rel: false
]
+ config :pleroma, :ldap,
+ enabled: System.get_env("LDAP_ENABLED") == "true",
+ host: System.get_env("LDAP_HOST") || "localhost",
+ port: String.to_integer(System.get_env("LDAP_PORT") || "389"),
+ ssl: System.get_env("LDAP_SSL") == "true",
+ sslopts: [],
+ tls: System.get_env("LDAP_TLS") == "true",
+ tlsopts: [],
+ base: System.get_env("LDAP_BASE") || "dc=example,dc=com",
+ uid: System.get_env("LDAP_UID") || "cn"
+
+config :pleroma, :auth, oauth_consumer_enabled: false
+
+config :ueberauth,
+ Ueberauth,
+ base_path: "/oauth",
+ providers: [
+ twitter:
+ {Ueberauth.Strategy.Twitter,
+ [callback_params: ~w[client_id redirect_uri scope scopes]]}
+ ]
+
+config :ueberauth, Ueberauth.Strategy.Twitter.OAuth,
+ consumer_key: System.get_env("TWITTER_CONSUMER_KEY"),
+ consumer_secret: System.get_env("TWITTER_CONSUMER_SECRET")
+
# Import environment specific config. This must remain at the bottom
# of this file so it overrides the configuration defined above.
import_config "#{Mix.env()}.exs"
--- /dev/null
- def get_user(%Plug.Conn{} = conn) do
+ # Pleroma: A lightweight social networking server
+ # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+ # SPDX-License-Identifier: AGPL-3.0-only
+
+ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
+ alias Pleroma.User
+
+ require Logger
+
+ @behaviour Pleroma.Web.Auth.Authenticator
+
+ @connection_timeout 10_000
+ @search_timeout 10_000
+
- case conn.params do
++ def get_user(%Plug.Conn{} = conn, params) do
+ if Pleroma.Config.get([:ldap, :enabled]) do
+ {name, password} =
- Pleroma.Web.Auth.PleromaAuthenticator.get_user(conn)
++ case params do
+ %{"authorization" => %{"name" => name, "password" => password}} ->
+ {name, password}
+
+ %{"grant_type" => "password", "username" => name, "password" => password} ->
+ {name, password}
+ end
+
+ case ldap_user(name, password) do
+ %User{} = user ->
+ {:ok, user}
+
+ {:error, {:ldap_connection_error, _}} ->
+ # When LDAP is unavailable, try default authenticator
- Pleroma.Web.Auth.PleromaAuthenticator.get_user(conn)
++ Pleroma.Web.Auth.PleromaAuthenticator.get_user(conn, params)
+
+ error ->
+ error
+ end
+ else
+ # Fall back to default authenticator
++ Pleroma.Web.Auth.PleromaAuthenticator.get_user(conn, params)
+ end
+ end
+
++ def get_or_create_user_by_oauth(conn, params), do: get_user(conn, params)
++
+ def handle_error(%Plug.Conn{} = _conn, error) do
+ error
+ end
+
+ def auth_template, do: nil
+
+ defp ldap_user(name, password) do
+ ldap = Pleroma.Config.get(:ldap, [])
+ host = Keyword.get(ldap, :host, "localhost")
+ port = Keyword.get(ldap, :port, 389)
+ ssl = Keyword.get(ldap, :ssl, false)
+ sslopts = Keyword.get(ldap, :sslopts, [])
+
+ options =
+ [{:port, port}, {:ssl, ssl}, {:timeout, @connection_timeout}] ++
+ if sslopts != [], do: [{:sslopts, sslopts}], else: []
+
+ case :eldap.open([to_charlist(host)], options) do
+ {:ok, connection} ->
+ try do
+ if Keyword.get(ldap, :tls, false) do
+ :application.ensure_all_started(:ssl)
+
+ case :eldap.start_tls(
+ connection,
+ Keyword.get(ldap, :tlsopts, []),
+ @connection_timeout
+ ) do
+ :ok ->
+ :ok
+
+ error ->
+ Logger.error("Could not start TLS: #{inspect(error)}")
+ end
+ end
+
+ bind_user(connection, ldap, name, password)
+ after
+ :eldap.close(connection)
+ end
+
+ {:error, error} ->
+ Logger.error("Could not open LDAP connection: #{inspect(error)}")
+ {:error, {:ldap_connection_error, error}}
+ end
+ end
+
+ defp bind_user(connection, ldap, name, password) do
+ uid = Keyword.get(ldap, :uid, "cn")
+ base = Keyword.get(ldap, :base)
+
