2006-08-14 [cleroy] 2.4.0cvs50
[claws.git] / src / plugins / pgpcore / prefs_gpg.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 2004 Hiroyuki Yamamoto & the Sylpheed-Claws team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #include <gtk/gtk.h>
21 #include <glib.h>
22 #include <glib/gi18n.h>
23
24 #include "defs.h"
25 #include "utils.h"
26 #include "prefs.h"
27 #include "prefs_gtk.h"
28 #include "prefs_gpg.h"
29 #include "sgpgme.h"
30
31 struct GPGConfig prefs_gpg;
32
33 static PrefParam param[] = {
34         /* Privacy */
35         {"auto_check_signatures", "FALSE",
36          &prefs_gpg.auto_check_signatures, P_BOOL,
37          NULL, NULL, NULL},
38         {"store_passphrase", "FALSE", &prefs_gpg.store_passphrase, P_BOOL,
39          NULL, NULL, NULL},
40         {"store_passphrase_timeout", "0",
41          &prefs_gpg.store_passphrase_timeout, P_INT,
42          NULL, NULL, NULL},
43         {"passphrase_grab", "FALSE", &prefs_gpg.passphrase_grab, P_BOOL,
44          NULL, NULL, NULL},
45         {"gpg_warning", "TRUE", &prefs_gpg.gpg_warning, P_BOOL,
46          NULL, NULL, NULL},
47         {"gpg_ask_create_key", "TRUE", &prefs_gpg.gpg_ask_create_key, P_BOOL,
48          NULL, NULL, NULL},
49
50         {NULL, NULL, NULL, P_OTHER, NULL, NULL, NULL}
51 };
52
53 struct GPGPage
54 {
55         PrefsPage page;
56
57         GtkWidget *checkbtn_auto_check_signatures;
58         GtkWidget *checkbtn_store_passphrase;  
59         GtkWidget *spinbtn_store_passphrase;  
60         GtkWidget *checkbtn_passphrase_grab;  
61         GtkWidget *checkbtn_gpg_warning;
62 };
63
64 static void prefs_gpg_create_widget_func(PrefsPage *_page,
65                                          GtkWindow *window,
66                                          gpointer data)
67 {
68         struct GPGPage *page = (struct GPGPage *) _page;
69         struct GPGConfig *config;
70
71         GtkWidget *checkbtn_passphrase_grab;
72         GtkWidget *checkbtn_store_passphrase;
73         GtkWidget *checkbtn_auto_check_signatures;
74         GtkWidget *checkbtn_gpg_warning;
75         GtkWidget *hbox1;
76         GtkWidget *vbox1, *vbox2;
77         GtkWidget *label_expire1;
78         GtkObject *spinbtn_store_passphrase_adj;
79         GtkWidget *spinbtn_store_passphrase;
80         GtkWidget *label_expire2;
81         GtkWidget *frame_passphrase;
82         GtkTooltips *tooltips;
83
84         tooltips = gtk_tooltips_new();
85
86         vbox1 = gtk_vbox_new (FALSE, VSPACING);
87         gtk_widget_show (vbox1);
88         gtk_container_set_border_width (GTK_CONTAINER (vbox1), VBOX_BORDER);
89
90         vbox2 = gtk_vbox_new (FALSE, 0);
91         gtk_widget_show (vbox2);
92         gtk_box_pack_start (GTK_BOX (vbox1), vbox2, FALSE, FALSE, 0);
93
94         PACK_CHECK_BUTTON (vbox2, checkbtn_auto_check_signatures,
95                         _("Automatically check signatures"));
96
97         PACK_FRAME(vbox1, frame_passphrase, _("Passphrase"));
98
99         vbox2 = gtk_vbox_new (FALSE, VSPACING_NARROW);
100         gtk_widget_show (vbox2);
101         gtk_container_add (GTK_CONTAINER (frame_passphrase), vbox2);
102         gtk_container_set_border_width (GTK_CONTAINER (vbox2), 8);
103
104         PACK_CHECK_BUTTON (vbox2, checkbtn_store_passphrase,
105                         _("Store passphrase in memory"));
106
107         hbox1 = gtk_hbox_new (FALSE, 8);
108         gtk_widget_show (hbox1);
109         gtk_box_pack_start (GTK_BOX (vbox2), hbox1, FALSE, FALSE, 0);
110
111         label_expire1 = gtk_label_new(_("Expire after"));
112         gtk_widget_show (label_expire1);
113         gtk_box_pack_start (GTK_BOX (hbox1), label_expire1, FALSE, FALSE, 0);
114
115         spinbtn_store_passphrase_adj =
116             gtk_adjustment_new(1, 0, 1440, 1, 10, 10);
117         spinbtn_store_passphrase =
118             gtk_spin_button_new(GTK_ADJUSTMENT
119                                 (spinbtn_store_passphrase_adj), 1, 0);
120         gtk_widget_show(spinbtn_store_passphrase);
121         gtk_box_pack_start(GTK_BOX(hbox1), spinbtn_store_passphrase, FALSE,
