view mod_http_authentication/mod_http_authentication.lua @ 5383:df11a2cbc7b7

mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Likely to become mandatory in OAuth 2.1. Backwards compatible since the default 'plain' verifier would compare nil with nil if the relevant parameters are left out.
author Kim Alvefur <zash@zash.se>
date Sat, 29 Apr 2023 13:09:46 +0200
parents 05725785e3a6
children
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module:set_global();

local b64_decode = require "util.encodings".base64.decode;
local server = require "net.http.server";

local credentials = module:get_option_string("http_credentials", "username:secretpassword");
local unauthed_endpoints = module:get_option_set("unauthenticated_http_endpoints", { "/http-bind", "/http-bind/" })._items;

module:wrap_object_event(server._events, false, function (handlers, event_name, event_data)
	local request = event_data.request;
	if event_name ~= "http-error" and request and not unauthed_endpoints[request.path] then
		local response = event_data.response;
		local headers = request.headers;
		if not headers.authorization then
			response.headers.www_authenticate = ("Basic realm=%q"):format(module.host.."/"..module.name);
			return 401;
		end
		local user_password = b64_decode(headers.authorization:match("%s(%S*)$"));
		if user_password ~= credentials then
			return 401;
		end
	end
	return handlers(event_name, event_data);
end);