certificates/cas/apiv1/options.go

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package apiv1
import (
"crypto"
"crypto/x509"
"github.com/pkg/errors"
"github.com/smallstep/certificates/kms"
)
// Options represents the configuration options used to select and configure the
// CertificateAuthorityService (CAS) to use.
type Options struct {
// The type of the CAS to use.
Type string `json:"type"`
// CertificateAuthority reference:
// In StepCAS the values is the CA url, e.g. "https://ca.smallstep.com:9000".
// In CloudCAS the format is "projects/*/locations/*/certificateAuthorities/*".
CertificateAuthority string `json:"certificateAuthority,omitempty"`
// CertificateAuthorityFingerprint is the root fingerprint used to
// authenticate the connection to the CA when using StepCAS.
CertificateAuthorityFingerprint string `json:"certificateAuthorityFingerprint,omitempty"`
// CertificateIssuer contains the configuration used in StepCAS.
CertificateIssuer *CertificateIssuer `json:"certificateIssuer,omitempty"`
// Path to the credentials file used in CloudCAS. If not defined the default
// authentication mechanism provided by Google SDK will be used. See
// https://cloud.google.com/docs/authentication.
CredentialsFile string `json:"credentialsFile,omitempty"`
// Certificate and signer are the issuer certificate, along with any other
// bundled certificates to be returned in the chain for consumers, and
// signer used in SoftCAS. They are configured in ca.json crt and key
// properties.
CertificateChain []*x509.Certificate `json:"-"`
Signer crypto.Signer `json:"-"`
// IsCreator is set to true when we're creating a certificate authority. Is
// used to skip some validations when initializing a CertificateAuthority.
IsCreator bool `json:"-"`
// KeyManager is the KMS used to generate keys in SoftCAS.
KeyManager kms.KeyManager `json:"-"`
// Project and Location are parameters used in CloudCAS to create a new
// certificate authority.
Project string `json:"-"`
Location string `json:"-"`
}
// CertificateIssuer contains the properties used to use the StepCAS certificate
// authority service.
type CertificateIssuer struct {
Type string `json:"type"`
Provisioner string `json:"provisioner,omitempty"`
Certificate string `json:"crt,omitempty"`
Key string `json:"key,omitempty"`
}
// Validate checks the fields in Options.
func (o *Options) Validate() error {
var typ Type
if o == nil {
typ = Type(SoftCAS)
} else {
typ = Type(o.Type)
}
// Check that the type can be loaded.
if _, ok := LoadCertificateAuthorityServiceNewFunc(typ); !ok {
return errors.Errorf("unsupported cas type %s", typ)
}
return nil
}
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// Is returns if the options have the given type.
func (o *Options) Is(t Type) bool {
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if o == nil {
return t.String() == SoftCAS
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}
return Type(o.Type).String() == t.String()
}