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* src/mod_privacy.erl: Privacy rules support
* src/ejabberd_c2s.erl: Likewise * src/mod_roster.erl: Likewise SVN Revision: 129
This commit is contained in:
Alexey Shchepin
parent
d0f38de9e1
commit
6fff6f0b4c
672
src/mod_privacy.erl
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672
src/mod_privacy.erl
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@ -0,0 +1,672 @@
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%%%----------------------------------------------------------------------
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%%% File : mod_privacy.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose : jabber:iq:privacy support
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%%% Created : 21 Jul 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(mod_privacy).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-behaviour(gen_mod).
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-export([start/1,
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process_iq/3,
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process_iq_set/3,
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process_iq_get/4,
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get_user_list/1,
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check_packet/4,
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updated_list/2]).
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%-include_lib("mnemosyne/include/mnemosyne.hrl").
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-include("ejabberd.hrl").
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-include("jlib.hrl").
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-record(privacy, {user,
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default = none,
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lists = []}).
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-record(listitem, {type = none,
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value = none,
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action,
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order,
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match_all = false,
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match_iq = false,
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match_message = false,
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match_presence_in = false,
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match_presence_out = false
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}).
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-record(userlist, {name = none, list = []}).
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start(Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
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mnesia:create_table(privacy, [{disc_copies, [node()]},
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{attributes, record_info(fields, privacy)}]),
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gen_iq_handler:add_iq_handler(ejabberd_sm, ?NS_PRIVACY,
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?MODULE, process_iq, IQDisc).
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%process_local_iq(From, To, {iq, _, Type, _, _} = IQ) ->
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% case Type of
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% set ->
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% process_iq_set(From, To, IQ);
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% get ->
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% process_iq_get(From, To, IQ)
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% end.
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%
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%
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%
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process_iq(From, To, IQ) ->
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{iq, ID, Type, XMLNS, SubEl} = IQ,
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{_, Server, _} = From,
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Res =
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case ?MYNAME of
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Server ->
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case Type of
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set ->
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%process_iq_set(From, To, IQ);
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{error, ?ERR_NOT_ALLOWED};
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get ->
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{error, ?ERR_NOT_ALLOWED}
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end;
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_ ->
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{error, ?ERR_NOT_ALLOWED}
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end,
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case Res of
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{result, IQRes} ->
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{iq, ID, result, XMLNS, IQRes};
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{error, Error} ->
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{iq, ID, error, XMLNS, [SubEl, Error]}
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end.
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process_iq_get(From, To, {iq, ID, Type, XMLNS, SubEl},
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#userlist{name = Active}) ->
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{User, _, _} = From,
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{xmlelement, _, _, Els} = SubEl,
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case xml:remove_cdata(Els) of
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[] ->
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process_lists_get(User, Active);
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[{xmlelement, Name, Attrs, SubEls}] ->
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case Name of
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"list" ->
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ListName = xml:get_attr("name", Attrs),
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process_list_get(User, ListName);
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_ ->
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{error, ?ERR_BAD_REQUEST}
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end;
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_ ->
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{error, ?ERR_BAD_REQUEST}
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end.
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process_lists_get(User, Active) ->
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LUser = jlib:tolower(User),
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case catch mnesia:dirty_read(privacy, LUser) of
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{'EXIT', Reason} ->
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{error, ?ERR_INTERNAL_SERVER_ERROR};
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[] ->
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{result, [{xmlelement, "query", [{"xmlns", ?NS_PRIVACY}], []}]};
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[#privacy{default = Default, lists = Lists}] ->
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case Lists of
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[] ->
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{result, [{xmlelement, "query",
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[{"xmlns", ?NS_PRIVACY}], []}]};
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_ ->
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LItems = lists:map(
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fun({N, _}) ->
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{xmlelement, "list",
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[{"name", N}], []}
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end, Lists),
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DItems =
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case Default of
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none ->
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LItems;
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_ ->
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[{xmlelement, "default",
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[{"name", Default}], []} | LItems]
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end,
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ADItems =
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case Active of
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none ->
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DItems;
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_ ->
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[{xmlelement, "active",
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[{"name", Active}], []} | DItems]
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end,
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{result,
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[{xmlelement, "query", [{"xmlns", ?NS_PRIVACY}],
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ADItems}]}
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end
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end.
