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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/ssl_errors/error_info.h"
#include <stddef.h>
#include "base/i18n/message_formatter.h"
#include "base/notreached.h"
#include "base/strings/escape.h"
#include "base/strings/utf_string_conversions.h"
#include "components/strings/grit/components_strings.h"
#include "net/base/net_errors.h"
#include "net/cert/cert_status_flags.h"
#include "net/ssl/ssl_info.h"
#include "ui/base/l10n/l10n_util.h"
#include "url/gurl.h"
using base::UTF8ToUTF16;
namespace ssl_errors {
ErrorInfo::ErrorInfo(const std::u16string& details,
const std::u16string& short_description)
: details_(details), short_description_(short_description) {}
// static
ErrorInfo ErrorInfo::CreateError(ErrorType error_type,
net::X509Certificate* cert,
const GURL& request_url) {
std::u16string details, short_description;
switch (error_type) {
case CERT_COMMON_NAME_INVALID: {
std::vector<std::string> dns_names;
cert->GetSubjectAltName(&dns_names, nullptr);
size_t i = 0;
if (dns_names.empty()) {
// The certificate had no DNS names, display an explanatory string.
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_NO_SUBJECT_ALTERNATIVE_NAMES_DETAILS,
UTF8ToUTF16(request_url.host()));
} else {
// If the certificate contains multiple DNS names, we choose the most
// representative one -- either the DNS name that's also in the subject
// field, or the first one. If this heuristic turns out to be
// inadequate, we can consider choosing the DNS name that is the
// "closest match" to the host name in the request URL, or listing all
// the DNS names with an HTML <ul>.
for (; i < dns_names.size(); ++i) {
if (dns_names[i] == cert->subject().common_name)
break;
}
if (i == dns_names.size())
i = 0;
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_COMMON_NAME_INVALID_DETAILS,
UTF8ToUTF16(request_url.host()),
base::EscapeForHTML(UTF8ToUTF16(dns_names[i])));
}
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_COMMON_NAME_INVALID_DESCRIPTION);
break;
}
case CERT_DATE_INVALID:
if (cert->HasExpired()) {
// Make sure to round up to the smallest integer value not less than
// the expiration value (https://crbug.com/476758).
int expiration_value =
(base::Time::Now() - cert->valid_expiry()).InDays() + 1;
details = base::i18n::MessageFormatter::FormatWithNumberedArgs(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXPIRED_DETAILS),
request_url.host(), expiration_value, base::Time::Now());
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXPIRED_DESCRIPTION);
} else if (base::Time::Now() < cert->valid_start()) {
details = base::i18n::MessageFormatter::FormatWithNumberedArgs(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_YET_VALID_DETAILS),
request_url.host(),
(cert->valid_start() - base::Time::Now()).InDays());
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_YET_VALID_DESCRIPTION);
} else {
// Two possibilities: (1) an intermediate or root certificate has
// expired, or (2) the certificate has become valid since the error
// occurred. Both are probably rare cases. To avoid giving the wrong
// date, remove the information.
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_NOT_VALID_AT_THIS_TIME_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NOT_VALID_AT_THIS_TIME_DESCRIPTION);
}
break;
case CERT_KNOWN_INTERCEPTION_BLOCKED:
case CERT_AUTHORITY_INVALID:
case CERT_SYMANTEC_LEGACY:
details =
l10n_util::GetStringFUTF16(IDS_CERT_ERROR_AUTHORITY_INVALID_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_AUTHORITY_INVALID_DESCRIPTION);
break;
case CERT_CONTAINS_ERRORS:
details =
l10n_util::GetStringFUTF16(IDS_CERT_ERROR_CONTAINS_ERRORS_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_CONTAINS_ERRORS_DESCRIPTION);
break;
case CERT_NO_REVOCATION_MECHANISM:
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_DESCRIPTION);
break;
case CERT_REVOKED:
details = l10n_util::GetStringFUTF16(IDS_CERT_ERROR_REVOKED_CERT_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_REVOKED_CERT_DESCRIPTION);
break;
case CERT_INVALID:
details = l10n_util::GetStringFUTF16(IDS_CERT_ERROR_INVALID_CERT_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_INVALID_CERT_DESCRIPTION);
break;
case CERT_WEAK_SIGNATURE_ALGORITHM:
