Chapril/xmpp.chapril.org-ejabberd
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Support for XEP-0424 "Message Retraction"

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This commit is contained in:
Alexey Shchepin 2023-12-27 08:49:39 +03:00
parent a57bdfffb7
commit a4bb695fc3
7 changed files with 131 additions and 22 deletions
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3
include/mod_mam.hrl
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@ -26,7 +26,8 @@
bare_peer = {<<"">>, <<"">>, <<"">>} :: ljid(),
packet = #xmlel{} :: xmlel() | message(),
nick = <<"">> :: binary(),
type = chat :: chat | groupchat}).
type = chat :: chat | groupchat,
origin_id :: binary()}).
-record(archive_prefs,
{us = {<<"">>, <<"">>} :: {binary(), binary()},

2
mix.exs
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@ -114,7 +114,7 @@ defmodule Ejabberd.MixProject do
{:p1_utils, "~> 1.0"},
{:pkix, "~> 1.0"},
{:stringprep, ">= 1.0.26"},
{:xmpp, git: "https://github.com/processone/xmpp.git", ref: "ded8be8c169487688b11130eda566b1377ab3301", override: true},
{:xmpp, git: "https://github.com/processone/xmpp.git", ref: "26dd833dcf66ebb790d9afe212b7a26f3a6c2328", override: true},
{:yconf, "~> 1.0"}]
++ cond_deps()
end

2
rebar.config
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@ -77,7 +77,7 @@
{stringprep, ".*", {git, "https://github.com/processone/stringprep", {tag, "1.0.29"}}},
{if_var_true, stun,
{stun, ".*", {git, "https://github.com/processone/stun", {tag, "1.2.10"}}}},
{xmpp, ".*", {git, "https://github.com/processone/xmpp", "ded8be8c169487688b11130eda566b1377ab3301"}},
{xmpp, ".*", {git, "https://github.com/processone/xmpp", "26dd833dcf66ebb790d9afe212b7a26f3a6c2328"}},
{yconf, ".*", {git, "https://github.com/processone/yconf", {tag, "1.0.15"}}}
]}.

26
src/mod_mam.erl
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@ -69,7 +69,8 @@
all | chat | groupchat) -> any().
-callback extended_fields() -> [mam_query:property() | #xdata_field{}].
-callback store(xmlel(), binary(), {binary(), binary()}, chat | groupchat,
jid(), binary(), recv | send, integer()) -> ok | any().
jid(), binary(), recv | send, integer(), binary(),
{true, binary()} | false) -> ok | any().
-callback write_prefs(binary(), binary(), #archive_prefs{}, binary()) -> ok | any().
-callback get_prefs(binary(), binary()) -> {ok, #archive_prefs{}} | error | {error, db_failure}.
-callback select(binary(), jid(), jid(), mam_query:result(),
@ -512,6 +513,17 @@ set_stanza_id(Pkt, JID, ID) ->
NewEls = [Archived, StanzaID|xmpp:get_els(Pkt)],
xmpp:set_els(Pkt, NewEls).
-spec get_origin_id(stanza()) -> binary().
get_origin_id(#message{type = groupchat} = Pkt) ->
integer_to_binary(get_stanza_id(Pkt));
get_origin_id(#message{} = Pkt) ->
case xmpp:get_subtag(Pkt, #origin_id{}) of
#origin_id{id = ID} ->
ID;
_ ->
xmpp:get_id(Pkt)
end.
-spec mark_stored_msg(message(), jid()) -> message().
mark_stored_msg(#message{meta = #{stanza_id := ID}} = Pkt, JID) ->
Pkt1 = set_stanza_id(Pkt, JID, integer_to_binary(ID)),
@ -585,7 +597,8 @@ disco_sm_features(empty, From, To, Node, Lang) ->
disco_sm_features({result, OtherFeatures},
#jid{luser = U, lserver = S},
#jid{luser = U, lserver = S}, <<"">>, _Lang) ->
{result, [?NS_MAM_TMP, ?NS_MAM_0, ?NS_MAM_1, ?NS_MAM_2, ?NS_SID_0 |
{result, [?NS_MAM_TMP, ?NS_MAM_0, ?NS_MAM_1, ?NS_MAM_2, ?NS_SID_0,
?NS_MESSAGE_RETRACT |
OtherFeatures]};
disco_sm_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
@ -1038,9 +1051,16 @@ store_mam_message(Pkt, U, S, Peer, Nick, Type, Dir) ->
LServer = ejabberd_router:host_of_route(S),
US = {U, S},
ID = get_stanza_id(Pkt),
OriginID = get_origin_id(Pkt),
Retract = case xmpp:get_subtag(Pkt, #message_retract{}) of
#message_retract{id = RID} when RID /= <<"">> ->
{true, RID};
_ ->
false
end,
El = xmpp:encode(Pkt),
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:store(El, LServer, US, Type, Peer, Nick, Dir, ID),
Mod:store(El, LServer, US, Type, Peer, Nick, Dir, ID, OriginID, Retract),
Pkt.
write_prefs(LUser, LServer, Host, Default, Always, Never) ->

