First pass at supporting trust anchors in IdCard dialog
[moonshot-ui.git] / 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
33 using Gee;
34 using Gtk;
35
36
37 // Defined here as workaround for emacs vala-mode indentation failure.
38 #if VALA_0_12
39 static const string CANCEL = Stock.CANCEL;
40 #else
41 static const string CANCEL = STOCK_CANCEL;
42 #endif
43
44
45 class IdentityDialog : Dialog
46 {
47     private static Gdk.Color white = make_color(65535, 65535, 65535);
48     private static Gdk.Color selected_color = make_color(0xd9 << 8, 0xf7 << 8, 65535);
49
50     private static MoonshotLogger logger = get_logger("IdentityDialog");
51
52     static const string displayname_labeltext = _("Display Name");
53     static const string realm_labeltext = _("Realm");
54     static const string username_labeltext = _("Username");
55     static const string password_labeltext = _("Password");
56
57     private Entry displayname_entry;
58     private Label displayname_label;
59     private Entry realm_entry;
60     private Label realm_label;
61     private Entry username_entry;
62     private Label username_label;
63     private Entry password_entry;
64     private Label password_label;
65     private CheckButton remember_checkbutton;
66     private Label message_label;
67     public bool complete;
68     private IdCard card;
69
70     private Label selected_item = null;
71
72     public string display_name {
73         get { return displayname_entry.get_text(); }
74     }
75
76     public string issuer {
77         get { return realm_entry.get_text(); }
78     }
79
80     public string username {
81         get { return username_entry.get_text(); }
82     }
83
84     public string password {
85         get { return password_entry.get_text(); }
86     }
87
88     public bool store_password {
89         get { return remember_checkbutton.active; }
90     }
91
92     internal ArrayList<string> get_services()
93     {
94         return card.services;
95     }
96
97     public IdentityDialog(IdentityManagerView parent)
98     {
99         this.with_idcard(null, _("Add ID Card"), parent);
100     }
101
102     public IdentityDialog.with_idcard(IdCard? a_card, string title, IdentityManagerView parent)
103     {
104         bool is_new_card = false;
105         if (a_card == null)
106         {
107             is_new_card = true;
108         }
109
110         card = a_card ?? new IdCard();
111         this.set_title(title);
112         this.set_modal(true);
113         this.set_transient_for(parent);
114
115         this.add_buttons(_("OK"), ResponseType.OK, CANCEL, ResponseType.CANCEL);
116         Box content_area = (Box) this.get_content_area();
117
118         displayname_label = new Label(@"$displayname_labeltext:");
119         displayname_label.set_alignment(0, (float) 0.5);
120         displayname_entry = new Entry();
121         displayname_entry.set_text(card.display_name);
122         displayname_entry.set_width_chars(40);
123
124         realm_label = new Label(@"$realm_labeltext:");
125         realm_label.set_alignment(0, (float) 0.5);
126         realm_entry = new Entry();
127         realm_entry.set_text(card.issuer);
128         realm_entry.set_width_chars(60);
129
130         username_label = new Label(@"$username_labeltext:");
131         username_label.set_alignment(0, (float) 0.5);
132         username_entry = new Entry();
133         username_entry.set_text(card.username);
134         username_entry.set_width_chars(40);
135
136         password_label = new Label(@"$password_labeltext:");
137         password_label.set_alignment(0, (float) 0.5);
138
139         remember_checkbutton = new CheckButton.with_label(_("Remember password"));
140         remember_checkbutton.active = card.store_password;
141
142         password_entry = new Entry();
143         password_entry.set_invisible_char('*');
144         password_entry.set_visibility(false);
145         password_entry.set_width_chars(40);
146         password_entry.set_text(card.password);
147
148         message_label = new Label("");
149         message_label.set_visible(false);
150
