spawn-access-control 0.1.12

A Rust library for access control management with WebAssembly support, including role-based access control (RBAC), permissions, and audit logging.
Documentation 
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use std::sync::Arc;
use tokio::sync::RwLock;
use crate::error::AccessError;

#[async_trait]
pub trait Ownable {
    async fn get_owner(&self) -> String;
    async fn transfer_ownership(&mut self, new_owner: String) -> Result<(), AccessError>;
    async fn renounce_ownership(&mut self) -> Result<(), AccessError>;
}

pub struct OwnableResource {
    owner: Arc<RwLock<String>>,
    resource_type: String,
    resource_id: String,
}

impl OwnableResource {
    pub fn new(owner: String, resource_type: &str, resource_id: &str) -> Self {
        Self {
            owner: Arc::new(RwLock::new(owner)),
            resource_type: resource_type.to_string(),
            resource_id: resource_id.to_string(),
        }
    }

    pub async fn check_owner(&self, user: &str) -> bool {
        let owner = self.owner.read().await;
        &*owner == user
    }
}

#[async_trait]
impl Ownable for OwnableResource {
    async fn get_owner(&self) -> String {
        self.owner.read().await.clone()
    }

    async fn transfer_ownership(&mut self, new_owner: String) -> Result<(), AccessError> {
        let mut owner = self.owner.write().await;
        if new_owner.is_empty() {
            return Err(AccessError::InvalidOwner);
        }
        *owner = new_owner;
        Ok(())
    }

    async fn renounce_ownership(&mut self) -> Result<(), AccessError> {
        let mut owner = self.owner.write().await;
        *owner = String::new();
        Ok(())
    }
}