Make sure we don't try to get metadata for blobs

www/common/outer/async-store.js

@@ -675,6 +675,8 @@ define([
                 sem.take(function (give) {
                     var otherOwners = false;
                     nThen(function (_w) {
+                        // Don't check server metadata for blobs
+                        if (c.length !== 32) { return; }
                         Store.anonRpcMsg(null, {
                             msg: 'GET_METADATA',
                             data: c
@@ -1807,6 +1809,7 @@ define([
             var cb = Util.once(Util.mkAsync(_cb));
 
             if (!data.channel) { return void cb({ error: 'ENOTFOUND'}); }
+            if (!data.channel.length !== 32) { return void cb({ error: 'EINVAL'}); }
             store.anon_rpc.send('GET_METADATA', data.channel, function (err, obj) {
                 if (err) { return void cb({error: err}); }
                 var metadata = (obj && obj[0]) || {};