Exemple #1
0
def get_package_bean_v2(stix_file_path):
    try:
        with codecs.open(stix_file_path, 'r', encoding='utf-8') as fp:
            content = fp.read()
        doc = json.loads(content)
        package_bean = StixFiles.PackageBean()
        package_bean.package_id = doc['id']
        if ('spec_version' in doc):
            package_bean.version = doc['spec_version']
        else:
            package_bean.version = '2.1'

        stip_sns = _is_produced_by_stip_sns_v2(doc)
        package_bean.related_packages = None
        produced_str = None
        if stip_sns:
            package_bean.package_name = stip_sns['name']
            package_bean.description = stip_sns['description']
            package_bean.is_created_by_sns = True
            package_bean.sns_type = _get_stip_sns_type_v2(stip_sns)
            if package_bean.sns_type != StixFiles.STIP_SNS_TYPE_V2_POST:
                package_bean.is_post_sns = False
            package_bean.related_packages = []
            if const.STIP_STIX2_PROP_OBJECT_REF in stip_sns:
                package_bean.related_packages.append(stip_sns[const.STIP_STIX2_PROP_OBJECT_REF])
            if const.STIP_STIX2_PROP_ATTACHMENT_REFS in stip_sns:
                for ref in stip_sns[const.STIP_STIX2_PROP_ATTACHMENT_REFS]:
                    package_bean.related_packages.append(ref['bundle'])
            if len(package_bean.related_packages) == 0:
                package_bean.related_packages = None
            produced_str = stip_sns['created']
        else:
            package_bean.package_name = None
            package_bean.description = None
            report = _get_report_object(doc)
            if report:
                package_bean.package_name = report['name']
                if 'description' in report:
                    package_bean.description = report['description']
                produced_str = report['created']
            if not package_bean.package_name:
                package_bean.package_name = package_bean.package_id
            if not package_bean.description:
                package_bean.description = 'Post: %s' % (package_bean.package_id)
            package_bean.is_created_by_sns = False
            package_bean.is_post_sns = True
        _set_stix_bean_from_doc_v2(package_bean, doc)
        if produced_str:
            package_bean.produced = stix2_str_to_datetime(produced_str)
        else:
            package_bean.produced = datetime.datetime.now(tz=pytz.utc)
        return package_bean
    except Exception as e:
        raise Exception('Can\'t parse STIX. ' + e.message)
Exemple #2
0
def get_package_bean_v1(stix_file_path):
    doc = STIXPackage.from_xml(stix_file_path)
    try:
        package_bean = StixFiles.PackageBean()
        package_bean.is_post_sns = True
        package_bean.is_created_by_sns = False
        sns_type = None
        if _is_produced_by_stip_sns_v1(doc):
            package_bean.is_created_by_sns = True
            sns_type = _get_stip_sns_type_v1(doc)
            if sns_type != StixFiles.STIP_SNS_TYPE_ORIGIN:
                package_bean.is_post_sns = False
        try:
            package_bean.related_packages = []
            for related_package in doc.related_packages:
                package_bean.related_packages.append(related_package.item.id_)
        except TypeError:
            package_bean.related_packages = None
        package_bean.package_id = doc.id_
        package_bean.version = doc._version
        package_bean.produced = _get_produced_time_stix_1_x(doc)
        package_bean.package_name = doc.stix_header.title
        package_bean.sns_type = sns_type
        try:
            package_bean.description = doc.stix_header.description.value
            if package_bean.description is None:
                package_bean.description = ''
        except BaseException:
            package_bean.description = ''
        _set_stix_bean_from_doc_v1(package_bean, doc)
        if package_bean.sns_user_name == '':
            package_bean.sns_user_name = _get_sns_user_name_from_instance(
                package_bean.sns_instance)
        return package_bean
    except Exception:
        pass
Exemple #3
0
def get_package_bean(stix_file_path):
    package_bean = StixFiles.PackageBean()
    #STIX 1.1 parse
    try:
        doc = STIXPackage.from_xml(stix_file_path)
        package_bean.is_post_sns = True
        package_bean.is_created_by_sns = False
        sns_type = None
        #S-TIP SNS で作成された STIX であるか?
        if is_produced_by_stip_sns(doc) == True:
            #SNS 産である
            package_bean.is_created_by_sns = True
            sns_type = get_stip_sns_type(doc)
            #origin 投稿以外は表示しない
            if sns_type != StixFiles.STIP_SNS_TYPE_ORIGIN:
                package_bean.is_post_sns = False
        #realted_packages探す
        try:
            package_bean.related_packages = []
            for related_package in doc.related_packages:
                package_bean.related_packages.append(related_package.item.id_)
        except TypeError:
            package_bean.related_packages = None
        package_bean.package_id = doc.id_
        package_bean.version = doc._version
        package_bean.produced = get_produced_time_stix_1_x(doc)
        package_bean.package_name = doc.stix_header.title
        package_bean.sns_type = sns_type
        try:
            package_bean.description = doc.stix_header.description.value
            if package_bean.description is None:
                package_bean.description = ''
        except:
            package_bean.description = ''
        #S-TIP SNS 作成の STIX から pacakge_bean の値をセットする
        set_stix_bean_from_doc(package_bean, doc)
        #SNS 産以外は sns_user_name が設定されていないので instance 名から取得する
        if package_bean.sns_user_name == '':
            package_bean.sns_user_name = get_sns_user_name_from_instance(
                package_bean.sns_instance)
        return package_bean
    except Exception:
        pass

    #STIX 2.0 parse
    try:
        with codecs.open(stix_file_path, 'r', 'utf-8') as fp:
            content = fp.read()
        doc = json.loads(content)
        package_bean.package_name = None
        #最初に見つかったtypeがreportのnameをpackage_nameとする
        #また、STIX 2.0 では package の timestampの格納場所がないのでNoneとする
        produced_str = None
        for d in doc['objects']:
            if d['type'] == 'report':
                package_bean.package_name = d['name']
                produced_str = d['created']
        package_bean.package_id = doc['id']
        if doc.has_key('spec_version') == True:
            package_bean.version = doc['spec_version']
        else:
            #STIX 2.1 には spec_version がない
            package_bean.version = '2.1'
        #Produced Time は Report の produced time
        if produced_str is not None:
            package_bean.produced = stix2_str_to_datetime(produced_str)
        else:
            package_bean.produced = datetime.datetime.now()
        package_bean.is_post_sns = True
        package_bean.is_created_by_sns = False
        package_bean.related_packages = None
        return package_bean

    except Exception as e:
        traceback.print_exc()
        raise Exception('Can\'t parse STIX. ' + e.message)