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package atproto
import (
"context"
"encoding/json"
"errors"
"fmt"
"strings"
"time"
"github.com/johnandersen777/socialweb-computer-kcp/internal/atproto/oauthclient"
commonv1 "github.com/johnandersen777/socialweb-computer-kcp/api/common/v1alpha1"
)
var ErrSecretNotFound = errors.New("marketidentity: secret not found")
type SecretStore interface {
Get(ctx context.Context, ref commonv1.SecretRef) (map[string]any, error)
Put(ctx context.Context, ref commonv1.SecretRef, data map[string]any) error
Delete(ctx context.Context, ref commonv1.SecretRef) error
}
type VaultStateStore struct {
Vault SecretStore
Ref commonv1.SecretRef
}
var _ oauthclient.StateStore = (*VaultStateStore)(nil)
const stateTTL = 15 * time.Minute
func (s *VaultStateStore) Put(ctx context.Context, pending oauthclient.PendingAuth) error {
if s == nil || s.Vault == nil {
return errors.New("marketidentity: no vault for the oauth callback state")
}
if strings.TrimSpace(pending.State) == "" {
return errors.New("marketidentity: the oauth callback state is empty")
}
raw, err := json.Marshal(pending)
if err != nil {
return err
}
return s.Vault.Put(ctx, s.ref(pending.State), map[string]any{
"state": string(raw),
"expiresAt": time.Now().Add(stateTTL).UTC().Format(time.RFC3339),
})
}
func (s *VaultStateStore) Take(ctx context.Context, state string) (oauthclient.PendingAuth, bool, error) {
if s == nil || s.Vault == nil {
return oauthclient.PendingAuth{}, false, errors.New("marketidentity: no vault for the oauth callback state")
}
data, err := s.Vault.Get(ctx, s.ref(state))
if errors.Is(err, ErrSecretNotFound) {
return oauthclient.PendingAuth{}, false, nil
}
if err != nil {
return oauthclient.PendingAuth{}, false, err
}
if err := s.Vault.Delete(ctx, s.ref(state)); err != nil && !errors.Is(err, ErrSecretNotFound) {
return oauthclient.PendingAuth{}, false, err
}
if raw := firstString(data, "state"); raw != "" {
var pending oauthclient.PendingAuth
if err := json.Unmarshal([]byte(raw), &pending); err != nil {
return oauthclient.PendingAuth{}, false, fmt.Errorf("marketidentity: the oauth callback state: %w", err)
}
return pending, pending.State != "", nil
}
return oauthclient.PendingAuth{}, false, nil
}
func (s *VaultStateStore) Has(ctx context.Context, state string) (bool, error) {
if s == nil || s.Vault == nil {
return false, errors.New("marketidentity: no vault for the oauth callback state")
}
data, err := s.Vault.Get(ctx, s.ref(state))
if errors.Is(err, ErrSecretNotFound) {
return false, nil
}
if err != nil {
return false, err
}
if firstString(data, "state") == "" {
return false, nil
}
expires, err := time.Parse(time.RFC3339, firstString(data, "expiresAt"))
return err != nil || time.Now().Before(expires), nil
}
func (s *VaultStateStore) ref(state string) commonv1.SecretRef {
return commonv1.SecretRef{Mount: s.Ref.Mount, Path: strings.Trim(s.Ref.Path, "/") + "/pending/" + state}
}
type vaultSessionStore struct {
vault SecretStore
ref commonv1.SecretRef
clientID string
}
var _ oauthclient.SessionStore = (*vaultSessionStore)(nil)
func (s *vaultSessionStore) List(ctx context.Context) ([]oauthclient.SessionData, error) {
if s == nil || s.vault == nil {
return nil, errors.New("marketidentity: no vault for the oauth session")
}
data, err := s.vault.Get(ctx, s.ref)
if errors.Is(err, ErrSecretNotFound) {
return nil, nil
}
if err != nil {
return nil, err
}
session, ok, err := sessionFromSecret(data)
if err != nil {
return nil, err
}
if !ok {