151         set_atk_relation(displayname_label, displayname_entry, Atk.RelationType.LABEL_FOR);
152         set_atk_relation(realm_label, realm_entry, Atk.RelationType.LABEL_FOR);
153         set_atk_relation(username_label, username_entry, Atk.RelationType.LABEL_FOR);
154         set_atk_relation(password_label, password_entry, Atk.RelationType.LABEL_FOR);
155
156         content_area.pack_start(message_label, false, false, 6);
157         add_as_vbox(content_area, displayname_label, displayname_entry);
158         add_as_vbox(content_area, username_label, username_entry);
159         add_as_vbox(content_area, realm_label, realm_entry);
160         add_as_vbox(content_area, password_label, password_entry);
161
162         // var entries = new VBox(false, 6);
163         // add_as_vbox(entries, displayname_label, displayname_entry);
164         // add_as_vbox(entries, realm_label, realm_entry);
165         // add_as_vbox(entries, username_label, username_entry);
166         // add_as_vbox(entries, password_label, password_entry);
167         // content_area.pack_start(entries, false, false, 0);
168
169         var remember_hbox = new HBox(false, 40);
170         remember_hbox.pack_start(new HBox(false, 0), false, false, 0);
171         remember_hbox.pack_start(remember_checkbutton, false, false, 0);
172         content_area.pack_start(remember_hbox, false, false, 2);
173         // content_area.pack_start(remember_checkbutton, false, false, 2);
174
175         this.response.connect(on_response);
176         content_area.set_border_width(6);
177
178         Widget trust_anchor_box = make_trust_anchor_box(card);
179         content_area.pack_start(trust_anchor_box, false, false, 15);
180
181         if (!is_new_card)
182         {
183             var services_vbox = make_services_vbox();
184             content_area.pack_start(services_vbox);
185         }
186
187         if (card.is_no_identity())
188         {
189             displayname_entry.set_sensitive(false);
190             realm_entry.set_sensitive(false);
191             username_entry.set_sensitive(false);
192             password_entry.set_sensitive(false);
193             remember_checkbutton.set_sensitive(false);
194         }
195
196         this.set_border_width(6);
197         this.set_resizable(false);
198         this.modify_bg(StateType.NORMAL, white);
199         this.show_all();
200     }
201
202     private static Widget make_trust_anchor_box(IdCard id)
203     {
204
205         Label ta_label = new Label(_("Trust anchor: ")
206                                    + (id.trust_anchor.is_empty() ? _("None") : _("Enterprise provisioned")));
207         ta_label.set_alignment(0, 0.5f);
208
209         if (id.trust_anchor.is_empty()) {
210             return ta_label;
211         }
212
213
214         AttachOptions opts = AttachOptions.EXPAND | AttachOptions.FILL;
215         AttachOptions fill = AttachOptions.FILL;
216
217         Table ta_table = new Table(6, 2, false);
218         int row = 0;
219
220         var ta_clear_button = new Button.with_label(_("Clear Trust Anchor"));
221         ta_clear_button.clicked.connect((w) => {id.trust_anchor = new TrustAnchor();});
222
223         ta_table.attach(ta_label, 0, 1, row, row + 1, opts, opts, 0, 0);
224         ta_table.attach(ta_clear_button, 1, 2, row, row + 1, fill, fill, 0, 0);
225         row++;
226
227         //!!TODO
228         Label added_label = new Label(_("Added on: N/A"));
229         added_label.set_alignment(0, 0.5f);
230         ta_table.attach(added_label, 0, 1, row, row + 1, opts, opts, 20, 5);
231         row++;
232
233         if (id.trust_anchor.get_anchor_type() == TrustAnchor.TrustAnchorType.SERVER_CERT) {
234             Widget fingerprint = make_ta_fingerprint_widget(id.trust_anchor);
235             ta_table.attach(fingerprint, 0, 2, row, row + 2, opts, opts, 20, 5);
236         }
237         else {
238             Label ca_cert_label = new Label(_("CA Certificate:"));
239             ca_cert_label.set_alignment(0, 0.5f);
240             var export_button = new Button.with_label(_("Export Certificate"));
241             //!!TODO!
