2e8df2f78b9dedfb36f22b4018df11290f4f3f4d
[modest] / src / modest-tny-account.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 <modest-tny-platform-factory.h>
31 #include <modest-tny-account.h>
32 #include <modest-tny-account-store.h>
33 #include <modest-runtime.h>
34 #include <tny-simple-list.h>
35 #include <modest-tny-folder.h>
36 #include <modest-account-mgr-helpers.h>
37 #include <tny-camel-transport-account.h>
38 #include <tny-camel-imap-store-account.h>
39 #include <tny-camel-pop-store-account.h>
40 #include <tny-folder-stats.h>
41
42 /* for now, ignore the account ===> the special folders are the same,
43  * local folders for all accounts
44  * this might change, ie, IMAP might have server-side sent-items
45  */
46 TnyFolder *
47 modest_tny_account_get_special_folder (TnyAccount *account,
48                                        TnyFolderType special_type)
49 {
50         TnyList *folders;
51         TnyIterator *iter;
52         TnyFolder *special_folder = NULL;
53         TnyAccount *local_account;
54         
55         g_return_val_if_fail (account, NULL);
56         g_return_val_if_fail (0 <= special_type && special_type < TNY_FOLDER_TYPE_NUM,
57                               NULL);
58         
59         local_account = modest_tny_account_store_get_tny_account_by_id (modest_runtime_get_account_store(),
60                                                                         MODEST_LOCAL_FOLDERS_ACCOUNT_ID);
61         if (!local_account) {
62                 g_printerr ("modest: cannot get local account\n");
63                 return NULL;
64         }
65
66         folders = TNY_LIST (tny_simple_list_new ());
67
68         /* no need to do this _async, as these are local folders */
69         tny_folder_store_get_folders (TNY_FOLDER_STORE (local_account),
70                                       folders, NULL, NULL);
71         iter = tny_list_create_iterator (folders);
72
73         while (!tny_iterator_is_done (iter)) {
74                 TnyFolder *folder =
75                         TNY_FOLDER (tny_iterator_get_current (iter));
76                 if (modest_tny_folder_get_local_folder_type (folder) == special_type) {
77                         special_folder = folder;
78                         break;
79                 }
80                 g_object_unref (G_OBJECT(folder));
81                 tny_iterator_next (iter);
82         }
83         g_object_unref (G_OBJECT (folders));
84         g_object_unref (G_OBJECT (iter));
85         g_object_unref (G_OBJECT (local_account));
86
87         return special_folder;
88 }
89
90 /* Camel options: */
91
92 /* These seem to be listed in 
93  * libtinymail-camel/camel-lite/camel/providers/imap/camel-imap-store.c 
94  */
95 #define MODEST_ACCOUNT_OPTION_SSL "use_ssl"
96 #define MODEST_ACCOUNT_OPTION_SSL_NEVER "never"
97 #define MODEST_ACCOUNT_OPTION_SSL_ALWAYS "always"
98 #define MODEST_ACCOUNT_OPTION_SSL_WHEN_POSSIBLE "when-possible"
99
100 /* These seem to be listed in 
101  * libtinymail-camel/camel-lite/camel/providers/imap/camel-imap-provider.c 
102  */
103 #define MODEST_ACCOUNT_OPTION_USE_LSUB "use_lsub" /* Show only subscribed folders */
104 #define MODEST_ACCOUNT_OPTION_CHECK_ALL "check_all" /* Check for new messages in all folders */
105
106
107 /* Posssible values for tny_account_set_secure_auth_mech().
108  * These might be camel-specific.
109  * Really, tinymail should use an enum.
110  * camel_sasl_authtype() seems to list some possible values.
111  */
112  
113 /* Note that evolution does not offer these for IMAP: */
114 #define MODEST_ACCOUNT_AUTH_PLAIN "PLAIN"
115 #define MODEST_ACCOUNT_AUTH_ANONYMOUS "ANONYMOUS"
116
117 /* Caeml's IMAP uses NULL instead for "Password".
118  * Also, not that Evolution offers "Password" for IMAP, but "Login" for SMTP.*/
119 #define MODEST_ACCOUNT_AUTH_PASSWORD "LOGIN" 
120 #define MODEST_ACCOUNT_AUTH_CRAMMD5 "CRAM-MD5"
121
122
123 /**
124  * modest_tny_account_new_from_server_account:
125  * @account_mgr: a valid account mgr instance
126  * @account_name: the server account name for which to create a corresponding tny account
127  * @type: the type of account to create (TNY_ACCOUNT_TYPE_STORE or TNY_ACCOUNT_TYPE_TRANSPORT)
128  * 
129  * get a tnyaccount corresponding to the server_accounts (store or transport) for this account.
