portal/account/account.go

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package account
import (
"context"
"crypto/ed25519"
"crypto/rand"
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"errors"
"time"
"git.lumeweb.com/LumeWeb/portal/metadata"
"git.lumeweb.com/LumeWeb/portal/mailer"
"gorm.io/gorm/clause"
"git.lumeweb.com/LumeWeb/portal/config"
"git.lumeweb.com/LumeWeb/portal/db/models"
"go.uber.org/fx"
"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
)
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var (
ErrInvalidOTPCode = errors.New("Invalid OTP code")
)
type AccountServiceParams struct {
fx.In
Db *gorm.DB
Config *config.Manager
Identity ed25519.PrivateKey
Mailer *mailer.Mailer
Metadata metadata.MetadataService
}
var Module = fx.Module("account",
fx.Options(
fx.Provide(NewAccountService),
),
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)
type AccountServiceDefault struct {
db *gorm.DB
config *config.Manager
identity ed25519.PrivateKey
mailer *mailer.Mailer
metadata metadata.MetadataService
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}
func NewAccountService(params AccountServiceParams) *AccountServiceDefault {
return &AccountServiceDefault{db: params.Db, config: params.Config, identity: params.Identity, mailer: params.Mailer, metadata: params.Metadata}
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}
func (s *AccountServiceDefault) EmailExists(email string) (bool, *models.User, error) {
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user := &models.User{}
exists, model, err := s.exists(user, map[string]interface{}{"email": email})
if !exists || err != nil {
return false, nil, err
}
return true, model.(*models.User), nil // Type assertion since `exists` returns interface{}
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}
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func (s *AccountServiceDefault) PubkeyExists(pubkey string) (bool, *models.PublicKey, error) {
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publicKey := &models.PublicKey{}
exists, model, err := s.exists(publicKey, map[string]interface{}{"key": pubkey})
if !exists || err != nil {
return false, nil, err
}
return true, model.(*models.PublicKey), nil // Type assertion is necessary
}
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func (s *AccountServiceDefault) AccountExists(id uint) (bool, *models.User, error) {
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user := &models.User{}
exists, model, err := s.exists(user, map[string]interface{}{"id": id})
if !exists || err != nil {
return false, nil, err
}
return true, model.(*models.User), nil // Ensure to assert the type correctly
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}
func (s *AccountServiceDefault) HashPassword(password string) (string, error) {
bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return "", NewAccountError(ErrKeyHashingFailed, err)
}
return string(bytes), nil
}
func (s *AccountServiceDefault) CreateAccount(email string, password string, verifyEmail bool) (*models.User, error) {
passwordHash, err := s.HashPassword(password)
if err != nil {
return nil, err
}
user := models.User{
Email: email,
PasswordHash: passwordHash,
}
result := s.db.Create(&user)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
return nil, NewAccountError(ErrKeyEmailAlreadyExists, nil)
}
return nil, NewAccountError(ErrKeyAccountCreationFailed, result.Error)
}
if verifyEmail {
err = s.SendEmailVerification(&user)
if err != nil {
return nil, err
}
}
return &user, nil
}
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func (s *AccountServiceDefault) SendEmailVerification(user *models.User) error {
token := GenerateSecurityToken()
var verification models.EmailVerification
verification.UserID = user.ID
verification.Token = token
verification.ExpiresAt = time.Now().Add(time.Hour)
err := s.db.Create(&verification).Error
if err != nil {
return NewAccountError(ErrKeyDatabaseOperationFailed, err)
}
vars := map[string]interface{}{
"FirstName": user.FirstName,
"Email": user.Email,
"VerificationCode": token,
"ExpireTime": verification.ExpiresAt,
"PortalName": s.config.Config().Core.PortalName,
}
return s.mailer.TemplateSend(mailer.TPL_VERIFY_EMAIL, vars, vars, user.Email)
}
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func (s AccountServiceDefault) SendPasswordReset(user *models.User) error {
token := GenerateSecurityToken()
var reset models.PasswordReset
reset.UserID = user.ID
reset.Token = token
reset.ExpiresAt = time.Now().Add(time.Hour)
err := s.db.Create(&reset).Error
if err != nil {
return NewAccountError(ErrKeyDatabaseOperationFailed, err)
}
vars := map[string]interface{}{
"FirstName": user.FirstName,
"Email": user.Email,
"ResetCode": token,
"ExpireTime": reset.ExpiresAt,
"PortalName": s.config.Config().Core.PortalName,
"PortalDomain": s.config.Config().Core.Domain,
}
return s.mailer.TemplateSend(mailer.TPL_PASSWORD_RESET, vars, vars, user.Email)
}
func (s AccountServiceDefault) VerifyEmail(email string, token string) error {
var verification models.EmailVerification
verification.Token = token
result := s.db.Model(&verification).
