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@ -5,6 +5,7 @@
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defmodule Pleroma.Web.OAuth.OAuthController do
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use Pleroma.Web, :controller
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alias Pleroma.Helpers.UriHelper
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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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@ -26,34 +27,25 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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action_fallback(Pleroma.Web.OAuth.FallbackController)
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@oob_token_redirect_uri "urn:ietf:wg:oauth:2.0:oob"
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# Note: this definition is only called from error-handling methods with `conn.params` as 2nd arg
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def authorize(conn, %{"authorization" => _} = params) do
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def authorize(%Plug.Conn{} = conn, %{"authorization" => _} = params) do
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{auth_attrs, params} = Map.pop(params, "authorization")
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authorize(conn, Map.merge(params, auth_attrs))
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end
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def authorize(%{assigns: %{token: %Token{} = token}} = conn, params) do
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def authorize(%Plug.Conn{assigns: %{token: %Token{}}} = conn, params) do
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if ControllerHelper.truthy_param?(params["force_login"]) do
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do_authorize(conn, params)
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else
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redirect_uri =
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if is_binary(params["redirect_uri"]) do
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params["redirect_uri"]
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else
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app = Repo.preload(token, :app).app
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app.redirect_uris
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|> String.split()
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|> Enum.at(0)
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end
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redirect(conn, external: redirect_uri(conn, redirect_uri))
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handle_existing_authorization(conn, params)
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end
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end
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def authorize(conn, params), do: do_authorize(conn, params)
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def authorize(%Plug.Conn{} = conn, params), do: do_authorize(conn, params)
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defp do_authorize(conn, params) do
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defp do_authorize(%Plug.Conn{} = conn, params) do
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app = Repo.get_by(App, client_id: params["client_id"])
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available_scopes = (app && app.scopes) || []
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scopes = Scopes.fetch_scopes(params, available_scopes)
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@ -70,8 +62,33 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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})
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end
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defp handle_existing_authorization(
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%Plug.Conn{assigns: %{token: %Token{} = token}} = conn,
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params
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) do
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token = Repo.preload(token, :app)
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redirect_uri =
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if is_binary(params["redirect_uri"]) do
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params["redirect_uri"]
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else
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default_redirect_uri(token.app)
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end
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redirect_uri = redirect_uri(conn, redirect_uri)
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if redirect_uri == @oob_token_redirect_uri do
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render(conn, "oob_token_exists.html", %{token: token})
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else
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url_params = %{access_token: token.token}
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url_params = UriHelper.append_param_if_present(url_params, :state, params["state"])
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url = UriHelper.append_uri_params(redirect_uri, url_params)
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redirect(conn, external: url)
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end
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end
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def create_authorization(
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conn,
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%Plug.Conn{} = conn,
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%{"authorization" => _} = params,
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opts \\ []
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) do
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@ -83,35 +100,23 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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end
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def after_create_authorization(conn, auth, %{
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def after_create_authorization(%Plug.Conn{} = conn, %Authorization{} = auth, %{
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"authorization" => %{"redirect_uri" => redirect_uri} = auth_attrs
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}) do
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redirect_uri = redirect_uri(conn, redirect_uri)
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if redirect_uri == "urn:ietf:wg:oauth:2.0:oob" do
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render(conn, "results.html", %{
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auth: auth
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})
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if redirect_uri == @oob_token_redirect_uri do
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render(conn, "oob_authorization_created.html", %{auth: auth})
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else
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connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
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url = "#{redirect_uri}#{connector}"
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url_params = %{:code => auth.token}
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url_params =
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if auth_attrs["state"] do
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Map.put(url_params, :state, auth_attrs["state"])
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else
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url_params
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end
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url = "#{url}#{Plug.Conn.Query.encode(url_params)}"
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url_params = %{code: auth.token}
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url_params = UriHelper.append_param_if_present(url_params, :state, auth_attrs["state"])
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url = UriHelper.append_uri_params(redirect_uri, url_params)
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redirect(conn, external: url)
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end
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end
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defp handle_create_authorization_error(
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conn,
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%Plug.Conn{} = conn,
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{:error, scopes_issue},
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%{"authorization" => _} = params
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)
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@ -125,7 +130,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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defp handle_create_authorization_error(
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conn,
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%Plug.Conn{} = conn,
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{:auth_active, false},
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%{"authorization" => _} = params
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) do
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@ -137,13 +142,13 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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|> authorize(params)
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end
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defp handle_create_authorization_error(conn, error, %{"authorization" => _}) do
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defp handle_create_authorization_error(%Plug.Conn{} = conn, error, %{"authorization" => _}) do
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Authenticator.handle_error(conn, error)
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end
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@doc "Renew access_token with refresh_token"
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def token_exchange(
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conn,
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%Plug.Conn{} = conn,
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%{"grant_type" => "refresh_token", "refresh_token" => token} = _params
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) do
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with {:ok, app} <- Token.Utils.fetch_app(conn),
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@ -159,7 +164,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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end
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def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
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def token_exchange(%Plug.Conn{} = conn, %{"grant_type" => "authorization_code"} = params) do
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with {:ok, app} <- Token.Utils.fetch_app(conn),
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fixed_token = Token.Utils.fix_padding(params["code"]),
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{:ok, auth} <- Authorization.get_by_token(app, fixed_token),
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@ -176,7 +181,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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def token_exchange(
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conn,
