Method exchange_code

src/auth/oauth.py:116–147

Exchange authorization code for tokens.

(self, code: str)

        return code_holder["code"]

    def exchange_code(self, code: str) -> OAuthTokens | None:
        """Exchange authorization code for tokens."""
        try:
            import urllib.request

            data = urllib.parse.urlencode({
                "grant_type": "authorization_code",
                "code": code,
                "client_id": self.client_id,
                "redirect_uri": f"http://localhost:{self.redirect_port}/callback",
                "code_verifier": self._code_verifier,
            }).encode("utf-8")

            req = urllib.request.Request(
                self.token_url,
                data=data,
                headers={"Content-Type": "application/x-www-form-urlencoded"},
            )
            with urllib.request.urlopen(req, timeout=30) as resp:
                body = json.loads(resp.read())

            expires_in = body.get("expires_in", 3600)
            return OAuthTokens(
                access_token=body["access_token"],
                refresh_token=body.get("refresh_token", ""),
                token_type=body.get("token_type", "Bearer"),
                expires_at=time.time() + expires_in,
                scope=body.get("scope", ""),
            )
        except Exception as e:
            logger.error("OAuth token exchange failed: %s", e)
            return None

    def refresh_tokens(self, refresh_token: str) -> OAuthTokens | None:
        """Refresh an expired access token."""