0.9.6claws1
[claws.git] / src / imap.c
index 6f29266acf9b0ba15abd1e45b2f68e8e715c6a61..cd22ddd0255e8220b9d3085fd17244302f40cb68 100644 (file)
@@ -63,6 +63,7 @@ typedef struct _IMAPFolderItem        IMAPFolderItem;
 #include "prefs_account.h"
 
 #define IMAP_FOLDER(obj)       ((IMAPFolder *)obj)
+#define IMAP_FOLDER_ITEM(obj)  ((IMAPFolderItem *)obj)
 #define IMAP_SESSION(obj)      ((IMAPSession *)obj)
 
 struct _IMAPFolder
@@ -187,7 +188,7 @@ static gboolean imap_is_msg_changed(Folder * folder,
 
 static gint imap_close(Folder * folder, FolderItem * item);
 
-static void imap_scan_tree(Folder * folder);
+static gint imap_scan_tree(Folder * folder);
 
 static gint imap_create_tree(Folder * folder);
 
@@ -311,32 +312,32 @@ static gint imap_cmd_authenticate
                                 const gchar    *user,
                                 const gchar    *pass,
                                 IMAPAuthType    type);
-static gint imap_cmd_login     (IMAPSession    *sock,
+static gint imap_cmd_login     (IMAPSession    *session,
                                 const gchar    *user,
                                 const gchar    *pass);
-static gint imap_cmd_logout    (IMAPSession    *sock);
-static gint imap_cmd_noop      (IMAPSession    *sock);
-static gint imap_cmd_starttls  (IMAPSession    *sock);
-static gint imap_cmd_namespace (IMAPSession    *sock,
+static gint imap_cmd_logout    (IMAPSession    *session);
+static gint imap_cmd_noop      (IMAPSession    *session);
+static gint imap_cmd_starttls  (IMAPSession    *session);
+static gint imap_cmd_namespace (IMAPSession    *session,
                                 gchar         **ns_str);
 static gint imap_cmd_list      (IMAPSession    *session,
                                 const gchar    *ref,
                                 const gchar    *mailbox,
                                 GPtrArray      *argbuf);
-static gint imap_cmd_do_select (IMAPSession    *sock,
+static gint imap_cmd_do_select (IMAPSession    *session,
                                 const gchar    *folder,
                                 gboolean        examine,
                                 gint           *exists,
                                 gint           *recent,
                                 gint           *unseen,
                                 guint32        *uid_validity);
-static gint imap_cmd_select    (IMAPSession    *sock,
+static gint imap_cmd_select    (IMAPSession    *session,
                                 const gchar    *folder,
                                 gint           *exists,
                                 gint           *recent,
                                 gint           *unseen,
                                 guint32        *uid_validity);
-static gint imap_cmd_examine   (IMAPSession    *sock,
+static gint imap_cmd_examine   (IMAPSession    *session,
                                 const gchar    *folder,
                                 gint           *exists,
                                 gint           *recent,
@@ -347,9 +348,9 @@ static gint imap_cmd_create (IMAPSession    *sock,
 static gint imap_cmd_rename    (IMAPSession    *sock,
                                 const gchar    *oldfolder,
                                 const gchar    *newfolder);
-static gint imap_cmd_delete    (IMAPSession    *sock,
+static gint imap_cmd_delete    (IMAPSession    *session,
                                 const gchar    *folder);
-static gint imap_cmd_envelope  (IMAPSession    *sock,
+static gint imap_cmd_envelope  (IMAPSession    *session,
                                 IMAPSet         set);
 static gint imap_cmd_fetch     (IMAPSession    *sock,
                                 guint32         uid,
@@ -363,17 +364,18 @@ static gint imap_cmd_copy       (IMAPSession    *session,
                                  const gchar    *seq_set, 
                                  const gchar    *destfolder,
                                 GRelation      *uid_mapping);
-static gint imap_cmd_store     (IMAPSession    *sock,
+static gint imap_cmd_store     (IMAPSession    *session,
                                 IMAPSet         set,
                                 gchar          *sub_cmd);
-static gint imap_cmd_expunge   (IMAPSession    *sock);
-static gint imap_cmd_close     (IMAPSession    *session);
+static gint imap_cmd_expunge   (IMAPSession    *session,
+                                IMAPSet         seq_set);
+static gint imap_cmd_close      (IMAPSession    *session);
 
