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gym-manage-coach-uniapp/utils/signature.js

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+const CryptoJS = require('crypto-js')
+
+const SIGNATURE_SECRET = 'NovalonManageSystemSecretKey2026'
+
+/**
+ * 生成 HMAC-SHA256 签名
+ */
+function generateSignature(method, path, query, body, timestamp, nonce) {
+  const stringToSign = [method, path, query || '', body || '', String(timestamp), nonce].join('\n')
+  const signature = CryptoJS.HmacSHA256(stringToSign, SIGNATURE_SECRET)
+  return CryptoJS.enc.Base64.stringify(signature)
+}
+
+/**
+ * 生成随机 nonce
+ */
+function generateNonce() {
+  const timestamp = Date.now().toString(36)
+  const randomPart = Math.random().toString(36).substring(2, 15)
+  return timestamp + '-' + randomPart
+}
+
+/**
+ * 从 URL 解析 path 和 query
+ */
+function parseUrl(url) {
+  if (url.startsWith('http://') || url.startsWith('https://')) {
+    const withoutProtocol = url.substring(url.indexOf('://') + 3)
+    const pathStart = withoutProtocol.indexOf('/')
+    if (pathStart === -1) return { path: '/', query: '' }
+    const pathAndQuery = withoutProtocol.substring(pathStart)
+    const queryIndex = pathAndQuery.indexOf('?')
+    if (queryIndex === -1) return { path: pathAndQuery, query: '' }
+    return { path: pathAndQuery.substring(0, queryIndex), query: pathAndQuery.substring(queryIndex + 1) }
+  }
+  const queryIndex = url.indexOf('?')
+  if (queryIndex === -1) return { path: url, query: '' }
+  return { path: url.substring(0, queryIndex), query: url.substring(queryIndex + 1) }
+}
+
+/**
+ * 生成签名请求头
+ */
+function generateSignatureHeaders(method, url, body) {
+  const timestamp = Date.now()
+  const nonce = generateNonce()
+  const { path, query } = parseUrl(url)
+  const bodyStr = body ? (typeof body === 'string' ? body : JSON.stringify(body)) : ''
+
+  const signature = generateSignature(method.toUpperCase(), path, query, bodyStr, timestamp, nonce)
+
+  return {
+    'X-Signature': signature,
+    'X-Timestamp': String(timestamp),
+    'X-Nonce': nonce
+  }
+}
+
+module.exports = { generateSignatureHeaders }