verse.lua

package.preload['util.encodings']=(function(...)
local function e()
error("Function not implemented");
end
local e=require"mime";
return{
stringprep={};
base64={encode=e.b64,decode=e.unb64};
};
end)
package.preload['util.hashes']=(function(...)
local t,e=pcall(require,"crypto");
if t then
local t={};
local o=e.digest;
local function s(e)
return function(t,a)
return o(e,t,not a);
end
end
local e=e.hmac.digest;
local function n(o)
return function(i,a,t)
return e(o,a,i,not t);
end
end
local e={"md5","sha1","sha256","sha512"};
for a,e in ipairs(e)do
t[e]=s(e);
t["hmac_"..e]=n(e);
end
return t;
else
local t=require"util.sha1".sha1;
local s=require"bit".bxor;
local a=string.rep;
local n=string.char;
local d=string.byte;
local i=table.concat;
local function r(e,h,r)
if#e>64 then
e=t(e);
elseif#e<64 then
e=e..a("\0",64-#e);
end
local o,a={},{}
for t=1,64 do
local e=d(e,t)
o[t]=n(s(e,92));
a[t]=n(s(e,54));
end
o=i(o);
a=i(a);
return t(o..t(a..h),r);
end
return{
sha1=t;
hmac_sha1=r;
};
end
end)
package.preload['util.sha1']=(function(...)
local r=string.len
local o=string.char
local j=string.byte
local q=string.sub
local h=math.floor
local t=require"bit"
local g=t.bnot
local e=t.band
local y=t.bor
local n=t.bxor
local a=t.lshift
local i=t.rshift
local m,d,c,l,u
local function p(e,t)
return a(e,t)+i(e,32-t)
end
local function s(i)
local t,a
local t=""
for n=1,8 do
a=e(i,15)
if(a<10)then
t=o(a+48)..t
else
t=o(a+87)..t
end
i=h(i/16)
end
return t
end
local function k(t)
local i,a
local n=""
i=r(t)*8
t=t..o(128)
a=56-e(r(t),63)
if(a<0)then
a=a+64
end
for e=1,a do
t=t..o(0)
end
for t=1,8 do
n=o(e(i,255))..n
i=h(i/256)
end
return t..n
end
local function b(f)
local s,t,i,o,w,h,r,v
local a,a
local a={}
while(f~="")do
for e=0,15 do
a[e]=0
for t=1,4 do
a[e]=a[e]*256+j(f,e*4+t)
end
end
for e=16,79 do
a[e]=p(n(n(a[e-3],a[e-8]),n(a[e-14],a[e-16])),1)
end
s=m
t=d
i=c
o=l
w=u
for d=0,79 do
if(d<20)then
h=y(e(t,i),e(g(t),o))
r=1518500249
elseif(d<40)then
h=n(n(t,i),o)
r=1859775393
elseif(d<60)then
h=y(y(e(t,i),e(t,o)),e(i,o))
r=2400959708
else
h=n(n(t,i),o)
r=3395469782
end
v=p(s,5)+h+w+r+a[d]
w=o
o=i
i=p(t,30)
t=s
s=v
end
m=e(m+s,4294967295)
d=e(d+t,4294967295)
c=e(c+i,4294967295)
l=e(l+o,4294967295)
u=e(u+w,4294967295)
f=q(f,65)
end
end
local function t(e,t)
e=k(e)
m=1732584193
d=4023233417
c=2562383102
l=271733878
u=3285377520
b(e)
local e=s(m)..s(d)..s(c)
..s(l)..s(u);
if t then
return e;
else
return(e:gsub("..",function(e)
return string.char(tonumber(e,16));
end));
end
end
_G.sha1={sha1=t};
return _G.sha1;
end)
package.preload['lib.adhoc']=(function(...)
local s,r=require"util.stanza",require"util.uuid";
local e="http://jabber.org/protocol/commands";
local i={}
local h={};
local function n(o,i,t,a)
local e=s.stanza("command",{xmlns=e,node=o.node,status=i});
if t then e.attr.sessionid=t;end
if a then e.attr.action=a;end
return e;
end
function h.new(o,a,t,e)
return{name=o,node=a,handler=t,cmdtag=n,permission=(e or"user")};
end
function h.handle_cmd(o,h,t)
local e=t.tags[1].attr.sessionid or r.generate();
local a={};
a.to=t.attr.to;
a.from=t.attr.from;
a.action=t.tags[1].attr.action or"execute";
a.form=t.tags[1]:child_with_ns("jabber:x:data");
local a,n=o:handler(a,i[e]);
i[e]=n;
local n=s.reply(t);
local t;
if a.status=="completed"then
i[e]=nil;
t=o:cmdtag("completed",e);
elseif a.status=="canceled"then
i[e]=nil;
t=o:cmdtag("canceled",e);
elseif a.status=="error"then
i[e]=nil;
n=s.error_reply(n,a.error.type,a.error.condition,a.error.message);
h.send(n);
return true;
else
t=o:cmdtag("executing",e);
end
for a,e in pairs(a)do
if a=="info"then
t:tag("note",{type="info"}):text(e):up();
elseif a=="warn"then
t:tag("note",{type="warn"}):text(e):up();
elseif a=="error"then
t:tag("note",{type="error"}):text(e.message):up();
elseif a=="actions"then
local a=s.stanza("actions");
for i,e in ipairs(e)do
if(e=="prev")or(e=="next")or(e=="complete")then
a:tag(e):up();
else
module:log("error",'Command "'..o.name..
'" at node "'..o.node..'" provided an invalid action "'..e..'"');
end
end
t:add_child(a);
elseif a=="form"then
t:add_child((e.layout or e):form(e.values));
elseif a=="result"then
t:add_child((e.layout or e):form(e.values,"result"));
elseif a=="other"then
t:add_child(e);
end
end
n:add_child(t);
h.send(n);
return true;
end
return h;
end)
package.preload['util.stanza']=(function(...)
local t=table.insert;
local d=table.remove;
local y=table.concat;
local h=string.format;
local l=string.match;
local f=tostring;
local m=setmetatable;
local p=getmetatable;
local n=pairs;
local o=ipairs;
local i=type;
local b=string.gsub;
local w=string.sub;
local c=string.find;
local e=os;
local u=not e.getenv("WINDIR");
local r,a;
if u then
local t,e=pcall(require,"util.termcolours");
if t then
r,a=e.getstyle,e.getstring;
else
u=nil;
end
end
local v="urn:ietf:params:xml:ns:xmpp-stanzas";
local e=nil;
local e={__type="stanza"};
e.__index=e;
local function s(t,a)
local t={name=t,attr=a or{},tags={}};
return m(t,e);
end
local function k(t)
return p(t)==e;
end
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(e,a)
local a=s(e,a);
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 d(e);end
return self;
end
function e:reset()
self.last_add=nil;
return self;
end
function e:add_direct_child(e)
if i(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(t,a)
for o,e in o(self.tags)do
if(not t or e.name==t)
and((not a and self.attr.xmlns==e.attr.xmlns)
or e.attr.xmlns==a)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 o(self.tags)do
if e.name==t then return e;end
end
end
function e:child_with_ns(t)
for a,e in o(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(o,i)
local e=self.tags;
local a,t=1,#e;
return function()
for t=a,t do
local e=e[t];
if(not o or e.name==o)
and((not i and self.attr.xmlns==e.attr.xmlns)
or e.attr.xmlns==i)then
a=t+1;
return e;
end
end
end;
end
function e:maptags(i)
local o,e=self.tags,1;
local n,a=#self,#o;
local t=1;
while e<=a and a>0 do
if self[t]==o[e]then
local i=i(self[t]);
if i==nil then
d(self,t);
d(o,e);
n=n-1;
a=a-1;
t=t-1;
e=e-1;
else
self[t]=i;
o[e]=i;
end
e=e+1;
end
t=t+1;
end
return self;
end
function e:find(a)
local e=1;
local s=#a+1;
repeat
local o,t,n;
local i=w(a,e,e);
if i=="@"then
return self.attr[w(a,e+1)];
elseif i=="{"then
o,e=l(a,"^([^}]+)}()",e+1);
end
t,n,e=l(a,"^([^@/#]*)([/#]?)()",e);
t=t~=""and t or nil;
if e==s then
if n=="#"then
return self:get_child_text(t,o);
end
return self:get_child(t,o);
end
self=self:get_child(t,o);
until not self
end
local w={["'"]="&apos;",["\""]="&quot;",["<"]="&lt;",[">"]="&gt;",["&"]="&amp;"};
local function d(e)return(b(e,"['&<>\"]",w));end
local function w(o,e,h,a,r)
local i=0;
local s=o.name
t(e,"<"..s);
for o,n in n(o.attr)do
if c(o,"\1",1,true)then
local o,s=l(o,"^([^\1]*)\1?(.*)$");
i=i+1;
t(e," xmlns:ns"..i.."='"..a(o).."' ".."ns"..i..":"..s.."='"..a(n).."'");
elseif not(o=="xmlns"and n==r)then
t(e," "..o.."='"..a(n).."'");
end
end
local i=#o;
if i==0 then
t(e,"/>");
else
t(e,">");
for i=1,i do
local i=o[i];
if i.name then
h(i,e,h,a,o.attr.xmlns);
else
t(e,a(i));
end
end
t(e,"</"..s..">");
end
end
function e.__tostring(t)
local e={};
w(t,e,w,d,nil);
return y(e);
end
function e.top_tag(e)
local t="";
if e.attr then
for e,a in n(e.attr)do if i(e)=="string"then t=t..h(" %s='%s'",e,d(f(a)));end end
end
return h("<%s%s>",e.name,t);
end
function e.get_text(e)
if#e.tags==0 then
return y(e);
end
end
function e.get_error(e)
local i,t,a;
local e=e:get_child("error");
if not e then
return nil,nil,nil;
end
i=e.attr.type;
for o,e in o(e.tags)do
if e.attr.xmlns==v then
if not a and e.name=="text"then
a=e:get_text();
elseif not t then
t=e.name;
end
if t and a then
break;
end
end
end
return i,t or"undefined-condition",a;
end
local w=0;
local function y()
w=w+1;
return"lx"..w;
end
local function w(e)
local a={name=e.name,attr=e.attr};
for o,e in o(e)do
if i(e)=="table"then
t(a,w(e));
else
t(a,e);
end
end
return a;
end
local function p(a)
if a then
local s=a.attr;
for e=1,#s do s[e]=nil;end
local h={};
for e in n(s)do
if c(e,"|",1,true)and not c(e,"\1",1,true)then
local a,t=l(e,"^([^|]+)|(.+)$");
h[a.."\1"..t]=s[e];
s[e]=nil;
end
end
for e,t in n(h)do
s[e]=t;
end
m(a,e);
for t,e in o(a)do
if i(e)=="table"then
p(e);
end
end
if not a.tags then
local e={};
for n,o in o(a)do
if i(o)=="table"then
t(e,o);
end
end
a.tags=e;
end
end
return a;
end
local function l(a)
local o,i={},{};
for t,e in n(a.attr)do o[t]=e;end
local o={name=a.name,attr=o,tags=i};
for e=1,#a do
local e=a[e];
if e.name then
e=l(e);
t(i,e);
end
t(o,e);
end
return m(o,e);
end
local function b(t,e)
if not e then
return s("message",t);
else
return s("message",t):tag("body"):text(e):up();
end
end
local function g(e)
if e and not e.id then e.id=y();end
return s("iq",e or{id=y()});
end
local function m(e)
return s(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
local c={xmlns=v};
local function v(e,o,a,t)
local e=m(e);
e.attr.type="error";
e:tag("error",{type=o})
:tag(a,c):up();
if t then e:tag("text",c):text(t):up();end
return e;
end
local function c(e)
return s("presence",e);
end
if u then
local s=r("yellow");
local u=r("red");
local l=r("red");
local t=r("magenta");
local r=" "..a(s,"%s")..a(t,"=")..a(u,"'%s'");
local s=a(t,"<")..a(l,"%s").."%s"..a(t,">");
local l=s.."%s"..a(t,"</")..a(l,"%s")..a(t,">");
function e.pretty_print(t)
local e="";
for a,t in o(t)do
if i(t)=="string"then
e=e..d(t);
else
e=e..t:pretty_print();
end
end
local a="";
if t.attr then
for e,t in n(t.attr)do if i(e)=="string"then a=a..h(r,e,f(t));end end
end
return h(l,t.name,a,e,t.name);
end
function e.pretty_top_tag(t)
local e="";
if t.attr then
for t,a in n(t.attr)do if i(t)=="string"then e=e..h(r,t,f(a));end end
end
return h(s,t.name,e);
end
else
e.pretty_print=e.__tostring;
e.pretty_top_tag=e.top_tag;
end
return{
stanza_mt=e;
stanza=s;
is_stanza=k;
new_id=y;
preserialize=w;
deserialize=p;
clone=l;
message=b;
iq=g;
reply=m;
error_reply=v;
presence=c;
xml_escape=d;
};
end)
package.preload['util.timer']=(function(...)
local a=require"net.server";
local s=math.min
local l=math.huge
local n=require"util.time".now
local h=table.insert;
local r=pairs;
local d=type;
local i={};
local e={};
local t=nil;
local t;
if not a.event then
function t(o,i)
local n=n();
o=o+n;
if o>=n then
h(e,{o,i});
else
local e=i(n);
if e and d(e)=="number"then
return t(e,i);
end
end
end
a._addtimer(function()
local a=n();
if#e>0 then
for a,t in r(e)do
h(i,t);
end
e={};
end
local e=l;
for h,o in r(i)do
local o,n=o[1],o[2];
if o<=a then
i[h]=nil;
local a=n(a);
if d(a)=="number"then
t(a,n);
e=s(e,a);
end
else
e=s(e,o-a);
end
end
return e;
end);
else
local e=a.event;
local o=a.event_base;
local i=(e.core and e.core.LEAVE)or-1;
function t(a,e)
local t;
t=o:addevent(nil,0,function()
local e=e(n());
if e then
return 0,e;
elseif t then
return i;
end
end
,a);
end
end
return{
add_task=t;
};
end)
package.preload['util.termcolours']=(function(...)
local h,s=table.concat,table.insert;
local a,r=string.char,string.format;
local o=tonumber;
local d=ipairs;
local l=io.write;
local i=math.floor;
local u=type;
local m=setmetatable;
local f=pairs;
local t;
if os.getenv("WINDIR")then
t=require"util.windows";
end
local n=t and t.get_consolecolor and t.get_consolecolor();
local e=nil;
local e={
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 c={
["0"]=n,
["1"]=7+8,
["1;33"]=2+4+8,
["1;31"]=4+8
}
local p={
[1]="font-weight: bold",[2]="opacity: 0.5",[4]="text-decoration: underline",[8]="visibility: hidden",
[30]="color:black",[31]="color:red",[32]="color:green",[33]="color:#FFD700",
[34]="color:blue",[35]="color: magenta",[36]="color:cyan",[37]="color: white",
[40]="background-color:black",[41]="background-color:red",[42]="background-color:green",
[43]="background-color:yellow",[44]="background-color:blue",[45]="background-color: magenta",
[46]="background-color:cyan",[47]="background-color: white";
};
local a=a(27).."[%sm%s"..a(27).."[0m";
local function y(e,t)
if e then
return r(a,e,t);
else
return t;
end
end
local function w(e)
return i(e*3/32)+232;
end
local function r(e,t,a)
if e==t and t==a then
return w(e);
end
e=i(e*3/128);
t=i(t*3/128);
a=i(a*3/128);
return 16+(e*36)+(t*6)+(a);
end
local function a(e)
local t=o(e:sub(1,2),16);
local a=o(e:sub(3,4),16);
local e=o(e:sub(5,6),16);
return t,a,e;
end
m(e,{__index=function(t,e)
if u(e)=="string"and e:find("%x%x%x%x%x%x")==1 then
local t=e:sub(7)==" background"and"48;5;"or"38;5;";
return t..r(a(e));
end
end});
local a={
red="ff0000";fuchsia="ff00ff";green="008000";white="ffffff";
lime="00ff00";yellow="ffff00";purple="800080";blue="0000ff";
aqua="00ffff";olive="808000";black="000000";navy="000080";
teal="008080";silver="c0c0c0";maroon="800000";gray="808080";
}
for t,a in f(a)do
e[t]=e[t]or e[a];
t,a=t.." background",a.." background"
e[t]=e[t]or e[a];
end
local function r(...)
local t,a={...},{};
for o,t in d(t)do
t=e[t];
if t then
s(a,t);
end
end
return h(a,";");
end
local a="0";
local function i(e)
e=e or"0";
if e~=a then
l("\27["..e.."m");
a=e;
end
end
if t then
function i(e)
e=e or"0";
if e~=a then
t.set_consolecolor(c[e]or n);
a=e;
end
end
if not n then
function i()end
end
end
local function a(t)
if t=="0"then return"</span>";end
local e={};
for t in t:gmatch("[^;]+")do
s(e,p[o(t)]);
end
return"</span><span style='"..h(e,";").."'>";
end
local function e(e)
return e:gsub("\027%[(.-)m",a);
end
return{
getstring=y;
getstyle=r;
setstyle=i;
tohtml=e;
};
end)
package.preload['util.uuid']=(function(...)
