// Copyright (c) 2012 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/common/localized_error.h"
#include "base/i18n/rtl.h"
#include "base/logging.h"
#include "base/strings/string16.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/common/net/net_error_info.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension_icon_set.h"
#include "extensions/common/manifest_handlers/icons_handler.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "net/base/escape.h"
#include "net/base/net_errors.h"
#include "net/base/net_util.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/webui/web_ui_util.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif
using blink::WebURLError;
// Some error pages have no details.
const unsigned int kErrorPagesNoDetails = 0;
namespace {
static const char kRedirectLoopLearnMoreUrl[] =
"https://www.google.com/support/chrome/bin/answer.py?answer=95626";
static const char kWeakDHKeyLearnMoreUrl[] =
"http://sites.google.com/a/chromium.org/dev/"
"err_ssl_weak_server_ephemeral_dh_key";
#if defined(OS_CHROMEOS)
static const char kAppWarningLearnMoreUrl[] =
"chrome-extension://honijodknafkokifofgiaalefdiedpko/main.html"
"?answer=1721911";
#endif // defined(OS_CHROMEOS)
enum NAV_SUGGESTIONS {
SUGGEST_NONE = 0,
SUGGEST_RELOAD = 1 << 0,
SUGGEST_CHECK_CONNECTION = 1 << 1,
SUGGEST_DNS_CONFIG = 1 << 2,
SUGGEST_FIREWALL_CONFIG = 1 << 3,
SUGGEST_PROXY_CONFIG = 1 << 4,
SUGGEST_DISABLE_EXTENSION = 1 << 5,
SUGGEST_LEARNMORE = 1 << 6,
SUGGEST_VIEW_POLICIES = 1 << 7,
SUGGEST_CONTACT_ADMINISTRATOR = 1 << 8,
};
struct LocalizedErrorMap {
int error_code;
unsigned int title_resource_id;
unsigned int heading_resource_id;
// Detailed summary used when the error is in the main frame.
unsigned int summary_resource_id;
// Short one sentence description shown on mouse over when the error is in
// a frame.
unsigned int details_resource_id;
int suggestions; // Bitmap of SUGGEST_* values.
};
const LocalizedErrorMap net_error_options[] = {
{net::ERR_TIMED_OUT,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_TIMED_OUT,
IDS_ERRORPAGES_DETAILS_TIMED_OUT,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
SUGGEST_PROXY_CONFIG,
},
{net::ERR_CONNECTION_TIMED_OUT,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_TIMED_OUT,
IDS_ERRORPAGES_DETAILS_TIMED_OUT,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
SUGGEST_PROXY_CONFIG,
},
{net::ERR_CONNECTION_CLOSED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
SUGGEST_RELOAD,
},
{net::ERR_CONNECTION_RESET,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_CONNECTION_RESET,
IDS_ERRORPAGES_DETAILS_CONNECTION_RESET,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
SUGGEST_PROXY_CONFIG,
},
{net::ERR_CONNECTION_REFUSED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_CONNECTION_REFUSED,
IDS_ERRORPAGES_DETAILS_CONNECTION_REFUSED,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
SUGGEST_PROXY_CONFIG,
},
{net::ERR_CONNECTION_FAILED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
IDS_ERRORPAGES_DETAILS_CONNECTION_FAILED,
SUGGEST_RELOAD,
},
{net::ERR_NAME_NOT_RESOLVED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_DNS_CONFIG |
SUGGEST_FIREWALL_CONFIG | SUGGEST_PROXY_CONFIG,
},
{net::ERR_ADDRESS_UNREACHABLE,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_ADDRESS_UNREACHABLE,
IDS_ERRORPAGES_DETAILS_ADDRESS_UNREACHABLE,
