Add DB backend support for ejabberd_oauth

This commit is contained in:
Alexey Shchepin 2016-07-20 16:55:45 +03:00
parent 5d4f8bcf0d
commit 839490b0d9
3 changed files with 120 additions and 36 deletions

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@ -0,0 +1,26 @@
%%%----------------------------------------------------------------------
%%%
%%% ejabberd, Copyright (C) 2002-2016 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.
%%%
%%%----------------------------------------------------------------------
-record(oauth_token, {
token = <<"">> :: binary() | '_',
us = {<<"">>, <<"">>} :: {binary(), binary()} | '_',
scope = [] :: [binary()] | '_',
expire :: integer() | '$1'
}).

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@ -56,6 +56,7 @@
-include("ejabberd_http.hrl").
-include("ejabberd_web_admin.hrl").
-include("ejabberd_oauth.hrl").
-include("ejabberd_commands.hrl").
@ -64,17 +65,12 @@
%% * Using the web form/api results in the token being generated in behalf of the user providing the user/pass
%% * Using the command line and oauth_issue_token command, the token is generated in behalf of ejabberd' sysadmin
%% (as it has access to ejabberd command line).
-record(oauth_token, {
token = {<<"">>, <<"">>} :: {binary(), binary()},
us = {<<"">>, <<"">>} :: {binary(), binary()},
scope = [] :: [binary()],
expire :: integer()
}).
-define(EXPIRE, 3600).
start() ->
init_db(mnesia, ?MYNAME),
DBMod = get_db_backend(),
DBMod:init(),
Expire = expire(),
application:set_env(oauth2, backend, ejabberd_oauth),
application:set_env(oauth2, expiry_time, Expire),
@ -172,15 +168,8 @@ handle_cast(_Msg, State) -> {noreply, State}.
handle_info(clean, State) ->
{MegaSecs, Secs, MiniSecs} = os:timestamp(),
TS = 1000000 * MegaSecs + Secs,
F = fun() ->
Ts = mnesia:select(
oauth_token,
[{#oauth_token{expire = '$1', _ = '_'},
[{'<', '$1', TS}],
['$_']}]),
lists:foreach(fun mnesia:delete_object/1, Ts)
end,
mnesia:async_dirty(F),
DBMod = get_db_backend(),
DBMod:clean(TS),
erlang:send_after(trunc(expire() * 1000 * (1 + MiniSecs / 1000000)),
self(), clean),
{noreply, State};
@ -191,16 +180,6 @@ terminate(_Reason, _State) -> ok.
code_change(_OldVsn, State, _Extra) -> {ok, State}.
init_db(mnesia, _Host) ->
mnesia:create_table(oauth_token,
[{disc_copies, [node()]},
{attributes,
record_info(fields, oauth_token)}]),
mnesia:add_table_copy(oauth_token, node(), disc_copies);
init_db(_, _) ->
ok.
get_client_identity(Client, Ctx) -> {ok, {Ctx, {client, Client}}}.
verify_redirection_uri(_, _, Ctx) -> {ok, Ctx}.
@ -305,7 +284,8 @@ associate_access_token(AccessToken, Context, AppContext) ->
scope = Scope,
expire = Expire
},
mnesia:dirty_write(R),
DBMod = get_db_backend(),
DBMod:store(R),
{ok, AppContext}.
associate_refresh_token(_RefreshToken, _Context, AppContext) ->
@ -315,10 +295,11 @@ associate_refresh_token(_RefreshToken, _Context, AppContext) ->
check_token(User, Server, ScopeList, Token) ->
LUser = jid:nodeprep(User),
LServer = jid:nameprep(Server),
case catch mnesia:dirty_read(oauth_token, Token) of
[#oauth_token{us = {LUser, LServer},
scope = TokenScope,
expire = Expire}] ->
DBMod = get_db_backend(),
case DBMod:lookup(Token) of
#oauth_token{us = {LUser, LServer},
scope = TokenScope,
expire = Expire} ->
{MegaSecs, Secs, _} = os:timestamp(),
TS = 1000000 * MegaSecs + Secs,
TokenScopeSet = oauth2_priv_set:new(TokenScope),
@ -330,10 +311,11 @@ check_token(User, Server, ScopeList, Token) ->
end.
check_token(ScopeList, Token) ->
case catch mnesia:dirty_read(oauth_token, Token) of
[#oauth_token{us = US,
scope = TokenScope,
expire = Expire}] ->
DBMod = get_db_backend(),
case DBMod:lookup(Token) of
#oauth_token{us = US,
scope = TokenScope,
expire = Expire} ->
{MegaSecs, Secs, _} = os:timestamp(),
TS = 1000000 * MegaSecs + Secs,
TokenScopeSet = oauth2_priv_set:new(TokenScope),
@ -548,6 +530,15 @@ process(_Handlers,
process(_Handlers, _Request) ->
ejabberd_web:error(not_found).
-spec get_db_backend() -> module().
get_db_backend() ->
DBType = ejabberd_config:get_option(
oauth_db_type,
fun(T) -> ejabberd_config:v_db(?MODULE, T) end,
mnesia),
list_to_atom("ejabberd_oauth_" ++ atom_to_list(DBType)).
%% Headers as per RFC 6749
json_response(Code, Body) ->
@ -688,4 +679,6 @@ opt_type(oauth_expire) ->
fun(I) when is_integer(I), I >= 0 -> I end;
opt_type(oauth_access) ->
fun acl:access_rules_validator/1;
opt_type(_) -> [oauth_expire, oauth_access].
opt_type(oauth_db_type) ->
fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
opt_type(_) -> [oauth_expire, oauth_access, oauth_db_type].

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@ -0,0 +1,65 @@
%%%-------------------------------------------------------------------
%%% File : ejabberd_oauth_mnesia.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : OAUTH2 mnesia backend
%%% Created : 20 Jul 2016 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2016 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., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%-------------------------------------------------------------------
-module(ejabberd_oauth_mnesia).
-export([init/0,
store/1,
lookup/1,
clean/1]).
-include("ejabberd_oauth.hrl").
init() ->
mnesia:create_table(oauth_token,
[{disc_copies, [node()]},
{attributes,
record_info(fields, oauth_token)}]),
mnesia:add_table_copy(oauth_token, node(), disc_copies),
ok.
store(R) ->
mnesia:dirty_write(R).
lookup(Token) ->
case catch mnesia:dirty_read(oauth_token, Token) of
[R] ->
R;
_ ->
false
end.
clean(TS) ->
F = fun() ->
Ts = mnesia:select(
oauth_token,
[{#oauth_token{expire = '$1', _ = '_'},
[{'<', '$1', TS}],
['$_']}]),
lists:foreach(fun mnesia:delete_object/1, Ts)
end,
mnesia:async_dirty(F).