Files
infisical/k8-operator/internal/util/auth.go
2025-08-08 05:07:43 +04:00

631 lines
24 KiB
Go

package util
import (
"context"
"fmt"
"errors"
corev1 "k8s.io/api/core/v1"
authenticationv1 "k8s.io/api/authentication/v1"
"github.com/Infisical/infisical/k8-operator/api/v1alpha1"
"github.com/aws/smithy-go/ptr"
infisicalSdk "github.com/infisical/go-sdk"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func GetServiceAccountToken(k8sClient client.Client, namespace string, serviceAccountName string, autoCreateServiceAccountToken bool, serviceAccountTokenAudiences []string, isNamespaceScoped bool) (string, error) {
if autoCreateServiceAccountToken {
restClient, err := GetRestClientFromClient()
if err != nil {
return "", fmt.Errorf("failed to get REST client: %w", err)
}
tokenRequest := &authenticationv1.TokenRequest{
Spec: authenticationv1.TokenRequestSpec{
ExpirationSeconds: ptr.Int64(600), // 10 minutes. the token only needs to be valid for when we do the initial k8s login.
},
}
if len(serviceAccountTokenAudiences) > 0 {
// Conditionally add the audiences if they are specified.
// Failing to do this causes a default audience to be used, which is not what we want if the user doesn't specify any.
tokenRequest.Spec.Audiences = serviceAccountTokenAudiences
}
result := &authenticationv1.TokenRequest{}
err = restClient.
Post().
Namespace(namespace).
Resource("serviceaccounts").
Name(serviceAccountName).
SubResource("token").
Body(tokenRequest).
Do(context.Background()).
Into(result)
if err != nil {
return "", fmt.Errorf("failed to create token: %w", err)
}
return result.Status.Token, nil
}
serviceAccount := &corev1.ServiceAccount{}
err := k8sClient.Get(context.TODO(), client.ObjectKey{Name: serviceAccountName, Namespace: namespace}, serviceAccount)
if err != nil {
if IsNamespaceScopedError(err, isNamespaceScoped) {
return "", fmt.Errorf("unable to fetch service account. Your Operator is namespace scoped, and cannot read secrets outside of its namespace. Please ensure the service account is in the same namespace as the operator. [err=%v]", err)
}
return "", err
}
if len(serviceAccount.Secrets) == 0 {
return "", fmt.Errorf("no secrets found for service account %s", serviceAccountName)
}
secretName := serviceAccount.Secrets[0].Name
secret := &corev1.Secret{}
err = k8sClient.Get(context.TODO(), client.ObjectKey{Name: secretName, Namespace: namespace}, secret)
if err != nil {
if IsNamespaceScopedError(err, isNamespaceScoped) {
return "", fmt.Errorf("unable to fetch service account token secret. Your Operator is namespace scoped, and cannot read secrets outside of its namespace. Please ensure the service account token secret is in the same namespace as the operator. [err=%v]", err)
}
return "", err
}
token := secret.Data["token"]
return string(token), nil
}
type AuthStrategyType string
var AuthStrategy = struct {
SERVICE_TOKEN AuthStrategyType
SERVICE_ACCOUNT AuthStrategyType
UNIVERSAL_MACHINE_IDENTITY AuthStrategyType
KUBERNETES_MACHINE_IDENTITY AuthStrategyType
AWS_IAM_MACHINE_IDENTITY AuthStrategyType
AZURE_MACHINE_IDENTITY AuthStrategyType
GCP_ID_TOKEN_MACHINE_IDENTITY AuthStrategyType
GCP_IAM_MACHINE_IDENTITY AuthStrategyType
LDAP_MACHINE_IDENTITY AuthStrategyType
}{
SERVICE_TOKEN: "SERVICE_TOKEN",
SERVICE_ACCOUNT: "SERVICE_ACCOUNT",
UNIVERSAL_MACHINE_IDENTITY: "UNIVERSAL_MACHINE_IDENTITY",
KUBERNETES_MACHINE_IDENTITY: "KUBERNETES_AUTH_MACHINE_IDENTITY",
AWS_IAM_MACHINE_IDENTITY: "AWS_IAM_MACHINE_IDENTITY",
AZURE_MACHINE_IDENTITY: "AZURE_MACHINE_IDENTITY",
GCP_ID_TOKEN_MACHINE_IDENTITY: "GCP_ID_TOKEN_MACHINE_IDENTITY",
GCP_IAM_MACHINE_IDENTITY: "GCP_IAM_MACHINE_IDENTITY",
LDAP_MACHINE_IDENTITY: "LDAP_MACHINE_IDENTITY",
}
type SecretCrdType string
var SecretCrd = struct {
