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x509_rsa_test_store.go
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x509_rsa_test_store.go
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package signer
import (
"crypto/rand"
"crypto/rsa"
"sync"
"time"
)
type x509RSATestStore struct {
rootCert RSACert
subject *X509Subject
priKey *rsa.PrivateKey
expire time.Time
mu sync.Mutex
source *RSADescriptorCollection
tag string
}
func (s *x509RSATestStore) SetTag(tag string) {
s.mu.Lock()
defer s.mu.Unlock()
s.tag = tag
}
func (s *x509RSATestStore) Tag() string {
return s.tag
}
func (s *x509RSATestStore) Certificate(clientID string) (RSADescriptor, error) {
if s.expire.Unix() > time.Now().Unix() && s.source.AnyClientID(clientID) {
return s.source.FirstClientID(clientID), nil
}
if s.expire.Unix() <= time.Now().Unix() {
err := func() error {
s.mu.Lock()
defer s.mu.Unlock()
if s.expire.Unix() <= time.Now().Unix() {
priKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return err
}
s.priKey = priKey
s.expire = time.Now().Add(time.Hour * 24 * 7)
}
return nil
}()
if err != nil {
return nil, err
}
}
s.mu.Lock()
defer s.mu.Unlock()
if s.source.AnyClientID(clientID) {
return s.source.FirstClientID(clientID), nil
}
issuor := Newx509RSACertIssuor(s.rootCert, s.priKey)
_, err := issuor.Issue(s.subject)
if err != nil {
return nil, err
}
descriptor := Newx509RSADescriptor(clientID, "", s.priKey)
s.source.AddOrReplace(descriptor)
return descriptor, nil
}