src/moonshot-identity-dialog.vala

   1 /*
   2  * Copyright (c) 2016, JANET(UK)
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. Neither the name of JANET(UK) nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31 */
  32 using Gtk;
  33
  34
  35 // Defined here as workaround for emacs vala-mode indentation failure.
  36 #if VALA_0_12
  37 static const string CANCEL = Stock.CANCEL;
  38 #else
  39 static const string CANCEL = STOCK_CANCEL;
  40 #endif
  41
  42
  43 class IdentityDialog : Dialog
  44 {
  45     private static Gdk.Color white = make_color(65535, 65535, 65535);
  46     private static Gdk.Color selected_color = make_color(0xd9 << 8, 0xf7 << 8, 65535);
  47
  48     private static MoonshotLogger logger = get_logger("IdentityDialog");
  49
  50     static const string displayname_labeltext = _("Display Name");
  51     static const string realm_labeltext = _("Realm");
  52     static const string username_labeltext = _("Username");
  53     static const string password_labeltext = _("Password");
  54
  55     private Entry displayname_entry;
  56     private Label displayname_label;
  57     private Entry realm_entry;
  58     private Label realm_label;
  59     private Entry username_entry;
  60     private Label username_label;
  61     private Entry password_entry;
  62     private Label password_label;
  63     private CheckButton remember_checkbutton;
  64     private Label message_label;
  65     public bool complete;
  66     private IdCard card;
  67
  68     private Label selected_item = null;
  69
  70     public string display_name {
  71         get { return displayname_entry.get_text(); }
  72     }
  73
  74     public string issuer {
  75         get { return realm_entry.get_text(); }
  76     }
  77
  78     public string username {
  79         get { return username_entry.get_text(); }
  80     }
  81
  82     public string password {
  83         get { return password_entry.get_text(); }
  84     }
  85
  86     public bool store_password {
  87         get { return remember_checkbutton.active; }
  88     }
  89
  90     internal string[] get_services()
  91     {
  92         return card.services;
  93     }
  94
  95     public IdentityDialog(IdentityManagerView parent)
  96     {
  97         this.with_idcard(null, _("Add ID Card"), parent);
  98     }
  99
 100     public IdentityDialog.with_idcard(IdCard? a_card, string title, IdentityManagerView parent)
 101     {
 102         bool is_new_card = false;
 103         if (a_card == null)
 104         {
 105             is_new_card = true;
 106         }
 107
 108         card = a_card ?? new IdCard();
 109         this.set_title(title);
 110         this.set_modal(true);
 111         this.set_transient_for(parent);
 112
 113         this.add_buttons(_("OK"), ResponseType.OK, CANCEL, ResponseType.CANCEL);
 114         Box content_area = (Box) this.get_content_area();
 115
 116         displayname_label = new Label(@"$displayname_labeltext:");
 117         displayname_label.set_alignment(0, (float) 0.5);
 118         displayname_entry = new Entry();
 119         displayname_entry.set_text(card.display_name);
 120         displayname_entry.set_width_chars(40);
 121
 122         realm_label = new Label(@"$realm_labeltext:");
 123         realm_label.set_alignment(0, (float) 0.5);
 124         realm_entry = new Entry();
 125         realm_entry.set_text(card.issuer);
 126         realm_entry.set_width_chars(60);
 127
 128         username_label = new Label(@"$username_labeltext:");
 129         username_label.set_alignment(0, (float) 0.5);
 130         username_entry = new Entry();
 131         username_entry.set_text(card.username);
 132         username_entry.set_width_chars(40);
 133
 134         password_label = new Label(@"$password_labeltext:");
 135         password_label.set_alignment(0, (float) 0.5);
 136
 137         remember_checkbutton = new CheckButton.with_label(_("Remember password"));
 138         remember_checkbutton.active = card.store_password;
 139
 140         password_entry = new Entry();
 141         password_entry.set_invisible_char('*');
 142         password_entry.set_visibility(false);
 143         password_entry.set_width_chars(40);
 144         password_entry.set_text(card.password);
 145
 146         message_label = new Label("");
 147         message_label.set_visible(false);
 148
 149         set_atk_relation(displayname_label, displayname_entry, Atk.RelationType.LABEL_FOR);
 150         set_atk_relation(realm_label, realm_entry, Atk.RelationType.LABEL_FOR);
 151         set_atk_relation(username_label, username_entry, Atk.RelationType.LABEL_FOR);
 152         set_atk_relation(password_label, password_entry, Atk.RelationType.LABEL_FOR);
 153
 154         content_area.pack_start(message_label, false, false, 6);
 155         add_as_vbox(content_area, displayname_label, displayname_entry);
 156         add_as_vbox(content_area, username_label, username_entry);
