livebook/lib/livebook_web/endpoint.ex
Jonatan Kłosko 19baf013d5
Introduce a dedicated channel for JS widget communication (#843)
* Introduce a dedicated channel for JS widget communication

* Handle payload serialization errors

* Tie channel lifetime to the session

* Catch serialization errors instead of encoding twice

* Merge JS static and dynamic outputs

* Authenticate socket connection from session

* Update JS output format

* Remove unused helper

* Apply review comments
2022-01-06 16:31:26 +01:00

91 lines
2.8 KiB
Elixir

defmodule LivebookWeb.Endpoint do
use Phoenix.Endpoint, otp_app: :livebook
# The session will be stored in the cookie and signed,
# this means its contents can be read but not tampered with.
# Set :encryption_salt if you would also like to encrypt it.
@session_options [
store: :cookie,
key: "_livebook_key",
signing_salt: "deadbook",
same_site: "Lax"
]
socket "/live", LivebookWeb.Socket,
# Don't check the origin as we don't know how the web app is gonna be accessed.
# It runs locally, but may be exposed via IP or domain name.
# The WebSocket connection is already protected from CSWSH by using CSRF token.
websocket: [check_origin: false, connect_info: [:user_agent, :uri, session: @session_options]]
# We use Escript for distributing Livebook, so we don't have access to the static
# files at runtime in the prod environment. To overcome this we load contents of
# those files at compilation time, so that they become a part of the executable
# and can be served from memory.
defmodule AssetsMemoryProvider do
use LivebookWeb.MemoryProvider,
from: Path.expand("../../static", __DIR__),
gzip: true
end
defmodule AssetsFileSystemProvider do
use LivebookWeb.FileSystemProvider,
from: "tmp/static_dev"
end
# Serve static files at "/"
if code_reloading? do
# In development we use assets from tmp/static_dev (rebuilt dynamically on every change).
# Note that this directory doesn't contain predefined files (e.g. images), so we also
# use `AssetsMemoryProvider` to serve those from static/.
plug LivebookWeb.StaticPlug,
at: "/",
file_provider: AssetsFileSystemProvider,
gzip: false
end
plug LivebookWeb.StaticPlug,
at: "/",
file_provider: AssetsMemoryProvider,
gzip: true
# Code reloading can be explicitly enabled under the
# :code_reloader configuration of your endpoint.
if code_reloading? do
socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
plug Phoenix.LiveReloader
plug Phoenix.CodeReloader
end
plug Phoenix.LiveDashboard.RequestLogger,
param_key: "request_logger",
cookie_key: "request_logger"
plug Plug.RequestId
plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
plug Plug.Parsers,
parsers: [:urlencoded, :multipart, :json],
pass: ["*/*"],
json_decoder: Phoenix.json_library()
plug Plug.MethodOverride
plug Plug.Head
plug Plug.Session, @session_options
# Run custom plugs from the app configuration
plug LivebookWeb.ConfiguredPlug
plug LivebookWeb.Router
def access_url() do
root_url = url()
if Livebook.Config.auth_mode() == :token do
token = Application.fetch_env!(:livebook, :token)
root_url <> "/?token=" <> token
else
root_url
end
end
end