7ca2a2ddea
add nil clause for Formatter.get_emoji/1 to return an empty result Closes #274 See merge request pleroma/pleroma!315
292 lines
7.7 KiB
Elixir
292 lines
7.7 KiB
Elixir
defmodule Pleroma.Formatter do
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alias Pleroma.User
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alias Pleroma.Web.MediaProxy
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@tag_regex ~r/\#\w+/u
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def parse_tags(text, data \\ %{}) do
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Regex.scan(@tag_regex, text)
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|> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end)
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|> (fn map ->
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if data["sensitive"] in [true, "True", "true", "1"],
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do: [{"#nsfw", "nsfw"}] ++ map,
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else: map
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end).()
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end
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def parse_mentions(text) do
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# Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
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regex =
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~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
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Regex.scan(regex, text)
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|> List.flatten()
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|> Enum.uniq()
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|> Enum.map(fn "@" <> match = full_match ->
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{full_match, User.get_cached_by_nickname(match)}
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end)
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|> Enum.filter(fn {_match, user} -> user end)
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end
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@finmoji [
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"a_trusted_friend",
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"alandislands",
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"association",
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"auroraborealis",
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"baby_in_a_box",
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"bear",
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"black_gold",
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"christmasparty",
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"crosscountryskiing",
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"cupofcoffee",
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"education",
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"fashionista_finns",
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"finnishlove",
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"flag",
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"forest",
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"four_seasons_of_bbq",
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"girlpower",
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"handshake",
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"happiness",
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"headbanger",
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"icebreaker",
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"iceman",
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"joulutorttu",
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"kaamos",
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"kalsarikannit_f",
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"kalsarikannit_m",
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"karjalanpiirakka",
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"kicksled",
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"kokko",
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"lavatanssit",
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"losthopes_f",
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"losthopes_m",
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"mattinykanen",
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"meanwhileinfinland",
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"moominmamma",
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"nordicfamily",
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"out_of_office",
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"peacemaker",
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"perkele",
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"pesapallo",
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"polarbear",
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"pusa_hispida_saimensis",
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"reindeer",
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"sami",
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"sauna_f",
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"sauna_m",
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"sauna_whisk",
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"sisu",
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"stuck",
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"suomimainittu",
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"superfood",
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"swan",
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"the_cap",
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"the_conductor",
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"the_king",
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"the_voice",
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"theoriginalsanta",
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"tomoffinland",
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"torillatavataan",
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"unbreakable",
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"waiting",
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"white_nights",
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"woollysocks"
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]
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@finmoji_with_filenames Enum.map(@finmoji, fn finmoji ->
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{finmoji, "/finmoji/128px/#{finmoji}-128.png"}
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end)
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@emoji_from_file (with {:ok, default} <- File.read("config/emoji.txt") do
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custom =
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with {:ok, custom} <- File.read("config/custom_emoji.txt") do
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custom
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else
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_e -> ""
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end
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(default <> "\n" <> custom)
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|> String.trim()
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|> String.split(~r/\n+/)
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|> Enum.map(fn line ->
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[name, file] = String.split(line, ~r/,\s*/)
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{name, file}
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end)
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else
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_ -> []
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end)
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@emoji_from_globs (
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static_path = Path.join(:code.priv_dir(:pleroma), "static")
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globs =
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Application.get_env(:pleroma, :emoji, [])
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|> Keyword.get(:shortcode_globs, [])
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paths =
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Enum.map(globs, fn glob ->
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Path.join(static_path, glob)
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|> Path.wildcard()
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end)
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|> Enum.concat()
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Enum.map(paths, fn path ->
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shortcode = Path.basename(path, Path.extname(path))
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external_path = Path.join("/", Path.relative_to(path, static_path))
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{shortcode, external_path}
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end)
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)
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@emoji @finmoji_with_filenames ++ @emoji_from_globs ++ @emoji_from_file
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def emojify(text, emoji \\ @emoji)
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def emojify(text, nil), do: text
