From f359a96f9ee30a8d3ae82f72f7164cd79b06fdb7 Mon Sep 17 00:00:00 2001
From: Patrick Nagurny <patrick@bitpay.com>
Date: Wed, 16 Sep 2015 12:05:37 -0400
Subject: [PATCH] check for valid date

---
 lib/blocks.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/blocks.js b/lib/blocks.js
index 8b15f16..1c102df 100644
--- a/lib/blocks.js
+++ b/lib/blocks.js
@@ -89,6 +89,11 @@ BlockController.prototype.list = function(req, res) {
 
   if (req.query.blockDate) {
     dateStr = req.query.blockDate;
+    var datePattern = /\d{4}-\d{2}-\d{2}/;
+    if(!datePattern.test(dateStr)) {
+      return common.handleErrors(new Error('Please use yyyy-mm-dd format'), res);
+    }
+
     isToday = dateStr === todayStr;
   } else {
     dateStr = todayStr;