%%%---------------------------------------------------------------------- %%% File : mod_shared_roster.erl %%% Author : Alexey Shchepin %%% Purpose : Shared roster management %%% Created : 5 Mar 2005 by Alexey Shchepin %%% %%% %%% 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_shared_roster). -author('alexey@process-one.net'). -behaviour(gen_mod). -export([start/2, stop/1, export/1, import_info/0, webadmin_menu/3, webadmin_page/3, get_user_roster/2, c2s_session_opened/1, get_jid_info/4, import/5, process_item/2, import_start/2, in_subscription/6, out_subscription/4, c2s_self_presence/1, unset_presence/4, register_user/2, remove_user/2, list_groups/1, create_group/2, create_group/3, delete_group/2, get_group_opts/2, set_group_opts/3, get_group_users/2, get_group_explicit_users/2, is_user_in_group/3, add_user_to_group/3, opts_to_binary/1, remove_user_from_group/3, mod_opt_type/1, depends/2]). -include("ejabberd.hrl"). -include("logger.hrl"). -include("xmpp.hrl"). -include("mod_roster.hrl"). -include("ejabberd_http.hrl"). -include("ejabberd_web_admin.hrl"). -include("mod_shared_roster.hrl"). -define(SETS, gb_sets). -type group_options() :: [{atom(), any()}]. -callback init(binary(), gen_mod:opts()) -> any(). -callback import(binary(), binary(), [binary()]) -> ok. -callback list_groups(binary()) -> [binary()]. -callback groups_with_opts(binary()) -> [{binary(), group_options()}]. -callback create_group(binary(), binary(), group_options()) -> {atomic, any()}. -callback delete_group(binary(), binary()) -> {atomic, any()}. -callback get_group_opts(binary(), binary()) -> group_options() | error. -callback set_group_opts(binary(), binary(), group_options()) -> {atomic, any()}. -callback get_user_groups({binary(), binary()}, binary()) -> [binary()]. -callback get_group_explicit_users(binary(), binary()) -> [{binary(), binary()}]. -callback get_user_displayed_groups(binary(), binary(), group_options()) -> [{binary(), group_options()}]. -callback is_user_in_group({binary(), binary()}, binary(), binary()) -> boolean(). -callback add_user_to_group(binary(), {binary(), binary()}, binary()) -> any(). -callback remove_user_from_group(binary(), {binary(), binary()}, binary()) -> {atomic, any()}. start(Host, Opts) -> Mod = gen_mod:db_mod(Host, Opts, ?MODULE), Mod:init(Host, Opts), ejabberd_hooks:add(webadmin_menu_host, Host, ?MODULE, webadmin_menu, 70), ejabberd_hooks:add(webadmin_page_host, Host, ?MODULE, webadmin_page, 50), ejabberd_hooks:add(roster_get, Host, ?MODULE, get_user_roster, 70), ejabberd_hooks:add(roster_in_subscription, Host, ?MODULE, in_subscription, 30), ejabberd_hooks:add(roster_out_subscription, Host, ?MODULE, out_subscription, 30), ejabberd_hooks:add(c2s_session_opened, Host, ?MODULE, c2s_session_opened, 70), ejabberd_hooks:add(roster_get_jid_info, Host, ?MODULE, get_jid_info, 70), ejabberd_hooks:add(roster_process_item, Host, ?MODULE, process_item, 50), ejabberd_hooks:add(c2s_self_presence, Host, ?MODULE, c2s_self_presence, 50), ejabberd_hooks:add(unset_presence_hook, Host, ?MODULE, unset_presence, 50), ejabberd_hooks:add(register_user, Host, ?MODULE, register_user, 50), ejabberd_hooks:add(remove_user, Host, ?MODULE, remove_user, 50). stop(Host) -> ejabberd_hooks:delete(webadmin_menu_host, Host, ?MODULE, webadmin_menu, 70), ejabberd_hooks:delete(webadmin_page_host, Host, ?MODULE, webadmin_page, 50), ejabberd_hooks:delete(roster_get, Host, ?MODULE, get_user_roster, 70), ejabberd_hooks:delete(roster_in_subscription, Host, ?MODULE, in_subscription, 30), ejabberd_hooks:delete(roster_out_subscription, Host, ?MODULE, out_subscription, 30), ejabberd_hooks:delete(c2s_session_opened, Host, ?MODULE, c2s_session_opened, 70), ejabberd_hooks:delete(roster_get_jid_info, Host, ?MODULE, get_jid_info, 70), ejabberd_hooks:delete(roster_process_item, Host, ?MODULE, process_item, 50), ejabberd_hooks:delete(c2s_self_presence, Host, ?MODULE, c2s_self_presence, 