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// CAVE: if possible, take care not to add a name here that is "sent" in one language
// but sth. different in others - a hard job.
static const char* sent_names =
",sent,sent objects,gesendet,";
char* lower = dc_mprintf(",%s,", folder_name);
dc_strlower_in_place(lower);
if (strstr(sent_names, lower)!=NULL) {
ret_meaning = MEANING_SENT_OBJECTS;
}
free(lower);
return ret_meaning;
}
static clist* list_folders(dc_imap_t* imap)
{
clist* imap_list = NULL;
clistiter* iter1 = NULL;
clist * ret_list = clist_new();
int r = 0;
int xlist_works = 0;
if (imap==NULL || imap->etpan==NULL) {
goto cleanup;
}
// the "*" also returns all subdirectories;
// so the resulting foldernames may contain
// foldernames with delimiters as "folder/subdir/subsubdir"
//
// when switching to XLIST: at least my server claims
// that it support XLIST but does not return folder flags.
// so, if we did not get a _single_ flag, sth. seems not to work.
if (imap->has_xlist) {
r = mailimap_xlist(imap->etpan, "", "*", &imap_list);
}
else {
r = mailimap_list(imap->etpan, "", "*", &imap_list);
}
if (dc_imap_is_error(imap, r) || imap_list==NULL) {
imap_list = NULL;
dc_log_warning(imap->context, 0, "Cannot get folder list.");
goto cleanup;
}
if (clist_count(imap_list)<=0) {
dc_log_warning(imap->context, 0, "Folder list is empty.");
goto cleanup;
}
// default IMAP delimiter if none is returned by the list command
imap->imap_delimiter = '.';
for (iter1 = clist_begin(imap_list); iter1!=NULL ; iter1 = clist_next(iter1))
{
struct mailimap_mailbox_list* imap_folder =
(struct mailimap_mailbox_list*)clist_content(iter1);
if (imap_folder->mb_delimiter) {
imap->imap_delimiter = imap_folder->mb_delimiter;
}
dc_imapfolder_t* ret_folder = calloc(1, sizeof(dc_imapfolder_t));
if (strcasecmp(imap_folder->mb_name, "INBOX")==0) {
// Force upper case INBOX. Servers may return any case, however,
// all variants MUST lead to the same INBOX, see RFC 3501 5.1
ret_folder->name_to_select = dc_strdup("INBOX");
}
else {
ret_folder->name_to_select = dc_strdup(imap_folder->mb_name);
}
ret_folder->name_utf8 = dc_decode_modified_utf7(imap_folder->mb_name, 0);
ret_folder->meaning = get_folder_meaning(imap_folder->mb_flag);
if (ret_folder->meaning==MEANING_OTHER_KNOWN
|| ret_folder->meaning==MEANING_SENT_OBJECTS /*INBOX is no hint for a working XLIST*/) {
xlist_works = 1;
}
clist_append(ret_list, (void*)ret_folder);
}
// at least my own server claims that it support XLIST
// but does not return folder flags.
if (!xlist_works) {
for (iter1 = clist_begin(ret_list); iter1!=NULL ; iter1 = clist_next(iter1))
{
dc_imapfolder_t* ret_folder = (struct dc_imapfolder_t*)clist_content(iter1);
ret_folder->meaning = get_folder_meaning_by_name(ret_folder->name_utf8);
}
}
cleanup:
if (imap_list) {
mailimap_list_result_free(imap_list);
}