lego/certificate/authorization.go

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package certificate
import (
"time"
"github.com/xenolf/lego/acme"
"github.com/xenolf/lego/log"
)
const (
// overallRequestLimit is the overall number of request per second
// limited on the "new-reg", "new-authz" and "new-cert" endpoints.
// From the documentation the limitation is 20 requests per second,
// but using 20 as value doesn't work but 18 do
overallRequestLimit = 18
)
func (c *Certifier) getAuthorizations(order acme.ExtendedOrder) ([]acme.Authorization, error) {
resc, errc := make(chan acme.Authorization), make(chan domainError)
delay := time.Second / overallRequestLimit
for _, authzURL := range order.Authorizations {
time.Sleep(delay)
go func(authzURL string) {
authz, err := c.core.Authorizations.Get(authzURL)
if err != nil {
errc <- domainError{Domain: authz.Identifier.Value, Error: err}
return
}
resc <- authz
}(authzURL)
}
var responses []acme.Authorization
failures := make(obtainError)
for i := 0; i < len(order.Authorizations); i++ {
select {
case res := <-resc:
responses = append(responses, res)
case err := <-errc:
failures[err.Domain] = err.Error
}
}
for i, auth := range order.Authorizations {
log.Infof("[%s] AuthURL: %s", order.Identifiers[i].Value, auth)
}
close(resc)
close(errc)
// be careful to not return an empty failures map;
// even if empty, they become non-nil error values
if len(failures) > 0 {
return responses, failures
}
return responses, nil
}
func (c *Certifier) deactivateAuthorizations(order acme.ExtendedOrder) {
for _, auth := range order.Authorizations {
if err := c.core.Authorizations.Deactivate(auth); err != nil {
log.Infof("Unable to deactivated authorizations: %s", auth)
}
}
}