403 response may be a "not found" too

[git.ikiwiki.info.git] / IkiWiki / CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 82cad40c80ad92961fb88e1717f9d0f06049af9e..52cafade0f9f7f7ae155402464283e22c991a67d 100644 (file)
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -142,7 +142,12 @@ sub cgi_postsignin ($$) {
                exit;
        }
        else {
-               error(gettext("login failed, perhaps you need to turn on cookies?"));
+               if ($config{sslcookie} && ! $q->https()) {
+                       error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
+               }
+               else {
+                       error(gettext("login failed, perhaps you need to turn on cookies?"));
+               }
        }
 }
 
@@ -229,20 +234,48 @@ sub cgi_prefs ($$) {
        showform($form, $buttons, $session, $q);
 }
 
+sub cgi_custom_failure ($$) {
+       my $header=shift;
+       my $message=shift;
+
+       print $header;
+       print $message;
+
+       # Internet Explod^Hrer won't show custom 404 responses
+       # unless they're >= 512 bytes
+       print ' ' x 512;
+
+       exit;
+}
+
 sub check_banned ($$) {
        my $q=shift;
        my $session=shift;
 
+       my $banned=0;
        my $name=$session->param("name");
-       if (defined $name) {
-               if (grep { $name eq $_ } @{$config{banned_users}}) {
-                       print $q->header(-status => "403 Forbidden");
-                       $session->delete();
-                       print gettext("You are banned.");
-                       cgi_savesession($session);
-                       exit;
+       if (defined $name && 
+           grep { $name eq $_ } @{$config{banned_users}}) {
+               $banned=1;
+       }
+
+       foreach my $b (@{$config{banned_users}}) {
+               if (pagespec_match("", $b,
+                       ip => $ENV{REMOTE_ADDR},
+                       name => defined $name ? $name : "",
+               )) {
+                       $banned=1;
+                       last;
                }
        }
+
+       if ($banned) {
+               $session->delete();
+               cgi_savesession($session);
+               cgi_custom_failure(
+                       $q->header(-status => "403 Forbidden"),
+                       gettext("You are banned."));
+       }
 }
 
 sub cgi_getsession ($) {
@@ -291,87 +324,6 @@ sub cgi_savesession ($) {
        umask($oldmask);
 }
 
-# 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("", "", $page)).
-                       "</p>");
-       }
-       else {
-               redirect($q, urlto($link, undef, 1));
-       }
-
-       exit;
-}
-
-sub cgi_page_from_404 ($$$) {
-       my $path = shift;
-       my $baseurl = shift;
-       my $usedirs = shift;
-
-       # fail if missing from environment or whatever
-       return undef unless defined $path;
-       return undef unless defined $baseurl;
-
-       # with usedirs on, path is like /~fred/foo/bar/ or /~fred/foo/bar or
-       #    /~fred/foo/bar/index.html
-       # with usedirs off, path is like /~fred/foo/bar.html
-       # baseurl is like 'http://people.example.com/~fred'
-
-       # convert baseurl to ~fred
-       unless ($baseurl =~ s{^https?://[^/]+/?}{}) {
-               return undef;
-       }
-
-       # convert path to /~fred/foo/bar
-       if ($usedirs) {
-               $path =~ s/\/*(?:index\.$config{htmlext})?$//;
-       }
-       else {
-               $path =~ s/\.$config{htmlext}$//;
-       }
-
-       # remove /~fred/
-       unless ($path =~ s{^/*\Q$baseurl\E/*}{}) {
-               return undef;
-       }
-
-       # special case for the index
-       unless ($path) {
-               return 'index';
-       }
-
-       return $path;
-}
-
 sub cgi (;$$) {
        my $q=shift;
        my $session=shift;
@@ -399,13 +351,6 @@ sub cgi (;$$) {
                }
        }
 
-       # goto is the preferred name for this; recentchanges_link and
-       # commenter are for compatibility with any saved URLs
-       if ($do eq 'goto' || $do eq 'recentchanges_link' ||
-           $do eq 'commenter') {
-               cgi_goto($q);
-       }
-
        # Need to lock the wiki before getting a session.
        lockwiki();
        loadindex();