sync with 0.9.10claws57 HEAD
[claws.git] / src / imap.c
index 9e3abfca6bc0cec29f9ca91a42407468f45a74db..fe78554b62c12bd2d288a5886e5cc20fb7db0610 100644 (file)
@@ -435,57 +435,56 @@ static gboolean imap_scan_required                (Folder         *folder,
 static void imap_change_flags                  (Folder         *folder,
                                                 FolderItem     *item,
                                                 MsgInfo        *msginfo,
-                                                MsgPermFlags   newflags);
+                                                MsgPermFlags    newflags);
+static gint imap_get_flags                     (Folder         *folder,
+                                                FolderItem     *item,
+                                                MsgInfoList    *msglist,
+                                                GRelation      *msgflags);
 static gchar *imap_folder_get_path             (Folder         *folder);
 static gchar *imap_item_get_path               (Folder         *folder,
                                                 FolderItem     *item);
 
-static FolderClass imap_class =
-{
-       F_IMAP,
-       "imap",
-       "IMAP4",
-
-       /* Folder functions */
-       imap_folder_new,
-       imap_folder_destroy,
-       NULL,
-       NULL,
-       imap_scan_tree,
-       imap_create_tree,
-
-       /* FolderItem functions */
-       imap_folder_item_new,
-       imap_folder_item_destroy,
-       NULL,
-       NULL,
-       imap_item_get_path,
-       imap_create_folder,
-       imap_rename_folder,
-       imap_remove_folder,
-       imap_close,
-       imap_get_num_list,
-       NULL,
-       NULL,
-       NULL,
-       imap_scan_required,
-
-       /* Message functions */
-       imap_get_msginfo,
-       imap_get_msginfos,
-       imap_fetch_msg,
-       imap_add_msg,
-       imap_add_msgs,
-       imap_copy_msg,
-       imap_copy_msgs,
-       imap_remove_msg,
-       imap_remove_all_msg,
-       imap_is_msg_changed,
-       imap_change_flags,
-};
+static FolderClass imap_class;
 
 FolderClass *imap_get_class(void)
 {
+       if (imap_class.idstr == NULL) {
+               imap_class.type = F_IMAP;
+               imap_class.idstr = "imap";
+               imap_class.uistr = "IMAP4";
+
+               /* Folder functions */
+               imap_class.new_folder = imap_folder_new;
+               imap_class.destroy_folder = imap_folder_destroy;
+               imap_class.scan_tree = imap_scan_tree;
+               imap_class.create_tree = imap_create_tree;
+
+               /* FolderItem functions */
+               imap_class.item_new = imap_folder_item_new;
+               imap_class.item_destroy = imap_folder_item_destroy;
+               imap_class.item_get_path = imap_item_get_path;
+               imap_class.create_folder = imap_create_folder;
+               imap_class.rename_folder = imap_rename_folder;
+               imap_class.remove_folder = imap_remove_folder;
+               imap_class.close = imap_close;
+               imap_class.get_num_list = imap_get_num_list;
+               imap_class.scan_required = imap_scan_required;
+
+               /* Message functions */
+               imap_class.get_msginfo = imap_get_msginfo;
+               imap_class.get_msginfos = imap_get_msginfos;
+               imap_class.fetch_msg = imap_fetch_msg;
+               imap_class.add_msg = imap_add_msg;
+               imap_class.add_msgs = imap_add_msgs;
+               imap_class.copy_msg = imap_copy_msg;
+               imap_class.copy_msgs = imap_copy_msgs;
+               imap_class.remove_msg = imap_remove_msg;
+               imap_class.remove_all_msg = imap_remove_all_msg;
+               imap_class.is_msg_changed = imap_is_msg_changed;
+               imap_class.change_flags = imap_change_flags;
+               imap_class.get_flags = imap_get_flags;
+       }
+       
        return &imap_class;
 }
 
