361 lines
11 KiB
Go
361 lines
11 KiB
Go
// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package authorizationcode
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import (
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"context"
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stderrors "errors"
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"fmt"
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"time"
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"github.com/ory/fosite"
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"github.com/ory/fosite/handler/oauth2"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
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"go.pinniped.dev/internal/constable"
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"go.pinniped.dev/internal/crud"
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"go.pinniped.dev/internal/fositestorage"
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"go.pinniped.dev/internal/oidc/clientregistry"
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"go.pinniped.dev/internal/psession"
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)
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const (
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TypeLabelValue = "authcode"
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ErrInvalidAuthorizeRequestData = constable.Error("authorization request data must be present")
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ErrInvalidAuthorizeRequestVersion = constable.Error("authorization request data has wrong version")
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// Version 1 was the initial release of storage.
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// Version 2 is when we switched to storing psession.PinnipedSession inside the fosite request.
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authorizeCodeStorageVersion = "2"
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)
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var _ oauth2.AuthorizeCodeStorage = &authorizeCodeStorage{}
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type authorizeCodeStorage struct {
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storage crud.Storage
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}
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type AuthorizeCodeSession struct {
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Active bool `json:"active"`
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Request *fosite.Request `json:"request"`
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Version string `json:"version"`
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}
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func New(secrets corev1client.SecretInterface, clock func() time.Time, sessionStorageLifetime time.Duration) oauth2.AuthorizeCodeStorage {
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return &authorizeCodeStorage{storage: crud.New(TypeLabelValue, secrets, clock, sessionStorageLifetime)}
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}
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// ReadFromSecret reads the contents of a Secret as an AuthorizeCodeSession.
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func ReadFromSecret(secret *v1.Secret) (*AuthorizeCodeSession, error) {
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session := NewValidEmptyAuthorizeCodeSession()
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err := crud.FromSecret(TypeLabelValue, secret, session)
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if err != nil {
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return nil, err
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}
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if session.Version != authorizeCodeStorageVersion {
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return nil, fmt.Errorf("%w: authorization code session has version %s instead of %s",
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ErrInvalidAuthorizeRequestVersion, session.Version, authorizeCodeStorageVersion)
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}
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if session.Request.ID == "" {
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return nil, fmt.Errorf("malformed authorization code session: %w", ErrInvalidAuthorizeRequestData)
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}
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return session, nil
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}
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func (a *authorizeCodeStorage) CreateAuthorizeCodeSession(ctx context.Context, signature string, requester fosite.Requester) error {
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// This conversion assumes that we do not wrap the default type in any way
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// i.e. we use the default fosite.OAuth2Provider.NewAuthorizeRequest implementation
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// note that because this type is serialized and stored in Kube, we cannot easily change the implementation later
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request, err := fositestorage.ValidateAndExtractAuthorizeRequest(requester)
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if err != nil {
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return err
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}
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// Note, in case it is helpful, that Hydra stores specific fields from the requester:
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// request ID
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// requestedAt
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// OAuth client ID
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// requested scopes, granted scopes
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// requested audience, granted audience
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// url encoded request form
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// session as JSON bytes with (optional) encryption
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// session subject
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// consent challenge from session which is the identifier ("authorization challenge")
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// of the consent authorization request. It is used to identify the session.
