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         uri = gnome_vfs_uri_new (filename);
  83         if (uri) {
  84                 result = gnome_vfs_uri_exists (uri);
  85                 gnome_vfs_uri_unref (uri);
  86         }
  87         return result;
  88 }
  89
  90 TnyFsStream *
  91 modest_utils_create_temp_stream (const gchar *orig_name, const gchar *hash_base, gchar **path)
  92 {
  93         gint fd;
  94         gchar *filepath = NULL;
  95         gchar *tmpdir;
  96         guint hash_number;
  97
  98         /* hmmm... maybe we need a modest_text_utils_validate_file_name? */
  99         g_return_val_if_fail (orig_name && strlen(orig_name) != 0, NULL);
 100
 101         if (strlen(orig_name) > 200) {
 102                 g_warning ("%s: filename too long ('%s')",
 103                            __FUNCTION__, orig_name);
 104                 return NULL;
 105         }
 106
 107         if (g_strstr_len (orig_name, strlen(orig_name), "/") != NULL) {
 108                 g_warning ("%s: filename contains '/' character(s) (%s)",
 109                            __FUNCTION__, orig_name);
 110                 return NULL;
 111         }
 112
 113         /* make a random subdir under /tmp or /var/tmp */
 114         if (hash_base != NULL) {
 115                 hash_number = g_str_hash (hash_base);
 116         } else {
 117                 hash_number = (guint) random ();
 118         }
 119         tmpdir = g_strdup_printf ("%s/%u", g_get_tmp_dir (), hash_number);
 120         if ((g_access (tmpdir, R_OK) == -1) && (g_mkdir (tmpdir, 0755) == -1)) {
 121                 g_warning ("%s: failed to create dir '%s': %s",
 122                            __FUNCTION__, tmpdir, g_strerror(errno));
 123                 g_free (tmpdir);
 124                 return NULL;
 125         }
 126
 127         filepath = g_strconcat (tmpdir, "/", orig_name, NULL);
 128         /* don't overwrite if it already exists, even if it is writable */
 129         if (modest_utils_file_exists (filepath)) {
 130                 if (path!=NULL) {
 131                         *path = filepath;
 132                 } else {
 133                         g_free (filepath);
 134                 }
 135                 g_free (tmpdir);
 136                 return NULL;
 137         } else {
 138                 /* try to write the file there */
 139                 fd = g_open (filepath, O_CREAT|O_WRONLY|O_TRUNC, 0644);
 140                 if (fd == -1) {
 141                         g_warning ("%s: failed to create '%s': %s",
 142                                         __FUNCTION__, filepath, g_strerror(errno));
 143                         g_free (filepath);
 144                         g_free (tmpdir);
 145                         return NULL;
 146                 }
 147         }
 148
 149         g_free (tmpdir);
 150
 151         if (path)
 152                 *path = filepath;
 153
 154         return TNY_FS_STREAM (tny_fs_stream_new (fd));
 155 }
 156
 157 typedef struct
 158 {
 159         gboolean cancel;
 160         GList *result;
 161         GtkWidget* dialog;
 162         GtkWidget* progress;
 163         GError* error;
 164 } ModestGetSupportedAuthInfo;
 165
 166 static void on_camel_account_get_supported_secure_authentication_status (
 167         GObject *self, TnyStatus *status, gpointer user_data)
 168 {
 169         /*ModestGetSupportedAuthInfo* info = (ModestGetSupportedAuthInfo*) user_data;*/
 170 }
 171
 172 static gboolean
 173 on_idle_secure_auth_finished (gpointer user_data)
 174 {
 175         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
 176         /* Operation has finished, close the dialog. Control continues after
 177          * gtk_dialog_run in modest_utils_get_supported_secure_authentication_methods() */
 178
 179         /* This is a GDK lock because we are an idle callback and
 180          * the code below is or does Gtk+ code */
 181
 182         gdk_threads_enter(); /* CHECKED */
 183         gtk_dialog_response (GTK_DIALOG (info->dialog), GTK_RESPONSE_ACCEPT);
 184         gdk_threads_leave(); /* CHECKED */
 185
 186         return FALSE;
 187 }
 188
 189 static void
 190 on_camel_account_get_supported_secure_authentication (
 191   TnyCamelAccount *self, gboolean cancelled,
 192   TnyList *auth_types, GError *err,
 193   gpointer user_data)
 194 {
 195         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
 196         g_return_if_fail (info);
 197
