mirror of
https://github.com/hicccc77/WeFlow.git
synced 2026-03-25 07:16:51 +00:00
1002 lines
34 KiB
TypeScript
1002 lines
34 KiB
TypeScript
import { app } from 'electron'
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import { join, dirname, basename } from 'path'
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import { existsSync, readdirSync, readFileSync, statSync, copyFileSync, mkdirSync } from 'fs'
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import { execFile, spawn } from 'child_process'
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import { promisify } from 'util'
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import { Worker } from 'worker_threads'
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import os from 'os'
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const execFileAsync = promisify(execFile)
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type DbKeyResult = { success: boolean; key?: string; error?: string; logs?: string[] }
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type ImageKeyResult = { success: boolean; xorKey?: number; aesKey?: string; error?: string }
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export class KeyService {
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private koffi: any = null
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private lib: any = null
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private initialized = false
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private initHook: any = null
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private pollKeyData: any = null
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private getStatusMessage: any = null
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private cleanupHook: any = null
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private getLastErrorMsg: any = null
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// Win32 APIs
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private kernel32: any = null
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private user32: any = null
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private advapi32: any = null
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// Kernel32 (已移除内存扫描相关的 API)
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private OpenProcess: any = null
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private CloseHandle: any = null
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private TerminateProcess: any = null
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private QueryFullProcessImageNameW: any = null
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// User32
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private EnumWindows: any = null
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private GetWindowTextW: any = null
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private GetWindowTextLengthW: any = null
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private GetClassNameW: any = null
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private GetWindowThreadProcessId: any = null
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private IsWindowVisible: any = null
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private EnumChildWindows: any = null
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private PostMessageW: any = null
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private WNDENUMPROC_PTR: any = null
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// Advapi32
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private RegOpenKeyExW: any = null
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private RegQueryValueExW: any = null
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private RegCloseKey: any = null
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// Constants
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private readonly PROCESS_ALL_ACCESS = 0x1F0FFF
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private readonly PROCESS_TERMINATE = 0x0001
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private readonly KEY_READ = 0x20019
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private readonly HKEY_LOCAL_MACHINE = 0x80000002
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private readonly HKEY_CURRENT_USER = 0x80000001
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private readonly ERROR_SUCCESS = 0
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private readonly WM_CLOSE = 0x0010
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private getDllPath(): string {
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const isPackaged = typeof app !== 'undefined' && app ? app.isPackaged : process.env.NODE_ENV === 'production'
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const candidates: string[] = []
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if (process.env.WX_KEY_DLL_PATH) {
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candidates.push(process.env.WX_KEY_DLL_PATH)
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}
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if (isPackaged) {
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candidates.push(join(process.resourcesPath, 'resources', 'wx_key.dll'))
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candidates.push(join(process.resourcesPath, 'wx_key.dll'))
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} else {
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const cwd = process.cwd()
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candidates.push(join(cwd, 'resources', 'wx_key.dll'))
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candidates.push(join(app.getAppPath(), 'resources', 'wx_key.dll'))
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}
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for (const path of candidates) {
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if (existsSync(path)) return path
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}
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return candidates[0]
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}
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private isNetworkPath(path: string): boolean {
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if (path.startsWith('\\\\')) return true
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return false
