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xmpp.chapril.org-ejabberd/src/mod_shared_roster.erl
Karim Gemayel 7a884ced32 API renaming : bare_jid_to_list -> bare_to_list 
SVN Revision: 2133
2009-06-01 16:54:33 +00:00

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%%%----------------------------------------------------------------------
%%% File : mod_shared_roster.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Shared roster management
%%% Created : 5 Mar 2005 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_shared_roster).
-author('alexey@process-one.net').
-behaviour(gen_mod).
-export([start/2, stop/1,
webadmin_menu/3, webadmin_page/3,
get_user_roster/2,
get_subscription_lists/3,
get_jid_info/4,
process_item/2,
in_subscription/6,
out_subscription/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,
remove_user_from_group/3]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("mod_roster.hrl").
-include("web/ejabberd_http.hrl").
-include("web/ejabberd_web_admin.hrl").
-record(sr_group, {group_host, opts}).
-record(sr_user, {us, group_host}).
start(Host, _Opts) ->
HostB = list_to_binary(Host),
mnesia:create_table(sr_group,
[{disc_copies, [node()]},
{attributes, record_info(fields, sr_group)}]),
mnesia:create_table(sr_user,
[{disc_copies, [node()]},
{type, bag},
{attributes, record_info(fields, sr_user)}]),
mnesia:add_table_index(sr_user, group_host),
ejabberd_hooks:add(webadmin_menu_host, HostB,
?MODULE, webadmin_menu, 70),
ejabberd_hooks:add(webadmin_page_host, HostB,
?MODULE, webadmin_page, 50),
ejabberd_hooks:add(roster_get, HostB,
?MODULE, get_user_roster, 70),
ejabberd_hooks:add(roster_in_subscription, HostB,
?MODULE, in_subscription, 30),
ejabberd_hooks:add(roster_out_subscription, HostB,
?MODULE, out_subscription, 30),
ejabberd_hooks:add(roster_get_subscription_lists, HostB,
?MODULE, get_subscription_lists, 70),
ejabberd_hooks:add(roster_get_jid_info, HostB,
?MODULE, get_jid_info, 70),
ejabberd_hooks:add(roster_process_item, HostB,
?MODULE, process_item, 50),
ejabberd_hooks:add(register_user, HostB,
?MODULE, register_user, 50),
ejabberd_hooks:add(remove_user, HostB,
?MODULE, remove_user, 50).
%%ejabberd_hooks:add(remove_user, HostB,
%% ?MODULE, remove_user, 50),
stop(Host) ->
HostB = list_to_binary(Host),
ejabberd_hooks:delete(webadmin_menu_host, HostB,
?MODULE, webadmin_menu, 70),
ejabberd_hooks:delete(webadmin_page_host, HostB,
?MODULE, webadmin_page, 50),
ejabberd_hooks:delete(roster_get, HostB,
?MODULE, get_user_roster, 70),
ejabberd_hooks:delete(roster_in_subscription, HostB,
?MODULE, in_subscription, 30),
ejabberd_hooks:delete(roster_out_subscription, HostB,
?MODULE, out_subscription, 30),
ejabberd_hooks:delete(roster_get_subscription_lists, HostB,
?MODULE, get_subscription_lists, 70),
ejabberd_hooks:delete(roster_get_jid_info, HostB,
?MODULE, get_jid_info, 70),
ejabberd_hooks:delete(roster_process_item, HostB,
?MODULE, process_item, 50),
ejabberd_hooks:delete(register_user, HostB,
?MODULE, register_user, 50),
ejabberd_hooks:delete(remove_user, HostB,
?MODULE, remove_user, 50).
%%ejabberd_hooks:delete(remove_user, HostB,
%% ?MODULE, remove_user, 50),
get_user_roster(Items, US) ->
{U, S} = US,
DisplayedGroups = get_user_displayed_groups(US),
%% Get shared roster users in all groups and remove self:
SRUsers =
lists:foldl(
fun(Group, Acc1) ->
lists:foldl(
fun(User, Acc2) ->
if User == US -> Acc2;
true -> dict:append(User,
get_group_name(S, Group),
Acc2)
end
end, Acc1, get_group_users(S, Group))
end, dict:new(), DisplayedGroups),
%% If partially subscribed users are also in shared roster, show them as
%% totally subscribed:
{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),
%% Export items in roster format:
SRItems = [#roster{usj = {U, S, {U1, S1, undefined}},
us = US,
jid = {U1, S1, undefined},
name = "",
subscription = both,
ask = none,
groups = GroupNames} ||
{{U1, S1}, GroupNames} <- dict:to_list(SRUsersRest)],
SRItems ++ NewItems1.
