Mercurial > prosody-modules
view mod_component_roundrobin/mod_component_roundrobin.lua @ 3866:c0df50ce96f0
mod_rest: Handle internal http request errors early and then return
Skips over attempted parsing of the payload which usually failed since
the body is an error string like "connection refused", so this produced
useless errors.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 25 Jan 2020 20:22:12 +0100 |
parents | 7dbde05b48a9 |
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. -- if module:get_host_type() ~= "component" then error("Don't load mod_component manually, it should be for a component, please see http://prosody.im/doc/components", 0); end local hosts = _G.hosts; local t_concat = table.concat; local sha1 = require "util.hashes".sha1; local st = require "util.stanza"; local log = module._log; local sessions = module:shared("sessions"); local last_session; local function on_destroy(session, err) if sessions[session] then if last_session == session then last_session = nil; end sessions[session] = nil; session.on_destroy = nil; end end local function handle_stanza(event) local stanza = event.stanza; if next(sessions) then stanza.attr.xmlns = nil; last_session = next(sessions, last_session) or next(sessions); last_session.send(stanza); else log("warn", "Component not connected, bouncing error for: %s", stanza:top_tag()); if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then event.origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable")); end end return true; end module:hook("iq/bare", handle_stanza, -0.5); module:hook("message/bare", handle_stanza, -0.5); module:hook("presence/bare", handle_stanza, -0.5); module:hook("iq/full", handle_stanza, -0.5); module:hook("message/full", handle_stanza, -0.5); module:hook("presence/full", handle_stanza, -0.5); module:hook("iq/host", handle_stanza, -0.5); module:hook("message/host", handle_stanza, -0.5); module:hook("presence/host", handle_stanza, -0.5); --- Handle authentication attempts by components function handle_component_auth(event) local session, stanza = event.origin, event.stanza; if session.type ~= "component_unauthed" then return; end if sessions[session] then return; end if (not session.host) or #stanza.tags > 0 then (session.log or log)("warn", "Invalid component handshake for host: %s", session.host); session:close("not-authorized"); return true; end local secret = module:get_option("component_secret"); if not secret then (session.log or log)("warn", "Component attempted to identify as %s, but component_secret is not set", session.host); session:close("not-authorized"); return true; end local supplied_token = t_concat(stanza); local calculated_token = sha1(session.streamid..secret, true); if supplied_token:lower() ~= calculated_token:lower() then log("info", "Component authentication failed for %s", session.host); session:close{ condition = "not-authorized", text = "Given token does not match calculated token" }; return true; end -- Add session to sessions table sessions[session] = true; session.on_destroy = on_destroy; session.component_validate_from = module:get_option_boolean("validate_from_addresses", true); session.type = "component"; log("info", "Component successfully authenticated: %s", session.host); session.send(st.stanza("handshake")); return true; end module:hook("stanza/jabber:component:accept:handshake", handle_component_auth, 10);