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}
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private localizeNetworkDll(originalPath: string): string {
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try {
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const tempDir = join(os.tmpdir(), 'weflow_dll_cache')
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if (!existsSync(tempDir)) {
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mkdirSync(tempDir, { recursive: true })
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}
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const localPath = join(tempDir, 'wx_key.dll')
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if (existsSync(localPath)) return localPath
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copyFileSync(originalPath, localPath)
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return localPath
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} catch (e) {
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console.error('DLL 本地化失败:', e)
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return originalPath
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}
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}
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private ensureLoaded(): boolean {
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if (this.initialized) return true
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let dllPath = ''
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try {
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this.koffi = require('koffi')
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dllPath = this.getDllPath()
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if (!existsSync(dllPath)) {
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console.error(`wx_key.dll 不存在于路径: ${dllPath}`)
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return false
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}
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if (this.isNetworkPath(dllPath)) {
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dllPath = this.localizeNetworkDll(dllPath)
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}
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this.lib = this.koffi.load(dllPath)
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this.initHook = this.lib.func('bool InitializeHook(uint32 targetPid)')
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this.pollKeyData = this.lib.func('bool PollKeyData(_Out_ char *keyBuffer, int bufferSize)')
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this.getStatusMessage = this.lib.func('bool GetStatusMessage(_Out_ char *msgBuffer, int bufferSize, _Out_ int *outLevel)')
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this.cleanupHook = this.lib.func('bool CleanupHook()')
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this.getLastErrorMsg = this.lib.func('const char* GetLastErrorMsg()')
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this.initialized = true
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return true
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} catch (e) {
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const errorMsg = e instanceof Error ? e.message : String(e)
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console.error(`加载 wx_key.dll 失败\n 路径: ${dllPath}\n 错误: ${errorMsg}`)
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return false
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}
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}
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private ensureWin32(): boolean {
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return process.platform === 'win32'
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}
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private ensureKernel32(): boolean {
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if (this.kernel32) return true
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try {
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this.koffi = require('koffi')
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this.kernel32 = this.koffi.load('kernel32.dll')
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// 直接使用原生支持的 'void*' 替换 'HANDLE'，绝对不会再报类型错误
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this.OpenProcess = this.kernel32.func('OpenProcess', 'void*', ['uint32', 'bool', 'uint32'])
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this.CloseHandle = this.kernel32.func('CloseHandle', 'bool', ['void*'])
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this.TerminateProcess = this.kernel32.func('TerminateProcess', 'bool', ['void*', 'uint32'])
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this.QueryFullProcessImageNameW = this.kernel32.func('QueryFullProcessImageNameW', 'bool', ['void*', 'uint32', this.koffi.out('uint16*'), this.koffi.out('uint32*')])
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return true
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} catch (e) {
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console.error('初始化 kernel32 失败:', e)
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return false
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}
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}
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private decodeUtf8(buf: Buffer): string {
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const nullIdx = buf.indexOf(0)
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return buf.toString('utf8', 0, nullIdx > -1 ? nullIdx : undefined).trim()
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}
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private ensureUser32(): boolean {
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if (this.user32) return true
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try {
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this.koffi = require('koffi')
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this.user32 = this.koffi.load('user32.dll')
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const WNDENUMPROC = this.koffi.proto('bool __stdcall (void *hWnd, intptr_t lParam)')
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this.WNDENUMPROC_PTR = this.koffi.pointer(WNDENUMPROC)
