// Sign signs the given data and returns the data plus the signature
// as a string. See Signer documentation for the characteristics of
// the returned string.
func (s *Signer) Sign(data []byte) (string, error) {
signature, err := s.sign(data)
if err != nil {
return "", err
}
return base64.Encode(data) + ":" + base64.Encode(signature), nil
}
// SetOpts works like Set(), but accepts an Options parameter.
func (c *Cookies) SetOpts(name string, value interface{}, o *Options) error {
data, err := c.c.Encode(value)
if err != nil {
return err
}
return c.set(name, base64.Encode(data), o)
}
func profileHeader(ctx *Context) string {
data, _ := json.Marshal(getProfileInfo(ctx))
var buf bytes.Buffer
w, _ := flate.NewWriter(&buf, flate.DefaultCompression)
w.Write(data)
w.Close()
return base64.Encode(buf.Bytes())
}
func (c *Cookies) encode(value interface{}, t transformer) (string, error) {
data, err := c.c.Encode(value)
if err != nil {
return "", err
}
if t != nil {
data, err = t(data)
if err != nil {
return "", err
}
}
return base64.Encode(data), nil
}