local a=require"util.random";
local t=a.bytes;
local o=require"util.hex".to;
local i=math.ceil;
local function e(e)
return o(t(i(e/2))):sub(1,e);
end
local function o()
return("%x"):format(t(1):byte()%4+8);
end
local function t()
return e(8).."-"..e(4).."-4"..e(3).."-"..(o())..e(3).."-"..e(12);
end
return{
get_nibbles=e;
generate=t;
seed=a.seed;
};
end)
package.preload['net.dns']=(function(...)
local i=require"socket";
local k=require"util.timer";
local z=require"util.ip".new_ip;
local e,w=pcall(require,"util.windows");
local E=(e and w)or os.getenv("WINDIR");
local l,_,v,a,n=
coroutine,io,math,string,table;
local c,s,o,m,u,b,x,q,e,T=
ipairs,next,pairs,print,setmetatable,tostring,assert,error,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 h,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 s(e,s(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[h]=o;
return o;
end
end;
};
local r,d=e.get,e.set;
local j=15;
local e=nil;
local t={};
local h=n.insert
local function f(e)
return(e-(e%256))/256;
end
local function y(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 p(i)
local e={};
for o,i in o(i)do
local t=a.char(f(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=y(t.types);
t.class=y(t.classes);
t.typecode=p(t.types);
t.classcode=p(t.classes);
local function g(e,o,i)
if a.byte(e,-1)~=46 then e=e..'.';end
e=a.lower(e);
return e,t.type[o or'A'],t.class[i or'IN'];
end
local function p(t,a,s)
a=a or i.gettime();
for o,e in c(t)do
if e.tod then
e.ttl=v.floor(e.tod-a);
if e.ttl<=0 then
t[e[e.type:lower()]]=nil;
n.remove(t,o);
return p(t,a,s);
end
elseif s=='soft'then
x(e.ttl==0);
t[e[e.type:lower()]]=nil;
n.remove(t,o);
end
end
end
local e={};
e.__index=e;
e.timeout=j;
local function j(e)
local e=e.type and e[e.type:lower()];
if T(e)~="string"then
return"<UNKNOWN RDATA TYPE>";
end
return e;
end
local y={
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 x={};
function x.__tostring(e)
local t=(y[e.type]or j)(e);
return a.format('%2s %-5s %6i %-28s %s',e.class,e.type,e.ttl,e.name,t);
end
local j={};
function j.__tostring(t)
local e={};
for a,t in c(t)do
h(e,b(t)..'\n');
end
return n.concat(e);
end
local y={};
function y.__tostring(e)
local a=i.gettime();
local t={};
for i,e in o(e)do
for i,e in o(e)do
for o,e in o(e)do
p(e,a);
h(t,b(e));
end
end
end
return n.concat(t);
end
function t.random(...)
v.randomseed(v.floor(1e4*i.gettime())%2147483648);
t.random=v.random;
return t.random(...);
end
local function v(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(
f(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,
f(e.qdcount),e.qdcount%256,
f(e.ancount),e.ancount%256,
f(e.nscount),e.nscount%256,
f(e.arcount),e.arcount%256
);
return t,e.id;
end
local function f(t)
local e={};
for t in a.gmatch(t,'[^.]+')do
h(e,a.char(a.len(t)));
h(e,t);
end
h(e,a.char(0));
return n.concat(e);
end
local function T(o,a,e)
o=f(o);
a=t.typecode[a or'a'];
e=t.classcode[e or'in'];
return o..a..e;
end
function e:byte(e)
e=e or 1;
local t=self.offset;
local o=t+e-1;
if o>#self.packet then
q(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 t,e=self:byte(2);
return 256*t+e;
end
function e:dword()
local e,t,o,a=self:byte(4);
return 16777216*e+65536*t+256*o+a;
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={};
if e==0 then return"."end
while e>0 do
if e>=192 then
a=a+1;
if a>=20 then q('dns error: 20 pointers');end;
local e=((e-192)*256)+self:byte();
t=t or self.offset;
self.offset=e+1;
else
h(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(n)
local i,o,e,t=self:byte(4);
n.a=a.format('%i.%i.%i.%i',i,o,e,t);
end
function e:AAAA(a)
local e={};
for t=1,a.rdlength,2 do
local t,a=self:byte(2);
n.insert(e,("%02x%02x"):format(t,a));
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 f(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={};
h(t,a.format(
'%s    %s    %.2fm %.2fm %.2fm %.2fm',
f(e.loc.latitude,'N','S'),
f(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={};
u(e,x);
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 h(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 i=self.offset;
for e=1,t.header.qdcount do
h(t.question,self:question());
end
t.question.raw=a.sub(self.packet,i,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
self.active[t.header.id]=nil;
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{};
h(self.server,e);
end
function e:setnameserver(e)
self.server={};
self:addnameserver(e);
end
function e:adddefaultnameservers()
if E then
if w and w.get_nameservers then
for t,e in c(w.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=_.open("/etc/resolv.conf");
if e then
for e in e:lines()do
e=e:gsub("#.*$","")
:match('^%s*nameserver%s+([%x:%.]*%%?%S*)%s*$');
if e then
local e=z(e);
if e then
self:addnameserver(e.addr);
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(a)
self.socket=self.socket or{};
self.socketset=self.socketset or{};
local e=self.socket[a];
if e then return e;end
local o,t;
local n=self.server[a];
if n:find(":")then
e,t=i.udp6();
else
e,t=(i.udp4 or i.udp)();
end
if e and self.socket_wrapper then e,t=self.socket_wrapper(e,self);end
if not e then
return nil,t;
end
e:settimeout(0);
self.socket[a]=e;
self.socketset[e]=a;
o,t=e:setsockname('*',0);
if not o then return self:servfail(e,t);end
o,t=e:setpeername(n,53);
if not o then return self:servfail(e,t);end
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
e:close();
end
function e:socket_wrapper_set(e)
self.socket_wrapper=e;
end
function e:closeall()
for t,e in c(self.socket)do
self.socket[t]=nil;
self.socketset[e]=nil;
e:close();
end
end
function e:remember(e,t)
local i,o,a=g(e.name,e.type,e.class);
if t~='*'then
t=o;
local t=r(self.cache,a,'*',i);
if t then h(t,e);end
end
self.cache=self.cache or u({},y);
local a=r(self.cache,a,t,i)or
d(self.cache,a,t,i,u({},j));
if not a[e[o:lower()]]then
a[e[o:lower()]]=true;
h(a,e);
end
if t=='MX'then self.unsorted[a]=true;end
end
local function f(t,e)
return(t.pref==e.pref)and(t.mx<e.mx)or(t.pref<e.pref);
end
function e:peek(o,a,t,h)
o,a,t=g(o,a,t);
local e=r(self.cache,t,a,o);
if not e then
if h then if h<=0 then return end else h=3 end
e=r(self.cache,t,"CNAME",o);
if not(e and e[1])then return end
return self:peek(e[1].cname,a,t,h-1);
end
if p(e,i.gettime())and a=='*'or not s(e)then
d(self.cache,t,a,o,nil);
return nil;
end
if self.unsorted[e]then n.sort(e,f);self.unsorted[e]=nil;end
return e;
end
function e:purge(e)
if e=='soft'then
self.time=i.gettime();
for t,e in o(self.cache or{})do
for t,e in o(e)do
for t,e in o(e)do
p(e,self.time,'soft')
end
end
end
else self.cache=u({},y);end
end
function e:query(e,a,t)
e,a,t=g(e,a,t)
local n=l.running();
local o=r(self.wanted,t,a,e);
if n and o then
d(self.wanted,t,a,e,n,true);
return true;
end
if not self.server then self:adddefaultnameservers();end
local s=T(e,a,t);
local o=self:peek(e,a,t);
if o then return o;end
local h,o=v();
local i={
packet=h..s,
server=self.best_server,
delay=1,
retry=i.gettime()+self.delays[1]
};
self.active[o]=self.active[o]or{};
self.active[o][s]=i;
local o,h=self:getsocket(i.server)
if not o then
return nil,h;
end
o:send(i.packet)
if n then
d(self.wanted,t,a,e,n,true);
end
if k and self.timeout then
local d=#self.server;
local s=1;
k.add_task(self.timeout,function()
if r(self.wanted,t,a,e,n)then
if s<d 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,a,e);
end
end)
end
return true;
end
function e:servfail(t,n)
local h=self.socketset[t]
t=self:voidsocket(t);
self.time=i.gettime();
for i,a in o(self.active)do
for o,e in o(a)do
if e.server==h 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
t,n=self:getsocket(e.server);
if t then t:send(e.packet);end
end
end
end
if s(a)==nil then
self.active[i]=nil;
end
end
if h==self.best_server then
self.best_server=self.best_server+1;
if self.best_server>#self.server then
self.best_server=1;
end
end
return t,n;
end
function e:settimeout(e)
self.timeout=e;
end
function e:receive(t)
self.time=i.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 s(t)then self.active[e.header.id]=nil;end
if not s(self.active)then self:closeall();end
local e=e.question[1];
local t=r(self.wanted,e.class,e.type,e.name);
if t then
for e in o(t)do
if l.status(e)=="suspended"then l.resume(e);end
end
d(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=i.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 s(t)then self.active[e.header.id]=nil;end
if not s(self.active)then self:closeall();end
local e=e.question[1];
if e then
local t=r(self.wanted,e.class,e.type,e.name);
if t then
for e in o(t)do
if l.status(e)=="suspended"then l.resume(e);end
end
d(self.wanted,e.class,e.type,e.name,nil);
end
end
end
return e;
end
function e:cancel(t,a,i)
local e=r(self.wanted,t,a,i);
if e then
for e in o(e)do
if l.status(e)=="suspended"then l.resume(e);end
end
d(self.wanted,t,a,i,nil);
end
end
function e:pulse()
while self:receive()do end
if not s(self.active)then return nil;end
self.time=i.gettime();
for a,t in o(self.active)do
for o,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[o]=nil;
if not s(t)then self.active[a]=nil;end
if not s(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 s(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 t,a in c(self.socket)do
e[t]=a
end
i.select(e,nil,4)
end
return self:peek(o,a,t);
end
function e:lookupex(o,t,e,a)
return self:peek(t,e,a)or self:query(t,e,a);
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(e)
for o,t in o{'id','qr','opcode','aa','tc','rd','ra','z',
'rcode','qdcount','ancount','nscount','arcount'}do
m(a.format('%-30s','header.'..t),e.header[t],n(e.header,t));
end
for e,t in c(e.question)do
m(a.format('question[%i].name         ',e),t.name);
m(a.format('question[%i].type         ',e),t.type);
m(a.format('question[%i].class        ',e),t.class);
end
local h={name=1,type=1,class=1,ttl=1,rdlength=1,rdata=1};
local t;
for s,i in o({'answer','authority','additional'})do
for s,e in o(e[i])do
for h,o in o({'name','type','class','ttl','rdlength'})do
t=a.format('%s[%i].%s',i,s,o);
m(a.format('%-30s',t),e[o],n(e,o));
end
for e,o in o(e)do
if not h[e]then
t=a.format('%s[%i].%s',i,s,e);
m(a.format('%-30s  %s',b(t),b(o)));
end
end
end
end
end
function t.resolver()
local t={active={},cache={},unsorted={},wanted={},best_server=1};
u(t,e);
u(t.cache,y);
u(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.cache()
return e.cache;
end
function t.socket_wrapper_set(...)
return e:socket_wrapper_set(...);
end
return t;
end)
package.preload['net.adns']=(function(...)
local c=require"net.server";
local a=require"net.dns";
local e=require"util.logger".init("adns");
local o,r,l=coroutine,tostring,pcall;
local function m(a,a,t,e)return(e-t)+1;end
local t=nil;
local function u(d,t,s,h)
return o.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,r(o.running()));
local n,i=a.query(t,s,h);
if n then
o.yield({h or"IN",s or"A",t,o.running()});
e("debug","Reply for %s (%s)",t,r(o.running()));
end
if n then
n,i=l(d,a.peek(t,s,h));
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",r(i));
end
end)(a.peek(t,s,h));
end
local function d(t,o,i)
e("warn","Cancelling DNS lookup for %s",r(t[3]));
a.cancel(t[1],t[2],t[3],t[4],o);
end
local function r(o,i)
local n="<unknown>";
local s={};
local t={};
local h;
function s.onincoming(o,e)
if e then
a.feed(t,e);
end
end
function s.ondisconnect(o,a)
if a then
e("warn","DNS socket for %s disconnected: %s",n,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,h=c.wrapclient(o,"dns",53,s);
if not t then
return nil,h;
end
t.settimeout=function()end
t.setsockname=function(e,...)return o:setsockname(...);end
t.setpeername=function(e,...)n=(...);local a,o=o:setpeername(...);e:set_send(m);return a,o;end
t.connect=function(e,...)return o:connect(...)end
t.send=function(a,t)
e("debug","Sending DNS query to %s",n);
return o:send(t);
end
return t;
end
a.socket_wrapper_set(r);
return{
lookup=u;
cancel=d;
new_async_socket=r;
};
end)
package.preload['net.server']=(function(...)
