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// Copyright The Notary Project Authors.
// 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.
package tspclient
import (
"crypto"
"crypto/rand"
"crypto/x509/pkix"
"encoding/asn1"
"errors"
"fmt"
"reflect"
"testing"
"github.com/notaryproject/tspclient-go/internal/hashutil"
"github.com/notaryproject/tspclient-go/internal/oid"
)
func TestNewRequest(t *testing.T) {
message := []byte("test")
var malformedRequest *MalformedRequestError
opts := RequestOptions{}
expectedErrMsg := "malformed timestamping request: content to be time stamped cannot be empty"
_, err := NewRequest(opts)
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
opts = RequestOptions{
Content: message,
HashAlgorithm: crypto.SHA1,
}
expectedErrMsg = fmt.Sprintf("malformed timestamping request: unsupported hashing algorithm: %s", crypto.SHA1)
_, err = NewRequest(opts)
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
opts = RequestOptions{
Content: message,
HashAlgorithm: crypto.SHA256,
}
req, err := NewRequest(opts)
if err != nil {
t.Fatalf("expected nil error, but got %v", err)
}
if !reflect.DeepEqual(req.MessageImprint.HashAlgorithm.Parameters, asn1NullRawValue) {
t.Fatalf("expected %v, but got %v", asn1NullRawValue, req.MessageImprint.HashAlgorithm.Parameters)
}
opts = RequestOptions{
Content: message,
HashAlgorithm: crypto.SHA256,
HashAlgorithmParameters: asn1.NullRawValue,
}
req, err = NewRequest(opts)
if err != nil {
t.Fatalf("expected nil error, but got %v", err)
}
if !reflect.DeepEqual(req.MessageImprint.HashAlgorithm.Parameters, asn1NullRawValue) {
t.Fatalf("expected %v, but got %v", asn1NullRawValue, req.MessageImprint.HashAlgorithm.Parameters)
}
defaultRandReader := rand.Reader
rand.Reader = &dummyRandReader{}
defer func() {
rand.Reader = defaultRandReader
}()
opts = RequestOptions{
Content: message,
HashAlgorithm: crypto.SHA256,
}
expectedErrMsg = "malformed timestamping request: failed to generate nonce"
_, err = NewRequest(opts)
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
}
func TestRequestMarshalBinary(t *testing.T) {
var r *Request
_, err := r.MarshalBinary()
if err == nil || err.Error() != "nil request" {
t.Fatalf("expected error 'nil request', but got %v", err)
}
opts := RequestOptions{
Content: []byte("test"),
HashAlgorithm: crypto.SHA256,
}
req, err := NewRequest(opts)
if err != nil {
t.Fatalf("NewRequest() error = %v", err)
}
_, err = req.MarshalBinary()
if err != nil {
t.Fatal(err)
}
}
func TestRequestUnmarshalBinary(t *testing.T) {
var r *Request
expectedErrMsg := "asn1: Unmarshal recipient value is nil *tspclient.Request"
err := r.UnmarshalBinary([]byte("test"))
if err == nil || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
}
func TestValidateRequest(t *testing.T) {
var r *Request
var malformedRequest *MalformedRequestError
expectedErrMsg := "malformed timestamping request: request cannot be nil"
err := r.Validate()
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
r = &Request{
Version: 2,
}
expectedErrMsg = "malformed timestamping request: request version must be 1, but got 2"
err = r.Validate()
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
r = &Request{
Version: 1,
MessageImprint: MessageImprint{
HashAlgorithm: pkix.AlgorithmIdentifier{
Algorithm: asn1.ObjectIdentifier{1},
},
},
}
expectedErrMsg = "malformed timestamping request: hash algorithm 1 is unavailable"
err = r.Validate()
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
digest, err := hashutil.ComputeHash(crypto.SHA384, []byte("test"))
if err != nil {
t.Fatal(err)
}
r = &Request{
Version: 1,
MessageImprint: MessageImprint{
HashAlgorithm: pkix.AlgorithmIdentifier{
Algorithm: oid.SHA256,
},
HashedMessage: digest,
},
}
expectedErrMsg = "malformed timestamping request: hashed message is of incorrect size 48"
err = r.Validate()
if err == nil || !errors.As(err, &malformedRequest) || err.Error() != expectedErrMsg {
t.Fatalf("expected error %s, but got %v", expectedErrMsg, err)
}
}
type dummyRandReader struct{}
func (r *dummyRandReader) Read(b []byte) (int, error) {
return 0, errors.New("failed to read")
}
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