mitm: Refactor & Add url

script/modules/boxctx/context.go

@@ -0,0 +1,50 @@
+package boxctx
+
+import (
+	"context"
+	"time"
+
+	"github.com/sagernet/sing-box/script/jsc"
+	"github.com/sagernet/sing/common/logger"
+
+	"github.com/dop251/goja"
+)
+
+type Context struct {
+	class        jsc.Class[*Module, *Context]
+	Context      context.Context
+	Logger       logger.ContextLogger
+	Tag          string
+	StartedAt    time.Time
+	ErrorHandler func(error)
+}
+
+func FromRuntime(runtime *goja.Runtime) *Context {
+	contextValue := runtime.Get("context")
+	if contextValue == nil {
+		return nil
+	}
+	context, isContext := contextValue.Export().(*Context)
+	if !isContext {
+		return nil
+	}
+	return context
+}
+
+func MustFromRuntime(runtime *goja.Runtime) *Context {
+	context := FromRuntime(runtime)
+	if context == nil {
+		panic(runtime.NewTypeError("Missing sing-box context"))
+	}
+	return context
+}
+
+func createContext(module *Module) jsc.Class[*Module, *Context] {
+	class := jsc.NewClass[*Module, *Context](module)
+	class.DefineMethod("toString", (*Context).toString)
+	return class
+}
+
+func (c *Context) toString(call goja.FunctionCall) any {
+	return "[sing-box Context]"
+}

script/modules/boxctx/module.go

@@ -0,0 +1,35 @@
+package boxctx
+
+import (
+	"github.com/sagernet/sing-box/script/jsc"
+	"github.com/sagernet/sing-box/script/modules/require"
+
+	"github.com/dop251/goja"
+)
+
+const ModuleName = "context"
+
+type Module struct {
+	runtime      *goja.Runtime
+	classContext jsc.Class[*Module, *Context]
+}
+
+func Require(runtime *goja.Runtime, module *goja.Object) {
+	m := &Module{
+		runtime: runtime,
+	}
+	m.classContext = createContext(m)
+	exports := module.Get("exports").(*goja.Object)
+	exports.Set("Context", m.classContext.ToValue())
+}
+
+func Enable(runtime *goja.Runtime, context *Context) {
+	exports := require.Require(runtime, ModuleName).ToObject(runtime)
+	classContext := jsc.GetClass[*Module, *Context](runtime, exports, "Context")
+	context.class = classContext
+	runtime.Set("context", classContext.New(context))
+}
+
+func (m *Module) Runtime() *goja.Runtime {
+	return m.runtime
+}