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add msg.property option to rbe, randon, smooth and base64 nodes

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This commit is contained in:
Dave Conway-Jones
2018-01-30 21:42:14 +00:00
parent 4ed7ab590d
commit be79b6a1c6
17 changed files with 527 additions and 565 deletions
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22
parsers/base64/70-base64.js
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@@ -1,28 +1,32 @@
module.exports = function(RED) {
"use strict";
function Base64Node(n) {
RED.nodes.createNode(this,n);
this.property = n.property||"payload";
var node = this;
this.on("input", function(msg) {
if (msg.hasOwnProperty("payload")) {
if (Buffer.isBuffer(msg.payload)) {
var value = RED.util.getMessageProperty(msg,node.property);
if (value !== undefined) {
if (Buffer.isBuffer(value)) {
// Take binary buffer and make into a base64 string
msg.payload = msg.payload.toString('base64');
value = value.toString('base64');
RED.util.setMessageProperty(msg,node.property,value);
node.send(msg);
}
else if (typeof msg.payload === "string") {
else if (typeof value === "string") {
// Take base64 string and make into binary buffer
var load = msg.payload.replace(/\s+/g,''); // remove any whitespace
var load = value.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');
value = new Buffer(load,'base64');
RED.util.setMessageProperty(msg,node.property,value);
node.send(msg);
}
else {
//node.log("Not a Base64 string - maybe we should encode it...");
msg.payload = (new Buffer(msg.payload,"binary")).toString('base64');
value = (new Buffer(value,"binary")).toString('base64');
RED.util.setMessageProperty(msg,node.property,value);
node.send(msg);
}
}
@@ -30,7 +34,7 @@ module.exports = function(RED) {
node.warn("This node only handles strings or buffers.");
}
}
else { node.warn("No payload found to process"); }
else { node.warn("No property found to process"); }
});
}
RED.nodes.registerType("base64",Base64Node);