Fix module audit findings (#850)

* Fix module audit findings

* Always parse paired tombstones

tests/android/test_artifact_dumpsys_battery_history.py

@@ -42,3 +42,22 @@ class TestDumpsysBatteryHistoryArtifact:
         assert len(dba.alertstore.alerts) == 0
         dba.check_indicators()
         assert len(dba.alertstore.alerts) == 2
+
+    def test_parsing_absolute_timestamps(self):
+        dba = DumpsysBatteryHistoryArtifact()
+        dba.parse(
+            """07-15 20:27:39.431 (2) 100 +job=u0a123:"com.example/.ExampleJob"
+07-15 20:27:40.431 (2) 100 -job=u0a123:"com.example/.ExampleJob"
+"""
+        )
+
+        assert len(dba.results) == 2
+        assert dba.results[0] == {
+            "time_elapsed": "07-15 20:27:39.431",
+            "event": "start_job",
+            "uid": "u0a123",
+            "package_name": "com.example",
+            "service": "com.example/.ExampleJob",
+        }
+        assert dba.results[1]["event"] == "end_job"
+        assert dba.results[1]["uid"] == "u0a123"

tests/android/test_artifact_dumpsys_dbinfo.py

@@ -40,3 +40,22 @@ class TestDumpsysDBinfoArtifact:
         assert len(dbi.alertstore.alerts) == 0
         dbi.check_indicators()
         assert len(dbi.alertstore.alerts) == 5
+
+    def test_parsing_month_day_timestamp_without_pid(self):
+        dbi = DumpsysDBInfoArtifact()
+        dbi.parse(
+            """
+Connection pool for /data/user/0/com.example/databases/current.db:
+      Most recently executed operations:
+        0: [07-15 20:27:39.431] executeForCursorWindow took 1ms - succeeded, sql="SELECT 1"
+"""
+        )
+
+        assert dbi.results == [
+            {
+                "isodate": "07-15 20:27:39.431",
+                "action": "executeForCursorWindow",
+                "sql": "SELECT 1",
+                "path": "/data/user/0/com.example/databases/current.db",
+            }
+        ]

tests/android/test_backup_parser.py

@@ -5,7 +5,10 @@
 
 import hashlib
 
+import pytest
+
 from mvt.android.parsers.backup import (
+    AndroidBackupParsingError,
     parse_ab_header,
     parse_backup_file,
     parse_tar_for_sms,
@@ -23,6 +26,14 @@ class TestBackupParsing:
             "encryption": None,
         }
 
+    def test_parse_truncated_encrypted_header(self):
+        with pytest.raises(
+            AndroidBackupParsingError, match="Invalid encrypted backup header"
+        ):
+            parse_backup_file(
+                b"ANDROID BACKUP\n5\n0\nAES-256\ntruncated", password="password"
+            )
+
     def test_parsing_noencryption(self):
         file = get_artifact("android_backup/backup.ab")
         with open(file, "rb") as f: