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删除不需要的文件

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This commit is contained in:
刘祥超
2021-12-24 15:00:49 +08:00
parent 56961c1476
commit f930705fd7
13 changed files with 1 additions and 823 deletions
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1
internal/js/.gitignore vendored Normal file
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*.go

50
internal/js/console.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"encoding/json"
"github.com/iwind/TeaGo/logs"
"reflect"
)
type Console struct {
}
func (this *Console) Log(args ...interface{}) {
for index, arg := range args {
if arg != nil {
switch arg.(type) {
case bool, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, string:
default:
var argType = reflect.TypeOf(arg)
// 是否有String()方法，如果有直接调用
method, ok := argType.MethodByName("String")
if ok && method.Type.NumIn() == 1 && method.Type.NumOut() == 1 && method.Type.Out(0).Kind() == reflect.String {
args[index] = method.Func.Call([]reflect.Value{reflect.ValueOf(arg)})[0].String()
continue
}
// 转为JSON
argJSON, err := this.toJSON(arg)
if err != nil {
if argType.Kind() == reflect.Func {
args[index] = "[function]"
} else {
args[index] = "[object]"
}
} else {
args[index] = string(argJSON)
}
}
} else {
args[index] = "null"
}
}
logs.Println(append([]interface{}{"[js][console]"}, args...)...)
}
func (this *Console) toJSON(o interface{}) ([]byte, error) {
return json.Marshal(o)
}

38
internal/js/console_test.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"testing"
)
func TestConsole_Log(t *testing.T) {
{
vm := NewVM()
_, err := vm.RunString("console.log('Hello', 'world')")
if err != nil {
t.Fatal(err)
}
}
{
vm := NewVM()
_, err := vm.RunString("console.log(null, true, false, 10, 10.123)")
if err != nil {
t.Fatal(err)
}
}
{
vm := NewVM()
_, err := vm.RunString("console.log({ a:1, b:2 })")
if err != nil {
t.Fatal(err)
}
}
{
vm := NewVM()
_, err := vm.RunString("console.log(console.log)")
if err != nil {
t.Fatal(err)
}
}
}

36
internal/js/http.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
type HTTP struct {
r RequestInterface
req *Request
resp *Response
onRequest func(req *Request, resp *Response)
}
func NewHTTP(r RequestInterface) *HTTP {
return &HTTP{
req: NewRequest(r),
resp: NewResponse(r),
}
}
func (this *HTTP) OnRequest(callback func(req *Request, resp *Response)) {
// TODO 考虑是否支持多个callback
this.onRequest = callback
}
func (this *HTTP) OnData(callback func(req *Request, resp *Response)) {
// TODO
}
func (this *HTTP) OnResponse(callback func(req *Request, resp *Response)) {
// TODO
}
func (this *HTTP) TriggerRequest() {
this.onRequest(this.req, this.resp)
}

82
internal/js/request.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"bytes"
"io/ioutil"
"net"
)
type Request struct {
r RequestInterface
}
func NewRequest(r RequestInterface) *Request {
return &Request{
r: r,
}
}
func (this *Request) Proto() string {
return this.r.JSRequest().Proto
}
func (this *Request) Method() string {
return this.r.JSRequest().Method
}
func (this *Request) Header() map[string][]string {
return this.r.JSRequest().Header
}
func (this *Request) AddHeader(name string, value string) {
this.r.JSRequest().Header[name] = append(this.r.JSRequest().Header[name], value)
}
func (this *Request) SetHeader(name string, value string) {
this.r.JSRequest().Header[name] = []string{value}
}
func (this *Request) RemoteAddr() string {
var remoteAddr = this.r.JSRequest().RemoteAddr
host, _, err := net.SplitHostPort(remoteAddr)
if err == nil {
return host
}
return remoteAddr
}
func (this *Request) Url() *URL {
return NewURL(this.r.JSRequest().URL)
}
func (this *Request) ContentLength() int64 {
return this.r.JSRequest().ContentLength
}
func (this *Request) Body() []byte {
var bodyReader = this.r.JSRequest().Body
if bodyReader == nil {
return []byte{}
}
data, err := ioutil.ReadAll(bodyReader)
if err != nil {
this.r.JSLog("read body failed: " + err.Error())
}
return data
}
func (this *Request) CopyBody() []byte {
var bodyReader = this.r.JSRequest().Body
if bodyReader == nil {
return []byte{}
}
data, err := ioutil.ReadAll(bodyReader)
if err != nil {
this.r.JSLog("read body failed: " + err.Error())
}
this.r.JSRequest().Body = ioutil.NopCloser(bytes.NewReader(data))
return data
}

