author | Matthew Wild <mwild1@gmail.com> |
Fri, 24 Oct 2008 03:42:26 +0100 | |
branch | s2s |
changeset 146 | 3826ca244eb6 |
parent 145 | fbb3a4ff9cf1 |
child 148 | 4c0dcd245d34 |
permissions | -rw-r--r-- |
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require "util.stanza" |
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local st = stanza; |
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local tostring = tostring; |
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local format = string.format; |
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local m_random = math.random; |
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local t_insert = table.insert; |
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local t_remove = table.remove; |
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local t_concat = table.concat; |
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local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end |
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local sm_destroy_session = import("core.sessionmanager", "destroy_session"); |
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145 | 14 |
local default_log = require "util.logger".init("xmlhandlers"); |
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local error = error; |
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module "xmlhandlers" |
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function init_xmlhandlers(session, streamopened) |
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local ns_stack = { "" }; |
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local curr_ns = ""; |
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local curr_tag; |
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local chardata = {}; |
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local xml_handlers = {}; |
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local log = session.log or default_log; |
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local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end |
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local send = session.send; |
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local stanza |
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function xml_handlers:StartElement(name, attr) |
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if stanza and #chardata > 0 then |
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-- We have some character data in the buffer |
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stanza:text(t_concat(chardata)); |
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chardata = {}; |
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end |
145 | 38 |
curr_ns,name = name:match("^(.+):([%w%-]+)$"); |
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attr.xmlns = curr_ns; |
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if not stanza then --if we are not currently inside a stanza |
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if session.notopen then |
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if name == "stream" then |
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streamopened(session, attr); |
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return; |
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end |
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error("Client failed to open stream successfully"); |
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end |
38 | 49 |
if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then |
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error("Client sent invalid top-level stanza"); |
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end |
145 | 52 |
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stanza = st.stanza(name, attr); --{ to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns }); |
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curr_tag = stanza; |
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else -- we are inside a stanza, so add a tag |
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attr.xmlns = curr_ns; |
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stanza:tag(name, attr); |
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end |
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end |
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function xml_handlers:CharacterData(data) |
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if stanza then |
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t_insert(chardata, data); |
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end |
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end |
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function xml_handlers:EndElement(name) |
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curr_ns,name = name:match("^(.+):([%w%-]+)$"); |
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parents:
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if (not stanza) or #stanza.last_add < 0 or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then |
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if name == "stream" then |
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log("debug", "Stream closed"); |
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sm_destroy_session(session); |
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return; |
145 | 72 |
elseif name == "error" then |
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error("Stream error: "..tostring(name)..": "..tostring(stanza)); |
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else |
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error("XML parse error in client stream"); |
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end |
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end |
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if stanza and #chardata > 0 then |
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-- We have some character data in the buffer |
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stanza:text(t_concat(chardata)); |
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chardata = {}; |
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end |
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-- Complete stanza |
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if #stanza.last_add == 0 then |
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session.stanza_dispatch(stanza); |
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stanza = nil; |
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else |
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stanza:up(); |
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end |
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end |
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return xml_handlers; |
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end |
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return init_xmlhandlers; |