frostime · November 9, 2024 05:12
diff --git a/hijack.js b/hijack.js
 function hijackAudio(baseUrl = null) {
    // https://chatgpt.com
    baseUrl = baseUrl || window.location.origin;

    // 保存原始函数
    const originalFetch = window.fetch;
    const originalXhrOpen = XMLHttpRequest.prototype.open;
    let isHijacked = false;

    // Helper function: 提取 Authorization 头部信息
    function extractAuthorizationHeader(headers) {
        if (headers instanceof Headers) {
            return headers.get("Authorization");
        } else {
            return headers["Authorization"];
        }
    }

    // 主函数：劫持 fetch 和 XMLHttpRequest，自动下载音频文件
    function hijack() {
        if (isHijacked) {
            console.log("Already hijacked.");
            return;
        }

        // 劫持 fetch 请求
        window.fetch = function (url, options) {
            // 检查请求 URL 是否为目标 API
            if (url.includes(`${baseUrl}/backend-api/synthesize?`)) {
                console.log("Found fetch request:", url);

                // 获取 Authorization 头部信息
                const headers = options && options.headers ? extractAuthorizationHeader(options.headers) : null;

                // 修改请求 URL，将格式从 acc 改为 mp3
                const modifiedUrl = url.replace(/format:acc/, "format:mp3");

                // 发起修改后的请求并处理响应
                return originalFetch(modifiedUrl, options).then((response) => {
                    return response.blob().then((blob) => {
                        // 创建下载链接并触发下载
                        const link = document.createElement("a");
                        link.href = URL.createObjectURL(blob);
                        link.download = "response.mp3";
                        link.click();
                        return response;
                    });
                });
            }

            // 如果不是目标请求，继续使用原始 fetch
            return originalFetch.apply(this, arguments);
        };

        // 劫持 XMLHttpRequest 请求
        XMLHttpRequest.prototype.open = function (method, url) {
            // 检查请求 URL 是否为目标 API
            if (url.includes(`${baseUrl}/backend-api/synthesize?`)) {
                const xhr = this;
                const originalOnReadyStateChange = xhr.onreadystatechange;

                // 修改 onreadystatechange 以处理响应并触发下载
                xhr.onreadystatechange = function () {
                    if (xhr.readyState === 4 && xhr.status === 200) {
                        const blob = new Blob([xhr.response], { type: "application/octet-stream" });
                        const link = document.createElement("a");
                        link.href = URL.createObjectURL(blob);
                        link.download = "response.mp3";
                        link.click();
                    }

                    // 调用原始的 onreadystatechange（如果存在）
                    if (originalOnReadyStateChange) {
                        originalOnReadyStateChange.apply(xhr, arguments);
                    }
                };

                // 修改请求 URL，将格式从 acc 改为 mp3
                const modifiedUrl = url.replace(/format:acc/, "format:mp3");

                // 保持 Authorization 头部信息
                const authorizationHeader = xhr.getRequestHeader("Authorization");
                if (authorizationHeader) {
                    xhr.setRequestHeader("Authorization", authorizationHeader);
                }

                // 使用修改后的 URL 调用原始的 open 方法
                originalXhrOpen.call(this, method, modifiedUrl);
            } else {
                // 如果不是目标请求，继续使用原始 open 方法
                originalXhrOpen.apply(this, arguments);
            }
        };

        isHijacked = true;
        console.log("Hijack activated and listeners set.");
    }

    // 重置函数：恢复原始状态
    function reset() {
        if (!isHijacked) {
            console.log("Not hijacked yet.");
            return;
        }

        window.fetch = originalFetch;
        XMLHttpRequest.prototype.open = originalXhrOpen;
        isHijacked = false;
        console.log("Reset completed. Original functions restored.");
    }

    return {
        hijack,
        reset
    };
 }
	function hijackAudio(baseUrl = null) {
	// https://chatgpt.com
	baseUrl = baseUrl \|\| window.location.origin;

	// 保存原始函数
	const originalFetch = window.fetch;
	const originalXhrOpen = XMLHttpRequest.prototype.open;
	let isHijacked = false;

	// Helper function: 提取 Authorization 头部信息
	function extractAuthorizationHeader(headers) {
	if (headers instanceof Headers) {
	return headers.get("Authorization");
	} else {
	return headers["Authorization"];
	}
	}

	// 主函数：劫持 fetch 和 XMLHttpRequest，自动下载音频文件
	function hijack() {
	if (isHijacked) {
	console.log("Already hijacked.");
	return;
	}

	// 劫持 fetch 请求
	window.fetch = function (url, options) {
	// 检查请求 URL 是否为目标 API
	if (url.includes(`${baseUrl}/backend-api/synthesize?`)) {
	console.log("Found fetch request:", url);

	// 获取 Authorization 头部信息
	const headers = options && options.headers ? extractAuthorizationHeader(options.headers) : null;

	// 修改请求 URL，将格式从 acc 改为 mp3
	const modifiedUrl = url.replace(/format:acc/, "format:mp3");

	// 发起修改后的请求并处理响应
	return originalFetch(modifiedUrl, options).then((response) => {
	return response.blob().then((blob) => {
	// 创建下载链接并触发下载
	const link = document.createElement("a");
	link.href = URL.createObjectURL(blob);
	link.download = "response.mp3";
	link.click();
	return response;
	});
	});
	}

	// 如果不是目标请求，继续使用原始 fetch
	return originalFetch.apply(this, arguments);
	};

	// 劫持 XMLHttpRequest 请求
	XMLHttpRequest.prototype.open = function (method, url) {
	// 检查请求 URL 是否为目标 API
	if (url.includes(`${baseUrl}/backend-api/synthesize?`)) {
	const xhr = this;
	const originalOnReadyStateChange = xhr.onreadystatechange;

	// 修改 onreadystatechange 以处理响应并触发下载
	xhr.onreadystatechange = function () {
	if (xhr.readyState === 4 && xhr.status === 200) {
	const blob = new Blob([xhr.response], { type: "application/octet-stream" });
	const link = document.createElement("a");
	link.href = URL.createObjectURL(blob);
	link.download = "response.mp3";
	link.click();
	}

	// 调用原始的 onreadystatechange（如果存在）
	if (originalOnReadyStateChange) {
	originalOnReadyStateChange.apply(xhr, arguments);
	}
	};

	// 修改请求 URL，将格式从 acc 改为 mp3
	const modifiedUrl = url.replace(/format:acc/, "format:mp3");

	// 保持 Authorization 头部信息
	const authorizationHeader = xhr.getRequestHeader("Authorization");
	if (authorizationHeader) {
	xhr.setRequestHeader("Authorization", authorizationHeader);
	}

	// 使用修改后的 URL 调用原始的 open 方法
	originalXhrOpen.call(this, method, modifiedUrl);
	} else {
	// 如果不是目标请求，继续使用原始 open 方法
	originalXhrOpen.apply(this, arguments);
	}
	};

	isHijacked = true;
	console.log("Hijack activated and listeners set.");
	}

	// 重置函数：恢复原始状态
	function reset() {
	if (!isHijacked) {
	console.log("Not hijacked yet.");
	return;
	}

	window.fetch = originalFetch;
	XMLHttpRequest.prototype.open = originalXhrOpen;
	isHijacked = false;
	console.log("Reset completed. Original functions restored.");
	}

	return {
	hijack,
	reset
	};
	}