1 files changed, 121 insertions, 0 deletions
diff --git a/dom/payments/BasicCardPayment.cpp b/dom/payments/BasicCardPayment.cpp
new file mode 100644
index 0000000000..403260cd91
--- /dev/null
+++ b/dom/payments/BasicCardPayment.cpp
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "BasicCardPayment.h"
+#include "PaymentAddress.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "mozilla/ErrorResult.h"
+#include "nsArrayUtils.h"
+
+namespace mozilla::dom {
+namespace {
+bool IsValidNetwork(const nsAString& aNetwork) {
+  return aNetwork.Equals(u"amex"_ns) || aNetwork.Equals(u"cartebancaire"_ns) ||
+         aNetwork.Equals(u"diners"_ns) || aNetwork.Equals(u"discover"_ns) ||
+         aNetwork.Equals(u"jcb"_ns) || aNetwork.Equals(u"mastercard"_ns) ||
+         aNetwork.Equals(u"mir"_ns) || aNetwork.Equals(u"unionpay"_ns) ||
+         aNetwork.Equals(u"visa"_ns);
+}
+}  // end of namespace
+
+StaticRefPtr<BasicCardService> gBasicCardService;
+
+already_AddRefed<BasicCardService> BasicCardService::GetService() {
+  if (!gBasicCardService) {
+    gBasicCardService = new BasicCardService();
+    ClearOnShutdown(&gBasicCardService);
+  }
+  RefPtr<BasicCardService> service = gBasicCardService;
+  return service.forget();
+}
+
+bool BasicCardService::IsBasicCardPayment(const nsAString& aSupportedMethods) {
+  return aSupportedMethods.Equals(u"basic-card"_ns);
+}
+
+bool BasicCardService::IsValidBasicCardRequest(JSContext* aCx, JSObject* aData,
+                                               nsAString& aErrorMsg) {
+  if (!aData) {
+    return true;
+  }
+  JS::Rooted<JS::Value> data(aCx, JS::ObjectValue(*aData));
+
+  BasicCardRequest request;
+  if (!request.Init(aCx, data)) {
+    aErrorMsg.AssignLiteral(
+        "Fail to convert methodData.data to BasicCardRequest.");
+    return false;
+  }
+
+  for (const nsString& network : request.mSupportedNetworks) {
+    if (!IsValidNetwork(network)) {
+      aErrorMsg.Assign(network + u" is not an valid network."_ns);
+      return false;
+    }
+  }
+  return true;
+}
+
+bool BasicCardService::IsValidExpiryMonth(const nsAString& aExpiryMonth) {
+  // ExpiryMonth can only be
+  //   1. empty string
+  //   2. 01 ~ 12
+  if (aExpiryMonth.IsEmpty()) {
+    return true;
+  }
+  if (aExpiryMonth.Length() != 2) {
+    return false;
+  }
+  // can only be 00 ~ 09
+  if (aExpiryMonth.CharAt(0) == '0') {
+    if (aExpiryMonth.CharAt(1) < '0' || aExpiryMonth.CharAt(1) > '9') {
+      return false;
+    }
+    return true;
+  }
+  // can only be 11 or 12
+  if (aExpiryMonth.CharAt(0) == '1') {
+    if (aExpiryMonth.CharAt(1) != '1' && aExpiryMonth.CharAt(1) != '2') {
+      return false;
+    }
+    return true;
+  }
+  return false;
+}
+
+bool BasicCardService::IsValidExpiryYear(const nsAString& aExpiryYear) {
+  // ExpiryYear can only be
+  //   1. empty string
+  //   2. 0000 ~ 9999
+  if (!aExpiryYear.IsEmpty()) {
+    if (aExpiryYear.Length() != 4) {
+      return false;
+    }
+    for (uint32_t index = 0; index < 4; ++index) {
+      if (aExpiryYear.CharAt(index) < '0' || aExpiryYear.CharAt(index) > '9') {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+void BasicCardService::CheckForValidBasicCardErrors(JSContext* aCx,
+                                                    JSObject* aData,
+                                                    ErrorResult& aRv) {
+  MOZ_ASSERT(aData, "Don't pass null data");
+  JS::Rooted<JS::Value> data(aCx, JS::ObjectValue(*aData));
+
+  // XXXbz Just because aData converts to BasicCardErrors right now doesn't mean
+  // it will if someone tries again!  Should we be replacing aData with a
+  // conversion of the BasicCardErrors dictionary to a JS object in a clean
+  // compartment or something?
+  BasicCardErrors bcError;
+  if (!bcError.Init(aCx, data)) {
+    aRv.NoteJSContextException(aCx);
+  }
+}
+}  // namespace mozilla::dom