check content type

stream.py

@@ -91,7 +91,6 @@ def upstream_type(current, proxy):
     return resp.headers.get("Content-Type", "binary/octet-stream")
  
 def rewrite(current, provider, proxy, ctype):
-
     resp = requests.get(current, proxies=proxy.req)
     ndata = None
     if resp.text is not None:
@@ -203,7 +202,7 @@ class MainHandler(tornado.web.RequestHandler):
         else:
             ctype = upstream_type(upstream, proxy)
             data = None
-            if "mpgurl" in ctype:
+            if "mpegurl" in ctype.lower():
                 data = rewrite(upstream, provider, proxy)
             else:
                 ldata = {}