scansion: comparison verse.lua

-:48c77c05b9ba
+:fc435d567896
+package.preload['util.encodings']=(function(...)
+local function e()
+error("Function not implemented");
+end
+local t=require"mime";
+module"encodings"
+stringprep={};
+base64={encode=t.b64,decode=e};
+return _M;
+end)
+package.preload['util.hashes']=(function(...)
+local e=require"util.sha1";
+return{sha1=e.sha1};
+end)
+package.preload['util.sha1']=(function(...)
+local l=string.len
+local a=string.char
+local g=string.byte
+local q=string.sub
+local u=math.floor
+local t=require"bit"
+local j=t.bnot
+local e=t.band
+local y=t.bor
+local n=t.bxor
+local o=t.lshift
+local i=t.rshift
+local s,h,d,r,f
+local function p(e,t)
+return o(e,t)+i(e,32-t)
+end
+local function m(i)
+local t,o
+local t=""
+for n=1,8 do
+o=e(i,15)
+if(o<10)then
+t=a(o+48)..t
+else
+t=a(o+87)..t
+end
+i=u(i/16)
+end
+return t
+end
+local function b(t)
+local i,o
+local n=""
+i=l(t)*8
+t=t..a(128)
+o=56-e(l(t),63)
+if(o<0)then
+o=o+64
+end
+for e=1,o do
+t=t..a(0)
+end
+for t=1,8 do
+n=a(e(i,255))..n
+i=u(i/256)
+end
+return t..n
+end
+local function k(w)
+local u,t,a,o,m,l,c,v
+local i,i
+local i={}
+while(w~="")do
+for e=0,15 do
+i[e]=0
+for t=1,4 do
+i[e]=i[e]*256+g(w,e*4+t)
+end
+end
+for e=16,79 do
+i[e]=p(n(n(i[e-3],i[e-8]),n(i[e-14],i[e-16])),1)
+end
+u=s
+t=h
+a=d
+o=r
+m=f
+for h=0,79 do
+if(h<20)then
+l=y(e(t,a),e(j(t),o))
+c=1518500249
+elseif(h<40)then
+l=n(n(t,a),o)
+c=1859775393
+elseif(h<60)then
+l=y(y(e(t,a),e(t,o)),e(a,o))
+c=2400959708
+else
+l=n(n(t,a),o)
+c=3395469782
+end
+v=p(u,5)+l+m+c+i[h]
+m=o
+o=a
+a=p(t,30)
+t=u
+u=v
+end
+s=e(s+u,4294967295)
+h=e(h+t,4294967295)
+d=e(d+a,4294967295)
+r=e(r+o,4294967295)
+f=e(f+m,4294967295)
+w=q(w,65)
+end
+end
+local function a(e,t)
+e=b(e)
+s=1732584193
+h=4023233417
+d=2562383102
+r=271733878
+f=3285377520
+k(e)
+local e=m(s)..m(h)..m(d)
+..m(r)..m(f);
+if t then
+return e;
+else
+return(e:gsub("..",function(e)
+return string.char(tonumber(e,16));
+end));
+end
+end
+_G.sha1={sha1=a};
+return _G.sha1;
+end)
+package.preload['lib.adhoc']=(function(...)
+local n,h=require"util.stanza",require"util.uuid";
+local e="http://jabber.org/protocol/commands";
+local i={}
+local s={};
+function _cmdtag(i,o,t,a)
+local e=n.stanza("command",{xmlns=e,node=i.node,status=o});
+if t then e.attr.sessionid=t;end
+if a then e.attr.action=a;end
+return e;
+end
+function s.new(t,e,a,o)
+return{name=t,node=e,handler=a,cmdtag=_cmdtag,permission=(o or"user")};
+end
+function s.handle_cmd(a,s,o)
+local e=o.tags[1].attr.sessionid or h.generate();
+local t={};
+t.to=o.attr.to;
+t.from=o.attr.from;
+t.action=o.tags[1].attr.action or"execute";
+t.form=o.tags[1]:child_with_ns("jabber:x:data");
+local t,h=a:handler(t,i[e]);
+i[e]=h;
+local o=n.reply(o);
+if t.status=="completed"then
+i[e]=nil;
+cmdtag=a:cmdtag("completed",e);
+elseif t.status=="canceled"then
+i[e]=nil;
+cmdtag=a:cmdtag("canceled",e);
+elseif t.status=="error"then
+i[e]=nil;
+o=n.error_reply(o,t.error.type,t.error.condition,t.error.message);
+s.send(o);
+return true;
+else
+cmdtag=a:cmdtag("executing",e);
+end
+for t,e in pairs(t)do
+if t=="info"then
+cmdtag:tag("note",{type="info"}):text(e):up();
+elseif t=="warn"then
+cmdtag:tag("note",{type="warn"}):text(e):up();
+elseif t=="error"then
+cmdtag:tag("note",{type="error"}):text(e.message):up();
+elseif t=="actions"then
+local t=n.stanza("actions");
+for o,e in ipairs(e)do
+if(e=="prev")or(e=="next")or(e=="complete")then
+t:tag(e):up();
+else
+module:log("error",'Command "'..a.name..
+'" at node "'..a.node..'" provided an invalid action "'..e..'"');
+end
+end
+cmdtag:add_child(t);
+elseif t=="form"then
+cmdtag:add_child((e.layout or e):form(e.values));
+elseif t=="result"then
+cmdtag:add_child((e.layout or e):form(e.values,"result"));
+elseif t=="other"then
+cmdtag:add_child(e);
+end
+end
+o:add_child(cmdtag);
+s.send(o);
+return true;
+end
+return s;
+end)
+package.preload['util.stanza']=(function(...)
+local t=table.insert;
+local e=table.concat;
+local r=table.remove;
+local w=table.concat;
+local s=string.format;
+local y=string.match;
+local c=tostring;
+local m=setmetatable;
+local e=getmetatable;
+local i=pairs;
+local n=ipairs;
+local o=type;
+local e=next;
+local e=print;
+local e=unpack;
+local f=string.gsub;
+local e=string.char;
+local u=string.find;
+local e=os;
+local l=not e.getenv("WINDIR");
+local d,a;
+if l then
+local t,e=pcall(require,"util.termcolours");
+if t then
+d,a=e.getstyle,e.getstring;
+else
+l=nil;
+end
+end
+local p="urn:ietf:params:xml:ns:xmpp-stanzas";
+module"stanza"
+stanza_mt={__type="stanza"};
+stanza_mt.__index=stanza_mt;
+local e=stanza_mt;
+function stanza(t,a)
+local t={name=t,attr=a or{},tags={}};
+return m(t,e);
+end
+local h=stanza;
+function e:query(e)
+return self:tag("query",{xmlns=e});
+end
+function e:body(t,e)
+return self:tag("body",e):text(t);
+end
+function e:tag(a,e)
+local a=h(a,e);
+local e=self.last_add;
+if not e then e={};self.last_add=e;end
+(e[#e]or self):add_direct_child(a);
+t(e,a);
+return self;
+end
+function e:text(t)
+local e=self.last_add;
+(e and e[#e]or self):add_direct_child(t);
+return self;
+end
+function e:up()
+local e=self.last_add;
+if e then r(e);end
+return self;
+end
+function e:reset()
+self.last_add=nil;
+return self;
+end
+function e:add_direct_child(e)
+if o(e)=="table"then
+t(self.tags,e);
+end
+t(self,e);
+end
+function e:add_child(t)
+local e=self.last_add;
+(e and e[#e]or self):add_direct_child(t);
+return self;
+end
+function e:get_child(a,t)
+for o,e in n(self.tags)do
+if(not a or e.name==a)
+and((not t and self.attr.xmlns==e.attr.xmlns)
+or e.attr.xmlns==t)then
+return e;
+end
+end
+end
+function e:get_child_text(t,e)
+local e=self:get_child(t,e);
+if e then
+return e:get_text();
+end
+return nil;
+end
+function e:child_with_name(t)
+for a,e in n(self.tags)do
+if e.name==t then return e;end
+end
+end
+function e:child_with_ns(t)
+for a,e in n(self.tags)do
+if e.attr.xmlns==t then return e;end
+end
+end
+function e:children()
+local e=0;
+return function(t)
+e=e+1
+return t[e];
+end,self,e;
+end
+function e:childtags(i,e)
+e=e or self.attr.xmlns;
+local t=self.tags;
+local a,o=1,#t;
+return function()
+for o=a,o do
+local t=t[o];
+if(not i or t.name==i)
+and(not e or e==t.attr.xmlns)then
+a=o+1;
+return t;
+end
+end
+end;
+end
+function e:maptags(i)
+local a,t=self.tags,1;
+local n,o=#self,#a;
+local e=1;
+while t<=o do
+if self[e]==a[t]then
+local i=i(self[e]);
+if i==nil then
+r(self,e);
+r(a,t);
+n=n-1;
+o=o-1;
+else
+self[e]=i;
+a[e]=i;
+end
+e=e+1;
+t=t+1;
+end
+end
+return self;
+end
+local r
+do
+local e={["'"]="&apos;",["\""]="&quot;",["<"]="&lt;",[">"]="&gt;",["&"]="&amp;"};
+function r(t)return(f(t,"['&<>\"]",e));end
+_M.xml_escape=r;
+end
+local function f(o,e,h,a,r)
+local n=0;
+local s=o.name
+t(e,"<"..s);
+for o,i in i(o.attr)do
+if u(o,"\1",1,true)then
+local o,s=y(o,"^([^\1]*)\1?(.*)$");
+n=n+1;
+t(e," xmlns:ns"..n.."='"..a(o).."' ".."ns"..n..":"..s.."='"..a(i).."'");
+elseif not(o=="xmlns"and i==r)then
+t(e," "..o.."='"..a(i).."'");
+end
+end
+local i=#o;
+if i==0 then
+t(e,"/>");
+else
+t(e,">");
+for i=1,i do
+local i=o[i];
+if i.name then
+h(i,e,h,a,o.attr.xmlns);
+else
+t(e,a(i));
+end
+end
+t(e,"</"..s..">");
+end
+end
+function e.__tostring(t)
+local e={};
+f(t,e,f,r,nil);
+return w(e);
+end
+function e.top_tag(t)
+local e="";
+if t.attr then
+for t,a in i(t.attr)do if o(t)=="string"then e=e..s(" %s='%s'",t,r(c(a)));end end
+end
+return s("<%s%s>",t.name,e);
+end
+function e.get_text(e)
+if#e.tags==0 then
+return w(e);
+end
+end
+function e.get_error(a)
+local o,e,t;
+local a=a:get_child("error");
+if not a then
+return nil,nil,nil;
+end
+o=a.attr.type;
+for a in a:childtags()do
+if a.attr.xmlns==p then
+if not t and a.name=="text"then
+t=a:get_text();
+elseif not e then
+e=a.name;
+end
+if e and t then
+break;
+end
+end
+end
+return o,e or"undefined-condition",t;
+end
+function e.__add(t,e)
+return t:add_direct_child(e);
+end
+do
+local e=0;
+function new_id()
+e=e+1;
+return"lx"..e;
+end
+end
+function preserialize(a)
+local e={name=a.name,attr=a.attr};
+for i,a in n(a)do
+if o(a)=="table"then
+t(e,preserialize(a));
+else
+t(e,a);
+end
+end
+return e;
+end
+function deserialize(a)
+if a then
+local s=a.attr;
+for e=1,#s do s[e]=nil;end
+local h={};
+for e in i(s)do
+if u(e,"|",1,true)and not u(e,"\1",1,true)then
+local t,a=y(e,"^([^|]+)|(.+)$");
+h[t.."\1"..a]=s[e];
+s[e]=nil;
+end
+end
+for t,e in i(h)do
+s[t]=e;
+end
+m(a,e);
+for t,e in n(a)do
+if o(e)=="table"then
+deserialize(e);
+end
+end
+if not a.tags then
+local e={};
+for n,i in n(a)do
+if o(i)=="table"then
+t(e,i);
+end
+end
+a.tags=e;
+end
+end
+return a;
+end
+local function u(a)
+local o,n={},{};
+for t,e in i(a.attr)do o[t]=e;end
+local o={name=a.name,attr=o,tags=n};
+for e=1,#a do
+local e=a[e];
+if e.name then
+e=u(e);
+t(n,e);
+end
+t(o,e);
+end
+return m(o,e);
+end
+clone=u;
+function message(t,e)
+if not e then
+return h("message",t);
+else
+return h("message",t):tag("body"):text(e):up();
+end
+end
+function iq(e)
+if e and not e.id then e.id=new_id();end
+return h("iq",e or{id=new_id()});
+end
+function reply(e)
+return h(e.name,e.attr and{to=e.attr.from,from=e.attr.to,id=e.attr.id,type=((e.name=="iq"and"result")or e.attr.type)});
+end
+do
+local t={xmlns=p};
+function error_reply(e,i,o,a)
+local e=reply(e);
+e.attr.type="error";
+e:tag("error",{type=i})
+:tag(o,t):up();
+if(a)then e:tag("text",t):text(a):up();end
+return e;
+end
+end
+function presence(e)
+return h("presence",e);
+end
+if l then
+local u=d("yellow");
+local l=d("red");
+local h=d("red");
+local t=d("magenta");
+local d=" "..a(u,"%s")..a(t,"=")..a(l,"'%s'");
+local l=a(t,"<")..a(h,"%s").."%s"..a(t,">");
+local h=l.."%s"..a(t,"</")..a(h,"%s")..a(t,">");
+function e.pretty_print(e)
+local t="";
+for a,e in n(e)do
+if o(e)=="string"then
+t=t..r(e);
+else
+t=t..e:pretty_print();
+end
+end
+local a="";
+if e.attr then
+for e,t in i(e.attr)do if o(e)=="string"then a=a..s(d,e,c(t));end end
+end
+return s(h,e.name,a,t,e.name);
+end
+function e.pretty_top_tag(e)
+local t="";
+if e.attr then
+for e,a in i(e.attr)do if o(e)=="string"then t=t..s(d,e,c(a));end end
+end
+return s(l,e.name,t);
+end
+else
+e.pretty_print=e.__tostring;
+e.pretty_top_tag=e.top_tag;
+end
+return _M;
+end)
+package.preload['util.timer']=(function(...)
+local c=require"net.server".addtimer;
+local o=require"net.server".event;
+local l=require"net.server".event_base;
+local r=math.min
+local u=math.huge
+local d=require"socket".gettime;
+local s=table.insert;
+local e=table.remove;
+local e,n=ipairs,pairs;
+local h=type;
+local i={};
+local e={};
+module"timer"
+local t;
+if not o then
+function t(a,o)
+local i=d();
+a=a+i;
+if a>=i then
+s(e,{a,o});
+else
+local e=o();
+if e and h(e)=="number"then
+return t(e,o);
+end
+end
+end
+c(function()
+local o=d();
+if#e>0 then
+for a,t in n(e)do
+s(i,t);
+end
+e={};
+end
+local e=u;
+for d,a in n(i)do
+local n,s=a[1],a[2];
+if n<=o then
+i[d]=nil;
+local a=s(o);
+if h(a)=="number"then
+t(a,s);
+e=r(e,a);
+end
+else
+e=r(e,n-o);
+end
+end
+return e;
+end);
+else
+local o=(o.core and o.core.LEAVE)or-1;
+function t(a,t)
+local e;
+e=l:addevent(nil,0,function()
+local t=t();
+if t then
+return 0,t;
+elseif e then
+return o;
+end
+end
+,a);
+end
+end
+add_task=t;
+return _M;
+end)
+package.preload['util.termcolours']=(function(...)
+local a,n=table.concat,table.insert;
+local t,i=string.char,string.format;
+local h=ipairs;
+local s=io.write;
+local e;
+if os.getenv("WINDIR")then
+e=require"util.windows";
+end
+local o=e and e.get_consolecolor and e.get_consolecolor();
+module"termcolours"
+local r={
+reset=0;bright=1,dim=2,underscore=4,blink=5,reverse=7,hidden=8;
+black=30;red=31;green=32;yellow=33;blue=34;magenta=35;cyan=36;white=37;
+["black background"]=40;["red background"]=41;["green background"]=42;["yellow background"]=43;["blue background"]=44;["magenta background"]=45;["cyan background"]=46;["white background"]=47;
+bold=1,dark=2,underline=4,underlined=4,normal=0;
+}
+local d={
+["0"]=o,
+["1"]=7+8,
+["1;33"]=2+4+8,
+["1;31"]=4+8
+}
+local l=t(27).."[%sm%s"..t(27).."[0m";
+function getstring(e,t)
+if e then
+return i(l,e,t);
+else
+return t;
+end
+end
+function getstyle(...)
+local e,t={...},{};
+for a,e in h(e)do
+e=r[e];
+if e then
+n(t,e);
+end
+end
+return a(t,";");
+end
+local a="0";
+function setstyle(e)
+e=e or"0";
+if e~=a then
+s("\27["..e.."m");
+a=e;
+end
+end
+if e then
+function setstyle(t)
+t=t or"0";
+if t~=a then
+e.set_consolecolor(d[t]or o);
+a=t;
+end
+end
+if not o then
+function setstyle(e)end
+end
+end
+return _M;
+end)
+package.preload['util.uuid']=(function(...)
+local e=math.random;
+local i=tostring;
+local e=os.time;
+local a=os.clock;
+local n=require"util.hashes".sha1;
+module"uuid"
+local t=0;
+local function o()
+local e=e();
+if t>=e then e=t+1;end
+t=e;
+return e;
+end
+local function e(e)
+return n(e..a()..i({}),true);
+end
+local t=e(o());
+local function a(a)
+t=e(t..a);
+end
+local function e(e)
+if#t<e then a(o());end
+local a=t:sub(0,e);
+t=t:sub(e+1);
+return a;
+end
+local function t()
+return("%x"):format(e(1):byte()%4+8);
+end
+function generate()
+return e(8).."-"..e(4).."-4"..e(3).."-"..(t())..e(3).."-"..e(12);
+end
+seed=a;
+return _M;
+end)
+package.preload['net.dns']=(function(...)
+local s=require"socket";
+local q=require"util.timer";
+local e,b=pcall(require,"util.windows");
+local E=(e and b)or os.getenv("WINDIR");
+local c,z,y,a,n=
+coroutine,io,math,string,table;
+local p,h,o,m,r,v,x,k,t,e,j=
+ipairs,next,pairs,print,setmetatable,tostring,assert,error,unpack,select,type;
+local e={
+get=function(t,...)
+local a=e('#',...);
+for a=1,a do
+t=t[e(a,...)];
+if t==nil then break;end
+end
+return t;
+end;
+set=function(a,...)
+local i=e('#',...);
+local s,o=e(i-1,...);
+local t,n;
+for i=1,i-2 do
+local i=e(i,...)
+local e=a[i]
+if o==nil then
+if e==nil then
+return;
+elseif h(e,h(e))then
+t=nil;n=nil;
+elseif t==nil then
+t=a;n=i;
+end
+elseif e==nil then
+e={};
+a[i]=e;
+end
+a=e
+end
+if o==nil and t then
+t[n]=nil;
+else
+a[s]=o;
+return o;
+end
+end;
+};
+local d,l=e.get,e.set;
+local _=15;
+module('dns')
+local t=_M;
+local i=n.insert
+local function u(e)
+return(e-(e%256))/256;
+end
+local function w(e)
+local t={};
+for o,e in o(e)do
+t[o]=e;
+t[e]=e;
+t[a.lower(e)]=e;
+end
+return t;
+end
+local function f(i)
+local e={};
+for o,i in o(i)do
+local t=a.char(u(o),o%256);
+e[o]=t;
+e[i]=t;
+e[a.lower(i)]=t;
+end
+return e;
+end
+t.types={
+'A','NS','MD','MF','CNAME','SOA','MB','MG','MR','NULL','WKS',
+'PTR','HINFO','MINFO','MX','TXT',
+[28]='AAAA',[29]='LOC',[33]='SRV',
+[252]='AXFR',[253]='MAILB',[254]='MAILA',[255]='*'};
+t.classes={'IN','CS','CH','HS',[255]='*'};
+t.type=w(t.types);
+t.class=w(t.classes);
+t.typecode=f(t.types);
+t.classcode=f(t.classes);
+local function g(e,i,o)
+if a.byte(e,-1)~=46 then e=e..'.';end
+e=a.lower(e);
+return e,t.type[i or'A'],t.class[o or'IN'];
+end
+local function w(t,a,i)
+a=a or s.gettime();
+for o,e in o(t)do
+if e.tod then
+e.ttl=y.floor(e.tod-a);
+if e.ttl<=0 then
+n.remove(t,o);
+return w(t,a,i);
+end
+elseif i=='soft'then
+x(e.ttl==0);
+t[o]=nil;
+end
+end
+end
+local e={};
+e.__index=e;
+e.timeout=_;
+local function x(e)
+local e=e.type and e[e.type:lower()];
+if j(e)~="string"then
+return"<UNKNOWN RDATA TYPE>";
+end
+return e;
+end
+local f={
+LOC=e.LOC_tostring;
+MX=function(e)
+return a.format('%2i %s',e.pref,e.mx);
+end;
+SRV=function(e)
+local e=e.srv;
+return a.format('%5d %5d %5d %s',e.priority,e.weight,e.port,e.target);
+end;
+};
+local j={};
+function j.__tostring(e)
+local t=(f[e.type]or x)(e);
+return a.format('%2s %-5s %6i %-28s %s',e.class,e.type,e.ttl,e.name,t);
+end
+local x={};
+function x.__tostring(t)
+local e={};
+for a,t in o(t)do
+i(e,v(t)..'\n');
+end
+return n.concat(e);
+end
+local f={};
+function f.__tostring(t)
+local a=s.gettime();
+local e={};
+for n,t in o(t)do
+for n,t in o(t)do
+for o,t in o(t)do
+w(t,a);
+i(e,v(t));
+end
+end
+end
+return n.concat(e);
+end
+function e:new()
+local t={active={},cache={},unsorted={}};
+r(t,e);
+r(t.cache,f);
+r(t.unsorted,{__mode='kv'});
+return t;
+end
+function t.random(...)
