remove redundant explicit returns, rustfmt

src/api/core/two_factor/duo_oidc.rs

@@ -6,21 +6,18 @@ use ring::digest::{digest, Digest, SHA512_256};
 use serde::Serialize;
 use std::collections::HashMap;
 
-use url::Url;
 use crate::{
     api::{core::two_factor::duo::get_duo_keys_email, EmptyResult},
     crypto,
-    db::{models::{
-            EventType,
-            TwoFactorDuoContext,
-        },
-         DbConn,
-         DbPool,
+    db::{
+        models::{EventType, TwoFactorDuoContext},
+        DbConn, DbPool,
     },
     error::Error,
     util::get_reqwest_client,
     CONFIG,
 };
+use url::Url;
 
 // State length must be at least 16 characters and at most 1024 characters.
 const STATE_LENGTH: usize = 64;
@@ -128,10 +125,9 @@ struct DuoClient {
 }
 
 impl DuoClient {
-
     // Construct a new DuoClient
     fn new(client_id: String, client_secret: String, api_host: String, redirect_uri: String) -> DuoClient {
-        return DuoClient {
+        DuoClient {
             client_id,
             client_secret,
             api_host,
@@ -254,7 +250,7 @@ impl DuoClient {
         }
 
         let final_auth_url = auth_url.to_string();
-        return Ok(final_auth_url);
+        Ok(final_auth_url)
     }
 
     // Exchange the authorization code obtained from an access token provided by the user
@@ -345,12 +341,12 @@ struct DuoAuthContext {
 async fn extract_context(state: &str, conn: &mut DbConn) -> Option<DuoAuthContext> {
     let ctx: TwoFactorDuoContext = match TwoFactorDuoContext::find_by_state(state, conn).await {
         Some(c) => c,
-        None => return None
+        None => return None,
     };
 
     if ctx.exp < Utc::now().timestamp() {
         ctx.delete(conn).await.ok();
-        return None
+        return None;
     }
 
     // Copy the context data, so that we can delete the context from
@@ -363,7 +359,7 @@ async fn extract_context(state: &str, conn: &mut DbConn) -> Option<DuoAuthContex
     };
 
     ctx.delete(conn).await.ok();
-    return Some(ret_ctx)
+    Some(ret_ctx)
 }
 
 // Task to clean up expired Duo authentication contexts that may have accumulated in the database.
@@ -400,15 +396,17 @@ fn make_callback_url(client_name: &str) -> Result<String, Error> {
         let mut query_params = callback.query_pairs_mut();
         query_params.append_pair("client", client_name);
     }
-    return Ok(callback.to_string());
+    Ok(callback.to_string())
 }
 
 // Pre-redirect first stage of the Duo WebSDKv4 authentication flow.
 // Returns the "AuthUrl" that should be returned to clients for MFA.
-pub async fn get_duo_auth_url(email: &str,
+pub async fn get_duo_auth_url(
+    email: &str,
     client_id: &String,
     device_identifier: &String,
-                              conn: &mut DbConn) -> Result<String, Error> {
+    conn: &mut DbConn,
+) -> Result<String, Error> {
     let (ik, sk, _, host) = get_duo_keys_email(email, conn).await?;
 
     let callback_url = match make_callback_url(client_id.as_str()) {
@@ -434,7 +432,7 @@ pub async fn get_duo_auth_url(email: &str,
 
     match TwoFactorDuoContext::save(state.as_str(), email, nonce.as_str(), CTX_VALIDITY_SECS, conn).await {
         Ok(()) => client.make_authz_req_url(email, state, hash),
-        Err(e) => err!(format!("Error saving Duo authentication context: {e:?}"))
+        Err(e) => err!(format!("Error saving Duo authentication context: {e:?}")),
     }
 }
 

src/api/identity.rs

@@ -502,7 +502,9 @@ async fn twofactor_auth(
 
     let twofactor_code = match data.two_factor_token {
         Some(ref code) => code,
-        None => err_json!(_json_err_twofactor(&twofactor_ids, &user.uuid, &data, conn).await?, "2FA token not provided"),
+        None => {
+            err_json!(_json_err_twofactor(&twofactor_ids, &user.uuid, &data, conn).await?, "2FA token not provided")
+        }
     };
 
