Merge pull request #2070 from MetaMask/filter-leak-fix3

Memory leak fixes - stream and filter life cycles

1 files changed, 9 insertions, 0 deletions

diff --git a/app/scripts/lib/createOriginMiddleware.js b/app/scripts/lib/createOriginMiddleware.js
new file mode 100644
index 000000000..e1e097cc4
--- /dev/null
+++ b/app/scripts/lib/createOriginMiddleware.js
@@ -0,0 +1,9 @@
+// append dapp origin domain to request
+module.exports = createOriginMiddleware
+
+function createOriginMiddleware({ origin }) {
+  return function originMiddleware (req, res, next, end) {
+    req.origin = origin
+    next()
+  }
+}
\ No newline at end of file