refactor(openapi): 客户端签名统一为字典序+&拼接风格
- BuildOpenV1Sign 改为 app_key/body_sha256/method/nonce/path/timestamp 按 ASCII 字典序用 & 拼接,与上游 BuildSignString 风格一致 - body 以 SHA256 摘要参与签名,避免大 body 与特殊字符问题 - 同步更新中间件调用点、测试用例与前端鉴权文档
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@@ -35,7 +35,8 @@ type OpenAuthConfig struct {
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}
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// OpenAuth 校验独立 API 客户端、时间戳、持久化 nonce 与 HMAC 签名。
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// 客户侧新接口只使用 X-App-Key 和 body SHA256;上游发货接口独立使用 SourceOpenAuth。
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// 客户侧接口使用 X-App-Key + 字典序 & 拼接签名(app_key/body_sha256/method/nonce/path/timestamp);
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// 上游发货接口独立使用 SourceOpenAuth(api_key + 原始 body)。
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func OpenAuth(cfg OpenAuthConfig) gin.HandlerFunc {
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if cfg.SkewSeconds <= 0 {
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cfg.SkewSeconds = 300
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@@ -100,7 +101,7 @@ func OpenAuth(cfg OpenAuthConfig) gin.HandlerFunc {
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method := strings.ToUpper(c.Request.Method)
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path := c.Request.URL.Path
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expected := BuildOpenV1Sign(secret, timestamp, nonce, method, path, bodyBytes)
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expected := BuildOpenV1Sign(secret, appKey, timestamp, nonce, method, path, bodyBytes)
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if !hmac.Equal([]byte(strings.ToLower(sign)), []byte(expected)) {
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response.Unauthorized(c, "签名校验失败")
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c.Abort()
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@@ -164,20 +165,23 @@ func GetMerchantID(c *gin.Context) uint {
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return merchantID
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}
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// BuildOpenV1Sign 生成新开放接口签名:timestamp、nonce、method、path 与 body SHA256。
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func BuildOpenV1Sign(secret, timestamp, nonce, method, path string, body []byte) string {
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// BuildOpenV1Sign 生成客户侧开放接口签名:参数按 ASCII 字典序 + "&" 拼接,
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// 与上游 BuildSignString 风格一致;body 以 SHA256 摘要参与签名(避免大 body 与特殊字符问题)。
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// 参与签名的参数固定顺序为:app_key, body_sha256, method, nonce, path, timestamp。
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func BuildOpenV1Sign(secret, appKey, timestamp, nonce, method, path string, body []byte) string {
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bodyHash := sha256.Sum256(body)
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content := strings.Join([]string{
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timestamp,
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nonce,
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strings.ToUpper(method),
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path,
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hex.EncodeToString(bodyHash[:]),
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}, "\n")
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"app_key=" + appKey,
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"body_sha256=" + hex.EncodeToString(bodyHash[:]),
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"method=" + strings.ToUpper(method),
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"nonce=" + nonce,
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"path=" + path,
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"timestamp=" + timestamp,
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}, "&")
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return hmacSHA256Hex(secret, content)
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}
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// BuildSignString 保留旧接口的字典序签名算法,供兼容客户端和测试使用。
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// BuildSignString 保留旧接口的字典序签名算法,供上游发货兼容客户端和测试使用。
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func BuildSignString(apiKey, timestamp, nonce, method, path, body string) string {
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return strings.Join([]string{
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"api_key=" + apiKey,
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@@ -66,7 +66,7 @@ func TestOpenAuthV1AcceptsSignedRequestAndRejectsReplay(t *testing.T) {
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ts := strconv.FormatInt(time.Now().Unix(), 10)
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nonce := "nonce-123456"
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path := "/api/client/v1/orders"
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sign := BuildOpenV1Sign(secret, ts, nonce, http.MethodPost, path, []byte(body))
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sign := BuildOpenV1Sign(secret, appKey, ts, nonce, http.MethodPost, path, []byte(body))
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req := httptest.NewRequest(http.MethodPost, path, strings.NewReader(body))
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req.Header.Set("X-App-Key", appKey)
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@@ -125,33 +125,32 @@ function AuthTab() {
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<Card size="small" title="签名算法">
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<Descriptions size="small" column={1} bordered>
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<Descriptions.Item label="签名内容">
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<Text code>{'timestamp\nnonce\nMETHOD\npath\nsha256(body)'}</Text>
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<Descriptions.Item label="参与参数">
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<Text code>app_key</Text>、<Text code>body_sha256</Text>、<Text code>method</Text>、<Text code>nonce</Text>、<Text code>path</Text>、<Text code>timestamp</Text>
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</Descriptions.Item>
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<Descriptions.Item label="拼接方式">按固定顺序,用换行符 <Text code>\n</Text> 拼接</Descriptions.Item>
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<Descriptions.Item label="METHOD">大写,如 GET / POST</Descriptions.Item>
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<Descriptions.Item label="拼接方式">参数按 ASCII 字典序,用 <Text code>&</Text> 拼成 <Text code>k1=v1&k2=v2&...</Text></Descriptions.Item>
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<Descriptions.Item label="排序后顺序">
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<Text code>app_key, body_sha256, method, nonce, path, timestamp</Text>
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</Descriptions.Item>
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<Descriptions.Item label="method">大写,如 GET / POST</Descriptions.Item>
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<Descriptions.Item label="path">仅 URL.Path,不含域名和 query</Descriptions.Item>
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<Descriptions.Item label="body">GET 为空字节;POST 必须与实际发送 body 完全一致</Descriptions.Item>
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<Descriptions.Item label="body_sha256">
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<Text code>SHA256(原始 body 字节)</Text> 的十六进制小写;GET 用空 body 的摘要
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</Descriptions.Item>
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<Descriptions.Item label="value">原样拼接,不做 URL encode</Descriptions.Item>
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<Descriptions.Item label="X-Sign">
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<Text code>hex( HMAC-SHA256( app_secret, 签名内容 ) )</Text>,小写十六进制
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<Text code>hex( HMAC-SHA256( app_secret, 签名串 ) )</Text>,小写十六进制
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</Descriptions.Item>
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</Descriptions>
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</Card>
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<Card size="small" title="签名示例(GET,body 为空)">
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<pre style={preStyle}>{`timestamp
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nonce
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GET
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/api/client/v1/products
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sha256("") = e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855`}</pre>
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<pre style={preStyle}>{`app_key=ak_xxx&body_sha256=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855&method=GET&nonce=a1b2c3d4e5f67890&path=/api/client/v1/products×tamp=1721450000`}</pre>
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</Card>
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<Card size="small" title="签名示例(POST,body 非空)">
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<pre style={preStyle}>{`timestamp
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nonce
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POST
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/api/client/v1/orders
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sha256(body) = <实际请求 body 字节的 SHA256 十六进制>`}</pre>
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<pre style={preStyle}>{`# body = {"client_order_no":"shop-10001","sku":"suit_pink_sheep"}
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app_key=ak_xxx&body_sha256=<实际请求 body 字节的 SHA256 十六进制>&method=POST&nonce=a1b2c3d4e5f67890&path=/api/client/v1/orders×tamp=1721450000`}</pre>
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</Card>
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<Alert
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@@ -161,7 +160,8 @@ sha256(body) = <实际请求 body 字节的 SHA256 十六进制>`}</pre>
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description={
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<ul style={{ margin: 0, paddingLeft: 20 }}>
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<li>POST 签名用的 <Text code>body</Text> 必须与实际发送的 body <b>字节级一致</b>,不要签名后再改空格或字段顺序。</li>
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<li>签名失败常见原因:secret 错、path 多了 query、body 不一致、时间戳过期、nonce 重复。</li>
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<li>value <b>不要</b> URL encode,原样参与拼接。</li>
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<li>签名失败常见原因:secret 错、path 多了 query、body 与签名不一致、时间戳过期、nonce 重复、参数未按字典序拼接。</li>
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<li>下单接口还需携带 <Text code>Idempotency-Key</Text>,且必须与 <Text code>client_order_no</Text> 一致。</li>
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</ul>
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}
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