25
src/mod_mam_mnesia.erl
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@ -28,8 +28,10 @@
%% API
-export([init/2, remove_user/2, remove_room/3, delete_old_messages/3,
extended_fields/0, store/8, write_prefs/4, get_prefs/2, select/6, remove_from_archive/3,
is_empty_for_user/2, is_empty_for_room/3, delete_old_messages_batch/5]).
extended_fields/0, store/10, write_prefs/4, get_prefs/2, select/6,
remove_from_archive/3,
is_empty_for_user/2, is_empty_for_room/3, delete_old_messages_batch/5,
transform/1]).
-include_lib("stdlib/include/ms_transform.hrl").
-include_lib("xmpp/include/xmpp.hrl").
@ -187,7 +189,8 @@ delete_old_messages_batch(LServer, TimeStamp, Type, Batch, LastUS) ->
extended_fields() ->
[].
store(Pkt, _, {LUser, LServer}, Type, Peer, Nick, _Dir, TS) ->
store(Pkt, _, {LUser, LServer}, Type, Peer, Nick, _Dir, TS,
OriginID, _Retract) ->
case {mnesia:table_info(archive_msg, disc_only_copies),
mnesia:table_info(archive_msg, memory)} of
{[_|_], TableSize} when TableSize > ?TABLE_SIZE_LIMIT ->
@ -205,7 +208,8 @@ store(Pkt, _, {LUser, LServer}, Type, Peer, Nick, _Dir, TS) ->
bare_peer = {PUser, PServer, <<>>},
type = Type,
nick = Nick,
packet = Pkt})
packet = Pkt,
origin_id = OriginID})
end,
case mnesia:transaction(F) of
{atomic, ok} ->
@ -330,3 +334,16 @@ filter_by_max(Msgs, Len) when is_integer(Len), Len >= 0 ->
{lists:sublist(Msgs, Len), length(Msgs) =< Len};
filter_by_max(_Msgs, _Junk) ->
{[], true}.
transform({archive_msg, US, ID, Timestamp, Peer, BarePeer,
Packet, Nick, Type}) ->
#archive_msg{
us = US,
id = ID,
timestamp = Timestamp,
peer = Peer,
bare_peer = BarePeer,
packet = Packet,
nick = Nick,
type = Type,
origin_id = <<"">>}.

