1 files changed, 58 insertions, 0 deletions
diff --git a/plugins/UsersManager/Validators/Email.php b/plugins/UsersManager/Validators/Email.php
new file mode 100644
index 0000000000..98ed633747
--- /dev/null
+++ b/plugins/UsersManager/Validators/Email.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Matomo - free/libre analytics platform
+ *
+ * @link https://matomo.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Plugins\UsersManager\Validators;
+
+use Piwik\Piwik;
+use Piwik\Plugins\UsersManager\API as APIUsersManager;
+use Piwik\Validators\BaseValidator;
+use Piwik\Validators\Exception;
+
+class Email extends BaseValidator
+{
+
+    private $checkUnique;
+
+    public function __construct($checkUnique = false)
+    {
+        $this->checkUnique = $checkUnique;
+    }
+
+    public function validate($value)
+    {
+        if ($this->isValueBare($value)) {
+            return;
+        }
+
+        if (!Piwik::isValidEmailString($value)) {
+            throw new Exception(Piwik::translate('General_ValidatorErrorNotEmailLike', array($value)));
+        }
+
+        if ($this->checkUnique) {
+            $this->isUnique($value);
+        }
+
+    }
+
+    /**
+     * check if email already exist in database
+     * @param $email
+     * @throws \Exception
+     */
+    private function isUnique($email)
+    {
+        if (APIUsersManager::getInstance()->userExists($email)) {
+            throw new Exception(Piwik::translate('UsersManager_ExceptionLoginExists', $email));
+        }
+
+        if (APIUsersManager::getInstance()->userEmailExists($email)) {
+            throw new Exception(Piwik::translate('UsersManager_ExceptionLoginExistsAsEmail', $email));
+        }
+    }
+
+}