Apply clippy fixes

Signed-off-by: Olivier 'reivilibre <olivier@librepush.net>

src/config.rs

@@ -109,7 +109,7 @@ impl SecretConfig {
             .await
             .context("failed to load RSA private key")?;
         let rsa_key_pair =
-            RsaKeyPair::from_pem(&rsa_keypair_bytes).context("Failed to decode RSA key pair")?;
+            RsaKeyPair::from_pem(rsa_keypair_bytes).context("Failed to decode RSA key pair")?;
 
         Ok(Self { rsa_key_pair })
     }

src/web.rs

@@ -114,7 +114,7 @@ pub async fn serve(
         .layer(Extension(Arc::new(PasswordHashInflightLimiter::new(1))))
         .layer(client_ip_source.into_extension())
         .layer(Extension(Arc::new(ratelimiters)))
-        .layer(Extension(VolatileCodeStore::new()));
+        .layer(Extension(VolatileCodeStore::default()));
 
     info!("Listening on {bind:?}");
     axum::Server::try_bind(&bind)

src/web/login.rs

@@ -133,10 +133,10 @@ impl LoginSession {
 
         // TODO this is only using the key, not the salt and persona
         let mac_tag_bytes = Blake2sMac256::new_with_salt_and_personal(&self.xsrf_secret, &[], &[])?
-            .chain_update(&now_8bytes)
+            .chain_update(now_8bytes)
             .finalize()
             .into_bytes();
-        let mac_b64 = BASE64_URL_SAFE_NO_PAD.encode(&mac_tag_bytes);
+        let mac_b64 = BASE64_URL_SAFE_NO_PAD.encode(mac_tag_bytes);
 
         Ok(format!("{now_timestamp}.{mac_b64}"))
     }
@@ -158,7 +158,7 @@ impl LoginSession {
         // TODO this is only using the key, not the salt and persona
         // TODO perhaps the persona should be the user UUID hashed?
         Blake2sMac256::new_with_salt_and_personal(&self.xsrf_secret, &[], &[])?
-            .chain_update(&timestamp_8bytes)
+            .chain_update(timestamp_8bytes)
             .verify_slice(&mac_tag_bytes)
             .context("bad MAC in XSRF token")?;
 
@@ -270,6 +270,7 @@ fn render_login_retry_form() -> Response {
     (StatusCode::UNAUTHORIZED, "Wrong username or password!").into_response() // TODO(ui): this should re-render the login form for another go
 }
 
+#[allow(clippy::too_many_arguments)]
 pub async fn post_login(
     Query(query): Query<LoginQuery>,
     cookies: Cookies,
@@ -346,7 +347,7 @@ pub async fn post_login(
     let login_session_token = thread_rng().gen::<[u8; LOGIN_SESSION_TOKEN_BYTES]>();
     let login_session_token_b64 = BASE64_URL_SAFE_NO_PAD.encode(login_session_token);
     let login_session_token_hash: [u8; LOGIN_SESSION_TOKEN_HASH_BYTES] =
-        Blake2s256::digest(&login_session_token).into();
+        Blake2s256::digest(login_session_token).into();
     let xsrf_secret = thread_rng().gen::<[u8; LOGIN_SESSION_XSRF_SECRET_BYTES]>();
 
     // store session in the database

src/web/oauth_openid/application_session_access_token.rs

@@ -31,7 +31,7 @@ where
         let Ok(TypedHeader(Authorization(bearer))) = TypedHeader::<Authorization<Bearer>>::from_request_parts(parts, state).await else {
             return Err((StatusCode::UNAUTHORIZED, "No access token."));
         };
-        let Ok(access_token) = BASE64_URL_SAFE_NO_PAD.decode(&bearer.token()) else {
+        let Ok(access_token) = BASE64_URL_SAFE_NO_PAD.decode(bearer.token()) else {
             return Err((
                 StatusCode::UNAUTHORIZED,
                 "Invalid access token."