@@ -666,13 +665,13 @@ static IMAPSession *imap_session_get(Folder *folder)
                        /* Check if this is the first try to establish a
                           connection, if yes we don't try to reconnect */
                        if (rfolder->session == NULL) {
-                               log_warning(_("Connecting %s failed"),
+                               log_warning(_("Connecting to %s failed"),
                                            folder->account->recv_server);
                                session_destroy(SESSION(session));
                                session = NULL;
                        } else {
                                log_warning(_("IMAP4 connection to %s has been"
-                                             " disconnected. Reconnecting...\n"),
+                                           " disconnected. Reconnecting...\n"),
                                            folder->account->recv_server);
                                session_destroy(SESSION(session));
                                /* Clear folders session to make imap_session_get create
@@ -1718,6 +1717,12 @@ static gint imap_rename_folder(Folder *folder, FolderItem *item,
        g_return_val_if_fail(item->path != NULL, -1);
        g_return_val_if_fail(name != NULL, -1);
 
+       if (strchr(name, imap_get_path_separator(IMAP_FOLDER(folder), item->path)) != NULL) {
+               g_warning(_("New folder name must not contain the namespace "
+                           "path separator"));
+               return -1;
+       }
+
        session = imap_session_get(folder);
        if (!session) return -1;
 
@@ -2465,7 +2470,8 @@ static gint imap_select(IMAPSession *session, IMAPFolder *folder,
 {
        gchar *real_path;
        gint ok;
-       gint exists_, recent_, unseen_, uid_validity_;
+       gint exists_, recent_, unseen_;
+       guint32 uid_validity_;
 
        if (!exists || !recent || !unseen || !uid_validity) {
                if (session->mbox && strcmp(session->mbox, path) == 0)
@@ -2717,6 +2723,7 @@ static gint imap_cmd_do_select(IMAPSession *session, const gchar *folder,
        GPtrArray *argbuf;
        gchar *select_cmd;
        gchar *folder_;
+       unsigned int uid_validity_;
 
        *exists = *recent = *unseen = *uid_validity = 0;
        argbuf = g_ptr_array_new();
@@ -2749,11 +2756,12 @@ static gint imap_cmd_do_select(IMAPSession *session, const gchar *folder,
 
        resp_str = search_array_contain_str(argbuf, "UIDVALIDITY");
        if (resp_str) {
-               if (sscanf(resp_str, "OK [UIDVALIDITY %u] ", uid_validity)
+               if (sscanf(resp_str, "OK [UIDVALIDITY %u] ", &uid_validity_)
                    != 1) {
                        g_warning("imap_cmd_select(): invalid UIDVALIDITY line.\n");
                        THROW;
                }
+               *uid_validity = uid_validity_;
        }
 
        resp_str = search_array_contain_str(argbuf, "UNSEEN");
@@ -2850,7 +2858,7 @@ static gint imap_cmd_search(IMAPSession *session, const gchar *criteria,
                for (p = strlist; *p != NULL; ++p) {
                        guint msgnum;
 
-                       if (sscanf(*p, "%d", &msgnum) == 1)
+                       if (sscanf(*p, "%u", &msgnum) == 1)
                                *list = g_slist_append(*list, GINT_TO_POINTER(msgnum));
                }
                g_strfreev(strlist);
@@ -2934,7 +2942,7 @@ static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
        gint size;
        gchar *destfolder_;
        gchar *flag_str;
-       guint32 new_uid_;
+       unsigned int new_uid_;
        gchar *ret = NULL;
        gchar buf[BUFFSIZE];
        FILE *fp;
@@ -2963,7 +2971,7 @@ static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
        }
        g_free(ret);
 
