同步修改页面逻辑
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84
pages/mall/delivery/webhook-server/PARTNER_ONBOARDING.md
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84
pages/mall/delivery/webhook-server/PARTNER_ONBOARDING.md
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**概述**
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- **目标**: 让快递合作方(例如韵达)能安全、可靠地向系统的 `/webhook/express/status` 发送回调,用于运单状态同步与推送触发。
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- **范围**: 包含鉴权/验签约定、幂等策略、测试样例、部署与运维建议。
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**接入概览**
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- **Endpoint**: `https://<your-domain>/webhook/express/status`
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- **协议**: HTTPS(TLS 必需)
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- **数据格式**: `application/json`,body 为第三方原始回调 JSON。
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**鉴权与验签**
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- **方式**: 每个合作方分配一份 HMAC secret(UTF-8 文本),服务端按 `client_id` 查秘钥(建议把 `client_id` 放在请求头 `X-Client-Id`)。
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- **签名头**: `X-Timestamp`(UTC 秒)与 `X-Signature`(hex 小写)。
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- **签名算法**: HMAC-SHA256(secret, rawBodyText + timestamp) → hex。
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- **时窗**: 接收端按 ±300 秒(可配置)判定时间窗,超时拒绝(防重放)。
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- **严格模式**: `WEBHOOK_REJECT_INVALID_SIGNATURE=true` 时签名不合将直接 401(上线初期可先设 false,观测后切为 true)。
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**幂等与去重**
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- **推荐字段**: 合作方可在 body 中提供 `dedupe_key`(优先使用);若无,服务端基于稳定字段计算哈希(建议用 `tracking_no|carrier|event_time|event_code` 组合)。
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- **数据库约束**: `platform_express_tracking_events` 应有唯一约束 `(waybill_id, dedupe_key)`,重复回调不再写入事件表。
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- **返回语义**: 对重复回调可返回 200 并在 body 标注 `duplicate: true`,以便合作方不再重试。
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**请求/响应与重试策略**
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- **接收端快速 ACK**: 推荐返回 HTTP 202 Accepted(或 200)表示“已入队/接收”,不代表处理完成。
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- **错误返回**: 4xx 表示请求问题(签名/格式),5xx 表示服务端异常(合作方可按重试策略重试)。
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- **建议重试规则**(对方遵守): 3–5 次,指数退避(例如 1m, 2m, 4m, ...),总重试时长不超过 1 小时。
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**示例:签名与发送(bash)**
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```bash
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TS=$(date -u +%s)
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BODY='{"tracking_no":"YT123","event_code":"DELIVERED","event_time":"2026-03-12T10:00:00Z"}'
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SECRET='YOUR_PARTNER_SECRET'
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SIG=$(printf '%s%s' "$BODY" "$TS" | openssl dgst -sha256 -hmac "$SECRET" -binary | xxd -p -c 256)
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curl -v -X POST https://your-domain/webhook/express/status \
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-H 'Content-Type: application/json' \
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-H "X-Timestamp: $TS" \
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-H "X-Signature: $SIG" \
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-H "X-Client-Id: partner-yd" \
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-d "$BODY"
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```
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**示例:PowerShell(Windows)**
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```powershell
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$ts = [int][double]::Parse((Get-Date).ToUniversalTime().Subtract([datetime]'1970-01-01').TotalSeconds)
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$body = '{"tracking_no":"YT123","event_code":"DELIVERED","event_time":"2026-03-12T10:00:00Z"}'
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$secret = 'YOUR_PARTNER_SECRET'
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$hmac = New-Object System.Security.Cryptography.HMACSHA256([Text.Encoding]::UTF8.GetBytes($secret))
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$hash = $hmac.ComputeHash([Text.Encoding]::UTF8.GetBytes($body + $ts))
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$sig = ($hash | ForEach-Object { $_.ToString("x2") }) -join ''
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Invoke-RestMethod -Uri 'https://your-domain/webhook/express/status' -Method Post -Body $body -ContentType 'application/json' -Headers @{ 'X-Timestamp'=$ts; 'X-Signature'=$sig; 'X-Client-Id'='partner-yd' }
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```
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**测试与沙箱**
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- **临时隧道**: 联调期可使用 `ngrok` 或 `cloudflared` 将本地服务映射到公网供合作方发送测试回调。
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- **测试密钥**: 为每个合作方发放 `test_secret` 与 `prod_secret`,并在系统中分离管理。
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- **回放工具**: 提供一个简单 `test-send.js`(仓库已有)并在 README 中示例化如何运行。
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**部署与网关建议**
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- **域名与 TLS**: 使用 `webhook.<your-domain>`,证书推荐用 Let's Encrypt 自动续期。
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- **反向代理 / 网关**: 推荐放在 Nginx / Kong / Cloud Load Balancer 前做:
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- TLS 终端、IP 白名单、速率限制(rate-limiting)、日志落盘与审计。
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- 如使用 Kong,可在网关做 `key-auth` 或 IP 白名单做第一道防护。
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- **WAF/防护**: 对外公开时开启基础 WAF(过滤常见攻击)与 DDOS 保护。
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**监控与告警**
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- **关键 Metric**: 接收量、验签失败率、重复率(duplicate percent)、处理延时、no-targets 率。
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- **告警阈值**: 验签失败率 >1% 或 no-targets 突增 触发 PagerDuty/邮件告警。
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**上线流程(最小安全步骤)**
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1. 在测试环境配置 partner test_secret 与 `X-Client-Id`,提供示例脚本。
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2. 使用 `ngrok` 联调,通过 2–3 次真实回调验证 `dedupe_key`、waybill 匹配和入队。
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3. 把 partner 的 prod_secret 写入生产密钥存储(避免明文在 repo)。
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4. 在生产网关启用 IP 白名单或 key-auth,并在低流量窗口把 `WEBHOOK_REJECT_INVALID_SIGNATURE` 改为 `true`。
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**常见问题与排查**
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- **验签失败**: 检查是否对方用了 stringify 后的 body 或时间戳单位不一致(秒 vs 毫秒);建议双方按示例脚本校验。
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- **重复回调仍写入**: 检查 `dedupe_key` 的字段组合与 DB 唯一约束 `(waybill_id,dedupe_key)` 是否生效。
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- **no-targets**: 确保 `push_devices` 已按 `merchant_id` 或 `user_id` 正确写入(见 `GET /api/v1/push/devices` 验证)。
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**联系人与上游联调清单**
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- **提供方需给出**: 回调样例(真实 JSON)、回调频率预估、回调 IP 段、是否支持 `dedupe_key` 字段、联系人邮箱/电话。
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- **我方需要提供**: `test_secret`、测试域名、示例脚本、接入说明(本文件)。
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---
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作者:自动生成;可根据合作方反馈补充示例与节流策略。
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@@ -70,18 +70,45 @@ function stableEventDedupeKey({ tracking_no, carrier, status_code, event_time, e
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async function upsertRaw(payload, tracking_no, carrier, signature_valid) {
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try {
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const body = {
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const received_at = new Date().toISOString()
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const minimal = {
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carrier: carrier || null,
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tracking_no: tracking_no || null,
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body: payload,
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received_at: new Date().toISOString(),
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received_at,