%% This function rewrites the roster entries when moving or renaming
%% them in the user contact list.
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
_ ->
%% Check if the list of groups of the new roster item
%% include at least a new one
case lists:subtract(RosterItem#roster.groups, CommonGroups) of
%% If it doesn't, then remove this user from any
%% existing roster groups.
[] ->
%% Remove pending subscription by setting it
%% unsubscribed.
Mod = get_roster_mod(ServerFrom),
%% Remove pending out subscription
Mod:out_subscription(UserTo, ServerTo,
exmpp_jid:make(UserFrom, ServerFrom),
unsubscribe),
%% Remove pending in subscription
Mod:in_subscription(aaaa, UserFrom, ServerFrom,
exmpp_jid:make(UserTo, ServerTo),
unsubscribe, ""),
%% But we're still subscribed, so respond as such.
RosterItem#roster{subscription = both, ask = none};
%% If so, it means the user wants to add that contact
%% to his personal roster
PersonalGroups ->
%% Store roster items in From and To rosters
set_new_rosteritems(UserFrom, ServerFrom,
UserTo, ServerTo, ResourceTo, NameTo,
PersonalGroups)
end
end.
build_roster_record(User1, Server1, User2, Server2, Name2, Groups) ->
USR2 = {User2, Server2, undefined},
#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) ->
Mod = get_roster_mod(ServerFrom),
RIFrom = build_roster_record(UserFrom, ServerFrom,
UserTo, ServerTo, NameTo, GroupsFrom),
set_item(UserFrom, ServerFrom, ResourceTo, RIFrom),
JIDTo = exmpp_jid:make(UserTo, ServerTo),
JIDFrom = exmpp_jid:make(UserFrom, ServerFrom),
RITo = build_roster_record(UserTo, ServerTo,
UserFrom, ServerFrom, UserFrom,[]),
set_item(UserTo, ServerTo, undefined, RITo),
%% From requests
Mod:out_subscription(UserFrom, ServerFrom, JIDTo, subscribe),
Mod:in_subscription(aaa, UserTo, ServerTo, JIDFrom, subscribe, ""),
%% To accepts
Mod:out_subscription(UserTo, ServerTo, JIDFrom, subscribed),
Mod:in_subscription(aaa, UserFrom, ServerFrom, JIDTo, subscribed, ""),
%% To requests
Mod:out_subscription(UserTo, ServerTo, JIDFrom, subscribe),
Mod:in_subscription(aaa, UserFrom, ServerFrom, JIDTo, subscribe, ""),
%% From accepts
Mod:out_subscription(UserFrom, ServerFrom, JIDTo, subscribed),
Mod:in_subscription(aaa, UserTo, ServerTo, JIDFrom, subscribed, ""),
RIFrom.
set_item(User, Server, Resource, Item) ->
Request = #xmlel{ns = ?NS_ROSTER, name = 'query',
children = [mod_roster:item_to_xml(Item)]},
ResIQ = exmpp_iq:set(?NS_JABBER_CLIENT, Request,
"push" ++ randoms:get_string()),
ejabberd_router:route(
exmpp_jid:make(User, Server, Resource),
exmpp_jid:make(Server),
ResIQ).
get_subscription_lists({F, T}, User, Server)
when is_binary(User), is_binary(Server) ->
try
LUser = binary_to_list(User),
LServer = binary_to_list(Server),
US = {LUser, LServer},
DisplayedGroups = get_user_displayed_groups(US),
SRUsers =
lists:usort(
lists:flatmap(
fun(Group) ->
get_group_users(LServer, Group)
end, DisplayedGroups)),
SRJIDs = [{U1, S1, undefined} || {U1, S1} <- SRUsers],
{lists:usort(SRJIDs ++ F), lists:usort(SRJIDs ++ T)}
catch
_ ->
{[], []}
end.
get_jid_info({Subscription, Groups}, User, Server, JID)
when is_binary(User), is_binary(Server) ->
try
LUser = binary_to_list(User),
LServer = binary_to_list(Server),
US = {LUser, LServer},
{U1, S1, _} = jlib:short_prepd_jid(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
catch
_ ->
{[], []}
end.
in_subscription(Acc, User, Server, JID, Type, _Reason) ->
process_subscription(in, User, Server, JID, Type, Acc).
