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Sanitize alias, contacts, mailboxes and users before creating them
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,38 @@ | ||
from email_validator import ( | ||
validate_email, | ||
EmailNotValidError, | ||
) | ||
|
||
from app.utils import convert_to_id | ||
|
||
# allow also + and @ that are present in a reply address | ||
_ALLOWED_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-.+@" | ||
|
||
|
||
def is_valid_email(email_address: str) -> bool: | ||
""" | ||
Used to check whether an email address is valid | ||
NOT run MX check. | ||
NOT allow unicode. | ||
""" | ||
try: | ||
validate_email(email_address, check_deliverability=False, allow_smtputf8=False) | ||
return True | ||
except EmailNotValidError: | ||
return False | ||
|
||
|
||
def normalize_reply_email(reply_email: str) -> str: | ||
"""Handle the case where reply email contains *strange* char that was wrongly generated in the past""" | ||
if not reply_email.isascii(): | ||
reply_email = convert_to_id(reply_email) | ||
|
||
ret = [] | ||
# drop all control characters like shift, separator, etc | ||
for c in reply_email: | ||
if c not in _ALLOWED_CHARS: | ||
ret.append("_") | ||
else: | ||
ret.append(c) | ||
|
||
return "".join(ret) |
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