Chapril/xmpp.chapril.org-ejabberd
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Convert to exmpp.

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PR:		EJABP-1
Submitted by:	Pablo Polvorin <pablo.polvorin@process-one.net>

SVN Revision: 1611
This commit is contained in:
Jean-Sébastien Pédron 2008-10-07 12:20:09 +00:00
parent 78466384c4
commit aaecdc4b8a
4 changed files with 271 additions and 157 deletions
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3
ChangeLog
View File

@ -6,6 +6,9 @@
* src/mod_stats.erl, src/mod_service_log.erl, src/mod_time.erl:
Convert to exmpp.
* src/mod_private.erl, src/mod_private_odbc.erl, src/mod_version.erl:
Convert to exmpp. Thanks to Pablo Polvorin!
2008-10-06 Jean-Sébastien Pédron <js.pedron@meetic-corp.com>
* src/ejabberd_sm.erl (process_iq/3): Fix a bug where we were matching

166
src/mod_private.erl
View File

@ -34,8 +34,9 @@
process_sm_iq/3,
remove_user/2]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("jlib.hrl").
-record(private_storage, {usns, xml}).
@ -56,52 +57,90 @@ stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_PRIVATE).
process_sm_iq(From, _To, #iq{type = Type, sub_el = SubEl} = IQ) ->
#jid{luser = LUser, lserver = LServer} = From,
case lists:member(LServer, ?MYHOSTS) of
true ->
{xmlelement, Name, Attrs, Els} = SubEl,
process_sm_iq(From, To, #iq{type = Type} = IQ_Rec) ->
case check_packet(From, To, IQ_Rec) of
ok ->
case Type of
set ->
process_iq_set(From, To, IQ_Rec);
get ->
process_iq_get(From, To, IQ_Rec)
end;
{error, Error} ->
exmpp_iq:error(IQ_Rec, Error)
end.
process_iq_get(From, _To, #iq{payload = SubEl} = IQ_Rec) ->
#jid{lnode = LUser, ldomain = LServer} = From,
case catch get_data(LUser,
LServer,
exmpp_xml:get_child_elements(SubEl)) of
{'EXIT', _Reason} ->
{error, 'internal-server-error'};
Res ->
exmpp_iq:result(IQ_Rec, #xmlel{ns = ?NS_PRIVATE,
name = 'query',
children = Res})
end.
process_iq_set(From, _To, #iq{payload = SubEl} = IQ_Rec) ->
#jid{lnode = LUser, ldomain = LServer} = From,
F = fun() ->
lists:foreach(
fun(El) ->
set_data(LUser, LServer, El)
end, Els)
end, exmpp_xml:get_child_elements(SubEl))
end,
mnesia:transaction(F),
IQ#iq{type = result,
sub_el = [{xmlelement, Name, Attrs, []}]};
get ->
case catch get_data(LUser, LServer, Els) of
{'EXIT', _Reason} ->
IQ#iq{type = error,
sub_el = [SubEl,
?ERR_INTERNAL_SERVER_ERROR]};
Res ->
IQ#iq{type = result,
sub_el = [{xmlelement, Name, Attrs, Res}]}
exmpp_iq:result(IQ_Rec).
check_packet(From, To, IQ_Rec) ->
check_packet(From, To, IQ_Rec, [ fun check_domain/3,
fun check_user/3,
fun check_ns/3]).
check_packet(_From, _To, _IQ_Rec, []) ->
ok;
check_packet(From, To, IQ_Rec, [F | R]) ->
case F(From, To, IQ_Rec) of
{error, _} = Error -> Error;
ok -> check_packet(From, To, IQ_Rec, R)
end.
check_domain(#jid{ldomain = LServer}, _To, _IQ_Rec) ->
case lists:member(LServer, ?MYHOSTS) of
true -> ok;
false -> {error, 'not-allowed'}
end.
% the iq can't be directed to another jid
check_user(From, To, _IQ_Rec) ->
case exmpp_jid:compare_bare_jids(From, To) of
true -> ok;
false -> {error, 'forbidden'}
end.
%there must be at least one child, and every child should have
%a namespace specified (reject if the namespace is jabber:iq:private,
%the same than the parent element).
check_ns(_From, _To, #iq{payload = SubEl}) ->
