Mercurial > lxmppd-hg-xmllex / annotate
core/stanza_dispatch.lua@3e3171b59028 (annotated)
core/stanza_dispatch.lua
Fri, 22 Aug 2008 21:09:04 +0000
- author
- matthew
- date
- Fri, 22 Aug 2008 21:09:04 +0000
- changeset 0
- 3e3171b59028
- child 1
- b8787e859fd2
- permissions
- -rw-r--r--
First commit, where do you want to go tomorrow?
| 0 | 1 | |
| 2 | require "util.stanza" | |
| 3 | ||
| 4 | local st = stanza; | |
| 5 | ||
| 6 | local t_concat = table.concat; | |
| 7 | local format = string.format; | |
| 8 | ||
| 9 | function init_stanza_dispatcher(session) | |
| 10 | local iq_handlers = {}; | |
| 11 | ||
| 12 | local session_log = session.log; | |
| 13 | local log = function (type, msg) session_log(type, "stanza_dispatcher", msg); end | |
| 14 | local send = session.send; | |
| 15 | ||
| 16 | ||
| 17 | ||
| 18 | iq_handlers["jabber:iq:auth"] = | |
| 19 | function (stanza) | |
| 20 | local username = stanza[1]:child_with_name("username"); | |
| 21 | local password = stanza[1]:child_with_name("password"); | |
| 22 | local resource = stanza[1]:child_with_name("resource"); | |
| 23 | if not (username and password and resource) then | |
| 24 | local reply = st.reply(stanza); | |
| 25 | send(reply:query("jabber:iq:auth") | |
| 26 | :tag("username"):up() | |
| 27 | :tag("password"):up() | |
| 28 | :tag("resource"):up()); | |
| 29 | return true; | |
| 30 | else | |
| 31 | username, password, resource = t_concat(username), t_concat(password), t_concat(resource); | |
| 32 | print(username, password, resource) | |
| 33 | local reply = st.reply(stanza); | |
| 34 | require "core.usermanager" | |
| 35 | if usermanager.validate_credentials(session.host, username, password) then | |
| 36 | -- Authentication successful! | |
| 37 | session.username = username; | |
| 38 | session.resource = resource; | |
| 39 | if not hosts[session.host].sessions[username] then | |
| 40 | hosts[session.host].sessions[username] = { sessions = {} }; | |
| 41 | end | |
| 42 | hosts[session.host].sessions[username].sessions[resource] = session; | |
| 43 | send(st.reply(stanza)); | |
| 44 | return true; | |
| 45 | else | |
| 46 | local reply = st.reply(stanza); | |
| 47 | reply.attr.type = "error"; | |
| 48 | reply:tag("error", { code = "401", type = "auth" }) | |
| 49 | :tag("not-authorized", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" }); | |
| 50 | send(reply); | |
| 51 | return true; | |
| 52 | end | |
| 53 | end | |
| 54 | ||
| 55 | end | |
| 56 | ||
| 57 | iq_handlers["jabber:iq:roster"] = | |
| 58 | function (stanza) | |
| 59 | if stanza.attr.type == "get" then | |
| 60 | session.roster = session.roster or rostermanager.getroster(session.username, session.host); | |
| 61 | if session.roster == false then | |
| 62 | send(st.reply(stanza) | |
| 63 | :tag("error", { type = "wait" }) | |
| 64 | :tag("internal-server-error", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"})); | |
| 65 | return true; | |
| 66 | else session.roster = session.roster or {}; | |
| 67 | end | |
| 68 | local roster = st.reply(stanza) | |
| 69 | :query("jabber:iq:roster"); | |
| 70 | for jid in pairs(session.roster) do | |
| 71 | roster:tag("item", { jid = jid, subscription = "none" }):up(); | |
| 72 | end | |
| 73 | send(roster); | |
| 74 | return true; | |
| 75 | end | |
| 76 | end | |
| 77 | ||
| 78 | ||
| 79 | return function (stanza) | |
| 80 | log("info", "--> "..tostring(stanza)); | |
| 81 | if stanza.name == "iq" then | |
| 82 | if not stanza[1] then log("warn", "<iq> without child is invalid"); return; end | |
| 83 | if not stanza.attr.id then log("warn", "<iq> without id attribute is invalid"); end | |
| 84 | local xmlns = stanza[1].attr.xmlns; | |
| 85 | if not xmlns then log("warn", "Child of <iq> has no xmlns - invalid"); return; end | |
| 86 | if (((not stanza.attr.to) or stanza.attr.to == session.host or stanza.attr.to:match("@[^/]+$")) and (stanza.attr.type == "get" or stanza.attr.type == "set")) then -- Stanza sent to us | |
| 87 | if iq_handlers[xmlns] then | |
| 88 | if iq_handlers[xmlns](stanza) then return; end; | |
| 89 | end | |
| 90 | log("warn", "Unhandled namespace: "..xmlns); | |
| 91 | send(format("<iq type='error' id='%s'><error type='cancel'><service-unavailable/></error></iq>", stanza.attr.id)); | |
| 92 | end | |
| 93 | ||
| 94 | end | |
| 95 | -- Need to route stanza | |
| 96 | if stanza.attr.to and ((not hosts[stanza.attr.to]) or hosts[stanza.attr.to].type ~= "local") then | |
| 97 | stanza.attr.from = session.username.."@"..session.host; | |
| 98 | session.send_to(stanza.attr.to, stanza); | |
| 99 | end | |
| 100 | end | |
| 101 | ||
| 102 | end | |
| 103 |
