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深圳大学大物实验预习题小助手增强版 (modified by WYK)

自动提供参考答案

// ==UserScript==
// @name         深圳大学大物实验预习题小助手增强版 (modified by WYK)
// @namespace    https://github.com/AnotiaWang
// @version      0.56
// @description  自动提供参考答案
// @author       AnotiaWang
// @match        http://172.31.80.102:7101/Student/ReadyForExam/*
// @match        http://172.31.80.245:8101/Student/ReadyForExam/*
// @match        http://172.31.80.45:8101/Student/ReadyForExam/*
// @match        http://172.31.80.16:8101/Student/ReadyForExam/*
// @match        http://172.31.80.95:8101/Student/ReadyForExam/*
// @match        http://172.31.80.1:8101/Student/ReadyForExam/*
// @match        http://172.31.80.102:8101/Student/ReadyForExam/*
// @match        http://172.31.80.14:7101/Student/ReadyForExam/*
// @grant        none
// @require      https://unpkg.com/[email protected]/dist/ajaxhook.min.js
// @license      WTFPL
// ==/UserScript==

(function(e, a) { for(var i in a) e[i] = a[i]; }(window, /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
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/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
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/******/ 			i: moduleId,
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/******/ 				enumerable: true,
/******/ 				get: getter
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/******/ 			function getModuleExports() { return module; };
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/* 0 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


Object.defineProperty(exports, "__esModule", {
    value: true
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

exports.configEvent = configEvent;
exports.hook = hook;
exports.unHook = unHook;
/*
 * author: wendux
 * email: [email protected]
 * source code: https://github.com/wendux/Ajax-hook
 */

// Save original XMLHttpRequest as _rxhr
var realXhr = "_rxhr";

function configEvent(event, xhrProxy) {
    var e = {};
    for (var attr in event) {
        e[attr] = event[attr];
    } // xhrProxy instead
    e.target = e.currentTarget = xhrProxy;
    return e;
}

function hook(proxy) {
    // Avoid double hookAjax
    window[realXhr] = window[realXhr] || XMLHttpRequest;

    XMLHttpRequest = function XMLHttpRequest() {
        var xhr = new window[realXhr]();
        // We shouldn't hookAjax XMLHttpRequest.prototype because we can't
        // guarantee that all attributes are on the prototype。
        // Instead, hooking XMLHttpRequest instance can avoid this problem.
        for (var attr in xhr) {
            var type = "";
            try {
                type = _typeof(xhr[attr]); // May cause exception on some browser
            } catch (e) {}
            if (type === "function") {
                // hookAjax methods of xhr, such as `open`、`send` ...
                this[attr] = hookFunction(attr);
            } else {
                Object.defineProperty(this, attr, {
                    get: getterFactory(attr),
                    set: setterFactory(attr),
                    enumerable: true
                });
            }
        }
        var that = this;
        xhr.getProxy = function () {
            return that;
        };
        this.xhr = xhr;
    };

    // Generate getter for attributes of xhr
    function getterFactory(attr) {
        return function () {
            var v = this.hasOwnProperty(attr + "_") ? this[attr + "_"] : this.xhr[attr];
            var attrGetterHook = (proxy[attr] || {})["getter"];
            return attrGetterHook && attrGetterHook(v, this) || v;
        };
    }

    // Generate setter for attributes of xhr; by this we have an opportunity
    // to hookAjax event callbacks （eg: `onload`） of xhr;
    function setterFactory(attr) {
        return function (v) {
            var xhr = this.xhr;
            var that = this;
            var hook = proxy[attr];
            // hookAjax  event callbacks such as `onload`、`onreadystatechange`...
            if (attr.substring(0, 2) === 'on') {
                that[attr + "_"] = v;
                xhr[attr] = function (e) {
                    e = configEvent(e, that);
                    var ret = proxy[attr] && proxy[attr].call(that, xhr, e);
                    ret || v.call(that, e);
                };
            } else {
                //If the attribute isn't writable, generate proxy attribute
                var attrSetterHook = (hook || {})["setter"];
                v = attrSetterHook && attrSetterHook(v, that) || v;
                this[attr + "_"] = v;
                try {
                    // Not all attributes of xhr are writable(setter may undefined).
                    xhr[attr] = v;
                } catch (e) {}
            }
        };
    }

