252 lines
6.1 KiB
Go
252 lines
6.1 KiB
Go
package acme
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"regexp"
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"sync"
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"github.com/containous/traefik/log"
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"github.com/containous/traefik/safe"
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)
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var _ Store = (*LocalStore)(nil)
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// LocalStore Store implementation for local file
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type LocalStore struct {
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filename string
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storedData *StoredData
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SaveDataChan chan *StoredData `json:"-"`
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lock sync.RWMutex
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}
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// NewLocalStore initializes a new LocalStore with a file name
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func NewLocalStore(filename string) *LocalStore {
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store := &LocalStore{filename: filename, SaveDataChan: make(chan *StoredData)}
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store.listenSaveAction()
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return store
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}
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func (s *LocalStore) get() (*StoredData, error) {
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if s.storedData == nil {
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s.storedData = &StoredData{
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HTTPChallenges: make(map[string]map[string][]byte),
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TLSChallenges: make(map[string]*Certificate),
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}
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hasData, err := CheckFile(s.filename)
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if err != nil {
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return nil, err
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}
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if hasData {
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logger := log.WithoutContext().WithField(log.ProviderName, "acme")
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f, err := os.Open(s.filename)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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file, err := ioutil.ReadAll(f)
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if err != nil {
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return nil, err
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}
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if len(file) > 0 {
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if err := json.Unmarshal(file, s.storedData); err != nil {
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return nil, err
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}
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}
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// Check if ACME Account is in ACME V1 format
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if s.storedData.Account != nil && s.storedData.Account.Registration != nil {
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isOldRegistration, err := regexp.MatchString(RegistrationURLPathV1Regexp, s.storedData.Account.Registration.URI)
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if err != nil {
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return nil, err
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}
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if isOldRegistration {
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logger.Debug("Reseting ACME account.")
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s.storedData.Account = nil
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s.SaveDataChan <- s.storedData
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}
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}
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// Delete all certificates with no value
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var certificates []*Certificate
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for _, certificate := range s.storedData.Certificates {
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if len(certificate.Certificate) == 0 || len(certificate.Key) == 0 {
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logger.Debugf("Deleting empty certificate %v for %v", certificate, certificate.Domain.ToStrArray())
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continue
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}
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certificates = append(certificates, certificate)
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}
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if len(certificates) < len(s.storedData.Certificates) {
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s.storedData.Certificates = certificates
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s.SaveDataChan <- s.storedData
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}
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}
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}
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return s.storedData, nil
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}
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// listenSaveAction listens to a chan to store ACME data in json format into LocalStore.filename
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func (s *LocalStore) listenSaveAction() {
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safe.Go(func() {
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logger := log.WithoutContext().WithField(log.ProviderName, "acme")
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for object := range s.SaveDataChan {
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data, err := json.MarshalIndent(object, "", " ")
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if err != nil {
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logger.Error(err)
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}
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err = ioutil.WriteFile(s.filename, data, 0600)
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if err != nil {
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logger.Error(err)
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}
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}
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})
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}
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// GetAccount returns ACME Account
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func (s *LocalStore) GetAccount() (*Account, error) {
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storedData, err := s.get()
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if err != nil {
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return nil, err
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}
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return storedData.Account, nil
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}
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// SaveAccount stores ACME Account
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func (s *LocalStore) SaveAccount(account *Account) error {
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storedData, err := s.get()
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if err != nil {
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return err
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}
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storedData.Account = account
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s.SaveDataChan <- storedData
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return nil
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}
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// GetCertificates returns ACME Certificates list
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func (s *LocalStore) GetCertificates() ([]*Certificate, error) {
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storedData, err := s.get()
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if err != nil {
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return nil, err
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}
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return storedData.Certificates, nil
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}
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// SaveCertificates stores ACME Certificates list
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func (s *LocalStore) SaveCertificates(certificates []*Certificate) error {
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storedData, err := s.get()
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if err != nil {
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return err
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}
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storedData.Certificates = certificates
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s.SaveDataChan <- storedData
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return nil
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}
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// GetHTTPChallengeToken Get the http challenge token from the store
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func (s *LocalStore) GetHTTPChallengeToken(token, domain string) ([]byte, error) {
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s.lock.RLock()
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defer s.lock.RUnlock()
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if s.storedData.HTTPChallenges == nil {
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s.storedData.HTTPChallenges = map[string]map[string][]byte{}
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}
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if _, ok := s.storedData.HTTPChallenges[token]; !ok {
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return nil, fmt.Errorf("cannot find challenge for token %v", token)
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}
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result, ok := s.storedData.HTTPChallenges[token][domain]
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if !ok {
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return nil, fmt.Errorf("cannot find challenge for token %v", token)
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}
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return result, nil
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}
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// SetHTTPChallengeToken Set the http challenge token in the store
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func (s *LocalStore) SetHTTPChallengeToken(token, domain string, keyAuth []byte) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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if s.storedData.HTTPChallenges == nil {
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s.storedData.HTTPChallenges = map[string]map[string][]byte{}
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}
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if _, ok := s.storedData.HTTPChallenges[token]; !ok {
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s.storedData.HTTPChallenges[token] = map[string][]byte{}
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}
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s.storedData.HTTPChallenges[token][domain] = keyAuth
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return nil
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}
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// RemoveHTTPChallengeToken Remove the http challenge token in the store
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func (s *LocalStore) RemoveHTTPChallengeToken(token, domain string) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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if s.storedData.HTTPChallenges == nil {
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return nil
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}
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if _, ok := s.storedData.HTTPChallenges[token]; ok {
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delete(s.storedData.HTTPChallenges[token], domain)
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if len(s.storedData.HTTPChallenges[token]) == 0 {
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delete(s.storedData.HTTPChallenges, token)
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}
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}
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return nil
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}
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// AddTLSChallenge Add a certificate to the ACME TLS-ALPN-01 certificates storage
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func (s *LocalStore) AddTLSChallenge(domain string, cert *Certificate) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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if s.storedData.TLSChallenges == nil {
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s.storedData.TLSChallenges = make(map[string]*Certificate)
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}
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s.storedData.TLSChallenges[domain] = cert
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return nil
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}
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// GetTLSChallenge Get a certificate from the ACME TLS-ALPN-01 certificates storage
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func (s *LocalStore) GetTLSChallenge(domain string) (*Certificate, error) {
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s.lock.Lock()
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defer s.lock.Unlock()
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if s.storedData.TLSChallenges == nil {
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s.storedData.TLSChallenges = make(map[string]*Certificate)
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}
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return s.storedData.TLSChallenges[domain], nil
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}
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// RemoveTLSChallenge Remove a certificate from the ACME TLS-ALPN-01 certificates storage
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func (s *LocalStore) RemoveTLSChallenge(domain string) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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if s.storedData.TLSChallenges == nil {
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return nil
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}
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delete(s.storedData.TLSChallenges, domain)
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return nil
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}
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