50), ejabberd_hooks:delete(unset_presence_hook, Host, ?MODULE, unset_presence, 50), ejabberd_hooks:delete(register_user, Host, ?MODULE, register_user, 50), ejabberd_hooks:delete(remove_user, Host, ?MODULE, remove_user, 50). %%ejabberd_hooks:delete(remove_user, Host, %% ?MODULE, remove_user, 50), depends(_Host, _Opts) -> []. -spec get_user_roster([#roster{}], {binary(), binary()}) -> [#roster{}]. get_user_roster(Items, US) -> {U, S} = US, DisplayedGroups = get_user_displayed_groups(US), SRUsers = lists:foldl(fun (Group, Acc1) -> GroupName = get_group_name(S, Group), lists:foldl(fun (User, Acc2) -> if User == US -> Acc2; true -> dict:append(User, GroupName, Acc2) end end, Acc1, get_group_users(S, Group)) end, dict:new(), DisplayedGroups), {NewItems1, SRUsersRest} = lists:mapfoldl(fun (Item, SRUsers1) -> {_, _, {U1, S1, _}} = Item#roster.usj, US1 = {U1, S1}, case dict:find(US1, SRUsers1) of {ok, _GroupNames} -> {Item#roster{subscription = both, ask = none}, dict:erase(US1, SRUsers1)}; error -> {Item, SRUsers1} end end, SRUsers, Items), SRItems = [#roster{usj = {U, S, {U1, S1, <<"">>}}, us = US, jid = {U1, S1, <<"">>}, name = get_rosteritem_name(U1, S1), subscription = both, ask = none, groups = GroupNames} || {{U1, S1}, GroupNames} <- dict:to_list(SRUsersRest)], SRItems ++ NewItems1. get_rosteritem_name(U, S) -> case gen_mod:is_loaded(S, mod_vcard) of true -> SubEls = mod_vcard:get_vcard(U, S), get_rosteritem_name_vcard(SubEls); false -> <<"">> end. -spec get_rosteritem_name_vcard([xmlel()]) -> binary(). get_rosteritem_name_vcard([Vcard|_]) -> case fxml:get_path_s(Vcard, [{elem, <<"NICKNAME">>}, cdata]) of <<"">> -> fxml:get_path_s(Vcard, [{elem, <<"FN">>}, cdata]); Nickname -> Nickname end; get_rosteritem_name_vcard(_) -> <<"">>. %% This function rewrites the roster entries when moving or renaming %% them in the user contact list. -spec process_item(#roster{}, binary()) -> #roster{}. process_item(RosterItem, Host) -> USFrom = {UserFrom, ServerFrom} = RosterItem#roster.us, {UserTo, ServerTo, ResourceTo} = RosterItem#roster.jid, NameTo = RosterItem#roster.name, USTo = {UserTo, ServerTo}, DisplayedGroups = get_user_displayed_groups(USFrom), CommonGroups = lists:filter(fun (Group) -> is_user_in_group(USTo, Group, Host) end, DisplayedGroups), case CommonGroups of [] -> RosterItem; %% Roster item cannot be removed: We simply reset the original groups: _ when RosterItem#roster.subscription == remove -> GroupNames = lists:map(fun (Group) -> get_group_name(Host, Group) end, CommonGroups), RosterItem#roster{subscription = both, ask = none, groups = GroupNames}; %% Both users have at least a common shared group, %% So each user can see the other _ -> case lists:subtract(RosterItem#roster.groups, CommonGroups) of %% If it doesn't, then remove this user from any %% existing roster groups. [] -> mod_roster:out_subscription(UserTo, ServerTo, jid:make(UserFrom, ServerFrom, <<"">>), unsubscribe), mod_roster:in_subscription(false, UserFrom, ServerFrom, jid:make(UserTo, ServerTo, <<"">>), unsubscribe, <<"">>), RosterItem#roster{subscription = both, ask = none}; %% If so, it means the user wants to add that contact %% to his personal roster PersonalGroups -> set_new_rosteritems(UserFrom, ServerFrom, UserTo, ServerTo, ResourceTo, NameTo, PersonalGroups) end end. build_roster_record(User1, Server1, User2, Server2, Name2, Groups) -> USR2 = {User2, Server2, <<"">>}, #roster{usj = {User1, Server1, USR2}, us = {User1, Server1}, jid = USR2, name = Name2, subscription = both, ask = none, groups = Groups}. set_new_rosteritems(UserFrom, ServerFrom, UserTo, ServerTo, ResourceTo, NameTo, GroupsFrom) -> RIFrom = build_roster_record(UserFrom, ServerFrom, UserTo, ServerTo, NameTo, GroupsFrom), set_item(UserFrom, ServerFrom, ResourceTo, RIFrom), JIDTo = jid:make(UserTo, ServerTo, <<"">>), JIDFrom = jid:make(UserFrom, ServerFrom, <<"">>), RITo = build_roster_record(UserTo, ServerTo, UserFrom, ServerFrom, UserFrom, []), set_item(UserTo, ServerTo, <<"">>, RITo), mod_roster:out_subscription(UserFrom, ServerFrom, JIDTo, subscribe), mod_roster:in_subscription(false, UserTo, ServerTo, JIDFrom, subscribe, <<"">>), mod_roster:out_subscription(UserTo, ServerTo, JIDFrom, subscribed), mod_roster:in_subscription(false, UserFrom, ServerFrom, JIDTo, subscribed, <<"">>), mod_roster:out_subscription(UserTo, ServerTo, JIDFrom, subscribe), mod_roster:in_subscription(false, UserFrom, ServerFrom, JIDTo, subscribe, <<"">>), mod_roster:out_subscription(UserFrom, ServerFrom, JIDTo, subscribed), mod_roster:in_subscription(false, UserTo, ServerTo, JIDFrom, subscribed, <<"">>), RIFrom. set_item(User, Server, Resource, Item) -> ResIQ = #iq{from = jid:make(User, Server, Resource), to = jid:make(Server), type = set, id = <<"push", (randoms:get_string())/binary>>, sub_els = [#roster_query{ items = [mod_roster:encode_item(Item)]}]}, ejabberd_router:route(ResIQ). c2s_session_opened(#{jid := #jid{luser = LUser, lserver = LServer}, pres_f := PresF, pres_t := PresT} = State) -> US = {LUser, LServer}, DisplayedGroups = get_user_displayed_groups(US), SRUsers = lists:flatmap(fun(Group) -> get_group_users(LServer, Group) end, DisplayedGroups), PresBoth = lists:foldl( fun({U, S, _}, Acc) -> ?SETS:add_element({U, S, <<"">>}, Acc); ({U, S}, Acc) -> ?SETS:add_element({U, S, <<"">>}, Acc) end, ?SETS:new(), SRUsers), State#{pres_f => ?SETS:union(PresBoth, PresF), pres_t => ?SETS:union(PresBoth, PresT)}. -spec get_jid_info({subscription(), [binary()]}, binary(), binary(), jid()) -> {subscription(), [binary()]}. get_jid_info({Subscription, Groups}, User, Server, JID) -> LUser = jid:nodeprep(User), LServer = jid:nameprep(Server), US = {LUser, LServer}, {U1, S1, _} = jid:tolower(JID), US1 = {U1, S1}, DisplayedGroups = get_user_displayed_groups(US), SRUsers = lists:foldl(fun (Group, Acc1) -> lists:foldl(fun (User1, Acc2) -> dict:append(User1, get_group_name(LServer, Group), Acc2) end, Acc1, get_group_users(LServer, Group)) end, dict:new(), DisplayedGroups), case dict:find(US1, SRUsers) of {ok, GroupNames} -> NewGroups = if Groups == [] -> GroupNames; true -> Groups end, {both, NewGroups}; error -> {Subscription, Groups} end. -spec in_subscription(boolean(), binary(), binary(), jid(), subscribe | subscribed | unsubscribe | unsubscribed, binary()) -> boolean(). in_subscription(Acc, User, Server, JID, Type, _Reason) -> process_subscription(in, User, Server, JID, Type, Acc). -spec out_subscription( binary(), binary(), jid(), subscribed | unsubscribed | subscribe | unsubscribe) -> boolean(). out_subscription(UserFrom, ServerFrom, JIDTo, unsubscribed) -> #jid{luser = UserTo, lserver = ServerTo} = JIDTo, JIDFrom = jid:make(UserFrom, ServerFrom, <<"">>), mod_roster:out_subscription(UserTo, ServerTo, JIDFrom, unsubscribe), mod_roster:in_subscription(false, UserFrom, ServerFrom, JIDTo, unsubscribe, <<"">>), process_subscription(out, UserFrom, ServerFrom, JIDTo, unsubscribed, false); out_subscription(User, Server, JID, Type) -> process_subscription(out, User, Server, JID, Type, false). process_subscription(Direction, User, Server, JID, _Type, Acc) -> LUser = jid:nodeprep(User), LServer = jid:nameprep(Server), US = {LUser, LServer}, {U1, S1, _} = jid:tolower(jid:remove_resource(JID)), US1 = {U1, S1}, DisplayedGroups = get_user_displayed_groups(US), SRUsers = lists:usort(lists:flatmap(fun (Group) -> get_group_users(LServer, Group) end, DisplayedGroups)), case lists:member(US1, SRUsers) of true -> case Direction of in -> {stop, false}; out -> stop end; false -> Acc