PaymentRequest.canMakePayment() query quota on desktop.

components/payments/content/payment_request.cc

 // Copyright 2016 The Chromium 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 "components/payments/content/payment_request.h"
 
 #include <string>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
+#include "components/payments/content/can_make_payment_query_factory.h"
 #include "components/payments/content/origin_security_checker.h"
 #include "components/payments/content/payment_details_validation.h"
 #include "components/payments/content/payment_request_web_contents_manager.h"
+#include "components/payments/core/can_make_payment_query.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 
 namespace payments {
 
 PaymentRequest::PaymentRequest(
+    content::RenderFrameHost* render_frame_host,
     content::WebContents* web_contents,
     std::unique_ptr<PaymentRequestDelegate> delegate,
     PaymentRequestWebContentsManager* manager,
     mojo::InterfaceRequest<mojom::PaymentRequest> request,
     ObserverForTest* observer_for_testing)
     : web_contents_(web_contents),
       delegate_(std::move(delegate)),
       manager_(manager),
       binding_(this, std::move(request)),
+      iframe_origin_(
+          GURL(render_frame_host->GetLastCommittedURL()).GetOrigin()),
       observer_for_testing_(observer_for_testing),
       journey_logger_(delegate_->IsIncognito(),
                       web_contents_->GetLastCommittedURL(),
                       delegate_->GetUkmService()) {
   // OnConnectionTerminated will be called when the Mojo pipe is closed. This
   // will happen as a result of many renderer-side events (both successful and
   // erroneous in nature).
   // TODO(crbug.com/683636): Investigate using
   // set_connection_error_with_reason_handler with Binding::CloseWithReason.
   binding_.set_connection_error_handler(base::Bind(
@@ skipping 102 matching lines @@
   } else {
     journey_logger_.RecordJourneyStatsHistograms(
         JourneyLogger::COMPLETION_STATUS_COMPLETED);
     // When the renderer closes the connection,
     // PaymentRequest::OnConnectionTerminated will be called.
     client_->OnComplete();
   }
 }
 
 void PaymentRequest::CanMakePayment() {
-  // TODO(crbug.com/704676): Implement a quota policy for this method.
-  // PaymentRequest.canMakePayments() never returns false in incognito mode.
-  client_->OnCanMakePayment(
-      delegate_->IsIncognito() || state()->CanMakePayment()
-          ? mojom::CanMakePaymentQueryResult::CAN_MAKE_PAYMENT
-          : mojom::CanMakePaymentQueryResult::CANNOT_MAKE_PAYMENT);
-  journey_logger_.SetCanMakePaymentValue(delegate_->IsIncognito() ||
-                                         state()->CanMakePayment());
+  bool can_make_payment = state()->CanMakePayment();
+  if (delegate_->IsIncognito()) {
+    client_->OnCanMakePayment(
+        mojom::CanMakePaymentQueryResult::CAN_MAKE_PAYMENT);
+    journey_logger_.SetCanMakePaymentValue(true);
+  } else if (CanMakePaymentQueryFactory::GetInstance()
+                 ->GetForContext(web_contents_->GetBrowserContext())
+                 ->CanQuery(iframe_origin_,
+                            spec()->stringified_method_data())) {
+    client_->OnCanMakePayment(
+        can_make_payment
+            ? mojom::CanMakePaymentQueryResult::CAN_MAKE_PAYMENT
+            : mojom::CanMakePaymentQueryResult::CANNOT_MAKE_PAYMENT);
+    journey_logger_.SetCanMakePaymentValue(can_make_payment);
+  } else if (OriginSecurityChecker::IsOriginLocalhostOrFile(iframe_origin_)) {
+    client_->OnCanMakePayment(
+        can_make_payment
+            ? mojom::CanMakePaymentQueryResult::WARNING_CAN_MAKE_PAYMENT
+            : mojom::CanMakePaymentQueryResult::WARNING_CANNOT_MAKE_PAYMENT);
+    journey_logger_.SetCanMakePaymentValue(can_make_payment);
+  } else {
+    client_->OnCanMakePayment(
+        mojom::CanMakePaymentQueryResult::QUERY_QUOTA_EXCEEDED);
+  }
+
   if (observer_for_testing_)
     observer_for_testing_->OnCanMakePaymentCalled();
 }
 
 void PaymentRequest::OnPaymentResponseAvailable(
     mojom::PaymentResponsePtr response) {
   client_->OnPaymentResponse(std::move(response));
 }
 
 void PaymentRequest::OnShippingOptionIdSelected(
@@ skipping 34 matching lines @@
   binding_.Close();
   delegate_->CloseDialog();
   manager_->DestroyRequest(this);
 }
 
 void PaymentRequest::Pay() {
   state_->GeneratePaymentResponse();
 }
 
 }  // namespace payments