824a67dec87b52b848cd7b34774c3492a28cfe8b
[modest] / src / modest-tny-account-store.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 #include <string.h>
31 #include <glib/gi18n.h>
32
33 #include <tny-account.h>
34 #include <tny-account-store.h>
35 #include <tny-store-account.h>
36 #include <tny-error.h>
37 #include <tny-transport-account.h>
38 #include <tny-simple-list.h>
39 #include <tny-account-store.h>
40 #include <tny-camel-transport-account.h>
41 #include <tny-camel-imap-store-account.h>
42 #include <tny-camel-pop-store-account.h>
43
44 #include <modest-runtime.h>
45 #include <modest-marshal.h>
46 #include <modest-protocol-info.h>
47 #include <modest-local-folder-info.h>
48 #include <modest-tny-account.h>
49 #include <modest-account-mgr.h>
50 #include <modest-account-mgr-helpers.h>
51
52 #include "modest-tny-account-store.h"
53 #include "modest-tny-platform-factory.h"
54 #include <tny-gtk-lockable.h>
55 #include <camel/camel.h>
56
57 #ifdef MODEST_PLATFORM_MAEMO
58 #include <tny-maemo-conic-device.h>
59 #ifdef MODEST_HILDON_VERSION_0
60 #include <hildon-widgets/hildon-note.h>
61 #else
62 #include <hildon/hildon-note.h>
63 #endif
64 #endif
65
66 /* 'private'/'protected' functions */
67 static void modest_tny_account_store_class_init   (ModestTnyAccountStoreClass *klass);
68 //static void modest_tny_account_store_init         (ModestTnyAccountStore *obj);
69 static void modest_tny_account_store_finalize     (GObject *obj);
70
71 /* implementations for tny-account-store-iface */
72 static void    modest_tny_account_store_instance_init (ModestTnyAccountStore *obj);
73 static void    modest_tny_account_store_init          (gpointer g, gpointer iface_data);
74
75
76 static GSList*
77 get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type);
78
79
80 /* list my signals */
81 enum {
82         ACCOUNT_UPDATE_SIGNAL,
83         PASSWORD_REQUESTED_SIGNAL,
84         LAST_SIGNAL
85 };
86
87 typedef struct _ModestTnyAccountStorePrivate ModestTnyAccountStorePrivate;
88 struct _ModestTnyAccountStorePrivate {
89         gchar              *cache_dir;  
90         GHashTable         *password_hash;
91         ModestAccountMgr   *account_mgr;
92         TnySessionCamel    *session;
93         TnyDevice          *device;
94         
95         /* we cache them here */
96         GSList             *store_accounts;
97         GSList             *transport_accounts;
98 };
99
100 #define MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
101                                                       MODEST_TYPE_TNY_ACCOUNT_STORE, \
102                                                       ModestTnyAccountStorePrivate))
103
104 /* globals */
105 static GObjectClass *parent_class = NULL;
106
107 static guint signals[LAST_SIGNAL] = {0};
108
109 GType
110 modest_tny_account_store_get_type (void)
111 {
112         static GType my_type = 0;
113
114         if (!my_type) {
115                 static const GTypeInfo my_info = {
116                         sizeof(ModestTnyAccountStoreClass),
117                         NULL,           /* base init */
118                         NULL,           /* base finalize */
119                         (GClassInitFunc) modest_tny_account_store_class_init,
120                         NULL,           /* class finalize */
121                         NULL,           /* class data */
122                         sizeof(ModestTnyAccountStore),
123                         0,              /* n_preallocs */
124                         (GInstanceInitFunc) modest_tny_account_store_instance_init,
125                         NULL
126                 };
127
128                 static const GInterfaceInfo iface_info = {
129                         (GInterfaceInitFunc) modest_tny_account_store_init,
130                         NULL,         /* interface_finalize */
131                         NULL          /* interface_data */
132                 };
133                 /* hack hack */
134                 my_type = g_type_register_static (G_TYPE_OBJECT,
135                                                   "ModestTnyAccountStore",
136                                                   &my_info, 0);
137                 g_type_add_interface_static (my_type, TNY_TYPE_ACCOUNT_STORE,
138                                              &iface_info);
139         }
140         return my_type;
141 }
142
143 static void
144 modest_tny_account_store_class_init (ModestTnyAccountStoreClass *klass)
145 {
146         GObjectClass *gobject_class;
147         gobject_class = (GObjectClass*) klass;
148
149         parent_class            = g_type_class_peek_parent (klass);
150         gobject_class->finalize = modest_tny_account_store_finalize;
151
152         g_type_class_add_private (gobject_class,
153                                   sizeof(ModestTnyAccountStorePrivate));
154
155          signals[ACCOUNT_UPDATE_SIGNAL] =
156                 g_signal_new ("account_update",
157                               G_TYPE_FROM_CLASS (gobject_class),
158                               G_SIGNAL_RUN_FIRST,
159                               G_STRUCT_OFFSET(ModestTnyAccountStoreClass, account_update),
160                               NULL, NULL,
