feat: add nginx rewrite compatible wasm plugin (#3823)

Signed-off-by: johnlanni <zty98751@alibaba-inc.com>

plugins/wasm-go/extensions/nginx-rewrite-compatible/main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/alibaba/higress/plugins/wasm-go/extensions/nginx-rewrite-compatible/pkg"
+	"github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types"
+	"github.com/higress-group/wasm-go/pkg/log"
+	"github.com/higress-group/wasm-go/pkg/wrapper"
+	"github.com/tidwall/gjson"
+)
+
+func main() {}
+
+func init() {
+	wrapper.SetCtx(
+		"nginx-rewrite-compatible",
+		wrapper.ParseConfigBy(parseConfig),
+		wrapper.ProcessRequestHeadersBy(onHttpRequestHeaders),
+	)
+}
+
+// @Name nginx-rewrite-compatible
+// @Category custom
+// @Phase UNSPECIFIED_PHASE
+// @Priority 100
+// @Title zh-CN Nginx Rewrite 兼容迁移
+// @Title en-US Nginx Rewrite Compatibility Migration
+// @Description zh-CN 提供与 nginx rewrite + set 指令组合等价的路径重写、查询串重写，以及通过 arg_/http_/cookie_ 前缀修改请求参数、请求头和 Cookie 的能力，用于安全迁移到 Higress。
+// @Description en-US Provides path rewrite, query rewrite, and nginx-style arg_/http_/cookie_ variable handling for request parameters, headers, and cookies, enabling safe migration to Higress.
+// @Version 1.0.0
+func parseConfig(json gjson.Result, config *pkg.PluginConfig, logger log.Log) error {
+	if err := config.FromJson(json); err != nil {
+		return fmt.Errorf("failed to parse plugin config: %w", err)
+	}
+	return nil
+}
+
+func onHttpRequestHeaders(ctx wrapper.HttpContext, config pkg.PluginConfig, logger log.Log) types.Action {
+	changed, err := config.Apply(ctx, logger)
+	if err != nil {
+		logger.Errorf("failed to apply rewrite rules: %v", err)
+		return types.ActionContinue
+	}
+	if changed {
+		logger.Debugf("rewrite rules applied successfully")
+	}
+	return types.ActionContinue
+}