X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fformatter.ex;h=f31aafa0dbd3f530a767619f5b81cc39751a4542;hb=6c8d15da110e86f799052c82df8b7b2404f8f722;hp=ecc102b6227cb6403d99e5f8364c0b38aed1703d;hpb=ae5beb7b6464d9bc4532693987d9d94cd5bac6bd;p=akkoma diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex index ecc102b62..f31aafa0d 100644 --- a/lib/pleroma/formatter.ex +++ b/lib/pleroma/formatter.ex @@ -1,12 +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 - @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.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9_-](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u + def parse_tags(text, data \\ %{}) do Regex.scan(@tag_regex, text) - |> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end) + |> Enum.map(fn ["#" <> tag = full_tag | _] -> {full_tag, String.downcase(tag)} end) |> (fn map -> if data["sensitive"] in [true, "True", "true", "1"], do: [{"#nsfw", "nsfw"}] ++ map, @@ -14,142 +24,26 @@ defmodule Pleroma.Formatter do end).() end + @doc "Parses mentions text and returns list {nickname, user}." + @spec parse_mentions(binary()) :: list({binary(), User.t()}) def parse_mentions(text) do - # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address - regex = - ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[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 - @finmoji [ - "a_trusted_friend", - "alandislands", - "association", - "auroraborealis", - "baby_in_a_box", - "bear", - "black_gold", - "christmasparty", - "crosscountryskiing", - "cupofcoffee", - "education", - "fashionista_finns", - "finnishlove", - "flag", - "forest", - "four_seasons_of_bbq", - "girlpower", - "handshake", - "happiness", - "headbanger", - "icebreaker", - "iceman", - "joulutorttu", - "kaamos", - "kalsarikannit_f", - "kalsarikannit_m", - "karjalanpiirakka", - "kicksled", - "kokko", - "lavatanssit", - "losthopes_f", - "losthopes_m", - "mattinykanen", - "meanwhileinfinland", - "moominmamma", - "nordicfamily", - "out_of_office", - "peacemaker", - "perkele", - "pesapallo", - "polarbear", - "pusa_hispida_saimensis", - "reindeer", - "sami", - "sauna_f", - "sauna_m", - "sauna_whisk", - "sisu", - "stuck", - "suomimainittu", - "superfood", - "swan", - "the_cap", - "the_conductor", - "the_king", - "the_voice", - "theoriginalsanta", - "tomoffinland", - "torillatavataan", - "unbreakable", - "waiting", - "white_nights", - "woollysocks" - ] - - @instance Application.get_env(:pleroma, :instance) - - @finmoji_with_filenames (if Keyword.get(@instance, :finmoji_enabled) do - Enum.map(@finmoji, fn finmoji -> - {finmoji, "/finmoji/128px/#{finmoji}-128.png"} - end) - else - [] - end) - - @emoji_from_file (with {:ok, default} <- File.read("config/emoji.txt") do - custom = - with {:ok, custom} <- File.read("config/custom_emoji.txt") do - custom - else - _e -> "" - end - - (default <> "\n" <> custom) - |> String.trim() - |> String.split(~r/\n+/) - |> Enum.map(fn line -> - [name, file] = String.split(line, ~r/,\s*/) - {name, file} - end) - else - _ -> [] - end) - - @emoji_from_globs ( - static_path = Path.join(:code.priv_dir(:pleroma), "static") - - globs = - Application.get_env(:pleroma, :emoji, []) - |> Keyword.get(:shortcode_globs, []) - - paths = - Enum.map(globs, fn glob -> - Path.join(static_path, glob) - |> Path.wildcard() - end) - |> Enum.concat() - - Enum.map(paths, fn path -> - shortcode = Path.basename(path, Path.extname(path)) - external_path = Path.join("/", Path.relative_to(path, static_path)) - {shortcode, external_path} - end) - ) - - @emoji @finmoji_with_filenames ++ @emoji_from_globs ++ @emoji_from_file - - def emojify(text, emoji \\ @emoji) + def emojify(text) do + emojify(text, Emoji.get_all()) + end + 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) @@ -157,24 +51,30 @@ defmodule Pleroma.Formatter do String.replace( text, ":#{emoji}:", - "#{emoji}" + if not strip do + "#{emoji}" + else + "" + end ) |> HTML.filter_tags() end) end - def get_emoji(text) when is_binary(text) do - Enum.filter(@emoji, fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end) + def demojify(text) do + emojify(text, Emoji.get_all(), true) end - def get_emoji(_), do: [] + def demojify(text, nil), do: text - def get_custom_emoji() do - @emoji + def get_emoji(text) when is_binary(text) do + Enum.filter(Emoji.get_all(), fn {emoji, _} -> String.contains?(text, ":#{emoji}:") end) end + def get_emoji(_), do: [] + @link_regex ~r/[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+/ui @uri_schemes Application.get_env(:pleroma, :uri_schemes, []) @@ -194,6 +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 = @@ -218,7 +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) @@ -232,18 +144,24 @@ defmodule Pleroma.Formatter do subs = subs ++ - Enum.map(mentions, fn {match, %User{ap_id: ap_id, info: info}, uuid} -> + Enum.map(mentions, fn {match, %User{id: id, ap_id: ap_id, info: info}, uuid} -> ap_id = - if is_binary(info["source_data"]["url"]) do - info["source_data"]["url"] + if is_binary(info.source_data["url"]) do + info.source_data["url"] else 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} @@ -259,13 +177,17 @@ 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 = "" + url = + "" + {uuid, url} end) @@ -277,4 +199,16 @@ defmodule Pleroma.Formatter do String.replace(result_text, uuid, replacement) end) end + + def truncate(text, max_length \\ 200, omission \\ "...") do + # Remove trailing whitespace + text = Regex.replace(~r/([^ \t\r\n])([ \t]+$)/u, text, "\\g{1}") + + 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