Packages
livebook
0.19.0
0.19.8
0.19.7
0.19.6
0.19.5
0.19.4
0.19.3
0.19.2
0.19.1
0.19.0
0.18.6
0.18.5
0.18.4
0.18.3
0.18.2
0.18.1
0.18.0
0.17.3
0.17.2
0.17.1
0.17.0
0.16.4
0.16.3
0.16.2
0.16.1
0.16.0
0.15.5
0.15.4
0.15.3
0.15.2
0.15.1
0.15.0
0.14.7
0.14.6
0.14.5
0.14.4
0.14.3
0.14.2
0.14.1
0.14.0
0.14.0-rc.1
0.14.0-rc.0
0.13.3
0.13.2
0.13.1
0.13.0
0.12.1
0.12.0
0.11.4
0.11.3
0.11.2
0.11.1
0.11.0
0.10.0
0.9.3
0.9.2
0.9.1
0.9.0
0.8.2
0.8.1
0.8.0
0.7.2
0.7.1
0.7.0
0.6.3
0.6.2
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.1
0.4.0
0.3.2
0.3.1
0.3.0
0.2.3
0.2.2
0.2.1
0.2.0
0.1.2
0.1.1
0.1.0
Automate code & data workflows with interactive notebooks
Current section
Files
Jump to
Current section
Files
lib/livebook_web/iframe_endpoint.ex
defmodule LivebookWeb.IframeEndpoint do
use Plug.Builder
plug Plug.Static,
at: "/iframe",
from: {__MODULE__, :static_from, []},
gzip: true,
# Iframes are versioned, so we cache them for long
cache_control_for_etags: "public, max-age=31536000",
headers: [
# Enable CORS to allow Livebook fetch the content and verify its integrity
{"access-control-allow-origin", "*"},
{"content-type", "text/html; charset=utf-8"}
]
@doc false
def static_from(), do: Path.join(Livebook.Config.priv_path(), "static/iframe")
plug :not_found
defp not_found(conn, _) do
send_resp(conn, 404, "not found")
end
@doc """
Returns the listening port of the iframe endpoint.
"""
@spec port() :: pos_integer()
def port() do
iframe_port = Livebook.Config.iframe_port()
case iframe_port do
0 ->
try do
ThousandIsland.listener_info(__MODULE__)
rescue
_ -> iframe_port
else
{:ok, {_ip, port}} -> port
_ -> iframe_port
end
_ ->
iframe_port
end
end
end