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Makes text_helper methods sanitize the input if the input is not safe or :safe => true option is not provided

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This commit is contained in:
Santiago Pastorino 2010-06-06 02:16:26 -03:00 committed by wycats
parent 399b493cb4
commit ab764ecbfe
2 changed files with 118 additions and 22 deletions
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38
actionpack/lib/action_view/helpers/text_helper.rb
View file

@ -74,6 +74,7 @@ module ActionView
options.reverse_merge!(:length => 30)
text = sanitize(text) unless text.html_safe? || options[:safe]
text.truncate(options.delete(:length), options) if text
end
@ -105,6 +106,7 @@ module ActionView
end
options.reverse_merge!(:highlighter => '<strong class="highlight">\1</strong>')
text = sanitize(text) unless text.html_safe? || options[:safe]
if text.blank? || phrases.blank?
text
else
@ -244,13 +246,14 @@ module ActionView
#
def textilize(text, *options)
options ||= [:hard_breaks]
text = sanitize(text) unless text.html_safe? || options.delete(:safe)
if text.blank?
""
else
textilized = RedCloth.new(text, options)
textilized.to_html
end
end.html_safe
end
# Returns the text with all the Textile codes turned into HTML tags,
@ -271,8 +274,8 @@ module ActionView
#
# textilize_without_paragraph("Visit the Rails website "here":http://www.rubyonrails.org/.)
# # => "Visit the Rails website <a href="http://www.rubyonrails.org/">here</a>."
def textilize_without_paragraph(text)
textiled = textilize(text)
def textilize_without_paragraph(text, *options)
textiled = textilize(text, options)
if textiled[0..2] == "<p>" then textiled = textiled[3..-1] end
if textiled[-4..-1] == "</p>" then textiled = textiled[0..-5] end
return textiled
@ -295,8 +298,9 @@ module ActionView
#
# markdown('![The ROR logo](http://rubyonrails.com/images/rails.png "Ruby on Rails")')
# # => '<p><img src="http://rubyonrails.com/images/rails.png" alt="The ROR logo" title="Ruby on Rails" /></p>'
def markdown(text)
text.blank? ? "" : BlueCloth.new(text).to_html
def markdown(text, options = {})
text = sanitize(text) unless options[:safe]
(text.blank? ? "" : BlueCloth.new(text).to_html).html_safe
end
# Returns +text+ transformed into HTML using simple formatting rules.
@ -320,14 +324,15 @@ module ActionView
#
# simple_format("Look ma! A class!", :class => 'description')
# # => "<p class='description'>Look ma! A class!</p>"
def simple_format(text, html_options={})
def simple_format(text, html_options={}, options={})
text = '' if text.nil?
start_tag = tag('p', html_options, true)
text = h(text)
text = sanitize(text) unless text.html_safe? || options[:safe]
text.gsub!(/\r\n?/, "\n") # \r\n and \r -> \n
text.gsub!(/\n\n+/, "</p>\n\n#{start_tag}") # 2+ newline -> paragraph
text.gsub!(/([^\n]\n)(?=[^\n])/, '\1<br />') # 1 newline -> br
text.insert 0, start_tag
text.safe_concat("</p>")
text.html_safe.safe_concat("</p>")
end
# Turns all URLs and e-mail addresses into clickable links. The <tt>:link</tt> option
@ -368,7 +373,7 @@ module ActionView
# # => "Welcome to my new blog at <a href=\"http://www.myblog.com/\" target=\"_blank\">http://www.myblog.com</a>.
# Please e-mail me at <a href=\"mailto:me@email.com\">me@email.com</a>."
def auto_link(text, *args, &block)#link = :all, html = {}, &block)
return '' if text.blank?
return ''.html_safe if text.blank?
options = args.size == 2 ? {} : args.extract_options! # this is necessary because the old auto_link API has a Hash as its last parameter
unless args.empty?
@ -378,9 +383,9 @@ module ActionView
options.reverse_merge!(:link => :all, :html => {})
case options[:link].to_sym
when :all then auto_link_email_addresses(auto_link_urls(text, options[:html], &block), options[:html], &block)
when :all then auto_link_email_addresses(auto_link_urls(text, options[:html], options, &block), options[:html], &block)
when :email_addresses then auto_link_email_addresses(text, options[:html], &block)
when :urls then auto_link_urls(text, options[:html], &block)
when :urls then auto_link_urls(text, options[:html], options, &block)
