Add http header support, fixes #69

Author: marcbachmann

README.md

@@ -97,7 +97,13 @@ config = {
   "phantomPath": "./node_modules/phantomjs/bin/phantomjs", // PhantomJS binary which should get downloaded automatically
   "phantomArgs": [], // array of strings used as phantomjs args e.g. ["--ignore-ssl-errors=yes"]
   "script": '/url',           // Absolute path to a custom phantomjs script, use the file in lib/scripts as example
-  "timeout": 30000           // Timeout that will cancel phantomjs, in milliseconds
+  "timeout": 30000,           // Timeout that will cancel phantomjs, in milliseconds
+
+  // HTTP Headers that are used for requests
+  "httpHeaders": {
+    // e.g.
+    "Authorization": "Bearer ACEFAD8C-4B4D-4042-AB30-6C735F5BAC8B"
+  }
 
 }
 ```

lib/scripts/pdf_a4_portrait.js

@@ -28,6 +28,10 @@ exit('Did not receive any html') if !json.html?.trim()
 
 options = json.options
 page = webpage.create()
+
+if options.httpHeaders
+  page.customHeaders = options.httpHeaders
+
 page.content = json.html
 page.viewportSize = vp if vp = options.viewportSize
 totalPages = 0