2007-07-09 Murray Cumming <murrayc@murrayc.com>
[modest] / src / maemo / modest-maemo-utils.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #ifndef DBUS_API_SUBJECT_TO_CHANGE
31 #define DBUS_API_SUBJECT_TO_CHANGE
32 #endif /*DBUS_API_SUBJECT_TO_CHANGE*/
33
34 #include <dbus/dbus.h>
35 #include <dbus/dbus-glib-lowlevel.h>
36 #include <glib.h>
37 #include <modest-runtime.h>
38 #include <libgnomevfs/gnome-vfs.h>
39 #include <tny-fs-stream.h>
40 #include <tny-camel-account.h>
41 #include <tny-status.h>
42 #include <tny-camel-transport-account.h>
43 #include <tny-camel-imap-store-account.h>
44 #include <tny-camel-pop-store-account.h>
45 #include "modest-hildon-includes.h"
46
47 #include "modest-maemo-utils.h"
48
49 /*
50  * For getting and tracking the Bluetooth name
51  */
52 #define BTNAME_SERVICE                  "org.bluez"
53 #define BTNAME_REQUEST_IF               "org.bluez.Adapter"
54 #define BTNAME_SIGNAL_IF                "org.bluez.Adapter"
55 #define BTNAME_REQUEST_PATH             "/org/bluez/hci0"
56 #define BTNAME_SIGNAL_PATH              "/org/bluez/hci0"
57
58 #define BTNAME_REQ_GET                  "GetName"
59 #define BTNAME_SIG_CHANGED              "NameChanged"
60
61 #define BTNAME_MATCH_RULE "type='signal',interface='" BTNAME_SIGNAL_IF \
62                           "',member='" BTNAME_SIG_CHANGED "'"
63
64 GQuark modest_maemo_utils_get_supported_secure_authentication_error_quark (void)
65 {
66         return g_quark_from_static_string("modest-maemo-utils-get-supported-secure-authentication-error-quark");
67 }
68
69 GtkWidget*
70 modest_maemo_utils_menubar_to_menu (GtkUIManager *ui_manager)
71 {
72         GtkWidget *main_menu;
73         GtkWidget *menubar;
74         GList *iter;
75
76         g_return_val_if_fail (ui_manager, NULL);
77         
78         /* Create new main menu */
79         main_menu = gtk_menu_new();
80
81         /* Get the menubar from the UI manager */
82         menubar = gtk_ui_manager_get_widget (ui_manager, "/MenuBar");
83
84         iter = gtk_container_get_children (GTK_CONTAINER (menubar));
85         while (iter) {
86                 GtkWidget *menu;
87
88                 menu = GTK_WIDGET (iter->data);
89                 gtk_widget_reparent(menu, main_menu);
90
91                 iter = g_list_next (iter);
92         }
93         return main_menu;
94 }
95
96
97 static void
98 update_device_name_from_msg (DBusMessage *message)
99 {
100         DBusError error;
101         DBusMessageIter iter;
102
103         dbus_error_init (&error);
104
105         if (dbus_set_error_from_message (&error, message)) {
106                 g_printerr ("modest: failed to get bluetooth name: %s\n", error.message);
107                 dbus_error_free (&error);
108         } else {
109                 const gchar *device_name;
110                 if (!dbus_message_iter_init (message, &iter)) {
111                         g_printerr ("modest: message did not have argument\n");
112                         return;
113                 }
114                 dbus_message_iter_get_basic (&iter, &device_name);
115                 g_warning ("update device name: %s", device_name);
116                 modest_conf_set_string (modest_runtime_get_conf(),
117                                         MODEST_CONF_DEVICE_NAME, device_name,
118                                         NULL);
119         }
120 }
121
122
123 static void
124 on_device_name_received (DBusPendingCall *call, void *user_data)
125 {
126         DBusMessage *message;
127         
128         g_return_if_fail (dbus_pending_call_get_completed (call));
129         
130         message = dbus_pending_call_steal_reply (call);
131         if (!message) {
132                 g_printerr ("modest: no reply on device name query\n");
133                 return;
134         }
135
136         update_device_name_from_msg (message);
137         dbus_message_unref (message);
138 }
139
140
141 static DBusHandlerResult
142 handle_dbus_signal (DBusConnection *conn, DBusMessage *msg, gpointer data)
143 {
144         if (dbus_message_is_signal(msg, BTNAME_SIGNAL_IF, BTNAME_SIG_CHANGED))
145                 update_device_name_from_msg (msg);
146
147         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
148 }
149
150
151 static void
152 get_device_name_from_dbus ()
153 {
154         static DBusConnection *conn = NULL;
155         DBusMessage *request;
156         DBusError error;
157         DBusPendingCall *call = NULL;
158         
159         dbus_error_init (&error);
160         if (!conn) {
161                 conn = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
162                 if (!conn) {
163                         g_printerr ("modest: cannot get on the dbus: %s: %s\n",
164                                     error.name, error.message);
165                         dbus_error_free (&error);
166                         return;
167                 }
168         }
169         
170         request = dbus_message_new_method_call (BTNAME_SERVICE, BTNAME_REQUEST_PATH,
