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/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */
#include "imap-common.h"
#include "imap-utf7.h"
#include "imap-commands.h"
#include "mail-namespace.h"
static bool
subscribe_is_valid_name(struct client_command_context *cmd, struct mailbox *box)
{
enum mailbox_existence existence;
if (mailbox_exists(box, TRUE, &existence) < 0) {
client_send_box_error(cmd, box);
return FALSE;
}
if (existence == MAILBOX_EXISTENCE_NONE) {
client_send_tagline(cmd, t_strdup_printf(
"NO "MAIL_ERRSTR_MAILBOX_NOT_FOUND,
mailbox_get_vname(box)));
return FALSE;
}
return TRUE;
}
static bool str_ends_with_char(const char *str, char c)
{
size_t len = strlen(str);
return len > 0 && str[len-1] == c;
}
bool cmd_subscribe_full(struct client_command_context *cmd, bool subscribe)
{
struct mail_namespace *ns;
struct mailbox *box, *box2;
const char *mailbox, *orig_mailbox;
bool unsubscribed_mailbox2;
char sep;
/* <mailbox> */
if (!client_read_string_args(cmd, 1, &mailbox))
return FALSE;
orig_mailbox = mailbox;
ns = client_find_namespace(cmd, &mailbox);
if (ns == NULL)
return TRUE;
box = mailbox_alloc(ns->list, mailbox, 0);
event_add_str(cmd->global_event, "mailbox", mailbox_get_vname(box));
if (subscribe) {
if (!subscribe_is_valid_name(cmd, box)) {
mailbox_free(&box);
return TRUE;
}
}
sep = mail_namespace_get_sep(ns);
unsubscribed_mailbox2 = FALSE;
if (!subscribe &&
str_ends_with_char(orig_mailbox, sep) &&
!str_ends_with_char(mailbox, sep)) {
/* try to unsubscribe both "box" and "box/" */
const char *name2 = t_strdup_printf("%s%c", mailbox, sep);
box2 = mailbox_alloc(ns->list, name2, 0);
if (mailbox_set_subscribed(box2, FALSE) == 0)
unsubscribed_mailbox2 = TRUE;
mailbox_free(&box2);
}
if (mailbox_set_subscribed(box, subscribe) < 0 &&
!unsubscribed_mailbox2) {
client_send_box_error(cmd, box);
} else {
client_send_tagline(cmd, subscribe ?
"OK Subscribe completed." :
"OK Unsubscribe completed.");
}
mailbox_free(&box);
return TRUE;
}
bool cmd_subscribe(struct client_command_context *cmd)
{
return cmd_subscribe_full(cmd, TRUE);
}
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