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/common/localized_error.h"
6
7 #include "base/i18n/rtl.h"
8 #include "base/logging.h"
9 #include "base/strings/string16.h"
10 #include "base/strings/string_number_conversions.h"
11 #include "base/strings/string_util.h"
12 #include "base/strings/utf_string_conversions.h"
13 #include "base/values.h"
14 #include "chrome/common/net/net_error_info.h"
15 #include "chrome/grit/chromium_strings.h"
16 #include "chrome/grit/generated_resources.h"
17 #include "extensions/common/constants.h"
18 #include "extensions/common/extension_icon_set.h"
19 #include "extensions/common/manifest_handlers/icons_handler.h"
20 #include "net/base/escape.h"
21 #include "net/base/net_errors.h"
22 #include "net/base/net_util.h"
23 #include "third_party/WebKit/public/platform/WebURLError.h"
24 #include "ui/base/l10n/l10n_util.h"
25 #include "ui/base/webui/web_ui_util.h"
26
27 #if defined(OS_WIN)
28 #include "base/win/windows_version.h"
29 #endif
30
31 using blink::WebURLError;
32
33 // Some error pages have no details.
34 const unsigned int kErrorPagesNoDetails = 0;
35
36 namespace {
37
38 static const char kRedirectLoopLearnMoreUrl[] =
39 "https://www.google.com/support/chrome/bin/answer.py?answer=95626";
40 static const char kWeakDHKeyLearnMoreUrl[] =
41 "http://sites.google.com/a/chromium.org/dev/"
42 "err_ssl_weak_server_ephemeral_dh_key";
43 #if defined(OS_CHROMEOS)
44 static const char kAppWarningLearnMoreUrl[] =
45 "chrome-extension://honijodknafkokifofgiaalefdiedpko/main.html"
46 "?answer=1721911";
47 #endif // defined(OS_CHROMEOS)
48
49 enum NAV_SUGGESTIONS {
50 SUGGEST_NONE = 0,
51 SUGGEST_RELOAD = 1 << 0,
52 SUGGEST_CHECK_CONNECTION = 1 << 1,
53 SUGGEST_DNS_CONFIG = 1 << 2,
54 SUGGEST_FIREWALL_CONFIG = 1 << 3,
55 SUGGEST_PROXY_CONFIG = 1 << 4,
56 SUGGEST_DISABLE_EXTENSION = 1 << 5,
57 SUGGEST_LEARNMORE = 1 << 6,
58 SUGGEST_VIEW_POLICIES = 1 << 7,
59 SUGGEST_CONTACT_ADMINISTRATOR = 1 << 8,
60 };
61
62 struct LocalizedErrorMap {
63 int error_code;
64 unsigned int title_resource_id;
65 unsigned int heading_resource_id;
66 // Detailed summary used when the error is in the main frame.
67 unsigned int summary_resource_id;
68 // Short one sentence description shown on mouse over when the error is in
69 // a frame.
70 unsigned int details_resource_id;
71 int suggestions; // Bitmap of SUGGEST_* values.
72 };
73
74 const LocalizedErrorMap net_error_options[] = {
75 {net::ERR_TIMED_OUT,
76 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
77 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
78 IDS_ERRORPAGES_SUMMARY_TIMED_OUT,
79 IDS_ERRORPAGES_DETAILS_TIMED_OUT,
80 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
81 SUGGEST_PROXY_CONFIG,
82 },
83 {net::ERR_CONNECTION_TIMED_OUT,
84 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
85 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
86 IDS_ERRORPAGES_SUMMARY_TIMED_OUT,
87 IDS_ERRORPAGES_DETAILS_TIMED_OUT,
88 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
89 SUGGEST_PROXY_CONFIG,
90 },
91 {net::ERR_CONNECTION_CLOSED,
92 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
93 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
94 IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
95 IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
96 SUGGEST_RELOAD,
97 },
98 {net::ERR_CONNECTION_RESET,
99 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
100 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
101 IDS_ERRORPAGES_SUMMARY_CONNECTION_RESET,
102 IDS_ERRORPAGES_DETAILS_CONNECTION_RESET,
103 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
104 SUGGEST_PROXY_CONFIG,
105 },
106 {net::ERR_CONNECTION_REFUSED,
107 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
108 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
109 IDS_ERRORPAGES_SUMMARY_CONNECTION_REFUSED,
110 IDS_ERRORPAGES_DETAILS_CONNECTION_REFUSED,
111 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
112 SUGGEST_PROXY_CONFIG,