case exmpp_xml:get_child_elements(SubEl) of
[] ->
{error, 'not-acceptable'};
Children ->
case lists:any(fun(Child) ->
exmpp_xml:get_ns_as_atom(Child) =:= ?NS_PRIVATE
end, Children) of
true -> {error, 'not-acceptable'};
false -> ok
end
end;
false ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}
end.
set_data(LUser, LServer, El) ->
case El of
{xmlelement, _Name, Attrs, _Els} ->
XMLNS = xml:get_attr_s("xmlns", Attrs),
case XMLNS of
"" ->
ignore;
_ ->
mnesia:write(
#private_storage{usns = {LUser, LServer, XMLNS},
xml = El})
end;
_ ->
ignore
end.
XMLNS = exmpp_xml:get_ns_as_atom(El),
mnesia:write(#private_storage{usns = {LUser, LServer, XMLNS},
xml = El}).
get_data(LUser, LServer, Els) ->
get_data(LUser, LServer, Els, []).
@ -109,9 +148,7 @@ get_data(LUser, LServer, Els) ->
get_data(_LUser, _LServer, [], Res) ->
lists:reverse(Res);
get_data(LUser, LServer, [El | Els], Res) ->
case El of
{xmlelement, _Name, Attrs, _} ->
XMLNS = xml:get_attr_s("xmlns", Attrs),
XMLNS = exmpp_xml:get_ns_as_atom(El),
case mnesia:dirty_read(private_storage, {LUser, LServer, XMLNS}) of
[R] ->
get_data(LUser, LServer, Els,
@ -119,14 +156,12 @@ get_data(LUser, LServer, [El | Els], Res) ->
[] ->
get_data(LUser, LServer, Els,
[El | Res])
end;
_ ->
get_data(LUser, LServer, Els, Res)
end.
remove_user(User, Server) ->
LUser = jlib:nodeprep(User),
LServer = jlib:nameprep(Server),
try
LUser = exmpp_stringprep:nodeprep(User),
LServer = exmpp_stringprep:nameprep(Server),
F = fun() ->
Namespaces = mnesia:select(
private_storage,
@ -140,14 +175,18 @@ remove_user(User, Server) ->
{LUser, LServer, Namespace}})
end, Namespaces)
end,
mnesia:transaction(F).
mnesia:transaction(F)
catch
_ ->
ok
end.
update_table() ->
Fields = record_info(fields, private_storage),
case mnesia:table_info(private_storage, attributes) of
Fields ->
ok;
convert_to_exmpp();
[userns, xml] ->
?INFO_MSG("Converting private_storage table from "
"{user, default, lists} format", []),
@ -163,10 +202,14 @@ update_table() ->
F1 = fun() ->
mnesia:write_lock_table(mod_private_tmp_table),
mnesia:foldl(
fun(#private_storage{usns = {U, NS}} = R, _) ->
fun(#private_storage{usns = {U, NS}, xml = El} = R, _) ->
NS1 = list_to_atom(NS),
El0 = exmpp_xml:xmlelement_to_xmlel(El,
[?NS_PRIVATE], [{?NS_XMPP, ?NS_XMPP_pfx}]),
El1 = exmpp_xml:remove_whitespaces_deeply(El0),
mnesia:dirty_write(
mod_private_tmp_table,
R#private_storage{usns = {U, Host, NS}})
R#private_storage{usns = {U, Host, NS1}, xml = El1})
end, ok, private_storage)
end,
mnesia:transaction(F1),
@ -186,3 +229,32 @@ update_table() ->
end.
convert_to_exmpp() ->
Fun = fun() ->
case mnesia:first(private_storage) of
'$end_of_table' ->
none;
Key ->
case mnesia:read({private_storage, Key}) of
[#private_storage{xml = #xmlel{}}] ->
none;
[#private_storage{xml = #xmlelement{}}] ->
mnesia:foldl(fun convert_to_exmpp2/2,
done, private_storage, write)
end
end
end,
mnesia:transaction(Fun).
convert_to_exmpp2(#private_storage{usns = {U, S, NS} = Key, xml = El} = R,
Acc) ->
mnesia:delete({private_storage, Key}),
NS1 = list_to_atom(NS),
El0 = exmpp_xml:xmlelement_to_xmlel(El,
[?NS_PRIVATE], [{?NS_XMPP, ?NS_XMPP_pfx}]),
El1 = exmpp_xml:remove_whitespaces_deeply(El0),
New_R = R#private_storage{
usns = {U, S, NS1},
xml = El1},
mnesia:write(New_R),
Acc.

