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html_sanitize_ex

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HTML sanitizer for Elixir

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html_sanitize_ex lib html_sanitize_ex scrubber basic_html.ex
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lib/html_sanitize_ex/scrubber/basic_html.ex 

defmodule HtmlSanitizeEx.Scrubber.BasicHTML do

  @moduledoc """

  Allows basic HTML tags to support user input for writing relatively

  plain text but allowing headings, links, bold, and so on.



  Does not allow any mailto-links, styling, HTML5 tags, video embeds etc.

  """



  require HtmlSanitizeEx.Scrubber.Meta

  alias HtmlSanitizeEx.Scrubber.Meta



  @valid_schemes ["http", "https"]



  # Removes any CDATA tags before the traverser/scrubber runs.

  Meta.remove_cdata_sections_before_scrub



  Meta.strip_comments



  Meta.allow_tag_with_uri_attributes   "a", ["href"], @valid_schemes

  Meta.allow_tag_with_these_attributes "a", ["name", "title"]



  Meta.allow_tag_with_these_attributes "b", []

  Meta.allow_tag_with_these_attributes "blockquote", []

  Meta.allow_tag_with_these_attributes "br", []

  Meta.allow_tag_with_these_attributes "code", []

  Meta.allow_tag_with_these_attributes "del", []

  Meta.allow_tag_with_these_attributes "em", []

  Meta.allow_tag_with_these_attributes "h1", []

  Meta.allow_tag_with_these_attributes "h2", []

  Meta.allow_tag_with_these_attributes "h3", []

  Meta.allow_tag_with_these_attributes "h4", []

  Meta.allow_tag_with_these_attributes "h5", []

  Meta.allow_tag_with_these_attributes "hr", []

  Meta.allow_tag_with_these_attributes "i", []



  Meta.allow_tag_with_uri_attributes   "img", ["src"], @valid_schemes

  Meta.allow_tag_with_these_attributes "img", ["width", "height", "title", "alt"]



  Meta.allow_tag_with_these_attributes "li", []

  Meta.allow_tag_with_these_attributes "ol", []

  Meta.allow_tag_with_these_attributes "p", []

  Meta.allow_tag_with_these_attributes "pre", []

  Meta.allow_tag_with_these_attributes "span", []

  Meta.allow_tag_with_these_attributes "strong", []

  Meta.allow_tag_with_these_attributes "table", []

  Meta.allow_tag_with_these_attributes "tbody", []

  Meta.allow_tag_with_these_attributes "td", []

  Meta.allow_tag_with_these_attributes "th", []

  Meta.allow_tag_with_these_attributes "thead", []

  Meta.allow_tag_with_these_attributes "tr", []

  Meta.allow_tag_with_these_attributes "u", []

  Meta.allow_tag_with_these_attributes "ul", []



  Meta.strip_everything_not_covered

end