Merge pull request #857 from hackmdio/fix/pdf-links

Fix broken images in PDF caused by misconfigred server URL

Author: SISheogorath

lib/response.js

@@ -327,15 +327,18 @@ function actionInfo (req, res, note) {
 }
 
 function actionPDF (req, res, note) {
+  var url = config.serverURL || 'http://' + req.get('host')
   var body = note.content
   var extracted = models.Note.extractMeta(body)
+  var content = extracted.markdown
   var title = models.Note.decodeTitle(note.title)
 
   if (!fs.existsSync(config.tmpPath)) {
     fs.mkdirSync(config.tmpPath)
   }
   var path = config.tmpPath + '/' + Date.now() + '.pdf'
-  markdownpdf().from.string(extracted.markdown).to(path, function () {
+  content = content.replace(/\]\(\//g, '](' + url + '/')
+  markdownpdf().from.string(content).to(path, function () {
     var stream = fs.createReadStream(path)
     var filename = title
     // Be careful of special characters