INFISICAL_SECRET SecretCrdType
INFISICAL_PUSH_SECRET SecretCrdType
INFISICAL_DYNAMIC_SECRET SecretCrdType
}{
INFISICAL_SECRET: "INFISICAL_SECRET",
INFISICAL_PUSH_SECRET: "INFISICAL_PUSH_SECRET",
INFISICAL_DYNAMIC_SECRET: "INFISICAL_DYNAMIC_SECRET",
}
type SecretAuthInput struct {
Secret interface{}
Type SecretCrdType
}
type AuthenticationDetails struct {
AuthStrategy AuthStrategyType
MachineIdentityScope v1alpha1.MachineIdentityScopeInWorkspace // This will only be set if a machine identity auth method is used (e.g. UniversalAuth or KubernetesAuth, etc.)
IsMachineIdentityAuth bool
SecretType SecretCrdType
}
var ErrAuthNotApplicable = errors.New("authentication not applicable")
func HandleUniversalAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, isNamespaceScoped bool) (AuthenticationDetails, error) {
var universalAuthSpec v1alpha1.UniversalAuthDetails
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
universalAuthSpec = infisicalSecret.Spec.Authentication.UniversalAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
universalAuthSpec = v1alpha1.UniversalAuthDetails{
CredentialsRef: infisicalPushSecret.Spec.Authentication.UniversalAuth.CredentialsRef,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
universalAuthSpec = v1alpha1.UniversalAuthDetails{
CredentialsRef: infisicalDynamicSecret.Spec.Authentication.UniversalAuth.CredentialsRef,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
}
if universalAuthSpec.CredentialsRef.SecretName == "" || universalAuthSpec.CredentialsRef.SecretNamespace == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
universalAuthKubeSecret, err := GetInfisicalUniversalAuthFromKubeSecret(ctx, reconcilerClient, v1alpha1.KubeSecretReference{
SecretNamespace: universalAuthSpec.CredentialsRef.SecretNamespace,
SecretName: universalAuthSpec.CredentialsRef.SecretName,
}, isNamespaceScoped)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("ReconcileInfisicalSecret: unable to get machine identity creds from kube secret [err=%s]", err)
}
if universalAuthKubeSecret.ClientId == "" && universalAuthKubeSecret.ClientSecret == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
_, err = infisicalClient.Auth().UniversalAuthLogin(universalAuthKubeSecret.ClientId, universalAuthKubeSecret.ClientSecret)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with machine identity credentials [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.UNIVERSAL_MACHINE_IDENTITY,
MachineIdentityScope: universalAuthSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleLdapAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, isNamespaceScoped bool) (AuthenticationDetails, error) {
var ldapAuthSpec v1alpha1.LdapAuthDetails
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
ldapAuthSpec = infisicalSecret.Spec.Authentication.LdapAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
ldapAuthSpec = v1alpha1.LdapAuthDetails{
CredentialsRef: infisicalPushSecret.Spec.Authentication.LdapAuth.CredentialsRef,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
IdentityID: infisicalPushSecret.Spec.Authentication.LdapAuth.IdentityID,
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
ldapAuthSpec = v1alpha1.LdapAuthDetails{
CredentialsRef: infisicalDynamicSecret.Spec.Authentication.LdapAuth.CredentialsRef,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
IdentityID: infisicalDynamicSecret.Spec.Authentication.LdapAuth.IdentityID,
}
}
if ldapAuthSpec.CredentialsRef.SecretName == "" || ldapAuthSpec.CredentialsRef.SecretNamespace == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
ldapAuthKubeSecret, err := GetInfisicalLdapAuthFromKubeSecret(ctx, reconcilerClient, v1alpha1.KubeSecretReference{
SecretNamespace: ldapAuthSpec.CredentialsRef.SecretNamespace,
