feat: add chromium for linux

internal/browser/chromium/chromium_linux.go

@@ -1 +1,65 @@
 package chromium
+
+import (
+	"crypto/sha1"
+
+	"github.com/godbus/dbus/v5"
+	keyring "github.com/ppacher/go-dbus-keyring"
+	"golang.org/x/crypto/pbkdf2"
+
+	"hack-browser-data/internal/log"
+)
+
+func (c *chromium) GetMasterKey() ([]byte, error) {
+	// what is d-bus @https://dbus.freedesktop.org/
+	var chromeSecret []byte
+	conn, err := dbus.SessionBus()
+	if err != nil {
+		return nil, err
+	}
+	svc, err := keyring.GetSecretService(conn)
+	if err != nil {
+		return nil, err
+	}
+	session, err := svc.OpenSession()
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		session.Close()
+	}()
+	collections, err := svc.GetAllCollections()
+	if err != nil {
+		return nil, err
+	}
+	for _, col := range collections {
+		items, err := col.GetAllItems()
+		if err != nil {
+			return nil, err
+		}
+		for _, item := range items {
+			label, err := item.GetLabel()
+			if err != nil {
+				log.Error(err)
+				continue
+			}
+			if label == c.storage {
+				se, err := item.GetSecret(session.Path())
+				if err != nil {
+					log.Error(err)
+					return nil, err
+				}
+				chromeSecret = se.Value
+			}
+		}
+	}
+	// TODO: handle error if no secret found
+	if chromeSecret == nil {
+		return nil, err
+	}
+	var chromeSalt = []byte("saltysalt")
+	// @https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_linux.cc
+	key := pbkdf2.Key(chromeSecret, chromeSalt, 1, 16, sha1.New)
+	c.masterKey = key
+	return key, nil
+}