@mcp-abap-adt/connection/dist/utils/tokenRefresh.js

ABAP connection layer for MCP ABAP ADT server

"use strict";
/**
 * Token refresh utilities for JWT authentication
 */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.refreshJwtToken = refreshJwtToken;
const axios_1 = __importDefault(require("axios"));
/**
 * Refreshes the access token using refresh token
 * @param refreshToken Refresh token
 * @param uaaUrl UAA URL (e.g., https://your-account.authentication.eu10.hana.ondemand.com)
 * @param clientId UAA client ID
 * @param clientSecret UAA client secret
 * @returns Promise that resolves to new tokens
 */
async function refreshJwtToken(refreshToken, uaaUrl, clientId, clientSecret) {
    try {
        const tokenUrl = `${uaaUrl}/oauth/token`;
        const params = new URLSearchParams();
        params.append('grant_type', 'refresh_token');
        params.append('refresh_token', refreshToken);
        const authString = Buffer.from(`${clientId}:${clientSecret}`).toString('base64');
        const response = await (0, axios_1.default)({
            method: 'post',
            url: tokenUrl,
            headers: {
                Authorization: `Basic ${authString}`,
                'Content-Type': 'application/x-www-form-urlencoded',
            },
            data: params.toString(),
        });
        if (response.data?.access_token) {
            return {
                accessToken: response.data.access_token,
                refreshToken: response.data.refresh_token || refreshToken, // Use new refresh token if provided, otherwise keep old one
            };
        }
        else {
            throw new Error('Response does not contain access_token');
        }
    }
    catch (error) {
        const err = error;
        if (err.response) {
            throw new Error(`Token refresh failed (${err.response.status}): ${JSON.stringify(err.response.data)}`);
        }
        else {
            const errorMessage = error instanceof Error ? error.message : String(error);
            throw new Error(`Token refresh failed: ${errorMessage}`);
        }
    }
}