Stop decryption when maintenance mode is enabled, fixes #8311

Signed-off-by: Ruben Homs <ruben@homs.codes>

3 files changed, 43 insertions, 2 deletions

diff --git a/core/Command/Encryption/DecryptAll.php b/core/Command/Encryption/DecryptAll.php
index 6ae90196963..2d45689d1b3 100644
--- a/core/Command/Encryption/DecryptAll.php
+++ b/core/Command/Encryption/DecryptAll.php
@@ -132,6 +132,15 @@ class DecryptAll extends Command {
 			return;
 		}
 
+		$isMaintenanceModeEnabled = $this->config->getSystemValue('maintenance', false);
+		if ($isMaintenanceModeEnabled) {
+			$output->writeln("Maintenance mode must be disabled when starting decryption,");
+			$output->writeln("in order to load the relevant encryption modules correctly.");
+			$output->writeln("Your instance will automatically be put to maintenance mode");
+			$output->writeln("during the actual decryption of the files.");
+			return;
+		}
+
 		try {
 			if ($this->encryptionManager->isEnabled() === true) {
 				$output->write('Disable server side encryption... ');
diff --git a/core/Command/Encryption/ListModules.php b/core/Command/Encryption/ListModules.php
index 82a2e5f50f7..2b1402ed5ef 100644
--- a/core/Command/Encryption/ListModules.php
+++ b/core/Command/Encryption/ListModules.php
@@ -24,6 +24,7 @@ namespace OC\Core\Command\Encryption;
 
 use OC\Core\Command\Base;
 use OCP\Encryption\IManager;
+use OCP\IConfig;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
@@ -31,12 +32,20 @@ class ListModules extends Base {
 	/** @var IManager */
 	protected $encryptionManager;
 
+	/** @var IConfig */
+	protected $config;
+
 	/**
 	 * @param IManager $encryptionManager
+	 * @param IConfig $config
 	 */
-	public function __construct(IManager $encryptionManager) {
+	public function __construct(
+		IManager $encryptionManager,
+		IConfig $config
+	) {
 		parent::__construct();
 		$this->encryptionManager = $encryptionManager;
+		$this->config = $config;
 	}
 
 	protected function configure() {
@@ -49,6 +58,13 @@ class ListModules extends Base {
 	}
 
 	protected function execute(InputInterface $input, OutputInterface $output) {
+		$isMaintenanceModeEnabled = $this->config->getSystemValue('maintenance', false);
+		if ($isMaintenanceModeEnabled) {
+			$output->writeln("Maintenance mode must be disabled when listing modules");
+			$output->writeln("in order to list the relevant encryption modules correctly.");
+			return;
+		}
+
 		$encryptionModules = $this->encryptionManager->getEncryptionModules();
 		$defaultEncryptionModuleId = $this->encryptionManager->getDefaultEncryptionModuleId();
 
diff --git a/core/Command/Encryption/SetDefaultModule.php b/core/Command/Encryption/SetDefaultModule.php
index 1a008c7724a..3399bd45b25 100644
--- a/core/Command/Encryption/SetDefaultModule.php
+++ b/core/Command/Encryption/SetDefaultModule.php
@@ -24,6 +24,7 @@ namespace OC\Core\Command\Encryption;
 
 
 use OCP\Encryption\IManager;
+use OCP\IConfig;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -33,12 +34,20 @@ class SetDefaultModule extends Command {
 	/** @var IManager */
 	protected $encryptionManager;
 
+	/** @var IConfig */
+	protected $config;
+
 	/**
 	 * @param IManager $encryptionManager
+	 * @param IConfig $config
 	 */
-	public function __construct(IManager $encryptionManager) {
+	public function __construct(
+		IManager $encryptionManager,
+		IConfig $config
+	) {
 		parent::__construct();
 		$this->encryptionManager = $encryptionManager;
+		$this->config = $config;
 	}
 
 	protected function configure() {
@@ -56,6 +65,13 @@ class SetDefaultModule extends Command {
 	}
 
 	protected function execute(InputInterface $input, OutputInterface $output) {
+		$isMaintenanceModeEnabled = $this->config->getSystemValue('maintenance', false);
+		if ($isMaintenanceModeEnabled) {
+			$output->writeln("Maintenance mode must be disabled when setting default module,");
+			$output->writeln("in order to load the relevant encryption modules correctly.");
+			return;
+		}
+
 		$moduleId = $input->getArgument('module');
 
 		if ($moduleId === $this->encryptionManager->getDefaultEncryptionModuleId()) {