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psyced/world/net/jabber/user.c
psyc://psyced.org/~lynX 7b3b955117 bugfix: enforce uniforms in _routes
2009-11-07 00:07:54 +01:00

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// $Id: user.c,v 1.303 2008/09/12 15:54:39 lynx Exp $ // vim:syntax=lpc:ts=8
#include "jabber.h"
#include "user.h"
#include "person.h"
#include <uniform.h>
#include <peers.h>
// important to #include user.h first
// then we also repatch _host_XMPP so disco.c does the right thing for us
#undef _host_XMPP
#define _host_XMPP SERVER_HOST
volatile string prefix; // used anywhere?
volatile string tag;
volatile string resource;
volatile string myjid, myjidresource;
volatile int isplacemsg;
volatile int hasroster = 0; // client has requested roster
volatile mapping affiliations = ([ ]); // hack to support affiliations
volatile mapping jabber2avail;
#include JABBER_PATH "disco.c"
// #include NET_PATH "members.i" // isn't this include redundant?
sTag(t) { tag = t; }
sResource(r) { resource = r; }
qResource() { return resource; }
qHasCurrentPlace() { return 0; }
void create() {
jabber2avail = shared_memory("jabber2avail");
::create();
}
/* it should be posible to do some things in a way that can be shared between
* user and active/gateway... mostly stuff like MUC-support, version requests
* and such -- TODO
* what should be strictly in user.c is mainly roster managment
*/
msg(source, mc, data, mapping vars, showingLog) {
int ret;
string jid, buddy;
string packet;
mixed t;
P2(("%s beim jabber:user:msg\n", mc))
// net/group/master says we should copy vars if we need to
// mess with it. yes we certainly do! major bugfix here :)
vars = copy(vars);
// looks quite similar to the stuff in active.c, but active
// is much more elaborated
if (vars["_place"]) vars["_place"] = mkjid(vars["_place"]);
if (abbrev("_message_echo_public", mc) || abbrev("_jabber", mc)) {
return render(mc, data, vars, source);
} else if (abbrev("_message_echo_private", mc) && v("echo") != "on") {
return;
} else if (abbrev("_notice_place_enter", mc)) {
mc = "_notice_place_enter";
vars["_source_relay"] = mkjid(source);
} else if (abbrev("_echo_place_enter", mc)) {
#if 1
// we need ::msg to do the check only - this is a dirty hack
// see ::msg _echo_place_enter comment on enterMembers
if (::msg(source, "_echo_place_enter_INTERNAL_CHECK", data, vars, showingLog) == -1)
return;
// there probably is a nicer way to do this, but for now this will do
#endif
#if 0
affiliations[source] = vars["_duty"];
mc = "_echo_place_enter";
vars["_source_relay"] = myjid;
#else
# ifdef ENTER_MEMBERS
string template;
if (vars["_list_members"]) {
jid = mkjid(source);
array(string) rendered;
// find local objects, they should be displayed as locals
vars["_list_members"] = map(copy(vars["_list_members"]),
(: return psyc_object($1) || $1; :));
// PARANOID check missing, but we no longer need it
rendered = renderMembers(vars["_list_members"],
vars["_list_members_nicks"]);
packet = "";
// this one is different from active.c
// we want local users to be shown with nicknames, even
// if we are in a remote room
// TODO: there does not seem to be proper support for
// room-local nicknames and clashnick
// (this is already in active.c)
// this also affects other places... probably it's best
// to include the 210 status code?
template = T("_notice_place_enter", "");
for(int i = 0; i < sizeof(vars["_list_members"]); i++) {
#if 0
if (rendered[i] == vars["_nick"]) {
// this only happens with local users
rendered[i] = SERVER_UNIFORM +"~"+ rendered[i];
}
#endif
packet += psyctext(template, ([
"_source_relay" : mkjid(vars["_list_members"][i]),
"_INTERNAL_source_jabber" : jid + "/" + RESOURCEPREP(rendered[i]),
"_INTERNAL_target_jabber" : myjidresource,
"_duty" : "none"
]));
}
}
template = T("_echo_place_enter", "");
packet += psyctext(template, ([
"_source_relay" : myjid,
"_INTERNAL_source_jabber" : jid + "/" + RESOURCEPREP(vars["_nick_local"] || vars["_nick"]),
"_INTERNAL_target_jabber" : myjidresource,
"_duty" : affiliations[source] || "none"
]));
emit(packet);
# endif
return 1;
#endif
} else if (abbrev("_notice_place_leave", mc)) {
mc = "_notice_place_leave";
}
switch (mc) {
case "_status_description_time":
case "_status_person_present":
case "_status_person_present_implied":
case "_status_person_absent":
case "_status_person_absent_recorded":
P2(("%O got %O\n", ME, mc))
// actually.. we never send _time_idle with this
if (member(vars, "_time_idle")) {
t = vars["_time_idle"];
if (stringp(t)) {
t = to_int(t);
P2(("_time_idle %O == %O, right?\n", vars["_time_idle"], t))
}
t = gmtime(time() - t);
vars["_INTERNAL_time_jabber"] = JABBERTIME(t);
} else {
vars["_INTERNAL_time_jabber"] = JABBERTIME(gmtime(time()));
}
break;
case "_notice_friendship_established":
// TODO:
// it should be checked that this request is valid
// but for this hack xbuddylist[buddy] != 0 is enough
ret = ::msg(source, mc, data, vars, showingLog);
buddy = objectp(source) ? source -> qName() : source;
jid = mkjid(source);
emit(sprintf("<iq type='set'>"
"<query xmlns='jabber:iq:roster'>"
"<item jid='%s' subscription='both'>%s"
"</item></query></iq>",
jid, IMPLODE_XML(xbuddylist[buddy], "<group>") || ""));
return ret;
case "_notice_friendship_removed":
ret = ::msg(source, mc, data, vars, showingLog);
buddy = objectp(source) ? source -> qName() : source;
jid = mkjid(source);
// is this supposed to delete the groups as well?