-       log_print("IMAP4> %s\n", _("(sending file...)"));
+       log_print("IMAP4> %s\n", "(sending file...)");
 
        while (fgets(buf, sizeof(buf), fp) != NULL) {
                strretchomp(buf);
@@ -3014,13 +3022,13 @@ static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
 static MsgNumberList *imapset_to_numlist(IMAPSet imapset)
 {
        gchar **ranges, **range;
-       guint32 low, high;
+       unsigned int low, high;
        MsgNumberList *uids = NULL;
        
        ranges = g_strsplit(imapset, ",", 0);
        for (range = ranges; *range != NULL; range++) {
                printf("%s\n", *range);
-               if(sscanf(*range, "%u:%u", &low, &high) == 1)
+               if (sscanf(*range, "%u:%u", &low, &high) == 1)
                        uids = g_slist_prepend(uids, GINT_TO_POINTER(low));
                else {
                        int i;
@@ -3753,7 +3761,7 @@ gint imap_get_num_list(Folder *folder, FolderItem *_item, GSList **msgnum_list,
        IMAPFolderItem *item = (IMAPFolderItem *)_item;
        IMAPSession *session;
        gint ok, nummsgs = 0, exists, recent, uid_val, uid_next, unseen;
-       GSList *uidlist;
+       GSList *uidlist = NULL;
        gchar *dir;
        gboolean selected_folder;
 
@@ -4057,3 +4065,152 @@ void imap_change_flags(Folder *folder, FolderItem *item, MsgInfo *msginfo, MsgPe
 