140
src/mod_private_odbc.erl
View File

@ -34,8 +34,9 @@
process_sm_iq/3,
remove_user/2]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("jlib.hrl").
start(Host, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
@ -50,54 +51,94 @@ stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_PRIVATE).
process_sm_iq(From, _To, #iq{type = Type, sub_el = SubEl} = IQ) ->
#jid{luser = LUser, lserver = LServer} = From,
case lists:member(LServer, ?MYHOSTS) of
true ->
{xmlelement, Name, Attrs, Els} = SubEl,
process_sm_iq(From, To, #iq{type = Type} = IQ_Rec) ->
case check_packet(From, To, IQ_Rec) of
ok ->
case Type of
set ->
process_iq_set(From, To, IQ_Rec);
get ->
process_iq_get(From, To, IQ_Rec)
end;
{error, Error} ->
exmpp_iq:error(IQ_Rec, Error)
end.
process_iq_get(From, _To, #iq{payload = SubEl} = IQ_Rec) ->
#jid{lnode = LUser, ldomain = LServer} = From,
case catch get_data(LUser,
LServer,
exmpp_xml:get_child_elements(SubEl)) of
{'EXIT', _Reason} ->
{error, 'internal-server-error'};
Res ->
exmpp_iq:result(IQ_Rec, #xmlel{ns = ?NS_PRIVATE,
name = 'query',
children = Res})
end.
process_iq_set(From, _To, #iq{payload = SubEl} = IQ_Rec) ->
#jid{lnode = LUser, ldomain = LServer} = From,
F = fun() ->
lists:foreach(
fun(El) ->
set_data(LUser, LServer, El)
end, Els)
end, exmpp_xml:get_child_elements(SubEl))
end,
odbc_queries:sql_transaction(LServer, F),
IQ#iq{type = result,
sub_el = [{xmlelement, Name, Attrs, []}]};
get ->
case catch get_data(LUser, LServer, Els) of
{'EXIT', _Reason} ->
IQ#iq{type = error,
sub_el = [SubEl,
?ERR_INTERNAL_SERVER_ERROR]};
Res ->
IQ#iq{type = result,
sub_el = [{xmlelement, Name, Attrs, Res}]}
end
end;
false ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}
exmpp_iq:result(IQ_Rec).
check_packet(From, To, IQ_Rec) ->
check_packet(From, To, IQ_Rec, [ fun check_domain/3,
fun check_user/3,
fun check_ns/3]).
check_packet(_From, _To, _IQ_Rec, []) ->
ok;
check_packet(From, To, IQ_Rec, [F | R]) ->
case F(From, To, IQ_Rec) of
{error, _} = Error -> Error;
ok -> check_packet(From, To, IQ_Rec, R)
end.
check_domain(#jid{ldomain = LServer}, _To, _IQ_Rec) ->
case lists:member(LServer, ?MYHOSTS) of
true -> ok;
false -> {error, 'not-allowed'}
end.
% the iq can't be directed to another jid
check_user(From, To, _IQ_Rec) ->
case exmpp_jid:compare_bare_jids(From, To) of
true -> ok;
false -> {error, 'forbidden'}
end.
%there must be at least one child, and every child should have
%a namespace specified (reject if the namespace is jabber:iq:private,
%the same than the parent element).
check_ns(_From, _To, #iq{payload = SubEl}) ->
case exmpp_xml:get_child_elements(SubEl) of
[] ->
{error, 'not-acceptable'};
Children ->
case lists:any(fun(Child) ->
exmpp_xml:get_ns_as_atom(Child) =:= ?NS_PRIVATE
end, Children) of
true -> {error, 'not-acceptable'};
false -> ok
end
end.
set_data(LUser, LServer, El) ->
case El of
{xmlelement, _Name, Attrs, _Els} ->
XMLNS = xml:get_attr_s("xmlns", Attrs),
case XMLNS of
"" ->
ignore;
_ ->
XMLNS = exmpp_xml:get_ns_as_list(El),
Username = ejabberd_odbc:escape(LUser),
LXMLNS = ejabberd_odbc:escape(XMLNS),
SData = ejabberd_odbc:escape(
lists:flatten(xml:element_to_string(El))),
odbc_queries:set_private_data(LServer, Username, LXMLNS, SData)
end;
_ ->
ignore
end.
SData = ejabberd_odbc:escape(exmpp_xml:document_to_list(El)),
odbc_queries:set_private_data(LServer, Username, LXMLNS, SData).
get_data(LUser, LServer, Els) ->
get_data(LUser, LServer, Els, []).
@ -105,32 +146,31 @@ get_data(LUser, LServer, Els) ->
get_data(_LUser, _LServer, [], Res) ->
lists:reverse(Res);
get_data(LUser, LServer, [El | Els], Res) ->
case El of
{xmlelement, _Name, Attrs, _} ->
XMLNS = xml:get_attr_s("xmlns", Attrs),
XMLNS = exmpp_xml:get_ns_as_list(El),
Username = ejabberd_odbc:escape(LUser),
LXMLNS = ejabberd_odbc:escape(XMLNS),
case catch odbc_queries:get_private_data(LServer, Username, LXMLNS) of
{selected, ["data"], [{SData}]} ->
case xml_stream:parse_element(SData) of
Data when element(1, Data) == xmlelement ->
get_data(LUser, LServer, Els,
[Data | Res])
end;
[Data] = exmpp_xml:parse_document(SData,[namespace,
name_as_atom,
autoload_known]),
get_data(LUser, LServer, Els, [Data | Res]);
%% MREMOND: I wonder when the query could return a vcard ?
{selected, ["vcard"], []} ->
get_data(LUser, LServer, Els,
[El | Res]);
_ ->
get_data(LUser, LServer, Els, [El | Res])
end;
_ ->
get_data(LUser, LServer, Els, Res)
end.
remove_user(User, Server) ->
LUser = jlib:nodeprep(User),
LServer = jlib:nameprep(Server),
try
LUser = exmpp_stringprep:nodeprep(User),
LServer = exmpp_stringprep:nameprep(Server),
Username = ejabberd_odbc:escape(LUser),
odbc_queries:del_user_private_storage(LServer, Username).
odbc_queries:del_user_private_storage(LServer, Username)
catch
_ ->
ok
end.

