Bypass for website restrictions on DevTools with enhanced protection
目前為
// ==UserScript==
// @name DevTools Bypass
// @name:vi Bỏ Qua Chặn DevTools
// @name:zh-CN 开发工具限制绕过
// @name:ru Разблокировка DevTools
// @namespace https://greasyfork.org/vi/users/1195312-renji-yuusei
// @version 2024.12.23.2
// @description Bypass for website restrictions on DevTools with enhanced protection
// @description:vi Bỏ qua các hạn chế của trang web về DevTools với bảo vệ nâng cao
// @description:zh-CN 绕过网站对开发工具的限制，具有增强的保护功能
// @description:ru Разблокировка DevTools с усиленной защитой
// @author Yuusei
// @match *://*/*
// @grant unsafeWindow
// @run-at document-start
// @license GPL-3.0-only
// ==/UserScript==
(() => {
'use strict';
// Constants
const CONSTANTS = {
PREFIX: '[DevTools Bypass]',
LOG_LEVELS: {
INFO: 'info',
WARN: 'warn',
ERROR: 'error',
DEBUG: 'debug'
},
TIME_THRESHOLDS: {
DEBUGGER: 80,
CACHE: 30000
}
};
// Configuration
const config = {
debugPatterns: {
basic: /[;\s]*(?:debugger|debug(?:ger)?|breakpoint|console\.[a-z]+)[\s;]*/gi,
advanced: /(?:debugger|debug(?:ger)?|breakpoint|devtools?)(?:\s*\{[\s\S]*?\}|\s*\([^)]*\)|\s*;|\s*$)/gi,
timing: /(?:performance(?:\.timing)?|Date)\.(?:now|getTime)\(\)|new\s+Date(?:\s*\(\s*\))?\s*\.getTime\(\)/gi,
eval: /(?:eval|Function|setTimeout|setInterval)\s*\(\s*(?:[`'"].*?(?:debugger|debug|breakpoint).*?[`'"]|\{[\s\S]*?(?:debugger|debug|breakpoint)[\s\S]*?\})\s*\)/gi,
devtools: /(?:isDevTools?|devtools?|debugMode|debug_mode|debugEnabled)\s*[=:]\s*(?:true|1|!0|yes)/gi,
consoleCheck: /console\.(?:log|warn|error|info|debug|trace|dir|table)\s*\([^)]*\)/gi,
functionDebug: /function\s*[^(]*\([^)]*\)\s*\{(?:\s|.)*?(?:debugger|debug|breakpoint)(?:\s|.)*?\}/gi,
sourceMap: /\/\/[#@]\s*source(?:Mapping)?URL\s*=\s*(?:data:|https?:)?\/\/.*?$/gm,
debugStrings: /(['"`])(?:(?!\1).)*?(?:debug|debugger|breakpoint|devtools?)(?:(?!\1).)*?\1/gi,
debugComments: /\/\*[\s\S]*?(?:debug|debugger|breakpoint|devtools?)[\s\S]*?\*\/|\/\/.*(?:debug|debugger|breakpoint|devtools?).*$/gim
},
consoleProps: ['log', 'warn', 'error', 'info', 'debug', 'trace', 'dir', 'dirxml', 'table', 'profile', 'group', 'groupEnd', 'time', 'timeEnd'],
cutoffs: {
debugger: { amount: 30, within: CONSTANTS.TIME_THRESHOLDS.CACHE },
debuggerThrow: { amount: 30, within: CONSTANTS.TIME_THRESHOLDS.CACHE }
},
bypassTriggers: {
timeThreshold: CONSTANTS.TIME_THRESHOLDS.DEBUGGER,
stackDepth: 30,
recursionLimit: 50
},
logging: {
enabled: true,
prefix: CONSTANTS.PREFIX,
levels: Object.values(CONSTANTS.LOG_LEVELS),
detailedErrors: true
},
protection: {
preventDevToolsKeys: true,
hideStackTraces: true,
sanitizeErrors: true,
obfuscateTimers: true,
preventRightClick: true,
preventViewSource: true,
preventCopy: true,
preventPaste: true,
preventPrint: true,
preventSave: true
}
};
// Logger class
class Logger {
static #instance;
#lastLog = 0;
#logCount = 0;
#logBuffer = [];
constructor() {
if (Logger.#instance) {
return Logger.#instance;
}
Logger.#instance = this;
this.#setupBufferFlush();
}
#setupBufferFlush() {
setInterval(() => {
if (this.#logBuffer.length) {
this.#flushBuffer();
}
}, 1000);
}
#flushBuffer() {
this.#logBuffer.forEach(({level, args}) => {
console[level](config.logging.prefix, ...args);
});
this.#logBuffer = [];
}
#shouldLog() {
const now = Date.now();
if (now - this.#lastLog > 1000) {
this.#logCount = 0;
}
this.#lastLog = now;
return ++this.#logCount <= 10;
}
#log(level, ...args) {
if (!config.logging.enabled || !this.#shouldLog()) return;
this.#logBuffer.push({ level, args });
}
info(...args) { this.#log(CONSTANTS.LOG_LEVELS.INFO, ...args); }
warn(...args) { this.#log(CONSTANTS.LOG_LEVELS.WARN, ...args); }
error(...args) { this.#log(CONSTANTS.LOG_LEVELS.ERROR, ...args); }
debug(...args) { this.#log(CONSTANTS.LOG_LEVELS.DEBUG, ...args); }
}
// Original functions store
const OriginalFunctions = {
defineProperty: Object.defineProperty,
getOwnPropertyDescriptor: Object.getOwnPropertyDescriptor,
