Merge branch 'jc/maint-clone-alternates' into maint

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 81dacf2b6a5d98550fa56adac9450560c550eee1..50a835a5bf5c617bfc9d91259b54043b5f0a6920 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -6129,7 +6129,16 @@ sub git_blob_plain {
        # want to be sure not to break that by serving the image as an
        # attachment (though Firefox 3 doesn't seem to care).
        my $sandbox = $prevent_xss &&
-               $type !~ m!^(?:text/plain|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
+               $type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
+
+       # serve text/* as text/plain
+       if ($prevent_xss &&
+           ($type =~ m!^text/[a-z]+\b(.*)$! ||
+            ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) {
+               my $rest = $1;
+               $rest = defined $rest ? $rest : '';
+               $type = "text/plain$rest";
+       }
 
        print $cgi->header(
                -type => $type,