// 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.asset.v1;

import "google/api/resource.proto";
import "google/cloud/orgpolicy/v1/orgpolicy.proto";
import "google/iam/v1/policy.proto";
import "google/identity/accesscontextmanager/v1/access_level.proto";
import "google/identity/accesscontextmanager/v1/access_policy.proto";
import "google/identity/accesscontextmanager/v1/service_perimeter.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";
import "google/rpc/code.proto";

option cc_enable_arenas = true;
option csharp_namespace = "Google.Cloud.Asset.V1";
option go_package = "google.golang.org/genproto/googleapis/cloud/asset/v1;asset";
option java_multiple_files = true;
option java_outer_classname = "AssetProto";
option java_package = "com.google.cloud.asset.v1";
option php_namespace = "Google\\Cloud\\Asset\\V1";

// An asset in Google Cloud and its temporal metadata, including the time window
// when it was observed and its status during that window.
message TemporalAsset {
  // State of prior asset.
  enum PriorAssetState {
    // prior_asset is not applicable for the current asset.
    PRIOR_ASSET_STATE_UNSPECIFIED = 0;

    // prior_asset is populated correctly.
    PRESENT = 1;

    // Failed to set prior_asset.
    INVALID = 2;

    // Current asset is the first known state.
    DOES_NOT_EXIST = 3;

    // prior_asset is a deletion.
    DELETED = 4;
  }

  // The time window when the asset data and state was observed.
  TimeWindow window = 1;

  // Whether the asset has been deleted or not.
  bool deleted = 2;

  // An asset in Google Cloud.
  Asset asset = 3;

  // State of prior_asset.
  PriorAssetState prior_asset_state = 4;

  // Prior copy of the asset. Populated if prior_asset_state is PRESENT.
  // Currently this is only set for responses in Real-Time Feed.
  Asset prior_asset = 5;
}

// A time window specified by its `start_time` and `end_time`.
message TimeWindow {
  // Start time of the time window (exclusive).
  google.protobuf.Timestamp start_time = 1;

  // End time of the time window (inclusive). If not specified, the current
  // timestamp is used instead.
  google.protobuf.Timestamp end_time = 2;
}

// An asset in Google Cloud. An asset can be any resource in the Google Cloud
// [resource
// hierarchy](https://cloud.google.com/resource-manager/docs/cloud-platform-resource-hierarchy),
// a resource outside the Google Cloud resource hierarchy (such as Google
// Kubernetes Engine clusters and objects), or a policy (e.g. Cloud IAM policy).
// See [Supported asset
// types](https://cloud.google.com/asset-inventory/docs/supported-asset-types)
// for more information.
message Asset {
  option (google.api.resource) = {
    type: "cloudasset.googleapis.com/Asset"
    pattern: "*"
  };

  // The last update timestamp of an asset. update_time is updated when
  // create/update/delete operation is performed.
  google.protobuf.Timestamp update_time = 11;

  // The full name of the asset. Example:
  // `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`
  //
  // See [Resource
  // names](https://cloud.google.com/apis/design/resource_names#full_resource_name)
  // for more information.
  string name = 1;

  // The type of the asset. Example: `compute.googleapis.com/Disk`
  //
  // See [Supported asset
  // types](https://cloud.google.com/asset-inventory/docs/supported-asset-types)
  // for more information.
  string asset_type = 2;

  // A representation of the resource.
  Resource resource = 3;

  // A representation of the Cloud IAM policy set on a Google Cloud resource.
  // There can be a maximum of one Cloud IAM policy set on any given resource.
  // In addition, Cloud IAM policies inherit their granted access scope from any
  // policies set on parent resources in the resource hierarchy. Therefore, the
  // effectively policy is the union of both the policy set on this resource
  // and each policy set on all of the resource's ancestry resource levels in
  // the hierarchy. See
  // [this topic](https://cloud.google.com/iam/docs/policies#inheritance) for
  // more information.
  google.iam.v1.Policy iam_policy = 4;

  // A representation of an [organization
  // policy](https://cloud.google.com/resource-manager/docs/organization-policy/overview#organization_policy).
  // There can be more than one organization policy with different constraints
  // set on a given resource.
  repeated google.cloud.orgpolicy.v1.Policy org_policy = 6;

  // A representation of an [access
  // policy](https://cloud.google.com/access-context-manager/docs/overview#access-policies).
  oneof access_context_policy {
    // Please also refer to the [access policy user
    // guide](https://cloud.google.com/access-context-manager/docs/overview#access-policies).
    google.identity.accesscontextmanager.v1.AccessPolicy access_policy = 7;

