Merge pull request #795 from nathanielmanistaatgoogle/python-client-credentials

Python ClientCredentials object.

6 files changed, 197 insertions, 0 deletions

diff --git a/src/python/src/grpc/_adapter/_c.c b/src/python/src/grpc/_adapter/_c.c
index 55b9d0512c..f096a55b61 100644
--- a/src/python/src/grpc/_adapter/_c.c
+++ b/src/python/src/grpc/_adapter/_c.c
@@ -38,6 +38,7 @@
 #include "grpc/_adapter/_channel.h"
 #include "grpc/_adapter/_call.h"
 #include "grpc/_adapter/_server.h"
+#include "grpc/_adapter/_client_credentials.h"
 #include "grpc/_adapter/_server_credentials.h"
 
 static PyObject *init(PyObject *self) {
@@ -76,6 +77,9 @@ PyMODINIT_FUNC init_c(void) {
   if (pygrpc_add_server(module) == -1) {
     return;
   }
+  if (pygrpc_add_client_credentials(module) == -1) {
+    return;
+  }
   if (pygrpc_add_server_credentials(module) == -1) {
     return;
   }
diff --git a/src/python/src/grpc/_adapter/_c_test.py b/src/python/src/grpc/_adapter/_c_test.py
index d421692ec9..44aff44ffa 100644
--- a/src/python/src/grpc/_adapter/_c_test.py
+++ b/src/python/src/grpc/_adapter/_c_test.py
@@ -136,6 +136,29 @@ class _CTest(unittest.TestCase):
 
     _c.shut_down()
 
