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electron_permission_manager.cc
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electron_permission_manager.cc
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// 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 "shell/browser/electron_permission_manager.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/values.h"
#include "content/browser/permissions/permission_util.h" // nogncheck
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/permission_controller.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"
#include "gin/data_object_builder.h"
#include "shell/browser/api/electron_api_web_contents.h"
#include "shell/browser/electron_browser_client.h"
#include "shell/browser/electron_browser_main_parts.h"
#include "shell/browser/web_contents_permission_helper.h"
#include "shell/browser/web_contents_preferences.h"
#include "shell/common/gin_converters/content_converter.h"
#include "shell/common/gin_converters/frame_converter.h"
#include "shell/common/gin_converters/value_converter.h"
#include "shell/common/gin_helper/event_emitter_caller.h"
#include "third_party/blink/public/common/permissions/permission_utils.h"
namespace electron {
namespace {
bool WebContentsDestroyed(content::RenderFrameHost* rfh) {
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(rfh);
if (!web_contents)
return true;
return web_contents->IsBeingDestroyed();
}
void PermissionRequestResponseCallbackWrapper(
ElectronPermissionManager::StatusCallback callback,
const std::vector<blink::mojom::PermissionStatus>& vector) {
std::move(callback).Run(vector[0]);
}
} // namespace
class ElectronPermissionManager::PendingRequest {
public:
PendingRequest(content::RenderFrameHost* render_frame_host,
const std::vector<blink::PermissionType>& permissions,
StatusesCallback callback)
: render_process_id_(render_frame_host->GetProcess()->GetID()),
render_frame_id_(render_frame_host->GetGlobalId()),
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 == blink::PermissionType::MIDI_SYSEX) {
content::ChildProcessSecurityPolicy::GetInstance()
->GrantSendMidiSysExMessage(render_process_id_);
} else if (permission == blink::PermissionType::GEOLOCATION) {
ElectronBrowserMainParts::Get()
->GetGeolocationControl()
->UserDidOptIntoLocationServices();
}
}
results_[permission_id] = status;
--remaining_results_;
}
content::RenderFrameHost* GetRenderFrameHost() {
return content::RenderFrameHost::FromID(render_frame_id_);
}
bool IsComplete() const { return remaining_results_ == 0; }
void RunCallback() {
if (!callback_.is_null()) {
std::move(callback_).Run(results_);
}
}
private:
int render_process_id_;
content::GlobalRenderFrameHostId render_frame_id_;
StatusesCallback callback_;
std::vector<blink::PermissionType> permissions_;
std::vector<blink::mojom::PermissionStatus> results_;
size_t remaining_results_;
};
ElectronPermissionManager::ElectronPermissionManager() = default;
ElectronPermissionManager::~ElectronPermissionManager() = default;
void ElectronPermissionManager::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->GetRenderFrameHost()))
request->RunCallback();
}
pending_requests_.Clear();
}
request_handler_ = handler;
}
void ElectronPermissionManager::SetPermissionCheckHandler(
const CheckHandler& handler) {
check_handler_ = handler;
}
void ElectronPermissionManager::SetDevicePermissionHandler(
const DeviceCheckHandler& handler) {
device_permission_handler_ = handler;
}
void ElectronPermissionManager::SetBluetoothPairingHandler(
const BluetoothPairingHandler& handler) {
bluetooth_pairing_handler_ = handler;
}
void ElectronPermissionManager::RequestPermission(
blink::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
StatusCallback response_callback) {
RequestPermissionWithDetails(permission, render_frame_host, requesting_origin,
user_gesture, {}, std::move(response_callback));
}
void ElectronPermissionManager::RequestPermissionWithDetails(
blink::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
base::Value::Dict details,
StatusCallback response_callback) {
RequestPermissionsWithDetails(
std::vector<blink::PermissionType>(1, permission), render_frame_host,
user_gesture, std::move(details),
base::BindOnce(PermissionRequestResponseCallbackWrapper,
std::move(response_callback)));
}
void ElectronPermissionManager::RequestPermissions(
const std::vector<blink::PermissionType>& permissions,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
bool user_gesture,
StatusesCallback response_callback) {
RequestPermissionsWithDetails(permissions, render_frame_host, user_gesture,
{}, std::move(response_callback));
}
void ElectronPermissionManager::RequestPermissionsWithDetails(
const std::vector<blink::PermissionType>& permissions,
content::RenderFrameHost* render_frame_host,
bool user_gesture,
base::Value::Dict details,
StatusesCallback response_callback) {
if (permissions.empty()) {
std::move(response_callback).Run({});
return;
}
if (request_handler_.is_null()) {
std::vector<blink::mojom::PermissionStatus> statuses;
for (auto permission : permissions) {
if (permission == blink::PermissionType::MIDI_SYSEX) {
content::ChildProcessSecurityPolicy::GetInstance()
->GrantSendMidiSysExMessage(
render_frame_host->GetProcess()->GetID());
} else if (permission == blink::PermissionType::GEOLOCATION) {
ElectronBrowserMainParts::Get()
->GetGeolocationControl()
->UserDidOptIntoLocationServices();
}
statuses.push_back(blink::mojom::PermissionStatus::GRANTED);
}
std::move(response_callback).Run(statuses);
return;
}
