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mirror of https://github.com/processone/ejabberd.git synced 2024-11-22 16:20:52 +01:00
xmpp.chapril.org-ejabberd/src/mod_vcard_ldap.erl

757 lines
24 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : mod_vcard_ldap.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Support for VCards from LDAP storage.
%%% 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_ldap).
-author('alexey@process-one.net').
-behaviour(gen_server).
-behaviour(gen_mod).
%% gen_server callbacks.
-export([init/1,
handle_info/2,
handle_call/3,
handle_cast/2,
terminate/2,
code_change/3
]).
-export([start/2,
start_link/2,
stop/1,
get_sm_features/5,
process_local_iq/3,
process_sm_iq/3,
remove_user/1,
route/4
]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("eldap/eldap.hrl").
-define(PROCNAME, ejabberd_mod_vcard_ldap).
-record(state, {serverhost,
myhost,
eldap_id,
search,
servers,
backups,
port,
encrypt,
dn,
base,
password,
uids,
vcard_map,
vcard_map_attrs,
user_filter,
search_filter,
search_fields,
search_reported,
search_reported_attrs,
matches
}).
-define(VCARD_MAP,
[{"NICKNAME", "%u", []},
{"FN", "%s", ["displayName"]},
{"FAMILY", "%s", ["sn"]},
{"GIVEN", "%s", ["givenName"]},
{"MIDDLE", "%s", ["initials"]},
{"ORGNAME", "%s", ["o"]},
{"ORGUNIT", "%s", ["ou"]},
{"CTRY", "%s", ["c"]},
{"LOCALITY", "%s", ["l"]},
{"STREET", "%s", ["street"]},
{"REGION", "%s", ["st"]},
{"PCODE", "%s", ["postalCode"]},
{"TITLE", "%s", ["title"]},
{"URL", "%s", ["labeleduri"]},
{"DESC", "%s", ["description"]},
{"TEL", "%s", ["telephoneNumber"]},
{"EMAIL", "%s", ["mail"]},
{"BDAY", "%s", ["birthDay"]},
{"ROLE", "%s", ["employeeType"]},
{"PHOTO", "%s", ["jpegPhoto"]}
]).
-define(SEARCH_FIELDS,
[{"User", "%u"},
{"Full Name", "displayName"},
{"Given Name", "givenName"},
{"Middle Name", "initials"},
{"Family Name", "sn"},
{"Nickname", "%u"},
{"Birthday", "birthDay"},
{"Country", "c"},
{"City", "l"},
{"Email", "mail"},
{"Organization Name", "o"},
{"Organization Unit", "ou"}
]).
-define(SEARCH_REPORTED,
[{"Full Name", "FN"},
{"Given Name", "FIRST"},
{"Middle Name", "MIDDLE"},
{"Family Name", "LAST"},
{"Nickname", "NICK"},
{"Birthday", "BDAY"},
{"Country", "CTRY"},
{"City", "LOCALITY"},
{"Email", "EMAIL"},
{"Organization Name", "ORGNAME"},
{"Organization Unit", "ORGUNIT"}
]).
%% Unused callbacks.
handle_cast(_Request, State) ->
{noreply, State}.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%% -----
start(Host, Opts) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
ChildSpec = {
Proc, {?MODULE, start_link, [Host, Opts]},
transient, 1000, worker, [?MODULE]
},
supervisor:start_child(ejabberd_sup, ChildSpec).
stop(Host) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
gen_server:call(Proc, stop),
supervisor:terminate_child(ejabberd_sup, Proc),
supervisor:delete_child(ejabberd_sup, Proc).
terminate(_Reason, State) ->
Host = State#state.serverhost,
HostB = list_to_binary(Host),
gen_iq_handler:remove_iq_handler(ejabberd_local, HostB, ?NS_VCARD),
gen_iq_handler:remove_iq_handler(ejabberd_sm, HostB, ?NS_VCARD),
ejabberd_hooks:delete(disco_sm_features, HostB, ?MODULE, get_sm_features, 50),
case State#state.search of
true ->
ejabberd_router:unregister_route(State#state.myhost);
_ ->
ok
end.
start_link(Host, Opts) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
gen_server:start_link({local, Proc}, ?MODULE, [Host, Opts], []).
