Files
termscp/src/system/keys/mod.rs
ChristianVisintin 0e4caaecfd Keyring storage
2021-01-16 16:07:11 +01:00

91 lines
2.6 KiB
Rust

//! ## KeyStorage
//!
//! `keystorage` provides the trait to manipulate to a KeyStorage
/*
*
* Copyright (C) 2020-2021 Christian Visintin - christian.visintin1997@gmail.com
*
* This file is part of "TermSCP"
*
* TermSCP is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* TermSCP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Storages
pub mod filestorage;
#[cfg(any(target_os = "windows", target_os = "macos"))]
pub mod keyringstorage;
/// ## KeyStorageError
///
/// defines the error type for the `KeyStorage`
#[derive(PartialEq, std::fmt::Debug)]
pub enum KeyStorageError {
//BadKey,
ProviderError,
NoSuchKey,
}
impl std::fmt::Display for KeyStorageError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
let err: String = String::from(match &self {
//KeyStorageError::BadKey => "Bad key syntax",
KeyStorageError::ProviderError => "Provider service error",
KeyStorageError::NoSuchKey => "No such key",
});
write!(f, "{}", err)
}
}
/// ## KeyStorage
///
/// this traits provides the methods to communicate and interact with the key storage.
pub trait KeyStorage {
/// ### get_key
///
/// Retrieve key from the key storage.
/// The key might be acccess through an identifier, which identifies
/// the key in the storage
fn get_key(&self, storage_id: &str) -> Result<String, KeyStorageError>;
/// ### set_key
///
/// Set the key into the key storage
fn set_key(&self, storage_id: &str, key: &str) -> Result<(), KeyStorageError>;
/// is_supported
///
/// Returns whether the key storage is supported on the host system
fn is_supported(&self) -> bool;
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_system_keys_mod_errors() {
assert_eq!(
format!("{}", KeyStorageError::ProviderError),
String::from("Provider service error")
);
assert_eq!(
format!("{}", KeyStorageError::NoSuchKey),
String::from("No such key")
);
}
}