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package httptransport
import (
"crypto/tls"
"crypto/x509"
"io/ioutil"
"net"
"net/http"
"os"
"sync"
log "github.com/sirupsen/logrus"
)
var (
sysPoolOnce = &sync.Once{}
sysPool *x509.CertPool
// Transport can be used with httpclient with TLS and certificates
Transport = &http.Transport{
DialTLS: func(network, addr string) (net.Conn, error) {
return tls.Dial(network, addr, &tls.Config{RootCAs: pool()})
},
Proxy: http.ProxyFromEnvironment,
}
)
// This is here because macOS does not support the SSL_CERT_FILE
// environment variable. We have arrange things to read SSL_CERT_FILE as
// late as possible to avoid conflicts with file descriptor passing at
// startup.
func pool() *x509.CertPool {
sysPoolOnce.Do(loadPool)
return sysPool
}
func loadPool() {
sslCertFile := os.Getenv("SSL_CERT_FILE")
if sslCertFile == "" {
return
}
var err error
sysPool, err = x509.SystemCertPool()
if err != nil {
log.WithError(err).Error("failed to load system cert pool for artifacts client")
return
}
certPem, err := ioutil.ReadFile(sslCertFile)
if err != nil {
log.WithError(err).Error("failed to read SSL_CERT_FILE")
return
}
sysPool.AppendCertsFromPEM(certPem)
}
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