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context_plug.ex
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context_plug.ex
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defmodule LSGWeb.ContextPlug do
import Plug.Conn
import Phoenix.Controller
def init(opts \\ []) do
opts || []
end
def get_account(conn) do
cond do
get_session(conn, :account) -> get_session(conn, :account)
get_session(conn, :oidc_id) -> if account = IRC.Account.find_meta_account("identity-id", get_session(conn, :oidc_id)), do: account.id
true -> nil
end
end
def call(conn, opts) do
account = with \
{:account, account_id} when is_binary(account_id) <- {:account, get_account(conn)},
{:account, account} when not is_nil(account) <- {:account, IRC.Account.get(account_id)}
do
account
else
_ -> nil
end
network = Map.get(conn.params, "network")
network = if network == "-", do: nil, else: network
oidc_account = IRC.Account.find_meta_account("identity-id", get_session(conn, :oidc_id))
conns = IRC.Connection.get_network(network)
chan = if c = Map.get(conn.params, "chan") do
LSGWeb.reformat_chan(c)
end
chan_conn = IRC.Connection.get_network(network, chan)
memberships = if account do
IRC.Membership.of_account(account)
end
auth_required = cond do
Keyword.get(opts, :restrict) == :public -> false
account == nil -> true
network == nil -> false
Keyword.get(opts, :restrict) == :logged_in -> false
network && chan ->
!Enum.member?(memberships, {network, chan})
network ->
!Enum.any?(memberships, fn({n, _}) -> n == network end)
end
bot = cond do
network && chan && chan_conn -> chan_conn.nick
network && conns -> conns.nick
true -> nil
end
cond do
account && auth_required ->
conn
|> put_status(404)
|> text("Page not found")
|> halt()
auth_required ->
conn
|> put_status(403)
|> render(LSGWeb.AlcoologView, "auth.html", bot: bot, no_header: true, network: network)
|> halt()
(network && !conns) ->
conn
|> put_status(404)
|> text("Page not found")
|> halt()
(chan && !chan_conn) ->
conn
|> put_status(404)
|> text("Page not found")
|> halt()
true ->
conn = conn
|> assign(:network, network)
|> assign(:chan, chan)
|> assign(:bot, bot)
|> assign(:account, account)
|> assign(:oidc_account, oidc_account)
|> assign(:memberships, memberships)
end
end
end

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context_plug.ex (2 KB)

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