// ::msg will delete this person from ppl so if
// we want to use pplgroups for channel routing
// we need to keep the two structures in sync..
// sind sie... wenn das hier dazu führt, dass
// der status im ppl auf "nix subscribed" gesetzt
// wird statt es zu loeschen
emit("<iq type='set'>"
"<query xmlns='jabber:iq:roster'>"
"<item jid='"+ jid +"' subscription='none'>"
"</item></query></iq>");
if (xbuddylist[buddy]) {
m_delete(xbuddylist, buddy);
}
return ret;
# ifndef ENTER_MEMBERS
case "_status_place_members":
int i;
string skip;
array(string) rendered;
string template, packet;
// this would have been done by ::msg
#ifdef PARANOID
unless (pointerp(vars["_list_members"]))
vars["_list_members"] = ({ vars["_list_members"] });
#endif
// copy still necessary here? TODO
vars["_list_members"] = map(copy(vars["_list_members"]),
(: return psyc_object($1) || $1; :));
#ifdef PARANOID
unless (pointerp(vars["_list_members_nicks"]))
vars["_list_members_nicks"] = ({ vars["_list_members_nicks"] });
#endif
rendered = renderMembers(vars["_list_members"],
vars["_list_members_nicks"]);
packet = "";
// this one is different from active.c
// we want local users to be shown with nicknames, even
// if we are in a remote room
jid = mkjid(source);
template = T("_status_place_members_each", "");
for(i = 0; i < sizeof(vars["_list_members"]); i++) {
if (vars["_list_members"][i] == ME) {
skip = vars["_list_members_nicks"][i];
continue;
}
packet += psyctext(template, ([
"_source_relay" : mkjid(vars["_list_members"][i]),
"_INTERNAL_source_jabber" : jid + "/" + RESOURCEPREP(rendered[i]),
"_INTERNAL_target_jabber" : myjidresource,
"_duty" : "none"
]));
}
template = T("_status_place_members_self", "");
packet += psyctext(template, ([
"_source_relay" : myjid,
"_INTERNAL_source_jabber" : jid + "/" + RESOURCEPREP(vars["_nick_local"] || vars["_nick"]),
"_INTERNAL_target_jabber" : myjidresource,
"_duty" : affiliations[source] || "none"
]));
emit(packet);
return;
# endif
}
// ::msg should get called at the *beginning* of this function
// but that would cause some new problems..
return ::msg(source, mc, data, vars, showingLog);
}
showFriends() {
// send presence for online friends
string packet = "";
mixed person;
int av;
foreach(person: m_indices(friends)) if (person) {
av = friends[person, FRIEND_AVAILABILITY];
packet += psyctext(T("_status_presence"+ avail2mc[av],
"<presence to='[_INTERNAL_target_jabber]' "
"from='[_INTERNAL_source_jabber]'/>"), ([
"_INTERNAL_target_jabber" : myjid,
"_INTERNAL_source_jabber" : mkjid(person),
"_description_presence" : "", // TODO: get these from state
"_INTERNAL_XML_description_presence" : "",
"_INTERNAL_mood_jabber" : "neutral"
]));
}
if (strlen(packet)) emit(packet);
P2(("%O jabberish showFriends: %O outputs as %O\n", ME, friends, packet))
}
logon() {
// language support is in server.c
vSet("scheme", "jabber");
vDel("layout");
vDel("agent");
vDel("query"); // server-side query would drive jabbers crazy as well
vDel("place"); // we do use this, but we don't autojoin it
#ifdef INPUT_NO_TELNET
input_to(#'feed, INPUT_IGNORE_BANG | INPUT_CHARMODE | INPUT_NO_TELNET);
#else
// enable_telnet(0, ME);
input_to(#'feed, INPUT_IGNORE_BANG | INPUT_CHARMODE);
#endif
nodeHandler = #'jabberMsg;
set_prompt("");
myjid = NODEPREP(MYLOWERNICK) +"@" + NAMEPREP(SERVER_HOST);
myjidresource = myjid +"/"+ RESOURCEPREP(resource);
P2(("%O ready to rumble (%O)\n", myjidresource, ME))
// reicht auch aufzurufen, wenn announce 0 returned..
showFriends();
return ::logon();
}
autojoin() {
// jabber as a protocol is unable to recognize a forced join
// into a room. there is a method for autojoin, but its
// client-based and does not work this way
return 1;
}
jabberMsg(XMLNode node) {
switch (node[Tag]) {
case "iq":
tag = node["@id"];
return iq(node);
case "message":
return message(node);
case "presence":
return presence(node);
default:
return ::jabberMsg(node);
}
}
presence(XMLNode node) {
// this ignores the resource completely
// but as long as it works...
