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Added :encode option to mail_to that'll allow you to masquarede the email address behind javascript or hex encoding #494 [Lucas Carlson]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@493 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2005-01-24 13:48:24 +00:00
parent 505e2d99da
commit 45db66de56
3 changed files with 42 additions and 1 deletions
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2
actionpack/CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Added :encode option to mail_to that'll allow you to masquarede the email address behind javascript or hex encoding #494 [Lucas Carlson]
* Fixed that the content-header was being set to application/octet_stream instead of application/octet-stream on send_date/file [Alexey]
* Removed the need for passing the binding when using CacheHelper#cache

29
actionpack/lib/action_view/helpers/url_helper.rb
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@ -91,8 +91,35 @@ module ActionView
# Creates a link tag for starting an email to the specified <tt>email_address</tt>, which is also used as the name of the
# link unless +name+ is specified. Additional HTML options, such as class or id, can be passed in the <tt>html_options</tt> hash.
#
# You can also make it difficult for spiders to harvest email address by obfuscating them.
# Examples:
# * mail_to "me@domain.com", "My email", :encode => "javascript"
# => <script type="text/javascript" language="javascript">eval(unescape('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%64%6f%6d%61%69%6e%2e%63%6f%6d%22%3e%4d%79%20%65%6d%61%69%6c%3c%2f%61%3e%27%29%3b'))</script>
# * mail_to "me@domain.com", "My email", :encode => "hex"
# => <a href="mailto:%6d%65@%64%6f%6d%61%69%6e.%63%6f%6d">My email</a>
def mail_to(email_address, name = nil, html_options = {})
content_tag "a", name || email_address, html_options.merge({ "href" => "mailto:#{email_address}" })
encode = html_options[:encode]
html_options.delete(:encode)
string = ''
if encode == 'javascript'
tmp = "document.write('#{content_tag("a", name || email_address, html_options.merge({ "href" => "mailto:"+email_address.to_s }))}');"
for i in 0...tmp.length
string << sprintf("%%%x",tmp[i])
end
"<script type=\"text/javascript\" language=\"javascript\">eval(unescape('#{string}'))</script>"
elsif encode == 'hex'
for i in 0...email_address.length
if email_address[i,1] =~ /\w/
string << sprintf("%%%x",email_address[i])
else
string << email_address[i,1]
end
end
content_tag "a", name || email_address, html_options.merge({ "href" => "mailto:#{string}" })
else
content_tag "a", name || email_address, html_options.merge({ "href" => "mailto:#{email_address}" })
end
end
private

12
actionpack/test/template/tag_helper_test.rb
View file

@ -14,5 +14,17 @@ class TagHelperTest < Test::Unit::TestCase
assert_equal "<a href=\"create\">Create</a>", content_tag("a", "Create", "href" => "create")
end
def test_mail_to_with_javascript
assert_equal "<script type=\"text/javascript\" language=\"javascript\">eval(unescape('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%64%6f%6d%61%69%6e%2e%63%6f%6d%22%3e%4d%79%20%65%6d%61%69%6c%3c%2f%61%3e%27%29%3b'))</script>", mail_to("me@domain.com", "My email", :encode => "javascript")
end
def test_mail_to_with_hex
assert_equal "<a href=\"mailto:%6d%65@%64%6f%6d%61%69%6e.%63%6f%6d\">My email</a>", mail_to("me@domain.com", "My email", :encode => "hex")
end
def test_mail_to
assert_equal "<a href=\"mailto:me@domain.com\">My email</a>", mail_to("me@domain.com", "My email")
end
# FIXME: Test form tag
end