GoogleTranslateEngine

googleTranslateEngine

当前为 2023-05-04 提交的版本,查看 最新版本

此脚本不应直接安装。它是供其他脚本使用的外部库,要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/465512/1185466/GoogleTranslateEngine.js

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

class TranslateMachine {
    constructor() {
        this.sessionStorage = {
            getItem: async function (key) {
                document.defaultView.localStorage.getItem(key);
            },
            setItem: async function (key, value) {
                document.defaultView.localStorage.setItem(key, value);
            }
        };
        this.transdict = {
            谷歌翻译: this.translate_gg.bind(this),
            谷歌翻译mobile: this.translate_ggm.bind(this)
        };
        this.remove_url = true;
        this.show_info = true;
        this.fullscrenn_hidden = true;
        this.globalProcessingSave = [];
        this.rules = {
            WebWhatsApp: {
                name: 'WhatsApp',
                matcher: /https:\/\/web\.whatsapp\.com\//,
                selector: this.baseSelector('span[data-testid="tail-in"][data-icon="tail-in"]', 1, "div[class='copyable-text'][data-pre-plain-text] div").bind(this),
                textGetter: this.baseTextGetter.bind(this),
                textSetter: this.baseTextSetter.bind(this)
            }
        };
    }

    async init() {
        const GetActiveRule = () => {
            return this.rules['WebWhatsApp'];
        };
        let rule = GetActiveRule();
        let main = async (_) => {
            if (!rule) return;
            const choice = '谷歌翻译';
            const temp = [...new Set(rule.selector())];
            for (let i = 0; i < temp.length; i++) {
                const now = temp[i];
                if (this.globalProcessingSave.includes(now)) continue;
                this.globalProcessingSave.push(now);
                const text = this.remove_url ? this.url_filter(rule.textGetter(now)) : rule.textGetter(now);
                if (text.length == 0) continue;
                if (await this.sessionStorage.getItem(choice + '-' + text)) {
                    rule.textSetter(now, await this.sessionStorage.getItem(choice + '-' + text));
                    this.removeItem(this.globalProcessingSave, now);
                } else {
                    this.pass_lang(text)
                        .then((lang) => this.transdict[choice](text, lang))
                        .then((s) => {
                            console.log(s);
                            let result = s['result'];
                            let origin = s['origin'];
                            rule.textSetter(now, result);
                            this.removeItem(this.globalProcessingSave, now);
                        });
                }
            }
        };
        this.PromiseRetryWrap(null).then(() => {
            document.js_translater = setInterval(main, 200);
        });
    }

    ReviseDom(dom, text, OldText = null) {
        this.baseTextSetter(dom, text, OldText);
    }

    pause() {
        clearInterval(document.js_translater);
        document.js_translater = null;
    }

    resume() {
        if (document.js_translater !== null) {
            clearInterval(document.js_translater);
        }
        this.init();
    }

    removeItem(arr, item) {
        const index = arr.indexOf(item);
        if (index > -1) arr.splice(index, 1);
    }

    baseSelector(selector, parent = 0, childSelector = null) {
        return () => {
            let items = document.querySelectorAll(selector);
            let filteredItems = [];
            if (parent !== 0) {
                items = Array.prototype.slice.call(items);
                items = items.map((item) => {
                    let currentNode = item;
                    for (let i = 0; i < parent; i++) {
                        currentNode = currentNode.parentNode;
                    }
                    return currentNode;
                });
            }
            for (let i = 0; i < items.length; i++) {
                if (childSelector !== null) {
                    let childNode = items[i].querySelector(childSelector);
                    if (childNode !== null) {
                        filteredItems.push(childNode);
                        continue;
                    }
                }
                const node = items[i].querySelector('[data-translate]');
                if (node === null || node.parentNode !== items[i]) {
                    filteredItems.push(items[i]);
                }
            }
            return filteredItems;
        };
    }

    baseTextGetter(e) {
        return e.innerText;
    }

    baseTextSetter(e, text, OldText = null) {
        if ((text || '').length == 0) text = '翻译异常';
        let original = e.innerText;
        if (OldText !== null) {
            original = OldText;
        }
        e.innerText = text;
        let name = '谷歌翻译';
        $(e).attr('data-translate', name);
        $(e).css('color', '#40c2af');
        $(e)
            .parent()
            .before("<div data-translate='" + name + "' style='white-space:pre-wrap;'>" + original + '</div>');
        let height = $(e).parent().height();
        $(e)
            .parent()
            .css('height', height + 20 + 'px');
    }

    url_filter(text) {
        return text.replace(/(https?|ftp|file):\/\/[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]/g, '');
    }

    async pass_lang(raw) {
        try {
            const result = await this.check_lang(raw);
            if (result == 'zh') return new Promise(() => {});
            return result;
        } catch (err) {
            console.log(err);
            return;
        }
    }

    async check_lang(raw) {
        const options = {
            method: 'POST',
            url: 'https://fanyi.baidu.com/langdetect',
            data: 'query=' + encodeURIComponent(raw.replace(/[\uD800-\uDBFF]$/, '').slice(0, 50)),
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded'
            }
        };
        const res = await this.Request(options);
        try {
            let r = res.responseText;
            if (typeof r == 'string') {
                r = JSON.parse(r).lan;
            } else {
                r = r.lan;
            }
            return r;
        } catch (err) {
            console.log(err);
            return;
        }
    }

    guid() {
        return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
            let r = (Math.random() * 16) | 0,
                v = c == 'x' ? r : (r & 0x3) | 0x8;
            return v.toString(16);
        });
    }

