Make sure we do not pass multiple CGI parameters in function calls

[ikiwiki.git] / IkiWiki / CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index c0d8f598b5f882b27bd2d5671d476aa5164a812b..0224c2aac34d442c47b04e80d13a06db083fa8e2 100644 (file)
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -58,12 +58,18 @@ sub cgitemplate ($$$;@) {
        
        my $template=template("page.tmpl");
 
-       my $topurl = defined $cgi ? $cgi->url : $config{url};
+       my $topurl = $config{url};
+       if (defined $cgi && ! $config{w3mmode} && ! $config{reverse_proxy}) {
+               $topurl = $cgi->url;
+       }
 
        my $page="";
        if (exists $params{page}) {
                $page=delete $params{page};
-               $params{forcebaseurl}=urlabs(urlto($page), $topurl);
+               $params{forcebaseurl}=urlto($page);
+               if (! $config{html5}) {
+                       $params{forcebaseurl}=urlabs($params{forcebaseurl}, $topurl);
+               }
        }
        run_hooks(pagetemplate => sub {
                shift->(
@@ -74,12 +80,17 @@ sub cgitemplate ($$$;@) {
        });
        templateactions($template, "");
 
+       my $baseurl = baseurl();
+       if (! $config{html5}) {
+               $baseurl = urlabs($baseurl, $topurl),
+       }
+
        $template->param(
                dynamic => 1,
                title => $title,
                wikiname => $config{wikiname},
                content => $content,
-               baseurl => urlabs(baseurl(), $topurl),
+               baseurl => $baseurl,
                html5 => $config{html5},
                %params,
        );
@@ -90,7 +101,13 @@ sub cgitemplate ($$$;@) {
 sub redirect ($$) {
        my $q=shift;
        eval q{use URI};
-       my $url=URI->new(urlabs(shift, $q->url));
+
+       my $topurl;
+       if (defined $q && ! $config{w3mmode} && ! $config{reverse_proxy}) {
+               $topurl = $q->url;
+       }
+
+       my $url=URI->new(urlabs(shift, $topurl));
        if (! $config{w3mmode}) {
                print $q->redirect($url);
        }
@@ -110,11 +127,23 @@ sub decode_cgi_utf8 ($) {
        }
 }
 
+sub safe_decode_utf8 ($) {
+    my $octets = shift;
+    # call decode_utf8 on >= 5.20 only if it's not already decoded,
+    # otherwise it balks, on < 5.20, always call it
+    if ($] < 5.02 || !Encode::is_utf8($octets)) {
+        return decode_utf8($octets);
+    }
+    else {
+        return $octets;
+    }
+}
+
 sub decode_form_utf8 ($) {
        if ($] >= 5.01) {
                my $form = shift;
                foreach my $f ($form->field) {
-                       my @value=map { decode_utf8($_) } $form->field($f);
+                       my @value=map { safe_decode_utf8($_) } $form->field($f);
                        $form->field(name  => $f,
                                     value => \@value,
                                     force => 1,