mod_s2s_auth_dane: Disable now redundant validation done in trunk
Outgoing connections can now be validated natively in trunk since
a38f9e09ca31 so we only need to check incoming connections.
-- for Prosody
-- via dersd
if module:get_host_type() ~= "component" then
error(module.name.." should be loaded as a component, check out http://prosody.im/doc/components", 0);
end
local jid_split = require "util.jid".split;
local st = require "util.stanza";
local componentmanager = require "core.componentmanager";
local datamanager = require "util.datamanager";
local timer = require "util.timer";
local http = require "net.http";
local json = require "util.json";
local base64 = require "util.encodings".base64;
local component_host = module:get_host();
local component_name = module.name;
local data_cache = {};
function print_r(obj)
return require("util.serialization").serialize(obj);
end
function dmsg(jid, msg)
module:log("debug", msg or "nil");
if jid ~= nil then
module:send(st.message({to=jid, from=component_host, type='chat'}, msg or "nil"));
end
end
function substring(string, start_string, ending_string)
local s_value_start, s_value_finish = nil, nil;
if start_string ~= nil then
_, s_value_start = string:find(start_string);
if s_value_start == nil then
-- error
return nil;
end
else
return nil;
end
if ending_string ~= nil then
_, s_value_finish = string:find(ending_string, s_value_start+1);
if s_value_finish == nil then
-- error
return nil;
end
else
s_value_finish = string:len()+1;
end
return string:sub(s_value_start+1, s_value_finish-1);
end
local http_timeout = 30;
local http_queue = setmetatable({}, { __mode = "k" }); -- auto-cleaning nil elements
data_cache['prosody_os'] = prosody.platform;
data_cache['prosody_version'] = prosody.version;
local http_headers = {
["User-Agent"] = "Prosody ("..data_cache['prosody_version'].."; "..data_cache['prosody_os']..")" --"ELinks (0.4pre5; Linux 2.4.27 i686; 80x25)",
};
function http_action_callback(response, code, request, xcallback)
if http_queue == nil or http_queue[request] == nil then return; end
local id = http_queue[request];
http_queue[request] = nil;
if xcallback == nil then
dmsg(nil, "http_action_callback reports that xcallback is nil");
else
xcallback(id, response, request);
end
return true;
end
function http_add_action(tid, url, method, post, fcallback)
local request = http.request(url, { headers = http_headers or {}, body = http.formencode(post or {}), method = method or "GET" }, function(response_body, code, response, request) http_action_callback(response_body, code, request, fcallback) end);
http_queue[request] = tid;
timer.add_task(http_timeout, function() http.destroy_request(request); end);
return true;
end
local users = setmetatable({}, {__mode="k"});
local user = {};
user.__index = user;
user.dosync = false;
user.valid = false;
user.data = {};
function user:login()
userdata = datamanager.load(self.jid, component_host, "data");
if userdata ~= nil then
self.data = userdata;
if self.data['_twitter_sess'] ~= nil then
http_headers['Cookie'] = "_twitter_sess="..self.data['_twitter_sess']..";";
end
module:send(st.presence({to=self.jid, from=component_host}));
self:twitterAction("VerifyCredentials");
if self.data.dosync == 1 then
self.dosync = true;
timer.add_task(self.data.refreshrate, function() return users[self.jid]:sync(); end)
end
else
module:send(st.message({to=self.jid, from=component_host, type='chat'}, "You are not signed in."));
end
end
function user:logout()
datamanager.store(self.jid, component_host, "data", self.data);
self.dosync = false;
module:send(st.presence({to=self.jid, from=component_host, type='unavailable'}));
end
function user:sync()
if self.dosync then
table.foreach(self.data.synclines, function(ind, line) self:twitterAction(line.name, {sinceid=line.sinceid}) end);
return self.data.refreshrate;
end
end
function user:signin()
if datamanager.load(self.jid, component_host, "data") == nil then
datamanager.store(self.jid, component_host, "data", {login=self.data.login, password=self.data.password, refreshrate=60, dosync=1, synclines={{name='HomeTimeline', sinceid=0}}, syncstatus=0})
module:send(st.presence{to=self.jid, from=component_host, type='subscribe'});
module:send(st.presence{to=self.jid, from=component_host, type='subscribed'});
end
end
function user:signout()
if datamanager.load(self.jid, component_host, "data") ~= nil then
datamanager.store(self.jid, component_host, "data", nil);
module:send(st.presence({to=self.jid, from=component_host, type='unavailable'}));
module:send(st.presence({to=self.jid, from=component_host, type='unsubscribe'}));
module:send(st.presence({to=self.jid, from=component_host, type='unsubscribed'}));
end
end
local twitterApiUrl = "http://api.twitter.com";
local twitterApiVersion = "1";
local twitterApiDataType = "json";
