Update API URL and add API Key option

Author: jpadilla

bin/filepreviews

@@ -12,6 +12,7 @@ program
 program
   .option('-D, --debug', 'Enable debug logging.')
   .option('-V, --version', 'Show version.')
+  .option('-K, --apiKey [key]', 'Use FilePreviews.io application API Key')
   .option('-m, --metadata [values]', 'Eg: exif,ocr,psd,all')
   .option('-f, --format [values]', 'Eg: png, jpg')
   .option('-h, --height [value]', 'Height value')
@@ -41,7 +42,11 @@ program
     }
 
     if (url.isWebUri(fileURL)) {
-      var preview = new FilePreviews({debug: program.debug});
+      var preview = new FilePreviews({
+        debug: program.debug,
+        apiKey: program.apiKey
+      });
+
       preview.generate(fileURL, options, function(err, result) {
         console.log(JSON.stringify(result, null, ' '));
       });

lib/index.js

@@ -2,15 +2,14 @@
 
 var request = require('request');
 
-var API_URL = 'https://blimp-previews.herokuapp.com/?url=',
-    RESULTS_URL = 'https://s3.amazonaws.com/demo.filepreviews.io/',
+var API_URL = 'https://api.filepreviews.io/v1/?url=',
     FilePreviews;
 
 FilePreviews = function(options) {
   options = options || {};
 
   this.debug = options.debug || false;
-  this.resultsUrl = options.resultsUrl || RESULTS_URL;
+  this.apiKey = options.apiKey;
 };
 
 FilePreviews.prototype.generate = function(url, options, callback) {
@@ -33,10 +32,22 @@ FilePreviews.prototype.submitJobToAPI = function(url, options, callback) {
     }
   }
 
-  var error = 'API request error: ';
-  this._log('API request to: ' + this.getAPIRequestURL(url, options));
+  var error = 'API request error: ',
+    requestUrl = this.getAPIRequestURL(url, options);
 
-  request.get(this.getAPIRequestURL(url, options), function(err, result) {
+  this._log('API request to: ' + requestUrl);
+
+  var requestOptions = {
+    url: requestUrl
+  };
+
+  if (this.apiKey) {
+    requestOptions.headers = {
+      'X-API-Key': this.apiKey
+    };
+  }
+
+  request.get(requestOptions, function(err, result) {
     if (err) console.error(err);
 
     if (result.statusCode === 200 || result.statusCode === 403) {