defmodule Pleroma.Formatter do
alias Pleroma.User
alias Pleroma.Web.MediaProxy
-
- @link_regex ~r/https?:\/\/[\w\.\/?=\-#%&@~\(\)]+[\w\/]/u
- def linkify(text) do
- Regex.replace(@link_regex, text, "<a href='\\0'>\\0</a>")
- end
+ alias Pleroma.HTML
@tag_regex ~r/\#\w+/u
def parse_tags(text, data \\ %{}) do
Regex.scan(@tag_regex, text)
- |> Enum.map(fn (["#" <> tag = full_tag]) -> {full_tag, String.downcase(tag)} end)
- |> (fn map -> if data["sensitive"] in [true, "True", "true", "1"], do: [{"#nsfw", "nsfw"}] ++ map, else: map end).()
+ |> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end)
+ |> (fn map ->
+ if data["sensitive"] in [true, "True", "true", "1"],
+ do: [{"#nsfw", "nsfw"}] ++ map,
+ else: map
+ end).()
end
def parse_mentions(text) do
# Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
- regex = ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
+ regex =
+ ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[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
Regex.scan(regex, text)
- |> List.flatten
- |> Enum.uniq
- |> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
- |> Enum.filter(fn ({_match, user}) -> user end)
- end
-
- def html_escape(text) do
- Regex.split(@link_regex, text, include_captures: true)
- |> Enum.map_every(2, fn chunk ->
- {:safe, part} = Phoenix.HTML.html_escape(chunk)
- part
+ |> List.flatten()
+ |> Enum.uniq()
+ |> Enum.map(fn "@" <> match = full_match ->
+ {full_match, User.get_cached_by_nickname(match)}
end)
- |> Enum.join("")
+ |> Enum.filter(fn {_match, user} -> user end)
end
@finmoji [
"woollysocks"
]
- @finmoji_with_filenames Enum.map(@finmoji, fn (finmoji) ->
- {finmoji, "/finmoji/128px/#{finmoji}-128.png"}
- end)
-
- @emoji_from_file (with {:ok, file} <- File.read("config/emoji.txt") do
- file
- |> String.trim
- |> String.split("\n")
- |> Enum.map(fn(line) ->
- [name, file] = String.split(line, ", ")
- {name, file}
- end)
+ @finmoji_with_filenames Enum.map(@finmoji, fn finmoji ->
+ {finmoji, "/finmoji/128px/#{finmoji}-128.png"}
+ end)
+
+ @emoji_from_file (with {:ok, default} <- File.read("config/emoji.txt") do
+ custom =
+ with {:ok, custom} <- File.read("config/custom_emoji.txt") do
+ custom
+ else
+ _e -> ""
+ end
+
+ (default <> "\n" <> custom)
+ |> String.trim()
+ |> String.split(~r/\n+/)
+ |> Enum.map(fn line ->
+ [name, file] = String.split(line, ~r/,\s*/)
+ {name, file}
+ end)
else
_ -> []
- end)
+ end)
+
+ @emoji_from_globs (
+ static_path = Path.join(:code.priv_dir(:pleroma), "static")
+
+ globs =
+ Application.get_env(:pleroma, :emoji, [])
+ |> Keyword.get(:shortcode_globs, [])
- @emoji @finmoji_with_filenames ++ @emoji_from_file
+ paths =
+ Enum.map(globs, fn glob ->
+ Path.join(static_path, glob)
+ |> Path.wildcard()
+ end)
+ |> Enum.concat()
- def emojify(text, additional \\ nil) do
- all_emoji = if additional do
- Map.to_list(additional) ++ @emoji
- else
- @emoji
- end
+ Enum.map(paths, fn path ->
+ shortcode = Path.basename(path, Path.extname(path))
+ external_path = Path.join("/", Path.relative_to(path, static_path))
+ {shortcode, external_path}
+ end)
+ )
- Enum.reduce(all_emoji, text, fn ({emoji, file}, text) ->
