42 lines
1.3 KiB
Rust
42 lines
1.3 KiB
Rust
//! Сборник утилит для работы с Redis.
|
|
|
|
use crate::web_server::app_error::AppError;
|
|
use fred::prelude::*;
|
|
use heapless::String as HeaplessString;
|
|
use lazy_static::lazy_static;
|
|
use regex::Regex;
|
|
use ufmt::uwrite;
|
|
|
|
lazy_static! {
|
|
/// Разрешённые знаки для API ключа.
|
|
static ref ALLOWED_API_KEY_CHARACTERS: Regex = Regex::new("[a-zA-Z0-9]{13}").unwrap();
|
|
}
|
|
|
|
/// Описание полей в KV DB у `apikey_{}`.
|
|
pub struct ApiKeyDescription {
|
|
/// ID владельца API ключа.
|
|
apikey_owner: i64,
|
|
}
|
|
|
|
/// Проверка API ключа на валидность.
|
|
pub async fn is_api_key_valid(
|
|
client: &RedisClient,
|
|
api_key: &str,
|
|
) -> Result<ApiKeyDescription, AppError> {
|
|
if !ALLOWED_API_KEY_CHARACTERS.is_match(api_key) {
|
|
return Err(AppError::ApiKeyInvalid {
|
|
reason: "Invalid characters present in the API key.",
|
|
});
|
|
}
|
|
|
|
let mut key_buffer = HeaplessString::<{ 7 + 13 }>::new();
|
|
uwrite!(key_buffer, "apikey_{}", api_key).expect("TODO"); // TODO: Error handling
|
|
|
|
let valid: Option<i64> = client.hget(key_buffer.as_str(), "owner").await?;
|
|
|
|
valid
|
|
.map(|uid| ApiKeyDescription { apikey_owner: uid })
|
|
.ok_or(AppError::ApiKeyInvalid {
|
|
reason: "Unknown API key",
|
|
})
|
|
}
|