Beispiel #1
0
// List returns the set of namespace names the user has access to view
func (ac *AuthorizationCache) List(userInfo user.Info) (*kapi.NamespaceList, error) {
	keys := util.StringSet{}
	user := userInfo.GetName()
	groups := userInfo.GetGroups()

	obj, exists, _ := ac.userSubjectRecordStore.GetByKey(user)
	if exists {
		subjectRecord := obj.(*subjectRecord)
		keys.Insert(subjectRecord.namespaces.List()...)
	}

	for _, group := range groups {
		obj, exists, _ := ac.groupSubjectRecordStore.GetByKey(group)
		if exists {
			subjectRecord := obj.(*subjectRecord)
			keys.Insert(subjectRecord.namespaces.List()...)
		}
	}

	namespaceList := &kapi.NamespaceList{}
	for key := range keys {
		namespace, exists, err := ac.namespaceStore.GetByKey(key)
		if err != nil {
			return nil, err
		}
		if exists {
			namespaceList.Items = append(namespaceList.Items, *namespace.(*kapi.Namespace))
		}
	}
	return namespaceList, nil
}
Beispiel #2
0
func (a *Authenticator) AuthenticationSucceeded(user user.Info, state string, w http.ResponseWriter, req *http.Request) (bool, error) {
	session, err := a.store.Get(req, a.name)
	if err != nil {
		return false, err
	}
	values := session.Values()
	values[UserNameKey] = user.GetName()
	values[UserUIDKey] = user.GetUID()
	// TODO: should we save groups, scope, and extra in the session as well?
	return false, a.store.Save(w, req)
}
Beispiel #3
0
// constraintAppliesTo inspects the constraint's users and groups against the userInfo to determine
// if it is usable by the userInfo.
func constraintAppliesTo(constraint *kapi.SecurityContextConstraints, userInfo user.Info) bool {
	for _, user := range constraint.Users {
		if userInfo.GetName() == user {
			return true
		}
	}
	for _, userGroup := range userInfo.GetGroups() {
		if constraintSupportsGroup(userGroup, constraint.Groups) {
			return true
		}
	}
	return false
}
Beispiel #4
0
func appliesToUser(ruleUsers, ruleGroups util.StringSet, user user.Info) bool {
	if ruleUsers.Has(user.GetName()) {
		return true
	}

	for _, currGroup := range user.GetGroups() {
		if ruleGroups.Has(currGroup) {
			return true
		}
	}

	return false
}
func (c *ClientAuthorizationGrantChecker) HasAuthorizedClient(user user.Info, grant *api.Grant) (approved bool, err error) {
	id := c.registry.ClientAuthorizationName(user.GetName(), grant.Client.GetId())
	authorization, err := c.registry.GetClientAuthorization(kapi.NewContext(), id)
	if errors.IsNotFound(err) {
		return false, nil
	}
	if err != nil {
		return false, err
	}
	if len(authorization.UserUID) != 0 && authorization.UserUID != user.GetUID() {
		return false, fmt.Errorf("user %s UID %s does not match stored client authorization value for UID %s", user.GetName(), user.GetUID(), authorization.UserUID)
	}
	// TODO: improve this to allow the scope implementation to determine overlap
	if !scope.Covers(authorization.Scopes, scope.Split(grant.Scope)) {
		return false, nil
	}
	return true, nil
}
func (v *TagVerifier) Verify(old, stream *api.ImageStream, user user.Info) fielderrors.ValidationErrorList {
	var errors fielderrors.ValidationErrorList
	oldTags := map[string]api.TagReference{}
	if old != nil && old.Spec.Tags != nil {
		oldTags = old.Spec.Tags
	}
	for tag, tagRef := range stream.Spec.Tags {
		if tagRef.From == nil {
			continue
		}
		if len(tagRef.From.Namespace) == 0 {
			continue
		}
		if stream.Namespace == tagRef.From.Namespace {
			continue
		}
		if oldRef, ok := oldTags[tag]; ok && !tagRefChanged(oldRef, tagRef, stream.Namespace) {
			continue
		}

		streamName, _, err := parseFromReference(stream, tagRef.From)
		if err != nil {
			errors = append(errors, fielderrors.NewFieldInvalid(fmt.Sprintf("spec.tags[%s].from.name", tag), tagRef.From.Name, "must be of the form <tag>, <repo>:<tag>, <id>, or <repo>@<id>"))
			continue
		}

