sanitize input from html in glotpress

wp-content/plugins/cp-gp-sanitize/cp-gp-sanitize.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Plugin name: ClassicPress GlotPress Sanitize strings
+ * Description: Sanitize the strings content to strip specific HTML tags
+ * Version:     1.0
+ * Author:      ClassicPress.net
+ * Author URI:  http://classicpress.net
+ * License:     GPLv2 or later
+ */
+
+class CP_GP_Sanitize {
+
+	function __construct() {
+		add_action( 'gp_translation_prepare_for_save', array( $this, 'apply_sanitize' ), 2, 99999 );
+	}
+
+	function apply_sanitize( $args, $translation ) {
+		foreach ( range( 0, $translation->get_static( 'number_of_plural_translations' ) - 1 ) as $i ) {
+			if ( isset( $args[ "translation_$i" ] ) ) {
+				$temp = $this->sanitize( $args[ "translation_$i" ] );
+
+				if ( $args[ "translation_$i" ] !== $temp ) {
+					error_log(
+					    'Invalid translation by user ID ' . get_current_user_id() . ': '
+					    . json_encode( $args, JSON_UNESCAPED_SLASHES )
+					);
+				}
+
+				$args[ "translation_$i" ] = $temp;
+			}
+		}
+
+		return $args;
+	}
+
+	function sanitize( $text ) {
+        	return wp_kses_post( $text );
+	}
+
+}
+
+function cp_gp_sanitize() {
+	global $cp_gp_sanitize;
+
+	if ( ! isset( $cp_gp_sanitize ) ) {
+		$cp_gp_sanitize = new CP_GP_Sanitize();
+	}
+
+	return $cp_gp_sanitize;
+}
+
+add_action( 'plugins_loaded', 'cp_gp_sanitize' );