Networking.config: Implementation of the NetworkingConfigService

chrome/browser/extensions/api/networking_config/networking_config_service.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 <algorithm>
+
+#include "base/lazy_instance.h"
+#include "base/strings/string_util.h"
+#include "chrome/browser/extensions/api/networking_config/networking_config_service.h"
+
+namespace extensions {
+
+namespace {
+
+bool IsValidNonEmptyHexString(const std::string& input) {
+  size_t count = input.size();
+  if (count == 0 || (count % 2) != 0)
+    return false;
+  return std::all_of(input.begin(), input.end(), IsHexDigit<char>);
+}
+
+}  // namespace
+
+NetworkingConfigService::AuthenticationResult::AuthenticationResult()
+    : authentication_state(NetworkingConfigService::NOTRY) {
+}
+
+NetworkingConfigService::NetworkingConfigService(
+    scoped_ptr<EventDelegate> event_delegate,
+    ExtensionRegistry* extension_registry)
+    : registry_observer_(this), event_delegate_(event_delegate.Pass()) {
+  registry_observer_.Add(extension_registry);
+}
+
+NetworkingConfigService::~NetworkingConfigService() {
+}
+
+void NetworkingConfigService::OnExtensionUnloaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    UnloadedExtensionInfo::Reason reason) {
+  UnregisterExtension(extension->id());
+}
+
+std::string NetworkingConfigService::GetExtensionIdForHexSsid(
+    std::string hex_ssid) const {
+  // Transform hex_ssid to uppercase.
+  transform(hex_ssid.begin(), hex_ssid.end(), hex_ssid.begin(), toupper);
+
+  const auto it = hex_ssid_to_extension_id_.find(hex_ssid);
+  if (it == hex_ssid_to_extension_id_.end())
+    return std::string();
+  return it->second;
+}
+
+bool NetworkingConfigService::HasExtensionRegisteredForEvent(
+    std::string extension_id) const {
+  return event_delegate_->HasExtensionRegisteredForEvent(extension_id);
+}
+
+bool NetworkingConfigService::RegisterHexSsid(std::string hex_ssid,
+                                              const std::string& extension_id) {
+  if (!IsValidNonEmptyHexString(hex_ssid)) {
+    LOG(ERROR) << "\'" << hex_ssid << "\' is not a valid hex encoded string.";
+    return false;
+  }
+
+  // Transform hex_ssid to uppercase.
+  transform(hex_ssid.begin(), hex_ssid.end(), hex_ssid.begin(), toupper);
+
+  return hex_ssid_to_extension_id_.insert(make_pair(hex_ssid, extension_id))
+      .second;
+}
+
+void NetworkingConfigService::UnregisterExtension(
+    const std::string& extension_id) {
+  for (auto it = hex_ssid_to_extension_id_.begin();
+       it != hex_ssid_to_extension_id_.end();) {
+    if (it->second == extension_id)
+      hex_ssid_to_extension_id_.erase(it++);
+    else
+      ++it;
+  }
+}
+
+const NetworkingConfigService::AuthenticationResult&
+NetworkingConfigService::GetAuthenticationResult() const {
+  return authentication_result_;
+}
+
+void NetworkingConfigService::ResetAuthenticationResult() {
+  authentication_result_ = AuthenticationResult();
+}
+
+void NetworkingConfigService::SetAuthenticationResult(
+    const AuthenticationResult& authentication_result) {
+  authentication_result_ = authentication_result;
+}
+
+}  // namespace extensions