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xmpp.chapril.org-ejabberd/src/mod_vcard_odbc.erl
Badlop 9df5639974 Support XEP-0157: Contact Addresses for XMPP Services (EJAB-235) 
SVN Revision: 2368
2009-07-17 20:45:44 +00:00

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Erlang
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%%%----------------------------------------------------------------------
%%% File : mod_vcard.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : vCard support via ODBC
%%% Created : 2 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2009 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License
%%% along with this program; if not, write to the Free Software
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%----------------------------------------------------------------------
-module(mod_vcard_odbc).
-author('alexey@process-one.net').
-behaviour(gen_mod).
-export([start/2, init/3, stop/1,
get_sm_features/5,
process_local_iq/3,
process_sm_iq/3,
%reindex_vcards/0,
remove_user/2]).
-include("ejabberd.hrl").
-include("jlib.hrl").
-define(JUD_MATCHES, 30).
-define(PROCNAME, ejabberd_mod_vcard).
start(Host, Opts) ->
ejabberd_hooks:add(remove_user, Host,
?MODULE, remove_user, 50),
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_VCARD,
?MODULE, process_local_iq, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_VCARD,
?MODULE, process_sm_iq, IQDisc),
ejabberd_hooks:add(disco_sm_features, Host, ?MODULE, get_sm_features, 50),
MyHost = gen_mod:get_opt_host(Host, Opts, "vjud.@HOST@"),
Search = gen_mod:get_opt(search, Opts, true),
register(gen_mod:get_module_proc(Host, ?PROCNAME),
spawn(?MODULE, init, [MyHost, Host, Search])).
init(Host, ServerHost, Search) ->
case Search of
false ->
loop(Host, ServerHost);
_ ->
ejabberd_router:register_route(Host),
loop(Host, ServerHost)
end.
loop(Host, ServerHost) ->
receive
{route, From, To, Packet} ->
case catch do_route(ServerHost, From, To, Packet) of
{'EXIT', Reason} ->
?ERROR_MSG("~p", [Reason]);
_ ->
ok
end,
loop(Host, ServerHost);
stop ->
ejabberd_router:unregister_route(Host),
ok;
_ ->
loop(Host, ServerHost)
end.
stop(Host) ->
ejabberd_hooks:delete(remove_user, Host,
?MODULE, remove_user, 50),
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_VCARD),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_VCARD),
ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE, get_sm_features, 50),
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
Proc ! stop,
{wait, Proc}.
get_sm_features({error, _Error} = Acc, _From, _To, _Node, _Lang) ->
Acc;
get_sm_features(Acc, _From, _To, Node, _Lang) ->
case Node of
[] ->
case Acc of
{result, Features} ->
{result, [?NS_VCARD | Features]};
empty ->
{result, [?NS_VCARD]}
end;
_ ->
Acc
end.
process_local_iq(_From, _To, #iq{type = Type, lang = Lang, sub_el = SubEl} = IQ) ->
case Type of
set ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
get ->
IQ#iq{type = result,
sub_el = [{xmlelement, "vCard",
[{"xmlns", ?NS_VCARD}],
[{xmlelement, "FN", [],
[{xmlcdata, "ejabberd"}]},
{xmlelement, "URL", [],
[{xmlcdata, ?EJABBERD_URI}]},
{xmlelement, "DESC", [],
[{xmlcdata,
translate:translate(
Lang,
"Erlang Jabber Server") ++
"\nCopyright (c) 2002-2009 ProcessOne"}]},
{xmlelement, "BDAY", [],
[{xmlcdata, "2002-11-16"}]}
]}]}
end.
