www: fix /comment multiparts with empty body

1 files changed, 3 insertions, 6 deletions

diff --git a/juick-www/src/main/java/com/juick/www/controllers/NewMessage.java b/juick-www/src/main/java/com/juick/www/controllers/NewMessage.java
index 2b411523..8f7c8059 100644
--- a/juick-www/src/main/java/com/juick/www/controllers/NewMessage.java
+++ b/juick-www/src/main/java/com/juick/www/controllers/NewMessage.java
@@ -195,15 +195,12 @@ public class NewMessage {
 
     @PostMapping("/comment")
     public String doPostComment(
-            @RequestParam(required = false, defaultValue = "0") Integer mid,
+            @RequestParam Integer mid,
             @RequestParam(required = false, defaultValue = "0") Integer rid,
             @RequestParam(required = false, defaultValue = StringUtils.EMPTY) String body,
-            @RequestParam(required = false) String img,
+            @RequestParam(required = false, defaultValue = StringUtils.EMPTY) String img,
             @RequestParam(required = false) MultipartFile attach) throws IOException {
         com.juick.User visitor = UserUtils.getCurrentUser();
-        if (mid == 0) {
-            throw new HttpBadRequestException();
-        }
         com.juick.Message msg = messagesService.getMessage(mid);
         if (msg == null) {
             throw new HttpNotFoundException();
@@ -217,7 +214,7 @@ public class NewMessage {
             }
         }
 
-        if ((StringUtils.isEmpty(body) || body.length() > 4096) && StringUtils.isEmpty(img)) {
+        if ((StringUtils.isEmpty(body) || body.length() > 4096) && StringUtils.isEmpty(img) && attach == null) {
             throw new HttpBadRequestException();
         }
         body = body.replace("\r", StringUtils.EMPTY);