135 lines
2.8 KiB
Go
135 lines
2.8 KiB
Go
package wechat
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import (
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"context"
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"os"
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"github.com/sjzar/chatlog/internal/errors"
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"github.com/sjzar/chatlog/internal/wechat/decrypt"
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"github.com/sjzar/chatlog/internal/wechat/key"
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"github.com/sjzar/chatlog/internal/wechat/model"
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)
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// Account 表示一个微信账号
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type Account struct {
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Name string
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Platform string
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Version int
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FullVersion string
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DataDir string
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Key string
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PID uint32
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ExePath string
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Status string
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}
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// NewAccount 创建新的账号对象
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func NewAccount(proc *model.Process) *Account {
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return &Account{
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Name: proc.AccountName,
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Platform: proc.Platform,
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Version: proc.Version,
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FullVersion: proc.FullVersion,
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DataDir: proc.DataDir,
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PID: proc.PID,
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ExePath: proc.ExePath,
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Status: proc.Status,
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}
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}
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// RefreshStatus 刷新账号的进程状态
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func (a *Account) RefreshStatus() error {
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// 查找所有微信进程
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Load()
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process, err := GetProcess(a.Name)
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if err != nil {
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a.Status = model.StatusOffline
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return nil
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}
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if process.AccountName == a.Name {
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// 更新进程信息
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a.PID = process.PID
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a.ExePath = process.ExePath
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a.Platform = process.Platform
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a.Version = process.Version
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a.FullVersion = process.FullVersion
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a.Status = process.Status
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a.DataDir = process.DataDir
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}
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return nil
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}
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// GetKey 获取账号的密钥
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func (a *Account) GetKey(ctx context.Context) (string, error) {
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// 如果已经有密钥，直接返回
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if a.Key != "" {
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return a.Key, nil
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}
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// 刷新进程状态
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if err := a.RefreshStatus(); err != nil {
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return "", errors.RefreshProcessStatusFailed(err)
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}
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// 检查账号状态
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if a.Status != model.StatusOnline {
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return "", errors.WeChatAccountNotOnline(a.Name)
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}
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// 创建密钥提取器 - 使用新的接口，传入平台和版本信息
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extractor, err := key.NewExtractor(a.Platform, a.Version)
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if err != nil {
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return "", err
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}
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process, err := GetProcess(a.Name)
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if err != nil {
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return "", err
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}
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validator, err := decrypt.NewValidator(process.Platform, process.Version, process.DataDir)
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if err != nil {
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return "", err
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}
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extractor.SetValidate(validator)
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// 提取密钥
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key, err := extractor.Extract(ctx, process)
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if err != nil {
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return "", err
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}
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// 保存密钥
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a.Key = key
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return key, nil
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}
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// DecryptDatabase 解密数据库
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func (a *Account) DecryptDatabase(ctx context.Context, dbPath, outputPath string) error {
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// 获取密钥
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hexKey, err := a.GetKey(ctx)
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if err != nil {
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return err
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}
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// 创建解密器 - 传入平台信息和版本
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decryptor, err := decrypt.NewDecryptor(a.Platform, a.Version)
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if err != nil {
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return err
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}
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// 创建输出文件
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output, err := os.Create(outputPath)
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if err != nil {
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return err
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}
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defer output.Close()
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// 解密数据库
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return decryptor.Decrypt(ctx, dbPath, hexKey, output)
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}
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