add proper url encoding for filenames

api/file.go

@@ -103,7 +103,9 @@ func uploadFile(c *Context, w http.ResponseWriter, r *http.Request) {
 			imageDataList = append(imageDataList, buf.Bytes())
 		}
 
-		fileUrl := "/" + channelId + "/" + c.Session.UserId + "/" + uid + "/" + url.QueryEscape(files[i].Filename)
+		encName := utils.UrlEncode(files[i].Filename)
+
+		fileUrl := "/" + channelId + "/" + c.Session.UserId + "/" + uid + "/" + encName
 		resStruct.Filenames = append(resStruct.Filenames, fileUrl)
 	}
 
@@ -264,6 +266,7 @@ func asyncGetFile(path string, fileData chan []byte) {
 	go func() {
 		data, getErr := readFile(path)
 		if getErr != nil {
+			l4g.Error(getErr)
 			fileData <- nil
 		} else {
 			fileData <- data

utils/urlencode.go

@@ -0,0 +1,19 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package utils
+
+import (
+	"net/url"
+	"strings"
+)
+
+func UrlEncode(str string) string {
+	strs := strings.Split(str, " ")
+
+	for i, s := range strs {
+		strs[i] = url.QueryEscape(s)
+	}
+
+	return strings.Join(strs, "%20")
+}