zf

commit bfaf0d08a8e1d94ab494fb42df046c427f7c8ee0
parent e1559558a57bfe37187ece311996ef4856bb08bd
Author: srfsh <dev@srf.sh>
Date:   Mon, 18 Jul 2022 14:58:24 +0300

web: set absinthe context with data fetched from http headers

Diffstat:
M
src/zenflows/web.ex
 | 
19
+++++++++++++++++++

1 file changed, 19 insertions(+), 0 deletions(-)
diff --git a/src/zenflows/web.ex b/src/zenflows/web.ex
@@ -10,6 +10,7 @@ plug Plug.Parsers,
 	parsers: [:json, Absinthe.Plug.Parser],
 	pass: ["*/*"],
 	json_decoder: Jason
+plug :gql_context
 plug :dispatch
 
 forward "/api",
@@ -29,4 +30,22 @@ match _ do
 		<a href="/api">the api location</a>
 	""")
 end
+
+# Set the absinthe context with the data fetched from various headers.
+defp gql_context(conn, _opts) do
+	ctx =
+		case get_req_header(conn, "zenflows-admin") do
+			[key | _] ->
+				%{gql_admin: key}
+
+			_ ->
+				with [user | _] <- get_req_header(conn, "zenflows-user"),
+						[sign | _] <- get_req_header(conn, "zenflows-sign") do
+					%{gql_user: user, gql_sign: sign}
+				else
+					_ -> %{}
+				end
+		end
+	Absinthe.Plug.put_options(conn, context: ctx)
+end
 end