85
src/mod_mam_sql.erl
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@ -29,7 +29,7 @@
%% API
-export([init/2, remove_user/2, remove_room/3, delete_old_messages/3,
extended_fields/0, store/8, write_prefs/4, get_prefs/2, select/7, export/1, remove_from_archive/3,
extended_fields/0, store/10, write_prefs/4, get_prefs/2, select/7, export/1, remove_from_archive/3,
is_empty_for_user/2, is_empty_for_room/3, select_with_mucsub/6,
delete_old_messages_batch/4, count_messages_to_delete/3]).
@ -49,6 +49,61 @@ init(Host, _Opts) ->
schemas() ->
[#sql_schema{
version = 2,
tables =
[#sql_table{
name = <<"archive">>,
columns =
[#sql_column{name = <<"username">>, type = text},
#sql_column{name = <<"server_host">>, type = text},
#sql_column{name = <<"timestamp">>, type = bigint},
#sql_column{name = <<"peer">>, type = text},
#sql_column{name = <<"bare_peer">>, type = text},
#sql_column{name = <<"xml">>, type = {text, big}},
#sql_column{name = <<"txt">>, type = {text, big}},
#sql_column{name = <<"id">>, type = bigserial},
#sql_column{name = <<"kind">>, type = {text, 10}},
#sql_column{name = <<"nick">>, type = text},
#sql_column{name = <<"origin_id">>, type = text},
#sql_column{name = <<"created_at">>, type = timestamp,
default = true}],
indices = [#sql_index{
columns = [<<"server_host">>, <<"username">>, <<"timestamp">>]},
#sql_index{
columns = [<<"server_host">>, <<"username">>, <<"peer">>]},
#sql_index{
columns = [<<"server_host">>, <<"username">>, <<"bare_peer">>]},
#sql_index{
columns = [<<"server_host">>, <<"timestamp">>]},
#sql_index{
columns = [<<"server_host">>, <<"username">>, <<"origin_id">>]}
],
post_create =
fun(mysql, _) ->
ejabberd_sql:sql_query_t(
<<"CREATE FULLTEXT INDEX i_archive_txt ON archive(txt);">>);
(_, _) ->
ok
end},
#sql_table{
name = <<"archive_prefs">>,
columns =
[#sql_column{name = <<"username">>, type = text},
#sql_column{name = <<"server_host">>, type = text},
#sql_column{name = <<"def">>, type = text},
#sql_column{name = <<"always">>, type = text},
#sql_column{name = <<"never">>, type = text},
#sql_column{name = <<"created_at">>, type = timestamp,
default = true}],
indices = [#sql_index{
columns = [<<"server_host">>, <<"username">>],
unique = true}]}],
update =
[{add_column, <<"archive">>, <<"origin_id">>},
{create_index, <<"archive">>,
[<<"server_host">>, <<"username">>, <<"origin_id">>]}
]},
#sql_schema{
version = 1,
tables =
[#sql_table{
@ -200,7 +255,8 @@ delete_old_messages(ServerHost, TimeStamp, Type) ->
extended_fields() ->
[{withtext, <<"">>}].
store(Pkt, LServer, {LUser, LHost}, Type, Peer, Nick, _Dir, TS) ->
store(Pkt, LServer, {LUser, LHost}, Type, Peer, Nick, _Dir, TS,
OriginID, Retract) ->
SUser = case Type of
chat -> LUser;
groupchat -> jid:encode({LUser, LHost, <<>>})
@ -223,6 +279,17 @@ store(Pkt, LServer, {LUser, LHost}, Type, Peer, Nick, _Dir, TS) ->
_ ->
fxml:element_to_binary(Pkt)
end,
case Retract of
{true, RID} ->
ejabberd_sql:sql_query(
LServer,
?SQL("delete from archive"
" where username=%(SUser)s"
" and %(LServer)H"
" and bare_peer=%(BarePeer)s"
" and origin_id=%(RID)s"));
false -> ok
end,
case SqlType of
mssql -> case ejabberd_sql:sql_query(
LServer,
@ -236,7 +303,8 @@ store(Pkt, LServer, {LUser, LHost}, Type, Peer, Nick, _Dir, TS) ->
"xml=N%(XML)s",
"txt=N%(Body)s",
"kind=%(SType)s",
"nick=%(Nick)s"])) of
"nick=%(Nick)s",
"origin_id=%(OriginID)s"])) of
{updated, _} ->
ok;
Err ->
@ -254,7 +322,8 @@ store(Pkt, LServer, {LUser, LHost}, Type, Peer, Nick, _Dir, TS) ->
"xml=%(XML)s",
"txt=%(Body)s",
"kind=%(SType)s",
"nick=%(Nick)s"])) of
"nick=%(Nick)s",
"origin_id=%(OriginID)s"])) of
{updated, _} ->
ok;
Err ->
@ -420,7 +489,7 @@ export(_Server) ->
{archive_msg,
fun([Host | HostTail], #archive_msg{us ={LUser, LServer},
id = _ID, timestamp = TS, peer = Peer,
type = Type, nick = Nick, packet = Pkt})
type = Type, nick = Nick, packet = Pkt, origin_id = OriginID})
when (LServer == Host) or ([LServer] == HostTail) ->
TStmp = misc:now_to_usec(TS),
SUser = case Type of
@ -444,7 +513,8 @@ export(_Server) ->
"xml=N%(XML)s",
"txt=N%(Body)s",
"kind=%(SType)s",
"nick=%(Nick)s"])];
"nick=%(Nick)s",
"origin_id=%(OriginID)s"])];
_ -> [?SQL_INSERT(
"archive",
["username=%(SUser)s",
@ -455,7 +525,8 @@ export(_Server) ->
"xml=%(XML)s",
"txt=%(Body)s",
"kind=%(SType)s",
"nick=%(Nick)s"])]
"nick=%(Nick)s",
"origin_id=%(OriginID)s"])]
end;
(_Host, _R) ->
[]

2
src/mod_muc_room.erl
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@ -5181,7 +5181,7 @@ process_iq_moderate(From, #iq{type = set, lang = Lang},
sub_els = [
#fasten_apply_to{id = Id, sub_els = [
#message_moderated{by = By, reason = Reason,
retract = #message_retract{}}
retract = #message_retract{id = Id}}
]}]},
{FromNick, _Role} = get_participant_data(From, StateData),
Packet = ejabberd_hooks:run_fold(muc_filter_message,