WebUsb Android chooser UI

device/usb/webusb_descriptors.cc

 // Copyright 2015 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 "device/usb/webusb_descriptors.h"
+
 #include <stddef.h>
 
 #include <iterator>
 #include <map>
 #include <set>
 
 #include "base/barrier_closure.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
+#include "base/stl_util.h"
 #include "components/device_event_log/device_event_log.h"
 #include "device/usb/usb_device_handle.h"
-#include "device/usb/webusb_descriptors.h"
 #include "net/base/io_buffer.h"
 
 using net::IOBufferWithSize;
 
 namespace device {
 
 namespace {
 
 // These constants are defined by the Universal Serial Device 3.0 Specification
 // Revision 1.0.
@@ skipping 532 matching lines @@
 void ReadWebUsbDescriptors(scoped_refptr<UsbDeviceHandle> device_handle,
                            const ReadWebUsbDescriptorsCallback& callback) {
   scoped_refptr<IOBufferWithSize> buffer = new IOBufferWithSize(5);
   device_handle->ControlTransfer(
       USB_DIRECTION_INBOUND, UsbDeviceHandle::STANDARD, UsbDeviceHandle::DEVICE,
       kGetDescriptorRequest, kBosDescriptorType << 8, 0, buffer, buffer->size(),
       kControlTransferTimeout,
       base::Bind(&OnReadBosDescriptorHeader, device_handle, callback));
 }
 
+bool FindInWebUsbAllowedOrigins(
+    const device::WebUsbAllowedOrigins* allowed_origins,
+    const GURL& origin) {
+  if (!allowed_origins)
+    return false;
+
+  if (ContainsValue(allowed_origins->origins, origin))
+    return true;
+
+  for (const auto& config : allowed_origins->configurations) {
+    if (ContainsValue(config.origins, origin))
+      return true;
+
+    for (const auto& function : config.functions) {
+      if (ContainsValue(function.origins, origin))
+        return true;
+    }
+  }
+
+  return false;
+}
+
 }  // namespace device