Preload("User").
Where(&verification).
First(&verification)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return NewAccountError(ErrKeyUserNotFound, result.Error)
}
return NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
if verification.ExpiresAt.Before(time.Now()) {
return NewAccountError(ErrKeySecurityTokenExpired, nil)
}
if len(verification.NewEmail) > 0 && verification.NewEmail != email {
return NewAccountError(ErrKeySecurityInvalidToken, nil)
} else if verification.User.Email != email {
return NewAccountError(ErrKeySecurityInvalidToken, nil)
}
var update models.User
doUpdate := false
if !verification.User.Verified {
update.Verified = true
doUpdate = true
}
if len(verification.NewEmail) > 0 {
update.Email = verification.NewEmail
doUpdate = true
}
if doUpdate {
err := s.updateAccountInfo(verification.UserID, update)
if err != nil {
return err
}
}
verification = models.EmailVerification{
UserID: verification.UserID,
}
if result := s.db.Where(&verification).Delete(&verification); result.Error != nil {
return NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
return nil
}
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func (s AccountServiceDefault) ResetPassword(email string, token string, password string) error {
var reset models.PasswordReset
reset.Token = token
result := s.db.Model(&reset).
Preload("User").
Where(&reset).
First(&reset)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return NewAccountError(ErrKeyUserNotFound, result.Error)
}
return NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
if reset.ExpiresAt.Before(time.Now()) {
return NewAccountError(ErrKeySecurityTokenExpired, nil)
}
if reset.User.Email != email {
return NewAccountError(ErrKeySecurityInvalidToken, nil)
}
passwordHash, err := s.HashPassword(password)
if err != nil {
return err
}
err = s.updateAccountInfo(reset.UserID, models.User{PasswordHash: passwordHash})
if err != nil {
return err
}
reset = models.PasswordReset{
UserID: reset.UserID,
}
if result := s.db.Where(&reset).Delete(&reset); result.Error != nil {
return NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
return nil
}
func (s AccountServiceDefault) UpdateAccountName(userId uint, firstName string, lastName string) error {
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return s.updateAccountInfo(userId, models.User{FirstName: firstName, LastName: lastName})
}
func (s AccountServiceDefault) AddPubkeyToAccount(user models.User, pubkey string) error {
var model models.PublicKey
model.Key = pubkey
model.UserID = user.ID
result := s.db.Create(&model)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
return NewAccountError(ErrKeyPublicKeyExists, result.Error)
}
return NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
return nil
}
func (s AccountServiceDefault) LoginPassword(email string, password string, ip string) (string, *models.User, error) {
valid, user, err := s.ValidLoginByEmail(email, password)
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if err != nil {
return "", nil, err
}
if !valid {
return "", nil, nil
}
token, err := s.doLogin(user, ip, false)
if err != nil {
return "", nil, err
}
return token, user, nil
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}
func (s AccountServiceDefault) LoginOTP(userId uint, code string) (string, error) {
valid, err := s.OTPVerify(userId, code)
if err != nil {
return "", err
}
if !valid {
return "", NewAccountError(ErrKeyInvalidOTPCode, nil)
}
var user models.User
user.ID = userId
token, tokenErr := JWTGenerateToken(s.config.Config().Core.Domain, s.identity, user.ID, JWTPurposeLogin)
if tokenErr != nil {
return "", err
}
return token, nil
}
func (s AccountServiceDefault) ValidLoginByUserObj(user *models.User, password string) bool {
return s.validPassword(user, password)
}
