webfuse-server: add header-based authentication

script/authenticator.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/bash
+
+AUTH_TOKEN="$1"
+
+if [[ "$AUTH_TOKEN" == "user:bob;token=foo" ]]
+then
+    echo "$(date): webfuse: auth granted: $AUTH_TOKEN" >> /tmp/webfuse_auth.log
+else
+    echo "$(date): webfuse: auth denied: $AUTH_TOKEN" >> /tmp/webfuse_auth.log
+    exit 1
+fi
+
+

script/provider.py

@@ -272,7 +272,7 @@ class FilesystemProvider:
         }
     
     async def run(self):
-        async with websockets.connect(self.url) as connection:
+        async with websockets.connect(self.url, extra_headers=[("X-Auth-Token", "user:bob;token=foo")]) as connection:
             while True:
                 request = await connection.recv()
                 reader = MessageReader(request)