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this.EnumWindows = this.user32.func('EnumWindows', 'bool', [this.WNDENUMPROC_PTR, 'intptr_t'])
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this.EnumChildWindows = this.user32.func('EnumChildWindows', 'bool', ['void*', this.WNDENUMPROC_PTR, 'intptr_t'])
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this.PostMessageW = this.user32.func('PostMessageW', 'bool', ['void*', 'uint32', 'uintptr_t', 'intptr_t'])
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this.GetWindowTextW = this.user32.func('GetWindowTextW', 'int', ['void*', this.koffi.out('uint16*'), 'int'])
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this.GetWindowTextLengthW = this.user32.func('GetWindowTextLengthW', 'int', ['void*'])
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this.GetClassNameW = this.user32.func('GetClassNameW', 'int', ['void*', this.koffi.out('uint16*'), 'int'])
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this.GetWindowThreadProcessId = this.user32.func('GetWindowThreadProcessId', 'uint32', ['void*', this.koffi.out('uint32*')])
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this.IsWindowVisible = this.user32.func('IsWindowVisible', 'bool', ['void*'])
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return true
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} catch (e) {
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console.error('初始化 user32 失败:', e)
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return false
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}
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}
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private ensureAdvapi32(): boolean {
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if (this.advapi32) return true
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try {
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this.koffi = require('koffi')
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this.advapi32 = this.koffi.load('advapi32.dll')
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const HKEY = this.koffi.alias('HKEY', 'intptr_t')
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const HKEY_PTR = this.koffi.pointer(HKEY)
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this.RegOpenKeyExW = this.advapi32.func('RegOpenKeyExW', 'long', [HKEY, 'uint16*', 'uint32', 'uint32', this.koffi.out(HKEY_PTR)])
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this.RegQueryValueExW = this.advapi32.func('RegQueryValueExW', 'long', [HKEY, 'uint16*', 'uint32*', this.koffi.out('uint32*'), this.koffi.out('uint8*'), this.koffi.out('uint32*')])
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this.RegCloseKey = this.advapi32.func('RegCloseKey', 'long', [HKEY])
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return true
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} catch (e) {
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console.error('初始化 advapi32 失败:', e)
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return false
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}
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}
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private decodeCString(ptr: any): string {
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try {
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if (typeof ptr === 'string') return ptr
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return this.koffi.decode(ptr, 'char', -1)
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} catch {
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return ''
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}
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}
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// --- WeChat Process & Path Finding ---
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private readRegistryString(rootKey: number, subKey: string, valueName: string): string | null {
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if (!this.ensureAdvapi32()) return null
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const subKeyBuf = Buffer.from(subKey + '\0', 'ucs2')
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const valueNameBuf = valueName ? Buffer.from(valueName + '\0', 'ucs2') : null
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const phkResult = Buffer.alloc(8)
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if (this.RegOpenKeyExW(rootKey, subKeyBuf, 0, this.KEY_READ, phkResult) !== this.ERROR_SUCCESS) return null
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const hKey = this.koffi.decode(phkResult, 'uintptr_t')
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try {
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const lpcbData = Buffer.alloc(4)
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lpcbData.writeUInt32LE(0, 0)
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let ret = this.RegQueryValueExW(hKey, valueNameBuf, null, null, null, lpcbData)
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if (ret !== this.ERROR_SUCCESS) return null
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const size = lpcbData.readUInt32LE(0)
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if (size === 0) return null
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const dataBuf = Buffer.alloc(size)
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ret = this.RegQueryValueExW(hKey, valueNameBuf, null, null, dataBuf, lpcbData)
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if (ret !== this.ERROR_SUCCESS) return null
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let str = dataBuf.toString('ucs2')
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if (str.endsWith('\0')) str = str.slice(0, -1)
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return str
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} finally {
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this.RegCloseKey(hKey)
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}
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}
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private async getProcessExecutablePath(pid: number): Promise<string | null> {
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if (!this.ensureKernel32()) return null
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const hProcess = this.OpenProcess(0x1000, false, pid)
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if (!hProcess) return null
