Update MSRV to 1.84.0

And appease clippy (`__CARGO_FIX_YOLO=1 cargo clippy --fix` plus some
manual type shuffling).

Cargo.toml

@@ -79,7 +79,7 @@ version = "0.1.0"
 edition = "2021"
 
 # See also `rust-toolchain.toml`
-rust-version = "1.81.0"
+rust-version = "1.84.0"
 
 [lints]
 workspace = true

flake.lock

@@ -291,13 +291,13 @@
     "rust-manifest": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-tB9BZB6nRHDk5ELIVlGYlIjViLKBjQl52nC1avhcCwA=",
+        "narHash": "sha256-dm4qOlaZ/uZ+O2TmOrWEjjMAzZNWAGE8S0ne79Fo8OA=",
         "type": "file",
-        "url": "https://static.rust-lang.org/dist/channel-rust-1.81.0.toml"
+        "url": "https://static.rust-lang.org/dist/channel-rust-1.84.0.toml"
       },
       "original": {
         "type": "file",
-        "url": "https://static.rust-lang.org/dist/channel-rust-1.81.0.toml"
+        "url": "https://static.rust-lang.org/dist/channel-rust-1.84.0.toml"
       }
     },
     "systems": {

flake.nix

@@ -12,7 +12,7 @@
 
     rust-manifest = {
       # Keep version in sync with rust-toolchain.toml
-      url = "https://static.rust-lang.org/dist/channel-rust-1.81.0.toml";
+      url = "https://static.rust-lang.org/dist/channel-rust-1.84.0.toml";
       flake = false;
     };
   };

rust-toolchain.toml

@@ -9,7 +9,7 @@
 # If you're having trouble making the relevant changes, bug a maintainer.
 
 [toolchain]
-channel = "1.81.0"
+channel = "1.84.0"
 components = [
     # For rust-analyzer
     "rust-src",

src/api/client_server/keys.rs

@@ -150,8 +150,8 @@ pub(crate) async fn upload_signing_keys_route(
         services().users.add_cross_signing_keys(
             sender_user,
             master_key,
-            &body.self_signing_key,
-            &body.user_signing_key,
+            body.self_signing_key.as_ref(),
+            body.user_signing_key.as_ref(),
             // notify so that other users see the new keys
             true,
         )?;
@@ -428,7 +428,7 @@ pub(crate) async fn get_keys_helper<F: Fn(&UserId) -> bool>(
             let raw = serde_json::from_value(json)
                 .expect("Raw::from_value always works");
             services().users.add_cross_signing_keys(
-                &user, &raw, &None, &None,
+                &user, &raw, None, None,
                 // Dont notify. A notification would trigger another key
                 // request resulting in an endless loop
                 false,

src/api/client_server/room.rs

@@ -133,62 +133,59 @@ pub(crate) async fn create_room_route(
     };
     let room_version = RoomVersion::try_from(&room_version_id)?;
 
-    let content = match &body.creation_content {
-        Some(content) => {
-            let mut content = content
-                .deserialize_as::<CanonicalJsonObject>()
-                .expect("Invalid creation content");
+    let content = if let Some(content) = &body.creation_content {
+        let mut content = content
+            .deserialize_as::<CanonicalJsonObject>()
+            .expect("Invalid creation content");
 
-            if room_version.create_event_creator_prop {
-                content.insert(
-                    "creator".into(),
-                    json!(&sender_user).try_into().map_err(|_| {
-                        Error::BadRequest(
-                            ErrorKind::BadJson,
-                            "Invalid creation content",
-                        )
-                    })?,
-                );
-            }
+        if room_version.create_event_creator_prop {
             content.insert(
-                "room_version".into(),
-                json!(room_version_id.as_str()).try_into().map_err(|_| {
+                "creator".into(),
+                json!(&sender_user).try_into().map_err(|_| {
                     Error::BadRequest(
                         ErrorKind::BadJson,
                         "Invalid creation content",
                     )
                 })?,
             );
-            content
         }
-        None => {
-            let content = if room_version.create_event_creator_prop {
-                RoomCreateEventContent::new_v1(sender_user.to_owned())
-            } else {
-                RoomCreateEventContent::new_v11()
-            };
-            let mut content = serde_json::from_str::<CanonicalJsonObject>(
-                to_raw_value(&content)
-                    .map_err(|_| {
-                        Error::BadRequest(
-                            ErrorKind::BadJson,
-                            "Invalid creation content",
-                        )
-                    })?
-                    .get(),
-            )
-            .unwrap();
-            content.insert(
-                "room_version".into(),
-                json!(room_version_id.as_str()).try_into().map_err(|_| {
+        content.insert(
+            "room_version".into(),
+            json!(room_version_id.as_str()).try_into().map_err(|_| {
+                Error::BadRequest(
+                    ErrorKind::BadJson,
+                    "Invalid creation content",
+                )
+            })?,
+        );
+        content
+    } else {
+        let content = if room_version.create_event_creator_prop {
+            RoomCreateEventContent::new_v1(sender_user.to_owned())
+        } else {
+            RoomCreateEventContent::new_v11()
+        };
+        let mut content = serde_json::from_str::<CanonicalJsonObject>(
+            to_raw_value(&content)
+                .map_err(|_| {
                     Error::BadRequest(
                         ErrorKind::BadJson,
                         "Invalid creation content",
                     )
-                })?,
-            );
-            content
-        }
+                })?
+                .get(),
+        )
+        .unwrap();
+        content.insert(
+            "room_version".into(),
+            json!(room_version_id.as_str()).try_into().map_err(|_| {
+                Error::BadRequest(
+                    ErrorKind::BadJson,
+                    "Invalid creation content",
+                )
+            })?,
+        );
+        content
     };
 
