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// 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/browser/website_settings.h"
#include <string>
#include <vector>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/i18n/time_formatting.h"
#include "base/string_number_conversions.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/browsing_data_cookie_helper.h"
#include "chrome/browser/browsing_data_database_helper.h"
#include "chrome/browser/browsing_data_local_storage_helper.h"
#include "chrome/browser/browsing_data_indexed_db_helper.h"
#include "chrome/browser/browsing_data_file_system_helper.h"
#include "chrome/browser/browsing_data_server_bound_cert_helper.h"
#include "chrome/browser/content_settings/content_settings_utils.h"
#include "chrome/browser/content_settings/host_content_settings_map.h"
#include "chrome/browser/content_settings/local_shared_objects_container.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ssl/ssl_error_info.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
#include "chrome/browser/ui/website_settings_ui.h"
#include "chrome/common/content_settings_pattern.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/cert_store.h"
#include "content/public/common/ssl_status.h"
#include "content/public/common/url_constants.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "net/base/cert_status_flags.h"
#include "net/base/registry_controlled_domain.h"
#include "net/base/ssl_cipher_suite_names.h"
#include "net/base/ssl_connection_status_flags.h"
#include "net/base/x509_certificate.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#if defined(TOOLKIT_GTK)
#include "chrome/browser/ui/gtk/website_settings_popup_gtk.h"
#endif
using content::BrowserThread;
namespace {
ContentSettingsType kPermissionType[] = {
CONTENT_SETTINGS_TYPE_POPUPS,
CONTENT_SETTINGS_TYPE_PLUGINS,
CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
CONTENT_SETTINGS_TYPE_GEOLOCATION,
};
} // namespace
WebsiteSettings::WebsiteSettings(
WebsiteSettingsUI* ui,
Profile* profile,
TabSpecificContentSettings* tab_specific_content_settings,
const GURL& url,
const content::SSLStatus& ssl,
content::CertStore* cert_store)
: TabSpecificContentSettings::SiteDataObserver(
tab_specific_content_settings),
ui_(ui),
site_url_(url),
site_identity_status_(SITE_IDENTITY_STATUS_UNKNOWN),
cert_id_(0),
site_connection_status_(SITE_CONNECTION_STATUS_UNKNOWN),
cert_store_(cert_store),
content_settings_(profile->GetHostContentSettingsMap()) {
ui_->SetPresenter(this);
Init(profile, url, ssl);
HistoryService* history_service =
profile->GetHistoryService(Profile::EXPLICIT_ACCESS);
if (history_service) {
history_service->GetVisibleVisitCountToHost(
site_url_,
&visit_count_request_consumer_,
base::Bind(&WebsiteSettings::OnGotVisitCountToHost,
base::Unretained(this)));
}
PresentSitePermissions();
PresentSiteData();
PresentSiteIdentity();
PresentHistoryInfo(base::Time());
}
WebsiteSettings::~WebsiteSettings() {
}
void WebsiteSettings::OnUIClosing() {
ui_->SetPresenter(NULL);
delete this;
}
void WebsiteSettings::OnSitePermissionChanged(ContentSettingsType type,
ContentSetting setting) {
ContentSettingsPattern primary_pattern;
ContentSettingsPattern secondary_pattern;
switch (type) {
case CONTENT_SETTINGS_TYPE_GEOLOCATION:
// TODO(markusheintz): The rule we create here should also change the
// location permission for iframed content.
primary_pattern = ContentSettingsPattern::FromURLNoWildcard(site_url_);
secondary_pattern = ContentSettingsPattern::FromURLNoWildcard(site_url_);
break;
case CONTENT_SETTINGS_TYPE_NOTIFICATIONS:
primary_pattern = ContentSettingsPattern::FromURLNoWildcard(site_url_);
secondary_pattern = ContentSettingsPattern::Wildcard();
break;
case CONTENT_SETTINGS_TYPE_PLUGINS:
case CONTENT_SETTINGS_TYPE_POPUPS:
primary_pattern = ContentSettingsPattern::FromURL(site_url_);
secondary_pattern = ContentSettingsPattern::Wildcard();
break;
default:
NOTREACHED() << "ContentSettingsType " << type << "is not supported.";
break;
}
// Permission settings are specified via rules. There exists always at least
// one rule for the default setting. Get the rule that currently defines
// the permission for the given permission |type|. Then test whether the
// existing rule is more specific than the rule we are about to create. If
// the existing rule is more specific, than change the existing rule instead
// of creating a new rule that would be hidden behind the existing rule.