130  * NOTE: this function does not set the camel session or the get/forget password functions
131  * 
132  * Returns: a new TnyAccount or NULL in case of error.
133  */
134 static TnyAccount*
135 modest_tny_account_new_from_server_account (ModestAccountMgr *account_mgr,
136                                             ModestServerAccountData *account_data)
137 {       
138         g_return_val_if_fail (account_mgr, NULL);
139         g_return_val_if_fail (account_data, NULL);
140
141         /* sanity checks */
142         if (account_data->proto == MODEST_PROTOCOL_TRANSPORT_STORE_UNKNOWN) {
143                 g_printerr ("modest: '%s' does not provide a protocol\n",
144                             account_data->account_name);
145                 return NULL;
146         }
147
148         TnyAccount *tny_account = NULL;
149         
150         switch (account_data->proto) {
151         case MODEST_PROTOCOL_TRANSPORT_SENDMAIL:
152         case MODEST_PROTOCOL_TRANSPORT_SMTP:
153                 tny_account = TNY_ACCOUNT(tny_camel_transport_account_new ()); break;
154         case MODEST_PROTOCOL_STORE_POP:
155                 tny_account = TNY_ACCOUNT(tny_camel_pop_store_account_new ()); break;
156         case MODEST_PROTOCOL_STORE_IMAP:
157                 tny_account = TNY_ACCOUNT(tny_camel_imap_store_account_new ()); break;
158         case MODEST_PROTOCOL_STORE_MAILDIR:
159         case MODEST_PROTOCOL_STORE_MBOX:
160                 tny_account = TNY_ACCOUNT(tny_camel_store_account_new()); break;
161         default:
162                 g_return_val_if_reached (NULL);
163         }
164         if (!tny_account) {
165                 g_printerr ("modest: could not create tny account for '%s'\n",
166                             account_data->account_name);
167                 return NULL;
168         }
169         tny_account_set_id (tny_account, account_data->account_name);
170
171         /* Proto */
172         const gchar* proto_name = modest_protocol_info_get_transport_store_protocol_name(account_data->proto);
173         tny_account_set_proto (tny_account, proto_name);
174
175                
176         /* mbox and maildir accounts use a URI instead of the rest: */
177         if (account_data->uri) 
178                 tny_account_set_url_string (TNY_ACCOUNT(tny_account), account_data->uri);
179         else {
180                 /* Set camel-specific options: */
181                 
182                 /* Enable secure connection settings: */
183                 const gchar* option_security = NULL;
184                 switch (account_data->security) {
185                 case MODEST_PROTOCOL_CONNECTION_NORMAL:
186                         option_security = MODEST_ACCOUNT_OPTION_SSL "= " MODEST_ACCOUNT_OPTION_SSL_NEVER;
187                         break;
188                 case MODEST_PROTOCOL_CONNECTION_SSL:
189                 case MODEST_PROTOCOL_CONNECTION_TLS:
190                         option_security = MODEST_ACCOUNT_OPTION_SSL "= " MODEST_ACCOUNT_OPTION_SSL_ALWAYS;;
191                         break;
192                 case MODEST_PROTOCOL_CONNECTION_TLS_OP:
193                         option_security = MODEST_ACCOUNT_OPTION_SSL "= " MODEST_ACCOUNT_OPTION_SSL_WHEN_POSSIBLE;
194                         break;
195                 default:
196                         break;
197                 }
198                 
199                 if(option_security) {
200                         tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
201                                                       option_security);
202                 }
203                 
204
205                 const gchar* auth_mech_name = NULL;
206                 switch (account_data->secure_auth) {
207                 case MODEST_PROTOCOL_AUTH_NONE:
208                         /* IMAP needs at least a password,
209                          * which camel uses if we specify NULL.
