}"))
-	})
-}
-
-fn init_features() -> Result<Vec<String>> {
-	let mut features = Vec::new();
-	append_features(&mut features, WORKSPACE_MANIFEST)?;
-	append_features(&mut features, MACROS_MANIFEST)?;
-	append_features(&mut features, CORE_MANIFEST)?;
-	append_features(&mut features, DATABASE_MANIFEST)?;
-	append_features(&mut features, SERVICE_MANIFEST)?;
-	append_features(&mut features, ADMIN_MANIFEST)?;
-	append_features(&mut features, ROUTER_MANIFEST)?;
-	append_features(&mut features, MAIN_MANIFEST)?;
-	features.sort();
-	features.dedup();
-
-	Ok(features)
-}
-
-fn append_features(features: &mut Vec<String>, manifest: &str) -> Result<()> {
-	let manifest = Manifest::from_str(manifest)?;
-	features.extend(manifest.features.keys().cloned());
-
-	Ok(())
-}
-
-fn init_dependencies() -> Result<DepsSet> {
-	let manifest = Manifest::from_str(WORKSPACE_MANIFEST)?;
-	let deps_set = manifest
-		.workspace
-		.as_ref()
-		.expect("manifest has workspace section")
-		.dependencies
-		.clone();
-
-	Ok(deps_set)
-}

src/core/info/mod.rs

@@ -1,12 +1,5 @@
-//! Information about the project. This module contains version, build, system,
-//! etc information which can be queried by admins or used by developers.
-
-pub mod cargo;
 pub mod room_version;
-pub mod rustc;
 pub mod version;
 
-pub use conduwuit_macros::rustc_flags_capture;
-
 pub const MODULE_ROOT: &str = const_str::split!(std::module_path!(), "::")[0];
 pub const CRATE_PREFIX: &str = const_str::split!(MODULE_ROOT, '_')[0];

src/core/info/rustc.rs

@@ -1,54 +0,0 @@
-//! Information about the build related to rustc. This is a frontend interface
-//! informed by proc-macros at build time. Since the project is split into
-//! several crates, lower-level information is supplied from each crate during
-//! static initialization.
-
-use std::{collections::BTreeMap, sync::OnceLock};
-
-use crate::utils::exchange;
-
-/// Raw capture of rustc flags used to build each crate in the project. Informed
-/// by rustc_flags_capture macro (one in each crate's mod.rs). This is
-/// done during static initialization which is why it's mutex-protected and pub.
-/// Should not be written to by anything other than our macro.
-///
-/// We specifically use a std mutex here because parking_lot cannot be used
-/// after thread local storage is destroyed on MacOS.
-pub static FLAGS: std::sync::Mutex<BTreeMap<&str, &[&str]>> =
-	std::sync::Mutex::new(BTreeMap::new());
-
-/// Processed list of enabled features across all project crates. This is
-/// generated from the data in FLAGS.
-static FEATURES: OnceLock<Vec<&'static str>> = OnceLock::new();
-
-/// List of features enabled for the project.
-pub fn features() -> &'static Vec<&'static str> { FEATURES.get_or_init(init_features) }
-
-fn init_features() -> Vec<&'static str> {
-	let mut features = Vec::new();
-	FLAGS
-		.lock()
-		.expect("locked")
-		.iter()
-		.for_each(|(_, flags)| append_features(&mut features, flags));
-
-	features.sort_unstable();
-	features.dedup();
-	features
-}
-
-fn append_features(features: &mut Vec<&'static str>, flags: &[&'static str]) {
-	let mut next_is_cfg = false;
-	for flag in flags {
-		let is_cfg = *flag == "--cfg";
-		let is_feature = flag.starts_with("feature=");
-		if exchange(&mut next_is_cfg, is_cfg) && is_feature {
-			if let Some(feature) = flag
-				.split_once('=')
-				.map(|(_, feature)| feature.trim_matches('"'))
-			{
-				features.push(feature);
-			}
-		}
-	}
-}

src/core/mod.rs

@@ -22,7 +22,7 @@
 pub use config::Config;
 pub use error::Error;
 pub use info::{
-	rustc_flags_capture, version,
+	version,
 	version::{name, version},
 };
 pub use matrix::{
@@ -30,12 +30,10 @@
 };
 pub use parking_lot::{Mutex as SyncMutex, RwLock as SyncRwLock};
 pub use server::Server;
-pub use utils::{ctor, dtor, implement, result, result::Result};
+pub use utils::{implement, result, result::Result};
 
 pub use crate as conduwuit_core;
 