171                                                 BTNAME_REQUEST_IF, BTNAME_REQ_GET);
172         if (!request) {
173                 /* should we free the connection? */
174                 g_printerr ("modest: dbus_message_new_method_call failed\n");
175                 return;
176         }
177         dbus_message_set_auto_start (request, TRUE);
178         if (dbus_connection_send_with_reply (conn, request, &call, -1)) {
179                 dbus_pending_call_set_notify (call, on_device_name_received,
180                                               NULL, NULL);
181                 dbus_pending_call_unref (call);
182         }
183         dbus_message_unref (request);
184         
185         dbus_connection_setup_with_g_main (conn, NULL);
186         dbus_bus_add_match (conn, BTNAME_MATCH_RULE, &error);
187         if (dbus_error_is_set(&error)) {
188                 g_printerr ("modest: dbus_bus_add_match failed: %s\n", error.message);
189                 dbus_error_free (&error);
190         }
191
192         if (!dbus_connection_add_filter(conn, handle_dbus_signal, NULL, NULL))
193                 g_printerr ("modest: dbus_connection_add_filter failed\n");
194 }
195
196
197 void
198 modest_maemo_utils_get_device_name (void)
199 {
200         get_device_name_from_dbus ();
201 }
202
203 gboolean 
204 modest_maemo_utils_folder_writable (const gchar *filename)
205 {
206         if (g_strncasecmp (filename, "obex", 4) != 0) {
207                 GnomeVFSFileInfo folder_info;
208                 gchar *folder;
209                 folder = g_path_get_dirname (filename);
210                 gnome_vfs_get_file_info (folder, &folder_info,
211                                          GNOME_VFS_FILE_INFO_GET_ACCESS_RIGHTS);
212                 g_free (folder);
213                 if (!((folder_info.permissions & GNOME_VFS_PERM_ACCESS_WRITABLE) ||
214                       (folder_info.permissions & GNOME_VFS_PERM_USER_WRITE))) {
215                         return FALSE;
216                 }
217         }
218         return TRUE;
219 }
220
221 gboolean 
222 modest_maemo_utils_file_exists (const gchar *filename)
223 {
224         GnomeVFSURI *uri = NULL;
225         gboolean result = FALSE;
226
227         uri = gnome_vfs_uri_new (filename);
228         if (uri) {
229                 result = gnome_vfs_uri_exists (uri);
230                 gnome_vfs_uri_unref (uri);
231         }
232         return result;
233 }
234
235 TnyFsStream *
236 modest_maemo_utils_create_temp_stream (const gchar *extension, gchar **path)
237 {
238         TnyStream *tmp_fs_stream = NULL;
239         gint fd;
240         gchar *filepath = NULL;
241         gchar *template = NULL;
242
243         if (extension != NULL)
244                 template = g_strdup_printf ("XXXXXX.%s", extension);
245
246         fd = g_file_open_tmp (template, &filepath, NULL);
247         g_free (template);
248         if (path != NULL)
249                 *path = filepath;
250         if (fd == -1) {
251                 g_message ("TODO BANNER: Error saving stream");
252                 return NULL;
253         }
254         tmp_fs_stream = tny_fs_stream_new (fd);
255         
256         return TNY_FS_STREAM (tmp_fs_stream);
257 }
258
259 typedef struct 
260 {
261         gboolean cancel;
262         GList *result;
263         GtkWidget* dialog;
264         GtkWidget* progress;
265         GError* error;
266 } ModestGetSupportedAuthInfo;
267
268 static void on_camel_account_get_supported_secure_authentication_status (
269         GObject *self, TnyStatus *status, gpointer user_data)
270 {
271         /*ModestGetSupportedAuthInfo* info = (ModestGetSupportedAuthInfo*) user_data;*/
272 }
273
274 static gboolean
275 on_idle_secure_auth_finished (gpointer user_data)
276 {
277         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
278         /* Operation has finished, close the dialog. Control continues after
279          * gtk_dialog_run in modest_maemo_utils_get_supported_secure_authentication_methods() */
280         gdk_threads_enter();
281         gtk_dialog_response (GTK_DIALOG (info->dialog), GTK_RESPONSE_ACCEPT);
282         gdk_threads_leave();
283         return FALSE;
284 }
285
286 static void
287 on_camel_account_get_supported_secure_authentication (
288   TnyCamelAccount *self, gboolean cancelled,
289   TnyList *auth_types, GError **err, 
290   gpointer user_data)
291 {
292                 
293         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
294         g_return_if_fail (info);
295
296         gdk_threads_enter();
297
298         /* Free everything if the actual action was canceled */
299         if (info->cancel)
300         {
301                 /* The operation was canceled and the ownership of the info given to us
302                  * so that we could still check the cancel flag. */
303                 g_slice_free (ModestGetSupportedAuthInfo, info);
304                 info = NULL;
305         }
306         else
307         {
