Merge branch 'shared-data-model' of gitlab.coko.foundation:xpub/xpub-epmc into shared-data-model

server/minio-server/src/FileBackend.js

 const config = require('config')
-
 const expressMinio = require('express-middleware-minio')
 
 const minioMiddleware = expressMinio.middleware()
@@ -32,19 +31,14 @@ module.exports = app => {
 
   app.get(
     `/api/files/:filename`,
-    minioMiddleware({ op: expressMinio.Ops.get }),
+    minioMiddleware({ op: expressMinio.Ops.getStream }),
     (req, res) => {
       if (req.minio.error) {
         res.status(400).json({ error: req.minio.error })
         return
       }
 
-      res.sendFile(req.minio.get.path, {}, err => {
-        if (err) {
-          res.status(500).json({ err })
-        }
-        expressMinio.utils.removeFile(req.minio.get.path)
-      })
+      req.minio.get.stream.pipe(res)
     },
   )
 
@@ -64,19 +58,15 @@ module.exports = app => {
    * files for the pdf conversion stage. */
   app.get(
     `${download_path}/:filename`,
-    minioMiddleware({ op: expressMinio.Ops.get }),
+    minioMiddleware({ op: expressMinio.Ops.getStream }),
     (req, res) => {
       if (req.minio.error) {
         res.status(400).json({ error: req.minio.error })
         return
       }
 
-      res.download(req.minio.get.path, req.minio.get.originalName, err => {
-        if (err) {
-          console.warn('Download failed: ', err)
-        }
-        expressMinio.utils.removeFile(req.minio.get.path)
-      })
+      res.attachment(req.minio.get.originalName)
+      req.minio.get.stream.pipe(res)
     },
   )
 }