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 "extensions/common/constants.h"
16 #include "extensions/common/extension_icon_set.h"
17 #include "extensions/common/manifest_handlers/icons_handler.h"
18 #include "grit/chromium_strings.h"
19 #include "grit/generated_resources.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
514 // Grab the strings and settings that depend on the error type. Init
515 // options with default values.
516 LocalizedErrorMap options = {
517 0,
518 IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
519 IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
520 IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
521 kErrorPagesNoDetails,
522 SUGGEST_NONE,
523 };
524
525 const LocalizedErrorMap* error_map = LookupErrorMap(error_domain, error_code,
526 is_post);
527 if (error_map)
528 options = *error_map;
529
530 // If we got "access denied" but the url was a file URL, then we say it was a
531 // file instead of just using the "not available" default message. Just adding
532 // ERR_ACCESS_DENIED to the map isn't sufficient, since that message may be
533 // generated by some OSs when the operation doesn't involve a file URL.
534 if (error_domain == net::kErrorDomain &&
535 error_code == net::ERR_ACCESS_DENIED &&
536 failed_url.scheme() == "file") {
537 options.title_resource_id = IDS_ERRORPAGES_TITLE_ACCESS_DENIED;
538 options.heading_resource_id = IDS_ERRORPAGES_HEADING_FILE_ACCESS_DENIED;
539 options.summary_resource_id = IDS_ERRORPAGES_SUMMARY_FILE_ACCESS_DENIED;
540 options.details_resource_id = IDS_ERRORPAGES_DETAILS_FILE_ACCESS_DENIED;
541 options.suggestions = SUGGEST_NONE;
542 }
543
544 base::string16 failed_url_string(net::FormatUrl(
545 failed_url, accept_languages, net::kFormatUrlOmitNothing,
546 net::UnescapeRule::NORMAL, NULL, NULL, NULL));
547 // URLs are always LTR.
548 if (rtl)
549 base::i18n::WrapStringWithLTRFormatting(&failed_url_string);
550 error_strings->SetString("title",
551 l10n_util::GetStringFUTF16(options.title_resource_id, failed_url_string));
552 error_strings->SetString("heading",
553 l10n_util::GetStringUTF16(options.heading_resource_id));
554
555 std::string icon_class = GetIconClassForError(error_domain, error_code);
556 error_strings->SetString("iconClass", icon_class);
557
558 base::DictionaryValue* summary = new base::DictionaryValue;
559 summary->SetString("msg",
560 l10n_util::GetStringUTF16(options.summary_resource_id));
561 summary->SetString("failedUrl", failed_url_string);
562 summary->SetString("hostName", net::IDNToUnicode(failed_url.host(),
563 accept_languages));
564 summary->SetString("productName",
565 l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
566
567 error_strings->SetString(
568 "more", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_MORE));
569 error_strings->SetString(
570 "less", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LESS));
571 error_strings->Set("summary", summary);
572
573 if (options.details_resource_id != kErrorPagesNoDetails) {
574 error_strings->SetString(
575 "errorDetails", l10n_util::GetStringUTF16(options.details_resource_id));
576 }
577
578 base::string16 error_string;
579 if (error_domain == net::kErrorDomain) {
580 // Non-internationalized error string, for debugging Chrome itself.
581 std::string ascii_error_string = net::ErrorToString(error_code);
582 // Remove the leading "net::" from the returned string.
583 DCHECK(StartsWithASCII(ascii_error_string, "net::", true));
584 ascii_error_string.erase(0, 5);
585 error_string = base::ASCIIToUTF16(ascii_error_string);
586 } else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
587 std::string ascii_error_string =
588 chrome_common_net::DnsProbeStatusToString(error_code);
589 error_string = base::ASCIIToUTF16(ascii_error_string);
590 } else {
591 DCHECK_EQ(LocalizedError::kHttpErrorDomain, error_domain);
592 error_string = base::IntToString16(error_code);
593 }
594 error_strings->SetString("errorCode",
595 l10n_util::GetStringFUTF16(IDS_ERRORPAGES_ERROR_CODE, error_string));
596
597 // Platform specific information for diagnosing network issues on OSX and
598 // Windows.