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process_list_get(User, {value, Name}) ->
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LUser = jlib:tolower(User),
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case catch mnesia:dirty_read(privacy, User) of
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{'EXIT', Reason} ->
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{error, ?ERR_INTERNAL_SERVER_ERROR};
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[] ->
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{result, [{xmlelement, "query", [{"xmlns", ?NS_PRIVACY}], []}]};
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[#privacy{lists = Lists}] ->
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case lists:keysearch(Name, 1, Lists) of
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{value, {_, List}} ->
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LItems = lists:map(fun item_to_xml/1, List),
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{result,
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[{xmlelement, "query", [{"xmlns", ?NS_PRIVACY}],
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[{xmlelement, "list",
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[{"name", Name}], LItems}]}]};
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_ ->
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{error, ?ERR_ITEM_NOT_FOUND}
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end
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end;
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process_list_get(_User, false) ->
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{error, ?ERR_BAD_REQUEST}.
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item_to_xml(Item) ->
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Attrs1 = [{"action", action_to_list(Item#listitem.action)},
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{"order", order_to_list(Item#listitem.order)}],
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Attrs2 = case Item#listitem.type of
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none ->
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Attrs1;
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Type ->
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[{"type", type_to_list(Item#listitem.type)},
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{"value", value_to_list(Type, Item#listitem.value)} |
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Attrs1]
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end,
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SubEls = case Item#listitem.match_all of
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true ->
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[];
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false ->
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SE1 = case Item#listitem.match_iq of
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true ->
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[{xmlelement, "iq", [], []}];
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false ->
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[]
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end,
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SE2 = case Item#listitem.match_message of
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true ->
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[{xmlelement, "message", [], []} | SE1];
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false ->
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SE1
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end,
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SE3 = case Item#listitem.match_presence_in of
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true ->
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[{xmlelement, "presence-in", [], []} | SE2];
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false ->
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SE2
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end,
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SE4 = case Item#listitem.match_presence_out of
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true ->
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[{xmlelement, "presence-out", [], []} | SE3];
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false ->
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SE3
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end,
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SE4
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end,
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{xmlelement, "item", Attrs2, SubEls}.
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action_to_list(Action) ->
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case Action of
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allow -> "allow";
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deny -> "deny"
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end.
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order_to_list(Order) ->
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integer_to_list(Order).
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type_to_list(Type) ->
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case Type of
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jid -> "jid";
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group -> "group";
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subscription -> "subscription"
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end.
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value_to_list(Type, Val) ->
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case Type of
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jid -> jlib:jid_to_string(Val);
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group -> Val;
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subscription ->
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case Val of
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both -> "both";
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to -> "to";
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from -> "from";
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none -> "none"
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end
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end.
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list_to_action(S) ->
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case S of
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"allow" -> allow;
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"deny" -> deny
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end.
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process_iq_set(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
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{User, _, _} = From,
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{xmlelement, _, _, Els} = SubEl,
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case xml:remove_cdata(Els) of
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[{xmlelement, Name, Attrs, SubEls}] ->
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ListName = xml:get_attr("name", Attrs),
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case Name of
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"list" ->
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process_list_set(User, ListName, xml:remove_cdata(SubEls));
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"active" ->
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process_active_set(User, ListName);
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"default" ->
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process_default_set(User, ListName);
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_ ->
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{error, ?ERR_BAD_REQUEST}
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end;
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_ ->
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{error, ?ERR_BAD_REQUEST}
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end.