113 },
114 {net::ERR_CONNECTION_FAILED,
115 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
116 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
117 IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
118 IDS_ERRORPAGES_DETAILS_CONNECTION_FAILED,
119 SUGGEST_RELOAD,
120 },
121 {net::ERR_NAME_NOT_RESOLVED,
122 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
123 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
124 IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
125 IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
126 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_DNS_CONFIG |
127 SUGGEST_FIREWALL_CONFIG | SUGGEST_PROXY_CONFIG,
128 },
129 {net::ERR_ADDRESS_UNREACHABLE,
130 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
131 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
132 IDS_ERRORPAGES_SUMMARY_ADDRESS_UNREACHABLE,
133 IDS_ERRORPAGES_DETAILS_ADDRESS_UNREACHABLE,
134 SUGGEST_RELOAD | SUGGEST_FIREWALL_CONFIG | SUGGEST_PROXY_CONFIG,
135 },
136 {net::ERR_NETWORK_ACCESS_DENIED,
137 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
138 IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
139 IDS_ERRORPAGES_SUMMARY_NETWORK_ACCESS_DENIED,
140 IDS_ERRORPAGES_DETAILS_NETWORK_ACCESS_DENIED,
141 SUGGEST_FIREWALL_CONFIG,
142 },
143 {net::ERR_PROXY_CONNECTION_FAILED,
144 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
145 IDS_ERRORPAGES_HEADING_PROXY_CONNECTION_FAILED,
146 IDS_ERRORPAGES_SUMMARY_PROXY_CONNECTION_FAILED,
147 IDS_ERRORPAGES_DETAILS_PROXY_CONNECTION_FAILED,
148 SUGGEST_PROXY_CONFIG,
149 },
150 {net::ERR_INTERNET_DISCONNECTED,
151 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
152 IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
153 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED,
154 IDS_ERRORPAGES_DETAILS_INTERNET_DISCONNECTED,
155 SUGGEST_NONE,
156 },
157 {net::ERR_FILE_NOT_FOUND,
158 IDS_ERRORPAGES_TITLE_NOT_FOUND,
159 IDS_ERRORPAGES_HEADING_NOT_FOUND,
160 IDS_ERRORPAGES_SUMMARY_NOT_FOUND,
161 IDS_ERRORPAGES_DETAILS_FILE_NOT_FOUND,
162 SUGGEST_NONE,
163 },
164 {net::ERR_CACHE_MISS,
165 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
166 IDS_ERRORPAGES_HEADING_CACHE_MISS,
167 IDS_ERRORPAGES_SUMMARY_CACHE_MISS,
168 IDS_ERRORPAGES_DETAILS_CACHE_MISS,
169 SUGGEST_RELOAD,
170 },
171 {net::ERR_CACHE_READ_FAILURE,
172 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
173 IDS_ERRORPAGES_HEADING_CACHE_READ_FAILURE,
174 IDS_ERRORPAGES_SUMMARY_CACHE_READ_FAILURE,
175 IDS_ERRORPAGES_DETAILS_CACHE_READ_FAILURE,
176 SUGGEST_RELOAD,
177 },
178 {net::ERR_NETWORK_IO_SUSPENDED,
179 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
180 IDS_ERRORPAGES_HEADING_NETWORK_IO_SUSPENDED,
181 IDS_ERRORPAGES_SUMMARY_NETWORK_IO_SUSPENDED,
182 IDS_ERRORPAGES_DETAILS_NETWORK_IO_SUSPENDED,
183 SUGGEST_RELOAD,
184 },
185 {net::ERR_TOO_MANY_REDIRECTS,
186 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
187 IDS_ERRORPAGES_HEADING_TOO_MANY_REDIRECTS,
188 IDS_ERRORPAGES_SUMMARY_TOO_MANY_REDIRECTS,
189 IDS_ERRORPAGES_DETAILS_TOO_MANY_REDIRECTS,
190 SUGGEST_RELOAD | SUGGEST_LEARNMORE,
191 },
192 {net::ERR_EMPTY_RESPONSE,
193 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
194 IDS_ERRORPAGES_HEADING_EMPTY_RESPONSE,
195 IDS_ERRORPAGES_SUMMARY_EMPTY_RESPONSE,
196 IDS_ERRORPAGES_DETAILS_EMPTY_RESPONSE,
197 SUGGEST_RELOAD,
198 },
199 {net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
200 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
201 IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
202 IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
203 IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
204 SUGGEST_NONE,
205 },
206 {net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
207 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
208 IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
209 IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
210 IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