122                            FALSE, 0);
123         gtk_widget_set_size_request(spinbtn_store_passphrase, 64, -1);
124         gtk_tooltips_set_tip(tooltips, spinbtn_store_passphrase,
125                              _
126                              ("Setting to '0' will store the passphrase for the whole session"),
127                              NULL);
128         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON
129                                     (spinbtn_store_passphrase), TRUE);
130
131         label_expire2 = gtk_label_new(_("minute(s)"));
132         gtk_widget_show(label_expire2);
133         gtk_box_pack_start(GTK_BOX(hbox1), label_expire2, FALSE, FALSE, 0);
134         gtk_misc_set_alignment(GTK_MISC(label_expire2), 0.0, 0.5);
135
136         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, label_expire1);
137         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, spinbtn_store_passphrase);
138         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, label_expire2);
139
140         PACK_CHECK_BUTTON (vbox2, checkbtn_passphrase_grab,
141                         _("Grab input while entering a passphrase"));
142
143         vbox2 = gtk_vbox_new (FALSE, 0);
144         gtk_widget_show (vbox2);
145         gtk_box_pack_start (GTK_BOX (vbox1), vbox2, FALSE, FALSE, 0);
146
147         PACK_CHECK_BUTTON (vbox2, checkbtn_gpg_warning,
148                         _("Display warning on startup if GnuPG doesn't work"));
149
150         config = prefs_gpg_get_config();
151
152         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_auto_check_signatures), config->auto_check_signatures);
153         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_store_passphrase), config->store_passphrase);
154         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_store_passphrase), (float) config->store_passphrase_timeout);
155         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_passphrase_grab), config->passphrase_grab);
156         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_gpg_warning), config->gpg_warning);
157
158         page->checkbtn_auto_check_signatures = checkbtn_auto_check_signatures;
159         page->checkbtn_store_passphrase = checkbtn_store_passphrase;
160         page->spinbtn_store_passphrase = spinbtn_store_passphrase;
161         page->checkbtn_passphrase_grab = checkbtn_passphrase_grab;
162         page->checkbtn_gpg_warning = checkbtn_gpg_warning;
163
164         page->page.widget = vbox1;
165 }
166
167 static void prefs_gpg_destroy_widget_func(PrefsPage *_page)
168 {
169 }
170
171 static void prefs_gpg_save_func(PrefsPage *_page)
172 {
173         struct GPGPage *page = (struct GPGPage *) _page;
174         GPGConfig *config = prefs_gpg_get_config();
175
176         config->auto_check_signatures =
177                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_auto_check_signatures));
178         config->store_passphrase = 
179                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_store_passphrase));
180         config->store_passphrase_timeout = 
181                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(page->spinbtn_store_passphrase));
182         config->passphrase_grab = 
183                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_passphrase_grab));
184         config->gpg_warning = 
185                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_gpg_warning));
186
187         prefs_gpg_save_config();
188 }
189
190 struct GPGAccountPage
191 {
192         PrefsPage page;
193
194         GtkWidget *key_default;
195         GtkWidget *key_by_from;
196         GtkWidget *key_custom;
197         GtkWidget *keyid;
198         GtkWidget *keyid_label;
199         GtkWidget *new_key_label;
200         GtkWidget *new_key_btn;
201         GtkWidget *new_key_box;
202
203         PrefsAccount *account;
204 };
205
206 void key_custom_toggled(GtkToggleButton *togglebutton, gpointer user_data)
207 {
208         struct GPGAccountPage *page = (struct GPGAccountPage *) user_data;