end
end
@ -544,7 +549,7 @@ module ActionView
# Turns all urls into clickable links. If a block is given, each url
# is yielded and the result is used as the link text.
def auto_link_urls(text, html_options = {})
def auto_link_urls(text, html_options = {}, options = {})
link_attributes = html_options.stringify_keys
text.gsub(AUTO_LINK_RE) do
scheme, href = $1, $&
@ -566,21 +571,22 @@ module ActionView
link_text = block_given?? yield(href) : href
href = 'http://' + href unless scheme
content_tag(:a, link_text, link_attributes.merge('href' => href)) + punctuation.reverse.join('')
content_tag(:a, link_text, link_attributes.merge('href' => href), !(options[:safe] || text.html_safe?)) + punctuation.reverse.join('')
end
end
end.html_safe
end
# Turns all email addresses into clickable links. If a block is given,
# each email is yielded and the result is used as the link text.
def auto_link_email_addresses(text, html_options = {})
def auto_link_email_addresses(text, html_options = {}, options = {})
text.gsub(AUTO_EMAIL_RE) do
text = $&
if auto_linked?($`, $')
text
text.html_safe
else
display_text = (block_given?) ? yield(text) : text
display_text = sanitize(display_text) unless options[:safe]
mail_to text, display_text, html_options
end
end

102
actionpack/test/template/text_helper_test.rb
View file

@ -45,19 +45,42 @@ class TextHelperTest < ActionView::TestCase
assert simple_format("<b> test with html tags </b>").html_safe?
end
def test_simple_format_should_escape_unsafe_input
assert_equal "<p>&lt;b&gt; test with unsafe string &lt;/b&gt;</p>", simple_format("<b> test with unsafe string </b>")
def test_simple_format_should_sanitize_unsafe_input
assert_equal "<p><b> test with unsafe string </b></p>", simple_format("<b> test with unsafe string </b><script>code!</script>")
end
def test_simple_format_should_not_escape_safe_input
def test_simple_format_should_not_sanitize_input_if_safe_option
assert_equal "<p><b> test with unsafe string </b><script>code!</script></p>", simple_format("<b> test with unsafe string </b><script>code!</script>", {}, :safe => true)
end
def test_simple_format_should_not_sanitize_safe_input
assert_equal "<p><b> test with safe string </b></p>", simple_format("<b> test with safe string </b>".html_safe)
end
def test_truncate_should_be_html_safe
assert truncate("Hello World!", :length => 12).html_safe?
end
def test_truncate
assert_equal "Hello World!", truncate("Hello World!", :length => 12)
assert_equal "Hello Wor...", truncate("Hello World!!", :length => 12)
end
def test_truncate_should_sanitize_unsafe_input
assert_equal "Hello World!", truncate("Hello <script>code!</script>World!", :length => 12)
assert_equal "Hello Wor...", truncate("Hello <script>code!</script>World!!", :length => 12)
end
def test_truncate_should_not_sanitize_input_if_safe_option
assert_equal "Hello <sc...", truncate("Hello <script>code!</script>World!", :length => 12, :safe => true)
assert_equal "Hello <sc...", truncate("Hello <script>code!</script>World!!", :length => 12, :safe => true)
end
def test_truncate_should_not_sanitize_safe_input
assert_equal "Hello <sc...", truncate("Hello <script>code!</script>World!".html_safe, :length => 12)
assert_equal "Hello <sc...", truncate("Hello <script>code!</script>World!!".html_safe, :length => 12)
end
def test_truncate_should_use_default_length_of_30
str = "This is a string that will go longer then the default truncate length of 30"
assert_equal str[0...27] + "...", truncate(str)
@ -93,7 +116,11 @@ class TextHelperTest < ActionView::TestCase
end
end
def test_highlighter
def test_highlight_should_be_html_safe
assert highlight("This is a beautiful morning", "beautiful").html_safe?