161                               g_cclosure_marshal_VOID__STRING,
162                               G_TYPE_NONE, 1, G_TYPE_STRING);
163          
164          signals[PASSWORD_REQUESTED_SIGNAL] =
165                  g_signal_new ("password_requested",
166                                G_TYPE_FROM_CLASS (gobject_class),
167                                G_SIGNAL_RUN_FIRST,
168                                G_STRUCT_OFFSET(ModestTnyAccountStoreClass, password_requested),
169                                NULL, NULL,
170                                modest_marshal_VOID__STRING_POINTER_POINTER_POINTER_POINTER,
171                                G_TYPE_NONE, 5, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER,
172                                G_TYPE_POINTER);
173 }
174
175
176 static void
177 modest_tny_account_store_instance_init (ModestTnyAccountStore *obj)
178 {
179         ModestTnyAccountStorePrivate *priv =
180                 MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
181
182         priv->cache_dir              = NULL;
183         priv->account_mgr            = NULL;
184         priv->session                = NULL;
185         priv->device                 = NULL;
186         
187         /* An in-memory store of passwords, 
188          * for passwords that are not remembered in the configuration,
189          * so they need to be asked for from the user once in each session:
190          */
191         priv->password_hash          = g_hash_table_new_full (g_str_hash, g_str_equal,
192                                                               g_free, g_free);
193 }
194
195
196
197 static void
198 account_list_free (GSList *accounts)
199 {
200         GSList *cursor = accounts;
201
202         while (cursor) {
203                 if (G_IS_OBJECT(cursor->data)) { /* check twice... */
204                         const gchar *id = tny_account_get_id(TNY_ACCOUNT(cursor->data));
205                         modest_runtime_verify_object_last_ref(cursor->data,id);
206                 }                       
207                 g_object_unref (G_OBJECT(cursor->data));
208                 cursor = cursor->next;
209         }
210         g_slist_free (accounts);
211 }
212
213
214 static void
215 on_account_removed (ModestAccountMgr *acc_mgr, const gchar *account, gboolean server_account,
216                     gpointer user_data)
217 {
218         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(user_data);
219         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
220
221         /* FIXME: make this more finegrained; changes do not really affect _all_
222          * accounts, and some do not affect tny accounts at all (such as 'last_update')
223          */
224         
225         account_list_free (priv->store_accounts);
226         priv->store_accounts = get_server_accounts (TNY_ACCOUNT_STORE(self), NULL, TNY_ACCOUNT_TYPE_STORE);
227         
228         account_list_free (priv->transport_accounts);
229         priv->transport_accounts = get_server_accounts (TNY_ACCOUNT_STORE(self), NULL,
230                                                         TNY_ACCOUNT_TYPE_TRANSPORT);
231                 
232         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
233                        account);
234 }
235
236
237 static void
238 on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account,
239                     const gchar *key, gboolean server_account, gpointer user_data)
240
241 {
242         ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
243         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
244         
245         /* FIXME: make this more finegrained; changes do not really affect _all_
246          * accounts, and some do not affect tny accounts at all (such as 'last_update')
247          */
248         if (server_account) {
249                 if (priv->store_accounts) {
250                         account_list_free (priv->store_accounts);
251                         priv->store_accounts =
252                                 get_server_accounts (TNY_ACCOUNT_STORE(self),
253                                                      NULL, TNY_ACCOUNT_TYPE_STORE);
254                 }
255                 
256                 if (priv->transport_accounts) {
257                         account_list_free (priv->transport_accounts);
258                         priv->transport_accounts =
259                                 get_server_accounts (TNY_ACCOUNT_STORE(self), NULL,
260                                                      TNY_ACCOUNT_TYPE_TRANSPORT);
261                 }
262         }
263
264         g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
265                        account);
266 }
267
268
269 static ModestTnyAccountStore*
270 get_account_store_for_account (TnyAccount *account)
271 {
272         return MODEST_TNY_ACCOUNT_STORE(g_object_get_data (G_OBJECT(account),
273                                                            "account_store"));
274 }
275
276 /* This callback will be called by Tinymail when it needs the password
277  * from the user, for instance if the password was not remembered.