src/web/oauth_openid/authorisation.rs

@@ -194,26 +194,26 @@ fn validate_authorisation_basics<'a>(
     if &query.response_type != "code" {
         return Err(fail_authorisation_with_redirect(
             query,
-            &client_config,
+            client_config,
             AuthorisationRedirectableError::UnsupportedResponseType,
             "We only support `code` authorisation responses here.".to_owned(),
         ));
     }
     if query.code_challenge.is_none() {
         return Err(fail_authorisation_with_redirect(
-            &query,
+            query,
             client_config,
             AuthorisationRedirectableError::InvalidRequest,
             "`code_challenge` not specified.".to_owned(),
         ));
     }
-    match query.code_challenge_method.as_ref().map(String::as_str) {
+    match query.code_challenge_method.as_deref() {
         None | Some("S256") | Some("plain") => {
             // OK: supported (None = 'plain')
         }
         _other => {
             return Err(fail_authorisation_with_redirect(
-                &query,
+                query,
                 client_config,
                 AuthorisationRedirectableError::InvalidRequest,
                 "`code_challenge_method` is not supported.".to_owned(),

src/web/oauth_openid/ext_codes.rs

@@ -92,8 +92,8 @@ impl VolatileCodeStoreInner {
     ) -> CodeRedemption {
         if let Some(conflicted) = self.conflictable_codes.get(auth_code) {
             return CodeRedemption::Conflicted {
-                access_token_to_invalidate: conflicted.access_token_hash.clone(),
-                refresh_token_to_invalidate: conflicted.refresh_token_hash.clone(),
+                access_token_to_invalidate: conflicted.access_token_hash,
+                refresh_token_to_invalidate: conflicted.refresh_token_hash,
             };
         }
 
@@ -146,8 +146,8 @@ pub struct VolatileCodeStore {
     inner: Arc<Mutex<VolatileCodeStoreInner>>,
 }
 
-impl VolatileCodeStore {
-    pub fn new() -> Self {
+impl Default for VolatileCodeStore {
+    fn default() -> Self {
         let poke = Arc::new(Notify::new());
         let inner: Arc<Mutex<VolatileCodeStoreInner>> = Default::default();
 
@@ -159,7 +159,9 @@ impl VolatileCodeStore {
 
         VolatileCodeStore { inner, poke }
     }
+}
 
+impl VolatileCodeStore {
     async fn expirer(inner: Arc<Mutex<VolatileCodeStoreInner>>, poke: Arc<Notify>) {
         let mut next_expiry: Option<u64> = None;
         loop {

src/web/oauth_openid/token.rs

@@ -176,17 +176,13 @@ pub async fn oidc_token(
     // so double redemptions can invalidate the access token appropriately.
     let access_token = thread_rng().gen::<AccessToken>();
     let access_token_b64 = BASE64_URL_SAFE_NO_PAD.encode(access_token);
-    let access_token_hash: AccessTokenHash = Blake2s256::digest(&access_token).into();
+    let access_token_hash: AccessTokenHash = Blake2s256::digest(access_token).into();
     let refresh_token = thread_rng().gen::<RefreshToken>();
     let refresh_token_b64 = BASE64_URL_SAFE_NO_PAD.encode(refresh_token);
-    let refresh_token_hash: RefreshTokenHash = Blake2s256::digest(&refresh_token).into();
+    let refresh_token_hash: RefreshTokenHash = Blake2s256::digest(refresh_token).into();
 
     // Redeem the auth code so we can check it and then maybe issue an access token.
-    let binding = match code_store.redeem(
-        &auth_code,
-        access_token_hash.clone(),
-        refresh_token_hash.clone(),
-    ) {
+    let binding = match code_store.redeem(&auth_code, access_token_hash, refresh_token_hash) {
         CodeRedemption::Invalid => {
             return (
                 StatusCode::BAD_REQUEST,
@@ -382,7 +378,7 @@ pub async fn oidc_token(
 }
 
 fn make_id_token(id_token: IdToken, secrets: &SecretConfig) -> eyre::Result<String> {
-    let Ok(serde_json::Value::Object(map)) = serde_json::to_value(&id_token).context("failed to serialise ID Token content") else {
+    let Ok(serde_json::Value::Object(map)) = serde_json::to_value(id_token).context("failed to serialise ID Token content") else {
         bail!("ID Token not a map");
     };