From d5091c3175786e5bcb0449f26cafe1795fd5f5d9 Mon Sep 17 00:00:00 2001
From: "Haelwenn (lanodan) Monnier" <contact@hacktivis.me>
Date: Mon, 30 Jul 2018 21:59:04 +0200
Subject: [PATCH] Allow additionnal schemes in the config

---
 config/config.exs        | 2 ++
 lib/pleroma/formatter.ex | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/config/config.exs b/config/config.exs
index 3a7301348..ef5bcd65c 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -16,6 +16,8 @@
 
 config :pleroma, :emoji, shortcode_globs: ["/emoji/custom/**/*.png"]
 
+config :pleroma, :uri_schemes, additionnal_schemes: []
+
 # Configures the endpoint
 config :pleroma, Pleroma.Web.Endpoint,
   url: [host: "localhost"],
diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index fe3da09ac..e15c08fd6 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -199,10 +199,14 @@ def html_escape(text) do
 
   @doc "changes scheme:... urls to html links"
   def add_links({subs, text}) do
+    additionnal_schemes =
+      Application.get_env(:pleroma, :uri_schemes, [])
+      |> Keyword.get(:additionnal_schemes, [])
+
     links =
       text
       |> String.split([" ", "\t", "<br>"])
-      |> Enum.filter(fn word -> String.starts_with?(word, @uri_schemes) end)
+      |> Enum.filter(fn word -> String.starts_with?(word, @uri_schemes ++ additionnal_schemes) end)
       |> Enum.filter(fn word -> Regex.match?(@link_regex, word) end)
       |> Enum.map(fn url -> {Ecto.UUID.generate(), url} end)
       |> Enum.sort_by(fn {_, url} -> -String.length(url) end)