+  def test_client_credentials(self):
+    root_certificates = b'Trust starts here. Really.'
+    private_key = b'This is a really bad private key, yo.'
+    certificate_chain = b'Trust me! Do I not look trustworty?'
+
+    _c.init()
+
+    client_credentials = _c.ClientCredentials(
+        None, None, None)
+    self.assertIsNotNone(client_credentials)
+    client_credentials = _c.ClientCredentials(
+        root_certificates, None, None)
+    self.assertIsNotNone(client_credentials)
+    client_credentials = _c.ClientCredentials(
+        None, private_key, certificate_chain)
+    self.assertIsNotNone(client_credentials)
+    client_credentials = _c.ClientCredentials(
+        root_certificates, private_key, certificate_chain)
+    self.assertIsNotNone(client_credentials)
+    del client_credentials
+
+    _c.shut_down()
+
   def test_server_credentials(self):
     root_certificates = b'Trust starts here. Really.'
     first_private_key = b'This is a really bad private key, yo.'
diff --git a/src/python/src/grpc/_adapter/_client_credentials.c b/src/python/src/grpc/_adapter/_client_credentials.c
new file mode 100644
index 0000000000..b970c866ef
--- /dev/null
+++ b/src/python/src/grpc/_adapter/_client_credentials.c
@@ -0,0 +1,120 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "grpc/_adapter/_client_credentials.h"
+
+#include <Python.h>
+#include <grpc/grpc_security.h>
+#include <grpc/support/alloc.h>
+
+static int pygrpc_client_credentials_init(ClientCredentials *self,
+                                          PyObject *args, PyObject *kwds) {
+  char *root_certificates;
+  grpc_ssl_pem_key_cert_pair key_certificate_pair;
+  static char *kwlist[] = {"root_certificates", "private_key",
+                           "certificate_chain", NULL};
+
+  if (!PyArg_ParseTupleAndKeywords(args, kwds, "zzz:ClientCredentials", kwlist,
+                                   &root_certificates,
+                                   &key_certificate_pair.private_key,
+                                   &key_certificate_pair.cert_chain)) {
+    return -1;
+  }
+
+  if (key_certificate_pair.private_key != NULL && key_certificate_pair.cert_chain != NULL) {
+    self->c_client_credentials =
+        grpc_ssl_credentials_create(root_certificates, &key_certificate_pair);
+  } else {
+    self->c_client_credentials =
+        grpc_ssl_credentials_create(root_certificates, NULL);
+  }
+}
+
+static void pygrpc_client_credentials_dealloc(ClientCredentials *self) {
+  if (self->c_client_credentials != NULL) {
+    grpc_credentials_release(self->c_client_credentials);
+  }
+  self->ob_type->tp_free((PyObject *)self);
+}
+
+PyTypeObject pygrpc_ClientCredentialsType = {
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "_grpc.ClientCredencials",                      /*tp_name*/
+    sizeof(ClientCredentials),                      /*tp_basicsize*/
+    0,                                              /*tp_itemsize*/
+    (destructor)pygrpc_client_credentials_dealloc,  /*tp_dealloc*/
+    0,                                              /*tp_print*/
+    0,                                              /*tp_getattr*/
+    0,                                              /*tp_setattr*/
+    0,                                              /*tp_compare*/
+    0,                                              /*tp_repr*/
+    0,                                              /*tp_as_number*/
+    0,                                              /*tp_as_sequence*/
+    0,                                              /*tp_as_mapping*/
+    0,                                              /*tp_hash */
+    0,                                              /*tp_call*/
+    0,                                              /*tp_str*/
+    0,                                              /*tp_getattro*/
+    0,                                              /*tp_setattro*/
+    0,                                              /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT,                             /*tp_flags*/
+    "Wrapping of grpc_credentials.",                /* tp_doc */
+    0,                                              /* tp_traverse */
+    0,                                              /* tp_clear */
+    0,                                              /* tp_richcompare */
+    0,                                              /* tp_weaklistoffset */
+    0,                                              /* tp_iter */
+    0,                                              /* tp_iternext */
+    0,                                              /* tp_methods */
+    0,                                              /* tp_members */
+    0,                                              /* tp_getset */
+    0,                                              /* tp_base */
+    0,                                              /* tp_dict */
+    0,                                              /* tp_descr_get */
+    0,                                              /* tp_descr_set */
+    0,                                              /* tp_dictoffset */
+    (initproc)pygrpc_client_credentials_init,       /* tp_init */
+    0,                                              /* tp_alloc */
+    PyType_GenericNew,                              /* tp_new */
+};
+
+int pygrpc_add_client_credentials(PyObject *module) {
+  if (PyType_Ready(&pygrpc_ClientCredentialsType) < 0) {
+    return -1;
+  }
+  if (PyModule_AddObject(module, "ClientCredentials",
+                         (PyObject *)&pygrpc_ClientCredentialsType) == -1) {
+    return -1;
+  }
+  return 0;
+}
diff --git a/src/python/src/grpc/_adapter/_client_credentials.h b/src/python/src/grpc/_adapter/_client_credentials.h
new file mode 100644
index 0000000000..664dc80d75
--- /dev/null
+++ b/src/python/src/grpc/_adapter/_client_credentials.h
@@ -0,0 +1,48 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef _ADAPTER__CLIENT_CREDENTIALS_H_
+#define _ADAPTER__CLIENT_CREDENTIALS_H_
+
+#include <Python.h>
+#include <grpc/grpc_security.h>
+
+typedef struct {
+  PyObject_HEAD grpc_credentials *c_client_credentials;
+} ClientCredentials;
+
+PyTypeObject pygrpc_ClientCredentialsType;
+
+int pygrpc_add_client_credentials(PyObject *module);
+
+#endif /* _ADAPTER__CLIENT_CREDENTIALS_H_ */
diff --git a/src/python/src/grpc/_adapter/_low.py b/src/python/src/grpc/_adapter/_low.py
index 2ef2eb879c..a24baaeb3e 100644
--- a/src/python/src/grpc/_adapter/_low.py
+++ b/src/python/src/grpc/_adapter/_low.py
@@ -52,5 +52,6 @@ Call = _c.Call
 Channel = _c.Channel
 CompletionQueue = _c.CompletionQueue
 Server = _c.Server
+ClientCredentials = _c.ClientCredentials
 ServerCredentials = _c.ServerCredentials
 # pylint: enable=invalid-name
diff --git a/src/python/src/setup.py b/src/python/src/setup.py
index e3f13fa5c8..23f128636e 100644
--- a/src/python/src/setup.py
+++ b/src/python/src/setup.py
@@ -38,6 +38,7 @@ _EXTENSION_SOURCES = (
     'grpc/_adapter/_completion_queue.c',
     'grpc/_adapter/_error.c',
     'grpc/_adapter/_server.c',
+    'grpc/_adapter/_client_credentials.c',
     'grpc/_adapter/_server_credentials.c',
 )