242             export_button.clicked.connect((w) => {/* !!TODO! */});
243
244             ta_table.attach(ca_cert_label, 0, 1, row, row + 1, opts, opts, 20, 0);
245             ta_table.attach(export_button, 1, 2, row, row + 1, fill, fill, 0, 0);
246             row++;
247
248             //!!TODO: When to show Subject, and when (if ever) show Subject-Altname here?
249             Label subject_label = new Label(_("Subject: ") + id.trust_anchor.subject);
250             subject_label.set_alignment(0, 0.5f);
251             ta_table.attach(subject_label, 0, 1, row, row + 1, opts, opts, 40, 5);
252             row++;
253
254             Label expiration_label = new Label(_("Expiration date: ") + id.trust_anchor.get_expiration_date());
255             expiration_label.set_alignment(0, 0.5f);
256             ta_table.attach(expiration_label, 0, 1, row, row + 1, opts, opts, 40, 5);
257             row++;
258
259             //!!TODO: What *is* this?
260             Label constraint_label = new Label(_("Constraint: "));
261             constraint_label.set_alignment(0, 0.5f);
262             ta_table.attach(constraint_label, 0, 1, row, row + 1, opts, opts, 20, 0);
263             row++;
264         }
265
266         return ta_table;
267
268     }
269
270     private static void add_as_vbox(Box content_area, Label label, Entry entry)
271     {
272         VBox vbox = new VBox(false, 2);
273
274         vbox.pack_start(label, false, false, 0);
275         vbox.pack_start(entry, false, false, 0);
276
277         // Hack to prevent the text entries from stretching horizontally
278         HBox hbox = new HBox(false, 0);
279         hbox.pack_start(vbox, false, false, 0);
280         content_area.pack_start(hbox, false, false, 6);
281     }
282
283     private static string update_preamble(string preamble)
284     {
285         if (preamble == "")
286             return _("Missing required field: ");
287         return _("Missing required fields: ");
288     }
289
290     private static string update_message(string old_message, string new_item)
291     {
292         string message;
293         if (old_message == "")
294             message = new_item;
295         else
296             message = old_message + ", " + new_item;
297         return message;
298     }
299
300     private static void check_field(string field, Label label, string fieldname, ref string preamble, ref string message)
301     {
302         if (field != "") {
303             label.set_markup(@"$fieldname:");
304             return;
305         }
306         label.set_markup(@"<span foreground=\"red\">$fieldname:</span>");
307         preamble = update_preamble(preamble);
308         message = update_message(message, fieldname);
309     }
310
311     private bool check_fields()
312     {
313         string preamble = "";
314         string message = "";
315         string password_test = store_password ? password : "not required";
316         if (!card.is_no_identity())
317         {
318             check_field(display_name, displayname_label, displayname_labeltext, ref preamble, ref message);
319             check_field(username, username_label, username_labeltext, ref preamble, ref message);
320             check_field(issuer, realm_label, realm_labeltext, ref preamble, ref message);
321             check_field(password_test, password_label, password_labeltext, ref preamble, ref message);
322         }
323         if (message != "") {
324             message_label.set_visible(true);
325             message_label.set_markup(@"<span foreground=\"red\">$preamble$message</span>");
326             return false;
327         }
328         return true;
329     }
330
331     private void on_response(Dialog source, int response_id)
332     {
333         switch (response_id) {
334         case ResponseType.OK:
335             complete = check_fields();
336             break;
337         case ResponseType.CANCEL:
338             complete = true;
339             break;
340         }
341     }
342
343     private static void label_make_bold(Label label)
344     {
345         var font_desc = new Pango.FontDescription();
346
347         font_desc.set_weight(Pango.Weight.BOLD);
348
349         /* This will only affect the weight of the font. The rest is
350          * from the current state of the widget, which comes from the
351          * theme or user prefs, since the font desc only has the
352          * weight flag turned on.