process_sm_iq(From, To, #iq{type = Type, sub_el = SubEl} = IQ) ->
case Type of
set ->
#jid{user = User, lserver = LServer} = From,
case lists:member(LServer, ?MYHOSTS) of
true ->
set_vcard(User, LServer, SubEl),
IQ#iq{type = result, sub_el = []};
false ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}
end;
get ->
#jid{luser = LUser, lserver = LServer} = To,
Username = ejabberd_odbc:escape(LUser),
case catch odbc_queries:get_vcard(LServer, Username) of
{selected, ["vcard"], [{SVCARD}]} ->
case xml_stream:parse_element(SVCARD) of
{error, _Reason} ->
IQ#iq{type = error,
sub_el = [SubEl, ?ERR_SERVICE_UNAVAILABLE]};
VCARD ->
IQ#iq{type = result, sub_el = [VCARD]}
end;
{selected, ["vcard"], []} ->
IQ#iq{type = result, sub_el = []};
_ ->
IQ#iq{type = error,
sub_el = [SubEl, ?ERR_INTERNAL_SERVER_ERROR]}
end
end.
set_vcard(User, LServer, VCARD) ->
FN = xml:get_path_s(VCARD, [{elem, "FN"}, cdata]),
Family = xml:get_path_s(VCARD, [{elem, "N"}, {elem, "FAMILY"}, cdata]),
Given = xml:get_path_s(VCARD, [{elem, "N"}, {elem, "GIVEN"}, cdata]),
Middle = xml:get_path_s(VCARD, [{elem, "N"}, {elem, "MIDDLE"}, cdata]),
Nickname = xml:get_path_s(VCARD, [{elem, "NICKNAME"}, cdata]),
BDay = xml:get_path_s(VCARD, [{elem, "BDAY"}, cdata]),
CTRY = xml:get_path_s(VCARD, [{elem, "ADR"}, {elem, "CTRY"}, cdata]),
Locality = xml:get_path_s(VCARD, [{elem, "ADR"}, {elem, "LOCALITY"},cdata]),
EMail1 = xml:get_path_s(VCARD, [{elem, "EMAIL"}, {elem, "USERID"},cdata]),
EMail2 = xml:get_path_s(VCARD, [{elem, "EMAIL"}, cdata]),
OrgName = xml:get_path_s(VCARD, [{elem, "ORG"}, {elem, "ORGNAME"}, cdata]),
OrgUnit = xml:get_path_s(VCARD, [{elem, "ORG"}, {elem, "ORGUNIT"}, cdata]),
EMail = case EMail1 of
"" ->
EMail2;
_ ->
EMail1
end,
LUser = jlib:nodeprep(User),
LFN = stringprep:tolower(FN),
LFamily = stringprep:tolower(Family),
LGiven = stringprep:tolower(Given),
LMiddle = stringprep:tolower(Middle),
LNickname = stringprep:tolower(Nickname),
LBDay = stringprep:tolower(BDay),
LCTRY = stringprep:tolower(CTRY),
LLocality = stringprep:tolower(Locality),
LEMail = stringprep:tolower(EMail),
LOrgName = stringprep:tolower(OrgName),
LOrgUnit = stringprep:tolower(OrgUnit),
if
(LUser == error) or
(LFN == error) or
(LFamily == error) or
(LGiven == error) or
(LMiddle == error) or
(LNickname == error) or
(LBDay == error) or
(LCTRY == error) or
(LLocality == error) or
(LEMail == error) or
(LOrgName == error) or
(LOrgUnit == error) ->
{error, badarg};
true ->
Username = ejabberd_odbc:escape(User),
LUsername = ejabberd_odbc:escape(LUser),
SVCARD = ejabberd_odbc:escape(
lists:flatten(xml:element_to_string(VCARD))),
SFN = ejabberd_odbc:escape(FN),
SLFN = ejabberd_odbc:escape(LFN),
SFamily = ejabberd_odbc:escape(Family),
SLFamily = ejabberd_odbc:escape(LFamily),
SGiven = ejabberd_odbc:escape(Given),
SLGiven = ejabberd_odbc:escape(LGiven),
SMiddle = ejabberd_odbc:escape(Middle),
SLMiddle = ejabberd_odbc:escape(LMiddle),
SNickname = ejabberd_odbc:escape(Nickname),
SLNickname = ejabberd_odbc:escape(LNickname),
SBDay = ejabberd_odbc:escape(BDay),
SLBDay = ejabberd_odbc:escape(LBDay),
SCTRY = ejabberd_odbc:escape(CTRY),
SLCTRY = ejabberd_odbc:escape(LCTRY),
SLocality = ejabberd_odbc:escape(Locality),
SLLocality = ejabberd_odbc:escape(LLocality),
SEMail = ejabberd_odbc:escape(EMail),
SLEMail = ejabberd_odbc:escape(LEMail),
SOrgName = ejabberd_odbc:escape(OrgName),
SLOrgName = ejabberd_odbc:escape(LOrgName),
SOrgUnit = ejabberd_odbc:escape(OrgUnit),
SLOrgUnit = ejabberd_odbc:escape(LOrgUnit),
odbc_queries:set_vcard(LServer, LUsername, SBDay, SCTRY, SEMail,
SFN, SFamily, SGiven, SLBDay, SLCTRY,
SLEMail, SLFN, SLFamily, SLGiven,
SLLocality, SLMiddle, SLNickname,
SLOrgName, SLOrgUnit, SLocality,
SMiddle, SNickname, SOrgName,
SOrgUnit, SVCARD, Username)
end.