    // Hook methods of xhr.
    function hookFunction(fun) {
        return function () {
            var args = [].slice.call(arguments);
            if (proxy[fun]) {
                var ret = proxy[fun].call(this, args, this.xhr);
                // If the proxy return value exists, return it directly,
                // otherwise call the function of xhr.
                if (ret) return ret;
            }
            return this.xhr[fun].apply(this.xhr, args);
        };
    }

    // Return the real XMLHttpRequest
    return window[realXhr];
}

function unHook() {
    if (window[realXhr]) XMLHttpRequest = window[realXhr];
    window[realXhr] = undefined;
}

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.proxy = proxy;
exports.unProxy = unProxy;

var _xhrHook = __webpack_require__(0);

var events = ['load', 'loadend', 'timeout', 'error', 'readystatechange', 'abort']; /*
                                                                                    * author: wendux
                                                                                    * email: [email protected]
                                                                                    * source code: https://github.com/wendux/Ajax-hook
                                                                                    */

var eventLoad = events[0],
    eventLoadEnd = events[1],
    eventTimeout = events[2],
    eventError = events[3],
    eventReadyStateChange = events[4],
    eventAbort = events[5];

var singleton,
    prototype = 'prototype';

function proxy(proxy) {
    if (singleton) throw "Proxy already exists";
    return singleton = new Proxy(proxy);
}

function unProxy() {
    singleton = null;
    (0, _xhrHook.unHook)();
}

function trim(str) {
    return str.replace(/^\s+|\s+$/g, '');
}

function getEventTarget(xhr) {
    return xhr.watcher || (xhr.watcher = document.createElement('a'));
}

function triggerListener(xhr, name) {
    var xhrProxy = xhr.getProxy();
    var callback = 'on' + name + '_';
    var event = (0, _xhrHook.configEvent)({ type: name }, xhrProxy);
    xhrProxy[callback] && xhrProxy[callback](event);
    var evt;
    if (typeof Event === 'function') {
        evt = new Event(name, { bubbles: false });
    } else {
        // https://stackoverflow.com/questions/27176983/dispatchevent-not-working-in-ie11
        evt = document.createEvent('Event');
        evt.initEvent(name, false, true);
    }
    getEventTarget(xhr).dispatchEvent(evt);
}

function Handler(xhr) {
    this.xhr = xhr;
    this.xhrProxy = xhr.getProxy();
}

Handler[prototype] = Object.create({
    resolve: function resolve(response) {
        var xhrProxy = this.xhrProxy;
        var xhr = this.xhr;
        xhrProxy.readyState = 4;
        xhr.resHeader = response.headers;
        xhrProxy.response = xhrProxy.responseText = response.response;
        xhrProxy.statusText = response.statusText;
        xhrProxy.status = response.status;
        triggerListener(xhr, eventReadyStateChange);
        triggerListener(xhr, eventLoad);
        triggerListener(xhr, eventLoadEnd);
    },
    reject: function reject(error) {
        this.xhrProxy.status = 0;
        triggerListener(this.xhr, error.type);
        triggerListener(this.xhr, eventLoadEnd);
    }
});

function makeHandler(next) {
    function sub(xhr) {
        Handler.call(this, xhr);
    }

    sub[prototype] = Object.create(Handler[prototype]);
    sub[prototype].next = next;
    return sub;
}

var RequestHandler = makeHandler(function (rq) {
    var xhr = this.xhr;
    rq = rq || xhr.config;
    xhr.withCredentials = rq.withCredentials;
    xhr.open(rq.method, rq.url, rq.async !== false, rq.user, rq.password);
    for (var key in rq.headers) {
        xhr.setRequestHeader(key, rq.headers[key]);
    }
    xhr.send(rq.body);
});

var ResponseHandler = makeHandler(function (response) {
    this.resolve(response);
});

var ErrorHandler = makeHandler(function (error) {
    this.reject(error);
});

function Proxy(proxy) {
    var onRequest = proxy.onRequest,
        onResponse = proxy.onResponse,
        onError = proxy.onError;

