Remove preprocess image on upload image or it will losing support of image some formats

app.js

@@ -462,29 +462,13 @@ app.post('/uploadimage', function (req, res) {
         form.uploadDir = "public/uploads";
     }
 
-    function preprocessImage(path) {
-        return new Promise((resolve) => {
-            var oldFile = `${path}-old`;
-            fs.rename(path, oldFile, function() {
-                var sharp = require('sharp');
-                sharp(oldFile).toFile(path).then(() => {
-                    fs.unlink(oldFile, function() {
-                        resolve(path);
-                    })
-                });
-            });
-        });
-    }
-
     form.parse(req, function (err, fields, files) {
         if (err || !files.image || !files.image.path) {
             response.errorForbidden(res);
         } else {
-            preprocessImage(files.image.path).then(() => {
             if (config.debug)
                 logger.info('SERVER received uploadimage: ' + JSON.stringify(files.image));
                 
-                var path = require('path');
             try {
                 switch (config.imageUploadType) {
                 case 'filesystem':
@@ -542,11 +526,6 @@ app.post('/uploadimage', function (req, res) {
                 logger.error(err);
                 return res.status(500).end('upload image error');
             }
-
-            }).catch((err) => {
-                logger.error(err);
-                return res.status(500).end('process image error');
-            });
         }
     });
 });

package.json

@@ -101,7 +101,6 @@
     "scrypt": "^6.0.3",
     "select2": "^3.5.2-browserify",
     "sequelize-cli": "^2.4.0",
-    "sharp": "^0.16.2",
     "shortid": "2.2.6",
     "socket.io": "~1.6.0",
     "socket.io-client": "~1.6.0",