-define(TLFIELD(Type, Label, Var),
{xmlelement, "field", [{"type", Type},
{"label", translate:translate(Lang, Label)},
{"var", Var}], []}).
-define(FORM(JID),
[{xmlelement, "instructions", [],
[{xmlcdata, translate:translate(Lang, "You need an x:data capable client to search")}]},
{xmlelement, "x", [{"xmlns", ?NS_XDATA}, {"type", "form"}],
[{xmlelement, "title", [],
[{xmlcdata, translate:translate(Lang, "Search users in ") ++
jlib:jid_to_string(JID)}]},
{xmlelement, "instructions", [],
[{xmlcdata, translate:translate(Lang, "Fill in the form to search "
"for any matching Jabber User "
"(Add * to the end of field to "
"match substring)")}]},
?TLFIELD("text-single", "User", "user"),
?TLFIELD("text-single", "Full Name", "fn"),
?TLFIELD("text-single", "Name", "first"),
?TLFIELD("text-single", "Middle Name", "middle"),
?TLFIELD("text-single", "Family Name", "last"),
?TLFIELD("text-single", "Nickname", "nick"),
?TLFIELD("text-single", "Birthday", "bday"),
?TLFIELD("text-single", "Country", "ctry"),
?TLFIELD("text-single", "City", "locality"),
?TLFIELD("text-single", "Email", "email"),
?TLFIELD("text-single", "Organization Name", "orgname"),
?TLFIELD("text-single", "Organization Unit", "orgunit")
]}]).
do_route(ServerHost, From, To, Packet) ->
#jid{user = User, resource = Resource} = To,
if
(User /= "") or (Resource /= "") ->
Err = jlib:make_error_reply(Packet, ?ERR_SERVICE_UNAVAILABLE),
ejabberd_router:route(To, From, Err);
true ->
IQ = jlib:iq_query_info(Packet),
case IQ of
#iq{type = Type, xmlns = ?NS_SEARCH, lang = Lang, sub_el = SubEl} ->
case Type of
set ->
XDataEl = find_xdata_el(SubEl),
case XDataEl of
false ->
Err = jlib:make_error_reply(
Packet, ?ERR_BAD_REQUEST),
ejabberd_router:route(To, From, Err);
_ ->
XData = jlib:parse_xdata_submit(XDataEl),
case XData of
invalid ->
Err = jlib:make_error_reply(
Packet,
?ERR_BAD_REQUEST),
ejabberd_router:route(To, From,
Err);
_ ->
ResIQ =
IQ#iq{
type = result,
sub_el =
[{xmlelement,
"query",
[{"xmlns", ?NS_SEARCH}],
[{xmlelement, "x",
[{"xmlns", ?NS_XDATA},
{"type", "result"}],
search_result(Lang, To, ServerHost, XData)
}]}]},
ejabberd_router:route(
To, From, jlib:iq_to_xml(ResIQ))
end
end;
get ->
ResIQ = IQ#iq{type = result,
sub_el = [{xmlelement,
"query",
[{"xmlns", ?NS_SEARCH}],
?FORM(To)
}]},
ejabberd_router:route(To,
From,
jlib:iq_to_xml(ResIQ))
end;
#iq{type = Type, xmlns = ?NS_DISCO_INFO, lang = Lang} ->
case Type of
set ->
Err = jlib:make_error_reply(
Packet, ?ERR_NOT_ALLOWED),
ejabberd_router:route(To, From, Err);
get ->
Info = ejabberd_hooks:run_fold(
disco_info, ServerHost, [],
[ServerHost, ?MODULE, "", ""]),
ResIQ =
