Upgrade to Rails 2.3.5. Also work around this bug: https://rails.lighthouseapp.com/projects/8994/tickets/3524 created by the aforementioned Rails release.
45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
require 'erb'
|
|
|
|
class ERB
|
|
module Util
|
|
HTML_ESCAPE = { '&' => '&', '>' => '>', '<' => '<', '"' => '"' }
|
|
JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' }
|
|
|
|
# A utility method for escaping HTML tag characters.
|
|
# This method is also aliased as <tt>h</tt>.
|
|
#
|
|
# In your ERb templates, use this method to escape any unsafe content. For example:
|
|
# <%=h @person.name %>
|
|
#
|
|
# ==== Example:
|
|
# puts html_escape("is a > 0 & a < 10?")
|
|
# # => is a > 0 & a < 10?
|
|
def html_escape(s)
|
|
s.to_s.gsub(/[&"><]/) { |special| HTML_ESCAPE[special] }
|
|
end
|
|
|
|
undef :h
|
|
alias h html_escape
|
|
|
|
module_function :html_escape
|
|
module_function :h
|
|
|
|
# A utility method for escaping HTML entities in JSON strings.
|
|
# This method is also aliased as <tt>j</tt>.
|
|
#
|
|
# In your ERb templates, use this method to escape any HTML entities:
|
|
# <%=j @person.to_json %>
|
|
#
|
|
# ==== Example:
|
|
# puts json_escape("is a > 0 & a < 10?")
|
|
# # => is a \u003E 0 \u0026 a \u003C 10?
|
|
def json_escape(s)
|
|
s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] }
|
|
end
|
|
|
|
alias j json_escape
|
|
module_function :j
|
|
module_function :json_escape
|
|
end
|
|
end
|