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const COUNTRY_MAP = { US: '美国', CA: '加拿大', GB: '英国', AU: '澳大利亚', DE: '德国', FR: '法国', IT: '意大利', ES: '西班牙', NL: '荷兰', BE: '比利时', AT: '奥地利', CH: '瑞士', SE: '瑞典', NO: '挪威', DK: '丹麦', FI: '芬兰', IE: '爱尔兰', NZ: '新西兰', JP: '日本', KR: '韩国', SG: '新加坡', MY: '马来西亚', TH: '泰国', PH: '菲律宾', VN: '越南', ID: '印度尼西亚', MX: '墨西哥', BR: '巴西', CL: '智利', AR: '阿根廷', CO: '哥伦比亚', PE: '秘鲁', ZA: '南非', AE: '阿联酋', SA: '沙特阿拉伯', ISR: '以色列', TW: '中国台湾', HK: '中国香港', MO: '中国澳门', CN: '中国大陆' };
function getCountryNameInChinese(address) { if (!address) return '未知国家'; const code = address.country_code ? address.country_code.toUpperCase() : ''; if (code && COUNTRY_MAP[code]) { return COUNTRY_MAP[code]; } return address.country || '未知国家'; }
function arrayBufferToBase64(buffer) { const bytes = new Uint8Array(buffer); let binary = ''; for (let i = 0; i < bytes.byteLength; i++) { binary += String.fromCharCode(bytes[i]); } return btoa(binary); }
function safeCompare(a, b) { if (a.length !== b.length) return false; let result = 0; for (let i = 0; i < a.length; i++) { result |= a.charCodeAt(i) ^ b.charCodeAt(i); } return result === 0; }
async function verifyShopifySignature(request, rawBody, secret) { const hmacHeader = request.headers.get('X-Shopify-Hmac-Sha256'); if (!hmacHeader || !secret) return false;
const encoder = new TextEncoder(); const keyBuffer = encoder.encode(secret); const bodyBuffer = encoder.encode(rawBody);
const cryptoKey = await crypto.subtle.importKey( 'raw', keyBuffer, { name: 'HMAC', hash: 'SHA-256' }, false, ['sign'] );
const signatureBuffer = await crypto.subtle.sign('HMAC', cryptoKey, bodyBuffer); const calculatedHmac = arrayBufferToBase64(signatureBuffer);
return safeCompare(calculatedHmac, hmacHeader); }
export default { async fetch(request, env, ctx) { if (request.method !== 'POST') { return new Response('Method Not Allowed', { status: 405 }); }
const shopDomain = request.headers.get('X-Shopify-Shop-Domain'); if (!shopDomain) { return new Response('Bad Request: Missing Shop Domain Header', { status: 400 }); }
let currentStoreRaw = null; try { currentStoreRaw = await env.STORE_PUSH.get(shopDomain); } catch (e) { console.error('KV Storage 读取失败:', e); return new Response('Internal Server Error', { status: 500 }); }
if (!currentStoreRaw) { console.error(`未注册的店铺域名: ${shopDomain}`); return new Response('Unauthorized: Unknown Shop Domain', { status: 403 }); }
const currentStore = JSON.parse(currentStoreRaw); const rawBody = await request.text();
const isValid = await verifyShopifySignature(request, rawBody, currentStore.secret); if (!isValid) { console.error(`签名校验失败: ${shopDomain}`); return new Response('Unauthorized: Invalid Signature', { status: 401 }); }
try { const order = JSON.parse(rawBody);
const storeName = currentStore.name || shopDomain; const orderName = order.name || '未知订单'; const totalPrice = order.total_price || '0.00'; const currency = order.currency || 'USD';
let customerName = '游客/无客户信息'; if (order.customer) { const firstName = order.customer.first_name || ''; const lastName = order.customer.last_name || ''; customerName = `${firstName} ${lastName}`.trim() || '匿名客户'; }
const customerEmail = order.email || (order.customer && order.customer.email) || '无邮箱信息';
const address = order.shipping_address || order.billing_address; const country = getCountryNameInChinese(address);
