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use crate::types::CBytes; pub trait Authenticator: Clone + Send + Sync { fn get_auth_token(&self) -> CBytes; fn get_cassandra_name(&self) -> Option<&str>; } #[derive(Debug, Clone)] #[deprecated( since = "2.1.0", note = "`PasswordAuthenticator` is deprecated in favour of `StaticPasswordAuthenticator` because the second one doesn't require static lifetime for credentials thus it's easier to use." )] pub struct PasswordAuthenticator<'a> { username: &'a str, password: &'a str, } #[allow(deprecated)] impl<'a> PasswordAuthenticator<'a> { pub fn new<'b>(username: &'b str, password: &'b str) -> PasswordAuthenticator<'b> { PasswordAuthenticator { username: username, password: password, } } } #[allow(deprecated)] impl<'a> Authenticator for PasswordAuthenticator<'a> { fn get_auth_token(&self) -> CBytes { let mut token = vec![0]; token.extend_from_slice(self.username.as_bytes()); token.push(0); token.extend_from_slice(self.password.as_bytes()); CBytes::new(token) } fn get_cassandra_name(&self) -> Option<&str> { Some("org.apache.cassandra.auth.PasswordAuthenticator") } } #[derive(Debug, Clone)] pub struct StaticPasswordAuthenticator { username: String, password: String, } impl StaticPasswordAuthenticator { pub fn new<S: ToString>(username: S, password: S) -> StaticPasswordAuthenticator { StaticPasswordAuthenticator { username: username.to_string(), password: password.to_string(), } } } impl Authenticator for StaticPasswordAuthenticator { fn get_auth_token(&self) -> CBytes { let mut token = vec![0]; token.extend_from_slice(self.username.as_bytes()); token.push(0); token.extend_from_slice(self.password.as_bytes()); CBytes::new(token) } fn get_cassandra_name(&self) -> Option<&str> { Some("org.apache.cassandra.auth.PasswordAuthenticator") } } #[derive(Debug, Clone)] pub struct NoneAuthenticator; impl Authenticator for NoneAuthenticator { fn get_auth_token(&self) -> CBytes { CBytes::new(vec![0]) } fn get_cassandra_name(&self) -> Option<&str> { None } } #[cfg(test)] #[allow(deprecated)] mod tests { use super::*; #[test] fn test_password_authenticator_trait_impl() { let authenticator = PasswordAuthenticator::new("a", "a"); let _ = authenticator_tester(Box::new(authenticator)); } #[test] fn test_password_authenticator_new() { PasswordAuthenticator::new("foo", "bar"); } #[test] fn test_password_authenticator_get_cassandra_name() { let auth = PasswordAuthenticator::new("foo", "bar"); assert_eq!( auth.get_cassandra_name(), Some("org.apache.cassandra.auth.PasswordAuthenticator") ); } #[test] fn test_password_authenticator_get_auth_token() { let auth = PasswordAuthenticator::new("foo", "bar"); let mut expected_token = vec![0]; expected_token.extend_from_slice("foo".as_bytes()); expected_token.push(0); expected_token.extend_from_slice("bar".as_bytes()); assert_eq!(auth.get_auth_token().into_plain().unwrap(), expected_token); } #[test] fn test_static_password_authenticator_trait_impl() { let authenticator = StaticPasswordAuthenticator::new("a", "a"); let _ = authenticator_tester(Box::new(authenticator)); } #[test] fn test_static_password_authenticator_new() { StaticPasswordAuthenticator::new("foo", "bar"); } #[test] fn test_static_password_authenticator_get_cassandra_name() { let auth = StaticPasswordAuthenticator::new("foo", "bar"); assert_eq!( auth.get_cassandra_name(), Some("org.apache.cassandra.auth.PasswordAuthenticator") ); } #[test] fn test_static_password_authenticator_get_auth_token() { let auth = PasswordAuthenticator::new("foo", "bar"); let mut expected_token = vec![0]; expected_token.extend_from_slice("foo".as_bytes()); expected_token.push(0); expected_token.extend_from_slice("bar".as_bytes()); assert_eq!(auth.get_auth_token().into_plain().unwrap(), expected_token); } #[test] fn test_authenticator_none_get_cassandra_name() { let auth = NoneAuthenticator; assert_eq!(auth.get_cassandra_name(), None); assert_eq!(auth.get_auth_token().into_plain().unwrap(), vec![0]); } fn authenticator_tester<A: Authenticator>(_authenticator: Box<A>) {} }