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// Copyright (c) 2011 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 "components/content_settings/core/common/content_settings.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "base/logging.h"
#include "base/stl_util.h"
#include "build/build_config.h"
#include "components/content_settings/core/common/content_settings_utils.h"
namespace {
struct HistogramValue {
ContentSettingsType type;
int value;
};
// WARNING: The value specified here for a type should match exactly the value
// specified in the ContentType enum in enums.xml. Since these values are
// used for histograms, please do not reuse the same value for a different
// content setting. Always append to the end and increment.
//
// TODO(raymes): We should use a sparse histogram here on the hash of the
// content settings type name instead.
constexpr HistogramValue kHistogramValue[] = {
{CONTENT_SETTINGS_TYPE_COOKIES, 0},
{CONTENT_SETTINGS_TYPE_IMAGES, 1},
{CONTENT_SETTINGS_TYPE_JAVASCRIPT, 2},
{CONTENT_SETTINGS_TYPE_PLUGINS, 3},
{CONTENT_SETTINGS_TYPE_POPUPS, 4},
{CONTENT_SETTINGS_TYPE_GEOLOCATION, 5},
{CONTENT_SETTINGS_TYPE_NOTIFICATIONS, 6},
{CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE, 7},
{CONTENT_SETTINGS_TYPE_MIXEDSCRIPT, 10},
{CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC, 12},
{CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, 13},
{CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS, 14},
{CONTENT_SETTINGS_TYPE_PPAPI_BROKER, 15},
{CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS, 16},
{CONTENT_SETTINGS_TYPE_MIDI_SYSEX, 17},
{CONTENT_SETTINGS_TYPE_SSL_CERT_DECISIONS, 19},
{CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER, 21},
{CONTENT_SETTINGS_TYPE_APP_BANNER, 22},
{CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT, 23},
{CONTENT_SETTINGS_TYPE_DURABLE_STORAGE, 24},
{CONTENT_SETTINGS_TYPE_BLUETOOTH_GUARD, 26},
{CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC, 27},
{CONTENT_SETTINGS_TYPE_AUTOPLAY, 28},
{CONTENT_SETTINGS_TYPE_IMPORTANT_SITE_INFO, 30},
{CONTENT_SETTINGS_TYPE_PERMISSION_AUTOBLOCKER_DATA, 31},
{CONTENT_SETTINGS_TYPE_ADS, 32},
{CONTENT_SETTINGS_TYPE_ADS_DATA, 33},
{CONTENT_SETTINGS_TYPE_PASSWORD_PROTECTION, 34},
{CONTENT_SETTINGS_TYPE_MEDIA_ENGAGEMENT, 35},
{CONTENT_SETTINGS_TYPE_SOUND, 36},
{CONTENT_SETTINGS_TYPE_CLIENT_HINTS, 37},
{CONTENT_SETTINGS_TYPE_SENSORS, 38},
{CONTENT_SETTINGS_TYPE_ACCESSIBILITY_EVENTS, 39},
{CONTENT_SETTINGS_TYPE_CLIPBOARD_READ, 40},
{CONTENT_SETTINGS_TYPE_CLIPBOARD_WRITE, 41},
{CONTENT_SETTINGS_TYPE_PLUGINS_DATA, 42},
{CONTENT_SETTINGS_TYPE_PAYMENT_HANDLER, 43},
{CONTENT_SETTINGS_TYPE_USB_GUARD, 44},
{CONTENT_SETTINGS_TYPE_BACKGROUND_FETCH, 45},
{CONTENT_SETTINGS_TYPE_INTENT_PICKER_DISPLAY, 46},
{CONTENT_SETTINGS_TYPE_IDLE_DETECTION, 47},
{CONTENT_SETTINGS_TYPE_SERIAL_GUARD, 48},
{CONTENT_SETTINGS_TYPE_SERIAL_CHOOSER_DATA, 49},
{CONTENT_SETTINGS_TYPE_PERIODIC_BACKGROUND_SYNC, 50},
{CONTENT_SETTINGS_TYPE_BLUETOOTH_SCANNING, 51},
{CONTENT_SETTINGS_TYPE_HID_GUARD, 52},
{CONTENT_SETTINGS_TYPE_HID_CHOOSER_DATA, 53},
{CONTENT_SETTINGS_TYPE_WAKE_LOCK_SCREEN, 54},
{CONTENT_SETTINGS_TYPE_WAKE_LOCK_SYSTEM, 55},
{CONTENT_SETTINGS_TYPE_LEGACY_COOKIE_ACCESS, 56},
{CONTENT_SETTINGS_TYPE_NATIVE_FILE_SYSTEM_WRITE_GUARD, 57},
};
} // namespace
ContentSetting IntToContentSetting(int content_setting) {
return ((content_setting < 0) ||
(content_setting >= CONTENT_SETTING_NUM_SETTINGS))
? CONTENT_SETTING_DEFAULT
: static_cast<ContentSetting>(content_setting);
}
int ContentSettingTypeToHistogramValue(ContentSettingsType content_setting,
size_t* num_values) {
*num_values = base::size(kHistogramValue);
// Verify the array is sorted by enum type and contains all values.
DCHECK(std::is_sorted(std::begin(kHistogramValue), std::end(kHistogramValue),
[](const HistogramValue& a, const HistogramValue& b) {
return a.type < b.type;
}));
static_assert(kHistogramValue[base::size(kHistogramValue) - 1].type ==
CONTENT_SETTINGS_NUM_TYPES - 1,
"Update content settings histogram lookup");
const HistogramValue* found = std::lower_bound(
std::begin(kHistogramValue), std::end(kHistogramValue), content_setting,
[](const HistogramValue& a, ContentSettingsType b) {
return a.type < b;
});
if (found != std::end(kHistogramValue) && found->type == content_setting)
return found->value;
NOTREACHED();
return -1;
}
ContentSettingPatternSource::ContentSettingPatternSource(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
base::Value setting_value,
const std::string& source,
bool incognito)
: primary_pattern(primary_pattern),
secondary_pattern(secondary_pattern),
setting_value(std::move(setting_value)),
source(source),
incognito(incognito) {}
ContentSettingPatternSource::ContentSettingPatternSource() : incognito(false) {}
ContentSettingPatternSource::ContentSettingPatternSource(
const ContentSettingPatternSource& other) {
*this = other;
}
ContentSettingPatternSource& ContentSettingPatternSource::operator=(
const ContentSettingPatternSource& other) {
primary_pattern = other.primary_pattern;
secondary_pattern = other.secondary_pattern;
setting_value = other.setting_value.Clone();
source = other.source;
incognito = other.incognito;
return *this;
}
ContentSettingPatternSource::~ContentSettingPatternSource() {}
ContentSetting ContentSettingPatternSource::GetContentSetting() const {
return content_settings::ValueToContentSetting(&setting_value);
}
// static
bool RendererContentSettingRules::IsRendererContentSetting(
ContentSettingsType content_type) {
return content_type == CONTENT_SETTINGS_TYPE_IMAGES ||
content_type == CONTENT_SETTINGS_TYPE_JAVASCRIPT ||
content_type == CONTENT_SETTINGS_TYPE_AUTOPLAY ||
content_type == CONTENT_SETTINGS_TYPE_CLIENT_HINTS ||
content_type == CONTENT_SETTINGS_TYPE_POPUPS;
}
RendererContentSettingRules::RendererContentSettingRules() {}
RendererContentSettingRules::~RendererContentSettingRules() {}
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