File

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−-- Prosody IM
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−-- Copyright (C) 2008-2010 Matthew Wild
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−-- Copyright (C) 2008-2010 Waqas Hussain
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−--
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−-- This project is MIT/X11 licensed. Please see the
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−-- COPYING file in the source package for more information.
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−--
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−-- luacheck: ignore 212
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−
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−local new_sasl = require "util.sasl".new;
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−local datamanager = require "util.datamanager";
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−local hosts = prosody.hosts;
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−
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−local allow_storage = module:get_option_boolean("allow_anonymous_storage", false);
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−
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−-- define auth provider
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−local provider = {};
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−
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−function provider.test_password(username, password)
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−	return nil, "Password based auth not supported.";
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−end
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−
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−function provider.get_password(username)
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−	return nil, "Password not available.";
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−end
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−
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−function provider.set_password(username, password)
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−	return nil, "Password based auth not supported.";
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−end
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−
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−function provider.user_exists(username)
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−	return nil, "Only anonymous users are supported."; -- FIXME check if anonymous user is connected?
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−end
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−
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−function provider.create_user(username, password)
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−	return nil, "Account creation/modification not supported.";
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−end
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−
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−function provider.get_sasl_handler()
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−	local anonymous_authentication_profile = {
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−		anonymous = function(sasl, username, realm)
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−			return true; -- for normal usage you should always return true here
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−		end
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−	};
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−	return new_sasl(module.host, anonymous_authentication_profile);
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−end
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−
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−function provider.users()
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−	return next, hosts[module.host].sessions, nil;
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−end
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−
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−-- datamanager callback to disable writes
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−local function dm_callback(username, host, datastore, data)
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−	if host == module.host then
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−		return false;
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−	end
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−	return username, host, datastore, data;
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−end
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−
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−if not module:get_option_boolean("allow_anonymous_s2s", false) then
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−	module:hook("route/remote", function (event)
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−		return false; -- Block outgoing s2s from anonymous users
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−	end, 300);
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−end
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−
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−function module.load()
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−	if not allow_storage then
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−		datamanager.add_callback(dm_callback);
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−	end
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−end
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−function module.unload()
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−	if not allow_storage then
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−		datamanager.remove_callback(dm_callback);
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−	end
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−end
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−
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−module:provides("auth", provider);
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−