func (s AccountServiceDefault) ValidLoginByEmail(email string, password string) (bool, *models.User, error) {
var user models.User
result := s.db.Model(&models.User{}).Where(&models.User{Email: email}).First(&user)
if result.RowsAffected == 0 || result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return false, nil, NewAccountError(ErrKeyInvalidLogin, result.Error)
}
return false, nil, NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
valid := s.ValidLoginByUserObj(&user, password)
if !valid {
return false, nil, nil
}
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return true, &user, nil
}
func (s AccountServiceDefault) ValidLoginByUserID(id uint, password string) (bool, *models.User, error) {
var user models.User
user.ID = id
result := s.db.Model(&user).Where(&user).First(&user)
if result.RowsAffected == 0 || result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return false, nil, NewAccountError(ErrKeyInvalidLogin, result.Error)
}
return false, nil, NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
valid := s.ValidLoginByUserObj(&user, password)
if !valid {
return false, nil, nil
}
return true, &user, nil
}
func (s AccountServiceDefault) LoginPubkey(pubkey string, ip string) (string, error) {
var model models.PublicKey
result := s.db.Model(&models.PublicKey{}).Preload("User").Where(&models.PublicKey{Key: pubkey}).First(&model)
if result.RowsAffected == 0 || result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return "", NewAccountError(ErrKeyInvalidLogin, result.Error)
}
return "", NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
user := model.User
token, err := s.doLogin(&user, ip, true)
if err != nil {
return "", err
}
return token, nil
}
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func (s AccountServiceDefault) AccountPins(id uint, createdAfter uint64) ([]models.Pin, error) {
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var pins []models.Pin
result := s.db.Model(&models.Pin{}).
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Preload("Upload"). // Preload the related Upload for each Pin
Where(&models.Pin{UserID: id}).
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Where("created_at > ?", createdAfter).
Order("created_at desc").
Find(&pins)
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if result.Error != nil {
return nil, NewAccountError(ErrKeyPinsRetrievalFailed, result.Error)
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}
return pins, nil
}
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func (s AccountServiceDefault) DeletePinByHash(hash []byte, userId uint) error {
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// Define a struct for the query condition
uploadQuery := models.Upload{Hash: hash}
// Retrieve the upload ID for the given hash
var uploadID uint
result := s.db.
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Model(&models.Upload{}).
Where(&uploadQuery).
Select("id").
First(&uploadID)
if result.Error != nil {
if result.Error == gorm.ErrRecordNotFound {
// No record found, nothing to delete
return nil
}
return result.Error
}
// Delete pins with the retrieved upload ID and matching account ID
pinQuery := models.Pin{UploadID: uploadID, UserID: userId}
result = s.db.
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Where(&pinQuery).
Delete(&models.Pin{})
if result.Error != nil {
return result.Error
}
return nil
}
func (s AccountServiceDefault) PinByHash(hash []byte, userId uint) error {
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// Define a struct for the query condition
uploadQuery := models.Upload{Hash: hash}
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result := s.db.
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Model(&uploadQuery).
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Where(&uploadQuery).
