318 lines
11 KiB
Go
318 lines
11 KiB
Go
package backends
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import (
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"testing"
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. "github.com/iegomez/mosquitto-go-auth/backends/constants"
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"github.com/iegomez/mosquitto-go-auth/hashing"
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log "github.com/sirupsen/logrus"
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. "github.com/smartystreets/goconvey/convey"
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)
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func TestMysql(t *testing.T) {
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//Initialize Mysql without mandatory values (fail).
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authOpts := make(map[string]string)
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authOpts["mysql_host"] = "localhost"
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authOpts["mysql_port"] = "3306"
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authOpts["mysql_protocol"] = "tcp"
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authOpts["mysql_allow_native_passwords"] = "true"
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Convey("If mandatory params are not set initialization should fail", t, func() {
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_, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeError)
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})
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//Initialize Mysql with some test values (omit tls).
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authOpts["mysql_dbname"] = "go_auth_test"
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authOpts["mysql_user"] = "go_auth_test"
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authOpts["mysql_password"] = "go_auth_test"
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authOpts["mysql_userquery"] = "SELECT password_hash FROM test_user WHERE username = ? limit 1"
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authOpts["mysql_superquery"] = "select count(*) from test_user where username = ? and is_admin = true"
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authOpts["mysql_aclquery"] = "SELECT test_acl.topic FROM test_acl, test_user WHERE test_user.username = ? AND test_acl.test_user_id = test_user.id AND (rw >= ? or rw = 3)"
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Convey("Given valid params NewMysql should return a Mysql backend instance", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeNil)
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//Empty db
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mysql.DB.MustExec("delete from test_user where 1 = 1")
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mysql.DB.MustExec("delete from test_acl where 1 = 1")
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//Insert a user to test auth
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username := "test"
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userPass := "testpw"
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//Hash generated by the pw utility
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userPassHash := "PBKDF2$sha512$100000$os24lcPr9cJt2QDVWssblQ==$BK1BQ2wbwU1zNxv3Ml3wLuu5//hPop3/LvaPYjjCwdBvnpwusnukJPpcXQzyyjOlZdieXTx6sXAcX4WnZRZZnw=="
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wrongUsername := "not_present"
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insertQuery := "INSERT INTO test_user(username, password_hash, is_admin) values(?, ?, ?)"
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var userID int64
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res, err := mysql.DB.Exec(insertQuery, username, userPassHash, true)
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So(err, ShouldBeNil)
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userID, err = res.LastInsertId()
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So(err, ShouldBeNil)
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So(userID, ShouldBeGreaterThan, 0)
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Convey("Given a username and a correct password, it should correctly authenticate it", func() {
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authenticated, err := mysql.GetUser(username, userPass, "")
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So(err, ShouldBeNil)
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So(authenticated, ShouldBeTrue)
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})
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Convey("Given a username and an incorrect password, it should not authenticate it", func() {
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authenticated, err := mysql.GetUser(username, "wrong_password", "")
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So(err, ShouldBeNil)
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So(authenticated, ShouldBeFalse)
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})
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Convey("Given a wrong username, it should not authenticate it and not return error", func() {
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authenticated, err := mysql.GetUser(wrongUsername, "whatever_password", "")
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So(err, ShouldBeNil)
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So(authenticated, ShouldBeFalse)
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})
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Convey("Given a username that is admin, super user should pass", func() {
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superuser, err := mysql.GetSuperuser(username)
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So(err, ShouldBeNil)
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So(superuser, ShouldBeTrue)
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})
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Convey("Given a wrong username, super user should not return error", func() {
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superuser, err := mysql.GetSuperuser(wrongUsername)
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So(err, ShouldBeNil)
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So(superuser, ShouldBeFalse)
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})
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//Now create some acls and test topics
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strictAcl := "test/topic/1"
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singleLevelAcl := "test/topic/+"
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hierarchyAcl := "test/#"
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userPattern := "test/%u"
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clientPattern := "test/%c"
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clientID := "test_client"
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var aclID int64
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aclQuery := "INSERT INTO test_acl(test_user_id, topic, rw) values(?, ?, ?)"