+y.randomseed(y.floor(1e4*s.gettime()));
+t.random=y.random;
+return t.random(...);
+end
+local function y(e)
+e=e or{};
+e.id=e.id or t.random(0,65535);
+e.rd=e.rd or 1;
+e.tc=e.tc or 0;
+e.aa=e.aa or 0;
+e.opcode=e.opcode or 0;
+e.qr=e.qr or 0;
+e.rcode=e.rcode or 0;
+e.z=e.z or 0;
+e.ra=e.ra or 0;
+e.qdcount=e.qdcount or 1;
+e.ancount=e.ancount or 0;
+e.nscount=e.nscount or 0;
+e.arcount=e.arcount or 0;
+local t=a.char(
+u(e.id),e.id%256,
+e.rd+2*e.tc+4*e.aa+8*e.opcode+128*e.qr,
+e.rcode+16*e.z+128*e.ra,
+u(e.qdcount),e.qdcount%256,
+u(e.ancount),e.ancount%256,
+u(e.nscount),e.nscount%256,
+u(e.arcount),e.arcount%256
+);
+return t,e.id;
+end
+local function u(t)
+local e={};
+for t in a.gmatch(t,'[^.]+')do
+i(e,a.char(a.len(t)));
+i(e,t);
+end
+i(e,a.char(0));
+return n.concat(e);
+end
+local function _(a,e,o)
+a=u(a);
+e=t.typecode[e or'a'];
+o=t.classcode[o or'in'];
+return a..e..o;
+end
+function e:byte(e)
+e=e or 1;
+local t=self.offset;
+local o=t+e-1;
+if o>#self.packet then
+k(a.format('out of bounds: %i>%i',o,#self.packet));
+end
+self.offset=t+e;
+return a.byte(self.packet,t,o);
+end
+function e:word()
+local e,t=self:byte(2);
+return 256*e+t;
+end
+function e:dword()
+local a,o,t,e=self:byte(4);
+return 16777216*a+65536*o+256*t+e;
+end
+function e:sub(e)
+e=e or 1;
+local t=a.sub(self.packet,self.offset,self.offset+e-1);
+self.offset=self.offset+e;
+return t;
+end
+function e:header(t)
+local e=self:word();
+if not self.active[e]and not t then return nil;end
+local e={id=e};
+local t,a=self:byte(2);
+e.rd=t%2;
+e.tc=t/2%2;
+e.aa=t/4%2;
+e.opcode=t/8%16;
+e.qr=t/128;
+e.rcode=a%16;
+e.z=a/16%8;
+e.ra=a/128;
+e.qdcount=self:word();
+e.ancount=self:word();
+e.nscount=self:word();
+e.arcount=self:word();
+for a,t in o(e)do e[a]=t-t%1;end
+return e;
+end
+function e:name()
+local t,a=nil,0;
+local e=self:byte();
+local o={};
+while e>0 do
+if e>=192 then
+a=a+1;
+if a>=20 then k('dns error: 20 pointers');end;
+local e=((e-192)*256)+self:byte();
+t=t or self.offset;
+self.offset=e+1;
+else
+i(o,self:sub(e)..'.');
+end
+e=self:byte();
+end
+self.offset=t or self.offset;
+return n.concat(o);
+end
+function e:question()
+local e={};
+e.name=self:name();
+e.type=t.type[self:word()];
+e.class=t.class[self:word()];
+return e;
+end
+function e:A(i)
+local n,t,o,e=self:byte(4);
+i.a=a.format('%i.%i.%i.%i',n,t,o,e);
+end
+function e:AAAA(a)
+local e={};
+for t=1,a.rdlength,2 do
+local a,t=self:byte(2);
+n.insert(e,("%02x%02x"):format(a,t));
+end
+e=n.concat(e,":"):gsub("%f[%x]0+(%x)","%1");
+local t={};
+for e in e:gmatch(":[0:]+:")do
+n.insert(t,e)
+end
+if#t==0 then
+a.aaaa=e;
+return
+elseif#t>1 then
+n.sort(t,function(e,t)return#e>#t end);
+end
+a.aaaa=e:gsub(t[1],"::",1):gsub("^0::","::"):gsub("::0$","::");
+end
+function e:CNAME(e)
+e.cname=self:name();
+end
+function e:MX(e)
+e.pref=self:word();
+e.mx=self:name();
+end
+function e:LOC_nibble_power()
+local e=self:byte();
+return((e-(e%16))/16)*(10^(e%16));
+end
+function e:LOC(e)
+e.version=self:byte();
+if e.version==0 then
+e.loc=e.loc or{};
+e.loc.size=self:LOC_nibble_power();
+e.loc.horiz_pre=self:LOC_nibble_power();
+e.loc.vert_pre=self:LOC_nibble_power();
+e.loc.latitude=self:dword();
+e.loc.longitude=self:dword();
+e.loc.altitude=self:dword();
+end
+end
+local function u(e,i,t)
+e=e-2147483648;
+if e<0 then i=t;e=-e;end
+local n,t,o;
+o=e%6e4;
+e=(e-o)/6e4;
+t=e%60;
+n=(e-t)/60;
+return a.format('%3d %2d %2.3f %s',n,t,o/1e3,i);
+end
+function e.LOC_tostring(e)
+local t={};
+i(t,a.format(
+'%s    %s    %.2fm %.2fm %.2fm %.2fm',
+u(e.loc.latitude,'N','S'),
+u(e.loc.longitude,'E','W'),
+(e.loc.altitude-1e7)/100,
+e.loc.size/100,
+e.loc.horiz_pre/100,
+e.loc.vert_pre/100
+));
+return n.concat(t);
+end
+function e:NS(e)
+e.ns=self:name();
+end
+function e:SOA(e)
+end
+function e:SRV(e)
+e.srv={};
+e.srv.priority=self:word();
+e.srv.weight=self:word();
+e.srv.port=self:word();
+e.srv.target=self:name();
+end
+function e:PTR(e)
+e.ptr=self:name();
+end
+function e:TXT(e)
+e.txt=self:sub(self:byte());
+end
+function e:rr()
+local e={};
+r(e,j);
+e.name=self:name(self);
+e.type=t.type[self:word()]or e.type;
+e.class=t.class[self:word()]or e.class;
+e.ttl=65536*self:word()+self:word();
+e.rdlength=self:word();
+if e.ttl<=0 then
+e.tod=self.time+30;
+else
+e.tod=self.time+e.ttl;
+end
+local a=self.offset;
+local t=self[t.type[e.type]];
+if t then t(self,e);end
+self.offset=a;
+e.rdata=self:sub(e.rdlength);
+return e;
+end
+function e:rrs(t)
+local e={};
+for t=1,t do i(e,self:rr());end
+return e;
+end
+function e:decode(t,o)
+self.packet,self.offset=t,1;
+local t=self:header(o);
+if not t then return nil;end
+local t={header=t};
+t.question={};
+local n=self.offset;
+for e=1,t.header.qdcount do
+i(t.question,self:question());
+end
+t.question.raw=a.sub(self.packet,n,self.offset-1);
+if not o then
+if not self.active[t.header.id]or not self.active[t.header.id][t.question.raw]then
+return nil;
+end
+end
+t.answer=self:rrs(t.header.ancount);
+t.authority=self:rrs(t.header.nscount);
+t.additional=self:rrs(t.header.arcount);
+return t;
+end
+e.delays={1,3};
+function e:addnameserver(e)
+self.server=self.server or{};
+i(self.server,e);
+end
+function e:setnameserver(e)
+self.server={};
+self:addnameserver(e);
+end
+function e:adddefaultnameservers()
+if E then
+if b and b.get_nameservers then
+for t,e in p(b.get_nameservers())do
+self:addnameserver(e);
+end
+end
+if not self.server or#self.server==0 then
+self:addnameserver("208.67.222.222");
+self:addnameserver("208.67.220.220");
+end
+else
+local e=z.open("/etc/resolv.conf");
+if e then
+for e in e:lines()do
+e=e:gsub("#.*$","")
+:match('^%s*nameserver%s+(.*)%s*$');
+if e then
+e:gsub("%f[%d.](%d+%.%d+%.%d+%.%d+)%f[^%d.]",function(e)
+self:addnameserver(e)
+end);
+end
+end
+end
+if not self.server or#self.server==0 then
+self:addnameserver("127.0.0.1");
+end
+end
+end
+function e:getsocket(t)
+self.socket=self.socket or{};
+self.socketset=self.socketset or{};
+local e=self.socket[t];
+if e then return e;end
+local a;
+e,a=s.udp();
+if not e then
+return nil,a;
+end
+if self.socket_wrapper then e=self.socket_wrapper(e,self);end
+e:settimeout(0);
+e:setsockname('*',0);
+e:setpeername(self.server[t],53);
+self.socket[t]=e;
+self.socketset[e]=t;
+return e;
+end
+function e:voidsocket(e)
+if self.socket[e]then
+self.socketset[self.socket[e]]=nil;
+self.socket[e]=nil;
+elseif self.socketset[e]then
+self.socket[self.socketset[e]]=nil;
+self.socketset[e]=nil;
+end
+end
+function e:socket_wrapper_set(e)
+self.socket_wrapper=e;
+end
+function e:closeall()
+for t,e in p(self.socket)do
+self.socket[t]=nil;
+self.socketset[e]=nil;
+e:close();
+end
+end
+function e:remember(e,t)
+local o,n,a=g(e.name,e.type,e.class);
+if t~='*'then
+t=n;
+local t=d(self.cache,a,'*',o);
+if t then i(t,e);end
+end
+self.cache=self.cache or r({},f);
+local a=d(self.cache,a,t,o)or
+l(self.cache,a,t,o,r({},x));
+i(a,e);
+if t=='MX'then self.unsorted[a]=true;end
+end
+local function i(e,t)
+return(e.pref==t.pref)and(e.mx<t.mx)or(e.pref<t.pref);
+end
+function e:peek(a,t,o)
+a,t,o=g(a,t,o);
+local e=d(self.cache,o,t,a);
+if not e then return nil;end
+if w(e,s.gettime())and t=='*'or not h(e)then
+l(self.cache,o,t,a,nil);
+return nil;
+end
+if self.unsorted[e]then n.sort(e,i);end
+return e;
+end
+function e:purge(e)
+if e=='soft'then
+self.time=s.gettime();
+for t,e in o(self.cache or{})do
+for t,e in o(e)do
+for t,e in o(e)do
+w(e,self.time,'soft')
+end
+end
+end
+else self.cache=r({},f);end
+end
+function e:query(a,e,t)
+a,e,t=g(a,e,t)
+if not self.server then self:adddefaultnameservers();end
+local n=_(a,e,t);
+local o=self:peek(a,e,t);
+if o then return o;end
+local i,o=y();
+local i={
+packet=i..n,
+server=self.best_server,
+delay=1,
+retry=s.gettime()+self.delays[1]
+};
+self.active[o]=self.active[o]or{};
+self.active[o][n]=i;
+local n=c.running();
+if n then
+l(self.wanted,t,e,a,n,true);
+end
+local o,h=self:getsocket(i.server)
+if not o then
+return nil,h;
+end
+o:send(i.packet)
+if q and self.timeout then
+local r=#self.server;
+local s=1;
+q.add_task(self.timeout,function()
+if d(self.wanted,t,e,a,n)then
+if s<r then
+s=s+1;
+self:servfail(o);
+i.server=self.best_server;
+o,h=self:getsocket(i.server);
+if o then
+o:send(i.packet);
+return self.timeout;
+end
+end
+self:cancel(t,e,a,n,true);
+end
+end)
+end
+return true;
+end
+function e:servfail(e)
+local t=self.socketset[e]
+self:voidsocket(e);
+self.time=s.gettime();
+for e,a in o(self.active)do
+for o,e in o(a)do
+if e.server==t then
+e.server=e.server+1
+if e.server>#self.server then
+e.server=1;
+end
+e.retries=(e.retries or 0)+1;
+if e.retries>=#self.server then
+a[o]=nil;
+else
+local t=self:getsocket(e.server);
+if t then t:send(e.packet);end
+end
+end
+end
+end
+if t==self.best_server then
+self.best_server=self.best_server+1;
+if self.best_server>#self.server then
+self.best_server=1;
+end
+end
+end
+function e:settimeout(e)
+self.timeout=e;
+end
+function e:receive(t)
+self.time=s.gettime();
+t=t or self.socket;
+local e;
+for a,t in o(t)do
+if self.socketset[t]then
+local t=t:receive();
+if t then
+e=self:decode(t);
+if e and self.active[e.header.id]
+and self.active[e.header.id][e.question.raw]then
+for a,t in o(e.answer)do
+if t.name:sub(-#e.question[1].name,-1)==e.question[1].name then
+self:remember(t,e.question[1].type)
+end
+end
+local t=self.active[e.header.id];
+t[e.question.raw]=nil;
+if not h(t)then self.active[e.header.id]=nil;end
+if not h(self.active)then self:closeall();end
+local e=e.question[1];
+local t=d(self.wanted,e.class,e.type,e.name);
+if t then
+for t in o(t)do
+l(self.yielded,t,e.class,e.type,e.name,nil);
+if c.status(t)=="suspended"then c.resume(t);end
+end
+l(self.wanted,e.class,e.type,e.name,nil);
+end
+end
+end
+end
+end
+return e;
+end
+function e:feed(a,e,t)
+self.time=s.gettime();
+local e=self:decode(e,t);
+if e and self.active[e.header.id]
+and self.active[e.header.id][e.question.raw]then
+for a,t in o(e.answer)do
+self:remember(t,e.question[1].type);
+end
+local t=self.active[e.header.id];
+t[e.question.raw]=nil;
+if not h(t)then self.active[e.header.id]=nil;end
+if not h(self.active)then self:closeall();end
+local e=e.question[1];
+if e then
+local t=d(self.wanted,e.class,e.type,e.name);
+if t then
+for t in o(t)do
+l(self.yielded,t,e.class,e.type,e.name,nil);
+if c.status(t)=="suspended"then c.resume(t);end
+end
+l(self.wanted,e.class,e.type,e.name,nil);
+end
+end
+end
+return e;
+end
+function e:cancel(i,t,o,e,a)
+local t=d(self.wanted,i,t,o);
+if t then
+if a then
+c.resume(e);
+end
+t[e]=nil;
+end
+end
+function e:pulse()
+while self:receive()do end
+if not h(self.active)then return nil;end
+self.time=s.gettime();
+for i,t in o(self.active)do
+for a,e in o(t)do
+if self.time>=e.retry then
+e.server=e.server+1;
+if e.server>#self.server then
+e.server=1;
+e.delay=e.delay+1;
+end
+if e.delay>#self.delays then
+t[a]=nil;
+if not h(t)then self.active[i]=nil;end
+if not h(self.active)then return nil;end
+else
+local t=self.socket[e.server];
+if t then t:send(e.packet);end
+e.retry=self.time+self.delays[e.delay];
+end
+end
+end
+end
+if h(self.active)then return true;end
+return nil;
+end
+function e:lookup(o,a,t)
+self:query(o,a,t)
+while self:pulse()do
+local e={}
+for a,t in p(self.socket)do
+e[a]=t
+end
+s.select(e,nil,4)
+end
+return self:peek(o,a,t);
+end
+function e:lookupex(o,a,t,e)
+return self:peek(a,t,e)or self:query(a,t,e);
+end
+function e:tohostname(e)
+return t.lookup(e:gsub("(%d+)%.(%d+)%.(%d+)%.(%d+)","%4.%3.%2.%1.in-addr.arpa."),"PTR");
+end
+local i={
+qr={[0]='query','response'},
+opcode={[0]='query','inverse query','server status request'},
+aa={[0]='non-authoritative','authoritative'},
+tc={[0]='complete','truncated'},
+rd={[0]='recursion not desired','recursion desired'},
+ra={[0]='recursion not available','recursion available'},
+z={[0]='(reserved)'},
+rcode={[0]='no error','format error','server failure','name error','not implemented'},
+type=t.type,
+class=t.class
+};
+local function n(t,e)
+return(i[e]and i[e][t[e]])or'';
+end
+function e.print(t)
+for o,e in o{'id','qr','opcode','aa','tc','rd','ra','z',
+'rcode','qdcount','ancount','nscount','arcount'}do
+m(a.format('%-30s','header.'..e),t.header[e],n(t.header,e));
+end
+for t,e in p(t.question)do
+m(a.format('question[%i].name         ',t),e.name);
+m(a.format('question[%i].type         ',t),e.type);
+m(a.format('question[%i].class        ',t),e.class);
+end
+local h={name=1,type=1,class=1,ttl=1,rdlength=1,rdata=1};
+local e;
+for s,i in o({'answer','authority','additional'})do
+for s,t in o(t[i])do
+for h,o in o({'name','type','class','ttl','rdlength'})do
+e=a.format('%s[%i].%s',i,s,o);
+m(a.format('%-30s',e),t[o],n(t,o));
+end
+for t,o in o(t)do
+if not h[t]then
+e=a.format('%s[%i].%s',i,s,t);
+m(a.format('%-30s  %s',v(e),v(o)));
+end
+end
+end
+end
+end
+function t.resolver()
+local t={active={},cache={},unsorted={},wanted={},yielded={},best_server=1};
+r(t,e);
+r(t.cache,f);
+r(t.unsorted,{__mode='kv'});
+return t;
+end
+local e=t.resolver();
+t._resolver=e;
+function t.lookup(...)
+return e:lookup(...);
+end
+function t.tohostname(...)
+return e:tohostname(...);
+end
+function t.purge(...)
+return e:purge(...);
+end
+function t.peek(...)
+return e:peek(...);
+end
+function t.query(...)
+return e:query(...);
+end
+function t.feed(...)
+return e:feed(...);
+end
+function t.cancel(...)
+return e:cancel(...);
+end
+function t.settimeout(...)
+return e:settimeout(...);
+end
+function t.socket_wrapper_set(...)
+return e:socket_wrapper_set(...);
+end
+return t;
+end)
+package.preload['net.adns']=(function(...)
+local u=require"net.server";
+local o=require"net.dns";
+local e=require"util.logger".init("adns");
+local t,t=table.insert,table.remove;
+local a,s,l=coroutine,tostring,pcall;
+local function c(a,a,e,t)return(t-e)+1;end
+module"adns"
+function lookup(d,t,h,r)
+return a.wrap(function(i)
+if i then
+e("debug","Records for %s already cached, using those...",t);
+d(i);
+return;
+end
+e("debug","Records for %s not in cache, sending query (%s)...",t,s(a.running()));
+local n,i=o.query(t,h,r);
+if n then
+a.yield({r or"IN",h or"A",t,a.running()});
+e("debug","Reply for %s (%s)",t,s(a.running()));
+end
+if n then
+n,i=l(d,o.peek(t,h,r));
+else
+e("error","Error sending DNS query: %s",i);
+n,i=l(d,nil,i);
+end
+if not n then
+e("error","Error in DNS response handler: %s",s(i));
+end
+end)(o.peek(t,h,r));
+end
+function cancel(t,a,i)
+e("warn","Cancelling DNS lookup for %s",s(t[3]));
+o.cancel(t[1],t[2],t[3],t[4],a);
+end
+function new_async_socket(a,i)
+local s="<unknown>";
+local n={};
+local t={};
+function n.onincoming(a,e)
+if e then
+o.feed(t,e);
+end
+end
+function n.ondisconnect(o,a)
+if a then
+e("warn","DNS socket for %s disconnected: %s",s,a);
+local t=i.server;
+if i.socketset[o]==i.best_server and i.best_server==#t then
+e("error","Exhausted all %d configured DNS servers, next lookup will try %s again",#t,t[1]);
+end
+i:servfail(o);
+end
+end
+t=u.wrapclient(a,"dns",53,n);
+if not t then
+e("warn","handler is nil");
+end
+t.settimeout=function()end
+t.setsockname=function(e,...)return a:setsockname(...);end
+t.setpeername=function(o,...)s=(...);local e=a:setpeername(...);o:set_send(c);return e;end
+t.connect=function(e,...)return a:connect(...)end
+t.send=function(t,o)
+local t=a.getpeername;
+e("debug","Sending DNS query to %s",(t and t(a))or"<unconnected>");
+return a:send(o);
+end
+return t;
+end
+o.socket_wrapper_set(new_async_socket);
+return _M;
+end)
+package.preload['net.server']=(function(...)
+local s=function(e)
+return _G[e]
+end
+local ce=function(e)
+for t,a in pairs(e)do
+e[t]=nil
+end
+end
+local F,e=require("util.logger").init("socket"),table.concat;
+local i=function(...)return F("debug",e{...});end
+local de=function(...)return F("warn",e{...});end
+local e=collectgarbage
+local le=1
+local M=s"type"
+local N=s"pairs"
+local ue=s"ipairs"
+local v=s"tonumber"
+local l=s"tostring"
+local e=s"collectgarbage"
+local o=s"os"
+local a=s"table"
+local t=s"string"
+local e=s"coroutine"
+local W=o.difftime
+local Y=math.min
+local ae=math.huge
+local X=a.concat
+local a=a.remove
+local ne=t.len
+local be=t.sub
+local pe=e.wrap
+local ve=e.yield
+local k=s"ssl"
+local S=s"socket"or require"socket"
+local K=S.gettime
+local ye=(k and k.wrap)
+local we=S.bind
+local fe=S.sleep
+local me=S.select
+local e=(k and k.newcontext)
+local J
+local G
+local re
+local Q
+local B
+local he
+local f
+local se
+local ee
+local te
+local Z
+local P
+local h
+local oe
+local e
+local C
+local ie
+local p
+local d
+local U
+local r
+local n
+local I
+local b
+local w
+local m
+local a
+local o
+local g
+local H
+local R
+local _
+local T
+local V
+local u
+local O
+local A
+local E
+local z
+local x
+local L
+local D
+local q
+local j
+p={}
+d={}
+r={}
+U={}
+n={}
+b={}
+w={}
+I={}
+a=0
+o=0
+g=0
+H=0
+R=0
+_=1
+T=0
+O=51e3*1024
+A=25e3*1024
+E=12e5
+z=6e4
+x=6*60*60
+L=false
+q=1e3
+j=30
+te=function(m,t,y,u,p,f,c)
+c=c or q
+local s=0
+local w,e=m.onconnect,m.ondisconnect
+local v=t.accept
+local e={}
+e.shutdown=function()end
+e.ssl=function()
+return f~=nil
+end
+e.sslctx=function()
+return f
+end
+e.remove=function()
+s=s-1
+end
+e.close=function()
+for a,e in N(n)do
+if e.serverport==u then
+e.disconnect(e,"server closed")
+e:close(true)
+end
+end
+t:close()
+o=h(r,t,o)
+a=h(d,t,a)
+n[t]=nil
+e=nil
+t=nil
+i"server.lua: closed server handler and removed sockets from list"
+end
+e.ip=function()
+return y
+end
+e.serverport=function()
+return u
+end
+e.socket=function()
+return t
+end
+e.readbuffer=function()
+if s>c then
+i("server.lua: refused new client connection: server full")
+return false
+end
+local t,n=v(t)
+if t then
+local o,a=t:getpeername()
+t:settimeout(0)
+local e,n,t=C(e,m,t,o,u,a,p,f)
+if t then
+return false
+end
+s=s+1
+i("server.lua: accepted new client connection from ",l(o),":",l(a)," to ",l(u))
+if w then
+return w(e);
+end
+return;
+elseif n then
+i("server.lua: error with new client connection: ",l(n))
+return false
+end
+end
+return e
+end
+C=function(B,v,t,P,G,C,_,x)
+t:settimeout(0)
+local y
+local E
+local z
+local N
+local S=v.onincoming
+local D=v.onstatus
+local g=v.ondisconnect
+local W=v.ondrain
+local p={}
+local s=0
+local V
+local F
+local M
+local c=0
+local q=false
+local T=false
+local Y,U=0,0
+local O=O
+local A=A
+local e=p
+e.dispatch=function()
+return S
+end
+e.disconnect=function()
+return g
+end
+e.setlistener=function(a,t)
+S=t.onincoming
+g=t.ondisconnect
+D=t.onstatus
+W=t.ondrain
+end
+e.getstats=function()
+return U,Y
+end
+e.ssl=function()
+return N
+end
+e.sslctx=function()
+return x
+end
+e.send=function(n,o,i,a)
+return y(t,o,i,a)
+end
+e.receive=function(o,a)
+return E(t,o,a)
+end
+e.shutdown=function(a)
+return z(t,a)
+end
+e.setoption=function(i,a,o)
+if t.setoption then
+return t:setoption(a,o);
+end
+return false,"setoption not implemented";
+end
+e.close=function(u,l)
+if not e then return true;end
+a=h(d,t,a)
+b[e]=nil
+if s~=0 then
+if not(l or F)then
+e.sendbuffer()
+if s~=0 then
+if e then
+e.write=nil
+end
+V=true
+return false
+end
+else
+y(t,X(p,"",1,s),1,c)
+end
+end
+if t then
+m=z and z(t)
+t:close()
+o=h(r,t,o)
+n[t]=nil
+t=nil
+else
+i"server.lua: socket already closed"
+end
+if e then
+w[e]=nil
+I[e]=nil
+e=nil
+end
+if B then
+B.remove()
+end
+i"server.lua: closed client handler and removed socket from list"
+return true
+end
+e.ip=function()
+return P
+end
+e.serverport=function()
+return G
+end
+e.clientport=function()
+return C
+end
+local I=function(i,a)
+c=c+ne(a)
+if c>O then
+I[e]="send buffer exceeded"
+e.write=Q
+return false
+elseif t and not r[t]then
+o=f(r,t,o)
+end
+s=s+1
+p[s]=a
+if e then
+w[e]=w[e]or u
+end
+return true
+end
+e.write=I
+e.bufferqueue=function(t)
+return p
+end
+e.socket=function(a)
+return t
+end
+e.set_mode=function(a,t)
+_=t or _
+return _
+end
+e.set_send=function(a,t)
+y=t or y
+return y
+end
+e.bufferlen=function(o,a,t)
+O=t or O
+A=a or A
+return c,A,O
+end
+e.lock_read=function(i,o)
+if o==true then
+local o=a
+a=h(d,t,a)
+b[e]=nil
+if a~=o then
+q=true
+end
+elseif o==false then
+if q then
+q=false
+a=f(d,t,a)
+b[e]=u
+end
+end
+return q
+end
+e.pause=function(t)
+return t:lock_read(true);
+end
+e.resume=function(t)
+return t:lock_read(false);
+end
+e.lock=function(i,a)
+e.lock_read(a)
+if a==true then
+e.write=Q
+local a=o
+o=h(r,t,o)
+w[e]=nil
+if o~=a then
+T=true
+end
+elseif a==false then
+e.write=I
+if T then
+T=false
+I("")
+end
+end
+return q,T
+end
+local b=function()
+local o,t,a=E(t,_)
+if not t or(t=="wantread"or t=="timeout")then
+local a=o or a or""
+local o=ne(a)
+if o>A then
+g(e,"receive buffer exceeded")
+e:close(true)
+return false
+end
+local o=o*le
+U=U+o
+R=R+o
+b[e]=u
+return S(e,a,t)
+else
+i("server.lua: client ",l(P),":",l(C)," read error: ",l(t))
+F=true
+g(e,t)
+m=e and e:close()
+return false
+end
+end
+local w=function()
+local f,a,d,n,v;
+local v;
+if t then
+n=X(p,"",1,s)
+f,a,d=y(t,n,1,c)
+v=(f or d or 0)*le
+Y=Y+v
+H=H+v
+m=L and ce(p)
+else
+f,a,v=false,"closed",0;
+end
+if f then
+s=0
+c=0
+o=h(r,t,o)
+w[e]=nil
+if W then
+W(e)
+end
+m=M and e:starttls(nil)
+m=V and e:close()
+return true
+elseif d and(a=="timeout"or a=="wantwrite")then
+n=be(n,d+1,c)
+p[1]=n
+s=1
+c=c-d
+w[e]=u
+return true
+else
+i("server.lua: client ",l(P),":",l(C)," write error: ",l(a))
+F=true
+g(e,a)
+m=e and e:close()
+return false
+end
+end
+local u;
+function e.set_sslctx(y,t)
+x=t;
+local c,s
+u=pe(function(n)
+local t
+for l=1,j do
+o=(s and h(r,n,o))or o
+a=(c and h(d,n,a))or a
+c,s=nil,nil
+m,t=n:dohandshake()
+if not t then
+i("server.lua: ssl handshake done")
+e.readbuffer=b
+e.sendbuffer=w
+m=D and D(e,"ssl-handshake-complete")
+if y.autostart_ssl and v.onconnect then
+v.onconnect(y);
+end
+a=f(d,n,a)
+return true
+else
+if t=="wantwrite"then
+o=f(r,n,o)
+s=true
+elseif t=="wantread"then
+a=f(d,n,a)
+c=true
+else
+break;
+end
+t=nil;
+ve()
+end
+end
+i("server.lua: ssl handshake error: ",l(t or"handshake too long"))
+g(e,"ssl handshake failed")
+m=e and e:close(true)
+return false
+end
+)
+end
+if k then
+e.starttls=function(m,c)
+if c then
+e:set_sslctx(c);
+end
+if s>0 then
+i"server.lua: we need to do tls, but delaying until send buffer empty"
+M=true
+return
+end
+i("server.lua: attempting to start tls on "..l(t))
+local s,c=t
+t,c=ye(t,x)
+if not t then
+i("server.lua: error while starting tls on client: ",l(c or"unknown error"))
+return nil,c
+end
+t:settimeout(0)
+y=t.send
+E=t.receive
+z=J
+n[t]=e
+a=f(d,t,a)
+a=h(d,s,a)
+o=h(r,s,o)
+n[s]=nil
+e.starttls=nil
+M=nil
+N=true
+e.readbuffer=u
+e.sendbuffer=u
+u(t)
+end
+e.readbuffer=b
+e.sendbuffer=w
+if x then
+i"server.lua: auto-starting ssl negotiation..."