210                          * This setting should never happen anyway. */
211                         if (account_data->proto == MODEST_PROTOCOL_STORE_IMAP)
212                                 auth_mech_name = NULL;
213                         else if (account_data->proto == MODEST_PROTOCOL_TRANSPORT_SMTP)
214                                 auth_mech_name = MODEST_ACCOUNT_AUTH_ANONYMOUS;
215                         else
216                                 auth_mech_name = MODEST_ACCOUNT_AUTH_PLAIN;
217                         break;
218                         
219                 case MODEST_PROTOCOL_AUTH_PASSWORD:
220                         /* Camel use a password for IMAP if we specify NULL,
221                          * but will report an error if we use "Password", "Login" or "Plain". */
222                         if (account_data->proto == MODEST_PROTOCOL_STORE_IMAP)
223                                 auth_mech_name = NULL;
224                         else
225                                 auth_mech_name = MODEST_ACCOUNT_AUTH_PASSWORD;
226                         break;
227                         
228                 case MODEST_PROTOCOL_AUTH_CRAMMD5:
229                         auth_mech_name = MODEST_ACCOUNT_AUTH_CRAMMD5;
230                         
231                 default:
232                         g_warning ("%s: Unhandled secure authentication setting %d for "
233                                 "account=%s", __FUNCTION__, account_data->secure_auth, account_data->account_name);
234                         break;
235                 }
236                 
237                 if(auth_mech_name) {
238                         tny_account_set_secure_auth_mech (tny_account, auth_mech_name);
239                 }
240                 
241                 if (modest_protocol_info_protocol_is_store(account_data->proto)) {
242                         /* Other connection options. Some options are only valid for IMAP
243                            accounts but it's OK for just now since POP is still not
244                            supported */
245                         tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
246                                                                       MODEST_ACCOUNT_OPTION_USE_LSUB);
247                         tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
248                                                                       MODEST_ACCOUNT_OPTION_CHECK_ALL);
249                 }
250                 
251                 if (account_data->username) 
252                         tny_account_set_user (tny_account, account_data->username);
253                 if (account_data->hostname)
254                         tny_account_set_hostname (tny_account, account_data->hostname);
255                  
256                 /* Set the port: */
257                 if (account_data->port)
258                         tny_account_set_port (tny_account, account_data->port);
259         }
260         
261         
262         return tny_account;
263 }
264
265
266 /* we need these dummy functions, or tinymail will complain */
267 static gchar*
268 get_pass_dummy (TnyAccount *account, const gchar *prompt, gboolean *cancel)
269 {
270         return NULL;
271 }
272 static void
273 forget_pass_dummy (TnyAccount *account)
274 {
275         /* intentionally left blank */
276 }
277
278 TnyAccount*
279 modest_tny_account_new_from_account (ModestAccountMgr *account_mgr, const gchar *account_name,
280                                      TnyAccountType type,
281                                      TnySessionCamel *session,
282                                      TnyGetPassFunc get_pass_func,
283                                      TnyForgetPassFunc forget_pass_func) 
284 {
285         TnyAccount *tny_account = NULL;
286         ModestAccountData *account_data = NULL;
287         ModestServerAccountData *server_data = NULL;
288
289         g_return_val_if_fail (account_mgr, NULL);
290         g_return_val_if_fail (account_name, NULL);
291
292         account_data = modest_account_mgr_get_account_data (account_mgr, account_name);
293         if (!account_data) {
294                 g_printerr ("modest: cannot get account data for account %s\n", account_name);
295                 return NULL;
296         }
297
298         if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
299                 server_data = account_data->store_account;
300         else if (type == TNY_ACCOUNT_TYPE_TRANSPORT && account_data->transport_account)
301                 server_data = account_data->transport_account;
302         if (!server_data) {
303                 g_printerr ("modest: no %s account defined for '%s'\n",
304                             type == TNY_ACCOUNT_TYPE_STORE ? "store" : "transport",
305                             account_data->display_name);
306                 modest_account_mgr_free_account_data (account_mgr, account_data);
307                 return NULL;
308         }
309         
310         tny_account = modest_tny_account_new_from_server_account (account_mgr, server_data);
311         if (!tny_account) { 
312                 g_printerr ("modest: failed to create tny account for %s (%s)\n",
313                             account_data->account_name, server_data->account_name);
314                 modest_account_mgr_free_account_data (account_mgr, account_data);
315                 return NULL;
316         }
317         
318         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
319         tny_account_set_forget_pass_func (tny_account,
320                                           forget_pass_func ? forget_pass_func : forget_pass_dummy);
