1 files changed, 73 insertions, 0 deletions
diff --git a/apps/files_external/lib/Lib/Auth/Password/UserGlobalAuth.php b/apps/files_external/lib/Lib/Auth/Password/UserGlobalAuth.php
new file mode 100644
index 00000000000..cb7165261ac
--- /dev/null
+++ b/apps/files_external/lib/Lib/Auth/Password/UserGlobalAuth.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Files_External\Lib\Auth\Password;
+
+use OCA\Files_External\Lib\Auth\AuthMechanism;
+use OCA\Files_External\Lib\DefinitionParameter;
+use OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException;
+use OCA\Files_External\Lib\StorageConfig;
+use OCA\Files_External\Service\BackendService;
+use OCP\IL10N;
+use OCP\IUser;
+use OCP\Security\ICredentialsManager;
+
+/**
+ * User provided Global Username and Password
+ */
+class UserGlobalAuth extends AuthMechanism {
+	private const CREDENTIALS_IDENTIFIER = 'password::global';
+
+	public function __construct(
+		IL10N $l,
+		protected ICredentialsManager $credentialsManager,
+	) {
+		$this
+			->setIdentifier('password::global::user')
+			->setVisibility(BackendService::VISIBILITY_DEFAULT)
+			->setScheme(self::SCHEME_PASSWORD)
+			->setText($l->t('Global credentials, manually entered'));
+	}
+
+	public function saveBackendOptions(IUser $user, $id, $backendOptions) {
+		// backendOptions are set when invoked via Files app
+		// but they are not set when invoked via ext storage settings
+		if (!isset($backendOptions['user']) && !isset($backendOptions['password'])) {
+			return;
+		}
+
+		if ($backendOptions['password'] === DefinitionParameter::UNMODIFIED_PLACEHOLDER) {
+			$oldCredentials = $this->credentialsManager->retrieve($user->getUID(), self::CREDENTIALS_IDENTIFIER);
+			$backendOptions['password'] = $oldCredentials['password'];
+		}
+
+		// make sure we're not setting any unexpected keys
+		$credentials = [
+			'user' => $backendOptions['user'],
+			'password' => $backendOptions['password'],
+		];
+		$this->credentialsManager->store($user->getUID(), self::CREDENTIALS_IDENTIFIER, $credentials);
+	}
+
+	/**
+	 * @return void
+	 */
+	public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user = null) {
+		if ($user === null) {
+			throw new InsufficientDataForMeaningfulAnswerException('No credentials saved');
+		}
+
+		$uid = $user->getUID();
+		$credentials = $this->credentialsManager->retrieve($uid, self::CREDENTIALS_IDENTIFIER);
+
+		if (is_array($credentials)) {
+			$storage->setBackendOption('user', $credentials['user']);
+			$storage->setBackendOption('password', $credentials['password']);
+		}
+	}
+}