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
174
175
176
177
178
179
180
181
182
183
184
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/internal_auth.h"
#include <stddef.h>
#include <algorithm>
#include "base/lazy_instance.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
class InternalAuthTest : public ::testing::Test {
public:
InternalAuthTest() {
long_string_ = "seed";
for (int i = 20; i--;)
long_string_ += long_string_;
}
~InternalAuthTest() override {}
void SetUp() override {}
void TearDown() override {}
base::test::SingleThreadTaskEnvironment task_environment_;
std::string long_string_;
};
TEST_F(InternalAuthTest, BasicGeneration) {
std::map<std::string, std::string> map;
map["key"] = "value";
std::string token = InternalAuthGeneration::GeneratePassport(
"zapata", map);
ASSERT_GT(token.size(), 10u); // short token is insecure.
map["key2"] = "value2";
token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_GT(token.size(), 10u);
}
TEST_F(InternalAuthTest, DoubleGeneration) {
std::map<std::string, std::string> map;
map["key"] = "value";
std::string token1 = InternalAuthGeneration::GeneratePassport(
"zapata", map);
ASSERT_GT(token1.size(), 10u);
std::string token2 = InternalAuthGeneration::GeneratePassport(
"zapata", map);
ASSERT_GT(token2.size(), 10u);
// tokens are different even if credentials coincide.
ASSERT_NE(token1, token2);
}
TEST_F(InternalAuthTest, BadGeneration) {
std::map<std::string, std::string> map;
map["key"] = "value";
// Trying huge domain.
std::string token = InternalAuthGeneration::GeneratePassport(
long_string_, map);
ASSERT_TRUE(token.empty());
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(
token, long_string_, map));
// Trying empty domain.
token = InternalAuthGeneration::GeneratePassport(std::string(), map);
ASSERT_TRUE(token.empty());
ASSERT_FALSE(
InternalAuthVerification::VerifyPassport(token, std::string(), map));
std::string dummy("abcdefghij");
for (size_t i = 1000; i--;) {
std::string key = dummy;
std::next_permutation(dummy.begin(), dummy.end());
std::string value = dummy;
std::next_permutation(dummy.begin(), dummy.end());
map[key] = value;
}
// Trying huge var=value map.
token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_TRUE(token.empty());
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
map.clear();
map[std::string()] = "value";
// Trying empty key.
token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_TRUE(token.empty());
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
}
TEST_F(InternalAuthTest, BasicVerification) {
std::map<std::string, std::string> map;
map["key"] = "value";
std::string token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_GT(token.size(), 10u);
ASSERT_TRUE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
// Passport can not be reused.
for (int i = 1000; i--;) {
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(
token, "zapata", map));
}
}
TEST_F(InternalAuthTest, BruteForce) {
std::map<std::string, std::string> map;
map["key"] = "value";
std::string token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_GT(token.size(), 10u);
// Trying bruteforce.
std::string dummy = token;
for (size_t i = 100; i--;) {
std::next_permutation(dummy.begin(), dummy.end());
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(
dummy, "zapata", map));
}
dummy = token;
for (size_t i = 100; i--;) {
std::next_permutation(dummy.begin(), dummy.begin() + dummy.size() / 2);
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(
dummy, "zapata", map));
}
// We brute forced just too little, so original token must not expire yet.
ASSERT_TRUE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
}
TEST_F(InternalAuthTest, ExpirationAndBruteForce) {
int kCustomVerificationWindow = 2;
InternalAuthVerification::set_verification_window_seconds(
kCustomVerificationWindow);
std::map<std::string, std::string> map;
map["key"] = "value";
std::string token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_GT(token.size(), 10u);
// We want to test token expiration, so we need to wait some amount of time,
// so we are brute-forcing during this time.
base::Time timestamp = base::Time::Now();
std::string dummy1 = token;
std::string dummy2 = token;
for (;;) {
for (size_t i = 100; i--;) {
std::next_permutation(dummy1.begin(), dummy1.end());
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(
dummy1, "zapata", map));
}
for (size_t i = 100; i--;) {
std::next_permutation(dummy2.begin(), dummy2.begin() + dummy2.size() / 2);
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(
dummy2, "zapata", map));
}
if (base::Time::Now() - timestamp >
base::Seconds(kCustomVerificationWindow + 1)) {
break;
}
}
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
// Reset verification window to default.
InternalAuthVerification::set_verification_window_seconds(0);
}
TEST_F(InternalAuthTest, ChangeKey) {
std::map<std::string, std::string> map;
map["key"] = "value";
std::string token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_GT(token.size(), 10u);
InternalAuthGeneration::GenerateNewKey();
// Passport should survive key change.
ASSERT_TRUE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
token = InternalAuthGeneration::GeneratePassport("zapata", map);
ASSERT_GT(token.size(), 10u);
for (int i = 20; i--;)
InternalAuthGeneration::GenerateNewKey();
// Passport should not survive series of key changes.
ASSERT_FALSE(InternalAuthVerification::VerifyPassport(token, "zapata", map));
}
|
