lemoncurry/lemoncurry/settings/base.py

"""
Django settings for lemoncurry project.

Generated by 'django-admin startproject' using Django 1.11.6.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/ref/settings/
"""

import os
import re


# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '6riil57g@r^wprf7mdy((+bs&(6l*phcn9&fd$l0@t-kzj+xww'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []

# Settings to tighten up security - these can safely be on in dev mode too,
# since I dev using a local HTTPS server.

# Strict-Transport-Security: max out everything, we never want to serve
# anything over insecure HTTP.
SECURE_HSTS_SECONDS = 31536000
SECURE_HSTS_INCLUDE_SUBDOMAINS = True
SECURE_HSTS_PRELOAD = True

# Only allow cookies to be sent from the client over secure HTTP.
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True

# Miscellanous headers to protect against attacks.
SECURE_CONTENT_TYPE_NOSNIFF = True
SECURE_BROWSER_XSS_FILTER = True
X_FRAME_OPTIONS = 'DENY'

# This technically isn't needed, since nginx doesn't let the app be accessed
# over insecure HTTP anyway. Just for completeness!
SECURE_SSL_REDIRECT = True

# We run behind nginx, so we need nginx to tell us whether we're using HTTPS or
# not.
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.humanize',
    'django.contrib.sessions',
    'django.contrib.sitemaps',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    'compressor',
    'django_activeurl',
    'django_agent_trust',
    'django_otp',
    'django_otp.plugins.otp_totp',
    'favicon',
    'markdown_deux',
    'meta',

    'lemoncurry',
    'entries',
    'home',
    'lemonauth',
    'users',
    'wellknowns',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django_otp.middleware.OTPMiddleware',
    'django_agent_trust.middleware.AgentMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'lemoncurry.urls'

SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'lemoncurry.wsgi.application'

# Cache
# https://docs.djangoproject.com/en/1.11/ref/settings/#std:setting-CACHES

CACHES = {
    'default': {
        'BACKEND': 'redis_cache.RedisCache',
        'LOCATION': '127.0.0.1:6380',
    }
}

# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


AUTH_USER_MODEL = 'users.User'

# Password validation
# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

LOGIN_URL = 'lemonauth:login'
LOGIN_REDIRECT_URL = 'home:index'
LOGOUT_REDIRECT_URL = LOGIN_REDIRECT_URL


# Internationalization
# https://docs.djangoproject.com/en/1.11/topics/i18n/

LANGUAGE_CODE = 'en-au'

TIME_ZONE = 'Australia/Sydney'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.11/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static')
STATICFILES_FINDERS = (
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
    'compressor.finders.CompressorFinder',
)

COMPRESS_PRECOMPILERS = (
    ('text/stylus', os.path.join(BASE_DIR, 'node_modules', '.bin', 'stylus') + ' {infile} -o {outfile}'),
)

MEDIA_URL = STATIC_URL + 'media/'
MEDIA_ROOT = os.path.join(STATIC_ROOT, 'media')


# Settings specific to lemoncurry
LEMONCURRY_SITE_NAME = '00dani.me'

# django-agent-trust
# https://pythonhosted.org/django-agent-trust/
AGENT_COOKIE_SECURE = True

# django-otp
# https://django-otp-official.readthedocs.io/en/latest/overview.html
OTP_TOTP_ISSUER = LEMONCURRY_SITE_NAME


# django-markdown-deux
# https://github.com/trentm/django-markdown-deux
def copy_update(source_dict, **kwargs):
    copy = source_dict.copy()
    copy.update(**kwargs)
    return copy


link_patterns = [(re.compile(pat), rep) for (pat, rep) in (
    # autolink actual URLs in text
    (
        r'((([A-Za-z]{3,9}:(?:\/\/)?)' +  # scheme
        r'(?:[\-;:&=\+\$,\w]+@)?' +  # basic auth
        r'[A-Za-z0-9\.\-]+(:[0-9]+)?' +  # ip address
        r'|(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)' +  # or hostname
        r'((?:\/[\+~%\/\.\w\-_]*)?\??(?:[\-\+=&;%@\.\w_]*)' +  # path
        r'#?(?:[\.\!\/\\\w]*))?)',  # hash
        r'\1'
    ),
)]


MARKDOWN_DEUX_DEFAULT_STYLE = {
    'extras': (
        'code-friendly',
        'cuddled-lists',
        'fenced-code-blocks',
        'footnotes',
        'header-ids',
        'spoiler',
        'tag-friendly',
    ),
    'link_patterns': link_patterns,
    'safe_mode': 'escape',
}

MARKDOWN_DEUX_STYLES = {
    'default': MARKDOWN_DEUX_DEFAULT_STYLE,
    'trusted': copy_update(
        MARKDOWN_DEUX_DEFAULT_STYLE,
        link_patterns=[],
        safe_mode=False,
    ),
}

# django-meta
# https://django-meta.readthedocs.io/en/latest/settings.html
META_SITE_PROTOCOL = 'https'
META_SITE_NAME = LEMONCURRY_SITE_NAME
META_USE_OG_PROPERTIES = True
META_USE_TWITTER_PROPERTIES = True