forked from AkkomaGang/akkoma
91 lines
3.1 KiB
Elixir
91 lines
3.1 KiB
Elixir
defmodule Pleroma.Web.OAuth.OAuthController do
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use Pleroma.Web, :controller
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alias Pleroma.Web.OAuth.{Authorization, Token, App}
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alias Pleroma.{Repo, User}
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alias Comeonin.Pbkdf2
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plug :fetch_session
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plug :fetch_flash
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action_fallback Pleroma.Web.OAuth.FallbackController
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def authorize(conn, params) do
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render conn, "show.html", %{
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response_type: params["response_type"],
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client_id: params["client_id"],
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scope: params["scope"],
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redirect_uri: params["redirect_uri"],
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state: params["state"]
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}
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end
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def create_authorization(conn, %{"authorization" => %{"name" => name, "password" => password, "client_id" => client_id, "redirect_uri" => redirect_uri} = params}) do
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with %User{} = user <- User.get_cached_by_nickname(name),
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true <- Pbkdf2.checkpw(password, user.password_hash),
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%App{} = app <- Repo.get_by(App, client_id: client_id),
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{:ok, auth} <- Authorization.create_authorization(app, user) do
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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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else
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connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
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url = "#{redirect_uri}#{connector}code=#{auth.token}"
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url = if params["state"] do
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url <> "&state=#{params["state"]}"
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else
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url
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end
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redirect(conn, external: url)
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end
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end
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end
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# TODO
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# - proper scope handling
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def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
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with %App{} = app <- Repo.get_by(App, client_id: params["client_id"], client_secret: params["client_secret"]),
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fixed_token = fix_padding(params["code"]),
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%Authorization{} = auth <- Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
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{:ok, token} <- Token.exchange_token(app, auth) do
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response = %{
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token_type: "Bearer",
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access_token: token.token,
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refresh_token: token.refresh_token,
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expires_in: 60 * 10,
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scope: "read write follow"
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}
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json(conn, response)
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else
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_error -> json(conn, %{error: "Invalid credentials"})
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end
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end
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# TODO
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# - investigate a way to verify the user wants to grant read/write/follow once scope handling is done
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def token_exchange(conn, %{"grant_type" => "password", "name" => name, "password" => password} = params) do
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with %App{} = app <- Repo.get_by(App, client_id: params["client_id"], client_secret: params["client_secret"]),
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%User{} = user <- User.get_cached_by_nickname(name),
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true <- Pbkdf2.checkpw(password, user.password_hash),
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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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response = %{
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token_type: "Bearer",
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access_token: token.token,
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refresh_token: token.refresh_token,
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expires_in: 60 * 10,
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scope: "read write follow"
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}
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json(conn, response)
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else
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_error -> json(conn, %{error: "Invalid credentials"})
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end
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end
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defp fix_padding(token) do
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token
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|> Base.url_decode64!(padding: false)
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|> Base.url_encode64
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end
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end
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