211 lines
6.6 KiB
Python
211 lines
6.6 KiB
Python
from django.conf import settings
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from .. import Tags, Warning, register
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SECRET_KEY_MIN_LENGTH = 50
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SECRET_KEY_MIN_UNIQUE_CHARACTERS = 5
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W001 = Warning(
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"You do not have 'django.middleware.security.SecurityMiddleware' "
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"in your MIDDLEWARE so the SECURE_HSTS_SECONDS, "
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"SECURE_CONTENT_TYPE_NOSNIFF, "
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"SECURE_BROWSER_XSS_FILTER, and SECURE_SSL_REDIRECT settings "
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"will have no effect.",
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id='security.W001',
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)
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W002 = Warning(
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"You do not have "
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"'django.middleware.clickjacking.XFrameOptionsMiddleware' in your "
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"MIDDLEWARE, so your pages will not be served with an "
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"'x-frame-options' header. Unless there is a good reason for your "
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"site to be served in a frame, you should consider enabling this "
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"header to help prevent clickjacking attacks.",
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id='security.W002',
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)
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W004 = Warning(
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"You have not set a value for the SECURE_HSTS_SECONDS setting. "
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"If your entire site is served only over SSL, you may want to consider "
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"setting a value and enabling HTTP Strict Transport Security. "
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"Be sure to read the documentation first; enabling HSTS carelessly "
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"can cause serious, irreversible problems.",
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id='security.W004',
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)
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W005 = Warning(
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"You have not set the SECURE_HSTS_INCLUDE_SUBDOMAINS setting to True. "
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"Without this, your site is potentially vulnerable to attack "
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"via an insecure connection to a subdomain. Only set this to True if "
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"you are certain that all subdomains of your domain should be served "
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"exclusively via SSL.",
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id='security.W005',
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)
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W006 = Warning(
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"Your SECURE_CONTENT_TYPE_NOSNIFF setting is not set to True, "
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"so your pages will not be served with an "
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"'x-content-type-options: nosniff' header. "
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"You should consider enabling this header to prevent the "
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"browser from identifying content types incorrectly.",
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id='security.W006',
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)
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W007 = Warning(
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"Your SECURE_BROWSER_XSS_FILTER setting is not set to True, "
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"so your pages will not be served with an "
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"'x-xss-protection: 1; mode=block' header. "
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"You should consider enabling this header to activate the "
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"browser's XSS filtering and help prevent XSS attacks.",
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id='security.W007',
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)
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W008 = Warning(
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"Your SECURE_SSL_REDIRECT setting is not set to True. "
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"Unless your site should be available over both SSL and non-SSL "
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"connections, you may want to either set this setting True "
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"or configure a load balancer or reverse-proxy server "
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"to redirect all connections to HTTPS.",
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id='security.W008',
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)
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W009 = Warning(
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"Your SECRET_KEY has less than %(min_length)s characters or less than "
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"%(min_unique_chars)s unique characters. Please generate a long and random "
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"SECRET_KEY, otherwise many of Django's security-critical features will be "
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"vulnerable to attack." % {
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'min_length': SECRET_KEY_MIN_LENGTH,
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'min_unique_chars': SECRET_KEY_MIN_UNIQUE_CHARACTERS,
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},
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id='security.W009',
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)
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W018 = Warning(
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"You should not have DEBUG set to True in deployment.",
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id='security.W018',
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)
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W019 = Warning(
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"You have "
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"'django.middleware.clickjacking.XFrameOptionsMiddleware' in your "
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"MIDDLEWARE, but X_FRAME_OPTIONS is not set to 'DENY'. "
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"The default is 'SAMEORIGIN', but unless there is a good reason for "
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"your site to serve other parts of itself in a frame, you should "
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"change it to 'DENY'.",
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id='security.W019',
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)
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W020 = Warning(
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"ALLOWED_HOSTS must not be empty in deployment.",
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id='security.W020',
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)
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W021 = Warning(
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"You have not set the SECURE_HSTS_PRELOAD setting to True. Without this, "
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"your site cannot be submitted to the browser preload list.",
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id='security.W021',
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)
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def _security_middleware():
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return 'django.middleware.security.SecurityMiddleware' in settings.MIDDLEWARE
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def _xframe_middleware():
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return 'django.middleware.clickjacking.XFrameOptionsMiddleware' in settings.MIDDLEWARE
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@register(Tags.security, deploy=True)
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def check_security_middleware(app_configs, **kwargs):
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passed_check = _security_middleware()
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return [] if passed_check else [W001]
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@register(Tags.security, deploy=True)
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def check_xframe_options_middleware(app_configs, **kwargs):
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passed_check = _xframe_middleware()
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return [] if passed_check else [W002]
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@register(Tags.security, deploy=True)
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def check_sts(app_configs, **kwargs):
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passed_check = not _security_middleware() or settings.SECURE_HSTS_SECONDS
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return [] if passed_check else [W004]
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@register(Tags.security, deploy=True)
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def check_sts_include_subdomains(app_configs, **kwargs):
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passed_check = (
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not _security_middleware() or
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not settings.SECURE_HSTS_SECONDS or
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settings.SECURE_HSTS_INCLUDE_SUBDOMAINS is True
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)
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return [] if passed_check else [W005]
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@register(Tags.security, deploy=True)
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def check_sts_preload(app_configs, **kwargs):
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passed_check = (
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not _security_middleware() or
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not settings.SECURE_HSTS_SECONDS or
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settings.SECURE_HSTS_PRELOAD is True
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)
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return [] if passed_check else [W021]
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@register(Tags.security, deploy=True)
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def check_content_type_nosniff(app_configs, **kwargs):
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passed_check = (
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not _security_middleware() or
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settings.SECURE_CONTENT_TYPE_NOSNIFF is True
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)
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return [] if passed_check else [W006]
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@register(Tags.security, deploy=True)
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def check_xss_filter(app_configs, **kwargs):
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passed_check = (
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not _security_middleware() or
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settings.SECURE_BROWSER_XSS_FILTER is True
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)
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return [] if passed_check else [W007]
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@register(Tags.security, deploy=True)
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def check_ssl_redirect(app_configs, **kwargs):
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passed_check = (
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not _security_middleware() or
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settings.SECURE_SSL_REDIRECT is True
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)
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return [] if passed_check else [W008]
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@register(Tags.security, deploy=True)
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def check_secret_key(app_configs, **kwargs):
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passed_check = (
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getattr(settings, 'SECRET_KEY', None) and
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len(set(settings.SECRET_KEY)) >= SECRET_KEY_MIN_UNIQUE_CHARACTERS and
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len(settings.SECRET_KEY) >= SECRET_KEY_MIN_LENGTH
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)
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return [] if passed_check else [W009]
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@register(Tags.security, deploy=True)
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def check_debug(app_configs, **kwargs):
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passed_check = not settings.DEBUG
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return [] if passed_check else [W018]
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@register(Tags.security, deploy=True)
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def check_xframe_deny(app_configs, **kwargs):
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passed_check = (
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not _xframe_middleware() or
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settings.X_FRAME_OPTIONS == 'DENY'
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)
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return [] if passed_check else [W019]
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@register(Tags.security, deploy=True)
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def check_allowed_hosts(app_configs, **kwargs):
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return [] if settings.ALLOWED_HOSTS else [W020]
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