Rewrite of the authentication and authorization system

app/Model/UserLocking.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Kanboard\Model;
+
+/**
+ * User Locking Model
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class UserLocking extends Base
+{
+    /**
+     * Get the number of failed login for the user
+     *
+     * @access public
+     * @param  string  $username
+     * @return integer
+     */
+    public function getFailedLogin($username)
+    {
+        return (int) $this->db->table(User::TABLE)
+            ->eq('username', $username)
+            ->findOneColumn('nb_failed_login');
+    }
+
+    /**
+     * Reset to 0 the counter of failed login
+     *
+     * @access public
+     * @param  string  $username
+     * @return boolean
+     */
+    public function resetFailedLogin($username)
+    {
+        return $this->db->table(User::TABLE)
+            ->eq('username', $username)
+            ->update(array(
+                'nb_failed_login' => 0,
+                'lock_expiration_date' => 0,
+            ));
+    }
+
+    /**
+     * Increment failed login counter
+     *
+     * @access public
+     * @param  string  $username
+     * @return boolean
+     */
+    public function incrementFailedLogin($username)
+    {
+        return $this->db->table(User::TABLE)
+            ->eq('username', $username)
+            ->increment('nb_failed_login', 1);
+    }
+
+    /**
+     * Check if the account is locked
+     *
+     * @access public
+     * @param  string  $username
+     * @return boolean
+     */
+    public function isLocked($username)
+    {
+        return $this->db->table(User::TABLE)
+            ->eq('username', $username)
+            ->neq('lock_expiration_date', 0)
+            ->gte('lock_expiration_date', time())
+            ->exists();
+    }
+
+    /**
+     * Lock the account for the specified duration
+     *
+     * @access public
+     * @param  string   $username   Username
+     * @param  integer  $duration   Duration in minutes
+     * @return boolean
+     */
+    public function lock($username, $duration = 15)
+    {
+        return $this->db->table(User::TABLE)
+            ->eq('username', $username)
+            ->update(array(
+                'lock_expiration_date' => time() + $duration * 60
+            ));
+    }
+
+    /**
+     * Return true if the captcha must be shown
+     *
+     * @access public
+     * @param  string  $username
+     * @param  integer $tries
+     * @return boolean
+     */
+    public function hasCaptcha($username, $tries = BRUTEFORCE_CAPTCHA)
+    {
+        return $this->getFailedLogin($username) >= $tries;
+    }
+}