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try {
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const sizeBuf = Buffer.alloc(4)
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sizeBuf.writeUInt32LE(1024, 0)
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const pathBuf = Buffer.alloc(1024 * 2)
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const ret = this.QueryFullProcessImageNameW(hProcess, 0, pathBuf, sizeBuf)
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if (ret) {
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const len = sizeBuf.readUInt32LE(0)
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return pathBuf.toString('ucs2', 0, len * 2)
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}
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return null
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} catch (e) {
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console.error('获取进程路径失败:', e)
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return null
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} finally {
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this.CloseHandle(hProcess)
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}
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}
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private async findWeChatInstallPath(): Promise<string | null> {
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try {
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const pid = await this.findWeChatPid()
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if (pid) {
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const runPath = await this.getProcessExecutablePath(pid)
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if (runPath && existsSync(runPath)) return runPath
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}
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} catch (e) {
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console.error('尝试获取运行中微信路径失败:', e)
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}
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const uninstallKeys = [
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'SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall',
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'SOFTWARE\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall'
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]
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const roots = [this.HKEY_LOCAL_MACHINE, this.HKEY_CURRENT_USER]
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const tencentKeys = [
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'Software\\Tencent\\WeChat',
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'Software\\WOW6432Node\\Tencent\\WeChat',
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'Software\\Tencent\\Weixin',
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]
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for (const root of roots) {
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for (const key of tencentKeys) {
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const path = this.readRegistryString(root, key, 'InstallPath')
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if (path && existsSync(join(path, 'Weixin.exe'))) return join(path, 'Weixin.exe')
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if (path && existsSync(join(path, 'WeChat.exe'))) return join(path, 'WeChat.exe')
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}
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}
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for (const root of roots) {
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for (const parent of uninstallKeys) {
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const path = this.readRegistryString(root, parent + '\\WeChat', 'InstallLocation')
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if (path && existsSync(join(path, 'Weixin.exe'))) return join(path, 'Weixin.exe')
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}
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}
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const drives = ['C', 'D', 'E', 'F']
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const commonPaths = [
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'Program Files\\Tencent\\WeChat\\WeChat.exe',
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'Program Files (x86)\\Tencent\\WeChat\\WeChat.exe',
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'Program Files\\Tencent\\Weixin\\Weixin.exe',
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'Program Files (x86)\\Tencent\\Weixin\\Weixin.exe'
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]
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for (const drive of drives) {
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for (const p of commonPaths) {
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const full = join(drive + ':\\', p)
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if (existsSync(full)) return full
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}
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}
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return null
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}
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private async findPidByImageName(imageName: string): Promise<number | null> {
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try {
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const { stdout } = await execFileAsync('tasklist', ['/FI', `IMAGENAME eq ${imageName}`, '/FO', 'CSV', '/NH'])
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const lines = stdout.split(/\r?\n/).map((line) => line.trim()).filter(Boolean)
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for (const line of lines) {
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if (line.startsWith('INFO:')) continue
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const parts = line.split('","').map((p) => p.replace(/^"|"$/g, ''))
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if (parts[0]?.toLowerCase() === imageName.toLowerCase()) {
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const pid = Number(parts[1])
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if (!Number.isNaN(pid)) return pid
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}
