Hugging Face MCP Server

import type { Request } from 'express'; import { OAUTH_RESOURCE_BASE_URL } from '../../shared/constants.js'; export const buildOAuthResourceHeader = (req: Request): string => { const rawUrl = typeof req.originalUrl === 'string' && req.originalUrl.length > 0 ? req.originalUrl : req.url ?? ''; const queryIndex = rawUrl.indexOf('?'); let query = queryIndex === -1 ? '' : rawUrl.slice(queryIndex); if (!query && req.query && Object.keys(req.query).length > 0) { const searchParams = new URLSearchParams(); for (const [key, value] of Object.entries(req.query)) { if (Array.isArray(value)) { value.forEach((entry) => { if (entry === undefined || entry === null) { searchParams.append(key, ''); return; } searchParams.append(key, String(entry)); }); continue; } if (value === undefined || value === null) { searchParams.append(key, ''); continue; } searchParams.append(key, String(value)); } const paramsString = searchParams.toString(); if (paramsString) { query = `?${paramsString}`; } } return `Bearer resource_metadata="${OAUTH_RESOURCE_BASE_URL}${query}"`; };