Maxfield Luke
af6077b9c3
Fresh repository history for elektrine/tarakan hosted at https://git.elektrine.com/elektrine/tarakan.
43 lines
1.4 KiB
Elixir
43 lines
1.4 KiB
Elixir
defmodule TarakanWeb.Plugs.CodeBrowserHeaders do
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@moduledoc false
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import Plug.Conn, only: [put_resp_header: 3]
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def init(opts), do: opts
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def call(conn, _opts) do
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cond do
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default_code_path?(conn.path_info) ->
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put_resp_header(conn, "cache-control", "no-store")
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code_browser_path?(conn.path_info) ->
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conn
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|> put_resp_header("cache-control", "no-store")
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|> put_resp_header("x-robots-tag", "noindex, nofollow")
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true ->
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conn
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end
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end
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# Repository roots: hosted /owner/name and remote /host/owner/name.
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defp default_code_path?([first, _name]), do: repository_segment?(first)
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defp default_code_path?(["findings", _finding_ref, "code"]), do: false
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defp default_code_path?([first, _owner, _name]), do: repository_segment?(first)
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defp default_code_path?(_path), do: false
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defp code_browser_path?(["findings", _finding_ref, "code"]), do: true
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defp code_browser_path?([first, _second, "code" | _rest]), do: repository_segment?(first)
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defp code_browser_path?([first, _second, _third, "code" | _rest]),
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do: repository_segment?(first)
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defp code_browser_path?(_path), do: false
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# A repository path leads with a host (domain or legacy slug) or an
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# account handle; fixed-route prefixes are reserved handles and excluded.
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defp repository_segment?(segment) do
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Tarakan.Hosts.host_segment?(segment) or
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not Tarakan.Accounts.Account.reserved_handle?(segment)
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end
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end
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