my $head_field = $head->get($_);
next unless defined $head_field and $head_field ne '';
if ($_ eq 'From') {
- push @headers,q(<img src=").__libravatar_url(decode_rfc1522($head_field)).q(">);
+ my $libravatar_url = __libravatar_url(decode_rfc1522($head_field));
+ if (defined $libravatar_url and length $libravatar_url) {
+ push @headers,q(<img src=").$libravatar_url.q(">);
+ }
}
push @headers, qq(<p><span class="header">$_:</span> ) . html_escape(decode_rfc1522($head_field))."</p>";
}
sub __libravatar_url {
my ($email) = @_;
+ if (not defined $config{libravatar_uri} or not length $config{libravatar_uri}) {
+ return undef;
+ }
($email) = get_addresses($email);
- return "http://cdn.libravatar.org/avatar/".md5_hex(lc($email))."?d=retro";
+ return $config{libravatar_uri}.md5_hex(lc($email)).($config{libravatar_uri_options}//'');
}
set_default(\%config,'bug_subscription_domain',$config{list_domain});
+=head2 CGI Options
+
+=over
+
+=item libravatar_uri
+
+URI to a libravatar configuration. If empty or undefined, libravatar
+support will be disabled. Defaults to
+http://cdn.libravatar.org/avatar/ which uses a federated Avatar system
+and falls back to gravatar if necessary.
+
+=cut
+
+set_default(\%config,'libravatar_uri',"http://cdn.libravatar.org/avatar/");
+
+=item libravatar_uri_options
+
+Options to append to the md5_hex of the e-mail. This sets the default
+avatar used when an avatar isn't available. Currently defaults to
+'?d=retro', which causes a bitmap-looking avatar to be displayed for
+unknown e-mails.
+
+Other options which make sense include ?d=404, ?d=wavatar, etc. See
+the API of libravatar for details.
+
+=cut
+
+set_default(\%config,'libravatar_uri_options','?d=retro');
+
+
+=back
+
=head2 Misc Options
=over