1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
// Copyright 2018 Google LLC. All Rights Reserved.
//
// 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 submission
import (
"context"
"regexp"
"sync"
"testing"
"time"
ct "github.com/google/certificate-transparency-go"
"github.com/google/certificate-transparency-go/ctpolicy"
"github.com/google/certificate-transparency-go/testdata"
"github.com/google/certificate-transparency-go/tls"
)
func testdataSCT() *ct.SignedCertificateTimestamp {
var sct ct.SignedCertificateTimestamp
if _, err := tls.Unmarshal(testdata.TestPreCertProof, &sct); err != nil {
panic(err)
}
return &sct
}
type mockSubmitter struct {
fixedDelay map[byte]time.Duration
firstLetterURLReqNumber map[byte]int
mu sync.Mutex
}
// Each request within same Log-group gets additional sleep period.
func (ms *mockSubmitter) SubmitToLog(_ context.Context, logURL string, _ []ct.ASN1Cert, _ bool) (*ct.SignedCertificateTimestamp, error) {
ms.mu.Lock()
reqNum := ms.firstLetterURLReqNumber[logURL[0]]
ms.firstLetterURLReqNumber[logURL[0]]++
ms.mu.Unlock()
sct := testdataSCT()
time.Sleep(time.Duration(500*reqNum)*time.Millisecond + ms.fixedDelay[logURL[0]])
return sct, nil
}
func evaluateSCTs(t *testing.T, got []*AssignedSCT, trail map[string]int) {
t.Helper()
for _, sct := range got {
if _, ok := trail[ctpolicy.BaseName]; ok {
trail[ctpolicy.BaseName]--
if trail[sct.LogURL[0:1]] > 0 {
trail[sct.LogURL[0:1]]--
}
} else {
trail[sct.LogURL[0:1]]--
}
}
for groupName, count := range trail {
// It's possible to get more SCTs for Log-group than minimally-required.
// If group completion happened in-between Log-request and response. Or in case of group-intersection.
if count > 0 {
for _, s := range got {
t.Errorf("%v\n", s.LogURL)
}
t.Errorf("Got %v. Received %d less SCTs from group %q than expected", got, count, groupName)
} else if count < 0 {
for _, s := range got {
t.Errorf("%v\n", s.LogURL)
}
t.Errorf("Got %v. Received %d more SCTs from group %q than expected", got, -count, groupName)
}
}
}
func TestGetSCTs(t *testing.T) {
testCases := []struct {
name string
sbMock Submitter
groups ctpolicy.LogPolicyData
resultTrail map[string]int
errRegexp *regexp.Regexp
}{
{
name: "singleGroupOneSCT",
sbMock: &mockSubmitter{fixedDelay: map[byte]time.Duration{'a': 0}, firstLetterURLReqNumber: make(map[byte]int)},
groups: ctpolicy.LogPolicyData{
"a": {
Name: "a",
LogURLs: map[string]bool{"a1.com": true, "a2.com": true},
MinInclusions: 1,
IsBase: false,
LogWeights: map[string]float32{"a1.com": 1.0, "a2.com": 1.0},
},
},
resultTrail: map[string]int{"a": 1},
},
{
name: "singleGroupMultiSCT",
sbMock: &mockSubmitter{fixedDelay: map[byte]time.Duration{'a': 0}, firstLetterURLReqNumber: make(map[byte]int)},
groups: ctpolicy.LogPolicyData{
"a": {
Name: "a",
LogURLs: map[string]bool{"a1.com": true, "a2.com": true, "a3.com": true, "a4.com": true, "a5.com": true},
MinInclusions: 3,
IsBase: false,
LogWeights: map[string]float32{"a1.com": 1.0, "a2.com": 1.0, "a3.com": 1.0, "a4.com": 1.0, "a5.com": 1.0},
},
},
resultTrail: map[string]int{"a": 3},
},
{
name: "chromeLike",
sbMock: &mockSubmitter{fixedDelay: map[byte]time.Duration{'a': 0, 'b': 2 * time.Second}, firstLetterURLReqNumber: make(map[byte]int)},
groups: ctpolicy.LogPolicyData{
"a": {
Name: "a",
LogURLs: map[string]bool{"a1.com": true, "a2.com": true, "a3.com": true, "a4.com": true},
MinInclusions: 1,
IsBase: false,
LogWeights: map[string]float32{"a1.com": 1.0, "a2.com": 1.0, "a3.com": 1.0, "a4.com": 1.0},
},
"b": {
Name: "b",
LogURLs: map[string]bool{"b1.com": true, "b2.com": true, "b3.com": true, "b4.com": true},
MinInclusions: 1,
IsBase: false,
LogWeights: map[string]float32{"b1.com": 1.0, "b2.com": 1.0, "b3.com": 1.0, "b4.com": 1.0},
},
ctpolicy.BaseName: {
Name: ctpolicy.BaseName,
LogURLs: map[string]bool{"a1.com": true, "a2.com": true, "a3.com": true, "a4.com": true, "b1.com": true, "b2.com": true, "b3.com": true, "b4.com": true},
MinInclusions: 5,
IsBase: true,
LogWeights: map[string]float32{"a1.com": 1.0, "a2.com": 1.0, "a3.com": 1.0, "a4.com": 1.0, "b1.com": 1.0, "b2.com": 1.0, "b3.com": 1.0, "b4.com": 1.0},
},
},
resultTrail: map[string]int{"a": 1, "b": 1, ctpolicy.BaseName: 5},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
res, err := GetSCTs(ctx, tc.sbMock, []ct.ASN1Cert{{Data: []byte{0}}}, true, tc.groups)
if tc.resultTrail != nil {
evaluateSCTs(t, res, tc.resultTrail)
}
if tc.errRegexp == nil {
if err != nil {
t.Fatalf("GetSCTs() got err=%q want nil", err)
}
return
}
// If we reach here then we expected an error.
if err == nil {
t.Fatalf("GetSCTs() got err=nil want err matching: %q", tc.errRegexp)
}
if !tc.errRegexp.MatchString(err.Error()) {
t.Errorf("GetSCTs() got err=%q want err matching: %q", err, tc.errRegexp)
}
})
}
}
|