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signature_valid: signature_valid
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}
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const resp = await supaFetch('platform_express_event_raw', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(body)
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// Prefer inserting richer metadata when the upgraded schema is present.
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// If the database schema is older (missing columns), fall back to minimal.
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const meta = arguments && arguments.length >= 5 ? arguments[4] : null
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const extended = Object.assign({}, minimal, {
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source: 'webhook',
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client_id: meta && meta.client_id ? meta.client_id : null,
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signature: meta && meta.signature ? meta.signature : null,
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ts_header: meta && meta.ts_header ? meta.ts_header : null,
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request_id: meta && meta.request_id ? meta.request_id : null,
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remote_ip: meta && meta.remote_ip ? meta.remote_ip : null,
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headers: meta && meta.headers ? meta.headers : null,
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dedupe_key: meta && meta.dedupe_key ? meta.dedupe_key : null
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})
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const tryInsert = async (row) => {
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return await supaFetch('platform_express_event_raw', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(row)
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})
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}
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let resp = await tryInsert(extended)
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if (resp && !resp.ok) {
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const txt = await resp.text().catch(() => '')
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if (resp.status === 400 && /column .* does not exist/i.test(txt)) {
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resp = await tryInsert(minimal)
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}
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}
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return resp
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} catch (e) {
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console.warn('upsertRaw error', e)
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@@ -178,13 +205,25 @@ async function start() {
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}
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const app = express()
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app.use(bodyParser.json({ limit: '1mb' }))
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// Capture raw body for signature verification.
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app.use(bodyParser.json({
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limit: '1mb',
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verify: (req, res, buf) => {
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try {
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req.rawBody = buf ? buf.toString('utf8') : ''
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} catch (e) {
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req.rawBody = ''
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}
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}
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}))
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app.post('/webhook/express/status', async (req, res) => {
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const ts = req.headers['x-timestamp'] || req.headers['X-TIMESTAMP'] || ''
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const sig = req.headers['x-signature'] || req.headers['X-SIGNATURE'] || ''
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const cid = req.headers['x-client-id'] || req.headers['X-CLIENT-ID'] || ''
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const bodyText = JSON.stringify(req.body || {})
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const ts = req.headers['x-timestamp'] || ''
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const sig = req.headers['x-signature'] || ''
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const cid = req.headers['x-client-id'] || ''
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const bodyText = (req.rawBody && typeof req.rawBody === 'string' && req.rawBody.length > 0)
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? req.rawBody
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: JSON.stringify(req.body || {})
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let sigValid = true
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if (WEBHOOK_SECRET) {
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@@ -192,13 +231,32 @@ async function start() {
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sigValid = calc === String(sig)
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}
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// Optional strict mode: reject invalid signature when secret is configured.
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if (WEBHOOK_SECRET && !sigValid && process.env.WEBHOOK_REJECT_INVALID_SIGNATURE === 'true') {
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return res.status(401).json({ ok: false, message: 'invalid signature' })
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}
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// persist raw (best-effort)
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await upsertRaw(
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req.body || {},
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req.body && (req.body.mailNo || req.body.tracking_no),
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req.body && (req.body.carrier || req.body.company),
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sigValid
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)
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const tracking_no_raw = req.body && (req.body.mailNo || req.body.tracking_no)
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const carrier_raw = req.body && (req.body.carrier || req.body.company)
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const dedupe_key_raw = (() => {
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try {
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const base = String(bodyText || '') + '|' + String(ts || '')
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return 'RAW_' + crypto.createHash('sha256').update(base).digest('hex').slice(0, 32)
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} catch (e) {
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return null
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}
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})()
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await upsertRaw(req.body || {}, tracking_no_raw, carrier_raw, sigValid, {
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client_id: String(cid || '') || null,
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signature: String(sig || '') || null,
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ts_header: String(ts || '') || null,
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remote_ip: (req.ip || (req.connection && req.connection.remoteAddress) || null),
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request_id: null,
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headers: req.headers || null,
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dedupe_key: dedupe_key_raw
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})
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// find waybill
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const tracking_no = req.body && (req.body.mailNo || req.body.tracking_no)
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