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}
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return null
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} catch (e) {
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return null
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}
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}
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private async findWeChatPid(): Promise<number | null> {
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const names = ['Weixin.exe', 'WeChat.exe']
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for (const name of names) {
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const pid = await this.findPidByImageName(name)
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if (pid) return pid
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}
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const fallbackPid = await this.waitForWeChatWindow(5000)
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return fallbackPid ?? null
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}
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private async waitForWeChatExit(timeoutMs = 8000): Promise<boolean> {
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const start = Date.now()
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while (Date.now() - start < timeoutMs) {
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const weixinPid = await this.findPidByImageName('Weixin.exe')
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const wechatPid = await this.findPidByImageName('WeChat.exe')
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if (!weixinPid && !wechatPid) return true
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await new Promise(r => setTimeout(r, 400))
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}
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return false
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}
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private async closeWeChatWindows(): Promise<boolean> {
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if (!this.ensureUser32()) return false
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let requested = false
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const enumWindowsCallback = this.koffi.register((hWnd: any, lParam: any) => {
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if (!this.IsWindowVisible(hWnd)) return true
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const title = this.getWindowTitle(hWnd)
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const className = this.getClassName(hWnd)
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const classLower = (className || '').toLowerCase()
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const isWeChatWindow = this.isWeChatWindowTitle(title) || classLower.includes('wechat') || classLower.includes('weixin')
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if (!isWeChatWindow) return true
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requested = true
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try {
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this.PostMessageW?.(hWnd, this.WM_CLOSE, 0, 0)
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} catch { }
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return true
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}, this.WNDENUMPROC_PTR)
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this.EnumWindows(enumWindowsCallback, 0)
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this.koffi.unregister(enumWindowsCallback)
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return requested
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}
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private async killWeChatProcesses(): Promise<boolean> {
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const requested = await this.closeWeChatWindows()
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if (requested) {
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const gracefulOk = await this.waitForWeChatExit(1500)
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if (gracefulOk) return true
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}
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try {
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await execFileAsync('taskkill', ['/F', '/T', '/IM', 'Weixin.exe'])
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await execFileAsync('taskkill', ['/F', '/T', '/IM', 'WeChat.exe'])
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} catch (e) { }
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return await this.waitForWeChatExit(5000)
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}
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// --- Window Detection ---
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private getWindowTitle(hWnd: any): string {
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const len = this.GetWindowTextLengthW(hWnd)
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if (len === 0) return ''
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const buf = Buffer.alloc((len + 1) * 2)
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this.GetWindowTextW(hWnd, buf, len + 1)
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return buf.toString('ucs2', 0, len * 2)
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}
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private getClassName(hWnd: any): string {
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const buf = Buffer.alloc(512)
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const len = this.GetClassNameW(hWnd, buf, 256)
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return buf.toString('ucs2', 0, len * 2)
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}
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private isWeChatWindowTitle(title: string): boolean {
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const normalized = title.trim()
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if (!normalized) return false
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const lower = normalized.toLowerCase()
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return normalized === '微信' || lower === 'wechat' || lower === 'weixin'
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}