211 SUGGEST_NONE,
212 },
213 {net::ERR_RESPONSE_HEADERS_MULTIPLE_LOCATION,
214 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
215 IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
216 IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
217 IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_LOCATION,
218 SUGGEST_NONE,
219 },
220 {net::ERR_CONTENT_LENGTH_MISMATCH,
221 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
222 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
223 IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
224 IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
225 SUGGEST_RELOAD,
226 },
227 {net::ERR_INCOMPLETE_CHUNKED_ENCODING,
228 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
229 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
230 IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
231 IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
232 SUGGEST_RELOAD,
233 },
234 {net::ERR_SSL_PROTOCOL_ERROR,
235 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
236 IDS_ERRORPAGES_HEADING_SSL_PROTOCOL_ERROR,
237 IDS_ERRORPAGES_SUMMARY_SSL_PROTOCOL_ERROR,
238 IDS_ERRORPAGES_DETAILS_SSL_PROTOCOL_ERROR,
239 SUGGEST_NONE,
240 },
241 {net::ERR_SSL_UNSAFE_NEGOTIATION,
242 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
243 IDS_ERRORPAGES_HEADING_SSL_PROTOCOL_ERROR,
244 IDS_ERRORPAGES_SUMMARY_SSL_PROTOCOL_ERROR,
245 IDS_ERRORPAGES_DETAILS_SSL_UNSAFE_NEGOTIATION,
246 SUGGEST_NONE,
247 },
248 {net::ERR_BAD_SSL_CLIENT_AUTH_CERT,
249 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
250 IDS_ERRORPAGES_HEADING_BAD_SSL_CLIENT_AUTH_CERT,
251 IDS_ERRORPAGES_SUMMARY_BAD_SSL_CLIENT_AUTH_CERT,
252 IDS_ERRORPAGES_DETAILS_BAD_SSL_CLIENT_AUTH_CERT,
253 SUGGEST_NONE,
254 },
255 {net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY,
256 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
257 IDS_ERRORPAGES_HEADING_WEAK_SERVER_EPHEMERAL_DH_KEY,
258 IDS_ERRORPAGES_SUMMARY_WEAK_SERVER_EPHEMERAL_DH_KEY,
259 IDS_ERRORPAGES_DETAILS_SSL_PROTOCOL_ERROR,
260 SUGGEST_LEARNMORE,
261 },
262 {net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN,
263 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
264 IDS_ERRORPAGES_HEADING_PINNING_FAILURE,
265 IDS_ERRORPAGES_SUMMARY_PINNING_FAILURE,
266 IDS_ERRORPAGES_DETAILS_PINNING_FAILURE,
267 SUGGEST_NONE,
268 },
269 {net::ERR_TEMPORARILY_THROTTLED,
270 IDS_ERRORPAGES_TITLE_ACCESS_DENIED,
271 IDS_ERRORPAGES_HEADING_ACCESS_DENIED,
272 IDS_ERRORPAGES_SUMMARY_TEMPORARILY_THROTTLED,
273 IDS_ERRORPAGES_DETAILS_TEMPORARILY_THROTTLED,
274 SUGGEST_NONE,
275 },
276 {net::ERR_BLOCKED_BY_CLIENT,
277 IDS_ERRORPAGES_TITLE_BLOCKED,
278 IDS_ERRORPAGES_HEADING_BLOCKED,
279 IDS_ERRORPAGES_SUMMARY_BLOCKED,
280 IDS_ERRORPAGES_DETAILS_BLOCKED,
281 SUGGEST_RELOAD | SUGGEST_DISABLE_EXTENSION,
282 },
283 {net::ERR_NETWORK_CHANGED,
284 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
285 IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
286 IDS_ERRORPAGES_SUMMARY_NETWORK_CHANGED,
287 IDS_ERRORPAGES_DETAILS_NETWORK_CHANGED,
288 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION,
289 },
290 {net::ERR_BLOCKED_BY_ADMINISTRATOR,
291 IDS_ERRORPAGES_TITLE_BLOCKED,
292 IDS_ERRORPAGES_HEADING_BLOCKED_BY_ADMINISTRATOR,
293 IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_ADMINISTRATOR,
294 IDS_ERRORPAGES_DETAILS_BLOCKED_BY_ADMINISTRATOR,
295 SUGGEST_VIEW_POLICIES | SUGGEST_CONTACT_ADMINISTRATOR,
296 },
297 {net::ERR_BLOCKED_ENROLLMENT_CHECK_PENDING,
298 IDS_ERRORPAGES_TITLE_BLOCKED,
299 IDS_ERRORPAGES_HEADING_BLOCKED_BY_ADMINISTRATOR,
300 IDS_ERRORPAGES_SUMMARY_BLOCKED_ENROLLMENT_CHECK_PENDING,
301 IDS_ERRORPAGES_DETAILS_BLOCKED_ENROLLMENT_CHECK_PENDING,
302 SUGGEST_CHECK_CONNECTION,
303 },
304 };
305
306 // Special error page to be used in the case of navigating back to a page
307 // generated by a POST. LocalizedError::HasStrings expects this net error code
308 // to also appear in the array above.