IQ#iq{type = result,
sub_el = [{xmlelement,
"query",
[{"xmlns", ?NS_DISCO_INFO}],
[{xmlelement, "identity",
[{"category", "directory"},
{"type", "user"},
{"name",
translate:translate(Lang, "vCard User Search")}],
[]},
{xmlelement, "feature",
[{"var", ?NS_SEARCH}], []},
{xmlelement, "feature",
[{"var", ?NS_VCARD}], []}
] ++ Info
}]},
ejabberd_router:route(To,
From,
jlib:iq_to_xml(ResIQ))
end;
#iq{type = Type, xmlns = ?NS_DISCO_ITEMS} ->
case Type of
set ->
Err = jlib:make_error_reply(
Packet, ?ERR_NOT_ALLOWED),
ejabberd_router:route(To, From, Err);
get ->
ResIQ =
IQ#iq{type = result,
sub_el = [{xmlelement,
"query",
[{"xmlns", ?NS_DISCO_ITEMS}],
[]}]},
ejabberd_router:route(To,
From,
jlib:iq_to_xml(ResIQ))
end;
#iq{type = get, xmlns = ?NS_VCARD, lang = Lang} ->
ResIQ =
IQ#iq{type = result,
sub_el = [{xmlelement,
"vCard",
[{"xmlns", ?NS_VCARD}],
iq_get_vcard(Lang)}]},
ejabberd_router:route(To,
From,
jlib:iq_to_xml(ResIQ));
_ ->
Err = jlib:make_error_reply(Packet,
?ERR_SERVICE_UNAVAILABLE),
ejabberd_router:route(To, From, Err)
end
end.
iq_get_vcard(Lang) ->
[{xmlelement, "FN", [],
[{xmlcdata, "ejabberd/mod_vcard"}]},
{xmlelement, "URL", [],
[{xmlcdata, ?EJABBERD_URI}]},
{xmlelement, "DESC", [],
[{xmlcdata, translate:translate(
Lang,
"ejabberd vCard module") ++
"\nCopyright (c) 2003-2009 ProcessOne"}]}].
find_xdata_el({xmlelement, _Name, _Attrs, SubEls}) ->
find_xdata_el1(SubEls).
find_xdata_el1([]) ->
false;
find_xdata_el1([{xmlelement, Name, Attrs, SubEls} | Els]) ->
case xml:get_attr_s("xmlns", Attrs) of
?NS_XDATA ->
{xmlelement, Name, Attrs, SubEls};
_ ->
find_xdata_el1(Els)
end;
find_xdata_el1([_ | Els]) ->
find_xdata_el1(Els).
-define(LFIELD(Label, Var),
{xmlelement, "field", [{"label", translate:translate(Lang, Label)},
{"var", Var}], []}).
search_result(Lang, JID, ServerHost, Data) ->
[{xmlelement, "title", [],
[{xmlcdata, translate:translate(Lang, "Search Results for ") ++
jlib:jid_to_string(JID)}]},
{xmlelement, "reported", [],
[?TLFIELD("text-single", "Jabber ID", "jid"),
?TLFIELD("text-single", "Full Name", "fn"),
?TLFIELD("text-single", "Name", "first"),
?TLFIELD("text-single", "Middle Name", "middle"),
?TLFIELD("text-single", "Family Name", "last"),
?TLFIELD("text-single", "Nickname", "nick"),
?TLFIELD("text-single", "Birthday", "bday"),
?TLFIELD("text-single", "Country", "ctry"),
?TLFIELD("text-single", "City", "locality"),
?TLFIELD("text-single", "Email", "email"),
?TLFIELD("text-single", "Organization Name", "orgname"),
?TLFIELD("text-single", "Organization Unit", "orgunit")
]}] ++ lists:map(fun(R) -> record_to_item(ServerHost, R) end,
search(ServerHost, Data)).