SUGGEST_RELOAD | SUGGEST_FIREWALL_CONFIG | SUGGEST_PROXY_CONFIG,
},
{net::ERR_NETWORK_ACCESS_DENIED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
IDS_ERRORPAGES_SUMMARY_NETWORK_ACCESS_DENIED,
IDS_ERRORPAGES_DETAILS_NETWORK_ACCESS_DENIED,
SUGGEST_FIREWALL_CONFIG,
},
{net::ERR_PROXY_CONNECTION_FAILED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_PROXY_CONNECTION_FAILED,
IDS_ERRORPAGES_SUMMARY_PROXY_CONNECTION_FAILED,
IDS_ERRORPAGES_DETAILS_PROXY_CONNECTION_FAILED,
SUGGEST_PROXY_CONFIG,
},
{net::ERR_INTERNET_DISCONNECTED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED,
IDS_ERRORPAGES_DETAILS_INTERNET_DISCONNECTED,
SUGGEST_NONE,
},
{net::ERR_FILE_NOT_FOUND,
IDS_ERRORPAGES_TITLE_NOT_FOUND,
IDS_ERRORPAGES_HEADING_NOT_FOUND,
IDS_ERRORPAGES_SUMMARY_NOT_FOUND,
IDS_ERRORPAGES_DETAILS_FILE_NOT_FOUND,
SUGGEST_NONE,
},
{net::ERR_CACHE_MISS,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_CACHE_MISS,
IDS_ERRORPAGES_SUMMARY_CACHE_MISS,
IDS_ERRORPAGES_DETAILS_CACHE_MISS,
SUGGEST_RELOAD,
},
{net::ERR_CACHE_READ_FAILURE,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_CACHE_READ_FAILURE,
IDS_ERRORPAGES_SUMMARY_CACHE_READ_FAILURE,
IDS_ERRORPAGES_DETAILS_CACHE_READ_FAILURE,
SUGGEST_RELOAD,
},
{net::ERR_NETWORK_IO_SUSPENDED,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_NETWORK_IO_SUSPENDED,
IDS_ERRORPAGES_SUMMARY_NETWORK_IO_SUSPENDED,
IDS_ERRORPAGES_DETAILS_NETWORK_IO_SUSPENDED,
SUGGEST_RELOAD,
},
{net::ERR_TOO_MANY_REDIRECTS,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_TOO_MANY_REDIRECTS,
IDS_ERRORPAGES_SUMMARY_TOO_MANY_REDIRECTS,
IDS_ERRORPAGES_DETAILS_TOO_MANY_REDIRECTS,
SUGGEST_RELOAD | SUGGEST_LEARNMORE,
},
{net::ERR_EMPTY_RESPONSE,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_EMPTY_RESPONSE,
IDS_ERRORPAGES_SUMMARY_EMPTY_RESPONSE,
IDS_ERRORPAGES_DETAILS_EMPTY_RESPONSE,
SUGGEST_RELOAD,
},
{net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
SUGGEST_NONE,
},
{net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
SUGGEST_NONE,
},
{net::ERR_RESPONSE_HEADERS_MULTIPLE_LOCATION,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_LOCATION,
SUGGEST_NONE,
},
{net::ERR_CONTENT_LENGTH_MISMATCH,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
SUGGEST_RELOAD,
},
{net::ERR_INCOMPLETE_CHUNKED_ENCODING,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
SUGGEST_RELOAD,
},
{net::ERR_SSL_PROTOCOL_ERROR,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_SSL_PROTOCOL_ERROR,
IDS_ERRORPAGES_SUMMARY_SSL_PROTOCOL_ERROR,
IDS_ERRORPAGES_DETAILS_SSL_PROTOCOL_ERROR,
SUGGEST_NONE,
},
{net::ERR_SSL_UNSAFE_NEGOTIATION,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_SSL_PROTOCOL_ERROR,
IDS_ERRORPAGES_SUMMARY_SSL_PROTOCOL_ERROR,
IDS_ERRORPAGES_DETAILS_SSL_UNSAFE_NEGOTIATION,
SUGGEST_NONE,
},
{net::ERR_BAD_SSL_CLIENT_AUTH_CERT,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_BAD_SSL_CLIENT_AUTH_CERT,
IDS_ERRORPAGES_SUMMARY_BAD_SSL_CLIENT_AUTH_CERT,
IDS_ERRORPAGES_DETAILS_BAD_SSL_CLIENT_AUTH_CERT,
SUGGEST_NONE,
},
{net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_WEAK_SERVER_EPHEMERAL_DH_KEY,
IDS_ERRORPAGES_SUMMARY_WEAK_SERVER_EPHEMERAL_DH_KEY,
IDS_ERRORPAGES_DETAILS_SSL_PROTOCOL_ERROR,
SUGGEST_LEARNMORE,
},
{net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_PINNING_FAILURE,
IDS_ERRORPAGES_SUMMARY_PINNING_FAILURE,
IDS_ERRORPAGES_DETAILS_PINNING_FAILURE,
SUGGEST_NONE,
