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修复之前版本无法发送弹幕和@的问题；优化了弹窗
// ==UserScript==
// @name 检测B站直播弹幕拦截(AI修复版)
// @namespace http://tampermonkey.net/
// @version 1.2.1
// @description 修复之前版本无法发送弹幕和@的问题；优化了弹窗
// @author 熊孩子
// @match https://live.bilibili.com/*
// @grant unsafeWindow
// @run-at document-start
// @license MIT
// ==/UserScript==
(function() {
'use strict';
console.log('[弹幕检测] 脚本已加载');
// 拦截fetch请求
const originFetch = unsafeWindow.fetch;
unsafeWindow.fetch = async function(input, init) {
// 备份原始请求
const originalRequest = () => originFetch.call(this, input, init);
try {
// 检查是否为弹幕发送请求
const isMessageSend = typeof input === 'string' && (
input.includes('/msg/send') ||
input.includes('/api/sendmsg')
);
if (!isMessageSend) {
return originalRequest();
}
console.log('[弹幕检测] 捕获到发送请求:', input);
// 提取消息内容
let msgContent = '';
if (init && init.body) {
try {
// 尝试不同格式解析
if (typeof init.body === 'string') {
const bodyParams = new URLSearchParams(init.body);
msgContent = bodyParams.get('msg') || bodyParams.get('text') || '未能获取消息内容';
} else if (init.body instanceof FormData) {
// 使用迭代器同步解析FormData
const bodyParams = new URLSearchParams();
for (const [key, value] of init.body.entries()) {
bodyParams.append(key, value);
}
msgContent = bodyParams.get('msg') || bodyParams.get('text') || '未能获取消息内容';
}
} catch (e) {
console.warn('[弹幕检测] 解析请求体失败:', e);
}
}
// 发送原始请求并检查结果
const response = await originalRequest();
const clonedResponse = response.clone();
// 异步处理响应
clonedResponse.json().then(result => {
console.log('[弹幕检测] 响应数据:', result);
// 统一处理code字段（兼容字符串/数字类型）
const code = typeof result.code === 'string' ? parseInt(result.code) : result.code;
// 更全面的响应检查
if (code !== 0) {
// 一般错误情况
showPrompt("发送失败", `错误码: ${code}, 消息: ${result.message || result.msg || '未知错误'}`, msgContent);
} else if (result.msg === "f" || result.data?.msg_type === -1) {
showPrompt("全站屏蔽", result.message || result.msg || '弹幕被全站屏蔽', msgContent);
} else if (result.msg === "k" || result.data?.msg_type === -2) {
showPrompt("主播屏蔽", result.message || result.msg || '弹幕被主播屏蔽', msgContent);
}
}).catch(error => {
console.error('[弹幕检测] 解析响应失败:', error);
});
return response;
} catch (error) {
console.error('[弹幕检测] 请求处理异常:', error);
return originalRequest();
}
};
// 拦截XMLHttpRequest
const originXHROpen = XMLHttpRequest.prototype.open;
const originXHRSend = XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.open = function() {
this._dmUrl = arguments[1];
return originXHROpen.apply(this, arguments);
};
XMLHttpRequest.prototype.send = function(body) {
// 检查是否是弹幕发送请求
const isMessageSend = typeof this._dmUrl === 'string' && (
this._dmUrl.includes('/msg/send') ||
this._dmUrl.includes('/api/sendmsg')
);
if (isMessageSend) {
console.log('[弹幕检测] 捕获到XHR发送请求:', this._dmUrl);
// 尝试提取消息内容
let msgContent = '';
if (body) {
try {
if (typeof body === 'string') {
const bodyParams = new URLSearchParams(body);
msgContent = bodyParams.get('msg') || bodyParams.get('text') || '未能获取消息内容';
} else if (body instanceof FormData) {
const bodyParams = new URLSearchParams();
for (const [key, value] of body.entries()) {
bodyParams.append(key, value);
}
msgContent = bodyParams.get('msg') || bodyParams.get('text') || '未能获取消息内容';
}
} catch (e) {
console.warn('[弹幕检测] 解析XHR请求体失败:', e);
}
}
// 保存消息内容
this._dmContent = msgContent;
// 监听响应
const originalOnload = this.onload;
this.onload = function() {
try {
// 尝试解析响应
const result = JSON.parse(this.responseText);
console.log('[弹幕检测] XHR响应数据:', result);
// 统一处理code字段（兼容字符串/数字类型）
const code = typeof result.code === 'string' ? parseInt(result.code) : result.code;
// 检查响应状态
if (code !== 0) {
showPrompt("发送失败", `错误码: ${code}, 消息: ${result.message || result.msg || '未知错误'}`, this._dmContent);
} else if (result.msg === "f" || result.data?.msg_type === -1) {
showPrompt("全站屏蔽", result.message || result.msg || '弹幕被全站屏蔽', this._dmContent);
} else if (result.msg === "k" || result.data?.msg_type === -2) {
showPrompt("主播屏蔽", result.message || result.msg || '弹幕被主播屏蔽', this._dmContent);
