From ec25a027f7e20286530d7d67c7196f4406ecb560 Mon Sep 17 00:00:00 2001
From: Piotr Mrowczynski <mrow4a@yahoo.com>
Date: Thu, 28 Mar 2019 20:08:06 -0700
Subject: [PATCH] add switch to enable features

---
 js/viewer/attributes.js               |  4 +++-
 lib/AppConfig.php                     | 14 ++++++++++++++
 lib/Controller/SettingsController.php |  1 +
 lib/HookHandler.php                   |  8 +++++---
 templates/admin.php                   | 10 ++++++++--
 5 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/js/viewer/attributes.js b/js/viewer/attributes.js
index e628e2928..38285af9e 100644
--- a/js/viewer/attributes.js
+++ b/js/viewer/attributes.js
@@ -11,7 +11,9 @@ OC.Plugins.register('OC.Share.ShareItemModel', {
 		var mimetype = model.getFileInfo().getMimeType();
 		var folderMimeType = 'httpd/unix-directory';
 		if ((odfViewer.isSupportedMimeType(mimetype) || mimetype === folderMimeType) &&
-			OC.appConfig.richdocuments && OC.appConfig.richdocuments.defaultShareAttributes) {
+			OC.appConfig.richdocuments &&
+			OC.appConfig.richdocuments.secureViewAllowed &&
+			OC.appConfig.richdocuments.defaultShareAttributes) {
 			/** @type OC.Share.Types.RegisteredShareAttribute **/
 			var secureViewCanDownload = {
 				"scope": "permissions",
diff --git a/lib/AppConfig.php b/lib/AppConfig.php
index 8202de6e9..f73c930cc 100644
--- a/lib/AppConfig.php
+++ b/lib/AppConfig.php
@@ -74,4 +74,18 @@ public function getUserValue($userId, $key) {
 	public function setUserValue($userId, $key, $value) {
 		return $this->config->setAppValue($userId, $this->appName, $key, $value);
 	}
+
+	/**
+	 * Check if app can have enterprise features enabled
+	 *
+	 * @return bool
+	 */
+	public function enterpriseFeaturesEnabled() {
+		if ($this->config->getAppValue('enterprise_key', 'license-key', null) === null &&
+			$this->config->getSystemValue('license-key', null) === null) {
+			return false;
+		}
+
+		return true;
+	}
 }
diff --git a/lib/Controller/SettingsController.php b/lib/Controller/SettingsController.php
index c083ca69d..21d15803c 100644
--- a/lib/Controller/SettingsController.php
+++ b/lib/Controller/SettingsController.php
@@ -66,6 +66,7 @@ public function adminIndex() {
 				'external_apps' => $this->appConfig->getAppValue('external_apps'),
 				'canonical_webroot' => $this->appConfig->getAppValue('canonical_webroot'),
 				'menu_option' => $this->appConfig->getAppValue('menu_option'),
+				'secure_view_allowed' => $this->appConfig->enterpriseFeaturesEnabled() ? 'true' : 'false',
 				'secure_view_option' => $this->appConfig->getAppValue('secure_view_option'),
 				'secure_view_can_download_default' => $this->appConfig->getAppValue('secure_view_can_download_default'),
 				'secure_view_can_print_default' => $this->appConfig->getAppValue('secure_view_can_print_default'),
diff --git a/lib/HookHandler.php b/lib/HookHandler.php
index e848140c2..fe4f729ed 100644
--- a/lib/HookHandler.php
+++ b/lib/HookHandler.php
@@ -27,12 +27,14 @@ public static function addViewerScripts() {
 	}
 
 	public static function addConfigScripts($array) {
-		$appConfig = new AppConfig(\OC::$server->getConfig());
+		$config = \OC::$server->getConfig();
+		$richdocumentsConfig = new AppConfig($config);
 		$array['array']['oc_appconfig']['richdocuments'] = [
 			'defaultShareAttributes' => [
-				'secureViewCanDownload' => $appConfig->getAppValue('secure_view_can_dowload_default'),
-				'secureViewCanPrint' => $appConfig->getAppValue('secure_view_can_print_default'),
+				'secureViewCanDownload' => $richdocumentsConfig->getAppValue('secure_view_can_dowload_default'),
+				'secureViewCanPrint' => $richdocumentsConfig->getAppValue('secure_view_can_print_default'),
 			],
+			'secureViewAllowed' => $richdocumentsConfig->enterpriseFeaturesEnabled()
 		];
 	}
 }
diff --git a/templates/admin.php b/templates/admin.php
index cd34dde30..cc7e81c9b 100644
--- a/templates/admin.php
+++ b/templates/admin.php
@@ -67,8 +67,14 @@
 	<label for="enable_menu_option_cb-richdocuments"><?php p($l->t('Use Menu option')) ?></label>
 
 	<br/>
-	<input type="checkbox" id="enable_secure_view_option_cb-richdocuments" <?php p($_['secure_view_option'] === 'true' ? 'checked' : '') ?> />
-	<label for="enable_secure_view_option_cb-richdocuments"><?php p($l->t('Enable Secure View for read-only shares')) ?></label>
+	<input type="checkbox" id="enable_secure_view_option_cb-richdocuments" <?php if ($_['secure_view_option'] === 'true') {
+	p('checked />');
+} elseif ($_['secure_view_allowed'] !== 'true') {
+	p('disabled />');
+} else {
+	p(' />');
+}?>
+	<label for="enable_secure_view_option_cb-richdocuments"><?php p($l->t('Enable Secure View for read-only shares (requires enterprise version)')) ?></label>
 	<div id="enable-share-attributes-defaults" style="padding-left: 28px;" class="indent <?php if ($_['secure_view_option'] !== 'true') {
 	p('hidden');
 } ?>" >