* also allow pop-accounts to come without authentication options;
[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         gchar *url;
139
140         g_return_val_if_fail (account_mgr, NULL);
141         g_return_val_if_fail (account_data, NULL);
142
143         /* sanity checks */
144         if (account_data->proto == MODEST_PROTOCOL_TRANSPORT_STORE_UNKNOWN) {
145                 g_printerr ("modest: '%s' does not provide a protocol\n",
146                             account_data->account_name);
147                 return NULL;
148         }
149
150         TnyAccount *tny_account = NULL;
151         
152         switch (account_data->proto) {
153         case MODEST_PROTOCOL_TRANSPORT_SENDMAIL:
154         case MODEST_PROTOCOL_TRANSPORT_SMTP:
155                 tny_account = TNY_ACCOUNT(tny_camel_transport_account_new ()); break;
156         case MODEST_PROTOCOL_STORE_POP:
157                 tny_account = TNY_ACCOUNT(tny_camel_pop_store_account_new ()); break;
158         case MODEST_PROTOCOL_STORE_IMAP:
159                 tny_account = TNY_ACCOUNT(tny_camel_imap_store_account_new ()); break;
160         case MODEST_PROTOCOL_STORE_MAILDIR:
161         case MODEST_PROTOCOL_STORE_MBOX:
162                 tny_account = TNY_ACCOUNT(tny_camel_store_account_new()); break;
163         default:
164                 g_return_val_if_reached (NULL);
165         }
166         if (!tny_account) {
167                 g_printerr ("modest: could not create tny account for '%s'\n",
168                             account_data->account_name);
169                 return NULL;
170         }
171         tny_account_set_id (tny_account, account_data->account_name);
172
173         /* Proto */
174         const gchar* proto_name =
175                 modest_protocol_info_get_transport_store_protocol_name(account_data->proto);
176         tny_account_set_proto (tny_account, proto_name);
177
178                
179         /* mbox and maildir accounts use a URI instead of the rest: */
180         if (account_data->uri) 
181                 tny_account_set_url_string (TNY_ACCOUNT(tny_account), account_data->uri);
182         else {
183                 /* Set camel-specific options: */
184                 
185                 /* Enable secure connection settings: */
186                 const gchar* option_security = NULL;
187                 switch (account_data->security) {
188                 case MODEST_PROTOCOL_CONNECTION_NORMAL:
189                         option_security = MODEST_ACCOUNT_OPTION_SSL "=" MODEST_ACCOUNT_OPTION_SSL_NEVER;
190                         break;
191                 case MODEST_PROTOCOL_CONNECTION_SSL:
192                 case MODEST_PROTOCOL_CONNECTION_TLS:
193                         option_security = MODEST_ACCOUNT_OPTION_SSL "=" MODEST_ACCOUNT_OPTION_SSL_ALWAYS;;
194                         break;
195                 case MODEST_PROTOCOL_CONNECTION_TLS_OP:
196                         option_security = MODEST_ACCOUNT_OPTION_SSL "=" MODEST_ACCOUNT_OPTION_SSL_WHEN_POSSIBLE;
197                         break;
198                 default:
199                         break;
200                 }
201                 
202                 if(option_security)
203                         tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
204                                                       option_security);
205                 
206                 const gchar* auth_mech_name = NULL;
207                 switch (account_data->secure_auth) {
208                 case MODEST_PROTOCOL_AUTH_NONE:
209                         /* IMAP needs at least a password,
210                          * which camel uses if we specify NULL.
