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auth_test.go
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auth_test.go
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package login
import (
"errors"
"testing"
. "github.com/smartystreets/goconvey/convey"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/ldap"
)
func TestAuthenticateUser(t *testing.T) {
Convey("Authenticate user", t, func() {
authScenario("When a user authenticates without setting a password", func(sc *authScenarioContext) {
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(nil, sc)
mockLoginUsingLDAP(false, nil, sc)
loginQuery := models.LoginUserQuery{
Username: "user",
Password: "",
}
err := AuthenticateUser(&loginQuery)
Convey("login should fail", func() {
So(sc.grafanaLoginWasCalled, ShouldBeFalse)
So(sc.ldapLoginWasCalled, ShouldBeFalse)
So(err, ShouldEqual, ErrPasswordEmpty)
})
})
authScenario("When a user authenticates having too many login attempts", func(sc *authScenarioContext) {
mockLoginAttemptValidation(ErrTooManyLoginAttempts, sc)
mockLoginUsingGrafanaDB(nil, sc)
mockLoginUsingLDAP(true, nil, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, ErrTooManyLoginAttempts)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeFalse)
So(sc.ldapLoginWasCalled, ShouldBeFalse)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeFalse)
})
})
authScenario("When grafana user authenticate with valid credentials", func(sc *authScenarioContext) {
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(nil, sc)
mockLoginUsingLDAP(true, ErrInvalidCredentials, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, nil)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeFalse)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeFalse)
})
})
authScenario("When grafana user authenticate and unexpected error occurs", func(sc *authScenarioContext) {
customErr := errors.New("custom")
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(customErr, sc)
mockLoginUsingLDAP(true, ErrInvalidCredentials, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, customErr)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeFalse)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeFalse)
})
})
authScenario("When a non-existing grafana user authenticate and ldap disabled", func(sc *authScenarioContext) {
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(models.ErrUserNotFound, sc)
mockLoginUsingLDAP(false, nil, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, ErrInvalidCredentials)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeTrue)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeFalse)
})
})
authScenario("When a non-existing grafana user authenticate and invalid ldap credentials", func(sc *authScenarioContext) {
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(models.ErrUserNotFound, sc)
mockLoginUsingLDAP(true, ldap.ErrInvalidCredentials, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, ErrInvalidCredentials)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeTrue)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeTrue)
})
})
authScenario("When a non-existing grafana user authenticate and valid ldap credentials", func(sc *authScenarioContext) {
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(models.ErrUserNotFound, sc)
mockLoginUsingLDAP(true, nil, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldBeNil)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeTrue)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeFalse)
})
})
authScenario("When a non-existing grafana user authenticate and ldap returns unexpected error", func(sc *authScenarioContext) {
customErr := errors.New("custom")
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(models.ErrUserNotFound, sc)
mockLoginUsingLDAP(true, customErr, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, customErr)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeTrue)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeFalse)
})
})
authScenario("When grafana user authenticate with invalid credentials and invalid ldap credentials", func(sc *authScenarioContext) {
mockLoginAttemptValidation(nil, sc)
mockLoginUsingGrafanaDB(ErrInvalidCredentials, sc)
mockLoginUsingLDAP(true, ldap.ErrInvalidCredentials, sc)
mockSaveInvalidLoginAttempt(sc)
err := AuthenticateUser(sc.loginUserQuery)
Convey("it should result in", func() {
So(err, ShouldEqual, ErrInvalidCredentials)
So(sc.loginAttemptValidationWasCalled, ShouldBeTrue)
So(sc.grafanaLoginWasCalled, ShouldBeTrue)
So(sc.ldapLoginWasCalled, ShouldBeTrue)
So(sc.saveInvalidLoginAttemptWasCalled, ShouldBeTrue)
})
})
})
}
type authScenarioContext struct {
loginUserQuery *models.LoginUserQuery
grafanaLoginWasCalled bool
ldapLoginWasCalled bool
loginAttemptValidationWasCalled bool
saveInvalidLoginAttemptWasCalled bool
}
type authScenarioFunc func(sc *authScenarioContext)
func mockLoginUsingGrafanaDB(err error, sc *authScenarioContext) {
loginUsingGrafanaDB = func(query *models.LoginUserQuery) error {
sc.grafanaLoginWasCalled = true
return err
}
}
func mockLoginUsingLDAP(enabled bool, err error, sc *authScenarioContext) {
loginUsingLDAP = func(query *models.LoginUserQuery) (bool, error) {
sc.ldapLoginWasCalled = true
return enabled, err
}
}
func mockLoginAttemptValidation(err error, sc *authScenarioContext) {
validateLoginAttempts = func(username string) error {
sc.loginAttemptValidationWasCalled = true
return err
}
}
func mockSaveInvalidLoginAttempt(sc *authScenarioContext) {
saveInvalidLoginAttempt = func(query *models.LoginUserQuery) error {
sc.saveInvalidLoginAttemptWasCalled = true
return nil
}
}
func authScenario(desc string, fn authScenarioFunc) {
Convey(desc, func() {
origLoginUsingGrafanaDB := loginUsingGrafanaDB
origLoginUsingLDAP := loginUsingLDAP
origValidateLoginAttempts := validateLoginAttempts
origSaveInvalidLoginAttempt := saveInvalidLoginAttempt
sc := &authScenarioContext{
loginUserQuery: &models.LoginUserQuery{
Username: "user",
Password: "pwd",
IpAddress: "192.168.1.1:56433",
},
}
defer func() {
loginUsingGrafanaDB = origLoginUsingGrafanaDB
loginUsingLDAP = origLoginUsingLDAP
validateLoginAttempts = origValidateLoginAttempts
saveInvalidLoginAttempt = origSaveInvalidLoginAttempt
}()
fn(sc)
})
}