},
{net::ERR_TEMPORARILY_THROTTLED,
IDS_ERRORPAGES_TITLE_ACCESS_DENIED,
IDS_ERRORPAGES_HEADING_ACCESS_DENIED,
IDS_ERRORPAGES_SUMMARY_TEMPORARILY_THROTTLED,
IDS_ERRORPAGES_DETAILS_TEMPORARILY_THROTTLED,
SUGGEST_NONE,
},
{net::ERR_BLOCKED_BY_CLIENT,
IDS_ERRORPAGES_TITLE_BLOCKED,
IDS_ERRORPAGES_HEADING_BLOCKED,
IDS_ERRORPAGES_SUMMARY_BLOCKED,
IDS_ERRORPAGES_DETAILS_BLOCKED,
SUGGEST_RELOAD | SUGGEST_DISABLE_EXTENSION,
},
{net::ERR_NETWORK_CHANGED,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
IDS_ERRORPAGES_SUMMARY_NETWORK_CHANGED,
IDS_ERRORPAGES_DETAILS_NETWORK_CHANGED,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION,
},
{net::ERR_BLOCKED_BY_ADMINISTRATOR,
IDS_ERRORPAGES_TITLE_BLOCKED,
IDS_ERRORPAGES_HEADING_BLOCKED_BY_ADMINISTRATOR,
IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_ADMINISTRATOR,
IDS_ERRORPAGES_DETAILS_BLOCKED_BY_ADMINISTRATOR,
SUGGEST_VIEW_POLICIES | SUGGEST_CONTACT_ADMINISTRATOR,
},
{net::ERR_BLOCKED_ENROLLMENT_CHECK_PENDING,
IDS_ERRORPAGES_TITLE_BLOCKED,
IDS_ERRORPAGES_HEADING_BLOCKED_BY_ADMINISTRATOR,
IDS_ERRORPAGES_SUMMARY_BLOCKED_ENROLLMENT_CHECK_PENDING,
IDS_ERRORPAGES_DETAILS_BLOCKED_ENROLLMENT_CHECK_PENDING,
SUGGEST_CHECK_CONNECTION,
},
};
// Special error page to be used in the case of navigating back to a page
// generated by a POST. LocalizedError::HasStrings expects this net error code
// to also appear in the array above.
const LocalizedErrorMap repost_error = {
net::ERR_CACHE_MISS,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_HTTP_POST_WARNING_TITLE,
IDS_ERRORPAGES_HTTP_POST_WARNING,
IDS_ERRORPAGES_DETAILS_CACHE_MISS,
SUGGEST_RELOAD,
};
const LocalizedErrorMap http_error_options[] = {
{403,
IDS_ERRORPAGES_TITLE_ACCESS_DENIED,
IDS_ERRORPAGES_HEADING_ACCESS_DENIED,
IDS_ERRORPAGES_SUMMARY_FORBIDDEN,
IDS_ERRORPAGES_DETAILS_FORBIDDEN,
SUGGEST_NONE,
},
{410,
IDS_ERRORPAGES_TITLE_NOT_FOUND,
IDS_ERRORPAGES_HEADING_NOT_FOUND,
IDS_ERRORPAGES_SUMMARY_GONE,
IDS_ERRORPAGES_DETAILS_GONE,
SUGGEST_NONE,
},
{500,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
IDS_ERRORPAGES_SUMMARY_INTERNAL_SERVER_ERROR,
IDS_ERRORPAGES_DETAILS_INTERNAL_SERVER_ERROR,
SUGGEST_RELOAD,
},
{501,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
IDS_ERRORPAGES_SUMMARY_WEBSITE_CANNOT_HANDLE,
IDS_ERRORPAGES_DETAILS_NOT_IMPLEMENTED,
SUGGEST_NONE,
},
{502,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
IDS_ERRORPAGES_SUMMARY_BAD_GATEWAY,
IDS_ERRORPAGES_DETAILS_BAD_GATEWAY,
SUGGEST_RELOAD,
},
{503,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
IDS_ERRORPAGES_SUMMARY_SERVICE_UNAVAILABLE,
IDS_ERRORPAGES_DETAILS_SERVICE_UNAVAILABLE,
SUGGEST_RELOAD,
},
{504,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
IDS_ERRORPAGES_SUMMARY_GATEWAY_TIMEOUT,
IDS_ERRORPAGES_DETAILS_GATEWAY_TIMEOUT,
SUGGEST_RELOAD,
},
{505,
IDS_ERRORPAGES_TITLE_LOAD_FAILED,
IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
IDS_ERRORPAGES_SUMMARY_WEBSITE_CANNOT_HANDLE,
IDS_ERRORPAGES_DETAILS_HTTP_VERSION_NOT_SUPPORTED,
SUGGEST_NONE,
},
};
const LocalizedErrorMap dns_probe_error_options[] = {
{chrome_common_net::DNS_PROBE_POSSIBLE,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_DNS_PROBE_RUNNING,
IDS_ERRORPAGES_DETAILS_DNS_PROBE_RUNNING,
SUGGEST_RELOAD,
},
// DNS_PROBE_NOT_RUN is not here; NetErrorHelper will restore the original
// error, which might be one of several DNS-related errors.
