// Copyright 2020 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.secretmanager.v1;

import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/protobuf/timestamp.proto";
import "google/api/annotations.proto";

option cc_enable_arenas = true;
option csharp_namespace = "Google.Cloud.SecretManager.V1";
option go_package = "google.golang.org/genproto/googleapis/cloud/secretmanager/v1;secretmanager";
option java_multiple_files = true;
option java_outer_classname = "ResourcesProto";
option java_package = "com.google.cloud.secretmanager.v1";
option objc_class_prefix = "GSM";
option php_namespace = "Google\\Cloud\\SecretManager\\V1";
option ruby_package = "Google::Cloud::SecretManager::V1";

// A [Secret][google.cloud.secretmanager.v1.Secret] is a logical secret whose value and versions can
// be accessed.
//
// A [Secret][google.cloud.secretmanager.v1.Secret] is made up of zero or more [SecretVersions][google.cloud.secretmanager.v1.SecretVersion] that
// represent the secret data.
message Secret {
  option (google.api.resource) = {
    type: "secretmanager.googleapis.com/Secret"
    pattern: "projects/{project}/secrets/{secret}"
  };

  // Output only. The resource name of the [Secret][google.cloud.secretmanager.v1.Secret] in the format `projects/*/secrets/*`.
  string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Required. Immutable. The replication policy of the secret data attached to the [Secret][google.cloud.secretmanager.v1.Secret].
  //
  // The replication policy cannot be changed after the Secret has been created.
  Replication replication = 2 [
    (google.api.field_behavior) = IMMUTABLE,
    (google.api.field_behavior) = REQUIRED
  ];

  // Output only. The time at which the [Secret][google.cloud.secretmanager.v1.Secret] was created.
  google.protobuf.Timestamp create_time = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // The labels assigned to this Secret.
  //
  // Label keys must be between 1 and 63 characters long, have a UTF-8 encoding
  // of maximum 128 bytes, and must conform to the following PCRE regular
  // expression: `[\p{Ll}\p{Lo}][\p{Ll}\p{Lo}\p{N}_-]{0,62}`
  //
  // Label values must be between 0 and 63 characters long, have a UTF-8
  // encoding of maximum 128 bytes, and must conform to the following PCRE
  // regular expression: `[\p{Ll}\p{Lo}\p{N}_-]{0,63}`
  //
  // No more than 64 labels can be assigned to a given resource.
  map<string, string> labels = 4;
}

// A secret version resource in the Secret Manager API.
message SecretVersion {
  option (google.api.resource) = {
    type: "secretmanager.googleapis.com/SecretVersion"
    pattern: "projects/{project}/secrets/{secret}/versions/{secret_version}"
  };

  // The state of a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion], indicating if it can be accessed.
  enum State {
    // Not specified. This value is unused and invalid.
    STATE_UNSPECIFIED = 0;

    // The [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] may be accessed.
    ENABLED = 1;

    // The [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] may not be accessed, but the secret data
    // is still available and can be placed back into the [ENABLED][google.cloud.secretmanager.v1.SecretVersion.State.ENABLED]
    // state.
    DISABLED = 2;

    // The [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] is destroyed and the secret data is no longer
    // stored. A version may not leave this state once entered.
    DESTROYED = 3;
  }

  // Output only. The resource name of the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] in the
  // format `projects/*/secrets/*/versions/*`.
  //
  // [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] IDs in a [Secret][google.cloud.secretmanager.v1.Secret] start at 1 and
  // are incremented for each subsequent version of the secret.
  string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time at which the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] was created.
  google.protobuf.Timestamp create_time = 2 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time this [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] was destroyed.
  // Only present if [state][google.cloud.secretmanager.v1.SecretVersion.state] is
  // [DESTROYED][google.cloud.secretmanager.v1.SecretVersion.State.DESTROYED].
  google.protobuf.Timestamp destroy_time = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The current state of the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
  State state = 4 [(google.api.field_behavior) = OUTPUT_ONLY];

  // The replication status of the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
  ReplicationStatus replication_status = 5;
}

// A policy that defines the replication and encryption configuration of data.
message Replication {
  // A replication policy that replicates the [Secret][google.cloud.secretmanager.v1.Secret] payload without any
  // restrictions.
  message Automatic {
    // Optional. The customer-managed encryption configuration of the [Secret][google.cloud.secretmanager.v1.Secret]. If no
    // configuration is provided, Google-managed default encryption is used.
    //
    // Updates to the [Secret][google.cloud.secretmanager.v1.Secret] encryption configuration only apply to
    // [SecretVersions][google.cloud.secretmanager.v1.SecretVersion] added afterwards. They do not apply
    // retroactively to existing [SecretVersions][google.cloud.secretmanager.v1.SecretVersion].
    CustomerManagedEncryption customer_managed_encryption = 1 [(google.api.field_behavior) = OPTIONAL];
  }

