func InsertHandler(w http.ResponseWriter, r *http.Request) {
var newSubscriber mail.Address
newSubscriber.Name = r.FormValue("Name")
newSubscriber.Address = r.FormValue("Email-id")
if newSubscriber.Address == "" {
fmt.Fprintf(w, "Sorry the email field cannot be left empty")
} else if isPresent(newSubscriber.Address) == true {
fmt.Fprintf(w, "Sorry the email address is already taken")
} else {
AddSubscriber(newSubscriber)
fmt.Fprintf(w, "You have succesfully subscribed")
}
}
// generate hash, either with email address or OpenID
func (v *Libravatar) genHash(email *mail.Address, openid *url.URL) string {
if email != nil {
email.Address = strings.ToLower(strings.TrimSpace(email.Address))
sum := md5.Sum([]byte(email.Address))
return fmt.Sprintf("%x", sum)
} else if openid != nil {
openid.Scheme = strings.ToLower(openid.Scheme)
openid.Host = strings.ToLower(openid.Host)
sum := sha256.Sum256([]byte(openid.String()))
return fmt.Sprintf("%x", sum)
}
// panic, because this should not be reachable
panic("Neither Email or OpenID set")
}
func constructRFC5322(email, name string) string {
m := new(mail.Address)
m.Name = name
m.Address = email
return m.String()
}