599 #if defined(OS_MACOSX) || defined(OS_WIN)
600 if (error_domain == net::kErrorDomain &&
601 error_code == net::ERR_INTERNET_DISCONNECTED) {
602 int platform_string_id =
603 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM;
604 #if defined(OS_WIN)
605 // Different versions of Windows have different instructions.
606 base::win::Version windows_version = base::win::GetVersion();
607 if (windows_version < base::win::VERSION_VISTA) {
608 // XP, XP64, and Server 2003.
609 platform_string_id =
610 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_XP;
611 } else if (windows_version == base::win::VERSION_VISTA) {
612 // Vista
613 platform_string_id =
614 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_VISTA;
615 }
616 #endif // defined(OS_WIN)
617 // Lead with the general error description, and suffix with the platform
618 // dependent portion of the summary section.
619 summary->SetString("msg",
620 l10n_util::GetStringFUTF16(
621 IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_INSTRUCTIONS_TEMPLATE,
622 l10n_util::GetStringUTF16(options.summary_resource_id),
623 l10n_util::GetStringUTF16(platform_string_id)));
624 }
625 #endif // defined(OS_MACOSX) || defined(OS_WIN)
626
627 // If no parameters were provided, use the defaults.
628 if (!params) {
629 params.reset(new ErrorPageParams());
630 params->suggest_reload = !!(options.suggestions & SUGGEST_RELOAD);
631 }
632
633 base::ListValue* suggestions = NULL;
634 bool use_default_suggestions = true;
635 if (!params->override_suggestions) {
636 suggestions = new base::ListValue();
637 } else {
638 suggestions = params->override_suggestions.release();
639 use_default_suggestions = false;
640 }
641
642 error_strings->Set("suggestions", suggestions);
643
644 if (params->search_url.is_valid()) {
645 error_strings->SetString("searchHeader",
646 l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_GOOGLE_SEARCH));
647 error_strings->SetString("searchUrl", params->search_url.spec());
648 error_strings->SetString("searchTerms", params->search_terms);
649 error_strings->SetInteger("searchTrackingId", params->search_tracking_id);
650 }
651
652 // Add the reload suggestion, if needed.
653 if (params->suggest_reload) {
654 if (!is_post) {
655 base::DictionaryValue* reload_button = new base::DictionaryValue;
656 reload_button->SetString(
657 "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_RELOAD));
658 reload_button->SetString("reloadUrl", failed_url.spec());
659 error_strings->Set("reloadButton", reload_button);
660 reload_button->SetInteger("reloadTrackingId", params->reload_tracking_id);
661 } else {
662 // If the page was created by a post, it can't be reloaded in the same
663 // way, so just add a suggestion instead.
664 // TODO(mmenke): Make the reload button bring up the repost confirmation
665 // dialog for pages resulting from posts.
666 base::DictionaryValue* suggest_reload_repost = new base::DictionaryValue;
667 suggest_reload_repost->SetString("header",
668 l10n_util::GetStringUTF16(
669 IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_HEADER));
670 suggest_reload_repost->SetString("body",
671 l10n_util::GetStringUTF16(
672 IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_BODY));
673 // Add at the front, so it appears before other suggestions, in the case
674 // suggestions are being overridden by |params|.
675 suggestions->Insert(0, suggest_reload_repost);
676 }
677 }
678
679 // If not using the default suggestions, nothing else to do.