    // Please also refer to the [access level user
    // guide](https://cloud.google.com/access-context-manager/docs/overview#access-levels).
    google.identity.accesscontextmanager.v1.AccessLevel access_level = 8;

    // Please also refer to the [service perimeter user
    // guide](https://cloud.google.com/vpc-service-controls/docs/overview).
    google.identity.accesscontextmanager.v1.ServicePerimeter service_perimeter =
        9;
  }

  // The ancestry path of an asset in Google Cloud [resource
  // hierarchy](https://cloud.google.com/resource-manager/docs/cloud-platform-resource-hierarchy),
  // represented as a list of relative resource names. An ancestry path starts
  // with the closest ancestor in the hierarchy and ends at root. If the asset
  // is a project, folder, or organization, the ancestry path starts from the
  // asset itself.
  //
  // Example: `["projects/123456789", "folders/5432", "organizations/1234"]`
  repeated string ancestors = 10;
}

// A representation of a Google Cloud resource.
message Resource {
  // The API version. Example: `v1`
  string version = 1;

  // The URL of the discovery document containing the resource's JSON schema.
  // Example:
  // `https://www.googleapis.com/discovery/v1/apis/compute/v1/rest`
  //
  // This value is unspecified for resources that do not have an API based on a
  // discovery document, such as Cloud Bigtable.
  string discovery_document_uri = 2;

  // The JSON schema name listed in the discovery document. Example:
  // `Project`
  //
  // This value is unspecified for resources that do not have an API based on a
  // discovery document, such as Cloud Bigtable.
  string discovery_name = 3;

  // The REST URL for accessing the resource. An HTTP `GET` request using this
  // URL returns the resource itself. Example:
  // `https://cloudresourcemanager.googleapis.com/v1/projects/my-project-123`
  //
  // This value is unspecified for resources without a REST API.
  string resource_url = 4;

  // The full name of the immediate parent of this resource. See
  // [Resource
  // Names](https://cloud.google.com/apis/design/resource_names#full_resource_name)
  // for more information.
  //
  // For Google Cloud assets, this value is the parent resource defined in the
  // [Cloud IAM policy
  // hierarchy](https://cloud.google.com/iam/docs/overview#policy_hierarchy).
  // Example:
  // `//cloudresourcemanager.googleapis.com/projects/my_project_123`
  //
  // For third-party assets, this field may be set differently.
  string parent = 5;

  // The content of the resource, in which some sensitive fields are removed
  // and may not be present.
  google.protobuf.Struct data = 6;

  // The location of the resource in Google Cloud, such as its zone and region.
  // For more information, see https://cloud.google.com/about/locations/.
  string location = 8;
}

// A result of Resource Search, containing information of a cloud resource.
message ResourceSearchResult {
  // The full resource name of this resource. Example:
  // `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`.
  // See [Cloud Asset Inventory Resource Name
  // Format](https://cloud.google.com/asset-inventory/docs/resource-name-format)
  // for more information.
  //
  // To search against the `name`:
  //
  // * use a field query. Example: `name:instance1`
  // * use a free text query. Example: `instance1`
  string name = 1;

  // The type of this resource. Example: `compute.googleapis.com/Disk`.
  //
  // To search against the `asset_type`:
  //
  // * specify the `asset_type` field in your search request.
  string asset_type = 2;

  // The project that this resource belongs to, in the form of
  // projects/{PROJECT_NUMBER}.
  //
  // To search against the `project`:
  //
  // * specify the `scope` field as this project in your search request.
  string project = 3;

  // The display name of this resource.
  //
  // To search against the `display_name`:
  //
  // * use a field query. Example: `displayName:"My Instance"`
  // * use a free text query. Example: `"My Instance"`
  string display_name = 4;

  // One or more paragraphs of text description of this resource. Maximum length
  // could be up to 1M bytes.
  //
  // To search against the `description`:
  //
  // * use a field query. Example: `description:"*important instance*"`
  // * use a free text query. Example: `"*important instance*"`
  string description = 5;

  // Location can be `global`, regional like `us-east1`, or zonal like
  // `us-west1-b`.
  //
  // To search against the `location`:
  //
  // * use a field query. Example: `location:us-west*`
  // * use a free text query. Example: `us-west*`
  string location = 6;

  // Labels associated with this resource. See [Labelling and grouping GCP
  // resources](https://cloud.google.com/blog/products/gcp/labelling-and-grouping-your-google-cloud-platform-resources)
  // for more information.
  //
  // To search against the `labels`:
  //
  // * use a field query:
  //     - query on any label's key or value. Example: `labels:prod`
  //     - query by a given label. Example: `labels.env:prod`
  //     - query by a given label's existence. Example: `labels.env:*`
  // * use a free text query. Example: `prod`
  map<string, string> labels = 7;

