Make authcid,authzid,client_nonce readable from server side

Cargo.toml

@@ -7,7 +7,7 @@ license = "MIT"
 name = "scram"
 readme = "README.md"
 repository = "https://github.com/tomprogrammer/scram"
-version = "0.6.0"
+version = "0.6.1"
 
 [dependencies]
 base64 = "0.13.0"

src/server.rs

@@ -213,6 +213,21 @@ impl<'a, P: AuthenticationProvider> ServerFirst<'a, P> {
             server_first.into_owned(),
         )
     }
+
+    /// The username parsed from client first message that used for authentication.
+    pub fn authcid(&self) -> &str {
+        self.authcid
+    }
+
+    /// The username parsed from client first message that used for authorization.
+    pub fn authzid(&self) -> Option<&str> {
+        self.authzid
+    }
+
+    /// The nonce value parsed from client first message.
+    pub fn client_nonce(&self) -> &str {
+        self.client_nonce
+    }
 }
 
 /// Represents the stage after the server has generated its first response to the client. This
@@ -273,6 +288,16 @@ impl<'a, P: AuthenticationProvider> ClientFinal<'a, P> {
         }
     }
 
+    /// The username parsed from client first message that used for authentication.
+    pub fn authcid(&self) -> &str {
+        self.authcid
+    }
+
+    /// The username parsed from client first message that used for authorization.
+    pub fn authzid(&self) -> Option<&str> {
+        self.authzid
+    }
+
     /// Checks that the gs2header received from the client is the same as the one we've stored
     fn verify_header(&self, gs2header: &str) -> bool {
         let server_gs2header = base64::encode(self.gs2header.as_bytes());