feat: 引入签名认证、加密工具包及大量goctl代码生成模板，并更新API、Admin和Node服务逻辑。

apps/node/internal/middleware/signatureMiddleware.go

@@ -0,0 +1,88 @@
+package middleware
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+	"strings"
+
+	"github.com/zero-ppanel/zero-ppanel/apps/node/internal/config"
+	"github.com/zero-ppanel/zero-ppanel/pkg/signature"
+	"github.com/zero-ppanel/zero-ppanel/pkg/xerr"
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+type SignatureMiddleware struct {
+	conf      config.Config
+	validator *signature.Validator
+}
+
+func NewSignatureMiddleware(c config.Config, store signature.NonceStore) *SignatureMiddleware {
+	return &SignatureMiddleware{
+		conf:      c,
+		validator: signature.NewValidator(c.AppSignature, store),
+	}
+}
+
+func (m *SignatureMiddleware) Handle(next http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		appId := r.Header.Get("X-App-Id")
+		if appId == "" {
+			next(w, r)
+			return
+		}
+
+		for _, prefix := range m.conf.AppSignature.SkipPrefixes {
+			if strings.HasPrefix(r.URL.Path, prefix) {
+				next(w, r)
+				return
+			}
+		}
+
+		timestamp := r.Header.Get("X-Timestamp")
+		nonce := r.Header.Get("X-Nonce")
+		sig := r.Header.Get("X-Signature")
+
+		if timestamp == "" || nonce == "" || sig == "" {
+			httpx.WriteJson(w, http.StatusUnauthorized, buildErrResp(xerr.SignatureMissing))
+			return
+		}
+
+		var bodyBytes []byte
+		if r.Body != nil {
+			bodyBytes, _ = io.ReadAll(r.Body)
+			r.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
+		}
+
+		sts := signature.BuildStringToSign(r.Method, r.URL.Path, r.URL.RawQuery, bodyBytes, appId, timestamp, nonce)
+
+		if err := m.validator.Validate(r.Context(), appId, timestamp, nonce, sig, sts); err != nil {
+			code := mapSignatureErr(err)
+			httpx.WriteJson(w, http.StatusUnauthorized, buildErrResp(code))
+			return
+		}
+
+		next(w, r)
+	}
+}
+
+func mapSignatureErr(err error) int {
+	switch err {
+	case signature.ErrSignatureMissing:
+		return xerr.SignatureMissing
+	case signature.ErrSignatureExpired:
+		return xerr.SignatureExpired
+	case signature.ErrSignatureReplay:
+		return xerr.SignatureReplay
+	default:
+		return xerr.SignatureInvalid
+	}
+}
+
+func buildErrResp(code int) map[string]interface{} {
+	return map[string]interface{}{
+		"code": code,
+		"msg":  xerr.MapErrMsg(code),
+		"data": nil,
+	}
+}