mirror of
https://github.com/moonD4rk/HackBrowserData.git
synced 2026-06-04 19:48:01 +02:00
Roger
100 lines
3.0 KiB
Go
100 lines
3.0 KiB
Go
package browser
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import (
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"runtime"
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"github.com/moond4rk/hackbrowserdata/log"
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"github.com/moond4rk/hackbrowserdata/masterkey"
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)
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// BuildDump exports one Vault per installation (Firefox/Safari, lacking KeyManager, are skipped).
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// Partial results are kept — a Chrome 127+ profile mixes v10+v20, so a v20-only failure must not
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// discard a usable v10 key.
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func BuildDump(browsers []Browser) masterkey.Dump {
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dump := masterkey.NewDump()
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for _, b := range browsers {
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km, ok := b.(KeyManager)
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if !ok {
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continue
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}
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mk, err := km.ExportKeys()
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if err != nil {
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status := "partial"
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if !mk.HasAny() {
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status = "failed"
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}
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log.Warnf("dump-keys: %s %s: %v", b.BrowserName(), status, err)
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}
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if !mk.HasAny() {
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continue
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}
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dump.Vaults = append(dump.Vaults, masterkey.Vault{
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Browser: b.BrowserName(),
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UserDataDir: b.UserDataDir(),
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Profiles: profileNames(b),
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Keys: mk,
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})
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}
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return dump
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}
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func profileNames(b Browser) []string {
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profiles := b.Profiles()
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names := make([]string, 0, len(profiles))
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for _, p := range profiles {
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names = append(names, p.Name)
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}
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return names
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}
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// ApplyDump overlays StaticRetrievers from dump onto matching installations (Firefox/Safari skipped).
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// Match is by (BrowserName, UserDataDir); on miss — commonly a cross-host path mismatch (Windows vs
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// POSIX, or a relocated dir via -p) — it falls back to the sole vault for that browser name. No match
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// → warn and leave the platform retrievers in place.
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func ApplyDump(browsers []Browser, dump masterkey.Dump) {
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if dump.Host.OS != "" && dump.Host.OS != runtime.GOOS {
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log.Infof("apply-keys: dump created on %s/%s; current host is %s/%s",
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dump.Host.OS, dump.Host.Arch, runtime.GOOS, runtime.GOARCH)
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}
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vaultIndex := make(map[string]*masterkey.Vault, len(dump.Vaults))
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vaultsByBrowser := make(map[string][]*masterkey.Vault)
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for i := range dump.Vaults {
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v := &dump.Vaults[i]
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vaultIndex[v.Browser+"|"+v.UserDataDir] = v
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vaultsByBrowser[v.Browser] = append(vaultsByBrowser[v.Browser], v)
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}
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for _, b := range browsers {
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km, ok := b.(KeyManager)
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if !ok {
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continue
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}
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v, found := vaultIndex[b.BrowserName()+"|"+b.UserDataDir()]
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if !found {
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if candidates := vaultsByBrowser[b.BrowserName()]; len(candidates) == 1 {
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v = candidates[0]
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log.Infof("apply-keys: %s using sole vault for browser (dump path %q != local %q)",
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b.BrowserName(), v.UserDataDir, b.UserDataDir())
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found = true
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}
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}
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if !found {
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log.Warnf("apply-keys: %s no matching vault in dump", b.BrowserName())
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continue
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}
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km.SetRetrievers(masterkey.Retrievers{
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V10: maybeStaticRetriever(v.Keys.V10),
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V11: maybeStaticRetriever(v.Keys.V11),
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V20: maybeStaticRetriever(v.Keys.V20),
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})
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}
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}
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// maybeStaticRetriever wraps non-empty key bytes as a StaticRetriever; an empty/nil key returns nil
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// to preserve the "tier not applicable" signal NewMasterKeys expects.
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func maybeStaticRetriever(key []byte) masterkey.Retriever {
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if len(key) == 0 {
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return nil
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}
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return masterkey.NewStaticRetriever(key)
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}
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