 static gint imap_cmd_ok                (IMAPSession    *session,
                                 GPtrArray      *argbuf);
-static void imap_gen_send      (IMAPSession    *sock,
+static void imap_gen_send      (IMAPSession    *session,
                                 const gchar    *format, ...);
-static gint imap_gen_recv      (IMAPSession    *sock,
+static gint imap_gen_recv      (IMAPSession    *session,
                                 gchar         **ret);
 
 /* misc utility functions */
@@ -976,7 +978,7 @@ static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest,
        for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
                MsgInfo *msginfo = (MsgInfo *)cur->data;
                GTuples *tuples;
-               
+
                tuples = g_relation_select(uid_mapping, 
                                           GINT_TO_POINTER(msginfo->msgnum),
                                           0);
@@ -1071,12 +1073,22 @@ gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
                return ok;
        }
 
-       ok = imap_cmd_expunge(session);
+       if (!session->uidplus) {
+               ok = imap_cmd_expunge(session, NULL);
+       } else {
+               gchar *uidstr;
+
+               uidstr = g_strdup_printf("%u", uid);
+               ok = imap_cmd_expunge(session, uidstr);
+               g_free(uidstr);
+       }
        if (ok != IMAP_SUCCESS) {
                log_warning(_("can't expunge\n"));
                return ok;
        }
 
+       IMAP_FOLDER_ITEM(item)->uid_list = g_slist_remove(
+           IMAP_FOLDER_ITEM(item)->uid_list, numlist.data);
        dir = folder_item_get_path(item);
        if (is_dir_exist(dir))
                remove_numbered_files(dir, uid, uid);
@@ -1109,7 +1121,7 @@ gint imap_remove_all_msg(Folder *folder, FolderItem *item)
                return ok;
        }
 
-       ok = imap_cmd_expunge(session);
+       ok = imap_cmd_expunge(session, NULL);
        if (ok != IMAP_SUCCESS) {
                log_warning(_("can't expunge\n"));
                return ok;
@@ -1142,8 +1154,7 @@ gint imap_close(Folder *folder, FolderItem *item)
        if (!session) return -1;
 
        if (session->mbox) {
-               if (strcmp(item->path, session->mbox))
-                       return -1;
+               if (strcmp2(session->mbox, item->path) != 0) return -1;
 
                ok = imap_cmd_close(session);
                if (ok != IMAP_SUCCESS)
@@ -1158,14 +1169,14 @@ gint imap_close(Folder *folder, FolderItem *item)
        return 0;
 }
 
-void imap_scan_tree(Folder *folder)
+gint imap_scan_tree(Folder *folder)
 {
-       FolderItem *item;
+       FolderItem *item = NULL;
        IMAPSession *session;
        gchar *root_folder = NULL;
 
-       g_return_if_fail(folder != NULL);
-       g_return_if_fail(folder->account != NULL);
+       g_return_val_if_fail(folder != NULL, -1);
+       g_return_val_if_fail(folder->account != NULL, -1);
 
        session = imap_session_get(folder);
        if (!session) {
@@ -1175,22 +1186,46 @@ void imap_scan_tree(Folder *folder)
                        item->folder = folder;
                        folder->node = item->node = g_node_new(item);
                }
-               return;
+               return -1;
        }
 