211                          * This setting should never happen anyway. */
212                         if (account_data->proto == MODEST_PROTOCOL_STORE_IMAP ||
213                             account_data->proto == MODEST_PROTOCOL_STORE_POP)
214                                 auth_mech_name = NULL;
215                         else if (account_data->proto == MODEST_PROTOCOL_TRANSPORT_SMTP)
216                                 auth_mech_name = MODEST_ACCOUNT_AUTH_ANONYMOUS;
217                         else
218                                 auth_mech_name = MODEST_ACCOUNT_AUTH_PLAIN;
219                         break;
220                         
221                 case MODEST_PROTOCOL_AUTH_PASSWORD:
222                         /* Camel use a password for IMAP if we specify NULL,
223                          * but will report an error if we use "Password", "Login" or "Plain". */
224                         if (account_data->proto == MODEST_PROTOCOL_STORE_IMAP)
225                                 auth_mech_name = NULL;
226                         else
227                                 auth_mech_name = MODEST_ACCOUNT_AUTH_PASSWORD;
228                         break;
229                         
230                 case MODEST_PROTOCOL_AUTH_CRAMMD5:
231                         auth_mech_name = MODEST_ACCOUNT_AUTH_CRAMMD5;
232                         break;
233                         
234                 default:
235                         g_warning ("%s: Unhandled secure authentication setting %d for "
236                                 "account=%s (%s)", __FUNCTION__, account_data->secure_auth,
237                                    account_data->account_name, account_data->hostname);
238                         break;
239                 }
240                 
241                 if(auth_mech_name) 
242                         tny_account_set_secure_auth_mech (tny_account, auth_mech_name);
243                 
244                 if (modest_protocol_info_protocol_is_store(account_data->proto)) {
245                         /* Other connection options. Some options are only valid for IMAP
246                            accounts but it's OK for just now since POP is still not
247                            supported */
248                         tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
249                                                       MODEST_ACCOUNT_OPTION_USE_LSUB);
250                         tny_camel_account_add_option (TNY_CAMEL_ACCOUNT (tny_account),
251                                                       MODEST_ACCOUNT_OPTION_CHECK_ALL);
252                 }
253                 
254                 if (account_data->username) 
255                         tny_account_set_user (tny_account, account_data->username);
256                 if (account_data->hostname)
257                         tny_account_set_hostname (tny_account, account_data->hostname);
258                  
259                 /* Set the port: */
260                 if (account_data->port)
261                         tny_account_set_port (tny_account, account_data->port);
262         }
263
264         /* FIXME: for debugging */
265         url = tny_account_get_url_string (TNY_ACCOUNT(tny_account));
266         g_message ("modest: account-url: %s", url);
267         g_free (url);
268         /***********************/
269         
270         return tny_account;
271 }
272
273
274 /* we need these dummy functions, or tinymail will complain */
275 static gchar*
276 get_pass_dummy (TnyAccount *account, const gchar *prompt, gboolean *cancel)
277 {
278         return NULL;
279 }
280 static void
281 forget_pass_dummy (TnyAccount *account)
282 {
283         /* intentionally left blank */
284 }
285
286 TnyAccount*
287 modest_tny_account_new_from_account (ModestAccountMgr *account_mgr, const gchar *account_name,
288                                      TnyAccountType type,
289                                      TnySessionCamel *session,
290                                      TnyGetPassFunc get_pass_func,
291                                      TnyForgetPassFunc forget_pass_func) 
292 {
293         TnyAccount *tny_account = NULL;
294         ModestAccountData *account_data = NULL;
295         ModestServerAccountData *server_data = NULL;
296
297         g_return_val_if_fail (account_mgr, NULL);
298         g_return_val_if_fail (account_name, NULL);
299
300         account_data = modest_account_mgr_get_account_data (account_mgr, account_name);
301         if (!account_data) {
302                 g_printerr ("modest: cannot get account data for account %s\n", account_name);
303                 return NULL;
304         }
305
306         if (type == TNY_ACCOUNT_TYPE_STORE && account_data->store_account)
307                 server_data = account_data->store_account;
308         else if (type == TNY_ACCOUNT_TYPE_TRANSPORT && account_data->transport_account)
309                 server_data = account_data->transport_account;
310         if (!server_data) {
311                 g_printerr ("modest: no %s account defined for '%s'\n",
312                             type == TNY_ACCOUNT_TYPE_STORE ? "store" : "transport",
313                             account_data->display_name);
314                 modest_account_mgr_free_account_data (account_mgr, account_data);
315                 return NULL;
316         }
317         
318         tny_account = modest_tny_account_new_from_server_account (account_mgr, server_data);
319         if (!tny_account) { 
320                 g_printerr ("modest: failed to create tny account for %s (%s)\n",
321                             account_data->account_name, server_data->account_name);
322                 modest_account_mgr_free_account_data (account_mgr, account_data);
323                 return NULL;
324         }
325         
326         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
327         tny_account_set_forget_pass_func (tny_account,
