From a5dad2930037b466542f1e77d3cbb0d0cbf184aa Mon Sep 17 00:00:00 2001
From: Yukai Huang <yukaihuangtw@gmail.com>
Date: Mon, 14 Nov 2016 17:07:07 +0800
Subject: [PATCH] support filesystem image upload

---
 app.js        | 38 ++++++++++++++++++++++++++------------
 lib/config.js |  6 +++++-
 2 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/app.js b/app.js
index 30baf1c..f5f8a3a 100644
--- a/app.js
+++ b/app.js
@@ -405,6 +405,7 @@ app.get('/me', function (req, res) {
 //upload to imgur
 app.post('/uploadimage', function (req, res) {
     var form = new formidable.IncomingForm();
+
     form.uploadDir = "public/uploads";
     form.keepExtensions = true;
 
@@ -414,20 +415,33 @@ app.post('/uploadimage', function (req, res) {
         } else {
             if (config.debug)
                 logger.info('SERVER received uploadimage: ' + JSON.stringify(files.image));
-            imgur.setClientId(config.imgur.clientID);
+
             try {
-                imgur.uploadFile(files.image.path)
-                    .then(function (json) {
-                        if (config.debug)
-                            logger.info('SERVER uploadimage success: ' + JSON.stringify(json));
-                        res.send({
-                            link: json.data.link.replace(/^http:\/\//i, 'https://')
-                        });
-                    })
-                    .catch(function (err) {
-                        logger.error(err);
-                        return res.status(500).end('upload image error');
+                switch (config.imageUploadType) {
+                case 'filesystem':
+                    res.send({
+                        link: files.image.path.match(/^public(.+$)/)[1]
                     });
+
+                    break;
+
+                case 'imgur':
+                default:
+                    imgur.setClientId(config.imgur.clientID);
+                    imgur.uploadFile(files.image.path)
+                        .then(function (json) {
+                            if (config.debug)
+                                logger.info('SERVER uploadimage success: ' + JSON.stringify(json));
+                            res.send({
+                                link: json.data.link.replace(/^http:\/\//i, 'https://')
+                            });
+                        })
+                        .catch(function (err) {
+                            logger.error(err);
+                            return res.status(500).end('upload image error');
+                        });
+                    break;
+                }
             } catch (err) {
                 logger.error(err);
                 return res.status(500).end('upload image error');
diff --git a/lib/config.js b/lib/config.js
index 76b21f0..001cc8f 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -56,6 +56,9 @@ var heartbeattimeout = config.heartbeattimeout || 10000;
 // document
 var documentmaxlength = config.documentmaxlength || 100000;
 
+// image upload setting, available options are imgur/s3/filesystem
+var imageUploadType = config.imageUploadType || 'imgur';
+
 // auth
 var facebook = (process.env.HMD_FACEBOOK_CLIENTID && process.env.HMD_FACEBOOK_CLIENTSECRET) ? {
     clientID: process.env.HMD_FACEBOOK_CLIENTID,
@@ -139,5 +142,6 @@ module.exports = {
     gitlab: gitlab,
     dropbox: dropbox,
     google: google,
-    imgur: imgur
+    imgur: imgur,
+    imageUploadType: imageUploadType
 };