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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.Login do
@moduledoc """
Log in to a Matrix homeserver.
mix polyjuice.login [opts] homeserver_url username password
## Command line options
* `--storage` - Elixir code to create the storage to save the client state
in. If this option is not provided (or if the `--verbose` option is also
provided), the logged in user ID, device ID and access token will be
printed.
* `--verbose` - print the logged in user ID, device ID and access token even
if the `--storage` option is provided.
"""
@shortdoc "Log in to a Matrix homeserver."
use Mix.Task
@impl Mix.Task
def run(args) do
Mix.Task.run("app.start", [])
with {opts, [url, user_id, password]} <-
OptionParser.parse!(args,
strict: [
storage: :string,
verbose: :boolean
]
) do
storage = opts[:storage]
storage =
if is_binary(storage) do
Code.eval_string(storage) |> (fn {x, _} -> x end).()
else
nil
end
client =
Polyjuice.Client.start_link(
url,
storage: storage,
sync: false
)
ret = Polyjuice.Client.log_in_with_password(client, user_id, password)
Polyjuice.Client.stop(client)
if storage, do: Polyjuice.Client.Storage.close(storage)
case ret do
{:ok, %{"user_id" => user_id, "device_id" => device_id, "access_token" => access_token}} ->
IO.puts("Login successful.")
if opts[:verbose] || opts[:storage] == nil do
IO.puts("User ID: #{user_id}")
IO.puts("Device ID: #{device_id}")
IO.puts("Access token: #{access_token}")
end
_ ->
IO.puts("Login failed: #{inspect(ret)}.")
end
else
_ ->
Mix.Task.run("help", ["polyjuice.login"])
end
end
end
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