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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/browsing_data/content/browsing_data_helper.h"
#include <vector>
#include "base/containers/contains.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "components/content_settings/core/browser/content_settings_registry.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/no_state_prefetch/browser/no_state_prefetch_manager.h"
#include "components/prefs/pref_service.h"
#include "components/site_isolation/pref_names.h"
#include "content/public/browser/browsing_data_filter_builder.h"
#include "content/public/browser/browsing_data_remover.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "url/gurl.h"
#include "url/url_util.h"
namespace browsing_data {
namespace {
bool WebsiteSettingsFilterAdapter(
const base::RepeatingCallback<bool(const GURL&)> predicate,
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern) {
// Ignore the default setting.
if (primary_pattern == ContentSettingsPattern::Wildcard())
return false;
// Website settings only use origin-scoped patterns. The only content setting
// this filter is used for is DURABLE_STORAGE, which also only uses
// origin-scoped patterns. Such patterns can be directly translated to a GURL.
GURL url(primary_pattern.ToString());
DCHECK(url.is_valid()) << "url: '" << url.possibly_invalid_spec() << "' "
<< "pattern: '" << primary_pattern.ToString() << "'";
return predicate.Run(url);
}
// Callback for when cookies have been deleted. Invokes |done|.
// Receiving |cookie_manager| as a parameter so that the receive pipe is
// not deleted before the response is received.
void OnClearedCookies(
base::OnceClosure done,
mojo::Remote<network::mojom::CookieManager> cookie_manager,
uint32_t num_deleted) {
std::move(done).Run();
}
bool IsSameHost(const std::string& host, const std::string& top_frame_host) {
return host == top_frame_host;
}
} // namespace
bool IsWebScheme(const std::string& scheme) {
const std::vector<std::string>& schemes = url::GetWebStorageSchemes();
return base::Contains(schemes, scheme);
}
bool HasWebScheme(const GURL& origin) {
return IsWebScheme(origin.scheme());
}
HostContentSettingsMap::PatternSourcePredicate CreateWebsiteSettingsFilter(
content::BrowsingDataFilterBuilder* filter_builder) {
return filter_builder->MatchesAllOriginsAndDomains()
? HostContentSettingsMap::PatternSourcePredicate()
: base::BindRepeating(&WebsiteSettingsFilterAdapter,
filter_builder->BuildUrlFilter());
}
void RemovePrerenderCacheData(
prerender::NoStatePrefetchManager* no_state_prefetch_manager) {
// The NoStatePrefetchManager may have a page actively being prerendered,
// which is essentially a preemptively cached page.
if (no_state_prefetch_manager) {
no_state_prefetch_manager->ClearData(
prerender::NoStatePrefetchManager::CLEAR_PRERENDER_CONTENTS);
}
}
void RemoveSiteIsolationData(PrefService* prefs) {
prefs->ClearPref(site_isolation::prefs::kUserTriggeredIsolatedOrigins);
prefs->ClearPref(site_isolation::prefs::kWebTriggeredIsolatedOrigins);
// Note that this does not clear these sites from the in-memory map in
// ChildProcessSecurityPolicy, since that is not supported at runtime. That
// list of isolated sites is not directly exposed to users, though, and
// will be cleared on next restart.
}
void RemoveEmbedderCookieData(
const base::Time& delete_begin,
const base::Time& delete_end,
content::BrowsingDataFilterBuilder* filter_builder,
HostContentSettingsMap* host_content_settings_map,
network::mojom::NetworkContext* safe_browsing_context,
base::OnceCallback<base::OnceCallback<void()>()> callback_factory) {
auto website_settings_filter = CreateWebsiteSettingsFilter(filter_builder);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::CLIENT_HINTS, base::Time(), base::Time::Max(),
website_settings_filter);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::REDUCED_ACCEPT_LANGUAGE, base::Time(),
base::Time::Max(), website_settings_filter);
// Clear the safebrowsing cookies only if time period is for "all time". It
// doesn't make sense to apply the time period of deleting in the last X
// hours/days to the safebrowsing cookies since they aren't the result of
// any user action.