content_settings::SettingInfo info;
scoped_ptr<Value> v(content_settings_->GetWebsiteSetting(
site_url_, site_url_, type, "", &info));
DCHECK(info.source == content_settings::SETTING_SOURCE_USER);
ContentSettingsPattern::Relation r1 =
info.primary_pattern.Compare(primary_pattern);
DCHECK(r1 != ContentSettingsPattern::DISJOINT_ORDER_POST &&
r1 != ContentSettingsPattern::DISJOINT_ORDER_PRE);
if (r1 == ContentSettingsPattern::PREDECESSOR) {
primary_pattern = info.primary_pattern;
} else if (r1 == ContentSettingsPattern::IDENTITY) {
ContentSettingsPattern::Relation r2 =
info.secondary_pattern.Compare(secondary_pattern);
DCHECK(r2 != ContentSettingsPattern::DISJOINT_ORDER_POST &&
r2 != ContentSettingsPattern::DISJOINT_ORDER_PRE);
if (r2 == ContentSettingsPattern::PREDECESSOR)
secondary_pattern = info.secondary_pattern;
}
Value* value = NULL;
if (setting != CONTENT_SETTING_DEFAULT)
value = Value::CreateIntegerValue(setting);
content_settings_->SetWebsiteSetting(
primary_pattern, secondary_pattern, type, "", value);
}
void WebsiteSettings::OnGotVisitCountToHost(HistoryService::Handle handle,
bool found_visits,
int visit_count,
base::Time first_visit) {
if (!found_visits) {
// This indicates an error, such as the page's URL scheme wasn't
// http/https.
first_visit = base::Time();
} else if (visit_count == 0) {
first_visit = base::Time::Now();
}
PresentHistoryInfo(first_visit);
}
void WebsiteSettings::OnSiteDataAccessed() {
PresentSiteData();
}
void WebsiteSettings::Init(Profile* profile,
const GURL& url,
const content::SSLStatus& ssl) {
if (url.SchemeIs(chrome::kChromeUIScheme)) {
site_identity_status_ = SITE_IDENTITY_STATUS_INTERNAL_PAGE;
site_identity_details_ =
l10n_util::GetStringUTF16(IDS_PAGE_INFO_INTERNAL_PAGE);
site_connection_status_ = SITE_CONNECTION_STATUS_INTERNAL_PAGE;
return;
}
scoped_refptr<net::X509Certificate> cert;
// Identity section.
string16 subject_name(UTF8ToUTF16(url.host()));
if (subject_name.empty()) {
subject_name.assign(
l10n_util::GetStringUTF16(IDS_PAGE_INFO_SECURITY_TAB_UNKNOWN_PARTY));
}
cert_id_ = ssl.cert_id;
if (ssl.cert_id &&
cert_store_->RetrieveCert(ssl.cert_id, &cert) &&
(!net::IsCertStatusError(ssl.cert_status) ||
net::IsCertStatusMinorError(ssl.cert_status))) {
// There are no major errors. Check for minor errors.
if (net::IsCertStatusMinorError(ssl.cert_status)) {
site_identity_status_ = SITE_IDENTITY_STATUS_CERT_REVOCATION_UNKNOWN;
string16 issuer_name(UTF8ToUTF16(cert->issuer().GetDisplayName()));
if (issuer_name.empty()) {
issuer_name.assign(l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_UNKNOWN_PARTY));
}
site_identity_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY, issuer_name));
site_identity_details_ += ASCIIToUTF16("\n\n");
if (ssl.cert_status & net::CERT_STATUS_UNABLE_TO_CHECK_REVOCATION) {
site_identity_details_ += l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_UNABLE_TO_CHECK_REVOCATION);
} else if (ssl.cert_status & net::CERT_STATUS_NO_REVOCATION_MECHANISM) {
site_identity_details_ += l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_NO_REVOCATION_MECHANISM);
} else {
NOTREACHED() << "Need to specify string for this warning";
}
} else if (ssl.cert_status & net::CERT_STATUS_IS_EV) {
// EV HTTPS page.
site_identity_status_ = SITE_IDENTITY_STATUS_EV_CERT;
DCHECK(!cert->subject().organization_names.empty());
organization_name_ = UTF8ToUTF16(cert->subject().organization_names[0]);
// An EV Cert is required to have a city (localityName) and country but
// state is "if any".
