add rss button

[ikiwiki.git] / IkiWiki / CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 45a72bfcb0e57fb04cd1f35caf4792fbf0ee2f59..52da67b9a13453ba4c83fc81edc474a4da89d360 100644 (file)
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -28,6 +28,8 @@ sub page_locked ($$;$) { #{{{
 sub cgi_recentchanges ($) { #{{{
        my $q=shift;
        
+       unlockwiki();
+
        my $template=HTML::Template->new(
                filename => "$config{templatedir}/recentchanges.tmpl"
        );
@@ -142,12 +144,13 @@ sub cgi_signin ($$) { #{{{
                        $session->param("name", $form->field("name"));
                        if (defined $form->field("do") && 
                            $form->field("do") ne 'signin') {
-                               print $q->redirect(
-                                       "$config{cgiurl}?do=".$form->field("do").
-                                       "&page=".$form->field("page").
-                                       "&title=".$form->field("title").
-                                       "&subpage=".$form->field("subpage").
-                                       "&from=".$form->field("from"));;
+                               print $q->redirect(cgiurl(
+                                       do => $form->field("do"),
+                                       page => $form->field("page"),
+                                       title => $form->field("title"),
+                                       subpage => $form->field("subpage"),
+                                       from => $form->field("from"),
+                               ));
                        }
                        else {
                                print $q->redirect($config{url});
@@ -292,8 +295,10 @@ sub cgi_editpage ($$) { #{{{
        );
        my @buttons=("Save Page", "Preview", "Cancel");
        
-       my ($page)=$form->param('page')=~/$config{wiki_file_regexp}/;
-       if (! defined $page || ! length $page || $page ne $q->param('page') ||
+       # This untaint is safe because titlepage removes any problimatic
+       # characters.
+       my ($page)=titlepage(possibly_foolish_untaint(lc($form->param('page'))));
+       if (! defined $page || ! length $page ||
            $page=~/$config{wiki_file_prune_regexp}/ || $page=~/^\//) {
                error("bad page name");
        }
@@ -353,14 +358,16 @@ sub cgi_editpage ($$) { #{{{
                        my ($from)=$form->param('from')=~/$config{wiki_file_regexp}/;
                        if (! defined $from || ! length $from ||
                            $from ne $form->param('from') ||
-                           $from=~/$config{wiki_file_prune_regexp}/ || $from=~/^\//) {
+                           $from=~/$config{wiki_file_prune_regexp}/ ||
+                           $from=~/^\// ||
+                           $form->submitted eq "Preview") {
                                @page_locs=$best_loc=$page;
                        }
                        else {
                                my $dir=$from."/";
                                $dir=~s![^/]+/$!!;
                                
-                               if (length $form->param('subpage') ||
+                               if ((defined $form->param('subpage') && length $form->param('subpage')) ||
                                    $page eq 'discussion') {
                                        $best_loc="$from/$page";
                                }
@@ -479,8 +486,8 @@ sub cgi () { #{{{
                return;
        }
        
-       CGI::Session->name("ikiwiki_session");
-
+       CGI::Session->name("ikiwiki_session_$config{wikiname}");
+       
        my $oldmask=umask(077);
        my $session = CGI::Session->new("driver:db_file", $q,
                { FileName => "$config{wikistatedir}/sessions.db" });
@@ -507,12 +514,8 @@ sub cgi () { #{{{
                cgi_prefs($q, $session);
        }
        elsif ($do eq 'blog') {
-               # munge page name to be valid, no matter what freeform text
-               # is entered
-               my $page=lc($q->param('title'));
-               $page=~y/ /_/;
-               $page=~s/([^-A-Za-z0-9_:+/])/"__".ord($1)."__"/eg;
-               # if the page already exist, munge it to be unique
+               my $page=titlepage(lc($q->param('title')));
+               # if the page already exists, munge it to be unique
                my $from=$q->param('from');
                my $add="";
                while (exists $oldpagemtime{"$from/$page$add"}) {