if (delete_begin == base::Time() && delete_end == base::Time::Max() &&
safe_browsing_context) {
mojo::Remote<network::mojom::CookieManager> cookie_manager;
safe_browsing_context->GetCookieManager(
cookie_manager.BindNewPipeAndPassReceiver());
network::mojom::CookieManager* manager_ptr = cookie_manager.get();
network::mojom::CookieDeletionFilterPtr deletion_filter =
filter_builder->BuildCookieDeletionFilter();
if (!delete_begin.is_null())
deletion_filter->created_after_time = delete_begin;
if (!delete_end.is_null())
deletion_filter->created_before_time = delete_end;
manager_ptr->DeleteCookies(
std::move(deletion_filter),
base::BindOnce(&OnClearedCookies, std::move(callback_factory).Run(),
std::move(cookie_manager)));
}
}
void RemoveSiteSettingsData(const base::Time& delete_begin,
const base::Time& delete_end,
HostContentSettingsMap* host_content_settings_map) {
const auto* registry =
content_settings::ContentSettingsRegistry::GetInstance();
for (const content_settings::ContentSettingsInfo* info : *registry) {
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
info->website_settings_info()->type(), delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
}
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::USB_CHOOSER_DATA, delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::BLUETOOTH_CHOOSER_DATA, delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
RemoveFederatedSiteSettingsData(
delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate(),
host_content_settings_map);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::SERIAL_CHOOSER_DATA, delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
#if !BUILDFLAG(IS_ANDROID)
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::HID_CHOOSER_DATA, delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::INITIALIZED_TRANSLATIONS, delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FILE_SYSTEM_ACCESS_CHOOSER_DATA, delete_begin,
delete_end, HostContentSettingsMap::PatternSourcePredicate());
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FILE_SYSTEM_ACCESS_EXTENDED_PERMISSION, delete_begin,
delete_end, HostContentSettingsMap::PatternSourcePredicate());
#endif
#if BUILDFLAG(IS_CHROMEOS)
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::SMART_CARD_DATA, delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
#endif
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::ON_DEVICE_SPEECH_RECOGNITION_LANGUAGES_DOWNLOADED,
delete_begin, delete_end,
HostContentSettingsMap::PatternSourcePredicate());
}
void RemoveFederatedSiteSettingsData(
const base::Time& delete_begin,
const base::Time& delete_end,
HostContentSettingsMap::PatternSourcePredicate pattern_predicate,
HostContentSettingsMap* host_content_settings_map) {
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FEDERATED_IDENTITY_API, delete_begin, delete_end,
pattern_predicate);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FEDERATED_IDENTITY_IDENTITY_PROVIDER_SIGNIN_STATUS,
delete_begin, delete_end, pattern_predicate);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FEDERATED_IDENTITY_SHARING, delete_begin, delete_end,
pattern_predicate);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FEDERATED_IDENTITY_AUTO_REAUTHN_PERMISSION,
delete_begin, delete_end, pattern_predicate);
host_content_settings_map->ClearSettingsForOneTypeWithPredicate(
ContentSettingsType::FEDERATED_IDENTITY_IDENTITY_PROVIDER_REGISTRATION,
delete_begin, delete_end, pattern_predicate);
}
int GetUniqueHostCount(const BrowsingDataModel& browsing_data_model) {
std::set<BrowsingDataModel::DataOwner> unique_hosts;
for (auto entry : browsing_data_model) {
unique_hosts.insert(*entry.data_owner);
}
return unique_hosts.size();
}
int GetUniqueThirdPartyCookiesHostCount(
const GURL& top_frame_url,
const BrowsingDataModel& browsing_data_model) {
std::string top_frame_domain =
net::registry_controlled_domains::GetDomainAndRegistry(
top_frame_url,
net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
std::set<BrowsingDataModel::DataOwner> unique_hosts;
for (auto entry : browsing_data_model) {
std::string host = BrowsingDataModel::GetHost(entry.data_owner.get());
if (entry.data_details->blocked_third_party ||
(top_frame_domain.empty() && !IsSameHost(host, top_frame_url.host())) ||
(!top_frame_domain.empty() && !url::DomainIs(host, top_frame_domain))) {
for (auto storage_type : entry.data_details->storage_types) {
if (browsing_data_model.IsBlockedByThirdPartyCookieBlocking(
entry.data_key.get(), storage_type)) {
unique_hosts.insert(*entry.data_owner);
break;
}
}
}
}
return unique_hosts.size();
}
} // namespace browsing_data
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