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Diffstat (limited to 'actionpack/lib/action_view/helpers')
| -rw-r--r-- | actionpack/lib/action_view/helpers/text_helper.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb index 7c877a0f57..3d276000a1 100644 --- a/actionpack/lib/action_view/helpers/text_helper.rb +++ b/actionpack/lib/action_view/helpers/text_helper.rb @@ -9,6 +9,24 @@ module ActionView # and transforming strings, which can reduce the amount of inline Ruby code in # your views. These helper methods extend Action View making them callable # within your template files. + # + # ==== Sanitization + # + # Most text helpers by default sanitize the given content, but do not escape it. + # This means HTML tags will appear in the page but all malicious code will be removed. + # Let's look at some examples using the +simple_format+ method: + # + # simple_format('<a href="http://example.com/">Example</a>') + # # => "<p><a href=\"http://example.com/\">Example</a></p>" + # + # simple_format('<a href="javascript:alert('no!')">Example</a>') + # # => "<p><a>Example</a></p>" + # + # If you want to escape all content, you should invoke the +h+ method before + # calling the text helper. + # + # simple_format h('<a href="http://example.com/">Example</a>') + # # => "<p><a href=\"http://example.com/\">Example</a></p>" module TextHelper extend ActiveSupport::Concern |