cef/libcef/browser/net_service/login_delegate.cc

174 lines
5.7 KiB
C++

// Copyright (c) 2019 The Chromium Embedded Framework 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 "libcef/browser/net_service/login_delegate.h"
#include "libcef/browser/browser_host_base.h"
#include "libcef/browser/net_service/browser_urlrequest_impl.h"
#include "libcef/browser/thread_util.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/sequenced_task_runner.h"
#include "content/public/browser/global_request_id.h"
#include "content/public/browser/web_contents.h"
namespace net_service {
namespace {
class AuthCallbackImpl : public CefAuthCallback {
public:
explicit AuthCallbackImpl(base::WeakPtr<LoginDelegate> delegate)
: delegate_(delegate),
task_runner_(base::SequencedTaskRunner::GetCurrentDefault()) {}
AuthCallbackImpl(const AuthCallbackImpl&) = delete;
AuthCallbackImpl& operator=(const AuthCallbackImpl&) = delete;
~AuthCallbackImpl() override {
if (delegate_.MaybeValid()) {
// If |delegate_| isn't valid this will be a no-op.
task_runner_->PostTask(FROM_HERE,
base::BindOnce(&LoginDelegate::Cancel, delegate_));
}
}
void Continue(const CefString& username, const CefString& password) override {
if (!task_runner_->RunsTasksInCurrentSequence()) {
task_runner_->PostTask(
FROM_HERE, base::BindOnce(&AuthCallbackImpl::Continue, this, username,
password));
return;
}
if (delegate_) {
delegate_->Continue(username, password);
delegate_ = nullptr;
}
}
void Cancel() override {
if (!task_runner_->RunsTasksInCurrentSequence()) {
task_runner_->PostTask(FROM_HERE,
base::BindOnce(&AuthCallbackImpl::Cancel, this));
return;
}
if (delegate_) {
delegate_->Cancel();
delegate_ = nullptr;
}
}
private:
base::WeakPtr<LoginDelegate> delegate_;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
IMPLEMENT_REFCOUNTING(AuthCallbackImpl);
};
void RunCallbackOnIOThread(
CefRefPtr<CefBrowserHostBase> browser,
absl::optional<CefBrowserURLRequest::RequestInfo> url_request_info,
const net::AuthChallengeInfo& auth_info,
const GURL& origin_url,
CefRefPtr<AuthCallbackImpl> callback_impl) {
CEF_REQUIRE_IOT();
// TODO(network): After the old network code path is deleted move this
// callback to the BrowserURLRequest's context thread.
if (url_request_info) {
bool handled = url_request_info->second->GetAuthCredentials(
auth_info.is_proxy, auth_info.challenger.host(),
auth_info.challenger.port(), auth_info.realm, auth_info.scheme,
callback_impl.get());
if (handled) {
// The user will execute the callback, or the request will be canceled on
// AuthCallbackImpl destruction.
return;
}
}
if (browser) {
CefRefPtr<CefClient> client = browser->GetClient();
if (client) {
CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
if (handler) {
bool handled = handler->GetAuthCredentials(
browser.get(), origin_url.spec(), auth_info.is_proxy,
auth_info.challenger.host(), auth_info.challenger.port(),
auth_info.realm, auth_info.scheme, callback_impl.get());
if (handled) {
// The user will execute the callback, or the request will be canceled
// on AuthCallbackImpl destruction.
return;
}
}
}
}
callback_impl->Cancel();
}
} // namespace
LoginDelegate::LoginDelegate(const net::AuthChallengeInfo& auth_info,
content::WebContents* web_contents,
const content::GlobalRequestID& request_id,
const GURL& origin_url,
LoginAuthRequiredCallback callback)
: callback_(std::move(callback)), weak_ptr_factory_(this) {
CEF_REQUIRE_UIT();
// May be nullptr for requests originating from CefURLRequest.
CefRefPtr<CefBrowserHostBase> browser;
if (web_contents) {
browser = CefBrowserHostBase::GetBrowserForContents(web_contents);
}
// |callback| needs to be executed asynchronously.
CEF_POST_TASK(CEF_UIT, base::BindOnce(&LoginDelegate::Start,
weak_ptr_factory_.GetWeakPtr(), browser,
auth_info, request_id, origin_url));
}
void LoginDelegate::Continue(const CefString& username,
const CefString& password) {
CEF_REQUIRE_UIT();
if (!callback_.is_null()) {
std::move(callback_).Run(
net::AuthCredentials(username.ToString16(), password.ToString16()));
}
}
void LoginDelegate::Cancel() {
CEF_REQUIRE_UIT();
if (!callback_.is_null()) {
std::move(callback_).Run(absl::nullopt);
}
}
void LoginDelegate::Start(CefRefPtr<CefBrowserHostBase> browser,
const net::AuthChallengeInfo& auth_info,
const content::GlobalRequestID& request_id,
const GURL& origin_url) {
CEF_REQUIRE_UIT();
auto url_request_info = CefBrowserURLRequest::FromRequestID(request_id);
if (browser || url_request_info) {
// AuthCallbackImpl is bound to the current thread.
CefRefPtr<AuthCallbackImpl> callbackImpl =
new AuthCallbackImpl(weak_ptr_factory_.GetWeakPtr());
// Execute callbacks on the IO thread to maintain the "old"
// network_delegate callback behaviour.
CEF_POST_TASK(CEF_IOT, base::BindOnce(&RunCallbackOnIOThread, browser,
url_request_info, auth_info,
origin_url, callbackImpl));
} else {
Cancel();
}
}
} // namespace net_service