        if (folder->account->imap_dir && *folder->account->imap_dir) {
-               Xstrdup_a(root_folder, folder->account->imap_dir, return);
+               gchar *real_path;
+
+               Xstrdup_a(root_folder, folder->account->imap_dir, return -1);
                strtailchomp(root_folder, '/');
-               debug_print("IMAP root directory: %s\n", root_folder);
+               extract_quote(root_folder, '"');
+               real_path = imap_get_real_path
+                       (IMAP_FOLDER(folder), root_folder);
+               debug_print("IMAP root directory: %s\n", real_path);
+               if (imap_status(session, IMAP_FOLDER(folder), root_folder,
+                                   NULL, NULL, NULL, NULL, NULL)
+                   != IMAP_SUCCESS) {
+                       if (imap_cmd_create(session, real_path)
+                           != IMAP_SUCCESS) {
+                               log_warning(_("can't create root folder %s\n"),
+                                           real_path);
+                               g_free(real_path);
+                               return -1;
+                       }
+               }
+               g_free(real_path);
        }
 
-       item = folder_item_new(folder, folder->name, root_folder);
-       item->folder = folder;
-       item->no_select = TRUE;
-       folder->node = item->node = g_node_new(item);
+       if (folder->node)
+               item = FOLDER_ITEM(folder->node->data);
+       if (!item || ((item->path || root_folder) &&
+                     strcmp2(item->path, root_folder) != 0)) {
+               folder_tree_destroy(folder);
+               item = folder_item_new(folder, folder->name, root_folder);
+               item->folder = folder;
+               folder->node = item->node = g_node_new(item);
+       }
 
-       imap_scan_tree_recursive(session, item);
+       imap_scan_tree_recursive(session, FOLDER_ITEM(folder->node->data));
        imap_create_missing_folders(folder);
+
+       return 0;
 }
 
 static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item)
@@ -1199,6 +1234,7 @@ static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item)
        IMAPFolder *imapfolder;
        FolderItem *new_item;
        GSList *item_list, *cur;
+       GNode *node;
        gchar *real_path;
        gchar *wildcard_path;
        gchar separator;
@@ -1238,16 +1274,59 @@ static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item)
        item_list = imap_parse_list(imapfolder, session, real_path, NULL);
        g_free(real_path);
 
+       node = item->node->children;
+       while (node != NULL) {
+               FolderItem *old_item = FOLDER_ITEM(node->data);
+               GNode *next = node->next;
+
+               new_item = NULL;
+               for (cur = item_list; cur != NULL; cur = cur->next) {
+                       FolderItem *cur_item = FOLDER_ITEM(cur->data);
+                       if (!strcmp2(old_item->path, cur_item->path)) {
+                               new_item = cur_item;
+                               break;
+                       }
+               }
+               if (!new_item) {
+                       debug_print("folder '%s' not found. removing...\n",
+                                   old_item->path);
+                       folder_item_remove(old_item);
+               } else {
+                       old_item->no_sub = new_item->no_sub;
+                       old_item->no_select = new_item->no_select;
+                       if (old_item->no_sub == TRUE && node->children) {
+                               debug_print("folder '%s' doesn't have "
+                                           "subfolders. removing...\n",
+                                           old_item->path);
+                               folder_item_remove_children(old_item);
+                       }
+               }
+
+               node = next;
+       }
+
        for (cur = item_list; cur != NULL; cur = cur->next) {
-               new_item = cur->data;
-               if (!strcmp(new_item->path, "INBOX")) {
-                       if (!folder->inbox) {
-                               new_item->stype = F_INBOX;
-                               folder->inbox = new_item;
-                       } else {
-                               folder_item_destroy(new_item);
-                               continue;
+               FolderItem *cur_item = FOLDER_ITEM(cur->data);
+               new_item = NULL;
+               for (node = item->node->children; node != NULL;
+                    node = node->next) {
+                       if (!strcmp2(FOLDER_ITEM(node->data)->path,
+                                    cur_item->path)) {
+                               new_item = FOLDER_ITEM(node->data);
+                               folder_item_destroy(cur_item);
+                               cur_item = NULL;
+                               break;
                        }
+               }
+               if (!new_item) {
+                       new_item = cur_item;
+                       debug_print("new folder '%s' found.\n", new_item->path);
+                       folder_item_append(item, new_item);
+               }
+
+               if (!strcmp(new_item->path, "INBOX")) {
+                       new_item->stype = F_INBOX;
+                       folder->inbox = new_item;
                } else if (!item->parent || item->stype == F_INBOX) {
                        gchar *base;
 