309 const LocalizedErrorMap repost_error = {
310 net::ERR_CACHE_MISS,
311 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
312 IDS_HTTP_POST_WARNING_TITLE,
313 IDS_ERRORPAGES_HTTP_POST_WARNING,
314 IDS_ERRORPAGES_DETAILS_CACHE_MISS,
315 SUGGEST_RELOAD,
316 };
317
318 const LocalizedErrorMap http_error_options[] = {
319 {403,
320 IDS_ERRORPAGES_TITLE_ACCESS_DENIED,
321 IDS_ERRORPAGES_HEADING_ACCESS_DENIED,
322 IDS_ERRORPAGES_SUMMARY_FORBIDDEN,
323 IDS_ERRORPAGES_DETAILS_FORBIDDEN,
324 SUGGEST_NONE,
325 },
326 {410,
327 IDS_ERRORPAGES_TITLE_NOT_FOUND,
328 IDS_ERRORPAGES_HEADING_NOT_FOUND,
329 IDS_ERRORPAGES_SUMMARY_GONE,
330 IDS_ERRORPAGES_DETAILS_GONE,
331 SUGGEST_NONE,
332 },
333
334 {500,
335 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
336 IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
337 IDS_ERRORPAGES_SUMMARY_INTERNAL_SERVER_ERROR,
338 IDS_ERRORPAGES_DETAILS_INTERNAL_SERVER_ERROR,
339 SUGGEST_RELOAD,
340 },
341 {501,
342 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
343 IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
344 IDS_ERRORPAGES_SUMMARY_WEBSITE_CANNOT_HANDLE,
345 IDS_ERRORPAGES_DETAILS_NOT_IMPLEMENTED,
346 SUGGEST_NONE,
347 },
348 {502,
349 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
350 IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
351 IDS_ERRORPAGES_SUMMARY_BAD_GATEWAY,
352 IDS_ERRORPAGES_DETAILS_BAD_GATEWAY,
353 SUGGEST_RELOAD,
354 },
355 {503,
356 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
357 IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
358 IDS_ERRORPAGES_SUMMARY_SERVICE_UNAVAILABLE,
359 IDS_ERRORPAGES_DETAILS_SERVICE_UNAVAILABLE,
360 SUGGEST_RELOAD,
361 },
362 {504,
363 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
364 IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
365 IDS_ERRORPAGES_SUMMARY_GATEWAY_TIMEOUT,
366 IDS_ERRORPAGES_DETAILS_GATEWAY_TIMEOUT,
367 SUGGEST_RELOAD,
368 },
369 {505,
370 IDS_ERRORPAGES_TITLE_LOAD_FAILED,
371 IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
372 IDS_ERRORPAGES_SUMMARY_WEBSITE_CANNOT_HANDLE,
373 IDS_ERRORPAGES_DETAILS_HTTP_VERSION_NOT_SUPPORTED,
374 SUGGEST_NONE,
375 },
376 };
377
378 const LocalizedErrorMap dns_probe_error_options[] = {
379 {chrome_common_net::DNS_PROBE_POSSIBLE,
380 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
381 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
382 IDS_ERRORPAGES_SUMMARY_DNS_PROBE_RUNNING,
383 IDS_ERRORPAGES_DETAILS_DNS_PROBE_RUNNING,
384 SUGGEST_RELOAD,
385 },
386
387 // DNS_PROBE_NOT_RUN is not here; NetErrorHelper will restore the original
388 // error, which might be one of several DNS-related errors.
389
390 {chrome_common_net::DNS_PROBE_STARTED,
391 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
392 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
393 IDS_ERRORPAGES_SUMMARY_DNS_PROBE_RUNNING,
394 IDS_ERRORPAGES_DETAILS_DNS_PROBE_RUNNING,
395 // Include SUGGEST_RELOAD so the More button doesn't jump when we update.
396 SUGGEST_RELOAD,
397 },
398
399 // DNS_PROBE_FINISHED_UNKNOWN is not here; NetErrorHelper will restore the
400 // original error, which might be one of several DNS-related errors.
401
402 {chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET,
403 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
404 IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
405 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED,
406 IDS_ERRORPAGES_DETAILS_INTERNET_DISCONNECTED,
407 SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG,
408 },
409 {chrome_common_net::DNS_PROBE_FINISHED_BAD_CONFIG,
410 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
411 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
412 IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
413 IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
414 SUGGEST_RELOAD | SUGGEST_DNS_CONFIG | SUGGEST_FIREWALL_CONFIG,
415 },
416 {chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN,
417 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
418 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
419 IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
420 IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
421 SUGGEST_RELOAD,
422 },
423 };
424
FindErrorMapInArray(const LocalizedErrorMap * maps,size_t num_maps,int error_code)425 const LocalizedErrorMap* FindErrorMapInArray(const LocalizedErrorMap* maps,
426 size_t num_maps,
427 int error_code) {
428 for (size_t i = 0; i < num_maps; ++i) {
429 if (maps[i].error_code == error_code)
430 return &maps[i];
431 }
432 return NULL;
433 }
434
LookupErrorMap(const std::string & error_domain,int error_code,bool is_post)435 const LocalizedErrorMap* LookupErrorMap(const std::string& error_domain,
436 int error_code, bool is_post) {
437 if (error_domain == net::kErrorDomain) {
438 // Display a different page in the special case of navigating through the
439 // history to an uncached page created by a POST.
