Handle XML encoded ADB keystore and fix parsing bugs (#605)

tests/android/test_artifact_dumpsys_adb.py

@@ -29,3 +29,28 @@ class TestDumpsysADBArtifact:
             user_key["fingerprint"] == "F0:A1:3D:8C:B3:F4:7B:09:9F:EE:8B:D8:38:2E:BD:C6"
         )
         assert user_key["user"] == "user@linux"
+
+    def test_parsing_adb_xml(self):
+        da_adb = DumpsysADBArtifact()
+        file = get_artifact("android_data/dumpsys_adb_xml.txt")
+        with open(file, "rb") as f:
+            data = f.read()
+
+        da_adb.parse(data)
+
+        assert len(da_adb.results) == 1
+
+        adb_data = da_adb.results[0]
+        assert "user_keys" in adb_data
+        assert len(adb_data["user_keys"]) == 1
+
+        # Check key and fingerprint parsed successfully.
+        expected_fingerprint = "F0:0B:27:08:E3:68:7B:FA:4C:79:A2:B4:BF:0E:CF:70"
+        user_key = adb_data["user_keys"][0]
+        user_key["fingerprint"] == expected_fingerprint
+        assert user_key["user"] == "user@laptop"
+
+        key_store_entry = adb_data["keystore"][0]
+        assert key_store_entry["user"] == "user@laptop"
+        assert key_store_entry["fingerprint"] == expected_fingerprint
+        assert key_store_entry["last_connected"] == "1628501829898"