// we could check that... but hey...
string target, host, res, nick, text;
isplacemsg = ISPLACEMSG(node["@to"]);
// note: same code is in mixin_parse...
if (!isplacemsg && getchild(node, "x", "http://jabber.org/protocol/muc#user")) {
isplacemsg = 2;
}
#ifndef _flag_disable_presence_directed_XMPP
if (node["@to"]) {
target = jid2ppl(node["@to"]);
if (isplacemsg) {
mixed *u = parse_uniform(XMPP + node["@to"]);
P2(("some kind of place stuff\n"))
if (node["@type"] == "unavailable") {
P2(("requesting to leave %O\n", target))
placeRequest(target,
# ifdef SPEC
"_request_context_leave"
# else
"_request_leave"
# endif
, 1);
place = 0; // should we do it when we receive the notice?
// anyway, w/out this we show up as still being
// in that room in /p
} else {
# ifdef ENTER_MEMBERS
// TODO: this might be needed and should work for remote rooms
// doing it in local rooms is a bad idea
if (is_formal(target))
placeRequest(target,
# ifdef SPEC
"_request_context_enter"
# else
"_request_enter"
# endif
"_again", 0, 1, ([
"_nick" : MYNICK,
"_nick_local" : u[UResource]
]));
else
placeRequest(target,
# ifdef SPEC
"_request_context_enter"
# else
"_request_enter"
# endif
"_again", 0, 1);
# else
P2(("teleporting to %O\n", target))
teleport(target, "_join", 0, 1);
# endif
}
# ifndef _flag_disable_module_friendship
} else if (node["@type"] == "subscribe") {
friend(0, 0, jid2ppl(node["@to"]));
} else if (node["@type"] == "unsubscribe") {
friend(1, 0, jid2ppl(node["@to"]));
# endif // _flag_disable_module_friendship
} else if (abbrev(XMPP, target)) {
// if the person is not on our buddylist,
// this is usually a muc join
// but i am not sure if there are other uses of
// presence in jabber
# ifdef JABBER_TRANSPARENCY
mapping vars = ([ "_nick" : MYNICK ]);
mixed *u = parse_uniform(XMPP + node["@to"]);
P3(("jtranz presence to %O\n", target))
// TODO: presence out! im prinzip dem places mapping
// funktinal sehr aehnlich, sofern das ziel nicht
// auf unserer buddylist ist
// wir muessen halt beim logout unavailable schicken
// an alle auf der liste
// unless(mappingp(presence_out)) presence_out = ([ ]);
vars["_jabber_XML"] = innerxml;
// TODO: wir fliegen wir mit _host_XMPP auf die
// NASE.
// wir muessen die resource in die vars stecken...
vars["_INTERNAL_source_jabber"] = myjidresource;
if (node["@type"] == "unavailable") {
// TODO: delete this from presence out
sendmsg(target,
"_jabber_presence_unavailable",
"[_nick] is sending you a jabber presence of type unavailable.",
vars);
} else {
// TODO: add this to presence out
sendmsg(target,
"_jabber_presence",
"[_nick] is sending you a jabber presence.",
vars);
}
# endif
} else {
// TODO: what can we do in this case?
// we can look at our buddylist, if target is a member
// then this is a directed presence
}
} /* end of directed presence handling */
#endif // _flag_disable_presence_directed_XMPP
else if (node["@type"] == "unavailable") {
// announce OFFLINE manually here? no.. see comment in person:quit()
// _flag_enable_manual_announce_XMPP is nothing we really need.. i think
return quit();
}
#ifdef AVAILABILITY_AWAY
else if (node["/show"]) {
// this is one of the so-called "presence broadcasts"
announce(jabber2avail[node["/show"] && node["/show"][Cdata]], 0, 0,
node["/status"] && node["/status"][Cdata]);
} else {
// TODO: quiet?
announce(AVAILABILITY_HERE);
}
#endif // AVAILABILITY_AWAY
}
message(XMLNode node) {
XMLNode helper;
string target, host, nick;
string res;
mixed t, msg;
mixed *u;
unless (node["@to"] && strlen(node["@to"])) {
// this could well become valid in terms of a psyc friendcast
P0(("%O jabber message() without 'to'-attribute\n"))
return;
}
target = jid2ppl(node["@to"]);
unless (u = parse_uniform(XMPP + node["@to"])) { D("impossible!\n"); }
isplacemsg = ISPLACEMSG(node["@to"]);
if (is_localhost(lower_case(node["@to"]))) {
// it's too unusual to have commands without cmdchar
// so let's use input() instead of cmd() here
// IMHO this should check if input is a cmd
if (u[UResource] == "announce") {
// setting a MOTD
P1(("%O TODO: setting a MOTD %O\n", ME, node))
#if 0
} else if (u[UResource] == "announce/online") {
// sending a message to all online users
parsecmd("yell " + node["/body"][Cdata]);
#endif
} else {
// was input() up to recently.
if (node["/body"]) parsecmd(node["/body"][Cdata]);
else {
P1(("%O got msg w/out body: %O\n", ME, node))
}
}
return;
#ifndef STRICT_NO_JID_HACKS
} else if (node["@to"] == "xmpp") {
// mh... someone talking to our virtual xmpp gateway :-)
P1(("%O talking to me?? %O\n", ME, node))
#endif
}
// lets ignore typing notifications and such
// they are evil for s2s karma
unless((msg = node["/body"])) {
P1(("%O talking, but nothing to say %O\n", ME, node))
return;
}
unless(stringp(msg = msg[Cdata])) {
P1(("%O why isn't msg a string!? %O of %O\n", ME, msg, node))
return;
}
if ((helper = getchild(node, "x", "jabber:x:oob")) && helper["/url"]) {
// now this is what i call a dirty hack,
// still better than ignoring it however..