DCHECK(!cert->subject().locality_name.empty());
DCHECK(!cert->subject().country_name.empty());
string16 locality;
if (!cert->subject().state_or_province_name.empty()) {
locality = l10n_util::GetStringFUTF16(
IDS_PAGEINFO_ADDRESS,
UTF8ToUTF16(cert->subject().locality_name),
UTF8ToUTF16(cert->subject().state_or_province_name),
UTF8ToUTF16(cert->subject().country_name));
} else {
locality = l10n_util::GetStringFUTF16(
IDS_PAGEINFO_PARTIAL_ADDRESS,
UTF8ToUTF16(cert->subject().locality_name),
UTF8ToUTF16(cert->subject().country_name));
}
DCHECK(!cert->subject().organization_names.empty());
site_identity_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY_EV,
UTF8ToUTF16(cert->subject().organization_names[0]),
locality,
UTF8ToUTF16(cert->issuer().GetDisplayName())));
} else if (ssl.cert_status & net::CERT_STATUS_IS_DNSSEC) {
// DNSSEC authenticated page.
site_identity_status_ = SITE_IDENTITY_STATUS_DNSSEC_CERT;
site_identity_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY, UTF8ToUTF16("DNSSEC")));
} else {
// Non-EV OK HTTPS page.
site_identity_status_ = SITE_IDENTITY_STATUS_CERT;
string16 issuer_name(UTF8ToUTF16(cert->issuer().GetDisplayName()));
if (issuer_name.empty()) {
issuer_name.assign(l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_UNKNOWN_PARTY));
}
site_identity_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY, issuer_name));
}
} else {
// HTTP or HTTPS with errors (not warnings).
site_identity_details_.assign(l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_INSECURE_IDENTITY));
if (ssl.security_style == content::SECURITY_STYLE_UNAUTHENTICATED)
site_identity_status_ = SITE_IDENTITY_STATUS_NO_CERT;
else
site_identity_status_ = SITE_IDENTITY_STATUS_ERROR;
const string16 bullet = UTF8ToUTF16("\n • ");
std::vector<SSLErrorInfo> errors;
SSLErrorInfo::GetErrorsForCertStatus(ssl.cert_id, ssl.cert_status,
url, &errors);
for (size_t i = 0; i < errors.size(); ++i) {
site_identity_details_ += bullet;
site_identity_details_ += errors[i].short_description();
}
if (ssl.cert_status & net::CERT_STATUS_NON_UNIQUE_NAME) {
site_identity_details_ += ASCIIToUTF16("\n\n");
site_identity_details_ += l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_NON_UNIQUE_NAME);
}
}
// Site Connection
// We consider anything less than 80 bits encryption to be weak encryption.
// TODO(wtc): Bug 1198735: report mixed/unsafe content for unencrypted and
// weakly encrypted connections.
site_connection_status_ = SITE_CONNECTION_STATUS_UNKNOWN;
if (!ssl.cert_id) {
// Not HTTPS.
DCHECK_EQ(ssl.security_style, content::SECURITY_STYLE_UNAUTHENTICATED);
if (ssl.security_style == content::SECURITY_STYLE_UNAUTHENTICATED)
site_connection_status_ = SITE_CONNECTION_STATUS_UNENCRYPTED;
else
site_connection_status_ = SITE_CONNECTION_STATUS_ENCRYPTED_ERROR;
site_connection_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_NOT_ENCRYPTED_CONNECTION_TEXT,
subject_name));
} else if (ssl.security_bits < 0) {
// Security strength is unknown. Say nothing.
