mirror of
https://github.com/zitadel/zitadel.git
synced 2024-12-13 19:44:21 +00:00
333 lines
12 KiB
Go
333 lines
12 KiB
Go
package eventstore
|
|
|
|
import (
|
|
"context"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/zitadel/logging"
|
|
"github.com/zitadel/oidc/v2/pkg/oidc"
|
|
"github.com/zitadel/oidc/v2/pkg/op"
|
|
"gopkg.in/square/go-jose.v2"
|
|
|
|
"github.com/zitadel/zitadel/internal/api/authz"
|
|
http_util "github.com/zitadel/zitadel/internal/api/http"
|
|
"github.com/zitadel/zitadel/internal/authz/repository/eventsourcing/view"
|
|
"github.com/zitadel/zitadel/internal/command"
|
|
"github.com/zitadel/zitadel/internal/crypto"
|
|
"github.com/zitadel/zitadel/internal/domain"
|
|
caos_errs "github.com/zitadel/zitadel/internal/errors"
|
|
v1 "github.com/zitadel/zitadel/internal/eventstore/v1"
|
|
"github.com/zitadel/zitadel/internal/eventstore/v1/models"
|
|
"github.com/zitadel/zitadel/internal/query"
|
|
"github.com/zitadel/zitadel/internal/telemetry/tracing"
|
|
usr_model "github.com/zitadel/zitadel/internal/user/model"
|
|
usr_view "github.com/zitadel/zitadel/internal/user/repository/view"
|
|
"github.com/zitadel/zitadel/internal/user/repository/view/model"
|
|
)
|
|
|
|
type TokenVerifierRepo struct {
|
|
TokenVerificationKey crypto.EncryptionAlgorithm
|
|
Eventstore v1.Eventstore
|
|
View *view.View
|
|
Query *query.Queries
|
|
ExternalSecure bool
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) Health() error {
|
|
return repo.View.Health()
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) tokenByID(ctx context.Context, tokenID, userID string) (_ *usr_model.TokenView, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
|
|
instanceID := authz.GetInstance(ctx).InstanceID()
|
|
token, viewErr := repo.View.TokenByIDs(tokenID, userID, instanceID)
|
|
if viewErr != nil && !caos_errs.IsNotFound(viewErr) {
|
|
return nil, viewErr
|
|
}
|
|
if caos_errs.IsNotFound(viewErr) {
|
|
sequence, err := repo.View.GetLatestTokenSequence(ctx, instanceID)
|
|
logging.WithFields("instanceID", instanceID, "userID", userID, "tokenID", tokenID).
|
|
OnError(err).
|
|
Errorf("could not get current sequence for token check")
|
|
|
|
token = new(model.TokenView)
|
|
token.ID = tokenID
|
|
token.UserID = userID
|
|
if sequence != nil {
|
|
token.Sequence = sequence.CurrentSequence
|
|
}
|
|
}
|
|
|
|
events, esErr := repo.getUserEvents(ctx, userID, instanceID, token.Sequence, token.GetRelevantEventTypes())
|
|
if caos_errs.IsNotFound(viewErr) && len(events) == 0 {
|
|
return nil, caos_errs.ThrowNotFound(nil, "EVENT-4T90g", "Errors.Token.NotFound")
|
|
}
|
|
|
|
if esErr != nil {
|
|
logging.WithError(viewErr).WithField("traceID", tracing.TraceIDFromCtx(ctx)).Debug("error retrieving new events")
|
|
return model.TokenViewToModel(token), nil
|
|
}
|
|
viewToken := *token
|
|
for _, event := range events {
|
|
err := token.AppendEventIfMyToken(event)
|
|
if err != nil {
|
|
return model.TokenViewToModel(&viewToken), nil
|
|
}
|
|
}
|
|
if !token.Expiration.After(time.Now().UTC()) || token.Deactivated {
|
|
return nil, caos_errs.ThrowNotFound(nil, "EVENT-5Bm9s", "Errors.Token.NotFound")
|
|
}
|
|
return model.TokenViewToModel(token), nil
