Added filepath component length limit with truncator. Fixed double extension dot when copying original extension. Moved API keys to local config.

src/save/save.js

@@ -1,10 +1,19 @@
 'use strict';
 
+const config = require('config');
 const fs = require('fs-extra');
 const path = require('path');
 const ffmpeg = require('fluent-ffmpeg');
 
-function save(filepath, streams, item, post) {
+function save(requestedFilepath, streams, item, post) {
+    const filepath = requestedFilepath.split('/').map(component => {
+        if(config.library.truncate && component.length > config.library.truncate.limit) {
+            return component.slice(0, config.library.truncate.limit - config.library.truncate.truncator.length) + config.library.truncate.truncator;
+        }
+
+        return component;
+    }).join(path.sep);
+
     const pathComponents = path.parse(filepath);
 
     // allow for single stream argument