创建版本

2021-02-22 12:17:00 +08:00
commit af555f49c3
2332 changed files with 369202 additions and 0 deletions
@@ -0,0 +1,87 @@
+<?php
+
+namespace Sabre\DAV\Auth\Backend;
+
+use Sabre\DAV;
+use Sabre\HTTP;
+
+/**
+ * HTTP Basic authentication backend class
+ *
+ * This class can be used by authentication objects wishing to use HTTP Basic
+ * Most of the digest logic is handled, implementors just need to worry about
+ * the validateUserPass method.
+ *
+ * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
+ * @author James David Low (http://jameslow.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+abstract class AbstractBasic implements BackendInterface {
+
+    /**
+     * This variable holds the currently logged in username.
+     *
+     * @var string|null
+     */
+    protected $currentUser;
+
+    /**
+     * Validates a username and password
+     *
+     * This method should return true or false depending on if login
+     * succeeded.
+     *
+     * @param string $username
+     * @param string $password
+     * @return bool
+     */
+    abstract protected function validateUserPass($username, $password);
+
+    /**
+     * Returns information about the currently logged in username.
+     *
+     * If nobody is currently logged in, this method should return null.
+     *
+     * @return string|null
+     */
+    public function getCurrentUser() {
+        return $this->currentUser;
+    }
+
+
+    /**
+     * Authenticates the user based on the current request.
+     *
+     * If authentication is successful, true must be returned.
+     * If authentication fails, an exception must be thrown.
+     *
+     * @param DAV\Server $server
+     * @param string $realm
+     * @throws DAV\Exception\NotAuthenticated
+     * @return bool
+     */
+    public function authenticate(DAV\Server $server, $realm) {
+
+        $auth = new HTTP\BasicAuth();
+        $auth->setHTTPRequest($server->httpRequest);
+        $auth->setHTTPResponse($server->httpResponse);
+        $auth->setRealm($realm);
+        $userpass = $auth->getUserPass();
+        if (!$userpass) {
+            $auth->requireLogin();
+            throw new DAV\Exception\NotAuthenticated('No basic authentication headers were found');
+        }
+
+        // Authenticates the user
+        if (!$this->validateUserPass($userpass[0],$userpass[1])) {
+            $auth->requireLogin();
+            throw new DAV\Exception\NotAuthenticated('Username or password does not match');
+        }
+        $this->currentUser = $userpass[0];
+        return true;
+    }
+
+
+}
+