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Purge SSH frontend (#23)

Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/23
This commit is contained in:
floatingghost 2022-06-27 11:32:06 +00:00
parent 0543954d14
commit e6cd61619f
7 changed files with 3 additions and 280 deletions

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@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## [Unreleased]
### Removed
- SSH frontend, to be potentially re-enabled via a bridge rather than wired into the main system
## 2.5.2
### Added

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@ -607,9 +607,6 @@
base: System.get_env("LDAP_BASE") || "dc=example,dc=com",
uid: System.get_env("LDAP_UID") || "cn"
config :esshd,
enabled: false
oauth_consumer_strategies =
System.get_env("OAUTH_CONSUMER_STRATEGIES")
|> to_string()

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@ -835,24 +835,6 @@ This will probably take a long time.
## Alternative client protocols
### BBS / SSH access
To enable simple command line interface accessible over ssh, add a setting like this to your configuration file:
```exs
app_dir = File.cwd!
priv_dir = Path.join([app_dir, "priv/ssh_keys"])
config :esshd,
enabled: true,
priv_dir: priv_dir,
handler: "Pleroma.BBS.Handler",
port: 10_022,
password_authenticator: "Pleroma.BBS.Authenticator"
```
Feel free to adjust the priv_dir and port number. Then you will have to create the key for the keys (in the example `priv/ssh_keys`) and create the host keys with `ssh-keygen -m PEM -N "" -b 2048 -t rsa -f ssh_host_rsa_key`. After restarting, you should be able to connect to your Pleroma instance with `ssh username@server -p $PORT`
### :gopher
* `enabled`: Enables the gopher interface
* `ip`: IP address to bind to

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@ -1,20 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.BBS.Authenticator do
use Sshd.PasswordAuthenticator
alias Pleroma.User
alias Pleroma.Web.Plugs.AuthenticationPlug
def authenticate(username, password) do
username = to_string(username)
password = to_string(password)
with %User{} = user <- User.get_by_nickname(username) do
AuthenticationPlug.checkpw(password, user.password_hash)
else
_e -> false
end
end
end

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@ -1,149 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.BBS.Handler do
use Sshd.ShellHandler
alias Pleroma.Activity
alias Pleroma.HTML
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.CommonAPI
def on_shell(username, _pubkey, _ip, _port) do
:ok = IO.puts("Welcome to #{Pleroma.Config.get([:instance, :name])}!")
user = Pleroma.User.get_cached_by_nickname(to_string(username))
Logger.debug("#{inspect(user)}")
loop(run_state(user: user))
end
def on_connect(username, ip, port, method) do
Logger.debug(fn ->
"""
Incoming SSH shell #{inspect(self())} requested for #{username} from #{inspect(ip)}:#{inspect(port)} using #{inspect(method)}
"""
end)
end
def on_disconnect(username, ip, port) do
Logger.debug(fn ->
"Disconnecting SSH shell for #{username} from #{inspect(ip)}:#{inspect(port)}"
end)
end
defp loop(state) do
self_pid = self()
counter = state.counter
prefix = state.prefix
user = state.user
input = spawn(fn -> io_get(self_pid, prefix, counter, user.nickname) end)
wait_input(state, input)
end
def puts_activity(activity) do
status = Pleroma.Web.MastodonAPI.StatusView.render("show.json", %{activity: activity})
IO.puts("-- #{status.id} by #{status.account.display_name} (#{status.account.acct})")
IO.puts(HTML.strip_tags(status.content))
IO.puts("")
end
def handle_command(state, "help") do
IO.puts("Available commands:")
IO.puts("help - This help")
IO.puts("home - Show the home timeline")
IO.puts("p <text> - Post the given text")
IO.puts("r <id> <text> - Reply to the post with the given id")
IO.puts("quit - Quit")
state
end
def handle_command(%{user: user} = state, "r " <> text) do
text = String.trim(text)
[activity_id, rest] = String.split(text, " ", parts: 2)
with %Activity{} <- Activity.get_by_id(activity_id),
{:ok, _activity} <-
CommonAPI.post(user, %{status: rest, in_reply_to_status_id: activity_id}) do
IO.puts("Replied!")
else
_e -> IO.puts("Could not reply...")
end
state
end
def handle_command(%{user: user} = state, "p " <> text) do
text = String.trim(text)
with {:ok, _activity} <- CommonAPI.post(user, %{status: text}) do
IO.puts("Posted!")
else
_e -> IO.puts("Could not post...")
end
state
end
def handle_command(state, "home") do
user = state.user
params =
%{}
|> Map.put(:type, ["Create"])
|> Map.put(:blocking_user, user)
|> Map.put(:muting_user, user)
|> Map.put(:user, user)
activities =
[user.ap_id | Pleroma.User.following(user)]
|> ActivityPub.fetch_activities(params)
Enum.each(activities, fn activity ->
puts_activity(activity)
end)
state
end
def handle_command(state, command) do
IO.puts("Unknown command '#{command}'")
state
end
defp wait_input(state, input) do
receive do
{:input, ^input, "quit\n"} ->
IO.puts("Exiting...")
{:input, ^input, code} when is_binary(code) ->
code = String.trim(code)
state = handle_command(state, code)
loop(%{state | counter: state.counter + 1})
{:error, :interrupted} ->
IO.puts("Caught Ctrl+C...")
loop(%{state | counter: state.counter + 1})
{:input, ^input, msg} ->
:ok = Logger.warn("received unknown message: #{inspect(msg)}")
loop(%{state | counter: state.counter + 1})
end
end
defp run_state(opts) do
%{prefix: "pleroma", counter: 1, user: opts[:user]}
end
defp io_get(pid, prefix, counter, username) do
prompt = prompt(prefix, counter, username)
send(pid, {:input, self(), IO.gets(:stdio, prompt)})
end
defp prompt(prefix, counter, username) do
prompt = "#{username}@#{prefix}:#{counter}>"
prompt <> " "
end
end

