55 lines
1.0 KiB
Go
55 lines
1.0 KiB
Go
// internal/auth/jwt.go
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package auth
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import (
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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var secret = []byte("change-me-in-env")
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type Claims struct {
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UserID int64 `json:"user_id"`
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Username string `json:"username"`
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jwt.RegisteredClaims
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}
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func GenerateToken(userID int64, username string) (string, error) {
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now := time.Now()
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claims := Claims{
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UserID: userID,
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Username: username,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(now.Add(24 * time.Hour)),
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IssuedAt: jwt.NewNumericDate(now),
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NotBefore: jwt.NewNumericDate(now),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString(secret)
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}
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func ParseToken(tokenString string) (*Claims, error) {
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token, err := jwt.ParseWithClaims(
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tokenString,
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&Claims{},
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func(token *jwt.Token) (interface{}, error) {
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return secret, nil
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},
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)
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if err != nil {
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return nil, err
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}
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claims, ok := token.Claims.(*Claims)
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if !ok || !token.Valid {
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return nil, jwt.ErrTokenInvalidClaims
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}
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return claims, nil
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}
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