Merge branch 'fix/linkify' into 'develop'

Fix links with HTML elements and/or parentheses.

See merge request pleroma/pleroma!38

lib/pleroma/formatter.ex

 defmodule Pleroma.Formatter do
   alias Pleroma.User
 
-  @link_regex ~r/https?:\/\/[\w\.\/?=\-#%&@~]+[\w\/]/u
+  @link_regex ~r/https?:\/\/[\w\.\/?=\-#%&@~\(\)]+[\w\/]/u
   def linkify(text) do
     Regex.replace(@link_regex, text, "<a href='\\0'>\\0</a>")
   end
@@ -24,6 +24,15 @@ defmodule Pleroma.Formatter do
     |> Enum.filter(fn ({_match, user}) -> user end)
   end
 
+  def html_escape(text) do
+    Regex.split(@link_regex, text, include_captures: true)
+    |> Enum.map_every(2, fn chunk ->
+      {:safe, part} = Phoenix.HTML.html_escape(chunk)
+      part
+    end)
+    |> Enum.join("")
+  end
+
   @finmoji [
     "a_trusted_friend",
     "alandislands",

lib/pleroma/web/common_api/utils.ex

@@ -62,8 +62,8 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   end
 
   def format_input(text, mentions, _tags) do
-    Phoenix.HTML.html_escape(text)
-    |> elem(1)
+    text
+    |> Formatter.html_escape
     |> Formatter.linkify
     |> String.replace("\n", "<br>")
     |> add_user_links(mentions)

test/formatter_test.exs

@@ -25,6 +25,16 @@ defmodule Pleroma.FormatterTest do
       expected = "<a href='http://www.cs.vu.nl/~ast/intel/'>http://www.cs.vu.nl/~ast/intel/</a>"
 
       assert Formatter.linkify(text) == expected
+
+      text = "https://forum.zdoom.org/viewtopic.php?f=44&t=57087"
+      expected = "<a href='https://forum.zdoom.org/viewtopic.php?f=44&t=57087'>https://forum.zdoom.org/viewtopic.php?f=44&t=57087</a>"
+
+      assert Formatter.linkify(text) == expected
+
+      text = "https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul"
+      expected = "<a href='https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul'>https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul</a>"
+
+      assert Formatter.linkify(text) == expected
     end
   end