local c=function(e)
return _G[e]
end
local Y,e=require("util.logger").init("socket"),table.concat;
local i=function(...)return Y("debug",e{...});end
local L=function(...)return Y("warn",e{...});end
local he=1
local w=c"type"
local D=c"pairs"
local ee=c"ipairs"
local f=c"tonumber"
local r=c"tostring"
local a=c"table"
local t=c"string"
local e=c"coroutine"
local Z=math.min
local ue=math.huge
local we=a.concat
local fe=t.sub
local me=e.wrap
local ye=e.yield
local U,e=pcall(require,"ssl")
local p=c"socket"or require"socket"
local X=p.gettime
local pe=p.dns.getaddrinfo
local be=(U and e.wrap)
local de=p.bind
local ve=p.sleep
local ce=p.select
local V
local P
local le
local B
local K
local m
local re
local oe
local ae
local te
local ie
local G
local d
local se
local Q
local ne
local v
local h
local F
local l
local s
local _
local b
local y
local k
local x
local a
local o
local g
local W
local M
local I
local O
local j
local A
local J
local n
local E
local T
local N
local H
local S
local C
local q
local z
local R
v={}
h={}
l={}
F={}
s={}
b={}
y={}
_={}
k={}
a=0
o=0
g=0
W=0
M=0
I=1
O=0
j=128
A=10
E=51e3*1024
T=25e3*1024
N=30
H=6e4
S=6*60*60
local e=package.config:sub(1,1)=="\\"
z=(e and math.huge)or p._SETSIZE or 1024
q=p._SETSIZE or 1024
R=30
te=function(y,t,c,u,g,w)
if t:getfd()>=z then
L("server.lua: Disallowed FD number: "..t:getfd())
t:close()
return nil,"fd-too-large"
end
local f=0
local p,e=y.onconnect,y.ondisconnect
local b=t.accept
local e={}
e.shutdown=function()end
e.ssl=function()
return w~=nil
end
e.sslctx=function()
return w
end
e.remove=function()
f=f-1
if e then
e.resume()
end
end
e.close=function()
t:close()
o=d(l,t,o)
a=d(h,t,a)
v[c..":"..u]=nil;
s[t]=nil
e=nil
t=nil
i"server.lua: closed server handler and removed sockets from list"
end
e.pause=function(o)
if not e.paused then
a=d(h,t,a)
if o then
s[t]=nil
t:close()
t=nil;
end
e.paused=true;
i("server.lua: server [",c,"]:",u," paused")
end
end
e.resume=function()
if e.paused then
if not t then
t=de(c,u,j);
t:settimeout(0)
end
a=m(h,t,a)
s[t]=e
k[e]=nil
e.paused=false;
i("server.lua: server [",c,"]:",u," resumed")
end
end
e.ip=function()
return c
end
e.serverport=function()
return u
end
e.socket=function()
return t
end
e.readbuffer=function()
if a>=q or o>=q then
e.pause()
k[e]=n
i("server.lua: refused new client connection: server full")
return false
end
local t,s=b(t)
if t then
local o,a=t:getpeername()
local e,n,t=Q(e,y,t,o,u,a,g,w)
if t then
return false
end
f=f+1
i("server.lua: accepted new client connection from ",r(o),":",r(a)," to ",r(u))
if p and not w then
return p(e);
end
return;
elseif s then
i("server.lua: error with new client connection: ",r(s))
e.pause()
k[e]=n
return false
end
end
return e
end
Q=function(v,f,t,O,J,I,N,g)
if t:getfd()>=z then
L("server.lua: Disallowed FD number: "..t:getfd())
t:close()
if v then
k[v]=n
v.pause()
end
return nil,nil,"fd-too-large"
end
t:settimeout(0)
local w
local z
local q
local Y
local P=f.onincoming
local F=f.onstatus
local k=f.ondisconnect
local L=f.ondrain
local Q=f.onreadtimeout;
local C=f.ondetach
local p={}
local u=0
local G
local K
local D
local c=0
local j=false
local A=false
local S,H=0,0
local E=E
local T=T
local e=p
e.dispatch=function()
return P
end
e.disconnect=function()
return k
end
e.onreadtimeout=Q;
e.setlistener=function(a,t)
if C then
C(a)
end
P=t.onincoming
k=t.ondisconnect
F=t.onstatus
L=t.ondrain
e.onreadtimeout=t.onreadtimeout
C=t.ondetach
end
e.getstats=function()
return H,S
end
e.ssl=function()
return Y
end
e.sslctx=function()
return g
end
e.send=function(n,o,i,a)
return w(t,o,i,a)
end
e.receive=function(o,a)
return z(t,o,a)
end
e.shutdown=function(a)
return q(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.force_close=function(a,t)
if u~=0 then
i("server.lua: discarding unwritten data for ",r(O),":",r(I))
u=0;
end
return a:close(t);
end
e.close=function(r,n)
if not e then return true;end
a=d(h,t,a)
b[e]=nil
if u~=0 then
e.sendbuffer()
if u~=0 then
if e then
e.write=nil
end
G=true
return false
end
end
if t then
x=q and q(t)
t:close()
o=d(l,t,o)
s[t]=nil
t=nil
else
i"server.lua: socket already closed"
end
if e then
y[e]=nil
_[e]=nil
local t=e;
e=nil
if k then
k(t,n or false);
k=nil
end
end
if v then
v.remove()
end
i"server.lua: closed client handler and removed socket from list"
return true
end
e.server=function()
return v
end
e.ip=function()
return O
end
e.serverport=function()
return J
end
e.clientport=function()
return I
end
e.port=e.clientport
local v=function(i,a)
if not e then return false end
c=c+#a
if c>E then
_[e]="send buffer exceeded"
e.write=B
return false
elseif t and not l[t]then
o=m(l,t,o)
end
u=u+1
p[u]=a
if e then
y[e]=y[e]or n
end
return true
end
e.write=v
e.bufferqueue=function(t)
return p
end
e.socket=function(a)
return t
end
e.set_mode=function(a,t)
N=t or N
return N
end
e.set_send=function(a,t)
w=t or w
return w
end
e.bufferlen=function(o,t,a)
E=a or E
T=t or T
return c,T,E
end
e.lock_read=function(i,o)
if o==true then
local o=a
a=d(h,t,a)
b[e]=nil
if a~=o then
j=true
end
elseif o==false then
if j then
j=false
a=m(h,t,a)
b[e]=n
end
end
return j
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=B
local a=o
o=d(l,t,o)
y[e]=nil
if o~=a then
A=true
end
elseif a==false then
e.write=v
if A then
A=false
v("")
end
end
return j,A
end
local v=function()
local a,t,o=z(t,N)
if not t or(t=="wantread"or t=="timeout")then
local a=a or o or""
local o=#a
if o>T then
e:close("receive buffer exceeded")
return false
end
local o=o*he
H=H+o
M=M+o
b[e]=n
return P(e,a,t)
else
i("server.lua: client ",r(O),":",r(I)," read error: ",r(t))
K=true
x=e and e:force_close(t)
return false
end
end
local y=function()
local f,a,s,h,m;
if t then
h=we(p,"",1,u)
f,a,s=w(t,h,1,c)
m=(f or s or 0)*he
S=S+m
W=W+m
for e=u,1,-1 do
p[e]=nil
end
else
f,a,m=false,"unexpected close",0;
end
if f then
u=0
c=0
o=d(l,t,o)
y[e]=nil
if L then
L(e)
end
x=D and e:starttls(nil)
x=G and e:force_close()
return true
elseif s and(a=="timeout"or a=="wantwrite")then
h=fe(h,s+1,c)
p[1]=h
u=1
c=c-s
y[e]=n
return true
else
i("server.lua: client ",r(O),":",r(I)," write error: ",r(a))
K=true
x=e and e:force_close(a)
return false
end
end
local c;
function e.set_sslctx(w,t)
g=t;
local s,r
c=me(function(n)
local t
for c=1,R do
o=(r and d(l,n,o))or o
a=(s and d(h,n,a))or a
s,r=nil,nil
c,t=n:dohandshake()
if not t then
i("server.lua: ssl handshake done")
e.readbuffer=v
e.sendbuffer=y
c=F and F(e,"ssl-handshake-complete")
if w.autostart_ssl and f.onconnect then
f.onconnect(w);
if u~=0 then
o=m(l,n,o)
end
end
a=m(h,n,a)
return true
else
if t=="wantwrite"then
o=m(l,n,o)
r=true
elseif t=="wantread"then
a=m(h,n,a)
s=true
else
break;
end
t=nil;
ye()
end
end
t="ssl handshake error: "..(t or"handshake too long");
i("server.lua: ",t);
x=e and e:force_close(t)
return false,t
end
)
end
if U then
e.starttls=function(f,n)
if n then
e:set_sslctx(n);
end
if u>0 then
i"server.lua: we need to do tls, but delaying until send buffer empty"
D=true
return
end
i("server.lua: attempting to start tls on "..r(t))
local n,u=t
t,u=be(t,g)
if not t then
i("server.lua: error while starting tls on client: ",r(u or"unknown error"))
return nil,u
end
t:settimeout(0)
w=t.send
z=t.receive
q=V
s[t]=e
a=m(h,t,a)
a=d(h,n,a)
o=d(l,n,o)
s[n]=nil
e.starttls=nil
D=nil
Y=true
e.readbuffer=c
e.sendbuffer=c
return c(t)
end
end
e.readbuffer=v
e.sendbuffer=y
w=t.send
z=t.receive
q=(Y and V)or t.shutdown
s[t]=e
a=m(h,t,a)
if g and U then
i"server.lua: auto-starting ssl negotiation..."
e.autostart_ssl=true;
local e,t=e:starttls(g);
if e==false then
return nil,nil,t
end
end
return e,t
end
V=function()
end
B=function()
return false
end
m=function(a,t,e)
if not a[t]then
e=e+1
a[e]=t
a[t]=e
end
return e;
end
d=function(e,a,t)
local i=e[a]
if i then
e[a]=nil
local o=e[t]
e[t]=nil
if o~=a then
e[o]=i
e[i]=o
end
return t-1
end
return t
end
G=function(e)
o=d(l,e,o)
a=d(h,e,a)
s[e]=nil
e:close()
end
local function x(e,t,o)
local a;
local i=t.sendbuffer;
function t.sendbuffer()
i();
if a and t.bufferlen()<o then
e:lock_read(false);
a=nil;
end
end
local i=e.readbuffer;
function e.readbuffer()
i();
if not a and t.bufferlen()>=o then
a=true;
e:lock_read(true);
end
end
e:set_mode("*a");
end
re=function(e,t,d,l,r)
e=e or"*"
local o
if w(d)~="table"then
o="invalid listener table"
elseif w(e)~="string"then
o="invalid address"
elseif w(t)~="number"or not(t>=0 and t<=65535)then
o="invalid port"
elseif v[e..":"..t]then
o="listeners on '["..e.."]:"..t.."' already exist"
elseif r and not U then
o="luasec not found"
end
if o then
L("server.lua, [",e,"]:",t,": ",o)
return nil,o
end
local o,n=de(e,t,j)
if n then
L("server.lua, [",e,"]:",t,": ",n)
return nil,n
end
local n,d=te(d,o,e,t,l,r)
if not n then
o:close()
return nil,d
end
o:settimeout(0)
a=m(h,o,a)
v[e..":"..t]=n
s[o]=n
i("server.lua: new "..(r and"ssl "or"").."server listener on '[",e,"]:",t,"'")
return n
end
ae=function(t,e)
return v[t..":"..e];
end
se=function(t,e)
local a=v[t..":"..e]
if not a then
return nil,"no server found on '["..t.."]:"..r(e).."'"
end
a:close()
v[t..":"..e]=nil
return true
end
K=function()
for t,e in D(s)do
e:close()
s[t]=nil
end
a=0
o=0
g=0
v={}
h={}
l={}
F={}
s={}
end
ie=function()
return{
select_timeout=I;
select_sleep_time=O;
tcp_backlog=j;
max_send_buffer_size=E;
max_receive_buffer_size=T;
select_idle_check_interval=N;
send_timeout=H;
read_timeout=S;
max_connections=q;
max_ssl_handshake_roundtrips=R;
highest_allowed_fd=z;
accept_retry_interval=A;
}
end
ne=function(e)
if w(e)~="table"then
return nil,"invalid settings table"
end
I=f(e.select_timeout)or I
O=f(e.select_sleep_time)or O
E=f(e.max_send_buffer_size)or E
T=f(e.max_receive_buffer_size)or T
N=f(e.select_idle_check_interval)or N
j=f(e.tcp_backlog)or j
H=f(e.send_timeout)or H
S=f(e.read_timeout)or S
A=f(e.accept_retry_interval)or A
q=e.max_connections or q
R=e.max_ssl_handshake_roundtrips or R
z=e.highest_allowed_fd or z
return true
end
oe=function(e)
if w(e)~="function"then
return nil,"invalid listener function"
end
g=g+1
F[g]=e
return true
end
le=function()
return M,W,a,o,g
end
local t;
local function f(e)
t=not not e;
end
P=function(a)
if t then return"quitting";end
if a then t="once";end
local e=ue;
repeat
local o,a,h=ce(h,l,Z(I,e))
for e,t in ee(a)do
local e=s[t]
if e then
e.sendbuffer()
else
G(t)
i"server.lua: found no handler and closed socket (writelist)"
end
end
for e,t in ee(o)do
local e=s[t]
if e then
e.readbuffer()
else
G(t)
i"server.lua: found no handler and closed socket (readlist)"
end
end
for e,t in D(_)do
e.disconnect()(e,t)
e:force_close()
_[e]=nil;
end
n=X()
if n-J>N then
J=n
for e,t in D(y)do
if n-t>H then
e.disconnect()(e,"send timeout")
e:force_close()
end
end
for e,t in D(b)do
if n-t>S then
if not(e.onreadtimeout)or e:onreadtimeout()~=true then
e.disconnect()(e,"read timeout")
e:close()
else
b[e]=n
end
end
end
end
if n-C>=Z(e,1)then
e=ue;
for t=1,g do
local t=F[t](n)
if t then e=Z(e,t);end
end
C=n
else
e=e-(n-C);
end
for e,t in D(k)do
if n-t>A then
k[e]=nil;
e.resume();
end
end
ve(O)
until t;
if a and t=="once"then t=nil;return;end
K();
return"quitting"
end
local function u()
return P(true);
end
local function d()
return"select";
end
local i=function(e,a,h,t,n,i)
local e,a,n=Q(nil,t,e,a,h,"clientport",n,i)
if not e then return nil,n end
s[a]=e
if not i then
o=m(l,a,o)
if t.onconnect then
local a=e.sendbuffer;
e.sendbuffer=function()
e.sendbuffer=a;
t.onconnect(e);
return a();
end
end
end
return e,a
end
local o=function(o,t,s,r,n,a)
local e
if w(s)~="table"then
e="invalid listener table"
elseif w(o)~="string"then
e="invalid address"
elseif w(t)~="number"or not(t>=0 and t<=65535)then
e="invalid port"
elseif n and not U then
e="luasec not found"
end
if not a then
local e,t=pe(o)
if not e then return nil,t end
if e[1]and e[1].family=="inet6"then
a="tcp6"
else
a="tcp"
end
end
local a=p[a]
if w(a)~="function"then
e="invalid socket type"
end
if e then
L("server.lua, addclient: ",e)
return nil,e
end
local e,a=a()
if a then
return nil,a
end
e:settimeout(0)
local h,a=e:connect(o,t)
if h or a=="timeout"then
return i(e,o,t,s,r,n)
else
return nil,a
end
end
c"setmetatable"(s,{__mode="k"})
c"setmetatable"(b,{__mode="k"})
c"setmetatable"(y,{__mode="k"})
C=X()
J=X()
local function a(e)
local t=Y;
if e then
Y=e;
end
return t;
end
return{
_addtimer=oe,
addclient=o,
wrapclient=i,
loop=P,
link=x,
step=u,
stats=le,
closeall=K,
addserver=re,
getserver=ae,
setlogger=a,
getsettings=ie,
setquitting=f,
removeserver=se,
get_backend=d,
changesettings=ne,
}
end)
package.preload['util.xmppstream']=(function(...)
local e=require"lxp";
local b=require"util.stanza";
local k=b.stanza_mt;
local m=error;
local t=tostring;
local d=table.insert;
local p=table.concat;
local x=table.remove;
local v=setmetatable;
local q=pcall(e.new,{StartDoctypeDecl=false});
local j=pcall(e.new,{XmlDecl=false});
local a=not not e.new({}).getcurrentbytecount;
local z=1024*1024*10;
local o=nil;
local y=e.new;
local _={
["http://www.w3.org/XML/1998/namespace\1lang"]="xml:lang";
["http://www.w3.org/XML/1998/namespace\1space"]="xml:space";
["http://www.w3.org/XML/1998/namespace\1base"]="xml:base";
["http://www.w3.org/XML/1998/namespace\1id"]="xml:id";
};
local s="http://etherx.jabber.org/streams";
local r="\1";
local g="^([^"..r.."]*)"..r.."?(.*)$";
local function h()end
local function w(i,e,n)
local o={};
local w=e.streamopened;
local f=e.streamclosed;
local l=e.error or function(o,a,e)m("XML stream error: "..t(a)..(e and": "..t(e)or""),2);end;
local y=e.handlestanza;
n=n or h;
local t=e.stream_ns or s;
local c=e.stream_tag or"stream";
if t~=""then
c=t..r..c;
end
local b=t..r..(e.error_tag or"error");
local z=e.default_ns;
local u={};
local s,e={};
local t=0;
local h=0;
function o:StartElement(m,o)
if e and#s>0 then
d(e,p(s));
s={};
end
local r,s=m:match(g);
if s==""then
r,s="",r;
end
if r~=z or h>0 then
o.xmlns=r;
h=h+1;
end
for t=1,#o do
local e=o[t];
o[t]=nil;
local t=_[e];
if t then
o[t]=o[e];
o[e]=nil;
end
end
if not e then
if a then
t=self:getcurrentbytecount();
end
if i.notopen then
if m==c then
h=0;
if w then
if a then
n(t);
t=0;
end
w(i,o);
end
else
l(i,"no-stream",m);
end
return;
end
if r=="jabber:client"and s~="iq"and s~="presence"and s~="message"then
l(i,"invalid-top-level-element");
end
e=v({name=s,attr=o,tags={}},k);
else
if a then
t=t+self:getcurrentbytecount();
end
d(u,e);
local t=e;
e=v({name=s,attr=o,tags={}},k);
d(t,e);
d(t.tags,e);
end
end
if j then
function o:XmlDecl(e,e,e)
if a then
n(self:getcurrentbytecount());
end
end
end
function o:StartCdataSection()
if a then
if e then
t=t+self:getcurrentbytecount();
else
n(self:getcurrentbytecount());
end
end
end
function o:EndCdataSection()
if a then
if e then
t=t+self:getcurrentbytecount();
else
n(self:getcurrentbytecount());
end
end
end
function o:CharacterData(o)
if e then
if a then
t=t+self:getcurrentbytecount();
end
d(s,o);
elseif a then
n(self:getcurrentbytecount());
end
end
function o:EndElement(o)
if a then
t=t+self:getcurrentbytecount()
end
if h>0 then
h=h-1;
end
if e then
if#s>0 then
d(e,p(s));
s={};
end
if#u==0 then
if a then
n(t);
end
t=0;
if o~=b then
y(i,e);
else
l(i,"stream-error",e);
end
e=nil;
else
e=x(u);
end
else
if f then
f(i);
end
end
end
local function a(e)
l(i,"parse-error","restricted-xml","Restricted XML, see RFC 6120 section 11.1.");
if not e.stop or not e:stop()then
m("Failed to abort parsing");
end
end
if q then
o.StartDoctypeDecl=a;
end
o.Comment=a;
o.ProcessingInstruction=a;
local function a()
e,s,t=nil,{},0;
u={};
end
local function t(t,e)
i=e;
end
return o,{reset=a,set_session=t};
end
local function u(d,l,o)
local t=0;
local e;
if a then
function e(e)
t=t-e;
end
o=o or z;
elseif o then
m("Stanza size limits are not supported on this version of LuaExpat")
end
local n,s=w(d,l,e);
local i=y(n,r,false);
local h=i.parse;
function d.open_stream(e,a,i)
local o=e.sends2s or e.send;
local t={
["xmlns:stream"]="http://etherx.jabber.org/streams",
["xml:lang"]="en",
xmlns=l.default_ns,
version=e.version and(e.version>0 and"1.0"or nil),
id=e.streamid,
from=a or e.host,to=i,
};
if e.stream_attrs then
e:stream_attrs(a,i,t)
end
o("<?xml version='1.0'?>");
o(b.stanza("stream:stream",t):top_tag());
return true;
end
return{
reset=function()
i=y(n,r,false);
h=i.parse;
t=0;
s.reset();
end,
feed=function(n,e)
if a then
t=t+#e;
end
local i,e=h(i,e);
if a and t>o then
return nil,"stanza-too-large";
end
return i,e;
end,
set_session=s.set_session;
};
end
return{
ns_separator=r;
ns_pattern=g;
new_sax_handlers=w;
new=u;
};
end)
package.preload['util.jid']=(function(...)