end
def test_highlight
assert_equal(
"This is a <strong class=\"highlight\">beautiful</strong> morning",
highlight("This is a beautiful morning", "beautiful")
@ -117,6 +144,27 @@ class TextHelperTest < ActionView::TestCase
assert_equal ' ', highlight(' ', 'blank text is returned verbatim')
end
def test_highlight_should_sanitize_unsafe_input
assert_equal(
"This is a <strong class=\"highlight\">beautiful</strong> morning",
highlight("This is a beautiful morning<script>code!</script>", "beautiful")
)
end
def test_highlight_should_not_sanitize_input_if_safe_option
assert_equal(
"This is a <strong class=\"highlight\">beautiful</strong> morning<script>code!</script>",
highlight("This is a beautiful morning<script>code!</script>", "beautiful", :safe => true)
)
end
def test_highlight_should_not_sanitize_safe_input
assert_equal(
"This is a <strong class=\"highlight\">beautiful</strong> morning<script>code!</script>",
highlight("This is a beautiful morning<script>code!</script>".html_safe, "beautiful")
)
end
def test_highlight_with_regexp
assert_equal(
"This is a <strong class=\"highlight\">beautiful!</strong> morning",
@ -163,7 +211,7 @@ class TextHelperTest < ActionView::TestCase
highlight("<p class=\"beautiful\">This is a beautiful morning, but also a beautiful day</p>", "beautiful")
)
assert_equal(
"<p>This is a <strong class=\"highlight\">beautiful</strong> <a href=\"http://example.com/beautiful\#top?what=beautiful%20morning&when=now+then\">morning</a>, but also a <strong class=\"highlight\">beautiful</strong> day</p>",
"<p>This is a <strong class=\"highlight\">beautiful</strong> <a href=\"http://example.com/beautiful\#top?what=beautiful%20morning&amp;when=now+then\">morning</a>, but also a <strong class=\"highlight\">beautiful</strong> day</p>",
highlight("<p>This is a beautiful <a href=\"http://example.com/beautiful\#top?what=beautiful%20morning&when=now+then\">morning</a>, but also a beautiful day</p>", "beautiful")
)
end
@ -286,7 +334,17 @@ class TextHelperTest < ActionView::TestCase
%{<a href="#{CGI::escapeHTML href}">#{CGI::escapeHTML link_text}</a>}
end
def test_auto_linking
def test_auto_link_should_be_html_safe
email_raw = 'santiago@wyeworks.com'
link_raw = 'http://www.rubyonrails.org'
assert auto_link(nil).html_safe?
assert auto_link('').html_safe?
assert auto_link("#{link_raw} #{link_raw} #{link_raw}").html_safe?
assert auto_link("hello #{email_raw}").html_safe?
end
def test_auto_link
email_raw = 'david@loudthinking.com'
email_result = %{<a href="mailto:#{email_raw}">#{email_raw}</a>}
link_raw = 'http://www.rubyonrails.com'
@ -378,6 +436,21 @@ class TextHelperTest < ActionView::TestCase
assert_equal %(<p>#{link10_result} Link</p>), auto_link("<p>#{link10_raw} Link</p>")
end
def test_auto_link_should_sanitize_unsafe_input
link_raw = %{http://www.rubyonrails.com?id=1&num=2}
assert_equal %{<a href="http://www.rubyonrails.com?id=1&amp;num=2">http://www.rubyonrails.com?id=1&amp;num=2</a>}, auto_link(link_raw)
end
def test_auto_link_should_sanitize_unsafe_input
link_raw = %{http://www.rubyonrails.com?id=1&num=2}
assert_equal %{<a href="http://www.rubyonrails.com?id=1&num=2">http://www.rubyonrails.com?id=1&num=2</a>}, auto_link(link_raw, :safe => true)
end
def test_auto_link_should_not_sanitize_safe_input
link_raw = %{http://www.rubyonrails.com?id=1&num=2}
assert_equal %{<a href="http://www.rubyonrails.com?id=1&num=2">http://www.rubyonrails.com?id=1&num=2</a>}, auto_link(link_raw.html_safe)
end
def test_auto_link_other_protocols
ftp_raw = 'ftp://example.com/file.txt'
assert_equal %(Download #{generate_result(ftp_raw)}), auto_link("Download #{ftp_raw}")
@ -587,7 +660,12 @@ class TextHelperTest < ActionView::TestCase
assert_equal(%w{Specialized Fuji Giant}, @cycles)
end
# TODO test textilize_without_paragraph and markdown
if defined? RedCloth
def test_textilize_should_be_html_safe
assert textilize("*This is Textile!* Rejoice!").html_safe?
end
def test_textilize
assert_equal("<p><strong>This is Textile!</strong> Rejoice!</p>", textilize("*This is Textile!* Rejoice!"))
end
@ -600,6 +678,18 @@ class TextHelperTest < ActionView::TestCase
assert_equal("<p>This is worded &lt;strong&gt;strongly&lt;/strong&gt;</p>", textilize("This is worded <strong>strongly</strong>", :filter_html))
end
def test_textilize_should_sanitize_unsafe_input
assert_equal("<p>This is worded <strong>strongly</strong></p>", textilize("This is worded <strong>strongly</strong><script>code!</script>"))
end
def test_textilize_should_not_sanitize_input_if_safe_option
assert_equal("<p>This is worded <strong>strongly</strong><script>code!</script></p>", textilize("This is worded <strong>strongly</strong><script>code!</script>", :safe))
end
def test_textilize_should_not_sanitize_safe_input
assert_equal("<p>This is worded <strong>strongly</strong><script>code!</script></p>", textilize("This is worded <strong>strongly</strong><script>code!</script>".html_safe))
end
def test_textilize_with_hard_breaks
assert_equal("<p>This is one scary world.<br />\n True.</p>", textilize("This is one scary world.\n True."))
end