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