278  * Note that TnyAccount here will be the server account. */
279 static gchar*
280 get_password (TnyAccount *account, const gchar *prompt, gboolean *cancel)
281 {
282         /* Initialize the output parameter: */
283         if (cancel)
284           *cancel = FALSE;
285           
286         const gchar *key;
287         const TnyAccountStore *account_store;
288         ModestTnyAccountStore *self;
289         ModestTnyAccountStorePrivate *priv;
290         gchar *username = NULL;
291         gchar *pwd = NULL;
292         gpointer pwd_ptr;
293         gboolean already_asked;
294         
295         key           = tny_account_get_id (account);
296         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
297         
298         self = MODEST_TNY_ACCOUNT_STORE (account_store);
299         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
300         
301         /* This hash map stores passwords, including passwords that are not stored in gconf. */
302         /* is it in the hash? if it's already there, it must be wrong... */
303         pwd_ptr = (gpointer)&pwd; /* pwd_ptr so the compiler does not complained about
304                                    * type-punned ptrs...*/
305         already_asked = g_hash_table_lookup_extended (priv->password_hash,
306                                                       key,
307                                                       NULL,
308                                                       (gpointer*)&pwd_ptr);
309
310         /* if the password is not already there, try ModestConf */
311         if (!already_asked) {
312                 pwd  = modest_account_mgr_get_string (priv->account_mgr,
313                                                       key, MODEST_ACCOUNT_PASSWORD, TRUE);
314                 g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup (pwd));
315         }
316
317         /* if it was already asked, it must have been wrong, so ask again */
318         if (already_asked || !pwd || strlen(pwd) == 0) {
319                 /* we don't have it yet. Get the password from the user */
320                 const gchar* account_id = tny_account_get_id (account);
321                 gboolean remember = FALSE;
322                 pwd = NULL;
323                 
324                 /* Note that we ignore the returned username here,
325                  * because it is enough that it will be stored in gconf 
326                  * by the signal handler. */
327                 g_signal_emit (G_OBJECT(self), signals[PASSWORD_REQUESTED_SIGNAL], 0,
328                                account_id, /* server_account_name */
329                                &username, &pwd, cancel, &remember);
330                 
331                 if (!*cancel) {
332                         if (remember)
333                                 modest_account_mgr_set_string (priv->account_mgr,key,
334                                                                MODEST_ACCOUNT_PASSWORD,
335                                                                pwd, TRUE);
336                         /* We need to dup the string even knowing that
337                            it's already a dup of the contents of an
338                            entry, because it if it's wrong, then camel
339                            will free it */
340                         g_hash_table_insert (priv->password_hash, g_strdup (key), g_strdup(pwd));
341                 } else {
342                         g_hash_table_remove (priv->password_hash, key);
343                         
344                         g_free (pwd);
345                         pwd = NULL;
346                 }
347
348                 g_free (username);
349                 username = NULL;
350         } else
351                 *cancel = FALSE;
352  
353     /* printf("  DEBUG: %s: returning %s\n", __FUNCTION__, pwd); */
354         
355         return pwd;
356 }
357
358 /* tinymail calls this if the connection failed due to an incorrect password.
