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Resource binding, XMPP sessions (whatever they're for...)

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This commit is contained in:
Matthew Wild 2008-10-04 02:15:13 +01:00
parent c98dd482df
commit fde6f6db66
1 changed files with 61 additions and 2 deletions
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61
plugins/mod_saslauth.lua
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@ -1,14 +1,17 @@
local st = require "util.stanza";
local send = require "core.sessionmanager".send_to_session;
local sm_bind_resource = require "core.sessionmanager".bind_resource;
local usermanager_validate_credentials = require "core.usermanager".validate_credentials;
local t_concat = table.concat;
local t_concat, t_insert = table.concat, table.insert;
local tostring = tostring;
local log = require "util.logger".init("mod_saslauth");
local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
local xmlns_stanzas ='urn:ietf:params:xml:ns:xmpp-stanzas';
local new_connhandler = require "net.connhandlers".new;
local new_sasl = require "util.sasl".new;
@ -51,3 +54,59 @@ add_handler("c2s_unauthed", "auth",
end
end);
add_event_hook("stream-features",
function (session, features)
if not session.username then
t_insert(features, "<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>");
t_insert(features, "<mechanism>PLAIN</mechanism>");
t_insert(features, "</mechanisms>");
else
t_insert(features, "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><required/></bind>");
t_insert(features, "<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>");
end
--send [[<register xmlns="http://jabber.org/features/iq-register"/> ]]
end);
add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind",
function (session, stanza)
log("debug", "Client tried to bind to a resource");
local resource;
if stanza.attr.type == "set" then
local bind = stanza.tags[1];
if bind and bind.attr.xmlns == xmlns_bind then
resource = bind:child_with_name("resource");
if resource then
resource = resource[1];
end
end
end
local success, err = sm_bind_resource(session, resource);
if not success then
local reply = st.reply(stanza);
reply.attr.type = "error";
if err == "conflict" then
reply:tag("error", { type = "modify" })
:tag("conflict", { xmlns = xmlns_stanzas });
elseif err == "constraint" then
reply:tag("error", { type = "cancel" })
:tag("resource-constraint", { xmlns = xmlns_stanzas });
elseif err == "auth" then
reply:tag("error", { type = "cancel" })
:tag("not-allowed", { xmlns = xmlns_stanzas });
end
send(session, reply);
else
local reply = st.reply(stanza);
reply:tag("bind", { xmlns = xmlns_bind})
:tag("jid"):text(session.full_jid);
send(session, reply);
end
end);
add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session",
function (session, stanza)
log("debug", "Client tried to bind to a resource");
send(session, st.reply(stanza));
end);