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@ -179,7 +179,6 @@ defp deps do
{:joken, "~> 2.0"},
{:benchee, "~> 1.0"},
{:pot, "~> 1.0"},
{:esshd, "~> 0.1.0", runtime: Application.get_env(:esshd, :enabled, false)},
{:ex_const, "~> 0.2"},
{:plug_static_index_html, "~> 1.0.0"},
{:flake_id, "~> 0.1.0"},

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@ -1,89 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.BBS.HandlerTest do
use Pleroma.DataCase, async: true
alias Pleroma.Activity
alias Pleroma.BBS.Handler
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.CommonAPI
import ExUnit.CaptureIO
import Pleroma.Factory
import Ecto.Query
test "getting the home timeline" do
user = insert(:user)
followed = insert(:user)
{:ok, user, followed} = User.follow(user, followed)
{:ok, _first} = CommonAPI.post(user, %{status: "hey"})
{:ok, _second} = CommonAPI.post(followed, %{status: "hello"})
output =
capture_io(fn ->
Handler.handle_command(%{user: user}, "home")
end)
assert output =~ user.nickname
assert output =~ followed.nickname
assert output =~ "hey"
assert output =~ "hello"
end
test "posting" do
user = insert(:user)
output =
capture_io(fn ->
Handler.handle_command(%{user: user}, "p this is a test post")
end)
assert output =~ "Posted"
activity =
Repo.one(
from(a in Activity,
where: fragment("?->>'type' = ?", a.data, "Create")
)
)
assert activity.actor == user.ap_id
object = Object.normalize(activity, fetch: false)
assert object.data["content"] == "this is a test post"
end
test "replying" do
user = insert(:user)
another_user = insert(:user)
{:ok, activity} = CommonAPI.post(another_user, %{status: "this is a test post"})
activity_object = Object.normalize(activity, fetch: false)
output =
capture_io(fn ->
Handler.handle_command(%{user: user}, "r #{activity.id} this is a reply")
end)
assert output =~ "Replied"
reply =
Repo.one(
from(a in Activity,
where: fragment("?->>'type' = ?", a.data, "Create"),
where: a.actor == ^user.ap_id
)
)
assert reply.actor == user.ap_id
reply_object_data = Object.normalize(reply, fetch: false).data
assert reply_object_data["content"] == "this is a reply"
assert reply_object_data["inReplyTo"] == activity_object.data["id"]
end
end