{chrome_common_net::DNS_PROBE_STARTED,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_DNS_PROBE_RUNNING,
IDS_ERRORPAGES_DETAILS_DNS_PROBE_RUNNING,
// Include SUGGEST_RELOAD so the More button doesn't jump when we update.
SUGGEST_RELOAD,
},
// DNS_PROBE_FINISHED_UNKNOWN is not here; NetErrorHelper will restore the
// original error, which might be one of several DNS-related errors.
{chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED,
IDS_ERRORPAGES_DETAILS_INTERNET_DISCONNECTED,
SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG,
},
{chrome_common_net::DNS_PROBE_FINISHED_BAD_CONFIG,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
SUGGEST_RELOAD | SUGGEST_DNS_CONFIG | SUGGEST_FIREWALL_CONFIG,
},
{chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
SUGGEST_RELOAD,
},
};
const LocalizedErrorMap* FindErrorMapInArray(const LocalizedErrorMap* maps,
size_t num_maps,
int error_code) {
for (size_t i = 0; i < num_maps; ++i) {
if (maps[i].error_code == error_code)
return &maps[i];
}
return NULL;
}
const LocalizedErrorMap* LookupErrorMap(const std::string& error_domain,
int error_code, bool is_post) {
if (error_domain == net::kErrorDomain) {
// Display a different page in the special case of navigating through the
// history to an uncached page created by a POST.
if (is_post && error_code == net::ERR_CACHE_MISS)
return &repost_error;
return FindErrorMapInArray(net_error_options,
arraysize(net_error_options),
error_code);
} else if (error_domain == LocalizedError::kHttpErrorDomain) {
return FindErrorMapInArray(http_error_options,
arraysize(http_error_options),
error_code);
} else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
const LocalizedErrorMap* map =
FindErrorMapInArray(dns_probe_error_options,
arraysize(dns_probe_error_options),
error_code);
DCHECK(map);
return map;
} else {
NOTREACHED();
return NULL;
}
}
bool LocaleIsRTL() {
return base::i18n::IsRTL();
}
// Returns a dictionary containing the strings for the settings menu under the
// wrench, and the advanced settings button.
base::DictionaryValue* GetStandardMenuItemsText() {
base::DictionaryValue* standard_menu_items_text = new base::DictionaryValue();
standard_menu_items_text->SetString("settingsTitle",
l10n_util::GetStringUTF16(IDS_SETTINGS_TITLE));
standard_menu_items_text->SetString("advancedTitle",
l10n_util::GetStringUTF16(IDS_SETTINGS_SHOW_ADVANCED_SETTINGS));
return standard_menu_items_text;
}
// Gets the icon class for a given |error_domain| and |error_code|.
const char* GetIconClassForError(const std::string& error_domain,
int error_code) {
if ((error_code == net::ERR_INTERNET_DISCONNECTED &&
error_domain == net::kErrorDomain) ||
(error_code == chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET &&
error_domain == chrome_common_net::kDnsProbeErrorDomain))
return "icon-offline";
return "icon-generic";
}
} // namespace
const char LocalizedError::kHttpErrorDomain[] = "http";
LocalizedError::ErrorPageParams::ErrorPageParams()
: suggest_reload(false),
reload_tracking_id(-1),
search_tracking_id(-1) {
}
LocalizedError::ErrorPageParams::~ErrorPageParams() {
}
void LocalizedError::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) {
bool rtl = LocaleIsRTL();
error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
// Grab the strings and settings that depend on the error type. Init
// options with default values.
