Add font types to asset filter (~a) (#4928)

* Add font types to asset filter (~a)

* Add PR number to changelog

* remove flash mention

* restore asset test

Co-authored-by: Maximilian Hils <github@maximilianhils.com>

CHANGELOG.md

@@ -15,6 +15,7 @@
 * Base container image bumped to Debian 11 Bullseye (@Kriechi)
 * Upstream replays don't do CONNECT on plaintext HTTP requests (#4876, @HoffmannP)
 * Remove workarounds for old pyOpenSSL versions (#4831, @KarlParkinson)
+* Add fonts to asset filter (~a) (#4928, @elespike)
 
 ## 28 September 2021: mitmproxy 7.0.4
 

mitmproxy/flowfilter.py

@@ -15,7 +15,8 @@
                         application/javascript
                         text/css
                         image/*
-                        application/x-shockwave-flash
+                        font/*
+                        application/font-*
         ~h rex      Header line in either request or response
         ~hq rex     Header in request
         ~hs rex     Header in response
@@ -167,13 +168,15 @@ def _check_content_type(rex, message):
 
 class FAsset(_Action):
     code = "a"
-    help = "Match asset in response: CSS, JavaScript, images."
+    help = "Match asset in response: CSS, JavaScript, images, fonts."
     ASSET_TYPES = [re.compile(x) for x in [
         b"text/javascript",
         b"application/x-javascript",
         b"application/javascript",
         b"text/css",
-        b"image/.*"
+        b"image/.*",
+        b"font/.*",
+        b"application/font-.*",
     ]]
 
     @only(http.HTTPFlow)

web/src/js/filt/filt.peg

@@ -45,7 +45,9 @@ var ASSET_TYPES = [
     new RegExp("application/x-javascript"),
     new RegExp("application/javascript"),
     new RegExp("text/css"),
-    new RegExp("image/.*")
+    new RegExp("image/.*"),
+    new RegExp("font/.*"),
+    new RegExp("application/font.*"),
 ];
 function assetFilter(flow) {
     if (flow.response) {