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use crate::prelude::*;
use std::io::{Read as _, Write as _};
use tokio::io::{AsyncReadExt as _, AsyncWriteExt as _};
#[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
pub struct Entry {
pub id: String,
pub name: String,
pub username: Option<String>,
pub password: Option<String>,
pub notes: Option<String>,
}
#[derive(serde::Serialize, serde::Deserialize, Default, Debug)]
pub struct Db {
pub access_token: Option<String>,
pub refresh_token: Option<String>,
pub iterations: Option<u32>,
pub protected_key: Option<String>,
pub entries: Vec<Entry>,
}
impl Db {
pub fn new() -> Self {
Self::default()
}
pub fn load(email: &str) -> Result<Self> {
let mut fh = std::fs::File::open(Self::filename(email))
.context(crate::error::LoadDb)?;
let mut json = String::new();
fh.read_to_string(&mut json).context(crate::error::LoadDb)?;
let slf: Self =
serde_json::from_str(&json).context(crate::error::LoadDbJson)?;
Ok(slf)
}
pub async fn load_async(email: &str) -> Result<Self> {
let mut fh = tokio::fs::File::open(Self::filename(email))
.await
.context(crate::error::LoadDbAsync)?;
let mut json = String::new();
fh.read_to_string(&mut json)
.await
.context(crate::error::LoadDbAsync)?;
let slf: Self =
serde_json::from_str(&json).context(crate::error::LoadDbJson)?;
Ok(slf)
}
// XXX need to make this atomic
pub fn save(&self, email: &str) -> Result<()> {
let filename = Self::filename(email);
// unwrap is safe here because Self::filename is explicitly
// constructed as a filename in a directory
std::fs::create_dir_all(filename.parent().unwrap())
.context(crate::error::SaveDb)?;
let mut fh =
std::fs::File::create(filename).context(crate::error::SaveDb)?;
fh.write_all(
serde_json::to_string(self)
.context(crate::error::SaveDbJson)?
.as_bytes(),
)
.context(crate::error::SaveDb)?;
Ok(())
}
// XXX need to make this atomic
pub async fn save_async(&self, email: &str) -> Result<()> {
let filename = Self::filename(email);
// unwrap is safe here because Self::filename is explicitly
// constructed as a filename in a directory
tokio::fs::create_dir_all(filename.parent().unwrap())
.await
.context(crate::error::SaveDbAsync)?;
let mut fh = tokio::fs::File::create(filename)
.await
.context(crate::error::SaveDbAsync)?;
fh.write_all(
serde_json::to_string(self)
.context(crate::error::SaveDbJson)?
.as_bytes(),
)
.await
.context(crate::error::SaveDbAsync)?;
Ok(())
}
pub fn remove(email: &str) -> Result<()> {
let filename = Self::filename(email);
let res = std::fs::remove_file(filename);
if let Err(e) = &res {
if e.kind() == std::io::ErrorKind::NotFound {
return Ok(());
}
}
res.context(crate::error::RemoveDb)?;
Ok(())
}
pub fn needs_login(&self) -> bool {
self.access_token.is_none()
|| self.refresh_token.is_none()
|| self.iterations.is_none()
|| self.protected_key.is_none()
}
fn filename(email: &str) -> std::path::PathBuf {
crate::dirs::cache_dir().join(format!("{}.json", email))
}
}
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