@@ -1267,7 +1346,7 @@ static gint imap_scan_tree_recursive(IMAPSession *session, FolderItem *item)
                                folder->trash = new_item;
                        }
                }
-               folder_item_append(item, new_item);
+
                if (new_item->no_sub == FALSE)
                        imap_scan_tree_recursive(session, new_item);
        }
@@ -1303,6 +1382,10 @@ static GSList *imap_parse_list(IMAPFolder *folder, IMAPSession *session,
                strretchomp(buf);
                if (buf[0] != '*' || buf[1] != ' ') {
                        log_print("IMAP4< %s\n", buf);
+                       if (sscanf(buf, "%*d %16s", buf) < 1 ||
+                           strcmp(buf, "OK") != 0)
+                               log_warning(_("error occurred while getting LIST.\n"));
+                               
                        break;
                }
                debug_print("IMAP4< %s\n", buf);
@@ -1353,7 +1436,7 @@ static GSList *imap_parse_list(IMAPFolder *folder, IMAPSession *session,
 
                item_list = g_slist_append(item_list, new_item);
 
-               debug_print("folder %s has been added.\n", loc_path);
+               debug_print("folder '%s' found.\n", loc_path);
                g_free(loc_path);
                g_free(loc_name);
        }
@@ -1978,14 +2061,15 @@ static IMAPNameSpace *imap_find_namespace_from_list(GList *ns_list,
 
        if (!path) path = "";
 
-       Xstrcat_a(tmp_path, path, "/", return NULL);
-
        for (; ns_list != NULL; ns_list = ns_list->next) {
                IMAPNameSpace *tmp_ns = ns_list->data;
 
+               Xstrcat_a(tmp_path, path, "/", return namespace);
                Xstrdup_a(name, tmp_ns->name, return namespace);
-               if (tmp_ns->separator && tmp_ns->separator != '/')
+               if (tmp_ns->separator && tmp_ns->separator != '/') {
+                       subst_char(tmp_path, tmp_ns->separator, '/');
                        subst_char(name, tmp_ns->separator, '/');
+               }
                if (strncmp(tmp_path, name, strlen(name)) == 0)
                        namespace = tmp_ns;
        }
@@ -2075,7 +2159,7 @@ static gchar *imap_parse_atom(SockInfo *sock, gchar *src,
 
                cur_pos = strchr_cpy(cur_pos + 1, '}', buf, sizeof(buf));
                len = atoi(buf);
-               g_return_val_if_fail(len > 0, cur_pos);
+               g_return_val_if_fail(len >= 0, cur_pos);
 
                g_string_truncate(str, 0);
                cur_pos = str->str;
@@ -2118,7 +2202,7 @@ static gchar *imap_get_header(SockInfo *sock, gchar *cur_pos, gchar **headers,
 
        cur_pos = strchr_cpy(cur_pos + 1, '}', buf, sizeof(buf));
        len = atoi(buf);
-       g_return_val_if_fail(len > 0, cur_pos);
+       g_return_val_if_fail(len >= 0, cur_pos);
 
        g_string_truncate(str, 0);
        cur_pos = str->str;
@@ -2377,15 +2461,13 @@ static gint imap_status(IMAPSession *session, IMAPFolder *folder,
        gchar *real_path;
        gchar *real_path_;
        gint ok;
-       GPtrArray *argbuf;
+       GPtrArray *argbuf = NULL;
        gchar *str;
 
