forked from mirrors/akkoma
115 lines
3.4 KiB
Elixir
115 lines
3.4 KiB
Elixir
defmodule Pleroma.HTML do
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alias HtmlSanitizeEx.Scrubber
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@markup Application.get_env(:pleroma, :markup)
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def filter_tags(html) do
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scrubber = Keyword.get(@markup, :scrub_policy)
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html |> Scrubber.scrub(scrubber)
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end
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def strip_tags(html) do
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html |> Scrubber.scrub(Scrubber.StripTags)
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end
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end
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defmodule Pleroma.HTML.Scrubber.TwitterText do
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@moduledoc """
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An HTML scrubbing policy which limits to twitter-style text. Only
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paragraphs, breaks and links are allowed through the filter.
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"""
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require HtmlSanitizeEx.Scrubber.Meta
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alias HtmlSanitizeEx.Scrubber.Meta
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@valid_schemes ["http", "https"]
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Meta.remove_cdata_sections_before_scrub()
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Meta.strip_comments()
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# links
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Meta.allow_tag_with_uri_attributes("a", ["href"], @valid_schemes)
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Meta.allow_tag_with_these_attributes("a", ["name", "title"])
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# paragraphs and linebreaks
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Meta.allow_tag_with_these_attributes("br", [])
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Meta.allow_tag_with_these_attributes("p", [])
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# microformats
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Meta.allow_tag_with_these_attributes("span", [])
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end
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defmodule Pleroma.HTML.Scrubber.Default do
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@doc "The default HTML scrubbing policy: no "
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require HtmlSanitizeEx.Scrubber.Meta
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alias HtmlSanitizeEx.Scrubber.Meta
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@valid_schemes ["http", "https"]
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Meta.remove_cdata_sections_before_scrub()
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Meta.strip_comments()
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Meta.allow_tag_with_uri_attributes("a", ["href"], @valid_schemes)
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Meta.allow_tag_with_these_attributes("a", ["name", "title"])
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Meta.allow_tag_with_these_attributes("b", [])
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Meta.allow_tag_with_these_attributes("blockquote", [])
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Meta.allow_tag_with_these_attributes("br", [])
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Meta.allow_tag_with_these_attributes("code", [])
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Meta.allow_tag_with_these_attributes("del", [])
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Meta.allow_tag_with_these_attributes("em", [])
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Meta.allow_tag_with_these_attributes("i", [])
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Meta.allow_tag_with_these_attributes("li", [])
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Meta.allow_tag_with_these_attributes("ol", [])
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Meta.allow_tag_with_these_attributes("p", [])
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Meta.allow_tag_with_these_attributes("pre", [])
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Meta.allow_tag_with_these_attributes("span", [])
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Meta.allow_tag_with_these_attributes("strong", [])
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Meta.allow_tag_with_these_attributes("u", [])
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Meta.allow_tag_with_these_attributes("ul", [])
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@markup Application.get_env(:pleroma, :markup)
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@allow_inline_images Keyword.get(@markup, :allow_inline_images)
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if @allow_inline_images do
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Meta.allow_tag_with_uri_attributes("img", ["src"], @valid_schemes)
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Meta.allow_tag_with_these_attributes("img", [
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"width",
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"height",
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"title",
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"alt"
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])
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end
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@allow_tables Keyword.get(@markup, :allow_tables)
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if @allow_tables do
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Meta.allow_tag_with_these_attributes("table", [])
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Meta.allow_tag_with_these_attributes("tbody", [])
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Meta.allow_tag_with_these_attributes("td", [])
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Meta.allow_tag_with_these_attributes("th", [])
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Meta.allow_tag_with_these_attributes("thead", [])
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Meta.allow_tag_with_these_attributes("tr", [])
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end
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@allow_headings Keyword.get(@markup, :allow_headings)
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if @allow_headings do
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Meta.allow_tag_with_these_attributes("h1", [])
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Meta.allow_tag_with_these_attributes("h2", [])
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Meta.allow_tag_with_these_attributes("h3", [])
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Meta.allow_tag_with_these_attributes("h4", [])
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Meta.allow_tag_with_these_attributes("h5", [])
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end
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@allow_fonts Keyword.get(@markup, :allow_fonts)
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if @allow_fonts do
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Meta.allow_tag_with_these_attributes("font", ["face"])
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end
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Meta.strip_everything_not_covered()
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end
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