Bug fix and code cleanup

src/callers/common.rs

@@ -1,30 +1,37 @@
-use axum::{Extension, Json, http::StatusCode};
-
+pub mod response {
     use serde::{Deserialize, Serialize};
 
     #[derive(Deserialize, Serialize)]
     pub struct TestResult {
-    message: String,
+        pub message: String,
     }
+}
+
+pub mod endpoint {
+    use super::*;
+    use axum::{Extension, Json, http::StatusCode};
 
     // basic handler that responds with a static string
     pub async fn root() -> &'static str {
         "Hello, World!"
     }
 
-pub async fn db_ping(Extension(pool): Extension<sqlx::PgPool>) -> (StatusCode, Json<TestResult>) {
+    pub async fn db_ping(
+        Extension(pool): Extension<sqlx::PgPool>,
+    ) -> (StatusCode, Json<response::TestResult>) {
         match sqlx::query("SELECT 1").execute(&pool).await {
             Ok(_) => {
-            let tr = TestResult {
+                let tr = response::TestResult {
                     message: String::from("This works"),
                 };
                 (StatusCode::OK, Json(tr))
             }
             Err(e) => (
                 StatusCode::BAD_REQUEST,
-            Json(TestResult {
+                Json(response::TestResult {
                     message: e.to_string(),
                 }),
             ),
         }
     }
+}

src/callers/login.rs

@@ -45,20 +45,10 @@ pub mod endpoint {
         // Check if user exists
         match repo::user::get(&pool, &payload.username).await {
             Ok(user) => {
-                let salt = repo::salt::get(&pool, &user.salt_id).await.unwrap();
-                let salt_str = hashing::get_salt(&salt.salt).unwrap();
-                let unhashed_password = payload.password;
-
-                // Check if password is correct
-                match hashing::hash_password(&unhashed_password, &salt_str) {
-                    Ok(hash_password) => {
-                        if hashing::verify_password(&unhashed_password, hash_password.clone())
-                            .unwrap()
-                        {
+                if hashing::verify_password(&payload.password, user.password.clone()).unwrap() {
                     // Create token
                     let key = token_stuff::get_key().unwrap();
-                            let (token_literal, duration) =
-                                token_stuff::create_token(&key).unwrap();
+                    let (token_literal, duration) = token_stuff::create_token(&key).unwrap();
 
                     if token_stuff::verify_token(&key, &token_literal) {
                         (
@@ -86,9 +76,4 @@ pub mod endpoint {
             }
         }
     }
-            Err(err) => {
-                return not_found(&err.to_string()).await;
-            }
-        }
-    }
 }

src/hashing/mod.rs

@@ -11,8 +11,7 @@ use argon2::{
 pub fn generate_salt() -> Result<SaltString, argon2::Error> {
     // Generate a random salt
     // SaltString::generate uses OsRng internally for cryptographic security
-    let salt = SaltString::generate(&mut OsRng);
-    Ok(salt)
+    Ok(SaltString::generate(&mut OsRng))
 }
 
 pub fn get_salt(s: &str) -> Result<SaltString, argon2::password_hash::Error> {
@@ -32,9 +31,7 @@ pub fn hash_password(
     // Hash the password with the salt
     // The output is a PasswordHash string format that includes algorithm, version,
     // parameters, salt, and the hash itself.
-    let password_hash = argon2.hash_password(password_bytes, salt)?.to_string();
-
-    Ok(password_hash)
+    Ok(argon2.hash_password(password_bytes, salt)?.to_string())
 }
 
 pub fn verify_password(
@@ -48,11 +45,9 @@ pub fn verify_password(
     let parsed_hash = argon2::PasswordHash::new(stored_hash.as_str())?;
 
     // Create an Argon2 instance (it will use the parameters from the parsed hash)
-    let argon2 = Argon2::default();
-
     // Verify the password against the parsed hash
     // This automatically uses the correct salt and parameters embedded in `parsed_hash`
-    match argon2.verify_password(password_bytes, &parsed_hash) {
+    match Argon2::default().verify_password(password_bytes, &parsed_hash) {
         Ok(()) => Ok(true),                                       // Passwords match
         Err(argon2::password_hash::Error::Password) => Ok(false), // Passwords don't match
         Err(e) => Err(e), // Some other error occurred (e.g., invalid hash format)
@@ -66,8 +61,7 @@ mod tests {
     #[test]
     fn test_hash_password() {
         let some_password = String::from("somethingrandom");
-        let salt = generate_salt().unwrap();
-        match hash_password(&some_password, &salt) {
+        match hash_password(&some_password, &generate_salt().unwrap()) {
             Ok(p) => match verify_password(&some_password, p.clone()) {
                 Ok(res) => {
                     assert_eq!(res, true);
@@ -81,4 +75,27 @@ mod tests {
             }
         }
     }
+
+    #[test]
+    fn test_wrong_password() {
+        let some_password = String::from("somethingrandom");
+        match hash_password(&some_password, &generate_salt().unwrap()) {
+            Ok(p) => {
+                match verify_password(&some_password, p.clone()) {
+                    Ok(res) => {
+                        assert_eq!(res, true, "Passwords are not verified");
+                    }
+                    Err(err) => {
+                        assert!(false, "Error: {:?}", err.to_string());
+                    }
+                }
+                let wrong_password = String::from("Differentanotherlevel");
+                let result = verify_password(&wrong_password, p.clone()).unwrap();
+                assert_eq!(false, result, "Passwords should not match");
+            }
+            Err(err) => {
+                assert!(false, "Error: {:?}", err.to_string());
+            }
+        }
+    }
 }

src/main.rs

@@ -25,8 +25,14 @@ mod init {
     pub async fn routes() -> Router {
         // build our application with a route
         Router::new()
-            .route(callers::endpoints::DBTEST, get(callers::common::db_ping))
-            .route(callers::endpoints::ROOT, get(callers::common::root))
+            .route(
+                callers::endpoints::DBTEST,
+                get(callers::common::endpoint::db_ping),
+            )
+            .route(
+                callers::endpoints::ROOT,
+                get(callers::common::endpoint::root),
+            )
             .route(
                 callers::endpoints::REGISTER,
                 post(callers::register::register_user),