353          */
354         label.modify_font(font_desc);
355     }
356
357     private VBox make_services_vbox()
358     {
359         logger.trace("make_services_vbox");
360
361         var services_vbox_alignment = new Alignment(0, 0, 1, 0);
362         var services_vscroll = new ScrolledWindow(null, null);
363         services_vscroll.set_policy(PolicyType.NEVER, PolicyType.AUTOMATIC);
364         services_vscroll.set_shadow_type(ShadowType.IN);
365         services_vscroll.set_size_request(0, 60);
366         services_vscroll.add_with_viewport(services_vbox_alignment);
367
368 #if VALA_0_12
369         var remove_button = new Button.from_stock(Stock.REMOVE);
370 #else
371         var remove_button = new Button.from_stock(STOCK_REMOVE);
372 #endif
373         remove_button.set_sensitive(false);
374
375
376         var services_table = new Table(card.services.size, 1, false);
377         services_table.set_row_spacings(1);
378         services_table.set_col_spacings(0);
379         services_table.modify_bg(StateType.NORMAL, white);
380
381         var table_button_hbox = new HBox(false, 6);
382         table_button_hbox.pack_start(services_vscroll, true, true, 6);
383
384         // Hack to prevent the button from growing vertically
385         VBox fixed_height = new VBox(false, 0);
386         fixed_height.pack_start(remove_button, false, false, 0);
387         table_button_hbox.pack_start(fixed_height, false, false, 0);
388
389         // A table doesn't have a background color, so put it in an EventBox, and
390         // set the EventBox's background color instead.
391         EventBox table_bg = new EventBox();
392         table_bg.modify_bg(StateType.NORMAL, white);
393         table_bg.add(services_table);
394         services_vbox_alignment.add(table_bg);
395
396         var services_vbox_title = new Label(_("Services:"));
397         label_make_bold(services_vbox_title);
398         services_vbox_title.set_alignment(0, 0.5f);
399
400         var services_vbox = new VBox(false, 6);
401         services_vbox.pack_start(services_vbox_title, false, false, 0);
402         services_vbox.pack_start(table_button_hbox, true, true, 0);
403
404         int i = 0;
405         foreach (string service in card.services)
406         {
407             var label = new Label(service);
408             label.set_alignment((float) 0, (float) 0);
409             label.xpad = 3;
410
411             EventBox event_box = new EventBox();
412             event_box.modify_bg(StateType.NORMAL, white);
413             event_box.add(label);
414             event_box.button_press_event.connect(() =>
415                 {
416                     var state = label.get_state();
417                     logger.trace("button_press_callback: Label state=" + state.to_string() + " setting bg to " + white.to_string());
418
419                     if (selected_item == label)
420                     {
421                         // Deselect
422                         selected_item.parent.modify_bg(state, white);
423                         selected_item = null;
424                         remove_button.set_sensitive(false);
425                     }
426                     else
427                     {
428                         if (selected_item != null)
429                         {
430                             // Deselect
431                             selected_item.parent.modify_bg(state, white);
432                             selected_item = null;
433                         }
434
435                         // Select
436                         selected_item = label;
437                         selected_item.parent.modify_bg(state, selected_color);
438                         remove_button.set_sensitive(true);
439                     }
440                     return false;
441                 });
442
443             services_table.attach_defaults(event_box, 0, 1, i, i+1);
444             i++;
445         }
446
447         remove_button.clicked.connect((remove_button) =>
448             {
449                 var result = WarningDialog.confirm(this,
450                                                    Markup.printf_escaped(
451                                                        "<span font-weight='heavy'>You are about to remove the service '%s'.</span>",
452                                                        selected_item.label)
453                                                    + "\n\nAre you sure you want to do this?",
454                                                    "delete_service");
455
456                 if (result)
457                 {
458                     if (card != null) {
459                         card.services.remove(selected_item.label);
460                         services_table.remove(selected_item.parent);
461                         selected_item = null;
462                         remove_button.set_sensitive(false);
463                     }
464                 }
465
466             });
467
468         return services_vbox;
469     }
470
471
472 }