Module: DataMapper::Validations::Format::Email

Included in:

DataMapper::Validations::FormatValidator

Defined in:

lib/dm-validations/formats/email.rb

Constant Summary

EmailAddress =

Almost RFC2822 (No attribution reference available).

This differs in that it does not allow local domains (test@localhost). 99% of the time you do not want to allow these email addresses in a public web application.

begin
    alpha = "a-zA-Z\\p{Lu}\\p{Ll}" # Alpha characters, changed from RFC2822 to include unicode chars
    digit = "0-9"
    atext = "[#{alpha}#{digit}\!\#\$\%\&\'\*+\/\=\?\^\_\`\{\|\}\~\-]"
    dot_atom_text = "#{atext}+([.]#{atext}*)+" # Last char changed from * to +
    dot_atom = "#{dot_atom_text}"
    no_ws_ctl = "\\x01-\\x08\\x11\\x12\\x14-\\x1f\\x7f"
    qtext = "[^#{no_ws_ctl}\\x0d\\x22\\x5c]" # Non-whitespace, non-control character except for \ and "
    text = "[\\x01-\\x09\\x11\\x12\\x14-\\x7f]"
    quoted_pair = "(\\x5c#{text})"
    qcontent = "(?:#{qtext}|#{quoted_pair})"
    quoted_string = "[\"]#{qcontent}+[\"]"
    atom = "#{atext}+"
    word = "(?:#{atom}|#{quoted_string})"
    obs_local_part = "#{word}([.]#{word})*"
    local_part = "(?:#{dot_atom}|#{quoted_string}|#{obs_local_part})"
    dtext = "[#{no_ws_ctl}\\x21-\\x5a\\x5e-\\x7e]"
    dcontent = "(?:#{dtext}|#{quoted_pair})"
    domain_literal = "\\[#{dcontent}+\\]"
    obs_domain = "#{atom}([.]#{atom})+" # Last char changed from * to +
    domain = "(?:#{dot_atom}|#{domain_literal}|#{obs_domain})"
    addr_spec = "#{local_part}\@#{domain}"
    pattern = /^#{addr_spec}$/u
end

Class Method Summary

• .included(base) ⇒ Object

Class Method Details

.included(base) ⇒ Object

# File 'lib/dm-validations/formats/email.rb', line 8

def self.included(base)
  DataMapper::Validations::FormatValidator::FORMATS.merge!(
    :email_address => [ EmailAddress, lambda { |field, value| '%s is not a valid email address'.t(value) }]
  )
end