328                                           forget_pass_func ? forget_pass_func : forget_pass_dummy);
329         tny_account_set_pass_func (tny_account,
330                                    get_pass_func ? get_pass_func: get_pass_dummy);
331
332         /* This name is what shows up in the folder view -- so for some POP/IMAP/... server
333          * account, we set its name to the account of which it is part. */
334         if (account_data->display_name)
335                 tny_account_set_name (tny_account, account_data->display_name); 
336
337         g_object_set_data_full (G_OBJECT(tny_account), "modest_account",
338                                 (gpointer*) g_strdup (account_name), g_free);
339         
340         modest_account_mgr_free_account_data (account_mgr, account_data);
341
342         return tny_account;
343 }
344
345
346 TnyAccount*
347 modest_tny_account_new_for_local_folders (ModestAccountMgr *account_mgr, TnySessionCamel *session)
348 {
349         TnyStoreAccount *tny_account;
350         CamelURL *url;
351         gchar *maildir, *url_string;
352
353         g_return_val_if_fail (account_mgr, NULL);
354         
355         tny_account = tny_camel_store_account_new ();
356         if (!tny_account) {
357                 g_printerr ("modest: cannot create account for local folders");
358                 return NULL;
359         }
360         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
361         
362         maildir = modest_local_folder_info_get_maildir_path ();
363         url = camel_url_new ("maildir:", NULL);
364         camel_url_set_path (url, maildir);
365         /* Needed by tinymail's DBC assertions */
366         camel_url_set_host (url, "localhost");
367         url_string = camel_url_to_string (url, 0);
368         
369         tny_account_set_url_string (TNY_ACCOUNT(tny_account), url_string);
370
371         tny_account_set_name (TNY_ACCOUNT(tny_account), MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME); 
372         tny_account_set_id (TNY_ACCOUNT(tny_account), MODEST_LOCAL_FOLDERS_ACCOUNT_ID); 
373         tny_account_set_forget_pass_func (TNY_ACCOUNT(tny_account), forget_pass_dummy);
374         tny_account_set_pass_func (TNY_ACCOUNT(tny_account), get_pass_dummy);
375         
376         g_object_set_data (G_OBJECT(tny_account), "modest_account",
377                            (gpointer*)MODEST_LOCAL_FOLDERS_ACCOUNT_ID);
378         
379         camel_url_free (url);
380         g_free (maildir);
381         g_free (url_string);
382
383         return TNY_ACCOUNT(tny_account);
384 }
385
386 typedef gint (*TnyStatsFunc) (TnyFolderStats *stats);
387
388 typedef struct _RecurseFoldersHelper {
389         TnyStatsFunc function;
390         guint sum;
391         guint folders;
392 } RecurseFoldersHelper;
393
394 static void
395 recurse_folders (TnyFolderStore *store, 
396                  TnyFolderStoreQuery *query, 
397                  RecurseFoldersHelper *helper)
398 {
399         TnyIterator *iter;
400         TnyList *folders = tny_simple_list_new ();
401
402         tny_folder_store_get_folders (store, folders, query, NULL);
403         iter = tny_list_create_iterator (folders);
404
405         helper->folders += tny_list_get_length (folders);
406
407         while (!tny_iterator_is_done (iter)) {
408                 TnyFolderStats *stats;
409                 TnyFolder *folder;
410
411                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
412                 stats = tny_folder_get_stats (folder);
413
414                 /* initially, we sometimes get -1 from tinymail; ignore that */
415                 if (helper->function && helper->function (stats) > 0)
416                         helper->sum += helper->function (stats);
417
418                 recurse_folders (TNY_FOLDER_STORE (folder), query, helper);
419             
420                 g_object_unref (folder);
421                 g_object_unref (stats);
422                 tny_iterator_next (iter);
423         }
424          g_object_unref (G_OBJECT (iter));
425          g_object_unref (G_OBJECT (folders));
426 }
427
428 gint 
429 modest_tny_account_get_folder_count (TnyAccount *self)
430 {
431         RecurseFoldersHelper *helper;
432         gint retval;
433
434         g_return_val_if_fail (TNY_IS_ACCOUNT (self), -1);
435
436         /* Create helper */
437         helper = g_malloc0 (sizeof (RecurseFoldersHelper));
438         helper->function = NULL;
439         helper->sum = 0;
440         helper->folders = 0;
441
442         recurse_folders (TNY_FOLDER_STORE (self), NULL, helper);
443
444         retval = helper->folders;
445
446         g_free (helper);
447
448         return retval;
449 }
450
451 gint
452 modest_tny_account_get_message_count (TnyAccount *self)
453 {
454         RecurseFoldersHelper *helper;
455         gint retval;
456
457         g_return_val_if_fail (TNY_IS_ACCOUNT (self), -1);
458         
459         /* Create helper */
460         helper = g_malloc0 (sizeof (RecurseFoldersHelper));
461         helper->function = (TnyStatsFunc) tny_folder_stats_get_all_count;
462         helper->sum = 0;
463
464         recurse_folders (TNY_FOLDER_STORE (self), NULL, helper);
465
466         retval = helper->sum;
467
468         g_free (helper);
469
470         return retval;
471 }
472
473 gint 
474 modest_tny_account_get_local_size (TnyAccount *self)
475 {
476         RecurseFoldersHelper *helper;
477         gint retval;
478
479         g_return_val_if_fail (TNY_IS_ACCOUNT (self), -1);
480
481         /* Create helper */
482         helper = g_malloc0 (sizeof (RecurseFoldersHelper));
483         helper->function = (TnyStatsFunc) tny_folder_stats_get_local_size;
484         helper->sum = 0;
485
486         recurse_folders (TNY_FOLDER_STORE (self), NULL, helper);
487
488         retval = helper->sum;
489
490         g_free (helper);
491
492         return retval;
493 }