359  * And it seems to call this for any general connection failure. */
360 static void
361 forget_password (TnyAccount *account)
362 {
363         printf ("DEBUG: %s\n", __FUNCTION__);
364         ModestTnyAccountStore *self;
365         ModestTnyAccountStorePrivate *priv;
366         const TnyAccountStore *account_store;
367         gchar *pwd;
368         const gchar *key;
369         
370         account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
371         self = MODEST_TNY_ACCOUNT_STORE (account_store);
372         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
373         key  = tny_account_get_id (account);
374
375         /* Do not remove the key, this will allow us to detect that we
376            have already asked for it at least once */
377         pwd = g_hash_table_lookup (priv->password_hash, key);
378         if (pwd) {
379                 memset (pwd, 0, strlen (pwd));
380                 g_hash_table_insert (priv->password_hash, g_strdup (key), NULL);
381         }
382
383         /* Remove from configuration system */
384         modest_account_mgr_unset (priv->account_mgr,
385                                   key, MODEST_ACCOUNT_PASSWORD, TRUE);
386 }
387
388
389 static void
390 modest_tny_account_store_finalize (GObject *obj)
391 {
392         ModestTnyAccountStore *self        = MODEST_TNY_ACCOUNT_STORE(obj);
393         ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
394         
395         //gboolean debug = modest_runtime_get_debug_flags() & MODEST_RUNTIME_DEBUG_DEBUG_OBJECTS;
396
397         g_free (priv->cache_dir);
398         priv->cache_dir = NULL;
399         
400         if (priv->password_hash) {
401                 g_hash_table_destroy (priv->password_hash);
402                 priv->password_hash = NULL;
403         }
404
405         if (priv->account_mgr) {
406                 g_object_unref (G_OBJECT(priv->account_mgr));
407                 priv->account_mgr = NULL;
408         }
409
410         if (priv->device) {
411                 g_object_unref (G_OBJECT(priv->device));
412                 priv->device = NULL;
413         }
414
415         /* this includes the local folder */
416         account_list_free (priv->store_accounts);
417         priv->store_accounts = NULL;
418         
419         account_list_free (priv->transport_accounts);
420         priv->transport_accounts = NULL;
421
422         if (priv->session) {
423                 camel_object_unref (CAMEL_OBJECT(priv->session));
424                 priv->session = NULL;
425         }
426         
427         G_OBJECT_CLASS(parent_class)->finalize (obj);
428 }
429
430
431 ModestTnyAccountStore*
432 modest_tny_account_store_new (ModestAccountMgr *account_mgr, TnyDevice *device) {
433
434         GObject *obj;
435         ModestTnyAccountStorePrivate *priv;
436         TnyList *list; 
437         
438         g_return_val_if_fail (account_mgr, NULL);
439         g_return_val_if_fail (device, NULL);
440
441         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_ACCOUNT_STORE, NULL));
442         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(obj);
443
444         priv->account_mgr = g_object_ref (G_OBJECT(account_mgr));
445         priv->device = g_object_ref (device);
446         
447         priv->session = tny_session_camel_new (TNY_ACCOUNT_STORE(obj));
448         
449         tny_session_camel_set_ui_locker (priv->session,  tny_gtk_lockable_new ());
450         /* FIXME: unref this in the end? */
451         tny_session_camel_set_async_connecting (priv->session, TRUE);
452         
453         /* force a cache fill... ugly */
454         list = TNY_LIST(tny_simple_list_new());
455         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(obj), list,
456                                         TNY_ACCOUNT_STORE_BOTH);
457         g_object_unref(list);
458         
459         /* Connect signals */
460         g_signal_connect (G_OBJECT(account_mgr), "account_changed",
461                                        G_CALLBACK (on_account_changed), obj);
462         g_signal_connect (G_OBJECT(account_mgr), "account_removed",
463                                        G_CALLBACK (on_account_removed), obj);
464
465         return MODEST_TNY_ACCOUNT_STORE(obj);
466 }
467
468
469 static void
470 get_cached_accounts (TnyAccountStore *self, TnyList *list, TnyAccountType type)
471 {
472         ModestTnyAccountStorePrivate *priv;
473         GSList                       *accounts, *cursor;
474         
475         priv     = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
476         accounts = (type == TNY_ACCOUNT_TYPE_STORE ? priv->store_accounts : priv->transport_accounts);
477
478         cursor = accounts;
479         while (cursor) {