+e.autostart_ssl=true;
+e:starttls(x);
+end
+else
+e.readbuffer=b
+e.sendbuffer=w
+end
+y=t.send
+E=t.receive
+z=(N and J)or t.shutdown
+n[t]=e
+a=f(d,t,a)
+return e,t
+end
+J=function()
+end
+Q=function()
+return false
+end
+f=function(t,a,e)
+if not t[a]then
+e=e+1
+t[e]=a
+t[a]=e
+end
+return e;
+end
+h=function(e,o,t)
+local i=e[o]
+if i then
+e[o]=nil
+local a=e[t]
+e[t]=nil
+if a~=o then
+e[a]=i
+e[i]=a
+end
+return t-1
+end
+return t
+end
+P=function(e)
+o=h(r,e,o)
+a=h(d,e,a)
+n[e]=nil
+e:close()
+end
+local function c(a,t,o)
+local e;
+local i=t.sendbuffer;
+function t.sendbuffer()
+i();
+if e and t.bufferlen()<o then
+a:lock_read(false);
+e=nil;
+end
+end
+local i=a.readbuffer;
+function a.readbuffer()
+i();
+if not e and t.bufferlen()>=o then
+e=true;
+a:lock_read(true);
+end
+end
+end
+se=function(t,e,r,l,h)
+local o
+if M(r)~="table"then
+o="invalid listener table"
+end
+if M(e)~="number"or not(e>=0 and e<=65535)then
+o="invalid port"
+elseif p[t..":"..e]then
+o="listeners on '["..t.."]:"..e.."' already exist"
+elseif h and not k then
+o="luasec not found"
+end
+if o then
+de("server.lua, [",t,"]:",e,": ",o)
+return nil,o
+end
+t=t or"*"
+local o,s=we(t,e)
+if s then
+de("server.lua, [",t,"]:",e,": ",s)
+return nil,s
+end
+local s,r=te(r,o,t,e,l,h,q)
+if not s then
+o:close()
+return nil,r
+end
+o:settimeout(0)
+a=f(d,o,a)
+p[t..":"..e]=s
+n[o]=s
+i("server.lua: new "..(h and"ssl "or"").."server listener on '[",t,"]:",e,"'")
+return s
+end
+ee=function(e,t)
+return p[e..":"..t];
+end
+oe=function(e,t)
+local a=p[e..":"..t]
+if not a then
+return nil,"no server found on '["..e.."]:"..l(t).."'"
+end
+a:close()
+p[e..":"..t]=nil
+return true
+end
+he=function()
+for e,t in N(n)do
+t:close()
+n[e]=nil
+end
+a=0
+o=0
+g=0
+p={}
+d={}
+r={}
+U={}
+n={}
+end
+Z=function()
+return _,T,O,A,E,z,x,L,q,j
+end
+ie=function(e)
+if M(e)~="table"then
+return nil,"invalid settings table"
+end
+_=v(e.timeout)or _
+T=v(e.sleeptime)or T
+O=v(e.maxsendlen)or O
+A=v(e.maxreadlen)or A
+E=v(e.checkinterval)or E
+z=v(e.sendtimeout)or z
+x=v(e.readtimeout)or x
+L=e.cleanqueue
+q=e._maxclientsperserver or q
+j=e._maxsslhandshake or j
+return true
+end
+B=function(e)
+if M(e)~="function"then
+return nil,"invalid listener function"
+end
+g=g+1
+U[g]=e
+return true
+end
+re=function()
+return R,H,a,o,g
+end
+local t;
+local function y(e)
+t=not not e;
+end
+G=function(a)
+if t then return"quitting";end
+if a then t="once";end
+local e=ae;
+repeat
+local a,o,s=me(d,r,Y(_,e))
+for t,e in ue(o)do
+local t=n[e]
+if t then
+t.sendbuffer()
+else
+P(e)
+i"server.lua: found no handler and closed socket (writelist)"
+end
+end
+for e,t in ue(a)do
+local e=n[t]
+if e then
+e.readbuffer()
+else
+P(t)
+i"server.lua: found no handler and closed socket (readlist)"
+end
+end
+for e,t in N(I)do
+e.disconnect()(e,t)
+e:close(true)
+end
+ce(I)
+u=K()
+if u-D>=Y(e,1)then
+e=ae;
+for t=1,g do
+local t=U[t](u)
+if t then e=Y(e,t);end
+end
+D=u
+else
+e=e-(u-D);
+end
+fe(T)
+until t;
+if a and t=="once"then t=nil;return;end
+return"quitting"
+end
+local function l()
+return G(true);
+end
+local function p()
+return"select";
+end
+local i=function(t,d,s,a,e,i)
+local e=C(nil,a,t,d,s,"clientport",e,i)
+n[t]=e
+if not i then
+o=f(r,t,o)
+if a.onconnect then
+local i=e.sendbuffer;
+e.sendbuffer=function()
+o=h(r,t,o);
+e.sendbuffer=i;
+a.onconnect(e);
+if#e:bufferqueue()>0 then
+return i();
+end
+end
+end
+end
+return e,t
+end
+local t=function(o,a,n,h,r)
+local e,t=S.tcp()
+if t then
+return nil,t
+end
+e:settimeout(0)
+m,t=e:connect(o,a)
+if t then
+local e=i(e,o,a,n)
+else
+C(nil,n,e,o,a,"clientport",h,r)
+end
+end
+s"setmetatable"(n,{__mode="k"})
+s"setmetatable"(b,{__mode="k"})
+s"setmetatable"(w,{__mode="k"})
+D=K()
+V=K()
+B(function()
+local e=W(u-V)
+if e>E then
+V=u
+for e,t in N(w)do
+if W(u-t)>z then
+e.disconnect()(e,"send timeout")
+e:close(true)
+end
+end
+for e,t in N(b)do
+if W(u-t)>x then
+e.disconnect()(e,"read timeout")
+e:close()
+end
+end
+end
+end
+)
+local function a(e)
+local t=F;
+if e then
+F=e;
+end
+return t;
+end
+return{
+addclient=t,
+wrapclient=i,
+loop=G,
+link=c,
+step=l,
+stats=re,
+closeall=he,
+addtimer=B,
+addserver=se,
+getserver=ee,
+setlogger=a,
+getsettings=Z,
+setquitting=y,
+removeserver=oe,
+get_backend=p,
+changesettings=ie,
+}
+end)
+package.preload['util.xmppstream']=(function(...)
+local e=require"lxp";
+local t=require"util.stanza";
+local w=t.stanza_mt;
+local a=tostring;
+local h=table.insert;
+local f=table.concat;
+local g=table.remove;
+local y=setmetatable;
+local u=require"util.logger".init("xmppstream");
+local b=pcall(e.new,{StartDoctypeDecl=false});
+if not b then
+u("warn","The version of LuaExpat on your system leaves Prosody "
+.."vulnerable to denial-of-service attacks. You should upgrade to "
+.."LuaExpat 1.1.1 or higher as soon as possible. See "
+.."http://prosody.im/doc/depends#luaexpat for more information.");
+end
+local v=error;
+module"xmppstream"
+local p=e.new;
+local k={
+["http://www.w3.org/XML/1998/namespace"]="xml";
+};
+local o="http://etherx.jabber.org/streams";
+local s="\1";
+local l="^([^"..s.."]*)"..s.."?(.*)$";
+_M.ns_separator=s;
+_M.ns_pattern=l;
+function new_sax_handlers(t,e)
+local i={};
+local p=t.log or u;
+local m=e.streamopened;
+local c=e.streamclosed;
+local r=e.error or function(t,e)v("XML stream error: "..a(e));end;
+local j=e.handlestanza;
+local a=e.stream_ns or o;
+local d=e.stream_tag or"stream";
+if a~=""then
+d=a..s..d;
+end
+local q=a..s..(e.error_tag or"error");
+local x=e.default_ns;
+local s={};
+local o,e={};
+local n=0;
+function i:StartElement(u,a)
+if e and#o>0 then
+h(e,f(o));
+o={};
+end
+local i,o=u:match(l);
+if o==""then
+i,o="",i;
+end
+if i~=x or n>0 then
+a.xmlns=i;
+n=n+1;
+end
+for e=1,#a do
+local t=a[e];
+a[e]=nil;
+local e,o=t:match(l);
+if o~=""then
+e=k[e];
+if e then
+a[e..":"..o]=a[t];
+a[t]=nil;
+end
+end
+end
+if not e then
+if t.notopen then
+if u==d then
+n=0;
+if m then
+m(t,a);
+end
+else
+r(t,"no-stream");
+end
+return;
+end
+if i=="jabber:client"and o~="iq"and o~="presence"and o~="message"then
+r(t,"invalid-top-level-element");
+end
+e=y({name=o,attr=a,tags={}},w);
+else
+h(s,e);
+local t=e;
+e=y({name=o,attr=a,tags={}},w);
+h(t,e);
+h(t.tags,e);
+end
+end
+function i:CharacterData(t)
+if e then
+h(o,t);
+end
+end
+function i:EndElement(a)
+if n>0 then
+n=n-1;
+end
+if e then
+if#o>0 then
+h(e,f(o));
+o={};
+end
+if#s==0 then
+if a~=q then
+j(t,e);
+else
+r(t,"stream-error",e);
+end
+e=nil;
+else
+e=g(s);
+end
+else
+if a==d then
+if c then
+c(t);
+end
+else
+local a,e=a:match(l);
+if e==""then
+a,e="",a;
+end
+r(t,"parse-error","unexpected-element-close",e);
+end
+e,o=nil,{};
+s={};
+end
+end
+local function a(e)
+r(t,"parse-error","restricted-xml","Restricted XML, see RFC 6120 section 11.1.");
+if not e.stop or not e:stop()then
+v("Failed to abort parsing");
+end
+end
+if b then
+i.StartDoctypeDecl=a;
+end
+i.Comment=a;
+i.ProcessingInstruction=a;
+local function n()
+e,o=nil,{};
+s={};
+end
+local function a(a,e)
+t=e;
+p=e.log or u;
+end
+return i,{reset=n,set_session=a};
+end
+function new(t,e)
+local t,o=new_sax_handlers(t,e);
+local e=p(t,s);
+local a=e.parse;
+return{
+reset=function()
+e=p(t,s);
+a=e.parse;
+o.reset();
+end,
+feed=function(o,t)
+return a(e,t);
+end,
+set_session=o.set_session;
+};
+end
+return _M;
+end)
+package.preload['util.jid']=(function(...)
+local a=string.match;
+local h=require"util.encodings".stringprep.nodeprep;
+local r=require"util.encodings".stringprep.nameprep;
+local d=require"util.encodings".stringprep.resourceprep;
+local n={
+[" "]="\\20";['"']="\\22";
+["&"]="\\26";["'"]="\\27";
+["/"]="\\2f";[":"]="\\3a";
+["<"]="\\3c";[">"]="\\3e";
+["@"]="\\40";["\\"]="\\5c";
+};
+local s={};
+for e,t in pairs(n)do s[t]=e;end
+module"jid"
+local function t(e)
+if not e then return;end
+local i,t=a(e,"^([^@/]+)@()");
+local t,o=a(e,"^([^@/]+)()",t)
+if i and not t then return nil,nil,nil;end
+local a=a(e,"^/(.+)$",o);
+if(not t)or((not a)and#e>=o)then return nil,nil,nil;end
+return i,t,a;
+end
+split=t;
+function bare(e)
+local t,e=t(e);
+if t and e then
+return t.."@"..e;
+end
+return e;
+end
+local function o(e)
+local t,a,e=t(e);
+if a then
+a=r(a);
+if not a then return;end
+if t then
+t=h(t);
+if not t then return;end
+end
+if e then
+e=d(e);
+if not e then return;end
+end
+return t,a,e;
+end
+end
+prepped_split=o;
+function prep(e)
+local a,e,t=o(e);
+if e then
+if a then
+e=a.."@"..e;
+end
+if t then
+e=e.."/"..t;
+end
+end
+return e;
+end
+function join(a,e,t)
+if a and e and t then
+return a.."@"..e.."/"..t;
+elseif a and e then
+return a.."@"..e;
+elseif e and t then
+return e.."/"..t;
+elseif e then
+return e;
+end
+return nil;
+end
+function compare(e,a)
+local i,o,n=t(e);
+local a,e,t=t(a);
+if((a~=nil and a==i)or a==nil)and
+((e~=nil and e==o)or e==nil)and
+((t~=nil and t==n)or t==nil)then
+return true
+end
+return false
+end
+function escape(e)return e and(e:gsub(".",n));end
+function unescape(e)return e and(e:gsub("\\%x%x",s));end
+return _M;
+end)
+package.preload['util.events']=(function(...)
+local i=pairs;
+local h=table.insert;
+local s=table.sort;
+local r=setmetatable;
+local n=next;
+module"events"
+function new()
+local t={};
+local e={};
+local function o(o,a)
+local e=e[a];
+if not e or n(e)==nil then return;end
+local t={};
+for e in i(e)do
+h(t,e);
+end
+s(t,function(a,t)return e[a]>e[t];end);
+o[a]=t;
+return t;
+end;
+r(t,{__index=o});
+local function h(o,n,i)
+local a=e[o];
+if a then
+a[n]=i or 0;
+else
+a={[n]=i or 0};
+e[o]=a;
+end
+t[o]=nil;
+end;
+local function s(a,i)
+local o=e[a];
+if o then
+o[i]=nil;
+t[a]=nil;
+if n(o)==nil then
+e[a]=nil;
+end
+end
+end;
+local function o(e)
+for t,e in i(e)do
+h(t,e);
+end
+end;
+local function n(e)
+for e,t in i(e)do
+s(e,t);
+end
+end;
+local function a(e,...)
+local e=t[e];
+if e then
+for t=1,#e do
+local e=e[t](...);
+if e~=nil then return e;end
+end
+end
+end;
+return{
+add_handler=h;
+remove_handler=s;
+add_handlers=o;
+remove_handlers=n;
+fire_event=a;
+_handlers=t;
+_event_map=e;
+};
+end
+return _M;
+end)
+package.preload['util.dataforms']=(function(...)
+local e=setmetatable;
+local t,i=pairs,ipairs;
+local n,s,l=tostring,type,next;
+local h=table.concat;
+local u=require"util.stanza";
+local d=require"util.jid".prep;
+module"dataforms"
+local c='jabber:x:data';
+local r={};
+local t={__index=r};
+function new(a)
+return e(a,t);
+end
+function from_stanza(e)
+local o={
+title=e:get_child_text("title");
+instructions=e:get_child_text("instructions");
+};
+for e in e:childtags("field")do
+local a={
+name=e.attr.var;
+label=e.attr.label;
+type=e.attr.type;
+required=e:get_child("required")and true or nil;
+value=e:get_child_text("value");
+};
+o[#o+1]=a;
+if a.type then
+local t={};
+if a.type:match"list%-"then
+for e in e:childtags("option")do
+t[#t+1]={label=e.attr.label,value=e:get_child_text("value")};
+end
+for e in e:childtags("value")do
+t[#t+1]={label=e.attr.label,value=e:get_text(),default=true};
+end
+elseif a.type:match"%-multi"then
+for e in e:childtags("value")do
+t[#t+1]=e.attr.label and{label=e.attr.label,value=e:get_text()}or e:get_text();
+end
+if a.type=="text-multi"then
+a.value=h(t,"\n");
+else
+a.value=t;
+end
+end
+end
+end
+return new(o);
+end
+function r.form(t,a,e)
+local e=u.stanza("x",{xmlns=c,type=e or"form"});
+if t.title then
+e:tag("title"):text(t.title):up();
+end
+if t.instructions then
+e:tag("instructions"):text(t.instructions):up();
+end
+for t,o in i(t)do
+local t=o.type or"text-single";
+e:tag("field",{type=t,var=o.name,label=o.label});
+local a=(a and a[o.name])or o.value;
+if a then
+if t=="hidden"then
+if s(a)=="table"then
+e:tag("value")
+:add_child(a)
+:up();
+else
+e:tag("value"):text(n(a)):up();
+end
+elseif t=="boolean"then
+e:tag("value"):text((a and"1")or"0"):up();
+elseif t=="fixed"then
+elseif t=="jid-multi"then
+for a,t in i(a)do
+e:tag("value"):text(t):up();
+end
+elseif t=="jid-single"then
+e:tag("value"):text(a):up();
+elseif t=="text-single"or t=="text-private"then
+e:tag("value"):text(a):up();
+elseif t=="text-multi"then
+for t in a:gmatch("([^\r\n]+)\r?\n*")do
+e:tag("value"):text(t):up();
+end
+elseif t=="list-single"then
+local o=false;
+for a,t in i(a)do
+if s(t)=="table"then
+e:tag("option",{label=t.label}):tag("value"):text(t.value):up():up();
+if t.default and(not o)then
+e:tag("value"):text(t.value):up();
+o=true;
+end
+else
+e:tag("option",{label=t}):tag("value"):text(n(t)):up():up();
+end
+end
+elseif t=="list-multi"then
+for a,t in i(a)do
+if s(t)=="table"then
+e:tag("option",{label=t.label}):tag("value"):text(t.value):up():up();
+if t.default then
+e:tag("value"):text(t.value):up();
+end
+else
+e:tag("option",{label=t}):tag("value"):text(n(t)):up():up();
+end
+end
+end
+end
+if o.required then
+e:tag("required"):up();
+end
+e:up();
+end
+return e;
+end
+local e={};
+function r.data(t,s)
+local n={};
+local a={};
+for o,t in i(t)do
+local o;
+for e in s:childtags()do
+if t.name==e.attr.var then
+o=e;
+break;
+end
+end
+if not o then
+if t.required then
+a[t.name]="Required value missing";
+end
+else
+local e=e[t.type];
+if e then
+n[t.name],a[t.name]=e(o,t.required);
+end
+end
+end
+if l(a)then
+return n,a;
+end
+return n;
+end
+e["text-single"]=
+function(t,a)
+local t=t:get_child_text("value");
+if t and#t>0 then
+return t
+elseif a then
+return nil,"Required value missing";
+end
+end
+e["text-private"]=
+e["text-single"];
+e["jid-single"]=
+function(t,o)
+local a=t:get_child_text("value")
+local t=d(a);
+if t and#t>0 then
+return t
+elseif a then
+return nil,"Invalid JID: "..a;
+elseif o then
+return nil,"Required value missing";
+end
+end
+e["jid-multi"]=
+function(o,i)
+local a={};
+local t={};
+for e in o:childtags("value")do
+local e=e:get_text();
+local o=d(e);
+a[#a+1]=o;
+if e and not o then
+t[#t+1]=("Invalid JID: "..e);
+end
+end
+if#a>0 then
+return a,(#t>0 and h(t,"\n")or nil);
+elseif i then
+return nil,"Required value missing";
+end
+end
+e["list-multi"]=
+function(a,o)
+local t={};
+for e in a:childtags("value")do
+t[#t+1]=e:get_text();
+end
+return t,(o and#t==0 and"Required value missing"or nil);
+end
+e["text-multi"]=
+function(t,a)
+local t,a=e["list-multi"](t,a);
+if t then
+t=h(t,"\n");
+end
+return t,a;
+end
+e["list-single"]=
+e["text-single"];
+local a={
+["1"]=true,["true"]=true,
+["0"]=false,["false"]=false,
+};
+e["boolean"]=
+function(t,o)
+local t=t:get_child_text("value");
+local a=a[t~=nil and t];
+if a~=nil then
+return a;
+elseif t then
+return nil,"Invalid boolean representation";
+elseif o then
+return nil,"Required value missing";
+end
+end
+e["hidden"]=
+function(e)
+return e:get_child_text("value");
+end
+return _M;
+end)
+package.preload['util.caps']=(function(...)