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_DESCRIPTION);
break;
case CERT_WEAK_KEY:
details = l10n_util::GetStringFUTF16(IDS_CERT_ERROR_WEAK_KEY_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_WEAK_KEY_DESCRIPTION);
break;
case CERT_NAME_CONSTRAINT_VIOLATION:
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_NAME_CONSTRAINT_VIOLATION_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NAME_CONSTRAINT_VIOLATION_DESCRIPTION);
break;
case CERT_VALIDITY_TOO_LONG:
details =
l10n_util::GetStringFUTF16(IDS_CERT_ERROR_VALIDITY_TOO_LONG_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_VALIDITY_TOO_LONG_DESCRIPTION);
break;
case CERT_PINNED_KEY_MISSING:
details = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_SUMMARY_PINNING_FAILURE_DETAILS);
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_SUMMARY_PINNING_FAILURE_DESCRIPTION);
break;
case CERT_UNABLE_TO_CHECK_REVOCATION:
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_DETAILS,
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_DESCRIPTION);
break;
case CERTIFICATE_TRANSPARENCY_REQUIRED:
details = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_CERTIFICATE_TRANSPARENCY_REQUIRED_DETAILS);
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_CERTIFICATE_TRANSPARENCY_REQUIRED_DESCRIPTION);
break;
case UNKNOWN:
details = l10n_util::GetStringUTF16(IDS_CERT_ERROR_UNKNOWN_ERROR_DETAILS);
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_UNKNOWN_ERROR_DESCRIPTION);
break;
default:
NOTREACHED();
}
return ErrorInfo(details, short_description);
}
ErrorInfo::~ErrorInfo() {}
// static
ErrorInfo::ErrorType ErrorInfo::NetErrorToErrorType(int net_error) {
switch (net_error) {
case net::ERR_CERT_COMMON_NAME_INVALID:
return CERT_COMMON_NAME_INVALID;
case net::ERR_CERT_DATE_INVALID:
return CERT_DATE_INVALID;
case net::ERR_CERT_AUTHORITY_INVALID:
return CERT_AUTHORITY_INVALID;
case net::ERR_CERT_CONTAINS_ERRORS:
return CERT_CONTAINS_ERRORS;
case net::ERR_CERT_NO_REVOCATION_MECHANISM:
return CERT_NO_REVOCATION_MECHANISM;
case net::ERR_CERT_UNABLE_TO_CHECK_REVOCATION:
return CERT_UNABLE_TO_CHECK_REVOCATION;
case net::ERR_CERT_REVOKED:
return CERT_REVOKED;
case net::ERR_CERT_INVALID:
return CERT_INVALID;
case net::ERR_CERT_WEAK_SIGNATURE_ALGORITHM:
return CERT_WEAK_SIGNATURE_ALGORITHM;
case net::ERR_CERT_WEAK_KEY:
return CERT_WEAK_KEY;
case net::ERR_CERT_NAME_CONSTRAINT_VIOLATION:
return CERT_NAME_CONSTRAINT_VIOLATION;
case net::ERR_CERT_VALIDITY_TOO_LONG:
return CERT_VALIDITY_TOO_LONG;
case net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN:
return CERT_PINNED_KEY_MISSING;
case net::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED:
return CERTIFICATE_TRANSPARENCY_REQUIRED;
case net::ERR_CERT_SYMANTEC_LEGACY:
return CERT_SYMANTEC_LEGACY;
case net::ERR_CERT_KNOWN_INTERCEPTION_BLOCKED:
return CERT_KNOWN_INTERCEPTION_BLOCKED;
default:
NOTREACHED();
return UNKNOWN;
}
}
// static
void ErrorInfo::GetErrorsForCertStatus(
const scoped_refptr<net::X509Certificate>& cert,
net::CertStatus cert_status,
const GURL& url,
std::vector<ErrorInfo>* errors) {
const net::CertStatus kErrorFlags[] = {
net::CERT_STATUS_COMMON_NAME_INVALID,
net::CERT_STATUS_DATE_INVALID,
net::CERT_STATUS_AUTHORITY_INVALID,
net::CERT_STATUS_NO_REVOCATION_MECHANISM,
net::CERT_STATUS_UNABLE_TO_CHECK_REVOCATION,
net::CERT_STATUS_REVOKED,
net::CERT_STATUS_INVALID,
net::CERT_STATUS_WEAK_SIGNATURE_ALGORITHM,
net::CERT_STATUS_WEAK_KEY,
net::CERT_STATUS_NAME_CONSTRAINT_VIOLATION,
net::CERT_STATUS_VALIDITY_TOO_LONG,
net::CERT_STATUS_CERTIFICATE_TRANSPARENCY_REQUIRED,
net::CERT_STATUS_SYMANTEC_LEGACY,
net::CERT_STATUS_KNOWN_INTERCEPTION_BLOCKED,
};
const ErrorType kErrorTypes[] = {
CERT_COMMON_NAME_INVALID,
CERT_DATE_INVALID,
CERT_AUTHORITY_INVALID,
CERT_NO_REVOCATION_MECHANISM,
CERT_UNABLE_TO_CHECK_REVOCATION,
CERT_REVOKED,
CERT_INVALID,
CERT_WEAK_SIGNATURE_ALGORITHM,
CERT_WEAK_KEY,
CERT_NAME_CONSTRAINT_VIOLATION,
CERT_VALIDITY_TOO_LONG,
CERTIFICATE_TRANSPARENCY_REQUIRED,
CERT_SYMANTEC_LEGACY,
CERT_KNOWN_INTERCEPTION_BLOCKED,
};
DCHECK(std::size(kErrorFlags) == std::size(kErrorTypes));
for (size_t i = 0; i < std::size(kErrorFlags); ++i) {
if ((cert_status & kErrorFlags[i]) && errors) {
errors->push_back(
ErrorInfo::CreateError(kErrorTypes[i], cert.get(), url));
}
}
}
} // namespace ssl_errors
|