SecretName: ldapAuthSpec.CredentialsRef.SecretName,
}, isNamespaceScoped)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("ReconcileInfisicalSecret: unable to get machine identity creds from kube secret [err=%s]", err)
}
if ldapAuthKubeSecret.Username == "" && ldapAuthKubeSecret.Password == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
_, err = infisicalClient.Auth().LdapAuthLogin(ldapAuthSpec.IdentityID, ldapAuthKubeSecret.Username, ldapAuthKubeSecret.Password)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with machine identity credentials [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.LDAP_MACHINE_IDENTITY,
MachineIdentityScope: ldapAuthSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleKubernetesAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, isNamespaceScoped bool) (AuthenticationDetails, error) {
var kubernetesAuthSpec v1alpha1.KubernetesAuthDetails
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
kubernetesAuthSpec = infisicalSecret.Spec.Authentication.KubernetesAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
kubernetesAuthSpec = v1alpha1.KubernetesAuthDetails{
IdentityID: infisicalPushSecret.Spec.Authentication.KubernetesAuth.IdentityID,
ServiceAccountRef: v1alpha1.KubernetesServiceAccountRef{
Namespace: infisicalPushSecret.Spec.Authentication.KubernetesAuth.ServiceAccountRef.Namespace,
Name: infisicalPushSecret.Spec.Authentication.KubernetesAuth.ServiceAccountRef.Name,
},
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
AutoCreateServiceAccountToken: infisicalPushSecret.Spec.Authentication.KubernetesAuth.AutoCreateServiceAccountToken,
ServiceAccountTokenAudiences: infisicalPushSecret.Spec.Authentication.KubernetesAuth.ServiceAccountTokenAudiences,
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
kubernetesAuthSpec = v1alpha1.KubernetesAuthDetails{
IdentityID: infisicalDynamicSecret.Spec.Authentication.KubernetesAuth.IdentityID,
ServiceAccountRef: v1alpha1.KubernetesServiceAccountRef{
Namespace: infisicalDynamicSecret.Spec.Authentication.KubernetesAuth.ServiceAccountRef.Namespace,
Name: infisicalDynamicSecret.Spec.Authentication.KubernetesAuth.ServiceAccountRef.Name,
},
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
AutoCreateServiceAccountToken: infisicalDynamicSecret.Spec.Authentication.KubernetesAuth.AutoCreateServiceAccountToken,
ServiceAccountTokenAudiences: infisicalDynamicSecret.Spec.Authentication.KubernetesAuth.ServiceAccountTokenAudiences,
}
}
if kubernetesAuthSpec.IdentityID == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
serviceAccountToken, err := GetServiceAccountToken(
reconcilerClient,
kubernetesAuthSpec.ServiceAccountRef.Namespace,
kubernetesAuthSpec.ServiceAccountRef.Name,
kubernetesAuthSpec.AutoCreateServiceAccountToken,
kubernetesAuthSpec.ServiceAccountTokenAudiences,
isNamespaceScoped,
)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to get service account token [err=%s]", err)
}
_, err = infisicalClient.Auth().KubernetesRawServiceAccountTokenLogin(kubernetesAuthSpec.IdentityID, serviceAccountToken)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with Kubernetes native auth [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.KUBERNETES_MACHINE_IDENTITY,
MachineIdentityScope: kubernetesAuthSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleAwsIamAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, _ bool) (AuthenticationDetails, error) {
awsIamAuthSpec := v1alpha1.AWSIamAuthDetails{}
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
awsIamAuthSpec = infisicalSecret.Spec.Authentication.AwsIamAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
awsIamAuthSpec = v1alpha1.AWSIamAuthDetails{
IdentityID: infisicalPushSecret.Spec.Authentication.AwsIamAuth.IdentityID,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