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First(&uploadQuery)
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if result.Error != nil {
return result.Error
}
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return s.PinByID(uploadQuery.ID, userId)
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}
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func (s AccountServiceDefault) PinByID(uploadId uint, userId uint) error {
result := s.db.Model(&models.Pin{}).Where(&models.Pin{UploadID: uploadId, UserID: userId}).First(&models.Pin{})
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if result.Error != nil && !errors.Is(result.Error, gorm.ErrRecordNotFound) {
return result.Error
}
if result.RowsAffected > 0 {
return nil
}
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// Create a pin with the retrieved upload ID and matching account ID
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pinQuery := models.Pin{UploadID: uploadId, UserID: userId}
result = s.db.Create(&pinQuery)
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if result.Error != nil {
return result.Error
}
return nil
}
func (s AccountServiceDefault) OTPGenerate(userId uint) (string, error) {
exists, user, err := s.AccountExists(userId)
if !exists || err != nil {
return "", err
}
otp, otpErr := TOTPGenerate(user.Email, s.config.Config().Core.Domain)
if otpErr != nil {
return "", NewAccountError(ErrKeyOTPGenerationFailed, otpErr)
}
err = s.updateAccountInfo(user.ID, models.User{OTPSecret: otp})
return otp, nil
}
func (s AccountServiceDefault) OTPVerify(userId uint, code string) (bool, error) {
exists, user, err := s.AccountExists(userId)
if !exists || err != nil {
return false, err
}
valid := TOTPValidate(user.OTPSecret, code)
if !valid {
return false, nil
}
return true, nil
}
func (s AccountServiceDefault) OTPEnable(userId uint, code string) error {
verify, err := s.OTPVerify(userId, code)
if err != nil {
return err
}
if !verify {
return ErrInvalidOTPCode
}
return s.updateAccountInfo(userId, models.User{OTPEnabled: true})
}
func (s AccountServiceDefault) OTPDisable(userId uint) error {
return s.updateAccountInfo(userId, models.User{OTPEnabled: false, OTPSecret: ""})
}
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func (s AccountServiceDefault) DNSLinkExists(hash []byte) (bool, *models.DNSLink, error) {
upload, err := s.metadata.GetUpload(context.Background(), hash)
if err != nil {
return false, nil, err
}
exists, model, err := s.exists(&models.DNSLink{}, map[string]interface{}{"upload_id": upload.ID})
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if !exists || err != nil {
return false, nil, err
}
pinned, err := s.UploadPinned(hash)
if err != nil {
return false, nil, err
}
if !pinned {
return false, nil, nil
}
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return true, model.(*models.DNSLink), nil
}
func (s AccountServiceDefault) UploadPinned(hash []byte) (bool, error) {
upload, err := s.metadata.GetUpload(context.Background(), hash)
if err != nil {
return false, err
}
var pin models.Pin
result := s.db.Model(&models.Pin{}).Where(&models.Pin{UploadID: upload.ID}).First(&pin)
if result.Error != nil {
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return false, nil
}
return false, result.Error
}
return true, nil
}
func GenerateSecurityToken() string {
const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
b := make([]byte, 6)
_, err := rand.Read(b)
if err != nil {
panic(err)
}
for i := 0; i < 6; i++ {
b[i] = charset[b[i]%byte(len(charset))]
}
return string(b)
}
func (s AccountServiceDefault) doLogin(user *models.User, ip string, bypassSecurity bool) (string, error) {
purpose := JWTPurposeLogin
if user.OTPEnabled && !bypassSecurity {
purpose = JWTPurpose2FA
}
token, jwtErr := JWTGenerateToken(s.config.Config().Core.Domain, s.identity, user.ID, purpose)
if jwtErr != nil {
return "", NewAccountError(ErrKeyJWTGenerationFailed, jwtErr)
}
now := time.Now()
err := s.updateAccountInfo(user.ID, models.User{LastLoginIP: ip, LastLogin: &now})
if err != nil {
return "", err
}
return token, nil
}
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func (s AccountServiceDefault) updateAccountInfo(userId uint, info models.User) error {
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var user models.User
user.ID = userId
result := s.db.Model(&models.User{}).Where(&user).Updates(info)
if result.Error != nil {
return NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
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}
return nil
}
func (s AccountServiceDefault) exists(model interface{}, conditions map[string]interface{}) (bool, interface{}, error) {
// Conduct a query with the provided model and conditions
result := s.db.Preload(clause.Associations).Model(model).Where(conditions).First(model)
// Check if any rows were found
exists := result.RowsAffected > 0
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return false, nil, nil
}
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if exists {
return true, model, nil
}
return false, model, NewAccountError(ErrKeyDatabaseOperationFailed, result.Error)
}
func (s AccountServiceDefault) validPassword(user *models.User, password string) bool {
err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(password))
return err == nil
}