alias Pleroma.{Repo, User}
alias Comeonin.Pbkdf2
+ plug(:fetch_session)
+ plug(:fetch_flash)
+
+ action_fallback(Pleroma.Web.OAuth.FallbackController)
+
def authorize(conn, params) do
- render conn, "show.html", %{
+ render(conn, "show.html", %{
response_type: params["response_type"],
client_id: params["client_id"],
scope: params["scope"],
- redirect_uri: params["redirect_uri"]
- }
+ redirect_uri: params["redirect_uri"],
+ state: params["state"]
+ })
end
- def create_authorization(conn, %{"authorization" => %{"name" => name, "password" => password, "client_id" => client_id, "redirect_uri" => redirect_uri}} = params) do
+ def create_authorization(conn, %{
+ "authorization" =>
+ %{
+ "name" => name,
+ "password" => password,
+ "client_id" => client_id,
+ "redirect_uri" => redirect_uri
+ } = params
+ }) do
with %User{} = user <- User.get_cached_by_nickname(name),
true <- Pbkdf2.checkpw(password, user.password_hash),
%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", %{
+ render(conn, "results.html", %{
auth: auth
- }
+ })
else
- url = "#{redirect_uri}?code=#{auth.token}"
+ connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
+ url = "#{redirect_uri}#{connector}code=#{auth.token}"
+
+ url =
+ if params["state"] do
+ url <> "&state=#{params["state"]}"
+ else
+ url
+ end
+
redirect(conn, external: url)
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"]),
- %Authorization{} = auth <- Repo.get_by(Authorization, token: params["code"], app_id: app.id),
+ with %App{} = app <-
+ Repo.get_by(
+ App,
+ client_id: params["client_id"],
+ client_secret: params["client_secret"]
+ ),
+ 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
+ response = %{
+ token_type: "Bearer",
+ access_token: token.token,
+ refresh_token: token.refresh_token,
+ expires_in: 60 * 10,
+ scope: "read write follow"
+ }
+
+ json(conn, response)
+ else
+ _error -> json(conn, %{error: "Invalid credentials"})
+ end
+ end
+
+ # TODO
+ # - 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
+ ) 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),
+ true <- Pbkdf2.checkpw(password, user.password_hash),
+ {:ok, auth} <- Authorization.create_authorization(app, user),
{:ok, token} <- Token.exchange_token(app, auth) do
response = %{
token_type: "Bearer",
expires_in: 60 * 10,
scope: "read write follow"
}
+
json(conn, response)
+ else
+ _error -> json(conn, %{error: "Invalid credentials"})
end
end
+
+ defp fix_padding(token) do
+ token
+ |> Base.url_decode64!(padding: false)
+ |> Base.url_encode64()
+ end
end