    function handleResponse(xhr, xhrProxy) {
        var handler = new ResponseHandler(xhr);
        if (!onResponse) return handler.resolve();
        var ret = {
            response: xhrProxy.response,
            status: xhrProxy.status,
            statusText: xhrProxy.statusText,
            config: xhr.config,
            headers: xhr.resHeader || xhr.getAllResponseHeaders().split('\r\n').reduce(function (ob, str) {
                if (str === "") return ob;
                var m = str.split(":");
                ob[m.shift()] = trim(m.join(':'));
                return ob;
            }, {})
        };
        onResponse(ret, handler);
    }

    function onerror(xhr, xhrProxy, e) {
        var handler = new ErrorHandler(xhr);
        var error = { config: xhr.config, error: e };
        if (onError) {
            onError(error, handler);
        } else {
            handler.next(error);
        }
    }

    function preventXhrProxyCallback() {
        return true;
    }

    function errorCallback(xhr, e) {
        onerror(xhr, this, e);
        return true;
    }

    function stateChangeCallback(xhr, xhrProxy) {
        if (xhr.readyState === 4 && xhr.status !== 0) {
            handleResponse(xhr, xhrProxy);
        } else if (xhr.readyState !== 4) {
            triggerListener(xhr, eventReadyStateChange);
        }
        return true;
    }

    return (0, _xhrHook.hook)({
        onload: preventXhrProxyCallback,
        onloadend: preventXhrProxyCallback,
        onerror: errorCallback,
        ontimeout: errorCallback,
        onabort: errorCallback,
        onreadystatechange: function onreadystatechange(xhr) {
            return stateChangeCallback(xhr, this);
        },
        open: function open(args, xhr) {
            var _this = this;
            var config = xhr.config = { headers: {} };
            config.method = args[0];
            config.url = args[1];
            config.async = args[2];
            config.user = args[3];
            config.password = args[4];
            config.xhr = xhr;
            var evName = 'on' + eventReadyStateChange;
            if (!xhr[evName]) {
                xhr[evName] = function () {
                    return stateChangeCallback(xhr, _this);
                };
            }

            var defaultErrorHandler = function defaultErrorHandler(e) {
                onerror(xhr, _this, (0, _xhrHook.configEvent)(e, _this));
            };
            [eventError, eventTimeout, eventAbort].forEach(function (e) {
                var event = 'on' + e;
                if (!xhr[event]) xhr[event] = defaultErrorHandler;
            });

            // 如果有请求拦截器，则在调用onRequest后再打开链接。因为onRequest最佳调用时机是在send前，
            // 所以我们在send拦截函数中再手动调用open，因此返回true阻止xhr.open调用。
            //
            // 如果没有请求拦截器，则不用阻断xhr.open调用
            if (onRequest) return true;
        },
        send: function send(args, xhr) {
            var config = xhr.config;
            config.withCredentials = xhr.withCredentials;
            config.body = args[0];
            if (onRequest) {
                // In 'onRequest', we may call XHR's event handler, such as `xhr.onload`.
                // However, XHR's event handler may not be set until xhr.send is called in
                // the user's code, so we use `setTimeout` to avoid this situation
                var req = function req() {
                    onRequest(config, new RequestHandler(xhr));
                };
                config.async === false ? req() : setTimeout(req);
                return true;
            }
        },
        setRequestHeader: function setRequestHeader(args, xhr) {
            // Collect request headers
            xhr.config.headers[args[0].toLowerCase()] = args[1];
            return true;
        },
        addEventListener: function addEventListener(args, xhr) {
            var _this = this;
            if (events.indexOf(args[0]) !== -1) {
                var handler = args[1];
                getEventTarget(xhr).addEventListener(args[0], function (e) {
                    var event = (0, _xhrHook.configEvent)(e, _this);
                    event.type = args[0];
                    event.isTrusted = true;
                    handler.call(_this, event);
                });
                return true;
            }
        },
        getAllResponseHeaders: function getAllResponseHeaders(_, xhr) {
            var headers = xhr.resHeader;
            if (headers) {
                var header = "";
                for (var key in headers) {
                    header += key + ': ' + headers[key] + '\r\n';
                }
                return header;
            }
        },
        getResponseHeader: function getResponseHeader(args, xhr) {
            var headers = xhr.resHeader;
            if (headers) {
                return headers[(args[0] || '').toLowerCase()];
            }
        }
    });
}

