code/domain_list.py

"""
Problematic domain list and lookup functions.
Used by fineweb_edu_audit.py to flag documents from known misinformation sources.
"""

PROBLEMATIC_DOMAINS = {
    # --- Holocaust denial / historical revisionism ---
    "holocaust_denial": [
        "codoh.com",             # Committee for Open Debate on the Holocaust
        "ihr.org",               # Institute for Historical Review
        "holocausthandbooks.com",
        "inconvenienthistory.com",
        "vho.org",               # Vrij Historisch Onderzoek
        "holocaustdeprogrammingcourse.com",
        "holocaustianity.com",
        "thetruthseeker.co.uk",
    ],

    # --- Anti-vaccine / medical misinformation ---
    "antivax_medical_misinfo": [
        "naturalnews.com",
        "mercola.com",
        "articles.mercola.com",
        "greenmedinfo.com",
        "vaccinationinformationnetwork.com",
        "ageofautism.com",
        "thinktwice.com",
        "nvic.org",              # National Vaccine Information Center
        "learntherisk.org",
        "childrenshealthdefense.org",
        "globalresearch.ca",     # Centre for Research on Globalization
        "healthimpactnews.com",
        "wakingtimes.com",
        "collective-evolution.com",
        "healthnutnews.com",
        "preventdisease.com",
        "realfarmacy.com",
        "naturalsociety.com",    # natural health misinformation, anti-vax adjacent
        "fluoridealert.org",     # Fluoride Action Network — anti-fluoride pseudoscience
        "drweil.com",            # alternative medicine
    ],

    # --- Climate denial ---
    "climate_denial": [
        "wattsupwiththat.com",
        "climatedepot.com",
        "co2science.org",
        "heartland.org",
        "cfact.org",
        "climatechangedispatch.com",
        "joannenova.com.au",
        "notrickszone.com",
        "principia-scientific.com",
        "climaterealists.com",
        "drroyspencer.com",
        "conservapedia.com",     # climate denial, creationism, anti-evolution
        "heritage.org",          # Heritage Foundation — climate denial think tank
        "ncpa.org",              # National Center for Policy Analysis — climate skepticism
        "wind-watch.org",        # National Wind Watch — anti-renewable energy misinformation
    ],

    # --- Conspiracy theories ---
    "conspiracy": [
        "infowars.com",
        "prisonplanet.com",
        "davidicke.com",
        "abovetopsecret.com",
        "beforeitsnews.com",
        "zerohedge.com",
        "vigilantcitizen.com",
        "henrymakow.com",
        "rense.com",
        "rumormillnews.com",
        "whatreallyhappened.com",
        "activistpost.com",
        "21stcenturywire.com",
        "thecommonsenseshow.com",
        "freerepublic.com",      # far-right forum, conspiracy theories
        "wnd.com",               # WorldNetDaily — far-right conspiracy site
        "unknowncountry.com",    # Whitley Strieber — UFO/paranormal
    ],

    # --- Pseudoscience ---
    "pseudoscience": [
        "spiritscience.net",
        "gaia.com",
        "in5d.com",
        "themindunleashed.com",
        "ancient-origins.net",    # mixed, but heavy pseudoarchaeology
        "grahamhancock.com",
        "bibliotecapleyades.net",
        "crystalinks.com",
        "ascensionglossary.com",
        "divinecosmos.com",
        "icr.org",                # Institute for Creation Research
        "answersingenesis.org",   # Answers in Genesis (Ken Ham)
        "creation.com",           # Creation Ministries International
        "realmagick.com",         # occult/magic content
        "sacred-texts.com",       # mixes legitimate texts with occult/esoteric
        "harunyahya.com",         # Adnan Oktar — Islamic creationism
        "uncommondescent.com",    # Intelligent Design blog
        "evolutionnews.org",      # Discovery Institute — Intelligent Design propaganda
        "crev.info",              # Creation-Evolution Headlines — young earth creationism
        "reasons.org",            # Reasons to Believe — old earth creationism
        "mysteriousuniverse.org", # paranormal/UFO/pseudoscience
        "speakingtree.in",        # spiritual/new age content
        "earth-chronicles.com",   # ancient aliens / pseudoarchaeology
    ],

    # --- White supremacist / hate ---
    "hate_extremism": [
        "stormfront.org",
        "amren.com",             # American Renaissance
        "vdare.com",
        "counter-currents.com",
        "theoccidentalobserver.net",
        "radixjournal.com",
        "unz.com",               # The Unz Review
        "takimag.com",
        "infogalactic.com",      # alt-right Wikipedia fork (Vox Day)
        "breitbart.com",         # far-right propaganda
    ],

    # --- Propaganda / state-sponsored disinfo ---
    "propaganda": [
        "rt.com",
        "sputniknews.com",
        "presstv.ir",
        "mintpressnews.com",
        "thegrayzone.com",
        "southfront.press",
        "strategic-culture.su",
        "journal-neo.su",
        "rbth.com",              # Russia Beyond the Headlines — Russian state media
        "newsmax.com",           # right-wing misinformation, election fraud claims
    ],
}

# Flatten for quick lookup
DOMAIN_TO_CATEGORY = {}
for category, domains in PROBLEMATIC_DOMAINS.items():
    for domain in domains:
        DOMAIN_TO_CATEGORY[domain] = category


def check_domain(domain):
    """Check if a domain or any parent domain is in our problematic list."""
    if domain in DOMAIN_TO_CATEGORY:
        return DOMAIN_TO_CATEGORY[domain]

    parts = domain.split(".")
    for i in range(1, len(parts)):
        parent = ".".join(parts[i:])
        if parent in DOMAIN_TO_CATEGORY:
            return DOMAIN_TO_CATEGORY[parent]

    return None