+local l=require"util.encodings".base64.encode;
+local d=require"util.hashes".sha1;
+local n,h,s=table.insert,table.sort,table.concat;
+local r=ipairs;
+module"caps"
+function calculate_hash(e)
+local a,o,i={},{},{};
+for t,e in r(e)do
+if e.name=="identity"then
+n(a,(e.attr.category or"").."\0"..(e.attr.type or"").."\0"..(e.attr["xml:lang"]or"").."\0"..(e.attr.name or""));
+elseif e.name=="feature"then
+n(o,e.attr.var or"");
+elseif e.name=="x"and e.attr.xmlns=="jabber:x:data"then
+local t={};
+local o;
+for a,e in r(e.tags)do
+if e.name=="field"and e.attr.var then
+local a={};
+for t,e in r(e.tags)do
+e=#e.tags==0 and e:get_text();
+if e then n(a,e);end
+end
+h(a);
+if e.attr.var=="FORM_TYPE"then
+o=a[1];
+elseif#a>0 then
+n(t,e.attr.var.."\0"..s(a,"<"));
+else
+n(t,e.attr.var);
+end
+end
+end
+h(t);
+t=s(t,"<");
+if o then t=o.."\0"..t;end
+n(i,t);
+end
+end
+h(a);
+h(o);
+h(i);
+if#a>0 then a=s(a,"<"):gsub("%z","/").."<";else a="";end
+if#o>0 then o=s(o,"<").."<";else o="";end
+if#i>0 then i=s(i,"<"):gsub("%z","<").."<";else i="";end
+local e=a..o..i;
+local t=l(d(e));
+return t,e;
+end
+return _M;
+end)
+package.preload['util.vcard']=(function(...)
+local o=require"util.stanza";
+local a,u=table.insert,table.concat;
+local h=type;
+local e,r,f=next,pairs,ipairs;
+local m,c,d,l;
+local w="\n";
+local i;
+local function e()
+error"Not implemented"
+end
+local function e()
+error"Not implemented"
+end
+local function y(e)
+return e:gsub("[,:;\\]","\\%1"):gsub("\n","\\n");
+end
+local function s(e)
+return e:gsub("\\?[\\nt:;,]",{
+["\\\\"]="\\",
+["\\n"]="\n",
+["\\r"]="\r",
+["\\t"]="\t",
+["\\:"]=":",
+["\\;"]=";",
+["\\,"]=",",
+[":"]="\29",
+[";"]="\30",
+[","]="\31",
+});
+end
+local function p(e)
+local a=o.stanza(e.name,{xmlns="vcard-temp"});
+local t=i[e.name];
+if t=="text"then
+a:text(e[1]);
+elseif h(t)=="table"then
+if t.types and e.TYPE then
+if h(e.TYPE)=="table"then
+for o,t in r(t.types)do
+for o,e in r(e.TYPE)do
+if e:upper()==t then
+a:tag(t):up();
+break;
+end
+end
+end
+else
+a:tag(e.TYPE:upper()):up();
+end
+end
+if t.props then
+for o,t in r(t.props)do
+if e[t]then
+a:tag(t):up();
+end
+end
+end
+if t.value then
+a:tag(t.value):text(e[1]):up();
+elseif t.values then
+local o=t.values;
+local i=o.behaviour=="repeat-last"and o[#o];
+for o=1,#e do
+a:tag(t.values[o]or i):text(e[o]):up();
+end
+end
+end
+return a;
+end
+local function n(t)
+local e=o.stanza("vCard",{xmlns="vcard-temp"});
+for a=1,#t do
+e:add_child(p(t[a]));
+end
+return e;
+end
+function l(e)
+if not e[1]or e[1].name then
+return n(e)
+else
+local t=o.stanza("xCard",{xmlns="vcard-temp"});
+for a=1,#e do
+t:add_child(n(e[a]));
+end
+return t;
+end
+end
+function m(t)
+t=t
+:gsub("\r\n","\n")
+:gsub("\n ","")
+:gsub("\n\n+","\n");
+local h={};
+local e;
+for t in t:gmatch("[^\n]+")do
+local t=s(t);
+local s,t,n=t:match("^([-%a]+)(\30?[^\29]*)\29(.*)$");
+n=n:gsub("\29",":");
+if#t>0 then
+local a={};
+for e,i,o in t:gmatch("\30([^=]+)(=?)([^\30]*)")do
+e=e:upper();
+local t={};
+for e in o:gmatch("[^\31]+")do
+t[#t+1]=e
+t[e]=true;
+end
+if i=="="then
+a[e]=t;
+else
+a[e]=true;
+end
+end
+t=a;
+end
+if s=="BEGIN"and n=="VCARD"then
+e={};
+h[#h+1]=e;
+elseif s=="END"and n=="VCARD"then
+e=nil;
+elseif e and i[s]then
+local o=i[s];
+local i={name=s};
+e[#e+1]=i;
+local s=e;
+e=i;
+if o.types then
+for o,a in f(o.types)do
+local a=a:lower();
+if(t.TYPE and t.TYPE[a]==true)
+or t[a]==true then
+e.TYPE=a;
+end
+end
+end
+if o.props then
+for o,a in f(o.props)do
+if t[a]then
+if t[a]==true then
+e[a]=true;
+else
+for o,t in f(t[a])do
+e[a]=t;
+end
+end
+end
+end
+end
+if o=="text"or o.value then
+a(e,n);
+elseif o.values then
+local t="\30"..n;
+for t in t:gmatch("\30([^\30]*)")do
+a(e,t);
+end
+end
+e=s;
+end
+end
+return h;
+end
+local function o(e)
+local t={};
+for a=1,#e do
+t[a]=y(e[a]);
+end
+t=u(t,";");
+local a="";
+for e,t in r(e)do
+if h(e)=="string"and e~="name"then
+a=a..(";%s=%s"):format(e,h(t)=="table"and u(t,",")or t);
+end
+end
+return("%s%s:%s"):format(e.name,a,t)
+end
+local function t(t)
+local e={};
+a(e,"BEGIN:VCARD")
+for i=1,#t do
+a(e,o(t[i]));
+end
+a(e,"END:VCARD")
+return u(e,w);
+end
+function c(e)
+if e[1]and e[1].name then
+return t(e)
+else
+local a={};
+for o=1,#e do
+a[o]=t(e[o]);
+end
+return u(a,w);
+end
+end
+local function n(o)
+local e=o.name;
+local t=i[e];
+local e={name=e};
+if t=="text"then
+e[1]=o:get_text();
+elseif h(t)=="table"then
+if t.value then
+e[1]=o:get_child_text(t.value)or"";
+elseif t.values then
+local t=t.values;
+if t.behaviour=="repeat-last"then
+for t=1,#o.tags do
+a(e,o.tags[t]:get_text()or"");
+end
+else
+for i=1,#t do
+a(e,o:get_child_text(t[i])or"");
+end
+end
+elseif t.names then
+local t=t.names;
+for a=1,#t do
+if o:get_child(t[a])then
+e[1]=t[a];
+break;
+end
+end
+end
+if t.props_verbatim then
+for t,a in r(t.props_verbatim)do
+e[t]=a;
+end
+end
+if t.types then
+local t=t.types;
+e.TYPE={};
+for i=1,#t do
+if o:get_child(t[i])then
+a(e.TYPE,t[i]:lower());
+end
+end
+if#e.TYPE==0 then
+e.TYPE=nil;
+end
+end
+if t.props then
+local t=t.props;
+for i=1,#t do
+local t=t[i]
+local o=o:get_child_text(t);
+if o then
+e[t]=e[t]or{};
+a(e[t],o);
+end
+end
+end
+else
+return nil
+end
+return e;
+end
+local function o(e)
+local t=e.tags;
+local e={};
+for o=1,#t do
+a(e,n(t[o]));
+end
+return e
+end
+function d(e)
+if e.attr.xmlns~="vcard-temp"then
+return nil,"wrong-xmlns";
+end
+if e.name=="xCard"then
+local t={};
+local e=e.tags;
+for a=1,#e do
+t[a]=o(e[a]);
+end
+return t
+elseif e.name=="vCard"then
+return o(e)
+end
+end
+i={
+VERSION="text",
+FN="text",
+N={
+values={
+"FAMILY",
+"GIVEN",
+"MIDDLE",
+"PREFIX",
+"SUFFIX",
+},
+},
+NICKNAME="text",
+PHOTO={
+props_verbatim={ENCODING={"b"}},
+props={"TYPE"},
+value="BINVAL",
+},
+BDAY="text",
+ADR={
+types={
+"HOME",
+"WORK",
+"POSTAL",
+"PARCEL",
+"DOM",
+"INTL",
+"PREF",
+},
+values={
+"POBOX",
+"EXTADD",
+"STREET",
+"LOCALITY",
+"REGION",
+"PCODE",
+"CTRY",
+}
+},
+LABEL={
+types={
+"HOME",
+"WORK",
+"POSTAL",
+"PARCEL",
+"DOM",
+"INTL",
+"PREF",
+},
+value="LINE",
+},
+TEL={
+types={
+"HOME",
+"WORK",
+"VOICE",
+"FAX",
+"PAGER",
+"MSG",
+"CELL",
+"VIDEO",
+"BBS",
+"MODEM",
+"ISDN",
+"PCS",
+"PREF",
+},
+value="NUMBER",
+},
+EMAIL={
+types={
+"HOME",
+"WORK",
+"INTERNET",
+"PREF",
+"X400",
+},
+value="USERID",
+},
+JABBERID="text",
+MAILER="text",
+TZ="text",
+GEO={
+values={
+"LAT",
+"LON",
+},
+},
+TITLE="text",
+ROLE="text",
+LOGO="copy of PHOTO",
+AGENT="text",
+ORG={
+values={
+behaviour="repeat-last",
+"ORGNAME",
+"ORGUNIT",
+}
+},
+CATEGORIES={
+values="KEYWORD",
+},
+NOTE="text",
+PRODID="text",
+REV="text",
+SORTSTRING="text",
+SOUND="copy of PHOTO",
+UID="text",
+URL="text",
+CLASS={
+names={
+"PUBLIC",
+"PRIVATE",
+"CONFIDENTIAL",
+},
+},
+KEY={
+props={"TYPE"},
+value="CRED",
+},
+DESC="text",
+};
+i.LOGO=i.PHOTO;
+i.SOUND=i.PHOTO;
+return{
+from_text=m;
+to_text=c;
+from_xep54=d;
+to_xep54=l;
+lua_to_text=c;
+lua_to_xep54=l;
+text_to_lua=m;
+text_to_xep54=function(...)return l(m(...));end;
+xep54_to_lua=d;
+xep54_to_text=function(...)return c(d(...))end;
+};
+end)
+package.preload['util.logger']=(function(...)
+local e=pcall;
+local e=string.find;
+local e,n,e=ipairs,pairs,setmetatable;
+module"logger"
+local e,t={},{};
+local a={};
+local o;
+function init(e)
+local i=o(e,"debug");
+local a=o(e,"info");
+local n=o(e,"warn");
+local o=o(e,"error");
+local e=#e;
+return function(t,e,...)
+if t=="debug"then
+return i(e,...);
+elseif t=="info"then
+return a(e,...);
+elseif t=="warn"then
+return n(e,...);
+elseif t=="error"then
+return o(e,...);
+end
+end
+end
+function o(i,o)
+local a=t[o];
+if not a then
+a={};
+t[o]=a;
+end
+local e=e[i];
+local e=function(t,...)
+if e then
+for a=1,#e do
+if e[a](i,o,t,...)==false then
+return;
+end
+end
+end
+for e=1,#a do
+a[e](i,o,t,...);
+end
+end
+return e;
+end
+function reset()
+for t in n(e)do e[t]=nil;end
+for t,e in n(t)do
+for t=1,#e do
+e[t]=nil;
+end
+end
+for e in n(a)do a[e]=nil;end
+end
+function add_level_sink(e,a)
+if not t[e]then
+t[e]={a};
+else
+t[e][#t[e]+1]=a;
+end
+end
+function add_name_sink(t,a,o)
+if not e[t]then
+e[t]={a};
+else
+e[t][#e[t]+1]=a;
+end
+end
+function add_name_pattern_sink(e,t,o)
+if not a[e]then
+a[e]={t};
+else
+a[e][#a[e]+1]=t;
+end
+end
+_M.new=o;
+return _M;
+end)
+package.preload['util.datetime']=(function(...)
+local e=os.date;
+local i=os.time;
+local u=os.difftime;
+local t=error;
+local h=tonumber;
+module"datetime"
+function date(t)
+return e("!%Y-%m-%d",t);
+end
+function datetime(t)
+return e("!%Y-%m-%dT%H:%M:%SZ",t);
+end
+function time(t)
+return e("!%H:%M:%S",t);
+end
+function legacy(t)
+return e("!%Y%m%dT%H:%M:%S",t);
+end
+function parse(o)
+if o then
+local n,s,r,d,l,t,a;
+n,s,r,d,l,t,a=o:match("^(%d%d%d%d)-?(%d%d)-?(%d%d)T(%d%d):(%d%d):(%d%d)%.?%d*([Z+%-].*)$");
+if n then
+local u=u(i(e("*t")),i(e("!*t")));
+local o=0;
+if a~=""and a~="Z"then
+local a,t,e=a:match("([+%-])(%d%d):?(%d*)");
+if not a then return;end
+if#e~=2 then e="0";end
+t,e=h(t),h(e);
+o=t*60*60+e*60;
+if a=="-"then o=-o;end
+end
+t=(t+u)-o;
+return i({year=n,month=s,day=r,hour=d,min=l,sec=t,isdst=false});
+end
+end
+end
+return _M;
+end)
+package.preload['util.sasl.plain']=(function(...)
+return function(e,t)
+if t=="PLAIN"and e.username and e.password then
+return function(e)
+return"success"==coroutine.yield("\0"..e.username.."\0"..e.password);
+end,5;
+end
+end
+end)
+package.preload['verse.plugins.tls']=(function(...)
+local a=require"verse";
+local t="urn:ietf:params:xml:ns:xmpp-tls";
+function a.plugins.tls(e)
+local function o(o)
+if e.authenticated then return;end
+if o:get_child("starttls",t)and e.conn.starttls then
+e:debug("Negotiating TLS...");
+e:send(a.stanza("starttls",{xmlns=t}));
+return true;
+elseif not e.conn.starttls and not e.secure then
+e:warn("SSL libary (LuaSec) not loaded, so TLS not available");
+elseif not e.secure then
+e:debug("Server doesn't offer TLS :(");
+end
+end
+local function i(t)
+if t.name=="proceed"then
+e:debug("Server says proceed, handshake starting...");
+e.conn:starttls({mode="client",protocol="sslv23",options="no_sslv2"},true);
+end
+end
+local function a(t)
+if t=="ssl-handshake-complete"then
+e.secure=true;
+e:debug("Re-opening stream...");
+e:reopen();
+end
+end
+e:hook("stream-features",o,400);
+e:hook("stream/"..t,i);
+e:hook("status",a,400);
+return true;
+end
+end)
+package.preload['verse.plugins.sasl']=(function(...)
+local s,r=require"mime".b64,require"mime".unb64;
+local o="urn:ietf:params:xml:ns:xmpp-sasl";
+function verse.plugins.sasl(e)
+local function h(t)
+if e.authenticated then return;end
+e:debug("Authenticating with SASL...");
+local t=t:get_child("mechanisms",o);
+if not t then return end
+local a={};
+local i={};
+for t in t:childtags("mechanism")do
+t=t:get_text();
+e:debug("Server offers %s",t);
+if not a[t]then
+local n=t:match("[^-]+");
+local s,o=pcall(require,"util.sasl."..n:lower());
+if s then
+e:debug("Loaded SASL %s module",n);
+a[t],i[t]=o(e,t);
+elseif not tostring(o):match("not found")then
+e:debug("Loading failed: %s",tostring(o));
+end
+end
+end
+local t={};
+for e in pairs(a)do
+table.insert(t,e);
+end
+if not t[1]then
+e:event("authentication-failure",{condition="no-supported-sasl-mechanisms"});
+e:close();
+return;
+end
+table.sort(t,function(e,t)return i[e]>i[t];end);
+local t,i=t[1];
+e:debug("Selecting %s mechanism...",t);
+e.sasl_mechanism=coroutine.wrap(a[t]);
+i=e:sasl_mechanism(t);
+local t=verse.stanza("auth",{xmlns=o,mechanism=t});
+if i then
+t:text(s(i));
+end
+e:send(t);
+return true;
+end
+local function i(t)
+if t.name=="failure"then
+local a=t.tags[1];
+local t=t:get_child_text("text");
+e:event("authentication-failure",{condition=a.name,text=t});
+e:close();
+return false;
+end
+local t,a=e.sasl_mechanism(t.name,r(t:get_text()));
+if not t then
+e:event("authentication-failure",{condition=a});
+e:close();
+return false;
+elseif t==true then
+e:event("authentication-success");
+e.authenticated=true
+e:reopen();
+else
+e:send(verse.stanza("response",{xmlns=o}):text(s(t)));
+end
+return true;
+end
+e:hook("stream-features",h,300);
+e:hook("stream/"..o,i);
+return true;
+end
+end)
+package.preload['verse.plugins.bind']=(function(...)
+local t=require"verse";
+local o=require"util.jid";
+local a="urn:ietf:params:xml:ns:xmpp-bind";
+function t.plugins.bind(e)
+local function i(i)
+if e.bound then return;end
+e:debug("Binding resource...");
+e:send_iq(t.iq({type="set"}):tag("bind",{xmlns=a}):tag("resource"):text(e.resource),
+function(t)
+if t.attr.type=="result"then
+local t=t
+:get_child("bind",a)
+:get_child_text("jid");
+e.username,e.host,e.resource=o.split(t);
+e.jid,e.bound=t,true;
+e:event("bind-success",{jid=t});
+elseif t.attr.type=="error"then
+local a=t:child_with_name("error");
+local a,t,o=t:get_error();
+e:event("bind-failure",{error=t,text=o,type=a});
+end
+end);
+end
+e:hook("stream-features",i,200);
+return true;
+end
+end)
+package.preload['verse.plugins.session']=(function(...)
+local a=require"verse";
+local o="urn:ietf:params:xml:ns:xmpp-session";
+function a.plugins.session(e)
+local function n(t)
+local t=t:get_child("session",o);
+if t and not t:get_child("optional")then
+local function i(t)
+e:debug("Establishing Session...");
+e:send_iq(a.iq({type="set"}):tag("session",{xmlns=o}),
+function(t)
+if t.attr.type=="result"then
+e:event("session-success");
+elseif t.attr.type=="error"then
+local a=t:child_with_name("error");
+local t,o,a=t:get_error();
+e:event("session-failure",{error=o,text=a,type=t});
+end
+end);
+return true;
+end
+e:hook("bind-success",i);
+end
+end
+e:hook("stream-features",n);
+return true;
+end
+end)
+package.preload['verse.plugins.legacy']=(function(...)
+local i=require"verse";
+local n=require"util.uuid".generate;
+local a="jabber:iq:auth";
+function i.plugins.legacy(e)
+function handle_auth_form(t)
+local o=t:get_child("query",a);
+if t.attr.type~="result"or not o then
+local o,t,a=t:get_error();
+e:debug("warn","%s %s: %s",o,t,a);
+end
+local t={
+username=e.username;
+password=e.password;
+resource=e.resource or n();
+digest=false,sequence=false,token=false;
+};
+local a=i.iq({to=e.host,type="set"})
+:tag("query",{xmlns=a});
+if#o>0 then
+for o in o:childtags()do
+local o=o.name;
+local i=t[o];
+if i then
+a:tag(o):text(t[o]):up();
+elseif i==nil then
+local t="feature-not-implemented";
+e:event("authentication-failure",{condition=t});
+return false;
+end
+end
+else
+for t,e in pairs(t)do
+if e then
+a:tag(t):text(e):up();
+end
+end
+end
+e:send_iq(a,function(a)
+if a.attr.type=="result"then
+e.resource=t.resource;
+e.jid=t.username.."@"..e.host.."/"..t.resource;
+e:event("authentication-success");
+e:event("bind-success",e.jid);
+else
+local a,t,a=a:get_error();
+e:event("authentication-failure",{condition=t});
+end
+end);
+end
+function handle_opened(t)
+if not t.version then
+e:send_iq(i.iq({type="get"})
+:tag("query",{xmlns="jabber:iq:auth"})
+:tag("username"):text(e.username),
+handle_auth_form);
+end
+end
+e:hook("opened",handle_opened);
+end
+end)
+package.preload['verse.plugins.compression']=(function(...)
+local a=require"verse";
+local e=require"zlib";
+local t="http://jabber.org/features/compress"
+local t="http://jabber.org/protocol/compress"
+local o="http://etherx.jabber.org/streams";
+local n=9;
+local function i(o)
+local i,e=pcall(e.deflate,n);
+if i==false then
+local t=a.stanza("failure",{xmlns=t}):tag("setup-failed");
+o:send(t);
+o:error("Failed to create zlib.deflate filter: %s",tostring(e));
+return
+end
+return e
+end
+local function s(o)
+local i,e=pcall(e.inflate);
+if i==false then
+local t=a.stanza("failure",{xmlns=t}):tag("setup-failed");
+o:send(t);
+o:error("Failed to create zlib.inflate filter: %s",tostring(e));
+return
+end
+return e
+end
+local function n(e,o)
+function e:send(i)
+local i,o,n=pcall(o,tostring(i),'sync');
+if i==false then
+e:close({
+condition="undefined-condition";
+text=o;
+extra=a.stanza("failure",{xmlns=t}):tag("processing-failed");
+});
+e:warn("Compressed send failed: %s",tostring(o));
+return;
+end
+e.conn:write(o);
+end;
+end
+local function h(e,o)
+local s=e.data
+e.data=function(i,n)
+e:debug("Decompressing data...");
+local n,o,h=pcall(o,n);
+if n==false then
+e:close({
+condition="undefined-condition";
+text=o;
+extra=a.stanza("failure",{xmlns=t}):tag("processing-failed");
+});
+stream:warn("%s",tostring(o));
+return;
+end
+return s(i,o);
+end;
+end
+function a.plugins.compression(e)
+local function r(o)
+if not e.compressed then
+local o=o:child_with_name("compression");
+if o then
+for o in o:children()do
+local o=o[1]
+if o=="zlib"then
+e:send(a.stanza("compress",{xmlns=t}):tag("method"):text("zlib"))
+e:debug("Enabled compression using zlib.")
+return true;
+end
+end
+session:debug("Remote server supports no compression algorithm we support.")
+end
+end
+end
+local function o(t)
+if t.name=="compressed"then
+e:debug("Activating compression...")
+local t=i(e);
+if not t then return end
+local a=s(e);
+if not a then return end
+n(e,t);
+h(e,a);
+e.compressed=true;
+e:reopen();
+elseif t.name=="failure"then
+e:warn("Failed to establish compression");
+end
+end
+e:hook("stream-features",r,250);
+e:hook("stream/"..t,o);
+end
+end)
+package.preload['verse.plugins.smacks']=(function(...)
