// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/webauth/authenticator_impl.h"

#include <memory>
#include <utility>

#include "content/browser/webauth/authenticator_common_impl.h"
#include "content/public/browser/document_service.h"
#include "content/public/browser/render_frame_host.h"

namespace content {

void AuthenticatorImpl::Create(
    RenderFrameHost* render_frame_host,
    mojo::PendingReceiver<blink::mojom::Authenticator> receiver) {
  CHECK(render_frame_host);
  // Avoid creating the service if the RenderFrameHost isn't active, e.g. if a
  // request arrives during a navigation.
  if (!render_frame_host->IsActive()) {
    return;
  }
  // AuthenticatorImpl owns itself. It self-destructs when the RenderFrameHost
  // navigates or is deleted. See DocumentService for details.
  new AuthenticatorImpl(
      *render_frame_host, std::move(receiver),
      std::make_unique<AuthenticatorCommonImpl>(
          render_frame_host,
          AuthenticatorCommonImpl::ServingRequestsFor::kWebContents));
}

void AuthenticatorImpl::CreateForTesting(
    RenderFrameHost& render_frame_host,
    mojo::PendingReceiver<blink::mojom::Authenticator> receiver,
    std::unique_ptr<AuthenticatorCommonImpl> authenticator_common_impl) {
  new AuthenticatorImpl(render_frame_host, std::move(receiver),
                        std::move(authenticator_common_impl));
}

// static
blink::mojom::GetCredentialResponsePtr AuthenticatorImpl::MakeGetAssertionResponse(
    blink::mojom::AuthenticatorStatus status,
    blink::mojom::GetAssertionAuthenticatorResponsePtr assertion,
    blink::mojom::WebAuthnDOMExceptionDetailsPtr dom_exception_details) {
  blink::mojom::GetAssertionResponsePtr assertion_response =
      blink::mojom::GetAssertionResponse::New(
          status, std::move(assertion), std::move(dom_exception_details));
  return blink::mojom::GetCredentialResponse::NewGetAssertionResponse(
      std::move(assertion_response));
}

AuthenticatorImpl::AuthenticatorImpl(
    RenderFrameHost& render_frame_host,
    mojo::PendingReceiver<blink::mojom::Authenticator> receiver,
    std::unique_ptr<AuthenticatorCommonImpl> authenticator_common_impl)
    : DocumentService(render_frame_host, std::move(receiver)),
      authenticator_common_impl_(std::move(authenticator_common_impl)) {
  authenticator_common_impl_->EnableRequestProxyExtensionsAPISupport();
  DCHECK(authenticator_common_impl_);
}

AuthenticatorImpl::~AuthenticatorImpl() = default;

// mojom::Authenticator
void AuthenticatorImpl::MakeCredential(
    blink::mojom::PublicKeyCredentialCreationOptionsPtr options,
    MakeCredentialCallback callback) {
  authenticator_common_impl_->MakeCredential(origin(), std::move(options),
                                             std::move(callback));
}

// mojom::Authenticator
void AuthenticatorImpl::GetCredential(
    blink::mojom::GetCredentialOptionsPtr options,
    GetCredentialCallback callback) {
  if (!options->public_key) {
    std::move(callback).Run(MakeGetAssertionResponse(
        blink::mojom::AuthenticatorStatus::NOT_IMPLEMENTED, nullptr, nullptr));
    return;
  }
  authenticator_common_impl_->GetCredential(origin(), std::move(options),
                                            /*payment=*/nullptr,
                                            std::move(callback));
}

// mojom::Authenticator
void AuthenticatorImpl::Report(
    blink::mojom::PublicKeyCredentialReportOptionsPtr options,
    ReportCallback callback) {
  authenticator_common_impl_->Report(origin(), std::move(options),
                                     std::move(callback));
}

// mojom::Authenticator
void AuthenticatorImpl::GetClientCapabilities(
    GetClientCapabilitiesCallback callback) {
  authenticator_common_impl_->GetClientCapabilities(origin(),
                                                    std::move(callback));
}

void AuthenticatorImpl::IsUserVerifyingPlatformAuthenticatorAvailable(
    IsUserVerifyingPlatformAuthenticatorAvailableCallback callback) {
  authenticator_common_impl_->IsUserVerifyingPlatformAuthenticatorAvailable(
      origin(), std::move(callback));
}

void AuthenticatorImpl::IsConditionalMediationAvailable(
    IsConditionalMediationAvailableCallback callback) {
  authenticator_common_impl_->IsConditionalMediationAvailable(
      origin(), std::move(callback));
}

void AuthenticatorImpl::Cancel() {
  authenticator_common_impl_->Cancel();
}

}  // namespace content