local twitterActionUrl = function(action) return twitterApiUrl.."/"..twitterApiVersion.."/"..action.."."..twitterApiDataType end;
local twitterActionMap = {
PublicTimeline = {
url = twitterActionUrl("statuses/public_timeline"),
method = "GET",
needauth = false,
},
HomeTimeline = {
url = twitterActionUrl("statuses/home_timeline"),
method = "GET",
needauth = true,
},
FriendsTimeline = {
url = twitterActionUrl("statuses/friends_timeline"),
method = "GET",
needauth = true,
},
UserTimeline = {
url = twitterActionUrl("statuses/friends_timeline"),
method = "GET",
needauth = true,
},
VerifyCredentials = {
url = twitterActionUrl("account/verify_credentials"),
method = "GET",
needauth = true,
},
UpdateStatus = {
url = twitterActionUrl("statuses/update"),
method = "POST",
needauth = true,
},
Retweet = {
url = twitterActionUrl("statuses/retweet/%tweetid"),
method = "POST",
needauth = true,
}
}
function user:twitterAction(line, params)
local action = twitterActionMap[line];
if action then
local url = action.url;
local post = {};
--if action.needauth and not self.valid and line ~= "VerifyCredentials" then
-- return
--end
if action.needauth then
http_headers['Authorization'] = "Basic "..base64.encode(self.data.login..":"..self.data.password);
--url = string.gsub(url, "http\:\/\/", string.format("http://%s:%s@", self.data.login, self.data.password));
end
if params and type(params) == "table" then
post = params;
end
if action.method == "GET" and post ~= {} then
url = url.."?"..http.formencode(post);
end
http_add_action(line, url, action.method, post, function(...) self:twitterActionResult(...) end);
else
module:send(st.message({to=self.jid, from=component_host, type='chat'}, "Wrong twitter action!"));
end
end
local twitterActionResultMap = {
PublicTimeline = {exec=function(jid, response)
--module:send(st.message({to=jid, from=component_host, type='chat'}, print_r(response)));
return
end},
HomeTimeline = {exec=function(jid, response)
--module:send(st.message({to=jid, from=component_host, type='chat'}, print_r(response)));
return
end},
FriendsTimeline = {function(jid, response)
return
end},
UserTimeline = {exec=function(jid, response)
return
end},
VerifyCredentials = {exec=function(jid, response)
if response ~= nil and response.id ~= nil then
users[jid].valid = true;
users[jid].id = response.id;
end
return
end},
UpdateStatus = {exec=function(jid, response)
return
end},
Retweet = {exec=function(jid, response)
return
end}
}
function user:twitterActionResult(id, response, request)
if request ~= nil and request.responseheaders['set-cookie'] ~= nil and request.responseheaders['location'] ~= nil then
--self.data['_twitter_sess'] = substring(request.responseheaders['set-cookie'], "_twitter_sess=", ";");
--http_add_action(id, request.responseheaders['location'], "GET", {}, function(...) self:twitterActionResult(...) end);
return true;
end
local result, tmp_json = pcall(function() json.decode(response or "{}") end);
if result and id ~= nil then
twitterActionResultMap[id]:exec(self.jid, tmp_json);
end
return true;
end
function iq_success(event)
local origin, stanza = event.origin, event.stanza;
local reply = data_cache.success;
if reply == nil then
reply = st.iq({type='result', from=stanza.attr.to or component_host});
data_cache.success = reply;
end
reply.attr.id = stanza.attr.id;
reply.attr.to = stanza.attr.from;
origin.send(reply);
return true;
end
function iq_disco_info(event)
local origin, stanza = event.origin, event.stanza;
local from = {};
from.node, from.host, from.resource = jid_split(stanza.attr.from);
local bjid = from.node.."@"..from.host;
local reply = data_cache.disco_info;
if reply == nil then
reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("http://jabber.org/protocol/disco#info")
:tag("identity", {category='gateway', type='chat', name=component_name}):up();
reply = reply:tag("feature", {var="urn:xmpp:receipts"}):up();
reply = reply:tag("feature", {var="http://jabber.org/protocol/commands"}):up();
reply = reply:tag("feature", {var="jabber:iq:register"}):up();
--reply = reply:tag("feature", {var="jabber:iq:time"}):up();
--reply = reply:tag("feature", {var="jabber:iq:version"}):up();
--reply = reply:tag("feature", {var="http://jabber.org/protocol/stats"}):up();
data_cache.disco_info = reply;
end
reply.attr.id = stanza.attr.id;
reply.attr.to = stanza.attr.from;
origin.send(reply);
return true;
end
function iq_disco_items(event)
local origin, stanza = event.origin, event.stanza;
local reply = data_cache.disco_items;
if reply == nil then
reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("http://jabber.org/protocol/disco#items");
data_cache.disco_items = reply;
end
reply.attr.id = stanza.attr.id;
reply.attr.to = stanza.attr.from;
origin.send(reply);
return true;
end
function iq_register(event)
local origin, stanza = event.origin, event.stanza;
