mirror of https://github.com/status-im/consul.git
123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package resource
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import (
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"context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/internal/resource"
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"github.com/hashicorp/consul/internal/storage"
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"github.com/hashicorp/consul/proto-public/pbresource"
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)
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func (s *Server) List(ctx context.Context, req *pbresource.ListRequest) (*pbresource.ListResponse, error) {
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reg, err := s.validateListRequest(req)
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if err != nil {
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return nil, err
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}
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// v1 ACL subsystem is "wildcard" aware so just pass on through.
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entMeta := v2TenancyToV1EntMeta(req.Tenancy)
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token := tokenFromContext(ctx)
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authz, authzContext, err := s.getAuthorizer(token, entMeta)
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if err != nil {
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return nil, err
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}
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// Check ACLs.
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err = reg.ACLs.List(authz, authzContext)
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switch {
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case acl.IsErrPermissionDenied(err):
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return nil, status.Error(codes.PermissionDenied, err.Error())
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case err != nil:
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return nil, status.Errorf(codes.Internal, "failed list acl: %v", err)
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}
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// Ensure we're defaulting correctly when request tenancy units are empty.
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v1EntMetaToV2Tenancy(reg, entMeta, req.Tenancy)
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resources, err := s.Backend.List(
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ctx,
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readConsistencyFrom(ctx),
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storage.UnversionedTypeFrom(req.Type),
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req.Tenancy,
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req.NamePrefix,
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)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed list: %v", err)
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}
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result := make([]*pbresource.Resource, 0)
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for _, resource := range resources {
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// Filter out non-matching GroupVersion.
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if resource.Id.Type.GroupVersion != req.Type.GroupVersion {
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continue
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}
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// Need to rebuild authorizer per resource since wildcard inputs may
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// result in different tenancies. Consider caching per tenancy if this
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// is deemed expensive.
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entMeta = v2TenancyToV1EntMeta(resource.Id.Tenancy)
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authz, authzContext, err = s.getAuthorizer(token, entMeta)
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if err != nil {
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return nil, err
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}
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// Filter out items that don't pass read ACLs.
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err = reg.ACLs.Read(authz, authzContext, resource.Id, resource)
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switch {
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case acl.IsErrPermissionDenied(err):
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continue
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case err != nil:
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return nil, status.Errorf(codes.Internal, "failed read acl: %v", err)
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}
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result = append(result, resource)
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}
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return &pbresource.ListResponse{Resources: result}, nil
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}
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func (s *Server) validateListRequest(req *pbresource.ListRequest) (*resource.Registration, error) {
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var field string
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switch {
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case req.Type == nil:
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field = "type"
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case req.Tenancy == nil:
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field = "tenancy"
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}
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if field != "" {
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return nil, status.Errorf(codes.InvalidArgument, "%s is required", field)
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}
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// Check type exists.
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reg, err := s.resolveType(req.Type)
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if err != nil {
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return nil, err
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}
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if err = checkV2Tenancy(s.UseV2Tenancy, req.Type); err != nil {
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return nil, err
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}
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if err := validateWildcardTenancy(req.Tenancy, req.NamePrefix); err != nil {
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return nil, err
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}
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// Error when partition scoped and namespace not empty.
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if reg.Scope == resource.ScopePartition && req.Tenancy.Namespace != "" {
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return nil, status.Errorf(
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codes.InvalidArgument,
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"partition scoped type %s cannot have a namespace. got: %s",
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resource.ToGVK(req.Type),
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req.Tenancy.Namespace,
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)
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}
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return reg, nil
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}
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