//msg += " < "+ node["/x"]["/url"] +" >";
// we need formats for _message, huh?
// so we can put this into a var where it belongs..
// well, we don't have psyc-cmd() yet anyhow, so let's
// just append it in case it's an argument for a command
msg += " " + helper["/url"][Cdata];
}
if (node["@type"] == "groupchat") {
P4(("groupchat in %O: %O, %O. place is %O\n",
ME, target, v("place"), place))
// _message_public
// TODO: this wont work with remote places at all...
if (isplacemsg) {
P4(("isplacemsg in %O: %O == %O (%O) ?\n", ME,
target, v("place"), place))
if ((!v("place") || stricmp(target, v("place")))
&& (t = find_place(target))) {
place = t;
vSet("place", target);
P4(("find_place in %O: %O is the place for love\n", ME, t))
}
input(msg);
} else {
#ifdef JABBER_TRANSPARENCY
mapping vars = ([ "_nick" : MYNICK ]);
P3(("jtranz groupchat to %O\n", target))
vars["_jabber_XML"] = innerxml;
// TODO: dirty hack
vars["_INTERNAL_target_jabber"] = target[5..];
vars["_INTERNAL_source_jabber"] = myjidresource;
sendmsg(target,
"_jabber_message_groupchat",
"[_nick] is sending you a jabber groupchat message.",
vars);
#endif
}
} else {
if (isplacemsg) { // damn similar code in gateway.c!!!!
#if 0 // STRICTLY UNFRIENDLY NON-FUN TREATMENT
sendmsg(ME, "_failure_unsupported_function_whisper",
"Routing private messages through groupchat managers is dangerous to your privacy and therefore disallowed. Please communicate with the person directly.");
#else // MAKE FUN OF ST00PID JABBER USERS VARIANT
mixed o = find_place(u[UUser][1..]);
if (objectp(o) && node["/body"]) {
// handle this by doing "flüstern" in room ;)
// <from> whispers to <to>: <cdata>
P0(("private message in place.. from %O to %O\n",
ME, o))
sendmsg(o, "_message_public_whisper",
node["/body"][Cdata], ([ "_nick_target": u[UNick]]));
}
#endif
return 1;
}
// _message_private
nick = jid2ppl(node["@to"]);
// P2(("nick: %s\n", nick))
// TODO: vars["_time_INTERNAL"] => jabber:x:delay, JEP-0091
#if 0
if (msg[0..2] == "/me") {
parsecmd(msg, nick);
} else {
tell(nick, msg);
}
#else
input(msg, nick);
#endif
}
}
iq(XMLNode node) {
string target;
string friend;
XMLNode helper;
XMLNode iqchild;
string t;
string packet;
string template;
mixed *vars;
vars = ([ "_nick": MYNICK ]);
target = jid2ppl(node["@to"]);
isplacemsg = stringp(target) && strlen(target) && ISPLACEMSG(target);
P3(("+++ %O IQ node %O\n", ME, node))
iqchild = getiqchild(node);
unless (iqchild && mappingp(iqchild)) switch(node["@type"]) {
case "get":
case "set":
case "result":
case "error":
P1(("%O got empty iq %O\n", ME, node))
return;
default:
P1(("%O got invalid iq %O\n", ME, node))
return;
}
helper = iqchild;
switch(iqchild["@xmlns"]) {
case "jabber:iq:version":
switch(node["@type"]) {
case "get":
// TODO: as we need to fiddle with every tag, we probably could
// overload sendmsg() of uni.c
m_delete(vars, "_tag");
sendmsg(target, "_request_version", 0, vars, 0, 0,
(:
$4["_tag_reply"] = tag;
msg($1, $2, $3, $4);
return;
:));
break;
case "set":
// HUH?
