From eadb13d2e9caaa391f4efe2609a7d54d1723d311 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Fri, 5 Jul 2019 14:15:00 +0100
Subject: [PATCH] Remove FileExfiltrationWriter

---
 synapse/handlers/admin.py | 63 ---------------------------------------
 1 file changed, 63 deletions(-)

diff --git a/synapse/handlers/admin.py b/synapse/handlers/admin.py
index f06914a378..5ff02c12bf 100644
--- a/synapse/handlers/admin.py
+++ b/synapse/handlers/admin.py
@@ -276,66 +276,3 @@ class ExfiltrationWriter(object):
         `export_user_data`.
         """
         pass
-
-
-class FileExfiltrationWriter(ExfiltrationWriter):
-    """An ExfiltrationWriter that writes the user's data to a directory.
-
-    Returns the directory location on completion.
-
-    Args:
-        user_id (str): The user whose data is being exported.
-        directory (str|None): The directory to write the data to. If None then
-            will write to a temporary directory.
-    """
-
-    def __init__(self, user_id, directory=None):
-        self.user_id = user_id
-
-        if directory:
-            self.base_directory = directory
-        else:
-            self.base_directory = tempfile.mkdtemp(
-                prefix="synapse-exported__%s__" % (user_id,)
-            )
-
-        os.makedirs(self.base_directory, exist_ok=True)
-        if list(os.listdir(self.base_directory)):
-            raise Exception("Directory must be empty")
-
-    def write_events(self, room_id, events):
-        room_directory = os.path.join(self.base_directory, "rooms", room_id)
-        os.makedirs(room_directory, exist_ok=True)
-        events_file = os.path.join(room_directory, "events")
-
-        with open(events_file, "a") as f:
-            for event in events:
-                print(json.dumps(event.get_pdu_json()), file=f)
-
-    def write_state(self, room_id, event_id, state):
-        room_directory = os.path.join(self.base_directory, "rooms", room_id)
-        state_directory = os.path.join(room_directory, "state")
-        os.makedirs(state_directory, exist_ok=True)
-
-        event_file = os.path.join(state_directory, event_id)
-
-        with open(event_file, "a") as f:
-            for event in state.values():
-                print(json.dumps(event.get_pdu_json()), file=f)
-
-    def write_invite(self, room_id, event, state):
-        self.write_events(room_id, [event])
-
-        # We write the invite state somewhere else as they aren't full events
-        # and are only a subset of the state at the event.
-        room_directory = os.path.join(self.base_directory, "rooms", room_id)
-        os.makedirs(room_directory, exist_ok=True)
-
-        invite_state = os.path.join(room_directory, "invite_state")
-
-        with open(invite_state, "a") as f:
-            for event in state.values():
-                print(json.dumps(event), file=f)
-
-    def finished(self):
-        return self.base_directory