164 	if not grant.tokens then

   164 	if not grant.tokens then

   165 		module:log("debug", "Token grant without tokens, cleaning up");

   165 		module:log("debug", "Token grant without tokens, cleaning up");

   166 		token_store:set_key(username, grant.id, nil);

   166 		token_store:set_key(username, grant.id, nil);

   167 		return nil, "invalid";

   167 		return nil, "invalid";

   168 	end

   168 	end

   169 	for secret_hash, token_info in pairs(grant.tokens) do

   171 	for secret_hash, token_info in pairs(grant.tokens) do

   171 		if token_info.expires and token_info.expires < now then

   172 		if token_info.expires and token_info.expires < now then

   172 			module:log("debug", "Token has expired, cleaning it up");

   173 			module:log("debug", "Token has expired, cleaning it up");

   173 			grant.tokens[secret_hash] = nil;

   174 			grant.tokens[secret_hash] = nil;

   174 			found_expired = true;

   175 			found_expired = true;

   175 		end

   176 		end

   179 	end

   177 	end

   180 

   178 

   181 	if not grant.expires and next(grant.tokens) == nil and grant.accessed + empty_grant_lifetime < now then

   179 	if not grant.expires and next(grant.tokens) == nil and grant.accessed + empty_grant_lifetime < now then

   182 		module:log("debug", "Token grant has no tokens, discarding");

   180 		module:log("debug", "Token grant has no tokens, discarding");

   183 		token_store:set_key(username, grant.id, nil);

   181 		token_store:set_key(username, grant.id, nil);

   184 		return nil, "expired";

   182 		return nil, "expired";

   185 	end

   185 	end

   186 

   186 

   187 	return grant;

   187 	return grant;

   188 end

   188 end

   189 

   189