  // Network tags associated with this resource. Like labels, network tags are a
  // type of annotations used to group GCP resources. See [Labelling GCP
  // resources](https://cloud.google.com/blog/products/gcp/labelling-and-grouping-your-google-cloud-platform-resources)
  // for more information.
  //
  // To search against the `network_tags`:
  //
  // * use a field query. Example: `networkTags:internal`
  // * use a free text query. Example: `internal`
  repeated string network_tags = 8;

  // The additional searchable attributes of this resource. The attributes may
  // vary from one resource type to another. Examples: `projectId` for Project,
  // `dnsName` for DNS ManagedZone. This field contains a subset of the resource
  // metadata fields that are returned by the List or Get APIs provided by the
  // corresponding GCP service (e.g., Compute Engine). see [API references and
  // supported searchable
  // attributes](https://cloud.google.com/asset-inventory/docs/supported-asset-types#searchable_asset_types)
  // for more information.
  //
  // You can search values of these fields through free text search. However,
  // you should not consume the field programically as the field names and
  // values may change as the GCP service updates to a new incompatible API
  // version.
  //
  // To search against the `additional_attributes`:
  //
  // * use a free text query to match the attributes values. Example: to search
  //   `additional_attributes = { dnsName: "foobar" }`, you can issue a query
  //   `foobar`.
  google.protobuf.Struct additional_attributes = 9;
}

// A result of IAM Policy search, containing information of an IAM policy.
message IamPolicySearchResult {
  // Explanation about the IAM policy search result.
  message Explanation {
    // IAM permissions
    message Permissions {
      // A list of permissions. A sample permission string: `compute.disk.get`.
      repeated string permissions = 1;
    }

    // The map from roles to their included permissions that match the
    // permission query (i.e., a query containing `policy.role.permissions:`).
    // Example: if query `policy.role.permissions:compute.disk.get`
    // matches a policy binding that contains owner role, the
    // matched_permissions will be `{"roles/owner": ["compute.disk.get"]}`. The
    // roles can also be found in the returned `policy` bindings. Note that the
    // map is populated only for requests with permission queries.
    map<string, Permissions> matched_permissions = 1;
  }

  // The full resource name of the resource associated with this IAM policy.
  // Example:
  // `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`.
  // See [Cloud Asset Inventory Resource Name
  // Format](https://cloud.google.com/asset-inventory/docs/resource-name-format)
  // for more information.
  //
  // To search against the `resource`:
  //
  // * use a field query. Example: `resource:organizations/123`
  string resource = 1;

  // The project that the associated GCP resource belongs to, in the form of
  // projects/{PROJECT_NUMBER}. If an IAM policy is set on a resource (like VM
  // instance, Cloud Storage bucket), the project field will indicate the
  // project that contains the resource. If an IAM policy is set on a folder or
  // orgnization, the project field will be empty.
  //
  // To search against the `project`:
  //
  // * specify the `scope` field as this project in your search request.
  string project = 2;

  // The IAM policy directly set on the given resource. Note that the original
  // IAM policy can contain multiple bindings. This only contains the bindings
  // that match the given query. For queries that don't contain a constrain on
  // policies (e.g., an empty query), this contains all the bindings.
  //
  // To search against the `policy` bindings:
  //
  // * use a field query:
  //     - query by the policy contained members. Example:
  //       `policy:amy@gmail.com`
  //     - query by the policy contained roles. Example:
  //       `policy:roles/compute.admin`
  //     - query by the policy contained roles' included permissions. Example:
  //       `policy.role.permissions:compute.instances.create`
  google.iam.v1.Policy policy = 3;

  // Explanation about the IAM policy search result. It contains additional
  // information to explain why the search result matches the query.
  Explanation explanation = 4;
}

// Represents the detailed state of an entity under analysis, such as a
// resource, an identity or an access.
message IamPolicyAnalysisState {
  // The Google standard error code that best describes the state.
  // For example:
  // - OK means the analysis on this entity has been successfully finished;
  // - PERMISSION_DENIED means an access denied error is encountered;
  // - DEADLINE_EXCEEDED means the analysis on this entity hasn't been started
  // in time;
  google.rpc.Code code = 1;

