diff --git a/src/ajax/addpersontocompany.php b/src/ajax/addpersontocompany.php
index fb5d3c3..903fdb0 100644
--- a/src/ajax/addpersontocompany.php
+++ b/src/ajax/addpersontocompany.php
@@ -1,4 +1,23 @@
 <?php
+/*
+ * hores
+ * Copyright (c) 2023 Adrià Vilanova Martínez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.
+ * If not, see http://www.gnu.org/licenses/.
+ */
+
 require_once(__DIR__."/../core.php");
 security::checkType(security::ADMIN, security::METHOD_NOTFOUND);
 
diff --git a/src/ajax/addsecuritykey.php b/src/ajax/addsecuritykey.php
index 9a98fd0..db914ab 100644
--- a/src/ajax/addsecuritykey.php
+++ b/src/ajax/addsecuritykey.php
@@ -1,4 +1,23 @@
 <?php
+/*
+ * hores
+ * Copyright (c) 2023 Adrià Vilanova Martínez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.
+ * If not, see http://www.gnu.org/licenses/.
+ */
+
 require_once(__DIR__."/../core.php");
 security::checkType(security::WORKER, security::METHOD_NOTFOUND);
 secondFactor::checkAvailability();
diff --git a/src/ajax/addsecuritykey2.php b/src/ajax/addsecuritykey2.php
index 7818a11..90b3cab 100644
--- a/src/ajax/addsecuritykey2.php
+++ b/src/ajax/addsecuritykey2.php
@@ -1,4 +1,23 @@
 <?php
+/*
+ * hores
+ * Copyright (c) 2023 Adrià Vilanova Martínez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.
+ * If not, see http://www.gnu.org/licenses/.
+ */
+
 require_once(__DIR__."/../core.php");
 security::checkType(security::WORKER, security::METHOD_NOTFOUND);
 secondFactor::checkAvailability();
diff --git a/src/ajax/completewebauthnauthentication.php b/src/ajax/completewebauthnauthentication.php
index 8996d42..94e3a05 100644
--- a/src/ajax/completewebauthnauthentication.php
+++ b/src/ajax/completewebauthnauthentication.php
@@ -1,4 +1,23 @@
 <?php
+/*
+ * hores
+ * Copyright (c) 2023 Adrià Vilanova Martínez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.
+ * If not, see http://www.gnu.org/licenses/.
+ */
+
 require_once(__DIR__."/../core.php");
 
 if (!secondFactor::isAvailable() || security::userType() !== security::UNKNOWN || !isset($_SESSION["firstfactorid"]) || !secondFactor::isEnabled($_SESSION["firstfactorid"]) || !secondFactor::hasSecurityKeys($_SESSION["firstfactorid"]) || $_SERVER['REQUEST_METHOD'] !== "POST") {
diff --git a/src/ajax/startwebauthnauthentication.php b/src/ajax/startwebauthnauthentication.php
index 7dd504e..d501ef7 100644
--- a/src/ajax/startwebauthnauthentication.php
+++ b/src/ajax/startwebauthnauthentication.php
@@ -1,4 +1,23 @@
 <?php
+/*
+ * hores
+ * Copyright (c) 2023 Adrià Vilanova Martínez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.
+ * If not, see http://www.gnu.org/licenses/.
+ */
+
 require_once(__DIR__."/../core.php");
 
 if (!secondFactor::isAvailable() || security::userType() !== security::UNKNOWN || !isset($_SESSION["firstfactorid"]) || !secondFactor::isEnabled($_SESSION["firstfactorid"]) || !secondFactor::hasSecurityKeys($_SESSION["firstfactorid"]) || $_SERVER['REQUEST_METHOD'] !== "POST") {
diff --git a/src/ajax/verifysecuritycode.php b/src/ajax/verifysecuritycode.php
index 9e5899e..a47ee03 100644
--- a/src/ajax/verifysecuritycode.php
+++ b/src/ajax/verifysecuritycode.php
@@ -1,4 +1,23 @@
 <?php
+/*
+ * hores
+ * Copyright (c) 2023 Adrià Vilanova Martínez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.
+ * If not, see http://www.gnu.org/licenses/.
+ */
+
 require_once(__DIR__."/../core.php");
 
 if (!secondFactor::isAvailable() || security::userType() !== security::UNKNOWN || !isset($_SESSION["firstfactorid"]) || !secondFactor::isEnabled($_SESSION["firstfactorid"])) {