func UserPasswordPOST(w http.ResponseWriter, r *http.Request) {
// Get session
sess := session.Instance(r)
// Validate with required fields
if validate, missingField := view.Validate(r, []string{"passwordold", "passwordnew"}); !validate {
sess.AddFlash(view.Flash{"Field missing: " + missingField, view.FlashError})
sess.Save(r, w)
UserPasswordGET(w, r)
return
}
user_id := int64(sess.Values["id"].(uint32))
// Form values
passwordOld := r.FormValue("passwordold")
passwordNew, errp := passhash.HashString(r.FormValue("passwordnew"))
if passwordOld == r.FormValue("passwordnew") {
sess.AddFlash(view.Flash{"New password cannot be the same as the old password.", view.FlashError})
sess.Save(r, w)
UserPasswordGET(w, r)
return
}
// If password hashing failed
if errp != nil {
log.Println(errp)
sess.AddFlash(view.Flash{"An error occurred on the server. Please try again later.", view.FlashError})
sess.Save(r, w)
UserPasswordGET(w, r)
return
}
// Get database result
result, err := model.UserByEmail(fmt.Sprintf("%v", sess.Values["email"]))
// Determine if user exists
if err == sql.ErrNoRows {
sess.AddFlash(view.Flash{"Password is incorrect.", view.FlashWarning})
sess.Save(r, w)
UserPasswordGET(w, r)
return
} else if err != nil {
// Display error message
log.Println(err)
sess.AddFlash(view.Flash{"There was an error. Please try again later.", view.FlashError})
sess.Save(r, w)
UserPasswordGET(w, r)
return
} else if passhash.MatchString(result.Password, passwordOld) {
err = model.UserPasswordUpdate(user_id, passwordNew)
if err != nil {
log.Println(err)
sess.AddFlash(view.Flash{"There was an error. Please try again later.", view.FlashError})
sess.Save(r, w)
UserPasswordGET(w, r)
return
}
// Password matches
sess.AddFlash(view.Flash{"Password changed!", view.FlashSuccess})
sess.Save(r, w)
http.Redirect(w, r, "/", http.StatusFound)
return
} else {
sess.AddFlash(view.Flash{"Password is incorrect.", view.FlashWarning})
sess.Save(r, w)
UserPasswordGET(w, r)
return
}
}
func LoginPOST(w http.ResponseWriter, r *http.Request) {
// Get session
sess := session.Instance(r)
// Prevent brute force login attempts by not hitting MySQL and pretending like it was invalid :-)
if sess.Values["login_attempt"] != nil && sess.Values["login_attempt"].(int) >= 5 {
log.Println("Brute force login prevented")
sess.AddFlash(view.Flash{"Sorry, no brute force :-)", view.FlashNotice})
sess.Save(r, w)
LoginGET(w, r)
return
}
// Validate with required fields
if validate, missingField := view.Validate(r, []string{"email", "password"}); !validate {
sess.AddFlash(view.Flash{"Field missing: " + missingField, view.FlashError})
sess.Save(r, w)
LoginGET(w, r)
return
}
// Validate with Google reCAPTCHA
if !recaptcha.Verified(r) {
sess.AddFlash(view.Flash{"reCAPTCHA invalid!", view.FlashError})
sess.Save(r, w)
LoginGET(w, r)
return
}
// Form values
email := r.FormValue("email")
password := r.FormValue("password")
// Get database result
result, err := model.UserByEmail(email)
// Determine if user exists
if err == sql.ErrNoRows {
loginAttempt(sess)
sess.AddFlash(view.Flash{"Password is incorrect - Attempt: " + fmt.Sprintf("%v", sess.Values["login_attempt"]), view.FlashWarning})
sess.Save(r, w)
} else if err != nil {
// Display error message
log.Println(err)
sess.AddFlash(view.Flash{"There was an error. Please try again later.", view.FlashError})
sess.Save(r, w)
} else if passhash.MatchString(result.Password, password) {
if result.Status_id == 2 {
// User inactive and display inactive message
sess.AddFlash(view.Flash{"Account is inactive so login is disabled.", view.FlashNotice})
sess.Save(r, w)
} else if result.Status_id == 3 {
// User email not verified
sess.AddFlash(view.Flash{"You must confirm your email before login is allowed.", view.FlashWarning})
sess.Save(r, w)
} else if result.Status_id == 4 {
// User email not re-verified
sess.AddFlash(view.Flash{"You must re-confirm your email before login is allowed.", view.FlashWarning})
sess.Save(r, w)
} else if result.Status_id == 1 {
// Log the login
err = model.UserLoginCreate(int64(result.Id), r)
if err != nil {
log.Println(err)
}
// Login successfully
clearSessionVariables(sess)
sess.AddFlash(view.Flash{"Login successful!", view.FlashSuccess})
sess.Values["id"] = result.Id
sess.Values["email"] = email
sess.Values["first_name"] = result.First_name
sess.Values["last_name"] = result.Last_name
sess.Save(r, w)
http.Redirect(w, r, "/", http.StatusFound)
return
} else {
// User status unknown
sess.AddFlash(view.Flash{"Account status is unknown so login is disabled.", view.FlashNotice})
sess.Save(r, w)
}
} else {
loginAttempt(sess)
sess.AddFlash(view.Flash{"Password is incorrect - Attempt: " + fmt.Sprintf("%v", sess.Values["login_attempt"]), view.FlashWarning})
sess.Save(r, w)
}
// Show the login page again
LoginGET(w, r)
}
