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HackBrowserData/internal/browingdata/localstorage/localstorage.go

146 lines
3.0 KiB

package localstorage
import (
"bytes"
"database/sql"
"fmt"
"os"
"strings"
"github.com/syndtr/goleveldb/leveldb"
"hack-browser-data/internal/item"
"hack-browser-data/internal/log"
"hack-browser-data/internal/utils/typeutil"
)
type ChromiumLocalStorage []storage
type storage struct {
IsMeta bool
URL string
Key string
Value string
}
func (c *ChromiumLocalStorage) Parse(masterKey []byte) error {
db, err := leveldb.OpenFile(item.TempChromiumLocalStorage, nil)
if err != nil {
return err
}
defer os.RemoveAll(item.TempChromiumLocalStorage)
// log.Info("parsing local storage now")
defer db.Close()
iter := db.NewIterator(nil, nil)
for iter.Next() {
key := iter.Key()
value := iter.Value()
// don't parse value upper than 5kB
if len(value) > 1024*5 {
continue
}
var s = new(storage)
s.fillKey(key)
s.fillValue(value)
// don't save meta data
if s.IsMeta {
continue
}
*c = append(*c, *s)
}
iter.Release()
err = iter.Error()
return err
}
func (c *ChromiumLocalStorage) Name() string {
return "localStorage"
}
func (s *storage) fillKey(b []byte) {
keys := bytes.Split(b, []byte("\x00"))
if len(keys) == 1 && bytes.HasPrefix(keys[0], []byte("META:")) {
s.IsMeta = true
s.fillMetaHeader(keys[0])
}
if len(keys) == 2 && bytes.HasPrefix(keys[0], []byte("_")) {
s.fillHeader(keys[0], keys[1])
}
}
func (s *storage) fillMetaHeader(b []byte) {
s.URL = string(bytes.Trim(b, "META:"))
}
func (s *storage) fillHeader(url, key []byte) {
s.URL = string(bytes.Trim(url, "_"))
s.Key = string(bytes.Trim(key, "\x01"))
}
// fillValue fills value of the storage
// TODO: support unicode charter
func (s *storage) fillValue(b []byte) {
t := fmt.Sprintf("%c", b)
m := strings.NewReplacer(" ", "", "\x00", "", "\x01", "").Replace(t)
s.Value = m
}
type FirefoxLocalStorage []storage
const (
queryFirefoxHistory = `SELECT originKey, key, value FROM webappsstore2`
closeJournalMode = `PRAGMA journal_mode=off`
)
func (f *FirefoxLocalStorage) Parse(masterKey []byte) error {
db, err := sql.Open("sqlite3", item.TempFirefoxLocalStorage)
if err != nil {
return err
}
if err != nil {
return err
}
defer os.Remove(item.TempFirefoxLocalStorage)
defer db.Close()
_, err = db.Exec(closeJournalMode)
if err != nil {
return err
}
defer db.Close()
rows, err := db.Query(queryFirefoxHistory)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var (
originKey, key, value string
)
if err = rows.Scan(&originKey, &key, &value); err != nil {
log.Warn(err)
}
var s = new(storage)
s.fillFirefox(originKey, key, value)
*f = append(*f, *s)
}
return nil
}
func (s *storage) fillFirefox(originKey, key, value string) {
// originKey = moc.buhtig.:https:443
p := strings.Split(originKey, ":")
h := typeutil.Reverse([]byte(p[0]))
if bytes.HasPrefix(h, []byte(".")) {
h = h[1:]
}
if len(p) == 3 {
s.URL = fmt.Sprintf("%s://%s:%s", p[1], string(h), p[2])
}
s.Key = key
s.Value = value
}
func (f *FirefoxLocalStorage) Name() string {
return "localStorage"
}