defmodule Pleroma.Formatter do
alias Pleroma.User
-
- @link_regex ~r/https?:\/\/[\w\.\/?=\-#]+[\w]/
- def linkify(text) do
- Regex.replace(@link_regex, text, "<a href='\\0'>\\0</a>")
- end
+ alias Pleroma.Web.MediaProxy
+ alias Pleroma.HTML
+ alias Pleroma.Emoji
@tag_regex ~r/\#\w+/u
- def parse_tags(text) do
+ def parse_tags(text, data \\ %{}) do
Regex.scan(@tag_regex, text)
- |> Enum.map(fn (["#" <> tag = full_tag]) -> {full_tag, tag} 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.!#$%&'*+\/=?^_`{|}~-]+@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/
+ regex =
+ ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[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)
+ |> 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 emojify(text) do
+ emojify(text, Emoji.get_all())
+ end
+
+ 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) when is_binary(text) do
+ Enum.filter(Emoji.get_all(), fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end)
+ end
+
+ def get_emoji(_), do: []
+
+ @link_regex ~r/[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+/ui
+
+ @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
+ HTML.filter_tags(text)
+ end
+
+ def html_escape(text, "text/plain") 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
+ links =
+ text
+ |> String.split([" ", "\t", "<br>"])
+ |> 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)
+
+ uuid_text =
+ links
+ |> Enum.reduce(text, fn {uuid, url}, acc -> String.replace(acc, url, uuid) end)
+
+ subs =
+ subs ++
+ Enum.map(links, fn {uuid, url} ->
+ {uuid, "<a href=\"#{url}\">#{url}</a>"}
+ 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{id: id, ap_id: ap_id, info: info}, uuid} ->
+ ap_id =
+ if is_binary(info.source_data["url"]) do
+ info.source_data["url"]
+ else
+ ap_id
+ end
+
+ short_match = String.split(match, "@") |> tl() |> hd()
+
+ {uuid,
+ "<span><a data-user='#{id}' 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 data-tag='#{tag}' 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
projects / akkoma / blobdiff