Chapril/xmpp.chapril.org-ejabberd
24
1
Fork 0
mirror of https://github.com/processone/ejabberd.git synced 2024-06-20 22:22:09 +02:00
Code Releases Activity
9d9037856c
xmpp.chapril.org-ejabberd/src/mod_vcard_ldap.erl
Evgeniy Khramtsov 7bcbea2108 Deprecate jlib.erl in favor of aux.erl 
Since the main goal of jlib.erl is lost, all auxiliary functions
are now moved to aux.erl, and the whole jlib.erl is now deprecated.
2017-03-30 14:17:13 +03:00

543 lines
18 KiB
Erlang
Raw Blame History

%%%-------------------------------------------------------------------
%%% File : mod_vcard_ldap.erl
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 29 Jul 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2017 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.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_vcard_ldap).
-behaviour(ejabberd_config).
-behaviour(gen_server).
-behaviour(mod_vcard).
%% API
-export([start_link/2]).
-export([init/2, stop/1, get_vcard/2, set_vcard/4, search/4,
remove_user/2, import/3, search_fields/1, search_reported/1,
mod_opt_type/1, opt_type/1]).
-export([is_search_supported/1]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include("eldap.hrl").
-include("xmpp.hrl").
-define(PROCNAME, ejabberd_mod_vcard_ldap).
-record(state,
{serverhost = <<"">> :: binary(),
myhost = <<"">> :: binary(),
eldap_id = <<"">> :: binary(),
search = false :: boolean(),
servers = [] :: [binary()],
backups = [] :: [binary()],
port = ?LDAP_PORT :: inet:port_number(),
tls_options = [] :: list(),
dn = <<"">> :: binary(),
base = <<"">> :: binary(),
password = <<"">> :: binary(),
uids = [] :: [{binary()} | {binary(), binary()}],
vcard_map = [] :: [{binary(), binary(), [binary()]}],
vcard_map_attrs = [] :: [binary()],
user_filter = <<"">> :: binary(),
search_filter :: eldap:filter(),
search_fields = [] :: [{binary(), binary()}],
search_reported = [] :: [{binary(), binary()}],
search_reported_attrs = [] :: [binary()],
deref_aliases = never :: never | searching | finding | always,
matches = 0 :: non_neg_integer()}).
%%%===================================================================
%%% API
%%%===================================================================
start_link(Host, Opts) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
gen_server:start_link({local, Proc}, ?MODULE, [Host, Opts], []).
init(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_backend_sup, ChildSpec).
stop(Host) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
supervisor:terminate_child(ejabberd_backend_sup, Proc),
supervisor:delete_child(ejabberd_backend_sup, Proc),
ok.
is_search_supported(_LServer) ->
true.
get_vcard(LUser, LServer) ->
{ok, State} = eldap_utils:get_state(LServer, ?PROCNAME),
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}),
[xmpp:encode(VCard)];
_ ->
[]
end.
set_vcard(_LUser, _LServer, _VCard, _VCardSearch) ->
{atomic, not_implemented}.
search_fields(LServer) ->
{ok, State} = eldap_utils:get_state(LServer, ?PROCNAME),
State#state.search_fields.
search_reported(LServer) ->
{ok, State} = eldap_utils:get_state(LServer, ?PROCNAME),
State#state.search_reported.
search(LServer, Data, _AllowReturnAll, MaxMatch) ->
{ok, State} = eldap_utils:get_state(LServer, ?PROCNAME),
Base = State#state.base,
SearchFilter = State#state.search_filter,
Eldap_ID = State#state.eldap_id,
UIDs = State#state.uids,
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, MaxMatch},
{deref_aliases, State#state.deref_aliases},
{attributes, ReportedAttrs}])
of
#eldap_search_result{entries = E} ->
search_items(E, State);
_ ->
[]
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),
J = <<Username/binary, $@, LServer/binary>>,
[{<<"jid">>, J} | RFields];
_ ->
[]
end;
_ ->
[]
end;
<<"">> ->
[]
end
end, Attributes).
remove_user(_User, _Server) ->
{atomic, not_implemented}.
import(_, _, _) ->
ok.
%%%===================================================================
%%% gen_server callbacks
%%%===================================================================
init([Host, Opts]) ->
process_flag(trap_exit, true),
State = parse_options(Host, Opts),
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.tls_options),
{ok, State}.
handle_call(get_state, _From, State) ->
{reply, {ok, State}, State};
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info(_Info, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
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},
{deref_aliases, State#state.deref_aliases},
{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, _, _}) ->
{stringprep:tolower(VCardName),
map_vcard_attr(VCardName, Attributes, VCardMap,
UD)}
end,
VCardMap),
lists:foldl(fun ldap_attribute_to_vcard/2, #vcard_temp{}, Attrs).
