git.maemo.org Git - modest/blob - src/modest-utils.c

   1 /* Copyright (c) 2007, 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 <glib.h>
  31 #include <glib/gstdio.h>
  32 #include <errno.h>
  33 #include <string.h> /* for strlen */
  34 #include <modest-runtime.h>
  35 #include <libgnomevfs/gnome-vfs.h>
  36 #include <tny-fs-stream.h>
  37 #include <tny-camel-account.h>
  38 #include <tny-status.h>
  39 #include <tny-camel-transport-account.h>
  40 #include <tny-camel-imap-store-account.h>
  41 #include <tny-camel-pop-store-account.h>
  42
  43 #include <modest-defs.h>
  44 #include "modest-utils.h"
  45 #include "modest-platform.h"
  46 #include <modest-local-folder-info.h>
  47
  48 GQuark
  49 modest_utils_get_supported_secure_authentication_error_quark (void)
  50 {
  51         return g_quark_from_static_string("modest-utils-get-supported-secure-authentication-error-quark");
  52 }
  53
  54 gboolean
  55 modest_utils_folder_writable (const gchar *filename)
  56 {
  57         g_return_val_if_fail (filename, FALSE);
  58
  59         if (!filename)
  60                 return FALSE;
  61
  62         if (g_strncasecmp (filename, "obex", 4) != 0) {
  63                 GnomeVFSFileInfo *folder_info;
  64                 gchar *folder;
  65                 folder = g_path_get_dirname (filename);
  66                 folder_info = gnome_vfs_file_info_new ();
  67                 gnome_vfs_get_file_info (folder, folder_info,
  68                                          GNOME_VFS_FILE_INFO_GET_ACCESS_RIGHTS);
  69                 g_free (folder);
  70                 if (!((folder_info->permissions & GNOME_VFS_PERM_ACCESS_WRITABLE) ||
  71                       (folder_info->permissions & GNOME_VFS_PERM_USER_WRITE))) {
  72                         return FALSE;
  73                 }
  74                 gnome_vfs_file_info_unref (folder_info);
  75         }
  76         return TRUE;
  77 }
  78
  79 gboolean
  80 modest_utils_file_exists (const gchar *filename)
  81 {
  82         GnomeVFSURI *uri = NULL;
  83         gboolean result = FALSE;
  84
  85         g_return_val_if_fail (filename, FALSE);
  86
  87         uri = gnome_vfs_uri_new (filename);
  88         if (uri) {
  89                 result = gnome_vfs_uri_exists (uri);
  90                 gnome_vfs_uri_unref (uri);
  91         }
  92         return result;
  93 }
  94
  95 TnyFsStream *
  96 modest_utils_create_temp_stream (const gchar *orig_name, const gchar *hash_base, gchar **path)
  97 {
  98         gint fd;
  99         gchar *filepath = NULL;
 100         gchar *tmpdir;
 101         guint hash_number;
 102
 103         /* hmmm... maybe we need a modest_text_utils_validate_file_name? */
 104         g_return_val_if_fail (orig_name && strlen(orig_name) != 0, NULL);
 105
 106         if (strlen(orig_name) > 200) {
 107                 g_warning ("%s: filename too long ('%s')",
 108                            __FUNCTION__, orig_name);
 109                 return NULL;
 110         }
 111
 112         if (g_strstr_len (orig_name, strlen(orig_name), "/") != NULL) {
 113                 g_warning ("%s: filename contains '/' character(s) (%s)",
 114                            __FUNCTION__, orig_name);
 115                 return NULL;
 116         }
 117
 118         /* make a random subdir under /tmp or /var/tmp */
 119         if (hash_base != NULL) {
 120                 hash_number = g_str_hash (hash_base);
 121         } else {
 122                 hash_number = (guint) random ();
 123         }
 124         tmpdir = g_strdup_printf ("%s/%u", g_get_tmp_dir (), hash_number);
 125         if ((g_access (tmpdir, R_OK) == -1) && (g_mkdir (tmpdir, 0755) == -1)) {
 126                 g_warning ("%s: failed to create dir '%s': %s",
 127                            __FUNCTION__, tmpdir, g_strerror(errno));
 128                 g_free (tmpdir);
 129                 return NULL;
 130         }
 131
 132         filepath = g_strconcat (tmpdir, "/", orig_name, NULL);
