pyssb/examples/test_client.py

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# SPDX-License-Identifier: MIT
#
# Copyright (c) 2017 PySSB contributors (see AUTHORS for more details)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Example SSB Client"""
from asyncio import ensure_future, gather, get_event_loop
import base64
import hashlib
import logging
import struct
import time
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from colorlog import ColoredFormatter
from secret_handshake.network import SHSClient
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from ssb.muxrpc import MuxRPCAPI, MuxRPCAPIException
from ssb.packet_stream import PacketStream, PSMessageType
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from ssb.util import load_ssb_secret
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api = MuxRPCAPI()
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@api.define("createHistoryStream")
def create_history_stream(connection, msg): # pylint: disable=unused-argument
"""Handle the createHistoryStream RPC call"""
print("create_history_stream", msg)
# msg = PSMessage(PSMessageType.JSON, True, stream=True, end_err=True, req=-req)
# connection.write(msg)
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@api.define("blobs.createWants")
def create_wants(connection, msg): # pylint: disable=unused-argument
"""Handle the createWants RPC call"""
print("create_wants", msg)
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async def test_client():
"""The actual client implementation"""
async for msg in api.call(
"createHistoryStream",
[
{
"id": "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
"seq": 1,
"live": False,
"keys": False,
}
],
"source",
):
print("> RESPONSE:", msg)
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try:
print("> RESPONSE:", await api.call("whoami", [], "sync"))
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except MuxRPCAPIException as e:
print(e)
handler = api.call("gossip.ping", [], "duplex")
handler.send(struct.pack("l", int(time.time() * 1000)), msg_type=PSMessageType.BUFFER)
async for msg in handler:
print("> RESPONSE:", msg)
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handler.send(True, end=True)
break
img_data = b""
async for msg in api.call("blobs.get", ["&kqZ52sDcJSHOx7m4Ww80kK1KIZ65gpGnqwZlfaIVWWM=.sha256"], "source"):
if msg.type.name == "BUFFER":
img_data += msg.data
if msg.type.name == "JSON" and msg.data == b"true":
assert (
base64.b64encode(hashlib.sha256(img_data).digest()) == b"kqZ52sDcJSHOx7m4Ww80kK1KIZ65gpGnqwZlfaIVWWM="
)
with open("./ub1k.jpg", "wb") as f:
f.write(img_data)
async def main(keypair):
"""The main function to run"""
client = SHSClient("127.0.0.1", 8008, keypair, bytes(keypair.verify_key))
packet_stream = PacketStream(client)
await client.open()
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api.add_connection(packet_stream)
await gather(ensure_future(api), test_client())
if __name__ == "__main__":
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# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.INFO)
# create formatter
formatter = ColoredFormatter(
"%(log_color)s%(levelname)s%(reset)s:%(bold_white)s%(name)s%(reset)s - %(cyan)s%(message)s%(reset)s"
)
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# add formatter to ch
ch.setFormatter(formatter)
# add ch to logger
logger = logging.getLogger("packet_stream")
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logger.setLevel(logging.INFO)
logger.addHandler(ch)
ssb_keypair = load_ssb_secret()["keypair"]
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loop = get_event_loop()
loop.run_until_complete(main(ssb_keypair))
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loop.close()