-spec ldap_attribute_to_vcard({binary(), binary()}, vcard_temp()) -> vcard_temp().
ldap_attribute_to_vcard({Attr, Value}, V) ->
Ts = V#vcard_temp.tel,
Es = V#vcard_temp.email,
N = case V#vcard_temp.n of
undefined -> #vcard_name{};
_ -> V#vcard_temp.n
end,
O = case V#vcard_temp.org of
undefined -> #vcard_org{};
_ -> V#vcard_temp.org
end,
A = case V#vcard_temp.adr of
[] -> #vcard_adr{};
As -> hd(As)
end,
case Attr of
<<"fn">> -> V#vcard_temp{fn = Value};
<<"nickname">> -> V#vcard_temp{nickname = Value};
<<"title">> -> V#vcard_temp{title = Value};
<<"bday">> -> V#vcard_temp{bday = Value};
<<"url">> -> V#vcard_temp{url = Value};
<<"desc">> -> V#vcard_temp{desc = Value};
<<"role">> -> V#vcard_temp{role = Value};
<<"tel">> -> V#vcard_temp{tel = [#vcard_tel{number = Value}|Ts]};
<<"email">> -> V#vcard_temp{email = [#vcard_email{userid = Value}|Es]};
<<"photo">> -> V#vcard_temp{photo = #vcard_photo{binval = Value}};
<<"family">> -> V#vcard_temp{n = N#vcard_name{family = Value}};
<<"given">> -> V#vcard_temp{n = N#vcard_name{given = Value}};
<<"middle">> -> V#vcard_temp{n = N#vcard_name{middle = Value}};
<<"orgname">> -> V#vcard_temp{org = O#vcard_org{name = Value}};
<<"orgunit">> -> V#vcard_temp{org = O#vcard_org{units = [Value]}};
<<"locality">> -> V#vcard_temp{adr = [A#vcard_adr{locality = Value}]};
<<"street">> -> V#vcard_temp{adr = [A#vcard_adr{street = Value}]};
<<"ctry">> -> V#vcard_temp{adr = [A#vcard_adr{ctry = Value}]};
<<"region">> -> V#vcard_temp{adr = [A#vcard_adr{region = Value}]};
<<"pcode">> -> V#vcard_temp{adr = [A#vcard_adr{pcode = Value}]};
_ -> V
end.
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,
[{<<"%u">>, User}, {<<"%d">>, Domain}] ++
[{<<"%s">>, V, 1} || V <- AttrValues]).
default_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">>]}].
default_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">>}].
default_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">>}].
parse_options(Host, Opts) ->
MyHost = gen_mod:get_opt_host(Host, Opts,
<<"vjud.@HOST@">>),
Search = gen_mod:get_opt(search, Opts,
fun(B) when is_boolean(B) -> B end,
false),
Matches = gen_mod:get_opt(matches, Opts,
fun(infinity) -> 0;
(I) when is_integer(I), I>0 -> I
end, 30),
Eldap_ID = aux:atom_to_binary(gen_mod:get_module_proc(Host, ?PROCNAME)),
Cfg = eldap_utils:get_config(Host, Opts),
UIDsTemp = gen_mod:get_opt(
{ldap_uids, Host}, Opts,
fun(Us) ->
lists:map(
fun({U, P}) ->
{iolist_to_binary(U),
iolist_to_binary(P)};
({U}) ->
{iolist_to_binary(U)}
end, Us)
end, [{<<"uid">>, <<"%u">>}]),
UIDs = eldap_utils:uids_domain_subst(Host, UIDsTemp),
SubFilter = eldap_utils:generate_subfilter(UIDs),
UserFilter = case gen_mod:get_opt(
{ldap_filter, Host}, Opts,
fun check_filter/1, <<"">>) of
<<"">> ->
SubFilter;
F ->
<<"(&", SubFilter/binary, F/binary, ")">>
end,
{ok, SearchFilter} =
eldap_filter:parse(eldap_filter:do_sub(UserFilter,
[{<<"%u">>, <<"*">>}])),
VCardMap = gen_mod:get_opt(ldap_vcard_map, Opts,
fun(Ls) ->
lists:map(
fun({S, [{P, L}]}) ->
{iolist_to_binary(S),
iolist_to_binary(P),
[iolist_to_binary(E)
|| E <- L]}
end, Ls)
end, default_vcard_map()),
SearchFields = gen_mod:get_opt(ldap_search_fields, Opts,
fun(Ls) ->
[{iolist_to_binary(S),
iolist_to_binary(P)}
|| {S, P} <- Ls]
end, default_search_fields()),
SearchReported = gen_mod:get_opt(ldap_search_reported, Opts,
fun(Ls) ->
[{iolist_to_binary(S),
iolist_to_binary(P)}
|| {S, P} <- Ls]
end, default_search_reported()),
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 = Cfg#eldap_config.servers,
backups = Cfg#eldap_config.backups,
port = Cfg#eldap_config.port,
tls_options = Cfg#eldap_config.tls_options,
dn = Cfg#eldap_config.dn,
password = Cfg#eldap_config.password,
base = Cfg#eldap_config.base,
deref_aliases = Cfg#eldap_config.deref_aliases,
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}.
