From 501af917b5a9611a4b1fabb4944b3af96b676568 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Fri, 26 Apr 2019 10:17:57 +0000
Subject: [PATCH] add support for bbcode

---
 config/config.exs                             |  3 ++-
 lib/pleroma/web/common_api/utils.ex           | 12 ++++++++++++
 test/web/common_api/common_api_utils_test.exs | 16 ++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/config/config.exs b/config/config.exs
index a1cca06f8..1a9738cff 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -221,7 +221,8 @@
   allowed_post_formats: [
     "text/plain",
     "text/html",
-    "text/markdown"
+    "text/markdown",
+    "text/bbcode"
   ],
   mrf_transparency: true,
   autofollowed_nicknames: [],
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 887f878c4..1dfe50b40 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -182,6 +182,18 @@ def format_input(text, "text/plain", options) do
         end).()
   end
 
+  @doc """
+  Formatting text as BBCode.
+  """
+  def format_input(text, "text/bbcode", options) do
+    text
+    |> String.replace(~r/\r/, "")
+    |> Formatter.html_escape("text/plain")
+    |> BBCode.to_html()
+    |> (fn {:ok, html} -> html end).()
+    |> Formatter.linkify(options)
+  end
+
   @doc """
   Formatting text to html.
   """
diff --git a/test/web/common_api/common_api_utils_test.exs b/test/web/common_api/common_api_utils_test.exs
index 837a66063..df9955d5d 100644
--- a/test/web/common_api/common_api_utils_test.exs
+++ b/test/web/common_api/common_api_utils_test.exs
@@ -119,6 +119,22 @@ test "works for bare text/markdown" do
       assert output == expected
     end
 
+    test "works for bare text/bbcode" do
+      text = "[b]hello world[/b]"
+      expected = "<strong>hello world</strong>"
+
+      {output, [], []} = Utils.format_input(text, "text/bbcode")
+
+      assert output == expected
+
+      text = "[b]hello world![/b]\n\nsecond paragraph!"
+      expected = "<strong>hello world!</strong><br><br>second paragraph!"
+
+      {output, [], []} = Utils.format_input(text, "text/bbcode")
+
+      assert output == expected
+    end
+
     test "works for text/markdown with mentions" do
       {:ok, user} =
         UserBuilder.insert(%{nickname: "user__test", ap_id: "http://foo.com/user__test"})