		subjectAccessReview := authorizationapi.SubjectAccessReview{
			Verb:         "get",
			Resource:     "imagestreams",
			User:         user.GetName(),
			Groups:       util.NewStringSet(user.GetGroups()...),
			ResourceName: streamName,
		}
		ctx := kapi.WithNamespace(kapi.NewContext(), tagRef.From.Namespace)
		glog.V(1).Infof("Performing SubjectAccessReview for user=%s, groups=%v to %s/%s", user.GetName(), user.GetGroups(), tagRef.From.Namespace, streamName)
		resp, err := v.subjectAccessReviewClient.CreateSubjectAccessReview(ctx, &subjectAccessReview)
		if err != nil || resp == nil || (resp != nil && !resp.Allowed) {
			errors = append(errors, fielderrors.NewFieldForbidden(fmt.Sprintf("spec.tags[%s].from", tag), fmt.Sprintf("%s/%s", tagRef.From.Namespace, streamName)))
			continue
		}
	}
	return errors
}
Beispiel #7
0
func UserToSubject(u user.Info) pkix.Name {
	return pkix.Name{
		CommonName:   u.GetName(),
		SerialNumber: u.GetUID(),
		Organization: u.GetGroups(),
	}
}
Beispiel #8
0
func validateList(t *testing.T, lister Lister, user user.Info, expectedSet util.StringSet) {
	namespaceList, err := lister.List(user)
	if err != nil {
		t.Errorf("Unexpected error %v", err)
	}
	results := util.StringSet{}
	for _, namespace := range namespaceList.Items {
		results.Insert(namespace.Name)
	}
	if results.Len() != expectedSet.Len() || !results.HasAll(expectedSet.List()...) {
		t.Errorf("User %v, Expected: %v, Actual: %v", user.GetName(), expectedSet, results)
	}
}
Beispiel #9
0
func (l *Grant) handleForm(user user.Info, w http.ResponseWriter, req *http.Request) {
	q := req.URL.Query()
	then := q.Get("then")
	clientID := q.Get("client_id")
	scopes := q.Get("scopes")
	redirectURI := q.Get("redirect_uri")

	client, err := l.clientregistry.GetClient(kapi.NewContext(), clientID)
	if err != nil || client == nil {
		l.failed("Could not find client for client_id", w, req)
		return
	}

	uri, err := getBaseURL(req)
	if err != nil {
		glog.Errorf("Unable to generate base URL: %v", err)
		http.Error(w, "Unable to determine URL", http.StatusInternalServerError)
		return
	}

	csrf, err := l.csrf.Generate(w, req)
	if err != nil {
		glog.Errorf("Unable to generate CSRF token: %v", err)
		l.failed("Could not generate CSRF token", w, req)
		return
	}

	form := Form{
		Action: uri.String(),
		Values: FormValues{
			Then:             then,
			ThenParam:        thenParam,
			CSRF:             csrf,
			CSRFParam:        csrfParam,
			ClientID:         client.Name,
			ClientIDParam:    clientIDParam,
			UserName:         user.GetName(),
			UserNameParam:    userNameParam,
			Scopes:           scopes,
			ScopesParam:      scopesParam,
			RedirectURI:      redirectURI,
			RedirectURIParam: redirectURIParam,
			ApproveParam:     approveParam,
			DenyParam:        denyParam,
		},
	}

	l.render.Render(form, w, req)
}
Beispiel #10
0
func (l *Grant) handleGrant(user user.Info, w http.ResponseWriter, req *http.Request) {
	if ok, err := l.csrf.Check(req, req.FormValue("csrf")); !ok || err != nil {
		glog.Errorf("Unable to check CSRF token: %v", err)
		l.failed("Invalid CSRF token", w, req)
		return
	}

	then := req.FormValue("then")
	scopes := req.FormValue("scopes")

	if len(req.FormValue(approveParam)) == 0 {
		// Redirect with rejection param
		url, err := url.Parse(then)
		if len(then) == 0 || err != nil {
			l.failed("Access denied, but no redirect URL was specified", w, req)
			return
		}
		q := url.Query()
		q.Set("error", "access_denied")
		url.RawQuery = q.Encode()
		http.Redirect(w, req, url.String(), http.StatusFound)
		return
	}

	clientID := req.FormValue("client_id")
	client, err := l.clientregistry.GetClient(kapi.NewContext(), clientID)
	if err != nil || client == nil {
		l.failed("Could not find client for client_id", w, req)
		return
	}

	clientAuthID := l.authregistry.ClientAuthorizationName(user.GetName(), client.Name)

	ctx := kapi.NewContext()
	clientAuth, err := l.authregistry.GetClientAuthorization(ctx, clientAuthID)
	if err == nil && clientAuth != nil {
		// Add new scopes and update
		clientAuth.Scopes = scope.Add(clientAuth.Scopes, scope.Split(scopes))
		if _, err = l.authregistry.UpdateClientAuthorization(ctx, clientAuth); err != nil {
			glog.Errorf("Unable to update authorization: %v", err)
			l.failed("Could not update client authorization", w, req)
			return
		}
	} else {
		// Make sure client name, user name, grant scope, expiration, and redirect uri match
		clientAuth = &oapi.OAuthClientAuthorization{
			UserName:   user.GetName(),
			UserUID:    user.GetUID(),
			ClientName: client.Name,
			Scopes:     scope.Split(scopes),
		}
		clientAuth.Name = clientAuthID

		if _, err = l.authregistry.CreateClientAuthorization(ctx, clientAuth); err != nil {
			glog.Errorf("Unable to create authorization: %v", err)
			l.failed("Could not create client authorization", w, req)
			return
		}
	}

	if len(then) == 0 {
		l.failed("Approval granted, but no redirect URL was specified", w, req)
		return
	}

	http.Redirect(w, req, then, http.StatusFound)
}