拦截指定路径的请求，修改内容并返回
// ==UserScript==
// @name 童话翻译
// @version 1.03
// @description 拦截指定路径的请求，修改内容并返回
// @author 红凯
// @match https://otogi-rest.otogi-frontier.com/*
// @grant GM_xmlhttpRequest
// @namespace https://greasyfork.org/users/1408925
// ==/UserScript==
(function () {
const open = XMLHttpRequest.prototype.open;
const send = XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.open = function (method, url, async, user, password) {
this._interceptedUrl = url;
return open.apply(this, arguments);
};
XMLHttpRequest.prototype.open = function (method, url, async, user, password) {
if (url.includes("Assets/font")) {
console.log("[重定向字体]");
const newURL = "https://pub-8c5e69e127a7478d9f9bec549ff7d8d5.r2.dev/font";
arguments[1] = newURL;
}
this._interceptedUrl = url;
return open.apply(this, arguments);
};
XMLHttpRequest.prototype.send = function (body) {
this.addEventListener("readystatechange", function () {
if (this.readyState === 4 && this._interceptedUrl.includes("api/MAdults/MonsterMAdults/")) {
const lastPartOfUrl = this._interceptedUrl.split("/").pop();
if (this.responseType === "arraybuffer") {
const textDecoder = new TextDecoder();
const textEncoder = new TextEncoder();
try {
const originalText = textDecoder.decode(this.response);
let originalJson = JSON.parse(originalText);
const translationJsonUrl = "https://raw.githubusercontent.com/kureinaikai/otogi_frontier_translate/refs/heads/main/MAdults/"+lastPartOfUrl+".json";
const translationData = loadTranslationJsonSync(translationJsonUrl);
if (translationData) {
originalJson = replaceUsingTranslation(originalJson, translationData);
} else {
console.warn("[拦截] 未加载到译文 JSON，跳过替换。");
}
const modifiedText = JSON.stringify(originalJson);
const modifiedArrayBuffer = textEncoder.encode(modifiedText).buffer;
Object.defineProperty(this, "response", { value: modifiedArrayBuffer });
console.log("[拦截] 替换后的 ArrayBuffer 响应已返回给页面。");
} catch (e) {
console.error("[拦截] ArrayBuffer 转换或 JSON 解析失败：", e);
}
}
}else if(this.readyState === 4 && this._interceptedUrl.includes("api/MScenes/")){
const lastPartOfUrl = this._interceptedUrl.split("/").pop();
if (this.responseType === "arraybuffer") {
const textDecoder = new TextDecoder();
const textEncoder = new TextEncoder();
try {
const originalText = textDecoder.decode(this.response);
let originalJson = JSON.parse(originalText);
const translationJsonUrl = "https://raw.githubusercontent.com/kureinaikai/otogi_frontier_translate/refs/heads/main/MScenes/"+lastPartOfUrl+".json";
const translationData = loadTranslationJsonSync(translationJsonUrl);
if (translationData) {
originalJson = replaceUsingTranslation(originalJson, translationData);
} else {
console.warn("[拦截] 未加载到译文 JSON，跳过替换。");
}
const modifiedText = JSON.stringify(originalJson);
const modifiedArrayBuffer = textEncoder.encode(modifiedText).buffer;
Object.defineProperty(this, "response", { value: modifiedArrayBuffer });
console.log("[拦截] 替换后的 ArrayBuffer 响应已返回给页面。");
} catch (e) {
console.error("[拦截] ArrayBuffer 转换或 JSON 解析失败：", e);
}
}
}else if(this.readyState === 4 && this._interceptedUrl.includes("api/Episode/MStory")){
const lastPartOfUrl = this._interceptedUrl.split("/").pop();
if (this.responseType === "arraybuffer") {
const textDecoder = new TextDecoder();
const textEncoder = new TextEncoder();
try {
const originalText = textDecoder.decode(this.response);
let originalJson = JSON.parse(originalText);
const translationJsonUrl = "https://raw.githubusercontent.com/kureinaikai/otogi_frontier_translate/refs/heads/main/Mstory/"+lastPartOfUrl+".json";
const translationData = loadTranslationJsonSync(translationJsonUrl);
if (translationData) {
originalJson = replaceUsingTranslation(originalJson, translationData);
} else {
console.warn("[拦截] 未加载到译文 JSON，跳过替换。");
}
const modifiedText = JSON.stringify(originalJson);
const modifiedArrayBuffer = textEncoder.encode(modifiedText).buffer;
Object.defineProperty(this, "response", { value: modifiedArrayBuffer });
console.log("[拦截] 替换后的 ArrayBuffer 响应已返回给页面。");
} catch (e) {
console.error("[拦截] ArrayBuffer 转换或 JSON 解析失败：", e);
}
}
}
});
return send.apply(this, arguments);
};
function loadTranslationJsonSync(url) {
const xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
try {
xhr.send();
if (xhr.status >= 200 && xhr.status < 300) {
console.log("[拦截] 同步加载译文 JSON 成功：", url);
return JSON.parse(xhr.responseText);
} else {
console.error(`[拦截] 同步加载译文 JSON 失败，HTTP 状态码：${xhr.status}`);
return null;
}
} catch (error) {
console.error("[拦截] 同步加载译文 JSON 过程中出错：", error);
return null;
}
}
function replaceUsingTranslation(data, translationDict) {
if (typeof data === "string" && translationDict[data]) {
return translationDict[data]; // 替换为译文 JSON 中的对应值
} else if (Array.isArray(data)) {
return data.map((item) => replaceUsingTranslation(item, translationDict));
} else if (typeof data === "object" && data !== null) {
const newData = {};
for (const key in data) {
newData[key] = replaceUsingTranslation(data[key], translationDict);
}
return newData;
}
return data;
}
})();