add Download logfile button to admin settings

add logSettingsController

add download logfile button

move getEntries to LogSettingsController

move set log level to logsettingscontroller.php

add warning if logfile is bigger than 100MB

add unit test for set log level

fix typecasting, add new line at EoF

show log and logfile download only if log_type is set to owncloud

add unit test for getFilenameForDownload

1 files changed, 126 insertions, 0 deletions

diff --git a/settings/controller/logsettingscontroller.php b/settings/controller/logsettingscontroller.php
new file mode 100644
index 00000000000..759b466682c
--- /dev/null
+++ b/settings/controller/logsettingscontroller.php
@@ -0,0 +1,126 @@
+<?php
+/**
+ * @author Georg Ehrke
+ * @copyright 2014 Georg Ehrke <georg@ownCloud.com>
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Settings\Controller;
+
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\AppFramework\Http\DataDownloadResponse;
+use OCP\IL10N;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\IRequest;
+use OCP\IConfig;
+
+/**
+ * Class LogSettingsController
+ *
+ * @package OC\Settings\Controller
+ */
+class LogSettingsController extends Controller {
+	/**
+	 * @var \OCP\IConfig
+	 */
+	private $config;
+
+	/**
+	 * @var \OCP\IL10N
+	 */
+	private $l10n;
+
+	/**
+	 * @var \OCP\ITimeFactory
+	 */
+	private $timefactory;
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param IConfig $config
+	 */
+	public function __construct($appName,
+								IRequest $request,
+								IConfig $config,
+								IL10N $l10n,
+								ITimeFactory $timeFactory) {
+
+		parent::__construct($appName, $request);
+		$this->config = $config;
+		$this->l10n = $l10n;
+		$this->timefactory = $timeFactory;
+	}
+
+	/**
+	 * set log level for logger
+	 *
+	 * @param int $level
+	 * @return JSONResponse
+	 */
+	public function setLogLevel($level) {
+		if ($level < 0 || $level > 4) {
+			return new JSONResponse([
+				'message' => (string) $this->l10n->t('log-level out of allowed range'),
+			], Http::STATUS_BAD_REQUEST);
+		}
+
+		$this->config->setSystemValue('loglevel', $level);
+		return new JSONResponse([
+			'level' => $level,
+		]);
+	}
+
+	/**
+	 * get log entries from logfile
+	 *
+	 * @param int $count
+	 * @param int $offset
+	 * @return JSONResponse
+	 */
+	public function getEntries($count=50, $offset=0) {
+		return new JSONResponse([
+			'data' => \OC_Log_Owncloud::getEntries($count, $offset),
+			'remain' => count(\OC_Log_Owncloud::getEntries(1, $offset + $count)) !== 0,
+		]);
+	}
+
+	/**
+	 * download logfile
+	 *
+	 * @NoCSRFRequired
+	 *
+	 * @return DataDownloadResponse
+	 */
+	public function download() {
+		return new DataDownloadResponse(
+			json_encode(\OC_Log_Owncloud::getEntries(null, null)),
+			$this->getFilenameForDownload(),
+			'application/json'
+		);
+	}
+
+	/**
+	 * get filename for the logfile that's being downloaded
+	 *
+	 * @param int $timestamp (defaults to time())
+	 * @return string
+	 */
+	private function getFilenameForDownload($timestamp=null) {
+		$instanceId = $this->config->getSystemValue('instanceid');
+
+		$filename = implode([
+			'ownCloud',
+			$instanceId,
+			(!is_null($timestamp)) ? $timestamp : $this->timefactory->getTime()
+		], '-');
+		$filename .= '.log';
+
+		return $filename;
+	}
+}