 198
 199         /* Free everything if the actual action was canceled */
 200         if (info->cancel)
 201         {
 202                 /* The operation was canceled and the ownership of the info given to us
 203                  * so that we could still check the cancel flag. */
 204                 g_slice_free (ModestGetSupportedAuthInfo, info);
 205                 info = NULL;
 206         }
 207         else
 208         {
 209                 if (err)
 210                 {
 211                         if (info->error) {
 212                                 g_error_free (info->error);
 213                                 info->error = NULL;
 214                         }
 215
 216                         info->error = g_error_copy (err);
 217                 }
 218
 219                 if (!auth_types) {
 220                         g_warning ("DEBUG: %s: auth_types is NULL.\n", __FUNCTION__);
 221                 }
 222                 else if (tny_list_get_length(auth_types) == 0) {
 223                         g_warning ("DEBUG: %s: auth_types is an empty TnyList.\n", __FUNCTION__);
 224                 } else
 225                 {
 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         if(response == GTK_RESPONSE_REJECT || response == GTK_RESPONSE_DELETE_EVENT)
 266         {
 267                 ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
 268                 g_return_if_fail(info);
 269                 /* This gives the ownership of the info to the worker thread. */
 270                 info->result = NULL;
 271                 info->cancel = TRUE;
 272         }
 273 }
 274
 275 GList*
 276 modest_utils_get_supported_secure_authentication_methods (ModestTransportStoreProtocol proto,
 277         const gchar* hostname, gint port, const gchar* username, GtkWindow *parent_window, GError** error)
 278 {
 279         g_return_val_if_fail (proto != MODEST_PROTOCOL_TRANSPORT_STORE_UNKNOWN, NULL);
 280
 281         /* We need a connection to get the capabilities; */
 282         if (!modest_platform_connect_and_wait (GTK_WINDOW (parent_window), NULL))
 283                 return NULL;
 284
 285         /*
 286         result = g_list_append (result, GINT_TO_POINTER (MODEST_PROTOCOL_AUTH_CRAMMD5));
 287         */
 288
 289         /* Create a TnyCamelAccount so we can use
 290          * tny_camel_account_get_supported_secure_authentication(): */
 291         TnyAccount * tny_account = NULL;
 292         switch (proto) {
 293         case MODEST_PROTOCOL_TRANSPORT_SENDMAIL:
 294         case MODEST_PROTOCOL_TRANSPORT_SMTP:
 295                 tny_account = TNY_ACCOUNT(tny_camel_transport_account_new ()); break;
 296         case MODEST_PROTOCOL_STORE_POP:
 297                 tny_account = TNY_ACCOUNT(tny_camel_pop_store_account_new ()); break;
 298         case MODEST_PROTOCOL_STORE_IMAP:
 299                 tny_account = TNY_ACCOUNT(tny_camel_imap_store_account_new ()); break;
 300         case MODEST_PROTOCOL_STORE_MAILDIR:
 301         case MODEST_PROTOCOL_STORE_MBOX:
 302                 tny_account = TNY_ACCOUNT(tny_camel_store_account_new()); break;
 303         default:
 304                 tny_account = NULL;
 305         }
 306
 307
 308         if (!tny_account) {
 309                 g_printerr ("%s could not create tny account.", __FUNCTION__);
 310                 return NULL;
 311         }
 312
 313         /* Set proto, so that the prepare_func() vfunc will work when we call
 314          * set_session(): */
 315          /* TODO: Why isn't this done in account_new()? */
 316         tny_account_set_proto (tny_account,
 317                                modest_protocol_info_get_transport_store_protocol_name(proto));
 318
 319         tny_account_set_hostname (tny_account, hostname);
 320         /* Required for POP, at least */
 321         tny_account_set_user (tny_account, username);
 322
 323         if(port > 0)
 324                 tny_account_set_port (tny_account, port);
 325
 326         /* Set the session for the account, so we can use it: */
 327         ModestTnyAccountStore *account_store = modest_runtime_get_account_store ();
 328         TnySessionCamel *session =
 329                 modest_tny_account_store_get_session (TNY_ACCOUNT_STORE (account_store));
 330         g_return_val_if_fail (session, NULL);
 331         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
 332
 333
 334         /* Ask camel to ask the server, asynchronously: */