-define(FIELD(Var, Val),
{xmlelement, "field", [{"var", Var}],
[{xmlelement, "value", [],
[{xmlcdata, Val}]}]}).
record_to_item(LServer, {Username, FN, Family, Given, Middle,
Nickname, BDay, CTRY, Locality,
EMail, OrgName, OrgUnit}) ->
{xmlelement, "item", [],
[
?FIELD("jid", Username ++ "@" ++ LServer),
?FIELD("fn", FN),
?FIELD("last", Family),
?FIELD("first", Given),
?FIELD("middle", Middle),
?FIELD("nick", Nickname),
?FIELD("bday", BDay),
?FIELD("ctry", CTRY),
?FIELD("locality", Locality),
?FIELD("email", EMail),
?FIELD("orgname", OrgName),
?FIELD("orgunit", OrgUnit)
]
}.
search(LServer, Data) ->
MatchSpec = make_matchspec(LServer, Data),
AllowReturnAll = gen_mod:get_module_opt(LServer, ?MODULE,
allow_return_all, false),
if
(MatchSpec == "") and (not AllowReturnAll) ->
[];
true ->
Limit = case gen_mod:get_module_opt(LServer, ?MODULE,
matches, ?JUD_MATCHES) of
infinity ->
"";
Val when is_integer(Val) and (Val > 0) ->
[" LIMIT ", integer_to_list(Val)];
Val ->
?ERROR_MSG("Illegal option value ~p. "
"Default value ~p substituted.",
[{matches, Val}, ?JUD_MATCHES]),
[" LIMIT ", integer_to_list(?JUD_MATCHES)]
end,
case catch ejabberd_odbc:sql_query(
LServer,
["select username, fn, family, given, middle, "
" nickname, bday, ctry, locality, "
" email, orgname, orgunit from vcard_search ",
MatchSpec, Limit, ";"]) of
{selected, ["username", "fn", "family", "given", "middle",
"nickname", "bday", "ctry", "locality",
"email", "orgname", "orgunit"],
Rs} when is_list(Rs) ->
Rs;
Error ->
?ERROR_MSG("~p", [Error]),
[]
end
end.
make_matchspec(LServer, Data) ->
filter_fields(Data, "", LServer).
filter_fields([], Match, _LServer) ->
case Match of
"" ->
"";
_ ->
[" where ", Match]
end;
filter_fields([{SVar, [Val]} | Ds], Match, LServer)
when is_list(Val) and (Val /= "") ->
LVal = stringprep:tolower(Val),
NewMatch = case SVar of
"user" -> make_val(Match, "lusername", LVal);
"fn" -> make_val(Match, "lfn", LVal);
"last" -> make_val(Match, "lfamily", LVal);
"first" -> make_val(Match, "lgiven", LVal);
"middle" -> make_val(Match, "lmiddle", LVal);
"nick" -> make_val(Match, "lnickname", LVal);
"bday" -> make_val(Match, "lbday", LVal);
"ctry" -> make_val(Match, "lctry", LVal);
"locality" -> make_val(Match, "llocality", LVal);
"email" -> make_val(Match, "lemail", LVal);
"orgname" -> make_val(Match, "lorgname", LVal);
"orgunit" -> make_val(Match, "lorgunit", LVal);
_ -> Match
end,
filter_fields(Ds, NewMatch, LServer);
filter_fields([_ | Ds], Match, LServer) ->
filter_fields(Ds, Match, LServer).