 157         add_as_vbox(content_area, realm_label, realm_entry);
 158         add_as_vbox(content_area, password_label, password_entry);
 159
 160         // var entries = new VBox(false, 6);
 161         // add_as_vbox(entries, displayname_label, displayname_entry);
 162         // add_as_vbox(entries, realm_label, realm_entry);
 163         // add_as_vbox(entries, username_label, username_entry);
 164         // add_as_vbox(entries, password_label, password_entry);
 165         // content_area.pack_start(entries, false, false, 0);
 166
 167         var remember_hbox = new HBox(false, 40);
 168         remember_hbox.pack_start(new HBox(false, 0), false, false, 0);
 169         remember_hbox.pack_start(remember_checkbutton, false, false, 0);
 170         content_area.pack_start(remember_hbox, false, false, 2);
 171         // content_area.pack_start(remember_checkbutton, false, false, 2);
 172
 173         this.response.connect(on_response);
 174         content_area.set_border_width(6);
 175
 176         if (!is_new_card)
 177         {
 178             var services_vbox = make_services_vbox();
 179             content_area.pack_start(services_vbox);
 180         }
 181
 182         if (card.is_no_identity())
 183         {
 184             displayname_entry.set_sensitive(false);
 185             realm_entry.set_sensitive(false);
 186             username_entry.set_sensitive(false);
 187             password_entry.set_sensitive(false);
 188             remember_checkbutton.set_sensitive(false);
 189         }
 190
 191         this.set_border_width(6);
 192         this.set_resizable(false);
 193         this.modify_bg(StateType.NORMAL, white);
 194         this.show_all();
 195     }
 196
 197     private static void add_as_vbox(Box content_area, Label label, Entry entry)
 198     {
 199         VBox vbox = new VBox(false, 2);
 200
 201         vbox.pack_start(label, false, false, 0);
 202         vbox.pack_start(entry, false, false, 0);
 203
 204         // Hack to prevent the text entries from stretching horizontally
 205         HBox hbox = new HBox(false, 0);
 206         hbox.pack_start(vbox, false, false, 0);
 207         content_area.pack_start(hbox, false, false, 6);
 208     }
 209
 210     private static string update_preamble(string preamble)
 211     {
 212         if (preamble == "")
 213             return _("Missing required field: ");
 214         return _("Missing required fields: ");
 215     }
 216
 217     private static string update_message(string old_message, string new_item)
 218     {
 219         string message;
 220         if (old_message == "")
 221             message = new_item;
 222         else
 223             message = old_message + ", " + new_item;
 224         return message;
 225     }
 226
 227     private static void check_field(string field, Label label, string fieldname, ref string preamble, ref string message)
 228     {
 229         if (field != "") {
 230             label.set_markup(@"$fieldname:");
 231             return;
 232         }
 233         label.set_markup(@"<span foreground=\"red\">$fieldname:</span>");
 234         preamble = update_preamble(preamble);
 235         message = update_message(message, fieldname);
 236     }
 237
 238     private bool check_fields()
 239     {
 240         string preamble = "";
 241         string message = "";
 242         string password_test = store_password ? password : "not required";
 243         if (!card.is_no_identity())
 244         {
 245             check_field(display_name, displayname_label, displayname_labeltext, ref preamble, ref message);
 246             check_field(username, username_label, username_labeltext, ref preamble, ref message);
 247             check_field(issuer, realm_label, realm_labeltext, ref preamble, ref message);
 248             check_field(password_test, password_label, password_labeltext, ref preamble, ref message);
 249         }
 250         if (message != "") {
 251             message_label.set_visible(true);
 252             message_label.set_markup(@"<span foreground=\"red\">$preamble$message</span>");
 253             return false;
 254         }
 255         return true;
 256     }
 257
 258     private void on_response(Dialog source, int response_id)
 259     {
 260         switch (response_id) {
 261         case ResponseType.OK:
 262             complete = check_fields();
 263             break;
 264         case ResponseType.CANCEL:
 265             complete = true;
 266             break;
 267         }
 268     }
 269
 270     private static void label_make_bold(Label label)
 271     {
 272         var font_desc = new Pango.FontDescription();
 273
 274         font_desc.set_weight(Pango.Weight.BOLD);
 275
 276         /* This will only affect the weight of the font. The rest is
 277          * from the current state of the widget, which comes from the
 278          * theme or user prefs, since the font desc only has the
 279          * weight flag turned on.
