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* src/mod_muc/mod_muc_room.erl: The mod_muc option max_users now

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limits max number of users in rooms and max_users_admin_threshold
sets a number of admin or owner accounts allowd to join after
max_users occupants

SVN Revision: 900
This commit is contained in:
Alexey Shchepin 2007-08-29 17:54:45 +00:00
parent c34484b53d
commit 4a26e75992
2 changed files with 82 additions and 22 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-08-29 Alexey Shchepin <alexey@process-one.net>
* src/mod_muc/mod_muc_room.erl: The mod_muc option max_users now
limits max number of users in rooms and max_users_admin_threshold
sets a number of admin or owner accounts allowd to join after
max_users occupants
2007-08-29 Mickael Remond <mremond@process-one.net>
* doc/guide.tex: Documentation for XML based optimisation build

95
src/mod_muc/mod_muc_room.erl
View File

@ -31,7 +31,8 @@
-include("jlib.hrl").
-define(MAX_USERS_DEFAULT, 200).
-define(MAX_USERS_DEFAULT_LIST, [5, 10, 20, 30, 50, 100, 200, 500, 1000, 2000, 5000]).
-define(MAX_USERS_DEFAULT_LIST,
[5, 10, 20, 30, 50, 100, 200, 500, 1000, 2000, 5000]).
-define(SETS, gb_sets).
-define(DICT, dict).
@ -910,6 +911,16 @@ get_affiliation(JID, StateData) ->
Res
end.
get_service_affiliation(JID, StateData) ->
{_AccessRoute, _AccessCreate, AccessAdmin, _AccessPersistent} =
StateData#state.access,
case acl:match_rule(StateData#state.server_host, AccessAdmin, JID) of
allow ->
owner;
_ ->
none
end.
set_role(JID, Role, StateData) ->
LJID = jlib:jid_tolower(JID),
LJIDs = case LJID of
@ -976,6 +987,22 @@ get_default_role(Affiliation, StateData) ->
end
end.
get_max_users(StateData) ->
MaxUsers = (StateData#state.config)#config.max_users,
ServiceMaxUsers = get_service_max_users(StateData),
if
MaxUsers =< ServiceMaxUsers -> MaxUsers;
true -> ServiceMaxUsers
end.
get_service_max_users(StateData) ->
gen_mod:get_module_opt(StateData#state.server_host,
mod_muc, max_users, ?MAX_USERS_DEFAULT).
get_max_users_admin_threshold(StateData) ->
gen_mod:get_module_opt(StateData#state.server_host,
mod_muc, max_users_admin_threshold, 5).
add_online_user(JID, Nick, Role, StateData) ->
LJID = jlib:jid_tolower(JID),
@ -1068,11 +1095,17 @@ is_nick_change(JID, Nick, StateData) ->
add_new_user(From, Nick, {xmlelement, _, Attrs, Els} = Packet, StateData) ->
Lang = xml:get_attr_s("xml:lang", Attrs),
MaxUsers = (StateData#state.config)#config.max_users,
UsersNb = length(?DICT:to_list(StateData#state.users)),
MaxUsers = get_max_users(StateData),
MaxAdminUsers = MaxUsers + get_max_users_admin_threshold(StateData),
NUsers = dict:fold(fun(_, _, Acc) -> Acc + 1 end, 0,
StateData#state.users),
Affiliation = get_affiliation(From, StateData),
case {(Affiliation == admin orelse Affiliation == owner)
orelse (MaxUsers == none orelse UsersNb+1 =< MaxUsers),
ServiceAffiliation = get_service_affiliation(From, StateData),
case {ServiceAffiliation == owner orelse
MaxUsers == none orelse
((Affiliation == admin orelse Affiliation == owner) andalso
NUsers < MaxAdminUsers) orelse
NUsers < MaxUsers,
is_nick_exists(Nick, StateData),
mod_muc:can_use_nick(StateData#state.host, From, Nick),
get_default_role(Affiliation, StateData)} of
@ -2252,6 +2285,7 @@ check_allowed_persistent_change(XEl, StateData, From) ->
get_config(Lang, StateData, From) ->
{_AccessRoute, _AccessCreate, _AccessAdmin, AccessPersistent} = StateData#state.access,
ServiceMaxUsers = get_service_max_users(StateData),
Config = StateData#state.config,
Res =
[{xmlelement, "title", [],
@ -2293,17 +2327,24 @@ get_config(Lang, StateData, From) ->
{"label", translate:translate(Lang, "Maximum Number of Occupants")},
{"var", "muc#roomconfig_maxusers"}],
[{xmlelement, "value", [], [{xmlcdata,
case Config#config.max_users of
none -> "none";
N -> erlang:integer_to_list(N)
case get_max_users(StateData) of
N when is_integer(N) ->
erlang:integer_to_list(N);
_ -> "none"
end
}]},
{xmlelement, "option", [{"label", translate:translate(Lang, "No limit")}],
[{xmlelement, "value", [], [{xmlcdata, "none"}]}]} |
}]}] ++
if
is_integer(ServiceMaxUsers) -> [];
true ->
[{xmlelement, "option",
[{"label", translate:translate(Lang, "No limit")}],
[{xmlelement, "value", [], [{xmlcdata, "none"}]}]}]
end ++
[{xmlelement, "option", [{"label", erlang:integer_to_list(N)}],
[{xmlelement, "value", [], [{xmlcdata, erlang:integer_to_list(N)}]}]} ||
N <- ?MAX_USERS_DEFAULT_LIST]
]},
[{xmlelement, "value", [],
[{xmlcdata, erlang:integer_to_list(N)}]}]} ||
N <- ?MAX_USERS_DEFAULT_LIST, N =< ServiceMaxUsers]
},
{xmlelement, "field",
[{"type", "list-single"},
{"label", translate:translate(Lang, "Present real JIDs to")},
@ -2386,6 +2427,15 @@ set_config(XEl, StateData) ->
_ -> {error, ?ERR_BAD_REQUEST}
end).
-define(SET_NAT_XOPT(Opt, Val),
case catch list_to_integer(Val) of
I when is_integer(I),
I > 0 ->
set_xoption(Opts, Config#config{Opt = I});
_ ->
{error, ?ERR_BAD_REQUEST}
end).
-define(SET_STRING_XOPT(Opt, Val),
set_xoption(Opts, Config#config{Opt = Val})).
@ -2434,12 +2484,7 @@ set_xoption([{"muc#roomconfig_maxusers", [Val]} | Opts], Config) ->
"none" ->
?SET_STRING_XOPT(max_users, none);
_ ->
case string:to_integer(Val) of
{error, _} ->
{error, ?ERR_BAD_REQUEST};
{I, _} ->
?SET_STRING_XOPT(max_users, I)
end
?SET_NAT_XOPT(max_users, Val)
end;
set_xoption([{"muc#roomconfig_enablelogging", [Val]} | Opts], Config) ->
?SET_BOOL_XOPT(logging, Val);
@ -2508,7 +2553,15 @@ set_opts([{Opt, Val} | Opts], StateData) ->
?CASE_CONFIG_OPT(password);
?CASE_CONFIG_OPT(anonymous);
?CASE_CONFIG_OPT(logging);
?CASE_CONFIG_OPT(max_users);
max_users ->
ServiceMaxUsers = get_service_max_users(StateData),
MaxUsers = if
Val =< ServiceMaxUsers -> Val;
true -> ServiceMaxUsers
end,
StateData#state{
config = (StateData#state.config)#config{
max_users = MaxUsers}};
affiliations ->
StateData#state{affiliations = ?DICT:from_list(Val)};
subject ->