-       *messages = *recent = *uid_next = *uid_validity = *unseen = 0;
-
-       if (path == NULL)
-               return -1;
-
-       argbuf = g_ptr_array_new();
+       if (messages && recent && uid_next && uid_validity && unseen) {
+               *messages = *recent = *uid_next = *uid_validity = *unseen = 0;
+               argbuf = g_ptr_array_new();
+       }
 
        real_path = imap_get_real_path(folder, path);
        QUOTE_IF_REQUIRED(real_path_, real_path);
@@ -2394,7 +2476,7 @@ static gint imap_status(IMAPSession *session, IMAPFolder *folder,
                      real_path_);
 
        ok = imap_cmd_ok(session, argbuf);
-       if (ok != IMAP_SUCCESS) THROW(ok);
+       if (ok != IMAP_SUCCESS || !argbuf) THROW(ok);
 
        str = search_array_str(argbuf, "STATUS");
        if (!str) THROW(IMAP_ERROR);
@@ -2428,8 +2510,10 @@ static gint imap_status(IMAPSession *session, IMAPFolder *folder,
 
 catch:
        g_free(real_path);
-       ptr_array_free_strings(argbuf);
-       g_ptr_array_free(argbuf, TRUE);
+       if (argbuf) {
+               ptr_array_free_strings(argbuf);
+               g_ptr_array_free(argbuf, TRUE);
+       }
 
        return ok;
 }
@@ -2769,7 +2853,7 @@ static gint imap_cmd_fetch(IMAPSession *session, guint32 uid, const gchar *filen
        cur_pos = strchr_cpy(cur_pos + 1, '}', size_str, sizeof(size_str));
        RETURN_ERROR_IF_FAIL(cur_pos != NULL);
        size_num = atol(size_str);
-       RETURN_ERROR_IF_FAIL(size_num > 0);
+       RETURN_ERROR_IF_FAIL(size_num >= 0);
 
        RETURN_ERROR_IF_FAIL(*cur_pos == '\0');
 
@@ -2859,10 +2943,7 @@ static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
                argbuf = g_ptr_array_new();
 
                ok = imap_cmd_ok(session, argbuf);
-               if (ok != IMAP_SUCCESS)
-                       log_warning(_("can't append message to %s\n"),
-                                   destfolder_);
-               else if (argbuf->len > 0) {
+               if ((ok == IMAP_SUCCESS) && (argbuf->len > 0)) {
                        resp_str = g_ptr_array_index(argbuf, argbuf->len - 1);
                        if (resp_str &&
                            sscanf(resp_str, "%*u OK [APPENDUID %*u %u]",
@@ -2876,15 +2957,41 @@ static gint imap_cmd_append(IMAPSession *session, const gchar *destfolder,
        } else
                ok = imap_cmd_ok(session, NULL);
 
+       if (ok != IMAP_SUCCESS)
+               log_warning(_("can't append message to %s\n"),
+                           destfolder_);
+
        return ok;
 }
 
+static MsgNumberList *imapset_to_numlist(IMAPSet imapset)
+{
+       gchar **ranges, **range;
+       guint32 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)
+                       uids = g_slist_prepend(uids, GINT_TO_POINTER(low));
+               else {
+                       int i;
+                       for (i = low; i <= high; i++)
+                               uids = g_slist_prepend(uids, GINT_TO_POINTER(i));
+               }
+       }
+       uids = g_slist_reverse(uids);
+       g_strfreev(ranges);
+
+       return uids;
+}
+
 static gint imap_cmd_copy(IMAPSession *session, const gchar *seq_set,
                          const gchar *destfolder, GRelation *uid_mapping)
 {
        gint ok;
        gchar *destfolder_;
-       GPtrArray *reply;
        
        g_return_val_if_fail(session != NULL, IMAP_ERROR);
        g_return_val_if_fail(seq_set != NULL, IMAP_ERROR);
@@ -2893,25 +3000,48 @@ static gint imap_cmd_copy(IMAPSession *session, const gchar *seq_set,
        QUOTE_IF_REQUIRED(destfolder_, destfolder);
        imap_gen_send(session, "UID COPY %s %s", seq_set, destfolder_);
 