setTimeout: window.setTimeout,
setInterval: window.setInterval,
Date: window.Date,
now: Date.now,
performance: window.performance,
Function: window.Function,
eval: window.eval,
console: {},
toString: Function.prototype.toString,
preventDefault: Event.prototype.preventDefault,
getComputedStyle: window.getComputedStyle,
addEventListener: window.addEventListener,
removeEventListener: window.removeEventListener,
fetch: window.fetch,
XMLHttpRequest: window.XMLHttpRequest,
initConsole() {
config.consoleProps.forEach(prop => {
if (console[prop]) {
this.console[prop] = console[prop].bind(console);
}
});
}
};
OriginalFunctions.initConsole();
// Debugger detector
class DebuggerDetector {
static #detectionCache = new Map();
static #detectionHistory = [];
static isPresent() {
try {
const cacheKey = 'debugger_check';
const cached = this.#detectionCache.get(cacheKey);
if (cached && Date.now() - cached.timestamp < 500) {
return cached.result;
}
const startTime = OriginalFunctions.now.call(Date);
new Function('debugger;')();
const timeDiff = OriginalFunctions.now.call(Date) - startTime;
const result = timeDiff > config.bypassTriggers.timeThreshold;
this.#detectionCache.set(cacheKey, {
result,
timestamp: Date.now()
});
this.#detectionHistory.push({
timestamp: Date.now(),
result,
timeDiff
});
// Keep history for 5 minutes
const fiveMinutesAgo = Date.now() - 300000;
this.#detectionHistory = this.#detectionHistory.filter(entry => entry.timestamp > fiveMinutesAgo);
return result;
} catch {
return false;
}
}
static analyzeStack() {
try {
const stack = new Error().stack;
const frames = stack.split('\n');
const uniqueFrames = new Set(frames);
return {
depth: frames.length,
hasDebugKeywords: frames.some(frame =>
Object.values(config.debugPatterns).some(pattern => pattern.test(frame))
),
isRecursive: uniqueFrames.size < frames.length,
suspiciousPatterns: this.#detectSuspiciousPatterns(stack),
stackHash: this.#generateStackHash(stack)
};
} catch {
return {
depth: 0,
hasDebugKeywords: false,
isRecursive: false,
suspiciousPatterns: [],
stackHash: ''
};
}
}
static #detectSuspiciousPatterns(stack) {
const patterns = [
/eval.*?\(/g,
/Function.*?\(/g,
/debugger/g,
/debug/g,
/DevTools/g,
/console\./g,
/chrome-extension/g
];
return patterns.filter(pattern => pattern.test(stack));
}
static #generateStackHash(stack) {
return Array.from(stack).reduce((hash, char) => {
hash = ((hash << 5) - hash) + char.charCodeAt(0);
return hash & hash;
}, 0).toString(36);
}
static getDetectionStats() {
const now = Date.now();
const recentDetections = this.#detectionHistory.filter(entry =>
entry.timestamp > now - 60000
);
return {
total: recentDetections.length,
positive: recentDetections.filter(entry => entry.result).length,
averageTime: recentDetections.reduce((acc, curr) =>
acc + curr.timeDiff, 0) / recentDetections.length || 0
};
}
}
// Helper functions
const BypassHelpers = {
disableAntiDebugging: {
patchTimingChecks() {
const originalNow = Date.now;
Date.now = function() {
return originalNow.call(this) - Math.random() * 100;
};
},
patchStackTraces() {
Error.prepareStackTrace = (_, stack) =>
stack.filter(frame => !frame.toString().includes('debugger'));
},
patchDebugChecks() {
const noop = () => {};
window.debug = noop;
window.debugger = noop;
window.isDebuggerEnabled = false;
}
},
debugTools: {
monitorAPICalls() {
const originalFetch = window.fetch;
window.fetch = async (...args) => {
console.log('[API Call]', ...args);
return originalFetch.apply(this, args);
};
},
monitorDOMEvents() {
new MutationObserver(mutations => {
mutations.forEach(mutation => {
console.log('[DOM Change]', mutation);
});
}).observe(document.body, {
childList: true,
subtree: true
});
}
}
};
// Protection class
class Protection {
static applyAll() {
this.#protectTimers();
this.#protectTiming();
this.#protectFunction();
this.#protectStack();
this.#protectEval();
this.#protectConsole();
this.#setupMutationObserver();
this.#protectDevToolsKeys();
