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Apk Analyzer

The aim of this gem is to extract some data from android apk files. Analysis results are printed in json. It can be used with CLI

Installation

Add this line to your application's Gemfile:

gem 'apk_analyzer'

And then execute:

$ bundle

Or install it yourself as:

$ gem install apk_analyzer

Usage

  1. CLI Usage

In a terminal use Apk analyzer like this:

$ apk_analyzer --manifest --cert-info --file /path/to/apk

Script above will collect and print:

  • Android manifest informations
  • Apk certificate informations if it have been signed

Result

{
  "manifest_info": {
    "path_in_apk": "AndroidManifest.xml",
    "content": {
      "application_info": {
        "theme": "13",
        "label": "E.app.label",
        "icon": "@drawable/ic_launcher",
        "name": "com.package.xxxx.xxxx",
        "debuggable": true,
        "allowBackup": true,
        "hardwareAccelerated": true,
        "application_id": "com.xxxxxxx.xxxx.xxx"
      },
      "intents": [
        {
          "actions": [
            "android.intent.action.MAIN"
          ],
          "category": "android.intent.category.LAUNCHER"
        },
        {
          "actions": [
            "com.android.vending.INSTALL_REFERRER"
          ]
        },
        {
          "actions": [
            "com.google.android.c2dm.intent.RECEIVE",
            "com.google.android.c2dm.intent.REGISTRATION"
          ],
          "category": "com.xxxxxx.xxx.rec"
        },
        {
          "actions": [
            "com.google.firebase.INSTANCE_ID_EVENT"
          ]
        }
      ],
      "uses_sdk": {
        "minimum_sdk_version": 14,
        "target_sdk_version": 23
      },
      "uses_permissions": [
        "android.permission.INTERNET",
        "android.permission.CAMERA",
        "android.permission.WRITE_EXTERNAL_STORAGE",
        "android.permission.READ_EXTERNAL_STORAGE",
        "android.permission.VIBRATE",
        "com.google.android.c2dm.permission.RECEIVE",
        "android.permission.ACCESS_NETWORK_STATE",
        "android.permission.WAKE_LOCK",
        "com.modulotech.xxxxxxx.xxxx.permission.C2D_MESSAGE"
      ],
      "uses_features": [
        {
          "name": "android.hardware.camera",
          "required": true
        }
      ],
      "supports_screens": [
        "anyDensity",
        "normalScreens",
        "largeScreens",
        "xlargeScreens"
      ]
    }
  },
  "cert_info": {
    "issuer_raw": "subject= C=US, O=Android, CN=Android Debug",
    "cn": "Android Debug",
    "ou": null,
    "o": "Android",
    "st": null,
    "l": null,
    "c": "US",
    "creation_date": "Sep 15 07:06:03 2011 GMT",
    "expiration_date": "Sep  7 07:06:03 2041 GMT"
  }
}
  1. Inside Ruby code
require 'apk_analyzer'

# Instantiate analyzer
apk_analyzer = ApkAnalyzer::Analyzer.new(File.expand_path('path/to/apk'))

# Then collect data
manifest_info = apk_analyzer.collect_manifest_info
certificate_info = apk_analyzer.collect_cert_info

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/Backelite/apk_analyzer.

Requirements

  • Java keytool: Java and its keytool utility must be installed and set in the PATH on your OS
  • OpenSSL: version 1.0.2g (1 Mar 2016) or greater

Known issues

To avoid rubyzip 'Invalid date/time in zip entry' message logged by rubzip dependency on apktools gem we updated it in our gem and set warn_invalid_date to false. A pull request is pending to correct this on apkxml gem too.

License

The gem is available as open source under the terms of the MIT License.