email.rb in galakei-0.9.0

- old
+ new

@@ -1,5 +1,6 @@
+require 'sanitize'
 module Galakei::Email
 
   GALAKEI_EMAIL_ADDRESS_PATTERNS = [
     /^.+@(.+\.)?pdx\.ne\.jp$/,
     /^.+@ezweb\.ne\.jp$/,
@@ -7,9 +8,33 @@
     /^.+@[dhtcrknsq]\.vodafone\.ne\.jp$/,
     /^.+@jp-[dhtcrknsq]\.ne\.jp$/,
     /^.+@emnet\.ne\.jp$/,
     /^.+@docomo\.ne\.jp$/ ]
 
+  SANITIZE_OPTIONS = { 
+    :elements   => %w{br a div hr},
+    :attributes => {'a' => ['href'] },
+    :protocols  => {'a' => {'href' => ['http', 'https', 'mailto']}},
+    :whitespace_elements => []
+  }
+
+  TAGS_TO_PROCESS = %w{h1 h2 h3 h4 h5 h6 p}.join(',')
+
   def self.galakei_email_address?(email)
     GALAKEI_EMAIL_ADDRESS_PATTERNS.any?{|p| p =~ email }
   end
+
+  def self.to_galakei_email(html_email)
+    doc = Nokogiri::HTML(html_email)
+    doc.css(TAGS_TO_PROCESS).each do |node|
+      node.name = "div"
+      node.after("<br />")
+    end
+
+    res = "<html><head>"
+    res << "<meta http-equiv=\"Content-type\" content=\"text/html;charset=#{doc.meta_encoding}\" />"
+    res << "</head><body>"
+    res << Sanitize.clean(doc.to_s, SANITIZE_OPTIONS)
+    res << "</body></html>"
+  end
+
 end