local o=select;
local a,i=string.match,string.sub;
local l=require"util.encodings".stringprep.nodeprep;
local r=require"util.encodings".stringprep.nameprep;
local d=require"util.encodings".stringprep.resourceprep;
local h={
[" "]="\\20";['"']="\\22";
["&"]="\\26";["'"]="\\27";
["/"]="\\2f";[":"]="\\3a";
["<"]="\\3c";[">"]="\\3e";
["@"]="\\40";["\\"]="\\5c";
};
local s={};
for e,t in pairs(h)do s[t]=e;end
local e=nil;
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
local function m(e)
local t,e=t(e);
if t and e then
return t.."@"..e;
end
return e;
end
local function n(e)
local t,e,a=t(e);
if e and e~="."then
if i(e,-1,-1)=="."then
e=i(e,1,-2);
end
e=r(e);
if not e then return;end
if t then
t=l(t);
if not t then return;end
end
if a then
a=d(a);
if not a then return;end
end
return t,e,a;
end
end
local function i(a,e,t)
if not e then return end
if a and t then
return a.."@"..e.."/"..t;
elseif a then
return a.."@"..e;
elseif t then
return e.."/"..t;
end
return e;
end
local function c(e)
local a,t,e=n(e);
return i(a,t,e);
end
local function u(e,a)
local o,n,i=t(e);
local e,t,a=t(a);
if((e~=nil and e==o)or e==nil)and
((t~=nil and t==n)or t==nil)and
((a~=nil and a==i)or a==nil)then
return true
end
return false
end
local function l(e)
return(o(1,t(e)));
end
local function d(e)
return(o(2,t(e)));
end
local function r(e)
return(o(3,t(e)));
end
local function a(e)return e and(e:gsub(".",h));end
local function o(e)return e and(e:gsub("\\%x%x",s));end
return{
split=t;
bare=m;
prepped_split=n;
join=i;
prep=c;
compare=u;
node=l;
host=d;
resource=r;
escape=a;
unescape=o;
};
end)
package.preload['util.events']=(function(...)
local a=pairs;
local s=table.insert;
local l=table.remove;
local r=table.sort;
local d=setmetatable;
local h=next;
local e=nil;
local function u()
local o={};
local t;
local n={};
local i={};
local function u(n,o)
local e=i[o];
if not e or h(e)==nil then return;end
local t={};
for e in a(e)do
s(t,e);
end
r(t,function(a,t)return e[a]>e[t];end);
n[o]=t;
return t;
end;
d(o,{__index=u});
local function s(t,n,a)
local e=i[t];
if e then
e[n]=a or 0;
else
e={[n]=a or 0};
i[t]=e;
end
o[t]=nil;
end;
local function r(e,a)
local t=i[e];
if t then
t[a]=nil;
o[e]=nil;
if h(t)==nil then
i[e]=nil;
end
end
end;
local function m(e)
return o[e];
end;
local function f(e)
for e,t in a(e)do
s(e,t);
end
end;
local function c(e)
for t,e in a(e)do
r(t,e);
end
end;
local function h(e,t)
local e=o[e];
if e then
for a=1,#e do
local e=e[a](t);
if e~=nil then return e;end
end
end
end;
local function u(i,s)
local a=n[i]or t;
if a then
local e=#a;
local function n(i,o)
e=e-1;
if e==0 then
if t==nil or a==t then
return h(i,o);
end
a,e=t,#t;
return a[e](n,i,o);
else
return a[e](n,i,o);
end
end
return a[e](n,i,s);
end
return h(i,s);
end
local function d(a,o)
local e;
if a==false then
e=t;
if not e then
e={};
t=e;
end
else
e=n[a];
if not e then
e={};
n[a]=e;
end
end
e[#e+1]=o;
end
local function h(a,o)
local e;
if a==false then
e=t;
else
e=n[a];
end
if not e then return;end
for t=#e,1 do
if e[t]==o then
l(e,t);
end
end
if#e==0 then
if a==false then
t=nil;
else
n[a]=nil;
end
end
end
return{
add_handler=s;
remove_handler=r;
add_handlers=f;
remove_handlers=c;
get_handlers=m;
wrappers={
add_handler=d;
remove_handler=h;
};
add_wrapper=d;
remove_wrapper=h;
fire_event=u;
_handlers=o;
_event_map=i;
};
end
return{
new=u;
};
end)
package.preload['util.dataforms']=(function(...)
local e=setmetatable;
local t,i=pairs,ipairs;
local d,r,u=tostring,type,next;
local h=table.concat;
local m=require"util.stanza";
local l=require"util.jid".prep;
local n={};
local c='jabber:x:data';
local s={};
local a={__index=s};
function n.new(t)
return e(t,a);
end
function n.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 s.form(t,n,e)
local e=m.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 a=o.type or"text-single";
e:tag("field",{type=a,var=o.name,label=o.label});
local t=(n and n[o.name])or o.value;
if t then
if a=="hidden"then
if r(t)=="table"then
e:tag("value")
:add_child(t)
:up();
else
e:tag("value"):text(d(t)):up();
end
elseif a=="boolean"then
e:tag("value"):text((t and"1")or"0"):up();
elseif a=="fixed"then
elseif a=="jid-multi"then
for a,t in i(t)do
e:tag("value"):text(t):up();
end
elseif a=="jid-single"then
e:tag("value"):text(t):up();
elseif a=="text-single"or a=="text-private"then
e:tag("value"):text(t):up();
elseif a=="text-multi"then
for t in t:gmatch("([^\r\n]+)\r?\n*")do
e:tag("value"):text(t):up();
end
elseif a=="list-single"then
local a=false;
for o,t in i(t)do
if r(t)=="table"then
e:tag("option",{label=t.label}):tag("value"):text(t.value):up():up();
if t.default and(not a)then
e:tag("value"):text(t.value):up();
a=true;
end
else
e:tag("option",{label=t}):tag("value"):text(d(t)):up():up();
end
end
elseif a=="list-multi"then
for a,t in i(t)do
if r(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(d(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 s.data(t,n)
local o={};
local a={};
for i,t in i(t)do
local i;
for e in n:childtags()do
if t.name==e.attr.var then
i=e;
break;
end
end
if not i then
if t.required then
a[t.name]="Required value missing";
end
else
local e=e[t.type];
if e then
o[t.name],a[t.name]=e(i,t.required);
end
end
end
if u(a)then
return o,a;
end
return o;
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 t=t:get_child_text("value")
local a=l(t);
if a and#a>0 then
return a
elseif t then
return nil,"Invalid JID: "..t;
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=l(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(o,a)
local t={};
for e in o:childtags("value")do
t[#t+1]=e:get_text();
end
return t,(a 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 n;
end)
package.preload['util.caps']=(function(...)
local d=require"util.encodings".base64.encode;
local l=require"util.hashes".sha1;
local n,s,h=table.insert,table.sort,table.concat;
local r=ipairs;
local e=nil;
local function u(e)
local a,i,o={},{},{};
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(i,e.attr.var or"");
elseif e.name=="x"and e.attr.xmlns=="jabber:x:data"then
local t={};
local i;
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
s(a);
if e.attr.var=="FORM_TYPE"then
i=a[1];
elseif#a>0 then
n(t,e.attr.var.."\0"..h(a,"<"));
else
n(t,e.attr.var);
end
end
end
s(t);
t=h(t,"<");
if i then t=i.."\0"..t;end
n(o,t);
end
end
s(a);
s(i);
s(o);
if#a>0 then a=h(a,"<"):gsub("%z","/").."<";else a="";end
if#i>0 then i=h(i,"<").."<";else i="";end
if#o>0 then o=h(o,"<"):gsub("%z","<").."<";else o="";end
local e=a..i..o;
local t=d(l(e));
return t,e;
end
return{
calculate_hash=u;
};
end)
package.preload['util.vcard']=(function(...)
local o=require"util.stanza";
local a,u=table.insert,table.concat;
local h=type;
local e,s,m=next,pairs,ipairs;
local c,d,l,r;
local f="\n";
local i;
local function e()
error"Not implemented"
end
local function e()
error"Not implemented"
end
local function w(e)
return e:gsub("[,:;\\]","\\%1"):gsub("\n","\\n");
end
local function n(e)
return e:gsub("\\?[\\nt:;,]",{
["\\\\"]="\\",
["\\n"]="\n",
["\\r"]="\r",
["\\t"]="\t",
["\\:"]=":",
["\\;"]=";",
["\\,"]=",",
[":"]="\29",
[";"]="\30",
[","]="\31",
});
end
local function y(t)
local a=o.stanza(t.name,{xmlns="vcard-temp"});
local e=i[t.name];
if e=="text"then
a:text(t[1]);
elseif h(e)=="table"then
if e.types and t.TYPE then
if h(t.TYPE)=="table"then
for o,e in s(e.types)do
for o,t in s(t.TYPE)do
if t:upper()==e then
a:tag(e):up();
break;
end
end
end
else
a:tag(t.TYPE:upper()):up();
end
end
if e.props then
for o,e in s(e.props)do
if t[e]then
a:tag(e):up();
end
end
end
if e.value then
a:tag(e.value):text(t[1]):up();
elseif e.values then
local o=e.values;
local i=o.behaviour=="repeat-last"and o[#o];
for o=1,#t do
a:tag(e.values[o]or i):text(t[o]):up();
end
end
end
return a;
end
local function t(e)
local t=o.stanza("vCard",{xmlns="vcard-temp"});
for a=1,#e do
t:add_child(y(e[a]));
end
return t;
end
function r(e)
if not e[1]or e[1].name then
return t(e)
else
local a=o.stanza("xCard",{xmlns="vcard-temp"});
for o=1,#e do
a:add_child(t(e[o]));
end
return a;
end
end
function c(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=n(t);
local s,t,n=t:match("^([-%a]+)(\30?[^\29]*)\29(.*)$");
n=n:gsub("\29",":");
if#t>0 then
local a={};
for e,o,i in t:gmatch("\30([^=]+)(=?)([^\30]*)")do
e=e:upper();
local t={};
for e in i:gmatch("[^\31]+")do
t[#t+1]=e
t[e]=true;
end
if o=="="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 m(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 m(o.props)do
if t[a]then
if t[a]==true then
e[a]=true;
else
for o,t in m(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 n(e)
local t={};
for a=1,#e do
t[a]=w(e[a]);
end
t=u(t,";");
local a="";
for e,t in s(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 o(t)
local e={};
a(e,"BEGIN:VCARD")
for o=1,#t do
a(e,n(t[o]));
end
a(e,"END:VCARD")
return u(e,f);
end
function d(e)
if e[1]and e[1].name then
return o(e)
else
local a={};
for t=1,#e do
a[t]=o(e[t]);
end
return u(a,f);
end
end
local function n(o)
local t=o.name;
local e=i[t];
local t={name=t};
if e=="text"then
t[1]=o:get_text();
elseif h(e)=="table"then
if e.value then
t[1]=o:get_child_text(e.value)or"";
elseif e.values then
local e=e.values;
if e.behaviour=="repeat-last"then
for e=1,#o.tags do
a(t,o.tags[e]:get_text()or"");
end
else
for i=1,#e do
a(t,o:get_child_text(e[i])or"");
end
end
elseif e.names then
local e=e.names;
for a=1,#e do
if o:get_child(e[a])then
t[1]=e[a];
break;
end
end
end
if e.props_verbatim then
for e,a in s(e.props_verbatim)do
t[e]=a;
end
end
if e.types then
local e=e.types;
t.TYPE={};
for i=1,#e do
if o:get_child(e[i])then
a(t.TYPE,e[i]:lower());
end
end
if#t.TYPE==0 then
t.TYPE=nil;
end
end
if e.props then
local e=e.props;
for i=1,#e do
local e=e[i]
local o=o:get_child_text(e);
if o then
t[e]=t[e]or{};
a(t[e],o);
end
end
end
else
return nil
end
return t;
end
local function t(e)
local e=e.tags;
local t={};
for o=1,#e do
a(t,n(e[o]));
end
return t
end
function l(e)
if e.attr.xmlns~="vcard-temp"then
return nil,"wrong-xmlns";
end
if e.name=="xCard"then
local a={};
local e=e.tags;
for o=1,#e do
a[o]=t(e[o]);
end
return a
elseif e.name=="vCard"then
return t(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=c;
to_text=d;
from_xep54=l;
to_xep54=r;
lua_to_text=d;
lua_to_xep54=r;
text_to_lua=c;
text_to_xep54=function(...)return r(c(...));end;
xep54_to_lua=l;
xep54_to_text=function(...)return d(l(...))end;
};
end)
package.preload['util.logger']=(function(...)
local o=pairs;
local e=nil;
local t={};
local e;
local function i(t)
local a=e(t,"debug");
local n=e(t,"info");
local i=e(t,"warn");
local o=e(t,"error");
return function(t,e,...)
if t=="debug"then
return a(e,...);
elseif t=="info"then
return n(e,...);
elseif t=="warn"then
return i(e,...);
elseif t=="error"then
return o(e,...);
end
end
end
function e(o,a)
local e=t[a];
if not e then
e={};
t[a]=e;
end
local e=function(i,...)
for t=1,#e do
e[t](o,a,i,...);
end
end
return e;
end
local function n()
for t,e in o(t)do
for t=1,#e do
e[t]=nil;
end
end
end
local function o(e,a)
if not t[e]then
t[e]={a};
else
t[e][#t[e]+1]=a;
end
end
return{
init=i;
make_logger=e;
reset=n;
add_level_sink=o;
new=e;
};
end)
package.preload['util.datetime']=(function(...)
local e=os.date;
local i=os.time;
local w=os.difftime;
local l=tonumber;
local t=nil;
local function c(t)
return e("!%Y-%m-%d",t);
end
local function u(t)
return e("!%Y-%m-%dT%H:%M:%SZ",t);
end
local function m(t)
return e("!%H:%M:%S",t);
end
local function f(t)
return e("!%Y%m%dT%H:%M:%S",t);
end
local function y(t)
if t then
local n,d,h,s,r,o,a;
n,d,h,s,r,o,a=t:match("^(%d%d%d%d)%-?(%d%d)%-?(%d%d)T(%d%d):(%d%d):(%d%d)%.?%d*([Z+%-]?.*)$");
if n then
local u=w(i(e("*t")),i(e("!*t")));
local t=0;
if a~=""and a~="Z"then
local o,a,e=a:match("([+%-])(%d%d):?(%d*)");
if not o then return;end
if#e~=2 then e="0";end
a,e=l(a),l(e);
t=a*60*60+e*60;
if o=="-"then t=-t;end
end
o=(o+u)-t;
return i({year=n,month=d,day=h,hour=s,min=r,sec=o,isdst=false});
end
end
end
return{
date=c;
datetime=u;
time=m;
legacy=f;
parse=y;
};
end)
package.preload['util.json']=(function(...)
