1 files changed, 43 insertions, 0 deletions
diff --git a/Bugzilla/Quantum/Plugin/BlockIP.pm b/Bugzilla/Quantum/Plugin/BlockIP.pm
new file mode 100644
index 000000000..fbfffad66
--- /dev/null
+++ b/Bugzilla/Quantum/Plugin/BlockIP.pm
@@ -0,0 +1,43 @@
+package Bugzilla::Quantum::Plugin::BlockIP;
+use 5.10.1;
+use Mojo::Base 'Mojolicious::Plugin';
+
+use Bugzilla::Memcached;
+
+use constant BLOCK_TIMEOUT => 60*60;
+
+my $MEMCACHED = Bugzilla::Memcached->_new()->{memcached};
+
+sub register {
+    my ( $self, $app, $conf ) = @_;
+
+    $app->hook(before_routes => \&_before_routes);
+    $app->helper(block_ip    => \&_block_ip);
+    $app->helper(unblock_ip  => \&_unblock_ip);
+}
+
+sub _block_ip {
+    my ($class, $ip) = @_;
+    $MEMCACHED->set("block_ip:$ip" => 1, BLOCK_TIMEOUT) if $MEMCACHED;
+}
+
+sub _unblock_ip {
+    my ($class, $ip) = @_;
+    $MEMCACHED->delete("block_ip:$ip") if $MEMCACHED;
+}
+
+sub _before_routes {
+    my ( $c ) = @_;
+    return if $c->stash->{'mojo.static'};
+
+    my $ip = $c->tx->remote_address;
+    if ($MEMCACHED && $MEMCACHED->get("block_ip:$ip")) {
+        $c->block_ip($ip);
+        $c->res->code(429);
+        $c->res->message("Too Many Requests");
+        $c->res->body("Too Many Requests");
+        $c->finish;
+    }
+}
+
+1;