+
+ @link_regex ~r/https?:\/\/[\w\.\/?=\-#\+%&@~'\(\):]+[\w\/]/u
+
+ 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 http:... links to html links"
+ def add_links({subs, text}) do
+ links =
+ Regex.scan(@link_regex, text)
+ |> 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 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, uuid} ->
+ url = "<a href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>##{tag}</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