+local i=require"verse";
+local h=socket.gettime;
+local s="urn:xmpp:sm:2";
+function i.plugins.smacks(e)
+local t={};
+local o=0;
+local r=h();
+local a;
+local n=0;
+local function d(t)
+if t.attr.xmlns=="jabber:client"or not t.attr.xmlns then
+n=n+1;
+e:debug("Increasing handled stanzas to %d for %s",n,t:top_tag());
+end
+end
+function outgoing_stanza(o)
+if o.name and not o.attr.xmlns then
+t[#t+1]=tostring(o);
+r=h();
+if not a then
+a=true;
+e:debug("Waiting to send ack request...");
+i.add_task(1,function()
+if#t==0 then
+a=false;
+return;
+end
+local o=h()-r;
+if o<1 and#t<10 then
+return 1-o;
+end
+e:debug("Time up, sending <r>...");
+a=false;
+e:send(i.stanza("r",{xmlns=s}));
+end);
+end
+end
+end
+local function h()
+e:debug("smacks: connection lost");
+e.stream_management_supported=nil;
+if e.resumption_token then
+e:debug("smacks: have resumption token, reconnecting in 1s...");
+e.authenticated=nil;
+i.add_task(1,function()
+e:connect(e.connect_host or e.host,e.connect_port or 5222);
+end);
+return true;
+end
+end
+local function r()
+e.resumption_token=nil;
+e:unhook("disconnected",h);
+end
+local function l(a)
+if a.name=="r"then
+e:debug("Ack requested... acking %d handled stanzas",n);
+e:send(i.stanza("a",{xmlns=s,h=tostring(n)}));
+elseif a.name=="a"then
+local a=tonumber(a.attr.h);
+if a>o then
+local i=#t;
+for a=o+1,a do
+table.remove(t,1);
+end
+e:debug("Received ack: New ack: "..a.." Last ack: "..o.." Unacked stanzas now: "..#t.." (was "..i..")");
+o=a;
+else
+e:warn("Received bad ack for "..a.." when last ack was "..o);
+end
+elseif a.name=="enabled"then
+if a.attr.id then
+e.resumption_token=a.attr.id;
+e:hook("closed",r,100);
+e:hook("disconnected",h,100);
+end
+elseif a.name=="resumed"then
+local a=tonumber(a.attr.h);
+if a>o then
+local i=#t;
+for a=o+1,a do
+table.remove(t,1);
+end
+e:debug("Received ack: New ack: "..a.." Last ack: "..o.." Unacked stanzas now: "..#t.." (was "..i..")");
+o=a;
+end
+for a=1,#t do
+e:send(t[a]);
+end
+t={};
+e:debug("Resumed successfully");
+e:event("resumed");
+else
+e:warn("Don't know how to handle "..s.."/"..a.name);
+end
+end
+local function o()
+if not e.smacks then
+e:debug("smacks: sending enable");
+e:send(i.stanza("enable",{xmlns=s,resume="true"}));
+e.smacks=true;
+e:hook("stanza",d);
+e:hook("outgoing",outgoing_stanza);
+end
+end
+local function a(t)
+if t:get_child("sm",s)then
+e.stream_management_supported=true;
+if e.smacks and e.bound then
+e:debug("Resuming stream with %d handled stanzas",n);
+e:send(i.stanza("resume",{xmlns=s,
+h=n,previd=e.resumption_token}));
+return true;
+else
+e:hook("bind-success",o,1);
+end
+end
+end
+e:hook("stream-features",a,250);
+e:hook("stream/"..s,l);
+end
+end)
+package.preload['verse.plugins.keepalive']=(function(...)
+local t=require"verse";
+function t.plugins.keepalive(e)
+e.keepalive_timeout=e.keepalive_timeout or 300;
+t.add_task(e.keepalive_timeout,function()
+e.conn:write(" ");
+return e.keepalive_timeout;
+end);
+end
+end)
+package.preload['verse.plugins.disco']=(function(...)
+local a=require"verse";
+local r=require("mime").b64;
+local l=require("util.sha1").sha1;
+local n="http://jabber.org/protocol/caps";
+local e="http://jabber.org/protocol/disco";
+local o=e.."#info";
+local i=e.."#items";
+function a.plugins.disco(e)
+e:add_plugin("presence");
+local s={
+__index=function(a,e)
+local t={identities={},features={}};
+if e=="identities"or e=="features"then
+return a[false][e]
+end
+a[e]=t;
+return t;
+end,
+};
+local t={
+__index=function(a,t)
+local e={};
+a[t]=e;
+return e;
+end,
+};
+e.disco={
+cache={},
+info=setmetatable({
+[false]={
+identities={
+{category='client',type='pc',name='Verse'},
+},
+features={
+[n]=true,
+[o]=true,
+[i]=true,
+},
+},
+},s);
+items=setmetatable({[false]={}},t);
+};
+e.caps={}
+e.caps.node='http://code.matthewwild.co.uk/verse/'
+local function d(t,e)
+if t.category<e.category then
+return true;
+elseif e.category<t.category then
+return false;
+end
+if t.type<e.type then
+return true;
+elseif e.type<t.type then
+return false;
+end
+if(not t['xml:lang']and e['xml:lang'])or
+(e['xml:lang']and t['xml:lang']<e['xml:lang'])then
+return true
+end
+return false
+end
+local function h(t,e)
+return t.var<e.var
+end
+local function s(a)
+local o=e.disco.info[a or false].identities;
+table.sort(o,d)
+local t={};
+for e in pairs(e.disco.info[a or false].features)do
+t[#t+1]={var=e};
+end
+table.sort(t,h)
+local e={};
+for a,t in pairs(o)do
+e[#e+1]=table.concat({
+t.category,t.type or'',
+t['xml:lang']or'',t.name or''
+},'/');
+end
+for a,t in pairs(t)do
+e[#e+1]=t.var
+end
+e[#e+1]='';
+e=table.concat(e,'<');
+return(r(l(e)))
+end
+setmetatable(e.caps,{
+__call=function(...)
+local t=s()
+e.caps.hash=t;
+return a.stanza('c',{
+xmlns=n,
+hash='sha-1',
+node=e.caps.node,
+ver=t
+})
+end
+})
+function e:set_identity(t,a)
+self.disco.info[a or false].identities={t};
+e:resend_presence();
+end
+function e:add_identity(a,t)
+local t=self.disco.info[t or false].identities;
+t[#t+1]=a;
+e:resend_presence();
+end
+function e:add_disco_feature(t,a)
+local t=t.var or t;
+self.disco.info[a or false].features[t]=true;
+e:resend_presence();
+end
+function e:remove_disco_feature(t,a)
+local t=t.var or t;
+self.disco.info[a or false].features[t]=nil;
+e:resend_presence();
+end
+function e:add_disco_item(t,e)
+local e=self.disco.items[e or false];
+e[#e+1]=t;
+end
+function e:remove_disco_item(a,e)
+local e=self.disco.items[e or false];
+for t=#e,1,-1 do
+if e[t]==a then
+table.remove(e,t);
+end
+end
+end
+function e:jid_has_identity(a,e,t)
+local o=self.disco.cache[a];
+if not o then
+return nil,"no-cache";
+end
+local a=self.disco.cache[a].identities;
+if t then
+return a[e.."/"..t]or false;
+end
+for t in pairs(a)do
+if t:match("^(.*)/")==e then
+return true;
+end
+end
+end
+function e:jid_supports(e,t)
+local e=self.disco.cache[e];
+if not e or not e.features then
+return nil,"no-cache";
+end
+return e.features[t]or false;
+end
+function e:get_local_services(o,a)
+local e=self.disco.cache[self.host];
+if not(e)or not(e.items)then
+return nil,"no-cache";
+end
+local t={};
+for i,e in ipairs(e.items)do
+if self:jid_has_identity(e.jid,o,a)then
+table.insert(t,e.jid);
+end
+end
+return t;
+end
+function e:disco_local_services(a)
+self:disco_items(self.host,nil,function(t)
+if not t then
+return a({});
+end
+local e=0;
+local function o()
+e=e-1;
+if e==0 then
+return a(t);
+end
+end
+for a,t in ipairs(t)do
+if t.jid then
+e=e+1;
+self:disco_info(t.jid,nil,o);
+end
+end
+if e==0 then
+return a(t);
+end
+end);
+end
+function e:disco_info(e,t,s)
+local a=a.iq({to=e,type="get"})
+:tag("query",{xmlns=o,node=t});
+self:send_iq(a,function(i)
+if i.attr.type=="error"then
+return s(nil,i:get_error());
+end
+local n,a={},{};
+for e in i:get_child("query",o):childtags()do
+if e.name=="identity"then
+n[e.attr.category.."/"..e.attr.type]=e.attr.name or true;
+elseif e.name=="feature"then
+a[e.attr.var]=true;
+end
+end
+if not self.disco.cache[e]then
+self.disco.cache[e]={nodes={}};
+end
+if t then
+if not self.disco.cache[e].nodes[t]then
+self.disco.cache[e].nodes[t]={nodes={}};
+end
+self.disco.cache[e].nodes[t].identities=n;
+self.disco.cache[e].nodes[t].features=a;
+else
+self.disco.cache[e].identities=n;
+self.disco.cache[e].features=a;
+end
+return s(self.disco.cache[e]);
+end);
+end
+function e:disco_items(t,o,n)
+local a=a.iq({to=t,type="get"})
+:tag("query",{xmlns=i,node=o});
+self:send_iq(a,function(e)
+if e.attr.type=="error"then
+return n(nil,e:get_error());
+end
+local a={};
+for e in e:get_child("query",i):childtags()do
+if e.name=="item"then
+table.insert(a,{
+name=e.attr.name;
+jid=e.attr.jid;
+node=e.attr.node;
+});
+end
+end
+if not self.disco.cache[t]then
+self.disco.cache[t]={nodes={}};
+end
+if o then
+if not self.disco.cache[t].nodes[o]then
+self.disco.cache[t].nodes[o]={nodes={}};
+end
+self.disco.cache[t].nodes[o].items=a;
+else
+self.disco.cache[t].items=a;
+end
+return n(a);
+end);
+end
+e:hook("iq/"..o,function(n)
+local t=n.tags[1];
+if n.attr.type=='get'and t.name=="query"then
+local t=t.attr.node;
+local i=e.disco.info[t or false];
+if t and t==e.caps.node.."#"..e.caps.hash then
+i=e.disco.info[false];
+end
+local s,i=i.identities,i.features
+local t=a.reply(n):tag("query",{
+xmlns=o,
+node=t,
+});
+for a,e in pairs(s)do
+t:tag('identity',e):up()
+end
+for a in pairs(i)do
+t:tag('feature',{var=a}):up()
+end
+e:send(t);
+return true
+end
+end);
+e:hook("iq/"..i,function(o)
+local t=o.tags[1];
+if o.attr.type=='get'and t.name=="query"then
+local n=e.disco.items[t.attr.node or false];
+local t=a.reply(o):tag('query',{
+xmlns=i,
+node=t.attr.node
+})
+for a=1,#n do
+t:tag('item',n[a]):up()
+end
+e:send(t);
+return true
+end
+end);
+local t;
+e:hook("ready",function()
+if t then return;end
+t=true;
+e:disco_local_services(function(t)
+for a,t in ipairs(t)do
+local a=e.disco.cache[t.jid];
+if a then
+for a in pairs(a.identities)do
+local a,o=a:match("^(.*)/(.*)$");
+e:event("disco/service-discovered/"..a,{
+type=o,jid=t.jid;
+});
+end
+end
+end
+e:event("ready");
+end);
+return true;
+end,50);
+e:hook("presence-out",function(t)
+if not t:get_child("c",n)then
+t:reset():add_child(e:caps()):reset();
+end
+end,10);
+end
+end)
+package.preload['verse.plugins.version']=(function(...)
+local o=require"verse";
+local a="jabber:iq:version";
+local function i(e,t)
+e.name=t.name;
+e.version=t.version;
+e.platform=t.platform;
+end
+function o.plugins.version(e)
+e.version={set=i};
+e:hook("iq/"..a,function(t)
+if t.attr.type~="get"then return;end
+local t=o.reply(t)
+:tag("query",{xmlns=a});
+if e.version.name then
+t:tag("name"):text(tostring(e.version.name)):up();
+end
+if e.version.version then
+t:tag("version"):text(tostring(e.version.version)):up()
+end
+if e.version.platform then
+t:tag("os"):text(e.version.platform);
+end
+e:send(t);
+return true;
+end);
+function e:query_version(i,t)
+t=t or function(t)return e:event("version/response",t);end
+e:send_iq(o.iq({type="get",to=i})
+:tag("query",{xmlns=a}),
+function(o)
+if o.attr.type=="result"then
+local e=o:get_child("query",a);
+local o=e and e:get_child_text("name");
+local a=e and e:get_child_text("version");
+local e=e and e:get_child_text("os");
+t({
+name=o;
+version=a;
+platform=e;
+});
+else
+local a,e,o=o:get_error();
+t({
+error=true;
+condition=e;
+text=o;
+type=a;
+});
+end
+end);
+end
+return true;
+end
+end)
+package.preload['verse.plugins.ping']=(function(...)
+local a=require"verse";
+local o="urn:xmpp:ping";
+function a.plugins.ping(e)
+function e:ping(t,i)
+local n=socket.gettime();
+e:send_iq(a.iq{to=t,type="get"}:tag("ping",{xmlns=o}),
+function(e)
+if e.attr.type=="error"then
+local a,e,o=e:get_error();
+if e~="service-unavailable"and e~="feature-not-implemented"then
+i(nil,t,{type=a,condition=e,text=o});
+return;
+end
+end
+i(socket.gettime()-n,t);
+end);
+end
+e:hook("iq/"..o,function(t)
+return e:send(a.reply(t));
+end);
+return true;
+end
+end)
+package.preload['verse.plugins.uptime']=(function(...)
+local o=require"verse";
+local a="jabber:iq:last";
+local function t(e,t)
+e.starttime=t.starttime;
+end
+function o.plugins.uptime(e)
+e.uptime={set=t};
+e:hook("iq/"..a,function(t)
+if t.attr.type~="get"then return;end
+local t=o.reply(t)
+:tag("query",{seconds=tostring(os.difftime(os.time(),e.uptime.starttime)),xmlns=a});
+e:send(t);
+return true;
+end);
+function e:query_uptime(i,t)
+t=t or function(t)return e:event("uptime/response",t);end
+e:send_iq(o.iq({type="get",to=i})
+:tag("query",{xmlns=a}),
+function(e)
+local a=e:get_child("query",a);
+if e.attr.type=="result"then
+local e=tonumber(a.attr.seconds);
+t({
+seconds=e or nil;
+});
+else
+local o,a,e=e:get_error();
+t({
+error=true;
+condition=a;
+text=e;
+type=o;
+});
+end
+end);
+end
+return true;
+end
+end)
+package.preload['verse.plugins.blocking']=(function(...)
+local o=require"verse";
+local a="urn:xmpp:blocking";
+function o.plugins.blocking(e)
+e.blocking={};
+function e.blocking:block_jid(i,t)
+e:send_iq(o.iq{type="set"}
+:tag("block",{xmlns=a})
+:tag("item",{jid=i})
+,function()return t and t(true);end
+,function()return t and t(false);end
+);
+end
+function e.blocking:unblock_jid(i,t)
+e:send_iq(o.iq{type="set"}
+:tag("unblock",{xmlns=a})
+:tag("item",{jid=i})
+,function()return t and t(true);end
+,function()return t and t(false);end
+);
+end
+function e.blocking:unblock_all_jids(t)
+e:send_iq(o.iq{type="set"}
+:tag("unblock",{xmlns=a})
+,function()return t and t(true);end
+,function()return t and t(false);end
+);
+end
+function e.blocking:get_blocked_jids(t)
+e:send_iq(o.iq{type="get"}
+:tag("blocklist",{xmlns=a})
+,function(e)
+local a=e:get_child("blocklist",a);
+if not a then return t and t(false);end
+local e={};
+for t in a:childtags()do
+e[#e+1]=t.attr.jid;
+end
+return t and t(e);
+end
+,function(e)return t and t(false);end
+);
+end
+end
+end)
+package.preload['verse.plugins.jingle']=(function(...)
+local o=require"verse";
+local e=require"util.sha1".sha1;
+local e=require"util.timer";
+local a=require"util.uuid".generate;
+local i="urn:xmpp:jingle:1";
+local s="urn:xmpp:jingle:errors:1";
+local t={};
+t.__index=t;
+local e={};
+local e={};
+function o.plugins.jingle(e)
+e:hook("ready",function()
+e:add_disco_feature(i);
+end,10);
+function e:jingle(i)
+return o.eventable(setmetatable(base or{
+role="initiator";
+peer=i;
+sid=a();
+stream=e;
+},t));
+end
+function e:register_jingle_transport(e)
+end
+function e:register_jingle_content_type(e)
+end
+local function u(n)
+local h=n:get_child("jingle",i);
+local r=h.attr.sid;
+local a=h.attr.action;
+local r=e:event("jingle/"..r,n);
+if r==true then
+e:send(o.reply(n));
+return true;
+end
+if a~="session-initiate"then
+local t=o.error_reply(n,"cancel","item-not-found")
+:tag("unknown-session",{xmlns=s}):up();
+e:send(t);
+return;
+end
+local l=h.attr.sid;
+local a=o.eventable{
+role="receiver";
+peer=n.attr.from;
+sid=l;
+stream=e;
+};
+setmetatable(a,t);
+local d;
+local r,s;
+for t in h:childtags()do
+if t.name=="content"and t.attr.xmlns==i then
+local i=t:child_with_name("description");
+local o=i.attr.xmlns;
+if o then
+local e=e:event("jingle/content/"..o,a,i);
+if e then
+r=e;
+end
+end
+local o=t:child_with_name("transport");
+local i=o.attr.xmlns;
+s=e:event("jingle/transport/"..i,a,o);
+if r and s then
+d=t;
+break;
+end
+end
+end
+if not r then
+e:send(o.error_reply(n,"cancel","feature-not-implemented","The specified content is not supported"));
+return true;
+end
+if not s then
+e:send(o.error_reply(n,"cancel","feature-not-implemented","The specified transport is not supported"));
+return true;
+end
+e:send(o.reply(n));
+a.content_tag=d;
+a.creator,a.name=d.attr.creator,d.attr.name;
+a.content,a.transport=r,s;
+function a:decline()
+end
+e:hook("jingle/"..l,function(e)
+if e.attr.from~=a.peer then
+return false;
+end
+local e=e:get_child("jingle",i);
+return a:handle_command(e);
+end);
+e:event("jingle",a);
+return true;
+end
+function t:handle_command(a)
+local t=a.attr.action;
+e:debug("Handling Jingle command: %s",t);
+if t=="session-terminate"then
+self:destroy();
+elseif t=="session-accept"then
+self:handle_accepted(a);
+elseif t=="transport-info"then
+e:debug("Handling transport-info");
+self.transport:info_received(a);
+elseif t=="transport-replace"then
+e:error("Peer wanted to swap transport, not implemented");
+else
+e:warn("Unhandled Jingle command: %s",t);
+return nil;
+end
+return true;
+end
+function t:send_command(a,e,t)
+local e=o.iq({to=self.peer,type="set"})
+:tag("jingle",{
+xmlns=i,
+sid=self.sid,
+action=a,
+initiator=self.role=="initiator"and self.stream.jid or nil,
+responder=self.role=="responder"and self.jid or nil,
+}):add_child(e);
+if not t then
+self.stream:send(e);
+else
+self.stream:send_iq(e,t);
+end
+end
+function t:accept(t)
+local a=o.iq({to=self.peer,type="set"})
+:tag("jingle",{
+xmlns=i,
+sid=self.sid,
+action="session-accept",
+responder=e.jid,
+})
+:tag("content",{creator=self.creator,name=self.name});
+local o=self.content:generate_accept(self.content_tag:child_with_name("description"),t);
+a:add_child(o);
+local t=self.transport:generate_accept(self.content_tag:child_with_name("transport"),t);
+a:add_child(t);
+local t=self;
+e:send_iq(a,function(a)
+if a.attr.type=="error"then
+local a,t,a=a:get_error();
+e:error("session-accept rejected: %s",t);
+return false;
+end
+t.transport:connect(function(a)
+e:warn("CONNECTED (receiver)!!!");
+t.state="active";
+t:event("connected",a);
+end);
+end);
+end
+e:hook("iq/"..i,u);
+return true;
+end
+function t:offer(t,a)
+local e=o.iq({to=self.peer,type="set"})
+:tag("jingle",{xmlns=i,action="session-initiate",
+initiator=self.stream.jid,sid=self.sid});
+e:tag("content",{creator=self.role,name=t});
+local t=self.stream:event("jingle/describe/"..t,a);
+if not t then
+return false,"Unknown content type";
+end
+e:add_child(t);
+local t=self.stream:event("jingle/transport/".."urn:xmpp:jingle:transports:s5b:1",self);
+self.transport=t;
+e:add_child(t:generate_initiate());
+self.stream:debug("Hooking %s","jingle/"..self.sid);
+self.stream:hook("jingle/"..self.sid,function(e)
+if e.attr.from~=self.peer then
+return false;
+end
+local e=e:get_child("jingle",i);
+return self:handle_command(e)
+end);
+self.stream:send_iq(e,function(e)
+if e.attr.type=="error"then
+self.state="terminated";
+local t,e,a=e:get_error();
+return self:event("error",{type=t,condition=e,text=a});
+end
+end);
+self.state="pending";
+end
+function t:terminate(e)
+local e=o.stanza("reason"):tag(e or"success");
+self:send_command("session-terminate",e,function(e)
+self.state="terminated";
+self.transport:disconnect();
+self:destroy();
+end);
+end
+function t:destroy()
+self:event("terminated");
+self.stream:unhook("jingle/"..self.sid,self.handle_command);
+end
+function t:handle_accepted(e)
+local e=e:child_with_name("transport");
+self.transport:handle_accepted(e);
+self.transport:connect(function(e)
+self.stream:debug("CONNECTED (initiator)!")
+self.state="active";
+self:event("connected",e);
+end);
+end
+function t:set_source(a,o)
+local function t()
+local e,i=a();
+if e and e~=""then
+self.transport.conn:send(e);
+elseif e==""then
+return t();
+elseif e==nil then
+if o then
+self:terminate();
+end
+self.transport.conn:unhook("drained",t);
+a=nil;
+end
+end
+self.transport.conn:hook("drained",t);
+t();
+end
+function t:set_sink(t)
+self.transport.conn:hook("incoming-raw",t);
+self.transport.conn:hook("disconnected",function(e)
+self.stream:debug("Closing sink...");
+local e=e.reason;
+if e=="closed"then e=nil;end
+t(nil,e);
+end);
+end
+end)
+package.preload['verse.plugins.jingle_ft']=(function(...)
+local n=require"verse";
+local o=require"ltn12";
+local h=package.config:sub(1,1);
+local a="urn:xmpp:jingle:apps:file-transfer:1";
+local i="http://jabber.org/protocol/si/profile/file-transfer";
+function n.plugins.jingle_ft(t)
+t:hook("ready",function()
+t:add_disco_feature(a);
+end,10);
+local s={type="file"};
+function s:generate_accept(t,e)
+if e and e.save_file then
+self.jingle:hook("connected",function()
+local e=o.sink.file(io.open(e.save_file,"w+"));
+self.jingle:set_sink(e);
+end);
+end
+return t;
+end
+local s={__index=s};
+t:hook("jingle/content/"..a,function(t,e)
+local e=e:get_child("offer"):get_child("file",i);
+local e={
+name=e.attr.name;
+size=tonumber(e.attr.size);
+};
+return setmetatable({jingle=t,file=e},s);
+end);
+t:hook("jingle/describe/file",function(e)
+local t;
+if e.timestamp then
+t=os.date("!%Y-%m-%dT%H:%M:%SZ",e.timestamp);
+end
+return n.stanza("description",{xmlns=a})
+:tag("offer")
+:tag("file",{xmlns=i,
+name=e.filename,
+size=e.size,
+date=t,
+hash=e.hash,
+})
+:tag("desc"):text(e.description or"");
+end);
+function t:send_file(n,t)
+local e,a=io.open(t);
+if not e then return e,a;end
+local i=e:seek("end",0);
+e:seek("set",0);
+local a=o.source.file(e);
+local e=self:jingle(n);
+e:offer("file",{
+filename=t:match("[^"..h.."]+$");
+size=i;
+});
+e:hook("connected",function()
+e:set_source(a,true);
+end);
+return e;
+end
+end
+end)
+package.preload['verse.plugins.jingle_s5b']=(function(...)
