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https://github.com/livebook-dev/livebook.git
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5c8e117800
* Add initial user config modal * Assign user ids * Update session data to hold user ids * Get users list for specific ids * Render user avatar * User update * Refactor user changes * Subscribe to individual user updates * Show users in side panel * Add sidebar to homepage * Don't generate the same color twice in a row * Add documentation notes * Fix tests * Add tests * Keep users in session data * Rename color to hex_color
58 lines
1.4 KiB
Elixir
58 lines
1.4 KiB
Elixir
defmodule LivebookWeb.UserPlug do
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@moduledoc false
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# Initializes the session and cookies with user-related info.
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#
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# The first time someone visits Livebook
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# this plug stores a new random user id
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# in the session under `:current_user_id`.
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#
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# Additionally the cookies are checked for the presence
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# of `"user_data"` and if there is none, a new user
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# attributes are stored there. This makes sure
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# the client-side can always access some `"user_data"`
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# for `connect_params` of the socket connection.
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@behaviour Plug
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import Plug.Conn
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alias Livebook.Users.User
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@impl true
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def init(opts), do: opts
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@impl true
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def call(conn, _opts) do
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conn
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|> ensure_current_user_id()
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|> ensure_user_data()
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end
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defp ensure_current_user_id(conn) do
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if get_session(conn, :current_user_id) do
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conn
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else
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user_id = Livebook.Utils.random_id()
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put_session(conn, :current_user_id, user_id)
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end
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end
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defp ensure_user_data(conn) do
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if Map.has_key?(conn.req_cookies, "user_data") do
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conn
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else
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user_data = user_data(User.new())
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encoded = user_data |> Jason.encode!() |> Base.encode64()
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# Set `http_only` to `false`, so that it can be accessed on the client
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# Set expiration in 5 years
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put_resp_cookie(conn, "user_data", encoded, http_only: false, max_age: 157_680_000)
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end
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end
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defp user_data(user) do
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user
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|> Map.from_struct()
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|> Map.delete(:id)
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end
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end
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