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%Plug.Conn{} = conn,
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%{"grant_type" => "password"} = params
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) do
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with {:ok, %User{} = user} <- Authenticator.get_user(conn),
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@ -207,7 +212,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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def token_exchange(
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conn,
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%Plug.Conn{} = conn,
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%{"grant_type" => "password", "name" => name, "password" => _password} = params
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) do
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params =
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@ -218,7 +223,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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token_exchange(conn, params)
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end
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def token_exchange(conn, %{"grant_type" => "client_credentials"} = _params) do
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def token_exchange(%Plug.Conn{} = conn, %{"grant_type" => "client_credentials"} = _params) do
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with {:ok, app} <- Token.Utils.fetch_app(conn),
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{:ok, auth} <- Authorization.create_authorization(app, %User{}),
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{:ok, token} <- Token.exchange_token(app, auth) do
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@ -231,9 +236,9 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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# Bad request
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def token_exchange(conn, params), do: bad_request(conn, params)
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def token_exchange(%Plug.Conn{} = conn, params), do: bad_request(conn, params)
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def token_revoke(conn, %{"token" => _token} = params) do
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def token_revoke(%Plug.Conn{} = conn, %{"token" => _token} = params) do
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with {:ok, app} <- Token.Utils.fetch_app(conn),
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{:ok, _token} <- RevokeToken.revoke(app, params) do
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json(conn, %{})
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@ -244,17 +249,20 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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end
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def token_revoke(conn, params), do: bad_request(conn, params)
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def token_revoke(%Plug.Conn{} = conn, params), do: bad_request(conn, params)
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# Response for bad request
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defp bad_request(conn, _) do
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defp bad_request(%Plug.Conn{} = conn, _) do
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conn
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|> put_status(500)
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|> json(%{error: "Bad request"})
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end
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@doc "Prepares OAuth request to provider for Ueberauth"
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def prepare_request(conn, %{"provider" => provider, "authorization" => auth_attrs}) do
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def prepare_request(%Plug.Conn{} = conn, %{
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"provider" => provider,
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"authorization" => auth_attrs
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}) do
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scope =
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auth_attrs
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|> Scopes.fetch_scopes([])
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@ -275,7 +283,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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redirect(conn, to: o_auth_path(conn, :request, provider, params))
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end
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def request(conn, params) do
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def request(%Plug.Conn{} = conn, params) do
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message =
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if params["provider"] do
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"Unsupported OAuth provider: #{params["provider"]}."
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@ -288,7 +296,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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|> redirect(to: "/")
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end
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def callback(%{assigns: %{ueberauth_failure: failure}} = conn, params) do
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def callback(%Plug.Conn{assigns: %{ueberauth_failure: failure}} = conn, params) do
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params = callback_params(params)
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messages = for e <- Map.get(failure, :errors, []), do: e.message
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message = Enum.join(messages, "; ")
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@ -298,7 +306,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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|> redirect(external: redirect_uri(conn, params["redirect_uri"]))
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end
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def callback(conn, params) do
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def callback(%Plug.Conn{} = conn, params) do
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params = callback_params(params)
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with {:ok, registration} <- Authenticator.get_registration(conn) do
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@ -333,7 +341,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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Map.merge(params, Jason.decode!(state))
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end
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def registration_details(conn, %{"authorization" => auth_attrs}) do
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def registration_details(%Plug.Conn{} = conn, %{"authorization" => auth_attrs}) do
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render(conn, "register.html", %{
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client_id: auth_attrs["client_id"],
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redirect_uri: auth_attrs["redirect_uri"],
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@ -344,7 +352,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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})
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end
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def register(conn, %{"authorization" => _, "op" => "connect"} = params) do
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def register(%Plug.Conn{} = conn, %{"authorization" => _, "op" => "connect"} = params) do
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with registration_id when not is_nil(registration_id) <- get_session_registration_id(conn),
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%Registration{} = registration <- Repo.get(Registration, registration_id),
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{_, {:ok, auth}} <-
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@ -363,7 +371,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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end
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def register(conn, %{"authorization" => _, "op" => "register"} = params) do
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def register(%Plug.Conn{} = conn, %{"authorization" => _, "op" => "register"} = params) do
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with registration_id when not is_nil(registration_id) <- get_session_registration_id(conn),
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%Registration{} = registration <- Repo.get(Registration, registration_id),
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{:ok, user} <- Authenticator.create_from_registration(conn, registration) do
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@ -399,7 +407,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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defp do_create_authorization(
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conn,
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%Plug.Conn{} = conn,
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%{
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"authorization" =>
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%{
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@ -420,13 +428,13 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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end
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# Special case: Local MastodonFE
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defp redirect_uri(conn, "."), do: mastodon_api_url(conn, :login)
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defp redirect_uri(%Plug.Conn{} = conn, "."), do: mastodon_api_url(conn, :login)
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defp redirect_uri(_conn, redirect_uri), do: redirect_uri
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defp redirect_uri(%Plug.Conn{}, redirect_uri), do: redirect_uri
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defp get_session_registration_id(conn), do: get_session(conn, :registration_id)
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defp get_session_registration_id(%Plug.Conn{} = conn), do: get_session(conn, :registration_id)
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defp put_session_registration_id(conn, registration_id),
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defp put_session_registration_id(%Plug.Conn{} = conn, registration_id),
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do: put_session(conn, :registration_id, registration_id)
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@spec validate_scopes(App.t(), map()) ::
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@ -436,4 +444,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
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|> Scopes.fetch_scopes(app.scopes)
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|> Scopes.validates(app.scopes)
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end
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defp default_redirect_uri(%App{} = app) do
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app.redirect_uris
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|> String.split()
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|> Enum.at(0)
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end
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end
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