440 if (is_post && error_code == net::ERR_CACHE_MISS)
441 return &repost_error;
442 return FindErrorMapInArray(net_error_options,
443 arraysize(net_error_options),
444 error_code);
445 } else if (error_domain == LocalizedError::kHttpErrorDomain) {
446 return FindErrorMapInArray(http_error_options,
447 arraysize(http_error_options),
448 error_code);
449 } else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
450 const LocalizedErrorMap* map =
451 FindErrorMapInArray(dns_probe_error_options,
452 arraysize(dns_probe_error_options),
453 error_code);
454 DCHECK(map);
455 return map;
456 } else {
457 NOTREACHED();
458 return NULL;
459 }
460 }
461
LocaleIsRTL()462 bool LocaleIsRTL() {
463 return base::i18n::IsRTL();
464 }
465
466 // Returns a dictionary containing the strings for the settings menu under the
467 // wrench, and the advanced settings button.
GetStandardMenuItemsText()468 base::DictionaryValue* GetStandardMenuItemsText() {
469 base::DictionaryValue* standard_menu_items_text = new base::DictionaryValue();
470 standard_menu_items_text->SetString("settingsTitle",
471 l10n_util::GetStringUTF16(IDS_SETTINGS_TITLE));
472 standard_menu_items_text->SetString("advancedTitle",
473 l10n_util::GetStringUTF16(IDS_SETTINGS_SHOW_ADVANCED_SETTINGS));
474 return standard_menu_items_text;
475 }
476
477 // Gets the icon class for a given |error_domain| and |error_code|.
GetIconClassForError(const std::string & error_domain,int error_code)478 const char* GetIconClassForError(const std::string& error_domain,
479 int error_code) {
480 if ((error_code == net::ERR_INTERNET_DISCONNECTED &&
481 error_domain == net::kErrorDomain) ||
482 (error_code == chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET &&
483 error_domain == chrome_common_net::kDnsProbeErrorDomain))
484 return "icon-offline";
485
486 return "icon-generic";
487 }
488
489 } // namespace
490
491 const char LocalizedError::kHttpErrorDomain[] = "http";
492
ErrorPageParams()493 LocalizedError::ErrorPageParams::ErrorPageParams()
494 : suggest_reload(false),
495 reload_tracking_id(-1),
496 search_tracking_id(-1) {
497 }
498
~ErrorPageParams()499 LocalizedError::ErrorPageParams::~ErrorPageParams() {
500 }
501
GetStrings(int error_code,const std::string & error_domain,const GURL & failed_url,bool is_post,bool show_stale_load_button,const std::string & locale,const std::string & accept_languages,scoped_ptr<ErrorPageParams> params,base::DictionaryValue * error_strings)502 void LocalizedError::GetStrings(int error_code,
503 const std::string& error_domain,
504 const GURL& failed_url,
505 bool is_post,
506 bool show_stale_load_button,
507 const std::string& locale,
508 const std::string& accept_languages,
509 scoped_ptr<ErrorPageParams> params,
510 base::DictionaryValue* error_strings) {
511 bool rtl = LocaleIsRTL();
512 error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
513 webui::SetFontAndTextDirection(error_strings);
514
515 // Grab the strings and settings that depend on the error type. Init
516 // options with default values.
517 LocalizedErrorMap options = {
518 0,
519 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
520 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
521 IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
522 kErrorPagesNoDetails,
523 SUGGEST_NONE,
524 };
525
526 const LocalizedErrorMap* error_map = LookupErrorMap(error_domain, error_code,
527 is_post);
528 if (error_map)
529 options = *error_map;
530
531 // If we got "access denied" but the url was a file URL, then we say it was a
532 // file instead of just using the "not available" default message. Just adding
533 // ERR_ACCESS_DENIED to the map isn't sufficient, since that message may be
534 // generated by some OSs when the operation doesn't involve a file URL.
535 if (error_domain == net::kErrorDomain &&
536 error_code == net::ERR_ACCESS_DENIED &&
537 failed_url.scheme() == "file") {
538 options.title_resource_id = IDS_ERRORPAGES_TITLE_ACCESS_DENIED;
539 options.heading_resource_id = IDS_ERRORPAGES_HEADING_FILE_ACCESS_DENIED;
540 options.summary_resource_id = IDS_ERRORPAGES_SUMMARY_FILE_ACCESS_DENIED;
541 options.details_resource_id = IDS_ERRORPAGES_DETAILS_FILE_ACCESS_DENIED;
542 options.suggestions = SUGGEST_NONE;
543 }
544
545 base::string16 failed_url_string(net::FormatUrl(
546 failed_url, accept_languages, net::kFormatUrlOmitNothing,
547 net::UnescapeRule::NORMAL, NULL, NULL, NULL));
548 // URLs are always LTR.
