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// Copyright 2016 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 <map>
#include <memory>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "base/strings/string16.h"
#include "base/values.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "components/prefs/pref_service.h"
#include "extensions/common/extension.h"
class HostContentSettingsMap;
class Profile;
namespace content {
class WebUI;
namespace extensions {
class ExtensionRegistry;
namespace permissions {
class ChooserContextBase;
namespace site_settings {
// Maps from a secondary pattern to a setting.
typedef std::map<ContentSettingsPattern, ContentSetting> OnePatternSettings;
// Maps from a primary pattern/source pair to a OnePatternSettings. All the
// mappings in OnePatternSettings share the given primary pattern and source.
typedef std::map<std::pair<ContentSettingsPattern, std::string>,
// TODO( Once the Site Settings WebUI is capable of
// displaying the new chooser exception object format, remove the typedefs that
// are currently used for organizing the chooser exceptions.
// Maps from a primary URL pattern/source pair to a set of secondary URL
// patterns/incognito status pair.
using ChooserExceptionDetails =
std::map<std::pair<GURL, std::string>, std::set<std::pair<GURL, bool>>>;
constexpr char kChooserType[] = "chooserType";
constexpr char kDisplayName[] = "displayName";
constexpr char kEmbeddingOrigin[] = "embeddingOrigin";
constexpr char kIncognito[] = "incognito";
constexpr char kObject[] = "object";
constexpr char kDisabled[] = "disabled";
constexpr char kOrigin[] = "origin";
constexpr char kOriginForFavicon[] = "originForFavicon";
constexpr char kRecentPermissions[] = "recentPermissions";
constexpr char kSetting[] = "setting";
constexpr char kSites[] = "sites";
constexpr char kPolicyIndicator[] = "indicator";
constexpr char kSource[] = "source";
constexpr char kType[] = "type";
constexpr char kIsEmbargoed[] = "isEmbargoed";
constexpr char kIsDiscarded[] = "isDiscarded";
enum class SiteSettingSource {
// Possible policy indicators that can be shown in settings.
// Must be kept in sync with the CrPolicyIndicatorType enum located in
// src/ui/webui/resources/cr_elements/policy/cr_policy_indicator_behavior.js
enum class PolicyIndicatorType {
// Represents the managed state for a single settings control.
struct ManagedState {
bool disabled = false;
PolicyIndicatorType indicator = PolicyIndicatorType::kNone;
// Returns whether a group name has been registered for the given type.
bool HasRegisteredGroupName(ContentSettingsType type);
// Converts a ContentSettingsType to/from its group name identifier.
ContentSettingsType ContentSettingsTypeFromGroupName(const std::string& name);
std::string ContentSettingsTypeToGroupName(ContentSettingsType type);
// Converts a ListValue of group names to a list of ContentSettingsTypes
std::vector<ContentSettingsType> ContentSettingsTypesFromGroupNames(
const base::Value::ConstListView types);
// Converts a SiteSettingSource to its string identifier.
std::string SiteSettingSourceToString(const SiteSettingSource source);
// Converts a ManagedState to a base::Value suitable for sending to JavaScript.
base::Value GetValueForManagedState(const ManagedState& state);
// Helper function to construct a dictionary for an exception.
std::unique_ptr<base::DictionaryValue> GetExceptionForPage(
const ContentSettingsPattern& pattern,
const ContentSettingsPattern& secondary_pattern,
const std::string& display_name,
const ContentSetting& setting,
const std::string& provider_name,
bool incognito,
bool is_embargoed = false,
bool is_discarded = false);
// Helper function to construct a dictionary for a hosted app exception.
void AddExceptionForHostedApp(const std::string& url_pattern,
const extensions::Extension& app,
base::ListValue* exceptions);
// Fills in |exceptions| with Values for the given |type| from |profile|.
void GetExceptionsForContentType(
ContentSettingsType type,
Profile* profile,
const extensions::ExtensionRegistry* extension_registry,
content::WebUI* web_ui,
bool incognito,
base::ListValue* exceptions);
// Fills in object saying what the current settings is for the category (such as
// enabled or blocked) and the source of that setting (such preference, policy,
// or extension).
void GetContentCategorySetting(const HostContentSettingsMap* map,
ContentSettingsType content_type,
base::DictionaryValue* object);
// Retrieves the current setting for a given origin, category pair, the source
// of that setting, and its display name, which will be different if it's an
// extension. Note this is similar to GetContentCategorySetting() above but this
// goes through the PermissionManager (preferred, see
ContentSetting GetContentSettingForOrigin(
Profile* profile,
const HostContentSettingsMap* map,
const GURL& origin,
ContentSettingsType content_type,
std::string* source_string,
const extensions::ExtensionRegistry* extension_registry,
std::string* display_name);
// Returns exceptions constructed from the policy-set allowed URLs
// for the content settings |type| mic or camera.
void GetPolicyAllowedUrls(
ContentSettingsType type,
std::vector<std::unique_ptr<base::DictionaryValue>>* exceptions,
const extensions::ExtensionRegistry* extension_registry,
content::WebUI* web_ui,
bool incognito);
// Returns all site permission exceptions for a given content type
std::vector<ContentSettingPatternSource> GetSiteExceptionsForContentType(
HostContentSettingsMap* map,
ContentSettingsType content_type);
// This struct facilitates lookup of a chooser context factory function by name
// for a given content settings type and is declared early so that it can used
// by functions below.
struct ChooserTypeNameEntry {
permissions::ChooserContextBase* (*get_context)(Profile*);
const char* name;
struct ContentSettingsTypeNameEntry {
ContentSettingsType type;
const char* name;
const ChooserTypeNameEntry* ChooserTypeFromGroupName(const std::string& name);
// Creates a chooser exception object for the object with |display_name|. The
// object contains the following properties
// * displayName: string,
// * object: Object,
// * chooserType: string,
// * sites: Array<SiteException>
// The structure of the SiteException objects is the same as the objects
// returned by GetExceptionForPage().
base::Value CreateChooserExceptionObject(
const base::string16& display_name,
const base::Value& object,
const std::string& chooser_type,
const ChooserExceptionDetails& chooser_exception_details);
// Returns an array of chooser exception objects.
base::Value GetChooserExceptionListFromProfile(
Profile* profile,
const ChooserTypeNameEntry& chooser_type);
// Concerts a PolicyIndicatorType to its string identifier.
std::string PolicyIndicatorTypeToString(const PolicyIndicatorType type);
// Returns the appropriate indicator for the source of a preference.
PolicyIndicatorType GetPolicyIndicatorFromPref(
const PrefService::Preference* pref);
} // namespace site_settings