+ Enum.filter(@emoji, fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end)
+ end
+
+ 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)