 133         /* don't overwrite if it already exists, even if it is writable */
 134         if (modest_utils_file_exists (filepath)) {
 135                 if (path!=NULL) {
 136                         *path = filepath;
 137                 } else {
 138                         g_free (filepath);
 139                 }
 140                 g_free (tmpdir);
 141                 return NULL;
 142         } else {
 143                 /* try to write the file there */
 144                 fd = g_open (filepath, O_CREAT|O_WRONLY|O_TRUNC, 0644);
 145                 if (fd == -1) {
 146                         g_warning ("%s: failed to create '%s': %s",
 147                                         __FUNCTION__, filepath, g_strerror(errno));
 148                         g_free (filepath);
 149                         g_free (tmpdir);
 150                         return NULL;
 151                 }
 152         }
 153
 154         g_free (tmpdir);
 155
 156         if (path)
 157                 *path = filepath;
 158
 159         return TNY_FS_STREAM (tny_fs_stream_new (fd));
 160 }
 161
 162 typedef struct
 163 {
 164         gboolean cancel;
 165         GList *result;
 166         GtkWidget* dialog;
 167         GtkWidget* progress;
 168         GError* error;
 169 } ModestGetSupportedAuthInfo;
 170
 171 static void on_camel_account_get_supported_secure_authentication_status (
 172         GObject *self, TnyStatus *status, gpointer user_data)
 173 {
 174         /*ModestGetSupportedAuthInfo* info = (ModestGetSupportedAuthInfo*) user_data;*/
 175 }
 176
 177 static gboolean
 178 on_idle_secure_auth_finished (gpointer user_data)
 179 {
 180         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
 181         /* Operation has finished, close the dialog. Control continues after
 182          * gtk_dialog_run in modest_utils_get_supported_secure_authentication_methods() */
 183
 184         /* This is a GDK lock because we are an idle callback and
 185          * the code below is or does Gtk+ code */
 186
 187         gdk_threads_enter(); /* CHECKED */
 188         gtk_dialog_response (GTK_DIALOG (info->dialog), GTK_RESPONSE_ACCEPT);
 189         gdk_threads_leave(); /* CHECKED */
 190
 191         return FALSE;
 192 }
 193
 194 static void
 195 on_camel_account_get_supported_secure_authentication (TnyCamelAccount *self, gboolean cancelled,
 196         TnyList *auth_types, GError *err, gpointer user_data)
 197 {
 198         g_return_if_fail (TNY_IS_CAMEL_ACCOUNT(self));
 199         g_return_if_fail (TNY_IS_LIST(auth_types));
 200
 201         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
 202         g_return_if_fail (info);
 203
 204
 205         /* Free everything if the actual action was canceled */
 206         if (info->cancel) {
 207                 /* The operation was canceled and the ownership of the info given to us
 208                  * so that we could still check the cancel flag. */
 209                 g_slice_free (ModestGetSupportedAuthInfo, info);
 210                 info = NULL;
 211         }
 212         else
 213         {
 214                 if (err) {
 215                         if (info->error) {
 216                                 g_error_free (info->error);
 217                                 info->error = NULL;
 218                         }
 219
 220                         info->error = g_error_copy (err);
 221                 }
 222
 223                 if (!auth_types) {
 224                         g_warning ("DEBUG: %s: auth_types is NULL.\n", __FUNCTION__);
 225                 }
 226                 else if (tny_list_get_length(auth_types) == 0)
 227                         g_warning ("DEBUG: %s: auth_types is an empty TnyList.\n", __FUNCTION__);
 228                 else {
 229                         ModestPairList* pairs = modest_protocol_info_get_auth_protocol_pair_list ();
 230
 231                         /* Get the enum value for the strings: */
 232                         GList *result = NULL;