-rustc_flags_capture! {}
-
 #[cfg(any(not(conduwuit_mods), not(feature = "conduwuit_mods")))]
 pub mod mods {
 	#[macro_export]

src/core/utils/mod.rs

@@ -22,7 +22,6 @@
 pub mod with_lock;
 
 pub use ::conduwuit_macros::implement;
-pub use ::ctor::{ctor, dtor};
 
 pub use self::{
 	arrayvec::ArrayVecExt,

src/database/Cargo.toml

@@ -64,7 +64,6 @@ serde.workspace = true
 serde_json.workspace = true
 tokio.workspace = true
 tracing.workspace = true
-ctor.workspace = true
 
 [lints]
 workspace = true

src/database/mod.rs

@@ -3,11 +3,8 @@
 extern crate conduwuit_core as conduwuit;
 extern crate rust_rocksdb as rocksdb;
 
-use ctor::{ctor, dtor};
-
 conduwuit::mod_ctor! {}
 conduwuit::mod_dtor! {}
-conduwuit::rustc_flags_capture! {}
 
 #[cfg(test)]
 mod benches;

src/macros/cargo.rs

@@ -1,47 +0,0 @@
-use std::{fs::read_to_string, path::PathBuf};
-
-use proc_macro::{Span, TokenStream};
-use quote::quote;
-use syn::{Error, ItemConst, Meta};
-
-use crate::{Result, utils};
-
-pub(super) fn manifest(item: ItemConst, args: &[Meta]) -> Result<TokenStream> {
-	let member = utils::get_named_string(args, "crate");
-	let path = manifest_path(member.as_deref())?;
-	let manifest = read_to_string(&path).unwrap_or_default();
-	let val = manifest.as_str();
-	let name = item.ident;
-	let ret = quote! {
-		const #name: &'static str = #val;
-	};
-
-	Ok(ret.into())
-}
-
-#[allow(clippy::option_env_unwrap)]
-fn manifest_path(member: Option<&str>) -> Result<PathBuf> {
-	let Some(path) = option_env!("CARGO_MANIFEST_DIR") else {
-		return Err(Error::new(
-			Span::call_site().into(),
-			"missing CARGO_MANIFEST_DIR in environment",
-		));
-	};
-
-	let mut path: PathBuf = path.into();
-
-	// conduwuit/src/macros/ -> conduwuit/src/
-	path.pop();
-
-	if let Some(member) = member {
-		// conduwuit/$member/Cargo.toml
-		path.push(member);
-	} else {
-		// conduwuit/src/ -> conduwuit/
-		path.pop();
-	}
-
-	path.push("Cargo.toml");
-
-	Ok(path)
-}

src/macros/config.rs

@@ -73,7 +73,13 @@ fn generate_example(input: &ItemStruct, args: &[Meta], write: bool) -> Result<To
 				.expect("written to config file");
 		}
 
-		file.write_fmt(format_args!("\n[{section}]\n"))
+		let optional = settings.get("optional").is_some_and(|v| v == "true");
+		let section_header = if optional {
+			format!("\n#[{section}]\n")
+		} else {
+			format!("\n[{section}]\n")
+		};
+		file.write_fmt(format_args!("{section_header}"))
 			.expect("written to config file");
 	}
 

src/macros/mod.rs

@@ -1,15 +1,13 @@
 mod admin;
-mod cargo;
 mod config;
 mod debug;
 mod implement;
 mod refutable;
-mod rustc;
 mod utils;
 
 use proc_macro::TokenStream;
 use syn::{
-	Error, Item, ItemConst, ItemEnum, ItemFn, ItemStruct, Meta,
+	Error, Item, ItemEnum, ItemFn, ItemStruct, Meta,
 	parse::{Parse, Parser},
 	parse_macro_input,
 };
@@ -26,19 +24,11 @@ pub fn admin_command_dispatch(args: TokenStream, input: TokenStream) -> TokenStr
 	attribute_macro::<ItemEnum, _>(args, input, admin::command_dispatch)
 }
 
-#[proc_macro_attribute]
-pub fn cargo_manifest(args: TokenStream, input: TokenStream) -> TokenStream {
-	attribute_macro::<ItemConst, _>(args, input, cargo::manifest)
-}
-
 #[proc_macro_attribute]
 pub fn recursion_depth(args: TokenStream, input: TokenStream) -> TokenStream {
 	attribute_macro::<Item, _>(args, input, debug::recursion_depth)
 }
 
