X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;ds=inline;f=lib%2Fpleroma%2Fformatter.ex;h=f31aafa0dbd3f530a767619f5b81cc39751a4542;hb=7456338ed3d0b36327c3f9b153630d36cd044bb9;hp=1d5dc0c99c7411e88a36e3b83940cde8f3809f84;hpb=b5de7c4c4d90d1049b59381953cbd76e79b77e66;p=akkoma
diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 1d5dc0c99..f31aafa0d 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -1,13 +1,22 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Formatter do
+ alias Pleroma.Emoji
+ alias Pleroma.HTML
alias Pleroma.User
alias Pleroma.Web.MediaProxy
- alias Pleroma.HTML
- alias Pleroma.Emoji
- @tag_regex ~r/\#\w+/u
+ @tag_regex ~r/((?<=[^&])|\A)(\#)(\w+)/u
+ @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
+
+ # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
+ @mentions_regex ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9_-](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
+
def parse_tags(text, data \\ %{}) do
Regex.scan(@tag_regex, text)
- |> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end)
+ |> Enum.map(fn ["#" <> tag = full_tag | _] -> {full_tag, String.downcase(tag)} end)
|> (fn map ->
if data["sensitive"] in [true, "True", "true", "1"],
do: [{"#nsfw", "nsfw"}] ++ map,
@@ -15,16 +24,15 @@ defmodule Pleroma.Formatter do
end).()
end
+ @doc "Parses mentions text and returns list {nickname, user}."
+ @spec parse_mentions(binary()) :: list({binary(), User.t()})
def parse_mentions(text) do
- # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
- regex =
- ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[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])?)*/u
-
- Regex.scan(regex, text)
+ Regex.scan(@mentions_regex, text)
|> List.flatten()
|> Enum.uniq()
- |> Enum.map(fn "@" <> match = full_match ->
- {full_match, User.get_cached_by_nickname(match)}
+ |> Enum.map(fn nickname ->
+ with nickname <- String.trim_leading(nickname, "@"),
+ do: {"@" <> nickname, User.get_cached_by_nickname(nickname)}
end)
|> Enum.filter(fn {_match, user} -> user end)
end
@@ -35,7 +43,7 @@ defmodule Pleroma.Formatter do
def emojify(text, nil), do: text
- def emojify(text, emoji) do
+ def emojify(text, emoji, strip \\ false) do
Enum.reduce(emoji, text, fn {emoji, file}, text ->
emoji = HTML.strip_tags(emoji)
file = HTML.strip_tags(file)
@@ -43,14 +51,24 @@ defmodule Pleroma.Formatter do
String.replace(
text,
":#{emoji}:",
- "
"
+ if not strip do
+ "
"
+ else
+ ""
+ end
)
|> HTML.filter_tags()
end)
end
+ def demojify(text) do
+ emojify(text, Emoji.get_all(), true)
+ end
+
+ def demojify(text, nil), do: text
+
def get_emoji(text) when is_binary(text) do
Enum.filter(Emoji.get_all(), fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end)
end
@@ -76,6 +94,18 @@ defmodule Pleroma.Formatter do
|> Enum.join("")
end
+ @doc """
+ Escapes a special characters in mention names.
+ """
+ @spec mentions_escape(String.t(), list({String.t(), any()})) :: String.t()
+ def mentions_escape(text, mentions) do
+ mentions
+ |> Enum.reduce(text, fn {name, _}, acc ->
+ escape_name = String.replace(name, @markdown_characters_regex, "\\\\\\1")
+ String.replace(acc, name, escape_name)
+ end)
+ end
+
@doc "changes scheme:... urls to html links"
def add_links({subs, text}) do
links =
@@ -100,7 +130,7 @@ defmodule Pleroma.Formatter do
end
@doc "Adds the links to mentioned users"
- def add_user_links({subs, text}, mentions) do
+ def add_user_links({subs, text}, mentions, options \\ []) do
mentions =
mentions
|> Enum.sort_by(fn {name, _} -> -String.length(name) end)
@@ -122,10 +152,16 @@ defmodule Pleroma.Formatter do
ap_id
end
- short_match = String.split(match, "@") |> tl() |> hd()
+ nickname =
+ if options[:format] == :full do
+ User.full_nickname(match)
+ else
+ User.local_nickname(match)
+ end
{uuid,
- "@#{short_match}"}
+ "" <>
+ "@#{nickname}"}
end)
{subs, uuid_text}
@@ -141,14 +177,14 @@ defmodule Pleroma.Formatter do
uuid_text =
tags
|> Enum.reduce(text, fn {match, _short, uuid}, text ->
- String.replace(text, match, uuid)
+ String.replace(text, ~r/((?<=[^&])|(\A))#{match}/, uuid)
end)
subs =
subs ++
Enum.map(tags, fn {tag_text, tag, uuid} ->
url =
- "#{
+ "#{
tag_text
}"
@@ -164,21 +200,15 @@ defmodule Pleroma.Formatter do
end)
end
- def truncate(text, opts \\ []) do
- max_length = opts[:max_length] || 200
- omission = opts[:omission] || "..."
-
- cond do
- not String.valid?(text) ->
- text
-
- String.length(text) < max_length ->
- text
+ def truncate(text, max_length \\ 200, omission \\ "...") do
+ # Remove trailing whitespace
+ text = Regex.replace(~r/([^ \t\r\n])([ \t]+$)/u, text, "\\g{1}")
- true ->
- length_with_omission = max_length - String.length(omission)
-
- "#{String.slice(text, 0, length_with_omission)}#{omission}"
+ if String.length(text) < max_length do
+ text
+ else
+ length_with_omission = max_length - String.length(omission)
+ String.slice(text, 0, length_with_omission) <> omission
end
end
end