forked from YokaiRick/akkoma
04daa0fa44
This fixes running mastofe with MIX_ENV=dev
63 lines
1.7 KiB
Elixir
63 lines
1.7 KiB
Elixir
defmodule Pleroma.Plugs.HTTPSecurityPlug do
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alias Pleroma.Config
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import Plug.Conn
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def init(opts), do: opts
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def call(conn, options) do
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if Config.get([:http_security, :enabled]) do
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conn =
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merge_resp_headers(conn, headers())
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|> maybe_send_sts_header(Config.get([:http_security, :sts]))
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else
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conn
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end
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end
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defp headers do
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referrer_policy = Config.get([:http_security, :referrer_policy])
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[
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{"x-xss-protection", "1; mode=block"},
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{"x-permitted-cross-domain-policies", "none"},
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{"x-frame-options", "DENY"},
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{"x-content-type-options", "nosniff"},
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{"referrer-policy", referrer_policy},
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{"x-download-options", "noopen"},
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{"content-security-policy", csp_string() <> ";"}
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]
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end
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defp csp_string do
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protocol = Config.get([Pleroma.Web.Endpoint, :protocol])
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[
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"default-src 'none'",
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"base-uri 'self'",
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"frame-ancestors 'none'",
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"img-src 'self' data: https:",
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"media-src 'self' https:",
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"style-src 'self' 'unsafe-inline'",
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"font-src 'self'",
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"script-src 'self'",
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"connect-src 'self' " <> String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
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"manifest-src 'self'",
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if @protocol == "https" do
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"upgrade-insecure-requests"
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end
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]
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|> Enum.join("; ")
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end
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defp maybe_send_sts_header(conn, true) do
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max_age_sts = Config.get([:http_security, :sts_max_age])
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max_age_ct = Config.get([:http_security, :ct_max_age])
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merge_resp_headers(conn, [
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{"strict-transport-security", "max-age=#{max_age_sts}; includeSubDomains"},
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{"expect-ct", "enforce, max-age=#{max_age_ct}"}
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])
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end
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defp maybe_send_sts_header(conn, _), do: conn
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end
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