site_connection_status_ = SITE_CONNECTION_STATUS_ENCRYPTED_ERROR;
} else if (ssl.security_bits == 0) {
DCHECK_NE(ssl.security_style, content::SECURITY_STYLE_UNAUTHENTICATED);
site_connection_status_ = SITE_CONNECTION_STATUS_ENCRYPTED_ERROR;
site_connection_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_NOT_ENCRYPTED_CONNECTION_TEXT,
subject_name));
} else if (ssl.security_bits < 80) {
site_connection_status_ = SITE_CONNECTION_STATUS_ENCRYPTED_ERROR;
site_connection_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_WEAK_ENCRYPTION_CONNECTION_TEXT,
subject_name));
} else {
site_connection_status_ = SITE_CONNECTION_STATUS_ENCRYPTED;
site_connection_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTED_CONNECTION_TEXT,
subject_name,
base::IntToString16(ssl.security_bits)));
if (ssl.content_status) {
bool ran_insecure_content =
!!(ssl.content_status & content::SSLStatus::RAN_INSECURE_CONTENT);
site_connection_status_ = ran_insecure_content ?
SITE_CONNECTION_STATUS_ENCRYPTED_ERROR
: SITE_CONNECTION_STATUS_MIXED_CONTENT;
site_connection_details_.assign(l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTED_SENTENCE_LINK,
site_connection_details_,
l10n_util::GetStringUTF16(ran_insecure_content ?
IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTED_INSECURE_CONTENT_ERROR :
IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTED_INSECURE_CONTENT_WARNING)));
}
}
uint16 cipher_suite =
net::SSLConnectionStatusToCipherSuite(ssl.connection_status);
if (ssl.security_bits > 0 && cipher_suite) {
int ssl_version =
net::SSLConnectionStatusToVersion(ssl.connection_status);
const char* ssl_version_str;
net::SSLVersionToString(&ssl_version_str, ssl_version);
site_connection_details_ += ASCIIToUTF16("\n\n");
site_connection_details_ += l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_SSL_VERSION,
ASCIIToUTF16(ssl_version_str));
bool did_fallback = (ssl.connection_status &
net::SSL_CONNECTION_SSL3_FALLBACK) != 0;
bool no_renegotiation =
(ssl.connection_status &
net::SSL_CONNECTION_NO_RENEGOTIATION_EXTENSION) != 0;
const char *key_exchange, *cipher, *mac;
net::SSLCipherSuiteToStrings(&key_exchange, &cipher, &mac, cipher_suite);
site_connection_details_ += ASCIIToUTF16("\n\n");
site_connection_details_ += l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_ENCRYPTION_DETAILS,
ASCIIToUTF16(cipher), ASCIIToUTF16(mac), ASCIIToUTF16(key_exchange));
site_connection_details_ += ASCIIToUTF16("\n\n");
uint8 compression_id =
net::SSLConnectionStatusToCompression(ssl.connection_status);
if (compression_id) {
const char* compression;
net::SSLCompressionToString(&compression, compression_id);
site_connection_details_ += l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_COMPRESSION_DETAILS,
ASCIIToUTF16(compression));
} else {
site_connection_details_ += l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_NO_COMPRESSION);
}
if (did_fallback) {
// For now, only SSLv3 fallback will trigger a warning icon.
if (site_connection_status_ < SITE_CONNECTION_STATUS_MIXED_CONTENT)
site_connection_status_ = SITE_CONNECTION_STATUS_MIXED_CONTENT;
site_connection_details_ += ASCIIToUTF16("\n\n");
site_connection_details_ += l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_FALLBACK_MESSAGE);
}
if (no_renegotiation) {
site_connection_details_ += ASCIIToUTF16("\n\n");
site_connection_details_ += l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_RENEGOTIATION_MESSAGE);
}
}
}
void WebsiteSettings::PresentSitePermissions() {
PermissionInfoList permission_info_list;
WebsiteSettingsUI::PermissionInfo permission_info;
for (size_t i = 0; i < arraysize(kPermissionType); ++i) {
permission_info.type = kPermissionType[i];
content_settings::SettingInfo info;
scoped_ptr<Value> value(content_settings_->GetWebsiteSetting(
site_url_, site_url_, permission_info.type, "", &info));
DCHECK(value.get());
permission_info.setting =
content_settings::ValueToContentSetting(value.get());
if (permission_info.setting != CONTENT_SETTING_ASK) {
if (info.primary_pattern == ContentSettingsPattern::Wildcard() &&
info.secondary_pattern == ContentSettingsPattern::Wildcard()) {
permission_info.default_setting = permission_info.setting;
permission_info.setting = CONTENT_SETTING_DEFAULT;
} else {
permission_info.default_setting =
content_settings_->GetDefaultContentSetting(permission_info.type,
NULL);
}
permission_info_list.push_back(permission_info);
}
}
ui_->SetPermissionInfo(permission_info_list);
}
void WebsiteSettings::PresentSiteData() {
CookieInfoList cookie_info_list;
const LocalSharedObjectsContainer& allowed_objects =
tab_specific_content_settings()->allowed_local_shared_objects();
const LocalSharedObjectsContainer& blocked_objects =
tab_specific_content_settings()->blocked_local_shared_objects();
// Add first party cookie and site data counts.