awsIamAuthSpec = v1alpha1.AWSIamAuthDetails{
IdentityID: infisicalDynamicSecret.Spec.Authentication.AwsIamAuth.IdentityID,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
}
if awsIamAuthSpec.IdentityID == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
_, err := infisicalClient.Auth().AwsIamAuthLogin(awsIamAuthSpec.IdentityID)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with AWS IAM auth [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.AWS_IAM_MACHINE_IDENTITY,
MachineIdentityScope: awsIamAuthSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleAzureAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, _ bool) (AuthenticationDetails, error) {
azureAuthSpec := v1alpha1.AzureAuthDetails{}
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
azureAuthSpec = infisicalSecret.Spec.Authentication.AzureAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
azureAuthSpec = v1alpha1.AzureAuthDetails{
IdentityID: infisicalPushSecret.Spec.Authentication.AzureAuth.IdentityID,
Resource: infisicalPushSecret.Spec.Authentication.AzureAuth.Resource,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
azureAuthSpec = v1alpha1.AzureAuthDetails{
IdentityID: infisicalDynamicSecret.Spec.Authentication.AzureAuth.IdentityID,
Resource: infisicalDynamicSecret.Spec.Authentication.AzureAuth.Resource,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
}
if azureAuthSpec.IdentityID == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
_, err := infisicalClient.Auth().AzureAuthLogin(azureAuthSpec.IdentityID, azureAuthSpec.Resource) // If resource is empty(""), it will default to "https://management.azure.com/" in the SDK.
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with Azure auth [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.AZURE_MACHINE_IDENTITY,
MachineIdentityScope: azureAuthSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleGcpIdTokenAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, _ bool) (AuthenticationDetails, error) {
gcpIdTokenSpec := v1alpha1.GCPIdTokenAuthDetails{}
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
gcpIdTokenSpec = infisicalSecret.Spec.Authentication.GcpIdTokenAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
gcpIdTokenSpec = v1alpha1.GCPIdTokenAuthDetails{
IdentityID: infisicalPushSecret.Spec.Authentication.GcpIdTokenAuth.IdentityID,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
gcpIdTokenSpec = v1alpha1.GCPIdTokenAuthDetails{
IdentityID: infisicalDynamicSecret.Spec.Authentication.GcpIdTokenAuth.IdentityID,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
}
if gcpIdTokenSpec.IdentityID == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
_, err := infisicalClient.Auth().GcpIdTokenAuthLogin(gcpIdTokenSpec.IdentityID)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with GCP Id Token auth [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.GCP_ID_TOKEN_MACHINE_IDENTITY,
MachineIdentityScope: gcpIdTokenSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleGcpIamAuth(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, _ bool) (AuthenticationDetails, error) {
gcpIamSpec := v1alpha1.GcpIamAuthDetails{}
switch secretCrd.Type {
case SecretCrd.INFISICAL_SECRET:
infisicalSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
gcpIamSpec = infisicalSecret.Spec.Authentication.GcpIamAuth
case SecretCrd.INFISICAL_PUSH_SECRET:
infisicalPushSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalPushSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalPushSecret")
}
gcpIamSpec = v1alpha1.GcpIamAuthDetails{
IdentityID: infisicalPushSecret.Spec.Authentication.GcpIamAuth.IdentityID,