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private async waitForWeChatWindow(timeoutMs = 25000): Promise<number | null> {
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if (!this.ensureUser32()) return null
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const startTime = Date.now()
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while (Date.now() - startTime < timeoutMs) {
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let foundPid: number | null = null
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const enumWindowsCallback = this.koffi.register((hWnd: any, lParam: any) => {
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if (!this.IsWindowVisible(hWnd)) return true
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const title = this.getWindowTitle(hWnd)
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if (!this.isWeChatWindowTitle(title)) return true
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const pidBuf = Buffer.alloc(4)
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this.GetWindowThreadProcessId(hWnd, pidBuf)
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const pid = pidBuf.readUInt32LE(0)
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if (pid) {
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foundPid = pid
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return false
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}
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return true
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}, this.WNDENUMPROC_PTR)
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this.EnumWindows(enumWindowsCallback, 0)
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this.koffi.unregister(enumWindowsCallback)
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if (foundPid) return foundPid
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await new Promise(r => setTimeout(r, 500))
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}
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return null
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}
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private collectChildWindowInfos(parent: any): Array<{ title: string; className: string }> {
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const children: Array<{ title: string; className: string }> = []
|
||
const enumChildCallback = this.koffi.register((hChild: any, lp: any) => {
|
||
const title = this.getWindowTitle(hChild).trim()
|
||
const className = this.getClassName(hChild).trim()
|
||
children.push({ title, className })
|
||
return true
|
||
}, this.WNDENUMPROC_PTR)
|
||
this.EnumChildWindows(parent, enumChildCallback, 0)
|
||
this.koffi.unregister(enumChildCallback)
|
||
return children
|
||
}
|
||
|
||
private hasReadyComponents(children: Array<{ title: string; className: string }>): boolean {
|
||
if (children.length === 0) return false
|
||
|
||
const readyTexts = ['聊天', '登录', '账号']
|
||
const readyClassMarkers = ['WeChat', 'Weixin', 'TXGuiFoundation', 'Qt5', 'ChatList', 'MainWnd', 'BrowserWnd', 'ListView']
|
||
const readyChildCountThreshold = 14
|
||
|
||
let classMatchCount = 0
|
||
let titleMatchCount = 0
|
||
let hasValidClassName = false
|
||
|
||
for (const child of children) {
|
||
const normalizedTitle = child.title.replace(/\s+/g, '')
|
||
if (normalizedTitle) {
|
||
if (readyTexts.some(marker => normalizedTitle.includes(marker))) return true
|
||
titleMatchCount += 1
|
||
}
|
||
const className = child.className
|
||
if (className) {
|
||
if (readyClassMarkers.some(marker => className.includes(marker))) return true
|
||
if (className.length > 5) {
|
||
classMatchCount += 1
|
||
hasValidClassName = true
|
||
}
|
||
}
|
||
}
|
||
|
||
if (classMatchCount >= 3 || titleMatchCount >= 2) return true
|
||
if (children.length >= readyChildCountThreshold) return true
|
||
if (hasValidClassName && children.length >= 5) return true
|
||
return false
|
||
}
|
||
|
||
private async waitForWeChatWindowComponents(pid: number, timeoutMs = 15000): Promise<boolean> {
|
||
if (!this.ensureUser32()) return true
|
||
const startTime = Date.now()
|
||
while (Date.now() - startTime < timeoutMs) {
|
||
let ready = false
|
||
const enumWindowsCallback = this.koffi.register((hWnd: any, lParam: any) => {
|
||
if (!this.IsWindowVisible(hWnd)) return true
|
||
const title = this.getWindowTitle(hWnd)
|
||
if (!this.isWeChatWindowTitle(title)) return true
|
||
|
||
const pidBuf = Buffer.alloc(4)
|
||
this.GetWindowThreadProcessId(hWnd, pidBuf)
|
||
const windowPid = pidBuf.readUInt32LE(0)
|
||
if (windowPid !== pid) return true
|
||
|
||
const children = this.collectChildWindowInfos(hWnd)
|
||
if (this.hasReadyComponents(children)) {
|
||
ready = true
|
||
return false
|
||
}
|
||
return true
|
||
}, this.WNDENUMPROC_PTR)
|
||
|
||
this.EnumWindows(enumWindowsCallback, 0)
|
||
this.koffi.unregister(enumWindowsCallback)
|
||
|
||
if (ready) return true
|
||
await new Promise(r => setTimeout(r, 500))
|
||
}
|
||
return true
|
||
}
|
||
|
||
// --- DB Key Logic (Unchanged core flow) ---
|
||
|
||
async autoGetDbKey(
|
||
timeoutMs = 60_000,
|
||
onStatus?: (message: string, level: number) => void
|
||
): Promise<DbKeyResult> {
|
||
if (!this.ensureWin32()) return { success: false, error: '仅支持 Windows' }
|
||
if (!this.ensureLoaded()) return { success: false, error: 'wx_key.dll 未加载' }
|
||
if (!this.ensureKernel32()) return { success: false, error: 'Kernel32 Init Failed' }
|
||
|
||
const logs: string[] = []
|
||
|
||
onStatus?.('正在定位微信安装路径...', 0)
|
||
let wechatPath = await this.findWeChatInstallPath()
|
||
if (!wechatPath) {
|
||
const err = '未找到微信安装路径，请确认已安装PC微信'
|
||
onStatus?.(err, 2)
|
||
return { success: false, error: err }
|
||
}
|
||
|
||
onStatus?.('正在关闭微信以进行获取...', 0)
|
||
const closed = await this.killWeChatProcesses()
|
||
if (!closed) {
|
||
const err = '无法自动关闭微信，请手动退出后重试'
|
||
onStatus?.(err, 2)
|
||
return { success: false, error: err }
|
||
}
|
||
|
||
onStatus?.('正在启动微信...', 0)
|
||
const sub = spawn(wechatPath, {
|
||
detached: true,
|
||
stdio: 'ignore',
|
||
cwd: dirname(wechatPath)
|
||
})
|
||
sub.unref()
|
||
|
||
onStatus?.('等待微信界面就绪...', 0)
|
||
const pid = await this.waitForWeChatWindow()
|
||
if (!pid) return { success: false, error: '启动微信失败或等待界面就绪超时' }
|
||
|
||
onStatus?.(`检测到微信窗口 (PID: ${pid})，正在获取...`, 0)
|
||
onStatus?.('正在检测微信界面组件...', 0)
|
||
await this.waitForWeChatWindowComponents(pid, 15000)
