mark Authorization headers sensitive (#121)

Co-authored-by: Bastian Schubert <[email protected]>

Author: cemoktra

src/common/authorization.rs

@@ -94,7 +94,8 @@ impl<C: Credentials> ::Header for Authorization<C> {
     }
 
     fn encode<E: Extend<::HeaderValue>>(&self, values: &mut E) {
-        let value = self.0.encode();
+        let mut value = self.0.encode();
+        value.set_sensitive(true);
         debug_assert!(
             value.as_bytes().starts_with(C::SCHEME.as_bytes()),
             "Credentials::encode should include its scheme: scheme = {:?}, encoded = {:?}",
@@ -171,7 +172,8 @@ impl Credentials for Basic {
         base64::encode_config_buf(&self.decoded, base64::STANDARD, &mut encoded);
 
         let bytes = Bytes::from(encoded);
-        HeaderValue::from_maybe_shared(bytes).expect("base64 encoding is always a valid HeaderValue")
+        HeaderValue::from_maybe_shared(bytes)
+            .expect("base64 encoding is always a valid HeaderValue")
     }
 }