2 files changed, 15 insertions, 2 deletions
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index e3385310f..f01d36370 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.CommonAPI do
   alias Pleroma.{User, Repo, Activity, Object}
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Formatter
 
   import Pleroma.Web.CommonAPI.Utils
@@ -16,7 +17,8 @@ defmodule Pleroma.Web.CommonAPI do
 
   def repeat(id_or_ap_id, user) do
     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
-         object <- Object.normalize(activity.data["object"]["id"]) do
+         object <- Object.normalize(activity.data["object"]["id"]),
+         nil <- Utils.get_existing_announce(user.ap_id, object) do
       ActivityPub.announce(user, object)
     else
       _ ->
@@ -36,7 +38,8 @@ defmodule Pleroma.Web.CommonAPI do
 
   def favorite(id_or_ap_id, user) do
     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
-         object <- Object.normalize(activity.data["object"]["id"]) do
+         object <- Object.normalize(activity.data["object"]["id"]),
+         nil <- Utils.get_existing_like(user.ap_id, object) do
       ActivityPub.like(user, object)
     else
       _ ->
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index ce0926b99..142283684 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -112,6 +112,9 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     Enum.join([text | attachment_text], "<br>")
   end
 
+  @doc """
+  Formatting text to plain text.
+  """
   def format_input(text, mentions, tags, "text/plain") do
     text
     |> Formatter.html_escape("text/plain")
@@ -123,6 +126,9 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     |> Formatter.finalize()
   end
 
+  @doc """
+  Formatting text to html.
+  """
   def format_input(text, mentions, _tags, "text/html") do
     text
     |> Formatter.html_escape("text/html")
@@ -132,8 +138,12 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     |> Formatter.finalize()
   end
 
+  @doc """
+  Formatting text to markdown.
+  """
   def format_input(text, mentions, tags, "text/markdown") do
     text
+    |> Formatter.mentions_escape(mentions)
     |> Earmark.as_html!()
     |> Formatter.html_escape("text/html")
     |> String.replace(~r/\r?\n/, "")