480                 tny_list_prepend (list, G_OBJECT(cursor->data));
481                 cursor = cursor->next;
482         }
483 }
484
485
486
487 /* this function fills the TnyList, and also returns a GSList of the accounts,
488  * for caching purposes
489  */
490 static GSList*
491 get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type)
492 {
493         ModestTnyAccountStorePrivate *priv = NULL;
494         GSList                       *account_names = NULL, *cursor = NULL;
495         GSList                       *accounts = NULL;
496         
497         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
498
499         /* these account names, not server_account names */
500         account_names = modest_account_mgr_account_names (priv->account_mgr,FALSE);
501                 
502         for (cursor = account_names; cursor; cursor = cursor->next) {
503                 
504                 gchar *account_name = (gchar*)cursor->data;
505                 
506                 /* we get the server_accounts for enabled accounts */
507                 if (modest_account_mgr_get_enabled(priv->account_mgr, account_name)) {
508                         TnyAccount *tny_account = 
509                                 modest_tny_account_new_from_account (priv->account_mgr,
510                                                                      account_name,
511                                                                      type, priv->session,
512                                                                      get_password,
513                                                                      forget_password);
514                         if (tny_account) {
515                                 g_object_set_data (G_OBJECT(tny_account), "account_store",
516                                                    (gpointer)self);
517                                 if (list)
518                                         tny_list_prepend (list, G_OBJECT(tny_account));
519                                 
520                                 accounts = g_slist_append (accounts, tny_account); /* cache it */
521                         } else
522                                 g_printerr ("modest: failed to create account for %s\n",
523                                             account_name);
524                 }
525                 g_free (account_name);
526         }
527         g_slist_free (account_names);
528
529         /* also, add the local folder pseudo-account */
530         if (type == TNY_ACCOUNT_TYPE_STORE) {
531                 TnyAccount *tny_account =
532                         modest_tny_account_new_for_local_folders (priv->account_mgr, priv->session);
533                 if (list)
534                         tny_list_prepend (list, G_OBJECT(tny_account));
535                 accounts = g_slist_append (accounts, tny_account); /* cache it */
536         }       
537         return accounts;
538 }       
539
540
541 static void
542 modest_tny_account_store_get_accounts  (TnyAccountStore *self, TnyList *list,
543                                         TnyGetAccountsRequestType request_type)
544 {
545         ModestTnyAccountStorePrivate *priv;
546         
547         g_return_if_fail (self);
548         g_return_if_fail (TNY_IS_LIST(list));
549         
550         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
551         
552         if (request_type == TNY_ACCOUNT_STORE_BOTH) {
553                 modest_tny_account_store_get_accounts (self, list,
554                                                        TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
555                 modest_tny_account_store_get_accounts (self, list,
556                                                        TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS);
557                 return;
558         }
559         
560         if (request_type == TNY_ACCOUNT_STORE_STORE_ACCOUNTS)  {
561                 if (!priv->store_accounts)
562                         priv->store_accounts =
563                                 get_server_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
564                 else
565                         get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_STORE);
566                 
567         } else if (request_type == TNY_ACCOUNT_STORE_TRANSPORT_ACCOUNTS) {
568                 if (!priv->transport_accounts)
569                         priv->transport_accounts =
570                                 get_server_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
571                 else
572                         get_cached_accounts (self, list, TNY_ACCOUNT_TYPE_TRANSPORT);
573         } else
