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util/logger.lua @ 12594:29685403be32
mod_saslauth: Implement RFC 9266 'tls-exporter' channel binding (#1760)
Brings back SCRAM-SHA-*-PLUS from its hiatus brought on by the earlier
channel binding method being undefined for TLS 1.3, and the increasing
deployment of TLS 1.3.
See 1bfd238e05ad and #1542
Requires future version of LuaSec, once support for this key material
export method is merged.
See https://github.com/brunoos/luasec/pull/187
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 01 Jun 2022 15:06:59 +0200 |
parent | 12395:1e34b910b73a |
child | 12975:d10957394a3c |
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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 213/level local pairs = pairs; local ipairs = ipairs; local require = require; local t_remove = table.remove; local _ENV = nil; -- luacheck: std none local level_sinks = {}; local make_logger; local function init(name) local log_debug = make_logger(name, "debug"); local log_info = make_logger(name, "info"); local log_warn = make_logger(name, "warn"); local log_error = make_logger(name, "error"); return function (level, message, ...) if level == "debug" then return log_debug(message, ...); elseif level == "info" then return log_info(message, ...); elseif level == "warn" then return log_warn(message, ...); elseif level == "error" then return log_error(message, ...); end end end function make_logger(source_name, level) local level_handlers = level_sinks[level]; if not level_handlers then level_handlers = {}; level_sinks[level] = level_handlers; end local logger = function (message, ...) for i = 1,#level_handlers do level_handlers[i](source_name, level, message, ...); end end return logger; end local function reset() for level, handler_list in pairs(level_sinks) do -- Clear all handlers for this level for i = 1, #handler_list do handler_list[i] = nil; end end end local function add_level_sink(level, sink_function) if not level_sinks[level] then level_sinks[level] = { sink_function }; else level_sinks[level][#level_sinks[level] + 1 ] = sink_function; end end local function add_simple_sink(simple_sink_function, levels) local format = require "util.format".format; local function sink_function(name, level, msg, ...) return simple_sink_function(name, level, format(msg, ...)); end for _, level in ipairs(levels or {"debug", "info", "warn", "error"}) do add_level_sink(level, sink_function); end return sink_function; end local function remove_sink(sink_function) local removed; for level, sinks in pairs(level_sinks) do for i = #sinks, 1, -1 do if sinks[i] == sink_function then t_remove(sinks, i); removed = true; end end end return removed; end return { init = init; make_logger = make_logger; reset = reset; add_level_sink = add_level_sink; add_simple_sink = add_simple_sink; new = make_logger; remove_sink = remove_sink; };