131 lines
3.4 KiB
Elixir
131 lines
3.4 KiB
Elixir
defmodule Pleroma.BBS.Handler do
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@moduledoc """
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An example implementation of `Sshd.ShellHandler`, implementing a very simple
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Read-Eval-Loop, that does nothing.
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"""
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use Sshd.ShellHandler
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alias Pleroma.Web.CommonAPI
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alias Pleroma.Web.ActivityPub.ActivityPub
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def on_shell(username, _pubkey, _ip, _port) do
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:ok = IO.puts "Welcome to #{Pleroma.Config.get([:instance, :name])}!"
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user = Pleroma.User.get_by_nickname(to_string(username))
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Logger.debug("#{inspect user}")
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loop(run_state([user: user]))
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end
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def on_connect(username, ip, port, method) do
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Logger.debug fn ->
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"""
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Incoming SSH shell #{inspect self()} requested for #{username} from #{inspect ip}:#{inspect port} using #{inspect method}
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"""
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end
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end
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def on_disconnect(username, ip, port) do
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Logger.debug fn ->
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"Disconnecting SSH shell for #{username} from #{inspect ip}:#{inspect port}"
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end
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end
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defp loop(state) do
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self_pid = self()
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counter = state.counter
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prefix = state.prefix
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user = state.user
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input = spawn(fn -> io_get(self_pid, prefix, counter, user.nickname) end)
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wait_input state, input
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end
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def puts_activity(activity) do
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status = Pleroma.Web.MastodonAPI.StatusView.render("status.json", %{activity: activity})
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IO.puts("#{status.id} by #{status.account.display_name} (#{status.account.acct}):")
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IO.puts(HtmlSanitizeEx.strip_tags(status.content))
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IO.puts("")
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end
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def handle_command(state, "help") do
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IO.puts("Available commands:")
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IO.puts("help - This help")
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IO.puts("home - Show the home timeline")
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IO.puts("p <text> - Post the given text")
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IO.puts("quit - Quit")
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state
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end
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def handle_command(%{user: user} = state, "p " <> text) do
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text = String.trim(text)
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with {:ok, _activity} <- CommonAPI.post(user, %{"status" => text}) do
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IO.puts("Posted!")
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else
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_e -> IO.puts("Could not post...")
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end
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state
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end
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def handle_command(state, "home") do
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user = state.user
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params =
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%{}
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|> Map.put("type", ["Create", "Announce"])
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|> Map.put("blocking_user", user)
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|> Map.put("muting_user", user)
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|> Map.put("user", user)
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activities =
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[user.ap_id | user.following]
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|> ActivityPub.fetch_activities(params)
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|> ActivityPub.contain_timeline(user)
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|> Enum.reverse()
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Enum.each(activities, fn (activity) ->
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puts_activity(activity)
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end)
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state
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end
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def handle_command(_state, command) do
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IO.puts("Unknown command '#{command}'")
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end
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defp wait_input(state, input) do
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receive do
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{:input, ^input, "quit\n"} ->
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IO.puts "Exiting..."
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{:input, ^input, code} when is_binary(code) ->
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code = String.trim(code)
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handle_command(state, code)
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loop(%{state | counter: state.counter + 1})
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{:error, :interrupted} ->
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IO.puts "Caught Ctrl+C..."
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loop(%{state | counter: state.counter + 1})
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{:input, ^input, msg} ->
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:ok = Logger.warn "received unknown message: #{inspect msg}"
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loop(%{state | counter: state.counter + 1})
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end
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end
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defp run_state(opts) do
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%{prefix: "pleroma", counter: 1, user: opts[:user]}
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end
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defp io_get(pid, prefix, counter, username) do
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prompt = prompt(prefix, counter, username)
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send pid, {:input, self(), IO.gets(:stdio, prompt)}
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end
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defp prompt(prefix, counter, username) do
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prompt = "#{username}@#{prefix}:#{counter}>"
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prompt <> " "
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end
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end
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