 233                         TnyIterator* iter = tny_list_create_iterator(auth_types);
 234                         while (!tny_iterator_is_done(iter)) {
 235                                 TnyPair *pair = TNY_PAIR(tny_iterator_get_current(iter));
 236                                 const gchar *auth_name = NULL;
 237                                 if (pair) {
 238                                         auth_name = tny_pair_get_name(pair);
 239                                         g_object_unref (pair);
 240                                         pair = NULL;
 241                                 }
 242
 243                                 printf("DEBUG: %s: auth_name=%s\n", __FUNCTION__, auth_name);
 244
 245                                 ModestAuthProtocol proto = modest_protocol_info_get_auth_protocol (auth_name);
 246                                 if(proto != MODEST_PROTOCOL_AUTH_NONE)
 247                                                 result = g_list_prepend(result, GINT_TO_POINTER(proto));
 248
 249                                 tny_iterator_next(iter);
 250                         }
 251                         g_object_unref (iter);
 252
 253                         modest_pair_list_free (pairs);
 254
 255                         info->result = result;
 256                 }
 257
 258                 printf("DEBUG: finished\n");
 259
 260                 /* Close the dialog in a main thread */
 261                 g_idle_add(on_idle_secure_auth_finished, info);
 262         }
 263 }
 264
 265 static void
 266 on_secure_auth_cancel(GtkWidget* dialog, int response, gpointer user_data)
 267 {
 268         g_return_if_fail (GTK_IS_WIDGET(dialog));
 269
 270         if(response == GTK_RESPONSE_REJECT || response == GTK_RESPONSE_DELETE_EVENT) {
 271                 ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
 272                 g_return_if_fail(info);
 273                 /* This gives the ownership of the info to the worker thread. */
 274                 info->result = NULL;
 275                 info->cancel = TRUE;
 276         }
 277 }
 278 typedef struct {
 279         GtkProgressBar *progress;
 280         gboolean not_finished;
 281 } KeepPulsing;
 282
 283 static gboolean
 284 keep_pulsing (gpointer user_data)
 285 {
 286         KeepPulsing *info = (KeepPulsing *) user_data;
 287
 288         gtk_progress_bar_pulse (info->progress);
 289
 290         if (!info->not_finished) {
 291                 g_object_unref (info->progress);
 292                 g_slice_free (KeepPulsing, info);
 293                 return FALSE;
 294         }
 295
 296         return TRUE;
 297 }
 298
 299 GList*
 300 modest_utils_get_supported_secure_authentication_methods (ModestTransportStoreProtocol proto,
 301         const gchar* hostname, gint port, const gchar* username, GtkWindow *parent_window, GError** error)
 302 {
 303         g_return_val_if_fail (proto != MODEST_PROTOCOL_TRANSPORT_STORE_UNKNOWN, NULL);
 304
 305         /* We need a connection to get the capabilities; */
 306         if (!modest_platform_connect_and_wait (GTK_WINDOW (parent_window), NULL))
 307                 return NULL;
 308
 309         /*
 310         result = g_list_append (result, GINT_TO_POINTER (MODEST_PROTOCOL_AUTH_CRAMMD5));
 311         */
 312
 313         /* Create a TnyCamelAccount so we can use
 314          * tny_camel_account_get_supported_secure_authentication(): */
 315         TnyAccount * tny_account = NULL;
 316         switch (proto) {
 317         case MODEST_PROTOCOL_TRANSPORT_SENDMAIL:
 318         case MODEST_PROTOCOL_TRANSPORT_SMTP:
 319                 tny_account = TNY_ACCOUNT(tny_camel_transport_account_new ()); break;
 320         case MODEST_PROTOCOL_STORE_POP:
 321                 tny_account = TNY_ACCOUNT(tny_camel_pop_store_account_new ()); break;
 322         case MODEST_PROTOCOL_STORE_IMAP:
 323                 tny_account = TNY_ACCOUNT(tny_camel_imap_store_account_new ()); break;
 324         case MODEST_PROTOCOL_STORE_MAILDIR:
