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# Copyright 2020 Hubert Chathi <hubert@uhoreg.ca>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
defmodule Mix.Tasks.Polyjuice.Logout do
@moduledoc """
Log out of a Matrix homeserver.
mix polyjuice.logout [opts] homeserver_url
## Command line options
* `--storage` - Elixir code to create the storage to fetch the client state
from.
* `--access-token` - The access token to log out.
At least one of `--storage` or `--access-token` must be provided.
"""
@shortdoc "Log out of a Matrix homeserver."
use Mix.Task
@impl Mix.Task
def run(args) do
Mix.Task.run("app.start", [])
with {opts, [url]} <-
OptionParser.parse!(args,
strict: [
storage: :string,
access_token: :string
]
) do
storage = opts[:storage]
access_token = opts[:access_token]
if {storage, access_token} == {nil, nil} do
Mix.Task.run("help", ["polyjuice.logout"])
else
storage =
if is_binary(storage) do
Code.eval_string(storage) |> (fn {x, _} -> x end).()
else
nil
end
{:ok, client_pid} =
Polyjuice.Client.start_link(
url,
access_token: opts[:access_token],
storage: storage,
sync: false
)
client = Polyjuice.Client.get_client(client_pid)
ret = Polyjuice.Client.log_out(client)
Polyjuice.Client.API.stop(client)
if storage, do: Polyjuice.Client.Storage.close(storage)
case ret do
:ok ->
IO.puts("Logout successful.")
_ ->
IO.puts("Logout failed: #{inspect(ret)}.")
end
end
else
_ ->
Mix.Task.run("help", ["polyjuice.logout"])
end
end
end
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