-# cgi_goto(CGI, [page])
-# Redirect to a specified page, or display "not found". If not specified,
-# the page param from the CGI object is used.
-sub cgi_goto ($;$) {
- my $q = shift;
- my $page = shift;
-
- if (!defined $page) {
- $page = decode_utf8($q->param("page"));
-
- if (!defined $page) {
- error("missing page parameter");
- }
- }
-
- loadindex();
-
- # If the page is internal (like a comment), see if it has a
- # permalink. Comments do.
- if (isinternal($page) &&
- defined $pagestate{$page}{meta}{permalink}) {
- redirect($q, $pagestate{$page}{meta}{permalink});
- }
-
- my $link = bestlink("", $page);
-
- if (! length $link) {
- print $q->header(-status => "404 Not Found");
- print misctemplate(gettext("missing page"),
- "<p>".
- sprintf(gettext("The page %s does not exist."),
- htmllink("", "", $page)).
- "</p>".
- # Internet Explorer won't show custom 404 responses
- # unless they're >= 512 bytes
- (" " x 512));
- }
- else {
- redirect($q, urlto($link, undef, 1));
- }
-
- exit;
-}
-