init([Host, Opts]) ->
HostB = list_to_binary(Host),
State = parse_options(Host, Opts),
IQDisc = gen_mod:get_opt(iqdisc, Opts, parallel),
gen_iq_handler:add_iq_handler(ejabberd_local, HostB, ?NS_VCARD,
?MODULE, process_local_iq, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_sm, HostB, ?NS_VCARD,
?MODULE, process_sm_iq, IQDisc),
ejabberd_hooks:add(disco_sm_features,
list_to_binary(Host), ?MODULE, get_sm_features, 50),
eldap_pool:start_link(State#state.eldap_id,
State#state.servers,
State#state.backups,
State#state.port,
State#state.dn,
State#state.password,
State#state.encrypt),
case State#state.search of
true ->
ejabberd_router:register_route(State#state.myhost);
_ ->
ok
end,
{ok, State}.
handle_info({route, From, To, Packet}, State) ->
case catch do_route(State, From, To, Packet) of
Pid when is_pid(Pid) ->
ok;
_ ->
Err = exmpp_stanza:reply_with_error(Packet,
'internal-server-error'),
ejabberd_router:route(To, From, Err)
end,
{noreply, State};
handle_info(_Info, State) ->
{noreply, State}.
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_s | Features]};
empty ->
{result, [?NS_VCARD_s]}
end;
_ ->
Acc
end.
process_local_iq(_From, _To, #iq{type = get, lang = Lang} = IQ_Rec) ->
Result = #xmlel{ns = ?NS_VCARD, name = 'vCard', children = [
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'FN'},
"ejabberd"),
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'URL'},
?EJABBERD_URI),
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'DESC'},
translate:translate(Lang, "Erlang Jabber Server") ++
"\nCopyright (c) 2002-2009 ProcessOne"),
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'BDAY'},
"2002-11-16")
]},
exmpp_iq:result(IQ_Rec, Result);
process_local_iq(_From, _To, #iq{type = set} = IQ_Rec) ->
exmpp_iq:error(IQ_Rec, 'not-allowed').
process_sm_iq(_From, To, #iq{} = IQ_Rec) ->
LServer = exmpp_jid:ldomain_as_list(To),
case catch process_vcard_ldap(To, IQ_Rec, LServer) of
{'EXIT', _} ->
exmpp_iq:error(IQ_Rec, 'internal-server-error');
Other ->
Other
end.
process_vcard_ldap(To, IQ_Rec, Server) ->
{ok, State} = eldap_utils:get_state(Server, ?PROCNAME),
case IQ_Rec#iq.type of
set ->
exmpp_iq:error(IQ_Rec, 'not-allowed');
get ->
LUser = exmpp_jid:lnode_as_list(To),
LServer = State#state.serverhost,
case ejabberd_auth:is_user_exists(LUser, LServer) of
true ->
VCardMap = State#state.vcard_map,
case find_ldap_user(LUser, State) of
#eldap_entry{attributes = Attributes} ->
Vcard = ldap_attributes_to_vcard(Attributes, VCardMap, {LUser, LServer}),
exmpp_iq:result(IQ_Rec, Vcard);
_ ->
exmpp_iq:result(IQ_Rec)
end;
_ ->
exmpp_iq:result(IQ_Rec)
end
end.
handle_call(get_state, _From, State) ->
{reply, {ok, State}, State};
handle_call(stop, _From, State) ->
{stop, normal, ok, State};
handle_call(_Request, _From, State) ->
{reply, bad_request, State}.
find_ldap_user(User, State) ->
Base = State#state.base,
RFC2254_Filter = State#state.user_filter,
Eldap_ID = State#state.eldap_id,
VCardAttrs = State#state.vcard_map_attrs,
case eldap_filter:parse(RFC2254_Filter, [{"%u", User}]) of
{ok, EldapFilter} ->
case eldap_pool:search(Eldap_ID, [{base, Base},
{filter, EldapFilter},
{attributes, VCardAttrs}]) of
#eldap_search_result{entries = [E | _]} ->
E;
_ ->
false
end;
_ ->
false
end.