     // Validate creation content

src/api/client_server/session.rs

@@ -232,11 +232,11 @@ pub(crate) async fn login_route(
     let token = utils::random_string(TOKEN_LENGTH);
 
     // Determine if device_id was provided and exists in the db for this user
-    let device_exists = body.device_id.as_ref().map_or(false, |device_id| {
+    let device_exists = body.device_id.as_ref().is_some_and(|device_id| {
         services()
             .users
             .all_device_ids(&user_id)
-            .any(|x| x.as_ref().map_or(false, |v| v == device_id))
+            .any(|x| x.as_ref().is_ok_and(|v| v == device_id))
     });
 
     if device_exists {

src/api/client_server/user_directory.rs

@@ -60,10 +60,9 @@ pub(crate) async fn search_users_route(
                     .rooms
                     .state_accessor
                     .room_state_get(&room, &StateEventType::RoomJoinRules, "")
-                    .map_or(false, |event| {
-                        event.map_or(false, |event| {
-                            serde_json::from_str(event.content.get()).map_or(
-                                false,
+                    .is_ok_and(|event| {
+                        event.is_some_and(|event| {
+                            serde_json::from_str(event.content.get()).is_ok_and(
                                 |r: RoomJoinRulesEventContent| {
                                     r.join_rule == JoinRule::Public
                                 },

src/api/server_server.rs

@@ -1030,8 +1030,8 @@ pub(crate) async fn send_transaction_message_route(
                     services().users.add_cross_signing_keys(
                         &user_id,
                         &master_key,
-                        &self_signing_key,
-                        &None,
+                        self_signing_key.as_ref(),
+                        None,
                         true,
                     )?;
                 }

src/cli/serve.rs

@@ -114,10 +114,10 @@ async fn federation_self_test() -> Result<()> {
     )
     .await?;
 
-    if !response
+    if response
         .server
         .as_ref()
-        .is_some_and(|s| s.name.as_deref() == Some(env!("CARGO_PKG_NAME")))
+        .is_none_or(|s| s.name.as_deref() != Some(env!("CARGO_PKG_NAME")))
     {
         error!(?response, "unexpected server version");
         return Err(Error::BadConfig(

src/database.rs

@@ -488,8 +488,8 @@ impl KeyValueDatabase {
                 for (userid, password) in self.userid_password.iter() {
                     let password = utils::string_from_bytes(&password);
 
-                    let empty_hashed_password = password
-                        .map_or(false, |password| {
+                    let empty_hashed_password =
+                        password.is_ok_and(|password| {
                             utils::verify_password("", password)
                         });
 

src/database/key_value/rooms/state_cache.rs

@@ -182,9 +182,9 @@ impl service::rooms::state_cache::Data for KeyValueDatabase {
         .ok();
 
         let in_room = bridge_user_id
-            .map_or(false, |id| self.is_joined(&id, room_id).unwrap_or(false))
+            .is_some_and(|id| self.is_joined(&id, room_id).unwrap_or(false))
             || self.room_members(room_id).any(|userid| {
-                userid.map_or(false, |userid| {
+                userid.is_ok_and(|userid| {
                     appservice.users.is_match(userid.as_str())
                 })
             });