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) VerifyAccessToken(ctx context.Context, tokenString, verifierClientID, projectID string) (userID string, agentID string, clientID, prefLang, resourceOwner string, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
|
|
tokenID, subject, ok := repo.getTokenIDAndSubject(ctx, tokenString)
|
|
if !ok {
|
|
return "", "", "", "", "", caos_errs.ThrowUnauthenticated(nil, "APP-Reb32", "invalid token")
|
|
}
|
|
if strings.HasPrefix(tokenID, command.IDPrefixV2) {
|
|
userID, clientID, resourceOwner, err = repo.verifyAccessTokenV2(ctx, tokenID, verifierClientID, projectID)
|
|
return
|
|
}
|
|
if sessionID, ok := strings.CutPrefix(tokenID, authz.SessionTokenPrefix); ok {
|
|
userID, clientID, resourceOwner, err = repo.verifySessionToken(ctx, sessionID, tokenString)
|
|
return
|
|
}
|
|
return repo.verifyAccessTokenV1(ctx, tokenID, subject, verifierClientID, projectID)
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) verifyAccessTokenV1(ctx context.Context, tokenID, subject, verifierClientID, projectID string) (userID string, agentID string, clientID, prefLang, resourceOwner string, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
|
|
_, tokenSpan := tracing.NewNamedSpan(ctx, "token")
|
|
token, err := repo.tokenByID(ctx, tokenID, subject)
|
|
tokenSpan.EndWithError(err)
|
|
if err != nil {
|
|
return "", "", "", "", "", caos_errs.ThrowUnauthenticated(err, "APP-BxUSiL", "invalid token")
|
|
}
|
|
if !token.Expiration.After(time.Now().UTC()) {
|
|
return "", "", "", "", "", caos_errs.ThrowUnauthenticated(err, "APP-k9KS0", "invalid token")
|
|
}
|
|
if token.IsPAT {
|
|
return token.UserID, "", "", "", token.ResourceOwner, nil
|
|
}
|
|
if err = verifyAudience(token.Audience, verifierClientID, projectID); err != nil {
|
|
return "", "", "", "", "", err
|
|
}
|
|
return token.UserID, token.UserAgentID, token.ApplicationID, token.PreferredLanguage, token.ResourceOwner, nil
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) verifyAccessTokenV2(ctx context.Context, token, verifierClientID, projectID string) (userID, clientID, resourceOwner string, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
|
|
activeToken, err := repo.Query.ActiveAccessTokenByToken(ctx, token)
|
|
if err != nil {
|
|
return "", "", "", err
|
|
}
|
|
if err = verifyAudience(activeToken.Audience, verifierClientID, projectID); err != nil {
|
|
return "", "", "", err
|
|
}
|
|
if err = repo.checkAuthentication(ctx, activeToken.AuthMethods, activeToken.UserID); err != nil {
|
|
return "", "", "", err
|
|
}
|
|
return activeToken.UserID, activeToken.ClientID, activeToken.ResourceOwner, nil
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) verifySessionToken(ctx context.Context, sessionID, token string) (userID, clientID, resourceOwner string, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
|
|
session, err := repo.Query.SessionByID(ctx, true, sessionID, token)
|
|
if err != nil {
|
|
return "", "", "", err
|
|
}
|
|
if err = repo.checkAuthentication(ctx, authMethodsFromSession(session), session.UserFactor.UserID); err != nil {
|
|
return "", "", "", err
|
|
}
|
|
return session.UserFactor.UserID, "", session.UserFactor.ResourceOwner, nil
|
|
}
|
|
|
|
// checkAuthentication ensures the session or token was authenticated (at least a single [domain.UserAuthMethodType]).