break;
case "result":
break;
case "error":
break;
}
break;
case "jabber:iq:last":
// TODO: request idle time
break;
case "urn:xmpp:ping":
switch(node["@type"]) {
case "get":
case "set": // I dont know why xep 0199 uses set... its a request
// it got fixed in version 0.2 of the xep
w("_echo_ping", 0, vars);
break;
}
break;
#if !defined(REGISTERED_USERS_ONLY) && !defined(_flag_disable_registration_XMPP)
case "jabber:iq:register":
switch(node["@type"]) {
case "get":
if (node["@to"] && node["@to"] != myjid) {
// query this information from someone else
// e.g. a transport
} else {
emit(sprintf("<iq type='result' id='%s'>"
"<query xmlns='jabber:iq:register'>"
"<password/>"
"<instructions/>"
"<name>%s</name>"
"<email>%s</email>"
"</query></iq>",
tag,
v("publicname") || "",
v("email") || ""));
}
break;
case "set":
if (node["@to"] && node["@to"] != myjid) {
// send this information from someone else
// e.g. a transport
} else {
if (t = helper["/email"])
vSet("email", t[Cdata]);
if (t = helper["/name"])
vSet("publicname", t[Cdata]);
// TODO: better use legal_password() for that
if ((t = helper["/password"]) && strlen(t[Cdata]))
vSet("password", t[Cdata]);
save();
emit(sprintf("<iq type='result' id='%s'/>", tag));
}
break;
case "result":
break;
case "error":
break;
}
#endif // jabber:iq:register
case "jabber:iq:roster":
switch(node["@type"]) {
case "get":
// TODO: this assumes that to is unset and the query is
// to itself
hasroster = 1;
packet = sprintf("<iq type='result' to='%s' id='%s'>"
"<query xmlns='jabber:iq:roster'>",
myjid, tag);
// TODO: listAcq does the same basically
foreach (friend : ppl) {
mixed *u;
string ro;
mixed *va;
string variant = "";
if (is_formal(friend)) t = mkjid(friend);
else
t = friend + "@" SERVER_HOST;
switch (ppl[friend][PPL_NOTIFY]) {
case PPL_NOTIFY_MUTE:
break;
case PPL_NOTIFY_DELAYED_MORE:
case PPL_NOTIFY_DELAYED:
// wieso sind die mute genauso wie die
// delayed?
variant = "_delayed";
break;
case PPL_NOTIFY_IMMEDIATE:
variant = "_immediate";
break;
// these two are handled differently
case PPL_NOTIFY_OFFERED:
case PPL_NOTIFY_PENDING:
continue;
default:
// va["_acquaintance"] = "none";
}
// TODO: subscription states
//
// we append _roster because this output format is not
// compatible
// to the /show command.
template = T("_list_acquaintance_notification" + variant + "_roster", "");
ro = psyctext(template, ([
"_friend" : t,
"_list_groups" : IMPLODE_XML(xbuddylist[friend], "<group>") || "",
#ifdef ALIASES
"_nick" : raliases[friend] || friend
#else
"_nick" : friend
#endif
]));
if (ro) packet += ro;
else {
P2(("%O empty result for %O with buddy %O\n",
ME, "_list_acquaintance_notification" + variant + "_roster", friend))
}
}
emit(packet +"</query></iq>");
// here we should redisplay requests skipped above
// oder kann man die einfach reinmixen - nein
// foreach skipped
// _list_acquaintance_notification_pending
// _list_acquaintance_notification_offered
showFriends();
break;
case "set":
helper = helper["/item"];
if (!mappingp(helper)) {
P1(("no item in iq set %O from %O in %O\n",
node, previous_object(), ME))
// FIXME: what is the correct behaviour
// in this case?
return;
}
if (helper["@subscription"] == "remove") {
string buddy = jid2ppl(helper["@jid"]);
#ifndef _flag_disable_module_friendship
P2(("remove %O from roster\n", helper["@jid"]))
friend(1, 0, buddy);
#endif
m_delete(xbuddylist, buddy);
emit(sprintf("<iq type='result' id='%s'/>", tag));
} else {
// note: "<group/> is opaque to jabber servers
string subscription;
string jid;
string buddy;
string name;
jid = helper["@jid"];
unless (stringp(jid)) {
P0(("invalid jid for %O in %O\n", name, ME))
break;
}
buddy = jid2ppl(jid);
unless (xbuddylist[buddy])
subscription = "none";
else
subscription = "both";
// we should store the alias name also.. TODO
if (helper["/group"]) {
if (nodelistp(helper["/group"])) {
xbuddylist[buddy] = ({ });
foreach(XMLNode iter : helper["/group"]) {
if (t = iter[Cdata])
xbuddylist[buddy] += ({ t });
}
} else if (t = helper["/group"][Cdata]) {
xbuddylist[buddy] = ({ t });
} else
xbuddylist[buddy] = ({ });
}
name = helper["@name"];
// USE ALIAS HERE
// if (name) xbuddylist[buddy][XBUDDY_NICK] = name;
// maybe we need to do this...
// exodus always sends _all_ groups a nick
// has to be in. but on the other hand we
// may want to act differently with psyc clients
//
// roster push
// maybe we can just implode the former "groups" here
unless (stringp(name)) {
// nicht schlimm.. hat der user das alias-feld
// einfach leergelassen
P4(("no name %O for %O in %O\n", name, jid, ME))
name = "";
}
emit(sprintf("<iq type='set'>" // TODO: needs a id
"<query xmlns='jabber:iq:roster'>"
"<item jid='%s' name='%s' "
"subscription='%s'>%s</item></query></iq>",
jid, name, subscription,
IMPLODE_XML(xbuddylist[buddy], "<group>")));
if (stringp(tag))
emit(sprintf("<iq type='result' id='%s'/>", tag));
#ifndef _flag_disable_module_friendship
// client will send presence subscribe in opposite direction
// so we shouldn't need this. alas, there seems to be a bug
// with re-subscribe
friend(0, 0, buddy);
#else
save();
#endif
}
break;
case "result":
// may happen in reply to roster pushes
break;
case "error":
}
break;
case "http://jabber.org/protocol/disco#info":
switch(node["@type"]) {
case "get":
if (!node["@to"])
sendmsg(ME, "_request_list_feature", 0, vars);
else if (is_localhost(lower_case(node["@to"])))
sendmsg("/", "_request_list_feature", 0, vars);
/* else... TODO */
break;
case "set":
break;
case "result":
break;
case "error":
break;
}
break;
case "http://jabber.org/protocol/disco#items":
// send a list of rooms to the client
switch(node["@type"]) {
case "get":
if (!node["@to"])
// "my" places - let person.c handle this
sendmsg(ME, "_request_list_item", 0, vars);
else if (is_localhost(lower_case(node["@to"])))
// server's places - let root.c handle this
sendmsg("/", "_request_list_item", 0, vars);
/* else... TODO */
break;
case "set": // never saw this
break;
case "result":
break;
case "error":
break;
}
break;
case "jabber:iq:private":
switch(node["@type"]) {
case "get":
helper = helper["/storage"];
if (helper && helper["@xmlns"] =="storage:bookmarks") {
// private xml storage, used for storing conference
// room bookmarks and autojoining them
packet = sprintf("<iq type='result' id='%s'>"
"<query xmlns='jabber:iq:private'>"
"<storage xmlns='storage:bookmarks'>",
tag);
// hey wait.. we are sending the list of places here..
