Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / lib / security / credentials / jwt / jwt_credentials.h

diff --git a/legacy-libs/grpc/deps/grpc/src/core/lib/security/credentials/jwt/jwt_credentials.h b/legacy-libs/grpc/deps/grpc/src/core/lib/security/credentials/jwt/jwt_credentials.h
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+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JWT_CREDENTIALS_H
+#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JWT_CREDENTIALS_H
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/security/credentials/credentials.h"
+#include "src/core/lib/security/credentials/jwt/json_token.h"
+
+class grpc_service_account_jwt_access_credentials
+    : public grpc_call_credentials {
+ public:
+  grpc_service_account_jwt_access_credentials(grpc_auth_json_key key,
+                                              gpr_timespec token_lifetime);
+  ~grpc_service_account_jwt_access_credentials() override;
+
+  bool get_request_metadata(grpc_polling_entity* pollent,
+                            grpc_auth_metadata_context context,
+                            grpc_credentials_mdelem_array* md_array,
+                            grpc_closure* on_request_metadata,
+                            grpc_error** error) override;
+
+  void cancel_get_request_metadata(grpc_credentials_mdelem_array* md_array,
+                                   grpc_error* error) override;
+
+  const gpr_timespec& jwt_lifetime() const { return jwt_lifetime_; }
+  const grpc_auth_json_key& key() const { return key_; }
+
+ private:
+  void reset_cache();
+
+  // Have a simple cache for now with just 1 entry. We could have a map based on
+  // the service_url for a more sophisticated one.
+  gpr_mu cache_mu_;
+  struct {
+    grpc_mdelem jwt_md = GRPC_MDNULL;
+    char* service_url = nullptr;
+    gpr_timespec jwt_expiration;
+  } cached_;
+
+  grpc_auth_json_key key_;
+  gpr_timespec jwt_lifetime_;
+};
+
+// Private constructor for jwt credentials from an already parsed json key.
+// Takes ownership of the key.
+grpc_core::RefCountedPtr<grpc_call_credentials>
+grpc_service_account_jwt_access_credentials_create_from_auth_json_key(
+    grpc_auth_json_key key, gpr_timespec token_lifetime);
+
+#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JWT_CREDENTIALS_H */