src/chrome/browser/chromeos/enrollment_dialog_view.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/enrollment_dialog_view.h"
   6
   7 #include "base/bind.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/profiles/profile_manager.h"
  12 #include "chrome/browser/ui/browser_finder.h"
  13 #include "chrome/browser/ui/browser_navigator.h"
  14 #include "chrome/grit/generated_resources.h"
  15 #include "chromeos/network/client_cert_util.h"
  16 #include "chromeos/network/managed_network_configuration_handler.h"
  17 #include "chromeos/network/network_event_log.h"
  18 #include "chromeos/network/network_state.h"
  19 #include "chromeos/network/network_state_handler.h"
  20 #include "extensions/browser/extension_host.h"
  21 #include "extensions/common/constants.h"
  22 #include "ui/base/l10n/l10n_util.h"
  23 #include "ui/base/page_transition_types.h"
  24 #include "ui/views/controls/label.h"
  25 #include "ui/views/layout/grid_layout.h"
  26 #include "ui/views/layout/layout_constants.h"
  27 #include "ui/views/widget/widget.h"
  28 #include "ui/views/window/dialog_delegate.h"
  29
  30 namespace chromeos {
  31
  32 namespace {
  33
  34 // Default width/height of the dialog.
  35 const int kDefaultWidth = 350;
  36 const int kDefaultHeight = 100;
  37
  38 ////////////////////////////////////////////////////////////////////////////////
  39 // Dialog for certificate enrollment. This displays the content from the
  40 // certificate enrollment URI.
  41 class EnrollmentDialogView : public views::DialogDelegateView {
  42  public:
  43   virtual ~EnrollmentDialogView();
  44
  45   static void ShowDialog(gfx::NativeWindow owning_window,
  46                          const std::string& network_name,
  47                          Profile* profile,
  48                          const GURL& target_uri,
  49                          const base::Closure& connect);
  50
  51   // views::DialogDelegateView overrides
  52   virtual int GetDialogButtons() const override;
  53   virtual bool Accept() override;
  54   virtual void OnClosed() override;
  55   virtual base::string16 GetDialogButtonLabel(
  56       ui::DialogButton button) const override;
  57
  58   // views::WidgetDelegate overrides
  59   virtual ui::ModalType GetModalType() const override;
  60   virtual base::string16 GetWindowTitle() const override;
  61
  62   // views::View overrides
  63   virtual gfx::Size GetPreferredSize() const override;
  64
  65  private:
  66   EnrollmentDialogView(const std::string& network_name,
  67                        Profile* profile,
  68                        const GURL& target_uri,
  69                        const base::Closure& connect);
  70   void InitDialog();
  71
  72   bool accepted_;
  73   std::string network_name_;
  74   Profile* profile_;
  75   GURL target_uri_;
  76   base::Closure connect_;
  77   bool added_cert_;
  78 };
  79
  80 ////////////////////////////////////////////////////////////////////////////////
  81 // EnrollmentDialogView implementation.
  82
  83 EnrollmentDialogView::EnrollmentDialogView(const std::string& network_name,
  84                                            Profile* profile,
  85                                            const GURL& target_uri,
  86                                            const base::Closure& connect)
  87     : accepted_(false),
  88       network_name_(network_name),
  89       profile_(profile),
  90       target_uri_(target_uri),
  91       connect_(connect),
  92       added_cert_(false) {
  93 }
  94
  95 EnrollmentDialogView::~EnrollmentDialogView() {
  96 }
  97
  98 // static
  99 void EnrollmentDialogView::ShowDialog(gfx::NativeWindow owning_window,
 100                                       const std::string& network_name,
 101                                       Profile* profile,
 102                                       const GURL& target_uri,
 103                                       const base::Closure& connect) {
 104   EnrollmentDialogView* dialog_view =
 105       new EnrollmentDialogView(network_name, profile, target_uri, connect);
 106   views::DialogDelegate::CreateDialogWidget(dialog_view, NULL, owning_window);
 107   dialog_view->InitDialog();
 108   views::Widget* widget = dialog_view->GetWidget();
 109   DCHECK(widget);
 110   widget->Show();
 111 }
 112
 113 int EnrollmentDialogView::GetDialogButtons() const {
 114   return ui::DIALOG_BUTTON_CANCEL | ui::DIALOG_BUTTON_OK;
 115 }
