97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
package authority
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import (
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"crypto/sha256"
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realx509 "crypto/x509"
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"encoding/hex"
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"sync"
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"time"
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"github.com/smallstep/cli/crypto/pemutil"
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"github.com/smallstep/cli/crypto/x509util"
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)
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// Authority implements the Certificate Authority internal interface.
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type Authority struct {
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config *Config
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rootX509Crt *realx509.Certificate
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intermediateIdentity *x509util.Identity
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validateOnce bool
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certificates *sync.Map
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ottMap *sync.Map
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startTime time.Time
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provisionerIDIndex *sync.Map
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encryptedKeyIndex *sync.Map
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provisionerKeySetIndex *sync.Map
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// Do not re-initialize
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initOnce bool
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}
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// New creates and initiates a new Authority type.
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func New(config *Config) (*Authority, error) {
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if err := config.Validate(); err != nil {
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return nil, err
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}
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var a = &Authority{
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config: config,
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certificates: new(sync.Map),
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ottMap: new(sync.Map),
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provisionerIDIndex: new(sync.Map),
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encryptedKeyIndex: new(sync.Map),
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provisionerKeySetIndex: new(sync.Map),
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}
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if err := a.init(); err != nil {
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return nil, err
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}
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return a, nil
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}
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// init performs validation and initializes the fields of an Authority struct.
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func (a *Authority) init() error {
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// Check if handler has already been validated/initialized.
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if a.initOnce {
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return nil
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}
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var err error
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// First load the root using our modified pem/x509 package.
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a.rootX509Crt, err = pemutil.ReadCertificate(a.config.Root)
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if err != nil {
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return err
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}
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// Add root certificate to the certificate map
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sum := sha256.Sum256(a.rootX509Crt.Raw)
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a.certificates.Store(hex.EncodeToString(sum[:]), a.rootX509Crt)
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// Decrypt and load intermediate public / private key pair.
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if len(a.config.Password) > 0 {
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a.intermediateIdentity, err = x509util.LoadIdentityFromDisk(
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a.config.IntermediateCert,
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a.config.IntermediateKey,
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pemutil.WithPassword([]byte(a.config.Password)),
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)
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if err != nil {
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return err
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}
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} else {
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a.intermediateIdentity, err = x509util.LoadIdentityFromDisk(a.config.IntermediateCert, a.config.IntermediateKey)
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if err != nil {
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return err
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}
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}
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for _, p := range a.config.AuthorityConfig.Provisioners {
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a.provisionerIDIndex.Store(p.Key.KeyID, p)
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if len(p.EncryptedKey) != 0 {
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a.encryptedKeyIndex.Store(p.Key.KeyID, p.EncryptedKey)
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}
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}
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a.startTime = time.Now()
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// Set flag indicating that initialization has been completed, and should
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// not be repeated.
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a.initOnce = true
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return nil
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}
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