From 913484817076bf5ca4bdbe7c3c1ff34f7debd3e5 Mon Sep 17 00:00:00 2001
From: Sergey Suprunenko <suprunenko.s@gmail.com>
Date: Wed, 22 May 2019 04:04:20 +0000
Subject: [PATCH] Do not truncate DM when it contains newlines and
 safe_dm_mentions is set to true

---
 lib/pleroma/formatter.ex | 2 +-
 test/formatter_test.exs  | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 3d7c36d21..3e3b9fe97 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -8,7 +8,7 @@ defmodule Pleroma.Formatter do
   alias Pleroma.User
   alias Pleroma.Web.MediaProxy
 
-  @safe_mention_regex ~r/^(\s*(?<mentions>@.+?\s+)+)(?<rest>.*)/
+  @safe_mention_regex ~r/^(\s*(?<mentions>@.+?\s+)+)(?<rest>.*)/s
   @link_regex ~r"((?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~%:/?#[\]@!\$&'\(\)\*\+,;=.]+)|[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+"ui
   @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
 
diff --git a/test/formatter_test.exs b/test/formatter_test.exs
index 5e7011160..47b91b121 100644
--- a/test/formatter_test.exs
+++ b/test/formatter_test.exs
@@ -206,6 +206,15 @@ defmodule Pleroma.FormatterTest do
       assert mentions == []
       assert expected_text == text
     end
+
+    test "given the 'safe_mention' option, it will keep text after newlines" do
+      user = insert(:user)
+      text = " @#{user.nickname}\n hey dude\n\nhow are you doing?"
+
+      {expected_text, _, _} = Formatter.linkify(text, safe_mention: true)
+
+      assert expected_text =~ "how are you doing?"
+    end
   end
 
   describe ".parse_tags" do