// why is it i have never seen a jabber client actually
// executing autojoins? FIXME
if (v("subscriptions"))
foreach (string s in v("subscriptions")) {
string jid;
if (is_formal(s)) { // abbrev psyc:// is true
// watch out, this assumes that only psyc rooms
// can be entered remote
// is this way valid for remote psyc rooms?
// should use makejid or whatever this is called
jid = PLACEPREFIX + s[7..];
} else {
jid = PLACEPREFIX + s + "@" SERVER_HOST;
}
packet += sprintf("<conference name='%s' "
"autojoin='1' "
"jid='%s'>"
"<nick>%s</nick>"
"</conference>",
s, jid, MYNICK);
}
emit(packet + "</storage></query></iq>");
} else {
vars["_INTERNAL_source_jabber"] = node["@to"] || myjid;
vars["_INTERNAL_target_jabber"] = myjidresource;
vars["_tag_reply"] = tag;
render("_error_unsupported_method", 0, vars);
}
break;
case "set":
/* updating your subscriptions / private xml storage */
helper = helper["/storage"];
if (helper && helper["@xmlns"] =="storage:bookmarks"){
// TODO:
}
vars["_INTERNAL_source_jabber"] = node["@to"] || myjid;
vars["_INTERNAL_target_jabber"] = myjidresource;
vars["_tag_reply"] = tag;
render("_error_unsupported_method", 0, vars);
break;
case "result": // never saw this
break;
case "error": // never saw this
break;
}
break;
case "vcard-temp":
switch(node["@type"]) {
case "get":
vars["_tag"] = node["@id"];
if (node["@to"] && node["@to"] != myjid) {
/* request vcard from someone else */
} else {/* fake your own vcard */
emit("<iq type='result' id='" + tag + "' "
"to='" + (node["@from"] || myjid) + "' "
"from='" + myjid + "'>"
"<vCard xmlns='vcard-temp'>"
"</vCard></iq>");
}
break;
case "set":
if (node["@to"] && node["@to"] != myjid) {
// setting the vcard of someone else is an error
emit("<iq type='error' id='" + tag + "'>"
"<x xmlns='vcard-temp'/>"
"<error code='403' type='cancel'/>"
"<forbidden xmlns='" NS_XMPP "xmpp-stanzas'/>"
"</error>"
"</iq>");
} else { // update your own vcard
mixed mvars;
// watch out, dont use this email for v("email")-setting
// this one is public while v("email") is more
// private
mvars = convert_profile(node["/vCard"], "jCard");
P2(("%O received vCard from client (%O)\n", ME, sizeof(mvars)))
emit("<iq type='result' id='" + tag + "'/>");
request(ME, "_store", mvars);
return;
}
break;
case "result": // never saw this
break;
case "error": // never saw this
break;
default:
break;
}
break;
#if 0
case "urn:xmpp:blocking":
/* JEP-0191 style privacy lists
* When implementing this, pay special attention to
* http://www.xmpp.org/extensions/xep-0191.html#matching
* although I dont think that we will implement the resource part
*
* TODO: I would like to have an qPerson api that does this matching
* automatically ontop of ppl
*
* yuck... totgeburt
*/
switch(node["@type"]) {
case "get": /* return the whole blocklist */
packet = "<iq type='result'";
if (tag) packet += " id='" + tag + "'";
packet += "><blocklist xmlns='urn:xmpp:blocking'>";
foreach(mixed p, mixed val : ppl) {
if (val[PPL_DISPLAY] == PPL_DISPLAY_NONE)
packet += "<item jid='" + mkjid(p) + "'/>";
}
packet += "</blocklist></iq>";
break;
case "set":
if (iqchild["/item"] && !nodelistp(iqchild["/item"]))
iqchild["/item"] = ({ iqchild["/item"] });
unless(iqchild["/item"]) { /* clear the blocklist */
foreach(mixed p, mixed val : ppl) {
if (val[PPL_DISPLAY] == PPL_DISPLAY_NONE)
sPerson(p, PPL_DISPLAY, PPL_DISPLAY_DEFAULT);
}
} else {
int block = iqchild[Tag] == "block";
foreach (helper : iqchild["/item"]) {
/* add/remove each item to/from the blocklist */
if (block) {
/* TODO:
* integrate with friendship (/cancel) here!