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res, err = mysql.DB.Exec(aclQuery, userID, strictAcl, MOSQ_ACL_READ)
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So(err, ShouldBeNil)
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aclID, err = res.LastInsertId()
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So(err, ShouldBeNil)
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So(aclID, ShouldBeGreaterThan, 0)
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Convey("Given only strict acl in db, an exact match should work and and inexact one not", func() {
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testTopic1 := `test/topic/1`
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testTopic2 := `test/topic/2`
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tt1, err1 := mysql.CheckAcl(username, testTopic1, clientID, MOSQ_ACL_READ)
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tt2, err2 := mysql.CheckAcl(username, testTopic2, clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(err2, ShouldBeNil)
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So(tt1, ShouldBeTrue)
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So(tt2, ShouldBeFalse)
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})
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Convey("Given read only privileges, a pub check should fail", func() {
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testTopic1 := "test/topic/1"
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tt1, err1 := mysql.CheckAcl(username, testTopic1, clientID, MOSQ_ACL_WRITE)
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So(err1, ShouldBeNil)
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So(tt1, ShouldBeFalse)
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})
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Convey("Given wildcard subscriptions against strict db acl, acl checks should fail", func() {
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tt1, err1 := mysql.CheckAcl(username, singleLevelAcl, clientID, MOSQ_ACL_READ)
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tt2, err2 := mysql.CheckAcl(username, hierarchyAcl, clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(err2, ShouldBeNil)
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So(tt1, ShouldBeFalse)
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So(tt2, ShouldBeFalse)
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})
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//Now check against patterns.
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_, err = mysql.DB.Exec(aclQuery, userID, userPattern, MOSQ_ACL_READ)
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So(err, ShouldBeNil)
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Convey("Given a topic that mentions username, acl check should pass", func() {
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tt1, err1 := mysql.CheckAcl(username, "test/test", clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(tt1, ShouldBeTrue)
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})
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_, err = mysql.DB.Exec(aclQuery, userID, clientPattern, MOSQ_ACL_READ)
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So(err, ShouldBeNil)
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Convey("Given a topic that mentions clientid, acl check should pass", func() {
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tt1, err1 := mysql.CheckAcl(username, "test/test_client", clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(tt1, ShouldBeTrue)
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})
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//Now insert single level topic to check against.
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_, err = mysql.DB.Exec(aclQuery, userID, singleLevelAcl, MOSQ_ACL_READ)
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So(err, ShouldBeNil)
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Convey("Given a topic not strictly present that matches a db single level wildcard, acl check should pass", func() {
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tt1, err1 := mysql.CheckAcl(username, "test/topic/whatever", clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(tt1, ShouldBeTrue)
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})
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//Now insert hierarchy wildcard to check against.
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_, err = mysql.DB.Exec(aclQuery, userID, hierarchyAcl, MOSQ_ACL_READ)
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So(err, ShouldBeNil)
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Convey("Given a topic not strictly present that matches a hierarchy wildcard, acl check should pass", func() {
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tt1, err1 := mysql.CheckAcl(username, "test/what/ever", clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(tt1, ShouldBeTrue)
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})
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Convey("Given a bad username, acl check should not return error", func() {
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testTopic1 := `test/topic/1`
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tt1, err1 := mysql.CheckAcl(wrongUsername, testTopic1, clientID, MOSQ_ACL_READ)
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So(err1, ShouldBeNil)
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So(tt1, ShouldBeFalse)
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})
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//Empty db
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mysql.DB.MustExec("delete from test_user where 1 = 1")
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mysql.DB.MustExec("delete from test_acl where 1 = 1")
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mysql.Halt()
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})
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}
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func TestMysqlTls(t *testing.T) {
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authOpts := make(map[string]string)
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authOpts["mysql_host"] = "localhost"
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authOpts["mysql_port"] = "3306"
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authOpts["mysql_protocol"] = "tcp"
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authOpts["mysql_allow_native_passwords"] = "true"
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authOpts["mysql_dbname"] = "go_auth_test"
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authOpts["mysql_user"] = "go_auth_test_tls"
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authOpts["mysql_password"] = "go_auth_test_tls"
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authOpts["mysql_userquery"] = "SELECT password_hash FROM test_user WHERE username = ? limit 1"
