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blobstore_http_client.go
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blobstore_http_client.go
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package httpblobprovider
import (
"crypto/x509"
"net/http"
"github.com/cloudfoundry/bosh-agent/settings"
boshblob "github.com/cloudfoundry/bosh-utils/blobstore"
boshcrypto "github.com/cloudfoundry/bosh-utils/crypto"
boshhttp "github.com/cloudfoundry/bosh-utils/httpclient"
)
func NewBlobstoreHTTPClient(blobstoreSettings settings.Blobstore) (*http.Client, error) {
var certpool *x509.CertPool
caCert := fetchCaCertificate(blobstoreSettings.Options)
if caCert != "" {
var err error
certpool, err = boshcrypto.CertPoolFromPEM([]byte(caCert))
if err != nil {
return nil, err
}
}
if isInternalBlobstore(blobstoreSettings.Type) {
return boshhttp.CreateDefaultClient(certpool), nil
}
return boshhttp.CreateExternalDefaultClient(certpool), nil
}
func isInternalBlobstore(provider string) bool {
switch provider {
case boshblob.BlobstoreTypeDummy, boshblob.BlobstoreTypeLocal, "dav":
return true
default:
return false
}
}
func fetchCaCertificate(options map[string]interface{}) string {
if options == nil {
return ""
}
tls, ok := options["tls"]
if !ok {
return ""
}
tlsMap, ok := tls.(map[string]interface{})
if !ok {
return ""
}
cert, ok := tlsMap["cert"]
if !ok {
return ""
}
certMap, ok := cert.(map[string]interface{})
if !ok {
return ""
}
ca, ok := certMap["ca"].(string)
if !ok {
return ""
}
return ca
}