mirror of https://github.com/grpc/grpc.git
Ashitha Santhosh
5 years ago
parent
13b5f0b625
commit
369bd24b7c
14 changed files with 352 additions and 2 deletions
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// Copyright 2020 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_CEL_EXPR_BUILDER_FACTORY_H |
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#define GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_CEL_EXPR_BUILDER_FACTORY_H |
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#include <grpc/support/port_platform.h> |
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#include <memory> |
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#include "src/core/lib/security/authorization/mock_cel/flat_expr_builder.h" |
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namespace grpc_core { |
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namespace mock_cel { |
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// This is a temporary stub implementation of CEL APIs.
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// Once gRPC imports the CEL library, this file will be removed.
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struct InterpreterOptions { |
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bool short_circuiting = true; |
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}; |
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std::unique_ptr<CelExpressionBuilder> CreateCelExpressionBuilder( |
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const InterpreterOptions& options) { |
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return absl::make_unique<FlatExprBuilder>(); |
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} |
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} // namespace mock_cel
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} // namespace grpc_core
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#endif // GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_CEL_EXPR_BUILDER_FACTORY_H
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// Copyright 2020 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_CEL_EXPRESSION_H |
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#define GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_CEL_EXPRESSION_H |
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#include <grpc/support/port_platform.h> |
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#include <memory> |
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#include <vector> |
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#include "google/api/expr/v1alpha1/syntax.upb.h" |
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#include "src/core/lib/security/authorization/mock_cel/activation.h" |
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#include "src/core/lib/security/authorization/mock_cel/cel_value.h" |
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#include "src/core/lib/security/authorization/mock_cel/statusor.h" |
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namespace grpc_core { |
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namespace mock_cel { |
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// This is a temporary stub implementation of CEL APIs.
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// Once gRPC imports the CEL library, this file will be removed.
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// Base interface for expression evaluating objects.
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class CelExpression { |
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public: |
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virtual ~CelExpression() = default; |
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// Evaluates expression and returns value.
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// activation contains bindings from parameter names to values
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virtual StatusOr<CelValue> Evaluate( |
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const BaseActivation& activation) const = 0; |
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}; |
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// Base class for Expression Builder implementations
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// Provides user with factory to register extension functions.
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// ExpressionBuilder MUST NOT be destroyed before CelExpression objects
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// it built.
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class CelExpressionBuilder { |
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public: |
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virtual ~CelExpressionBuilder() = default; |
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// Creates CelExpression object from AST tree.
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// expr specifies root of AST tree
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virtual StatusOr<std::unique_ptr<CelExpression>> CreateExpression( |
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const google_api_expr_v1alpha1_Expr* expr, |
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const google_api_expr_v1alpha1_SourceInfo* source_info) const = 0; |
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virtual StatusOr<std::unique_ptr<CelExpression>> CreateExpression( |
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const google_api_expr_v1alpha1_Expr* expr, |
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const google_api_expr_v1alpha1_SourceInfo* source_info, |
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std::vector<absl::Status>* warnings) const = 0; |
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}; |
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} // namespace mock_cel
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} // namespace grpc_core
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#endif // GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_CEL_EXPRESSION_H
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// Copyright 2020 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_EVALUATOR_CORE_H |
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#define GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_EVALUATOR_CORE_H |
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#include <grpc/support/port_platform.h> |
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#include <memory> |
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#include <set> |
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#include <vector> |
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#include "google/api/expr/v1alpha1/syntax.upb.h" |
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#include "src/core/lib/security/authorization/mock_cel/activation.h" |
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#include "src/core/lib/security/authorization/mock_cel/cel_expression.h" |
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#include "src/core/lib/security/authorization/mock_cel/cel_value.h" |
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#include "src/core/lib/security/authorization/mock_cel/statusor.h" |
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namespace grpc_core { |
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namespace mock_cel { |
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// This is a temporary stub implementation of CEL APIs.
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// Once gRPC imports the CEL library, this file will be removed.
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class ExpressionStep { |
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public: |
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virtual ~ExpressionStep() = default; |
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}; |
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using ExecutionPath = std::vector<std::unique_ptr<const ExpressionStep>>; |
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// Implementation of the CelExpression that utilizes flattening
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// of the expression tree.
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class CelExpressionFlatImpl : public CelExpression { |
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// Constructs CelExpressionFlatImpl instance.
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// path is flat execution path that is based upon
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// flattened AST tree. Max iterations dictates the maximum number of
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// iterations in the comprehension expressions (use 0 to disable the upper
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// bound).
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public: |
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CelExpressionFlatImpl(const google_api_expr_v1alpha1_Expr* root_expr, |
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ExecutionPath path, int max_iterations, |
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std::set<std::string> iter_variable_names, |
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bool enable_unknowns = false, |
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bool enable_unknown_function_results = false) {} |
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// Implementation of CelExpression evaluate method.
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StatusOr<CelValue> Evaluate(const BaseActivation& activation) const override { |
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return CelValue::CreateNull(); |
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} |
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}; |
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} // namespace mock_cel
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} // namespace grpc_core
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#endif // GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_EVALUATOR_CORE_H
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// Copyright 2020 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_FLAT_EXPR_BUILDER_H |
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#define GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_FLAT_EXPR_BUILDER_H |
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#include <grpc/support/port_platform.h> |
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#include <memory> |
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#include "src/core/lib/security/authorization/mock_cel/evaluator_core.h" |
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namespace grpc_core { |
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namespace mock_cel { |
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// This is a temporary stub implementation of CEL APIs.
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// Once gRPC imports the CEL library, this file will be removed.
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// CelExpressionBuilder implementation.
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// Builds instances of CelExpressionFlatImpl.
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class FlatExprBuilder : public CelExpressionBuilder { |
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public: |
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FlatExprBuilder() = default; |
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cel_base::StatusOr<std::unique_ptr<CelExpression>> CreateExpression( |
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const google::api::expr::v1alpha1::Expr* expr, |
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const google::api::expr::v1alpha1::SourceInfo* source_info) |
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const override { |
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ExecutionPath path; |
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return absl::make_unique<CelExpressionFlatImpl>(nullptr, path, 0); |
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} |
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cel_base::StatusOr<std::unique_ptr<CelExpression>> CreateExpression( |
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const google::api::expr::v1alpha1::Expr* expr, |
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const google::api::expr::v1alpha1::SourceInfo* source_info, |
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std::vector<absl::Status>* warnings) const override { |
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ExecutionPath path; |
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return absl::make_unique<CelExpressionFlatImpl>(nullptr, path, 0); |
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} |
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}; |
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} // namespace mock_cel
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} // namespace grpc_core
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#endif // GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_FLAT_EXPR_BUILDER_H
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// Copyright 2020 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_STATUSOR_H |
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#define GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_STATUSOR_H |
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#include <grpc/support/port_platform.h> |
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#include <memory> |
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#include "absl/status/status.h" |
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namespace grpc_core { |
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namespace mock_cel { |
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// This is a temporary stub implementation of CEL APIs.
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// Once gRPC imports the CEL library, this file will be removed.
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template <typename T> |
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class ABSL_MUST_USE_RESULT StatusOr; |
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template <typename T> |
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class StatusOr { |
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public: |
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StatusOr() = default; |
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StatusOr(const T& value) {} |
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StatusOr(const absl::Status& status) {} |
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StatusOr(absl::Status&& status) {} |
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bool ok() const { return true; } |
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}; |
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} // namespace mock_cel
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} // namespace grpc_core
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#endif // GRPC_CORE_LIB_SECURITY_AUTHORIZATION_MOCK_CEL_STATUSOR_H
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