local v=type;
local t,p,y,j=table.insert,table.concat,table.remove,table.sort;
local n=string.char;
local q,l=tostring,tonumber;
local c,s=pairs,ipairs;
local i=next;
local b,w=getmetatable,setmetatable;
local m=print;
local a,e=pcall(require,"util.array");
local f=a and b(e())or{};
local a={};
local r=w({},{__tostring=function()return"null";end;});
a.null=r;
local d={
["\""]="\\\"",["\\"]="\\\\",["\b"]="\\b",
["\f"]="\\f",["\n"]="\\n",["\r"]="\\r",["\t"]="\\t"};
local e={
["\""]="\"",["\\"]="\\",["/"]="/",
b="\b",f="\f",n="\n",r="\r",t="\t"};
for t=0,31 do
local e=n(t);
if not d[e]then d[e]=("\\u%.4X"):format(t);end
end
local function x(e)
if e<128 then return n(e);end
local t=e%64;
if e<2048 then
local e=(e-t)/64;
return n(128+64+e,128+t);
end
local a=e%4096;
local o=(a-t)/64;
local e=(e-a)/4096;
return n(128+64+32+e,128+o,128+t);
end
local g={
number=true,
string=true,
table=true,
boolean=true
};
local z={
__array=true;
__hash=true;
};
local o,k,h,u;
function u(a,e)
t(e,"\""..(a:gsub(".",d)).."\"");
end
function h(a,e)
t(e,"[");
if i(a)then
for i,a in s(a)do
o(a,e);
t(e,",");
end
y(e);
end
t(e,"]");
end
function k(l,e)
local a={};
local d={};
local n={};
for e,t in s(l)do
a[e]=t;
end
for e,t in c(l)do
local o,i=v(e),v(t);
if g[i]or t==r then
if o=="string"and not z[e]then
n[e]=t;
elseif(g[o]or e==r)and a[e]==nil then
d[e]=t;
end
end
end
if i(d)~=nil or i(n)~=nil or i(a)==nil then
t(e,"{");
local r=#e;
if e.ordered then
local a={};
for e in c(n)do
t(a,e);
end
j(a);
for i,a in s(a)do
u(a,e);
t(e,":");
o(n[a],e);
t(e,",");
end
else
for a,i in c(n)do
u(a,e);
t(e,":");
o(i,e);
t(e,",");
end
end
if i(d)~=nil then
t(e,"\"__hash\":[");
for i,a in c(d)do
o(i,e);
t(e,",");
o(a,e);
t(e,",");
end
y(e);
t(e,"]");
t(e,",");
end
if i(a)then
t(e,"\"__array\":");
h(a,e);
t(e,",");
end
if r~=#e then y(e);end
t(e,"}");
else
h(a,e);
end
end
function o(e,a)
local o=v(e);
if e==r then
t(a,"null");
elseif o=="number"then
t(a,q(e));
elseif o=="string"then
u(e,a);
elseif o=="table"then
local t=b(e);
if t==f then
h(e,a);
else
k(e,a);
end
elseif o=="boolean"then
t(a,(e and"true"or"false"));
else
t(a,"null");
end
end
function a.encode(t)
local e={};
o(t,e);
return p(e);
end
function a.encode_ordered(t)
local e={ordered=true};
o(t,e);
return p(e);
end
function a.encode_array(t)
local e={};
h(t,e);
return p(e);
end
local function o(t,e)
return t:find("[^ \t\r\n]",e)or e;
end
local function d(e)
local a=e.__array;
if a then
e.__array=nil;
for o,a in s(a)do
t(e,a);
end
end
local a=e.__hash;
if a then
e.__hash=nil;
local t;
for o,a in s(a)do
if t~=nil then
e[t]=a;t=nil;
else
t=a;
end
end
end
return e;
end
local i,h;
local function u(t,e)
local a={};
while true do
local n,s;
e=o(t,e+1);
if t:byte(e)~=34 then
if t:byte(e)==125 then return a,e+1;end
return nil,"key expected";
end
n,e=h(t,e);
if n==nil then return nil,e;end
e=o(t,e);
if t:byte(e)~=58 then return nil,"colon expected";end
s,e=i(t,e+1);
if s==nil then return nil,e;end
a[n]=s;
e=o(t,e);
local t=t:byte(e);
if t==125 then return d(a),e+1;end
if t~=44 then return nil,"object eof";end
end
end
local function c(a,e)
local s={};
local h=e;
while true do
local n;
n,e=i(a,e+1);
if n==nil then
if a:byte(h+1)==93 then return w(s,f),h+2;end
return n,e;
end
t(s,n);
e=o(a,e);
local t=a:byte(e);
if t==93 then return w(s,f),e+1;end
if t~=44 then return nil,"array eof";end
end
end
local s;
local function e(e)
local t,e=l(e:sub(3,6),16),l(e:sub(9,12),16);
local e=t*1024+e-56613888;
local o=e%64;
e=(e-o)/64;
local a=e%64;
e=(e-a)/64;
local t=e%64;
e=(e-t)/64;
return n(240+e,128+t,128+a,128+o);
end
local function n(e)
e=e:match("%x%x%x%x",3);
if e then
return x(l(e,16));
end
s=true;
end
function h(a,e)
e=e+1;
local t=a:find("\"",e,true);
if t then
local e=a:sub(e,t-1);
s=nil;
e=e:gsub("\\u.?.?.?.?",n);
if s then return nil,"invalid escape";end
return e,t+1;
end
return nil,"string eof";
end
local function d(e,t)
local e=e:match("[0-9%.%-eE%+]+",t);
return l(e),t+#e;
end
local function l(t,e)
local t,o,a=t:byte(e+1,e+3);
if t==117 and o==108 and a==108 then
return r,e+4;
end
return nil,"null parse failed";
end
local function s(t,e)
local o,a,t=t:byte(e+1,e+3);
if o==114 and a==117 and t==101 then
return true,e+4;
end
return nil,"true parse failed";
end
local function n(t,e)
local t,o,a,i=t:byte(e+1,e+4);
if t==97 and o==108 and a==115 and i==101 then
return false,e+5;
end
return nil,"false parse failed";
end
function i(a,e)
e=o(a,e);
local t=a:byte(e);
if t==123 then
return u(a,e);
elseif t==91 then
return c(a,e);
elseif t==34 then
return h(a,e);
elseif t~=nil and t>=48 and t<=57 or t==45 then
return d(a,e);
elseif t==110 then
return l(a,e);
elseif t==116 then
return s(a,e);
elseif t==102 then
return n(a,e);
else
return nil,"value expected";
end
end
local t={
["\\\""]="\\u0022";
["\\\\"]="\\u005c";
["\\/"]="\\u002f";
["\\b"]="\\u0008";
["\\f"]="\\u000C";
["\\n"]="\\u000A";
["\\r"]="\\u000D";
["\\t"]="\\u0009";
["\\u"]="\\u";
};
function a.decode(e)
e=e:gsub("\\.",t)
local t,a=i(e,1);
if t==nil then return t,a;end
if e:find("[^ \t\r\n]",a)then return nil,"garbage at eof";end
return t;
end
function a.test(e)
local e=a.encode(e);
local t=a.decode(e);
local t=a.encode(t);
if e~=t then
m("FAILED");
m("encoded:",e);
m("recoded:",t);
else
m(e);
end
return e==t;
end
return a;
end)
package.preload['util.xml']=(function(...)
local t=require"util.stanza";
local h=require"lxp";
local e=nil;
local e=(function()
local n={
["http://www.w3.org/XML/1998/namespace"]="xml";
};
local e="\1";
local i="^([^"..e.."]*)"..e.."?(.*)$";
return function(s)
local o={};
local a=t.stanza("root");
function o:StartElement(t,e)
local t,o=t:match(i);
if o==""then
t,o="",t;
end
if t~=""then
e.xmlns=t;
end
for t=1,#e do
local a=e[t];
e[t]=nil;
local t,o=a:match(i);
if o~=""then
t=n[t];
if t then
e[t..":"..o]=e[a];
e[a]=nil;
end
end
end
a:tag(o,e);
end
function o:CharacterData(e)
a:text(e);
end
function o:EndElement()
a:up();
end
local t=h.new(o,"\1");
local e,n,i,o=t:parse(s);
if e then e,n,i,o=t:parse();end
if e then
return a.tags[1];
else
return e,n.." (line "..i..", col "..o..")";
end
end;
end)();
return{
parse=e;
};
end)
package.preload['util.rsm']=(function(...)
local s=require"util.stanza".stanza;
local a,i=tostring,tonumber;
local h=type;
local r=pairs;
local n='http://jabber.org/protocol/rsm';
local o={};
do
local e=o;
local function t(e)
return i((e:get_text()));
end
local function a(t)
return t:get_text();
end
e.after=a;
e.before=function(e)
local e=e:get_text();
return e==""or e;
end;
e.max=t;
e.index=t;
e.first=function(e)
return{index=i(e.attr.index);e:get_text()};
end;
e.last=a;
e.count=t;
end
local h=setmetatable({
first=function(t,e)
if h(e)=="table"then
t:tag("first",{index=e.index}):text(e[1]):up();
else
t:tag("first"):text(a(e)):up();
end
end;
before=function(e,t)
if t==true then
e:tag("before"):up();
else
e:tag("before"):text(a(t)):up();
end
end
},{
__index=function(t,e)
return function(o,t)
o:tag(e):text(a(t)):up();
end
end;
});
local function a(e)
local i={};
for a in e:childtags()do
local e=a.name;
local t=e and o[e];
if t then
i[e]=t(a);
end
end
return i;
end
local function i(t)
local e=s("set",{xmlns=n});
for t,a in r(t)do
if o[t]then
h[t](e,a);
end
end
return e;
end
local function t(e)
local e=e:get_child("set",n);
if e and#e.tags>0 then
return a(e);
end
end
return{parse=a,generate=i,get=t};
end)
package.preload['util.random']=(function(...)
local e=io.open("/dev/urandom","r");
if e then
return{
seed=function()end;
bytes=function(t)return e:read(t);end
};
end
local e=require"crypto"
return e.rand;
end)
package.preload['util.ip']=(function(...)
local o={};
local i={__index=function(t,e)return(o[e])(t);end,
__tostring=function(e)return e.addr;end,
__eq=function(e,t)return e.addr==t.addr;end};
local n={["0"]="0000",["1"]="0001",["2"]="0010",["3"]="0011",["4"]="0100",["5"]="0101",["6"]="0110",["7"]="0111",["8"]="1000",["9"]="1001",["A"]="1010",["B"]="1011",["C"]="1100",["D"]="1101",["E"]="1110",["F"]="1111"};
local function e(e,t)
if not t then
local a=e:match("^%x+(.)");
if a==":"or(not(a)and e:sub(1,1)==":")then
t="IPv6"
elseif a=="."then
t="IPv4"
end
if not t then
return nil,"invalid address";
end
elseif t~="IPv4"and t~="IPv6"then
return nil,"invalid protocol";
end
local a;
if t=="IPv6"and e:find('%',1,true)then
e,a=e:match("^(.-)%%(.*)");
end
if t=="IPv6"and e:find('.',1,true)then
local t;
e,t=e:gsub(":(%d+)%.(%d+)%.(%d+)%.(%d+)$",function(e,a,t,o)
return(":%04X:%04X"):format(e*256+a,t*256+o);
end);
if t~=1 then return nil,"invalid-address";end
end
return setmetatable({addr=e,proto=t,zone=a},i);
end
local function i(t)
local e="";
local a={};
if t.proto=="IPv4"then
t=t.toV4mapped;
end
t=(t.addr):upper();
t:gsub("([^:]*):?",function(e)a[#a+1]=e end);
if not t:match(":$")then a[#a]=nil;end
for o,t in ipairs(a)do
if t:len()==0 and o~=1 and o~=#a then
for t=1,16*(9-#a)do
e=e.."0";
end
else
for t=1,4-t:len()do
e=e.."0000";
end
for a=1,t:len()do
e=e..n[t:sub(a,a)];
end
end
end
return e;
end
local function t(a,t)
a,t=i(a),i(t);
for e=1,128 do
if a:sub(e,e)~=t:sub(e,e)then
return e-1;
end
end
return 128;
end
local function s(t)
local e={};
t:gsub("([^.]*).?",function(t)e[#e+1]=tonumber(t)end);
if e[1]==127 then
return 2;
elseif e[1]==169 and e[2]==254 then
return 2;
else
return 14;
end
end
local function r(e)
if e:match("^[0:]*1$")then
return 2;
elseif e:match("^[Ff][Ee][89ABab]")then
return 2;
elseif e:match("^[Ff][Ee][CcDdEeFf]")then
return 5;
elseif e:match("^[Ff][Ff]")then
return tonumber("0x"..e:sub(4,4));
else
return 14;
end
end
local function n(a)
if t(a,e("::1","IPv6"))==128 then
return 0;
elseif t(a,e("2002::","IPv6"))>=16 then
return 2;
elseif t(a,e("2001::","IPv6"))>=32 then
return 5;
elseif t(a,e("fc00::","IPv6"))>=7 then
return 13;
elseif t(a,e("fec0::","IPv6"))>=10 then
return 11;
elseif t(a,e("3ffe::","IPv6"))>=16 then
return 12;
elseif t(a,e("::","IPv6"))>=96 then
return 3;
elseif t(a,e("::ffff:0:0","IPv6"))>=96 then
return 4;
else
return 1;
end
end
local function i(a)
if t(a,e("::1","IPv6"))==128 then
return 50;
elseif t(a,e("2002::","IPv6"))>=16 then
return 30;
elseif t(a,e("2001::","IPv6"))>=32 then
return 5;
elseif t(a,e("fc00::","IPv6"))>=7 then
return 3;
elseif t(a,e("fec0::","IPv6"))>=10 then
return 1;
elseif t(a,e("3ffe::","IPv6"))>=16 then
return 1;
elseif t(a,e("::","IPv6"))>=96 then
return 1;
elseif t(a,e("::ffff:0:0","IPv6"))>=96 then
return 35;
else
return 40;
end
end
local function h(o)
local a={};
local t="::ffff:";
o:gsub("([^.]*).?",function(e)a[#a+1]=tonumber(e)end);
t=t..("%02x"):format(a[1]);
t=t..("%02x"):format(a[2]);
t=t..":"
t=t..("%02x"):format(a[3]);
t=t..("%02x"):format(a[4]);
return e(t,"IPv6");
end
function o:toV4mapped()
if self.proto~="IPv4"then return nil,"No IPv4 address"end
local e=h(self.addr);
self.toV4mapped=e;
return e;
end
function o:label()
local e;
if self.proto=="IPv4"then
e=n(self.toV4mapped);
else
e=n(self);
end
self.label=e;
return e;
end
function o:precedence()
local e;
if self.proto=="IPv4"then
e=i(self.toV4mapped);
else
e=i(self);
end
self.precedence=e;
return e;
end
function o:scope()
local e;
if self.proto=="IPv4"then
e=s(self.addr);
else
e=r(self.addr);
end
self.scope=e;
return e;
end
function o:private()
local t=self.scope~=14;
if not t and self.proto=="IPv4"then
local a=self.addr;
local e={};
a:gsub("([^.]*).?",function(t)e[#e+1]=tonumber(t)end);
if e[1]==127 or e[1]==10 or(e[1]==192 and e[2]==168)
or(e[1]==172 and(e[2]>=16 or e[2]<=32))then
t=true;
end
end
self.private=t;
return t;
end
local function i(t)
local o;
local a=t:find("/",1,true);
if a then
o=tonumber(t:sub(a+1,-1));
t=t:sub(1,a-1);
end
return e(t),o;
end
local function n(e,a,o)
local e=t(e,a);
if o and a.proto=="IPv4"then
e=e-96;
end
return e>=(o or 128);
end
return{new_ip=e,
commonPrefixLength=t,
parse_cidr=i,
match=n};
end)
package.preload['util.time']=(function(...)
local e=require"socket".gettime;
return{
now=e;
}
end)
package.preload['util.sasl.scram']=(function(...)
local i,l=require"mime".b64,require"mime".unb64;
local e=require"util.hashes";
local a=require"bit";
local r=require"util.random";
local p=tonumber;
local d,t=string.char,string.byte;
local s=string.gsub;
local h=a.bxor;
local function n(e,o)
return(s(e,"()(.)",function(e,a)
return d(h(t(a),t(o,e)))
end));
end
local y,e=e.sha1,e.hmac_sha1;
local function f(o,t,i)
local t=e(o,t.."\0\0\0\1");
local a=t;
for i=2,i do
t=e(o,t);
a=n(a,t);
end
return a;
end
local function w(e)
return e;
end
local function t(e)
return(s(e,"[,=]",{[","]="=2C",["="]="=3D"}));
end
local function u(o,a)
local t="n="..t(o.username);
local d=i(r.bytes(15));
local r="r="..d;
local h=t..","..r;
local s="";
local t=o.conn:ssl()and"y"or"n";
if a=="SCRAM-SHA-1-PLUS"then
s=o.conn:socket():getfinished();
t="p=tls-unique";
end
local u=t..",,";
local t=u..h;
local t,m=coroutine.yield(t);
if t~="challenge"then return false end
local a,t,c=m:match("(r=[^,]+),s=([^,]*),i=(%d+)");
local c=p(c);
t=l(t);
if not a or not t or not c then
return false,"Could not parse server_first_message";
elseif a:find(d,3,true)~=3 then
return false,"nonce sent by server does not match our nonce";
elseif a==r then
return false,"server did not append s-nonce to nonce";
end
local s=u..s;
local s="c="..i(s);
local s=s..","..a;
local o=f(w(o.password),t,c);
local t=e(o,"Client Key");
local r=y(t);
local a=h..","..m..","..s;
local h=e(r,a);
local n=n(t,h);
local t=e(o,"Server Key");
local t=e(t,a);
local e="p="..i(n);
local e=s..","..e;
local e,a=coroutine.yield(e);
if e~="success"then return false,"success-expected"end
local e=a:match("v=([^,]+)");
if l(e)~=t then
return false,"server signature did not match";
end
return true;
end
return function(e,t)
if e.username and(e.password or(e.client_key or e.server_key))then
if t=="SCRAM-SHA-1"then
return u,99;
elseif t=="SCRAM-SHA-1-PLUS"then
local e=e.conn:ssl()and e.conn:socket();
if e and e.getfinished then
return u,100;
end
end
end
end
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['util.sasl.anonymous']=(function(...)
return function(t,e)
if e=="ANONYMOUS"then
return function()
return coroutine.yield()=="success";
end,0;
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 i(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 o(t)
if t.name=="proceed"then
e:debug("Server says proceed, handshake starting...");
e.conn:starttls(e.ssl or{mode="client",protocol="sslv23",options="no_sslv2",capath="/etc/ssl/certs"},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",i,400);
e:hook("stream/"..t,o);
e:hook("status",a,400);
return true;
end
end)
package.preload['verse.plugins.sasl']=(function(...)
local n=require"verse";
local s,h=require"mime".b64,require"mime".unb64;
local a="urn:ietf:params:xml:ns:xmpp-sasl";
function n.plugins.sasl(e)
local function r(t)
if e.authenticated then return;end
e:debug("Authenticating with SASL...");
local t=t:get_child("mechanisms",a);
if not t then return end
local o={};
local i={};
for t in t:childtags("mechanism")do
t=t:get_text();
e:debug("Server offers %s",t);
if not o[t]then
local n=t:match("[^-]+");
local s,a=pcall(require,"util.sasl."..n:lower());
if s then
e:debug("Loaded SASL %s module",n);
o[t],i[t]=a(e,t);
elseif not tostring(a):match("not found")then
e:debug("Loading failed: %s",tostring(a));
end
end
end
local t={};
for e in pairs(o)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(t,e)return i[t]>i[e];end);
local t,i=t[1];
e:debug("Selecting %s mechanism...",t);
e.sasl_mechanism=coroutine.wrap(o[t]);
i=e:sasl_mechanism(t);
local t=n.stanza("auth",{xmlns=a,mechanism=t});
if i then
t:text(s(i));
end
e:send(t);
return true;
end
local function o(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,o=e.sasl_mechanism(t.name,h(t:get_text()));
if not t then
e:event("authentication-failure",{condition=o});
e:close();
return false;
elseif t==true then
e:event("authentication-success");
e.authenticated=true
e:reopen();
else
e:send(n.stanza("response",{xmlns=a}):text(s(t)));
end
return true;
end
e:hook("stream-features",r,300);
e:hook("stream/"..a,o);
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 o,a,t=t:get_error();
e:event("bind-failure",{error=a,text=t,type=o});
end
end);
end
e:hook("stream-features",i,200);
return true;
end
end)
package.preload['verse.plugins.session']=(function(...)
