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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_PERMISSIONS_PERMISSION_CONTROLLER_IMPL_H_
#define CONTENT_BROWSER_PERMISSIONS_PERMISSION_CONTROLLER_IMPL_H_
#include <map>
#include <set>
#include "base/containers/id_map.h"
#include "base/memory/raw_ptr.h"
#include "content/common/content_export.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/permission_overrides.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace blink {
enum class PermissionType;
}
namespace content {
class BrowserContext;
class PermissionControllerImplTest;
class RenderProcessHost;
class PermissionServiceImpl;
struct PermissionResult;
using blink::PermissionType;
// Implementation of the PermissionController interface. This
// is used by content/ layer to manage permissions.
// There is one instance of this class per BrowserContext.
class CONTENT_EXPORT PermissionControllerImpl : public PermissionController {
public:
explicit PermissionControllerImpl(BrowserContext* browser_context);
PermissionControllerImpl(const PermissionControllerImpl&) = delete;
PermissionControllerImpl& operator=(const PermissionControllerImpl&) = delete;
~PermissionControllerImpl() override;
static PermissionControllerImpl* FromBrowserContext(
BrowserContext* browser_context);
enum class OverrideStatus { kOverrideNotSet, kOverrideSet };
// For the given |origin|, grant permissions in |overrides| and reject all
// others. If no |origin| is specified, grant permissions to all origins in
// the browser context.
OverrideStatus GrantOverridesForDevTools(
const absl::optional<url::Origin>& origin,
const std::vector<PermissionType>& permissions);
OverrideStatus SetOverrideForDevTools(
const absl::optional<url::Origin>& origin,
PermissionType permission,
const blink::mojom::PermissionStatus& status);
void ResetOverridesForDevTools();
// Sets status for |permissions| to GRANTED in |origin|, and DENIED
// for all others.
// Null |origin| grants permissions globally for context.
OverrideStatus GrantPermissionOverrides(
const absl::optional<url::Origin>& origin,
const std::vector<PermissionType>& permissions);
OverrideStatus SetPermissionOverride(
const absl::optional<url::Origin>& origin,
PermissionType permission,
const blink::mojom::PermissionStatus& status);
void ResetPermissionOverrides();
void ResetPermission(PermissionType permission,
const GURL& requesting_origin,
const GURL& embedding_origin);
// Only one of |render_process_host| and |render_frame_host| should be set,
// or neither. RenderProcessHost will be inferred from |render_frame_host|.
SubscriptionId SubscribePermissionStatusChange(
PermissionType permission,
RenderProcessHost* render_process_host,
RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
const base::RepeatingCallback<void(blink::mojom::PermissionStatus)>&
callback);
SubscriptionId SubscribePermissionStatusChange(
PermissionType permission,
RenderProcessHost* render_process_host,
const url::Origin& requesting_origin,
const base::RepeatingCallback<void(blink::mojom::PermissionStatus)>&
callback) override;
void UnsubscribePermissionStatusChange(
SubscriptionId subscription_id) override;
void add_notify_listener_observer_for_tests(base::RepeatingClosure callback) {
onchange_listeners_callback_for_tests_ = std::move(callback);
}
private:
friend class PermissionControllerImplTest;
friend class PermissionServiceImpl;
blink::mojom::PermissionStatus GetPermissionStatusInternal(
PermissionType permission,
const GURL& requesting_origin,
const GURL& embedding_origin);
// PermissionController implementation.
blink::mojom::PermissionStatus GetPermissionStatusForWorker(
PermissionType permission,
RenderProcessHost* render_process_host,
const url::Origin& worker_origin) override;
blink::mojom::PermissionStatus GetPermissionStatusForCurrentDocument(
PermissionType permission,
RenderFrameHost* render_frame_host) override;
PermissionResult GetPermissionResultForCurrentDocument(
PermissionType permission,
RenderFrameHost* render_frame_host) override;
PermissionResult GetPermissionResultForOriginWithoutContext(
PermissionType permission,
const url::Origin& origin) override;
blink::mojom::PermissionStatus GetPermissionStatusForOriginWithoutContext(
blink::PermissionType permission,
const url::Origin& requesting_origin,
const url::Origin& embedding_origin) override;
// WARNING: Permission requests order is not guaranteed.
// TODO(crbug.com/1363094): Migrate to `std::set`.
void RequestPermissions(
const std::vector<blink::PermissionType>& permissions,
RenderFrameHost* render_frame_host,
const url::Origin& requested_origin,
bool user_gesture,
base::OnceCallback<
void(const std::vector<blink::mojom::PermissionStatus>&)> callback);
void RequestPermissionFromCurrentDocument(
PermissionType permission,
RenderFrameHost* render_frame_host,
bool user_gesture,
base::OnceCallback<void(blink::mojom::PermissionStatus)> callback)
override;
// WARNING: Permission requests order is not guaranteed.
// TODO(crbug.com/1363094): Migrate to `std::set`.
void RequestPermissionsFromCurrentDocument(
const std::vector<PermissionType>& permissions,
RenderFrameHost* render_frame_host,
bool user_gesture,
base::OnceCallback<
void(const std::vector<blink::mojom::PermissionStatus>&)> callback)
override;
void ResetPermission(blink::PermissionType permission,
const url::Origin& origin) override;
blink::mojom::PermissionStatus GetPermissionStatusForEmbeddedRequester(
blink::PermissionType permission,
RenderFrameHost* render_frame_host,
const url::Origin& requesting_origin);
struct Subscription;
using SubscriptionsMap =
base::IDMap<std::unique_ptr<Subscription>, SubscriptionId>;
using SubscriptionsStatusMap =
base::flat_map<SubscriptionsMap::KeyType, blink::mojom::PermissionStatus>;
blink::mojom::PermissionStatus GetSubscriptionCurrentValue(
const Subscription& subscription);
SubscriptionsStatusMap GetSubscriptionsStatuses(
const absl::optional<GURL>& origin = absl::nullopt);
void NotifyChangedSubscriptions(const SubscriptionsStatusMap& old_statuses);
void OnDelegatePermissionStatusChange(SubscriptionId subscription_id,
blink::mojom::PermissionStatus status);
bool IsSubscribedToPermissionChangeEvent(
blink::PermissionType permission,
RenderFrameHost* render_frame_host) override;
// Notifies that an onchange event listener was added.
void NotifyEventListener();
PermissionOverrides permission_overrides_;
absl::optional<base::RepeatingClosure> onchange_listeners_callback_for_tests_;
// Note that SubscriptionId is distinct from
// PermissionControllerDelegate::SubscriptionId, and the concrete ID values
// may be different as well.
SubscriptionsMap subscriptions_;
SubscriptionId::Generator subscription_id_generator_;
raw_ptr<BrowserContext, DanglingAcrossTasks> browser_context_;
};
} // namespace content
#endif // CONTENT_BROWSER_PERMISSIONS_PERMISSION_CONTROLLER_IMPL_H_