Merge branch 'mix'

1 files changed, 114 insertions, 0 deletions

diff --git a/src/mod_mix_pam_sql.erl b/src/mod_mix_pam_sql.erl
new file mode 100644
index 000000000..eda5966f1
--- /dev/null
+++ b/src/mod_mix_pam_sql.erl
@@ -0,0 +1,114 @@
+%%%-------------------------------------------------------------------
+%%% 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).
+-compile([{parse_transform, ejabberd_sql_pt}]).
+
+%% API
+-export([init/2, add_channel/3, get_channel/2,
+	 get_channels/1, del_channel/2, del_channels/1]).
+
+-include("logger.hrl").
+-include("ejabberd_sql_pt.hrl").
+
+%%%===================================================================
+%%% API
+%%%===================================================================
+init(_Host, _Opts) ->
+    %% TODO
+    ok.
+
+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(iolist()) -> ok.
+report_corrupted(SQL) ->
+    ?ERROR_MSG("Corrupted values returned by SQL request: ~s", [SQL]).