Software /
code /
clix
File
clix/raw.lua @ 149:014e73c329c5
clix.raw: Linearise condition
Goal of having the 'send_xml' string always exist in one place, so we
can do things with it regardless of where it came from.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 10 Apr 2021 00:21:05 +0200 |
parent | 138:1783d4226ba1 |
child | 150:af9b9acb10d6 |
line wrap: on
line source
local verse = require "verse"; short_opts.i = "interactive"; short_opts.e = "echo"; return function (opts, args) if opts.short_help then print("Send/receive raw XML to/from the server"); return; end local send_xml; if opts.stdin then send_xml = io.read("*a"); end local function on_connect(conn) local print = print; local function stprint(stanza) if stanza.attr.to == conn.jid then stanza.attr.to = nil; end if opts.pretty and stanza.indent then return print(stanza:indent(1, " "):pretty_print()); end return print(stanza); end conn:hook("stanza", stprint) if opts.interactive then local stdin = { getfd = function () return 0; end; dirty = function (self) return false; end; settimeout = function () end; send = function (_, d) return #d, 0; end; close = function () end; receive = function (_, patt) local data = io.stdin:read(patt); if data == nil then conn:close(); end if opts.echo then io.write(data, patt == "*l" and "\n" or ""); end return data; end }; local stwrap; do local f_mt, r_mt = {}, {}; function f_mt:__call(...) if ... and type(...) == "string" then return self{ to=... } end return self._f(...) end function f_mt:__index(k) return setmetatable({_st = self._f{ type = k }}, r_mt); end function r_mt:__call(to) self._st.attr.to = to; return self._st end function stwrap(f) return setmetatable({_f=f},f_mt) end end local env = setmetatable({}, { __index = { s = verse.stanza, m = stwrap(verse.message), p = stwrap(verse.presence), iq = stwrap(verse.iq), ping = function(host) return verse.iq{ type="get", to=host}:tag("ping", {xmlns="urn:xmpp:ping"}); end, version = function(host) return verse.iq{ type="get", to=host}:query"jabber:iq:version"; end, vcard = function(who) return verse.iq{ type="get", to=who}:tag("vCard",{xmlns="vcard-temp"}); end, pubsub = function(...) return conn.pubsub(...); end, disco = function (to, node) return verse.iq{ type="get", to=to }:tag("query", { xmlns="http://jabber.org/protocol/disco#info", node = node }); end, items = function (to, node) return verse.iq{ type="get", to=to }:tag("query", { xmlns="http://jabber.org/protocol/disco#items", node = node }); end, join = function (roomnick) return verse.presence({ to=roomnick }):tag("x", { xmlns="http://jabber.org/protocol/muc" }); end, }}); local function on_incoming(stdin, data) if not data then conn:close(); return end if data:sub(1,1) ~= "<" then local chunk, err = loadstring("return "..data, "@stdin"); if not chunk then conn:error(err); return; end data = ""; setfenv(chunk, env); local ok, ret = pcall(chunk); if ok then data = ret else conn:error(ret); return; end end if data then conn:send(data); end if not opts.interactive then conn:close(); end end stdin = require "net.server".wrapclient(stdin, "stdin", 0, { onincoming = on_incoming, ondisconnect = function () end }, "*l"); else if not send_xml then send_xml = table.concat(args, " "); end conn:send(send_xml); conn:close(); end end local plugins = {}; for i=#args,1,-1 do if args[i]:sub(1,1) == "+" then table.insert(plugins, table.remove(args, i):sub(2)) end end return clix_connect(opts, on_connect, plugins); end