[Pkg-owncloud-commits] [owncloud] 63/90: add config-option for an image's maximum filesize when generating previews

[David Prévot]

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taffit pushed a commit to branch master
in repository owncloud.

commit 56c51d481c8370d0171f4ebb073ed757ccb5c07e
Author: Georg Ehrke <developer at georgehrke.com>
Date:   Mon Jan 19 00:22:55 2015 +0100

    add config-option for an image's maximum filesize when generating previews
---
 config/config.sample.php      | 12 ++++++++++++
 lib/private/preview/image.php |  7 +++++++
 2 files changed, 19 insertions(+)

diff --git a/config/config.sample.php b/config/config.sample.php
index 0d3085d..673cede 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -604,6 +604,18 @@ $CONFIG = array(
  * original size. A value of ``1`` or ``null`` disables scaling.
  */
 'preview_max_scale_factor' => 10,
+
+/**
+ * max file size for generating image previews with imagegd (default behaviour)
+ * If the image is bigger, it'll try other preview generators,
+ * but will most likely show the default mimetype icon
+ *
+ * Value represents the maximum filesize in megabytes
+ * Default is 50
+ * Set to -1 for no limit
+ */
+'preview_max_filesize_image' => 50,
+
 /**
  * custom path for LibreOffice/OpenOffice binary
  */
diff --git a/lib/private/preview/image.php b/lib/private/preview/image.php
index c5f566a..acf7232 100644
--- a/lib/private/preview/image.php
+++ b/lib/private/preview/image.php
@@ -21,6 +21,13 @@ class Image extends Provider {
 			return false;
 		}
 
+		$maxSizeForImages = \OC::$server->getConfig()->getSystemValue('preview_max_filesize_image', 50);
+		$size = $fileInfo->getSize();
+
+		if ($maxSizeForImages !== -1 && $size > ($maxSizeForImages * 1024 * 1024)) {
+			return false;
+		}
+
 		$image = new \OC_Image();
 
 		if($fileInfo['encrypted'] === true) {

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