More clippy fixes

Cargo.toml

@@ -11,6 +11,14 @@ strip = true
 [workspace]
 members = [".", "migration", "entity", "cryptography"]
 
+[workspace.lints.clippy]
+pedantic = "warn"
+all = "warn"
+nursery = "warn"
+
+[lints]
+workspace = true
+
 [dependencies]
 ahash = "0.8.3"
 anyhow = "1"

cryptography/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[lints]
+workspace = true
+
 [dependencies]
 sha2 = "0.10"
 scrypt = { version = "0.11", default-features = false, features = ["std"] }

cryptography/src/account.rs

@@ -12,8 +12,9 @@ pub struct Cipher {
 impl Cipher {
     /// Creates a new cipher from a master password and the salt
     #[inline]
+    #[must_use]
     pub fn new(password: &[u8], salt: &[u8]) -> Self {
-        let key = pbkdf2_hmac_array::<Sha256, 32>(password, salt, 480000);
+        let key = pbkdf2_hmac_array::<Sha256, 32>(password, salt, 480_000);
 
         Self {
             chacha: ChaCha20Poly1305::new(&key.into()),
@@ -33,11 +34,12 @@ impl Cipher {
     #[inline]
     pub fn decrypt(&self, value: &[u8]) -> crate::Result<Vec<u8>> {
         let (data, nonce) = value.split_at(value.len() - 12);
+
         self.chacha.decrypt(nonce.into(), data).map_err(Into::into)
     }
 }
 
-pub trait AccountFromUnencryptedExt {
+pub trait FromUnencryptedExt {
     fn from_unencrypted(
         user_id: u64,
         name: String,
@@ -47,8 +49,8 @@ pub trait AccountFromUnencryptedExt {
     ) -> crate::Result<account::ActiveModel>;
 }
 
-impl AccountFromUnencryptedExt for account::ActiveModel {
-    /// Encryptes the provided data by the master password and creates the ActiveModel with all fields set to Set variant
+impl FromUnencryptedExt for account::ActiveModel {
+    /// Encryptes the provided data by the master password and creates the `ActiveModel` with all fields set to Set variant
     #[inline]
     fn from_unencrypted(
         user_id: u64,

cryptography/src/hashing.rs

@@ -11,6 +11,8 @@ static PARAMS: Lazy<Params> = Lazy::new(|| Params::new(14, 8, 1, HASH_LENGTH).un
 
 /// Hashes the bytes with Scrypt with the given salt
 #[inline]
+#[must_use]
+#[allow(clippy::missing_panics_doc)]
 pub fn hash_scrypt(bytes: &[u8], salt: &[u8]) -> [u8; HASH_LENGTH] {
     let mut hash = [0; HASH_LENGTH];
     scrypt(bytes, salt, &PARAMS, &mut hash).unwrap();
@@ -29,6 +31,7 @@ where
 
 impl HashedBytes<[u8; HASH_LENGTH], [u8; SALT_LENGTH]> {
     #[inline]
+    #[must_use]
     pub fn new(bytes: &[u8]) -> Self {
         let mut salt = [0; 64];
         OsRng.fill_bytes(&mut salt);
@@ -45,6 +48,7 @@ where
     U: AsRef<[u8]>,
 {
     #[inline]
+    #[must_use]
     pub fn verify(&self, bytes: &[u8]) -> bool {
         let hash = hash_scrypt(bytes, self.salt.as_ref());
         hash.ct_eq(self.hash.as_ref()).into()

cryptography/src/lib.rs

@@ -1,4 +1,5 @@
 //! Functions to encrypt the database models
+#![allow(clippy::missing_errors_doc)]
 
 pub mod account;
 pub mod hashing;

cryptography/src/master_pass.rs

@@ -2,12 +2,12 @@ use super::hashing::HashedBytes;
 use entity::master_pass;
 use sea_orm::ActiveValue::Set;
 
-pub trait MasterPassFromUnencryptedExt {
+pub trait FromUnencryptedExt {
     fn from_unencrypted(user_id: u64, password: &str) -> master_pass::ActiveModel;
 }
 
