Add auth and blacklist APIs

server/actions/showBlacklist.js

@@ -0,0 +1,17 @@
+const BlacklistAPI = require('../BlacklistAPI')
+
+function showBlacklist(req, res) {
+  BlacklistAPI.getPackages().then(
+    blacklist => {
+      res.send({ blacklist })
+    },
+    error => {
+      console.error(error)
+      res.status(500).send({
+        error: 'Unable to fetch blacklist'
+      })
+    }
+  )
+}
+
+module.exports = showBlacklist