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def emojify(text, emoji) do
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Enum.reduce(emoji, text, fn {emoji, file}, text ->
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emoji = HtmlSanitizeEx.strip_tags(emoji)
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file = HtmlSanitizeEx.strip_tags(file)
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String.replace(
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text,
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":#{emoji}:",
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"<img height='32px' width='32px' alt='#{emoji}' title='#{emoji}' src='#{
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MediaProxy.url(file)
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}' />"
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)
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|> HtmlSanitizeEx.basic_html()
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end)
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end
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def get_emoji(text) when is_binary(text) do
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Enum.filter(@emoji, fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end)
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end
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def get_emoji(_), do: []
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def get_custom_emoji() do
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@emoji
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end
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@link_regex ~r/[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+/ui
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# IANA got a list https://www.iana.org/assignments/uri-schemes/ but
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# Stuff like ipfs isn’t in it
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# There is very niche stuff
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@uri_schemes [
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"https://",
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"http://",
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"dat://",
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"dweb://",
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"gopher://",
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"ipfs://",
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"ipns://",
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"irc:",
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"ircs:",
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"magnet:",
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"mailto:",
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"mumble:",
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"ssb://",
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"xmpp:"
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]
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# TODO: make it use something other than @link_regex
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def html_escape(text) do
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Regex.split(@link_regex, text, include_captures: true)
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|> Enum.map_every(2, fn chunk ->
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{:safe, part} = Phoenix.HTML.html_escape(chunk)
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part
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end)
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|> Enum.join("")
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end
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@doc "changes scheme:... urls to html links"
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def add_links({subs, text}) do
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additionnal_schemes =
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Application.get_env(:pleroma, :uri_schemes, [])
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|> Keyword.get(:additionnal_schemes, [])
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links =
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text
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|> String.split([" ", "\t", "<br>"])
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|> Enum.filter(fn word -> String.starts_with?(word, @uri_schemes ++ additionnal_schemes) end)
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|> Enum.filter(fn word -> Regex.match?(@link_regex, word) end)
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|> Enum.map(fn url -> {Ecto.UUID.generate(), url} end)
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|> Enum.sort_by(fn {_, url} -> -String.length(url) end)
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uuid_text =
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links
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|> Enum.reduce(text, fn {uuid, url}, acc -> String.replace(acc, url, uuid) end)
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subs =
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subs ++
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Enum.map(links, fn {uuid, url} ->
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{:safe, link} = Phoenix.HTML.Link.link(url, to: url)
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link =
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link
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|> IO.iodata_to_binary()
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{uuid, link}
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end)
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{subs, uuid_text}
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end
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@doc "Adds the links to mentioned users"
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def add_user_links({subs, text}, mentions) do
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mentions =
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mentions
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|> Enum.sort_by(fn {name, _} -> -String.length(name) end)
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|> Enum.map(fn {name, user} -> {name, user, Ecto.UUID.generate()} end)
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uuid_text =
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mentions
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|> Enum.reduce(text, fn {match, _user, uuid}, text ->
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String.replace(text, match, uuid)
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end)
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subs =
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subs ++
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Enum.map(mentions, fn {match, %User{ap_id: ap_id, info: info}, uuid} ->
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ap_id = info["source_data"]["url"] || ap_id
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short_match = String.split(match, "@") |> tl() |> hd()
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{uuid,
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"<span><a class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
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end)
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{subs, uuid_text}
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end
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@doc "Adds the hashtag links"
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def add_hashtag_links({subs, text}, tags) do
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tags =
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tags
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|> Enum.sort_by(fn {name, _} -> -String.length(name) end)
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|> Enum.map(fn {name, short} -> {name, short, Ecto.UUID.generate()} end)
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uuid_text =
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tags
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|> Enum.reduce(text, fn {match, _short, uuid}, text ->
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String.replace(text, match, uuid)
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end)
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subs =
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subs ++
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Enum.map(tags, fn {tag_text, tag, uuid} ->
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url = "<a href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{tag_text}</a>"
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{uuid, url}
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end)
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{subs, uuid_text}
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end
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def finalize({subs, text}) do
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Enum.reduce(subs, text, fn {uuid, replacement}, result_text ->
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String.replace(result_text, uuid, replacement)
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end)
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end
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end
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