19
internal/js/request_interface.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import "net/http"
type RequestInterface interface {
// JSRequest 请求
JSRequest() *http.Request
// JSWriter 响应
JSWriter() http.ResponseWriter
// JSStop 中止请求
JSStop()
// JSLog 打印日志
JSLog(msg ...interface{})
}

124
internal/js/request_test.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js_test
import (
"bytes"
"github.com/TeaOSLab/EdgeNode/internal/js"
"github.com/iwind/TeaGo/logs"
"io/ioutil"
"net/http"
"testing"
)
type testRequest struct {
rawRequest *http.Request
rawResponse *testResponse
}
func (this *testRequest) JSRequest() *http.Request {
if this.rawRequest != nil {
return this.rawRequest
}
req, _ := http.NewRequest(http.MethodGet, "https://iwind:123456@goedge.cn/docs?name=Libai&age=20", nil)
req.Header.Set("Server", "edgejs/1.0")
req.Header.Set("Content-Type", "application/json")
req.Body = ioutil.NopCloser(bytes.NewReader([]byte("123456")))
this.rawRequest = req
return req
}
func (this *testRequest) JSWriter() http.ResponseWriter {
if this.rawResponse != nil {
return this.rawResponse
}
this.rawResponse = &testResponse{}
return this.rawResponse
}
func (this *testRequest) JSStop() {
}
func (this *testRequest) JSLog(msg ...interface{}) {
logs.Println(msg...)
}
type testResponse struct {
statusCode int
header http.Header
}
func (this *testResponse) Header() http.Header {
if this.header == nil {
this.header = http.Header{}
}
return this.header
}
func (this *testResponse) Write(p []byte) (int, error) {
return len(p), nil
}
func (this *testResponse) WriteHeader(statusCode int) {
this.statusCode = statusCode
}
func TestRequest(t *testing.T) {
vm := js.NewVM()
vm.SetRequest(&testRequest{})
// 事件监听
_, err := vm.RunString(`
http.onRequest(function (req, resp) {
console.log(req.proto())
let url = req.url()
console.log(url, "port:", url.port(), "args:", url.args())
console.log("username:", url.username(), "password:", url.password())
console.log("uri:", url.uri(), "path:", url.path())
req.addHeader("Server", "1.0")
resp.write("this is response")
console.log(resp)
console.log(req.body())
})
`)
if err != nil {
t.Fatal(err)
}
// 触发事件
_, err = vm.RunString(`http.triggerRequest()`)
if err != nil {
t.Fatal(err)
}
}
func TestRequest_Header(t *testing.T) {
var req = js.NewRequest(&testRequest{})
logs.PrintAsJSON(req.Header(), t)
req.AddHeader("Content-Length", "10")
req.AddHeader("Vary", "1.0")
req.AddHeader("Vary", "2.0")
logs.PrintAsJSON(req.Header(), t)
req.SetHeader("Vary", "3.0")
logs.PrintAsJSON(req.Header(), t)
}
func TestRequest_Body(t *testing.T) {
var req = js.NewRequest(&testRequest{})
t.Log(string(req.Body()))
t.Log(string(req.Body()))
}
func TestRequest_CopyBody(t *testing.T) {
var req = js.NewRequest(&testRequest{})
t.Log(string(req.CopyBody()))
t.Log(string(req.CopyBody()))
}

39
internal/js/response.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
type Response struct {
r RequestInterface
}
func NewResponse(r RequestInterface) *Response {
return &Response{
r: r,
}
}
func (this *Response) Write(s string) error {
_, err := this.r.JSWriter().Write([]byte(s))
return err
}
func (this *Response) Reply(status int) {
this.SetStatus(status)
this.r.JSStop()
}
func (this *Response) Header() map[string][]string {
return this.r.JSWriter().Header()
}
func (this *Response) AddHeader(name string, value string) {
this.r.JSWriter().Header()[name] = append(this.r.JSWriter().Header()[name], value)
}
func (this *Response) SetHeader(name string, value string) {
this.r.JSWriter().Header()[name] = []string{value}
}
func (this *Response) SetStatus(statusCode int) {
this.r.JSWriter().WriteHeader(statusCode)
}