|
|
// It will also check if there was a multi factor authentication, if either MFA is forced by the login policy or if the user has set up any
|
|
func (repo *TokenVerifierRepo) checkAuthentication(ctx context.Context, authMethods []domain.UserAuthMethodType, userID string) error {
|
|
if len(authMethods) == 0 {
|
|
return caos_errs.ThrowPermissionDenied(nil, "AUTHZ-Kl3p0", "authentication required")
|
|
}
|
|
if domain.HasMFA(authMethods) {
|
|
return nil
|
|
}
|
|
availableAuthMethods, forceMFA, forceMFALocalOnly, err := repo.Query.ListUserAuthMethodTypesRequired(setCallerCtx(ctx, userID), userID, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if domain.RequiresMFA(forceMFA, forceMFALocalOnly, hasIDPAuthentication(authMethods)) || domain.HasMFA(availableAuthMethods) {
|
|
return caos_errs.ThrowPermissionDenied(nil, "AUTHZ-Kl3p0", "mfa required")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func hasIDPAuthentication(authMethods []domain.UserAuthMethodType) bool {
|
|
for _, method := range authMethods {
|
|
if method == domain.UserAuthMethodTypeIDP {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func authMethodsFromSession(session *query.Session) []domain.UserAuthMethodType {
|
|
types := make([]domain.UserAuthMethodType, 0, domain.UserAuthMethodTypeIDP)
|
|
if !session.PasswordFactor.PasswordCheckedAt.IsZero() {
|
|
types = append(types, domain.UserAuthMethodTypePassword)
|
|
}
|
|
if !session.WebAuthNFactor.WebAuthNCheckedAt.IsZero() {
|
|
if session.WebAuthNFactor.UserVerified {
|
|
types = append(types, domain.UserAuthMethodTypePasswordless)
|
|
} else {
|
|
types = append(types, domain.UserAuthMethodTypeU2F)
|
|
}
|
|
}
|
|
if !session.IntentFactor.IntentCheckedAt.IsZero() {
|
|
types = append(types, domain.UserAuthMethodTypeIDP)
|
|
}
|
|
if !session.TOTPFactor.TOTPCheckedAt.IsZero() {
|
|
types = append(types, domain.UserAuthMethodTypeTOTP)
|
|
}
|
|
if !session.OTPSMSFactor.OTPCheckedAt.IsZero() {
|
|
types = append(types, domain.UserAuthMethodTypeOTPSMS)
|
|
}
|
|
if !session.OTPEmailFactor.OTPCheckedAt.IsZero() {
|
|
types = append(types, domain.UserAuthMethodTypeOTPEmail)
|
|
}
|
|
return types
|
|
}
|
|
|
|
func setCallerCtx(ctx context.Context, userID string) context.Context {
|
|
ctxData := authz.GetCtxData(ctx)
|
|
ctxData.UserID = userID
|
|
return authz.SetCtxData(ctx, ctxData)
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) ProjectIDAndOriginsByClientID(ctx context.Context, clientID string) (projectID string, origins []string, err error) {
|
|
app, err := repo.View.ApplicationByOIDCClientID(ctx, clientID)
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
return app.ProjectID, app.OIDCConfig.AllowedOrigins, nil
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) VerifierClientID(ctx context.Context, appName string) (clientID, projectID string, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
|
|
app, err := repo.View.ApplicationByProjecIDAndAppName(ctx, authz.GetInstance(ctx).ProjectID(), appName)
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
if app.OIDCConfig != nil {
|
|
clientID = app.OIDCConfig.ClientID
|
|
} else if app.APIConfig != nil {
|
|
clientID = app.APIConfig.ClientID
|
|
}
|
|
return clientID, app.ProjectID, nil
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) getUserEvents(ctx context.Context, userID, instanceID string, sequence uint64, eventTypes []models.EventType) (_ []*models.Event, err error) {