|
||
|
||
const ok = this.initHook(pid)
|
||
if (!ok) {
|
||
const error = this.getLastErrorMsg ? this.decodeCString(this.getLastErrorMsg()) : ''
|
||
if (error) {
|
||
if (error.includes('0xC0000022') || error.includes('ACCESS_DENIED') || error.includes('打开目标进程失败')) {
|
||
const friendlyError = '权限不足：无法访问微信进程。\n\n解决方法：\n1. 右键 WeFlow 图标，选择"以管理员身份运行"\n2. 关闭可能拦截的安全软件（如360、火绒等）\n3. 确保微信没有以管理员权限运行'
|
||
return { success: false, error: friendlyError }
|
||
}
|
||
return { success: false, error }
|
||
}
|
||
const statusBuffer = Buffer.alloc(256)
|
||
const levelOut = [0]
|
||
const status = this.getStatusMessage && this.getStatusMessage(statusBuffer, statusBuffer.length, levelOut)
|
||
? this.decodeUtf8(statusBuffer)
|
||
: ''
|
||
return { success: false, error: status || '初始化失败' }
|
||
}
|
||
|
||
const keyBuffer = Buffer.alloc(128)
|
||
const start = Date.now()
|
||
|
||
try {
|
||
while (Date.now() - start < timeoutMs) {
|
||
if (this.pollKeyData(keyBuffer, keyBuffer.length)) {
|
||
const key = this.decodeUtf8(keyBuffer)
|
||
if (key.length === 64) {
|
||
onStatus?.('密钥获取成功', 1)
|
||
return { success: true, key, logs }
|
||
}
|
||
}
|
||
|
||
for (let i = 0; i < 5; i++) {
|
||
const statusBuffer = Buffer.alloc(256)
|
||
const levelOut = [0]
|
||
if (!this.getStatusMessage(statusBuffer, statusBuffer.length, levelOut)) break
|
||
const msg = this.decodeUtf8(statusBuffer)
|
||
const level = levelOut[0] ?? 0
|
||
if (msg) {
|
||
logs.push(msg)
|
||
onStatus?.(msg, level)
|
||
}
|
||
}
|
||
await new Promise((resolve) => setTimeout(resolve, 120))
|
||
}
|
||
} finally {
|
||
try {
|
||
this.cleanupHook()
|
||
} catch { }
|
||
}
|
||
|
||
return { success: false, error: '获取密钥超时', logs }
|
||
}
|
||
|
||
// --- Image Key Stuff (Refactored to Multi-core Crypto Brute Force) ---
|
||
|
||
private isAccountDir(dirPath: string): boolean {
|
||
return (
|
||
existsSync(join(dirPath, 'db_storage')) ||
|
||
existsSync(join(dirPath, 'FileStorage', 'Image')) ||
|
||
existsSync(join(dirPath, 'FileStorage', 'Image2'))
|
||
)
|
||
}
|
||
|
||
private isPotentialAccountName(name: string): boolean {
|
||
const lower = name.toLowerCase()
|
||
if (lower.startsWith('all') || lower.startsWith('applet') || lower.startsWith('backup') || lower.startsWith('wmpf')) return false
|
||
if (lower.startsWith('wxid_')) return true
|
||
if (/^\d+$/.test(name) && name.length >= 6) return true
|
||
return name.length > 5
|
||
}
|
||
|
||
private listAccountDirs(rootDir: string): string[] {
|
||
try {
|
||
const entries = readdirSync(rootDir)
|
||
const high: string[] = []
|
||
const low: string[] = []
|
||
for (const entry of entries) {
|
||
const fullPath = join(rootDir, entry)
|
||
try {
|
||
if (!statSync(fullPath).isDirectory()) continue
|
||
} catch { continue }
|
||
|
||
if (!this.isPotentialAccountName(entry)) continue
|
||
|
||
if (this.isAccountDir(fullPath)) high.push(fullPath)
|
||
else low.push(fullPath)
|
||
}
|
||
return high.length ? high.sort() : low.sort()
|
||
} catch {
|
||
return []
|
||
}
|
||
}
|
||
|
||
private normalizeExistingDir(inputPath: string): string | null {
|
||
const trimmed = inputPath.replace(/[\\\\/]+$/, '')
|
||
if (!existsSync(trimmed)) return null
|
||
try {
|
||
const stats = statSync(trimmed)
|
||
if (stats.isFile()) return dirname(trimmed)
|
||
} catch {
|
||
return null
|
||
}
|
||
return trimmed
|
||
}
|
||
|
||
private resolveAccountDirFromPath(inputPath: string): string | null {
|
||
const normalized = this.normalizeExistingDir(inputPath)
|
||
if (!normalized) return null
|
||
|
||
if (this.isAccountDir(normalized)) return normalized
|
||
|
||
const lower = normalized.toLowerCase()
|
||
if (lower.endsWith('db_storage') || lower.endsWith('filestorage') || lower.endsWith('image') || lower.endsWith('image2')) {
|
||
const parent = dirname(normalized)
|
||
if (this.isAccountDir(parent)) return parent
|
||
const grandParent = dirname(parent)
|
||
if (this.isAccountDir(grandParent)) return grandParent
|
||
}
|
||
|
||
const candidates = this.listAccountDirs(normalized)
|
||
if (candidates.length) return candidates[0]
|
||
return null
|
||
}
|
||
|
||
private resolveAccountDir(manualDir?: string): string | null {
|
||
if (manualDir) {
|
||
const resolved = this.resolveAccountDirFromPath(manualDir)
|
||
if (resolved) return resolved
|
||
}
|
||
|
||
const userProfile = process.env.USERPROFILE
|
||
if (!userProfile) return null
|
||
const roots = [
|
||
join(userProfile, 'Documents', 'xwechat_files'),
|
||
join(userProfile, 'Documents', 'WeChat Files')
|
||
]
|
||
for (const root of roots) {
|
||
if (!existsSync(root)) continue
|
||
const candidates = this.listAccountDirs(root)
|
||
if (candidates.length) return candidates[0]
|
||
}
|
||
return null
|
||
}
|
||
|
||
private findTemplateDatFiles(rootDir: string): string[] {
|
||
const files: string[] = []
|
||
const stack = [rootDir]
|
||
const maxFiles = 256
|
||
while (stack.length && files.length < maxFiles) {
|
||
const dir = stack.pop() as string
|
||
let entries: string[]
|
||
try {
|
||
entries = readdirSync(dir)
|
||
} catch { continue }
|
||
for (const entry of entries) {
|
||
const fullPath = join(dir, entry)
|
||
let stats: any
|
||
try {
|
||
stats = statSync(fullPath)
|
||
} catch { continue }
|
||
if (stats.isDirectory()) {
|
||
stack.push(fullPath)
|
||
} else if (entry.endsWith('_t.dat')) {
|
||
files.push(fullPath)
|
||
if (files.length >= maxFiles) break
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!files.length) return []
|
||
const dateReg = /(\d{4}-\d{2})/
|
||
files.sort((a, b) => {
|
||
const ma = a.match(dateReg)?.[1]
|
||
const mb = b.match(dateReg)?.[1]
|
||
if (ma && mb) return mb.localeCompare(ma)
|
||
return 0
|
||
})
|
||
return files.slice(0, 128)
|
||
}
|
||
|
||
private getXorKey(templateFiles: string[]): number | null {
|
||
const counts = new Map<number, number>()
|
||
const tailSignatures = [
|
||
Buffer.from([0xFF, 0xD9]),
|
||
Buffer.from([0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82])
|
||
]
|
||
for (const file of templateFiles) {
|
||
try {
|
||
const bytes = readFileSync(file)
|
||
for (const signature of tailSignatures) {
|
||
if (bytes.length < signature.length) continue
|
||
const tail = bytes.subarray(bytes.length - signature.length)
|
||
const xorKey = tail[0] ^ signature[0]
|
||
let valid = true
|
||
for (let i = 1; i < signature.length; i++) {
|
||
if ((tail[i] ^ xorKey) !== signature[i]) {
|
||
valid = false
|
||
break
|
||
}
|
||
}
|
||
