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@@ -1,3 +1,4 @@
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+* [#83] Added mail_to HTML helper.
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 * [#82] Added ACL support to mack-distributed
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 * [#81] Fixed sessions working with redirects in testing
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 * [#80] Distributed objects present both the DRb::DRbObject inspect and the original object's inspect when asked.

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@@ -124,6 +124,34 @@ module Mack
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         # content_tag(:form, options, &block)
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       end
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+      # Builds a mailto href. By default it will generate 
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+      # JavaScript to help prevent phishing. To turn this off
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+      # pass in the option :format => :plain
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+      # 
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+      #   mail_to("Saul Frami", "frami.saul@klocko.ca") # => 
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+      #   <script>document.write(String.fromCharCode(60,97,32,104,114,101,
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+      #   102,61,34,109,97,105,108,116,111,58,102,114,97,109,105,46,115,97,117,
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+      #   108,64,107,108,111,99,107,111,46,99,97,34,62,83,97,117,108,32,70,114,97,109,105,60,47,97,62));</script>
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+      def mail_to(text, email_address = nil, options = {})
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+        email_address = text if email_address.blank?
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+        options = {:format => :js}.merge(options)
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+        format = options[:format]
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+        options - [:format]
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+        link = link_to(text, "mailto:#{email_address}", options)
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+        if format == :js
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+          y = ''
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+          link.size.times {y << 'a'}
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+          js_link = "<script>"
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+          c_code = []
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+          link.each_byte {|c| c_code << c}
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+          js_link << "document.write(String.fromCharCode(#{c_code.join(",")}));"
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+          js_link << "</script>"
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+          return js_link
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+        else
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+          return link
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+        end
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+      end
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+      
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       private
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       def build_options(options)
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         opts = ""

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@@ -13,6 +13,22 @@ end
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 describe Mack::ViewHelpers::HtmlHelpers do
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   include HTMLSpecHelpers
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+  describe "mail_to" do
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+    
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+    it "should use the 'text' parameter for the email parameter if one isn't given" do
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+      mail_to("iii.blick.randy@langworthtowne.co.uk").should == %{<script>document.write(String.fromCharCode(60,97,32,104,114,101,102,61,34,109,97,105,108,116,111,58,105,105,105,46,98,108,105,99,107,46,114,97,110,100,121,64,108,97,110,103,119,111,114,116,104,116,111,119,110,101,46,99,111,46,117,107,34,62,105,105,105,46,98,108,105,99,107,46,114,97,110,100,121,64,108,97,110,103,119,111,114,116,104,116,111,119,110,101,46,99,111,46,117,107,60,47,97,62));</script>}.strip
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+    end
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+    
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+    it "should build a javascript link by default" do
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+      mail_to("Randy Blick III", "iii.blick.randy@langworthtowne.co.uk").should == %{<script>document.write(String.fromCharCode(60,97,32,104,114,101,102,61,34,109,97,105,108,116,111,58,105,105,105,46,98,108,105,99,107,46,114,97,110,100,121,64,108,97,110,103,119,111,114,116,104,116,111,119,110,101,46,99,111,46,117,107,34,62,82,97,110,100,121,32,66,108,105,99,107,32,73,73,73,60,47,97,62));</script>}.strip
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+    end
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+    
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+    it "should generate a 'plain' version of the link if specified" do
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+      mail_to("Randy Blick III", "iii.blick.randy@langworthtowne.co.uk", :format => :plain).should == link_to("Randy Blick III", "mailto:iii.blick.randy@langworthtowne.co.uk")
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+    end
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+    
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+  end
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+  
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   describe "submit_tag" do
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     it "should build a simple submit tag" do