}
} catch (e) {
console.error('[弹幕检测] 解析XHR响应失败:', e);
}
// 调用原始的onload处理程序
if (originalOnload) {
originalOnload.call(this);
}
};
}
return originXHRSend.apply(this, arguments);
};
// 改进的提示框显示函数
function showPrompt(type, reason, msg) {
console.log(`[弹幕检测] ${type}: ${reason}, 内容: ${msg}`);
const showModal = () => {
const modal = document.createElement('div');
modal.style = `
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
padding: 20px;
background: white;
border: 2px solid red;
z-index: 999999;
box-shadow: 0 0 10px rgba(0,0,0,0.5);
font-family: Arial, sans-serif;
border-radius: 8px;
max-width: 90%;
width: 400px;
`;
// 创建一个唯一ID，避免ID冲突
const textareaId = 'prompt-textarea-' + Date.now();
const notificationId = 'copy-notification-' + Date.now();
modal.innerHTML = `
<div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;">
<h3 style="margin:0;color:#f25d8e;">弹幕被拦截 (${type})</h3>
<span style="cursor:pointer;font-size:20px;" id="close-btn">×</span>
</div>
<div style="margin-bottom:10px;font-size:14px;color:#666;">${reason}</div>
<p style="margin:5px 0;font-weight:bold;">弹幕内容:</p>
<textarea
id="${textareaId}"
style="width:100%;min-width:300px;height:80px;margin:5px 0;padding:8px;border:1px solid #ddd;border-radius:4px;"
readonly
>${msg}</textarea>
<div style="display:flex;justify-content:space-between;margin-top:10px;">
<button
id="copy-btn"
style="background:#4CAF50;color:white;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;"
>复制</button>
<button
id="confirm-btn"
style="background:#f25d8e;color:white;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;"
>确认</button>
</div>
<div id="${notificationId}" style="display:none;margin-top:10px;padding:8px;background:#e8f5e9;color:#2e7d32;text-align:center;border-radius:4px;">
✅ 已复制到剪贴板
</div>
`;
// 添加到页面
document.body.appendChild(modal);
// 获取DOM元素引用
const closeBtn = modal.querySelector('#close-btn');
const copyBtn = modal.querySelector('#copy-btn');
const confirmBtn = modal.querySelector('#confirm-btn');
const textarea = modal.querySelector(`#${textareaId}`);
const notification = modal.querySelector(`#${notificationId}`);
// 绑定关闭事件
closeBtn.addEventListener('click', () => modal.remove());
confirmBtn.addEventListener('click', () => modal.remove());
// 设置自动关闭定时器 (3秒后自动关闭)
const autoCloseTimer = setTimeout(() => {
if (document.body.contains(modal)) {
modal.remove();
}
}, 3000);
// 绑定复制事件 - 直接使用事件监听器而不是内联onclick
copyBtn.addEventListener('click', async function() {
// 保存原始的 readonly 状态
const isReadOnly = textarea.readOnly;
try {
// 移除 readonly 属性以确保某些浏览器可以正常复制
textarea.readOnly = false;
// 选中文本
textarea.select();
textarea.setSelectionRange(0, 99999); // 兼容移动端
// 尝试使用新API复制
if (navigator.clipboard && window.isSecureContext) {
await navigator.clipboard.writeText(textarea.value);
showCopyNotification(notification);
}
// 回退到execCommand
else {
const successful = document.execCommand('copy');
if (successful) {
showCopyNotification(notification);
} else {
showCopyNotification(notification, false);
}
}
} catch (err) {
console.error('复制失败:', err);
showCopyNotification(notification, false);
} finally {
// 恢复原始的 readonly 状态
textarea.readOnly = isReadOnly;
// 取消焦点，避免干扰直播
textarea.blur();
}
});
// 显示复制结果的非阻塞通知
function showCopyNotification(element, success = true) {
// 清除之前的自动关闭定时器
clearTimeout(autoCloseTimer);
// 设置通知内容
element.textContent = success ? '✅ 已复制到剪贴板' : '❌ 复制失败，请手动复制';
element.style.background = success ? '#e8f5e9' : '#ffebee';
element.style.color = success ? '#2e7d32' : '#c62828';
element.style.display = 'block';
// 2秒后自动隐藏通知
setTimeout(() => {
element.style.display = 'none';
}, 2000);
// 设置弹窗自动关闭 (复制后2秒)
setTimeout(() => {
if (document.body.contains(modal)) {
modal.remove();
}
}, 2000);
}
};
// 确保DOM已加载
if (document.body) {
showModal();
} else {
document.addEventListener('DOMContentLoaded', showModal);
}
}
// 页面加载完成后的通知
document.addEventListener('DOMContentLoaded', () => {
console.log('[弹幕检测] 页面加载完成，检测功能已启用');
});
})();