nats-server/test/user_authorization_test.go

// Copyright 2016-2018 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package test

import (
	"regexp"
	"testing"
)

const DefaultPass = "foo"

var permErrRe = regexp.MustCompile(`\A\-ERR\s+'Permissions Violation([^\r\n]+)\r\n`)

func TestUserAuthorizationProto(t *testing.T) {
	srv, opts := RunServerWithConfig("./configs/authorization.conf")
	defer srv.Shutdown()

	// Alice can do anything, check a few for OK result.
	c := createClientConn(t, opts.Host, opts.Port)
	defer c.Close()
	expectAuthRequired(t, c)
	doAuthConnect(t, c, "", "alice", DefaultPass)
	expectResult(t, c, okRe)
	sendProto(t, c, "PUB foo 2\r\nok\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "SUB foo 1\r\n")
	expectResult(t, c, okRe)

	// Check that we now reserve _SYS.> though for internal, so no clients.
	sendProto(t, c, "PUB _SYS.HB 2\r\nok\r\n")
	expectResult(t, c, permErrRe)

	// Check that _ is ok
	sendProto(t, c, "PUB _ 2\r\nok\r\n")
	expectResult(t, c, okRe)

	c.Close()

	// Bob is a requestor only, e.g. req.foo, req.bar for publish, subscribe only to INBOXes.
	c = createClientConn(t, opts.Host, opts.Port)
	defer c.Close()
	expectAuthRequired(t, c)
	doAuthConnect(t, c, "", "bob", DefaultPass)
	expectResult(t, c, okRe)

	// These should error.
	sendProto(t, c, "SUB foo 1\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "PUB foo 2\r\nok\r\n")
	expectResult(t, c, permErrRe)

	// These should work ok.
	sendProto(t, c, "SUB _INBOX.abcd 1\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "PUB req.foo 2\r\nok\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "PUB req.bar 2\r\nok\r\n")
	expectResult(t, c, okRe)
	c.Close()

	// Joe is a default user
	c = createClientConn(t, opts.Host, opts.Port)
	defer c.Close()
	expectAuthRequired(t, c)
	doAuthConnect(t, c, "", "joe", DefaultPass)
	expectResult(t, c, okRe)

	// These should error.
	sendProto(t, c, "SUB foo.bar.* 1\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "PUB foo.bar.baz 2\r\nok\r\n")
	expectResult(t, c, permErrRe)

	// These should work ok.
	sendProto(t, c, "SUB _INBOX.abcd 1\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "SUB PUBLIC.abcd 1\r\n")
	expectResult(t, c, okRe)

	sendProto(t, c, "PUB SANDBOX.foo 2\r\nok\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "PUB SANDBOX.bar 2\r\nok\r\n")
	expectResult(t, c, okRe)

	// Since only PWC, this should fail (too many tokens).
	sendProto(t, c, "PUB SANDBOX.foo.bar 2\r\nok\r\n")
	expectResult(t, c, permErrRe)

	c.Close()

	// This is the new style permissions with allow and deny clauses.
	c = createClientConn(t, opts.Host, opts.Port)
	defer c.Close()
	expectAuthRequired(t, c)
	doAuthConnect(t, c, "", "ns", DefaultPass)
	expectResult(t, c, okRe)

	// These should work
	sendProto(t, c, "PUB SANDBOX.foo 2\r\nok\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "PUB baz.bar 2\r\nok\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "PUB baz.foo 2\r\nok\r\n")
	expectResult(t, c, okRe)

	// These should error.
	sendProto(t, c, "PUB foo 2\r\nok\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "PUB bar 2\r\nok\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "PUB foo.bar 2\r\nok\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "PUB foo.bar.baz 2\r\nok\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "PUB SYS.1 2\r\nok\r\n")
	expectResult(t, c, permErrRe)

	// Subscriptions

	// These should work ok.
	sendProto(t, c, "SUB foo.bar 1\r\n")
	expectResult(t, c, okRe)
	sendProto(t, c, "SUB foo.foo 1\r\n")
	expectResult(t, c, okRe)

	// These should error.
	sendProto(t, c, "SUB foo 1\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "SUB foo.baz 1\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "SUB foo.baz 1\r\n")
	expectResult(t, c, permErrRe)
	sendProto(t, c, "SUB foo.baz 1\r\n")
	expectResult(t, c, permErrRe)
}