+ case :eldap.simple_bind(connection, "#{uid}=#{name},#{base}", password) do
+ :ok ->
+ case User.get_by_nickname_or_email(name) do
+ %User{} = user ->
+ user
+
+ _ ->
+ register_user(connection, base, uid, name, password)
+ end
+
+ error ->
+ error
+ end
+ end
+
+ defp register_user(connection, base, uid, name, password) do
+ case :eldap.search(connection, [
+ {:base, to_charlist(base)},
+ {:filter, :eldap.equalityMatch(to_charlist(uid), to_charlist(name))},
+ {:scope, :eldap.wholeSubtree()},
+ {:attributes, ['mail', 'email']},
+ {:timeout, @search_timeout}
+ ]) do
+ {:ok, {:eldap_search_result, [{:eldap_entry, _, attributes}], _}} ->
+ with {_, [mail]} <- List.keyfind(attributes, 'mail', 0) do
+ params = %{
+ email: :erlang.list_to_binary(mail),
+ name: name,
+ nickname: name,
+ password: password,
+ password_confirmation: password
+ }
+
+ changeset = User.register_changeset(%User{}, params)
+
+ case User.register(changeset) do
+ {:ok, user} -> user
+ error -> error
+ end
+ else
+ _ ->
+ Logger.error("Could not find LDAP attribute mail: #{inspect(attributes)}")
+ {:error, :ldap_registration_missing_attributes}
+ end
+
+ error ->
+ error
+ end
+ end
+ end
@behaviour Pleroma.Web.Auth.Authenticator
- def get_user(%Plug.Conn{} = _conn, %{
- "authorization" => %{"name" => name, "password" => password}
- }) do
- def get_user(%Plug.Conn{} = conn) do
++ def get_user(%Plug.Conn{} = _conn, params) do
+ {name, password} =
- case conn.params do
++ case params do
+ %{"authorization" => %{"name" => name, "password" => password}} ->
+ {name, password}
+
+ %{"grant_type" => "password", "username" => name, "password" => password} ->
+ {name, password}
+ end
+
with {_, %User{} = user} <- {:user, User.get_by_nickname_or_email(name)},
{_, true} <- {:checkpw, Pbkdf2.checkpw(password, user.password_hash)} do
{:ok, user}
end
end
- def get_user(%Plug.Conn{} = _conn, _params), do: {:error, :missing_credentials}
-
+ def get_or_create_user_by_oauth(
+ %Plug.Conn{assigns: %{ueberauth_auth: %{provider: provider, uid: uid} = auth}},
+ _params
+ ) do
+ user = User.get_by_auth_provider_uid(provider, uid)
+
+ if user do
+ {:ok, user}
+ else
+ info = auth.info
+ email = info.email
+ nickname = info.nickname
+
+ # TODO: FIXME: connect to existing (non-oauth) account (need a UI flow for that) / generate a random nickname?
+ email =
+ if email && User.get_by_email(email) do
+ nil
+ else
+ email
+ end
+
+ nickname =
+ if nickname && User.get_by_nickname(nickname) do
+ nil
+ else
+ nickname
+ end
+
+ new_user =
+ User.oauth_register_changeset(
+ %User{},
+ %{
+ auth_provider: to_string(provider),
+ auth_provider_uid: to_string(uid),
+ name: info.name,
+ bio: info.description,
+ email: email,
+ nickname: nickname
+ }
+ )
+
+ Pleroma.Repo.insert(new_user)
+ end
+ end
+
+ def get_or_create_user_by_oauth(%Plug.Conn{} = _conn, _params),
+ do: {:error, :missing_credentials}
+
def handle_error(%Plug.Conn{} = _conn, error) do
error
end
def token_exchange(
conn,
- %{"grant_type" => "password", "username" => name, "password" => password} = params
+ %{"grant_type" => "password"} = params
) do
- with %App{} = app <- get_app_from_request(conn, params),
- %User{} = user <- User.get_by_nickname_or_email(name),
- true <- Pbkdf2.checkpw(password, user.password_hash),
- with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn)},
++ with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn, params)},
+ %App{} = app <- get_app_from_request(conn, params),
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
scopes <- oauth_scopes(params, app.scopes),
[] <- scopes -- app.scopes,