过程：

在调用加密函数前面插入以下代码

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Hlclient.prototype.connect = function () {
                    console.log('begin of connect to wsURL: ' + this.wsURL);
                    var _this = this;
                    try {
                        this.socket["ySocket"] = new WebSocket(this.wsURL);
                        this.socket["ySocket"].onmessage = function (e) {
                            try{
                                let blob=e.data
                                blob.text().then(data =>{
                                    _this.handlerRequest(data);
                                })
                            }catch{
                                console.log("not blob")
                                _this.handlerRequest(blob)
                            }
                
                        }
                    } catch (e) {
                        console.log("connection failed,reconnect after 10s");
                        setTimeout(function () {
                            _this.connect()
                        }, 10000)
                    }
                    this.socket["ySocket"].onclose = function () {
                        console.log("connection failed,reconnect after 10s");
                        setTimeout(function () {
                            _this.connect()
                        }, 10000)
                    }
                
                };
                Hlclient.prototype.send = function (msg) {
                    this.socket["ySocket"].send(msg)
                }
                
                Hlclient.prototype.regAction = function (func_name, func) {
                    if (typeof func_name !== 'string') {
                        throw new Error("an func_name must be string");
                    }
                    if (typeof func !== 'function') {
                        throw new Error("must be function");
                    }
                    console.log("register func_name: " + func_name);
                    this.handlers[func_name] = func;
                    return true
                
                }
                
                //收到消息后这里处理，
                Hlclient.prototype.handlerRequest = function (requestJson) {
                    var _this = this;
                    var result=JSON.parse(requestJson);
                    //console.log(result)
                    if (!result['action']) {
                        this.sendResult('','need request param {action}');
                        return
                    }
                    var action=result["action"]
                    var theHandler = this.handlers[action];
                    if (!theHandler){
                        this.sendResult(action,'action not found');
                        return
                    }
                    try {
                        if (!result["param"]){
                            theHandler(function (response) {
                                _this.sendResult(action, response);
                            })
                        }else{
                            var param=result["param"]
                            try {
                                param=JSON.parse(param)
                            }catch (e){
                                console.log("")
                            }
                            theHandler(function (response) {
                                _this.sendResult(action, response);
                            },param)
                        }
                
                    } catch (e) {
                        console.log("error: " + e);
                        _this.sendResult(action+e);
                    }
                }
                
                Hlclient.prototype.sendResult = function (action, e) {
                    this.send(action + atob("aGxeX14") + e);
                }

                var hlc = new Hlclient("ws://127.0.0.1:12080/ws?group=zzz&name=hlg");
                hlc.regAction("getenc", function (resolve,param) {
                    var myenc = a.encryptedData(param)
                    resolve(myenc);
                
                }),

a.encryptedData是目标js文件里的加密函数

然后输入账号密码登录，js rpc 上线成功。

访问：http://127.0.0.1:12080/go?group=zzz&name=hlg&action=getenc&param=ffff

测试成功，不要关闭刷新网页。

python调用代码：

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import requests,time
from concurrent.futures.thread import ThreadPoolExecutor
tp = ThreadPoolExecutor(max_workers=50)
def fetch_response(url):
    response = requests.get(url)
    return url,response.text

def callback_successed(f):
    print(f.result())

start_timestamp = time.time()
for i in range(100):
    tp.submit(fetch_response,"http://localhost:12080/go?group=zzz&name=hlg&action=getenc&param={}".format(i)).add_done_callback(callback_successed)
tp.shutdown()
end_timestamp = time.time()

print("每个请求时间开销:{}ms".format(round(end_timestamp-start_timestamp,3) *1000 / 100))

参考链接：

https://jason-yep.notion.site/JS-fc9829a45c4347d3bc3ab2bac37c85f3#dfc92edcea27497297541c095d1e8421

https://github.com/jxhczhl/JsRpc