  // The human-readable description of the cause of failure.
  string cause = 2;
}

// IAM Policy analysis result, consisting of one IAM policy binding and derived
// access control lists.
message IamPolicyAnalysisResult {
  // The [full resource
  // name](https://cloud.google.com/asset-inventory/docs/resource-name-format)
  // of the resource to which the [iam_binding][iam_binding] policy attaches.
  // (-- api-linter: core::0122::name-suffix=disabled
  //     aip.dev/not-precedent: full_resource_name is a public notion in GCP.
  //     --)
  string attached_resource_full_name = 1;

  // The Cloud IAM policy binding under analysis.
  google.iam.v1.Binding iam_binding = 2;

  // A Google Cloud resource under analysis.
  message Resource {
    // The [full resource
    // name](https://cloud.google.com/asset-inventory/docs/resource-name-format)
    // (-- api-linter: core::0122::name-suffix=disabled
    //     aip.dev/not-precedent: full_resource_name is a public notion in GCP.
    //     --)
    string full_resource_name = 1;

    // The analysis state of this resource.
    IamPolicyAnalysisState analysis_state = 2;
  }

  // An IAM role or permission under analysis.
  message Access {
    oneof oneof_access {
      // The role.
      string role = 1;

      // The permission.
      string permission = 2;
    }

    // The analysis state of this access.
    IamPolicyAnalysisState analysis_state = 3;
  }

  // An identity under analysis.
  // (-- api-linter: core::0123::resource-annotation=disabled
  //     aip.dev/not-precedent: Identity name is not a resource. --)
  message Identity {
    // The identity name in any form of members appear in
    // [IAM policy
    // binding](https://cloud.google.com/iam/reference/rest/v1/Binding), such
    // as:
    // - user:foo@google.com
    // - group:group1@google.com
    // - serviceAccount:s1@prj1.iam.gserviceaccount.com
    // - projectOwner:some_project_id
    // - domain:google.com
    // - allUsers
    // - etc.
    //
    string name = 1;

    // The analysis state of this identity.
    IamPolicyAnalysisState analysis_state = 2;
  }

  // A directional edge.
  message Edge {
    // The source node of the edge. For example, it could be a full resource
    // name for a resource node or an email of an identity.
    string source_node = 1;

    // The target node of the edge. For example, it could be a full resource
    // name for a resource node or an email of an identity.
    string target_node = 2;
  }

  // An access control list, derived from the above IAM policy binding, which
  // contains a set of resources and accesses. May include one
  // item from each set to compose an access control entry.
  //
  // NOTICE that there could be multiple access control lists for one IAM policy
  // binding. The access control lists are created based on resource and access
  // combinations.
  //
  // For example, assume we have the following cases in one IAM policy binding:
  // - Permission P1 and P2 apply to resource R1 and R2;
  // - Permission P3 applies to resource R2 and R3;
  //
  // This will result in the following access control lists:
  // - AccessControlList 1: [R1, R2], [P1, P2]
  // - AccessControlList 2: [R2, R3], [P3]
  message AccessControlList {
    // The resources that match one of the following conditions:
    // - The resource_selector, if it is specified in request;
    // - Otherwise, resources reachable from the policy attached resource.
    repeated Resource resources = 1;

    // The accesses that match one of the following conditions:
    // - The access_selector, if it is specified in request;
    // - Otherwise, access specifiers reachable from the policy binding's role.
    repeated Access accesses = 2;

    // Resource edges of the graph starting from the policy attached
    // resource to any descendant resources. The [Edge.source_node][] contains
    // the full resource name of a parent resource and [Edge.target_node][]
    // contains the full resource name of a child resource. This field is
    // present only if the output_resource_edges option is enabled in request.
    repeated Edge resource_edges = 3;
  }

  // The access control lists derived from the [iam_binding][iam_binding] that
  // match or potentially match resource and access selectors specified in the
  // request.
  repeated AccessControlList access_control_lists = 3;

  // The identities and group edges.
  message IdentityList {
    // Only the identities that match one of the following conditions will be
    // presented:
    // - The identity_selector, if it is specified in request;
    // - Otherwise, identities reachable from the policy binding's members.
    repeated Identity identities = 1;

    // Group identity edges of the graph starting from the binding's
    // group members to any node of the [identities][]. The [Edge.source_node][]
    // contains a group, such as `group:parent@google.com`. The
    // [Edge.target_node][] contains a member of the group,
    // such as `group:child@google.com` or `user:foo@google.com`.
    // This field is present only if the output_group_edges option is enabled in
    // request.
    repeated Edge group_edges = 2;
  }

  // The identity list derived from members of the [iam_binding][iam_binding]
  // that match or potentially match identity selector specified in the request.
  IdentityList identity_list = 4;

  // Represents whether all analyses on the [iam_binding][iam_binding] have
  // successfully finished.
  bool fully_explored = 5;
}