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require 'email'
class LocalEmail < Email
BLACKLIST_FROM_RFC2142 = [
'postmaster', 'hostmaster', 'domainadmin', 'webmaster', 'www',
'abuse', 'noc', 'security', 'usenet', 'news', 'uucp',
'ftp', 'sales', 'marketing', 'support', 'info'
]
def self.domain
APP_CONFIG[:domain]
end
validates :email,
:format => {
:with => /@#{domain}\Z/i,
:message => "needs to end in @#{domain}"
}
validate :handle_allowed
def initialize(s)
super
append_domain_if_needed
end
def to_key
[handle]
end
def domain
LocalEmail.domain
end
protected
def append_domain_if_needed
unless self.index('@')
self << '@' + domain
end
end
def handle_allowed
errors.add(:handle, "is reserved.") if handle_reserved?
end
def handle_reserved?
# *ARRAY in a case statement tests if ARRAY includes the handle.
case handle
when *APP_CONFIG[:handle_blacklist]
true
when *APP_CONFIG[:handle_whitelist]
false
when *BLACKLIST_FROM_RFC2142
true
else
handle_in_passwd?
end
end
def handle_in_passwd?
Etc.getpwnam(handle).present?
rescue ArgumentError
# handle was not found
return false
end
end
|
