mirror of
https://mau.dev/maunium/synapse.git
synced 2024-11-14 14:01:59 +01:00
23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
156 lines
4.5 KiB
Python
156 lines
4.5 KiB
Python
#
|
|
# This file is licensed under the Affero General Public License (AGPL) version 3.
|
|
#
|
|
# Copyright 2014-2016 OpenMarket Ltd
|
|
# Copyright (C) 2023 New Vector, Ltd
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# See the GNU Affero General Public License for more details:
|
|
# <https://www.gnu.org/licenses/agpl-3.0.html>.
|
|
#
|
|
# Originally licensed under the Apache License, Version 2.0:
|
|
# <http://www.apache.org/licenses/LICENSE-2.0>.
|
|
#
|
|
# [This file includes modifications made by New Vector Limited]
|
|
#
|
|
#
|
|
|
|
import argparse
|
|
import cgi
|
|
import datetime
|
|
import json
|
|
import urllib.request
|
|
from typing import List
|
|
|
|
import pydot
|
|
|
|
|
|
def make_name(pdu_id: str, origin: str) -> str:
|
|
return f"{pdu_id}@{origin}"
|
|
|
|
|
|
def make_graph(pdus: List[dict], filename_prefix: str) -> None:
|
|
"""
|
|
Generate a dot and SVG file for a graph of events in the room based on the
|
|
topological ordering by querying a homeserver.
|
|
"""
|
|
pdu_map = {}
|
|
node_map = {}
|
|
|
|
origins = set()
|
|
colors = {"red", "green", "blue", "yellow", "purple"}
|
|
|
|
for pdu in pdus:
|
|
origins.add(pdu.get("origin"))
|
|
|
|
color_map = {color: color for color in colors if color in origins}
|
|
colors -= set(color_map.values())
|
|
|
|
color_map[None] = "black"
|
|
|
|
for o in origins:
|
|
if o in color_map:
|
|
continue
|
|
try:
|
|
c = colors.pop()
|
|
color_map[o] = c
|
|
except Exception:
|
|
print("Run out of colours!")
|
|
color_map[o] = "black"
|
|
|
|
graph = pydot.Dot(graph_name="Test")
|
|
|
|
for pdu in pdus:
|
|
name = make_name(pdu.get("pdu_id"), pdu.get("origin"))
|
|
pdu_map[name] = pdu
|
|
|
|
t = datetime.datetime.fromtimestamp(float(pdu["ts"]) / 1000).strftime(
|
|
"%Y-%m-%d %H:%M:%S,%f"
|
|
)
|
|
|
|
label = (
|
|
"<"
|
|
"<b>%(name)s </b><br/>"
|
|
"Type: <b>%(type)s </b><br/>"
|
|
"State key: <b>%(state_key)s </b><br/>"
|
|
"Content: <b>%(content)s </b><br/>"
|
|
"Time: <b>%(time)s </b><br/>"
|
|
"Depth: <b>%(depth)s </b><br/>"
|
|
">"
|
|
) % {
|
|
"name": name,
|
|
"type": pdu.get("pdu_type"),
|
|
"state_key": pdu.get("state_key"),
|
|
"content": cgi.escape(json.dumps(pdu.get("content")), quote=True),
|
|
"time": t,
|
|
"depth": pdu.get("depth"),
|
|
}
|
|
|
|
node = pydot.Node(name=name, label=label, color=color_map[pdu.get("origin")])
|
|
node_map[name] = node
|
|
graph.add_node(node)
|
|
|
|
for pdu in pdus:
|
|
start_name = make_name(pdu.get("pdu_id"), pdu.get("origin"))
|
|
for i, o in pdu.get("prev_pdus", []):
|
|
end_name = make_name(i, o)
|
|
|
|
if end_name not in node_map:
|
|
print("%s not in nodes" % end_name)
|
|
continue
|
|
|
|
edge = pydot.Edge(node_map[start_name], node_map[end_name])
|
|
graph.add_edge(edge)
|
|
|
|
# Add prev_state edges, if they exist
|
|
if pdu.get("prev_state_id") and pdu.get("prev_state_origin"):
|
|
prev_state_name = make_name(
|
|
pdu.get("prev_state_id"), pdu.get("prev_state_origin")
|
|
)
|
|
|
|
if prev_state_name in node_map:
|
|
state_edge = pydot.Edge(
|
|
node_map[start_name], node_map[prev_state_name], style="dotted"
|
|
)
|
|
graph.add_edge(state_edge)
|
|
|
|
graph.write("%s.dot" % filename_prefix, format="raw", prog="dot")
|
|
# graph.write_png("%s.png" % filename_prefix, prog='dot')
|
|
graph.write_svg("%s.svg" % filename_prefix, prog="dot")
|
|
|
|
|
|
def get_pdus(host: str, room: str) -> List[dict]:
|
|
transaction = json.loads(
|
|
urllib.request.urlopen(
|
|
f"http://{host}/_matrix/federation/v1/context/{room}/"
|
|
).read()
|
|
)
|
|
|
|
return transaction["pdus"]
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(
|
|
description="Generate a PDU graph for a given room by talking "
|
|
"to the given homeserver to get the list of PDUs. \n"
|
|
"Requires pydot."
|
|
)
|
|
parser.add_argument(
|
|
"-p", "--prefix", dest="prefix", help="String to prefix output files with"
|
|
)
|
|
parser.add_argument("host")
|
|
parser.add_argument("room")
|
|
|
|
args = parser.parse_args()
|
|
|
|
host = args.host
|
|
room = args.room
|
|
prefix = args.prefix if args.prefix else "%s_graph" % (room)
|
|
|
|
pdus = get_pdus(host, room)
|
|
|
|
make_graph(pdus, prefix)
|