209         gboolean active;
210
211         active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom));
212         gtk_widget_set_sensitive(GTK_WIDGET(page->keyid_label), active);
213         gtk_widget_set_sensitive(GTK_WIDGET(page->keyid), active);
214         if (!active)
215                 gtk_editable_delete_text(GTK_EDITABLE(page->keyid), 0, -1);
216 }
217
218 static void new_key_clicked(GtkWidget *widget, gpointer user_data)
219 {
220         struct GPGAccountPage *page = (struct GPGAccountPage *) user_data;
221         sgpgme_create_secret_key(page->account);
222 }
223
224 static void prefs_gpg_account_create_widget_func(PrefsPage *_page,
225                                                  GtkWindow *window,
226                                                  gpointer data)
227 {
228         struct GPGAccountPage *page = (struct GPGAccountPage *) _page;
229         PrefsAccount *account = (PrefsAccount *) data;
230         GPGAccountConfig *config;
231
232         GtkWidget *vbox;
233         GtkWidget *frame1;
234         GtkWidget *vbox2;
235         GtkWidget *hbox;
236         GSList *key_group = NULL;
237         GtkWidget *key_default;
238         GtkWidget *key_by_from;
239         GtkWidget *key_custom;
240         GtkWidget *keyid_label;
241         GtkWidget *keyid;
242         GtkWidget *image;
243         GtkWidget *new_key_label;
244         GtkWidget *new_key_btn;
245         GtkWidget *new_key_box;
246
247         vbox = gtk_vbox_new(FALSE, VSPACING);
248         gtk_container_set_border_width (GTK_CONTAINER (vbox), VBOX_BORDER);
249         gtk_widget_show(vbox);
250
251         PACK_FRAME (vbox, frame1, _("Sign key"));
252
253         vbox2 = gtk_vbox_new (FALSE, VSPACING_NARROW);
254         gtk_container_set_border_width (GTK_CONTAINER (vbox2), VBOX_BORDER);
255         gtk_widget_show (vbox2);
256         gtk_container_add (GTK_CONTAINER (frame1), vbox2);
257
258         hbox = gtk_hbox_new (FALSE, 5);
259         gtk_widget_show (hbox);
260         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
261         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
262
263         key_default = gtk_radio_button_new_with_label(key_group,
264                         _("Use default GnuPG key"));
265         key_group = gtk_radio_button_group(GTK_RADIO_BUTTON(key_default));
266         gtk_widget_show(key_default);
267         gtk_box_pack_start(GTK_BOX(hbox), key_default, FALSE, FALSE, 0);
268
269         hbox = gtk_hbox_new (FALSE, 5);
270         gtk_widget_show (hbox);
271         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
272         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
273
274         key_by_from = gtk_radio_button_new_with_label(key_group,
275                 _("Select key by your email address"));
276         key_group = gtk_radio_button_group(GTK_RADIO_BUTTON(key_by_from));
277         gtk_widget_show(key_by_from);
278         gtk_box_pack_start(GTK_BOX(hbox), key_by_from, FALSE, FALSE, 0);
279
280         hbox = gtk_hbox_new (FALSE, 5);
281         gtk_widget_show (hbox);
282         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
283         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
284
285         key_custom = gtk_radio_button_new_with_label(key_group,
286                 _("Specify key manually"));
287         key_group = gtk_radio_button_group(GTK_RADIO_BUTTON(key_custom));
288         gtk_widget_show(key_custom);
289         gtk_box_pack_start(GTK_BOX(hbox), key_custom, FALSE, FALSE, 0);
290
291         hbox = gtk_hbox_new (FALSE, 5);
292         gtk_widget_show (hbox);
293         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
294         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
295
296         keyid_label = gtk_label_new(_("User or key ID:"));
297         gtk_widget_show(keyid_label);
298         gtk_label_set_justify(GTK_LABEL(keyid_label), GTK_JUSTIFY_LEFT);
299         gtk_box_pack_start(GTK_BOX(hbox), keyid_label, FALSE, FALSE, 0);
300
301         keyid = gtk_entry_new();
302         gtk_widget_show(keyid);
