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lib/pleroma/html.ex: Use macros for valid_schemes, change config for schemes

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Haelwenn (lanodan) Monnier 2018-10-18 07:36:58 +02:00
parent d7654c77de
commit 2154c5dcd8
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3 changed files with 32 additions and 50 deletions
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18
config/config.exs
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@ -24,7 +24,23 @@ config :pleroma, Pleroma.Uploaders.S3,
config :pleroma, :emoji, shortcode_globs: ["/emoji/custom/**/*.png"]
config :pleroma, :uri_schemes, additionnal_schemes: []
config :pleroma, :uri_schemes,
valid_schemes: [
"https",
"http",
"dat",
"dweb",
"gopher",
"ipfs",
"ipns",
"irc",
"ircs",
"magnet",
"mailto",
"mumble",
"ssb",
"xmpp"
]
# Configures the endpoint
config :pleroma, Pleroma.Web.Endpoint,

27
lib/pleroma/formatter.ex
View file

@ -171,25 +171,8 @@ defmodule Pleroma.Formatter do
@link_regex ~r/[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+/ui
# IANA got a list https://www.iana.org/assignments/uri-schemes/ but
# Stuff like ipfs isn’t in it
# There is very niche stuff
@uri_schemes [
"https://",
"http://",
"dat://",
"dweb://",
"gopher://",
"ipfs://",
"ipns://",
"irc:",
"ircs:",
"magnet:",
"mailto:",
"mumble:",
"ssb://",
"xmpp:"
]
@uri_schemes Application.get_env(:pleroma, :uri_schemes, [])
@valid_schemes Keyword.get(@uri_schemes, :valid_schemes, [])
# TODO: make it use something other than @link_regex
def html_escape(text, "text/html") do
@ -207,14 +190,10 @@ defmodule Pleroma.Formatter do
@doc "changes scheme:... urls to html links"
def add_links({subs, text}) do
additionnal_schemes =
Application.get_env(:pleroma, :uri_schemes, [])
|> Keyword.get(:additionnal_schemes, [])
links =
text
|> String.split([" ", "\t", "<br>"])
|> Enum.filter(fn word -> String.starts_with?(word, @uri_schemes ++ additionnal_schemes) end)
|> Enum.filter(fn word -> String.starts_with?(word, @valid_schemes) end)
|> Enum.filter(fn word -> Regex.match?(@link_regex, word) end)
|> Enum.map(fn url -> {Ecto.UUID.generate(), url} end)
|> Enum.sort_by(fn {_, url} -> -String.length(url) end)

37
lib/pleroma/html.ex
View file

@ -3,25 +3,6 @@ defmodule Pleroma.HTML do
@markup Application.get_env(:pleroma, :markup)
def valid_schemes() do
[
"https://",
"http://",
"dat://",
"dweb://",
"gopher://",
"ipfs://",
"ipns://",
"irc:",
"ircs:",
"magnet:",
"mailto:",
"mumble:",
"ssb://",
"xmpp:"
]
end
defp get_scrubbers(scrubber) when is_atom(scrubber), do: [scrubber]
defp get_scrubbers(scrubbers) when is_list(scrubbers), do: scrubbers
defp get_scrubbers(_), do: [Pleroma.HTML.Scrubber.Default]
@ -55,6 +36,10 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
paragraphs, breaks and links are allowed through the filter.
"""
@markup Application.get_env(:pleroma, :markup)
@uri_schemes Application.get_env(:pleroma, :uri_schemes, [])
@valid_schemes Keyword.get(@uri_schemes, :valid_schemes, [])
require HtmlSanitizeEx.Scrubber.Meta
alias HtmlSanitizeEx.Scrubber.Meta
@ -64,7 +49,7 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
Meta.strip_comments()
# links
Meta.allow_tag_with_uri_attributes("a", ["href"], HTML.valid_schemes())
Meta.allow_tag_with_uri_attributes("a", ["href"], @valid_schemes)
Meta.allow_tag_with_these_attributes("a", ["name", "title"])
# paragraphs and linebreaks
@ -75,11 +60,10 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
Meta.allow_tag_with_these_attributes("span", [])
# allow inline images for custom emoji
@markup Application.get_env(:pleroma, :markup)
@allow_inline_images Keyword.get(@markup, :allow_inline_images)
if @allow_inline_images do
Meta.allow_tag_with_uri_attributes("img", ["src"], HTML.valid_schemes())
Meta.allow_tag_with_uri_attributes("img", ["src"], @valid_schemes)
Meta.allow_tag_with_these_attributes("img", [
"width",
@ -100,10 +84,14 @@ defmodule Pleroma.HTML.Scrubber.Default do
alias Pleroma.HTML
@markup Application.get_env(:pleroma, :markup)
@uri_schemes Application.get_env(:pleroma, :uri_schemes, [])
@valid_schemes Keyword.get(@uri_schemes, :valid_schemes, [])
Meta.remove_cdata_sections_before_scrub()
Meta.strip_comments()
Meta.allow_tag_with_uri_attributes("a", ["href"], HTML.valid_schemes())
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", [])
@ -122,11 +110,10 @@ defmodule Pleroma.HTML.Scrubber.Default do
Meta.allow_tag_with_these_attributes("u", [])
Meta.allow_tag_with_these_attributes("ul", [])
@markup Application.get_env(:pleroma, :markup)
@allow_inline_images Keyword.get(@markup, :allow_inline_images)
if @allow_inline_images do
Meta.allow_tag_with_uri_attributes("img", ["src"], HTML.valid_schemes())
Meta.allow_tag_with_uri_attributes("img", ["src"], @valid_schemes)
Meta.allow_tag_with_these_attributes("img", [
"width",