/***/ }),
/* 2 */,
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ah = undefined;

var _xhrHook = __webpack_require__(0);

var _xhrProxy = __webpack_require__(1);

// ah(ajax hook)
/*
 * author: wendux
 * email: [email protected]
 * source code: https://github.com/wendux/Ajax-hook
 */

var ah = exports.ah = {
  proxy: _xhrProxy.proxy,
  unProxy: _xhrProxy.unProxy,
  hook: _xhrHook.hook,
  unHook: _xhrHook.unHook
};

/***/ })
/******/ ])));
ah.proxy({
    //请求发起前进入
    onRequest: (config, handler) => {
        handler.next(config);
    },
    //请求发生错误时进入，比如超时；注意，不包括http状态码错误，如404仍然会认为请求成功
    onError: (err, handler) => {
        console.log(err.type)
        handler.next(err)
    },
    //请求成功后进入
    onResponse: (response, handler) => {
        if (response.config.url == "/Student/ReadyForExam/GetPaperContent") {
            //各类正则匹配获取数据
            let finalArr = {}
            let obj = String(response.response).replace(/\\r\\n/g, "")
            let data = JSON.parse(obj).OtherDate
            let arrHtml = data.match(/<Question Type=(.*?)<\/Question>/g)

            for (const i in arrHtml) {
                try {
                    let qusArr = arrHtml[i].match(/<Describe>(.*?)<\/Describe>/)[0].match(/Text="(.*?)\"/g)
                    let quse = ""

                    let ans = arrHtml[i].match(/<StdAnswer>(.*?)<\/StdAnswer>/)[0].slice(11, -12)
                    for (const j in qusArr) {
                        quse += qusArr[j].replace(/ /g, "").slice(6, -1)
                    }
                    if (!finalArr[arrHtml[i].slice(16, 18)]) {
                        finalArr[arrHtml[i].slice(16, 18)] = []
                    }
                    finalArr[arrHtml[i].slice(16, 18)].push({
                        qusetion: quse,
                        answer: ans
                    })
                } catch {}
            }

            //需要延缓答案生成时间，保证答案被生成
            setTimeout(function () {
                for (const i in finalArr) {
                    //利用之前的finalArr搜索doc
                    let question = document.getElementById(i.toLowerCase())
                    for (let j = 0; j < question.childNodes.length; j = j + 2) {
                        let item = question.childNodes[j].childNodes[0]
                        let answerBox = question.childNodes[j].childNodes[1]
                        let lastSpan = item.getElementsByTagName("span")[item.getElementsByTagName("span").length - 1]
                        let aSpan = document.createElement("span")
                        let answer = finalArr[i][j / 2].answer

                        aSpan.style = "color: red;font-size: 16px;"
                        aSpan.innerHTML = answer
                        lastSpan.append(aSpan)

                        let inputBoxes
                        // 选择答案
                        switch (i) {
                                // 判断题
                            case 'TF':
                                inputBoxes = answerBox.getElementsByTagName('input')
                                inputBoxes[answer === '正确' ? 0 : 1].checked = true;
                                break
                                // 多选
                            case 'MS':
                                inputBoxes = answerBox.getElementsByTagName('input')
                                for (let k in inputBoxes) {
                                    if (answer.includes(inputBoxes[k].value)) {
                                        inputBoxes[k].checked = true
                                    }
                                }
                                break
                                // 单选
                            case 'SS':
                                inputBoxes = answerBox.getElementsByTagName('input')
                                for (let k of inputBoxes) {
                                    if (k.value === answer) {
                                        k.checked = true
                                        break
                                    }
                                }
                                break
                                // 填空
                            case 'BL':
                                inputBoxes = answerBox.getElementsByTagName('select')
                                const answers = answer.split(';')
                                for (let k in inputBoxes) {
                                    const selectValue = answers[k]
                                    for (const e in inputBoxes[k]) {
                                        const optionElement = inputBoxes[k][e]
                                        if (optionElement.value === selectValue) {
                                            optionElement.selected = true
                                            break
                                        }
                                    }
                                }
                                break
                            default:
                                break
                        }
                    }
                }
            }, 2000)
        }
        //拦截处理完数据发回给网页
        handler.next(response)
    }
})