src/database/key_value/sending.rs

@@ -86,12 +86,10 @@ impl service::sending::Data for KeyValueDatabase {
     ) -> Box<dyn Iterator<Item = Result<(SendingEventType, RequestKey)>> + 'a>
     {
         let prefix = destination.get_prefix();
-        return Box::new(self.servernameevent_data.scan_prefix(prefix).map(
-            |(k, v)| {
-                let k = RequestKey::new(k);
-                parse_servercurrentevent(&k, v).map(|(_, ev)| (ev, k))
-            },
-        ));
+        Box::new(self.servernameevent_data.scan_prefix(prefix).map(|(k, v)| {
+            let k = RequestKey::new(k);
+            parse_servercurrentevent(&k, v).map(|(_, ev)| (ev, k))
+        }))
     }
 
     fn mark_as_active(

src/database/key_value/users.rs

@@ -522,8 +522,8 @@ impl service::users::Data for KeyValueDatabase {
         &self,
         user_id: &UserId,
         master_key: &Raw<CrossSigningKey>,
-        self_signing_key: &Option<Raw<CrossSigningKey>>,
-        user_signing_key: &Option<Raw<CrossSigningKey>>,
+        self_signing_key: Option<&Raw<CrossSigningKey>>,
+        user_signing_key: Option<&Raw<CrossSigningKey>>,
         notify: bool,
     ) -> Result<()> {
         // TODO: Check signatures

src/service/globals.rs

@@ -443,8 +443,8 @@ impl Service {
         &self.config.turn.secret
     }
 
-    pub(crate) fn emergency_password(&self) -> &Option<String> {
-        &self.config.emergency_password
+    pub(crate) fn emergency_password(&self) -> Option<&str> {
+        self.config.emergency_password.as_deref()
     }
 
     /// If the emergency password option is set, attempts to set the emergency
@@ -455,10 +455,9 @@ impl Service {
         let inner = || -> Result<bool> {
             let admin_bot = self.admin_bot_user_id.as_ref();
 
-            services().users.set_password(
-                admin_bot,
-                self.emergency_password().as_deref(),
-            )?;
+            services()
+                .users
+                .set_password(admin_bot, self.emergency_password())?;
 
             let (ruleset, res) = match self.emergency_password() {
                 Some(_) => (Ruleset::server_default(admin_bot), Ok(true)),

src/service/rooms/spaces.rs

@@ -76,7 +76,7 @@ impl Service {
         let mut results = Vec::new();
 
         while let Some(current_room) = {
-            while stack.last().map_or(false, Vec::is_empty) {
+            while stack.last().is_some_and(Vec::is_empty) {
                 stack.pop();
             }
             if stack.is_empty() {

src/service/rooms/state_cache.rs

@@ -120,7 +120,7 @@ impl Service {
                         })
                     })
                     .transpose()?
-                    .map_or(false, |ignored| {
+                    .is_some_and(|ignored| {
                         ignored
                             .content
                             .ignored_users

src/service/rooms/timeline.rs

@@ -726,9 +726,10 @@ impl Service {
             let matching_users = |users: &NamespaceRegex| {
                 appservice.users.is_match(pdu.sender.as_str())
                     || pdu.kind == TimelineEventType::RoomMember
-                        && pdu.state_key.as_ref().map_or(false, |state_key| {
-                            users.is_match(state_key)
-                        })
+                        && pdu
+                            .state_key
+                            .as_ref()
+                            .is_some_and(|state_key| users.is_match(state_key))
             };
             let matching_aliases = |aliases: &NamespaceRegex| {
                 services()

src/service/users.rs

@@ -464,8 +464,8 @@ impl Service {
         &self,
         user_id: &UserId,
         master_key: &Raw<CrossSigningKey>,
-        self_signing_key: &Option<Raw<CrossSigningKey>>,
-        user_signing_key: &Option<Raw<CrossSigningKey>>,
+        self_signing_key: Option<&Raw<CrossSigningKey>>,
+        user_signing_key: Option<&Raw<CrossSigningKey>>,
         notify: bool,
     ) -> Result<()> {
         self.db.add_cross_signing_keys(

src/service/users/data.rs

@@ -140,8 +140,8 @@ pub(crate) trait Data: Send + Sync {
         &self,
         user_id: &UserId,
         master_key: &Raw<CrossSigningKey>,
-        self_signing_key: &Option<Raw<CrossSigningKey>>,
-        user_signing_key: &Option<Raw<CrossSigningKey>>,
+        self_signing_key: Option<&Raw<CrossSigningKey>>,
+        user_signing_key: Option<&Raw<CrossSigningKey>>,
         notify: bool,
     ) -> Result<()>;