LocalizedErrorMap options = {
0,
IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
kErrorPagesNoDetails,
SUGGEST_NONE,
};
const LocalizedErrorMap* error_map = LookupErrorMap(error_domain, error_code,
is_post);
if (error_map)
options = *error_map;
// If we got "access denied" but the url was a file URL, then we say it was a
// file instead of just using the "not available" default message. Just adding
// ERR_ACCESS_DENIED to the map isn't sufficient, since that message may be
// generated by some OSs when the operation doesn't involve a file URL.
if (error_domain == net::kErrorDomain &&
error_code == net::ERR_ACCESS_DENIED &&
failed_url.scheme() == "file") {
options.title_resource_id = IDS_ERRORPAGES_TITLE_ACCESS_DENIED;
options.heading_resource_id = IDS_ERRORPAGES_HEADING_FILE_ACCESS_DENIED;
options.summary_resource_id = IDS_ERRORPAGES_SUMMARY_FILE_ACCESS_DENIED;
options.details_resource_id = IDS_ERRORPAGES_DETAILS_FILE_ACCESS_DENIED;
options.suggestions = SUGGEST_NONE;
}
base::string16 failed_url_string(net::FormatUrl(
failed_url, accept_languages, net::kFormatUrlOmitNothing,
net::UnescapeRule::NORMAL, NULL, NULL, NULL));
// URLs are always LTR.
if (rtl)
base::i18n::WrapStringWithLTRFormatting(&failed_url_string);
error_strings->SetString("title",
l10n_util::GetStringFUTF16(options.title_resource_id, failed_url_string));
error_strings->SetString("heading",
l10n_util::GetStringUTF16(options.heading_resource_id));
std::string icon_class = GetIconClassForError(error_domain, error_code);
error_strings->SetString("iconClass", icon_class);
base::DictionaryValue* summary = new base::DictionaryValue;
summary->SetString("msg",
l10n_util::GetStringUTF16(options.summary_resource_id));
summary->SetString("failedUrl", failed_url_string);
summary->SetString("hostName", net::IDNToUnicode(failed_url.host(),
accept_languages));
summary->SetString("productName",
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
error_strings->SetString(
"more", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_MORE));
error_strings->SetString(
"less", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LESS));
error_strings->Set("summary", summary);
if (options.details_resource_id != kErrorPagesNoDetails) {
error_strings->SetString(
"errorDetails", l10n_util::GetStringUTF16(options.details_resource_id));
}
base::string16 error_string;
if (error_domain == net::kErrorDomain) {
// Non-internationalized error string, for debugging Chrome itself.
std::string ascii_error_string = net::ErrorToString(error_code);
// Remove the leading "net::" from the returned string.
DCHECK(StartsWithASCII(ascii_error_string, "net::", true));
ascii_error_string.erase(0, 5);
error_string = base::ASCIIToUTF16(ascii_error_string);
} else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
std::string ascii_error_string =
chrome_common_net::DnsProbeStatusToString(error_code);
error_string = base::ASCIIToUTF16(ascii_error_string);
} else {
DCHECK_EQ(LocalizedError::kHttpErrorDomain, error_domain);
error_string = base::IntToString16(error_code);
}
error_strings->SetString("errorCode",
l10n_util::GetStringFUTF16(IDS_ERRORPAGES_ERROR_CODE, error_string));
// Platform specific information for diagnosing network issues on OSX and
// Windows.
