added addon for pre-configured docker proxy

mitmproxy/addons/docker.py

@@ -0,0 +1,64 @@
+import logging
+import shutil
+import subprocess
+import tempfile
+import json
+import os
+from mitmproxy import command
+from mitmproxy import ctx
+from mitmproxy.log import ALERT
+
+
+class Docker:
+
+    @command.command("docker.enable")
+    def enable(self) -> None:
+    # def start(self) -> None:
+        """
+        Enable docker proxy to started [Make sure to run `docker.disable` when done]
+        Rebuild container after enabling this option
+        """
+        if not shutil.which("docker"):
+            logging.log(
+                    ALERT, "Docker not installed or not avaialble in path"
+                )
+            return
+
+        config = {}
+        config_path = os.path.join(os.path.expanduser('~'),".docker","config.json")
+        with open(config_path,"r") as file:
+            config = json.load(file)
+            config['proxies'] = {
+                "default" : {
+                    "httpProxy": 'http://host.docker.internal:{}/'.format(ctx.options.listen_port or "8080"),
+                    "httpsProxy": 'https://host.docker.internal:{}/'.format(ctx.options.listen_port or "8080"),
+                }
+            }
+            logging.debug(config)
+
+        with open(config_path,"w") as file:
+            json.dump(config,file)
+
+        logging.log(ALERT,"Enabled proxy [updated:~/.docker/config.json]")
+
+    @command.command("docker.disable")
+    def disable(self) -> None:
+    # def start(self) -> None:
+        """
+        Disable docker proxy [Rebuild container after disabling this option]
+        """
+        if not shutil.which("docker"):
+            logging.log(
+                    ALERT, "Docker not installed or not avaialble in path"
+                )
+            return
+
+        config = {}
+        config_path = os.path.join(os.path.expanduser('~'),".docker","config.json")
+        with open(config_path,"r") as file:
+            config = json.load(file)
+            config['proxies'] = {}
+            logging.debug(config)
+
+        with open(config_path,"w") as file:
+            json.dump(config,file)

test.py

@@ -0,0 +1,7 @@
+import subprocess
+from shutil import which
+
+l = subprocess.Popen(["docker","run","mitm"])
+
+if (which("docker")):
+    print(l)