85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package jwt
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import (
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"context"
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"errors"
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"time"
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"go.b0esche.cloud/backend/internal/database"
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"github.com/golang-jwt/jwt/v4"
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"github.com/google/uuid"
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)
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type Claims struct {
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UserID string `json:"user_id"`
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OrgIDs []string `json:"org_ids"`
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SessionID string `json:"session_id"`
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jwt.RegisteredClaims
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}
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type Manager struct {
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secret []byte
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}
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func NewManager(secret string) *Manager {
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return &Manager{secret: []byte(secret)}
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}
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func (m *Manager) Generate(userID string, orgIDs []string, sessionID string) (string, error) {
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claims := Claims{
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UserID: userID,
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OrgIDs: orgIDs,
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SessionID: sessionID,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(15 * time.Minute)),
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IssuedAt: jwt.NewNumericDate(time.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(m.secret)
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}
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func (m *Manager) Validate(tokenString string) (*Claims, error) {
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token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("unexpected signing method")
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}
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return m.secret, 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 claims, ok := token.Claims.(*Claims); ok && token.Valid {
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return claims, nil
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}
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return nil, errors.New("invalid token")
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}
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func (m *Manager) ValidateWithSession(ctx context.Context, tokenString string, db *database.DB) (*Claims, *database.Session, error) {
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claims, err := m.Validate(tokenString)
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if err != nil {
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return nil, nil, err
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}
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sessionID, err := uuid.Parse(claims.SessionID)
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if err != nil {
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return nil, nil, errors.New("invalid session ID in token")
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}
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session, err := db.GetSession(ctx, sessionID)
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if err != nil {
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return nil, nil, err
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}
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if session.RevokedAt != nil || time.Now().After(session.ExpiresAt) {
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return nil, nil, errors.New("session invalid")
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}
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return claims, session, nil
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}
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