 280          */
 281         label.modify_font(font_desc);
 282     }
 283
 284     private VBox make_services_vbox()
 285     {
 286         logger.trace("make_services_vbox");
 287
 288         var services_vbox_alignment = new Alignment(0, 0, 0, 1);
 289         var services_vscroll = new ScrolledWindow(null, null);
 290         services_vscroll.set_policy(PolicyType.NEVER, PolicyType.AUTOMATIC);
 291         services_vscroll.set_shadow_type(ShadowType.IN);
 292         services_vscroll.set_size_request(0, 60);
 293         services_vscroll.add_with_viewport(services_vbox_alignment);
 294
 295 #if VALA_0_12
 296         var remove_button = new Button.from_stock(Stock.REMOVE);
 297 #else
 298         var remove_button = new Button.from_stock(STOCK_REMOVE);
 299 #endif
 300         remove_button.set_sensitive(false);
 301
 302
 303         var services_table = new Table(card.services.length, 1, false);
 304         services_table.set_row_spacings(1);
 305         services_table.set_col_spacings(0);
 306         services_table.modify_bg(StateType.NORMAL, white);
 307
 308         var table_button_hbox = new HBox(false, 6);
 309         table_button_hbox.pack_start(services_vscroll, true, true, 6);
 310
 311         // Hack to prevent the button from growing vertically
 312         VBox fixed_height = new VBox(false, 0);
 313         fixed_height.pack_start(remove_button, false, false, 0);
 314         table_button_hbox.pack_start(fixed_height, false, false, 6);
 315
 316         // A table doesn't have a background color, so put it in an EventBox, and
 317         // set the EventBox's background color instead.
 318         EventBox table_bg = new EventBox();
 319         table_bg.modify_bg(StateType.NORMAL, white);
 320         table_bg.add(services_table);
 321         services_vbox_alignment.add(table_bg);
 322
 323         var services_vbox_title = new Label(_("Services:"));
 324         label_make_bold(services_vbox_title);
 325         services_vbox_title.set_alignment(0, (float) 0.5);
 326
 327         var services_vbox = new VBox(false, 6);
 328         services_vbox.pack_start(services_vbox_title, false, false, 6);
 329         services_vbox.pack_start(table_button_hbox, true, true, 6);
 330
 331         int i = 0;
 332         foreach (string service in card.services)
 333         {
 334             var label = new Label(service);
 335             label.set_alignment((float) 0, (float) 0);
 336
 337             EventBox event_box = new EventBox();
 338             event_box.modify_bg(StateType.NORMAL, white);
 339             event_box.add(label);
 340             event_box.button_press_event.connect(() =>
 341                 {
 342                     var state = label.get_state();
 343                     logger.trace("button_press_callback: Label state=" + state.to_string() + " setting bg to " + white.to_string());
 344
 345                     if (selected_item == label)
 346                     {
 347                         // Deselect
 348                         selected_item.parent.modify_bg(state, white);
 349                         selected_item = null;
 350                         remove_button.set_sensitive(false);
 351                     }
 352                     else
 353                     {
 354                         if (selected_item != null)
 355                         {
 356                             // Deselect
 357                             selected_item.parent.modify_bg(state, white);
 358                             selected_item = null;
 359                         }
 360
 361                         // Select
 362                         selected_item = label;
 363                         selected_item.parent.modify_bg(state, selected_color);
 364                         remove_button.set_sensitive(true);
 365                     }
 366                     return false;
 367                 });
 368
 369             AttachOptions opts = AttachOptions.EXPAND | AttachOptions.FILL;
 370             services_table.attach(event_box, 0, 1, i, i+1, opts, opts, 3, 0);
 371             i++;
 372         }
 373
 374         remove_button.clicked.connect((remove_button) =>
 375             {
 376                 var result = WarningDialog.confirm(this,
 377                                                    Markup.printf_escaped(
 378                                                        "<span font-weight='heavy'>You are about to remove the service '%s'.</span>",
 379                                                        selected_item.label)
 380                                                    + "\n\nAre you sure you want to do this?",
 381                                                    "delete_service");
 382
 383                 if (result)
 384                 {
 385                     if (card != null) {
 386                         SList<string> services = new SList<string>();
 387
 388                         foreach (string srv in card.services)
 389                         {
 390                             if (srv != selected_item.label)
 391                                 services.append(srv);
 392                         }
 393
 394                         card.services = new string[services.length()];
 395                         for (int j = 0; j < card.services.length; j++)
 396                         {
 397                             card.services[j] = services.nth_data(j);
 398                         }
 399
 400                         services_table.remove(selected_item.parent);
 401                         selected_item = null;
 402                         remove_button.set_sensitive(false);
 403                     }
 404                 }
 405
 406             });
 407
 408         return services_vbox;
 409     }
 410
 411
 412 }