electron/atom/browser/atom_permission_manager.cc

260 lines
9 KiB
C++

// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/atom_permission_manager.h"
#include <memory>
#include <vector>
#include "atom/browser/atom_browser_client.h"
#include "atom/browser/atom_browser_main_parts.h"
#include "atom/browser/web_contents_preferences.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/permission_type.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
namespace atom {
namespace {
bool WebContentsDestroyed(int process_id) {
content::WebContents* web_contents =
static_cast<AtomBrowserClient*>(AtomBrowserClient::Get())
->GetWebContentsFromProcessID(process_id);
if (!web_contents)
return true;
return web_contents->IsBeingDestroyed();
}
void PermissionRequestResponseCallbackWrapper(
AtomPermissionManager::StatusCallback callback,
const std::vector<blink::mojom::PermissionStatus>& vector) {
std::move(callback).Run(vector[0]);
}
} // namespace
class AtomPermissionManager::PendingRequest {
public:
PendingRequest(content::RenderFrameHost* render_frame_host,
const std::vector<content::PermissionType>& permissions,
StatusesCallback callback)
: render_process_id_(render_frame_host->GetProcess()->GetID()),
callback_(std::move(callback)),
permissions_(permissions),
results_(permissions.size(), blink::mojom::PermissionStatus::DENIED),
remaining_results_(permissions.size()) {}
void SetPermissionStatus(int permission_id,
blink::mojom::PermissionStatus status) {
DCHECK(!IsComplete());
if (status == blink::mojom::PermissionStatus::GRANTED) {
const auto permission = permissions_[permission_id];
if (permission == content::PermissionType::MIDI_SYSEX) {
content::ChildProcessSecurityPolicy::GetInstance()
->GrantSendMidiSysExMessage(render_process_id_);
} else if (permission == content::PermissionType::GEOLOCATION) {
AtomBrowserMainParts::Get()
->GetGeolocationControl()
->UserDidOptIntoLocationServices();
}
}
results_[permission_id] = status;
--remaining_results_;
}
int render_process_id() const { return render_process_id_; }
bool IsComplete() const { return remaining_results_ == 0; }
void RunCallback() {
if (!callback_.is_null()) {
std::move(callback_).Run(results_);
}
}
private:
int render_process_id_;
StatusesCallback callback_;
std::vector<content::PermissionType> permissions_;
std::vector<blink::mojom::PermissionStatus> results_;
size_t remaining_results_;
};
AtomPermissionManager::AtomPermissionManager() {}
AtomPermissionManager::~AtomPermissionManager() {}
void AtomPermissionManager::SetPermissionRequestHandler(
const RequestHandler& handler) {
if (handler.is_null() && !pending_requests_.IsEmpty()) {
for (PendingRequestsMap::iterator iter(&pending_requests_); !iter.IsAtEnd();
iter.Advance()) {
auto* request = iter.GetCurrentValue();
if (!WebContentsDestroyed(request->render_process_id()))
request->RunCallback();
}
pending_requests_.Clear();
}
request_handler_ = handler;
}
void AtomPermissionManager::SetPermissionCheckHandler(
const CheckHandler& handler) {
check_handler_ = handler;
}
int AtomPermissionManager::RequestPermission(
content::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
StatusCallback response_callback) {
return RequestPermissionWithDetails(permission, render_frame_host,
requesting_origin, user_gesture, nullptr,
std::move(response_callback));
}
int AtomPermissionManager::RequestPermissionWithDetails(
content::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
const base::DictionaryValue* details,
StatusCallback response_callback) {
return RequestPermissionsWithDetails(
std::vector<content::PermissionType>(1, permission), render_frame_host,
requesting_origin, user_gesture, details,
base::BindOnce(PermissionRequestResponseCallbackWrapper,
std::move(response_callback)));
}
int AtomPermissionManager::RequestPermissions(
const std::vector<content::PermissionType>& permissions,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
StatusesCallback response_callback) {
return RequestPermissionsWithDetails(permissions, render_frame_host,
requesting_origin, user_gesture, nullptr,
std::move(response_callback));
}
int AtomPermissionManager::RequestPermissionsWithDetails(
const std::vector<content::PermissionType>& permissions,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
const base::DictionaryValue* details,
StatusesCallback response_callback) {
if (permissions.empty()) {
std::move(response_callback).Run({});
return content::PermissionController::kNoPendingOperation;
}
if (request_handler_.is_null()) {
std::vector<blink::mojom::PermissionStatus> statuses;
for (auto permission : permissions) {
if (permission == content::PermissionType::MIDI_SYSEX) {
content::ChildProcessSecurityPolicy::GetInstance()
->GrantSendMidiSysExMessage(
render_frame_host->GetProcess()->GetID());
} else if (permission == content::PermissionType::GEOLOCATION) {
AtomBrowserMainParts::Get()
->GetGeolocationControl()
->UserDidOptIntoLocationServices();
}
statuses.push_back(blink::mojom::PermissionStatus::GRANTED);
}
std::move(response_callback).Run(statuses);
return content::PermissionController::kNoPendingOperation;
}
auto* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
int request_id = pending_requests_.Add(std::make_unique<PendingRequest>(
render_frame_host, permissions, std::move(response_callback)));
for (size_t i = 0; i < permissions.size(); ++i) {
auto permission = permissions[i];
const auto callback =
base::BindRepeating(&AtomPermissionManager::OnPermissionResponse,
base::Unretained(this), request_id, i);
if (details == nullptr) {
request_handler_.Run(web_contents, permission, callback,
base::DictionaryValue());
} else {
request_handler_.Run(web_contents, permission, callback, *details);
}
}
return request_id;
}
void AtomPermissionManager::OnPermissionResponse(
int request_id,
int permission_id,
blink::mojom::PermissionStatus status) {
auto* pending_request = pending_requests_.Lookup(request_id);
if (!pending_request)
return;
pending_request->SetPermissionStatus(permission_id, status);
if (pending_request->IsComplete()) {
pending_request->RunCallback();
pending_requests_.Remove(request_id);
}
}
void AtomPermissionManager::ResetPermission(content::PermissionType permission,
const GURL& requesting_origin,
const GURL& embedding_origin) {}
blink::mojom::PermissionStatus AtomPermissionManager::GetPermissionStatus(
content::PermissionType permission,
const GURL& requesting_origin,
const GURL& embedding_origin) {
return blink::mojom::PermissionStatus::GRANTED;
}
int AtomPermissionManager::SubscribePermissionStatusChange(
content::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
base::RepeatingCallback<void(blink::mojom::PermissionStatus)> callback) {
return -1;
}
void AtomPermissionManager::UnsubscribePermissionStatusChange(
int subscription_id) {}
bool AtomPermissionManager::CheckPermissionWithDetails(
content::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
const base::DictionaryValue* details) const {
if (check_handler_.is_null()) {
return true;
}
auto* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
return check_handler_.Run(web_contents, permission, requesting_origin,
*details);
}
blink::mojom::PermissionStatus
AtomPermissionManager::GetPermissionStatusForFrame(
content::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin) {
return blink::mojom::PermissionStatus::GRANTED;
}
} // namespace atom