549 if (rtl)
550 base::i18n::WrapStringWithLTRFormatting(&failed_url_string);
551 error_strings->SetString("title",
552 l10n_util::GetStringFUTF16(options.title_resource_id, failed_url_string));
553 error_strings->SetString("heading",
554 l10n_util::GetStringUTF16(options.heading_resource_id));
555
556 std::string icon_class = GetIconClassForError(error_domain, error_code);
557 error_strings->SetString("iconClass", icon_class);
558
559 base::DictionaryValue* summary = new base::DictionaryValue;
560
561 // For offline show a summary message underneath the heading.
562 if (error_code == net::ERR_INTERNET_DISCONNECTED ||
563 error_code == chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET) {
564 error_strings->SetString("primaryParagraph",
565 l10n_util::GetStringUTF16(options.summary_resource_id));
566 } else {
567 // Set summary message in the details.
568 summary->SetString("msg",
569 l10n_util::GetStringUTF16(options.summary_resource_id));
570 }
571 summary->SetString("failedUrl", failed_url_string);
572 summary->SetString("hostName", net::IDNToUnicode(failed_url.host(),
573 accept_languages));
574 summary->SetString("productName",
575 l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
576
577 error_strings->SetString(
578 "details", l10n_util::GetStringUTF16(IDS_ERRORPAGE_NET_BUTTON_DETAILS));
579 error_strings->SetString(
580 "hideDetails", l10n_util::GetStringUTF16(
581 IDS_ERRORPAGE_NET_BUTTON_HIDE_DETAILS));
582 error_strings->Set("summary", summary);
583
584 if (options.details_resource_id != kErrorPagesNoDetails) {
585 error_strings->SetString(
586 "errorDetails", l10n_util::GetStringUTF16(options.details_resource_id));
587 }
588
589 base::string16 error_string;
590 if (error_domain == net::kErrorDomain) {
591 // Non-internationalized error string, for debugging Chrome itself.
592 error_string = base::ASCIIToUTF16(net::ErrorToShortString(error_code));
593 } else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
594 std::string ascii_error_string =
595 chrome_common_net::DnsProbeStatusToString(error_code);
596 error_string = base::ASCIIToUTF16(ascii_error_string);
597 } else {
598 DCHECK_EQ(LocalizedError::kHttpErrorDomain, error_domain);
599 error_string = base::IntToString16(error_code);
600 }
601 error_strings->SetString("errorCode",
602 l10n_util::GetStringFUTF16(IDS_ERRORPAGES_ERROR_CODE, error_string));
603
604 // Platform specific information for diagnosing network issues on OSX and
605 // Windows.
606 #if defined(OS_MACOSX) || defined(OS_WIN)
607 if (error_domain == net::kErrorDomain &&
608 error_code == net::ERR_INTERNET_DISCONNECTED) {
609 int platform_string_id =
610 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM;
611 #if defined(OS_WIN)
612 // Different versions of Windows have different instructions.
613 base::win::Version windows_version = base::win::GetVersion();
614 if (windows_version < base::win::VERSION_VISTA) {
615 // XP, XP64, and Server 2003.
616 platform_string_id =
617 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_XP;
618 } else if (windows_version == base::win::VERSION_VISTA) {
619 // Vista
620 platform_string_id =
621 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_VISTA;
622 }
623 #endif // defined(OS_WIN)
624 // Platform dependent portion of the summary section.
625 summary->SetString("msg",
626 l10n_util::GetStringFUTF16(
627 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_INSTRUCTIONS_TEMPLATE,
628 l10n_util::GetStringUTF16(platform_string_id)));
629 }
630 #endif // defined(OS_MACOSX) || defined(OS_WIN)
631
632 // If no parameters were provided, use the defaults.
633 if (!params) {
634 params.reset(new ErrorPageParams());
635 params->suggest_reload = !!(options.suggestions & SUGGEST_RELOAD);
636 }
637
638 base::ListValue* suggestions = NULL;
639 bool use_default_suggestions = true;
640 if (!params->override_suggestions) {
641 suggestions = new base::ListValue();
642 } else {
643 suggestions = params->override_suggestions.release();
644 use_default_suggestions = false;
645 }
646
647 error_strings->Set("suggestions", suggestions);
648
649 if (params->search_url.is_valid()) {
650 error_strings->SetString("searchHeader",
651 l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_GOOGLE_SEARCH));
652 error_strings->SetString("searchUrl", params->search_url.spec());
653 error_strings->SetString("searchTerms", params->search_terms);
654 error_strings->SetInteger("searchTrackingId", params->search_tracking_id);
655 }
656
657 // Add the reload suggestion, if needed.
