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package main
import (
"code.google.com/p/go.crypto/bcrypt"
"github.com/gorilla/sessions"
"kch42.de/gostuff/mailremind/model"
"log"
"math/rand"
"net/http"
)
type registerData struct {
Error, Success string
Timezones *[]string
}
type registerFormdata struct {
Mail EMail
Password, RetypePassword string
Timezone timelocForm
}
var acCodeAlphabet = []rune("qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM1234567890")
func genAcCode() string {
const codelen = 10
alphalen := len(acCodeAlphabet)
code := make([]rune, codelen)
for i := 0; i < codelen; i++ {
code[i] = acCodeAlphabet[rand.Intn(alphalen)]
}
return string(code)
}
func register(user model.User, sess *sessions.Session, req *http.Request) (interface{}, model.User) {
outdata := ®isterData{Timezones: &timeLocs}
if user != nil {
outdata.Success = "You are already logged in. To register a new account, first log out."
return outdata, user
}
if req.Method != "POST" {
return outdata, user
}
if err := req.ParseForm(); err != nil {
outdata.Error = "Data of form could not be understand. If this happens again, please contact support!"
return outdata, user
}
indata := new(registerFormdata)
if err := formdec.Decode(indata, req.Form); (err != nil) || (indata.Mail == "") || (indata.Timezone.Loc == nil) {
outdata.Error = "Input data wrong or missing. Please fill in all values and make sure to provide a valid E-Mail address."
return outdata, user
}
if indata.Password == "" {
outdata.Error = "Empty passwords are not allowed."
return outdata, user
}
if indata.Password != indata.RetypePassword {
outdata.Error = "Passwords are not identical."
return outdata, user
}
mail := string(indata.Mail)
switch _, err := dbcon.UserByMail(mail); err {
case nil:
outdata.Error = "This E-Mail address is already used."
return outdata, user
case model.NotFound:
default:
log.Printf("Error while checking, if mail is used: %s", err)
outdata.Error = "Internal error, sorry. If this happens again, please contact support!"
return outdata, user
}
acCode := genAcCode()
pwhash, err := bcrypt.GenerateFromPassword([]byte(indata.Password), bcrypt.DefaultCost)
if err != nil {
log.Printf("Error while hashing password: %s", err)
outdata.Error = "Internal error, sorry. If this happens again, please contact support!"
return outdata, user
}
user, err = dbcon.AddUser(mail, pwhash, indata.Timezone.Loc, false, acCode)
if err != nil {
log.Printf("Could not create user (%s): %s", indata.Mail, err)
outdata.Error = "Internal error, sorry. If this happens again, please contact support!"
return outdata, user
}
if !SendActivationcode(mail, acCode, user.ID()) {
outdata.Error = "We could not send you a mail with your confirmation code."
return outdata, user
}
outdata.Success = "Account created successfully! We sent you an E-Mail that contains a link to activate your account."
return outdata, user
}
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