    async Translate(raw, sourceLang, targetLang) {
        const options = {
            method: 'POST',
            url: 'https://translate.google.com/_/TranslateWebserverUi/data/batchexecute',
            data: `f.req=${encodeURIComponent(JSON.stringify([[['MkEWBc', JSON.stringify([[raw, sourceLang, targetLang, true], [null]]), null, 'generic']]]))}`,
            headers: {
                'content-type': 'application/x-www-form-urlencoded',
                Host: 'translate.google.com'
            },
            anonymous: true,
            nocache: true
        };
        return await this.BaseTranslate('谷歌翻译', raw, options, function (res) {
            var slicedRes = res.slice(res.indexOf('['));
            var parsedRes = JSON.parse(slicedRes);
            var extractedRes = parsedRes[0][2];
            if (typeof extractedRes == 'string') {
                extractedRes = JSON.parse(extractedRes);
            }
            let original = extractedRes[1][4][0];
            var finalRes = extractedRes[1][0][0][5]
                .map(function (item) {
                    return item[0];
                })
                .join('');
            return { finalRes, original };
        });
    }

    async translate_gg(raw) {
        const options = {
            method: 'POST',
            url: 'https://translate.google.com/_/TranslateWebserverUi/data/batchexecute',
            data: 'f.req=' + encodeURIComponent(JSON.stringify([[['MkEWBc', JSON.stringify([[raw, 'auto', 'zh-CN', true], [null]]), null, 'generic']]])),
            headers: {
                'content-type': 'application/x-www-form-urlencoded',
                Host: 'translate.google.com'
            },
            anonymous: true,
            nocache: true
        };
        return await this.BaseTranslate('谷歌翻译', raw, options, function (res) {
            var slicedRes = res.slice(res.indexOf('['));
            var parsedRes = JSON.parse(slicedRes);
            var extractedRes = parsedRes[0][2];
            if (typeof extractedRes == 'string') {
                extractedRes = JSON.parse(extractedRes);
            }
            let original = extractedRes[1][4][0];
            var finalRes = extractedRes[1][0][0][5]
                .map(function (item) {
                    return item[0];
                })
                .join('');
            return { finalRes, original };
        });
    }

    async translate_ggm(raw) {
        const options = {
            method: 'GET',
            url: 'https://translate.google.com/m?tl=zh-CN&q=' + encodeURIComponent(raw),
            headers: {
                Host: 'translate.google.com'
            },
            anonymous: true,
            nocache: true
        };
        return await this.BaseTranslate('谷歌翻译mobile', raw, options, (res) => /class="result-container">((?:.|\n)*?)<\/div/.exec(res)[1]);
    }

    tk(a, b) {
        var d = b.split('.');
        b = Number(d[0]) || 0;
        for (var e = [], f = 0, g = 0; g < a.length; g++) {
            var k = a.charCodeAt(g);
            128 > k ? (e[f++] = k) : (2048 > k ? (e[f++] = (k >> 6) | 192) : (55296 == (k & 64512) && g + 1 < a.length && 56320 == (a.charCodeAt(g + 1) & 64512) ? ((k = 65536 + ((k & 1023) << 10) + (a.charCodeAt(++g) & 1023)), (e[f++] = (k >> 18) | 240), (e[f++] = ((k >> 12) & 63) | 128)) : (e[f++] = (k >> 12) | 224), (e[f++] = ((k >> 6) & 63) | 128)), (e[f++] = (k & 63) | 128));
        }
        a = b;
        for (f = 0; f < e.length; f++) a = Fo(a + e[f], '+-a^+6');
        a = Fo(a, '+-3^+b+-f');
        a ^= Number(d[1]) || 0;
        0 > a && (a = (a & 2147483647) + 2147483648);
        a %= 1e6;
        return a.toString() + '.' + (a ^ b);
    }
    Fo(a, b) {
        for (var c = 0; c < b.length - 2; c += 3) {
            var d = b.charAt(c + 2);
            d = 'a' <= d ? d.charCodeAt(0) - 87 : Number(d);
            d = '+' == b.charAt(c + 1) ? a >>> d : a << d;
            a = '+' == b.charAt(c) ? (a + d) & 4294967295 : a ^ d;
        }
        return a;
    }

    async PromiseRetryWrap(task, options, ...values) {
        const { RetryTimes, ErrProcesser } = options || {};
        let retryTimes = RetryTimes || 5;
        const usedErrProcesser =
            ErrProcesser ||
            ((err) => {
                throw err;
            });
        if (!task) return;
        while (true) {
            try {
                return await task(...values);
            } catch (err) {
                if (!--retryTimes) {
                    console.log(err);
                    return usedErrProcesser(err);
                }
            }
        }
    }

    async BaseTranslate(name, raw, options, processer) {
        const toDo = async () => {
            var tmp;
            try {
                const data = await this.Request(options);
                tmp = data.responseText;
                const { finalRes, original } = await processer(tmp);
                let result = finalRes;
                if (result) {
                    try {
                        await this.sessionStorage.setItem(name + '-' + raw, result).bind(this);
                    } catch (e) {}
                }
                return { result, original };
            } catch (err) {
                throw {
                    responseText: tmp,
                    err: err
                };
            }
        };
        return await this.PromiseRetryWrap(toDo, { RetryTimes: 3, ErrProcesser: () => '翻译出错' });
    }

    Request(options) {
        return new Promise(async (resolve) => {
            options.onload = function (res) { 
                if (res.status !== 200) {
                    resolve('');
                    return;
                }
                resolve(res);
            }
            GM_xmlhttpRequest(options);
        });
    }
}