mirror of
https://github.com/philomena-dev/philomena.git
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3e7ee76fe2
* added new method (POST) to /api/v1/json/images * Cleaned up debug * added require_authorization plug, fixed up issues with image_controller * make user do work * Fixed inefficient function use * added api fingerprinting * more robust * corrected holdover from merging files
50 lines
1 KiB
Elixir
50 lines
1 KiB
Elixir
defmodule PhilomenaWeb.UserAttributionPlug do
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@moduledoc """
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This plug stores information about the current session for use in
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model attribution.
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## Example
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plug PhilomenaWeb.UserAttributionPlug
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"""
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alias Plug.Conn
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@doc false
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@spec init(any()) :: any()
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def init(opts), do: opts
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@doc false
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@spec call(Plug.Conn.t(), any()) :: Plug.Conn.t()
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def call(conn, _opts) do
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{:ok, remote_ip} = EctoNetwork.INET.cast(conn.remote_ip)
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conn = Conn.fetch_cookies(conn)
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user = Pow.Plug.current_user(conn)
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attributes = [
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ip: remote_ip,
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fingerprint: fingerprint(conn, conn.path_info),
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referrer: conn.assigns.referrer,
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user: user,
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user_agent: user_agent(conn)
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]
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conn
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|> Conn.assign(:attributes, attributes)
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end
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defp user_agent(conn) do
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case Conn.get_req_header(conn, "user-agent") do
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[ua] -> ua
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_ -> nil
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end
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end
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defp fingerprint(conn, ["api" | _]) do
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"a#{:erlang.crc32(user_agent(conn))}"
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end
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defp fingerprint(conn, _) do
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conn.cookies["_ses"]
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end
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end
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