ldap_attributes_to_vcard(Attributes, VCardMap, UD) ->
Attrs = lists:map(
fun({VCardName, _, _}) ->
{exmpp_stringprep:to_lower(VCardName),
map_vcard_attr(VCardName, Attributes, VCardMap, UD)}
end, VCardMap),
Elts = [ldap_attribute_to_vcard(vCard, Attr) || Attr <- Attrs],
NElts = [ldap_attribute_to_vcard(vCardN, Attr) || Attr <- Attrs],
OElts = [ldap_attribute_to_vcard(vCardO, Attr) || Attr <- Attrs],
AElts = [ldap_attribute_to_vcard(vCardA, Attr) || Attr <- Attrs],
[#xmlel{ns = ?NS_VCARD, name = 'vCard', children =
lists:append([X || X <- Elts, X /= none],
[#xmlel{ns = ?NS_VCARD, name = 'N', children = [X || X <- NElts, X /= none]},
#xmlel{ns = ?NS_VCARD, name = 'ORG', children = [X || X <- OElts, X /= none]},
#xmlel{ns = ?NS_VCARD, name = 'ADR', children = [X || X <- AElts, X /= none]}])
}].
ldap_attribute_to_vcard(vCard, {"fn", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'FN'}, Value);
ldap_attribute_to_vcard(vCard, {"nickname", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'NICKNAME'}, Value);
ldap_attribute_to_vcard(vCard, {"title", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'TITLE'}, Value);
ldap_attribute_to_vcard(vCard, {"bday", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'BDAY'}, Value);
ldap_attribute_to_vcard(vCard, {"url", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'URL'}, Value);
ldap_attribute_to_vcard(vCard, {"desc", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'DESC'}, Value);
ldap_attribute_to_vcard(vCard, {"role", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'ROLE'}, Value);
ldap_attribute_to_vcard(vCard, {"tel", Value}) ->
#xmlel{ns = ?NS_VCARD, name = 'TEL', children = [
#xmlel{ns = ?NS_VCARD, name = 'VOICE'},
#xmlel{ns = ?NS_VCARD, name = 'WORK'},
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'NUMBER'}, Value)]};
ldap_attribute_to_vcard(vCard, {"email", Value}) ->
#xmlel{ns = ?NS_VCARD, name = 'EMAIL', children = [
#xmlel{ns = ?NS_VCARD, name = 'INTERNET'},
#xmlel{ns = ?NS_VCARD, name = 'PREF'},
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'USERID'}, Value)]};
ldap_attribute_to_vcard(vCard, {"photo", Value}) ->
#xmlel{ns = ?NS_VCARD, name = 'PHOTO', children = [
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'BINVAL'},
jlib:encode_base64(Value))]};
ldap_attribute_to_vcard(vCardN, {"family", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'FAMILY'}, Value);
ldap_attribute_to_vcard(vCardN, {"given", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'GIVEN'}, Value);
ldap_attribute_to_vcard(vCardN, {"middle", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'MIDDLE'}, Value);
ldap_attribute_to_vcard(vCardO, {"orgname", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'ORGNAME'}, Value);
ldap_attribute_to_vcard(vCardO, {"orgunit", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'ORGUNIT'}, Value);
ldap_attribute_to_vcard(vCardA, {"locality", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'LOCALITY'}, Value);
ldap_attribute_to_vcard(vCardA, {"street", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'STREET'}, Value);
ldap_attribute_to_vcard(vCardA, {"ctry", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'CTRY'}, Value);
ldap_attribute_to_vcard(vCardA, {"region", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'REGION'}, Value);
ldap_attribute_to_vcard(vCardA, {"pcode", Value}) ->
exmpp_xml:set_cdata(#xmlel{ns = ?NS_VCARD, name = 'PCODE'}, Value);
ldap_attribute_to_vcard(_, _) ->
none.
-define(TLFIELD(Type, Label, Var),
#xmlel{ns = ?NS_VCARD, name = 'field', attrs = [
?XMLATTR('type', Type),
?XMLATTR('label', translate:translate(Lang, Label)),
?XMLATTR('var', Var)]}).
-define(FORM(JID, SearchFields),
[#xmlel{ns = ?NS_SEARCH, name = 'instructions', children =
[#xmlcdata{cdata = list_to_binary(translate:translate(Lang, "You need an x:data capable client to search"))}]},
#xmlel{ns = ?NS_DATA_FORMS, name = 'x', attrs =
[?XMLATTR('type', <<"form">>)], children =
[#xmlel{ns = ?NS_DATA_FORMS, name = 'title', children =
[#xmlcdata{cdata = list_to_binary(translate:translate(Lang, "Search users in ") ++
exmpp_jid:jid_to_list(JID))}]},
#xmlel{ns = ?NS_SEARCH, name = 'instructions', children =
[#xmlcdata{cdata = list_to_binary(translate:translate(Lang, "Fill in fields to search "
"for any matching Jabber User"))}]}
] ++ lists:map(fun({X,Y}) -> ?TLFIELD(<<"text-single">>, X, list_to_binary(Y)) end, SearchFields)}]).
