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}} = 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
- render conn, "results.html", %{
- auth: auth
- }
+ 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}"
+ url = if params["state"] do
+ url <> "&state=#{params["state"]}"
+ else
+ url
+ end
+ redirect(conn, external: url)
+ end
end
end
# - 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),
+ 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",
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