303         gtk_box_pack_start(GTK_BOX(hbox), keyid, FALSE, FALSE, 0);
304
305         config = prefs_gpg_account_get_config(account);
306         switch (config->sign_key) {
307         case SIGN_KEY_DEFAULT:
308                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_default), TRUE);
309                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), FALSE);
310                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), FALSE);
311                 break;
312         case SIGN_KEY_BY_FROM:
313                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_by_from), TRUE);
314                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), FALSE);
315                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), FALSE);
316                 break;
317         case SIGN_KEY_CUSTOM:
318                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_custom), TRUE);
319                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), TRUE);
320                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), TRUE);
321                 break;
322         }
323
324         new_key_box = gtk_hbox_new(FALSE, 6);
325         
326         image = gtk_image_new_from_stock(GTK_STOCK_DIALOG_WARNING,
327                         GTK_ICON_SIZE_SMALL_TOOLBAR);
328
329         gtk_box_pack_start(GTK_BOX(new_key_box), image, FALSE, FALSE, 0);
330         new_key_label = gtk_label_new(
331                         _("No secret key found."));
332         gtk_box_pack_start(GTK_BOX(new_key_box), new_key_label, FALSE, FALSE, 0);
333         new_key_btn = gtk_button_new_with_label(_("Generate new secret key"));
334         gtk_box_pack_start(GTK_BOX(new_key_box), new_key_btn, FALSE, FALSE, 0);
335
336         gtk_box_pack_start(GTK_BOX(vbox2), new_key_box, FALSE, FALSE, 0);
337
338         gtk_widget_show_all(new_key_box);
339
340         if (sgpgme_has_secret_key())
341                 gtk_widget_hide(new_key_box);
342
343         if (config->sign_key_id != NULL)
344                 gtk_entry_set_text(GTK_ENTRY(keyid), config->sign_key_id);
345
346         g_signal_connect(G_OBJECT(key_custom), "toggled", G_CALLBACK(key_custom_toggled), page);
347         g_signal_connect(G_OBJECT(new_key_btn), "clicked", G_CALLBACK(new_key_clicked), page);
348
349         page->key_default = key_default;
350         page->key_by_from = key_by_from;
351         page->key_custom = key_custom;
352         page->keyid = keyid;
353         page->keyid_label = keyid_label;
354
355         page->page.widget = vbox;
356         page->account = account;
357 }
358
359 static void prefs_gpg_account_destroy_widget_func(PrefsPage *_page)
360 {
361         /* nothing to do here */
362 }
363
364 static void prefs_gpg_account_save_func(PrefsPage *_page)
365 {
366         struct GPGAccountPage *page = (struct GPGAccountPage *) _page;
367         GPGAccountConfig *config;
368
369         config = prefs_gpg_account_get_config(page->account);
370
371         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_default)))
372                 config->sign_key = SIGN_KEY_DEFAULT;
373         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_by_from)))
374                 config->sign_key = SIGN_KEY_BY_FROM;
375         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom))) {
376                 config->sign_key = SIGN_KEY_CUSTOM;
377                 g_free(config->sign_key_id);
378                 config->sign_key_id = gtk_editable_get_chars(GTK_EDITABLE(page->keyid), 0, -1);
379         }
380
381         prefs_gpg_account_set_config(page->account, config);
382         prefs_gpg_account_free_config(config);
383 }
384
385 GPGConfig *prefs_gpg_get_config(void)
386 {
387         return &prefs_gpg;
388 }
389
390 void prefs_gpg_save_config(void)
391 {
392         PrefFile *pfile;
393         gchar *rcpath;
394
395         debug_print("Saving GPG config\n");
396
397         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
398         pfile = prefs_write_open(rcpath);
399         g_free(rcpath);
