go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/tokenserver/appengine/impl/certchecker/rpc_is_revoked_cert.go (about)

     1  // Copyright 2016 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package certchecker
    16  
    17  import (
    18  	"context"
    19  	"math/big"
    20  
    21  	"google.golang.org/grpc/codes"
    22  	"google.golang.org/grpc/status"
    23  
    24  	"go.chromium.org/luci/tokenserver/api/admin/v1"
    25  )
    26  
    27  // IsRevokedCertRPC implements CertificateAuthorities.IsRevokedCert RPC method.
    28  type IsRevokedCertRPC struct {
    29  }
    30  
    31  // IsRevokedCert says whether a certificate serial number is in the CRL.
    32  func (r *IsRevokedCertRPC) IsRevokedCert(c context.Context, req *admin.IsRevokedCertRequest) (*admin.IsRevokedCertResponse, error) {
    33  	sn := big.Int{}
    34  	if _, ok := sn.SetString(req.Sn, 0); !ok {
    35  		return nil, status.Errorf(codes.InvalidArgument, "can't parse 'sn'")
    36  	}
    37  
    38  	checker, err := GetCertChecker(c, req.Ca)
    39  	if err != nil {
    40  		if details, ok := err.(Error); ok && details.Reason == NoSuchCA {
    41  			return nil, status.Errorf(codes.NotFound, "no such CA: %q", req.Ca)
    42  		}
    43  		return nil, status.Errorf(codes.Internal, "failed to check %q CRL - %s", req.Ca, err)
    44  	}
    45  
    46  	revoked, err := checker.CRL.IsRevokedSN(c, &sn)
    47  	if err != nil {
    48  		return nil, status.Errorf(codes.Internal, "failed to check %q CRL - %s", req.Ca, err)
    49  	}
    50  
    51  	return &admin.IsRevokedCertResponse{Revoked: revoked}, nil
    52  }