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// signature for lookup in the DB
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_, err = a.storage.Create(ctx, signature, &AuthorizeCodeSession{Active: true, Request: request, Version: authorizeCodeStorageVersion}, nil)
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return err
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}
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func (a *authorizeCodeStorage) GetAuthorizeCodeSession(ctx context.Context, signature string, _ fosite.Session) (fosite.Requester, error) {
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// Note, in case it is helpful, that Hydra:
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// - uses the incoming fosite.Session to provide the type needed to json.Unmarshal their session bytes
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// - gets the client from its DB as a concrete type via client ID, the hydra memory client just validates that the
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// client ID exists
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// - hydra uses the sha512.Sum384 hash of signature when using JWT as access token to reduce length
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session, _, err := a.getSession(ctx, signature)
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// we need to always pass both the request and error back
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if session == nil {
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return nil, err
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}
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return session.Request, err
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}
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func (a *authorizeCodeStorage) InvalidateAuthorizeCodeSession(ctx context.Context, signature string) error {
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session, rv, err := a.getSession(ctx, signature)
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if err != nil {
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return err
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}
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session.Active = false
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if _, err := a.storage.Update(ctx, signature, rv, session); err != nil {
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if errors.IsConflict(err) {
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return &errSerializationFailureWithCause{cause: err}
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}
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return err
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}
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return nil
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}
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func (a *authorizeCodeStorage) getSession(ctx context.Context, signature string) (*AuthorizeCodeSession, string, error) {
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session := NewValidEmptyAuthorizeCodeSession()
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rv, err := a.storage.Get(ctx, signature, session)
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if errors.IsNotFound(err) {
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return nil, "", fosite.ErrNotFound.WithWrap(err).WithDebug(err.Error())
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}
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if err != nil {
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return nil, "", fmt.Errorf("failed to get authorization code session for %s: %w", signature, err)
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}
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if version := session.Version; version != authorizeCodeStorageVersion {
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return nil, "", fmt.Errorf("%w: authorization code session for %s has version %s instead of %s",
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ErrInvalidAuthorizeRequestVersion, signature, version, authorizeCodeStorageVersion)
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}
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if session.Request.ID == "" {
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return nil, "", fmt.Errorf("malformed authorization code session for %s: %w", signature, ErrInvalidAuthorizeRequestData)
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}
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// we must return the session in this case to allow fosite to revoke the associated tokens
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if !session.Active {
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return session, rv, fmt.Errorf("authorization code session for %s has already been used: %w", signature, fosite.ErrInvalidatedAuthorizeCode)
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}
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return session, rv, nil
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}
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func NewValidEmptyAuthorizeCodeSession() *AuthorizeCodeSession {
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return &AuthorizeCodeSession{
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Request: &fosite.Request{
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Client: &clientregistry.Client{},
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Session: &psession.PinnipedSession{},
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},
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}
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}
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var _ interface {
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Is(error) bool
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Unwrap() error
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error
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} = &errSerializationFailureWithCause{}
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type errSerializationFailureWithCause struct {
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cause error
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}
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func (e *errSerializationFailureWithCause) Is(err error) bool {
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return stderrors.Is(fosite.ErrSerializationFailure, err)
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}
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func (e *errSerializationFailureWithCause) Unwrap() error {
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return e.cause
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}
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func (e *errSerializationFailureWithCause) Error() string {
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return fmt.Sprintf("%s: %s", fosite.ErrSerializationFailure, e.cause)
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}
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// ExpectedAuthorizeCodeSessionJSONFromFuzzing is used for round tripping tests.
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// It is exported to allow integration tests to use it.
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const ExpectedAuthorizeCodeSessionJSONFromFuzzing = `{
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"active": true,
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"request": {
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"id": "曑x螠Gæ鄋楨",
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"requestedAt": "2082-11-10T18:36:11.627253638Z",
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"client": {
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"id": ":NJ¸Ɣ8(黋馛ÄRɴJa¶z",
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"client_secret": "UQ==",
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"redirect_uris": [
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"ǖ枭kʍ切厦ȳ箦;¥ʊXĝ奨誷傥祩d",
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"zŇZ",
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"優蒼ĊɌț訫DŽǽeʀO2ƚ\u0026N"
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],
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"grant_types": [
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"唐W6ɻ橩斚薛ɑƐ"
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],
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"response_types": [
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"w",
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"ǔŭe[u@阽羂ŷ-Ĵ½輢OÅ濲喾H"
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],
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"scopes": [
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"G螩歐湡ƙı唡ɸğƎ\u0026胢輢Ƈĵƚ"
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],
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"audience": [
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"ě"
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],
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"public": false,
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"jwks_uri": "o*泞羅ʘ Ⱦķ瀊垰7ã\")",
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"jwks": {
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"keys": [
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{
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"kty": "OKP",