-#[proc_macro]
-pub fn rustc_flags_capture(args: TokenStream) -> TokenStream { rustc::flags_capture(args) }
-
 #[proc_macro_attribute]
 pub fn refutable(args: TokenStream, input: TokenStream) -> TokenStream {
 	attribute_macro::<ItemFn, _>(args, input, refutable::refutable)

src/macros/rustc.rs

@@ -1,29 +0,0 @@
-use proc_macro::TokenStream;
-use quote::quote;
-
-pub(super) fn flags_capture(args: TokenStream) -> TokenStream {
-	let cargo_crate_name = std::env::var("CARGO_CRATE_NAME");
-	let crate_name = match cargo_crate_name.as_ref() {
-		| Err(_) => return args,
-		| Ok(crate_name) => crate_name.trim_start_matches("conduwuit_"),
-	};
-
-	let flag = std::env::args().collect::<Vec<_>>();
-	let flag_len = flag.len();
-	let ret = quote! {
-		pub static RUSTC_FLAGS: [&str; #flag_len] = [#( #flag ),*];
-
-		#[ctor]
-		fn _set_rustc_flags() {
-			conduwuit_core::info::rustc::FLAGS.lock().expect("locked").insert(#crate_name, &RUSTC_FLAGS);
-		}
-
-		// static strings have to be yanked on module unload
-		#[dtor]
-		fn _unset_rustc_flags() {
-			conduwuit_core::info::rustc::FLAGS.lock().expect("locked").remove(#crate_name);
-		}
-	};
-
-	ret.into()
-}

src/main/Cargo.toml

@@ -207,7 +207,6 @@ clap.workspace = true
 console-subscriber.optional = true
 console-subscriber.workspace = true
 const-str.workspace = true
-ctor.workspace = true
 log.workspace = true
 opentelemetry.optional = true
 opentelemetry.workspace = true

src/main/mod.rs

@@ -2,7 +2,7 @@
 
 use std::sync::{Arc, atomic::Ordering};
 
-use conduwuit_core::{debug_info, error, rustc_flags_capture};
+use conduwuit_core::{debug_info, error};
 
 mod clap;
 mod logging;
@@ -13,12 +13,8 @@
 mod server;
 mod signal;
 
-use ctor::{ctor, dtor};
-use server::Server;
-
-rustc_flags_capture! {}
-
 pub use conduwuit_core::{Error, Result};
+use server::Server;
 
 pub use crate::clap::Args;
 

src/router/Cargo.toml

@@ -122,7 +122,6 @@ tokio.workspace = true
 tower.workspace = true
 tower-http.workspace = true
 tracing.workspace = true
-ctor.workspace = true
 
 [target.'cfg(all(unix, target_os = "linux"))'.dependencies]
 sd-notify.workspace = true

src/router/mod.rs

@@ -12,12 +12,10 @@
 
 use conduwuit::{Error, Result, Server};
 use conduwuit_service::Services;
-use ctor::{ctor, dtor};
 use futures::{Future, FutureExt, TryFutureExt};
 
 conduwuit::mod_ctor! {}
 conduwuit::mod_dtor! {}
-conduwuit::rustc_flags_capture! {}
 
 #[unsafe(no_mangle)]
 pub extern "Rust" fn start(

src/service/Cargo.toml

@@ -118,7 +118,6 @@ webpage.optional = true
 blurhash.workspace = true
 blurhash.optional = true
 recaptcha-verify = { version = "0.1.5", default-features = false }
-ctor.workspace = true
 
 [target.'cfg(all(unix, target_os = "linux"))'.dependencies]
 sd-notify.workspace = true

src/service/announcements/mod.rs

@@ -18,8 +18,9 @@
 use std::{sync::Arc, time::Duration};
 
 use async_trait::async_trait;
-use conduwuit::{Result, Server, debug, info, warn};
+use conduwuit::{Result, Server, debug, error, info, warn};
 use database::{Deserialized, Map};
+use rand::Rng;
 use ruma::events::{Mentions, room::message::RoomMessageEventContent};
 use serde::Deserialize;
 use tokio::{
@@ -86,9 +87,27 @@ async fn worker(self: Arc<Self>) -> Result<()> {
 			return Ok(());
 		}
 
+		// Run the first check immediately and send errors to admin room
+		if let Err(e) = self.check().await {
+			error!(?e, "Failed to check for announcements on startup");
+			self.services
+				.admin
+				.send_message(RoomMessageEventContent::text_plain(format!(
+					"Failed to check for announcements on startup: {e}"
+				)))
+				.await
+				.ok();
+		}
+
+		let first_check_jitter = {
+			let mut rng = rand::thread_rng();
+			let jitter_percent = rng.gen_range(-50.0..=10.0);
+			self.interval.mul_f64(1.0 + jitter_percent / 100.0)
+		};
+
 		let mut i = interval(self.interval);
 		i.set_missed_tick_behavior(MissedTickBehavior::Delay);
-		i.reset_after(self.interval);
+		i.reset_after(first_check_jitter);
 		loop {
 			tokio::select! {
 				() = self.interrupt.notified() => break,

src/service/media/remote.rs

@@ -56,9 +56,18 @@ pub async fn fetch_remote_content(
 
 	let result = self
 		.fetch_content_authenticated(mxc, user, server, timeout_ms)
-		.await;
+		.await
+		.inspect_err(|error| {
+			debug_warn!(
+				%mxc,
+				?user,
+				?server,
+				?error,
+				"Authenticated fetch of remote content failed"
+			);
+		});
 