680 if (!use_default_suggestions)
681 return;
682
683 if (show_stale_load_button) {
684 base::DictionaryValue* stale_load_button = new base::DictionaryValue;
685 stale_load_button->SetString(
686 "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE));
687 stale_load_button->SetString(
688 "title",
689 l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE_HELP));
690 error_strings->Set("staleLoadButton", stale_load_button);
691 }
692
693 #if defined(OS_CHROMEOS)
694 error_strings->SetString(
695 "diagnose", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_DIAGNOSE));
696 #endif // defined(OS_CHROMEOS)
697
698 if (options.suggestions & SUGGEST_CHECK_CONNECTION) {
699 base::DictionaryValue* suggest_check_connection = new base::DictionaryValue;
700 suggest_check_connection->SetString("header",
701 l10n_util::GetStringUTF16(
702 IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_HEADER));
703 suggest_check_connection->SetString("body",
704 l10n_util::GetStringUTF16(
705 IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_BODY));
706 suggestions->Append(suggest_check_connection);
707 }
708
709 if (options.suggestions & SUGGEST_DNS_CONFIG) {
710 base::DictionaryValue* suggest_dns_config = new base::DictionaryValue;
711 suggest_dns_config->SetString("header",
712 l10n_util::GetStringUTF16(
713 IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_HEADER));
714 suggest_dns_config->SetString("body",
715 l10n_util::GetStringUTF16(
716 IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_BODY));
717 suggestions->Append(suggest_dns_config);
718
719 base::DictionaryValue* suggest_network_prediction =
720 GetStandardMenuItemsText();
721 suggest_network_prediction->SetString("header",
722 l10n_util::GetStringUTF16(
723 IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_HEADER));
724 suggest_network_prediction->SetString("body",
725 l10n_util::GetStringUTF16(
726 IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_BODY));
727 suggest_network_prediction->SetString(
728 "noNetworkPredictionTitle",
729 l10n_util::GetStringUTF16(
730 IDS_NETWORK_PREDICTION_ENABLED_DESCRIPTION));
731 suggestions->Append(suggest_network_prediction);
732 }
733
734 if (options.suggestions & SUGGEST_FIREWALL_CONFIG) {
735 base::DictionaryValue* suggest_firewall_config = new base::DictionaryValue;
736 suggest_firewall_config->SetString("header",
737 l10n_util::GetStringUTF16(
738 IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_HEADER));
739 suggest_firewall_config->SetString("body",
740 l10n_util::GetStringUTF16(
741 IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_BODY));
742 suggestions->Append(suggest_firewall_config);
743 }
744
745 if (options.suggestions & SUGGEST_PROXY_CONFIG) {
746 base::DictionaryValue* suggest_proxy_config = GetStandardMenuItemsText();
747 suggest_proxy_config->SetString("header",
748 l10n_util::GetStringUTF16(
749 IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_HEADER));
750 suggest_proxy_config->SetString("body",
751 l10n_util::GetStringFUTF16(IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_BODY,
752 l10n_util::GetStringUTF16(
753 IDS_ERRORPAGES_SUGGESTION_PROXY_DISABLE_PLATFORM)));
754 suggest_proxy_config->SetString("proxyTitle",
755 l10n_util::GetStringUTF16(IDS_OPTIONS_PROXIES_CONFIGURE_BUTTON));
756
757 suggestions->Append(suggest_proxy_config);
758 }
759
760 if (options.suggestions & SUGGEST_DISABLE_EXTENSION) {
761 base::DictionaryValue* suggest_disable_extension =
762 new base::DictionaryValue;
763 // There's only a header for this suggestion.
764 suggest_disable_extension->SetString("header",
765 l10n_util::GetStringUTF16(
766 IDS_ERRORPAGES_SUGGESTION_DISABLE_EXTENSION_HEADER));
767 suggestions->Append(suggest_disable_extension);
768 }
769
770 if (options.suggestions & SUGGEST_VIEW_POLICIES) {
771 base::DictionaryValue* suggest_view_policies = new base::DictionaryValue;
772 suggest_view_policies->SetString(
773 "header",
774 l10n_util::GetStringUTF16(
775 IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_HEADER));
776 suggest_view_policies->SetString(
777 "body",
778 l10n_util::GetStringUTF16(
779 IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_BODY));
780 suggestions->Append(suggest_view_policies);
781 }
782
783 if (options.suggestions & SUGGEST_CONTACT_ADMINISTRATOR) {
784 base::DictionaryValue* suggest_contant_administrator =
785 new base::DictionaryValue;
786 suggest_contant_administrator->SetString(
787 "body",
788 l10n_util::GetStringUTF16(
789 IDS_ERRORPAGES_SUGGESTION_CONTACT_ADMINISTRATOR_BODY));
790 suggestions->Append(suggest_contant_administrator);
791 }
792
793 if (options.suggestions & SUGGEST_LEARNMORE) {
794 GURL learn_more_url;
795 switch (options.error_code) {
796 case net::ERR_TOO_MANY_REDIRECTS:
797 learn_more_url = GURL(kRedirectLoopLearnMoreUrl);
798 break;
799 case net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY:
800 learn_more_url = GURL(kWeakDHKeyLearnMoreUrl);
801 break;
802 default:
803 break;
804 }
805
806 if (learn_more_url.is_valid()) {
807 // Add the language parameter to the URL.
