sd-credentials/src/lib.rs

79 lines
2.8 KiB
Rust

#[cfg(feature = "secret-vault")]
use std::collections::HashMap;
use std::path::Path;
#[cfg(feature = "secret-vault")]
use secret_vault::{
errors::SecretVaultError, SecretMetadata, SecretSource, SecretVaultRef, SecretVaultResult,
};
#[cfg(feature = "secret-vault")]
use secrecy::ExposeSecret;
use secrecy::Secret;
#[derive(Debug)]
pub struct CredentialLoader(cap_std::fs::Dir);
impl CredentialLoader {
pub fn new() -> Option<Self> {
let credential_directory = std::env::var_os("CREDENTIALS_DIRECTORY")?;
let dir = std::fs::File::open(credential_directory).ok()?;
let dir = cap_std::fs::Dir::from_std_file(dir);
Some(Self(dir))
}
pub fn get_file<P: AsRef<Path>>(&self, credential: P) -> std::io::Result<cap_std::fs::File> {
self.0.open(credential)
}
pub fn get<P: AsRef<Path>>(&self, credential: P) -> std::io::Result<Secret<Vec<u8>>> {
Ok(Secret::from(self.0.read(credential)?))
}
}
#[cfg(feature = "secret-vault")]
#[async_trait::async_trait]
impl SecretSource for CredentialLoader {
fn name(&self) -> String {
"CredentialLoader".to_string()
}
async fn get_secrets(
&self,
references: &[SecretVaultRef],
) -> SecretVaultResult<HashMap<SecretVaultRef, secret_vault::Secret>> {
let mut result_map: HashMap<SecretVaultRef, secret_vault::Secret> = HashMap::default();
for secret_ref in references {
let secret_name = secret_ref.key.secret_name.as_ref();
let secret_version = secret_ref
.key
.secret_version
.as_ref()
.map(|sv| format!("_v{sv}"))
.unwrap_or_default();
let secret_file_name = format!("{secret_name}{secret_version}");
match self.get(secret_file_name) {
Ok(secret_value) => {
let secret_value = secret_vault_value::SecretValue::new(secret_value.expose_secret().clone());
let metadata = SecretMetadata::create_from_ref(secret_ref);
result_map.insert(secret_ref.clone(), secret_vault::Secret::new(secret_value, metadata));
}
Err(err) if secret_ref.required => {
return Err(SecretVaultError::DataNotFoundError(
secret_vault::errors::SecretVaultDataNotFoundError::new(
secret_vault::errors::SecretVaultErrorPublicGenericDetails::new("SECRET_NOT_FOUND".into()),
format!(
"Secret is required but corresponding file is not available {secret_file_name:?}: {err}"
))
))
}
Err(_err) => {}
}
}
todo!();
}
}