do_route(State, From, To, Packet) ->
spawn(?MODULE, route, [State, From, To, Packet]).
route(State, From, To, Packet) ->
User = exmpp_jid:node(To),
Resource = exmpp_jid:resource(To),
if
(User /= undefined) or (Resource /= undefined) ->
Err = exmpp_stanza:reply_with_error(Packet, 'service-unavailable'),
ejabberd_router:route(To, From, Err);
true ->
try
Request = exmpp_iq:get_request(Packet),
Type = exmpp_iq:get_type(Packet),
Lang = exmpp_stanza:get_lang(Packet),
case {Type, Request#xmlel.ns} of
{set, ?NS_SEARCH} ->
XDataEl = find_xdata_el(Request),
case XDataEl of
false ->
Err = exmpp_iq:error(Packet, 'bad-request'),
ejabberd_router:route(To, From, Err);
_ ->
XData = jlib:parse_xdata_submit(XDataEl),
case XData of
invalid ->
Err = exmpp_iq:error(Packet,
'bad-request'),
ejabberd_router:route(To, From,
Err);
_ ->
Result = #xmlel{
ns = ?NS_SEARCH,
name = 'query',
children = [
#xmlel{
ns = ?NS_DATA_FORMS,
name = 'x',
attrs = [?XMLATTR('type',
<<"result">>)],
children = search_result(Lang, To, State, XData)}]},
ResIQ = exmpp_iq:result(Packet,
Result),
ejabberd_router:route(
To, From, ResIQ)
end
end;
{get, ?NS_SEARCH} ->
SearchFields = State#state.search_fields,
Result = #xmlel{ns = ?NS_SEARCH, name = 'query',
children = ?FORM(To, SearchFields)},
ResIQ = exmpp_iq:result(Packet, Result),
ejabberd_router:route(To,
From,
ResIQ);
{set, ?NS_DISCO_INFO} ->
Err = exmpp_iq:error(Packet, 'not-allowed'),
ejabberd_router:route(To, From, Err);
{get, ?NS_DISCO_INFO} ->
Result = #xmlel{ns = ?NS_DISCO_INFO, name = 'query',
children = [
#xmlel{ns = ?NS_DISCO_INFO, name = 'identity',
attrs = [
?XMLATTR('category', <<"directory">>),
?XMLATTR('type', <<"user">>),
?XMLATTR('name', translate:translate(Lang,
"vCard User Search"))]},
#xmlel{ns = ?NS_DISCO_INFO, name = 'feature',
attrs = [
?XMLATTR('var', ?NS_SEARCH_s)]},
#xmlel{ns = ?NS_DISCO_INFO, name = 'feature',
attrs = [
?XMLATTR('var', ?NS_VCARD_s)]}
]},
ResIQ = exmpp_iq:result(Packet, Result),
ejabberd_router:route(To,
From,
ResIQ);
{set, ?NS_DISCO_ITEMS} ->
Err = exmpp_iq:error(Packet, 'not-allowed'),
ejabberd_router:route(To, From, Err);
{get, ?NS_DISCO_ITEMS} ->
Result = #xmlel{ns = ?NS_DISCO_ITEMS, name = 'query'},
ResIQ = exmpp_iq:result(Packet, Result),
ejabberd_router:route(To,
From,
ResIQ);
{get, ?NS_VCARD} ->
Result = #xmlel{ns = ?NS_VCARD, name = 'vCard',
children = iq_get_vcard(Lang)},
ResIQ = exmpp_iq:result(Packet, Result),
ejabberd_router:route(To,
From,
ResIQ);
_ ->
Err = exmpp_iq:error(Packet, 'service-unavailable'),
ejabberd_router:route(To, From, Err)
end
catch
_ ->
Err1 = exmpp_iq:error(Packet, 'service-unavailable'),
ejabberd_router:route(To, From, Err1)
end
end.
iq_get_vcard(Lang) ->
[
#xmlel{ns = ?NS_SEARCH, name = 'FN', children = [
#xmlcdata{cdata = <<"ejabberd/mod_vcard">>}]},
#xmlel{ns = ?NS_SEARCH, name = 'URL', children = [
#xmlcdata{cdata = list_to_binary(?EJABBERD_URI)}]},
#xmlel{ns = ?NS_SEARCH, name ='DESC', children = [
#xmlcdata{cdata = list_to_binary(
translate:translate(Lang, "ejabberd vCard module") ++
"\nCopyright (c) 2003-2009 ProcessOne")}]}
].
