electron/shell/browser/electron_crypto_module_delegate_nss.cc
Charles Kerr 5c92ea76e9
refactor: reduce code duplication in gin_helper::Promise (33-x-y) (#43778)
refactor: reduce code duplication in gin_helper::Promise (#43716)

* refactor: move scope scaffolding into SettletScope

idea stolen from SpellCheckScope

* refactor: move impl of PromiseBase::RejectPromise() to the cc file

* chore: remove unused #include

Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
2024-09-19 13:01:13 +02:00

74 lines
2.5 KiB
C++

// Copyright (c) 2024 Switchboard
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/electron_crypto_module_delegate_nss.h"
#include "content/public/browser/browser_thread.h"
#include "crypto/nss_crypto_module_delegate.h"
#include "shell/browser/api/electron_api_app.h"
#include "shell/browser/javascript_environment.h"
#include "shell/common/gin_converters/callback_converter.h"
#include "shell/common/gin_helper/callback.h"
#include "shell/common/gin_helper/dictionary.h"
#include "shell/common/v8_value_serializer.h"
ElectronNSSCryptoModuleDelegate::ElectronNSSCryptoModuleDelegate(
const net::HostPortPair& server)
: server_(server),
event_(base::WaitableEvent::ResetPolicy::AUTOMATIC,
base::WaitableEvent::InitialState::NOT_SIGNALED) {}
ElectronNSSCryptoModuleDelegate::~ElectronNSSCryptoModuleDelegate() = default;
std::string ElectronNSSCryptoModuleDelegate::RequestPassword(
const std::string& token_name,
bool retry,
bool* cancelled) {
DCHECK(!event_.IsSignaled());
event_.Reset();
if (content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(
&ElectronNSSCryptoModuleDelegate::RequestPasswordOnUIThread, this,
token_name, retry))) {
base::ScopedAllowBaseSyncPrimitivesForTesting allow_wait;
event_.Wait();
}
*cancelled = cancelled_;
return password_;
}
void ElectronNSSCryptoModuleDelegate::RequestPasswordOnUIThread(
const std::string& token_name,
bool retry) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
v8::Isolate* isolate = electron::JavascriptEnvironment::GetIsolate();
v8::HandleScope handle_scope(isolate);
gin::Handle<gin_helper::internal::Event> event =
gin_helper::internal::Event::New(isolate);
v8::Local<v8::Object> event_object = event.ToV8().As<v8::Object>();
gin_helper::Dictionary dict(isolate, event_object);
dict.Set("hostname", server_.host());
dict.Set("tokenName", token_name);
dict.Set("isRetry", retry);
electron::api::App::Get()->EmitWithoutEvent(
"-client-certificate-request-password", event_object,
base::BindOnce(&ElectronNSSCryptoModuleDelegate::OnPassword, this));
if (!event->GetDefaultPrevented()) {
password_ = "";
cancelled_ = true;
event_.Signal();
}
}
void ElectronNSSCryptoModuleDelegate::OnPassword(gin::Arguments* args) {
args->GetNext(&password_);
cancelled_ = password_.empty();
event_.Signal();
}