/
utils.go
60 lines (51 loc) · 1.03 KB
/
utils.go
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package utils
import (
"bufio"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"os"
"strings"
)
func mustRead(stream io.Reader) (string, error) {
r := bufio.NewReader(stream)
var in string
for {
var err error
in, err = r.ReadString('\n')
if err != io.EOF {
if err != nil {
return "", err
}
}
in = strings.TrimSpace(in)
if len(in) > 0 {
break
}
}
fmt.Println("")
return in, nil
}
// MustReadStdin blocks until input is received from stdin
func MustReadStdin() (string, error) {
return mustRead(os.Stdin)
}
// Encode encodes the input in base64
// It can optionally zip the input before encoding
func Encode(obj interface{}) (string, error) {
b, err := json.Marshal(obj)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(b), nil
}
// Decode decodes the input from base64
// It can optionally unzip the input after decoding
func Decode(in string, obj interface{}) error {
b, err := base64.StdEncoding.DecodeString(in)
if err != nil {
return err
}
return json.Unmarshal(b, obj)
}