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authorAzul <azul@riseup.net>2016-07-02 13:16:35 +0200
committerAzul <azul@riseup.net>2016-07-02 13:26:43 +0200
commite81c1a8cf274a13903be00c74c975c0cb2c20995 (patch)
tree5da2e0711420fde574d1091dcbdfcccaddf52256 /lib/nickserver/email_address.rb
parentfb2d7e6f8f1fceefbc8964d34369a867eb8f25bb (diff)
refactor: turn EmailAddress into a class, cleanup
Diffstat (limited to 'lib/nickserver/email_address.rb')
-rw-r--r--lib/nickserver/email_address.rb64
1 files changed, 42 insertions, 22 deletions
diff --git a/lib/nickserver/email_address.rb b/lib/nickserver/email_address.rb
index 26053a2..2b3f2c2 100644
--- a/lib/nickserver/email_address.rb
+++ b/lib/nickserver/email_address.rb
@@ -1,25 +1,45 @@
-#
-# This rather crazy regexp is from here: http://code.iamcal.com/php/rfc822/
-# Licensed GPLv3
-#
-# It is too liberal, allowing "!@x" as a valid address, for example, but it does
-# follow the specification rather closely.
-#
-
module Nickserver
- EmailAddress = begin
- qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]'
- dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]'
- atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+'
- quoted_pair = '\\x5c[\\x00-\\x7f]'
- domain_literal = "\\x5b(?:#{dtext}|#{quoted_pair})*\\x5d"
- quoted_string = "\\x22(?:#{qtext}|#{quoted_pair})*\\x22"
- domain_ref = atom
- sub_domain = "(?:#{domain_ref}|#{domain_literal})"
- word = "(?:#{atom}|#{quoted_string})"
- domain = "#{sub_domain}(?:\\x2e#{sub_domain})*"
- local_part = "#{word}(?:\\x2e#{word})*"
- addr_spec = "#{local_part}\\x40#{domain}"
- /\A#{addr_spec}\z/n
+ class EmailAddress
+
+ REGEXP = begin
+ qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]'
+ dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]'
+ atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+'
+ quoted_pair = '\\x5c[\\x00-\\x7f]'
+ domain_literal = "\\x5b(?:#{dtext}|#{quoted_pair})*\\x5d"
+ quoted_string = "\\x22(?:#{qtext}|#{quoted_pair})*\\x22"
+ domain_ref = atom
+ sub_domain = "(?:#{domain_ref}|#{domain_literal})"
+ word = "(?:#{atom}|#{quoted_string})"
+ domain = "#{sub_domain}(?:\\x2e#{sub_domain})*"
+ local_part = "#{word}(?:\\x2e#{word})*"
+ addr_spec = "#{local_part}\\x40#{domain}"
+ /\A#{addr_spec}\z/n
+ end
+
+ def initialize(address)
+ @address = address.to_s
+ end
+
+ def valid?
+ address =~ REGEXP
+ end
+
+ def invalid?
+ !valid?
+ end
+
+ def domain?(domain)
+ address.end_with? "@#{domain}"
+ end
+
+ def to_s
+ address
+ end
+
+ protected
+
+ attr_reader :address
+
end
end