130 lines
3.7 KiB
Go
130 lines
3.7 KiB
Go
package controller
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import (
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"crypto/ed25519"
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"encoding/hex"
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"errors"
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"fmt"
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"git.lumeweb.com/LumeWeb/portal/db"
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"git.lumeweb.com/LumeWeb/portal/logger"
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"git.lumeweb.com/LumeWeb/portal/model"
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"github.com/go-ozzo/ozzo-validation/v4"
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"github.com/go-ozzo/ozzo-validation/v4/is"
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"github.com/kataras/iris/v12"
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"go.uber.org/zap"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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"strings"
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)
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type AccountController struct {
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Ctx iris.Context
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}
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type RegisterRequest struct {
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Email string `json:"email"`
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Password string `json:"password"`
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Pubkey string `json:"pubkey"`
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}
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func CheckPubkeyValidator(value interface{}) error {
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p, _ := value.(string)
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pubkeyBytes, err := hex.DecodeString(p)
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if err != nil {
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return err
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}
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if len(pubkeyBytes) != ed25519.PublicKeySize {
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return errors.New(fmt.Sprintf("pubkey must be %d bytes in hexadecimal format", ed25519.PublicKeySize))
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}
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return nil
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}
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func (r RegisterRequest) Validate() error {
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return validation.ValidateStruct(&r,
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validation.Field(&r.Email, validation.Required, is.EmailFormat),
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validation.Field(&r.Pubkey, validation.When(len(r.Password) == 0, validation.Required, validation.By(CheckPubkeyValidator))),
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validation.Field(&r.Password, validation.When(len(r.Pubkey) == 0, validation.Required)),
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)
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}
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func hashPassword(password string) (string, error) {
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// Generate a new bcrypt hash from the provided password.
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hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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logger.Get().Error("failed to hash password", zap.Error(err))
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return "", err
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}
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// Convert the hashed password to a string and return it.
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return string(hashedPassword), nil
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}
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func (a *AccountController) PostRegister() {
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var r RegisterRequest
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if err := a.Ctx.ReadJSON(&r); err != nil {
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logger.Get().Debug("failed to parse request", zap.Error(err))
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a.Ctx.StopWithError(iris.StatusBadRequest, err)
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return
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}
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// Check if an account with the same email address already exists.
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existingAccount := model.Account{}
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err := db.Get().Where("email = ?", r.Email).First(&existingAccount).Error
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if err == nil {
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logger.Get().Debug("account with email already exists", zap.Error(err), zap.String("email", r.Email))
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// An account with the same email address already exists.
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// Return an error response to the client.
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a.Ctx.StopWithError(iris.StatusConflict, errors.New("an account with this email address already exists"))
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return
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} else if !errors.Is(err, gorm.ErrRecordNotFound) {
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logger.Get().Error("error querying accounts", zap.Error(err), zap.String("email", r.Email))
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// An unexpected error occurred while querying the database.
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// Return an error response to the client.
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a.Ctx.StopWithError(iris.StatusInternalServerError, err)
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return
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}
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// Create a new Account model with the provided email and hashed password.
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account := model.Account{
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Email: r.Email,
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}
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// Hash the password before saving it to the database.
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if len(r.Password) > 0 {
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hashedPassword, err := hashPassword(r.Password)
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if err != nil {
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a.Ctx.StopWithError(iris.StatusInternalServerError, err)
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return
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}
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account.Password = &hashedPassword
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}
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err = db.Get().Transaction(func(tx *gorm.DB) error {
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// do some database operations in the transaction (use 'tx' from this point, not 'db')
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if err := tx.Create(&account).Error; err != nil {
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return err
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}
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if len(r.Pubkey) > 0 {
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if err := tx.Create(&model.Key{Account: account, Pubkey: strings.ToLower(r.Pubkey)}).Error; err != nil {
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return err
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}
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}
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// return nil will commit the whole transaction
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return nil
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})
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if err != nil {
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logger.Get().Error("failed to create account", zap.Error(err))
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a.Ctx.StopWithError(iris.StatusInternalServerError, err)
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return
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}
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// Return a success response to the client.
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a.Ctx.StatusCode(iris.StatusCreated)
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}
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