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potionx
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Potionx is a set of generators and functions that speeds up the process of setting up and deploying a full-stack application that uses Elixir with GraphQL for the server-side component and Vue for the frontend component.
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lib/potionx/auth/auth.ex
defmodule Potionx.Auth do
use TypedStruct
def cookie_options(%Plug.Conn{} = conn, config, max_age) do
[
http_only: true,
domain: conn.host,
max_age: max_age,
secure: conn.scheme === :https,
same_site: "strict" # strict prevents CSRF
] ++ (config || [])
end
def delete_cookie(conn, %{name: name, ttl_seconds: ttl_seconds}) do
conn
|> Plug.Conn.delete_resp_cookie(
name,
cookie_options(
conn,
[sign: true],
ttl_seconds
)
)
end
@spec set_cookie(Plug.Conn.t(), %{id: String.t(), ttl_ms: integer}) :: Plug.Conn.t()
def set_cookie(conn, %{name: name, token: token, ttl_seconds: ttl_seconds} = config) do
conn
|> Plug.Conn.put_resp_cookie(
name,
token,
cookie_options(
conn,
[
same_site: Map.get(config, :same_site) || "strict",
sign: true
],
ttl_seconds
)
)
end
def token_config(config \\ []) do
Map.merge(
%{
access_token: %{
name: "a_app",
ttl_key: :ttl_access_seconds,
ttl_seconds: 60 * 30, # 30 minutes,
uuid_key: :uuid_access
},
frontend: %{
name: "frontend",
ttl_key: nil,
ttl_seconds: 60 * 30, # 30 minutes
uuid_key: nil
},
renewal_token: %{
name: "r_app",
ttl_key: :ttl_renewal_seconds,
ttl_seconds: 60 * 60 * 24 * 30, # 30 days
uuid_key: :uuid_renewal
},
sign_in_token: %{
name: "a_app",
same_site: "lax",
ttl_key: :ttl_access_seconds,
ttl_seconds: 60 * 5, # 5 minutes
uuid_key: :uuid_access
}
},
Keyword.get(config, :token_config, %{})
)
end
end