out_subscription(UserFrom, ServerFrom, JIDTo, unsubscribed) ->
Mod = get_roster_mod(ServerFrom),
%% Remove pending out subscription
{UserTo, ServerTo, _} = jlib:short_prepd_bare_jid(JIDTo),
JIDFrom = exmpp_jid:make(UserFrom, UserTo),
Mod:out_subscription(UserTo, ServerTo, JIDFrom, unsubscribe),
%% Remove pending in subscription
Mod:in_subscription(aaaa, 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) ->
try
LUser = exmpp_stringprep:nodeprep(User),
LServer = exmpp_stringprep:nameprep(Server),
US = {LUser, LServer},
{U1, S1, _} = jlib:short_prepd_bare_jid(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
catch
_ ->
Acc
end.
list_groups(Host) ->
mnesia:dirty_select(
sr_group,
[{#sr_group{group_host = {'$1', '$2'},
_ = '_'},
[{'==', '$2', Host}],
['$1']}]).
groups_with_opts(Host) ->
Gs = mnesia:dirty_select(
sr_group,
[{#sr_group{group_host={'$1', Host}, opts='$2', _='_'},
[],
[['$1','$2']] }]),
lists:map(fun([G,O]) -> {G, O} end, Gs).
create_group(Host, Group) ->
create_group(Host, Group, []).
create_group(Host, Group, Opts) ->
R = #sr_group{group_host = {Group, Host}, opts = Opts},
F = fun() ->
mnesia:write(R)
end,
mnesia:transaction(F).
delete_group(Host, Group) ->
GroupHost = {Group, Host},
F = fun() ->
%% Delete the group ...
mnesia:delete({sr_group, GroupHost}),
%% ... and its users
Users = mnesia:index_read(sr_user, GroupHost, #sr_user.group_host),
lists:foreach(fun(UserEntry) ->
mnesia:delete_object(UserEntry)
end, Users)
end,
mnesia:transaction(F).
get_group_opts(Host, Group) ->
case catch mnesia:dirty_read(sr_group, {Group, Host}) of
[#sr_group{opts = Opts}] ->
Opts;
_ ->
error
end.
set_group_opts(Host, Group, Opts) ->
R = #sr_group{group_host = {Group, Host}, opts = Opts},
F = fun() ->
mnesia:write(R)
end,
mnesia:transaction(F).
get_user_groups(US) ->
Host = element(2, US),
case catch mnesia:dirty_read(sr_user, US) of
Rs when is_list(Rs) ->
[Group || #sr_user{group_host = {Group, H}} <- Rs, H == Host];
_ ->
[]
end ++ get_special_users_groups(Host).
is_group_enabled(Host, Group) ->
case catch mnesia:dirty_read(sr_group, {Group, Host}) of
[#sr_group{opts = Opts}] ->
not lists:member(disabled, Opts);
_ ->
false
end.
get_group_opt(Host, Group, Opt, Default) ->
case catch mnesia:dirty_read(sr_group, {Group, Host}) of
[#sr_group{opts = Opts}] ->
case lists:keysearch(Opt, 1, Opts) of
{value, {_, Val}} ->
Val;
false ->
Default
end;
_ ->
false
end.
get_group_users(Host, Group) ->
case get_group_opt(Host, Group, all_users, false) of
true ->
ejabberd_auth:get_vh_registered_users(Host);
false ->
[]
end ++ get_group_explicit_users(Host, Group).
get_group_users(_User, Host, Group, GroupOpts) ->
case proplists:get_value(all_users, GroupOpts, false) of
true ->
ejabberd_auth:get_vh_registered_users(Host);
false ->
[]
end ++ get_group_explicit_users(Host, Group).
%% @spec (Host::string(), Group::string()) -> [{User::string(), Server::string()}]
get_group_explicit_users(Host, Group) ->
Read = (catch mnesia:dirty_index_read(
sr_user,
{Group, Host},
#sr_user.group_host)),
case Read of
Rs when is_list(Rs) ->
[R#sr_user.us || R <- Rs];
_ ->
[]
end.
get_group_name(Host, Group) ->
get_group_opt(Host, Group, name, Group).
%% Get list of names of groups that have @all@ in the memberlist
get_special_users_groups(Host) ->
lists:filter(
fun(Group) ->
get_group_opt(Host, Group, all_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) ->
Groups = case catch mnesia:dirty_read(sr_user, {LUser, LServer}) of
Rs when is_list(Rs) ->
[{Group, proplists:get_value(Group, GroupsOpts, [])} ||
#sr_user{group_host = {Group, H}} <- Rs, H == LServer];
_ ->
[]
end,
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({_U, S} = US, Group, Host) ->
case catch mnesia:dirty_match_object(
#sr_user{us=US, group_host={Group, Host}}) of
[] -> lists:member(US, get_group_users(S, Group));
_ -> true
end.
