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electric
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retired
1.1.5
retired
1.1.4
retired
1.1.3
retired
1.1.2
1.1.1
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1.0.24
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1.0.19
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1.0.2
1.0.1
1.0.0
1.0.0-beta.23
1.0.0-beta.22
1.0.0-beta.20
1.0.0-beta.19
1.0.0-beta.18
1.0.0-beta.17
1.0.0-beta.16
1.0.0-beta.15
1.0.0-beta.14
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1.0.0-beta.12
1.0.0-beta.11
1.0.0-beta.10
1.0.0-beta.9
1.0.0-beta.8
1.0.0-beta.7
1.0.0-beta.6
1.0.0-beta.5
1.0.0-beta.4
1.0.0-beta.3
1.0.0-beta.2
1.0.0-beta.1
0.9.5
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0.9.3
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0.9.1
0.9.0
0.8.1
0.8.0
0.7.7
0.7.6
0.7.5
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.3
0.6.2
0.6.1
0.5.2
0.4.4
Postgres sync engine. Sync little subsets of your Postgres data into local apps and services.
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lib/electric/shapes/api/options.ex
defmodule Electric.Shapes.Api.Options do
@allowed_headers ["if-none-match", "traceparent"]
def call(%Plug.Conn{} = conn) do
conn
|> add_cache_max_age_header()
|> filter_cors_headers()
|> add_keep_alive()
|> send_options_response()
end
defp add_cache_max_age_header(conn) do
conn
|> Plug.Conn.put_resp_header("access-control-max-age", "86400")
|> Plug.Conn.delete_resp_header("cache-control")
end
defp filter_cors_headers(conn) do
case Plug.Conn.get_req_header(conn, "access-control-request-headers") do
[] ->
conn
headers ->
supported_headers =
headers
|> Enum.filter(&Enum.member?(@allowed_headers, String.downcase(&1)))
|> Enum.join(",")
case supported_headers do
"" -> conn
_ -> Plug.Conn.put_resp_header(conn, "access-control-allow-headers", supported_headers)
end
end
end
defp add_keep_alive(conn), do: Plug.Conn.put_resp_header(conn, "connection", "keep-alive")
defp send_options_response(conn), do: Plug.Conn.send_resp(conn, 204, "")
end