end. list_groups(Host) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:list_groups(Host). groups_with_opts(Host) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:groups_with_opts(Host). create_group(Host, Group) -> create_group(Host, Group, []). create_group(Host, Group, Opts) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:create_group(Host, Group, Opts). delete_group(Host, Group) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:delete_group(Host, Group). get_group_opts(Host, Group) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:get_group_opts(Host, Group). set_group_opts(Host, Group, Opts) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:set_group_opts(Host, Group, Opts). get_user_groups(US) -> Host = element(2, US), Mod = gen_mod:db_mod(Host, ?MODULE), Mod:get_user_groups(US, Host) ++ get_special_users_groups(Host). is_group_enabled(Host1, Group1) -> {Host, Group} = split_grouphost(Host1, Group1), case get_group_opts(Host, Group) of error -> false; Opts -> not lists:member(disabled, Opts) end. %% @spec (Host::string(), Group::string(), Opt::atom(), Default) -> OptValue | Default get_group_opt(Host, Group, Opt, Default) -> case get_group_opts(Host, Group) of error -> Default; Opts -> case lists:keysearch(Opt, 1, Opts) of {value, {_, Val}} -> Val; false -> Default end end. get_online_users(Host) -> lists:usort([{U, S} || {U, S, _} <- ejabberd_sm:get_vh_session_list(Host)]). get_group_users(Host1, Group1) -> {Host, Group} = split_grouphost(Host1, Group1), case get_group_opt(Host, Group, all_users, false) of true -> ejabberd_auth:get_vh_registered_users(Host); false -> [] end ++ case get_group_opt(Host, Group, online_users, false) of true -> get_online_users(Host); false -> [] end ++ get_group_explicit_users(Host, Group). get_group_users(Host, Group, GroupOpts) -> case proplists:get_value(all_users, GroupOpts, false) of true -> ejabberd_auth:get_vh_registered_users(Host); false -> [] end ++ case proplists:get_value(online_users, GroupOpts, false) of true -> get_online_users(Host); false -> [] end ++ get_group_explicit_users(Host, Group). get_group_explicit_users(Host, Group) -> Mod = gen_mod:db_mod(Host, ?MODULE), Mod:get_group_explicit_users(Host, Group). get_group_name(Host1, Group1) -> {Host, Group} = split_grouphost(Host1, Group1), get_group_opt(Host, Group, name, Group). %% Get list of names of groups that have @all@/@online@/etc in the memberlist get_special_users_groups(Host) -> lists:filter(fun (Group) -> get_group_opt(Host, Group, all_users, false) orelse get_group_opt(Host, Group, online_users, false) end, list_groups(Host)). %% Get list of names of groups that have @online@ in the memberlist get_special_users_groups_online(Host) -> lists:filter(fun (Group) -> get_group_opt(Host, Group, online_users, false) end, list_groups(Host)). %% Given two lists of groupnames and their options, %% return the list of displayed groups to the second list displayed_groups(GroupsOpts, SelectedGroupsOpts) -> DisplayedGroups = lists:usort(lists:flatmap(fun ({_Group, Opts}) -> [G || G <- proplists:get_value(displayed_groups, Opts, []), not lists:member(disabled, Opts)] end, SelectedGroupsOpts)), [G || G <- DisplayedGroups, not lists:member(disabled, proplists:get_value(G, GroupsOpts, []))]. %% Given a list of group names with options, %% for those that have @all@ in memberlist, %% get the list of groups displayed get_special_displayed_groups(GroupsOpts) -> Groups = lists:filter(fun ({_Group, Opts}) -> proplists:get_value(all_users, Opts, false) end, GroupsOpts), displayed_groups(GroupsOpts, Groups). %% Given a username and server, and a list of group names with options, %% for the list of groups of that server that user is member %% get the list of groups displayed get_user_displayed_groups(LUser, LServer, GroupsOpts) -> Mod = gen_mod:db_mod(LServer, ?MODULE), Groups = Mod:get_user_displayed_groups(LUser, LServer, GroupsOpts), displayed_groups(GroupsOpts, Groups). %% @doc Get the list of groups that are displayed to this user get_user_displayed_groups(US) -> Host = element(2, US), DisplayedGroups1 = lists:usort(lists:flatmap(fun (Group) -> case is_group_enabled(Host, Group) of true -> get_group_opt(Host, Group, displayed_groups, []); false -> [] end end, get_user_groups(US))), [Group || Group <- DisplayedGroups1, is_group_enabled(Host, Group)]. is_user_in_group(US, Group, Host) -> Mod = gen_mod:db_mod(Host, ?MODULE), case Mod:is_user_in_group(US, Group, Host) of false -> lists:member(US, get_group_users(Host, Group)); true -> true end. %% @spec (Host::string(), {User::string(), Server::string()}, Group::string()) -> {atomic, ok} add_user_to_group(Host, US, Group) -> {LUser, LServer} = US, case ejabberd_regexp:run(LUser, <<"^@.