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(&ElectronPermissionManager::OnPermissionResponse,
base::Unretained(this), request_id, i);
details.Set("requestingUrl",
render_frame_host->GetLastCommittedURL().spec());
details.Set("isMainFrame", render_frame_host->GetParent() == nullptr);
request_handler_.Run(web_contents, permission, callback,
base::Value(std::move(details)));
}
}
void ElectronPermissionManager::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 ElectronPermissionManager::ResetPermission(
blink::PermissionType permission,
const GURL& requesting_origin,
const GURL& embedding_origin) {}
void ElectronPermissionManager::RequestPermissionsFromCurrentDocument(
const std::vector<blink::PermissionType>& permissions,
content::RenderFrameHost* render_frame_host,
bool user_gesture,
base::OnceCallback<void(const std::vector<blink::mojom::PermissionStatus>&)>
callback) {
RequestPermissionsWithDetails(permissions, render_frame_host, user_gesture,
{}, std::move(callback));
}
blink::mojom::PermissionStatus ElectronPermissionManager::GetPermissionStatus(
blink::PermissionType permission,
const GURL& requesting_origin,
const GURL& embedding_origin) {
base::Value::Dict details;
details.Set("embeddingOrigin", embedding_origin.spec());
bool granted = CheckPermissionWithDetails(permission, {}, requesting_origin,
std::move(details));
return granted ? blink::mojom::PermissionStatus::GRANTED
: blink::mojom::PermissionStatus::DENIED;
}
content::PermissionResult
ElectronPermissionManager::GetPermissionResultForOriginWithoutContext(
blink::PermissionType permission,
const url::Origin& origin) {
blink::mojom::PermissionStatus status =
GetPermissionStatus(permission, origin.GetURL(), origin.GetURL());
return content::PermissionResult(
status, content::PermissionStatusSource::UNSPECIFIED);
}
ElectronPermissionManager::SubscriptionId
ElectronPermissionManager::SubscribePermissionStatusChange(
blink::PermissionType permission,
content::RenderProcessHost* render_process_host,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
base::RepeatingCallback<void(blink::mojom::PermissionStatus)> callback) {
return SubscriptionId(-1);
}
void ElectronPermissionManager::UnsubscribePermissionStatusChange(
SubscriptionId id) {}
void ElectronPermissionManager::CheckBluetoothDevicePair(
gin_helper::Dictionary details,
PairCallback pair_callback) const {
if (bluetooth_pairing_handler_.is_null()) {
base::Value::Dict response;
response.Set("confirmed", false);
std::move(pair_callback).Run(std::move(response));
} else {
bluetooth_pairing_handler_.Run(details, std::move(pair_callback));
}
}
bool ElectronPermissionManager::CheckPermissionWithDetails(
blink::PermissionType permission,
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin,
base::Value::Dict details) const {
if (check_handler_.is_null()) {
return true;
}
auto* web_contents =
render_frame_host
? content::WebContents::FromRenderFrameHost(render_frame_host)
: nullptr;
if (render_frame_host) {
details.Set("requestingUrl",
render_frame_host->GetLastCommittedURL().spec());
}
details.Set("isMainFrame",
render_frame_host && render_frame_host->GetParent() == nullptr);
switch (permission) {
case blink::PermissionType::AUDIO_CAPTURE:
details.Set("mediaType", "audio");
break;
case blink::PermissionType::VIDEO_CAPTURE:
details.Set("mediaType", "video");
break;
default:
break;
}
return check_handler_.Run(web_contents, permission, requesting_origin,
base::Value(std::move(details)));
}
bool ElectronPermissionManager::CheckDevicePermission(
blink::PermissionType permission,
const url::Origin& origin,
const base::Value& device,
ElectronBrowserContext* browser_context) const {
if (device_permission_handler_.is_null()) {
return browser_context->CheckDevicePermission(origin, device, permission);
} else {
v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
v8::HandleScope scope(isolate);
v8::Local<v8::Object> details = gin::DataObjectBuilder(isolate)
.Set("deviceType", permission)
.Set("origin", origin.Serialize())
.Set("device", device.Clone())
.Build();
return device_permission_handler_.Run(details);
}
}
void ElectronPermissionManager::GrantDevicePermission(
blink::PermissionType permission,
const url::Origin& origin,
const base::Value& device,
ElectronBrowserContext* browser_context) const {
if (device_permission_handler_.is_null()) {
browser_context->GrantDevicePermission(origin, device, permission);
}
}
void ElectronPermissionManager::RevokeDevicePermission(
blink::PermissionType permission,
const url::Origin& origin,
const base::Value& device,
ElectronBrowserContext* browser_context) const {
browser_context->RevokeDevicePermission(origin, device, permission);
}
blink::mojom::PermissionStatus
ElectronPermissionManager::GetPermissionStatusForCurrentDocument(
blink::PermissionType permission,
content::RenderFrameHost* render_frame_host) {
base::Value::Dict details;
details.Set("embeddingOrigin",
content::PermissionUtil::GetLastCommittedOriginAsURL(
render_frame_host->GetMainFrame())
.spec());
bool granted = CheckPermissionWithDetails(
permission, render_frame_host,
render_frame_host->GetLastCommittedOrigin().GetURL(), std::move(details));
return granted ? blink::mojom::PermissionStatus::GRANTED
: blink::mojom::PermissionStatus::DENIED;
}
blink::mojom::PermissionStatus
ElectronPermissionManager::GetPermissionStatusForWorker(
blink::PermissionType permission,
content::RenderProcessHost* render_process_host,
const GURL& worker_origin) {
return GetPermissionStatus(permission, worker_origin, worker_origin);
}
} // namespace electron