if stanza.attr.type == "get" then
local reply = data_cache.registration_form;
if reply == nil then
reply = st.iq({type='result', from=stanza.attr.to or component_host})
:tag("query", { xmlns="jabber:iq:register" })
:tag("instructions"):text("Enter your twitter data"):up()
:tag("username"):up()
:tag("password"):up();
data_cache.registration_form = reply
end
reply.attr.id = stanza.attr.id;
reply.attr.to = stanza.attr.from;
origin.send(reply);
elseif stanza.attr.type == "set" then
local from = {};
from.node, from.host, from.resource = jid_split(stanza.attr.from);
local bjid = from.node.."@"..from.host;
local username, password = "", "";
local reply;
for _, tag in ipairs(stanza.tags[1].tags) do
if tag.name == "remove" then
users[bjid]:signout();
iq_success(event);
return true;
end
if tag.name == "username" then
username = tag[1];
end
if tag.name == "password" then
password = tag[1];
end
end
if username ~= nil and password ~= nil then
users[bjid] = setmetatable({}, user);
users[bjid].jid = bjid;
users[bjid].data.login = username;
users[bjid].data.password = password;
users[bjid]:signin();
users[bjid]:login();
end
iq_success(event);
return true;
end
end
function presence_stanza_handler(event)
local origin, stanza = event.origin, event.stanza;
local to = {};
local from = {};
local pres = {};
to.node, to.host, to.resource = jid_split(stanza.attr.to);
from.node, from.host, from.resource = jid_split(stanza.attr.from);
pres.type = stanza.attr.type;
for _, tag in ipairs(stanza.tags) do pres[tag.name] = tag[1]; end
local from_bjid = nil;
if from.node ~= nil and from.host ~= nil then
from_bjid = from.node.."@"..from.host;
elseif from.host ~= nil then
from_bjid = from.host;
end
if pres.type == nil then
if users[from_bjid] ~= nil then
-- Status change
if pres['status'] ~= nil and users[from_bjid]['data']['sync_status'] then
users[from_bjid]:twitterAction("UpdateStatus", {status=pres['status']});
end
else
-- User login request
users[from_bjid] = setmetatable({}, user);
users[from_bjid].jid = from_bjid;
users[from_bjid]:login();
end
origin.send(st.presence({to=from_bjid, from=component_host}));
elseif pres.type == 'subscribe' and users[from_bjid] ~= nil then
origin.send(st.presence{to=from_bjid, from=component_host, type='subscribed'});
elseif pres.type == 'unsubscribed' and users[from_bjid] ~= nil then
users[from_bjid]:logout();
users[from_bjid]:signout();
users[from_bjid] = nil;
elseif pres.type == 'unavailable' and users[from_bjid] ~= nil then
users[from_bjid]:logout();
users[from_bjid] = nil;
end
return true;
end
function confirm_message_delivery(event)
local reply = st.message({id=event.stanza.attr.id, to=event.stanza.attr.from, from=event.stanza.attr.to or component_host}):tag("received", {xmlns = "urn:xmpp:receipts"});
origin.send(reply);
return true;
end
function message_stanza_handler(event)
local origin, stanza = event.origin, event.stanza;
local to = {};
local from = {};
local msg = {};
to.node, to.host, to.resource = jid_split(stanza.attr.to);
from.node, from.host, from.resource = jid_split(stanza.attr.from);
local bjid = nil;
if from.node ~= nil and from.host ~= nil then
from_bjid = from.node.."@"..from.host;
elseif from.host ~= nil then
from_bjid = from.host;
end
local to_bjid = nil;
if to.node ~= nil and to.host ~= nil then
to_bjid = to.node.."@"..to.host;
elseif to.host ~= nil then
to_bjid = to.host;
end
for _, tag in ipairs(stanza.tags) do
msg[tag.name] = tag[1];
if tag.attr.xmlns == "urn:xmpp:receipts" then
confirm_message_delivery({origin=origin, stanza=stanza});
end
-- can handle more xmlns
end
-- Now parse the message
if stanza.attr.to == component_host then
if msg.body == "!myinfo" then
if users[from_bjid] ~= nil then
origin.send(st.message({to=stanza.attr.from, from=component_host, type='chat'}, print_r(users[from_bjid])));
end
end
-- Other messages go to twitter
user:twitterAction("UpdateStatus", {status=msg.body});
else
-- Message to uid@host/resource
end
return true;
end
module:hook("presence/host", presence_stanza_handler);
module:hook("message/host", message_stanza_handler);
module:hook("iq/host/jabber:iq:register:query", iq_register);
module:hook("iq/host/http://jabber.org/protocol/disco#info:query", iq_disco_info);
module:hook("iq/host/http://jabber.org/protocol/disco#items:query", iq_disco_items);
module:hook("iq/host", function(data)
-- IQ to a local host recieved
local origin, stanza = data.origin, data.stanza;
if stanza.attr.type == "get" or stanza.attr.type == "set" then
return module:fire_event("iq/host/"..stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name, data);
else
module:fire_event("iq/host/"..stanza.attr.id, data);
return true;
end
end);
module.unload = function()
componentmanager.deregister_component(component_host);
end
component = componentmanager.register_component(component_host, function() return; end);