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xmpp.chapril.org-ejabberd/src/mod_mix_pam_sql.erl
2024-01-24 22:52:20 +03:00

135 lines
4.6 KiB
Erlang

%%%-------------------------------------------------------------------
%%% Author : Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% Created : 4 Dec 2018 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 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.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_mix_pam_sql).
-behaviour(mod_mix_pam).
%% API
-export([init/2, add_channel/3, get_channel/2,
get_channels/1, del_channel/2, del_channels/1]).
-export([sql_schemas/0]).
-include("logger.hrl").
-include("ejabberd_sql_pt.hrl").
%%%===================================================================
%%% API
%%%===================================================================
init(Host, _Opts) ->
ejabberd_sql_schema:update_schema(Host, ?MODULE, sql_schemas()),
ok.
sql_schemas() ->
[#sql_schema{
version = 1,
tables =
[#sql_table{
name = <<"mix_pam">>,
columns =
[#sql_column{name = <<"username">>, type = text},
#sql_column{name = <<"server_host">>, type = text},
#sql_column{name = <<"channel">>, type = text},
#sql_column{name = <<"service">>, type = text},
#sql_column{name = <<"id">>, type = text},
#sql_column{name = <<"created_at">>, type = timestamp,
default = true}],
indices = [#sql_index{
columns = [<<"username">>, <<"server_host">>,
<<"channel">>, <<"service">>],
unique = true}]}]}].
add_channel(User, Channel, ID) ->
{LUser, LServer, _} = jid:tolower(User),
{Chan, Service, _} = jid:tolower(Channel),
case ?SQL_UPSERT(LServer, "mix_pam",
["!channel=%(Chan)s",
"!service=%(Service)s",
"!username=%(LUser)s",
"!server_host=%(LServer)s",
"id=%(ID)s"]) of
ok -> ok;
_Err -> {error, db_failure}
end.
get_channel(User, Channel) ->
{LUser, LServer, _} = jid:tolower(User),
{Chan, Service, _} = jid:tolower(Channel),
case ejabberd_sql:sql_query(
LServer,
?SQL("select @(id)s from mix_pam where "
"channel=%(Chan)s and service=%(Service)s "
"and username=%(LUser)s and %(LServer)H")) of
{selected, [{ID}]} -> {ok, ID};
{selected, []} -> {error, notfound};
_Err -> {error, db_failure}
end.
get_channels(User) ->
{LUser, LServer, _} = jid:tolower(User),
SQL = ?SQL("select @(channel)s, @(service)s, @(id)s from mix_pam "
"where username=%(LUser)s and %(LServer)H"),
case ejabberd_sql:sql_query(LServer, SQL) of
{selected, Ret} ->
{ok, lists:filtermap(
fun({Chan, Service, ID}) ->
case jid:make(Chan, Service) of
error ->
report_corrupted(SQL),
false;
JID ->
{true, {JID, ID}}
end
end, Ret)};
_Err ->
{error, db_failure}
end.
del_channel(User, Channel) ->
{LUser, LServer, _} = jid:tolower(User),
{Chan, Service, _} = jid:tolower(Channel),
case ejabberd_sql:sql_query(
LServer,
?SQL("delete from mix_pam where "
"channel=%(Chan)s and service=%(Service)s "
"and username=%(LUser)s and %(LServer)H")) of
{updated, _} -> ok;
_Err -> {error, db_failure}
end.
del_channels(User) ->
{LUser, LServer, _} = jid:tolower(User),
case ejabberd_sql:sql_query(
LServer,
?SQL("delete from mix_pam where "
"username=%(LUser)s and %(LServer)H")) of
{updated, _} -> ok;
_Err -> {error, db_failure}
end.
%%%===================================================================
%%% Internal functions
%%%===================================================================
-spec report_corrupted(#sql_query{}) -> ok.
report_corrupted(SQL) ->
?ERROR_MSG("Corrupted values returned by SQL request: ~ts",
[SQL#sql_query.hash]).