-impl MasterPassFromUnencryptedExt for master_pass::ActiveModel {
-    /// Hashes the password and creates an ActiveModel with all fields set to Set variant
+impl FromUnencryptedExt for master_pass::ActiveModel {
+    /// Hashes the password and creates an `ActiveModel` with all fields set to Set variant
     #[inline]
     fn from_unencrypted(user_id: u64, password: &str) -> Self {
         let hash = HashedBytes::new(password.as_bytes());

cryptography/src/passwords.rs

@@ -25,6 +25,7 @@ bitflags::bitflags! {
 /// Returns true if the generated master password is valid.
 /// It checks that it has at least one lowercase, one uppercase, one number and one punctuation char
 #[inline]
+#[must_use]
 fn check_generated_password<const LENGTH: usize>(password: &[u8; LENGTH]) -> bool {
     let mut flags = PasswordFlags::empty();
     for &byte in password {
@@ -33,7 +34,7 @@ fn check_generated_password<const LENGTH: usize>(password: &[u8; LENGTH]) -> boo
             b'A'..=b'Z' => flags |= PasswordFlags::UPPERCASE,
             b'0'..=b'9' => flags |= PasswordFlags::NUMBER,
             b'!'..=b'/' | b':'..=b'@' | b'['..=b'`' | b'{'..=b'~' => {
-                flags |= PasswordFlags::SPECIAL_CHARACTER
+                flags |= PasswordFlags::SPECIAL_CHARACTER;
             }
             _ => (),
         }
@@ -46,6 +47,7 @@ fn check_generated_password<const LENGTH: usize>(password: &[u8; LENGTH]) -> boo
 
 /// Continuously generates the password until it passes the checks
 #[inline]
+#[must_use]
 fn generate_password<R, const LENGTH: usize>(rng: &mut R) -> ArrayString<LENGTH>
 where
     R: Rng + CryptoRng,
@@ -59,6 +61,8 @@ where
 }
 
 #[inline]
+#[must_use]
+#[allow(clippy::module_name_repetitions)]
 pub fn generate_passwords<const AMOUNT: usize, const LENGTH: usize>(
 ) -> [ArrayString<LENGTH>; AMOUNT] {
     let mut rng = thread_rng();
@@ -66,6 +70,7 @@ pub fn generate_passwords<const AMOUNT: usize, const LENGTH: usize>(
 }
 
 #[inline]
+#[must_use]
 pub fn check_master_pass(password: &str) -> PasswordValidity {
     let mut count = 0;
     let mut chars = password.chars();
@@ -74,13 +79,13 @@ pub fn check_master_pass(password: &str) -> PasswordValidity {
     for char in &mut chars {
         count += 1;
         if char.is_lowercase() {
-            flags.remove(PasswordValidity::NO_LOWERCASE)
+            flags.remove(PasswordValidity::NO_LOWERCASE);
         } else if char.is_uppercase() {
-            flags.remove(PasswordValidity::NO_UPPERCASE)
+            flags.remove(PasswordValidity::NO_UPPERCASE);
         } else if char.is_ascii_digit() {
-            flags.remove(PasswordValidity::NO_NUMBER)
+            flags.remove(PasswordValidity::NO_NUMBER);
         } else if char.is_ascii_punctuation() {
-            flags.remove(PasswordValidity::NO_SPECIAL_CHARACTER)
+            flags.remove(PasswordValidity::NO_SPECIAL_CHARACTER);
         }
 
         if flags == PasswordValidity::TOO_SHORT {
@@ -90,7 +95,7 @@ pub fn check_master_pass(password: &str) -> PasswordValidity {
     }
 
     if count >= 8 {
-        flags.remove(PasswordValidity::TOO_SHORT)
+        flags.remove(PasswordValidity::TOO_SHORT);
     }
 
     flags
@@ -102,6 +107,6 @@ mod tests {
 
     #[test]
     fn chars_must_be_ascii() {
-        assert!(CHARS.is_ascii())
+        assert!(CHARS.is_ascii());
     }
 }

cryptography/src/prelude.rs

@@ -1,2 +1,2 @@
-pub use crate::account::*;
-pub use crate::master_pass::*;
+pub use crate::account::{DecryptAccountExt as _, FromUnencryptedExt as _};
+pub use crate::master_pass::FromUnencryptedExt as _;

entity/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[lints]
+workspace = true
+
 [dependencies]
 futures = "0.3"
 sea-orm = "0.12"

entity/src/account.rs

@@ -56,7 +56,7 @@ impl Entity {
     #[inline]
     pub async fn exists(
         user_id: u64,
-        account_name: impl Into<String>,
+        account_name: impl Into<String> + Send,
         db: &DatabaseConnection,
     ) -> crate::Result<bool> {
         let count = Self::find_by_id((user_id, account_name.into()))
@@ -69,7 +69,7 @@ impl Entity {
     #[inline]
     pub async fn get(
         user_id: u64,
-        account_name: impl Into<String>,
+        account_name: impl Into<String> + Send,
         db: &DatabaseConnection,
     ) -> crate::Result<Option<Model>> {
         Self::find_by_id((user_id, account_name.into()))

entity/src/lib.rs

@@ -1,3 +1,6 @@
+// This is fine, because all errors can only be caused by the database errors and the docs would get repetative very quickly
+#![allow(clippy::missing_errors_doc)]
+
 pub mod account;
 pub mod master_pass;
 pub mod prelude;

migration/Cargo.toml

@@ -3,6 +3,9 @@ name = "migration"
 version = "0.2.0"
 edition = "2021"
 
