Merge branch 'release-4.7-t4merge'

1 files changed, 5 insertions, 5 deletions

diff --git a/app/post.go b/app/post.go
index 005624605..be9374e10 100644
--- a/app/post.go
+++ b/app/post.go
@@ -876,6 +876,10 @@ func (a *App) imageProxyConfig() (proxyType, proxyURL, options, siteURL string)
 		proxyURL += "/"
 	}
 
+	if siteURL == "" || siteURL[len(siteURL)-1] != '/' {
+		siteURL += "/"
+	}
+
 	if cfg.ServiceSettings.ImageProxyOptions != nil {
 		options = *cfg.ServiceSettings.ImageProxyOptions
 	}
@@ -890,14 +894,10 @@ func (a *App) ImageProxyAdder() func(string) string {
 	}
 
 	return func(url string) string {
-		if url == "" || strings.HasPrefix(url, proxyURL) {
+		if url == "" || url[0] == '/' || strings.HasPrefix(url, siteURL) || strings.HasPrefix(url, proxyURL) {
 			return url
 		}
 
-		if url[0] == '/' {
-			url = siteURL + url
-		}
-
 		switch proxyType {
 		case "atmos/camo":
 			mac := hmac.New(sha1.New, []byte(options))