143 lines
3.6 KiB
Go
143 lines
3.6 KiB
Go
package auth
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import (
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"errors"
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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/kataras/iris/v12"
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"github.com/kataras/jwt"
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"go.uber.org/zap"
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"golang.org/x/crypto/bcrypt"
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"strconv"
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"strings"
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"time"
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)
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// verifyPassword compares the provided plaintext password with a hashed password and returns an error if they don't match.
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func verifyPassword(hashedPassword, password string) error {
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err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
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if err != nil {
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return errors.New("invalid email or password")
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}
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return nil
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}
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// generateToken generates a JWT token for the given account ID.
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func generateToken(maxAge time.Duration, ttype string) (string, error) {
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// Define the JWT claims.
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claim := jwt.Claims{
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Expiry: time.Now().Add(time.Hour * 24).Unix(), // Token expires in 24 hours.
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IssuedAt: time.Now().Unix(),
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Audience: []string{ttype},
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}
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token, err := jwt.Sign(jwt.EdDSA, jwtKey, claim, jwt.MaxAge(maxAge))
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if err != nil {
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logger.Get().Error(ErrFailedSignJwt.Error(), zap.Error(err))
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return "", err
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}
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return string(token), nil
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}
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func generateAndSaveLoginToken(accountID uint, maxAge time.Duration) (string, error) {
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// Generate a JWT token for the authenticated user.
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token, err := generateToken(maxAge, "auth")
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if err != nil {
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logger.Get().Error(ErrFailedGenerateToken.Error())
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return "", ErrFailedGenerateToken
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}
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verifiedToken, _ := jwt.Verify(jwt.EdDSA, jwtKey, []byte(token), blocklist)
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var claim *jwt.Claims
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_ = verifiedToken.Claims(&claim)
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// Save the token to the database.
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session := model.LoginSession{
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Account: model.Account{ID: accountID},
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Token: token,
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Expiration: claim.ExpiresAt(),
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}
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existingSession := model.LoginSession{}
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err = db.Get().Where("token = ?", token).First(&existingSession).Error
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if err == nil {
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return token, nil
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}
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if err := db.Get().Create(&session).Error; err != nil {
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if strings.Contains(err.Error(), "Duplicate entry") {
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return token, nil
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}
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logger.Get().Error(ErrFailedSaveToken.Error(), zap.Uint("account_id", accountID), zap.Duration("max_age", maxAge))
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return "", ErrFailedSaveToken
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}
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return token, nil
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}
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func generateAndSaveChallengeToken(accountID uint, maxAge time.Duration) (string, error) {
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// Generate a JWT token for the authenticated user.
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token, err := generateToken(maxAge, "challenge")
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if err != nil {
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logger.Get().Error(ErrFailedGenerateToken.Error(), zap.Error(err))
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return "", ErrFailedGenerateToken
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}
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verifiedToken, err := jwt.Verify(jwt.EdDSA, jwtKey, []byte(token), blocklist)
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if err != nil {
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return "", ErrFailedGenerateToken
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}
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var claim *jwt.Claims
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_ = verifiedToken.Claims(&claim)
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// Save the token to the database.
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keyChallenge := model.KeyChallenge{
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AccountID: accountID,
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Challenge: token,
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Expiration: claim.ExpiresAt(),
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}
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if err := db.Get().Create(&keyChallenge).Error; err != nil {
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logger.Get().Error(ErrFailedSaveToken.Error(), zap.Error(err))
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return "", ErrFailedSaveToken
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}
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return token, nil
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}
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func GetRequestAuthCode(ctx iris.Context) string {
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authHeader := ctx.GetHeader("Authorization")
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if authHeader == "" {
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return ""
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}
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// pure check: authorization header format must be Bearer {token}
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authHeaderParts := strings.Split(authHeader, " ")
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if len(authHeaderParts) != 2 || strings.ToLower(authHeaderParts[0]) != "bearer" {
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return ""
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}
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return authHeaderParts[1]
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}
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func GetCurrentUserId(ctx iris.Context) uint {
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usr := ctx.User()
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if usr == nil {
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return 0
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}
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sid, _ := usr.GetID()
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userID, _ := strconv.Atoi(sid)
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return uint(userID)
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}
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