574                 g_return_if_reached (); /* incorrect req type */
575 }
576
577
578 static const gchar*
579 modest_tny_account_store_get_cache_dir (TnyAccountStore *self)
580 {
581         ModestTnyAccountStorePrivate *priv;
582         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
583         
584         if (!priv->cache_dir)
585                 priv->cache_dir = g_build_filename (g_get_home_dir(), 
586                                                     MODEST_DIR, MODEST_CACHE_DIR, NULL);
587         return priv->cache_dir;
588 }
589
590
591 /*
592  * callers need to unref
593  */
594 static TnyDevice*
595 modest_tny_account_store_get_device (TnyAccountStore *self)
596 {
597         ModestTnyAccountStorePrivate *priv;
598
599         g_return_val_if_fail (self, NULL);
600         
601         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
602
603         if (priv->device)
604                 return g_object_ref (G_OBJECT(priv->device));
605         else
606                 return NULL;
607 }
608
609
610 static TnyAccount*
611 modest_tny_account_store_find_account_by_url (TnyAccountStore *self, const gchar* url_string)
612 {
613         TnyAccount *account = NULL;
614         ModestTnyAccountStorePrivate *priv;     
615         GSList *cursor;
616         
617         g_return_val_if_fail (self, NULL);
618         g_return_val_if_fail (url_string, NULL);
619         
620         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
621
622         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
623                 if (tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), url_string)) {
624                         account = TNY_ACCOUNT(cursor->data);
625                         break;
626                 }
627         }
628
629         if (!account) {
630                 for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
631                         if (tny_account_matches_url_string (TNY_ACCOUNT(cursor->data), url_string)) {
632                                 account = TNY_ACCOUNT(cursor->data);
633                                 break;
634                         }
635                 }
636         }
637
638         if (account)
639                 g_object_ref (G_OBJECT(account));
640
641         return account;
642 }
643
644
645
646 static gboolean
647 modest_tny_account_store_alert (TnyAccountStore *self, TnyAlertType type,
648                                 gboolean question, const GError *error)
649 {
650         g_return_val_if_fail (error, FALSE);
651
652         if ((error->domain != TNY_ACCOUNT_ERROR) 
653                 && (error->domain != TNY_ACCOUNT_STORE_ERROR)) {
654                 g_warning("%s: Unexpected error domain: != TNY_ACCOUNT_ERROR: %d, message=%s", 
655                         __FUNCTION__, error->domain, error->message); 
656                 return FALSE;
657         }
658         
659         /* printf("DEBUG: %s: error->message=%s\n", __FUNCTION__, error->message); */
660         
661
662         /* const gchar *prompt = NULL; */
663         gchar *prompt = NULL;
664         switch (error->code) {
665                 case TNY_ACCOUNT_ERROR_TRY_CONNECT:
666                 /* The tinymail camel implementation just sends us this for almost 
667                  * everything, so we have to guess at the cause.
668                  * It could be a wrong password, or inability to resolve a hostname, 
669                  * or lack of network, or something entirely different: */
670                 case TNY_ACCOUNT_STORE_ERROR_UNKNOWN_ALERT: 
671                     g_debug ("%s: Handling GError domain=%d, code=%d, message=%s", 
672                                 __FUNCTION__, error->domain, error->code, error->message);
673                         
674                         /* TODO: Remove the internal error message for the real release.
675                          * This is just so the testers can give us more information: */
676                         /* prompt = _("Modest account not yet fully configured."); */
677                         prompt = g_strdup_printf(_("Modest account not yet fully configured. Error=%s"), 
678                                 error->message);
679                         break;
680                 default:
681                         g_warning ("%s: Unhandled GError code: %d, message=%s", 
682                                 __FUNCTION__, error->code, error->message);
683                         prompt = NULL;
684                 break;
685         }
686         
687         if (!prompt)
688                 return FALSE;
689
690 #ifdef MODEST_PLATFORM_MAEMO
691         /* The Tinymail documentation says that we should show Yes and No buttons, 
692          * when it is a question.