ServiceAccountKeyFilePath: infisicalPushSecret.Spec.Authentication.GcpIamAuth.ServiceAccountKeyFilePath,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
case SecretCrd.INFISICAL_DYNAMIC_SECRET:
infisicalDynamicSecret, ok := secretCrd.Secret.(v1alpha1.InfisicalDynamicSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalDynamicSecret")
}
gcpIamSpec = v1alpha1.GcpIamAuthDetails{
IdentityID: infisicalDynamicSecret.Spec.Authentication.GcpIamAuth.IdentityID,
ServiceAccountKeyFilePath: infisicalDynamicSecret.Spec.Authentication.GcpIamAuth.ServiceAccountKeyFilePath,
SecretsScope: v1alpha1.MachineIdentityScopeInWorkspace{},
}
}
if gcpIamSpec.IdentityID == "" && gcpIamSpec.ServiceAccountKeyFilePath == "" {
return AuthenticationDetails{}, ErrAuthNotApplicable
}
_, err := infisicalClient.Auth().GcpIamAuthLogin(gcpIamSpec.IdentityID, gcpIamSpec.ServiceAccountKeyFilePath)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("unable to login with GCP IAM auth [err=%s]", err)
}
return AuthenticationDetails{
AuthStrategy: AuthStrategy.GCP_IAM_MACHINE_IDENTITY,
MachineIdentityScope: gcpIamSpec.SecretsScope,
IsMachineIdentityAuth: true,
SecretType: secretCrd.Type,
}, nil
}
func HandleAuthentication(ctx context.Context, secretInput SecretAuthInput, reconcilerClient client.Client, infisicalClient infisicalSdk.InfisicalClientInterface, isNamespaceScoped bool) (AuthenticationDetails, error) {
// We only support legacy auth for InfisicalSecret CRD
if secretInput.Type == SecretCrd.INFISICAL_SECRET {
infisicalSecret, ok := secretInput.Secret.(v1alpha1.InfisicalSecret)
if !ok {
return AuthenticationDetails{}, errors.New("unable to cast secret to InfisicalSecret")
}
// ? Legacy support, service token auth
infisicalToken, err := GetInfisicalTokenFromKubeSecret(ctx, reconcilerClient, infisicalSecret)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("ReconcileInfisicalSecret: unable to get service token from kube secret [err=%s]", err)
}
if infisicalToken != "" {
infisicalClient.Auth().SetAccessToken(infisicalToken)
return AuthenticationDetails{AuthStrategy: AuthStrategy.SERVICE_TOKEN}, nil
}
// ? Legacy support, service account auth
serviceAccountCreds, err := GetInfisicalServiceAccountCredentialsFromKubeSecret(ctx, reconcilerClient, infisicalSecret)
if err != nil {
return AuthenticationDetails{}, fmt.Errorf("ReconcileInfisicalSecret: unable to get service account creds from kube secret [err=%s]", err)
}
if serviceAccountCreds.AccessKey != "" || serviceAccountCreds.PrivateKey != "" || serviceAccountCreds.PublicKey != "" {
infisicalClient.Auth().SetAccessToken(serviceAccountCreds.AccessKey)
return AuthenticationDetails{AuthStrategy: AuthStrategy.SERVICE_ACCOUNT}, nil
}
}
authStrategies := map[AuthStrategyType]func(ctx context.Context, reconcilerClient client.Client, secretCrd SecretAuthInput, infisicalClient infisicalSdk.InfisicalClientInterface, isNamespaceScoped bool) (AuthenticationDetails, error){
AuthStrategy.UNIVERSAL_MACHINE_IDENTITY: HandleUniversalAuth,
AuthStrategy.KUBERNETES_MACHINE_IDENTITY: HandleKubernetesAuth,
AuthStrategy.AWS_IAM_MACHINE_IDENTITY: HandleAwsIamAuth,
AuthStrategy.AZURE_MACHINE_IDENTITY: HandleAzureAuth,
AuthStrategy.GCP_ID_TOKEN_MACHINE_IDENTITY: HandleGcpIdTokenAuth,
AuthStrategy.GCP_IAM_MACHINE_IDENTITY: HandleGcpIamAuth,
AuthStrategy.LDAP_MACHINE_IDENTITY: HandleLdapAuth,
}
for authStrategy, authHandler := range authStrategies {
authDetails, err := authHandler(ctx, reconcilerClient, secretInput, infisicalClient, isNamespaceScoped)
if err == nil {
return authDetails, nil
}
if !errors.Is(err, ErrAuthNotApplicable) {
return AuthenticationDetails{}, fmt.Errorf("authentication failed for strategy [%s] [err=%w]", authStrategy, err)
}
}
return AuthenticationDetails{}, fmt.Errorf("no authentication method provided")
}