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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 markdown_html.ex
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lib/html_sanitize_ex/scrubber/markdown_html.ex 

defmodule HtmlSanitizeEx.Scrubber.MarkdownHTML do

  @moduledoc """

  Allows basic HTML tags to support user input for writing relatively

  plain text with Markdown (GitHub flavoured Markdown supported).



  Technically this is a more relaxed version of the BasicHTML scrubber.



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

  """



  use HtmlSanitizeEx, extend: :strip_tags



  allow_tag_with_uri_attributes("a", ["href"], ["http", "https", "mailto"])

  allow_tag_with_these_attributes("a", ["name", "title"])

  allow_tag_with_this_attribute_values("a", "target", ["_blank"])

  allow_tag_with_this_attribute_values("a", "rel", ["noopener", "noreferrer"])

  allow_tag_with_these_attributes("b", [])

  allow_tag_with_these_attributes("blockquote", [])

  allow_tag_with_these_attributes("br", [])

  allow_tag_with_these_attributes("code", ["class"])

  allow_tag_with_these_attributes("del", [])

  allow_tag_with_these_attributes("em", [])

  allow_tag_with_these_attributes("h1", [])

  allow_tag_with_these_attributes("h2", [])

  allow_tag_with_these_attributes("h3", [])

  allow_tag_with_these_attributes("h4", [])

  allow_tag_with_these_attributes("h5", [])

  allow_tag_with_these_attributes("h6", [])

  allow_tag_with_these_attributes("hr", [])

  allow_tag_with_these_attributes("i", [])

  allow_tag_with_uri_attributes("img", ["src"], ["http", "https"])

  allow_tag_with_these_attributes("img", ["width", "height", "title", "alt"])

  allow_tag_with_these_attributes("li", [])

  allow_tag_with_these_attributes("ol", [])

  allow_tag_with_these_attributes("p", [])

  allow_tag_with_these_attributes("pre", [])

  allow_tag_with_these_attributes("span", [])

  allow_tag_with_these_attributes("strong", [])

  allow_tag_with_these_attributes("table", [])

  allow_tag_with_these_attributes("tbody", [])

  allow_tag_with_these_attributes("td", [])

  allow_tag_with_these_attributes("th", [])

  allow_tag_with_these_attributes("thead", [])

  allow_tag_with_these_attributes("tr", [])

  allow_tag_with_these_attributes("u", [])

  allow_tag_with_these_attributes("ul", [])

end