658 if (params->suggest_reload) {
659 if (!is_post) {
660 base::DictionaryValue* reload_button = new base::DictionaryValue;
661 reload_button->SetString(
662 "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_RELOAD));
663 reload_button->SetString("reloadUrl", failed_url.spec());
664 error_strings->Set("reloadButton", reload_button);
665 reload_button->SetInteger("reloadTrackingId", params->reload_tracking_id);
666 } else {
667 // If the page was created by a post, it can't be reloaded in the same
668 // way, so just add a suggestion instead.
669 // TODO(mmenke): Make the reload button bring up the repost confirmation
670 // dialog for pages resulting from posts.
671 base::DictionaryValue* suggest_reload_repost = new base::DictionaryValue;
672 suggest_reload_repost->SetString("header",
673 l10n_util::GetStringUTF16(
674 IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_HEADER));
675 suggest_reload_repost->SetString("body",
676 l10n_util::GetStringUTF16(
677 IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_BODY));
678 // Add at the front, so it appears before other suggestions, in the case
679 // suggestions are being overridden by |params|.
680 suggestions->Insert(0, suggest_reload_repost);
681 }
682 }
683
684 // If not using the default suggestions, nothing else to do.
685 if (!use_default_suggestions)
686 return;
687
688 if (show_stale_load_button) {
689 base::DictionaryValue* stale_load_button = new base::DictionaryValue;
690 stale_load_button->SetString(
691 "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE));
692 stale_load_button->SetString(
693 "title",
694 l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE_HELP));
695 error_strings->Set("staleLoadButton", stale_load_button);
696 }
697
698 #if defined(OS_CHROMEOS)
699 error_strings->SetString(
700 "diagnose", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_DIAGNOSE));
701 #endif // defined(OS_CHROMEOS)
702
703 if (options.suggestions & SUGGEST_CHECK_CONNECTION) {
704 base::DictionaryValue* suggest_check_connection = new base::DictionaryValue;
705 suggest_check_connection->SetString("header",
706 l10n_util::GetStringUTF16(
707 IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_HEADER));
708 suggest_check_connection->SetString("body",
709 l10n_util::GetStringUTF16(
710 IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_BODY));
711 suggestions->Append(suggest_check_connection);
712 }
713
714 if (options.suggestions & SUGGEST_DNS_CONFIG) {
715 base::DictionaryValue* suggest_dns_config = new base::DictionaryValue;
716 suggest_dns_config->SetString("header",
717 l10n_util::GetStringUTF16(
718 IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_HEADER));
719 suggest_dns_config->SetString("body",
720 l10n_util::GetStringUTF16(
721 IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_BODY));
722 suggestions->Append(suggest_dns_config);
723
724 base::DictionaryValue* suggest_network_prediction =
725 GetStandardMenuItemsText();
726 suggest_network_prediction->SetString("header",
727 l10n_util::GetStringUTF16(
728 IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_HEADER));
729 suggest_network_prediction->SetString("body",
730 l10n_util::GetStringUTF16(
731 IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_BODY));
732 suggest_network_prediction->SetString(
733 "noNetworkPredictionTitle",
734 l10n_util::GetStringUTF16(
735 IDS_NETWORK_PREDICTION_ENABLED_DESCRIPTION));
736 suggestions->Append(suggest_network_prediction);
737 }
738
739 if (options.suggestions & SUGGEST_FIREWALL_CONFIG) {
740 base::DictionaryValue* suggest_firewall_config = new base::DictionaryValue;
741 suggest_firewall_config->SetString("header",
742 l10n_util::GetStringUTF16(
743 IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_HEADER));
744 suggest_firewall_config->SetString("body",
745 l10n_util::GetStringUTF16(
746 IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_BODY));
747 suggestions->Append(suggest_firewall_config);
748 }
749
750 if (options.suggestions & SUGGEST_PROXY_CONFIG) {
751 base::DictionaryValue* suggest_proxy_config = GetStandardMenuItemsText();
752 suggest_proxy_config->SetString("header",
753 l10n_util::GetStringUTF16(
754 IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_HEADER));
755 suggest_proxy_config->SetString("body",
756 l10n_util::GetStringFUTF16(IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_BODY,
757 l10n_util::GetStringUTF16(
758 IDS_ERRORPAGES_SUGGESTION_PROXY_DISABLE_PLATFORM)));
759 suggest_proxy_config->SetString("proxyTitle",
760 l10n_util::GetStringUTF16(IDS_OPTIONS_PROXIES_CONFIGURE_BUTTON));
761
762 suggestions->Append(suggest_proxy_config);
763 }
764
765 if (options.suggestions & SUGGEST_DISABLE_EXTENSION) {
766 base::DictionaryValue* suggest_disable_extension =
767 new base::DictionaryValue;
768 // There's only a header for this suggestion.