33
src/mod_version.erl
View File

@ -33,40 +33,39 @@
stop/1,
process_local_iq/3]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("jlib.hrl").
start(Host, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_VERSION,
gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_SOFT_VERSION,
?MODULE, process_local_iq, IQDisc).
stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_VERSION).
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_SOFT_VERSION).
process_local_iq(_From, To, #iq{id = _ID, type = Type,
xmlns = _XMLNS, sub_el = SubEl} = IQ) ->
process_local_iq(_From, To, #iq{type = Type} = IQ_Rec) ->
case Type of
set ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
exmpp_iq:error(IQ_Rec, 'not-allowed');
get ->
Host = To#jid.server,
Host = To#jid.domain,
OS = case gen_mod:get_module_opt(Host, ?MODULE, show_os, true) of
true -> [get_os()];
false -> []
end,
IQ#iq{type = result,
sub_el = [{xmlelement, "query",
[{"xmlns", ?NS_VERSION}],
[{xmlelement, "name", [],
[{xmlcdata, "ejabberd"}]},
{xmlelement, "version", [],
[{xmlcdata, ?VERSION}]}
] ++ OS
}]}
R = #xmlel{ns = ?NS_SOFT_VERSION, name = 'query',
children = [ exmpp_xml:set_cdata(#xmlel{ns = ?NS_SOFT_VERSION,
name = 'name'},
<<"ejabberd">>),
exmpp_xml:set_cdata(#xmlel{ns = ?NS_SOFT_VERSION,
name = 'version'},
?VERSION) | OS]},
exmpp_iq:result(IQ_Rec, R)
end.
@ -87,4 +86,4 @@ get_os() ->
VersionString
end,
OS = OSType ++ " " ++ OSVersion,
{xmlelement, "os", [], [{xmlcdata, OS}]}.
exmpp_xml:set_cdata(#xmlel{ns = ?NS_SOFT_VERSION, name = 'os'}, OS).