Config file is more appropriate here

adjust default value

files/admin.php

@@ -35,16 +35,16 @@ if($_POST) {
 	}
 	if(isset($_POST['maxZipInputSize'])) {
 		$maxZipInputSize=$_POST['maxZipInputSize'];
-		OC_Preferences::setValue('', 'files', 'maxZipInputSize', OC_Helper::computerFileSize($maxZipInputSize));
+		OC_Config::setValue('maxZipInputSize', OC_Helper::computerFileSize($maxZipInputSize));
 	}
-	OC_Preferences::setValue('', 'files', 'allowZipDownload', isset($_POST['allowZipDownload']));
+	OC_Config::setValue('allowZipDownload', isset($_POST['allowZipDownload']));
 }else{
 	$upload_max_filesize = OC_Helper::computerFileSize(ini_get('upload_max_filesize'));
 	$post_max_size = OC_Helper::computerFileSize(ini_get('post_max_size'));
 	$maxUploadFilesize = min($upload_max_filesize, $post_max_size);
-	$allowZipDownload = intval(OC_Preferences::getValue('', 'files', 'allowZipDownload', 1));
-	$maxZipInputSize = OC_Helper::humanfilesize(OC_Preferences::getValue('', 'files', 'maxZipInputSize', OC_Helper::computerFileSize('800 MB')));
+	$maxZipInputSize = OC_Helper::humanfilesize(OC_Config::getValue('maxZipInputSize', OC_Helper::computerFileSize('800 MB')));
 }
+$allowZipDownload = intval(OC_Config::getValue('allowZipDownload', true));
 
 OC_App::setActiveNavigationEntry( "files_administration" );
 

files/templates/index.php

@@ -40,7 +40,7 @@
 				<?php if(!isset($_['readonly']) || !$_['readonly']) { ?><input type="checkbox" id="select_all" /><?php } ?>
 				<span class='name'><?php echo $l->t( 'Name' ); ?></span>
 				<span class='selectedActions'>
-				<?php if(OC_Preferences::getValue('', 'files', 'allowZipDownload', 1)) : ?>
+				<?php if(OC_Config::getValue('allowZipDownload', true)) : ?>
 					<a href="" title="<?php echo $l->t('Download')?>" class="download"><img class='svg' alt="Download" src="<?php echo image_path("core", "actions/download.svg"); ?>" /></a>
 				<?php endif; ?>
 				<a href="" title="Share" class="share"><img class='svg' alt="Share" src="<?php echo image_path("core", "actions/share.svg"); ?>" /></a>
@@ -70,4 +70,4 @@
 </div>
 
 <!-- config hints for javascript -->
-<input type="hidden" name="allowZipDownload" id="allowZipDownload" value="<?php echo OC_Preferences::getValue('', 'files', 'allowZipDownload', 1); ?>" />
+<input type="hidden" name="allowZipDownload" id="allowZipDownload" value="<?php echo intval(OC_Config::getValue('allowZipDownload', true)); ?>" />

lib/files.php

@@ -224,7 +224,7 @@ class OC_Files {
 	* @param files $files
 	*/
 	static function validateZipDownload($dir, $files) {
-		if(!OC_Preferences::getValue('', 'files', 'allowZipDownload', 1)) {
+		if(!OC_Config::getValue('allowZipDownload', true)) {
 			$l = new OC_L10N('files');
 			header("HTTP/1.0 409 Conflict");
 			$tmpl = new OC_Template( '', 'error', 'user' );
@@ -239,7 +239,7 @@ class OC_Files {
 			exit;
 		}
 
-		$zipLimit = OC_Preferences::getValue('', 'files', 'maxZipInputSize', OC_Helper::computerFileSize('800 MB'));
+		$zipLimit = OC_Config::getValue('maxZipInputSize', OC_Helper::computerFileSize('800 MB'));
 		if($zipLimit > 0) {
 			$totalsize = 0;
 			if(is_array($files)){