+local t=require"verse";
+local o="urn:xmpp:jingle:transports:s5b:1";
+local d="http://jabber.org/protocol/bytestreams";
+local s=require"util.sha1".sha1;
+local n=require"util.uuid".generate;
+local function r(e,t)
+local function a()
+e:unhook("connected",a);
+return true;
+end
+local function o(t)
+e:unhook("incoming-raw",o);
+if t:sub(1,2)~="\005\000"then
+return e:event("error","connection-failure");
+end
+e:event("connected");
+return true;
+end
+local function i(a)
+e:unhook("incoming-raw",i);
+if a~="\005\000"then
+local t="version-mismatch";
+if a:sub(1,1)=="\005"then
+t="authentication-failure";
+end
+return e:event("error",t);
+end
+e:send(string.char(5,1,0,3,#t)..t.."\0\0");
+e:hook("incoming-raw",o,100);
+return true;
+end
+e:hook("connected",a,200);
+e:hook("incoming-raw",i,100);
+e:send("\005\001\000");
+end
+local function h(a,e,i)
+local e=t.new(nil,{
+streamhosts=e,
+current_host=0;
+});
+local function t(o)
+if o then
+return a(nil,o.reason);
+end
+if e.current_host<#e.streamhosts then
+e.current_host=e.current_host+1;
+e:debug("Attempting to connect to "..e.streamhosts[e.current_host].host..":"..e.streamhosts[e.current_host].port.."...");
+local a,t=e:connect(
+e.streamhosts[e.current_host].host,
+e.streamhosts[e.current_host].port
+);
+if not a then
+e:debug("Error connecting to proxy (%s:%s): %s",
+e.streamhosts[e.current_host].host,
+e.streamhosts[e.current_host].port,
+t
+);
+else
+e:debug("Connecting...");
+end
+r(e,i);
+return true;
+end
+e:unhook("disconnected",t);
+return a(nil);
+end
+e:hook("disconnected",t,100);
+e:hook("connected",function()
+e:unhook("disconnected",t);
+a(e.streamhosts[e.current_host],e);
+end,100);
+t();
+return e;
+end
+function t.plugins.jingle_s5b(e)
+e:hook("ready",function()
+e:add_disco_feature(o);
+end,10);
+local a={};
+function a:generate_initiate()
+self.s5b_sid=n();
+local i=t.stanza("transport",{xmlns=o,
+mode="tcp",sid=self.s5b_sid});
+local t=0;
+for a,o in pairs(e.proxy65.available_streamhosts)do
+t=t+1;
+i:tag("candidate",{jid=a,host=o.host,
+port=o.port,cid=a,priority=t,type="proxy"}):up();
+end
+e:debug("Have %d proxies",t)
+return i;
+end
+function a:generate_accept(e)
+local a={};
+self.s5b_peer_candidates=a;
+self.s5b_mode=e.attr.mode or"tcp";
+self.s5b_sid=e.attr.sid or self.jingle.sid;
+for e in e:childtags()do
+a[e.attr.cid]={
+type=e.attr.type;
+jid=e.attr.jid;
+host=e.attr.host;
+port=tonumber(e.attr.port)or 0;
+priority=tonumber(e.attr.priority)or 0;
+cid=e.attr.cid;
+};
+end
+local e=t.stanza("transport",{xmlns=o});
+return e;
+end
+function a:connect(i)
+e:warn("Connecting!");
+local a={};
+for t,e in pairs(self.s5b_peer_candidates or{})do
+a[#a+1]=e;
+end
+if#a>0 then
+self.connecting_peer_candidates=true;
+local function n(e,a)
+self.jingle:send_command("transport-info",t.stanza("content",{creator=self.creator,name=self.name})
+:tag("transport",{xmlns=o,sid=self.s5b_sid})
+:tag("candidate-used",{cid=e.cid}));
+self.onconnect_callback=i;
+self.conn=a;
+end
+local e=s(self.s5b_sid..self.peer..e.jid,true);
+h(n,a,e);
+else
+e:warn("Actually, I'm going to wait for my peer to tell me its streamhost...");
+self.onconnect_callback=i;
+end
+end
+function a:info_received(a)
+e:warn("Info received");
+local n=a:child_with_name("content");
+local i=n:child_with_name("transport");
+if i:get_child("candidate-used")and not self.connecting_peer_candidates then
+local a=i:child_with_name("candidate-used");
+if a then
+local function r(i,e)
+if self.jingle.role=="initiator"then
+self.jingle.stream:send_iq(t.iq({to=i.jid,type="set"})
+:tag("query",{xmlns=d,sid=self.s5b_sid})
+:tag("activate"):text(self.jingle.peer),function(i)
+if i.attr.type=="result"then
+self.jingle:send_command("transport-info",t.stanza("content",n.attr)
+:tag("transport",{xmlns=o,sid=self.s5b_sid})
+:tag("activated",{cid=a.attr.cid}));
+self.conn=e;
+self.onconnect_callback(e);
+else
+self.jingle.stream:error("Failed to activate bytestream");
+end
+end);
+end
+end
+self.jingle.stream:debug("CID: %s",self.jingle.stream.proxy65.available_streamhosts[a.attr.cid]);
+local t={
+self.jingle.stream.proxy65.available_streamhosts[a.attr.cid];
+};
+local e=s(self.s5b_sid..e.jid..self.peer,true);
+h(r,t,e);
+end
+elseif i:get_child("activated")then
+self.onconnect_callback(self.conn);
+end
+end
+function a:disconnect()
+if self.conn then
+self.conn:close();
+end
+end
+function a:handle_accepted(e)
+end
+local t={__index=a};
+e:hook("jingle/transport/"..o,function(e)
+return setmetatable({
+role=e.role,
+peer=e.peer,
+stream=e.stream,
+jingle=e,
+},t);
+end);
+end
+end)
+package.preload['verse.plugins.proxy65']=(function(...)
+local e=require"util.events";
+local r=require"util.uuid";
+local h=require"util.sha1";
+local i={};
+i.__index=i;
+local o="http://jabber.org/protocol/bytestreams";
+local n;
+function verse.plugins.proxy65(t)
+t.proxy65=setmetatable({stream=t},i);
+t.proxy65.available_streamhosts={};
+local e=0;
+t:hook("disco/service-discovered/proxy",function(a)
+if a.type=="bytestreams"then
+e=e+1;
+t:send_iq(verse.iq({to=a.jid,type="get"})
+:tag("query",{xmlns=o}),function(a)
+e=e-1;
+if a.attr.type=="result"then
+local e=a:get_child("query",o)
+:get_child("streamhost").attr;
+t.proxy65.available_streamhosts[e.jid]={
+jid=e.jid;
+host=e.host;
+port=tonumber(e.port);
+};
+end
+if e==0 then
+t:event("proxy65/discovered-proxies",t.proxy65.available_streamhosts);
+end
+end);
+end
+end);
+t:hook("iq/"..o,function(a)
+local e=verse.new(nil,{
+initiator_jid=a.attr.from,
+streamhosts={},
+current_host=0;
+});
+for t in a.tags[1]:childtags()do
+if t.name=="streamhost"then
+table.insert(e.streamhosts,t.attr);
+end
+end
+local function o()
+if e.current_host<#e.streamhosts then
+e.current_host=e.current_host+1;
+e:connect(
+e.streamhosts[e.current_host].host,
+e.streamhosts[e.current_host].port
+);
+n(t,e,a.tags[1].attr.sid,a.attr.from,t.jid);
+return true;
+end
+e:unhook("disconnected",o);
+t:send(verse.error_reply(a,"cancel","item-not-found"));
+end
+function e:accept()
+e:hook("disconnected",o,100);
+e:hook("connected",function()
+e:unhook("disconnected",o);
+local e=verse.reply(a)
+:tag("query",a.tags[1].attr)
+:tag("streamhost-used",{jid=e.streamhosts[e.current_host].jid});
+t:send(e);
+end,100);
+o();
+end
+function e:refuse()
+end
+t:event("proxy65/request",e);
+end);
+end
+function i:new(t,s)
+local e=verse.new(nil,{
+target_jid=t;
+bytestream_sid=r.generate();
+});
+local a=verse.iq{type="set",to=t}
+:tag("query",{xmlns=o,mode="tcp",sid=e.bytestream_sid});
+for t,e in ipairs(s or self.proxies)do
+a:tag("streamhost",e):up();
+end
+self.stream:send_iq(a,function(a)
+if a.attr.type=="error"then
+local t,a,o=a:get_error();
+e:event("connection-failed",{conn=e,type=t,condition=a,text=o});
+else
+local a=a.tags[1]:get_child("streamhost-used");
+if not a then
+end
+e.streamhost_jid=a.attr.jid;
+local i,a;
+for o,t in ipairs(s or self.proxies)do
+if t.jid==e.streamhost_jid then
+i,a=t.host,t.port;
+break;
+end
+end
+if not(i and a)then
+end
+e:connect(i,a);
+local function a()
+e:unhook("connected",a);
+local t=verse.iq{to=e.streamhost_jid,type="set"}
+:tag("query",{xmlns=o,sid=e.bytestream_sid})
+:tag("activate"):text(t);
+self.stream:send_iq(t,function(t)
+if t.attr.type=="result"then
+e:event("connected",e);
+else
+end
+end);
+return true;
+end
+e:hook("connected",a,100);
+n(self.stream,e,e.bytestream_sid,self.stream.jid,t);
+end
+end);
+return e;
+end
+function n(i,e,t,o,a)
+local n=h.sha1(t..o..a);
+local function s()
+e:unhook("connected",s);
+return true;
+end
+local function o(t)
+e:unhook("incoming-raw",o);
+if t:sub(1,2)~="\005\000"then
+return e:event("error","connection-failure");
+end
+e:event("connected");
+return true;
+end
+local function i(a)
+e:unhook("incoming-raw",i);
+if a~="\005\000"then
+local t="version-mismatch";
+if a:sub(1,1)=="\005"then
+t="authentication-failure";
+end
+return e:event("error",t);
+end
+e:send(string.char(5,1,0,3,#n)..n.."\0\0");
+e:hook("incoming-raw",o,100);
+return true;
+end
+e:hook("connected",s,200);
+e:hook("incoming-raw",i,100);
+e:send("\005\001\000");
+end
+end)
+package.preload['verse.plugins.jingle_ibb']=(function(...)
+local e=require"verse";
+local i=require"util.encodings".base64;
+local h=require"util.uuid".generate;
+local n="urn:xmpp:jingle:transports:ibb:1";
+local o="http://jabber.org/protocol/ibb";
+assert(i.encode("This is a test.")=="VGhpcyBpcyBhIHRlc3Qu","Base64 encoding failed");
+assert(i.decode("VGhpcyBpcyBhIHRlc3Qu")=="This is a test.","Base64 decoding failed");
+local t=table.concat
+local a={};
+local s={__index=a};
+local function r(t)
+local t=setmetatable({stream=t},s)
+t=e.eventable(t);
+return t;
+end
+function a:initiate(t,e,a)
+self.block=2048;
+self.stanza=a or'iq';
+self.peer=t;
+self.sid=e or tostring(self):match("%x+$");
+self.iseq=0;
+self.oseq=0;
+local e=function(e)
+return self:feed(e)
+end
+self.feeder=e;
+print("Hooking incomming IQs");
+local t=self.stream;
+t:hook("iq/"..o,e)
+if a=="message"then
+t:hook("message",e)
+end
+end
+function a:open(t)
+self.stream:send_iq(e.iq{to=self.peer,type="set"}
+:tag("open",{
+xmlns=o,
+["block-size"]=self.block,
+sid=self.sid,
+stanza=self.stanza
+})
+,function(e)
+if t then
+if e.attr.type~="error"then
+t(true)
+else
+t(false,e:get_error())
+end
+end
+end);
+end
+function a:send(n)
+local a=self.stanza;
+local t;
+if a=="iq"then
+t=e.iq{type="set",to=self.peer}
+elseif a=="message"then
+t=e.message{to=self.peer}
+end
+local e=self.oseq;
+self.oseq=e+1;
+t:tag("data",{xmlns=o,sid=self.sid,seq=e})
+:text(i.encode(n));
+if a=="iq"then
+self.stream:send_iq(t,function(e)
+self:event(e.attr.type=="result"and"drained"or"error");
+end)
+else
+stream:send(t)
+self:event("drained");
+end
+end
+function a:feed(t)
+if t.attr.from~=self.peer then return end
+local a=t[1];
+if a.attr.sid~=self.sid then return end
+local n;
+if a.name=="open"then
+self:event("connected");
+self.stream:send(e.reply(t))
+return true
+elseif a.name=="data"then
+local o=t:get_child_text("data",o);
+local a=tonumber(a.attr.seq);
+local n=self.iseq;
+if o and a then
+if a~=n then
+self.stream:send(e.error_reply(t,"cancel","not-acceptable","Wrong sequence. Packet lost?"))
+self:close();
+self:event("error");
+return true;
+end
+self.iseq=a+1;
+local a=i.decode(o);
+if self.stanza=="iq"then
+self.stream:send(e.reply(t))
+end
+self:event("incoming-raw",a);
+return true;
+end
+elseif a.name=="close"then
+self.stream:send(e.reply(t))
+self:close();
+return true
+end
+end
+function a:close()
+self.stream:unhook("iq/"..o,self.feeder)
+self:event("disconnected");
+end
+function e.plugins.jingle_ibb(a)
+a:hook("ready",function()
+a:add_disco_feature(n);
+end,10);
+local t={};
+function t:_setup()
+local e=r(self.stream);
+e.sid=self.sid or e.sid;
+e.stanza=self.stanza or e.stanza;
+e.block=self.block or e.block;
+e:initiate(self.peer,self.sid,self.stanza);
+self.conn=e;
+end
+function t:generate_initiate()
+print("ibb:generate_initiate() as "..self.role);
+local t=h();
+self.sid=t;
+self.stanza='iq';
+self.block=2048;
+local e=e.stanza("transport",{xmlns=n,
+sid=self.sid,stanza=self.stanza,["block-size"]=self.block});
+return e;
+end
+function t:generate_accept(t)
+print("ibb:generate_accept() as "..self.role);
+local e=t.attr;
+self.sid=e.sid or self.sid;
+self.stanza=e.stanza or self.stanza;
+self.block=e["block-size"]or self.block;
+self:_setup();
+return t;
+end
+function t:connect(t)
+if not self.conn then
+self:_setup();
+end
+local e=self.conn;
+print("ibb:connect() as "..self.role);
+if self.role=="initiator"then
+e:open(function(a,...)
+assert(a,table.concat({...},", "));
+t(e);
+end);
+else
+t(e);
+end
+end
+function t:info_received(e)
+print("ibb:info_received()");
+end
+function t:disconnect()
+if self.conn then
+self.conn:close()
+end
+end
+function t:handle_accepted(e)end
+local t={__index=t};
+a:hook("jingle/transport/"..n,function(e)
+return setmetatable({
+role=e.role,
+peer=e.peer,
+stream=e.stream,
+jingle=e,
+},t);
+end);
+end
+end)
+package.preload['verse.plugins.pubsub']=(function(...)
+local h=require"verse";
+local e=require"util.jid".bare;
+local n=table.insert;
+local o="http://jabber.org/protocol/pubsub";
+local i="http://jabber.org/protocol/pubsub#owner";
+local r="http://jabber.org/protocol/pubsub#event";
+local e="http://jabber.org/protocol/pubsub#errors";
+local e={};
+local s={__index=e};
+function h.plugins.pubsub(e)
+e.pubsub=setmetatable({stream=e},s);
+e:hook("message",function(t)
+local a=t.attr.from;
+for t in t:childtags("event",r)do
+local t=t:get_child("items");
+if t then
+local o=t.attr.node;
+for t in t:childtags("item")do
+e:event("pubsub/event",{
+from=a;
+node=o;
+item=t;
+});
+end
+end
+end
+end);
+return true;
+end
+function e:create(e,t,a)
+return self:service(e):node(t):create(nil,a);
+end
+function e:subscribe(o,a,t,e)
+return self:service(o):node(a):subscribe(t,nil,e);
+end
+function e:publish(a,i,o,e,t)
+return self:service(a):node(i):publish(o,nil,e,t);
+end
+local a={};
+local t={__index=a};
+function e:service(e)
+return setmetatable({stream=self.stream,service=e},t)
+end
+local function t(r,i,t,a,n,s,e)
+local t=h.iq{type=r or"get",to=i}
+:tag("pubsub",{xmlns=t or o})
+if a then t:tag(a,{node=n,jid=s});end
+if e then t:tag("item",{id=e~=true and e or nil});end
+return t;
+end
+function a:subscriptions(a)
+self.stream:send_iq(t(nil,self.service,nil,"subscriptions")
+,a and function(t)
+if t.attr.type=="result"then
+local e=t:get_child("pubsub",o);
+local e=e and e:get_child("subscriptions");
+local o={};
+if e then
+for t in e:childtags("subscription")do
+local e=self:node(t.attr.node)
+e.subscription=t;
+e.subscribed_jid=t.attr.jid;
+n(o,e);
+end
+end
+a(o);
+else
+a(false,t:get_error());
+end
+end or nil);
+end
+function a:affiliations(a)
+self.stream:send_iq(t(nil,self.service,nil,"affiliations")
+,a and function(e)
+if e.attr.type=="result"then
+local e=e:get_child("pubsub",o);
+local e=e and e:get_child("affiliations")or{};
+local t={};
+if e then
+for a in e:childtags("affiliation")do
+local e=self:node(a.attr.node)
+e.affiliation=a;
+n(t,e);
+end
+end
+a(t);
+else
+a(false,e:get_error());
+end
+end or nil);
+end
+function a:nodes(a)
+self.stream:disco_items(self.service,nil,function(e,...)
+if e then
+for t=1,#e do
+e[t]=self:node(e[t].node);
+end
+end
+a(e,...)
+end);
+end
+local e={};
+local o={__index=e};
+function a:node(e)
+return setmetatable({stream=self.stream,service=self.service,node=e},o)
+end
+function s:__call(t,e)
+local t=self:service(t);
+return e and t:node(e)or t;
+end
+function e:hook(a,o)
+self._hooks=self._hooks or setmetatable({},{__mode='kv'});
+local function t(e)
+if(not e.service or e.from==self.service)and e.node==self.node then
+return a(e)
+end
+end
+self._hooks[a]=t;
+self.stream:hook("pubsub/event",t,o);
+return t;
+end
+function e:unhook(e)
+if e then
+local e=self._hooks[e];
+self.stream:unhook("pubsub/event",e);
+elseif self._hooks then
+for e in pairs(self._hooks)do
+self.stream:unhook("pubsub/event",e);
+end
+end
+end
+function e:create(e,a)
+if e~=nil then
+error("Not implemented yet.");
+else
+self.stream:send_iq(t("set",self.service,nil,"create",self.node),a);
+end
+end
+function e:configure(e,a)
+if e~=nil then
+error("Not implemented yet.");
+end
+self.stream:send_iq(t("set",self.service,nil,e==nil and"default"or"configure",self.node),a);
+end
+function e:publish(o,a,e,i)
+if a~=nil then
+error("Node configuration is not implemented yet.");
+end
+self.stream:send_iq(t("set",self.service,nil,"publish",self.node,nil,o or true)
+:add_child(e)
+,i);
+end
+function e:subscribe(e,a,o)
+e=e or self.stream.jid;
+if a~=nil then
+error("Subscription configuration is not implemented yet.");
+end
+self.stream:send_iq(t("set",self.service,nil,"subscribe",self.node,e,id)
+,o);
+end
+function e:subscription(e)
+error("Not implemented yet.");
+end
+function e:affiliation(e)
+error("Not implemented yet.");
+end
+function e:unsubscribe(e,a)
+e=e or self.subscribed_jid or self.stream.jid;
+self.stream:send_iq(t("set",self.service,nil,"unsubscribe",self.node,e)
+,a);
+end
+function e:configure_subscription(e,e)
+error("Not implemented yet.");
+end
+function e:items(a,e)
+if a then
+self.stream:send_iq(t("get",self.service,nil,"items",self.node)
+,e);
+else
+self.stream:disco_items(self.service,self.node,e);
+end
+end
+function e:item(a,e)
+self.stream:send_iq(t("get",self.service,nil,"items",self.node,nil,a)
+,e);
+end
+function e:retract(e,a)
+self.stream:send_iq(t("set",self.service,nil,"retract",self.node,nil,e)
+,a);
+end
+function e:purge(e,a)
+assert(not e,"Not implemented yet.");
+self.stream:send_iq(t("set",self.service,i,"purge",self.node)
+,a);
+end
+function e:delete(a,e)
+assert(not a,"Not implemented yet.");
+self.stream:send_iq(t("set",self.service,i,"delete",self.node)
+,e);
+end
+end)
+package.preload['verse.plugins.pep']=(function(...)
+local e=require"verse";
+local t="http://jabber.org/protocol/pubsub";
+local t=t.."#event";
+function e.plugins.pep(e)
+e:add_plugin("disco");
+e:add_plugin("pubsub");
+e.pep={};
+e:hook("pubsub/event",function(t)
+return e:event("pep/"..t.node,{from=t.from,item=t.item.tags[1]});
+end);
+function e:hook_pep(t,i,o)
+local a=e.events._handlers["pep/"..t];
+if not(a)or#a==0 then
+e:add_disco_feature(t.."+notify");
+end
+e:hook("pep/"..t,i,o);
+end
+function e:unhook_pep(t,a)
+e:unhook("pep/"..t,a);
+local a=e.events._handlers["pep/"..t];
+if not(a)or#a==0 then
+e:remove_disco_feature(t.."+notify");
+end
+end
+function e:publish_pep(t,a)
+return e.pubsub:service(nil):node(a or t.attr.xmlns):publish(nil,nil,t)
+end
+end
+end)
+package.preload['verse.plugins.adhoc']=(function(...)
+local o=require"verse";
+local n=require"lib.adhoc";
+local t="http://jabber.org/protocol/commands";
+local s="jabber:x:data";
+local a={};
+a.__index=a;
+local i={};
+function o.plugins.adhoc(e)
+e:add_plugin("disco");
+e:add_disco_feature(t);
+function e:query_commands(a,o)
+e:disco_items(a,t,function(a)
+e:debug("adhoc list returned")
+local t={};
+for o,a in ipairs(a)do
+t[a.node]=a.name;
+end
+e:debug("adhoc calling callback")
+return o(t);
+end);
+end
+function e:execute_command(t,o,i)
+local e=setmetatable({
+stream=e,jid=t,
+command=o,callback=i
+},a);
+return e:execute();
+end
+local function r(t,e)
+if not(e)or e=="user"then return true;end
+if type(e)=="function"then
+return e(t);
+end
+end
+function e:add_adhoc_command(o,a,h,s)
+i[a]=n.new(o,a,h,s);
+e:add_disco_item({jid=e.jid,node=a,name=o},t);
+return i[a];
+end
+local function s(a)
+local t=a.tags[1];
+local t=t.attr.node;
+local t=i[t];
+if not t then return;end
+if not r(a.attr.from,t.permission)then
+e:send(o.error_reply(a,"auth","forbidden","You don't have permission to execute this command"):up()
+:add_child(t:cmdtag("canceled")
+:tag("note",{type="error"}):text("You don't have permission to execute this command")));
+return true
+end
+return n.handle_cmd(t,{send=function(t)return e:send(t)end},a);
+end
+e:hook("iq/"..t,function(e)
+local a=e.attr.type;
+local t=e.tags[1].name;
+if a=="set"and t=="command"then
+return s(e);
+end
+end);
+end
+function a:_process_response(e)
+if e.attr.type=="error"then
+self.status="canceled";
+self.callback(self,{});
+return;
+end
+local e=e:get_child("command",t);
+self.status=e.attr.status;
+self.sessionid=e.attr.sessionid;
+self.form=e:get_child("x",s);
+self.note=e:get_child("note");
+self.callback(self);
+end
+function a:execute()
+local e=o.iq({to=self.jid,type="set"})
+:tag("command",{xmlns=t,node=self.command});
+self.stream:send_iq(e,function(e)
+self:_process_response(e);
+end);
+end
+function a:next(e)
+local t=o.iq({to=self.jid,type="set"})
+:tag("command",{
+xmlns=t,
+node=self.command,
+sessionid=self.sessionid
+});
+if e then t:add_child(e);end
+self.stream:send_iq(t,function(e)
+self:_process_response(e);
+end);
+end
+end)
+package.preload['verse.plugins.presence']=(function(...)