let discounts = []; if (order.discount_codes && order.discount_codes.length > 0) { order.discount_codes.forEach(d => { const amountText = d.amount ? ` (-${d.amount} ${currency})` : ''; discounts.push(`\`码: ${d.code}\`${amountText}`); }); } if (order.discount_applications && order.discount_applications.length > 0) { order.discount_applications.forEach(app => { if (app.type === 'discount_code') { const alreadyAdded = order.discount_codes && order.discount_codes.some(d => d.code === app.code); if (alreadyAdded) return; } const discountTitle = app.title || app.code || '自动折扣'; let valueText = ''; if (app.value_type === 'percentage') { valueText = ` (-${app.value}%)`; } else if (app.value_type === 'fixed_amount') { valueText = ` (-${app.value} ${currency})`; } discounts.push(`\`自动: ${discountTitle}\`${valueText}`); }); } const discountText = discounts.length > 0 ? discounts.join(', ') : '未使用折扣';
let shippingText = '免运费'; if (order.shipping_lines && order.shipping_lines.length > 0) { shippingText = order.shipping_lines.map(s => { const price = parseFloat(s.price); return price > 0 ? `${s.title} (${s.price} ${currency})` : `免运费 (${s.title})`; }).join(', '); }
let lineItemsText = ''; if (order.line_items && order.line_items.length > 0) { lineItemsText = order.line_items.map(item => { const skuText = item.sku ? `\`SKU: ${item.sku}\`` : '*无 SKU*'; const itemPrice = item.price || '0.00'; return `• **${item.title}** x ${item.quantity} _(${itemPrice} ${currency}/件)_\n ┗ ${skuText}`; }).join('\n'); } else { lineItemsText = '无商品数据'; }
const feishuPayload = { msg_type: "interactive", card: { config: { wide_screen_mode: true }, header: { title: { tag: "plain_text", content: `[${storeName}] 🎉 ${orderName} (${totalPrice} ${currency})` }, template: "indigo" }, elements: [ { tag: "column_set", background_style: "grey", columns: [ { tag: "column", width: "weighted", weight: 1, elements: [ { tag: "div", fields: [ { is_short: true, text: { tag: "lark_md", content: `**订单总额:**\n${totalPrice} ${currency}` } }, { is_short: true, text: { tag: "lark_md", content: `**购买客户:**\n${customerName}` } }, { is_short: true, text: { tag: "lark_md", content: `**目的国家:**\n${country}` } }, { is_short: true, text: { tag: "lark_md", content: `**客户邮箱:**\n${customerEmail}` } }, { is_short: true, text: { tag: "lark_md", content: `**折扣优惠:**\n${discountText}` } }, { is_short: true, text: { tag: "lark_md", content: `**配送运费:**\n${shippingText}` } } ] } ] } ] }, { tag: "hr" }, { tag: "div", text: { tag: "lark_md", content: `**📦 商品清单:**\n${lineItemsText}` } }, ...(order.note ? [{ tag: "hr" }, { tag: "note", elements: [{ tag: "plain_text", content: `💬 客户备注: ${order.note}` }] }] : []) ] } };
const targetWebhookUrl = currentStore.feishu_webhook || env.FEISHU_WEBHOOK_URL; if (!targetWebhookUrl) { console.error('未配置飞书 Webhook 链接'); return new Response('Configuration Error', { status: 500 }); }
const feishuResponse = await fetch(targetWebhookUrl, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(feishuPayload) });
if (!feishuResponse.ok) { console.error('Feishu Push Failed:', await feishuResponse.text()); }
return new Response('OK', { status: 200 });
} catch (error) { console.error('Logic Error:', error); return new Response('Bad Request', { status: 400 }); } } };
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