ssl_error_info.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d
1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 "chrome/browser/ssl/ssl_error_info.h" 6 7#include "base/i18n/time_formatting.h" 8#include "base/utf_string_conversions.h" 9#include "chrome/common/time_format.h" 10#include "content/public/browser/cert_store.h" 11#include "googleurl/src/gurl.h" 12#include "grit/chromium_strings.h" 13#include "grit/generated_resources.h" 14#include "net/base/escape.h" 15#include "net/base/net_errors.h" 16#include "net/cert/cert_status_flags.h" 17#include "net/ssl/ssl_info.h" 18#include "ui/base/l10n/l10n_util.h" 19 20SSLErrorInfo::SSLErrorInfo(const string16& title, 21 const string16& details, 22 const string16& short_description, 23 const std::vector<string16>& extra_info) 24 : title_(title), 25 details_(details), 26 short_description_(short_description), 27 extra_information_(extra_info) { 28} 29 30// static 31SSLErrorInfo SSLErrorInfo::CreateError(ErrorType error_type, 32 net::X509Certificate* cert, 33 const GURL& request_url) { 34 string16 title, details, short_description; 35 std::vector<string16> extra_info; 36 switch (error_type) { 37 case CERT_COMMON_NAME_INVALID: { 38 title = 39 l10n_util::GetStringUTF16(IDS_CERT_ERROR_COMMON_NAME_INVALID_TITLE); 40 // If the certificate contains multiple DNS names, we choose the most 41 // representative one -- either the DNS name that's also in the subject 42 // field, or the first one. If this heuristic turns out to be 43 // inadequate, we can consider choosing the DNS name that is the 44 // "closest match" to the host name in the request URL, or listing all 45 // the DNS names with an HTML <ul>. 46 std::vector<std::string> dns_names; 47 cert->GetDNSNames(&dns_names); 48 DCHECK(!dns_names.empty()); 49 size_t i = 0; 50 for (; i < dns_names.size(); ++i) { 51 if (dns_names[i] == cert->subject().common_name) 52 break; 53 } 54 if (i == dns_names.size()) 55 i = 0; 56 details = 57 l10n_util::GetStringFUTF16(IDS_CERT_ERROR_COMMON_NAME_INVALID_DETAILS, 58 UTF8ToUTF16(request_url.host()), 59 net::EscapeForHTML( 60 UTF8ToUTF16(dns_names[i])), 61 UTF8ToUTF16(request_url.host())); 62 short_description = l10n_util::GetStringUTF16( 63 IDS_CERT_ERROR_COMMON_NAME_INVALID_DESCRIPTION); 64 extra_info.push_back( 65 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 66 extra_info.push_back( 67 l10n_util::GetStringFUTF16( 68 IDS_CERT_ERROR_COMMON_NAME_INVALID_EXTRA_INFO_2, 69 net::EscapeForHTML(UTF8ToUTF16(cert->subject().common_name)), 70 UTF8ToUTF16(request_url.host()))); 71 break; 72 } 73 case CERT_DATE_INVALID: 74 extra_info.push_back( 75 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 76 if (cert->HasExpired()) { 77 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXPIRED_TITLE); 78 details = l10n_util::GetStringFUTF16( 79 IDS_CERT_ERROR_EXPIRED_DETAILS, 80 UTF8ToUTF16(request_url.host()), 81 UTF8ToUTF16(request_url.host()), 82 base::TimeFormatFriendlyDateAndTime(base::Time::Now())); 83 short_description = 84 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXPIRED_DESCRIPTION); 85 extra_info.push_back(l10n_util::GetStringUTF16( 86 IDS_CERT_ERROR_EXPIRED_DETAILS_EXTRA_INFO_2)); 87 } else { 88 // Then it must be not yet valid. We don't check that it is not yet 89 // valid as there is still a very unlikely chance that the cert might 90 // have become valid since the error occurred. 