创建版本

2021-02-22 12:17:00 +08:00
commit af555f49c3
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+<?php
+
+namespace Sabre\DAV\Auth\Backend;
+
+/**
+ * This is an authentication backend that uses a file to manage passwords.
+ *
+ * The backend file must conform to Apache's htdigest format
+ *
+ * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class PDO extends AbstractDigest {
+
+    /**
+     * Reference to PDO connection
+     *
+     * @var PDO
+     */
+    protected $pdo;
+
+    /**
+     * PDO table name we'll be using
+     *
+     * @var string
+     */
+    protected $tableName;
+
+
+    /**
+     * Creates the backend object.
+     *
+     * If the filename argument is passed in, it will parse out the specified file fist.
+     *
+     * @param PDO $pdo
+     * @param string $tableName The PDO table name to use
+     */
+    public function __construct(\PDO $pdo, $tableName = 'users') {
+
+        $this->pdo = $pdo;
+        $this->tableName = $tableName;
+
+    }
+
+    /**
+     * Returns the digest hash for a user.
+     *
+     * @param string $realm
+     * @param string $username
+     * @return string|null
+     */
+    public function getDigestHash($realm,$username) {
+
+        $stmt = $this->pdo->prepare('SELECT username, digesta1 FROM '.$this->tableName.' WHERE username = ?');
+        $stmt->execute(array($username));
+        $result = $stmt->fetchAll();
+
+        if (!count($result)) return;
+
+        return $result[0]['digesta1'];
+
+    }
+
+}