1 files changed, 26 insertions, 0 deletions
diff --git a/docker/api/buildkit/auth/auth.py b/docker/api/buildkit/auth/auth.py
new file mode 100644
index 0000000..df096a7
--- /dev/null
+++ b/docker/api/buildkit/auth/auth.py
@@ -0,0 +1,26 @@
+from .auth_pb2 import CredentialsResponse
+from .auth_grpc import AuthBase
+from ..grpc import Attachable
+from docker.auth import resolve_authconfig
+
+
+class Auth(AuthBase, Attachable):
+    def __init__(self, authconfig, credstore_env, *args, **kwargs):
+        self.authconfig = authconfig
+        self.credstore_env = credstore_env
+        super(Auth, self).__init__(*args, **kwargs)
+
+    async def Credentials(self, stream):
+        request = await stream.recv_message()
+        host = request.Host
+        auth_data = resolve_authconfig(
+            self.authconfig, host, self.credstore_env
+        )
+        response = None
+        if auth_data is None:
+            response = CredentialsResponse(Username=None, Secret=None)
+        else:
+            response = CredentialsResponse(
+                Username=auth_data['Username'], Secret=auth_data['Password']
+            )
+        await stream.send_message(response)