321         tny_account_set_pass_func (tny_account,
322                                    get_pass_func ? get_pass_func: get_pass_dummy);
323
324         /* This name is what shows up in the folder view -- so for some POP/IMAP/... server
325          * account, we set its name to the account of which it is part. */
326         if (account_data->display_name)
327                 tny_account_set_name (tny_account, account_data->display_name); 
328
329         g_object_set_data_full (G_OBJECT(tny_account), "modest_account",
330                                 (gpointer*) g_strdup (account_name), g_free);
331         
332         modest_account_mgr_free_account_data (account_mgr, account_data);
333         return tny_account;
334 }
335
336
337 TnyAccount*
338 modest_tny_account_new_for_local_folders (ModestAccountMgr *account_mgr, TnySessionCamel *session)
339 {
340         TnyStoreAccount *tny_account;
341         CamelURL *url;
342         gchar *maildir, *url_string;
343
344         g_return_val_if_fail (account_mgr, NULL);
345         
346         tny_account = tny_camel_store_account_new ();
347         if (!tny_account) {
348                 g_printerr ("modest: cannot create account for local folders");
349                 return NULL;
350         }
351         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
352         
353         maildir = modest_local_folder_info_get_maildir_path ();
354         url = camel_url_new ("maildir:", NULL);
355         camel_url_set_path (url, maildir);
356         /* Needed by tinymail's DBC assertions */
357         camel_url_set_host (url, "localhost");
358         url_string = camel_url_to_string (url, 0);
359         
360         tny_account_set_url_string (TNY_ACCOUNT(tny_account), url_string);
361
362         tny_account_set_name (TNY_ACCOUNT(tny_account), MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME); 
363         tny_account_set_id (TNY_ACCOUNT(tny_account), MODEST_LOCAL_FOLDERS_ACCOUNT_ID); 
364         tny_account_set_forget_pass_func (TNY_ACCOUNT(tny_account), forget_pass_dummy);
365         tny_account_set_pass_func (TNY_ACCOUNT(tny_account), get_pass_dummy);
366         
367         g_object_set_data (G_OBJECT(tny_account), "modest_account",
368                            (gpointer*)MODEST_LOCAL_FOLDERS_ACCOUNT_ID);
369         
370         camel_url_free (url);
371         g_free (maildir);
372         g_free (url_string);
373
374         return TNY_ACCOUNT(tny_account);
375 }
376
377 typedef gint (*TnyStatsFunc) (TnyFolderStats *stats);
378
379 typedef struct _RecurseFoldersHelper {
380         TnyStatsFunc function;
381         guint sum;
382         guint folders;
383 } RecurseFoldersHelper;
384
385 static void
386 recurse_folders (TnyFolderStore *store, 
387                  TnyFolderStoreQuery *query, 
388                  RecurseFoldersHelper *helper)
389 {
390         TnyIterator *iter;
391         TnyList *folders = tny_simple_list_new ();
392
393         tny_folder_store_get_folders (store, folders, query, NULL);
394         iter = tny_list_create_iterator (folders);
395
396         helper->folders += tny_list_get_length (folders);
397
398         while (!tny_iterator_is_done (iter))
399         {
400                 TnyFolderStats *stats;
401                 TnyFolder *folder;
402
403                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
404                 stats = tny_folder_get_stats (folder);
405
406                 if (helper->function)
407                         helper->sum += helper->function (stats);
408
409                 recurse_folders (TNY_FOLDER_STORE (folder), query, helper);
410             
411                 g_object_unref (folder);
412                 g_object_unref (stats);
413                 tny_iterator_next (iter);
414         }
415          g_object_unref (G_OBJECT (iter));
416          g_object_unref (G_OBJECT (folders));
417 }
418
419 gint 
420 modest_tny_account_get_folder_count (TnyAccount *self)
421 {
422         RecurseFoldersHelper *helper;
423         gint retval;
424
425         g_return_val_if_fail (TNY_IS_ACCOUNT (self), -1);
426
427         /* Create helper */
428         helper = g_malloc0 (sizeof (RecurseFoldersHelper));
429         helper->function = NULL;
430         helper->sum = 0;
431         helper->folders = 0;
432
433         recurse_folders (TNY_FOLDER_STORE (self), NULL, helper);
434
435         retval = helper->folders;
436
437         g_free (helper);
438
439         return retval;
440 }
441
442 gint
443 modest_tny_account_get_message_count (TnyAccount *self)
444 {
445         RecurseFoldersHelper *helper;
446         gint retval;
447
448         g_return_val_if_fail (TNY_IS_ACCOUNT (self), -1);
449
450         /* Create helper */
451         helper = g_malloc0 (sizeof (RecurseFoldersHelper));
452         helper->function = (TnyStatsFunc) tny_folder_stats_get_all_count;
453         helper->sum = 0;
454
455         recurse_folders (TNY_FOLDER_STORE (self), NULL, helper);
456
457         retval = helper->sum;
458
459         g_free (helper);
460
461         return retval;
462 }
463
464 gint 
465 modest_tny_account_get_local_size (TnyAccount *self)
466 {
467         RecurseFoldersHelper *helper;
468         gint retval;
469
470         g_return_val_if_fail (TNY_IS_ACCOUNT (self), -1);
471
472         /* Create helper */
473         helper = g_malloc0 (sizeof (RecurseFoldersHelper));
474         helper->function = (TnyStatsFunc) tny_folder_stats_get_local_size;
475         helper->sum = 0;
476
477         recurse_folders (TNY_FOLDER_STORE (self), NULL, helper);
478
479         retval = helper->sum;
480
481         g_free (helper);
482
483         return retval;
484 }