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authOpts["mysql_superquery"] = "select count(*) from test_user where username = ? and is_admin = true"
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authOpts["mysql_aclquery"] = "SELECT test_acl.topic FROM test_acl, test_user WHERE test_user.username = ? AND test_acl.test_user_id = test_user.id AND (rw >= ? or rw = 3)"
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Convey("Given custom ssl disabled, it should fail", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeError)
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So(err.Error(), ShouldContainSubstring, "Access denied for user")
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So(mysql.DB, ShouldBeNil)
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})
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authOpts["mysql_sslmode"] = "custom"
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authOpts["mysql_sslrootcert"] = "/test-files/certificates/ca.pem"
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Convey("Given custom ssl enabled, it should work without a client certificate", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeNil)
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rows, err := mysql.DB.Query("SHOW status like 'Ssl_cipher';")
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So(err, ShouldBeNil)
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So(rows.Next(), ShouldBeTrue)
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var variableName string
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var variableValue string
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err = rows.Scan(&variableName, &variableValue)
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So(err, ShouldBeNil)
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So(variableName, ShouldEqual, "Ssl_cipher")
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So(variableValue, ShouldNotBeBlank)
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})
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}
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func TestMysqlMutualTls(t *testing.T) {
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authOpts := make(map[string]string)
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authOpts["mysql_host"] = "localhost"
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authOpts["mysql_port"] = "3306"
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authOpts["mysql_protocol"] = "tcp"
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authOpts["mysql_allow_native_passwords"] = "true"
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authOpts["mysql_dbname"] = "go_auth_test"
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authOpts["mysql_user"] = "go_auth_test_mutual_tls"
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authOpts["mysql_password"] = "go_auth_test_mutual_tls"
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authOpts["mysql_userquery"] = "SELECT password_hash FROM test_user WHERE username = ? limit 1"
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authOpts["mysql_superquery"] = "select count(*) from test_user where username = ? and is_admin = true"
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authOpts["mysql_aclquery"] = "SELECT test_acl.topic FROM test_acl, test_user WHERE test_user.username = ? AND test_acl.test_user_id = test_user.id AND (rw >= ? or rw = 3)"
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authOpts["mysql_sslmode"] = "custom"
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authOpts["mysql_sslrootcert"] = "/test-files/certificates/ca.pem"
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Convey("Given custom ssl enabled and no client certificate is given, it should fail", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeError)
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So(err.Error(), ShouldContainSubstring, "Access denied for user")
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So(mysql.DB, ShouldBeNil)
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})
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authOpts["mysql_sslcert"] = "/test-files/certificates/db/unauthorized-second-client.pem"
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authOpts["mysql_sslkey"] = "/test-files/certificates/db/unauthorized-second-client-key.pem"
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Convey("Given custom ssl enabled and unauthorized client certificate is given, it should fail", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeError)
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So(err.Error(), ShouldContainSubstring, "Access denied for user")
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So(mysql.DB, ShouldBeNil)
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})
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authOpts["mysql_sslcert"] = "/test-files/certificates/grpc/client.pem"
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authOpts["mysql_sslkey"] = "/test-files/certificates/grpc/client-key.pem"
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Convey("Given custom ssl enabled and invalid client certificate is given, it should fail", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeError)
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So(err.Error(), ShouldContainSubstring, "invalid connection")
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So(mysql.DB, ShouldBeNil)
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})
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authOpts["mysql_sslcert"] = "/test-files/certificates/db/client.pem"
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authOpts["mysql_sslkey"] = "/test-files/certificates/db/client-key.pem"
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Convey("Given custom ssl enabled and client certificate is given, it should work", t, func() {
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mysql, err := NewMysql(authOpts, log.DebugLevel, hashing.NewHasher(authOpts, "mysql"))
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So(err, ShouldBeNil)
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rows, err := mysql.DB.Query("SHOW status like 'Ssl_cipher';")
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So(err, ShouldBeNil)
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So(rows.Next(), ShouldBeTrue)
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var variableName string
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var variableValue string
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err = rows.Scan(&variableName, &variableValue)
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So(err, ShouldBeNil)
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So(variableName, ShouldEqual, "Ssl_cipher")
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So(variableValue, ShouldNotBeBlank)
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})
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}
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