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password.go
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password.go
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package local
import (
"github.com/google/uuid"
"github.com/markdicksonjr/nibbler"
"net/http"
"strings"
"time"
)
func (s *Extension) ResetPasswordTokenHandler(w http.ResponseWriter, r *http.Request) {
if !s.PasswordResetEnabled {
nibbler.Write404Json(w)
return
}
email := r.FormValue("email")
username := r.FormValue("username")
var userValue *nibbler.User
var err error
if email != "" {
userValue, err = s.UserExtension.GetUserByEmail(email)
} else if username != "" {
userValue, err = s.UserExtension.GetUserByUsername(email)
} else {
nibbler.Write500Json(w, "incorrect parameters")
return
}
if err != nil {
nibbler.Write500Json(w, err.Error())
return
}
// user not found, but we want to respond with OK to not give away too much info (i.e. our user list could be brute-forced)
if userValue == nil {
nibbler.Write200Json(w, `{"result": "ok"}`)
return
}
// in the event we looked up the user by anything but email, check that there is an email
if userValue.Email == nil {
nibbler.Write500Json(w, "no email on record")
return
}
// compute password expiration time (defaults to 1 day)
expirationDays := 1
if s.PasswordResetTokenExpirationDays != nil {
expirationDays = *s.PasswordResetTokenExpirationDays
}
// generate reset token with expiration
uuidInstance := uuid.New().String()
expiration := time.Now().AddDate(0, 0, expirationDays)
userValue.PasswordResetToken = &uuidInstance
userValue.PasswordResetExpiration = &expiration
errUpdate := s.UserExtension.Update(userValue)
if errUpdate != nil {
s.app.GetLogger().Error("failed to update user record: " + errUpdate.Error())
nibbler.Write500Json(w, "failed to update user record")
return
}
name := ""
if userValue.FirstName != nil && userValue.LastName != nil {
name = *userValue.FirstName + " " + *userValue.LastName
}
go func() {
// generate the link for the email
var link = s.PasswordResetRedirect
useAmpersand := strings.Contains(s.PasswordResetRedirect, "?")
if useAmpersand {
link += "&token=" + *userValue.PasswordResetToken
} else {
link += "?token=" + *userValue.PasswordResetToken
}
// build the recipient list
emailVal := *userValue.Email
var toList []*nibbler.EmailAddress
toList = append(toList, &nibbler.EmailAddress{Address: emailVal, Name: name})
// send the email
_, err = s.Sender.SendMail(
&nibbler.EmailAddress{
Name: s.PasswordResetFromName,
Address: s.PasswordResetFromEmail,
},
"Password Reset", // TODO: make configurable
toList,
"Please go to "+link+" to reset your password",
"Please go to <a href=\""+link+"\">"+link+"</a> to reset your password",
)
}()
nibbler.Write200Json(w, `{"result": "ok"}`)
}
func (s *Extension) ResetPasswordHandler(w http.ResponseWriter, r *http.Request) {
if !s.PasswordResetEnabled {
nibbler.Write404Json(w)
return
}
password := r.FormValue("password")
token := r.FormValue("token")
userValue, err := s.getUserByPasswordResetTokenAndValidate(token)
if err != nil {
nibbler.Write500Json(w, err.Error())
return
}
if userValue == nil {
nibbler.Write500Json(w, "please try again")
return
}
// at this point, the token is verified
// TODO: check password complexity... make configurable...
*userValue.Password, err = GeneratePasswordHash(password)
if err != nil {
nibbler.Write500Json(w, err.Error())
return
}
(*userValue).PasswordResetToken = nil
(*userValue).PasswordResetExpiration = nil
// TODO: ensure extension sets above props to null, as well
if err = s.UserExtension.UpdatePassword(userValue); err != nil {
nibbler.Write500Json(w, err.Error())
return
}
nibbler.Write200Json(w, `{"result": "ok"}`)
}
func (s *Extension) getUserByPasswordResetTokenAndValidate(token string) (*nibbler.User, error) {
if !s.PasswordResetEnabled {
return nil, nil
}
userValue, err := s.UserExtension.GetUserByPasswordResetToken(token)
if err != nil || userValue == nil {
return nil, nil
}
if userValue.PasswordResetExpiration == nil {
return nil, nil
}
if !(*userValue.PasswordResetExpiration).After(time.Now()) {
return nil, nil
}
return userValue, nil
}