+local a=require"verse";
+function a.plugins.presence(e)
+e.last_presence=nil;
+e:hook("presence-out",function(t)
+if not t.attr.to then
+e.last_presence=t;
+end
+end,1);
+function e:resend_presence()
+if last_presence then
+e:send(last_presence);
+end
+end
+function e:set_status(t)
+local a=a.presence();
+if type(t)=="table"then
+if t.show then
+a:tag("show"):text(t.show):up();
+end
+if t.prio then
+a:tag("priority"):text(tostring(t.prio)):up();
+end
+if t.msg then
+a:tag("status"):text(t.msg):up();
+end
+end
+e:send(a);
+end
+end
+end)
+package.preload['verse.plugins.private']=(function(...)
+local a=require"verse";
+local t="jabber:iq:private";
+function a.plugins.private(i)
+function i:private_set(o,i,e,n)
+local t=a.iq({type="set"})
+:tag("query",{xmlns=t});
+if e then
+if e.name==o and e.attr and e.attr.xmlns==i then
+t:add_child(e);
+else
+t:tag(o,{xmlns=i})
+:add_child(e);
+end
+end
+self:send_iq(t,n);
+end
+function i:private_get(e,o,i)
+self:send_iq(a.iq({type="get"})
+:tag("query",{xmlns=t})
+:tag(e,{xmlns=o}),
+function(a)
+if a.attr.type=="result"then
+local t=a:get_child("query",t);
+local e=t:get_child(e,o);
+i(e);
+end
+end);
+end
+end
+end)
+package.preload['verse.plugins.roster']=(function(...)
+local o=require"verse";
+local d=require"util.jid".bare;
+local a="jabber:iq:roster";
+local n="urn:xmpp:features:rosterver";
+local i=table.insert;
+function o.plugins.roster(t)
+local s=false;
+local e={
+items={};
+ver="";
+};
+t.roster=e;
+t:hook("stream-features",function(e)
+if e:get_child("ver",n)then
+s=true;
+end
+end);
+local function h(t)
+local e=o.stanza("item",{xmlns=a});
+for a,t in pairs(t)do
+if a~="groups"then
+e.attr[a]=t;
+else
+for a=1,#t do
+e:tag("group"):text(t[a]):up();
+end
+end
+end
+return e;
+end
+local function r(t)
+local e={};
+local a={};
+e.groups=a;
+local o=t.attr.jid;
+for t,a in pairs(t.attr)do
+if t~="xmlns"then
+e[t]=a
+end
+end
+for e in t:childtags("group")do
+i(a,e:get_text())
+end
+return e;
+end
+function e:load(t)
+e.ver,e.items=t.ver,t.items;
+end
+function e:dump()
+return{
+ver=e.ver,
+items=e.items,
+};
+end
+function e:add_contact(s,i,n,e)
+local i={jid=s,name=i,groups=n};
+local a=o.iq({type="set"})
+:tag("query",{xmlns=a})
+:add_child(h(i));
+t:send_iq(a,function(t)
+if not e then return end
+if t.attr.type=="result"then
+e(true);
+else
+local a,o,t=t:get_error();
+e(nil,{a,o,t});
+end
+end);
+end
+function e:delete_contact(i,n)
+i=(type(i)=="table"and i.jid)or i;
+local s={jid=i,subscription="remove"}
+if not e.items[i]then return false,"item-not-found";end
+t:send_iq(o.iq({type="set"})
+:tag("query",{xmlns=a})
+:add_child(h(s)),
+function(e)
+if not n then return end
+if e.attr.type=="result"then
+n(true);
+else
+local e,t,a=e:get_error();
+n(nil,{e,t,a});
+end
+end);
+end
+local function h(t)
+local t=r(t);
+e.items[t.jid]=t;
+end
+local function r(t)
+local a=e.items[t];
+e.items[t]=nil;
+return a;
+end
+function e:fetch(i)
+t:send_iq(o.iq({type="get"}):tag("query",{xmlns=a,ver=s and e.ver or nil}),
+function(t)
+if t.attr.type=="result"then
+local t=t:get_child("query",a);
+if t then
+e.items={};
+for t in t:childtags("item")do
+h(t)
+end
+e.ver=t.attr.ver or"";
+end
+i(e);
+else
+local e,t,a=stanza:get_error();
+i(nil,{e,t,a});
+end
+end);
+end
+t:hook("iq/"..a,function(i)
+local s,n=i.attr.type,i.attr.from;
+if s=="set"and(not n or n==d(t.jid))then
+local s=i:get_child("query",a);
+local a=s and s:get_child("item");
+if a then
+local n,o;
+local i=a.attr.jid;
+if a.attr.subscription=="remove"then
+n="removed"
+o=r(i);
+else
+n=e.items[i]and"changed"or"added";
+h(a)
+o=e.items[i];
+end
+e.ver=s.attr.ver;
+if o then
+t:event("roster/item-"..n,o);
+end
+end
+t:send(o.reply(i))
+return true;
+end
+end);
+end
+end)
+package.preload['verse.plugins.register']=(function(...)
+local t=require"verse";
+local o="jabber:iq:register";
+function t.plugins.register(e)
+local function a(i)
+if i:get_child("register","http://jabber.org/features/iq-register")then
+local t=t.iq({to=e.host_,type="set"})
+:tag("query",{xmlns=o})
+:tag("username"):text(e.username):up()
+:tag("password"):text(e.password):up();
+if e.register_email then
+t:tag("email"):text(e.register_email):up();
+end
+e:send_iq(t,function(t)
+if t.attr.type=="result"then
+e:event("registration-success");
+else
+local o,t,a=t:get_error();
+e:debug("Registration failed: %s",t);
+e:event("registration-failure",{type=o,condition=t,text=a});
+end
+end);
+else
+e:debug("In-band registration not offered by server");
+e:event("registration-failure",{condition="service-unavailable"});
+end
+e:unhook("stream-features",a);
+return true;
+end
+e:hook("stream-features",a,310);
+end
+end)
+package.preload['verse.plugins.groupchat']=(function(...)
+local i=require"verse";
+local e=require"events";
+local n=require"util.jid";
+local a={};
+a.__index=a;
+local h="urn:xmpp:delay";
+local s="http://jabber.org/protocol/muc";
+function i.plugins.groupchat(o)
+o:add_plugin("presence")
+o.rooms={};
+o:hook("stanza",function(e)
+local a=n.bare(e.attr.from);
+if not a then return end
+local t=o.rooms[a]
+if not t and e.attr.to and a then
+t=o.rooms[e.attr.to.." "..a]
+end
+if t and t.opts.source and e.attr.to~=t.opts.source then return end
+if t then
+local o=select(3,n.split(e.attr.from));
+local n=e:get_child_text("body");
+local i=e:get_child("delay",h);
+local a={
+room_jid=a;
+room=t;
+sender=t.occupants[o];
+nick=o;
+body=n;
+stanza=e;
+delay=(i and i.attr.stamp);
+};
+local t=t:event(e.name,a);
+return t or(e.name=="message")or nil;
+end
+end,500);
+function o:join_room(n,h,t)
+if not h then
+return false,"no nickname supplied"
+end
+t=t or{};
+local e=setmetatable(i.eventable{
+stream=o,jid=n,nick=h,
+subject=nil,
+occupants={},
+opts=t,
+},a);
+if t.source then
+self.rooms[t.source.." "..n]=e;
+else
+self.rooms[n]=e;
+end
+local a=e.occupants;
+e:hook("presence",function(o)
+local t=o.nick or h;
+if not a[t]and o.stanza.attr.type~="unavailable"then
+a[t]={
+nick=t;
+jid=o.stanza.attr.from;
+presence=o.stanza;
+};
+local o=o.stanza:get_child("x",s.."#user");
+if o then
+local e=o:get_child("item");
+if e and e.attr then
+a[t].real_jid=e.attr.jid;
+a[t].affiliation=e.attr.affiliation;
+a[t].role=e.attr.role;
+end
+end
+if t==e.nick then
+e.stream:event("groupchat/joined",e);
+else
+e:event("occupant-joined",a[t]);
+end
+elseif a[t]and o.stanza.attr.type=="unavailable"then
+if t==e.nick then
+e.stream:event("groupchat/left",e);
+if e.opts.source then
+self.rooms[e.opts.source.." "..n]=nil;
+else
+self.rooms[n]=nil;
+end
+else
+a[t].presence=o.stanza;
+e:event("occupant-left",a[t]);
+a[t]=nil;
+end
+end
+end);
+e:hook("message",function(a)
+local t=a.stanza:get_child_text("subject");
+if not t then return end
+t=#t>0 and t or nil;
+if t~=e.subject then
+local o=e.subject;
+e.subject=t;
+return e:event("subject-changed",{from=o,to=t,by=a.sender,event=a});
+end
+end,2e3);
+local t=i.presence():tag("x",{xmlns=s}):reset();
+self:event("pre-groupchat/joining",t);
+e:send(t)
+self:event("groupchat/joining",e);
+return e;
+end
+o:hook("presence-out",function(e)
+if not e.attr.to then
+for a,t in pairs(o.rooms)do
+t:send(e);
+end
+e.attr.to=nil;
+end
+end);
+end
+function a:send(e)
+if e.name=="message"and not e.attr.type then
+e.attr.type="groupchat";
+end
+if e.name=="presence"then
+e.attr.to=self.jid.."/"..self.nick;
+end
+if e.attr.type=="groupchat"or not e.attr.to then
+e.attr.to=self.jid;
+end
+if self.opts.source then
+e.attr.from=self.opts.source
+end
+self.stream:send(e);
+end
+function a:send_message(e)
+self:send(i.message():tag("body"):text(e));
+end
+function a:set_subject(e)
+self:send(i.message():tag("subject"):text(e));
+end
+function a:leave(e)
+self.stream:event("groupchat/leaving",self);
+local t=i.presence({type="unavailable"});
+if e then
+t:tag("status"):text(e);
+end
+self:send(t);
+end
+function a:admin_set(t,e,a,o)
+self:send(i.iq({type="set"})
+:query(s.."#admin")
+:tag("item",{nick=t,[e]=a})
+:tag("reason"):text(o or""));
+end
+function a:set_role(a,t,e)
+self:admin_set(a,"role",t,e);
+end
+function a:set_affiliation(a,e,t)
+self:admin_set(a,"affiliation",e,t);
+end
+function a:kick(e,t)
+self:set_role(e,"none",t);
+end
+function a:ban(e,t)
+self:set_affiliation(e,"outcast",t);
+end
+end)
+package.preload['verse.plugins.vcard']=(function(...)
+local i=require"verse";
+local o=require"util.vcard";
+local n="vcard-temp";
+function i.plugins.vcard(a)
+function a:get_vcard(t,e)
+a:send_iq(i.iq({to=t,type="get"})
+:tag("vCard",{xmlns=n}),e and function(t)
+local a,a;
+vCard=t:get_child("vCard",n);
+if t.attr.type=="result"and vCard then
+vCard=o.from_xep54(vCard)
+e(vCard)
+else
+e(false)
+end
+end or nil);
+end
+function a:set_vcard(e,n)
+local t;
+if type(e)=="table"and e.name then
+t=e;
+elseif type(e)=="string"then
+t=o.to_xep54(o.from_text(e)[1]);
+elseif type(e)=="table"then
+t=o.to_xep54(e);
+error("Converting a table to vCard not implemented")
+end
+if not t then return false end
+a:debug("setting vcard to %s",tostring(t));
+a:send_iq(i.iq({type="set"})
+:add_child(t),n);
+end
+end
+end)
+package.preload['verse.plugins.vcard_update']=(function(...)
+local n=require"verse";
+local e,i="vcard-temp","vcard-temp:x:update";
+local e,t=pcall(function()return require("util.hashes").sha1;end);
+if not e then
+e,t=pcall(function()return require("util.sha1").sha1;end);
+if not e then
+error("Could not find a sha1()")
+end
+end
+local s=t;
+local e,t=pcall(function()
+local e=require("util.encodings").base64.decode;
+assert(e("SGVsbG8=")=="Hello")
+return e;
+end);
+if not e then
+e,t=pcall(function()return require("mime").unb64;end);
+if not e then
+error("Could not find a base64 decoder")
+end
+end
+local h=t;
+function n.plugins.vcard_update(e)
+e:add_plugin("vcard");
+e:add_plugin("presence");
+local t;
+function update_vcard_photo(o)
+local a;
+for e=1,#o do
+if o[e].name=="PHOTO"then
+a=o[e][1];
+break
+end
+end
+if a then
+local a=s(h(a),true);
+t=n.stanza("x",{xmlns=i})
+:tag("photo"):text(a);
+e:resend_presence()
+else
+t=nil;
+end
+end
+local a=e.set_vcard;
+local a;
+e:hook("ready",function(t)
+if a then return;end
+a=true;
+e:get_vcard(nil,function(t)
+if t then
+update_vcard_photo(t)
+end
+e:event("ready");
+end);
+return true;
+end,3);
+e:hook("presence-out",function(e)
+if t and not e:get_child("x",i)then
+e:add_child(t);
+end
+end,10);
+end
+end)
+package.preload['verse.plugins.carbons']=(function(...)
+local o=require"verse";
+local a="urn:xmpp:carbons:2";
+local h="urn:xmpp:forward:0";
+local n=os.time;
+local s=require"util.datetime".parse;
+local r=require"util.jid".bare;
+function o.plugins.carbons(e)
+local t={};
+t.enabled=false;
+e.carbons=t;
+function t:enable(i)
+e:send_iq(o.iq{type="set"}
+:tag("enable",{xmlns=a})
+,function(e)
+local e=e.attr.type=="result";
+if e then
+t.enabled=true;
+end
+if i then
+i(e);
+end
+end or nil);
+end
+function t:disable(i)
+e:send_iq(o.iq{type="set"}
+:tag("disable",{xmlns=a})
+,function(e)
+local e=e.attr.type=="result";
+if e then
+t.enabled=false;
+end
+if i then
+i(e);
+end
+end or nil);
+end
+local i;
+e:hook("bind-success",function()
+i=r(e.jid);
+end);
+e:hook("message",function(o)
+local t=o:get_child(nil,a);
+if o.attr.from==i and t then
+local o=t.name;
+local t=t:get_child("forwarded",h);
+local a=t and t:get_child("message","jabber:client");
+local t=t:get_child("delay","urn:xmpp:delay");
+local t=t and t.attr.stamp;
+t=t and s(t);
+if a then
+return e:event("carbon",{
+dir=o,
+stanza=a,
+timestamp=t or n(),
+});
+end
+end
+end,1);
+end
+end)
+package.preload['verse.plugins.archive']=(function(...)
+local t=require"verse";
+local e=require"util.stanza";
+local a="urn:xmpp:mam:0"
+local s="urn:xmpp:forward:0";
+local l="urn:xmpp:delay";
+local i=require"util.uuid".generate;
+local m=require"util.datetime".parse;
+local h=require"util.datetime".datetime;
+local o=require"util.dataforms".new;
+local r=require"util.rsm";
+local c={};
+local u=o{
+{name="FORM_TYPE";type="hidden";value=a;};
+{name="with";type="jid-single";};
+{name="start";type="text-single"};
+{name="end";type="text-single";};
+};
+function t.plugins.archive(n)
+function n:query_archive(o,t,d)
+local i=i();
+local o=e.iq{type="set",to=o}
+:tag("query",{xmlns=a,queryid=i});
+local e,n=tonumber(t["start"]),tonumber(t["end"]);
+t["start"]=e and h(e);
+t["end"]=n and h(n);
+o:add_child(u:form(t,"submit"));
+o:add_child(r.generate(t));
+local t={};
+local function n(o)
+local e=o:get_child("fin",a)
+if e and e.attr.queryid==i then
+local e=r.get(e);
+for a,e in pairs(e or c)do t[a]=e;end
+self:unhook("message",n);
+d(t);
+return true
+end
+local e=o:get_child("result",a);
+if e and e.attr.queryid==i then
+local a=e:get_child("forwarded",s);
+a=a or o:get_child("forwarded",s);
+local o=e.attr.id;
+local e=a:get_child("delay",l);
+local e=e and m(e.attr.stamp)or nil;
+local a=a:get_child("message","jabber:client")
+t[#t+1]={id=o,stamp=e,message=a};
+return true
+end
+end
+self:hook("message",n,1);
+self:send_iq(o,function(e)
+if e.attr.type=="error"then
+self:warn(table.concat({e:get_error()}," "))
+self:unhook("message",n);
+d(false,e:get_error())
+end
+return true
+end);
+end
+local i={
+always=true,[true]="always",
+never=false,[false]="never",
+roster="roster",
+}
+local function h(t)
+local e={};
+local a=t.attr.default;
+if a then
+e[false]=i[a];
+end
+local a=t:get_child("always");
+if a then
+for t in a:childtags("jid")do
+local t=t:get_text();
+e[t]=true;
+end
+end
+local t=t:get_child("never");
+if t then
+for t in t:childtags("jid")do
+local t=t:get_text();
+e[t]=false;
+end
+end
+return e;
+end
+local function s(o)
+local t
+t,o[false]=o[false],nil;
+if t~=nil then
+t=i[t];
+end
+local i=e.stanza("prefs",{xmlns=a,default=t})
+local t=e.stanza("always");
+local e=e.stanza("never");
+for a,o in pairs(o)do
+(o and t or e):tag("jid"):text(a):up();
+end
+return i:add_child(t):add_child(e);
+end
+function n:archive_prefs_get(t)
+self:send_iq(e.iq{type="get"}:tag("prefs",{xmlns=a}),
+function(e)
+if e and e.attr.type=="result"and e.tags[1]then
+local a=h(e.tags[1]);
+t(a,e);
+else
+t(nil,e);
+end
+end);
+end
+function n:archive_prefs_set(t,a)
+self:send_iq(e.iq{type="set"}:add_child(s(t)),a);
+end
+end
+end)
+package.preload['net.httpclient_listener']=(function(...)
+local n=require"util.logger".init("httpclient_listener");
+local i,h=table.concat,table.insert;
+local s=require"net.connlisteners".register;
+local t={};
+local e={};
+local o={default_port=80,default_mode="*a"};
+function o.onconnect(a)
+local e=t[a];
+local t={e.method or"GET"," ",e.path," HTTP/1.1\r\n"};
+if e.query then
+h(t,4,"?"..e.query);
+end
+a:write(i(t));
+local t={[2]=": ",[4]="\r\n"};
+for o,e in pairs(e.headers)do
+t[1],t[3]=o,e;
+a:write(i(t));
+end
+a:write("\r\n");
+if e.body then
+a:write(e.body);
+end
+end
+function o.onincoming(o,a)
+local e=t[o];
+if not e then
+n("warn","Received response from connection %s with no request attached!",tostring(o));
+return;
+end
+if a and e.reader then
+e:reader(a);
+end
+end
+function o.ondisconnect(a,e)
+local e=t[a];
+if e and e.conn then
+e:reader(nil);
+end
+t[a]=nil;
+end
+function o.register_request(a,e)
+n("debug","Attaching request %s to connection %s",tostring(e.id or e),tostring(a));
+t[a]=e;
+end
+s("httpclient",o);
+end)
+package.preload['net.connlisteners']=(function(...)
+local h=(CFG_SOURCEDIR or".").."/net/";
+local u=require"net.server";
+local o=require"util.logger".init("connlisteners");
+local i=tostring;
+local d=type
+local r=ipairs
+local n,c,s=
+dofile,xpcall,error
+local l=debug.traceback;
+module"connlisteners"
+local e={};
+function register(t,a)
+if e[t]and e[t]~=a then
+o("debug","Listener %s is already registered, not registering any more",t);
+return false;
+end
+e[t]=a;
+o("debug","Registered connection listener %s",t);
+return true;
+end
+function deregister(t)
+e[t]=nil;
+end
+function get(t)
+local a=e[t];
+if not a then
+local s,n=c(function()n(h..t:gsub("[^%w%-]","_").."_listener.lua")end,l);
+if not s then
+o("error","Error while loading listener '%s': %s",i(t),i(n));
+return nil,n;
+end
+a=e[t];
+end
+return a;
+end
+function start(i,e)
+local a,t=get(i);
+if not a then
+s("No such connection module: "..i..(t and(" ("..t..")")or""),0);
+end
+local o=(e and e.interface)or a.default_interface or"*";
+if d(o)=="string"then o={o};end
+local h=(e and e.port)or a.default_port or s("Can't start listener "..i.." because no port was specified, and it has no default port",0);
+local s=(e and e.mode)or a.default_mode or 1;
+local n=(e and e.ssl)or nil;
+local i=e and e.type=="ssl";
+if i and not n then
+return nil,"no ssl context";
+end
+ok,t=true,{};
+for e,o in r(o)do
+local e
+e,t[o]=u.addserver(o,h,a,s,i and n or nil);
+ok=ok and e;
+end
+return ok,t;
+end
+return _M;
+end)
+package.preload['util.httpstream']=(function(...)
+local t=coroutine;
+local n=tonumber;
+local h=t.create(function()end);
+t.resume(h);
+module("httpstream")
+local function c(l,o,d)
+local e=t.yield();
+local function i()
+local a=e:find("\r\n",nil,true);
+while not a do
+e=e..t.yield();
+a=e:find("\r\n",nil,true);
+end
+local t=e:sub(1,a-1);
+e=e:sub(a+2);
+return t;
+end
+local function h(a)
+while#e<a do
+e=e..t.yield();
+end
+local t=e:sub(1,a);
+e=e:sub(a+1);
+return t;
+end
+local function r()
+local a={};
+while true do
+local e=i();
+if e==""then break;end
+local e,o=e:match("^([^%s:]+): *(.*)$");
+if not e then t.yield("invalid-header-line");end
+e=e:lower();
+a[e]=a[e]and a[e]..","..o or o;
+end
+return a;
+end
+if not o or o=="server"then
+while true do
+local e=i();
+local a,e,i=e:match("^(%S+)%s+(%S+)%s+HTTP/(%S+)$");
+if not a then t.yield("invalid-status-line");end
+e=e:gsub("^//+","/");
+local o=r();
+local t=n(o["content-length"]);
+t=t or 0;
+local t=h(t);
+l({
+method=a;
+path=e;
+httpversion=i;
+headers=o;
+body=t;
+});
+end
+elseif o=="client"then
+while true do
+local a=i();
+local u,a,o=a:match("^HTTP/(%S+)%s+(%d%d%d)%s+(.*)$");
+a=n(a);
+if not a then t.yield("invalid-status-line");end
+local s=r();
+local d=not
+((d and d().method=="HEAD")
+or(a==204 or a==304 or a==301)
+or(a>=100 and a<200));
+local o;
+if d then
+local a=n(s["content-length"]);
+if s["transfer-encoding"]=="chunked"then
+o="";
+while true do
+local e=i():match("^%x+");
+if not e then t.yield("invalid-chunk-size");end
+e=n(e,16)
+if e==0 then break;end
+o=o..h(e);
+if i()~=""then t.yield("invalid-chunk-ending");end
+end
+local e=r();
+elseif a then
+o=h(a);
+else
+repeat
+local t=t.yield();
+e=e..t;
+until t=="";
+o,e=e,"";
+end
+end
+l({
+code=a;
+httpversion=u;
+headers=s;
+body=o;
+responseversion=u;
+responseheaders=s;
+});
+end
+else t.yield("unknown-parser-type");end
+end
+function new(n,i,o,a)
+local e=t.create(c);
+t.resume(e,n,o,a)
+return{
+feed=function(n,a)
+if not a then
+if o=="client"then t.resume(e,"");end
+e=h;
+return i();
+end
+local a,t=t.resume(e,a);
+if t then
+e=h;
+return i(t);
+end
+end;
+};
+end
+return _M;
+end)
+package.preload['net.http']=(function(...)
