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fix(authz): placeholder regular replace

This commit is contained in:
JimMoen 2021-11-24 09:57:52 +08:00
parent 060962700e
commit d7c7292321
3 changed files with 5 additions and 3 deletions
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2
apps/emqx_authz/include/emqx_authz.hrl
View File

@ -68,6 +68,8 @@
-define(CONF_KEY_PATH, [authorization, sources]).
-define(RE_PLACEHOLDER, "\\$\\{[a-z0-9\\-]+\\}").
-define(USERNAME_RULES_EXAMPLE, #{username => user1,
rules => [ #{topic => <<"test/toopic/1">>,
permission => <<"allow">>,

4
apps/emqx_authz/src/emqx_authz_mysql.erl
View File

@ -38,10 +38,10 @@ description() ->
parse_query(undefined) ->
undefined;
parse_query(Sql) ->
case re:run(Sql, "'%[ucCad]'", [global, {capture, all, list}]) of
case re:run(Sql, ?RE_PLACEHOLDER, [global, {capture, all, list}]) of
{match, Variables} ->
Params = [Var || [Var] <- Variables],
{re:replace(Sql, "'%[ucCad]'", "?", [global, {return, list}]), Params};
{re:replace(Sql, ?RE_PLACEHOLDER, "?", [global, {return, list}]), Params};
nomatch ->
{Sql, []}
end.

2
apps/emqx_authz/src/emqx_authz_postgresql.erl
View File

@ -38,7 +38,7 @@ description() ->
parse_query(undefined) ->
undefined;
parse_query(Sql) ->
case re:run(Sql, "'%[ucCad]'", [global, {capture, all, list}]) of
case re:run(Sql, ?RE_PLACEHOLDER, [global, {capture, all, list}]) of
{match, Variables} ->
Params = [Var || [Var] <- Variables],
Vars = ["$" ++ integer_to_list(I) || I <- lists:seq(1, length(Params))],