     let selected_twofactor = twofactors.into_iter().find(|tf| tf.atype == selected_id && tf.enabled);
@@ -526,11 +528,14 @@ async fn twofactor_auth(
                 }
                 false => {
                     // OIDC based flow
-                    duo_oidc::validate_duo_login(data.username.as_ref().unwrap().trim(),
+                    duo_oidc::validate_duo_login(
+                        data.username.as_ref().unwrap().trim(),
                         twofactor_code,
                         data.client_id.as_ref().unwrap(),
                         data.device_identifier.as_ref().unwrap(),
-                                                 conn).await?
+                        conn,
+                    )
+                    .await?
                 }
             }
         }
@@ -573,7 +578,12 @@ fn _selected_data(tf: Option<TwoFactor>) -> ApiResult<String> {
     tf.map(|t| t.data).map_res("Two factor doesn't exist")
 }
 
-async fn _json_err_twofactor(providers: &[i32], user_uuid: &str, data: &ConnectData, conn: &mut DbConn) -> ApiResult<Value> {
+async fn _json_err_twofactor(
+    providers: &[i32],
+    user_uuid: &str,
+    data: &ConnectData,
+    conn: &mut DbConn,
+) -> ApiResult<Value> {
     let mut result = json!({
         "error" : "invalid_grant",
         "error_description" : "Two factor required.",
@@ -609,10 +619,13 @@ async fn _json_err_twofactor(providers: &[i32], user_uuid: &str, data: &ConnectD
                     }
                     false => {
                         // OIDC based flow
-                        let auth_url = duo_oidc::get_duo_auth_url(&email,
+                        let auth_url = duo_oidc::get_duo_auth_url(
+                            &email,
                             data.client_id.as_ref().unwrap(),
                             data.device_identifier.as_ref().unwrap(),
-                                                                  conn).await?;
+                            conn,
+                        )
+                        .await?;
 
                         result["TwoFactorProviders2"][provider.to_string()] = json!({
                         "AuthUrl": auth_url,

src/db/models/two_factor_duo_context.rs

@@ -27,17 +27,11 @@ impl TwoFactorDuoContext {
         }
     }
 
-    pub async fn save(
-        state: &str,
-        user_email: &str,
-        nonce: &str,
-        ttl: i64,
-        conn: &mut DbConn,
-    ) -> EmptyResult {
+    pub async fn save(state: &str, user_email: &str, nonce: &str, ttl: i64, conn: &mut DbConn) -> EmptyResult {
         // A saved context should never be changed, only created or deleted.
         let exists = Self::find_by_state(state, conn).await;
         if exists.is_some() {
-            return Ok(())
+            return Ok(());
         };
 
         let exp = Utc::now().timestamp() + ttl;

src/main.rs

@@ -51,6 +51,7 @@ mod mail;
 mod ratelimit;
 mod util;
 
+use crate::api::core::two_factor::duo_oidc::purge_duo_contexts;
 use crate::api::purge_auth_requests;
 use crate::api::{WS_ANONYMOUS_SUBSCRIPTIONS, WS_USERS};
 pub use config::CONFIG;
@@ -58,7 +59,6 @@ pub use error::{Error, MapResult};
 use rocket::data::{Limits, ToByteUnit};
 use std::sync::Arc;
 pub use util::is_running_in_container;
-use crate::api::core::two_factor::duo_oidc::purge_duo_contexts;
 
 #[rocket::main]
 async fn main() -> Result<(), Error> {
@@ -586,9 +586,7 @@ fn schedule_jobs(pool: db::DbPool) {
             }
 
             // Clean unused, expired Duo authentication contexts.
-            if !CONFIG.duo_context_purge_schedule().is_empty()
-                && CONFIG._enable_duo()
-                && !CONFIG.duo_use_iframe() {
+            if !CONFIG.duo_context_purge_schedule().is_empty() && CONFIG._enable_duo() && !CONFIG.duo_use_iframe() {
                 sched.add(Job::new(CONFIG.duo_context_purge_schedule().parse().unwrap(), || {
                     runtime.spawn(purge_duo_contexts(pool.clone()));
                 }));