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process_default_set(User, {value, Name}) ->
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LUser = jlib:tolower(User),
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F = fun() ->
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case mnesia:read({privacy, LUser}) of
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[] ->
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{error, ?ERR_ITEM_NOT_FOUND};
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[#privacy{lists = Lists} = P] ->
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case lists:keymember(Name, 1, Lists) of
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true ->
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mnesia:write(P#privacy{default = Name,
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lists = Lists}),
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{result, []};
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false ->
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{error, ?ERR_ITEM_NOT_FOUND}
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end
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end
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end,
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case mnesia:transaction(F) of
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{atomic, {error, _} = Error} ->
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Error;
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{atomic, {result, _} = Res} ->
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Res;
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_ ->
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{error, ?ERR_INTERNAL_SERVER_ERROR}
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end;
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process_default_set(User, false) ->
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LUser = jlib:tolower(User),
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F = fun() ->
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case mnesia:read({privacy, LUser}) of
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[] ->
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{result, []};
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[R] ->
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mnesia:write(R#privacy{default = none}),
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{result, []}
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end
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end,
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case mnesia:transaction(F) of
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{atomic, {error, _} = Error} ->
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Error;
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{atomic, {result, _} = Res} ->
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Res;
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_ ->
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{error, ?ERR_INTERNAL_SERVER_ERROR}
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end.
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process_active_set(User, {value, Name}) ->
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LUser = jlib:tolower(User),
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case catch mnesia:dirty_read(privacy, LUser) of
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[] ->
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{error, ?ERR_ITEM_NOT_FOUND};
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[#privacy{lists = Lists} = P] ->
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case lists:keysearch(Name, 1, Lists) of
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{value, {_, List}} ->
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{result, [], #userlist{name = Name, list = List}};
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false ->
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{error, ?ERR_ITEM_NOT_FOUND}
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end
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end;
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process_active_set(User, false) ->
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{result, [], #userlist{}}.
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process_list_set(User, {value, Name}, Els) ->
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LUser = jlib:tolower(User),
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case parse_items(Els) of
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false ->
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{error, ?ERR_BAD_REQUEST};
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remove ->
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F =
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fun() ->
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case mnesia:read({privacy, LUser}) of
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[] ->
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{result, []};
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[#privacy{default = Default, lists = Lists} = P] ->
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% TODO: check active
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if
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Name == Default ->
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{error, ?ERR_CONFLICT};
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true ->
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NewLists =
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lists:keydelete(Name, 1, Lists),
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mnesia:write(
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P#privacy{lists = NewLists}),
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{result, []}
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end
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end
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end,
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case mnesia:transaction(F) of
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{atomic, {error, _} = Error} ->
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Error;
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{atomic, {result, _} = Res} ->
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ejabberd_router:route(
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{User, ?MYNAME, ""},
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{User, ?MYNAME, ""},
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{xmlelement, "broadcast", [],
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[{privacy_list, #userlist{name = Name, list = []}}]}),
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Res;
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_ ->
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{error, ?ERR_INTERNAL_SERVER_ERROR}
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end;
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List ->
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F =
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fun() ->
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case mnesia:wread({privacy, LUser}) of
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[] ->
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NewLists = [{Name, List}],
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mnesia:write(#privacy{user = LUser,
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lists = NewLists}),
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{result, []};
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[#privacy{lists = Lists} = P] ->
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NewLists1 = lists:keydelete(Name, 1, Lists),
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NewLists = [{Name, List} | NewLists1],
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mnesia:write(P#privacy{lists = NewLists}),
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{result, []}
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end
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end,
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case mnesia:transaction(F) of
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{atomic, {error, _} = Error} ->
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Error;
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{atomic, {result, _} = Res} ->
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ejabberd_router:route(
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{User, ?MYNAME, ""},
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{User, ?MYNAME, ""},
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{xmlelement, "broadcast", [],
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[{privacy_list, #userlist{name = Name, list = List}}]}),
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Res;
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_ ->
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{error, ?ERR_INTERNAL_SERVER_ERROR}
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end
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end;
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process_list_set(_User, false, _Els) ->
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{error, ?ERR_BAD_REQUEST}.
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parse_items([]) ->
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remove;
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parse_items(Els) ->
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parse_items(Els, []).
