#687

add ".png" check

models/user.go

@@ -939,7 +939,7 @@ var (
 		"self",
 		"repo-avatars",
 	}
-	reservedUserPatterns = []string{"*.keys", "*.gpg"}
+	reservedUserPatterns = []string{"*.keys", "*.gpg", "*.png"}
 )
 
 // isUsableName checks if name is reserved or pattern of name is not allowed
@@ -955,9 +955,6 @@ func isUsableName(names, patterns []string, name string) error {
 		if name == names[i] {
 			return ErrNameReserved{name}
 		}
-		if strings.HasSuffix(name, ".png") {
-			return ErrNameReserved{name}
-		}
 	}
 
 	for _, pat := range patterns {