WebsiteSettingsUI::CookieInfo cookie_info;
std::string cookie_source =
net::RegistryControlledDomainService::GetDomainAndRegistry(site_url_);
if (cookie_source.empty())
cookie_source = site_url_.host();
cookie_info.cookie_source = cookie_source;
cookie_info.allowed = allowed_objects.GetObjectCountForDomain(site_url_);
cookie_info.blocked = blocked_objects.GetObjectCountForDomain(site_url_);
cookie_info_list.push_back(cookie_info);
// Add third party cookie counts.
cookie_info.cookie_source = l10n_util::GetStringUTF8(
IDS_WEBSITE_SETTINGS_THIRD_PARTY_SITE_DATA);
cookie_info.allowed = allowed_objects.GetObjectCount() - cookie_info.allowed;
cookie_info.blocked = blocked_objects.GetObjectCount() - cookie_info.blocked;
cookie_info_list.push_back(cookie_info);
ui_->SetCookieInfo(cookie_info_list);
}
void WebsiteSettings::PresentSiteIdentity() {
// After initialization the status about the site's connection
// and it's identity must be available.
DCHECK_NE(site_identity_status_, SITE_IDENTITY_STATUS_UNKNOWN);
DCHECK_NE(site_connection_status_, SITE_CONNECTION_STATUS_UNKNOWN);
WebsiteSettingsUI::IdentityInfo info;
if (site_identity_status_ == SITE_IDENTITY_STATUS_EV_CERT)
info.site_identity = UTF16ToUTF8(organization_name());
else
info.site_identity = site_url_.host();
info.connection_status = site_connection_status_;
info.connection_status_description =
UTF16ToUTF8(site_connection_details_);
info.identity_status = site_identity_status_;
info.identity_status_description =
UTF16ToUTF8(site_identity_details_);
info.cert_id = cert_id_;
ui_->SetIdentityInfo(info);
}
void WebsiteSettings::PresentHistoryInfo(base::Time first_visit) {
if (first_visit == base::Time()) {
ui_->SetFirstVisit(string16());
return;
}
bool visited_before_today = false;
base::Time today = base::Time::Now().LocalMidnight();
base::Time first_visit_midnight = first_visit.LocalMidnight();
visited_before_today = (first_visit_midnight < today);
string16 first_visit_text;
if (visited_before_today) {
first_visit_text = l10n_util::GetStringFUTF16(
IDS_PAGE_INFO_SECURITY_TAB_VISITED_BEFORE_TODAY,
base::TimeFormatShortDate(first_visit));
} else {
first_visit_text = l10n_util::GetStringUTF16(
IDS_PAGE_INFO_SECURITY_TAB_FIRST_VISITED_TODAY);
}
ui_->SetFirstVisit(first_visit_text);
}
// static
void WebsiteSettings::Show(gfx::NativeWindow parent,
Profile* profile,
TabContentsWrapper* tab_contents_wrapper,
const GURL& url,
const content::SSLStatus& ssl) {
#if defined(TOOLKIT_GTK)
// The WebsiteSettingsModel will delete itself after the UI is closed.
new WebsiteSettings(new WebsiteSettingsPopupGtk(parent,
profile,
tab_contents_wrapper),
profile,
tab_contents_wrapper->content_settings(),
url,
ssl,
content::CertStore::GetInstance());
#endif
}