view mod_auth_cyrus/mod_auth_cyrus.lua @ 5264:d3ebaef1ea7a

mod_http_oauth2: Correctly verify OAuth client credentials on revocation Makes no sense to validate against username and password here, or using a token to revoke another token, or itself? In fact, upon further discussion, why do you need credentials to revoke a token? If you are not supposed to have the token, revoking it seems the most responsible thing to do with it, so it should be allowed, while if you are supposed to have it, you should be allowed to revoke it.
author Kim Alvefur <zash@zash.se>
date Tue, 21 Mar 2023 21:57:18 +0100
parents b8366e31c829
children
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
-- luacheck: ignore 212

local log = require "util.logger".init("auth_cyrus");

local usermanager_user_exists = require "core.usermanager".user_exists;

local cyrus_service_realm = module:get_option("cyrus_service_realm");
local cyrus_service_name = module:get_option("cyrus_service_name");
local cyrus_application_name = module:get_option("cyrus_application_name");
local require_provisioning = module:get_option("cyrus_require_provisioning") or false;
local host_fqdn = module:get_option("cyrus_server_fqdn");

prosody.unlock_globals(); --FIXME: Figure out why this is needed and
						  -- why cyrussasl isn't caught by the sandbox
local cyrus_new = module:require "sasl_cyrus".new;
prosody.lock_globals();
local new_sasl = function(realm)
	return cyrus_new(
		cyrus_service_realm or realm,
		cyrus_service_name or "xmpp",
		cyrus_application_name or "prosody",
		host_fqdn
	);
end

do -- diagnostic
	local list;
	for mechanism in pairs(new_sasl(module.host):mechanisms()) do
		list = (not(list) and mechanism) or (list..", "..mechanism);
	end
	if not list then
		module:log("error", "No Cyrus SASL mechanisms available");
	else
		module:log("debug", "Available Cyrus SASL mechanisms: %s", list);
	end
end

local host = module.host;

-- define auth provider
local provider = {};
log("debug", "initializing default authentication provider for host '%s'", host);

function provider.test_password(username, password)
	return nil, "Legacy auth not supported with Cyrus SASL.";
end

function provider.get_password(username)
	return nil, "Passwords unavailable for Cyrus SASL.";
end

function provider.set_password(username, password)
	return nil, "Passwords unavailable for Cyrus SASL.";
end

function provider.user_exists(username)
	if require_provisioning then
		return usermanager_user_exists(username, host);
	end
	return true;
end

function provider.create_user(username, password)
	return nil, "Account creation/modification not available with Cyrus SASL.";
end

function provider.get_sasl_handler()
	local handler = new_sasl(host);
	if require_provisioning then
		function handler.require_provisioning(username)
			return usermanager_user_exists(username, host);
		end
	end
	return handler;
end

module:provides("auth", provider);