91 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_YET_VALID_TITLE); 92 details = l10n_util::GetStringFUTF16( 93 IDS_CERT_ERROR_NOT_YET_VALID_DETAILS, 94 UTF8ToUTF16(request_url.host()), 95 UTF8ToUTF16(request_url.host()), 96 base::TimeFormatFriendlyDateAndTime(base::Time::Now())); 97 short_description = 98 l10n_util::GetStringUTF16(IDS_CERT_ERROR_NOT_YET_VALID_DESCRIPTION); 99 extra_info.push_back( 100 l10n_util::GetStringUTF16( 101 IDS_CERT_ERROR_NOT_YET_VALID_DETAILS_EXTRA_INFO_2)); 102 } 103 break; 104 case CERT_AUTHORITY_INVALID: 105 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_AUTHORITY_INVALID_TITLE); 106 details = l10n_util::GetStringFUTF16( 107 IDS_CERT_ERROR_AUTHORITY_INVALID_DETAILS, 108 UTF8ToUTF16(request_url.host())); 109 short_description = l10n_util::GetStringUTF16( 110 IDS_CERT_ERROR_AUTHORITY_INVALID_DESCRIPTION); 111 extra_info.push_back( 112 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 113 extra_info.push_back(l10n_util::GetStringFUTF16( 114 IDS_CERT_ERROR_AUTHORITY_INVALID_EXTRA_INFO_2, 115 UTF8ToUTF16(request_url.host()), 116 UTF8ToUTF16(request_url.host()))); 117 extra_info.push_back(l10n_util::GetStringUTF16( 118 IDS_CERT_ERROR_AUTHORITY_INVALID_EXTRA_INFO_3)); 119 break; 120 case CERT_CONTAINS_ERRORS: 121 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_CONTAINS_ERRORS_TITLE); 122 details = l10n_util::GetStringFUTF16( 123 IDS_CERT_ERROR_CONTAINS_ERRORS_DETAILS, 124 UTF8ToUTF16(request_url.host())); 125 short_description = 126 l10n_util::GetStringUTF16(IDS_CERT_ERROR_CONTAINS_ERRORS_DESCRIPTION); 127 extra_info.push_back( 128 l10n_util::GetStringFUTF16(IDS_CERT_ERROR_EXTRA_INFO_1, 129 UTF8ToUTF16(request_url.host()))); 130 extra_info.push_back(l10n_util::GetStringUTF16( 131 IDS_CERT_ERROR_CONTAINS_ERRORS_EXTRA_INFO_2)); 132 break; 133 case CERT_NO_REVOCATION_MECHANISM: 134 title = l10n_util::GetStringUTF16( 135 IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_TITLE); 136 details = l10n_util::GetStringUTF16( 137 IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_DETAILS); 138 short_description = l10n_util::GetStringUTF16( 139 IDS_CERT_ERROR_NO_REVOCATION_MECHANISM_DESCRIPTION); 140 break; 141 case CERT_UNABLE_TO_CHECK_REVOCATION: 142 title = l10n_util::GetStringUTF16( 143 IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_TITLE); 144 details = l10n_util::GetStringUTF16( 145 IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_DETAILS); 146 short_description = l10n_util::GetStringUTF16( 147 IDS_CERT_ERROR_UNABLE_TO_CHECK_REVOCATION_DESCRIPTION); 148 break; 149 case CERT_REVOKED: 150 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_REVOKED_CERT_TITLE); 151 details = l10n_util::GetStringFUTF16(IDS_CERT_ERROR_REVOKED_CERT_DETAILS, 152 UTF8ToUTF16(request_url.host())); 153 short_description = 154 l10n_util::GetStringUTF16(IDS_CERT_ERROR_REVOKED_CERT_DESCRIPTION); 155 extra_info.push_back( 156 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 157 extra_info.push_back( 158 l10n_util::GetStringUTF16(IDS_CERT_ERROR_REVOKED_CERT_EXTRA_INFO_2)); 159 break; 160 case CERT_INVALID: 161 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_INVALID_CERT_TITLE); 162 details = l10n_util::GetStringFUTF16( 163 IDS_CERT_ERROR_INVALID_CERT_DETAILS, 164 UTF8ToUTF16(request_url.host())); 165 short_description = 166 l10n_util::GetStringUTF16(IDS_CERT_ERROR_INVALID_CERT_DESCRIPTION); 167 extra_info.push_back( 168 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 169 extra_info.push_back(l10n_util::GetStringUTF16( 170 IDS_CERT_ERROR_INVALID_CERT_EXTRA_INFO_2)); 171 break; 172 case CERT_WEAK_SIGNATURE_ALGORITHM: 173 title = l10n_util::GetStringUTF16( 174 IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_TITLE); 175 details = l10n_util::GetStringFUTF16( 176 IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_DETAILS, 