 335         ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
 336         info->result = NULL;
 337         info->cancel = FALSE;
 338         info->error = NULL;
 339         info->progress = gtk_progress_bar_new();
 340         /* TODO: Need logical_ID for the title: */
 341         info->dialog = gtk_dialog_new_with_buttons(_("Authentication"),
 342                                                    parent_window, GTK_DIALOG_MODAL,
 343                                                    _("mcen_bd_dialog_cancel"),
 344                                                    GTK_RESPONSE_REJECT,
 345                                                    NULL);
 346         //gtk_window_set_default_size(GTK_WINDOW(info->dialog), 300, 100);
 347
 348         g_signal_connect(G_OBJECT(info->dialog), "response", G_CALLBACK(on_secure_auth_cancel), info);
 349
 350         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
 351                           gtk_label_new("Checking for supported authentication types..."));
 352         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), info->progress);
 353         gtk_widget_show_all(info->dialog);
 354         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(info->progress));
 355
 356         printf ("DEBUG: %s: STARTING.\n", __FUNCTION__);
 357         tny_camel_account_get_supported_secure_authentication (
 358                 TNY_CAMEL_ACCOUNT (tny_account),
 359                 on_camel_account_get_supported_secure_authentication,
 360                 on_camel_account_get_supported_secure_authentication_status,
 361                 info);
 362
 363         gtk_dialog_run (GTK_DIALOG (info->dialog));
 364
 365         gtk_widget_destroy(info->dialog);
 366
 367         GList *result = info->result;
 368         if (!info->cancel)
 369         {
 370                 if (info->error) {
 371                         gchar * debug_url_string = tny_account_get_url_string  (tny_account);
 372                         g_warning ("DEBUG: %s:\n  error: %s\n  account url: %s", __FUNCTION__, info->error->message,
 373                                 debug_url_string);
 374                         g_free (debug_url_string);
 375
 376                         g_propagate_error(error, info->error);
 377                         info->error = NULL;
 378                 }
 379
 380                 g_slice_free (ModestGetSupportedAuthInfo, info);
 381                 info = NULL;
 382         }
 383         else
 384         {
 385                 // Tell the caller that the operation was canceled so it can
 386                 // make a difference
 387                 g_set_error(error,
 388                             modest_utils_get_supported_secure_authentication_error_quark(),
 389                             MODEST_UTILS_GET_SUPPORTED_SECURE_AUTHENTICATION_ERROR_CANCELED,
 390                             "User has canceled query");
 391         }
 392
 393         return result;
 394 }
 395
 396 void
 397 modest_utils_show_dialog_and_forget (GtkWindow *parent_window,
 398                                      GtkDialog *dialog)
 399 {
 400         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
 401
 402         /* Destroy the dialog when it is closed: */
 403         g_signal_connect_swapped (dialog,
 404                                   "response",
 405                                   G_CALLBACK (gtk_widget_destroy),
 406                                   dialog);
 407
 408         gtk_widget_show (GTK_WIDGET (dialog));
 409 }
 410
 411 void
 412 modest_utils_toggle_action_set_active_block_notify (GtkToggleAction *action, gboolean value)
 413 {
 414         GSList *proxies = NULL;
 415
 416         g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
 417
 418         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
 419              proxies != NULL; proxies = g_slist_next (proxies)) {
 420                 GtkWidget *widget = (GtkWidget *) proxies->data;
 421                 gtk_action_block_activate_from (GTK_ACTION (action), widget);
 422         }
 423
 424         gtk_toggle_action_set_active (action, value);
 425
 426         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
 427              proxies != NULL; proxies = g_slist_next (proxies)) {
 428                 GtkWidget *widget = (GtkWidget *) proxies->data;
 429                 gtk_action_unblock_activate_from (GTK_ACTION (action), widget);
 430         }
 431
 432 }
 433