+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.OAuth.OAuthController do
use Pleroma.Web, :controller
}) do
with %User{} = user <- User.get_by_nickname_or_email(name),
true <- Pbkdf2.checkpw(password, user.password_hash),
+ {:auth_active, true} <- {:auth_active, User.auth_active?(user)},
%App{} = app <- Repo.get_by(App, client_id: client_id),
{:ok, auth} <- Authorization.create_authorization(app, user) do
- if redirect_uri == "urn:ietf:wg:oauth:2.0:oob" do
- render(conn, "results.html", %{
- auth: auth
- })
- else
- connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
- url = "#{redirect_uri}#{connector}code=#{auth.token}"
+ # Special case: Local MastodonFE.
+ redirect_uri =
+ if redirect_uri == "." do
+ mastodon_api_url(conn, :login)
+ else
+ redirect_uri
+ end
+
+ cond do
+ redirect_uri == "urn:ietf:wg:oauth:2.0:oob" ->
+ render(conn, "results.html", %{
+ auth: auth
+ })
+
+ true ->
+ connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
+ url = "#{redirect_uri}#{connector}"
+ url_params = %{:code => auth.token}
- url =
- if params["state"] do
- url <> "&state=#{params["state"]}"
- else
- url
- end
+ url_params =
+ if params["state"] do
+ Map.put(url_params, :state, params["state"])
+ else
+ url_params
+ end
- redirect(conn, external: url)
+ url = "#{url}#{Plug.Conn.Query.encode(url_params)}"
+
+ redirect(conn, external: url)
end
+ else
+ {:auth_active, false} ->
+ conn
+ |> put_flash(:error, "Account confirmation pending")
+ |> put_status(:forbidden)
+ |> authorize(params)
+
+ error ->
+ error
end
end
# TODO
# - proper scope handling
def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
- with %App{} = app <-
- Repo.get_by(
- App,
- client_id: params["client_id"],
- client_secret: params["client_secret"]
- ),
+ with %App{} = app <- get_app_from_request(conn, params),
fixed_token = fix_padding(params["code"]),
- %Authorization{} = auth <- Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
- {:ok, token} <- Token.exchange_token(app, auth) do
+ %Authorization{} = auth <-
+ Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
+ {:ok, token} <- Token.exchange_token(app, auth),
+ {:ok, inserted_at} <- DateTime.from_naive(token.inserted_at, "Etc/UTC") do
response = %{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
+ created_at: DateTime.to_unix(inserted_at),
expires_in: 60 * 10,
scope: "read write follow"
}
json(conn, response)
else
- _error -> json(conn, %{error: "Invalid credentials"})
+ _error ->
+ put_status(conn, 400)
+ |> json(%{error: "Invalid credentials"})
end
end
# - investigate a way to verify the user wants to grant read/write/follow once scope handling is done
def token_exchange(
conn,
- %{"grant_type" => "password", "name" => name, "password" => password} = params
+ %{"grant_type" => "password", "username" => name, "password" => password} = params
) do
- with %App{} = app <-
- Repo.get_by(
- App,
- client_id: params["client_id"],
- client_secret: params["client_secret"]
- ),
- %User{} = user <- User.get_cached_by_nickname(name),
+ 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),
+ {:auth_active, true} <- {:auth_active, User.auth_active?(user)},
{:ok, auth} <- Authorization.create_authorization(app, user),
{:ok, token} <- Token.exchange_token(app, auth) do
response = %{
json(conn, response)
else
- _error -> json(conn, %{error: "Invalid credentials"})
+ {:auth_active, false} ->
+ conn
+ |> put_status(:forbidden)
+ |> json(%{error: "Account confirmation pending"})
+
+ _error ->
+ put_status(conn, 400)
+ |> json(%{error: "Invalid credentials"})
+ end
+ end
+
+ def token_exchange(
+ conn,
+ %{"grant_type" => "password", "name" => name, "password" => _password} = params
+ ) do
+ params =
+ params
+ |> Map.delete("name")
+ |> Map.put("username", name)
+
+ token_exchange(conn, params)
+ end
+
+ def token_revoke(conn, %{"token" => token} = params) do
+ with %App{} = app <- get_app_from_request(conn, params),
+ %Token{} = token <- Repo.get_by(Token, token: token, app_id: app.id),
+ {:ok, %Token{}} <- Repo.delete(token) do
+ json(conn, %{})
+ else
+ _error ->
+ # RFC 7009: invalid tokens [in the request] do not cause an error response
+ json(conn, %{})
end
end
+ # XXX - for whatever reason our token arrives urlencoded, but Plug.Conn should be
+ # decoding it. Investigate sometime.
defp fix_padding(token) do
token
+ |> URI.decode()
|> Base.url_decode64!(padding: false)
|> Base.url_encode64()
end
+
+ defp get_app_from_request(conn, params) do
+ # Per RFC 6749, HTTP Basic is preferred to body params
+ {client_id, client_secret} =
+ with ["Basic " <> encoded] <- get_req_header(conn, "authorization"),
+ {:ok, decoded} <- Base.decode64(encoded),
+ [id, secret] <-
+ String.split(decoded, ":")
+ |> Enum.map(fn s -> URI.decode_www_form(s) end) do
+ {id, secret}
+ else
+ _ -> {params["client_id"], params["client_secret"]}
+ end
+
+ if client_id && client_secret do
+ Repo.get_by(
+ App,
+ client_id: client_id,
+ client_secret: client_secret
+ )
+ else
+ nil
+ end
+ end
end
projects / akkoma / blobdiff