        return;
 }
+
+static gint compare_msginfo(gconstpointer a, gconstpointer b)
+{
+       return ((MsgInfo *)a)->msgnum - ((MsgInfo *)b)->msgnum;
+}
+
+static guint gslist_find_next_num(MsgNumberList **list, guint num)
+{
+       GSList *elem;
+
+       g_return_val_if_fail(list != NULL, -1);
+
+       for (elem = *list; elem != NULL; elem = g_slist_next(elem))
+               if (GPOINTER_TO_INT(elem->data) >= num)
+                       break;
+       *list = elem;
+       return elem != NULL ? GPOINTER_TO_INT(elem->data) : (gint)-1;
+}
+
+/*
+ * NEW and DELETED flags are not syncronized
+ * - The NEW/RECENT flags in IMAP folders can not really be directly
+ *   modified by Sylpheed
+ * - The DELETE/DELETED flag in IMAP and Sylpheed don't have the same
+ *   meaning, in IMAP it always removes the messages from the FolderItem
+ *   in Sylpheed it can mean to move the message to trash
+ */
+static gint imap_get_flags(Folder *folder, FolderItem *item,
+                           MsgInfoList *msginfo_list, GRelation *msgflags)
+{
+       IMAPSession *session;
+       GSList *sorted_list;
+       /*
+       GSList *new = NULL, *p_new;
+       GSList *deleted = NULL, *p_deleted;
+       */
+       GSList *unseen = NULL, *answered = NULL, *flagged = NULL;
+       GSList *p_unseen, *p_answered, *p_flagged;
+       GSList *elem;
+       GSList *seq_list, *cur;
+       gboolean reverse_seen = FALSE;
+       GString *cmd_buf;
+       gint ok;
+       gint exists_cnt, recent_cnt, unseen_cnt, uid_next;
+       guint32 uidvalidity;
+
+       g_return_val_if_fail(folder != NULL, -1);
+       g_return_val_if_fail(item != NULL, -1);
+       if (msginfo_list == NULL)
+               return 0;
+
+       session = imap_session_get(folder);
+       g_return_val_if_fail(session != NULL, -1);
+
+       ok = imap_select(session, IMAP_FOLDER(folder), item->path,
+                       NULL, NULL, NULL, NULL);
+       if (ok != IMAP_SUCCESS)
+               return -1;
+
+       ok = imap_status(session, IMAP_FOLDER(folder), item->path,
+                        &exists_cnt, &recent_cnt, &uid_next, &uidvalidity, &unseen_cnt);
+
+       if (unseen_cnt > exists_cnt / 2)
+               reverse_seen = TRUE;
+
+       cmd_buf = g_string_new(NULL);
+
+       sorted_list = g_slist_sort(g_slist_copy(msginfo_list), compare_msginfo);
+
+       seq_list = imap_get_seq_set_from_msglist(msginfo_list);
+
+       for (cur = seq_list; cur != NULL; cur = g_slist_next(cur)) {
+               IMAPSet imapset = cur->data;
+/*
+               g_string_sprintf(cmd_buf, "RECENT UID %s", imapset);
+               imap_cmd_search(session, cmd_buf->str, &p_new);
+               new = g_slist_concat(new, p_new);
+*/
+               g_string_sprintf(cmd_buf, "%sSEEN UID %s", reverse_seen ? "" : "UN", imapset);
+               imap_cmd_search(session, cmd_buf->str, &p_unseen);
+               unseen = g_slist_concat(unseen, p_unseen);
+
+               g_string_sprintf(cmd_buf, "ANSWERED UID %s", imapset);
+               imap_cmd_search(session, cmd_buf->str, &p_answered);
+               answered = g_slist_concat(answered, p_answered);
+
+               g_string_sprintf(cmd_buf, "FLAGGED UID %s", imapset);
+               imap_cmd_search(session, cmd_buf->str, &p_flagged);
+               flagged = g_slist_concat(flagged, p_flagged);
+/*
+               g_string_sprintf(cmd_buf, "DELETED UID %s", imapset);
+               imap_cmd_search(session, cmd_buf->str, &p_deleted);
+               deleted = g_slist_concat(deleted, p_deleted);
+*/
+       }
+
+/*
+       p_new = new;
+*/
+       p_unseen = unseen;
+       p_answered = answered;
+       p_flagged = flagged;
+/*
+       p_deleted = deleted;
+*/     
+       for (elem = sorted_list; elem != NULL; elem = g_slist_next(elem)) {
+               MsgInfo *msginfo;
+               MsgPermFlags flags;
+               gboolean wasnew;
+               
+               msginfo = (MsgInfo *) elem->data;
+               flags = msginfo->flags.perm_flags;
+               wasnew = (flags & MSG_NEW);
+               flags &= ~((reverse_seen ? 0 : MSG_UNREAD | MSG_NEW) | MSG_REPLIED | MSG_MARKED);
+               if (reverse_seen)
+                       flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
+               /*
+               if (gslist_find_next_num(&p_new, msginfo->msgnum) == msginfo->msgnum)
+                       flags |= MSG_NEW;
+               */
+               if (gslist_find_next_num(&p_unseen, msginfo->msgnum) == msginfo->msgnum) {
+                       if (!reverse_seen) {
+                               flags |= MSG_UNREAD | (wasnew ? MSG_NEW : 0);
+                       } else {
+                               flags &= ~(MSG_UNREAD | MSG_NEW);
+                       }
+               }
+               if (gslist_find_next_num(&p_answered, msginfo->msgnum) == msginfo->msgnum)
+                       flags |= MSG_REPLIED;
+               if (gslist_find_next_num(&p_flagged, msginfo->msgnum) == msginfo->msgnum)
+                       flags |= MSG_MARKED;
+               /*
+               if (gslist_find_next_num(&p_deleted, msginfo->msgnum) == msginfo->msgnum)
+                       MSG_SET_PERM_FLAGS(msginfo->flags, MSG_DELETED);
+                */
+               g_relation_insert(msgflags, msginfo, GINT_TO_POINTER(flags));
+       }
+
+       imap_seq_set_free(seq_list);
+       /* g_slist_free(deleted); */
+       g_slist_free(flagged);
+       g_slist_free(answered);
+       g_slist_free(unseen);
+       /* new not freed in original patch ??? */
+       g_slist_free(sorted_list);
+       g_string_free(cmd_buf, TRUE);
+
+       return 0;
+}