local t=require"verse";
local a="urn:ietf:params:xml:ns:xmpp-session";
function t.plugins.session(e)
local function i(o)
local o=o:get_child("session",a);
if o and not o:get_child("optional")then
local function o(o)
e:debug("Establishing Session...");
e:send_iq(t.iq({type="set"}):tag("session",{xmlns=a}),
function(t)
if t.attr.type=="result"then
e:event("session-success");
elseif t.attr.type=="error"then
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",o);
end
end
e:hook("stream-features",i);
return true;
end
end)
package.preload['verse.plugins.legacy']=(function(...)
local i=require"verse";
local s=require"util.uuid".generate;
local o="jabber:iq:auth";
function i.plugins.legacy(e)
local function n(t)
local a=t:get_child("query",o);
if t.attr.type~="result"or not a then
local o,a,t=t:get_error();
e:debug("warn","%s %s: %s",o,a,t);
end
local t={
username=e.username;
password=e.password;
resource=e.resource or s();
digest=false,sequence=false,token=false;
};
local o=i.iq({to=e.host,type="set"})
:tag("query",{xmlns=o});
if#a>0 then
for a in a:childtags()do
local a=a.name;
local i=t[a];
if i then
o:tag(a):text(t[a]):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
o:tag(t):text(e):up();
end
end
end
e:send_iq(o,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
local function t(t)
if not t.version then
e:send_iq(i.iq({type="get"})
:tag("query",{xmlns="jabber:iq:auth"})
:tag("username"):text(e.username),
n);
end
end
e:hook("opened",t);
end
end)
package.preload['verse.plugins.compression']=(function(...)
local a=require"verse";
local i=require"zlib";
local e="http://jabber.org/features/compress"
local t="http://jabber.org/protocol/compress"
local e="http://etherx.jabber.org/streams";
local e=9;
local function h(o)
local i,e=pcall(i.deflate,e);
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 d(o)
local i,e=pcall(i.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 l(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 r(e,i)
local s=e.data
e.data=function(n,o)
e:debug("Decompressing data...");
local i,o,h=pcall(i,o);
if i==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(n,o);
end;
end
function a.plugins.compression(e)
local function i(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=h(e);
if not t then return end
local a=d(e);
if not a then return end
l(e,t);
r(e,a);
e.compressed=true;
e:reopen();
elseif t.name=="failure"then
e:warn("Failed to establish compression");
end
end
e:hook("stream-features",i,250);
e:hook("stream/"..t,o);
end
end)
package.preload['verse.plugins.smacks']=(function(...)
local s=require"verse";
local h=require"socket".gettime;
local n="urn:xmpp:sm:2";
function s.plugins.smacks(e)
local t={};
local a=0;
local r=h();
local o;
local i=0;
local function l(t)
if t.attr.xmlns=="jabber:client"or not t.attr.xmlns then
i=i+1;
e:debug("Increasing handled stanzas to %d for %s",i,t:top_tag());
end
end
local function d(a)
if a.name and not a.attr.xmlns then
t[#t+1]=tostring(a);
r=h();
if not o then
o=true;
e:debug("Waiting to send ack request...");
s.add_task(1,function()
if#t==0 then
o=false;
return;
end
local a=h()-r;
if a<1 and#t<10 then
return 1-a;
end
e:debug("Time up, sending <r>...");
o=false;
e:send(s.stanza("r",{xmlns=n}));
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;
s.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 u(o)
if o.name=="r"then
e:debug("Ack requested... acking %d handled stanzas",i);
e:send(s.stanza("a",{xmlns=n,h=tostring(i)}));
elseif o.name=="a"then
local o=tonumber(o.attr.h);
if o>a then
local i=#t;
for a=a+1,o do
table.remove(t,1);
end
e:debug("Received ack: New ack: "..o.." Last ack: "..a.." Unacked stanzas now: "..#t.." (was "..i..")");
a=o;
else
e:warn("Received bad ack for "..o.." when last ack was "..a);
end
elseif o.name=="enabled"then
if o.attr.id then
e.resumption_token=o.attr.id;
e:hook("closed",r,100);
e:hook("disconnected",h,100);
end
elseif o.name=="resumed"then
local o=tonumber(o.attr.h);
if o>a then
local i=#t;
for a=a+1,o do
table.remove(t,1);
end
e:debug("Received ack: New ack: "..o.." Last ack: "..a.." Unacked stanzas now: "..#t.." (was "..i..")");
a=o;
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 "..n.."/"..o.name);
end
end
local function o()
if not e.smacks then
e:debug("smacks: sending enable");
e:send(s.stanza("enable",{xmlns=n,resume="true"}));
e.smacks=true;
e:hook("stanza",l);
e:hook("outgoing",d);
end
end
local function a(t)
if t:get_child("sm",n)then
e.stream_management_supported=true;
if e.smacks and e.bound then
e:debug("Resuming stream with %d handled stanzas",i);
e:send(s.stanza("resume",{xmlns=n,
h=i,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/"..n,u);
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 h=require("util.hashes").sha1;
local s="http://jabber.org/protocol/caps";
local e="http://jabber.org/protocol/disco";
local i=e.."#info";
local o=e.."#items";
function a.plugins.disco(e)
e:add_plugin("presence");
local t={
__index=function(t,e)
local a={identities={},features={}};
if e=="identities"or e=="features"then
return t[false][e]
end
t[e]=a;
return a;
end,
};
local n={
__index=function(t,a)
local e={};
t[a]=e;
return e;
end,
};
e.disco={
cache={},
info=setmetatable({
[false]={
identities={
{category='client',type='pc',name='Verse'},
},
features={
[s]=true,
[i]=true,
[o]=true,
},
},
},t);
items=setmetatable({[false]={}},n);
};
e.caps={}
e.caps.node='http://code.matthewwild.co.uk/verse/'
local function n(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 d(e,t)
return e.var<t.var
end
local function l(o)
local t=e.disco.info[o or false].identities;
table.sort(t,n)
local a={};
for e in pairs(e.disco.info[o or false].features)do
a[#a+1]={var=e};
end
table.sort(a,d)
local e={};
for a,t in pairs(t)do
e[#e+1]=table.concat({
t.category,t.type or'',
t['xml:lang']or'',t.name or''
},'/');
end
for a,t in pairs(a)do
e[#e+1]=t.var
end
e[#e+1]='';
e=table.concat(e,'<');
return(r(h(e)))
end
setmetatable(e.caps,{
__call=function(...)
local t=l()
e.caps.hash=t;
return a.stanza('c',{
xmlns=s,
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(e,t,a)
local o=self.disco.cache[e];
if not o then
return nil,"no-cache";
end
local e=self.disco.cache[e].identities;
if a then
return e[t.."/"..a]or false;
end
for e in pairs(e)do
if e:match("^(.*)/")==t 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=i,node=t});
self:send_iq(a,function(n)
if n.attr.type=="error"then
return s(nil,n:get_error());
end
local o,a={},{};
for e in n:get_child("query",i):childtags()do
if e.name=="identity"then
o[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=o;
self.disco.cache[e].nodes[t].features=a;
else
self.disco.cache[e].identities=o;
self.disco.cache[e].features=a;
end
return s(self.disco.cache[e]);
end);
end
function e:disco_items(t,i,n)
local a=a.iq({to=t,type="get"})
:tag("query",{xmlns=o,node=i});
self:send_iq(a,function(a)
if a.attr.type=="error"then
return n(nil,a:get_error());
end
local e={};
for t in a:get_child("query",o):childtags()do
if t.name=="item"then
table.insert(e,{
name=t.attr.name;
jid=t.attr.jid;
node=t.attr.node;
});
end
end
if not self.disco.cache[t]then
self.disco.cache[t]={nodes={}};
end
if i then
if not self.disco.cache[t].nodes[i]then
self.disco.cache[t].nodes[i]={nodes={}};
end
self.disco.cache[t].nodes[i].items=e;
else
self.disco.cache[t].items=e;
end
return n(e);
end);
end
e:hook("iq/"..i,function(o)
local t=o.tags[1];
if o.attr.type=='get'and t.name=="query"then
local t=t.attr.node;
local n=e.disco.info[t or false];
if t and t==e.caps.node.."#"..e.caps.hash then
n=e.disco.info[false];
end
local n,s=n.identities,n.features
local t=a.reply(o):tag("query",{
xmlns=i,
node=t,
});
for a,e in pairs(n)do
t:tag('identity',e):up()
end
for a in pairs(s)do
t:tag('feature',{var=a}):up()
end
e:send(t);
return true
end
end);
e:hook("iq/"..o,function(i)
local t=i.tags[1];
if i.attr.type=='get'and t.name=="query"then
local n=e.disco.items[t.attr.node or false];
local t=a.reply(i):tag('query',{
xmlns=o,
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 t,a in ipairs(t)do
local t=e.disco.cache[a.jid];
if t then
for t in pairs(t.identities)do
local o,t=t:match("^(.*)/(.*)$");
e:event("disco/service-discovered/"..o,{
type=t,jid=a.jid;
});
end
end
end
e:event("ready");
end);
return true;
end,50);
e:hook("presence-out",function(t)
if not t:get_child("c",s)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(e,t)
t=t or function(e)return self:event("version/response",e);end
self:send_iq(o.iq({type="get",to=e})
: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 e,o,a=o:get_error();
t({
error=true;
condition=o;
text=a;
type=e;
});
end
end);
end
return true;
end
end)
package.preload['verse.plugins.ping']=(function(...)
local t=require"verse";
local i=require"socket".gettime;
local n="urn:xmpp:ping";
function t.plugins.ping(e)
function e:ping(a,o)
local s=i();
e:send_iq(t.iq{to=a,type="get"}:tag("ping",{xmlns=n}),
function(e)
if e.attr.type=="error"then
local t,e,i=e:get_error();
if e~="service-unavailable"and e~="feature-not-implemented"then
o(nil,a,{type=t,condition=e,text=i});
return;
end
end
o(i()-s,a);
end);
end
e:hook("iq/"..n,function(a)
return e:send(t.reply(a));
end);
return true;
end
end)
package.preload['verse.plugins.uptime']=(function(...)
local o=require"verse";
local t="jabber:iq:last";
local function a(t,e)
t.starttime=e.starttime;
end
function o.plugins.uptime(e)
e.uptime={set=a};
e:hook("iq/"..t,function(a)
if a.attr.type~="get"then return;end
local t=o.reply(a)
:tag("query",{seconds=tostring(os.difftime(os.time(),e.uptime.starttime)),xmlns=t});
e:send(t);
return true;
end);
function e:query_uptime(i,a)
a=a or function(t)return e:event("uptime/response",t);end
e:send_iq(o.iq({type="get",to=i})
:tag("query",{xmlns=t}),
function(e)
local t=e:get_child("query",t);
if e.attr.type=="result"then
local e=tonumber(t.attr.seconds);
a({
seconds=e or nil;
});
else
local e,o,t=e:get_error();
a({
error=true;
condition=o;
text=t;
type=e;
});
end
end);
end
return true;
end
end)
package.preload['verse.plugins.blocking']=(function(...)
local a=require"verse";
local o="urn:xmpp:blocking";
function a.plugins.blocking(e)
e.blocking={};
function e.blocking:block_jid(i,t)
e:send_iq(a.iq{type="set"}
:tag("block",{xmlns=o})
: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(a.iq{type="set"}
:tag("unblock",{xmlns=o})
: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(a.iq{type="set"}
:tag("unblock",{xmlns=o})
,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(a.iq{type="get"}
:tag("blocklist",{xmlns=o})
,function(e)
local a=e:get_child("blocklist",o);
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 a=require"verse";
local e=require"util.timer";
local o=require"util.uuid".generate;
local i="urn:xmpp:jingle:1";
local h="urn:xmpp:jingle:errors:1";
local t={};
t.__index=t;
local e={};
local e={};
function a.plugins.jingle(e)
e:hook("ready",function()
e:add_disco_feature(i);
end,10);
function e:jingle(i)
return a.eventable(setmetatable(base or{
role="initiator";
peer=i;
sid=o();
stream=e;
},t));
end
function e:register_jingle_transport(e)
end
function e:register_jingle_content_type(e)
end
local function u(n)
local r=n:get_child("jingle",i);
local s=r.attr.sid;
local o=r.attr.action;
local s=e:event("jingle/"..s,n);
if s==true then
e:send(a.reply(n));
return true;
end
if o~="session-initiate"then
local t=a.error_reply(n,"cancel","item-not-found")
:tag("unknown-session",{xmlns=h}):up();
e:send(t);
return;
end
local l=r.attr.sid;
local o=a.eventable{
role="receiver";
peer=n.attr.from;
sid=l;
stream=e;
};
setmetatable(o,t);
local s;
local h,d;
for t in r:childtags()do
if t.name=="content"and t.attr.xmlns==i then
local i=t:child_with_name("description");
local a=i.attr.xmlns;
if a then
local e=e:event("jingle/content/"..a,o,i);
if e then
h=e;
end
end
local a=t:child_with_name("transport");
local i=a.attr.xmlns;
d=e:event("jingle/transport/"..i,o,a);
if h and d then
s=t;
break;
end
end
end
if not h then
e:send(a.error_reply(n,"cancel","feature-not-implemented","The specified content is not supported"));
return true;
end
if not d then
e:send(a.error_reply(n,"cancel","feature-not-implemented","The specified transport is not supported"));
return true;
end
e:send(a.reply(n));
o.content_tag=s;
o.creator,o.name=s.attr.creator,s.attr.name;
o.content,o.transport=h,d;
function o:decline()
end
e:hook("jingle/"..l,function(e)
if e.attr.from~=o.peer then
return false;
end
local e=e:get_child("jingle",i);
return o:handle_command(e);
end);
e:event("jingle",o);
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(o,t,e)
local t=a.iq({to=self.peer,type="set"})
:tag("jingle",{
xmlns=i,
sid=self.sid,
action=o,
initiator=self.role=="initiator"and self.stream.jid or nil,
responder=self.role=="responder"and self.jid or nil,
}):add_child(t);
if not e then
self.stream:send(t);
else
self.stream:send_iq(t,e);
end
end
function t:accept(o)
local t=a.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 a=self.content:generate_accept(self.content_tag:child_with_name("description"),o);
t:add_child(a);
local a=self.transport:generate_accept(self.content_tag:child_with_name("transport"),o);
t:add_child(a);
local a=self;
e:send_iq(t,function(t)
if t.attr.type=="error"then
local a,t,a=t:get_error();
e:error("session-accept rejected: %s",t);
return false;
end
a.transport:connect(function(t)
e:warn("CONNECTED (receiver)!!!");
a.state="active";
a:event("connected",t);
end);
end);
end
e:hook("iq/"..i,u);
return true;
end
function t:offer(t,o)
local e=a.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,o);
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 e,a,t=e:get_error();
return self:event("error",{type=e,condition=a,text=t});
end
end);
self.state="pending";
end
function t:terminate(e)
local e=a.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 o=require"verse";
local i=require"ltn12";
local s=package.config:sub(1,1);
local t="urn:xmpp:jingle:apps:file-transfer:4";
function o.plugins.jingle_ft(e)
e:hook("ready",function()
e:add_disco_feature(t);
end,10);
local a={type="file"};
function a:generate_accept(t,e)
if e and e.save_file then
self.jingle:hook("connected",function()
local e=i.sink.file(io.open(e.save_file,"w+"));
self.jingle:set_sink(e);
end);
end
return t;
end
local a={__index=a};
e:hook("jingle/content/"..t,function(t,e)
local e=e:get_child("file");
local e={
name=e:get_child_text("name");
size=tonumber(e:get_child_text("size"));
desc=e:get_child_text("desc");
date=e:get_child_text("date");
};
return setmetatable({jingle=t,file=e},a);
end);
e:hook("jingle/describe/file",function(e)
local a;
if e.timestamp then
a=os.date("!%Y-%m-%dT%H:%M:%SZ",e.timestamp);
end
return o.stanza("description",{xmlns=t})
:tag("file")
:tag("name"):text(e.filename):up()
:tag("size"):text(tostring(e.size)):up()
:tag("date"):text(a):up()
:tag("desc"):text(e.description):up()
:up();
end);
function e:send_file(n,t)
local e,a=io.open(t);
if not e then return e,a;end
local o=e:seek("end",0);
e:seek("set",0);
local a=i.source.file(e);
local e=self:jingle(n);
e:offer("file",{
filename=t:match("[^"..s.."]+$");
size=o;
});
e:hook("connected",function()
e:set_source(a,true);
end);
return e;
end
end
end)
package.preload['verse.plugins.jingle_s5b']=(function(...)