-	if let Err(Error::Request(NotFound, ..)) = &result {
+	if let Err(Error::Request(Unrecognized, ..)) = &result {
 		return self
 			.fetch_content_unauthenticated(mxc, user, server, timeout_ms)
 			.await;
@@ -87,7 +96,7 @@ async fn fetch_thumbnail_authenticated(
 		timeout_ms,
 	};
 
-	let Response { content, .. } = self.federation_request(mxc, user, server, request).await?;
+	let Response { content, .. } = self.federation_request(mxc, server, request).await?;
 
 	match content {
 		| FileOrLocation::File(content) =>
@@ -111,7 +120,7 @@ async fn fetch_content_authenticated(
 		timeout_ms,
 	};
 
-	let Response { content, .. } = self.federation_request(mxc, user, server, request).await?;
+	let Response { content, .. } = self.federation_request(mxc, server, request).await?;
 
 	match content {
 		| FileOrLocation::File(content) => self.handle_content_file(mxc, user, content).await,
@@ -145,7 +154,7 @@ async fn fetch_thumbnail_unauthenticated(
 
 	let Response {
 		file, content_type, content_disposition, ..
-	} = self.federation_request(mxc, user, server, request).await?;
+	} = self.federation_request(mxc, server, request).await?;
 
 	let content = Content { file, content_type, content_disposition };
 
@@ -173,7 +182,7 @@ async fn fetch_content_unauthenticated(
 
 	let Response {
 		file, content_type, content_disposition, ..
-	} = self.federation_request(mxc, user, server, request).await?;
+	} = self.federation_request(mxc, server, request).await?;
 
 	let content = Content { file, content_type, content_disposition };
 
@@ -296,7 +305,6 @@ async fn location_request(&self, location: &str) -> Result<FileMeta> {
 async fn federation_request<Request>(
 	&self,
 	mxc: &Mxc<'_>,
-	user: Option<&UserId>,
 	server: Option<&ServerName>,
 	request: Request,
 ) -> Result<Request::IncomingResponse>
@@ -307,40 +315,6 @@ async fn federation_request<Request>(
 		.sending
 		.send_federation_request(server.unwrap_or(mxc.server_name), request)
 		.await
-		.map_err(|error| handle_federation_error(mxc, user, server, error))
-}
-
-// Handles and adjusts the error for the caller to determine if they should
-// request the fallback endpoint or give up.
-fn handle_federation_error(
-	mxc: &Mxc<'_>,
-	user: Option<&UserId>,
-	server: Option<&ServerName>,
-	error: Error,
-) -> Error {
-	let fallback = || {
-		err!(Request(NotFound(
-			debug_error!(%mxc, user = user.map(tracing::field::display), server = server.map(tracing::field::display), ?error, "Remote media not found")
-		)))
-	};
-
-	// Matrix server responses for fallback always taken.
-	if error.kind() == NotFound || error.kind() == Unrecognized {
-		return fallback();
-	}
-
-	// If we get these from any middleware we'll try the other endpoint rather than
-	// giving up too early.
-	if error.status_code().is_redirection()
-		|| error.status_code().is_client_error()
-		|| error.status_code().is_server_error()
-	{
-		return fallback();
-	}
-
-	// Reached for 5xx errors. This is where we don't fallback given the likelihood
-	// the other endpoint will also be a 5xx and we're wasting time.
-	error
 }
 
 #[implement(super::Service)]

src/service/mod.rs

@@ -34,11 +34,9 @@
 pub mod uiaa;
 pub mod users;
 
-use ctor::{ctor, dtor};
 pub(crate) use service::{Args, Dep, Service};
 
 pub use crate::services::Services;
 
 conduwuit::mod_ctor! {}
 conduwuit::mod_dtor! {}
-conduwuit::rustc_flags_capture! {}

src/service/uiaa/mod.rs

@@ -233,6 +233,16 @@ pub async fn try_auth(
 		| AuthData::Dummy(_) => {
 			uiaainfo.completed.push(AuthType::Dummy);
 		},
+		| AuthData::FallbackAcknowledgement(_) => {
+			// The client is checking if authentication has succeeded out-of-band. This is
+			// possible if the client is using "fallback auth" (see spec section
+			// 4.9.1.4), which we don't support (and probably never will, because it's a
+			// disgusting hack).
+
+			// Return early to tell the client that no, authentication did not succeed while
+			// it wasn't looking.
+			return Ok((false, uiaainfo));
+		},
 		| k => error!("type not supported: {:?}", k),
 	}