 116
 117 bool EnrollmentDialogView::Accept() {
 118   accepted_ = true;
 119   return true;
 120 }
 121
 122 void EnrollmentDialogView::OnClosed() {
 123   if (!accepted_)
 124     return;
 125   chrome::NavigateParams params(profile_,
 126                                 GURL(target_uri_),
 127                                 ui::PAGE_TRANSITION_LINK);
 128   params.disposition = NEW_FOREGROUND_TAB;
 129   params.window_action = chrome::NavigateParams::SHOW_WINDOW;
 130   chrome::Navigate(&params);
 131 }
 132
 133 base::string16 EnrollmentDialogView::GetDialogButtonLabel(
 134     ui::DialogButton button) const {
 135   if (button == ui::DIALOG_BUTTON_OK)
 136     return l10n_util::GetStringUTF16(IDS_NETWORK_ENROLLMENT_HANDLER_BUTTON);
 137   return views::DialogDelegateView::GetDialogButtonLabel(button);
 138 }
 139
 140 ui::ModalType EnrollmentDialogView::GetModalType() const {
 141   return ui::MODAL_TYPE_SYSTEM;
 142 }
 143
 144 base::string16 EnrollmentDialogView::GetWindowTitle() const {
 145   return l10n_util::GetStringUTF16(IDS_NETWORK_ENROLLMENT_HANDLER_TITLE);
 146 }
 147
 148 gfx::Size EnrollmentDialogView::GetPreferredSize() const {
 149   return gfx::Size(kDefaultWidth, kDefaultHeight);
 150 }
 151
 152 void EnrollmentDialogView::InitDialog() {
 153   added_cert_ = false;
 154   // Create the views and layout manager and set them up.
 155   views::Label* label = new views::Label(
 156       l10n_util::GetStringFUTF16(IDS_NETWORK_ENROLLMENT_HANDLER_INSTRUCTIONS,
 157                                  base::UTF8ToUTF16(network_name_)));
 158   label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 159   label->SetMultiLine(true);
 160   label->SetAllowCharacterBreak(true);
 161
 162   views::GridLayout* grid_layout = views::GridLayout::CreatePanel(this);
 163   SetLayoutManager(grid_layout);
 164
 165   views::ColumnSet* columns = grid_layout->AddColumnSet(0);
 166   columns->AddColumn(views::GridLayout::FILL,  // Horizontal resize.
 167                      views::GridLayout::FILL,  // Vertical resize.
 168                      1,   // Resize weight.
 169                      views::GridLayout::USE_PREF,  // Size type.
 170                      0,   // Ignored for USE_PREF.
 171                      0);  // Minimum size.
 172   columns = grid_layout->AddColumnSet(1);
 173   columns->AddPaddingColumn(
 174       0, views::kUnrelatedControlHorizontalSpacing);
 175   columns->AddColumn(views::GridLayout::LEADING,  // Horizontal leading.
 176                      views::GridLayout::FILL,     // Vertical resize.
 177                      1,   // Resize weight.
 178                      views::GridLayout::USE_PREF,  // Size type.
 179                      0,   // Ignored for USE_PREF.
 180                      0);  // Minimum size.
 181
 182   grid_layout->StartRow(0, 0);
 183   grid_layout->AddView(label);
 184   grid_layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 185   grid_layout->Layout(this);
 186 }
 187
 188 ////////////////////////////////////////////////////////////////////////////////
 189 // Handler for certificate enrollment.
 190
 191 class DialogEnrollmentDelegate {
 192  public:
 193   // |owning_window| is the window that will own the dialog.
 194   DialogEnrollmentDelegate(gfx::NativeWindow owning_window,
 195                            const std::string& network_name,
 196                            Profile* profile);
 197   ~DialogEnrollmentDelegate();
 198
 199   // EnrollmentDelegate overrides
 200   bool Enroll(const std::vector<std::string>& uri_list,
 201               const base::Closure& connect);
 202
 203  private:
 204   gfx::NativeWindow owning_window_;
 205   std::string network_name_;
 206   Profile* profile_;
 207
 208   DISALLOW_COPY_AND_ASSIGN(DialogEnrollmentDelegate);
 209 };
 210
 211 DialogEnrollmentDelegate::DialogEnrollmentDelegate(
 212     gfx::NativeWindow owning_window,
 213     const std::string& network_name,
 214     Profile* profile) : owning_window_(owning_window),
 215                         network_name_(network_name),
 216                         profile_(profile) {}
 217
 218 DialogEnrollmentDelegate::~DialogEnrollmentDelegate() {}
 219
 220 bool DialogEnrollmentDelegate::Enroll(const std::vector<std::string>& uri_list,
 221                                       const base::Closure& post_action) {
 222   // Keep the closure for later activation if we notice that
 223   // a certificate has been added.
