1 // Copyright 2020 gRPC authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_FLAT_EXPR_BUILDER_H 16 #define GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_FLAT_EXPR_BUILDER_H 17 18 #include <grpc/support/port_platform.h> 19 20 #include <memory> 21 22 #include "src/core/lib/security/authorization/mock_cel/evaluator_core.h" 23 24 namespace grpc_core { 25 namespace mock_cel { 26 27 // This is a temporary stub implementation of CEL APIs. 28 // Once gRPC imports the CEL library, this file will be removed. 29 30 // CelExpressionBuilder implementation. 31 // Builds instances of CelExpressionFlatImpl. 32 class FlatExprBuilder : public CelExpressionBuilder { 33 public: 34 FlatExprBuilder() = default; 35 CreateExpression(const google_api_expr_v1alpha1_Expr * expr,const google_api_expr_v1alpha1_SourceInfo * source_info)36 absl::StatusOr<std::unique_ptr<CelExpression>> CreateExpression( 37 const google_api_expr_v1alpha1_Expr* expr, 38 const google_api_expr_v1alpha1_SourceInfo* source_info) const override { 39 ExecutionPath path; 40 return absl::make_unique<CelExpressionFlatImpl>(nullptr, path, 0, 41 std::set<std::string>{}); 42 } 43 CreateExpression(const google_api_expr_v1alpha1_Expr * expr,const google_api_expr_v1alpha1_SourceInfo * source_info,std::vector<absl::Status> * warnings)44 absl::StatusOr<std::unique_ptr<CelExpression>> CreateExpression( 45 const google_api_expr_v1alpha1_Expr* expr, 46 const google_api_expr_v1alpha1_SourceInfo* source_info, 47 std::vector<absl::Status>* warnings) const override { 48 ExecutionPath path; 49 return absl::make_unique<CelExpressionFlatImpl>(nullptr, path, 0, 50 std::set<std::string>{}); 51 } 52 }; 53 54 } // namespace mock_cel 55 } // namespace grpc_core 56 57 #endif // GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_FLAT_EXPR_BUILDER_H 58