Merge branch 'fix/masto-put-settings' into 'develop'

[akkoma] / lib / pleroma / formatter.ex

diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 1a5c07c8a61e73edba5ac88297090fd69aa28cbe..46d0d926a814b2177c4aeefff7cc79e37b8f74e6 100644 (file)
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -5,6 +5,8 @@ defmodule Pleroma.Formatter do
   alias Pleroma.Emoji
 
   @tag_regex ~r/\#\w+/u
+  @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
+
   def parse_tags(text, data \\ %{}) do
     Regex.scan(@tag_regex, text)
     |> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end)
@@ -18,7 +20,7 @@ defmodule Pleroma.Formatter do
   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.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
+      ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[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)
     |> List.flatten()
@@ -76,6 +78,18 @@ 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 =
@@ -114,7 +128,7 @@ 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"]
@@ -125,7 +139,7 @@ defmodule Pleroma.Formatter do
           short_match = String.split(match, "@") |> tl() |> hd()
 
           {uuid,
-           "<span><a class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
+           "<span><a data-user='#{id}' class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
         end)
 
     {subs, uuid_text}
@@ -147,7 +161,11 @@ defmodule Pleroma.Formatter do
     subs =
       subs ++
         Enum.map(tags, fn {tag_text, tag, uuid} ->
-          url = "<a href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{tag_text}</a>"
+          url =
+            "<a data-tag='#{tag}' href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{
+              tag_text
+            }</a>"
+
           {uuid, url}
         end)