make_val(Match, Field, Val) ->
Condition =
case lists:suffix("*", Val) of
true ->
Val1 = lists:sublist(Val, length(Val) - 1),
SVal = ejabberd_odbc:escape_like(Val1) ++ "%",
[Field, " LIKE '", SVal, "'"];
_ ->
SVal = ejabberd_odbc:escape(Val),
[Field, " = '", SVal, "'"]
end,
case Match of
"" ->
Condition;
_ ->
[Match, " and ", Condition]
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%set_vcard_t(R, _) ->
% US = R#vcard.us,
% User = US,
% VCARD = R#vcard.vcard,
%
% FN = xml:get_path_s(VCARD, [{elem, "FN"}, cdata]),
% Family = xml:get_path_s(VCARD, [{elem, "N"}, {elem, "FAMILY"}, cdata]),
% Given = xml:get_path_s(VCARD, [{elem, "N"}, {elem, "GIVEN"}, cdata]),
% Middle = xml:get_path_s(VCARD, [{elem, "N"}, {elem, "MIDDLE"}, cdata]),
% Nickname = xml:get_path_s(VCARD, [{elem, "NICKNAME"}, cdata]),
% BDay = xml:get_path_s(VCARD, [{elem, "BDAY"}, cdata]),
% CTRY = xml:get_path_s(VCARD, [{elem, "ADR"}, {elem, "CTRY"}, cdata]),
% Locality = xml:get_path_s(VCARD, [{elem, "ADR"}, {elem, "LOCALITY"},cdata]),
% EMail = xml:get_path_s(VCARD, [{elem, "EMAIL"}, cdata]),
% OrgName = xml:get_path_s(VCARD, [{elem, "ORG"}, {elem, "ORGNAME"}, cdata]),
% OrgUnit = xml:get_path_s(VCARD, [{elem, "ORG"}, {elem, "ORGUNIT"}, cdata]),
%
% {LUser, _LServer} = US,
% LFN = stringprep:tolower(FN),
% LFamily = stringprep:tolower(Family),
% LGiven = stringprep:tolower(Given),
% LMiddle = stringprep:tolower(Middle),
% LNickname = stringprep:tolower(Nickname),
% LBDay = stringprep:tolower(BDay),
% LCTRY = stringprep:tolower(CTRY),
% LLocality = stringprep:tolower(Locality),
% LEMail = stringprep:tolower(EMail),
% LOrgName = stringprep:tolower(OrgName),
% LOrgUnit = stringprep:tolower(OrgUnit),
%
% if
% (LUser == error) or
% (LFN == error) or
% (LFamily == error) or
% (LGiven == error) or
% (LMiddle == error) or
% (LNickname == error) or
% (LBDay == error) or
% (LCTRY == error) or
% (LLocality == error) or
% (LEMail == error) or
% (LOrgName == error) or
% (LOrgUnit == error) ->
% {error, badarg};
% true ->
% mnesia:write(
% #vcard_search{us = US,
% user = User, luser = LUser,
% fn = FN, lfn = LFN,
% family = Family, lfamily = LFamily,
% given = Given, lgiven = LGiven,
% middle = Middle, lmiddle = LMiddle,
% nickname = Nickname, lnickname = LNickname,
% bday = BDay, lbday = LBDay,
% ctry = CTRY, lctry = LCTRY,
% locality = Locality, llocality = LLocality,
% email = EMail, lemail = LEMail,
% orgname = OrgName, lorgname = LOrgName,
% orgunit = OrgUnit, lorgunit = LOrgUnit
% })
% end.
%
%
%reindex_vcards() ->
% F = fun() ->
% mnesia:foldl(fun set_vcard_t/2, [], vcard)
% end,
% mnesia:transaction(F).
remove_user(User, Server) ->
LUser = jlib:nodeprep(User),
LServer = jlib:nameprep(Server),
Username = ejabberd_odbc:escape(LUser),
ejabberd_odbc:sql_transaction(
LServer,
[["delete from vcard where username='", Username, "';"],
["delete from vcard_search where lusername='", Username, "';"]]).
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