07a48b9293
Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk> Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/371
109 lines
3.5 KiB
Elixir
109 lines
3.5 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Auth.PleromaAuthenticator do
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alias Pleroma.Registration
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.Plugs.AuthenticationPlug
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import Pleroma.Web.Auth.Helpers, only: [fetch_credentials: 1, fetch_user: 1]
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@behaviour Pleroma.Web.Auth.Authenticator
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def get_user(%Plug.Conn{} = conn) do
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with {:ok, {name, password}} <- fetch_credentials(conn),
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{_, %User{} = user} <- {:user, fetch_user(name)},
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{_, true} <- {:checkpw, AuthenticationPlug.checkpw(password, user.password_hash)},
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{:ok, user} <- AuthenticationPlug.maybe_update_password(user, password) do
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{:ok, user}
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else
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{:error, _reason} = error -> error
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error -> {:error, error}
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end
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end
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@doc """
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Gets or creates Pleroma.Registration record from Ueberauth assigns.
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Note: some strategies (like `keycloak`) might need extra configuration to fill `uid` from callback response —
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see [`docs/config.md`](docs/config.md).
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"""
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def get_registration(%Plug.Conn{assigns: %{ueberauth_auth: %{uid: nil}}}),
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do: {:error, :missing_uid}
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def get_registration(%Plug.Conn{
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assigns: %{ueberauth_auth: %{provider: provider, uid: uid} = auth}
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}) do
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registration = Registration.get_by_provider_uid(provider, uid)
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if registration do
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{:ok, registration}
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else
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info = auth.info
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%Registration{}
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|> Registration.changeset(%{
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provider: to_string(provider),
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uid: to_string(uid),
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info: %{
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"nickname" => info.nickname,
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"email" => info.email,
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"name" => info.name,
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"description" => info.description
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}
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})
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|> Repo.insert()
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end
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end
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def get_registration(%Plug.Conn{} = _conn), do: {:error, :missing_credentials}
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@doc "Creates Pleroma.User record basing on params and Pleroma.Registration record."
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@spec create_from_registration(Plug.Conn.t(), Registration.t()) ::
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{:ok, User.t()} | {:error, any()}
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def create_from_registration(
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%Plug.Conn{params: %{"authorization" => registration_attrs}},
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%Registration{} = registration
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) do
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nickname = value([registration_attrs["nickname"], Registration.nickname(registration)])
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email = value([registration_attrs["email"], Registration.email(registration)])
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name = value([registration_attrs["name"], Registration.name(registration)]) || nickname
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bio = value([registration_attrs["bio"], Registration.description(registration)]) || ""
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random_password = :crypto.strong_rand_bytes(64) |> Base.encode64()
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with {:ok, new_user} <-
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User.register_changeset(
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%User{},
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%{
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email: email,
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nickname: nickname,
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name: name,
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bio: bio,
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password: random_password,
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password_confirmation: random_password
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},
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external: true,
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confirmed: true
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)
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|> Repo.insert(),
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{:ok, _} <-
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Registration.changeset(registration, %{user_id: new_user.id}) |> Repo.update() do
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{:ok, new_user}
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else
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err -> err
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end
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end
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defp value(list), do: Enum.find(list, &(to_string(&1) != ""))
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def handle_error(%Plug.Conn{} = _conn, error) do
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error
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end
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def auth_template, do: nil
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def oauth_consumer_template, do: nil
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end
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