308                 /* TODO: Why is this a pointer to a pointer? We are not supposed to
309                  * set it, are we? */
310                 if(err != NULL && *err != NULL)
311                 {
312                         if(info->error != NULL) g_error_free(info->error);
313                         info->error = g_error_copy(*err);
314                 }
315
316                 if (!auth_types) {
317                         printf ("DEBUG: %s: auth_types is NULL.\n", __FUNCTION__);
318                 }
319                 else
320                 {
321                         ModestPairList* pairs = modest_protocol_info_get_auth_protocol_pair_list ();
322   
323                         /* Get the enum value for the strings: */
324                         GList *result = NULL;
325                         TnyIterator* iter = tny_list_create_iterator(auth_types);
326                         while (!tny_iterator_is_done(iter)) {
327                                 const gchar *auth_name = tny_pair_get_name(TNY_PAIR(tny_iterator_get_current(iter)));
328                                 printf("DEBUG: %s: auth_name=%s\n", __FUNCTION__, auth_name);
329                                 ModestPair *matching = modest_pair_list_find_by_first_as_string (pairs, 
330                                         auth_name);
331                                 if (matching)
332                                 {
333                                         result = g_list_append (result, GINT_TO_POINTER((ModestConnectionProtocol)matching->first));
334                                 }
335                                 tny_iterator_next(iter);
336                         }
337         
338                         g_object_unref(auth_types);
339
340                         modest_pair_list_free (pairs);
341         
342                         info->result = result;
343                 }
344
345                 printf("DEBUG: finished\n");
346
347                 /* Close the dialog in a main thread */
348                 g_idle_add(on_idle_secure_auth_finished, info);
349         }
350
351         gdk_threads_leave();
352 }
353
354 static void on_secure_auth_cancel(GtkWidget* dialog, int response, gpointer user_data)
355 {
356         if(response == GTK_RESPONSE_REJECT || response == GTK_RESPONSE_DELETE_EVENT)
357         {
358                 ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
359                 g_return_if_fail(info);
360                 /* This gives the ownership of the info to the worker thread. */
361                 info->result = NULL;
362                 info->cancel = TRUE;
363         }
364 }
365
366 GList* modest_maemo_utils_get_supported_secure_authentication_methods (ModestTransportStoreProtocol proto, 
367         const gchar* hostname, gint port, const gchar* username, GtkWindow *parent_window, GError** error)
368 {
369         g_return_val_if_fail (proto != MODEST_PROTOCOL_TRANSPORT_STORE_UNKNOWN, NULL);
370         
371         /*
372         result = g_list_append (result, GINT_TO_POINTER (MODEST_PROTOCOL_AUTH_CRAMMD5));
373         */
374         
375         /* Create a TnyCamelAccount so we can use 
376          * tny_camel_account_get_supported_secure_authentication(): */
377         TnyAccount * tny_account = NULL;
378         switch (proto) {
379         case MODEST_PROTOCOL_TRANSPORT_SENDMAIL:
380         case MODEST_PROTOCOL_TRANSPORT_SMTP:
381                 tny_account = TNY_ACCOUNT(tny_camel_transport_account_new ()); break;
382         case MODEST_PROTOCOL_STORE_POP:
383                 tny_account = TNY_ACCOUNT(tny_camel_pop_store_account_new ()); break;
384         case MODEST_PROTOCOL_STORE_IMAP:
385                 tny_account = TNY_ACCOUNT(tny_camel_imap_store_account_new ()); break;
386         case MODEST_PROTOCOL_STORE_MAILDIR:
387         case MODEST_PROTOCOL_STORE_MBOX:
388                 tny_account = TNY_ACCOUNT(tny_camel_store_account_new()); break;
389         default:
390                 tny_account = NULL;
391         }
392
393         /* TODO: Handle connection requests. */
394         
395         if (!tny_account) {
396                 g_printerr ("%s could not create tny account.", __FUNCTION__);
397                 return NULL;
398         }
399         
400         /* Set proto, so that the prepare_func() vfunc will work when we call 
401          * set_session(): */
402          /* TODO: Why isn't this done in account_new()? */
403         tny_account_set_proto (tny_account,
404                                modest_protocol_info_get_transport_store_protocol_name(proto));
405
406         tny_account_set_hostname (tny_account, hostname);
407         /* Required for POP, at least */
408         tny_account_set_user (tny_account, username);
409                                
410         /* Set the session for the account, so we can use it: */
411         ModestTnyAccountStore *account_store = modest_runtime_get_account_store ();
412         TnySessionCamel *session = 