*/
sPerson(helper["@jid"], PPL_DISPLAY, PPL_DISPLAY_NONE);
} else
sPerson(helper["@jid"], PPL_DISPLAY, PPL_DISPLAY_DEFAULT);
}
}
emit("<iq type='result'" + (tag ? "id='" + tag + "'" : "") + "/>");
/* push the updated items to other clients - that is delta
* just like roster
*/
// as we only have a single client this does not apply currently
// do pushes have to go to the 'current' client also?!
break;
case "result":
break;
case "error":
break;
}
break;
#endif
default:
P1(("%O got IQ with unknown namespace: %O\n", ME, node))
switch(node["@type"]) {
case "get":
if (node["@to"]) {
#ifdef JABBER_TRANSPARENCY
vars["_jabber_XML"] = innerxml;
sendmsg(target,
"_jabber_iq_get",
"[_nick] is sending you a jabber iq get.", vars);
P0(("iq get to %O from %O\n", target, ME))
#else
/* what else? */
#endif
} else { /* service-unavailable */
vars["_INTERNAL_source_jabber"] = node["@to"]||myjid;
vars["_INTERNAL_target_jabber"] = myjid;
vars["_tag_reply"] = tag;
render("_error_unsupported_method", 0, vars);
}
break;
case "set":
if (node["@to"]) {
#ifdef JABBER_TRANSPARENCY
vars["_tag"] = tag;
vars["_jabber_XML"] = innerxml;
sendmsg(target, "_jabber_iq_set",
"[_nick] is sending you a jabber iq set.", vars);
return;
#else
/* what else? */
#endif
} else { /* service-unavailable */
vars["_INTERNAL_source_jabber"] = node["@to"]||myjid;
vars["_INTERNAL_target_jabber"] = myjid;
vars["_tag_reply"] = tag;
render("_error_unsupported_method", 0, vars);
}
break;
case "result":
if (node["@to"]) {
#ifdef JABBER_TRANSPARENCY
vars["_tag_reply"] = tag;
vars["_jabber_XML"] = innerxml; // || "" ???
sendmsg(target, "_jabber_iq_result",
"[_nick] is sending you a jabber iq result.", vars);
#else
/* what else? */
#endif
} else {
vars["_INTERNAL_source_jabber"] = node["@to"]||myjid;
vars["_INTERNAL_target_jabber"] = myjid;
vars["_tag_reply"] = tag;
render("_error_unsupported_method", 0, vars);
}
break;
case "error":
vars["_tag_reply"] = tag;
if (node["@to"]) {
#ifdef JABBER_TRANSPARENCY
vars["_jabber_XML"] = innerxml;
sendmsg(target, "_jabber_iq_error",
"[_nick] is sending you a jabber iq error.", vars);
#else
/* what else? */
#endif
}
break;
}
}
}
// this converts a user@host into a local nick or uniform
// in a potentially not too consistent way
string jid2ppl(string jid) {
string node, host, resource;
string t;
P3(("jid2ppl saw %O\n", jid))
unless(jid) return 0;
//
// TODO: what if jid == SERVER_HOST?
// or alike?
sscanf(jid, "%s@%s", node, host);
unless (host) { // it is a bare hostname
host = jid;
node = "";
}
// never happens, because node is "" not 0
// unless (node) {
// return "psyc://" + host;
// }
sscanf(host, "%s/%s", host, resource);
#if 1 // wieso 0??? sendmsg() hätte das hinkriegen sollen.. war der gedanke
if (is_localhost(lower_case(host))) { // local user
P4(("is_localhost? %O, YES, then use %O\n", host, node))
// TODO: what about returning objects?
if (strlen(node) && ISPLACEMSG(node)) return PREFIXFREE(node);
return node;
}
# if 1
else if (strlen(node) && ISPLACEMSG(node)) {
return "psyc://" + host + "/@" + PREFIXFREE(node);
}
# endif
P4(("is_localhost? %O, NO, don't use %O\n", host, node))
#endif
#if 0
else if (host == "sip." SERVER_HOST) {
return "sip:" + replace(node, "%", "@");
}
else
#endif
#ifndef STRICT_NO_JID_HACKS
if (host == "xmpp") {
// send message to xmpp:node while replacing first % with @
unless(node) return 0; // iq query to "xmpp", which is our
// virtual gateway
t = XMPP + replace(node, "%", "@");
if (resource) t += "/" + resource;
// should it be RESOURCEPREP(resource) here? --lynX
return t;
}
else
#endif
#if 0 // sendmsg does this part, too
// TODO: maybe we need some kind of support for remote
// rooms here. As usual, we will use the # prefix for that
if (node[0] == '*' || node[0] == '~' || node[0] == '$') {
return "psyc://" + host + "/" + node;
}
#endif
// leave it to sendmsg() to figure out what to do
return jid;
}
varargs string mkjid(mixed who, mixed vars, mixed ignore_nick, mixed ignore_context, string target) {
if (stringp(who) && strlen(who) && !isplacemsg) {
string t;
mixed *u = parse_uniform(who);
unless (u) {
P3(("mkjid leaving %O as is\n", who))
return who; // it already _is_ a jid!
