splunk-security_content/contentctl.py

import sys
import argparse
import os

from bin.contentctl_project.contentctl_core.domain.entities.link_validator import LinkValidator

sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), 'bin/contentctl_project')))

from bin.contentctl_project.contentctl_core.application.use_cases.content_changer import ContentChanger, ContentChangerInputDto
from bin.contentctl_project.contentctl_core.application.use_cases.generate import GenerateInputDto, Generate
from bin.contentctl_project.contentctl_core.application.use_cases.validate import ValidateInputDto, Validate
from bin.contentctl_project.contentctl_core.application.use_cases.doc_gen import DocGenInputDto, DocGen
from bin.contentctl_project.contentctl_core.application.use_cases.new_content import NewContentInputDto, NewContent, NewAttackDataContent
from bin.contentctl_project.contentctl_core.application.use_cases.reporting import ReportingInputDto, Reporting
from bin.contentctl_project.contentctl_core.application.factory.factory import FactoryInputDto
from bin.contentctl_project.contentctl_core.application.factory.ba_factory import BAFactoryInputDto
from bin.contentctl_project.contentctl_core.application.factory.new_content_factory import NewContentFactoryInputDto
from bin.contentctl_project.contentctl_core.application.factory.object_factory import ObjectFactoryInputDto
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_object_builder import SecurityContentObjectBuilder
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_director import SecurityContentDirector
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_yml_adapter import ObjToYmlAdapter
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_json_adapter import ObjToJsonAdapter
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_story_builder import SecurityContentStoryBuilder
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_detection_builder import SecurityContentDetectionBuilder
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_basic_builder import SecurityContentBasicBuilder
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_investigation_builder import SecurityContentInvestigationBuilder
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_baseline_builder import SecurityContentBaselineBuilder
from bin.contentctl_project.contentctl_infrastructure.builder.security_content_playbook_builder import SecurityContentPlaybookBuilder
from bin.contentctl_project.contentctl_core.domain.entities.enums.enums import SecurityContentProduct
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_conf_adapter import ObjToConfAdapter
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_md_adapter import ObjToMdAdapter
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_svg_adapter import ObjToSvgAdapter
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_attack_nav_adapter import ObjToAttackNavAdapter
from bin.contentctl_project.contentctl_infrastructure.builder.attack_enrichment import AttackEnrichment
from bin.contentctl_project.contentctl_core.domain.entities.enums.enums import SecurityContentType
from bin.contentctl_project.contentctl_infrastructure.adapter.obj_to_attackdata_yml_adapter import ObjToAttackDataYmlAdapter

def init():

    print("""
Running Splunk Security Content Control Tool (contentctl) 
starting program loaded for TIE Fighter...
      _                                            _
     T T                                          T T
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                   ____                   | |
     | |            ___.r-"`--'"-r.____           | |
     | |.-._,.,---~"_/_/  .----.  \_\_"~---,.,_,-.| |
     | ]|.[_]_ T~T[_.-Y  / \  / \  Y-._]T~T _[_].|| |
    [|-+[  ___]| [__  |-=[--()--]=-|  __] |[___  ]+-|]
     | ]|"[_]  l_j[_"-l  \ /  \ /  !-"_]l_j  [_]~|| |
     | |`-' "~"---.,_\\"\  "o--o"  /"/_,.---"~" `-'| |
     | |             ~~"^-.____.-^"~~             | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     | |                                          | |
     l_i                                          l_j -Row

    """)


def content_changer(args) -> None:
    factory_input_dto = ObjectFactoryInputDto(
        os.path.abspath(args.path),
        SecurityContentObjectBuilder(),
        SecurityContentDirector()
    )

    input_dto = ContentChangerInputDto(
        ObjToYmlAdapter(args.path),
        factory_input_dto,
        args.change_function
    )

    content_changer = ContentChanger()
    content_changer.execute(input_dto)


def generate(args) -> None:
    if not args.product:
        print("ERROR: missing parameter -p/--product .")
        sys.exit(1)     

    if args.product not in ['ESCU', 'SSA', 'API']:
        print("ERROR: invalid product. valid products are ESCU, SSA or API.")
        sys.exit(1)


    if args.cached_and_offline:
        LinkValidator.initialize_cache(args.cached_and_offline)

