Add Sieve support

* Expose managesieve port
* Add sieve client factory
* Add support for sieve to provisioning
* Refactor test connectivity logic and add sieve.
* Add support for sieve to provisioning
* Add sieve to account form
* Add debug logger for ManageSieve
* Add api to get and update active script
* Add error for managesieve exception
* Add text editor to update existing script

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>
Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

2 files changed, 141 insertions, 0 deletions

diff --git a/lib/Migration/AddSieveToProvisioningConfig.php b/lib/Migration/AddSieveToProvisioningConfig.php
new file mode 100644
index 000000000..e871ff1cc
--- /dev/null
+++ b/lib/Migration/AddSieveToProvisioningConfig.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ *
+ * Mail
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\Mail\Migration;
+
+use OCA\Mail\Service\Provisioning\Config as ProvisioningConfig;
+use OCA\Mail\Service\Provisioning\ConfigMapper as ProvisioningConfigMapper;
+use OCP\IConfig;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class AddSieveToProvisioningConfig implements IRepairStep {
+
+	/** @var IConfig */
+	private $config;
+
+	/** @var ProvisioningConfigMapper */
+	private $configMapper;
+
+	public function __construct(IConfig $config, ProvisioningConfigMapper $configMapper) {
+		$this->config = $config;
+		$this->configMapper = $configMapper;
+	}
+
+	public function getName(): string {
+		return 'Add sieve defaults to provisioning config';
+	}
+
+	public function run(IOutput $output) {
+		if (!$this->shouldRun()) {
+			return;
+		}
+
+		$config = $this->configMapper->load();
+		if ($config === null) {
+			return;
+		}
+
+		$reflectionClass = new \ReflectionClass(ProvisioningConfig::class);
+		$reflectionProperty = $reflectionClass->getProperty('data');
+
+		$reflectionProperty->setAccessible(true);
+		$data = $reflectionProperty->getValue($config);
+
+		if (!isset($data['sieveEnabled'])) {
+			$data = array_merge($data, [
+				'sieveEnabled' => false,
+				'sieveHost' => '',
+				'sievePort' => 4190,
+				'sieveUser' => '',
+				'sieveSslMode' => 'tls',
+			]);
+		}
+
+		$reflectionProperty->setValue($config, $data);
+		$this->configMapper->save($config);
+
+		$output->info('added sieve defaults to provisioning config');
+	}
+
+	protected function shouldRun(): bool {
+		$appVersion = $this->config->getAppValue('mail', 'installed_version', '0.0.0');
+		return version_compare($appVersion, '1.9.0', '<');
+	}
+}
diff --git a/lib/Migration/Version1090Date20210127160127.php b/lib/Migration/Version1090Date20210127160127.php
new file mode 100644
index 000000000..8a52ae4fc
--- /dev/null
+++ b/lib/Migration/Version1090Date20210127160127.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\Mail\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1090Date20210127160127 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('mail_accounts');
+		$table->addColumn('sieve_enabled', 'boolean', [
+			'notnull' => true,
+			'default' => false,
+		]);
+		$table->addColumn('sieve_host', 'string', [
+			'notnull' => false,
+			'length' => 64,
+			'default' => null,
+		]);
+		$table->addColumn('sieve_port', 'string', [
+			'notnull' => false,
+			'length' => 6,
+			'default' => null,
+		]);
+		$table->addColumn('sieve_ssl_mode', 'string', [
+			'notnull' => false,
+			'length' => 10,
+			'default' => null,
+		]);
+		$table->addColumn('sieve_user', 'string', [
+			'notnull' => false,
+			'length' => 64,
+			'default' => null,
+		]);
+		$table->addColumn('sieve_password', 'string', [
+			'notnull' => false,
+			'length' => 2048,
+			'default' => null,
+		]);
+
+		return $schema;
+	}
+}