return nil, nil
}
if s.clientID != "" && session.ClientID != s.clientID {
session.ClientID = s.clientID
if err := s.Save(ctx, session); err != nil {
return nil, err
}
}
return []oauthclient.SessionData{session}, nil
}
func (s *vaultSessionStore) Save(ctx context.Context, session oauthclient.SessionData) error {
if s == nil || s.vault == nil {
return errors.New("marketidentity: no vault for the oauth session")
}
if session.AccountDID == "" {
return errors.New("marketidentity: the oauth session names no account DID")
}
return s.vault.Put(ctx, s.ref, secretFromSession(session))
}
func (s *vaultSessionStore) Delete(ctx context.Context, did, sessionID string) error {
if s == nil || s.vault == nil {
return errors.New("marketidentity: no vault for the oauth session")
}
err := s.vault.Delete(ctx, s.ref)
if errors.Is(err, ErrSecretNotFound) {
return nil
}
return err
}
func secretFromSession(session oauthclient.SessionData) map[string]any {
raw, _ := json.Marshal(session)
return map[string]any{
"session": string(raw),
"account_did": session.AccountDID,
"session_id": session.SessionID,
"did": session.AccountDID,
"host_url": session.HostURL,
"pds": session.HostURL,
"client_id": session.ClientID,
"handle": "",
"authserver_url": session.AuthServerURL,
"authserver_token_endpoint": session.AuthServerTokenEndpoint,
"scopes": strings.Join(session.Scopes, " "),
"access_token": session.AccessToken,
"refresh_token": session.RefreshToken,
"accessJwt": session.AccessToken,
"refreshJwt": session.RefreshToken,
"dpop_authserver_nonce": session.DPoPAuthServerNonce,
"dpop_host_nonce": session.DPoPHostNonce,
"dpop_privatekey_multibase": session.DPoPPrivateKeyMultibase,
"dpopPrivateKeyMultibase": session.DPoPPrivateKeyMultibase,
}
}
func sessionFromSecret(data map[string]any) (oauthclient.SessionData, bool, error) {
if raw := firstString(data, "session"); raw != "" {
var session oauthclient.SessionData
if err := json.Unmarshal([]byte(raw), &session); err != nil {
return oauthclient.SessionData{}, false, fmt.Errorf("marketidentity: the oauth session: %w", err)
}
if session.AccountDID == "" {
return oauthclient.SessionData{}, false, nil
}
return session, true, nil
}
session := oauthclient.SessionData{
AccountDID: firstString(data, "account_did", "did", "userDid"),
SessionID: firstString(data, "session_id"),
HostURL: firstString(data, "host_url", "pds"),
ClientID: firstString(data, "client_id", "clientId"),
AuthServerURL: firstString(data, "authserver_url"),
AuthServerTokenEndpoint: firstString(data, "authserver_token_endpoint"),
AuthServerRevocationEndpoint: firstString(data, "authserver_revocation_endpoint"),
Scopes: strings.Fields(firstString(data, "scopes", "scope")),
AccessToken: firstString(data, "access_token", "accessJwt", "accessToken"),
RefreshToken: firstString(data, "refresh_token", "refreshJwt", "refreshToken"),
DPoPAuthServerNonce: firstString(data, "dpop_authserver_nonce"),
DPoPHostNonce: firstString(data, "dpop_host_nonce"),
DPoPPrivateKeyMultibase: firstString(data, "dpop_privatekey_multibase"),
}
if session.AccountDID == "" || session.AccessToken == "" {
return oauthclient.SessionData{}, false, nil
}
return session, true, nil
}
func firstString(data map[string]any, keys ...string) string {
for _, key := range keys {
value, ok := data[key]
if !ok {
continue
}
switch typed := value.(type) {
case string:
if strings.TrimSpace(typed) != "" {
return strings.TrimSpace(typed)
}
case json.Number:
if typed.String() != "" {
return typed.String()
}
}
}
return ""
}
