1 files changed, 83 insertions, 0 deletions
diff --git a/apps/files_external/lib/Lib/Backend/LegacyBackend.php b/apps/files_external/lib/Lib/Backend/LegacyBackend.php
new file mode 100644
index 00000000000..9c7e5b01bc3
--- /dev/null
+++ b/apps/files_external/lib/Lib/Backend/LegacyBackend.php
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2018-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCA\Files_External\Lib\Backend;
+
+use OCA\Files_External\Lib\Auth\Builtin;
+use OCA\Files_External\Lib\DefinitionParameter;
+use OCA\Files_External\Lib\LegacyDependencyCheckPolyfill;
+use OCA\Files_External\Lib\MissingDependency;
+
+/**
+ * Legacy compatibility for OCA\Files_External\MountConfig::registerBackend()
+ */
+class LegacyBackend extends Backend {
+	use LegacyDependencyCheckPolyfill {
+		LegacyDependencyCheckPolyfill::checkDependencies as doCheckDependencies;
+	}
+
+	/** @var bool */
+	protected $hasDependencies = false;
+
+	/**
+	 * @param string $class
+	 * @param array $definition
+	 * @param Builtin $authMechanism
+	 */
+	public function __construct($class, array $definition, Builtin $authMechanism) {
+		$this
+			->setIdentifier($class)
+			->setStorageClass($class)
+			->setText($definition['backend'])
+			->addAuthScheme(Builtin::SCHEME_BUILTIN)
+			->setLegacyAuthMechanism($authMechanism)
+		;
+
+		foreach ($definition['configuration'] as $name => $placeholder) {
+			$flags = DefinitionParameter::FLAG_NONE;
+			$type = DefinitionParameter::VALUE_TEXT;
+			if ($placeholder[0] === '&') {
+				$flags = DefinitionParameter::FLAG_OPTIONAL;
+				$placeholder = substr($placeholder, 1);
+			}
+			switch ($placeholder[0]) {
+				case '!':
+					$type = DefinitionParameter::VALUE_BOOLEAN;
+					$placeholder = substr($placeholder, 1);
+					break;
+				case '*':
+					$type = DefinitionParameter::VALUE_PASSWORD;
+					$placeholder = substr($placeholder, 1);
+					break;
+			}
+			$this->addParameter((new DefinitionParameter($name, $placeholder))
+				->setType($type)
+				->setFlags($flags)
+			);
+		}
+
+		if (isset($definition['priority'])) {
+			$this->setPriority($definition['priority']);
+		}
+		if (isset($definition['custom'])) {
+			$this->addCustomJs($definition['custom']);
+		}
+		if (isset($definition['has_dependencies']) && $definition['has_dependencies']) {
+			$this->hasDependencies = true;
+		}
+	}
+
+	/**
+	 * @return MissingDependency[]
+	 */
+	public function checkDependencies() {
+		if ($this->hasDependencies) {
+			return $this->doCheckDependencies();
+		}
+		return [];
+	}
+}