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7404e13 e31f9c2 7404e13 13c846c 7404e13 e31f9c2 7404e13 13c846c 7404e13 13c846c 7404e13 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | """Validation rules for registration contact details."""
import re
# Keep this intentionally small to avoid rejecting legitimate organization domains.
# These are widely used consumer email services across North America, Europe, and
# Asia. Add domains only when they are observed in registration applications.
COMMON_PERSONAL_EMAIL_DOMAINS = frozenset(
{
"126.com",
"163.com",
"aol.com",
"daum.net",
"gmail.com",
"gmx.com",
"hotmail.com",
"icloud.com",
"mail.com",
"mail.ru",
"naver.com",
"outlook.com",
"proton.me",
"protonmail.com",
"qq.com",
"rediffmail.com",
"yahoo.com",
"yandex.com",
"yandex.ru",
"zoho.com",
}
)
DOMAIN_LABEL_RE = re.compile(r"^[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?$")
ASCII_LETTER_RE = re.compile(r"[A-Za-z]")
def email_domain(email: str) -> str | None:
"""Return a normalized domain for a basic, usable email address."""
email = (email or "").strip()
if len(email) > 254 or email.count("@") != 1 or any(char.isspace() for char in email):
return None
local_part, domain = email.rsplit("@", 1)
domain = domain.rstrip(".").casefold()
if not local_part or len(local_part) > 64 or not domain or "." not in domain:
return None
try:
domain = domain.encode("idna").decode("ascii")
except UnicodeError:
return None
labels = domain.split(".")
if any(not DOMAIN_LABEL_RE.fullmatch(label) for label in labels):
return None
return domain
def uses_common_personal_email_service(email: str) -> bool:
"""Whether an address belongs to one of the blocked consumer services."""
domain = email_domain(email)
if domain is None:
return False
parts = domain.split(".")
return any(
".".join(parts[index:]) in COMMON_PERSONAL_EMAIL_DOMAINS
for index in range(len(parts) - 1)
)
def registration_contact_error(
profile_email: str,
organization: str,
) -> str | None:
"""Return a user-facing error for the OAuth-provided contact email."""
if not (organization or "").strip():
return "Organization / Affiliation is required."
if not ASCII_LETTER_RE.search(organization):
return (
"Organization / Affiliation must include an English or Romanized Latin "
"name for registration review."
)
profile_email = (profile_email or "").strip()
if email_domain(profile_email) is None:
return "Your Hugging Face account must provide a valid primary email address."
if uses_common_personal_email_service(profile_email):
return (
"Your Hugging Face primary email must be an academic, company, or "
"organization address. Addresses from common personal email services "
"are not accepted."
)
return None
|