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parse_items([], Res) ->
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lists:reverse(Res);
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parse_items([{xmlelement, "item", Attrs, SubEls} | Els], Res) ->
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Type = xml:get_attr("type", Attrs),
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Value = xml:get_attr("value", Attrs),
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SAction = xml:get_attr("action", Attrs),
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SOrder = xml:get_attr("order", Attrs),
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Action = case catch list_to_action(element(2, SAction)) of
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{'EXIT', _} -> false;
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Val -> Val
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end,
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Order = case catch list_to_integer(element(2, SOrder)) of
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{'EXIT', _} ->
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false;
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IntVal ->
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if
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IntVal >= 0 ->
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IntVal;
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true ->
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false
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end
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end,
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if
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(Action /= false) and (Order /= false) ->
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I1 = #listitem{action = Action, order = Order},
|
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I2 = case {Type, Value} of
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{{value, T}, {value, V}} ->
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case T of
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"jid" ->
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case jlib:string_to_jid(V) of
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error ->
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false;
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JID ->
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I1#listitem{type = jid,
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value = JID}
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end;
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"group" ->
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I1#listitem{type = group,
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value = V};
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"subscription" ->
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case V of
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"none" ->
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I1#listitem{type = subscription,
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value = none};
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"both" ->
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I1#listitem{type = subscription,
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value = both};
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"from" ->
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I1#listitem{type = subscription,
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value = from};
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"to" ->
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I1#listitem{type = subscription,
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value = to};
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_ ->
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false
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end
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end;
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{{value, _}, false} ->
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false;
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_ ->
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I1
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end,
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case I2 of
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false ->
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false;
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_ ->
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case parse_matches(I2, xml:remove_cdata(SubEls)) of
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false ->
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false;
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I3 ->
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parse_items(Els, [I3 | Res])
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end
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||||
end;
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true ->
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false
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end;
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parse_items(_, Res) ->
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false.
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parse_matches(Item, []) ->
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Item#listitem{match_all = true};
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parse_matches(Item, Els) ->
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parse_matches1(Item, Els).
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parse_matches1(Item, []) ->
|
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Item;
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parse_matches1(Item, [{xmlelement, "message", _, _} | Els]) ->
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parse_matches1(Item#listitem{match_message = true}, Els);
|
||||
parse_matches1(Item, [{xmlelement, "iq", _, _} | Els]) ->
|
||||
parse_matches1(Item#listitem{match_iq = true}, Els);
|
||||
parse_matches1(Item, [{xmlelement, "presence-in", _, _} | Els]) ->
|
||||
parse_matches1(Item#listitem{match_presence_in = true}, Els);
|
||||
parse_matches1(Item, [{xmlelement, "presence-out", _, _} | Els]) ->
|
||||
parse_matches1(Item#listitem{match_presence_out = true}, Els);
|
||||
parse_matches1(Item, [{xmlelement, _, _, _} | Els]) ->
|
||||
false.
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
get_user_list(User) ->
|
||||
LUser = jlib:tolower(User),
|
||||
case catch mnesia:dirty_read(privacy, LUser) of
|
||||
[] ->
|
||||
#userlist{};
|
||||
[#privacy{default = Default, lists = Lists}] ->
|
||||
case Default of
|
||||
none ->
|
||||
#userlist{};
|
||||
_ ->
|
||||
case lists:keysearch(Default, 1, Lists) of
|
||||
{value, {_, List}} ->
|
||||
SortedList = lists:keysort(#listitem.order, List),
|
||||
#userlist{name = Default, list = SortedList};
|
||||
_ ->
|
||||
#userlist{}
|
||||
end
|
||||
end;
|
||||
_ ->
|
||||
#userlist{}
|
||||
end.