+@\$">>) of match -> GroupOpts = mod_shared_roster:get_group_opts(Host, Group), MoreGroupOpts = case LUser of <<"@all@">> -> [{all_users, true}]; <<"@online@">> -> [{online_users, true}]; _ -> [] end, mod_shared_roster:set_group_opts(Host, Group, GroupOpts ++ MoreGroupOpts); nomatch -> DisplayedToGroups = displayed_to_groups(Group, Host), DisplayedGroups = get_displayed_groups(Group, LServer), push_user_to_displayed(LUser, LServer, Group, Host, both, DisplayedToGroups), push_displayed_to_user(LUser, LServer, Host, both, DisplayedGroups), broadcast_user_to_displayed(LUser, LServer, Host, both, DisplayedToGroups), broadcast_displayed_to_user(LUser, LServer, Host, both, DisplayedGroups), Mod = gen_mod:db_mod(Host, ?MODULE), Mod:add_user_to_group(Host, US, Group) end. get_displayed_groups(Group, LServer) -> GroupsOpts = groups_with_opts(LServer), GroupOpts = proplists:get_value(Group, GroupsOpts, []), proplists:get_value(displayed_groups, GroupOpts, []). broadcast_displayed_to_user(LUser, LServer, Host, Subscription, DisplayedGroups) -> [broadcast_members_to_user(LUser, LServer, DGroup, Host, Subscription) || DGroup <- DisplayedGroups]. push_displayed_to_user(LUser, LServer, Host, Subscription, DisplayedGroups) -> [push_members_to_user(LUser, LServer, DGroup, Host, Subscription) || DGroup <- DisplayedGroups]. remove_user_from_group(Host, US, Group) -> {LUser, LServer} = US, case ejabberd_regexp:run(LUser, <<"^@.+@\$">>) of match -> GroupOpts = mod_shared_roster:get_group_opts(Host, Group), NewGroupOpts = case LUser of <<"@all@">> -> lists:filter(fun (X) -> X /= {all_users, true} end, GroupOpts); <<"@online@">> -> lists:filter(fun (X) -> X /= {online_users, true} end, GroupOpts) end, mod_shared_roster:set_group_opts(Host, Group, NewGroupOpts); nomatch -> Mod = gen_mod:db_mod(Host, ?MODULE), Result = Mod:remove_user_from_group(Host, US, Group), DisplayedToGroups = displayed_to_groups(Group, Host), DisplayedGroups = get_displayed_groups(Group, LServer), push_user_to_displayed(LUser, LServer, Group, Host, remove, DisplayedToGroups), push_displayed_to_user(LUser, LServer, Host, remove, DisplayedGroups), Result end. push_members_to_user(LUser, LServer, Group, Host, Subscription) -> GroupsOpts = groups_with_opts(LServer), GroupOpts = proplists:get_value(Group, GroupsOpts, []), GroupName = proplists:get_value(name, GroupOpts, Group), Members = get_group_users(Host, Group), lists:foreach(fun ({U, S}) -> push_roster_item(LUser, LServer, U, S, GroupName, Subscription) end, Members). broadcast_members_to_user(LUser, LServer, Group, Host, Subscription) -> Members = get_group_users(Host, Group), lists:foreach( fun({U, S}) -> broadcast_subscription(U, S, {LUser, LServer, <<"">>}, Subscription) end, Members). -spec register_user(binary(), binary()) -> ok. register_user(User, Server) -> Groups = get_user_groups({User, Server}), [push_user_to_displayed(User, Server, Group, Server, both, displayed_to_groups(Group, Server)) || Group <- Groups], ok. -spec remove_user(binary(), binary()) -> ok. remove_user(User, Server) -> push_user_to_members(User, Server, remove). push_user_to_members(User, Server, Subscription) -> LUser = jid:nodeprep(User), LServer = jid:nameprep(Server), GroupsOpts = groups_with_opts(LServer), SpecialGroups = get_special_displayed_groups(GroupsOpts), UserGroups = get_user_displayed_groups(LUser, LServer, GroupsOpts), lists:foreach(fun (Group) -> remove_user_from_group(LServer, {LUser, LServer}, Group), GroupOpts = proplists:get_value(Group, GroupsOpts, []), GroupName = proplists:get_value(name, GroupOpts, Group), lists:foreach(fun ({U, S}) -> push_roster_item(U, S, LUser, LServer, GroupName, Subscription) end, get_group_users(LServer, Group, GroupOpts)) end, lists:usort(SpecialGroups ++ UserGroups)). push_user_to_displayed(LUser, LServer, Group, Host, Subscription, DisplayedToGroupsOpts) -> GroupsOpts = groups_with_opts(Host), GroupOpts = proplists:get_value(Group, GroupsOpts, []), GroupName = proplists:get_value(name, GroupOpts, Group), [push_user_to_group(LUser, LServer, GroupD, Host, GroupName, Subscription) || GroupD <- DisplayedToGroupsOpts]. broadcast_user_to_displayed(LUser, LServer, Host, Subscription, DisplayedToGroupsOpts) -> [broadcast_user_to_group(LUser, LServer, GroupD, Host, Subscription) || GroupD <- DisplayedToGroupsOpts]. push_user_to_group(LUser, LServer, Group, Host, GroupName, Subscription) -> lists:foreach(fun ({U, S}) when (U == LUser) and (S == LServer) -> ok; ({U, S}) -> push_roster_item(U, S, LUser, LServer, GroupName, Subscription) end, get_group_users(Host, Group)). broadcast_user_to_group(LUser, LServer, Group, Host, Subscription) -> lists:foreach( fun({U, S}) when (U == LUser) and (S == LServer) -> ok; ({U, S}) -> broadcast_subscription(LUser, LServer, {U, S, <<"">>}, Subscription) end, get_group_users(Host, Group)). %% Get list of groups to which this group is displayed displayed_to_groups(GroupName, LServer) -> GroupsOpts = groups_with_opts(LServer), Gs = lists:filter(fun ({_Group, Opts}) -> lists:member(GroupName, proplists:get_value(displayed_groups, Opts, [])) end, GroupsOpts), [Name || {Name, _} <- Gs]. push_item(User, Server, Item) -> Stanza = #iq{type = set, id = <<"push", (randoms:get_string())/binary>>, sub_els = [#roster_query{ items = [mod_roster:encode_item(Item)]}]}, lists:foreach(fun (Resource) -> JID = jid:make(User, Server, Resource), ejabberd_router:route( xmpp:set_from_to(Stanza, jid:remove_resource(JID), JID)) end, ejabberd_sm:get_user_resources(User, Server)). push_roster_item(User, Server, ContactU, ContactS, GroupName, Subscription) -> Item = #roster{usj = {User, Server, {ContactU, ContactS, <<"">>}}, us = {User, Server}, jid = {ContactU, ContactS, <<"">>}, name = <<"">>, subscription = Subscription, ask = none, groups = [GroupName]}, push_item(User, Server, Item). -spec c2s_self_presence({presence(), ejabberd_c2s:state()}) -> {presence(), ejabberd_c2s:state()}. c2s_self_presence({_, #{pres_last := _}} = Acc) -> %% This is just a presence update, nothing to do Acc; c2s_self_presence({#presence{type = available}, #{jid := New}} = Acc) -> LUser = New#jid.luser, LServer = New#jid.lserver, Resources = ejabberd_sm:get_user_resources(LUser, LServer), ?DEBUG("user_available for ~p @ ~p (~p resources)", [LUser, LServer, length(Resources)]), case length(Resources) of %% first session for this user 1 -> UserGroups = get_user_groups({LUser, LServer}), lists:foreach(fun (OG) -> ?DEBUG("user_available: pushing ~p @ ~p grp ~p", [LUser, LServer, OG]), DisplayedToGroups = displayed_to_groups(OG, LServer), DisplayedGroups = get_displayed_groups(OG, LServer), broadcast_displayed_to_user(LUser, LServer, LServer, both, DisplayedGroups), broadcast_user_to_displayed(LUser, LServer, LServer, both, DisplayedToGroups) end, UserGroups); _ -> ok end, Acc; c2s_self_presence(Acc) -> Acc. -spec unset_presence(binary(), binary(), binary(), binary()) -> ok. unset_presence(LUser, LServer, Resource, Status) -> Resources = ejabberd_sm:get_user_resources(LUser, LServer), ?DEBUG("unset_presence for ~p @ ~p / ~p -> ~p " "(~p resources)", [LUser, LServer, Resource, Status, length(Resources)]), case length(Resources) of 0 -> OnlineGroups = get_special_users_groups_online(LServer), lists:foreach(fun (OG) -> push_user_to_displayed(LUser, LServer, OG, LServer, remove, displayed_to_groups(OG, LServer)), push_displayed_to_user(LUser, LServer, LServer, remove, displayed_to_groups(OG, LServer)) end, OnlineGroups); _ -> ok end. %%--------------------- %% Web Admin %%--------------------- webadmin_menu(Acc, _Host, Lang) -> [{<<"shared-roster">>, ?T(<<"Shared Roster Groups">>)} | Acc]. webadmin_page(_, Host, #request{us = _US, path = [<<"shared-roster">>], q = Query, lang = Lang} = _Request) -> Res = list_shared_roster_groups(Host, Query, Lang), {stop, Res}; webadmin_page(_, Host, #request{us = _US, path = [<<"shared-roster">>, Group], q = Query, lang = Lang} = _Request) -> Res = shared_roster_group(Host, Group, Query, Lang), {stop, Res}; webadmin_page(Acc, _, _) -> Acc. list_shared_roster_groups(Host, Query, Lang) -> Res = list_sr_groups_parse_query(Host, Query), SRGroups = mod_shared_roster:list_groups(Host), FGroups = (?XAE(<<"table">>, [], [?XE(<<"tbody">>, (lists:map(fun (Group) -> ?XE(<<"tr">>, [?XE(<<"td">>, [?INPUT(<<"checkbox">>, <<"selected">>, Group)]), ?XE(<<"td">>, [?AC(<>, Group)])]) end, lists:sort(SRGroups)) ++ [?XE(<<"tr">>, [?X(<<"td">>), ?XE(<<"td">>, [?INPUT(<<"text">>, <<"namenew">>, <<"">>)]), ?XE(<<"td">>, [?INPUTT(<<"submit">>, <<"addnew">>, <<"Add New">>)])])]))])), (?H1GL((?T(<<"Shared Roster Groups">>)), <<"mod_shared_roster">>, <<"mod_shared_roster">>)) ++ case Res of ok -> [?XREST(<<"Submitted">>)]; error -> [?XREST(<<"Bad format">>)]; nothing -> [] end ++ [?XAE(<<"form">>, [{<<"action">>, <<"">>}, {<<"method">>, <<"post">>}], [FGroups, ?BR, ?INPUTT(<<"submit">>, <<"delete">>, <<"Delete Selected">>)])]. list_sr_groups_parse_query(Host, Query) -> case lists:keysearch(<<"addnew">>, 1, Query) of {value, _} -> list_sr_groups_parse_addnew(Host, Query); _ -> case lists:keysearch(<<"delete">>, 1, Query) of {value, _} -> list_sr_groups_parse_delete(Host, Query); _ -> nothing end end. list_sr_groups_parse_addnew(Host, Query) -> case lists:keysearch(<<"namenew">>, 1, Query) of {value, {_, Group}} when Group /= <<"">> -> mod_shared_roster:create_group(Host, Group), ok; _ -> error end. list_sr_groups_parse_delete(Host, Query) -> SRGroups = mod_shared_roster:list_groups(Host), lists:foreach(fun (Group) -> case lists:member({<<"selected">>, Group}, Query) of true -> mod_shared_roster:delete_group(Host, Group); _ -> ok end end, SRGroups), ok. shared_roster_group(Host, Group, Query, Lang) -> Res = shared_roster_group_parse_query(Host, Group, Query), GroupOpts = mod_shared_roster:get_group_opts(Host, Group), Name = get_opt(GroupOpts, name, <<"">>), Description = get_opt(GroupOpts, description, <<"">>), AllUsers = get_opt(GroupOpts, all_users, false), OnlineUsers = get_opt(GroupOpts, online_users, false), DisplayedGroups = get_opt(GroupOpts, displayed_groups, []), Members = mod_shared_roster:get_group_explicit_users(Host, Group), FMembers = iolist_to_binary( [if AllUsers -> <<"@all@\n">>; true -> <<"">> end, if OnlineUsers -> <<"@online@\n">>; true -> <<"">> end, [[us_to_list(Member), $\n] || Member <- Members]]), FDisplayedGroups = [<> || DG <- DisplayedGroups], DescNL = length(ejabberd_regexp:split(Description, <<"\n">>)), FGroup = (?XAE(<<"table">>, [{<<"class">>, <<"withtextareas">>}], [?XE(<<"tbody">>, [?XE(<<"tr">>, [?XCT(<<"td">>, <<"Name:">>), ?XE(<<"td">>, [?INPUT(<<"text">>, <<"name">>, Name)])]), ?XE(<<"tr">>, [?XCT(<<"td">>, <<"Description:">>), ?XE(<<"td">>, [?TEXTAREA(<<"description">>, integer_to_binary(lists:max([3, DescNL])), <<"20">>, Description)])]), ?XE(<<"tr">>, [?XCT(<<"td">>, <<"Members:">>), ?XE(<<"td">>, [?TEXTAREA(<<"members">>, integer_to_binary(lists:max([3, length(Members)+3])), <<"20">>, FMembers)])]), ?XE(<<"tr">>, [?XCT(<<"td">>, <<"Displayed Groups:">>), ?XE(<<"td">>, [?TEXTAREA(<<"dispgroups">>, integer_to_binary(lists:max([3, length(FDisplayedGroups)])), <<"20">>, list_to_binary(FDisplayedGroups))])])])])), (?H1GL((?T(<<"Shared Roster Groups">>)), <<"mod_shared_roster">>, <<"mod_shared_roster">>)) ++ [?XC(<<"h2">>, <<(?T(<<"Group ">>))/binary, Group/binary>>)] ++ case Res of ok -> [?XREST(<<"Submitted">>)]; error -> [?XREST(<<"Bad format">>)]; nothing -> [] end ++ [?XAE(<<"form">>, [{<<"action">>, <<"">>}, {<<"method">>, <<"post">>}], [FGroup, ?BR, ?INPUTT(<<"submit">>, <<"submit">>, <<"Submit">>)])]. shared_roster_group_parse_query(Host, Group, Query) -> case lists:keysearch(<<"submit">>, 1, Query) of {value, _} -> {value, {_, Name}} = lists:keysearch(<<"name">>, 1, Query), {value, {_, Description}} = lists:keysearch(<<"description">>, 1, Query), {value, {_, SMembers}} = lists:keysearch(<<"members">>, 1, Query), {value, {_, SDispGroups}} = lists:keysearch(<<"dispgroups">>, 1, Query), NameOpt = if Name == <<"">> -> []; true -> [{name, Name}] end, DescriptionOpt = if Description == <<"">> -> []; true -> [{description, Description}] end, DispGroups = str:tokens(SDispGroups, <<"\r\n">>), DispGroupsOpt = if DispGroups == [] -> []; true -> [{displayed_groups, DispGroups}] end, OldMembers = mod_shared_roster:get_group_explicit_users(Host, Group), SJIDs = str:tokens(SMembers, <<", \r\n">>), NewMembers = lists:foldl(fun (_SJID, error) -> error; (SJID, USs) -> case SJID of <<"@all@">> -> USs; <<"@online@">> -> USs; _ -> case jid:from_string(SJID) of JID when is_record(JID, jid) -> [{JID#jid.luser, JID#jid.lserver} | USs]; error -> error end end end, [], SJIDs), AllUsersOpt = case lists:member(<<"@all@">>, SJIDs) of true -> [{all_users, true}]; false -> [] end, OnlineUsersOpt = case lists:member(<<"@online@">>, SJIDs) of true -> [{online_users, true}]; false -> [] end, CurrentDisplayedGroups = get_displayed_groups(Group, Host), AddedDisplayedGroups = DispGroups -- CurrentDisplayedGroups, RemovedDisplayedGroups = CurrentDisplayedGroups -- DispGroups, displayed_groups_update(OldMembers, RemovedDisplayedGroups, remove), displayed_groups_update(OldMembers, AddedDisplayedGroups, both), mod_shared_roster:set_group_opts(Host, Group, NameOpt ++ DispGroupsOpt ++ DescriptionOpt ++ AllUsersOpt ++ OnlineUsersOpt), if NewMembers == error -> error; true -> AddedMembers = NewMembers -- OldMembers, RemovedMembers = OldMembers -- NewMembers, lists:foreach(fun (US) -> mod_shared_roster:remove_user_from_group(Host, US, Group) end, RemovedMembers), lists:foreach(fun (US) -> mod_shared_roster:add_user_to_group(Host, US, Group) end, AddedMembers), ok end; _ -> nothing end. get_opt(Opts, Opt, Default) -> case lists:keysearch(Opt, 1, Opts) of {value, {_, Val}} -> Val; false -> Default end. us_to_list({User, Server}) -> jid:to_string({User, Server, <<"">>}). split_grouphost(Host, Group) -> case str:tokens(Group, <<"@">>) of [GroupName, HostName] -> {HostName, GroupName}; [_] -> {Host, Group} end. broadcast_subscription(User, Server, ContactJid, Subscription) -> ejabberd_sm:route(jid:make(User, Server, <<"">>), {item, ContactJid, Subscription}). displayed_groups_update(Members, DisplayedGroups, Subscription) -> lists:foreach(fun({U, S}) -> push_displayed_to_user(U, S, S, Subscription, DisplayedGroups), case Subscription of both -> broadcast_displayed_to_user(U, S, S, to, DisplayedGroups), broadcast_displayed_to_user(U, S, S, from, DisplayedGroups); Subscr -> broadcast_displayed_to_user(U, S, S, Subscr, DisplayedGroups) end end, Members). opts_to_binary(Opts) -> lists:map( fun({name, Name}) -> {name, iolist_to_binary(Name)}; ({description, Desc}) -> {description, iolist_to_binary(Desc)}; ({displayed_groups, Gs}) -> {displayed_groups, [iolist_to_binary(G) || G <- Gs]}; (Opt) -> Opt end, Opts). export(LServer) -> Mod = gen_mod:db_mod(LServer, ?MODULE), Mod:export(LServer). import_info() -> [{<<"sr_group">>, 3}, {<<"sr_user">>, 3}]. import_start(LServer, DBType) -> Mod = gen_mod:db_mod(DBType, ?MODULE), Mod:init(LServer, []). import(LServer, {sql, _}, DBType, Tab, L) -> Mod = gen_mod:db_mod(DBType, ?MODULE), Mod:import(LServer, Tab, L). mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end; mod_opt_type(_) -> [db_type].