+local c=require"socket"
+local u=require"mime"
+local h=require"socket.url"
+local f=require"util.httpstream".new;
+local m=require"net.server"
+local e=require"net.connlisteners".get;
+local n=e("httpclient")or error("No httpclient listener!");
+local o,s=table.insert,table.concat;
+local i,p=pairs,ipairs;
+local d,l,w,y,v,a,t=
+tonumber,tostring,xpcall,select,debug.traceback,string.char,string.format;
+local r=require"util.logger".init("http");
+module"http"
+function urlencode(e)return e and(e:gsub("%W",function(e)return t("%%%02x",e:byte());end));end
+function urldecode(e)return e and(e:gsub("%%(%x%x)",function(e)return a(d(e,16));end));end
+local function e(e)
+return e and(e:gsub("%W",function(e)
+if e~=" "then
+return t("%%%02x",e:byte());
+else
+return"+";
+end
+end));
+end
+function formencode(t)
+local a={};
+if t[1]then
+for i,t in p(t)do
+o(a,e(t.name).."="..e(t.value));
+end
+else
+for t,i in i(t)do
+o(a,e(t).."="..e(i));
+end
+end
+return s(a,"&");
+end
+function formdecode(e)
+if not e:match("=")then return urldecode(e);end
+local a={};
+for t,e in e:gmatch("([^=&]*)=([^&]*)")do
+t,e=t:gsub("%+","%%20"),e:gsub("%+","%%20");
+t,e=urldecode(t),urldecode(e);
+o(a,{name=t,value=e});
+a[t]=e;
+end
+return a;
+end
+local function p(e,a,t)
+if not e.parser then
+if not a then return;end
+local function o(t)
+if e.callback then
+for a,t in i(t)do e[a]=t;end
+e.callback(t.body,t.code,e,t);
+e.callback=nil;
+end
+destroy_request(e);
+end
+local function a(t)
+if e.callback then
+e.callback(t or"connection-closed",0,e);
+e.callback=nil;
+end
+destroy_request(e);
+end
+local function t()
+return e;
+end
+e.parser=f(o,a,"client",t);
+end
+e.parser:feed(a);
+end
+local function f(e)r("error","Traceback[http]: %s: %s",l(e),v());end
+function request(e,t,s)
+local e=h.parse(e);
+if not(e and e.host)then
+s(nil,0,e);
+return nil,"invalid-url";
+end
+if not e.path then
+e.path="/";
+end
+local h,a,o;
+a={
+["Host"]=e.host;
+["User-Agent"]="Prosody XMPP Server";
+};
+if e.userinfo then
+a["Authorization"]="Basic "..u.b64(e.userinfo);
+end
+if t then
+e.onlystatus=t.onlystatus;
+o=t.body;
+if o then
+h="POST";
+a["Content-Length"]=l(#o);
+a["Content-Type"]="application/x-www-form-urlencoded";
+end
+if t.method then h=t.method;end
+if t.headers then
+for t,e in i(t.headers)do
+a[t]=e;
+end
+end
+end
+e.method,e.headers,e.body=h,a,o;
+local o=e.scheme=="https";
+local i=d(e.port)or(o and 443 or 80);
+local t=c.tcp();
+t:settimeout(10);
+local h,a=t:connect(e.host,i);
+if not h and a~="timeout"then
+s(nil,0,e);
+return nil,a;
+end
+e.handler,e.conn=m.wrapclient(t,e.host,i,n,"*a",o and{mode="client",protocol="sslv23"});
+e.write=function(...)return e.handler:write(...);end
+e.callback=function(o,t,a,i)r("debug","Calling callback, status %s",t or"---");return y(2,w(function()return s(o,t,a,i)end,f));end
+e.reader=p;
+e.state="status";
+n.register_request(e.handler,e);
+return e;
+end
+function destroy_request(e)
+if e.conn then
+e.conn=nil;
+e.handler:close()
+n.ondisconnect(e.handler,"closed");
+end
+end
+_M.urlencode=urlencode;
+return _M;
+end)
+package.preload['verse.bosh']=(function(...)
+local n=require"util.xmppstream".new;
+local r=require"util.stanza";
+require"net.httpclient_listener";
+local i=require"net.http";
+local e=setmetatable({},{__index=verse.stream_mt});
+e.__index=e;
+local h="http://etherx.jabber.org/streams";
+local s="http://jabber.org/protocol/httpbind";
+local o=5;
+function verse.new_bosh(a,t)
+local t={
+bosh_conn_pool={};
+bosh_waiting_requests={};
+bosh_rid=math.random(1,999999);
+bosh_outgoing_buffer={};
+bosh_url=t;
+conn={};
+};
+function t:reopen()
+self.bosh_need_restart=true;
+self:flush();
+end
+local t=verse.new(a,t);
+return setmetatable(t,e);
+end
+function e:connect()
+self:_send_session_request();
+end
+function e:send(e)
+self:debug("Putting into BOSH send buffer: %s",tostring(e));
+self.bosh_outgoing_buffer[#self.bosh_outgoing_buffer+1]=r.clone(e);
+self:flush();
+end
+function e:flush()
+if self.connected
+and#self.bosh_waiting_requests<self.bosh_max_requests
+and(#self.bosh_waiting_requests==0
+or#self.bosh_outgoing_buffer>0
+or self.bosh_need_restart)then
+self:debug("Flushing...");
+local t=self:_make_body();
+local e=self.bosh_outgoing_buffer;
+for o,a in ipairs(e)do
+t:add_child(a);
+e[o]=nil;
+end
+self:_make_request(t);
+else
+self:debug("Decided not to flush.");
+end
+end
+function e:_make_request(a)
+local e,t=i.request(self.bosh_url,{body=tostring(a)},function(i,e,t)
+if e~=0 then
+self.inactive_since=nil;
+return self:_handle_response(i,e,t);
+end
+local e=os.time();
+if not self.inactive_since then
+self.inactive_since=e;
+elseif e-self.inactive_since>self.bosh_max_inactivity then
+return self:_disconnected();
+else
+self:debug("%d seconds left to reconnect, retrying in %d seconds...",
+self.bosh_max_inactivity-(e-self.inactive_since),o);
+end
+timer.add_task(o,function()
+self:debug("Retrying request...");
+for a,e in ipairs(self.bosh_waiting_requests)do
+if e==t then
+table.remove(self.bosh_waiting_requests,a);
+break;
+end
+end
+self:_make_request(a);
+end);
+end);
+if e then
+table.insert(self.bosh_waiting_requests,e);
+else
+self:warn("Request failed instantly: %s",t);
+end
+end
+function e:_disconnected()
+self.connected=nil;
+self:event("disconnected");
+end
+function e:_send_session_request()
+local e=self:_make_body();
+e.attr.hold="1";
+e.attr.wait="60";
+e.attr["xml:lang"]="en";
+e.attr.ver="1.6";
+e.attr.from=self.jid;
+e.attr.to=self.host;
+e.attr.secure='true';
+i.request(self.bosh_url,{body=tostring(e)},function(e,t)
+if t==0 then
+return self:_disconnected();
+end
+local e=self:_parse_response(e)
+if not e then
+self:warn("Invalid session creation response");
+self:_disconnected();
+return;
+end
+self.bosh_sid=e.attr.sid;
+self.bosh_wait=tonumber(e.attr.wait);
+self.bosh_hold=tonumber(e.attr.hold);
+self.bosh_max_inactivity=tonumber(e.attr.inactivity);
+self.bosh_max_requests=tonumber(e.attr.requests)or self.bosh_hold;
+self.connected=true;
+self:event("connected");
+self:_handle_response_payload(e);
+end);
+end
+function e:_handle_response(o,t,e)
+if self.bosh_waiting_requests[1]~=e then
+self:warn("Server replied to request that wasn't the oldest");
+for t,a in ipairs(self.bosh_waiting_requests)do
+if a==e then
+self.bosh_waiting_requests[t]=nil;
+break;
+end
+end
+else
+table.remove(self.bosh_waiting_requests,1);
+end
+local e=self:_parse_response(o);
+if e then
+self:_handle_response_payload(e);
+end
+self:flush();
+end
+function e:_handle_response_payload(t)
+local e=t.tags;
+for t=1,#e do
+local e=e[t];
+if e.attr.xmlns==h then
+self:event("stream-"..e.name,e);
+elseif e.attr.xmlns then
+self:event("stream/"..e.attr.xmlns,e);
+else
+self:event("stanza",e);
+end
+end
+if t.attr.type=="terminate"then
+self:_disconnected({reason=t.attr.condition});
+end
+end
+local a={
+stream_ns="http://jabber.org/protocol/httpbind",stream_tag="body",
+default_ns="jabber:client",
+streamopened=function(e,t)e.notopen=nil;e.payload=verse.stanza("body",t);return true;end;
+handlestanza=function(t,e)t.payload:add_child(e);end;
+};
+function e:_parse_response(e)
+self:debug("Parsing response: %s",e);
+if e==nil then
+self:debug("%s",debug.traceback());
+self:_disconnected();
+return;
+end
+local t={notopen=true,stream=self};
+local a=n(t,a);
+a:feed(e);
+return t.payload;
+end
+function e:_make_body()
+self.bosh_rid=self.bosh_rid+1;
+local e=verse.stanza("body",{
+xmlns=s;
+content="text/xml; charset=utf-8";
+sid=self.bosh_sid;
+rid=self.bosh_rid;
+});
+if self.bosh_need_restart then
+self.bosh_need_restart=nil;
+e.attr.restart='true';
+end
+return e;
+end
+end)
+package.preload['verse.client']=(function(...)
+local t=require"verse";
+local i=t.stream_mt;
+local s=require"util.jid".split;
+local r=require"net.adns";
+local e=require"lxp";
+local a=require"util.stanza";
+t.message,t.presence,t.iq,t.stanza,t.reply,t.error_reply=
+a.message,a.presence,a.iq,a.stanza,a.reply,a.error_reply;
+local h=require"util.xmppstream".new;
+local n="http://etherx.jabber.org/streams";
+local function d(t,e)
+return t.priority<e.priority or(t.priority==e.priority and t.weight>e.weight);
+end
+local o={
+stream_ns=n,
+stream_tag="stream",
+default_ns="jabber:client"};
+function o.streamopened(e,t)
+e.stream_id=t.id;
+if not e:event("opened",t)then
+e.notopen=nil;
+end
+return true;
+end
+function o.streamclosed(e)
+e.notopen=true;
+if not e.closed then
+e:send("</stream:stream>");
+e.closed=true;
+end
+e:event("closed");
+return e:close("stream closed")
+end
+function o.handlestanza(t,e)
+if e.attr.xmlns==n then
+return t:event("stream-"..e.name,e);
+elseif e.attr.xmlns then
+return t:event("stream/"..e.attr.xmlns,e);
+end
+return t:event("stanza",e);
+end
+function o.error(a,t,e)
+if a:event(t,e)==nil then
+if e then
+local t=e:get_child(nil,"urn:ietf:params:xml:ns:xmpp-streams");
+local e=e:get_child_text("text","urn:ietf:params:xml:ns:xmpp-streams");
+error(t.name..(e and": "..e or""));
+else
+error(e and e.name or t or"unknown-error");
+end
+end
+end
+function i:reset()
+if self.stream then
+self.stream:reset();
+else
+self.stream=h(self,o);
+end
+self.notopen=true;
+return true;
+end
+function i:connect_client(e,a)
+self.jid,self.password=e,a;
+self.username,self.host,self.resource=s(e);
+self:add_plugin("tls");
+self:add_plugin("sasl");
+self:add_plugin("bind");
+self:add_plugin("session");
+function self.data(t,e)
+local a,t=self.stream:feed(e);
+if a then return;end
+self:debug("debug","Received invalid XML (%s) %d bytes: %s",tostring(t),#e,e:sub(1,300):gsub("[\r\n]+"," "));
+self:close("xml-not-well-formed");
+end
+self:hook("connected",function()self:reopen();end);
+self:hook("incoming-raw",function(e)return self.data(self.conn,e);end);
+self.curr_id=0;
+self.tracked_iqs={};
+self:hook("stanza",function(e)
+local t,a=e.attr.id,e.attr.type;
+if t and e.name=="iq"and(a=="result"or a=="error")and self.tracked_iqs[t]then
+self.tracked_iqs[t](e);
+self.tracked_iqs[t]=nil;
+return true;
+end
+end);
+self:hook("stanza",function(e)
+local a;
+if e.attr.xmlns==nil or e.attr.xmlns=="jabber:client"then
+if e.name=="iq"and(e.attr.type=="get"or e.attr.type=="set")then
+local o=e.tags[1]and e.tags[1].attr.xmlns;
+if o then
+a=self:event("iq/"..o,e);
+if not a then
+a=self:event("iq",e);
+end
+end
+if a==nil then
+self:send(t.error_reply(e,"cancel","service-unavailable"));
+return true;
+end
+else
+a=self:event(e.name,e);
+end
+end
+return a;
+end,-1);
+self:hook("outgoing",function(e)
+if e.name then
+self:event("stanza-out",e);
+end
+end);
+self:hook("stanza-out",function(e)
+if not e.attr.xmlns then
+self:event(e.name.."-out",e);
+end
+end);
+local function e()
+self:event("ready");
+end
+self:hook("session-success",e,-1)
+self:hook("bind-success",e,-1);
+local t=self.close;
+function self:close(e)
+self.close=t;
+if not self.closed then
+self:send("</stream:stream>");
+self.closed=true;
+else
+return self:close(e);
+end
+end
+local function a()
+self:connect(self.connect_host or self.host,self.connect_port or 5222);
+end
+if not(self.connect_host or self.connect_port)then
+r.lookup(function(t)
+if t then
+local e={};
+self.srv_hosts=e;
+for a,t in ipairs(t)do
+table.insert(e,t.srv);
+end
+table.sort(e,d);
+local t=e[1];
+self.srv_choice=1;
+if t then
+self.connect_host,self.connect_port=t.target,t.port;
+self:debug("Best record found, will connect to %s:%d",self.connect_host or self.host,self.connect_port or 5222);
+end
+self:hook("disconnected",function()
+if self.srv_hosts and self.srv_choice<#self.srv_hosts then
+self.srv_choice=self.srv_choice+1;
+local e=e[self.srv_choice];
+self.connect_host,self.connect_port=e.target,e.port;
+a();
+return true;
+end
+end,1e3);
+self:hook("connected",function()
+self.srv_hosts=nil;
+end,1e3);
+end
+a();
+end,"_xmpp-client._tcp."..(self.host)..".","SRV");
+else
+a();
+end
+end
+function i:reopen()
+self:reset();
+self:send(a.stanza("stream:stream",{to=self.host,["xmlns:stream"]='http://etherx.jabber.org/streams',
+xmlns="jabber:client",version="1.0"}):top_tag());
+end
+function i:send_iq(e,a)
+local t=self:new_id();
+self.tracked_iqs[t]=a;
+e.attr.id=t;
+self:send(e);
+end
+function i:new_id()
+self.curr_id=self.curr_id+1;
+return tostring(self.curr_id);
+end
+end)
+package.preload['verse.component']=(function(...)
+local t=require"verse";
+local a=t.stream_mt;
+local d=require"util.jid".split;
+local e=require"lxp";
+local o=require"util.stanza";
+local r=require"util.sha1".sha1;
+t.message,t.presence,t.iq,t.stanza,t.reply,t.error_reply=
+o.message,o.presence,o.iq,o.stanza,o.reply,o.error_reply;
+local h=require"util.xmppstream".new;
+local s="http://etherx.jabber.org/streams";
+local i="jabber:component:accept";
+local n={
+stream_ns=s,
+stream_tag="stream",
+default_ns=i};
+function n.streamopened(e,t)
+e.stream_id=t.id;
+if not e:event("opened",t)then
+e.notopen=nil;
+end
+return true;
+end
+function n.streamclosed(e)
+return e:event("closed");
+end
+function n.handlestanza(t,e)
+if e.attr.xmlns==s then
+return t:event("stream-"..e.name,e);
+elseif e.attr.xmlns or e.name=="handshake"then
+return t:event("stream/"..(e.attr.xmlns or i),e);
+end
+return t:event("stanza",e);
+end
+function a:reset()
+if self.stream then
+self.stream:reset();
+else
+self.stream=h(self,n);
+end
+self.notopen=true;
+return true;
+end
+function a:connect_component(e,n)
+self.jid,self.password=e,n;
+self.username,self.host,self.resource=d(e);
+function self.data(t,e)
+local o,t=self.stream:feed(e);
+if o then return;end
+a:debug("debug","Received invalid XML (%s) %d bytes: %s",tostring(t),#e,e:sub(1,300):gsub("[\r\n]+"," "));
+a:close("xml-not-well-formed");
+end
+self:hook("incoming-raw",function(e)return self.data(self.conn,e);end);
+self.curr_id=0;
+self.tracked_iqs={};
+self:hook("stanza",function(e)
+local t,a=e.attr.id,e.attr.type;
+if t and e.name=="iq"and(a=="result"or a=="error")and self.tracked_iqs[t]then
+self.tracked_iqs[t](e);
+self.tracked_iqs[t]=nil;
+return true;
+end
+end);
+self:hook("stanza",function(e)
+local a;
+if e.attr.xmlns==nil or e.attr.xmlns=="jabber:client"then
+if e.name=="iq"and(e.attr.type=="get"or e.attr.type=="set")then
+local o=e.tags[1]and e.tags[1].attr.xmlns;
+if o then
+a=self:event("iq/"..o,e);
+if not a then
+a=self:event("iq",e);
+end
+end
+if a==nil then
+self:send(t.error_reply(e,"cancel","service-unavailable"));
+return true;
+end
+else
+a=self:event(e.name,e);
+end
+end
+return a;
+end,-1);
+self:hook("opened",function(e)
+print(self.jid,self.stream_id,e.id);
+local e=r(self.stream_id..n,true);
+self:send(o.stanza("handshake",{xmlns=i}):text(e));
+self:hook("stream/"..i,function(e)
+if e.name=="handshake"then
+self:event("authentication-success");
+end
+end);
+end);
+local function e()
+self:event("ready");
+end
+self:hook("authentication-success",e,-1);
+self:connect(self.connect_host or self.host,self.connect_port or 5347);
+self:reopen();
+end
+function a:reopen()
+self:reset();
+self:send(o.stanza("stream:stream",{to=self.jid,["xmlns:stream"]='http://etherx.jabber.org/streams',
+xmlns=i,version="1.0"}):top_tag());
+end
+function a:close(t)
+if not self.notopen then
+self:send("</stream:stream>");
+end
+local e=self.conn.disconnect();
+self.conn:close();
+e(conn,t);
+end
+function a:send_iq(t,a)
+local e=self:new_id();
+self.tracked_iqs[e]=a;
+t.attr.id=e;
+self:send(t);
+end
+function a:new_id()
+self.curr_id=self.curr_id+1;
+return tostring(self.curr_id);
+end
+end)
+pcall(require,"luarocks.require");
+local s=require"socket";
+pcall(require,"ssl");
+local a=require"net.server";
+local n=require"util.events";
+local o=require"util.logger";
+module("verse",package.seeall);
+local e=_M;
+_M.server=a;
+local t={};
+t.__index=t;
+stream_mt=t;
+e.plugins={};
+function e.init(...)
+for e=1,select("#",...)do
+local t,a=pcall(require,"verse."..select(e,...));
+if not t then
+error("Verse connection module not found: verse."..select(e,...).."\n"..a);
+end
+end
+return e;
+end
+local i=0;
+function e.new(o,a)
+local t=setmetatable(a or{},t);
+i=i+1;
+t.id=tostring(i);
+t.logger=o or e.new_logger("stream"..t.id);
+t.events=n.new();
+t.plugins={};
+t.verse=e;
+return t;
+end
+e.add_task=require"util.timer".add_task;
+e.logger=o.init;
+e.new_logger=o.init;
+e.log=e.logger("verse");
+local function i(a,...)
+local e,o,t=0,{...},select('#',...);
+return(a:gsub("%%(.)",function(a)if e<=t then e=e+1;return tostring(o[e]);end end));
+end
+function e.set_log_handler(e,t)
+t=t or{"debug","info","warn","error"};
+o.reset();
+if io.type(e)=="file"then
+local t=e;
+function e(a,e,o)
+t:write(a,"\t",e,"\t",o,"\n");
+end
+end
+if e then
+local function a(t,a,o,...)
+return e(t,a,i(o,...));
+end
+for t,e in ipairs(t)do
+o.add_level_sink(e,a);
+end
+end
+end
+function _default_log_handler(o,a,t)
+return io.stderr:write(o,"\t",a,"\t",t,"\n");
+end
+e.set_log_handler(_default_log_handler,{"error"});
+local function o(t)
+e.log("error","Error: %s",t);
+e.log("error","Traceback: %s",debug.traceback());
+end
+function e.set_error_handler(e)
+o=e;
+end
+function e.loop()
+return xpcall(a.loop,o);
+end
+function e.step()
+return xpcall(a.step,o);
+end
+function e.quit()
+return a.setquitting(true);
+end
+function t:listen(t,e)
+t=t or"localhost";
+e=e or 0;
+local a,o=a.addserver(t,e,new_listener(self,"server"),"*a");
+if a then
+self:debug("Bound to %s:%s",t,e);
+self.server=a;
+end
+return a,o;
+end
+function t:connect(t,o)
+t=t or"localhost";
+o=tonumber(o)or 5222;
+local i=s.tcp()
+i:settimeout(0);
+local n,e=i:connect(t,o);
+if not n and e~="timeout"then
+self:warn("connect() to %s:%d failed: %s",t,o,e);
+return self:event("disconnected",{reason=e})or false,e;
+end
+local t=a.wrapclient(i,t,o,new_listener(self),"*a");
+if not t then
+self:warn("connection initialisation failed: %s",e);
+return self:event("disconnected",{reason=e})or false,e;
+end
+self:set_conn(t);
+return true;
+end
+function t:set_conn(t)
+self.conn=t;
+self.send=function(a,e)
+self:event("outgoing",e);
+e=tostring(e);
+self:event("outgoing-raw",e);
+return t:write(e);
+end;
+end
+function t:close(t)
+if not self.conn then
+e.log("error","Attempt to close disconnected connection - possibly a bug");
+return;
+end
+local e=self.conn.disconnect();
+self.conn:close();
+e(self.conn,t);
+end
+function t:debug(...)
+return self.logger("debug",...);
+end
+function t:info(...)
+return self.logger("info",...);
+end
+function t:warn(...)
+return self.logger("warn",...);
+end
+function t:error(...)
+return self.logger("error",...);
+end
+function t:event(e,...)
+self:debug("Firing event: "..tostring(e));
+return self.events.fire_event(e,...);
+end
+function t:hook(e,...)
+return self.events.add_handler(e,...);
+end
+function t:unhook(t,e)
+return self.events.remove_handler(t,e);
+end
+function e.eventable(e)
+e.events=n.new();
+e.hook,e.unhook=t.hook,t.unhook;
+local t=e.events.fire_event;
+function e:event(e,...)
+return t(e,...);
+end
+return e;
+end
+function t:add_plugin(t)
+if self.plugins[t]then return true;end
+if require("verse.plugins."..t)then
+local a,e=e.plugins[t](self);
+if a~=false then
+self:debug("Loaded %s plugin",t);
+self.plugins[t]=true;
+else
+self:warn("Failed to load %s plugin: %s",t,e);
+end
+end
+return self;
+end
+function new_listener(t)
+local a={};
+function a.onconnect(a)
+if t.server then
+local e=e.new();
+a:setlistener(new_listener(e));
+e:set_conn(a);
+t:event("connected",{client=e});
+else
+t.connected=true;
+t:event("connected");
+end
+end
+function a.onincoming(a,e)
+t:event("incoming-raw",e);
+end
+function a.ondisconnect(a,e)
+if a~=t.conn then return end
+t.connected=false;
+t:event("disconnected",{reason=e});
+end
+function a.ondrain(e)
+t:event("drained");
+end
+function a.onstatus(a,e)
+t:event("status",e);
+end
+return a;
+end
+return e;

Mercurial > scansion / file comparison

comparison: verse.lua

verse.lua