def collect_logs(request):
    """Collecting Data and Cleanup."""
    logger.info('Collecting Data and Cleaning Up')
    data = {}
    try:
        env = Environment()
        md5_hash = request.POST['hash']
        package = request.POST['package']
        if (not strict_package_check(package) or not is_md5(md5_hash)):
            return invalid_params()
        apk_dir = os.path.join(settings.UPLD_DIR, md5_hash + '/')
        lout = os.path.join(apk_dir, 'logcat.txt')
        dout = os.path.join(apk_dir, 'dump.txt')
        logger.info('Downloading logcat logs')
        logcat = env.adb_command(['logcat', '-d', package + ':V', '*:*'])
        with open(lout, 'wb') as flip:
            flip.write(logcat)
        logger.info('Downloading dumpsys logs')
        dumpsys = env.adb_command(['dumpsys'], True)
        with open(dout, 'wb') as flip:
            flip.write(dumpsys)
        if env.get_android_version() < 5:
            download_xposed_log(apk_dir)
        env.adb_command(['am', 'force-stop', package], True)
        logger.info('Stopping app')
        # Unset Global Proxy
        env.unset_global_proxy()
        data = {'status': 'ok'}
    except Exception as exp:
        logger.exception('Data Collection & Clean Up failed')
        data = {'status': 'failed', 'message': str(exp)}
    return json_response(data)
def dynamic_analyzer(request, checksum, api=False):
    """Android Dynamic Analyzer Environment."""
    logger.info('Creating Dynamic Analysis Environment')
    try:
        no_device = False
        if not is_md5(checksum):
            # We need this check since checksum is not validated
            # in REST API
            return print_n_send_error_response(
                request,
                'Invalid Parameters',
                api)
        package = get_package_name(checksum)
        if not package:
            return print_n_send_error_response(
                request,
                'Invalid Parameters',
                api)
        try:
            identifier = get_device()
        except Exception:
            no_device = True
        if no_device or not identifier:
            msg = ('Is the android instance running? MobSF cannot'
                   ' find android instance identifier. '
                   'Please run an android instance and refresh'
                   ' this page. If this error persists,'
                   ' set ANALYZER_IDENTIFIER in MobSF/settings.py')
            return print_n_send_error_response(request, msg, api)
        env = Environment(identifier)
        if not env.connect_n_mount():
            msg = 'Cannot Connect to ' + identifier
            return print_n_send_error_response(request, msg, api)
        version = env.get_android_version()
        logger.info('Android Version identified as %s', version)
        xposed_first_run = False
        if not env.is_mobsfyied(version):
            msg = ('This Android instance is not MobSfyed/Outdated.\n'
                   'MobSFying the android runtime environment')
            logger.warning(msg)
            if not env.mobsfy_init():
                return print_n_send_error_response(
                    request,
                    'Failed to MobSFy the instance',
                    api)
            if version < 5:
                xposed_first_run = True
        if xposed_first_run:
            msg = ('Have you MobSFyed the instance before'
                   ' attempting Dynamic Analysis?'
                   ' Install Framework for Xposed.'
                   ' Restart the device and enable'
                   ' all Xposed modules. And finally'
                   ' restart the device once again.')
            return print_n_send_error_response(request, msg, api)
        # Clean up previous analysis
        env.dz_cleanup(checksum)
        # Configure Web Proxy
        env.configure_proxy(package)
        # Supported in Android 5+
        env.enable_adb_reverse_tcp(version)
        # Apply Global Proxy to device
        env.set_global_proxy(version)
        # Start Clipboard monitor
        env.start_clipmon()
        # Get Screen Resolution
        screen_width, screen_height = env.get_screen_res()
        apk_path = Path(settings.UPLD_DIR) / checksum / f'{checksum}.apk'
        # Install APK
        status, output = env.install_apk(apk_path.as_posix(), package)
        if not status:
            # Unset Proxy
            env.unset_global_proxy()
            msg = (f'This APK cannot be installed. Is this APK '
                   f'compatible the Android VM/Emulator?\n{output}')
            return print_n_send_error_response(
                request,
                msg,
                api)
        logger.info('Testing Environment is Ready!')
        context = {'screen_witdth': screen_width,
                   'screen_height': screen_height,
                   'package': package,
                   'hash': checksum,
                   'android_version': version,
                   'version': settings.MOBSF_VER,
                   'title': 'Dynamic Analyzer'}
        template = 'dynamic_analysis/android/dynamic_analyzer.html'
        if api:
            return context
        return render(request, template, context)
    except Exception:
        logger.exception('Dynamic Analyzer')
        return print_n_send_error_response(
            request,
            'Dynamic Analysis Failed.',
            api)