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"crv": "Ed25519",
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"x": "nK9xgX_iN7u3u_i8YOO7ZRT_WK028Vd_nhtsUu7Eo6E",
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"x5u": {
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"Scheme": "",
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"Opaque": "",
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"User": null,
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"Host": "",
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"Path": "",
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"RawPath": "",
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"ForceQuery": false,
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"RawQuery": "",
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"Fragment": "",
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"RawFragment": ""
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}
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},
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{
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"kty": "OKP",
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"crv": "Ed25519",
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"x": "UbbswQgzWhfGCRlwQmMp6fw_HoIoqkIaKT-2XN2fuYU",
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"x5u": {
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"Scheme": "",
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"Opaque": "",
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"User": null,
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"Host": "",
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"Path": "",
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"RawPath": "",
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"ForceQuery": false,
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"RawQuery": "",
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"Fragment": "",
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"RawFragment": ""
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}
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}
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]
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},
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"token_endpoint_auth_method": "ƿʥǟȒ伉\u003cx¹T鼓c吏",
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"request_uris": [
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"Ć捘j]=谅ʑɑɮ$Ól4Ȟ",
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",Q7钎漡臧n"
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],
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"request_object_signing_alg": "3@¡廜+v,淬Ʋ4Dʧ呩锏緍场",
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"token_endpoint_auth_signing_alg": "(ưƓǴ罷ǹ~]ea胠"
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},
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"scopes": [
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"ĩv絹b垇IŕĩǀŻQ'k頂箨J-a稆",
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"啶#昏Q遐*\\髎bŸ"
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],
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"grantedScopes": [
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"慂UFƼĮǡ鑻Z"
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],
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"form": {
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"褾攚ŝlĆ厦駳骪l拁乖¡J¿Ƈ妔": [
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"懧¥ɂĵ~Čyʊ恀c\"NJřðȿ/",
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"裢?霃谥vƘ:ƿ/濔Aʉ\u003c",
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"ȭ$奍囀Dž悷鵱民撲ʓeŘ嬀j¤"
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],
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"诞": [
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"狲N\u003cCq罉ZPſĝEK郊©l",
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"餚LJ/ɷȑ潠[ĝU噤'pX ",
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"Y妶ǵ!ȁu狍ɶȳsčɦƦ诱"
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]
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},
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"session": {
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"fosite": {
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"Claims": {
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"JTI": "u妔隤ʑƍš駎竪0ɔ闏À1",
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"Issuer": "麤ã桒嘞\\摗Ǘū稖咾鎅ǸÖ绝TF",
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"Subject": "巽ēđų蓼tùZ蛆鬣a\"ÙǞ0觢Û±",
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"Audience": [
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"H股ƲL",
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"肟v\u0026đehpƧ",
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"5^驜Ŗ~ů崧軒q腟u尿"
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],
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"Nonce": "ğ",
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"ExpiresAt": "2016-11-22T21:33:58.460521133Z",
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"IssuedAt": "1990-07-25T23:42:07.055978334Z",
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"RequestedAt": "1971-01-30T00:23:36.377684025Z",
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"AuthTime": "2088-11-09T12:09:14.051840239Z",
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"AccessTokenHash": "蕖¤'+ʣȍ瓁U4鞀",
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"AuthenticationContextClassReference": "ʏÑęN\u003c_z",
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"AuthenticationMethodsReference": "ț髄A",
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"CodeHash": "4磔_袻vÓG-壧丵礴鋈k蟵pAɂʅ",
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"Extra": {
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"#\u0026PƢ曰l騌蘙螤\\阏Đ镴Ƥm蔻ǭ\\鿞": 1677215584,
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"Y\u0026鶡萷ɵ啜s攦Ɩïdnǔ": {
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",t猟i\u0026\u0026Q@ǤǟǗǪ飘ȱF?Ƈ": {
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"~劰û橸ɽ銐ƭ?}H": null,
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"癑勦e骲v0H晦XŘO溪V蔓": {
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"碼Ǫ": false
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}
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},
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"钻煐ɨəÅDČ{Ȩʦ4撎": [
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3684968178
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]
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}
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}
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},
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"Headers": {
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"Extra": {
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"ĊdŘ鸨EJ毕懴řĬń戹": {
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"诳DT=3骜Ǹ,": {
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"\u003e": {
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"ǰ": false
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},
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"ɁOƪ穋嶿鳈恱va": null
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},
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"豑觳翢砜Fȏl": [
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927958776
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]
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},
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"埅ȜʁɁ;Bd謺錳4帳Ņ": 388005986
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}
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},
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"ExpiresAt": {
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"C]ɲ'=ĸ闒NȢȰ.醋": "1970-07-19T18:03:29.902062193Z",
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"fɤȆʪ融ƆuŤn": "2064-01-24T20:34:16.593152073Z",
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"爣縗ɦüHêQ仏1ő": "2102-03-17T06:24:40.256846902Z"
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},
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"Username": "韁臯氃妪婝rȤ\"h丬鎒ơ娻}ɼƟ",
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"Subject": "闺髉龳ǽÙ龦O亾EW莛8嘶×"
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},
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"custom": {
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"providerUID": "鵮碡ʯiŬŽ非Ĝ眧Ĭ葜SŦ餧Ĭ倏4",
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"providerName": "nŐǛ3",
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"providerType": "闣ʬ橳(ý綃ʃʚƟ覣k眐4Ĉt",
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"oidc": {
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"upstreamRefreshToken": "嵽痊w©Ź榨Q|ôɵt毇妬"
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}
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}
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},
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"requestedAudience": [
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"6鉢緋uƴŤȱʀļÂ?墖\u003cƬb獭潜Ʃ饾"
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],
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"grantedAudience": [
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"|鬌R蜚蠣麹概÷驣7Ʀ澉1æɽ誮rʨ鷞"
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]
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},
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"version": "2"
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}`
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