16
internal/js/response_test.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js_test
import (
"github.com/TeaOSLab/EdgeNode/internal/js"
"testing"
)
func TestNewResponse(t *testing.T) {
var resp = js.NewResponse(&testRequest{})
resp.AddHeader("Vary", "1.0")
resp.AddHeader("Vary", "2.0")
resp.SetHeader("Server", "edgejs/1.0")
t.Logf("%#v", resp.Header())
}

90
internal/js/url.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"github.com/dop251/goja"
"github.com/iwind/TeaGo/types"
"net/url"
)
type URL struct {
u *url.URL
}
func NewURL(u *url.URL) *URL {
return &URL{
u: u,
}
}
func (this *URL) JSNew(args []goja.Value) *URL {
var urlString = ""
if len(args) == 1 {
urlString = args[0].String()
}
u, _ := url.Parse(urlString)
if u == nil {
u = &url.URL{}
}
return NewURL(u)
}
func (this *URL) Port() int {
return types.Int(this.u.Port())
}
func (this *URL) Args() map[string][]string {
return this.u.Query()
}
func (this *URL) Arg(name string) string {
return this.u.Query().Get(name)
}
func (this *URL) Username() string {
if this.u.User != nil {
return this.u.User.Username()
}
return ""
}
func (this *URL) Password() string {
if this.u.User != nil {
password, _ := this.u.User.Password()
return password
}
return ""
}
func (this *URL) Uri() string {
return this.u.RequestURI()
}
func (this *URL) Path() string {
return this.u.Path
}
func (this *URL) Host() string {
return this.u.Host
}
func (this *URL) Fragment() string {
return this.u.Fragment
}
func (this *URL) Hash() string {
if len(this.u.Fragment) > 0 {
return "#" + this.u.Fragment
} else {
return ""
}
}
func (this *URL) Scheme() string {
return this.u.Scheme
}
func (this *URL) String() string {
return this.u.String()
}

18
internal/js/url_test.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"net/url"
"testing"
)
func TestURL(t *testing.T) {
raw, err := url.Parse("https://iwind:123456@goedge.cn/docs?name=Libai&age=20#a=b")
if err != nil {
t.Fatal(err)
}
var u = NewURL(raw)
t.Log("host:", u.Host())
t.Log("hash:", u.Hash())
}

153
internal/js/vm.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"errors"
"github.com/dop251/goja"
"github.com/iwind/TeaGo/logs"
"reflect"
"strings"
)
var sharedPrograms []*goja.Program
var sharedConsole = &Console{}
func init() {
// compile programs
}
type VM struct {
vm *goja.Runtime
}
func NewVM() *VM {
vm := goja.New()
vm.SetFieldNameMapper(goja.TagFieldNameMapper("json", true))
// programs
for _, program := range sharedPrograms {
_, _ = vm.RunProgram(program)
}
v := &VM{vm: vm}
v.initVM()
return v
}
func (this *VM) Set(name string, obj interface{}) error {
return this.vm.Set(name, obj)
}
func (this *VM) AddConstructor(name string, instance interface{}) error {
objType := reflect.TypeOf(instance)
if objType.Kind() != reflect.Ptr {
return errors.New("instance should be pointer")
}
// construct
newMethod, ok := objType.MethodByName("JSNew")
if !ok {
return errors.New("can not find 'JSNew()' method in '" + objType.Elem().Name() + "'")
}
var err = this.Set(name, func(call goja.ConstructorCall) *goja.Object {
if newMethod.Type.NumIn() != 2 {
this.throw(errors.New(objType.Elem().Name() + ".JSNew() should accept a '[]goja.Value' argument"))
return nil
}
if newMethod.Type.In(1).String() != "[]goja.Value" {
this.throw(errors.New(objType.Elem().Name() + ".JSNew() should accept a '[]goja.Value' argument"))
return nil
}
// new
var results = newMethod.Func.Call([]reflect.Value{reflect.ValueOf(instance), reflect.ValueOf(call.Arguments)})
if len(results) == 0 {
this.throw(errors.New(objType.Elem().Name() + ".JSNew() should return a valid instance"))
return nil
}
var result = results[0]
if result.Type() != objType {
this.throw(errors.New(objType.Elem().Name() + ".JSNew() should return a same instance"))
return nil
}
// methods
var resultType = result.Type()
var numMethod = result.NumMethod()
for i := 0; i < numMethod; i++ {
var method = resultType.Method(i)
var methodName = strings.ToLower(method.Name[:1]) + method.Name[1:]
err := call.This.Set(methodName, result.MethodByName(method.Name).Interface())
if err != nil {
this.throw(err)
continue
}
}
// 支持属性
var numField = result.Elem().Type().NumField()
for i := 0; i < numField; i++ {
var field = result.Elem().Field(i)
if !field.CanInterface() {
continue
}
var fieldType = objType.Elem().Field(i)
tag, ok := fieldType.Tag.Lookup("json")
if !ok {
tag = fieldType.Name
tag = strings.ToLower(tag[:1]) + tag[1:]
} else {
// TODO 校验tag是否符合变量语法
}
err := call.This.Set(tag, field.Interface())
if err != nil {
this.throw(err)
continue
}
}
return nil
})
return err
}
func (this *VM) RunString(str string) (goja.Value, error) {
defer func() {
e := recover()
if e != nil {
// TODO 需要打印trace
logs.Println("panic:", e)
}
}()
return this.vm.RunString(str)
}
func (this *VM) SetRequest(req RequestInterface) {
{
err := this.vm.Set("http", NewHTTP(req))
if err != nil {
this.throw(err)
}
}
}
func (this *VM) initVM() {
{
err := this.vm.Set("console", sharedConsole)
if err != nil {
this.throw(err)
}
}
}
func (this *VM) throw(err error) {
if err == nil {
return
}
// TODO
logs.Println("js:VM:error: " + err.Error())
}

