Packages
livebook
0.14.0-rc.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
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0.7.1
0.7.0
0.6.3
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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
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lib/livebook_web/iframe_endpoint.ex
defmodule LivebookWeb.IframeEndpoint do
use Plug.Builder
defmodule AssetsMemoryProvider do
use LivebookWeb.MemoryProvider,
from: Path.expand("../../iframe/priv/static/iframe", __DIR__),
gzip: true
end
plug LivebookWeb.StaticPlug,
at: "/iframe",
file_provider: AssetsMemoryProvider,
gzip: true,
headers: [
# Enable CORS to allow Livebook fetch the content and verify its integrity
{"access-control-allow-origin", "*"},
# Iframes are versioned, so we cache them for long
{"cache-control", "public, max-age=31536000"},
# Specify the charset
{"content-type", "text/html; charset=utf-8"}
]
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
livebook_port = Livebook.Config.port()
iframe_port = Livebook.Config.iframe_port()
case livebook_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