handle multi-line base64 strings

Author: Dave Conway-Jones

parsers/base64/70-base64.js

@@ -14,9 +14,10 @@ module.exports = function(RED) {
                 }
                 else if (typeof msg.payload === "string") {
                     // Take base64 string and make into binary buffer
-                    var regexp = new RegExp('^[A-Za-z0-9+\/=]*$');
-                    if ( regexp.test(msg.payload) && (msg.payload.length % 4 === 0) ) {
-                        msg.payload = new Buffer(msg.payload,'base64');
+                    var load = msg.payload.replace(/\s+/g,'');      // remove any whitespace
+                    var regexp = new RegExp('^[A-Za-z0-9+\/=]*$');  // check it only contains valid characters
+                    if ( regexp.test(load) && (load.length % 4 === 0) ) {
+                        msg.payload = new Buffer(load,'base64');
                         node.send(msg);
                     }
                     else {

parsers/base64/package.json

@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-base64",
-    "version"       : "0.0.6",
+    "version"       : "0.0.7",
     "description"   : "A Node-RED node to pack and unpack objects to base64 format",
     "dependencies"  : {
     },