|
||||
|
||||
|
||||
check_packet(User,
|
||||
#userlist{list = List},
|
||||
{From, To, {xmlelement, PName, _, _}},
|
||||
Dir) ->
|
||||
case List of
|
||||
[] ->
|
||||
allow;
|
||||
_ ->
|
||||
PType = case PName of
|
||||
"message" -> message;
|
||||
"iq" -> iq;
|
||||
"presence" -> presence
|
||||
end,
|
||||
case {PType, Dir} of
|
||||
{message, in} ->
|
||||
LJID = jlib:jid_tolower(From),
|
||||
{Subscription, Groups} =
|
||||
mod_roster:get_jid_info(User, LJID),
|
||||
check_packet_aux(List, message,
|
||||
LJID, Subscription, Groups);
|
||||
{iq, in} ->
|
||||
LJID = jlib:jid_tolower(From),
|
||||
{Subscription, Groups} =
|
||||
mod_roster:get_jid_info(User, LJID),
|
||||
check_packet_aux(List, iq,
|
||||
LJID, Subscription, Groups);
|
||||
{presence, in} ->
|
||||
LJID = jlib:jid_tolower(From),
|
||||
{Subscription, Groups} =
|
||||
mod_roster:get_jid_info(User, LJID),
|
||||
check_packet_aux(List, presence_in,
|
||||
LJID, Subscription, Groups);
|
||||
{presence, out} ->
|
||||
LJID = jlib:jid_tolower(To),
|
||||
{Subscription, Groups} =
|
||||
mod_roster:get_jid_info(User, LJID),
|
||||
check_packet_aux(List, presence_out,
|
||||
LJID, Subscription, Groups);
|
||||
_ ->
|
||||
allow
|
||||
end
|
||||
end.
|
||||
|
||||
check_packet_aux([], PType, JID, Subscription, Groups) ->
|
||||
allow;
|
||||
check_packet_aux([Item | List], PType, JID, Subscription, Groups) ->
|
||||
#listitem{type = Type, value = Value, action = Action} = Item,
|
||||
case Type of
|
||||
none ->
|
||||
Action;
|
||||
_ ->
|
||||
case is_ptype_match(Item, PType) of
|
||||
true ->
|
||||
case is_type_match(Type, Value,
|
||||
JID, Subscription, Groups) of
|
||||
true ->
|
||||
Action;
|
||||
false ->
|
||||
check_packet_aux(List, PType,
|
||||
JID, Subscription, Groups)
|
||||
end;
|
||||
false ->
|
||||
check_packet_aux(List, PType, JID, Subscription, Groups)
|
||||
end
|
||||
end.
|
||||
|
||||
|
||||
is_ptype_match(Item, PType) ->
|
||||
case Item#listitem.match_all of
|
||||
true ->
|
||||
true;
|
||||
false ->
|
||||
case PType of
|
||||
message ->
|
||||
Item#listitem.match_message;
|
||||
iq ->
|
||||
Item#listitem.match_iq;
|
||||
presence_in ->
|
||||
Item#listitem.match_presence_in;
|
||||
presence_out ->
|
||||
Item#listitem.match_presence_out
|
||||
end
|
||||
end.
|
||||
|
||||
|
||||
is_type_match(Type, Value, JID, Subscription, Groups) ->
|
||||
case Type of
|
||||
jid ->
|
||||
case Value of
|
||||
{"", Server, ""} ->
|
||||
case JID of
|
||||
{_, Server, _} ->
|
||||
true;
|
||||
_ ->
|
||||
false
|
||||
end;
|
||||
{User, Server, ""} ->
|
||||
case JID of
|
||||
{User, Server, _} ->
|
||||
true;
|
||||
_ ->
|
||||
false
|
||||
end;
|
||||
_ ->
|
||||
Value == JID
|
||||
end;
|
||||
subscription ->
|
||||
Value == Subscription;
|
||||
group ->
|
||||
lists:member(Value, Groups)
|
||||
end.
|
||||
|
||||
|
||||
updated_list(#userlist{name = OldName} = Old,
|
||||
#userlist{name = NewName} = New) ->
|
||||
if
|
||||
OldName == NewName ->
|
||||
New;
|
||||
true ->
|
||||
Old
|
||||
end.
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user