Replace upsidedown with mirror reflection

examples/simple/internet_in_mirror.py

@@ -0,0 +1,9 @@
+"""
+This script reflects all content passing through the proxy.
+"""
+from mitmproxy import http
+
+
+def response(flow: http.HTTPFlow) -> None:
+    reflector = b"<style>body {transform: scaleX(-1);}</style></head>"
+    flow.response.content = flow.response.content.replace(b"</head>", reflector)

examples/simple/upsidedownternet.py

@@ -1,16 +0,0 @@
-"""
-This script rotates all images passing through the proxy by 180 degrees.
-"""
-import io
-from PIL import Image
-from mitmproxy import http
-
-
-def response(flow: http.HTTPFlow) -> None:
-    if flow.response.headers.get("content-type", "").startswith("image"):
-        s = io.BytesIO(flow.response.content)
-        img = Image.open(s).rotate(180)
-        s2 = io.BytesIO()
-        img.save(s2, "png")
-        flow.response.content = s2.getvalue()
-        flow.response.headers["content-type"] = "image/png"