    #Save runtime by only generating the required factory inputs
    factory_input_dto = None
    ba_factory_input_dto = None
    if args.product in ["ESCU", "API"]:
        factory_input_dto = FactoryInputDto(
            os.path.abspath(args.path),
            SecurityContentBasicBuilder(),
            SecurityContentDetectionBuilder(force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment),
            SecurityContentStoryBuilder(),
            SecurityContentBaselineBuilder(),
            SecurityContentInvestigationBuilder(),
            SecurityContentPlaybookBuilder(input_path=args.path),
            SecurityContentDirector(),
            AttackEnrichment.get_attack_lookup(args.path, force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment)
        )
    if args.product in ["SSA", "API"]:
        ba_factory_input_dto = BAFactoryInputDto(
            os.path.abspath(args.path),
            SecurityContentBasicBuilder(),
            SecurityContentDetectionBuilder(force_cached_or_offline = args.cached_and_offline, skip_enrichment=args.skip_enrichment),
            SecurityContentDirector()
        )


    if args.product == "ESCU":
        generate_input_dto = GenerateInputDto(
            os.path.abspath(args.output),
            factory_input_dto,
            ba_factory_input_dto,
            ObjToConfAdapter(args.path),
            SecurityContentProduct.ESCU
        )
    elif args.product == "API":
        generate_input_dto = GenerateInputDto(
            os.path.abspath(args.output),
            factory_input_dto,
            ba_factory_input_dto,
            ObjToJsonAdapter(),
            SecurityContentProduct.API
        )
    else:
        print("making dto")
        generate_input_dto = GenerateInputDto(
            os.path.abspath(args.output),
            factory_input_dto,
            ba_factory_input_dto,
            ObjToYmlAdapter(args.path),
            SecurityContentProduct.SSA
        ) 
    generate = Generate()
    generate.execute(generate_input_dto)

    if args.cached_and_offline:
        LinkValidator.close_cache()

def validate(args) -> None:
    if not args.product:
        print("ERROR: missing parameter -p/--product .")
        sys.exit(1)     

    if args.product not in ['ESCU', 'SSA', 'all']:
        print("ERROR: invalid product. valid products are all, ESCU or SSA.")
        sys.exit(1)

    if args.cached_and_offline:
        LinkValidator.initialize_cache(args.cached_and_offline)

    #Save runtime by only generating the required factory inputs
    factory_input_dto = None
    ba_factory_input_dto = None
    if args.product in ["ESCU", "all"]:
        factory_input_dto = FactoryInputDto(
            os.path.abspath(args.path),
            SecurityContentBasicBuilder(),
            SecurityContentDetectionBuilder(force_cached_or_offline=args.cached_and_offline, check_references=args.check_references, skip_enrichment=args.skip_enrichment),
            SecurityContentStoryBuilder(check_references=args.check_references),
            SecurityContentBaselineBuilder(check_references=args.check_references),
            SecurityContentInvestigationBuilder(check_references=args.check_references),
            SecurityContentPlaybookBuilder(input_path=args.path, check_references=args.check_references),
            SecurityContentDirector(),
            AttackEnrichment.get_attack_lookup(args.path, force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment)
        )
    if args.product in ["SSA", "all"]:
        ba_factory_input_dto = BAFactoryInputDto(
            os.path.abspath(args.path),
            SecurityContentBasicBuilder(),
            SecurityContentDetectionBuilder(force_cached_or_offline = args.cached_and_offline, check_references=args.check_references, skip_enrichment=args.skip_enrichment),
            SecurityContentDirector()
        )
    
    if args.product == "ESCU" or args.product == "all":
        validate_input_dto = ValidateInputDto(
            factory_input_dto,
            ba_factory_input_dto,
            SecurityContentProduct.ESCU
        )
        validate = Validate()
        validate.execute(validate_input_dto)

    if args.product == "SSA" or args.product == "all":
        validate_input_dto = ValidateInputDto(
            factory_input_dto,
            ba_factory_input_dto,
            SecurityContentProduct.SSA
        )
        validate = Validate()
        validate.execute(validate_input_dto)

    if args.cached_and_offline:
        LinkValidator.close_cache()


def doc_gen(args) -> None:
    factory_input_dto = FactoryInputDto(
        os.path.abspath(args.path),
        SecurityContentBasicBuilder(),
        SecurityContentDetectionBuilder(force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment),
        SecurityContentStoryBuilder(),
        SecurityContentBaselineBuilder(),
        SecurityContentInvestigationBuilder(),
        SecurityContentPlaybookBuilder(input_path=args.path),
        SecurityContentDirector(),
        AttackEnrichment.get_attack_lookup(args.path, force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment)
    )

    doc_gen_input_dto = DocGenInputDto(
        os.path.abspath(args.output),
        factory_input_dto,
        ObjToMdAdapter()
    )

    doc_gen = DocGen()
    doc_gen.execute(doc_gen_input_dto)


def new_content(args) -> None:
    if args.type == 'detection':
        contentType = SecurityContentType.detections
    elif args.type == 'story':
        contentType = SecurityContentType.stories
    elif args.type == 'attack_data':
        contentType = SecurityContentType.attack_data
    else:
        print("ERROR: type " + args.type + " not supported")
        sys.exit(1)

    new_content_factory_input_dto = NewContentFactoryInputDto(contentType)
    if args.type == 'attack_data':
        new_content_input_dto = NewContentInputDto(new_content_factory_input_dto, ObjToAttackDataYmlAdapter())
        new_content = NewAttackDataContent()
    else:
        new_content_input_dto = NewContentInputDto(new_content_factory_input_dto, ObjToYmlAdapter(args.path))
        new_content = NewContent()
    new_content.execute(new_content_input_dto)