693          * Obviously, we need tinymail to use more specific error codes instead,
694          * so we know what buttons to show. */
695          GtkWidget *dialog = NULL;
696          if (question) {
697                 dialog = GTK_WIDGET (hildon_note_new_confirmation (NULL, 
698                         prompt));
699          } else {
700                 dialog = GTK_WIDGET (hildon_note_new_information (NULL, 
701                         prompt));
702          }
703 #else
704
705         GtkMessageType gtktype = GTK_MESSAGE_ERROR;
706         switch (type)
707         {
708                 case TNY_ALERT_TYPE_INFO:
709                 gtktype = GTK_MESSAGE_INFO;
710                 break;
711                 case TNY_ALERT_TYPE_WARNING:
712                 gtktype = GTK_MESSAGE_WARNING;
713                 break;
714                 case TNY_ALERT_TYPE_ERROR:
715                 default:
716                 gtktype = GTK_MESSAGE_ERROR;
717                 break;
718         }
719         
720         GtkWidget *dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
721                 gtktype, GTK_BUTTONS_YES_NO, prompt);
722 #endif /* #ifdef MODEST_PLATFORM_MAEMO */
723
724         gboolean retval = TRUE;
725         const int response = gtk_dialog_run (GTK_DIALOG (dialog));
726         if (question) {
727                 retval = (response == GTK_RESPONSE_YES) ||
728                                  (response == GTK_RESPONSE_OK); 
729         }
730
731         gtk_widget_destroy (dialog);
732         
733         /* TODO: Don't free this when we no longer strdup the message for testers. */
734         g_free (prompt);
735
736
737         printf("DEBUG: %s: returning %d\n", __FUNCTION__, retval);
738         return retval;
739 }
740
741
742 static void
743 modest_tny_account_store_init (gpointer g, gpointer iface_data)
744 {
745         TnyAccountStoreIface *klass;
746
747         g_return_if_fail (g);
748
749         klass = (TnyAccountStoreIface *)g;
750
751         klass->get_accounts_func =
752                 modest_tny_account_store_get_accounts;
753         klass->get_cache_dir_func =
754                 modest_tny_account_store_get_cache_dir;
755         klass->get_device_func =
756                 modest_tny_account_store_get_device;
757         klass->alert_func =
758                 modest_tny_account_store_alert;
759         klass->find_account_func =
760                 modest_tny_account_store_find_account_by_url;
761 }
762
763 void
764 modest_tny_account_store_set_get_pass_func (ModestTnyAccountStore *self,
765                                             ModestTnyGetPassFunc func)
766 {
767         /* not implemented, we use signals */
768         g_printerr ("modest: set_get_pass_func not implemented\n");
769 }
770
771 TnySessionCamel*
772 modest_tny_account_store_get_session  (TnyAccountStore *self)
773 {
774         g_return_val_if_fail (self, NULL);
775         return MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE (self)->session;
776 }
777
778
779 TnyAccount*
780 modest_tny_account_store_get_tny_account_by_id  (ModestTnyAccountStore *self, const gchar *id)
781 {
782         TnyAccount *account = NULL;
783         ModestTnyAccountStorePrivate *priv;     
784         GSList *cursor;
785
786         g_return_val_if_fail (self, NULL);
787         g_return_val_if_fail (id, NULL);
788         
789         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
790
791
792         for (cursor = priv->store_accounts; cursor ; cursor = cursor->next) {
793                 const gchar *acc_id = tny_account_get_id (TNY_ACCOUNT(cursor->data));
794                 if (acc_id && strcmp (acc_id, id) == 0) {
795                         account = TNY_ACCOUNT(cursor->data);
796                         break;
797                 }
798         }
799                 
800         /* if we already found something, no need to search the transport accounts */
801         for (cursor = priv->transport_accounts; !account && cursor ; cursor = cursor->next) {
802                 const gchar *acc_id = tny_account_get_id (TNY_ACCOUNT(cursor->data));
803                 if (acc_id && strcmp (acc_id, id) == 0) {
804                         account = TNY_ACCOUNT(cursor->data);
805                         break;
806                 }
807         }
808
809         if (account)
810                 g_object_ref (G_OBJECT(account));
811         
812         return account;
813 }
814
815 TnyAccount*
816 modest_tny_account_store_get_tny_account_by_account (ModestTnyAccountStore *self,
817                                                      const gchar *account_name,
818                                                      TnyAccountType type)
819 {
820         TnyAccount *account = NULL;
821         gchar *id = NULL;
822         ModestTnyAccountStorePrivate *priv;     
823
824         g_return_val_if_fail (self, NULL);