158
internal/js/vm_test.go
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package js
import (
"github.com/dop251/goja"
"testing"
"time"
)
func TestNewVM(t *testing.T) {
before := time.Now()
defer func() {
t.Log(time.Since(before).Seconds()*1000, "ms")
}()
vm := NewVM()
{
v, err := vm.RunString("JSON.stringify({\"a\":\"b\"})")
if err != nil {
t.Fatal(err)
}
t.Log("JSON.stringify():", v)
}
{
v, err := vm.RunString(`JSON.parse('{\"a\":\"b\"}')`)
if err != nil {
t.Fatal(err)
}
t.Log("JSON.parse():", v)
}
{
err := vm.AddConstructor("Url", &URL{})
if err != nil {
t.Fatal("add constructor error:", err)
}
_, err = vm.RunString(`
{
let u = new Url("https://goedge.cn/docs?v=1")
console.log("host:", u.host(), u.uri())
}
{
let u = new Url("https://teaos.cn/downloads?v=1")
console.log("host:", u.host(), u.uri())
}
{
let u = new Url()
console.log("host:", u.host(), u.uri())
}
{
let u = new Url("a", "b", "c")
console.log("host:", u.host(), u.uri())
}
`)
if err != nil {
t.Fatal("add constructor error:" + err.Error())
}
}
}
func TestVM_Program(t *testing.T) {
var s = `
{
let u = new Url("https://goedge.cn/docs?v=1")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("https://teaos.cn/downloads?v=1")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url()
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("a", "b", "c")
//console.log("host:", u.host(), u.uri())
}
`
program := goja.MustCompile("s", s, true)
before := time.Now()
defer func() {
t.Log(time.Since(before).Seconds()*1000, "ms")
}()
vm := NewVM()
err := vm.AddConstructor("Url", &URL{})
if err != nil {
t.Fatal("add constructor error:", err)
}
//_, err = vm.RunString(s)
_, err = vm.vm.RunProgram(program)
if err != nil {
t.Fatal("add constructor error:" + err.Error())
}
}
func Benchmark_Program(b *testing.B) {
var s = `
{
let u = new Url("https://goedge.cn/docs?v=1")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("https://teaos.cn/downloads?v=1")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url()
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("a", "b", "c")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("https://goedge.cn/docs?v=1")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("https://teaos.cn/downloads?v=1")
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url()
//console.log("host:", u.host(), u.uri())
}
{
let u = new Url("a", "b", "c")
//console.log("host:", u.host(), u.uri())
}
`
program := goja.MustCompile("s", s, true)
vm := NewVM()
err := vm.AddConstructor("Url", &URL{})
if err != nil {
b.Fatal("add constructor error:", err)
}
for i := 0; i < b.N; i++ {
//_, err = vm.RunString(s)
_, err = vm.vm.RunProgram(program)
if err != nil {
b.Fatal("add constructor error:" + err.Error())
}
}
}