def reporting(args) -> None:
    factory_input_dto = FactoryInputDto(
        os.path.abspath(args.path),
        SecurityContentBasicBuilder(),
        SecurityContentDetectionBuilder(force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment),
        SecurityContentStoryBuilder(),
        SecurityContentBaselineBuilder(),
        SecurityContentInvestigationBuilder(),
        SecurityContentPlaybookBuilder(input_path=args.path),
        SecurityContentDirector(),
        AttackEnrichment.get_attack_lookup(args.path, force_cached_or_offline=args.cached_and_offline, skip_enrichment=args.skip_enrichment)
    )

    reporting_input_dto = ReportingInputDto(
        factory_input_dto,
        ObjToSvgAdapter(),
        ObjToAttackNavAdapter()
    )

    reporting = Reporting()
    reporting.execute(reporting_input_dto)


def main(args):

    init()

    # grab arguments
    parser = argparse.ArgumentParser(
        description="Use `contentctl.py action -h` to get help with any Splunk Security Content action")
    parser.add_argument("-p", "--path", required=True, 
                                        help="path to the Splunk Security Content folder",)
    parser.add_argument("--cached_and_offline", action=argparse.BooleanOptionalAction,
        help="Force cached/offline resources.  While this makes execution much faster, it may result in enrichment which is out of date. This is suitable for use only in development or disconnected environments.")
    parser.add_argument("--skip_enrichment", action=argparse.BooleanOptionalAction,
        help="Skip enrichment of CVEs.  This can significantly decrease the amount of time needed to run content_ctl.")

    parser.set_defaults(cached_and_offline=False, func=lambda _: parser.print_help())

    actions_parser = parser.add_subparsers(title="Splunk Security Content actions", dest="action")
    #new_parser = actions_parser.add_parser("new", help="Create new content (detection, story, baseline)")
    validate_parser = actions_parser.add_parser("validate", help="Validates written content")
    generate_parser = actions_parser.add_parser("generate", help="Generates a deployment package for different platforms (splunk_app)")
    content_changer_parser = actions_parser.add_parser("content_changer", help="Change Security Content based on defined rules")
    docgen_parser = actions_parser.add_parser("docgen", help="Generates documentation")
    new_content_parser = actions_parser.add_parser("new_content", help="Create new security content object")
    reporting_parser = actions_parser.add_parser("reporting", help="Create security content reporting")


    

    # # new arguments
    # new_parser.add_argument("-t", "--type", required=False, type=str, default="detection",
    #                              help="Type of new content to create, please choose between `detection`, `baseline` or `story`. Defaults to `detection`")
    # new_parser.add_argument("-x", "--example_only", required=False, action='store_true',
    #                              help="Generates an example content UPDATE on the fields that need updating. Use `git status` to see what specific files are added. Skips new content wizard prompts.")
    # new_parser.set_defaults(func=new)

    validate_parser.add_argument("-pr", "--product", required=True, type=str, default='all', 
        help="Type of package to create, choose between all, `ESCU` or `SSA`.")
    validate_parser.add_argument('--check_references', action=argparse.BooleanOptionalAction, help="The number of threads to use to resolve references.  "
                                   "Larger numbers will result in faster resolution, but will be more likely to hit rate limits or use a large amount of "
                                   "bandwidth.  A larger number of threads is particularly useful on high-bandwidth connections, but does not improve "
                                   "performance on slow connections.")
    
    validate_parser.set_defaults(func=validate, check_references=False, epilog="""
                Validates security manifest for correctness, adhering to spec and other common items.""")

    generate_parser.add_argument("-o", "--output", required=True, type=str,
        help="Path where to store the deployment package")
    generate_parser.add_argument("-pr", "--product", required=True, type=str,
        help="Type of package to create, choose between `ESCU`, `SSA` or `API`.")
    generate_parser.set_defaults(func=generate)
    
    content_changer_choices = ContentChanger.enumerate_content_changer_functions()
    content_changer_parser.add_argument("-cf", "--change_function", required=True, metavar='{ ' + ', '.join(content_changer_choices) +' }' , type=str, choices=content_changer_choices, 
                                        help= "Choose from the functions above defined in \nbin/contentctl_core/contentctl/application/use_cases/content_changer.py")
    
    content_changer_parser.set_defaults(func=content_changer)

    docgen_parser.add_argument("-o", "--output", required=True, type=str,
        help="Path where to store the documentation")
    docgen_parser.set_defaults(func=doc_gen)

    new_content_parser.add_argument("-t", "--type", required=True, type=str,
        help="Type of security content object, choose between `detection`, `story`")
    new_content_parser.set_defaults(func=new_content)

    reporting_parser.set_defaults(func=reporting)

    
    
    

    # # parse them
    args = parser.parse_args()
    return args.func(args)


if __name__ == "__main__":
    main(sys.argv[1:])