825         g_return_val_if_fail (account_name, NULL);
826         g_return_val_if_fail (type == TNY_ACCOUNT_TYPE_STORE || type == TNY_ACCOUNT_TYPE_TRANSPORT,
827                               NULL);
828         
829         priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
830
831         /* Special case for the local account */
832         if (!strcmp (account_name, MODEST_LOCAL_FOLDERS_ACCOUNT_ID)) {
833                 id = g_strdup (MODEST_LOCAL_FOLDERS_ACCOUNT_ID);
834         } else {
835                 ModestAccountData *account_data;
836
837                 account_data = modest_account_mgr_get_account_data (priv->account_mgr, account_name);
838                 if (!account_data) {
839                         g_printerr ("modest: cannot get account data for account '%s'\n", account_name);
840                         return NULL;
841                 }
842
843                 if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
844                         id = g_strdup (account_data->store_account->account_name);
845                 else if (account_data->transport_account)
846                         id = g_strdup (account_data->transport_account->account_name);
847
848                 modest_account_mgr_free_account_data (priv->account_mgr, account_data);
849         }
850
851         if (!id)
852                 g_printerr ("modest: could not get an id for account %s\n",
853                             account_name);
854         else    
855                 account = modest_tny_account_store_get_tny_account_by_id (self, id);
856
857         if (!account)
858                 g_printerr ("modest: could not get tny %s account for %s (id=%s)\n",
859                             type == TNY_ACCOUNT_TYPE_STORE? "store" : "transport",
860                             account_name, id ? id : "<none>");
861
862         return account; 
863 }
864
865 static TnyAccount*
866 get_smtp_specific_transport_account_for_open_connection (ModestTnyAccountStore *self,
867                                                          const gchar *account_name)
868 {
869         /* Get the current connection: */
870         TnyDevice *device = modest_runtime_get_device ();
871         
872         if (!tny_device_is_online (device))
873                 return NULL;
874
875 #ifdef MODEST_PLATFORM_MAEMO
876         g_assert (TNY_IS_MAEMO_CONIC_DEVICE (device));
877         TnyMaemoConicDevice *maemo_device = TNY_MAEMO_CONIC_DEVICE (device);    
878         const gchar* iap_id = tny_maemo_conic_device_get_current_iap_id (maemo_device);
879         if (!iap_id)
880                 return NULL;
881                 
882         ConIcIap* connection = tny_maemo_conic_device_get_iap (maemo_device, iap_id);
883         if (!connection)
884                 return NULL;
885                 
886         const gchar *connection_name = con_ic_iap_get_name (connection);
887         if (!connection_name)
888                 return NULL;
889         
890         /*  Get the connection-specific transport acccount, if any: */
891         ModestAccountMgr *account_manager = modest_runtime_get_account_mgr ();
892         gchar* server_account_name = modest_account_mgr_get_connection_specific_smtp (account_manager, 
893                 account_name, connection_name);
894                 
895         if (!server_account_name)
896                 return NULL; /* No connection-specific SMTP server was specified for this connection. */
897                 
898         TnyAccount* account = modest_tny_account_store_get_tny_account_by_id (self, server_account_name);
899         g_free (server_account_name);   
900
901         /* Unref the get()ed object, as required by the tny_maemo_conic_device_get_iap() documentation. */
902         g_object_unref (connection);
903         
904         return account;
905 #else
906         return NULL; /* TODO: Implement this for GNOME, instead of just Maemo? */
907 #endif /* MODEST_PLATFORM_MAEMO */
908 }
909
910                                                                  
911 TnyAccount*
912 modest_tny_account_store_get_transport_account_for_open_connection (ModestTnyAccountStore *self,
913                                                                     const gchar *account_name)
914 {
915         /*  Get the connection-specific transport acccount, if any: */
916         TnyAccount *account = get_smtp_specific_transport_account_for_open_connection (self, account_name);
917                         
918         /* If there is no connection-specific transport account (the common case), 
919          * just get the regular transport account: */
920         if (!account) {         
921                 account = modest_tny_account_store_get_tny_account_by_account (self, account_name, 
922                                                      TNY_ACCOUNT_TYPE_TRANSPORT);
923         }
924                              
925         return account;
926 }