if (valid) counts.set(xorKey, (counts.get(xorKey) ?? 0) + 1)
|
||
}
|
||
} catch { }
|
||
}
|
||
if (!counts.size) return null
|
||
let bestKey: number | null = null
|
||
let bestCount = 0
|
||
for (const [key, count] of counts) {
|
||
if (count > bestCount) {
|
||
bestCount = count
|
||
bestKey = key
|
||
}
|
||
}
|
||
return bestKey
|
||
}
|
||
|
||
// 改为返回 Buffer 数组，收集最多2个样本用于双重校验
|
||
private getCiphertextsFromTemplate(templateFiles: string[]): Buffer[] {
|
||
const ciphertexts: Buffer[] = []
|
||
for (const file of templateFiles) {
|
||
try {
|
||
const bytes = readFileSync(file)
|
||
if (bytes.length < 0x1f) continue
|
||
// 匹配微信 DAT 文件的特定头部特征
|
||
if (
|
||
bytes[0] === 0x07 && bytes[1] === 0x08 && bytes[2] === 0x56 &&
|
||
bytes[3] === 0x32 && bytes[4] === 0x08 && bytes[5] === 0x07
|
||
) {
|
||
ciphertexts.push(bytes.subarray(0x0f, 0x1f))
|
||
// 收集到 2 个样本就足够做双重校验了
|
||
if (ciphertexts.length >= 2) break
|
||
}
|
||
} catch { }
|
||
}
|
||
return ciphertexts
|
||
}
|
||
|
||
private async bruteForceAesKey(
|
||
xorKey: number,
|
||
wxid: string,
|
||
ciphertexts: Buffer[],
|
||
onProgress?: (msg: string) => void
|
||
): Promise<string | null> {
|
||
const numCores = os.cpus().length || 4
|
||
const totalCombinations = 1 << 24 // 16,777,216 种可能性
|
||
const chunkSize = Math.ceil(totalCombinations / numCores)
|
||
|
||
onProgress?.(`准备启动 ${numCores} 个线程进行极速爆破...`)
|
||
|
||
const workerCode = `
|
||
const { parentPort, workerData } = require('worker_threads');
|
||
const crypto = require('crypto');
|
||
|
||
const { start, end, xorKey, wxid, cipherHexList } = workerData;
|
||
const ciphertexts = cipherHexList.map(hex => Buffer.from(hex, 'hex'));
|
||
|
||
function verifyKey(cipher, keyStr) {
|
||
try {
|
||
const decipher = crypto.createDecipheriv('aes-128-ecb', keyStr, null);
|
||
decipher.setAutoPadding(false);
|
||
const decrypted = Buffer.concat([decipher.update(cipher), decipher.final()]);
|
||
const isJpeg = decrypted.length >= 3 && decrypted[0] === 0xff && decrypted[1] === 0xd8 && decrypted[2] === 0xff;
|
||
const isPng = decrypted.length >= 8 && decrypted[0] === 0x89 && decrypted[1] === 0x50 && decrypted[2] === 0x4e && decrypted[3] === 0x47;
|
||
return isJpeg || isPng;
|
||
} catch {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
let found = null;
|
||
for (let upper = end - 1; upper >= start; upper--) {
|
||
// 我就写 --
|
||
if (upper % 100000 === 0 && upper !== start) {
|
||
parentPort.postMessage({ type: 'progress', scanned: 100000 });
|
||
}
|
||
|
||
const number = (upper * 256) + xorKey;
|
||
|
||
// 1. 无符号整数校验
|
||
const strUnsigned = number.toString(10) + wxid;
|
||
const md5Unsigned = crypto.createHash('md5').update(strUnsigned).digest('hex').slice(0, 16);
|
||
|
||
let isValidUnsigned = true;
|
||
for (const cipher of ciphertexts) {
|
||
if (!verifyKey(cipher, md5Unsigned)) {
|
||
isValidUnsigned = false;
|
||
break;
|
||
}
|
||
}
|
||
if (isValidUnsigned) {
|
||
found = md5Unsigned;
|
||
break;
|
||
}
|
||
|
||
// 2. 带符号整数校验 (溢出边界情况)
|
||
if (number > 0x7FFFFFFF) {
|
||
const strSigned = (number | 0).toString(10) + wxid;
|
||
const md5Signed = crypto.createHash('md5').update(strSigned).digest('hex').slice(0, 16);
|
||
|
||
let isValidSigned = true;
|
||
for (const cipher of ciphertexts) {
|
||
if (!verifyKey(cipher, md5Signed)) {
|
||
isValidSigned = false;
|
||
break;
|
||
}
|
||
}
|
||
if (isValidSigned) {
|
||
found = md5Signed;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (found) {
|
||
parentPort.postMessage({ type: 'success', key: found });
|
||
} else {
|
||
parentPort.postMessage({ type: 'done' });
|
||
}
|
||
`
|
||
|
||
return new Promise((resolve) => {
|
||
let activeWorkers = numCores
|
||
let resolved = false
|
||
let totalScanned = 0 // 总进度计数器
|
||
const workers: Worker[] = []
|
||
|
||
const cleanup = () => {
|
||
for (const w of workers) w.terminate()
|
||
}
|
||
|
||
for (let i = 0; i < numCores; i++) {
|
||
const start = i * chunkSize
|
||
const end = Math.min(start + chunkSize, totalCombinations)
|
||
|
||
const worker = new Worker(workerCode, {
|
||
eval: true,
|
||
workerData: {
|
||
start,
|
||
end,
|
||
xorKey,
|
||
wxid,
|
||
cipherHexList: ciphertexts.map(c => c.toString('hex')) // 传入数组
|
||
}
|
||
})
|
||
workers.push(worker)
|
||
|
||
worker.on('message', (msg) => {
|
||
if (!msg) return
|
||
if (msg.type === 'progress') {
|
||
totalScanned += msg.scanned
|
||
const percent = ((totalScanned / totalCombinations) * 100).toFixed(1)
|
||
// 优化文案，并确保包含 (xx.x%) 供前端解析
|
||
onProgress?.(`多核爆破引擎运行中：已扫描 ${(totalScanned / 10000).toFixed(0)} 万个密钥空间 (${percent}%)`)
|
||
} else if (msg.type === 'success' && !resolved) {
|
||
resolved = true
|
||
cleanup()
|
||
resolve(msg.key)
|
||
} else if (msg.type === 'done') {
|
||
// 单个 worker 跑完了没有找到（计数统一在 exit 事件处理）
|
||
}
|
||
})
|
||
|
||
worker.on('error', (err) => {
|
||
console.error('Worker error:', err)
|
||
})
|
||
|
||
// 统一在 exit 事件中做完成计数，避免 done/error + exit 双重递减
|
||
worker.on('exit', () => {
|
||
activeWorkers--
|
||
if (activeWorkers === 0 && !resolved) resolve(null)
|
||
})
|
||
}
|
||
})
|
||
}
|
||
|
||
async autoGetImageKey(
|
||
manualDir?: string,
|
||
onProgress?: (message: string) => void
|
||
): Promise<ImageKeyResult> {
|
||
onProgress?.('正在定位微信账号数据目录...')
|
||
const accountDir = this.resolveAccountDir(manualDir)
|
||
if (!accountDir) return { success: false, error: '未找到微信账号目录' }
|
||
|
||
let wxid = basename(accountDir)
|
||
wxid = wxid.replace(/_[0-9a-fA-F]{4}$/, '')
|
||
|
||
onProgress?.('正在收集并分析加密模板文件...')
|
||
const templateFiles = this.findTemplateDatFiles(accountDir)
|
||
if (!templateFiles.length) return { success: false, error: '未找到模板文件' }
|
||
|
||
onProgress?.('正在计算特征 XOR 密钥...')
|
||
const xorKey = this.getXorKey(templateFiles)
|
||
if (xorKey == null) return { success: false, error: '无法计算 XOR 密钥' }
|
||
|
||
onProgress?.('正在读取加密模板区块...')
|
||
const ciphertexts = this.getCiphertextsFromTemplate(templateFiles)
|
||
if (ciphertexts.length < 2) return { success: false, error: '可用的加密样本不足（至少需要2个），请确认账号目录下有足够的模板图片' }
|
||
|
||
onProgress?.(`成功提取 ${ciphertexts.length} 个特征样本，准备交叉校验...`)
|
||
onProgress?.(`准备启动 ${os.cpus().length || 4} 线程并发爆破引擎 (基于 wxid: ${wxid})...`)
|
||
|
||
const aesKey = await this.bruteForceAesKey(xorKey, wxid, ciphertexts, (msg) => {
|
||
onProgress?.(msg)
|
||
})
|
||
|
||
if (!aesKey) {
|
||
return {
|
||
success: false,
|
||
error: 'AES 密钥爆破失败，请确认该账号近期是否有接收过图片，或更换账号目录重试'
|
||
}
|
||
}
|
||
|
||
return { success: true, xorKey, aesKey }
|
||
}
|
||
} |