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msd2/tracking/piwik/core/Auth/Password.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+namespace Piwik\Auth;
+
+/**
+ * Main class to handle actions related to password hashing and verification.
+ *
+ * @api
+ */
+class Password
+{
+    /**
+     * Hashes a password with the configured algorithm.
+     *
+     * @param string $password
+     * @return string
+     */
+    public function hash($password)
+    {
+        return password_hash($password, PASSWORD_BCRYPT);
+    }
+
+    /**
+     * Returns information about a hashed password (algo, options, ...).
+     *
+     * Can be used to verify whether a string is compatible with password_hash().
+     *
+     * @param string
+     * @return array
+     */
+    public function info($hash)
+    {
+        return password_get_info($hash);
+    }
+
+    /**
+     * Rehashes a user's password if necessary.
+     *
+     * This method expects the password to be pre-hashed by
+     * \Piwik\Plugins\UsersManager\UsersManager::getPasswordHash().
+     *
+     * @param string $hash
+     * @return boolean
+     */
+    public function needsRehash($hash)
+    {
+        return password_needs_rehash($hash, PASSWORD_BCRYPT);
+    }
+
+    /**
+     * Verifies a user's password against the provided hash.
+     *
+     * This method expects the password to be pre-hashed by
+     * \Piwik\Plugins\UsersManager\UsersManager::getPasswordHash().
+     *
+     * @param string $password
+     * @param string $hash
+     * @return boolean
+     */
+    public function verify($password, $hash)
+    {
+        return password_verify($password, $hash);
+    }
+}