clippable/dblib/src/keystore.rs
shockrah 32bf68361d * Moving Keystore related methods into its own module
+ VideoStore Trait designed out
+ comon error types yey
2021-09-27 15:51:19 -07:00

68 lines
2.3 KiB
Rust

use std::collections::HashMap;
use std::fs::File;
use std::io::BufReader;
use std::io::BufWriter;
use crate::{err, DB, dev_urandom, KeyStore};
use crate::ApiKey;
impl KeyStore for DB {
fn new_entry(filename: String, name: String) -> err::Result<String> {
//! Create a new API key entry in the data-store given by <filename>
//! Key value is generated via /dev/urandom on unix systems
let file = File::open(filename.as_str())?;
let reader = BufReader::new(file);
let mut data: DB = serde_json::from_reader(reader)?;
// Generate some new key data
let key = dev_urandom().unwrap(); // create a new key
let entry = ApiKey { key: key.clone(), name };
// Finally write back the data to the structure and disk
data.keys.push(entry);
let file = File::open(filename.as_str())?;
let writer = BufWriter::new(file);
serde_json::to_writer(writer, &data)?;
Ok(key)
}
fn remove_entry(filename: String, name: String) -> err::Result<bool> {
//! Removes the API key entry based on the given name
let file = File::open(filename.as_str())?;
let reader = BufReader::new(file);
let mut data: DB = serde_json::from_reader(reader)?;
let idx = data.keys.iter().position(|item| item.name == name);
if let Some(idx) = idx {
data.keys.remove(idx);
Ok(true)
} else {
Ok(false)
}
}
fn get_entry(filename: String, name: String) -> err::Result<Option<String>> {
//! Get the API key based on name
let file = File::open(filename.as_str())?;
let reader = BufReader::new(file);
let data: DB = serde_json::from_reader(reader)?;
// WARNING: extreme autism
match data.keys.iter().find(|item| item.name == name) {
Some(item) => Ok(Some(item.key.clone())),
None => Ok(None)
}
}
fn new_store(filename: String) -> err::Result<()> {
//! Generate a new empty data store with the given filename
//! NOTE: The filename must include the extension(programmatically)
let file = File::create(filename)?;
let empty = DB { keys: vec![] , videos: HashMap::new() };
let writer = BufWriter::new(file);
serde_json::to_writer(writer, &empty)?;
Ok(())
}
}