177 UTF8ToUTF16(request_url.host())); 178 short_description = l10n_util::GetStringUTF16( 179 IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_DESCRIPTION); 180 extra_info.push_back( 181 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 182 extra_info.push_back( 183 l10n_util::GetStringUTF16( 184 IDS_CERT_ERROR_WEAK_SIGNATURE_ALGORITHM_EXTRA_INFO_2)); 185 break; 186 case CERT_WEAK_KEY: 187 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_WEAK_KEY_TITLE); 188 details = l10n_util::GetStringFUTF16( 189 IDS_CERT_ERROR_WEAK_KEY_DETAILS, UTF8ToUTF16(request_url.host())); 190 short_description = l10n_util::GetStringUTF16( 191 IDS_CERT_ERROR_WEAK_KEY_DESCRIPTION); 192 extra_info.push_back( 193 l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_1)); 194 extra_info.push_back( 195 l10n_util::GetStringUTF16( 196 IDS_CERT_ERROR_WEAK_KEY_EXTRA_INFO_2)); 197 break; 198 case UNKNOWN: 199 title = l10n_util::GetStringUTF16(IDS_CERT_ERROR_UNKNOWN_ERROR_TITLE); 200 details = l10n_util::GetStringUTF16(IDS_CERT_ERROR_UNKNOWN_ERROR_DETAILS); 201 short_description = 202 l10n_util::GetStringUTF16(IDS_CERT_ERROR_UNKNOWN_ERROR_DESCRIPTION); 203 break; 204 default: 205 NOTREACHED(); 206 } 207 return SSLErrorInfo(title, details, short_description, extra_info); 208} 209 210SSLErrorInfo::~SSLErrorInfo() { 211} 212 213// static 214SSLErrorInfo::ErrorType SSLErrorInfo::NetErrorToErrorType(int net_error) { 215 switch (net_error) { 216 case net::ERR_CERT_COMMON_NAME_INVALID: 217 return CERT_COMMON_NAME_INVALID; 218 case net::ERR_CERT_DATE_INVALID: 219 return CERT_DATE_INVALID; 220 case net::ERR_CERT_AUTHORITY_INVALID: 221 return CERT_AUTHORITY_INVALID; 222 case net::ERR_CERT_CONTAINS_ERRORS: 223 return CERT_CONTAINS_ERRORS; 224 case net::ERR_CERT_NO_REVOCATION_MECHANISM: 225 return CERT_NO_REVOCATION_MECHANISM; 226 case net::ERR_CERT_UNABLE_TO_CHECK_REVOCATION: 227 return CERT_UNABLE_TO_CHECK_REVOCATION; 228 case net::ERR_CERT_REVOKED: 229 return CERT_REVOKED; 230 case net::ERR_CERT_INVALID: 231 return CERT_INVALID; 232 case net::ERR_CERT_WEAK_SIGNATURE_ALGORITHM: 233 return CERT_WEAK_SIGNATURE_ALGORITHM; 234 case net::ERR_CERT_WEAK_KEY: 235 return CERT_WEAK_KEY; 236 default: 237 NOTREACHED(); 238 return UNKNOWN; 239 } 240} 241 242// static 243int SSLErrorInfo::GetErrorsForCertStatus(int cert_id, 244 net::CertStatus cert_status, 245 const GURL& url, 246 std::vector<SSLErrorInfo>* errors) { 247 const net::CertStatus kErrorFlags[] = { 248 net::CERT_STATUS_COMMON_NAME_INVALID, 249 net::CERT_STATUS_DATE_INVALID, 250 net::CERT_STATUS_AUTHORITY_INVALID, 251 net::CERT_STATUS_NO_REVOCATION_MECHANISM, 252 net::CERT_STATUS_UNABLE_TO_CHECK_REVOCATION, 253 net::CERT_STATUS_REVOKED, 254 net::CERT_STATUS_INVALID, 255 net::CERT_STATUS_WEAK_SIGNATURE_ALGORITHM, 256 net::CERT_STATUS_WEAK_KEY 257 }; 258 259 const ErrorType kErrorTypes[] = { 260 CERT_COMMON_NAME_INVALID, 261 CERT_DATE_INVALID, 262 CERT_AUTHORITY_INVALID, 263 CERT_NO_REVOCATION_MECHANISM, 264 CERT_UNABLE_TO_CHECK_REVOCATION, 265 CERT_REVOKED, 266 CERT_INVALID, 267 CERT_WEAK_SIGNATURE_ALGORITHM, 268 CERT_WEAK_KEY 269 }; 270 DCHECK(arraysize(kErrorFlags) == arraysize(kErrorTypes)); 271 272 scoped_refptr<net::X509Certificate> cert = NULL; 273 int count = 0; 274 for (size_t i = 0; i < arraysize(kErrorFlags); ++i) { 275 if (cert_status & kErrorFlags[i]) { 276 count++; 277 if (!cert.get()) { 278 bool r = content::CertStore::GetInstance()->RetrieveCert( 279 cert_id, &cert); 280 DCHECK(r); 281 } 282 if (errors) 283 errors->push_back(SSLErrorInfo::CreateError(kErrorTypes[i], cert, url)); 284 } 285 } 286 return count; 287} 288