  // A replication policy that replicates the [Secret][google.cloud.secretmanager.v1.Secret] payload into the
  // locations specified in [Secret.replication.user_managed.replicas][]
  message UserManaged {
    // Represents a Replica for this [Secret][google.cloud.secretmanager.v1.Secret].
    message Replica {
      // The canonical IDs of the location to replicate data.
      // For example: `"us-east1"`.
      string location = 1;

      // Optional. The customer-managed encryption configuration of the [User-Managed
      // Replica][Replication.UserManaged.Replica]. If no configuration is
      // provided, Google-managed default encryption is used.
      //
      // Updates to the [Secret][google.cloud.secretmanager.v1.Secret] encryption configuration only apply to
      // [SecretVersions][google.cloud.secretmanager.v1.SecretVersion] added afterwards. They do not apply
      // retroactively to existing [SecretVersions][google.cloud.secretmanager.v1.SecretVersion].
      CustomerManagedEncryption customer_managed_encryption = 2 [(google.api.field_behavior) = OPTIONAL];
    }

    // Required. The list of Replicas for this [Secret][google.cloud.secretmanager.v1.Secret].
    //
    // Cannot be empty.
    repeated Replica replicas = 1 [(google.api.field_behavior) = REQUIRED];
  }

  // The replication policy for this secret.
  oneof replication {
    // The [Secret][google.cloud.secretmanager.v1.Secret] will automatically be replicated without any restrictions.
    Automatic automatic = 1;

    // The [Secret][google.cloud.secretmanager.v1.Secret] will only be replicated into the locations specified.
    UserManaged user_managed = 2;
  }
}

// Configuration for encrypting secret payloads using customer-managed
// encryption keys (CMEK).
message CustomerManagedEncryption {
  // Required. The resource name of the Cloud KMS CryptoKey used to encrypt secret
  // payloads.
  //
  // For secrets using the [UserManaged][google.cloud.secretmanager.v1.Replication.UserManaged] replication
  // policy type, Cloud KMS CryptoKeys must reside in the same location as the
  // [replica location][Secret.UserManaged.Replica.location].
  //
  // For secrets using the [Automatic][google.cloud.secretmanager.v1.Replication.Automatic] replication policy
  // type, Cloud KMS CryptoKeys must reside in `global`.
  //
  // The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
  string kms_key_name = 1 [(google.api.field_behavior) = REQUIRED];
}

// The replication status of a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
message ReplicationStatus {
  // The replication status of a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] using automatic replication.
  //
  // Only populated if the parent [Secret][google.cloud.secretmanager.v1.Secret] has an automatic replication
  // policy.
  message AutomaticStatus {
    // Output only. The customer-managed encryption status of the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion]. Only
    // populated if customer-managed encryption is used.
    CustomerManagedEncryptionStatus customer_managed_encryption = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
  }

  // The replication status of a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] using user-managed
  // replication.
  //
  // Only populated if the parent [Secret][google.cloud.secretmanager.v1.Secret] has a user-managed replication
  // policy.
  message UserManagedStatus {
    // Describes the status of a user-managed replica for the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
    message ReplicaStatus {
      // Output only. The canonical ID of the replica location.
      // For example: `"us-east1"`.
      string location = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

      // Output only. The customer-managed encryption status of the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion]. Only
      // populated if customer-managed encryption is used.
      CustomerManagedEncryptionStatus customer_managed_encryption = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
    }

    // Output only. The list of replica statuses for the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
    repeated ReplicaStatus replicas = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
  }

  // The replication status of the [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
  oneof replication_status {
    // Describes the replication status of a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] with
    // automatic replication.
    //
    // Only populated if the parent [Secret][google.cloud.secretmanager.v1.Secret] has an automatic replication
    // policy.
    AutomaticStatus automatic = 1;

    // Describes the replication status of a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion] with
    // user-managed replication.
    //
    // Only populated if the parent [Secret][google.cloud.secretmanager.v1.Secret] has a user-managed replication
    // policy.
    UserManagedStatus user_managed = 2;
  }
}

// Describes the status of customer-managed encryption.
message CustomerManagedEncryptionStatus {
  // Required. The resource name of the Cloud KMS CryptoKeyVersion used to encrypt the
  // secret payload, in the following format:
  // `projects/*/locations/*/keyRings/*/cryptoKeys/*/versions/*`.
  string kms_key_version_name = 1 [(google.api.field_behavior) = REQUIRED];
}

// A secret payload resource in the Secret Manager API. This contains the
// sensitive secret payload that is associated with a [SecretVersion][google.cloud.secretmanager.v1.SecretVersion].
message SecretPayload {
  // The secret data. Must be no larger than 64KiB.
  bytes data = 1;
}