 224
 225   // TODO(gspencer): Do something smart with the closure.  At the moment it is
 226   // being ignored because we don't know when the enrollment tab is closed.
 227   // http://crosbug.com/30422
 228   for (std::vector<std::string>::const_iterator iter = uri_list.begin();
 229        iter != uri_list.end(); ++iter) {
 230     GURL uri(*iter);
 231     if (uri.IsStandard() || uri.scheme() == extensions::kExtensionScheme) {
 232       // If this is a "standard" scheme, like http, ftp, etc., then open that in
 233       // the enrollment dialog.
 234       NET_LOG_EVENT("Showing enrollment dialog", network_name_);
 235       EnrollmentDialogView::ShowDialog(owning_window_,
 236                                        network_name_,
 237                                        profile_,
 238                                        uri, post_action);
 239       return true;
 240     }
 241     NET_LOG_DEBUG("Nonstandard URI: " + uri.spec(), network_name_);
 242   }
 243
 244   // No appropriate scheme was found.
 245   NET_LOG_ERROR("No usable enrollment URI", network_name_);
 246   return false;
 247 }
 248
 249 void EnrollmentComplete(const std::string& service_path) {
 250   NET_LOG_USER("Enrollment Complete", service_path);
 251 }
 252
 253 }  // namespace
 254
 255 ////////////////////////////////////////////////////////////////////////////////
 256 // Factory function.
 257
 258 namespace enrollment {
 259
 260 bool CreateDialog(const std::string& service_path,
 261                   gfx::NativeWindow owning_window) {
 262   const NetworkState* network = NetworkHandler::Get()->network_state_handler()->
 263       GetNetworkState(service_path);
 264   if (!network) {
 265     NET_LOG_ERROR("Enrolling Unknown network", service_path);
 266     return false;
 267   }
 268   Browser* browser = chrome::FindBrowserWithWindow(owning_window);
 269   Profile* profile =
 270       browser ? browser->profile() : ProfileManager::GetPrimaryUserProfile();
 271   std::string username_hash = ProfileHelper::GetUserIdHashFromProfile(profile);
 272
 273   onc::ONCSource onc_source = onc::ONC_SOURCE_NONE;
 274   const base::DictionaryValue* policy =
 275       NetworkHandler::Get()
 276           ->managed_network_configuration_handler()
 277           ->FindPolicyByGUID(username_hash, network->guid(), &onc_source);
 278
 279   // We skip certificate patterns for device policy ONC so that an unmanaged
 280   // user can't get to the place where a cert is presented for them
 281   // involuntarily.
 282   if (!policy || onc_source == onc::ONC_SOURCE_DEVICE_POLICY)
 283     return false;
 284
 285   client_cert::ClientCertConfig cert_config;
 286   OncToClientCertConfig(*policy, &cert_config);
 287
 288   if (cert_config.client_cert_type != onc::client_cert::kPattern)
 289     return false;
 290
 291   if (cert_config.pattern.Empty())
 292     NET_LOG_ERROR("Certificate pattern is empty", service_path);
 293
 294   if (cert_config.pattern.enrollment_uri_list().empty()) {
 295     NET_LOG_EVENT("No enrollment URIs", service_path);
 296     return false;
 297   }
 298
 299   NET_LOG_USER("Enrolling", service_path);
 300
 301   DialogEnrollmentDelegate* enrollment =
 302       new DialogEnrollmentDelegate(owning_window, network->name(), profile);
 303   return enrollment->Enroll(cert_config.pattern.enrollment_uri_list(),
 304                             base::Bind(&EnrollmentComplete, service_path));
 305 }
 306
 307 }  // namespace enrollment
 308
 309 }  // namespace chromeos