1 defmodule Pleroma.Formatter do
3 alias Pleroma.Web.MediaProxy
6 def parse_tags(text, data \\ %{}) do
7 Regex.scan(@tag_regex, text)
8 |> Enum.map(fn (["#" <> tag = full_tag]) -> {full_tag, String.downcase(tag)} end)
9 |> (fn map -> if data["sensitive"] in [true, "True", "true", "1"], do: [{"#nsfw", "nsfw"}] ++ map, else: map end).()
12 def parse_mentions(text) do
13 # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
14 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
16 Regex.scan(regex, text)
19 |> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
20 |> Enum.filter(fn ({_match, user}) -> user end)
39 "four_seasons_of_bbq",
65 "pusa_hispida_saimensis",
89 @finmoji_with_filenames Enum.map(@finmoji, fn (finmoji) ->
90 {finmoji, "/finmoji/128px/#{finmoji}-128.png"}
93 @emoji_from_file (with {:ok, default} <- File.read("config/emoji.txt") do
95 with {:ok, custom} <- File.read("config/custom_emoji.txt") do
100 (default <> "\n" <> custom)
102 |> String.split(~r/\n+/)
103 |> Enum.map(fn(line) ->
104 [name, file] = String.split(line, ~r/,\s*/)
111 @emoji @finmoji_with_filenames ++ @emoji_from_file
113 def emojify(text, emoji \\ @emoji)
114 def emojify(text, nil), do: text
115 def emojify(text, emoji) do
116 Enum.reduce(emoji, text, fn ({emoji, file}, text) ->
117 emoji = HtmlSanitizeEx.strip_tags(emoji)
118 file = HtmlSanitizeEx.strip_tags(file)
119 String.replace(text, ":#{emoji}:", "<img height='32px' width='32px' alt='#{emoji}' title='#{emoji}' src='#{MediaProxy.url(file)}' />")
123 def get_emoji(text) do
124 Enum.filter(@emoji, fn ({emoji, _}) -> String.contains?(text, ":#{emoji}:") end)
127 def get_custom_emoji() do
131 @link_regex ~r/https?:\/\/[\w\.\/?=\-#%&@~\(\)]+[\w\/]/u
133 def html_escape(text) do
134 Regex.split(@link_regex, text, include_captures: true)
135 |> Enum.map_every(2, fn chunk ->
136 {:safe, part} = Phoenix.HTML.html_escape(chunk)
142 @doc "changes http:... links to html links"
143 def add_links({subs, text}) do
144 links = Regex.scan(@link_regex, text)
145 |> Enum.map(fn ([url]) -> {Ecto.UUID.generate, url} end)
148 |> Enum.reduce(text, fn({uuid, url}, acc) -> String.replace(acc, url, uuid) end)
150 subs = subs ++ Enum.map(links, fn({uuid, url}) ->
151 {uuid, "<a href='#{url}'>#{url}</a>"}
157 @doc "Adds the links to mentioned users"
158 def add_user_links({subs, text}, mentions) do
160 |> Enum.sort_by(fn ({name, _}) -> -String.length(name) end)
161 |> Enum.map(fn({name, user}) -> {name, user, Ecto.UUID.generate} end)
164 |> Enum.reduce(text, fn ({match, _user, uuid}, text) ->
165 String.replace(text, match, uuid)
168 subs = subs ++ Enum.map(mentions, fn ({match, %User{ap_id: ap_id}, uuid}) ->
169 short_match = String.split(match, "@") |> tl() |> hd()
170 {uuid, "<span><a href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
176 @doc "Adds the hashtag links"
177 def add_hashtag_links({subs, text}, tags) do
179 |> Enum.sort_by(fn ({name, _}) -> -String.length(name) end)
180 |> Enum.map(fn({name, short}) -> {name, short, Ecto.UUID.generate} end)
183 |> Enum.reduce(text, fn ({match, _short, uuid}, text) ->
184 String.replace(text, match, uuid)
187 subs = subs ++ Enum.map(tags, fn ({_, tag, uuid}) ->
188 url = "<a href='#{Pleroma.Web.base_url}/tag/#{tag}' rel='tag'>##{tag}</a>"
195 def finalize({subs, text}) do
196 Enum.reduce(subs, text, fn({uuid, replacement}, result_text) ->
197 String.replace(result_text, uuid, replacement)