- String.replace(text, ":#{emoji}:", "<img height='32px' width='32px' alt='#{emoji}' title='#{emoji}' src='#{MediaProxy.url(file)}' />")
+ @emoji @finmoji_with_filenames ++ @emoji_from_globs ++ @emoji_from_file
+
+ def emojify(text, emoji \\ @emoji)
+ def emojify(text, nil), do: text
+
+ def emojify(text, emoji) do
+ Enum.reduce(emoji, text, fn {emoji, file}, text ->
+ emoji = HTML.strip_tags(emoji)
+ file = HTML.strip_tags(file)
+
+ String.replace(
+ text,
+ ":#{emoji}:",
+ "<img height='32px' width='32px' alt='#{emoji}' title='#{emoji}' src='#{
+ MediaProxy.url(file)
+ }' />"
+ )
+ |> HTML.filter_tags()
end)
end
- def get_emoji(text) do
- Enum.filter(@emoji, fn ({emoji, _}) -> String.contains?(text, ":#{emoji}:") end)
+ def get_emoji(text) when is_binary(text) do
+ Enum.filter(@emoji, fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end)
end
+ def get_emoji(_), do: []
+
def get_custom_emoji() do
@emoji
end
+
+ @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:"
+ ]
+
+ # TODO: make it use something other than @link_regex
+ def html_escape(text) do
+ Regex.split(@link_regex, text, include_captures: true)
+ |> Enum.map_every(2, fn chunk ->
+ {:safe, part} = Phoenix.HTML.html_escape(chunk)
+ part
+ end)
+ |> Enum.join("")
+ end
+
+ @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 -> Regex.match?(@link_regex, word) end)
+ |> Enum.map(fn url -> {Ecto.UUID.generate(), url} end)
+ |> Enum.sort_by(fn {_, url} -> -String.length(url) end)
+
+ uuid_text =
+ links
+ |> Enum.reduce(text, fn {uuid, url}, acc -> String.replace(acc, url, uuid) end)
+
+ subs =
+ subs ++
+ Enum.map(links, fn {uuid, url} ->
+ {:safe, link} = Phoenix.HTML.Link.link(url, to: url)
+
+ link =
+ link
+ |> IO.iodata_to_binary()
+
+ {uuid, link}
+ end)
+
+ {subs, uuid_text}
+ end
+
+ @doc "Adds the links to mentioned users"
+ def add_user_links({subs, text}, mentions) do
+ mentions =
+ mentions
+ |> Enum.sort_by(fn {name, _} -> -String.length(name) end)
+ |> Enum.map(fn {name, user} -> {name, user, Ecto.UUID.generate()} end)
+
+ uuid_text =
+ mentions
+ |> Enum.reduce(text, fn {match, _user, uuid}, text ->
+ String.replace(text, match, uuid)
+ end)
+
+ subs =
+ subs ++
+ Enum.map(mentions, fn {match, %User{ap_id: ap_id, info: info}, uuid} ->
+ ap_id = info["source_data"]["url"] || ap_id
+
+ short_match = String.split(match, "@") |> tl() |> hd()
+
+ {uuid,
+ "<span><a class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
+ end)
+
+ {subs, uuid_text}
+ end
+
+ @doc "Adds the hashtag links"
+ def add_hashtag_links({subs, text}, tags) do
+ tags =
+ tags
+ |> Enum.sort_by(fn {name, _} -> -String.length(name) end)
+ |> Enum.map(fn {name, short} -> {name, short, Ecto.UUID.generate()} end)
+
+ uuid_text =
+ tags
+ |> Enum.reduce(text, fn {match, _short, uuid}, text ->
+ String.replace(text, match, uuid)
+ end)
+
+ subs =
+ subs ++
+ Enum.map(tags, fn {tag_text, tag, uuid} ->
+ url = "<a href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{tag_text}</a>"
+ {uuid, url}
+ end)
+
+ {subs, uuid_text}
+ end
+
+ def finalize({subs, text}) do
+ Enum.reduce(subs, text, fn {uuid, replacement}, result_text ->
+ String.replace(result_text, uuid, replacement)
+ end)
+ end
end