|
|
ctx, span := tracing.NewSpan(ctx)
|
|
defer func() { span.EndWithError(err) }()
|
|
query, err := usr_view.UserByIDQuery(userID, instanceID, sequence, eventTypes)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return repo.Eventstore.FilterEvents(ctx, query)
|
|
}
|
|
|
|
// getTokenIDAndSubject returns the TokenID and Subject of both opaque tokens and JWTs
|
|
func (repo *TokenVerifierRepo) getTokenIDAndSubject(ctx context.Context, accessToken string) (tokenID string, subject string, valid bool) {
|
|
// accessToken can be either opaque or JWT
|
|
// let's try opaque first:
|
|
tokenIDSubject, err := repo.decryptAccessToken(accessToken)
|
|
if err != nil {
|
|
// if decryption did not work, it might be a JWT
|
|
accessTokenClaims, err := op.VerifyAccessToken[*oidc.AccessTokenClaims](ctx, accessToken, repo.jwtTokenVerifier(ctx))
|
|
if err != nil {
|
|
return "", "", false
|
|
}
|
|
return accessTokenClaims.JWTID, accessTokenClaims.Subject, true
|
|
}
|
|
splitToken := strings.Split(tokenIDSubject, ":")
|
|
if len(splitToken) != 2 {
|
|
return "", "", false
|
|
}
|
|
return splitToken[0], splitToken[1], true
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) jwtTokenVerifier(ctx context.Context) op.AccessTokenVerifier {
|
|
keySet := &openIDKeySet{repo.Query}
|
|
issuer := http_util.BuildOrigin(authz.GetInstance(ctx).RequestedHost(), repo.ExternalSecure)
|
|
return op.NewAccessTokenVerifier(issuer, keySet)
|
|
}
|
|
|
|
func (repo *TokenVerifierRepo) decryptAccessToken(token string) (string, error) {
|
|
tokenData, err := base64.RawURLEncoding.DecodeString(token)
|
|
if err != nil {
|
|
return "", caos_errs.ThrowUnauthenticated(nil, "APP-ASdgg", "invalid token")
|
|
}
|
|
tokenIDSubject, err := repo.TokenVerificationKey.DecryptString(tokenData, repo.TokenVerificationKey.EncryptionKeyID())
|
|
if err != nil {
|
|
return "", caos_errs.ThrowUnauthenticated(nil, "APP-8EF0zZ", "invalid token")
|
|
}
|
|
return tokenIDSubject, nil
|
|
}
|
|
|
|
func verifyAudience(audience []string, verifierClientID, projectID string) error {
|
|
for _, aud := range audience {
|
|
if verifierClientID == aud || projectID == aud {
|
|
return nil
|
|
}
|
|
}
|
|
return caos_errs.ThrowUnauthenticated(nil, "APP-Zxfako", "invalid audience")
|
|
}
|
|
|
|
type openIDKeySet struct {
|
|
*query.Queries
|
|
}
|
|
|
|
// VerifySignature implements the oidc.KeySet interface
|
|
// providing an implementation for the keys retrieved directly from Queries
|
|
func (o *openIDKeySet) VerifySignature(ctx context.Context, jws *jose.JSONWebSignature) ([]byte, error) {
|
|
keySet, err := o.Queries.ActivePublicKeys(ctx, time.Now())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error fetching keys: %w", err)
|
|
}
|
|
keyID, alg := oidc.GetKeyIDAndAlg(jws)
|
|
key, err := oidc.FindMatchingKey(keyID, oidc.KeyUseSignature, alg, jsonWebKeys(keySet.Keys)...)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid signature: %w", err)
|
|
}
|
|
return jws.Verify(&key)
|
|
}
|
|
|
|
func jsonWebKeys(keys []query.PublicKey) []jose.JSONWebKey {
|
|
webKeys := make([]jose.JSONWebKey, len(keys))
|
|
for i, key := range keys {
|
|
webKeys[i] = jose.JSONWebKey{
|
|
KeyID: key.ID(),
|
|
Algorithm: key.Algorithm(),
|
|
Use: key.Use().String(),
|
|
Key: key.Key(),
|
|
}
|
|
}
|
|
return webKeys
|
|
}
|