 325         case MODEST_PROTOCOL_STORE_MBOX:
 326                 tny_account = TNY_ACCOUNT(tny_camel_store_account_new()); break;
 327         default:
 328                 tny_account = NULL;
 329         }
 330
 331
 332         if (!tny_account) {
 333                 g_printerr ("%s could not create tny account.", __FUNCTION__);
 334                 return NULL;
 335         }
 336
 337         /* Set proto, so that the prepare_func() vfunc will work when we call
 338          * set_session(): */
 339          /* TODO: Why isn't this done in account_new()? */
 340         tny_account_set_proto (tny_account,
 341                                modest_protocol_info_get_transport_store_protocol_name(proto));
 342
 343         tny_account_set_hostname (tny_account, hostname);
 344         /* Required for POP, at least */
 345         tny_account_set_user (tny_account, username);
 346
 347         if(port > 0)
 348                 tny_account_set_port (tny_account, port);
 349
 350         /* Set the session for the account, so we can use it: */
 351         ModestTnyAccountStore *account_store = modest_runtime_get_account_store ();
 352         TnySessionCamel *session =
 353                 modest_tny_account_store_get_session (TNY_ACCOUNT_STORE (account_store));
 354         g_return_val_if_fail (session, NULL);
 355         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
 356
 357
 358         /* Ask camel to ask the server, asynchronously: */
 359         ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
 360         info->result = NULL;
 361         info->cancel = FALSE;
 362         info->error = NULL;
 363         info->progress = gtk_progress_bar_new();
 364         /* TODO: Need logical_ID for the title: */
 365         info->dialog = gtk_dialog_new_with_buttons(" ",
 366                                                    parent_window, GTK_DIALOG_MODAL,
 367                                                    _("mcen_bd_dialog_cancel"),
 368                                                    GTK_RESPONSE_REJECT,
 369                                                    NULL);
 370         //gtk_window_set_default_size(GTK_WINDOW(info->dialog), 300, 100);
 371
 372         g_signal_connect(G_OBJECT(info->dialog), "response", G_CALLBACK(on_secure_auth_cancel), info);
 373
 374         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
 375                           gtk_label_new(_("emev_ni_checking_supported_auth_methods")));
 376         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), info->progress);
 377         gtk_widget_show_all(info->dialog);
 378
 379         KeepPulsing *pi = g_slice_new (KeepPulsing);
 380         pi->progress = (GtkProgressBar *) g_object_ref (info->progress);
 381         pi->not_finished = TRUE;
 382
 383         /* Starts the pulsing of the progressbar */
 384         g_timeout_add (500, keep_pulsing, pi);
 385
 386         printf ("DEBUG: %s: STARTING.\n", __FUNCTION__);
 387
 388         tny_camel_account_get_supported_secure_authentication (
 389                 TNY_CAMEL_ACCOUNT (tny_account),
 390                 on_camel_account_get_supported_secure_authentication,
 391                 on_camel_account_get_supported_secure_authentication_status,
 392                 info);
 393
 394         gtk_dialog_run (GTK_DIALOG (info->dialog));
 395
 396         pi->not_finished = FALSE;
 397         /* pi is freed in the timeout itself to avoid a GCond here */
 398
 399         gtk_widget_destroy(info->dialog);
 400
 401         GList *result = info->result;
 402         if (!info->cancel)
 403         {
 404                 if (info->error) {
 405                         gchar * debug_url_string = tny_account_get_url_string  (tny_account);
 406                         g_warning ("DEBUG: %s:\n  error: %s\n  account url: %s", __FUNCTION__, info->error->message,
 407                                 debug_url_string);
 408                         g_free (debug_url_string);
 409