}
switch(u[UScheme]) {
case "psyc":
#if 0
// let psyc users be jidded as ~nick@host? would be cleaner
// but no.. we want to be jabber-upgradable and SWITCH2PSYC
// is a reality.. vive la legacy compatibility!
t = u[UResource] +"@"+ u[UHost];
#else
if ((t = u[UResource]) && strlen(t) > 1) {
// or let psyc users be the same person as on xmpp?
// YES we want transparent upgrades from xmpp to psyc!
if (t[0] == '@')
t = PLACEPREFIX+ u[UNick] +"@"+ u[UHost];
else
t = u[UNick] +"@"+ u[UHost];
} else {
// the usual "shouldn't happen" case which however does
t = u[UHost];
}
#endif
// ... and what about the resource in jabber sense?
P3(("mkjid encoding %O as %O (psyc)\n", who, t))
return t;
#if 1 // let xmpp users have their normal jids
case "xmpp":
case 0:
t = u[UUserAtHost] || u[UUser] +"@"+ u[UHost];
t = u[UResource] ? t+"/"+u[UResource] : t;
// should we use RESOURCEPREP(resource) here? --lynX
P3(("mkjid encoding %O as %O (xmpp)\n", who, t))
return t;
#endif
default:
// do funny user%host@scheme encoding
// could also croak back and deny this communication..
if (u[UUser]) {
t = u[UUser] +"%"+ u[UHost] +"@"+ u[UScheme];
t = u[UResource] ? t+"/"+u[UResource] : t;
// should we use RESOURCEPREP(resource) here? --lynX
}
else if (u[UResource]) {
t = u[UResource] +"%"+ u[UHost] +"@"+ u[UScheme];
}
else t = u[UHost] +"@"+ u[UScheme];
P3(("mkjid encoding %O as %O\n", who, t))
return t;
}
}
P3(("calling regular ::mkjid for %O\n", who))
return ::mkjid(who, vars, ignore_nick, ignore_context, target, SERVER_HOST);
}
// message rendering a la jabber
w(string mc, string data, mapping vars, mixed source) {
mixed t;
unless (mappingp(vars)) vars = ([]);
else if (vars["_nick_verbatim"]) vars["_nick"] = vars["_nick_verbatim"];
// ^^ this is a temporary workaround until we fix the real problem!
switch (mc) {
case "_notice_login":
// suppresses the jabber:iq:auth reply in the SASL case
unless (stringp(tag)) return;
break;
case "_notice_session_end":
// jabber clients do not want to know
// (they already closed the connection when we get here)
return;
case "_error_status_place_matches":
P2(("still _error_status_place_matches?\n"))
return;
case "_echo_request_friendship":
vars["_list_groups"] = xbuddylist[vars["_nick"]] || "";
vars["_nick"] = mkjid(vars["_nick"]);
break;
/* copy/paste from active.c, BAD */
case "_notice_list_feature":
case "_notice_list_feature_person":
case "_notice_list_feature_place":
case "_notice_list_feature_server":
case "_notice_list_feature_newsfeed":
#ifndef _flag_disable_query_server
mixed id2jabber = shared_memory("disco_identity");
mixed feat2jabber = shared_memory("disco_features");
unless (mappingp(id2jabber)) return 1;
vars["_identity"] = id2jabber[vars["_identity"]] || vars["_identity"];
vars["_list_feature"] = implode(map(vars["_list_feature"],
(: return "<feature var='" + feat2jabber[$1] + "'/>"; :)), "");
break;
#else
return 1;
#endif
case "_notice_list_item":
t = "";
// same stuff in user.c (what happened to code sharing?)
for (int i = 0; i < sizeof(vars["_list_item"]); i++) {
t += "<item name='"+ xmlquote(vars["_list_item_description"][i]) +"'";
if (vars["_list_item"] && vars["_list_item"][i])
t += " jid='" + mkjid(vars["_list_item"][i]) + "'";
if (vars["_list_item_node"] && vars["_list_item_node"][i])
t += " node='" + vars["_list_item_node"][i] + "'";
t += "/>";
}
vars["_list_item"] = t;
break;
}
if (source)
determine_sourcejid(source, vars);
else {
vars["_INTERNAL_source_jabber"] = SERVER_HOST;
vars["_INTERNAL_source_jabber_bare"] = SERVER_HOST;
}
// determine_targetjid(target, vars);
unless (vars["_INTERNAL_target_jabber"])
vars["_INTERNAL_target_jabber"] = myjidresource;
unless (vars["_INTERNAL_target_jabber_bare"])
vars["_INTERNAL_target_jabber_bare"] = myjid;
if (vars["_place"]) vars["_place"] = mkjid(vars["_place"]);
// TODO: this tag strategy needs to be reworked...
// the unlesses are because sometimes the psyced does tagging internally
// or if the packet is arriving from remote
unless (vars["_tag"]) vars["_tag"] = tag;
unless (vars["_tag_reply"]) vars["_tag_reply"] = tag;
if (vars["_list_groups"])
vars["_list_groups"] = IMPLODE_XML(vars["_list_groups"], "<group>");
#if 0
if (stringp(data) && strstr(data, "r00t") >= 0) {
P0(("user:w(%O, %O, %O, %O)\n", mc, data, vars, source))
}
#endif
unless (interactive(ME)) {
P1(("%O not interactive. w(%O) from %O.\n", ME, mc, source))
return;
}
return render(mc, data, vars, source);
}
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