git.squeep.com Git - akkoma/blob - lib/pleroma/formatter.ex

   1 defmodule Pleroma.Formatter do
   2   alias Pleroma.User
   3   alias Pleroma.Web.MediaProxy
   4
   5   @link_regex ~r/https?:\/\/[\w\.\/?=\-#%&@~\(\)]+[\w\/]/u
   6   def linkify(text) do
   7     Regex.replace(@link_regex, text, "<a href='\\0'>\\0</a>")
   8   end
   9
  10   @tag_regex ~r/\#\w+/u
  11   def parse_tags(text, data \\ %{}) do
  12     Regex.scan(@tag_regex, text)
  13     |> Enum.map(fn (["#" <> tag = full_tag]) -> {full_tag, String.downcase(tag)} end)
  14     |> (fn map -> if data["sensitive"] in [true, "True", "true", "1"], do: [{"#nsfw", "nsfw"}] ++ map, else: map end).()
  15   end
  16
  17   def parse_mentions(text) do
  18     # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
  19     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
  20
  21     Regex.scan(regex, text)
  22     |> List.flatten
  23     |> Enum.uniq
  24     |> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
  25     |> Enum.filter(fn ({_match, user}) -> user end)
  26   end
  27
  28   def html_escape(text) do
  29     Regex.split(@link_regex, text, include_captures: true)
  30     |> Enum.map_every(2, fn chunk ->
  31       {:safe, part} = Phoenix.HTML.html_escape(chunk)
  32       part
  33     end)
  34     |> Enum.join("")
  35   end
  36
  37   @finmoji [
  38     "a_trusted_friend",
  39     "alandislands",
  40     "association",
  41     "auroraborealis",
  42     "baby_in_a_box",
  43     "bear",
  44     "black_gold",
  45     "christmasparty",
  46     "crosscountryskiing",
  47     "cupofcoffee",
  48     "education",
  49     "fashionista_finns",
  50     "finnishlove",
  51     "flag",
  52     "forest",
  53     "four_seasons_of_bbq",
  54     "girlpower",
  55     "handshake",
  56     "happiness",
  57     "headbanger",
  58     "icebreaker",
  59     "iceman",
  60     "joulutorttu",
  61     "kaamos",
  62     "kalsarikannit_f",
  63     "kalsarikannit_m",
  64     "karjalanpiirakka",
  65     "kicksled",
  66     "kokko",
  67     "lavatanssit",
  68     "losthopes_f",
  69     "losthopes_m",
  70     "mattinykanen",
  71     "meanwhileinfinland",
  72     "moominmamma",
  73     "nordicfamily",
  74     "out_of_office",
  75     "peacemaker",
  76     "perkele",
  77     "pesapallo",
  78     "polarbear",
  79     "pusa_hispida_saimensis",
  80     "reindeer",
  81     "sami",
  82     "sauna_f",
  83     "sauna_m",
  84     "sauna_whisk",
  85     "sisu",
  86     "stuck",
  87     "suomimainittu",
  88     "superfood",
  89     "swan",
  90     "the_cap",
  91     "the_conductor",
  92     "the_king",
  93     "the_voice",
  94     "theoriginalsanta",
  95     "tomoffinland",
  96     "torillatavataan",
  97     "unbreakable",
  98     "waiting",
  99     "white_nights",
 100     "woollysocks"
 101   ]
 102
 103   @finmoji_with_filenames Enum.map(@finmoji, fn (finmoji) ->
 104     {finmoji, "/finmoji/128px/#{finmoji}-128.png"}
 105   end)
 106
 107   @emoji_from_file (with {:ok, default} <- File.read("config/emoji.txt") do
 108                       custom =
 109                         with {:ok, custom} <- File.read("config/custom_emoji.txt") do
 110                           custom
 111                         else
 112                           _e -> ""
 113                         end
 114                       (default <> "\n" <> custom)
 115                       |> String.trim()
 116                       |> String.split(~r/\n+/)
 117                       |> Enum.map(fn(line) ->
 118                         [name, file] = String.split(line, ~r/,\s*/)
 119                         {name, file}
 120                      end)
 121                     else
 122                       _ -> []
 123                    end)
 124
 125   @emoji @finmoji_with_filenames ++ @emoji_from_file
 126
 127   def emojify(text, additional \\ nil) do
 128     all_emoji = if additional do
 129       Map.to_list(additional) ++ @emoji
 130     else
 131       @emoji
 132     end
 133
 134     Enum.reduce(all_emoji, text, fn ({emoji, file}, text) ->
 135       emoji = HtmlSanitizeEx.strip_tags(emoji)
 136       file = HtmlSanitizeEx.strip_tags(file)
 137       String.replace(text, ":#{emoji}:", "<img height='32px' width='32px' alt='#{emoji}' title='#{emoji}' src='#{MediaProxy.url(file)}' />")
 138     end)
 139   end
 140
 141   def get_emoji(text) do
 142     Enum.filter(@emoji, fn ({emoji, _}) -> String.contains?(text, ":#{emoji}:") end)
 143   end
 144
 145   def get_custom_emoji() do
 146     @emoji
 147   end
 148 end