769 suggest_disable_extension->SetString("header",
770 l10n_util::GetStringUTF16(
771 IDS_ERRORPAGES_SUGGESTION_DISABLE_EXTENSION_HEADER));
772 suggestions->Append(suggest_disable_extension);
773 }
774
775 if (options.suggestions & SUGGEST_VIEW_POLICIES) {
776 base::DictionaryValue* suggest_view_policies = new base::DictionaryValue;
777 suggest_view_policies->SetString(
778 "header",
779 l10n_util::GetStringUTF16(
780 IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_HEADER));
781 suggest_view_policies->SetString(
782 "body",
783 l10n_util::GetStringUTF16(
784 IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_BODY));
785 suggestions->Append(suggest_view_policies);
786 }
787
788 if (options.suggestions & SUGGEST_CONTACT_ADMINISTRATOR) {
789 base::DictionaryValue* suggest_contant_administrator =
790 new base::DictionaryValue;
791 suggest_contant_administrator->SetString(
792 "body",
793 l10n_util::GetStringUTF16(
794 IDS_ERRORPAGES_SUGGESTION_CONTACT_ADMINISTRATOR_BODY));
795 suggestions->Append(suggest_contant_administrator);
796 }
797
798 if (options.suggestions & SUGGEST_LEARNMORE) {
799 GURL learn_more_url;
800 switch (options.error_code) {
801 case net::ERR_TOO_MANY_REDIRECTS:
802 learn_more_url = GURL(kRedirectLoopLearnMoreUrl);
803 break;
804 case net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY:
805 learn_more_url = GURL(kWeakDHKeyLearnMoreUrl);
806 break;
807 default:
808 break;
809 }
810
811 if (learn_more_url.is_valid()) {
812 // Add the language parameter to the URL.
813 std::string query = learn_more_url.query() + "&hl=" + locale;
814 GURL::Replacements repl;
815 repl.SetQueryStr(query);
816 learn_more_url = learn_more_url.ReplaceComponents(repl);
817
818 base::DictionaryValue* suggest_learn_more = new base::DictionaryValue;
819 // There's only a body for this suggestion.
820 suggest_learn_more->SetString("body",
821 l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
822 suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
823 suggestions->Append(suggest_learn_more);
824 }
825 }
826 }
827
GetErrorDetails(const blink::WebURLError & error,bool is_post)828 base::string16 LocalizedError::GetErrorDetails(const blink::WebURLError& error,
829 bool is_post) {
830 const LocalizedErrorMap* error_map =
831 LookupErrorMap(error.domain.utf8(), error.reason, is_post);
832 if (error_map)
833 return l10n_util::GetStringUTF16(error_map->details_resource_id);
834 else
835 return l10n_util::GetStringUTF16(IDS_ERRORPAGES_DETAILS_UNKNOWN);
836 }
837
HasStrings(const std::string & error_domain,int error_code)838 bool LocalizedError::HasStrings(const std::string& error_domain,
839 int error_code) {
840 // Whether or not the there are strings for an error does not depend on
841 // whether or not the page was be generated by a POST, so just claim it was
842 // not.
843 return LookupErrorMap(error_domain, error_code, /*is_post=*/false) != NULL;
844 }
845
GetAppErrorStrings(const GURL & display_url,const extensions::Extension * app,base::DictionaryValue * error_strings)846 void LocalizedError::GetAppErrorStrings(
847 const GURL& display_url,
848 const extensions::Extension* app,
849 base::DictionaryValue* error_strings) {
850 DCHECK(app);
851
852 bool rtl = LocaleIsRTL();
853 error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
854
855 base::string16 failed_url(base::ASCIIToUTF16(display_url.spec()));
856 // URLs are always LTR.
857 if (rtl)
858 base::i18n::WrapStringWithLTRFormatting(&failed_url);
859 error_strings->SetString(
860 "url", l10n_util::GetStringFUTF16(IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
861 failed_url.c_str()));
862
863 error_strings->SetString("title", app->name());
864 error_strings->SetString(
865 "icon",
866 extensions::IconsInfo::GetIconURL(
867 app,
868 extension_misc::EXTENSION_ICON_GIGANTOR,
869 ExtensionIconSet::MATCH_SMALLER).spec());
870 error_strings->SetString("name", app->name());
871 error_strings->SetString(
872 "msg",
873 l10n_util::GetStringUTF16(IDS_ERRORPAGES_APP_WARNING));
874
875 #if defined(OS_CHROMEOS)
876 GURL learn_more_url(kAppWarningLearnMoreUrl);
877 base::DictionaryValue* suggest_learn_more = new base::DictionaryValue();
878 suggest_learn_more->SetString("msg",
879 l10n_util::GetStringUTF16(
880 IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
881 suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
882 error_strings->Set("suggestionsLearnMore", suggest_learn_more);
883 #endif // defined(OS_CHROMEOS)
884 }
885