1 // Copyright 2023 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "net/cert/time_conversions.h"
6
7 #include "base/strings/string_piece.h"
8 #include "base/time/time.h"
9 #include "testing/gtest/include/gtest/gtest.h"
10 #include "third_party/boringssl/src/pki/parse_values.h"
11
12 namespace net::test {
13
TEST(TimeConversionsTest,EncodeTimeAsGeneralizedTime)14 TEST(TimeConversionsTest, EncodeTimeAsGeneralizedTime) {
15 // Fri, 24 Jun 2016 17:04:54 GMT
16 base::Time time = base::Time::UnixEpoch() + base::Seconds(1466787894);
17 bssl::der::GeneralizedTime generalized_time;
18 ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
19 EXPECT_EQ(2016, generalized_time.year);
20 EXPECT_EQ(6, generalized_time.month);
21 EXPECT_EQ(24, generalized_time.day);
22 EXPECT_EQ(17, generalized_time.hours);
23 EXPECT_EQ(4, generalized_time.minutes);
24 EXPECT_EQ(54, generalized_time.seconds);
25
26 time = base::Time::UnixEpoch() + base::Seconds(253402300799);
27 ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
28 EXPECT_EQ(9999, generalized_time.year);
29 EXPECT_EQ(12, generalized_time.month);
30 EXPECT_EQ(31, generalized_time.day);
31 EXPECT_EQ(23, generalized_time.hours);
32 EXPECT_EQ(59, generalized_time.minutes);
33 EXPECT_EQ(59, generalized_time.seconds);
34
35 time = base::Time::UnixEpoch() + base::Seconds(-62167219200);
36 ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
37 EXPECT_EQ(0, generalized_time.year);
38 EXPECT_EQ(1, generalized_time.month);
39 EXPECT_EQ(1, generalized_time.day);
40 EXPECT_EQ(0, generalized_time.hours);
41 EXPECT_EQ(0, generalized_time.minutes);
42 EXPECT_EQ(0, generalized_time.seconds);
43
44 time = base::Time::UnixEpoch() + base::Seconds(253402300800);
45 EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
46
47 time = base::Time::UnixEpoch() + base::Seconds(-62167219201);
48 EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
49
50 time = base::Time::Max();
51 EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
52
53 time = base::Time::Min();
54 EXPECT_FALSE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
55 }
56
TEST(TimeConversionsTest,GeneralizedTimeToTime)57 TEST(TimeConversionsTest, GeneralizedTimeToTime) {
58 bssl::der::GeneralizedTime generalized_time;
59 generalized_time.year = 2016;
60 generalized_time.month = 6;
61 generalized_time.day = 24;
62 generalized_time.hours = 17;
63 generalized_time.minutes = 4;
64 generalized_time.seconds = 54;
65 base::Time time;
66 ASSERT_TRUE(GeneralizedTimeToTime(generalized_time, &time));
67 EXPECT_EQ(base::Time::UnixEpoch() + base::Seconds(1466787894), time);
68
69 // Invalid and out of range values should be rejected
70 generalized_time.day = 0;
71 EXPECT_FALSE(GeneralizedTimeToTime(generalized_time, &time));
72 generalized_time.day = 24;
73 generalized_time.year = 10000;
74 EXPECT_FALSE(GeneralizedTimeToTime(generalized_time, &time));
75 generalized_time.year = -1;
76 EXPECT_FALSE(GeneralizedTimeToTime(generalized_time, &time));
77 }
78
79 // A time from before the Windows epoch should work.
TEST(TimeConversionsTest,TimeBeforeWindowsEpoch)80 TEST(TimeConversionsTest, TimeBeforeWindowsEpoch) {
81 bssl::der::GeneralizedTime generalized_time;
82 generalized_time.year = 1570;
83 generalized_time.month = 1;
84 generalized_time.day = 1;
85 generalized_time.hours = 0;
86 generalized_time.minutes = 0;
87 generalized_time.seconds = 0;
88
89 base::Time time;
90 ASSERT_TRUE(GeneralizedTimeToTime(generalized_time, &time));
91
92 ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
93 EXPECT_EQ(1570, generalized_time.year);
94 EXPECT_EQ(1, generalized_time.month);
95 EXPECT_EQ(1, generalized_time.day);
96 EXPECT_EQ(0, generalized_time.hours);
97 EXPECT_EQ(0, generalized_time.minutes);
98 EXPECT_EQ(0, generalized_time.seconds);
99 }
100
101 // A time in seconds larger than a 32 bit signed integer should work.
TEST(TimeConversionsTest,TimeAfter32BitPosixMaxYear)102 TEST(TimeConversionsTest, TimeAfter32BitPosixMaxYear) {
103 bssl::der::GeneralizedTime generalized_time;
104 generalized_time.year = 2039;
105 generalized_time.month = 1;
106 generalized_time.day = 1;
107 generalized_time.hours = 0;
108 generalized_time.minutes = 0;
109 generalized_time.seconds = 0;
110
111 base::Time time;
112 ASSERT_TRUE(GeneralizedTimeToTime(generalized_time, &time));
113
114 ASSERT_TRUE(EncodeTimeAsGeneralizedTime(time, &generalized_time));
115 EXPECT_EQ(2039, generalized_time.year);
116 EXPECT_EQ(1, generalized_time.month);
117 EXPECT_EQ(1, generalized_time.day);
118 EXPECT_EQ(0, generalized_time.hours);
119 EXPECT_EQ(0, generalized_time.minutes);
120 EXPECT_EQ(0, generalized_time.seconds);
121 }
122
123 } // namespace net::test
124