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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ssl/ssl_error_info.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/cert_store.h"
#include "chrome/common/time_format.h"
#include "googleurl/src/gurl.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "net/base/cert_status_flags.h"
#include "net/base/net_errors.h"
#include "net/base/ssl_info.h"
#include "ui/base/l10n/l10n_util.h"
SSLErrorInfo::SSLErrorInfo(const string16& title,
const string16& details,
const string16& short_description,
const std::vector<string16>& extra_info)
: title_(title),
details_(details),
short_description_(short_description),
extra_information_(extra_info) {
}
// static
SSLErrorInfo SSLErrorInfo::CreateError(ErrorType error_type,
net::X509Certificate* cert,
const GURL& request_url) {
string16 title, details, short_description;
std::vector<string16> extra_info;
switch (error_type) {
case CERT_COMMON_NAME_INVALID: {
title =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_COMMON_NAME_INVALID_TITLE);
// 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>.
std::vector<std::string> dns_names;
cert->GetDNSNames(&dns_names);
DCHECK(!dns_names.empty());
size_t i = 0;
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()),
UTF8ToUTF16(dns_names[i]),
UTF8ToUTF16(request_url.host()));
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_COMMON_NAME_INVALID_DESCRIPTION);
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1));
extra_info.push_back(
l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_COMMON_NAME_INVALID_EXTRA_INFO_2,
UTF8ToUTF16(cert->subject().common_name),
UTF8ToUTF16(request_url.host())));
break;
}
case CERT_DATE_INVALID:
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1));
if (cert->HasExpired()) {
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXPIRED_TITLE);
details = l10n_util::GetStringFUTF16(IDS_CERT_ERROR_EXPIRED_DETAILS,
UTF8ToUTF16(request_url.host()),
UTF8ToUTF16(request_url.host()));
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXPIRED_DESCRIPTION);
extra_info.push_back(l10n_util::GetStringUTF16(
IDS_CERT_ERROR_EXPIRED_DETAILS_EXTRA_INFO_2));
} else {
// Then it must be not yet valid. We don't check that it is not yet
// valid as there is still a very unlikely chance that the cert might
// have become valid since the error occurred.
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_YET_VALID_TITLE);
details = l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_NOT_YET_VALID_DETAILS,
UTF8ToUTF16(request_url.host()),
UTF8ToUTF16(request_url.host()));
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_YET_VALID_DESCRIPTION);
extra_info.push_back(
l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NOT_YET_VALID_DETAILS_EXTRA_INFO_2));
}
break;
case CERT_AUTHORITY_INVALID:
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_AUTHORITY_INVALID_TITLE);
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);
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1));
extra_info.push_back(l10n_util::GetStringFUTF16(
IDS_CERT_ERROR_AUTHORITY_INVALID_EXTRA_INFO_2,
UTF8ToUTF16(request_url.host()),
UTF8ToUTF16(request_url.host())));
extra_info.push_back(l10n_util::GetStringUTF16(
IDS_CERT_ERROR_AUTHORITY_INVALID_EXTRA_INFO_3));
break;
case CERT_CONTAINS_ERRORS:
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_CONTAINS_ERRORS_TITLE);
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);
extra_info.push_back(
l10n_util::GetStringFUTF16(IDS_CERT_ERROR_EXTRA_INFO_1,
UTF8ToUTF16(request_url.host())));
extra_info.push_back(l10n_util::GetStringUTF16(
IDS_CERT_ERROR_CONTAINS_ERRORS_EXTRA_INFO_2));
break;
case CERT_NO_REVOCATION_MECHANISM:
title = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_TITLE);
details = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_DETAILS);
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_DESCRIPTION);
break;
case CERT_UNABLE_TO_CHECK_REVOCATION:
title = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_TITLE);
details = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_DETAILS);
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_DESCRIPTION);
break;
case CERT_REVOKED:
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_REVOKED_CERT_TITLE);
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);
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1));
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_REVOKED_CERT_EXTRA_INFO_2));
break;
case CERT_INVALID:
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_INVALID_CERT_TITLE);
details = l10n_util::GetStringUTF16(IDS_CERT_ERROR_INVALID_CERT_DETAILS);
short_description =
l10n_util::GetStringUTF16(IDS_CERT_ERROR_INVALID_CERT_DESCRIPTION);
break;
case CERT_WEAK_SIGNATURE_ALGORITHM:
title = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_TITLE);
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);
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1));
extra_info.push_back(
l10n_util::GetStringUTF16(
IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_EXTRA_INFO_2));
break;
case CERT_NOT_IN_DNS:
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_IN_DNS_TITLE);
details = l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_IN_DNS_DETAILS);
short_description = l10n_util::GetStringUTF16(
IDS_CERT_ERROR_NOT_IN_DNS_DESCRIPTION);
extra_info.push_back(
l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_IN_DNS_EXTRA_INFO));
break;
case UNKNOWN:
title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_UNKNOWN_ERROR_TITLE);
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 SSLErrorInfo(title, details, short_description, extra_info);
}
SSLErrorInfo::~SSLErrorInfo() {
}
// static
SSLErrorInfo::ErrorType SSLErrorInfo::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_NOT_IN_DNS:
return CERT_NOT_IN_DNS;
default:
NOTREACHED();
return UNKNOWN;
}
}
// static
int SSLErrorInfo::GetErrorsForCertStatus(int cert_id,
int cert_status,
const GURL& url,
std::vector<SSLErrorInfo>* errors) {
const int 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
};
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
};
DCHECK(arraysize(kErrorFlags) == arraysize(kErrorTypes));
scoped_refptr<net::X509Certificate> cert = NULL;
int count = 0;
for (size_t i = 0; i < arraysize(kErrorFlags); ++i) {
if (cert_status & kErrorFlags[i]) {
count++;
if (!cert.get()) {
bool r = CertStore::GetInstance()->RetrieveCert(cert_id, &cert);
DCHECK(r);
}
if (errors)
errors->push_back(SSLErrorInfo::CreateError(kErrorTypes[i], cert, url));
}
}
return count;
}
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