#if defined(OS_MACOSX) || defined(OS_WIN)
if (error_domain == net::kErrorDomain &&
error_code == net::ERR_INTERNET_DISCONNECTED) {
int platform_string_id =
IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM;
#if defined(OS_WIN)
// Different versions of Windows have different instructions.
base::win::Version windows_version = base::win::GetVersion();
if (windows_version < base::win::VERSION_VISTA) {
// XP, XP64, and Server 2003.
platform_string_id =
IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_XP;
} else if (windows_version == base::win::VERSION_VISTA) {
// Vista
platform_string_id =
IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_VISTA;
}
#endif // defined(OS_WIN)
// Lead with the general error description, and suffix with the platform
// dependent portion of the summary section.
summary->SetString("msg",
l10n_util::GetStringFUTF16(
IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_INSTRUCTIONS_TEMPLATE,
l10n_util::GetStringUTF16(options.summary_resource_id),
l10n_util::GetStringUTF16(platform_string_id)));
}
#endif // defined(OS_MACOSX) || defined(OS_WIN)
// If no parameters were provided, use the defaults.
if (!params) {
params.reset(new ErrorPageParams());
params->suggest_reload = !!(options.suggestions & SUGGEST_RELOAD);
}
base::ListValue* suggestions = NULL;
bool use_default_suggestions = true;
if (!params->override_suggestions) {
suggestions = new base::ListValue();
} else {
suggestions = params->override_suggestions.release();
use_default_suggestions = false;
}
error_strings->Set("suggestions", suggestions);
if (params->search_url.is_valid()) {
error_strings->SetString("searchHeader",
l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_GOOGLE_SEARCH));
error_strings->SetString("searchUrl", params->search_url.spec());
error_strings->SetString("searchTerms", params->search_terms);
error_strings->SetInteger("searchTrackingId", params->search_tracking_id);
}
// Add the reload suggestion, if needed.
if (params->suggest_reload) {
if (!is_post) {
base::DictionaryValue* reload_button = new base::DictionaryValue;
reload_button->SetString(
"msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_RELOAD));
reload_button->SetString("reloadUrl", failed_url.spec());
error_strings->Set("reloadButton", reload_button);
reload_button->SetInteger("reloadTrackingId", params->reload_tracking_id);
} else {
// If the page was created by a post, it can't be reloaded in the same
// way, so just add a suggestion instead.
// TODO(mmenke): Make the reload button bring up the repost confirmation
// dialog for pages resulting from posts.
base::DictionaryValue* suggest_reload_repost = new base::DictionaryValue;
suggest_reload_repost->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_HEADER));
suggest_reload_repost->SetString("body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_BODY));
// Add at the front, so it appears before other suggestions, in the case
// suggestions are being overridden by |params|.
suggestions->Insert(0, suggest_reload_repost);
}
}
// If not using the default suggestions, nothing else to do.
if (!use_default_suggestions)
return;
if (show_stale_load_button) {
base::DictionaryValue* stale_load_button = new base::DictionaryValue;
stale_load_button->SetString(
"msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE));
stale_load_button->SetString(
"title",
l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE_HELP));
error_strings->Set("staleLoadButton", stale_load_button);
}
#if defined(OS_CHROMEOS)
error_strings->SetString(
"diagnose", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_DIAGNOSE));
#endif // defined(OS_CHROMEOS)
if (options.suggestions & SUGGEST_CHECK_CONNECTION) {
base::DictionaryValue* suggest_check_connection = new base::DictionaryValue;
suggest_check_connection->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_HEADER));
suggest_check_connection->SetString("body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_BODY));
suggestions->Append(suggest_check_connection);
}
if (options.suggestions & SUGGEST_DNS_CONFIG) {
base::DictionaryValue* suggest_dns_config = new base::DictionaryValue;
suggest_dns_config->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_HEADER));
suggest_dns_config->SetString("body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_BODY));
suggestions->Append(suggest_dns_config);
base::DictionaryValue* suggest_network_prediction =
GetStandardMenuItemsText();
suggest_network_prediction->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_HEADER));
suggest_network_prediction->SetString("body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_BODY));
suggest_network_prediction->SetString(
"noNetworkPredictionTitle",
l10n_util::GetStringUTF16(
IDS_NETWORK_PREDICTION_ENABLED_DESCRIPTION));
suggestions->Append(suggest_network_prediction);
}
if (options.suggestions & SUGGEST_FIREWALL_CONFIG) {
base::DictionaryValue* suggest_firewall_config = new base::DictionaryValue;
suggest_firewall_config->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_HEADER));
suggest_firewall_config->SetString("body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_BODY));
suggestions->Append(suggest_firewall_config);
}
if (options.suggestions & SUGGEST_PROXY_CONFIG) {
base::DictionaryValue* suggest_proxy_config = GetStandardMenuItemsText();
suggest_proxy_config->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_HEADER));
suggest_proxy_config->SetString("body",
l10n_util::GetStringFUTF16(IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_BODY,
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_PROXY_DISABLE_PLATFORM)));
suggest_proxy_config->SetString("proxyTitle",
l10n_util::GetStringUTF16(IDS_OPTIONS_PROXIES_CONFIGURE_BUTTON));
suggestions->Append(suggest_proxy_config);
}
if (options.suggestions & SUGGEST_DISABLE_EXTENSION) {
base::DictionaryValue* suggest_disable_extension =
new base::DictionaryValue;
// There's only a header for this suggestion.