808 std::string query = learn_more_url.query() + "&hl=" + locale;
809 GURL::Replacements repl;
810 repl.SetQueryStr(query);
811 learn_more_url = learn_more_url.ReplaceComponents(repl);
812
813 base::DictionaryValue* suggest_learn_more = new base::DictionaryValue;
814 // There's only a body for this suggestion.
815 suggest_learn_more->SetString("body",
816 l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
817 suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
818 suggestions->Append(suggest_learn_more);
819 }
820 }
821 }
822
GetErrorDetails(const blink::WebURLError & error,bool is_post)823 base::string16 LocalizedError::GetErrorDetails(const blink::WebURLError& error,
824 bool is_post) {
825 const LocalizedErrorMap* error_map =
826 LookupErrorMap(error.domain.utf8(), error.reason, is_post);
827 if (error_map)
828 return l10n_util::GetStringUTF16(error_map->details_resource_id);
829 else
830 return l10n_util::GetStringUTF16(IDS_ERRORPAGES_DETAILS_UNKNOWN);
831 }
832
HasStrings(const std::string & error_domain,int error_code)833 bool LocalizedError::HasStrings(const std::string& error_domain,
834 int error_code) {
835 // Whether or not the there are strings for an error does not depend on
836 // whether or not the page was be generated by a POST, so just claim it was
837 // not.
838 return LookupErrorMap(error_domain, error_code, /*is_post=*/false) != NULL;
839 }
840
GetAppErrorStrings(const GURL & display_url,const extensions::Extension * app,base::DictionaryValue * error_strings)841 void LocalizedError::GetAppErrorStrings(
842 const GURL& display_url,
843 const extensions::Extension* app,
844 base::DictionaryValue* error_strings) {
845 DCHECK(app);
846
847 bool rtl = LocaleIsRTL();
848 error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
849
850 base::string16 failed_url(base::ASCIIToUTF16(display_url.spec()));
851 // URLs are always LTR.
852 if (rtl)
853 base::i18n::WrapStringWithLTRFormatting(&failed_url);
854 error_strings->SetString(
855 "url", l10n_util::GetStringFUTF16(IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
856 failed_url.c_str()));
857
858 error_strings->SetString("title", app->name());
859 error_strings->SetString(
860 "icon",
861 extensions::IconsInfo::GetIconURL(
862 app,
863 extension_misc::EXTENSION_ICON_GIGANTOR,
864 ExtensionIconSet::MATCH_SMALLER).spec());
865 error_strings->SetString("name", app->name());
866 error_strings->SetString(
867 "msg",
868 l10n_util::GetStringUTF16(IDS_ERRORPAGES_APP_WARNING));
869
870 #if defined(OS_CHROMEOS)
871 GURL learn_more_url(kAppWarningLearnMoreUrl);
872 base::DictionaryValue* suggest_learn_more = new base::DictionaryValue();
873 suggest_learn_more->SetString("msg",
874 l10n_util::GetStringUTF16(
875 IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
876 suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
877 error_strings->Set("suggestionsLearnMore", suggest_learn_more);
878 #endif // defined(OS_CHROMEOS)
879 }
880