Restructure MVT to use pyproject.toml

src/mvt/android/artifacts/dumpsys_appops.py

@@ -0,0 +1,150 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021-2023 The MVT Authors.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+
+from datetime import datetime
+from typing import Any, Dict, List, Union
+
+from mvt.common.utils import convert_datetime_to_iso
+
+from .artifact import AndroidArtifact
+
+
+class DumpsysAppopsArtifact(AndroidArtifact):
+    """
+    Parser for dumpsys app ops info
+    """
+
+    def serialize(self, record: dict) -> Union[dict, list]:
+        records = []
+        for perm in record["permissions"]:
+            if "entries" not in perm:
+                continue
+
+            for entry in perm["entries"]:
+                if "timestamp" in entry:
+                    records.append(
+                        {
+                            "timestamp": entry["timestamp"],
+                            "module": self.__class__.__name__,
+                            "event": entry["access"],
+                            "data": f"{record['package_name']} access to "
+                            f"{perm['name']}: {entry['access']}",
+                        }
+                    )
+
+        return records
+
+    def check_indicators(self) -> None:
+        for result in self.results:
+            if self.indicators:
+                ioc = self.indicators.check_app_id(result.get("package_name"))
+                if ioc:
+                    result["matched_indicator"] = ioc
+                    self.detected.append(result)
+                    continue
+
+            for perm in result["permissions"]:
+                if (
+                    perm["name"] == "REQUEST_INSTALL_PACKAGES"
+                    and perm["access"] == "allow"
+                ):
+                    self.log.info(
+                        "Package %s with REQUEST_INSTALL_PACKAGES " "permission",
+                        result["package_name"],
+                    )
+
+    def parse(self, output: str) -> None:
+        self.results: List[Dict[str, Any]] = []
+        perm = {}
+        package = {}
+        entry = {}
+        uid = None
+        in_packages = False
+
+        for line in output.splitlines():
+            if line.startswith("  Uid 0:"):
+                in_packages = True
+
+            if not in_packages:
+                continue
+
+            if line.startswith("  Uid "):
+                uid = line[6:-1]
+                if entry:
+                    perm["entries"].append(entry)
+                    entry = {}
+                if package:
+                    if perm:
+                        package["permissions"].append(perm)
+
+                    perm = {}
+                    self.results.append(package)
+                package = {}
+                continue
+
+            if line.startswith("    Package "):
+                if entry:
+                    perm["entries"].append(entry)
+                    entry = {}
+
+                if package:
+                    if perm:
+                        package["permissions"].append(perm)
+
+                    perm = {}
+                    self.results.append(package)
+
+                package = {
+                    "package_name": line[12:-1],
+                    "permissions": [],
+                    "uid": uid,
+                }
+                continue
+
+            if package and line.startswith("      ") and line[6] != " ":
+                if entry:
+                    perm["entries"].append(entry)
+                    entry = {}
+                if perm:
+                    package["permissions"].append(perm)
+                    perm = {}
+
+                perm["name"] = line.split()[0]
+                perm["entries"] = []
+                if len(line.split()) > 1:
+                    perm["access"] = line.split()[1][1:-2]
+
+                continue
+
+            if line.startswith("          "):
+                # Permission entry like:
+                # Reject: [fg-s]2021-05-19 22:02:52.054 (-314d1h25m2s33ms)
+                if entry:
+                    perm["entries"].append(entry)
+                    entry = {}
+
+                entry["access"] = line.split(":")[0].strip()
+                entry["type"] = line[line.find("[") + 1 : line.find("]")]
+
+                try:
+                    entry["timestamp"] = convert_datetime_to_iso(
+                        datetime.strptime(
+                            line[line.find("]") + 1 : line.find("(")].strip(),
+                            "%Y-%m-%d %H:%M:%S.%f",
+                        )
+                    )
+                except ValueError:
+                    # Invalid date format
+                    pass
+
+            if line.strip() == "":
+                break
+
+        if entry:
+            perm["entries"].append(entry)
+        if perm:
+            package["permissions"].append(perm)
+        if package:
+            self.results.append(package)