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package client
import (
"bytes"
"encoding/json"
"fmt"
"strings"
"github.com/docker/docker-credential-helpers/credentials"
)
// Store uses an external program to save credentials.
func Store(program ProgramFunc, credentials *credentials.Credentials) error {
cmd := program("store")
buffer := new(bytes.Buffer)
if err := json.NewEncoder(buffer).Encode(credentials); err != nil {
return err
}
cmd.Input(buffer)
out, err := cmd.Output()
if err != nil {
t := strings.TrimSpace(string(out))
return fmt.Errorf("error storing credentials - err: %v, out: `%s`", err, t)
}
return nil
}
// Get executes an external program to get the credentials from a native store.
func Get(program ProgramFunc, serverURL string) (*credentials.Credentials, error) {
cmd := program("get")
cmd.Input(strings.NewReader(serverURL))
out, err := cmd.Output()
if err != nil {
t := strings.TrimSpace(string(out))
if credentials.IsErrCredentialsNotFoundMessage(t) {
return nil, credentials.NewErrCredentialsNotFound()
}
return nil, fmt.Errorf("error getting credentials - err: %v, out: `%s`", err, t)
}
resp := &credentials.Credentials{
ServerURL: serverURL,
}
if err := json.NewDecoder(bytes.NewReader(out)).Decode(resp); err != nil {
return nil, err
}
return resp, nil
}
// Erase executes a program to remove the server credentails from the native store.
func Erase(program ProgramFunc, serverURL string) error {
cmd := program("erase")
cmd.Input(strings.NewReader(serverURL))
out, err := cmd.Output()
if err != nil {
t := strings.TrimSpace(string(out))
return fmt.Errorf("error erasing credentials - err: %v, out: `%s`", err, t)
}
return nil
}
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