%% @spec (Host::string(), {User::string(), Server::string()}, Group::string()) -> {atomic, ok}
add_user_to_group(Host, US, Group) ->
{LUser, LServer} = US,
case regexp:match(LUser, "^@.+@$") of
{match,_,_} ->
GroupOpts = mod_shared_roster:get_group_opts(Host, Group),
AllUsersOpt =
case LUser == "@all@" of
true -> [{all_users, true}];
false -> []
end,
mod_shared_roster:set_group_opts(
Host, Group,
GroupOpts ++ AllUsersOpt);
nomatch ->
%% Push this new user to members of groups where this group is displayed
push_user_to_displayed(LUser, LServer, Group, both),
%% Push members of groups that are displayed to this group
push_displayed_to_user(LUser, LServer, Group, Host, both),
R = #sr_user{us = US, group_host = {Group, Host}},
F = fun() ->
mnesia:write(R)
end,
mnesia:transaction(F)
end.
push_displayed_to_user(LUser, LServer, Group, Host, Subscription) ->
GroupsOpts = groups_with_opts(LServer),
GroupOpts = proplists:get_value(Group, GroupsOpts, []),
DisplayedGroups = proplists:get_value(displayed_groups, GroupOpts, []),
[push_members_to_user(LUser, LServer, DGroup, Host, Subscription) || DGroup <- DisplayedGroups].
remove_user_from_group(Host, US, Group) ->
GroupHost = {Group, Host},
{LUser, LServer} = US,
case regexp:match(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)
end,
mod_shared_roster:set_group_opts(Host, Group, NewGroupOpts);
nomatch ->
R = #sr_user{us = US, group_host = GroupHost},
F = fun() ->
mnesia:delete_object(R)
end,
Result = mnesia:transaction(F),
%% Push removal of the old user to members of groups where the group that this user was members was displayed
push_user_to_displayed(LUser, LServer, Group, remove),
%% Push removal of members of groups that where displayed to the group which this user has left
push_displayed_to_user(LUser, LServer, Group, Host, remove),
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).
register_user(User, Server) ->
%% Get list of groups where this user is member
Groups = get_user_groups({User, Server}),
%% Push this user to members of groups where is displayed a group which this user is member
[push_user_to_displayed(User, Server, Group, both) || Group <- Groups].
remove_user(User, Server) ->
push_user_to_members(User, Server, remove).
push_user_to_members(User, Server, Subscription) ->
try
LUser = exmpp_stringprep:nodeprep(User),
LServer = exmpp_stringprep: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) ->
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(LUser, LServer, Group, GroupOpts))
end, lists:usort(SpecialGroups++UserGroups))
catch
_ ->
ok
end.
push_user_to_displayed(LUser, LServer, Group, Subscription) ->
GroupsOpts = groups_with_opts(LServer),
GroupOpts = proplists:get_value(Group, GroupsOpts, []),
GroupName = proplists:get_value(name, GroupOpts, Group),
DisplayedToGroupsOpts = displayed_to_groups(Group, LServer),
[push_user_to_group(LUser, LServer, GroupD, GroupName, Subscription) || {GroupD, _Opts} <- DisplayedToGroupsOpts].
push_user_to_group(LUser, LServer, Group, GroupName, Subscription) ->
lists:foreach(
fun({U, S}) ->
push_roster_item(U, S, LUser, LServer, GroupName, Subscription)
end, get_group_users(LServer, Group)).
%% Get list of groups to which this group is displayed
displayed_to_groups(GroupName, LServer) ->
GroupsOpts = groups_with_opts(LServer),
lists:filter(
fun({_Group, Opts}) ->
lists:member(GroupName, proplists:get_value(displayed_groups, Opts, []))
end, GroupsOpts).
push_item(_User, _Server, _From, none) ->
ok;
push_item(User, Server, From, Item) ->
%% It was
%% ejabberd_sm:route(jlib:make_jid("", "", ""),
%% jlib:make_jid(User, Server, "")
%% why?
ejabberd_sm:route(From, exmpp_jid:make(User, Server),
#xmlel{name = 'broadcast', children =
[{item,
Item#roster.jid,
Item#roster.subscription}]}),
Request = #xmlel{ns = ?NS_ROSTER, name = 'query',
children = [item_to_xml(Item)]},
Stanza = exmpp_iq:set(?NS_JABBER_CLIENT, Request,
"push" ++ randoms:get_string()),
lists:foreach(
fun(Resource) ->
JID = exmpp_jid:make(User, Server, Resource),
ejabberd_router:route(JID, JID, Stanza)
end, ejabberd_sm:get_user_resources(list_to_binary(User), list_to_binary(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, exmpp_jid:make(Server), Item).