suggest_disable_extension->SetString("header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_DISABLE_EXTENSION_HEADER));
suggestions->Append(suggest_disable_extension);
}
if (options.suggestions & SUGGEST_VIEW_POLICIES) {
base::DictionaryValue* suggest_view_policies = new base::DictionaryValue;
suggest_view_policies->SetString(
"header",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_HEADER));
suggest_view_policies->SetString(
"body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_BODY));
suggestions->Append(suggest_view_policies);
}
if (options.suggestions & SUGGEST_CONTACT_ADMINISTRATOR) {
base::DictionaryValue* suggest_contant_administrator =
new base::DictionaryValue;
suggest_contant_administrator->SetString(
"body",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_CONTACT_ADMINISTRATOR_BODY));
suggestions->Append(suggest_contant_administrator);
}
if (options.suggestions & SUGGEST_LEARNMORE) {
GURL learn_more_url;
switch (options.error_code) {
case net::ERR_TOO_MANY_REDIRECTS:
learn_more_url = GURL(kRedirectLoopLearnMoreUrl);
break;
case net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY:
learn_more_url = GURL(kWeakDHKeyLearnMoreUrl);
break;
default:
break;
}
if (learn_more_url.is_valid()) {
// Add the language parameter to the URL.
std::string query = learn_more_url.query() + "&hl=" + locale;
GURL::Replacements repl;
repl.SetQueryStr(query);
learn_more_url = learn_more_url.ReplaceComponents(repl);
base::DictionaryValue* suggest_learn_more = new base::DictionaryValue;
// There's only a body for this suggestion.
suggest_learn_more->SetString("body",
l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
suggestions->Append(suggest_learn_more);
}
}
}
base::string16 LocalizedError::GetErrorDetails(const blink::WebURLError& error,
bool is_post) {
const LocalizedErrorMap* error_map =
LookupErrorMap(error.domain.utf8(), error.reason, is_post);
if (error_map)
return l10n_util::GetStringUTF16(error_map->details_resource_id);
else
return l10n_util::GetStringUTF16(IDS_ERRORPAGES_DETAILS_UNKNOWN);
}
bool LocalizedError::HasStrings(const std::string& error_domain,
int error_code) {
// Whether or not the there are strings for an error does not depend on
// whether or not the page was be generated by a POST, so just claim it was
// not.
return LookupErrorMap(error_domain, error_code, /*is_post=*/false) != NULL;
}
void LocalizedError::GetAppErrorStrings(
const GURL& display_url,
const extensions::Extension* app,
base::DictionaryValue* error_strings) {
DCHECK(app);
bool rtl = LocaleIsRTL();
error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
base::string16 failed_url(base::ASCIIToUTF16(display_url.spec()));
// URLs are always LTR.
if (rtl)
base::i18n::WrapStringWithLTRFormatting(&failed_url);
error_strings->SetString(
"url", l10n_util::GetStringFUTF16(IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
failed_url.c_str()));
error_strings->SetString("title", app->name());
error_strings->SetString(
"icon",
extensions::IconsInfo::GetIconURL(
app,
extension_misc::EXTENSION_ICON_GIGANTOR,
ExtensionIconSet::MATCH_SMALLER).spec());
error_strings->SetString("name", app->name());
error_strings->SetString(
"msg",
l10n_util::GetStringUTF16(IDS_ERRORPAGES_APP_WARNING));
#if defined(OS_CHROMEOS)
GURL learn_more_url(kAppWarningLearnMoreUrl);
base::DictionaryValue* suggest_learn_more = new base::DictionaryValue();
suggest_learn_more->SetString("msg",
l10n_util::GetStringUTF16(
IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
error_strings->Set("suggestionsLearnMore", suggest_learn_more);
#endif // defined(OS_CHROMEOS)
}