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