-       reply = g_ptr_array_new();
+       if (uid_mapping != NULL && session->uidplus) {
+               GPtrArray *reply;               
+               gchar *resp_str = NULL, *olduids_str, *newuids_str;
+               MsgNumberList *olduids, *old_cur, *newuids, *new_cur;
+
+               reply = g_ptr_array_new();
+               ok = imap_cmd_ok(session, reply);
+               if ((ok == IMAP_SUCCESS) && (reply->len > 0)) {
+                       resp_str = g_ptr_array_index(reply, reply->len - 1);
+                       if (resp_str) {
+                               olduids_str = g_new0(gchar, strlen(resp_str));
+                               newuids_str = g_new0(gchar, strlen(resp_str));
+                               if (sscanf(resp_str, "%*s OK [COPYUID %*u %[0-9,:] %[0-9,:]]",
+                                          olduids_str, newuids_str) == 2) {
+                                       olduids = imapset_to_numlist(olduids_str);
+                                       newuids = imapset_to_numlist(newuids_str);
+
+                                       old_cur = olduids;
+                                       new_cur = newuids;
+                                       while(old_cur != NULL && new_cur != NULL) {
+                                               g_relation_insert(uid_mapping, 
+                                                                 GPOINTER_TO_INT(old_cur->data),
+                                                                 GPOINTER_TO_INT(new_cur->data));
+                                               old_cur = g_slist_next(old_cur);
+                                               new_cur = g_slist_next(new_cur);
+                                       }
+
+                                       g_slist_free(olduids);
+                                       g_slist_free(newuids);
+                               }
+                               g_free(olduids_str);
+                               g_free(newuids_str);
+                       }
+               }
+               ptr_array_free_strings(reply);
+               g_ptr_array_free(reply, TRUE);
+       } else
+               ok = imap_cmd_ok(session, NULL);
 
-       ok = imap_cmd_ok(session, reply);
        if (ok != IMAP_SUCCESS)
                log_warning(_("can't copy %s to %s\n"), seq_set, destfolder_);
-/*
-       TODO: UIDPLUS
-       
-       - split IMAPSets into uids
-       - g_relation_insert(uid_mapping, olduid, newuid);
-
-       else if (imap_has_capability(session, "UIDPLUS") && reply->len > 0)
-               if ((okmsginfo = g_ptr_array_index(reply, reply->len - 1)) != NULL &&
-                   sscanf(okmsginfo, "%*u OK [COPYUID %*u %u %u]", &olduid, &newuid) == 2 &&
-                   olduid == msgnum)
-                       *new_uid = newuid;
-*/
-       ptr_array_free_strings(reply);
-       g_ptr_array_free(reply, TRUE);
+
        return ok;
 }
 
@@ -2968,11 +3098,14 @@ static gint imap_cmd_store(IMAPSession *session, IMAPSet seq_set,
        return IMAP_SUCCESS;
 }
 
-static gint imap_cmd_expunge(IMAPSession *session)
+static gint imap_cmd_expunge(IMAPSession *session, IMAPSet seq_set)
 {
        gint ok;
 
-       imap_gen_send(session, "EXPUNGE");
+       if (seq_set && session->uidplus)
+               imap_gen_send(session, "UID EXPUNGE %s", seq_set);
+       else    
+               imap_gen_send(session, "EXPUNGE");
        if ((ok = imap_cmd_ok(session, NULL)) != IMAP_SUCCESS) {
                log_warning(_("error while imap command: EXPUNGE\n"));
                return ok;