this.#protectRightClick();
this.#protectViewSource();
this.#protectNetwork();
this.#protectStorage();
this.#protectClipboard();
this.#protectPrinting();
this.#protectWebWorkers();
this.#enableDebuggingHelpers();
}
static #protectTimers() {
const wrapTimer = original => {
return function(handler, timeout, ...args) {
if (typeof handler !== 'function') {
return original.apply(this, arguments);
}
const wrappedHandler = function() {
try {
if (DebuggerDetector.isPresent()) return;
return handler.apply(this, arguments);
} catch (e) {
if (e.message?.includes('debugger')) return;
throw e;
}
};
if (config.protection.obfuscateTimers) {
timeout = Math.max(1, timeout + (Math.random() * 20 - 10));
}
return original.call(this, wrappedHandler, timeout, ...args);
};
};
window.setTimeout = wrapTimer(OriginalFunctions.setTimeout);
window.setInterval = wrapTimer(OriginalFunctions.setInterval);
}
static #protectTiming() {
const timeOffset = Math.random() * 25;
const safeNow = () => OriginalFunctions.now.call(Date) + timeOffset;
Object.defineProperty(Date, 'now', {
value: safeNow,
configurable: false,
writable: false
});
if (window.performance?.now) {
Object.defineProperty(window.performance, 'now', {
value: safeNow,
configurable: false,
writable: false
});
}
}
static #protectFunction() {
const handler = {
apply(target, thisArg, args) {
if (typeof args[0] === 'string') {
args[0] = Protection.#cleanCode(args[0]);
}
return Reflect.apply(target, thisArg, args);
},
construct(target, args) {
if (typeof args[0] === 'string') {
args[0] = Protection.#cleanCode(args[0]);
}
return Reflect.construct(target, args);
}
};
window.Function = new Proxy(OriginalFunctions.Function, handler);
if (typeof unsafeWindow !== 'undefined') {
unsafeWindow.Function = window.Function;
}
}
static #protectStack() {
if (!config.protection.hideStackTraces) return;
const errorHandler = {
get(target, prop) {
if (prop === 'stack') {
return Protection.#cleanCode(target.stack);
}
return target[prop];
}
};
const originalErrorPrototype = Error.prototype;
const proxyErrorPrototype = Object.create(originalErrorPrototype);
Object.defineProperty(proxyErrorPrototype, 'stack', {
get() {
return Protection.#cleanCode(new Error().stack);
},
configurable: true
});
try {
Error.prototype = proxyErrorPrototype;
} catch (e) {
logger.error('Failed to protect stack traces:', e);
}
}
static #protectEval() {
const safeEval = function(code) {
if (typeof code === 'string') {
if (DebuggerDetector.isPresent()) return;
return OriginalFunctions.eval.call(this, Protection.#cleanCode(code));
}
return OriginalFunctions.eval.apply(this, arguments);
};
Object.defineProperty(window, 'eval', {
value: safeEval,
configurable: false,
writable: false
});
if (typeof unsafeWindow !== 'undefined') {
unsafeWindow.eval = safeEval;
}
}
static #protectConsole() {
const consoleHandler = {
get(target, prop) {
if (!config.consoleProps.includes(prop)) return target[prop];
return function(...args) {
if (DebuggerDetector.isPresent()) return;
return OriginalFunctions.console[prop]?.apply(console, args);
};
},
set(target, prop, value) {
if (config.consoleProps.includes(prop)) return true;
target[prop] = value;
return true;
}
};
window.console = new Proxy(console, consoleHandler);
}
static #setupMutationObserver() {
new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.type === 'childList') {
mutation.addedNodes.forEach(node => {
if (node.tagName === 'SCRIPT') {
const originalContent = node.textContent;
const cleanedContent = Protection.#cleanCode(originalContent);
if (originalContent !== cleanedContent) {
node.textContent = cleanedContent;
}
}
});
}
});
}).observe(document, {
childList: true,
subtree: true
});
}
static #protectDevToolsKeys() {
if (!config.protection.preventDevToolsKeys) return;
const handler = e => {
const { keyCode, ctrlKey, shiftKey, altKey } = e;
if (
keyCode === 123 || // F12
(ctrlKey && shiftKey && keyCode === 73) || // Ctrl+Shift+I