413                 modest_tny_account_store_get_session (TNY_ACCOUNT_STORE (account_store));
414         g_return_val_if_fail (session, NULL);
415         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
416         
417         if(port > 0)
418                 tny_account_set_port (tny_account, port);
419                 
420
421         /* Ask camel to ask the server, asynchronously: */
422         ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
423         info->result = NULL;
424         info->cancel = FALSE;
425         info->error = NULL;
426         info->progress = gtk_progress_bar_new();
427         info->dialog = gtk_dialog_new_with_buttons(_("Authentication"),
428                                                    parent_window, GTK_DIALOG_MODAL,
429                                                    GTK_STOCK_CANCEL,
430                                                    GTK_RESPONSE_REJECT,
431                                                    NULL);
432         //gtk_window_set_default_size(GTK_WINDOW(info->dialog), 300, 100);
433         
434         g_signal_connect(G_OBJECT(info->dialog), "response", G_CALLBACK(on_secure_auth_cancel), info);
435         
436         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
437                           gtk_label_new("Checking for supported authentication types..."));
438         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), info->progress);
439         gtk_widget_show_all(info->dialog);
440         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(info->progress));
441         
442         printf ("DEBUG: %s: STARTING.\n", __FUNCTION__);
443         tny_camel_account_get_supported_secure_authentication (
444                 TNY_CAMEL_ACCOUNT (tny_account),
445                 on_camel_account_get_supported_secure_authentication,
446                 on_camel_account_get_supported_secure_authentication_status,
447                 info);
448
449         gtk_dialog_run (GTK_DIALOG (info->dialog));
450         
451         gtk_widget_destroy(info->dialog);
452                 
453         GList *result = info->result;
454         if (!info->cancel)
455         {
456                 if(info->error != NULL)
457                         g_propagate_error(error, info->error);
458
459                 g_slice_free (ModestGetSupportedAuthInfo, info);
460                 info = NULL;
461         }
462         else
463         {
464                 // Tell the caller that the operation was canceled so it can
465                 // make a difference
466                 g_set_error(error,
467                             modest_maemo_utils_get_supported_secure_authentication_error_quark(),
468                             MODEST_MAEMO_UTILS_GET_SUPPORTED_SECURE_AUTHENTICATION_ERROR_CANCELED,
469                             "User has canceled query");
470         }
471
472         return result;
473 }
474
475 void
476 modest_maemo_utils_setup_images_filechooser (GtkFileChooser *chooser)
477 {
478         gchar *images_folder;
479         GtkFileFilter *file_filter;
480         GList *image_mimetypes_list;
481         GList *node;
482
483         g_return_if_fail (GTK_IS_FILE_CHOOSER (chooser));
484
485         /* Set the default folder to images folder */
486         images_folder = g_build_filename (g_get_home_dir (), 
487                                           MODEST_MAEMO_UTILS_MYDOCS_FOLDER,
488                                           MODEST_MAEMO_UTILS_DEFAULT_IMAGE_FOLDER, NULL);
489         gtk_file_chooser_set_current_folder (chooser, images_folder);
490         g_free (images_folder);
491
492         /* Set the images mime filter */
493         file_filter = gtk_file_filter_new ();
494 #ifdef MODEST_HAVE_HILDON0_WIDGETS
495         image_mimetypes_list = osso_mime_get_mime_types_for_category (OSSO_MIME_CATEGORY_IMAGES);
496 #else
497         image_mimetypes_list = hildon_mime_get_mime_types_for_category (HILDON_MIME_CATEGORY_IMAGES);
498 #endif
499         for (node = image_mimetypes_list; node != NULL; node = g_list_next (node)) {
500                 gtk_file_filter_add_mime_type (file_filter, node->data);
501         }
502         gtk_file_chooser_set_filter (chooser, file_filter);
503 #ifdef MODEST_HAVE_HILDON0_WIDGETS
504         osso_mime_types_list_free (image_mimetypes_list);
505 #else
506         hildon_mime_types_list_free (image_mimetypes_list);
507 #endif
508
509 }
510
511 static void
512 on_response (GtkDialog *dialog, gint response, gpointer user_data)
513 {
514         /* Just destroy the dialog: */
515         gtk_widget_destroy (GTK_WIDGET (dialog));
516 }
517
518 void modest_maemo_show_information_note_and_forget (GtkWindow *parent_window, const gchar* message)
519 {
520         GtkDialog *dialog = GTK_DIALOG (hildon_note_new_information (parent_window, message));
521         
522         /* Destroy the dialog when it is closed: */
523         g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (on_response), NULL);
524         gtk_widget_show (GTK_WIDGET (dialog));
525 }
526