search_result(Lang, JID, State, Data) ->
SearchReported = State#state.search_reported,
Header = [#xmlel{ns = ?NS_DATA_FORMS, name = 'title', children =
[#xmlcdata{cdata = list_to_binary(translate:translate(Lang, "Search Results for ") ++
exmpp_jid:jid_to_list(JID))}]},
#xmlel{ns = ?NS_DATA_FORMS, name = 'reported', children =
[?TLFIELD(<<"text-single">>, "Jabber ID", <<"jid">>)] ++
lists:map(
fun({Name, Value}) -> ?TLFIELD(<<"text-single">>, Name, list_to_binary(Value)) end,
SearchReported)
}],
case search(State, Data) of
error ->
Header;
Result ->
Header ++ Result
end.
-define(FIELD(Var, Val),
#xmlel{ns = ?NS_DATA_FORMS, name = 'field', attrs =
[?XMLATTR('var', Var)], children =
[#xmlel{ns = ?NS_DATA_FORMS, name = 'value', children =
[#xmlcdata{cdata = Val}]}]}).
search(State, Data) ->
Base = State#state.base,
SearchFilter = State#state.search_filter,
Eldap_ID = State#state.eldap_id,
UIDs = State#state.uids,
Limit = State#state.matches,
ReportedAttrs = State#state.search_reported_attrs,
Filter = eldap:'and'([SearchFilter, eldap_utils:make_filter(Data, UIDs)]),
case eldap_pool:search(Eldap_ID, [{base, Base},
{filter, Filter},
{limit, Limit},
{attributes, ReportedAttrs}]) of
#eldap_search_result{entries = E} ->
search_items(E, State);
_ ->
error
end.
search_items(Entries, State) ->
LServer = State#state.serverhost,
SearchReported = State#state.search_reported,
VCardMap = State#state.vcard_map,
UIDs = State#state.uids,
Attributes = lists:map(
fun(E) ->
#eldap_entry{attributes = Attrs} = E,
Attrs
end, Entries),
lists:flatmap(
fun(Attrs) ->
case eldap_utils:find_ldap_attrs(UIDs, Attrs) of
{U, UIDAttrFormat} ->
case eldap_utils:get_user_part(U, UIDAttrFormat) of
{ok, Username} ->
case ejabberd_auth:is_user_exists(Username, LServer) of
true ->
RFields = lists:map(
fun({_, VCardName}) ->
{VCardName,
map_vcard_attr(
VCardName,
Attrs,
VCardMap,
{Username, ?MYNAME})}
end, SearchReported),
Result = [?FIELD(<<"jid">>, list_to_binary(Username ++ "@" ++ LServer))] ++
[?FIELD(list_to_binary(Name), list_to_binary(Value)) || {Name, Value} <- RFields],
[#xmlel{ns = ?NS_DATA_FORMS, name = 'item', children = Result}];
_ ->
[]
end;
_ ->
[]
end;
"" ->
[]
end
end, Attributes).
remove_user(_User) ->
true.
%%%-----------------------
%%% Auxiliary functions.
%%%-----------------------
map_vcard_attr(VCardName, Attributes, Pattern, UD) ->
Res = lists:filter(
fun({Name, _, _}) ->
eldap_utils:case_insensitive_match(Name, VCardName)
end, Pattern),
case Res of
[{_, Str, Attrs}] ->
process_pattern(Str, UD,
[eldap_utils:get_ldap_attr(X, Attributes) || X<-Attrs]);
_ -> ""
end.
process_pattern(Str, {User, Domain}, AttrValues) ->
eldap_filter:do_sub(Str,
[{"%s", V, 1} || V <- AttrValues] ++ [{"%u", User},{"%d", Domain}]).
find_xdata_el({xmlelement, _Name, _Attrs, SubEls}) ->
find_xdata_el1(SubEls).
find_xdata_el1([]) ->
false;
find_xdata_el1([#xmlel{ns = ?NS_DATA_FORMS} = El | _Els]) ->
El;
find_xdata_el1([_ | Els]) ->
find_xdata_el1(Els).