400         if (!pfile || (prefs_set_block_label(pfile, "GPG") < 0))
401                 return;
402
403         if (prefs_write_param(param, pfile->fp) < 0) {
404                 g_warning("failed to write GPG configuration to file\n");
405                 prefs_file_close_revert(pfile);
406                 return;
407         }
408         fprintf(pfile->fp, "\n");
409
410         prefs_file_close(pfile);
411 }
412
413 struct GPGAccountConfig *prefs_gpg_account_get_config(PrefsAccount *account)
414 {
415         GPGAccountConfig *config;
416         const gchar *confstr;
417         gchar **strv;
418
419         config = g_new0(GPGAccountConfig, 1);
420         config->sign_key = SIGN_KEY_DEFAULT;
421         config->sign_key_id = NULL;
422
423         confstr = prefs_account_get_privacy_prefs(account, "gpg");
424         if (confstr == NULL)
425                 return config;
426
427         strv = g_strsplit(confstr, ";", 0);
428         if (strv[0] != NULL) {
429                 if (!strcmp(strv[0], "DEFAULT"))
430                         config->sign_key = SIGN_KEY_DEFAULT;
431                 if (!strcmp(strv[0], "BY_FROM"))
432                         config->sign_key = SIGN_KEY_BY_FROM;
433                 if (!strcmp(strv[0], "CUSTOM")) {
434                         if (strv[1] != NULL) {
435                                 config->sign_key = SIGN_KEY_CUSTOM;
436                                 config->sign_key_id = g_strdup(strv[1]);
437                         } else
438                                 config->sign_key = SIGN_KEY_DEFAULT;
439                 }
440         }
441         g_strfreev(strv);
442
443         return config;
444 }
445
446 void prefs_gpg_account_set_config(PrefsAccount *account, GPGAccountConfig *config)
447 {
448         gchar *confstr = NULL;
449
450         switch (config->sign_key) {
451         case SIGN_KEY_DEFAULT:
452                 confstr = g_strdup("DEFAULT");
453                 break;
454         case SIGN_KEY_BY_FROM:
455                 confstr = g_strdup("BY_FROM");
456                 break;
457         case SIGN_KEY_CUSTOM:
458                 confstr = g_strdup_printf("CUSTOM;%s", config->sign_key_id);
459                 break;
460         default:
461                 confstr = g_strdup("");
462                 g_warning("prefs_gpg_account_set_config: bad sign_key val\n");
463         }
464
465         prefs_account_set_privacy_prefs(account, "gpg", confstr);
466
467         g_free(confstr);
468 }
469
470 void prefs_gpg_account_free_config(GPGAccountConfig *config)
471 {
472         g_free(config->sign_key_id);
473         g_free(config);
474 }
475
476 static struct GPGPage gpg_page;
477 static struct GPGAccountPage gpg_account_page;
478
479 void prefs_gpg_init()
480 {
481         static gchar *path[3];
482         gchar *rcpath;
483
484         prefs_set_default(param);
485         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
486         prefs_read_config(param, "GPG", rcpath, NULL);
487         g_free(rcpath);
488
489         path[0] = _("Plugins");
490         path[1] = _("GPG");
491         path[2] = NULL;
492
493         gpg_page.page.path = path;
494         gpg_page.page.create_widget = prefs_gpg_create_widget_func;
495         gpg_page.page.destroy_widget = prefs_gpg_destroy_widget_func;
496         gpg_page.page.save_page = prefs_gpg_save_func;
497         gpg_page.page.weight = 30.0;
498
499         prefs_gtk_register_page((PrefsPage *) &gpg_page);
500
501         gpg_account_page.page.path = path;
502         gpg_account_page.page.create_widget = prefs_gpg_account_create_widget_func;
503         gpg_account_page.page.destroy_widget = prefs_gpg_account_destroy_widget_func;
504         gpg_account_page.page.save_page = prefs_gpg_account_save_func;
505         gpg_account_page.page.weight = 30.0;
506
507         prefs_account_register_page((PrefsPage *) &gpg_account_page);
508 }
509
510 void prefs_gpg_done()
511 {
512         prefs_gtk_unregister_page((PrefsPage *) &gpg_page);
513         prefs_account_unregister_page((PrefsPage *) &gpg_account_page);
514 }