 410                         g_propagate_error(error, info->error);
 411                         info->error = NULL;
 412                 }
 413
 414                 g_slice_free (ModestGetSupportedAuthInfo, info);
 415                 info = NULL;
 416         }
 417         else
 418         {
 419                 // Tell the caller that the operation was canceled so it can
 420                 // make a difference
 421                 g_set_error(error,
 422                             modest_utils_get_supported_secure_authentication_error_quark(),
 423                             MODEST_UTILS_GET_SUPPORTED_SECURE_AUTHENTICATION_ERROR_CANCELED,
 424                             "User has canceled query");
 425         }
 426
 427         return result;
 428 }
 429
 430 void
 431 modest_utils_show_dialog_and_forget (GtkWindow *parent_window,
 432                                      GtkDialog *dialog)
 433 {
 434         g_return_if_fail (GTK_IS_WINDOW(parent_window));
 435         g_return_if_fail (GTK_IS_DIALOG(dialog));
 436
 437         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
 438
 439         /* Destroy the dialog when it is closed: */
 440         g_signal_connect_swapped (dialog,
 441                                   "response",
 442                                   G_CALLBACK (gtk_widget_destroy),
 443                                   dialog);
 444
 445         gtk_widget_show (GTK_WIDGET (dialog));
 446 }
 447
 448 void
 449 modest_utils_toggle_action_set_active_block_notify (GtkToggleAction *action, gboolean value)
 450 {
 451         GSList *proxies = NULL;
 452
 453         g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
 454
 455         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
 456              proxies != NULL; proxies = g_slist_next (proxies)) {
 457                 GtkWidget *widget = (GtkWidget *) proxies->data;
 458                 gtk_action_block_activate_from (GTK_ACTION (action), widget);
 459         }
 460
 461         gtk_toggle_action_set_active (action, value);
 462
 463         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
 464              proxies != NULL; proxies = g_slist_next (proxies)) {
 465                 GtkWidget *widget = (GtkWidget *) proxies->data;
 466                 gtk_action_unblock_activate_from (GTK_ACTION (action), widget);
 467         }
 468
 469 }
 470
 471
 472 gint
 473 modest_list_index (TnyList *list, GObject *object)
 474 {
 475         TnyIterator *iter;
 476         gint index = 0;
 477
 478         g_return_val_if_fail (TNY_IS_LIST(list), -1);
 479         g_return_val_if_fail (G_IS_OBJECT(object), -1);
 480
 481         iter = tny_list_create_iterator (list);
 482         while (!tny_iterator_is_done (iter)) {
 483                 GObject *current = tny_iterator_get_current (iter);
 484
 485                 g_object_unref (current);
 486                 if (current == object)
 487                         break;
 488
 489                 tny_iterator_next (iter);
 490                 index++;
 491         }
 492
 493         if (tny_iterator_is_done (iter))
 494                 index = -1;
 495         g_object_unref (iter);
 496         return index;
 497 }
 498
 499 guint64
 500 modest_folder_available_space (const gchar *maildir_path)
 501 {
 502         gchar *folder;
 503         gchar *uri_string;
 504         GnomeVFSURI *uri;
 505         GnomeVFSFileSize size;
 506
 507         folder = modest_local_folder_info_get_maildir_path (maildir_path);
 508         uri_string = gnome_vfs_get_uri_from_local_path (folder);
 509         uri = gnome_vfs_uri_new (uri_string);
 510         g_free (folder);
 511         g_free (uri_string);
 512
 513         if (uri) {
 514                 if (gnome_vfs_get_volume_free_space (uri, &size) != GNOME_VFS_OK)
 515                         size = -1;
 516                 gnome_vfs_uri_unref (uri);
 517         } else {
 518                 size = -1;
 519         }
 520
 521         return (guint64) size;
 522 }