parse_options(Host, Opts) ->
MyHost = gen_mod:get_opt_host(Host, Opts, "vjud.@HOST@"),
Search = gen_mod:get_opt(search, Opts, true),
Matches = case gen_mod:get_opt(matches, Opts, 30) of
infinity -> 0;
N -> N
end,
Eldap_ID = atom_to_list(gen_mod:get_module_proc(Host, ?PROCNAME)),
LDAPServers = case gen_mod:get_opt(ldap_servers, Opts, undefined) of
undefined ->
ejabberd_config:get_local_option({ldap_servers, Host});
S -> S
end,
LDAPBackups = case gen_mod:get_opt(ldap_backups, Opts, undefined) of
undefined ->
ejabberd_config:get_local_option({ldap_servers, Host});
Backups -> Backups
end,
LDAPEncrypt = case gen_mod:get_opt(ldap_encrypt, Opts, undefined) of
undefined ->
ejabberd_config:get_local_option({ldap_encrypt, Host});
E -> E
end,
LDAPPortTemp = case gen_mod:get_opt(ldap_port, Opts, undefined) of
undefined ->
ejabberd_config:get_local_option({ldap_port, Host});
PT -> PT
end,
LDAPPort = case LDAPPortTemp of
undefined ->
case LDAPEncrypt of
tls -> ?LDAPS_PORT;
starttls -> ?LDAP_PORT;
_ -> ?LDAP_PORT
end;
P -> P
end,
LDAPBase = case gen_mod:get_opt(ldap_base, Opts, undefined) of
undefined ->
ejabberd_config:get_local_option({ldap_base, Host});
B -> B
end,
UIDs = case gen_mod:get_opt(ldap_uids, Opts, undefined) of
undefined ->
case ejabberd_config:get_local_option({ldap_uids, Host}) of
undefined -> [{"uid", "%u"}];
UI -> eldap_utils:uids_domain_subst(Host, UI)
end;
UI -> eldap_utils:uids_domain_subst(Host, UI)
end,
RootDN = case gen_mod:get_opt(ldap_rootdn, Opts, undefined) of
undefined ->
case ejabberd_config:get_local_option({ldap_rootdn, Host}) of
undefined -> "";
RDN -> RDN
end;
RDN -> RDN
end,
Password = case gen_mod:get_opt(ldap_password, Opts, undefined) of
undefined ->
case ejabberd_config:get_local_option({ldap_password, Host}) of
undefined -> "";
Pass -> Pass
end;
Pass -> Pass
end,
SubFilter = lists:flatten(eldap_utils:generate_subfilter(UIDs)),
UserFilter = case gen_mod:get_opt(ldap_filter, Opts, undefined) of
undefined ->
case ejabberd_config:get_local_option({ldap_filter, Host}) of
undefined -> SubFilter;
"" -> SubFilter;
F -> "(&" ++ SubFilter ++ F ++ ")"
end;
"" -> SubFilter;
F -> "(&" ++ SubFilter ++ F ++ ")"
end,
{ok, SearchFilter} = eldap_filter:parse(
eldap_filter:do_sub(UserFilter, [{"%u","*"}])),
VCardMap = gen_mod:get_opt(ldap_vcard_map, Opts, ?VCARD_MAP),
SearchFields = gen_mod:get_opt(ldap_search_fields, Opts, ?SEARCH_FIELDS),
SearchReported = gen_mod:get_opt(ldap_search_reported, Opts, ?SEARCH_REPORTED),
%% In search requests we need to fetch only attributes defined
%% in vcard-map and search-reported. In some cases,
%% this will essentially reduce network traffic from an LDAP server.
UIDAttrs = [UAttr || {UAttr, _} <- UIDs],
VCardMapAttrs = lists:usort(
lists:append([A || {_, _, A} <- VCardMap]) ++ UIDAttrs),
SearchReportedAttrs =
lists:usort(lists:flatmap(
fun({_, N}) ->
case lists:keysearch(N, 1, VCardMap) of
{value, {_, _, L}} -> L;
_ -> []
end
end, SearchReported) ++ UIDAttrs),
#state{serverhost = Host,
myhost = MyHost,
eldap_id = Eldap_ID,
search = Search,
servers = LDAPServers,
backups = LDAPBackups,
port = LDAPPort,
encrypt = LDAPEncrypt,
dn = RootDN,
base = LDAPBase,
password = Password,
uids = UIDs,
vcard_map = VCardMap,
vcard_map_attrs = VCardMapAttrs,
user_filter = UserFilter,
search_filter = SearchFilter,
search_fields = SearchFields,
search_reported = SearchReported,
search_reported_attrs = SearchReportedAttrs,
matches = Matches
}.