check_filter(F) ->
NewF = iolist_to_binary(F),
{ok, _} = eldap_filter:parse(NewF),
NewF.
mod_opt_type(ldap_filter) -> fun check_filter/1;
mod_opt_type(ldap_search_fields) ->
fun (Ls) ->
[{iolist_to_binary(S), iolist_to_binary(P)}
|| {S, P} <- Ls]
end;
mod_opt_type(ldap_search_reported) ->
fun (Ls) ->
[{iolist_to_binary(S), iolist_to_binary(P)}
|| {S, P} <- Ls]
end;
mod_opt_type(ldap_uids) ->
fun (Us) ->
lists:map(fun ({U, P}) ->
{iolist_to_binary(U), iolist_to_binary(P)};
({U}) -> {iolist_to_binary(U)}
end,
Us)
end;
mod_opt_type(ldap_vcard_map) ->
fun (Ls) ->
lists:map(fun ({S, [{P, L}]}) ->
{iolist_to_binary(S), iolist_to_binary(P),
[iolist_to_binary(E) || E <- L]}
end,
Ls)
end;
mod_opt_type(deref_aliases) ->
fun (never) -> never;
(searching) -> searching;
(finding) -> finding;
(always) -> always
end;
mod_opt_type(ldap_backups) ->
fun (L) -> [iolist_to_binary(H) || H <- L] end;
mod_opt_type(ldap_base) -> fun iolist_to_binary/1;
mod_opt_type(ldap_deref_aliases) ->
fun (never) -> never;
(searching) -> searching;
(finding) -> finding;
(always) -> always
end;
mod_opt_type(ldap_encrypt) ->
fun (tls) -> tls;
(starttls) -> starttls;
(none) -> none
end;
mod_opt_type(ldap_password) -> fun iolist_to_binary/1;
mod_opt_type(ldap_port) ->
fun (I) when is_integer(I), I > 0 -> I end;
mod_opt_type(ldap_rootdn) -> fun iolist_to_binary/1;
mod_opt_type(ldap_servers) ->
fun (L) -> [iolist_to_binary(H) || H <- L] end;
mod_opt_type(ldap_tls_cacertfile) ->
fun iolist_to_binary/1;
mod_opt_type(ldap_tls_certfile) ->
fun iolist_to_binary/1;
mod_opt_type(ldap_tls_depth) ->
fun (I) when is_integer(I), I >= 0 -> I end;
mod_opt_type(ldap_tls_verify) ->
fun (hard) -> hard;
(soft) -> soft;
(false) -> false
end;
mod_opt_type(_) ->
[ldap_filter, ldap_search_fields,
ldap_search_reported, ldap_uids, ldap_vcard_map,
deref_aliases, ldap_backups, ldap_base,
ldap_deref_aliases, ldap_encrypt, ldap_password,
ldap_port, ldap_rootdn, ldap_servers,
ldap_tls_cacertfile, ldap_tls_certfile, ldap_tls_depth,
ldap_tls_verify].
opt_type(ldap_filter) -> fun check_filter/1;
opt_type(ldap_uids) ->
fun (Us) ->
lists:map(fun ({U, P}) ->
{iolist_to_binary(U), iolist_to_binary(P)};
({U}) -> {iolist_to_binary(U)}
end,
Us)
end;
opt_type(_) ->
[ldap_filter, ldap_uids, deref_aliases, ldap_backups, ldap_base,
ldap_deref_aliases, ldap_encrypt, ldap_password,
ldap_port, ldap_rootdn, ldap_servers,
ldap_tls_cacertfile, ldap_tls_certfile, ldap_tls_depth,
ldap_tls_verify].
View Git Blame Copy Permalink