+[lints]
+workspace = true
+
 [dependencies.sea-orm-migration]
 version = "0.12"
 features = ["runtime-tokio-rustls", "sqlx-mysql"]

src/callbacks/alter.rs

@@ -1,6 +1,7 @@
 use super::AlterableField::{self, Login, Name, Pass};
 use crate::{change_state, prelude::*};
 use account::ActiveModel;
+use cryptography::account::Cipher;
 use futures::TryFutureExt;
 use sea_orm::ActiveValue::Set;
 use tokio::{task::spawn_blocking, try_join};

src/commands/get_accounts.rs

@@ -12,15 +12,16 @@ pub async fn get_accounts(
 ) -> crate::Result<()> {
     let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
     let mut account_names = Account::get_names(user_id, &db).await?;
-    let mut text = match account_names.try_next().await? {
-        Some(name) => format!("Accounts:\n`{name}`"),
-        None => {
-            bot.send_message(msg.chat.id, "No accounts found")
-                .reply_markup(deletion_markup())
-                .await?;
-            return Ok(());
-        }
+
+    let mut text = if let Some(name) = account_names.try_next().await? {
+        format!("Accounts:\n`{name}`")
+    } else {
+        bot.send_message(msg.chat.id, "No accounts found")
+            .reply_markup(deletion_markup())
+            .await?;
+        return Ok(());
     };
+
     account_names
         .map_err(crate::Error::from)
         .try_for_each(|name| {
@@ -28,6 +29,7 @@ pub async fn get_accounts(
             future::ready(result)
         })
         .await?;
+
     bot.send_message(msg.chat.id, text)
         .parse_mode(ParseMode::MarkdownV2)
         .reply_markup(deletion_markup())

src/main.rs

@@ -1,5 +1,5 @@
-#![warn(clippy::pedantic, clippy::all, clippy::nursery)]
-#![allow(clippy::single_match_else)]
+// #![warn(clippy::pedantic, clippy::all, clippy::nursery)]
+// #![allow(clippy::single_match_else)]
 
 mod callbacks;
 mod commands;

src/state/generic.rs

@@ -26,15 +26,12 @@ where
         return Err(HandlerUsed.into());
     }
 
-    let text = match msg.text() {
-        Some(text) => text.trim(),
-        None => {
-            handler
-                .previous
-                .alter_message(&bot, no_text_message, None, None)
-                .await?;
-            return Ok(());
-        }
+    let Some(text) = msg.text().map(str::trim) else {
+        handler
+            .previous
+            .alter_message(&bot, no_text_message, None, None)
+            .await?;
+        return Ok(());
     };
 
     if text == "/cancel" {

src/state/get_master_pass.rs

@@ -11,21 +11,17 @@ async fn check_master_pass(
     master_pass: &str,
 ) -> crate::Result<Option<String>> {
     let user_id = msg.from().ok_or(NoUserInfo)?.id.0;
-    let model = MasterPass::get(user_id, db).await?;
+    let Some(model) = MasterPass::get(user_id, db).await? else {
+        error!("User was put into the GetMasterPass state with no master password set");
+        return Ok(Some(
+            "No master password set. Use /cancel and set it by using /set_master_pass".to_owned(),
+        ));
+    };
 
-    let is_valid = match model {
-        Some(model) => {
-            let hash: HashedBytes<_, _> = model.into();
-            let master_pass = master_pass.to_owned();
-            spawn_blocking(move || hash.verify(master_pass.as_bytes())).await?
-        }
-        None => {
-            error!("User was put into the GetMasterPass state with no master password set");
-            return Ok(Some(
-                "No master password set. Use /cancel and set it by using /set_master_pass"
-                    .to_owned(),
-            ));
-        }
+    let is_valid = {
+        let hash = HashedBytes::from(model);
+        let master_pass = master_pass.to_owned();
+        spawn_blocking(move || hash.verify(master_pass.as_bytes())).await?
     };
 
     if !is_valid {