argon2_async/
error.rs

1use std::fmt::{Debug, Display, Formatter};
2use tokio::task::JoinError;
3
4#[derive(Debug)]
5#[non_exhaustive]
6/// All possible errors that can happen.
7pub enum Error {
8    /// An error was encountered while waiting for a background thread to complete.
9    Join(JoinError),
10    /// The underlying Argon2 hashing implementation threw an error.
11    Argon(argon2::Error),
12    /// The password string handling library threw an error
13    PasswordHash(password_hash::Error),
14    /// The global configuration has not been set.
15    MissingConfig,
16}
17
18impl Display for Error {
19    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
20        f.write_str("error while hashing: ")?;
21        match self {
22            Error::Join(e) => write!(f, "tokio background thread errored: {}", e),
23            Error::Argon(e) => write!(f, "error in argon2 hashing algorithm: {}", e),
24            Error::PasswordHash(e) => write!(f, "error in password handling lib: {}", e),
25            Error::MissingConfig => f.write_str("global configuration has not been set"),
26        }
27    }
28}
29
30impl std::error::Error for Error {}
31
32impl From<JoinError> for Error {
33    fn from(e: JoinError) -> Self {
34        Self::Join(e)
35    }
36}
37
38impl From<argon2::Error> for Error {
39    fn from(e: argon2::Error) -> Self {
40        Self::Argon(e)
41    }
42}
43
44impl From<password_hash::Error> for Error {
45    fn from(e: password_hash::Error) -> Self {
46        Self::PasswordHash(e)
47    }
48}
argon2_async/error.rs

argon2_async/
error.rs
