Added module to extract db queries

mvt/android/modules/adb/dumpsys_dbinfo.py

@@ -0,0 +1,73 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021 The MVT Project Authors.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+
+import logging
+import re
+
+from .base import AndroidExtraction
+
+log = logging.getLogger(__name__)
+
+
+class DumpsysDBInfo(AndroidExtraction):
+    """This module extracts records from battery daily updates."""
+
+    slug = "dumpsys_dbinfo"
+
+    def __init__(self, file_path=None, base_folder=None, output_folder=None,
+                 serial=None, fast_mode=False, log=None, results=[]):
+        super().__init__(file_path=file_path, base_folder=base_folder,
+                         output_folder=output_folder, fast_mode=fast_mode,
+                         log=log, results=results)
+
+    def check_indicators(self):
+        for result in self.results:
+            path = result.get("path", "")
+            for part in path.split("/"):
+                ioc = self.indicators.check_app_id(part)
+                if ioc:
+                    result["matched_indicators"] = ioc
+                    self.detected.append(result)
+                    continue
+
+    def process_dbinfo(self, output):
+        rxp = re.compile(r'.*\[([0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9]{3})\].*\[Pid:\((\d+)\)\](\w+).*sql\=\"(.+?)\".*path\=(.*?$)')
+
+        in_operations = False
+        for line in output.split("\n"):
+            if line.strip() == "Most recently executed operations:":
+                in_operations = True
+                continue
+
+            if not in_operations:
+                continue
+
+            if not line.startswith("        "):
+                in_operations = False
+                continue
+
+            matches = rxp.findall(line)
+            if not matches:
+                continue
+
+            match = matches[0]
+            self.results.append({
+                "isodate": match[0],
+                "pid": match[1],
+                "action": match[2],
+                "sql": match[3],
+                "path": match[4],
+            })
+
+    def run(self):
+        self._adb_connect()
+
+        output = self._adb_command("dumpsys dbinfo")
+        self.process_dbinfo(output)
+
+        self.log.info("Extracted a total of %d records from database information",
+                      len(self.results))
+
+        self._adb_disconnect()