local a=require"verse";
local o="urn:xmpp:jingle:transports:s5b:1";
local r="http://jabber.org/protocol/bytestreams";
local n=require"util.hashes".sha1;
local s=require"util.uuid".generate;
local function d(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(o,e,i)
local e=a.new(nil,{
streamhosts=e,
current_host=0;
});
local function t(a)
if a then
return o(nil,a.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 t,a=e:connect(
e.streamhosts[e.current_host].host,
e.streamhosts[e.current_host].port
);
if not t then
e:debug("Error connecting to proxy (%s:%s): %s",
e.streamhosts[e.current_host].host,
e.streamhosts[e.current_host].port,
a
);
else
e:debug("Connecting...");
end
d(e,i);
return true;
end
e:unhook("disconnected",t);
return o(nil);
end
e:hook("disconnected",t,100);
e:hook("connected",function()
e:unhook("disconnected",t);
o(e.streamhosts[e.current_host],e);
end,100);
t();
return e;
end
function a.plugins.jingle_s5b(e)
e:hook("ready",function()
e:add_disco_feature(o);
end,10);
local t={};
function t:generate_initiate()
self.s5b_sid=s();
local a=a.stanza("transport",{xmlns=o,
mode="tcp",sid=self.s5b_sid});
local t=0;
for o,i in pairs(e.proxy65.available_streamhosts)do
t=t+1;
a:tag("candidate",{jid=o,host=i.host,
port=i.port,cid=o,priority=t,type="proxy"}):up();
end
e:debug("Have %d proxies",t)
return a;
end
function t:generate_accept(e)
local t={};
self.s5b_peer_candidates=t;
self.s5b_mode=e.attr.mode or"tcp";
self.s5b_sid=e.attr.sid or self.jingle.sid;
for e in e:childtags()do
t[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=a.stanza("transport",{xmlns=o});
return e;
end
function t:connect(i)
e:warn("Connecting!");
local t={};
for a,e in pairs(self.s5b_peer_candidates or{})do
t[#t+1]=e;
end
if#t>0 then
self.connecting_peer_candidates=true;
local function s(t,e)
self.jingle:send_command("transport-info",a.stanza("content",{creator=self.creator,name=self.name})
:tag("transport",{xmlns=o,sid=self.s5b_sid})
:tag("candidate-used",{cid=t.cid}));
self.onconnect_callback=i;
self.conn=e;
end
local e=n(self.s5b_sid..self.peer..e.jid,true);
h(s,t,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 t:info_received(t)
e:warn("Info received");
local s=t:child_with_name("content");
local i=s:child_with_name("transport");
if i:get_child("candidate-used")and not self.connecting_peer_candidates then
local t=i:child_with_name("candidate-used");
if t then
local function d(i,e)
if self.jingle.role=="initiator"then
self.jingle.stream:send_iq(a.iq({to=i.jid,type="set"})
:tag("query",{xmlns=r,sid=self.s5b_sid})
:tag("activate"):text(self.jingle.peer),function(i)
if i.attr.type=="result"then
self.jingle:send_command("transport-info",a.stanza("content",s.attr)
:tag("transport",{xmlns=o,sid=self.s5b_sid})
:tag("activated",{cid=t.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[t.attr.cid]);
local t={
self.jingle.stream.proxy65.available_streamhosts[t.attr.cid];
};
local e=n(self.s5b_sid..e.jid..self.peer,true);
h(d,t,e);
end
elseif i:get_child("activated")then
self.onconnect_callback(self.conn);
end
end
function t:disconnect()
if self.conn then
self.conn:close();
end
end
function t:handle_accepted(e)
end
local t={__index=t};
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 a=require"verse";
local h=require"util.uuid";
local r=require"util.hashes".sha1;
local n={};
n.__index=n;
local i="http://jabber.org/protocol/bytestreams";
local s;
function a.plugins.proxy65(t)
t.proxy65=setmetatable({stream=t},n);
t.proxy65.available_streamhosts={};
local e=0;
t:hook("disco/service-discovered/proxy",function(o)
if o.type=="bytestreams"then
e=e+1;
t:send_iq(a.iq({to=o.jid,type="get"})
:tag("query",{xmlns=i}),function(a)
e=e-1;
if a.attr.type=="result"then
local e=a:get_child("query",i)
: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/"..i,function(o)
local e=a.new(nil,{
initiator_jid=o.attr.from,
streamhosts={},
current_host=0;
});
for t in o.tags[1]:childtags()do
if t.name=="streamhost"then
table.insert(e.streamhosts,t.attr);
end
end
local function i()
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
);
s(t,e,o.tags[1].attr.sid,o.attr.from,t.jid);
return true;
end
e:unhook("disconnected",i);
t:send(a.error_reply(o,"cancel","item-not-found"));
end
function e:accept()
e:hook("disconnected",i,100);
e:hook("connected",function()
e:unhook("disconnected",i);
local e=a.reply(o)
:tag("query",o.tags[1].attr)
:tag("streamhost-used",{jid=e.streamhosts[e.current_host].jid});
t:send(e);
end,100);
i();
end
function e:refuse()
end
t:event("proxy65/request",e);
end);
end
function n:new(t,n)
local e=a.new(nil,{
target_jid=t;
bytestream_sid=h.generate();
});
local o=a.iq{type="set",to=t}
:tag("query",{xmlns=i,mode="tcp",sid=e.bytestream_sid});
for t,e in ipairs(n or self.proxies)do
o:tag("streamhost",e):up();
end
self.stream:send_iq(o,function(o)
if o.attr.type=="error"then
local t,a,o=o:get_error();
e:event("connection-failed",{conn=e,type=t,condition=a,text=o});
else
local o=o.tags[1]:get_child("streamhost-used");
e.streamhost_jid=o.attr.jid;
local o,h;
for a,t in ipairs(n or self.proxies)do
if t.jid==e.streamhost_jid then
o,h=t.host,t.port;
break;
end
end
e:connect(o,h);
local function o()
e:unhook("connected",o);
local t=a.iq{to=e.streamhost_jid,type="set"}
:tag("query",{xmlns=i,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);
end
end);
return true;
end
e:hook("connected",o,100);
s(self.stream,e,e.bytestream_sid,self.stream.jid,t);
end
end);
return e;
end
function s(i,e,t,o,a)
local t=r(t..o..a);
local function i()
e:unhook("connected",i);
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 a(i)
e:unhook("incoming-raw",a);
if i~="\005\000"then
local t="version-mismatch";
if i: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",i,200);
e:hook("incoming-raw",a,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 s=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 t={__index=a};
local function h(a)
local t=setmetatable({stream=a},t)
t=e.eventable(t);
return t;
end
function a:initiate(a,e,t)
self.block=2048;
self.stanza=t or'iq';
self.peer=a;
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 a=self.stream;
a:hook("iq/"..o,e)
if t=="message"then
a: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=h(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=s();
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 i=require"verse";
local h=table.insert;
local o="http://jabber.org/protocol/pubsub";
local s="http://jabber.org/protocol/pubsub#owner";
local a="http://jabber.org/protocol/pubsub#event";
local e={};
local n={__index=e};
function i.plugins.pubsub(e)
e.pubsub=setmetatable({stream=e},n);
e:hook("message",function(t)
local o=t.attr.from;
for t in t:childtags("event",a)do
local t=t:get_child("items");
if t then
local a=t.attr.node;
for t in t:childtags("item")do
e:event("pubsub/event",{
from=o;
node=a;
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(e,t,a,o)
return self:service(e):node(t):subscribe(a,nil,o);
end
function e:publish(i,o,t,e,a)
return self:service(i):node(o):publish(t,nil,e,a);
end
local a={};
local t={__index=a};
function e:service(e)
return setmetatable({stream=self.stream,service=e},t)
end
local function t(r,h,e,a,n,s,t)
local e=i.iq{type=r or"get",to=h}
:tag("pubsub",{xmlns=e or o})
if a then e:tag(a,{node=n,jid=s});end
if t then e:tag("item",{id=t~=true and t or nil});end
return e;
end
function a:subscriptions(a)
self.stream:send_iq(t(nil,self.service,nil,"subscriptions")
,a and function(i)
if i.attr.type=="result"then
local e=i: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;
h(o,e);
end
end
a(o);
else
a(false,i:get_error());
end
end or nil);
end
function a:affiliations(e)
self.stream:send_iq(t(nil,self.service,nil,"affiliations")
,e and function(t)
if t.attr.type=="result"then
local t=t:get_child("pubsub",o);
local t=t and t:get_child("affiliations")or{};
local a={};
if t then
for t in t:childtags("affiliation")do
local e=self:node(t.attr.node)
e.affiliation=t;
h(a,e);
end
end
e(a);
else
e(false,t: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 n:__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(i,a,e,o)
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,i or true)
:add_child(e)
,o);
end
function e:subscribe(e,o,a)
e=e or self.stream.jid;
if o~=nil then
error("Subscription configuration is not implemented yet.");
end
self.stream:send_iq(t("set",self.service,nil,"subscribe",self.node,e)
,a);
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(e,a)
self.stream:send_iq(t("get",self.service,nil,"items",self.node,nil,e)
,a);
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(a,e)
assert(not a,"Not implemented yet.");
self.stream:send_iq(t("set",self.service,s,"purge",self.node)
,e);
end
function e:delete(a,e)
assert(not a,"Not implemented yet.");
self.stream:send_iq(t("set",self.service,s,"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(t)
e:debug("adhoc list returned")
local a={};
for o,t in ipairs(t)do
a[t.node]=t.name;
end
e:debug("adhoc calling callback")
return o(a);
end);
end
function e:execute_command(i,o,t)
local e=setmetatable({
stream=e,jid=i,
command=o,callback=t
},a);
return e:execute();
end
local function s(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 h(t)
local a=t.tags[1];
local a=a.attr.node;
local a=i[a];
if not a then return;end
if not s(t.attr.from,a.permission)then
e:send(o.error_reply(t,"auth","forbidden","You don't have permission to execute this command"):up()
:add_child(a:cmdtag("canceled")
:tag("note",{type="error"}):text("You don't have permission to execute this command")));
return true
end
return n.handle_cmd(a,{send=function(t)return e:send(t)end},t);
end
e:hook("iq/"..t,function(e)
local t=e.attr.type;
local a=e.tags[1].name;
if t=="set"and a=="command"then
return h(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(a)
local e=o.iq({to=self.jid,type="set"})
:tag("command",{
xmlns=t,
node=self.command,
sessionid=self.sessionid
});
if a then e:add_child(a);end
self.stream:send_iq(e,function(e)
self:_process_response(e);
end);
end
end)
package.preload['verse.plugins.presence']=(function(...)
local a=require"verse";
function a.plugins.presence(t)
t.last_presence=nil;
t:hook("presence-out",function(e)
if not e.attr.to then
t.last_presence=e;
end
end,1);
function t:resend_presence()
if last_presence then
t:send(last_presence);
end
end
function t:set_status(e)
local a=a.presence();
if type(e)=="table"then
if e.show then
a:tag("show"):text(e.show):up();
end
if e.prio then
a:tag("priority"):text(tostring(e.prio)):up();
end
if e.msg then
a:tag("status"):text(e.msg):up();
end
end
t:send(a);
end
end
end)
package.preload['verse.plugins.private']=(function(...)
local t=require"verse";
local a="jabber:iq:private";
function t.plugins.private(o)
function o:private_set(o,i,e,n)
local t=t.iq({type="set"})
:tag("query",{xmlns=a});
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 o:private_get(e,o,i)
self:send_iq(t.iq({type="get"})
:tag("query",{xmlns=a})
:tag(e,{xmlns=o}),
function(t)
if t.attr.type=="result"then
local t=t:get_child("query",a);
local e=t:get_child(e,o);
i(e);
end
end);
end
end
end)
package.preload['verse.plugins.roster']=(function(...)
local i=require"verse";
local d=require"util.jid".bare;
local a="jabber:iq:roster";
local o="urn:xmpp:features:rosterver";
local n=table.insert;
function i.plugins.roster(t)
local r=false;
local e={
items={};
ver="";
};
t.roster=e;
t:hook("stream-features",function(e)
if e:get_child("ver",o)then
r=true;
end
end);
local function s(t)
local e=i.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 l(o)
local e={};
local a={};
e.groups=a;
for t,a in pairs(o.attr)do
if t~="xmlns"then
e[t]=a
end
end
for e in o:childtags("group")do
n(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(o,n,h,e)
local o={jid=o,name=n,groups=h};
local a=i.iq({type="set"})
:tag("query",{xmlns=a})
:add_child(s(o));
t:send_iq(a,function(t)
if not e then return end
if t.attr.type=="result"then
e(true);
else
e(nil,t);
end
end);
end
function e:delete_contact(o,n)
o=(type(o)=="table"and o.jid)or o;
local h={jid=o,subscription="remove"}
if not e.items[o]then return false,"item-not-found";end
t:send_iq(i.iq({type="set"})
:tag("query",{xmlns=a})
:add_child(s(h)),
function(e)
if not n then return end
if e.attr.type=="result"then
n(true);
else
n(nil,e);
end
end);
end
local function h(t)
local t=l(t);
e.items[t.jid]=t;
end
local function l(t)
local a=e.items[t];
e.items[t]=nil;
return a;
end
function e:fetch(o)
t:send_iq(i.iq({type="get"}):tag("query",{xmlns=a,ver=r 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
o(e);
else
o(nil,t);
end
end);
end
t:hook("iq/"..a,function(n)
local s,o=n.attr.type,n.attr.from;
if s=="set"and(not o or o==d(t.jid))then
local s=n:get_child("query",a);
local o=s and s:get_child("item");
if o then
local n,a;
local i=o.attr.jid;
if o.attr.subscription=="remove"then
n="removed"
a=l(i);
else
n=e.items[i]and"changed"or"added";
h(o)
a=e.items[i];
end
e.ver=s.attr.ver;
if a then
t:event("roster/item-"..n,a);
end
end
t:send(i.reply(n))
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 a,t,o=t:get_error();
e:debug("Registration failed: %s",t);
e:event("registration-failure",{type=a,condition=t,text=o});
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 i=select(3,n.split(e.attr.from));
local n=e:get_child_text("body");
local o=e:get_child("delay",h);
local a={
room_jid=a;
room=t;
sender=t.occupants[i];
nick=i;
body=n;
stanza=e;
delay=(o and o.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(t)
self.stream:event("groupchat/leaving",self);
local e=i.presence({type="unavailable"});
if t then
e:tag("status"):text(t);
end
self:send(e);
end
function a:admin_set(e,a,t,o)
self:send(i.iq({type="set"})
:query(s.."#admin")
:tag("item",{nick=e,[a]=t})
:tag("reason"):text(o or""));
end
function a:set_role(e,a,t)
self:admin_set(e,"role",a,t);
end
function a:set_affiliation(e,t,a)
self:admin_set(e,"affiliation",t,a);
end
function a:kick(e,t)
self:set_role(e,"none",t);
end
function a:ban(t,e)
self:set_affiliation(t,"outcast",e);
end
end)
package.preload['verse.plugins.vcard']=(function(...)
local i=require"verse";
local o=require"util.vcard";
local e="vcard-temp";
function i.plugins.vcard(a)
function a:get_vcard(n,t)
a:send_iq(i.iq({to=n,type="get"})
:tag("vCard",{xmlns=e}),t and function(a)
local e=a:get_child("vCard",e);
if a.attr.type=="result"and e then
e=o.from_xep54(e)
t(e)
else
t(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 i="vcard-temp:x:update";
local s=require("util.hashes").sha1;
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;
local function r(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:hook("ready",function()
if a then return;end
a=true;
e:get_vcard(nil,function(t)
if t then
r(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 r="urn:xmpp:forward:0";
local h=os.time;
local s=require"util.datetime".parse;
local n=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 o;
e:hook("bind-success",function()
o=n(e.jid);
end);
e:hook("message",function(i)
local t=i:get_child(nil,a);
if i.attr.from==o and t then
local o=t.name;
local t=t:get_child("forwarded",r);
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 h(),
});
end
end
end,1);
end
end)
package.preload['verse.plugins.archive']=(function(...)
local a=require"verse";
local t=require"util.stanza";
local e="urn:xmpp:mam:0"
local h="urn:xmpp:forward:0";
local l="urn:xmpp:delay";
local o=require"util.uuid".generate;
local u=require"util.datetime".parse;
local n=require"util.datetime".datetime;
local i=require"util.dataforms".new;
local r=require"util.rsm";
local c={};
local m=i{
{name="FORM_TYPE";type="hidden";value=e;};
{name="with";type="jid-single";};
{name="start";type="text-single"};
{name="end";type="text-single";};
};
function a.plugins.archive(s)
function s:query_archive(d,a,s)
local i=o();
local o=t.iq{type="set",to=d}
:tag("query",{xmlns=e,queryid=i});
local t,d=tonumber(a["start"]),tonumber(a["end"]);
a["start"]=t and n(t);
a["end"]=d and n(d);
o:add_child(m:form(a,"submit"));
o:add_child(r.generate(a));
local a={};
local function n(o)
local t=o:get_child("fin",e)
if t and t.attr.queryid==i then
local e=r.get(t);
for t,e in pairs(e or c)do a[t]=e;end
self:unhook("message",n);
s(a);
return true
end
local e=o:get_child("result",e);
if e and e.attr.queryid==i then
local t=e:get_child("forwarded",h);
t=t or o:get_child("forwarded",h);
local o=e.attr.id;
local e=t:get_child("delay",l);
local e=e and u(e.attr.stamp)or nil;
local t=t:get_child("message","jabber:client")
a[#a+1]={id=o,stamp=e,message=t};
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);
s(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 n(o)
local a
a,o[false]=o[false],nil;
if a~=nil then
a=i[a];
end
local i=t.stanza("prefs",{xmlns=e,default=a})
local a=t.stanza("always");
local e=t.stanza("never");
for o,t in pairs(o)do
(t and a or e):tag("jid"):text(o):up();
end
return i:add_child(a):add_child(e);
end
function s:archive_prefs_get(a)
self:send_iq(t.iq{type="get"}:tag("prefs",{xmlns=e}),
function(e)
if e and e.attr.type=="result"and e.tags[1]then
local t=h(e.tags[1]);
a(t,e);
else
a(nil,e);
end
end);
end
function s:archive_prefs_set(a,e)
self:send_iq(t.iq{type="set"}:add_child(n(a)),e);
end
end
end)
package.preload['util.http']=(function(...)
local t,h=string.format,string.char;
local r,s,i=pairs,ipairs,tonumber;
local o,d=table.insert,table.concat;
local function n(e)
return e and(e:gsub("[^a-zA-Z0-9.~_-]",function(e)return t("%%%02x",e:byte());end));
end
local function a(e)
return e and(e:gsub("%%(%x%x)",function(e)return h(i(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
local function h(t)
local a={};
if t[1]then
for i,t in s(t)do
o(a,e(t.name).."="..e(t.value));
end
else
for t,i in r(t)do
o(a,e(t).."="..e(i));
end
end
return d(a,"&");
end
local function s(e)
if not e:match("=")then return a(e);end
local i={};
for t,e in e:gmatch("([^=&]*)=([^&]*)")do
t,e=t:gsub("%+","%%20"),e:gsub("%+","%%20");
t,e=a(t),a(e);
o(i,{name=t,value=e});
i[t]=e;
end
return i;
end
local function t(e,t)
e=","..e:gsub("[ \t]",""):lower()..",";
return e:find(","..t:lower()..",",1,true)~=nil;
end
return{
urlencode=n,urldecode=a;
formencode=h,formdecode=s;
contains_token=t;
};
end)
package.preload['net.http.parser']=(function(...)
local c=tonumber;
local a=assert;
local g,u=table.insert,table.concat;
local q=require"socket.url".parse;
local t=require"util.http".urldecode;
local function k(e)
e=t((e:gsub("//+","/")));
if e:sub(1,1)~="/"then
e="/"..e;
end
local t=0;
for e in e:gmatch("([^/]+)/")do
if e==".."then
t=t-1;
elseif e~="."then
t=t+1;
end
if t<0 then
return nil;
end
end
return e;
end
local v={};
function v.new(f,r,e,l)
local m=true;
if not e or e=="server"then m=false;else a(e=="client","Invalid parser type");end
local e,o,i={},0,true;
local v=c(l and l().body_size_limit)or 10*1024*1024;
local p=c(l and l().buffer_size_limit)or v*2;
local b,a,h;
local d=nil;
local n;
local t;
local y;
local s;
return{
feed=function(j,w)
if s then return nil,"parse has failed";end
if not w then
if i then e,i=u(e),false;end
if d and m and not t then
n.body=e;
f(n);
elseif e~=""then
s=true;return r("unexpected-eof");
end
return;
end
if i then
g(e,w);
else
e={e,w};
i=true;
end
o=o+#w;
if o>p then s=true;return r("max-buffer-size-exceeded");end
while o>0 do
if d==nil then
if i then e,i=u(e),false;end
local f=e:find("\r\n\r\n",nil,true);
if not f then return;end
local w,h,u,i,g;
local p;
local a={};
for t in e:sub(1,f+1):gmatch("([^\r\n]+)\r\n")do
if p then
local e,t=t:match("^([^%s:]+): *(.*)$");
if not e then s=true;return r("invalid-header-line");end
e=e:lower();
a[e]=a[e]and a[e]..","..t or t;
else
p=t;
if m then
u,i,g=t:match("^HTTP/(1%.[01]) (%d%d%d) (.*)$");
i=c(i);
if not i then s=true;return r("invalid-status-line");end
y=not
((l and l().method=="HEAD")
or(i==204 or i==304 or i==301)
or(i>=100 and i<200));
else
w,h,u=t:match("^(%w+) (%S+) HTTP/(1%.[01])$");
if not w then s=true;return r("invalid-status-line");end
end
end
end
if not p then s=true;return r("invalid-status-line");end
b=y and a["transfer-encoding"]=="chunked";
t=c(a["content-length"]);
if t and t>v then s=true;return r("content-length-limit-exceeded");end
if m then
if not y then t=0;end
n={
code=i;
httpversion=u;
headers=a;
body=y and""or nil;
responseversion=u;
responseheaders=a;
};
else
local e;
if h:byte()==47 then
local a,t=h:match("([^?]*).?(.*)");
if t==""then t=nil;end
e={path=a,query=t};
else
e=q(h);
if not(e and e.path)then s=true;return r("invalid-url");end
end
h=k(e.path);
a.host=e.host or a.host;
t=t or 0;
n={
method=w;
url=e;
path=h;
httpversion=u;
headers=a;
body=nil;
};
end
e=e:sub(f+4);
o=#e;
d=true;
end
if d then
if m then
if b then
if h and o-h-2<a then
return;
end
if i then e,i=u(e),false;end
if not e:find("\r\n",nil,true)then
return;
end
if not a then
a,h=e:match("^(%x+)[^\r\n]*\r\n()");
a=a and c(a,16);
if not a then s=true;return r("invalid-chunk-size");end
end
if a==0 and e:find("\r\n\r\n",h-2,true)then
d,a=nil,nil;
e=e:gsub("^.-\r\n\r\n","");
f(n);
elseif o-h-2>=a then
n.body=n.body..e:sub(h,h+(a-1));
e=e:sub(h+a+2);
o=o-(h+a+2-1);
a,h=nil,nil;
else
break;
end
elseif t and o>=t then
if i then e,i=u(e),false;end
if n.code==101 then
n.body,e,o,i=e,{},0,true;
else
n.body,e=e:sub(1,t),e:sub(t+1);
o=#e;
end
d=nil;f(n);
else
break;
end
elseif o>=t then
if i then e,i=u(e),false;end
n.body,e=e:sub(1,t),e:sub(t+1);
o=#e;
d=nil;f(n);
else
break;
end
end
end
end;
};
end
return v;
end)
package.preload['net.http']=(function(...)
local z=require"util.encodings".base64.encode;
local m=require"socket.url"
local h=require"net.http.parser".new;
local u=require"util.http";
local g=require"util.events";
local b=pcall(require,"ssl");
local k=require"net.server"
local i,o=table.insert,table.concat;
local w=pairs;
local v,l,p,s=
tonumber,tostring,xpcall,debug.traceback;
local y=error
local d=require"util.logger".init("http");
local e=nil;
local n={};
local function c(e)return(l(e):match("%x+$"));end
local r={default_port=80,default_mode="*a"};
function r.onconnect(t)
local e=n[t];
local a={e.method or"GET"," ",e.path," HTTP/1.1\r\n"};
if e.query then
i(a,4,"?"..e.query);
end
t:write(o(a));
local a={[2]=": ",[4]="\r\n"};
for e,i in w(e.headers)do
a[1],a[3]=e,i;
t:write(o(a));
end
t:write("\r\n");
if e.body then
t:write(e.body);
end
end
function r.onincoming(t,a)
local e=n[t];
if not e then
d("warn","Received response from connection %s with no request attached!",l(t));
return;
end
if a and e.reader then
e:reader(a);
end
end
function r.ondisconnect(t,a)
local e=n[t];
if e and e.conn then
e:reader(nil,a or"closed");
end
n[t]=nil;
end
function r.ondetach(e)
n[e]=nil;
end
local function o(e)
if e.conn then
e.conn=nil;
e.handler:close()
end
end
local function x(e,i,n)
if not e.parser then
local function a(t)
if e.callback then
e.callback(t or"connection-closed",0,e);
e.callback=nil;
end
o(e);
end
if not i then
a(n);
return;
end
local function i(t)
if e.callback then
e.callback(t.body,t.code,t,e);
e.callback=nil;
end
o(e);
end
local function t()
return e;
end
e.parser=h(i,a,"client",t);
end
e.parser:feed(i);
end
local function q(e)d("error","Traceback[http]: %s",s(l(e),2));end
local function j(e,t,...)
if not t then
d("error","Request '%s': error in callback: %s",e,l((...)));
end
return...;
end
local function f(o,a,t,h)
local e=m.parse(a);
e.url=a;
if not(e and e.host)then
h("invalid-url",0,e);
return nil,"invalid-url";
end
if not e.path then
e.path="/";
end
e.id=t and t.id or c(e);
do
local i={http=o,url=a,request=e,options=t,callback=h};
local o=o.events.fire_event("pre-request",i);
if o then
return o;
end
e,a,t,h=i.request,i.url,i.options,i.callback;
end
local m,s,c;
local f,i=e.host,e.port;
local u=f;
if(i=="80"and e.scheme=="http")
or(i=="443"and e.scheme=="https")then
i=nil;
elseif i then
u=u..":"..i;
end
s={
["Host"]=u;
["User-Agent"]="Prosody XMPP Server";
};
if e.userinfo then
s["Authorization"]="Basic "..z(e.userinfo);
end
if t then
e.onlystatus=t.onlystatus;
c=t.body;
if c then
m="POST";
s["Content-Length"]=l(#c);
s["Content-Type"]="application/x-www-form-urlencoded";
end
if t.method then m=t.method;end
if t.headers then
for e,t in w(t.headers)do
s[e]=t;
end
end
end
d("debug","Making %s %s request '%s' to %s",e.scheme:upper(),m or"GET",e.id,(t and t.suppress_url and u)or a);
e.method,e.headers,e.body=m,s,c;
local s=e.scheme=="https";
if s and not b then
y("SSL not available, unable to contact https URL");
end
local l=i and v(i)or(s and 443 or 80);
local i=false;
if s then
i=t and t.sslctx or{mode="client",protocol="sslv23",options={"no_sslv2","no_sslv3"}};
end
local i,t=k.addclient(f,l,r,"*a",i)
if not i then
o.events.fire_event("request-connection-error",{http=o,request=e,url=a,err=t});
h(t,0,e);
return nil,t;
end
e.handler,e.conn=i,t
e.write=function(...)return e.handler:write(...);end
e.callback=function(i,t,n,s)
do
local e={http=o,url=a,request=e,response=n,content=i,code=t,callback=h};
o.events.fire_event("response",e);
i,t,n=e.content,e.code,e.response;
end
d("debug","Request '%s': Calling callback, status %s",e.id,t or"---");
return j(e.id,p(function()return h(i,t,s,n)end,q));
end
e.reader=x;
e.state="status";
n[e.handler]=e;
o.events.fire_event("request",{http=o,request=e,url=a});
return e;
end
local function e(t)
local e={
options=t;
request=f;
new=t and function(a)
return e(setmetatable(a,{__index=t}));
end or e;
events=g.new();
request=f;
};
return e;
end
local t=e();
return{
request=function(e,a,o)
return t:request(e,a,o);
end;
new=e;
events=t.events;
urlencode=u.urlencode;
urldecode=u.urldecode;
formencode=u.formencode;
formdecode=u.formdecode;
};
end)
package.preload['verse.bosh']=(function(...)
local r=require"util.xmppstream".new;
local h=require"util.stanza";
require"net.httpclient_listener";
local o=require"net.http";
local e=setmetatable({},{__index=verse.stream_mt});
e.__index=e;
local s="http://etherx.jabber.org/streams";
local n="http://jabber.org/protocol/httpbind";
local i=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]=h.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 e=self:_make_body();
local t=self.bosh_outgoing_buffer;
for o,a in ipairs(t)do
e:add_child(a);
t[o]=nil;
end
self:_make_request(e);
else
self:debug("Decided not to flush.");
end
end
function e:_make_request(t)
local e,t=o.request(self.bosh_url,{body=tostring(t)},function(o,e,a)
if e~=0 then
self.inactive_since=nil;
return self:_handle_response(o,e,a);
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),i);
end
timer.add_task(i,function()
self:debug("Retrying request...");
for e,t in ipairs(self.bosh_waiting_requests)do
if t==a then
table.remove(self.bosh_waiting_requests,e);
break;
end
end
self:_make_request(t);
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';
o.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(t,a,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(t);
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==s 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=r(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=n;
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 o=t.stream_mt;
local h=require"util.jid".split;
local d=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 r=require"util.xmppstream".new;
local n="http://etherx.jabber.org/streams";
local function s(t,e)
return t.priority<e.priority or(t.priority==e.priority and t.weight>e.weight);
end
local i={
stream_ns=n,
stream_tag="stream",
default_ns="jabber:client"};
function i.streamopened(e,t)
e.stream_id=t.id;
if not e:event("opened",t)then
e.notopen=nil;
end
return true;
end
function i.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 i.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 i.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 o:reset()
if self.stream then
self.stream:reset();
else
self.stream=r(self,i);
end
self.notopen=true;
return true;
end
function o:connect_client(e,a)
self.jid,self.password=e,a;
self.username,self.host,self.resource=h(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("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(t)
local e,a=t.attr.id,t.attr.type;
if e and t.name=="iq"and(a=="result"or a=="error")and self.tracked_iqs[e]then
self.tracked_iqs[e](t);
self.tracked_iqs[e]=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 t()
self:connect(self.connect_host or self.host,self.connect_port or 5222);
end
if not(self.connect_host or self.connect_port)then
d.lookup(function(a)
if a then
local e={};
self.srv_hosts=e;
for a,t in ipairs(a)do
table.insert(e,t.srv);
end
table.sort(e,s);
local a=e[1];
self.srv_choice=1;
if a then
self.connect_host,self.connect_port=a.target,a.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;
t();
return true;
end
end,1e3);
self:hook("connected",function()
self.srv_hosts=nil;
end,1e3);
end
t();
end,"_xmpp-client._tcp."..(self.host)..".","SRV");
else
t();
end
end
function o: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 o:send_iq(e,a)
local t=self:new_id();
self.tracked_iqs[t]=a;
e.attr.id=t;
self:send(e);
end
function o:new_id()
self.curr_id=self.curr_id+1;
return tostring(self.curr_id);
end
end)
package.preload['verse.component']=(function(...)
local a=require"verse";
local o=a.stream_mt;
local d=require"util.jid".split;
local e=require"lxp";
local t=require"util.stanza";
local r=require"util.sha1".sha1;
a.message,a.presence,a.iq,a.stanza,a.reply,a.error_reply=
t.message,t.presence,t.iq,t.stanza,t.reply,t.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 o:reset()
if self.stream then
self.stream:reset();
else
self.stream=h(self,n);
end
self.notopen=true;
return true;
end
function o:connect_component(e,n)
self.jid,self.password=e,n;
self.username,self.host,self.resource=d(e);
function self.data(t,e)
local t,a=self.stream:feed(e);
if t then return;end
o:debug("Received invalid XML (%s) %d bytes: %s",tostring(a),#e,e:sub(1,300):gsub("[\r\n]+"," "));
o: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 t;
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
t=self:event("iq/"..o,e);
if not t then
t=self:event("iq",e);
end
end
if t==nil then
self:send(a.error_reply(e,"cancel","service-unavailable"));
return true;
end
else
t=self:event(e.name,e);
end
end
return t;
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(t.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 o:reopen()
self:reset();
self:send(t.stanza("stream:stream",{to=self.jid,["xmlns:stream"]='http://etherx.jabber.org/streams',
xmlns=i,version="1.0"}):top_tag());
end
function o:close(e)
if not self.notopen then
self:send("</stream:stream>");
end
local t=self.conn.disconnect();
self.conn:close();
t(conn,e);
end
function o:send_iq(t,a)
local e=self:new_id();
self.tracked_iqs[e]=a;
t.attr.id=e;
self:send(t);
end
function o:new_id()
self.curr_id=self.curr_id+1;
return tostring(self.curr_id);
end
end)
pcall(require,"luarocks.require");
local h=require"socket";
pcall(require,"ssl");
local a=require"net.server";
local s=require"util.events";
local o=require"util.logger";
local t={};
local e=t;
t.server=a;
local t={};
t.__index=t;
e.stream_mt=t;
e.plugins={};
function e.init(...)
for e=1,select("#",...)do
local a,t=pcall(require,"verse."..select(e,...));
if not a then
error("Verse connection module not found: verse."..select(e,...)..t);
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=s.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 n(a,...)
local e,t,o=0,{...},select('#',...);
return(a:gsub("%%(.)",function(a)if e<=o then e=e+1;return tostring(t[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 o=e;
function e(t,a,e)
o:write(t,"\t",a,"\t",e,"\n");
end
end
if e then
local function i(o,a,t,...)
return e(o,a,n(t,...));
end
for t,e in ipairs(t)do
o.add_level_sink(e,i);
end
end
end
function e._default_log_handler(o,a,t)
return io.stderr:write(o,"\t",a,"\t",t,"\n");
end
e.set_log_handler(e._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,o)
t=t or"localhost";
o=o or 0;
local e,a=a.addserver(t,o,e.new_listener(self,"server"),"*a");
if e then
self:debug("Bound to %s:%s",t,o);
self.server=e;
end
return e,a;
end
function t:connect(o,i)
o=o or"localhost";
i=tonumber(i)or 5222;
local n=h.tcp()
n:settimeout(0);
n:setoption("keepalive",true);
local s,t=n:connect(o,i);
if not s and t~="timeout"then
self:warn("connect() to %s:%d failed: %s",o,i,t);
return self:event("disconnected",{reason=t})or false,t;
end
local e=a.wrapclient(n,o,i,e.new_listener(self),"*a");
if not e then
self:warn("connection initialisation failed: %s",t);
return self:event("disconnected",{reason=t})or false,t;
end
self:set_conn(e);
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=s.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 e.new_listener(t)
local a={};
function a.onconnect(o)
if t.server then
local a=e.new();
o:setlistener(e.new_listener(a));
a:set_conn(o);
t:event("connected",{client=a});
else
t.connected=true;
t:event("connected");
end
end
function a.onincoming(a,e)
t:event("incoming-raw",e);
end
function a.ondisconnect(e,a)
if e~=t.conn then return end
t.connected=false;
t:event("disconnected",{reason=a});
end
function a.ondrain(e)
t:event("drained");
end
function a.onstatus(a,e)
t:event("status",e);
end
return a;
end
return e;