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[Issue #1159] Remove any +tag name in email alias before checking privileges (#1181)

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* [Issue #1159] Remove any +tag name in email alias before checking privileges

* Move priprivileged email check after the conversion to unicode so only IDNA serves as input
This commit is contained in:
Git Repository 2017-07-21 08:10:16 -07:00 committed by Joshua Tauberer
parent 78f2fe213e
commit 19a928e4ec
1 changed files with 3 additions and 1 deletions
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4
management/mailconfig.py
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@ -435,9 +435,11 @@ def add_mail_alias(address, forwards_to, permitted_senders, env, update_if_exist
email = email.strip()
if email == "": continue
email = sanitize_idn_email_address(email) # Unicode => IDNA
# Strip any +tag from email alias and check privileges
privileged_email = re.sub(r"(?=\+)[^@]*(?=@)",'',email)
if not validate_email(email):
return ("Invalid receiver email address (%s)." % email, 400)
if is_dcv_source and not is_dcv_address(email) and "admin" not in get_mail_user_privileges(email, env, empty_on_error=True):
if is_dcv_source and not is_dcv_address(email) and "admin" not in get_mail_user_privileges(privileged_email, env, empty_on_error=True):
# Make domain control validation hijacking a little harder to mess up by
# requiring aliases for email addresses typically used in DCV to forward
# only to accounts that are administrators on this system.