// Copyright 2019 Google LLC.
//
// 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.
//

syntax = "proto3";

package google.cloud.policytroubleshooter.v1;

import public "google/cloud/policytroubleshooter/v1/explanations.proto";
import "google/api/annotations.proto";
import "google/api/client.proto";

option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/cloud/policytroubleshooter/v1;policytroubleshooter";
option java_multiple_files = true;
option java_outer_classname = "IAMCheckerProto";
option java_package = "com.google.cloud.policytroubleshooter.v1";

// IAM Policy Troubleshooter service.
//
// This service helps you troubleshoot access issues for Google Cloud resources.
service IamChecker {
  option (google.api.default_host) = "policytroubleshooter.googleapis.com";
  option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform";

  // Checks whether a member has a specific permission for a specific resource,
  // and explains why the member does or does not have that permission.
  rpc TroubleshootIamPolicy(TroubleshootIamPolicyRequest) returns (TroubleshootIamPolicyResponse) {
    option (google.api.http) = {
      post: "/v1/iam:troubleshoot"
      body: "*"
    };
  }
}

// Request for [TroubleshootIamPolicy][google.cloud.policytroubleshooter.v1.IamChecker.TroubleshootIamPolicy].
message TroubleshootIamPolicyRequest {
  // The information to use for checking whether a member has a permission for a
  // resource.
  AccessTuple access_tuple = 1;
}

// Response for [TroubleshootIamPolicy][google.cloud.policytroubleshooter.v1.IamChecker.TroubleshootIamPolicy].
message TroubleshootIamPolicyResponse {
  // Indicates whether the member has the specified permission for the specified
  // resource, based on evaluating all of the applicable IAM policies.
  AccessState access = 1;

  // List of IAM policies that were evaluated to check the member's permissions,
  // with annotations to indicate how each policy contributed to the final
  // result.
  //
  // The list of policies can include the policy for the resource itself. It can
  // also include policies that are inherited from higher levels of the resource
  // hierarchy, including the organization, the folder, and the project.
  //
  // To learn more about the resource hierarchy, see
  // https://cloud.google.com/iam/help/resource-hierarchy.
  repeated ExplainedPolicy explained_policies = 2;
}