(ctrlKey && shiftKey && keyCode === 74) || // Ctrl+Shift+J
(ctrlKey && keyCode === 85) || // Ctrl+U
(altKey && keyCode === 68) // Alt+D
) {
e.preventDefault();
e.stopPropagation();
return false;
}
};
window.addEventListener('keydown', handler, true);
window.addEventListener('keyup', handler, true);
window.addEventListener('keypress', handler, true);
}
static #protectRightClick() {
if (!config.protection.preventRightClick) return;
window.addEventListener('contextmenu', e => {
e.preventDefault();
e.stopPropagation();
return false;
}, true);
}
static #protectViewSource() {
if (!config.protection.preventViewSource) return;
const handler = e => {
if (
(e.ctrlKey && (e.key === 'u' || e.key === 's')) || // Ctrl+U, Ctrl+S
(e.ctrlKey && e.shiftKey && e.key === 'i') || // Ctrl+Shift+I
(e.ctrlKey && e.shiftKey && e.key === 'j') || // Ctrl+Shift+J
(e.ctrlKey && e.shiftKey && e.key === 'c') || // Ctrl+Shift+C
e.key === 'F12'
) {
e.preventDefault();
e.stopPropagation();
return false;
}
};
window.addEventListener('keydown', handler, true);
document.addEventListener('keydown', handler, true);
window.addEventListener('beforeunload', e => {
if (window.location.protocol === 'view-source:') {
e.preventDefault();
return false;
}
});
}
static #protectNetwork() {
window.fetch = async function(...args) {
if (DebuggerDetector.isPresent()) {
throw new Error('Network request blocked');
}
return OriginalFunctions.fetch.apply(this, args);
};
window.XMLHttpRequest = function() {
const xhr = new OriginalFunctions.XMLHttpRequest();
const originalOpen = xhr.open;
xhr.open = function(...args) {
if (DebuggerDetector.isPresent()) {
throw new Error('Network request blocked');
}
return originalOpen.apply(xhr, args);
};
return xhr;
};
}
static #protectStorage() {
const storageHandler = {
get(target, prop) {
if (DebuggerDetector.isPresent()) return null;
return target[prop];
},
set(target, prop, value) {
if (DebuggerDetector.isPresent()) return true;
target[prop] = value;
return true;
}
};
window.localStorage = new Proxy(window.localStorage, storageHandler);
window.sessionStorage = new Proxy(window.sessionStorage, storageHandler);
}
static #protectClipboard() {
if (!config.protection.preventCopy) return;
document.addEventListener('copy', e => {
e.preventDefault();
}, true);
document.addEventListener('cut', e => {
e.preventDefault();
}, true);
if (config.protection.preventPaste) {
document.addEventListener('paste', e => {
e.preventDefault();
}, true);
}
}
static #protectPrinting() {
if (!config.protection.preventPrint) return;
window.addEventListener('beforeprint', e => {
e.preventDefault();
}, true);
window.addEventListener('afterprint', e => {
e.preventDefault();
}, true);
}
static #protectWebWorkers() {
window.Worker = function(scriptURL, options) {
console.log('[Worker Created]', scriptURL);
return new OriginalFunctions.Worker(scriptURL, options);
};
}
static #enableDebuggingHelpers() {
BypassHelpers.disableAntiDebugging.patchTimingChecks();
BypassHelpers.disableAntiDebugging.patchStackTraces();
BypassHelpers.debugTools.monitorAPICalls();
BypassHelpers.debugTools.monitorDOMEvents();
}
static #cleanCode(code) {
if (typeof code !== 'string') return code;
let cleanCode = code
.replace(/\/\/[#@]\s*source(?:Mapping)?URL\s*=.*$/gm, '')
.replace(/(['"`])(?:(?!\1).)*?(?:debug|debugger|devtools?)(?:(?!\1).)*?\1/gi, match => `'${btoa(match)}'`)
.replace(/\/\*[\s\S]*?\*\/|\/\/.*$/gm, '')
.replace(/debugger|debug\s*\(|console\.[a-z]+/gi, '');
Object.values(config.debugPatterns).forEach(pattern => {
cleanCode = cleanCode.replace(pattern, '');
});
return cleanCode
.replace(/function\s*\(/g, 'function /*debug*/(')
.replace(/return\s+/g, 'return /*debug*/ ');
}
}
// Main class
class DevToolsBypass {
static init() {
try {
Protection.applyAll();
logger.info('DevTools Bypass initialized successfully');
} catch (e) {
logger.error('Failed to initialize DevTools Bypass:', e);
}
}
}
// Initialize
DevToolsBypass.init();
})();