69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package gpaste
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import (
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"fmt"
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"time"
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"git.t-juice.club/torjus/gpaste/users"
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"github.com/golang-jwt/jwt"
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"github.com/google/uuid"
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)
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type AuthService struct {
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users users.UserStore
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hmacSecret []byte
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}
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type Claims struct {
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Role users.Role `json:"role,omitempty"`
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jwt.StandardClaims
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}
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func NewAuthService(store users.UserStore, signingSecret []byte) *AuthService {
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return &AuthService{users: store, hmacSecret: signingSecret}
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}
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func (as *AuthService) Login(username, password string) (string, error) {
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user, err := as.users.Get(username)
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if err != nil {
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return "", err
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}
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if err := user.ValidatePassword(password); err != nil {
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return "", err
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}
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// TODO: Set iss and aud
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claims := new(Claims)
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claims.Subject = user.Username
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claims.ExpiresAt = time.Now().Add(7 * 24 * time.Hour).Unix()
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claims.NotBefore = time.Now().Unix()
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claims.IssuedAt = time.Now().Unix()
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claims.Id = uuid.NewString()
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claims.Role = user.Role
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token := jwt.NewWithClaims(jwt.GetSigningMethod("HS256"), claims)
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signed, err := token.SignedString(as.hmacSecret)
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if err != nil {
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return "", err
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}
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return signed, nil
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}
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func (as *AuthService) ValidateToken(rawToken string) (*Claims, error) {
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claims := &Claims{}
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token, err := jwt.ParseWithClaims(rawToken, claims, func(t *jwt.Token) (interface{}, error) {
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return as.hmacSecret, nil
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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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if !token.Valid {
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return nil, fmt.Errorf("invalid token")
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}
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return claims, nil
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}
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