item_to_xml(Item) ->
{U, S, R} = Item#roster.jid,
Attrs1 = exmpp_xml:set_attribute_in_list([],
'jid', exmpp_jid:to_list(U, S, R)),
Attrs2 = case Item#roster.name of
"" ->
Attrs1;
Name ->
exmpp_xml:set_attribute_in_list(Attrs1, 'name', Name)
end,
Attrs3 = exmpp_xml:set_attribute_in_list(Attrs2,
'subscription', Item#roster.subscription),
Attrs4 = case ask_to_pending(Item#roster.ask) of
out ->
exmpp_xml:set_attribute_in_list(Attrs3,
'ask', "subscribe");
both ->
exmpp_xml:set_attribute_in_list(Attrs3,
'ask', "subscribe");
_ ->
Attrs3
end,
SubEls1 = lists:map(fun(G) ->
exmpp_xml:set_cdata(
#xmlel{ns = ?NS_ROSTER, name = 'group'}, G)
end, Item#roster.groups),
SubEls = SubEls1 ++ Item#roster.xs,
#xmlel{ns = ?NS_ROSTER, name = 'item', attrs = Attrs4, children = SubEls}.
ask_to_pending(subscribe) -> out;
ask_to_pending(unsubscribe) -> none;
ask_to_pending(Ask) -> Ask.
%%---------------------
%% 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 ++ "/", 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"), "modsharedroster", "mod_shared_roster") ++
case Res of
ok -> [?XREST("Submitted")];
error -> [?XREST("Bad format")];
nothing -> []
end ++
[?XAE("form", [?XMLATTR('action', <<"">>), ?XMLATTR('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),
%%Disabled = false,
DisplayedGroups = get_opt(GroupOpts, displayed_groups, []),
Members = mod_shared_roster:get_group_explicit_users(Host, Group),
FMembers =
if
AllUsers ->
"@all@\n";
true ->
[]
end ++ [[us_to_list(Member), $\n] || Member <- Members],
FDisplayedGroups = [[DG, $\n] || DG <- DisplayedGroups],
DescNL = length(element(2, regexp:split(Description, "\n"))),
FGroup =
?XAE("table", [?XMLATTR('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_list(lists:max([3, DescNL])), "20", Description)
]
)
]
),
?XE("tr",
[?XCT("td", "Members:"),
?XE("td", [
?TEXTAREA("members", integer_to_list(lists:max([3, length(FMembers)])), "20", FMembers)
]
)
]
),
?XE("tr",
[?XCT("td", "Displayed Groups:"),
?XE("td", [
?TEXTAREA("dispgroups", integer_to_list(lists:max([3, length(FDisplayedGroups)])), "20", FDisplayedGroups)
]
)
]
)]
)]),
?H1GL(?T("Shared Roster Groups"), "modsharedroster", "mod_shared_roster") ++
[?XC("h2", ?T("Group ") ++ Group)] ++
case Res of
ok -> [?XREST("Submitted")];
error -> [?XREST("Bad format")];
nothing -> []
end ++
[?XAE("form", [?XMLATTR('action', <<"">>), ?XMLATTR('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 = string:tokens(SDispGroups, "\r\n"),
DispGroupsOpt =
if
DispGroups == [] -> [];
true -> [{displayed_groups, DispGroups}]
end,
OldMembers = mod_shared_roster:get_group_explicit_users(
Host, Group),
SJIDs = string:tokens(SMembers, ", \r\n"),
NewMembers =
lists:foldl(
fun(_SJID, error) -> error;
(SJID, USs) ->
case SJID of
"@all@" ->
USs;
_ ->
try
JID = exmpp_jid:parse(SJID),
[{exmpp_jid:prep_node_as_list(JID), exmpp_jid:prep_domain_as_list(JID)} | USs]
catch
_ ->
error
end
end
end, [], SJIDs),
AllUsersOpt =
case lists:member("@all@", SJIDs) of
true -> [{all_users, true}];
false -> []
end,
mod_shared_roster:set_group_opts(
Host, Group,
NameOpt ++ DispGroupsOpt ++ DescriptionOpt ++ AllUsersOpt),
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 the roster module for Server.
get_roster_mod(Server) ->
case lists:member(mod_roster_odbc,
gen_mod:loaded_modules(Server)) of
true -> mod_roster_odbc;
false -> mod_roster
end.
get_opt(Opts, Opt, Default) ->
case lists:keysearch(Opt, 1, Opts) of
{value, {_, Val}} ->
Val;
false ->
Default
end.
us_to_list({User, Server}) ->
exmpp_jid:bare_to_list(User, Server).
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