RUMM-1679 Decode deflated http body

instrumented-tests/http-server-mock/python/start_mock_server.py

@@ -14,6 +14,7 @@
 import sys
 import time
 import base64
+import zlib
 
 # If `--prefer-localhost` argument is set, the server will listen on http://127.0.0.1:8000.
 # By default it tries to discover private IP address on local network and uses localhost as fallback.
@@ -55,6 +56,11 @@ def __POST_any(self, parameters):
         global history
         request_path = parameters[0]
         request_body = self.rfile.read(int(self.headers['Content-Length']))
+
+        # Decompress 'deflate' encoded body 
+        if 'Content-Encoding' in self.headers and self.headers['Content-Encoding'] == 'deflate':
+            request_body = zlib.decompress(request_body)
+
         request = GenericRequest("POST", request_path, self.headers, request_body)
         history.add_request(request)
         return "{}"
@@ -105,7 +111,7 @@ def __init__(self, http_method, path, http_headers, http_body):
         self.path = path
         self.http_method = http_method
         self.http_headers = http_headers
-        self.http_body = http_body
+        self.http_body = http_body    
 
 class GenericRequestsHistory:
     """