Check if a file is encrypted before sharing (encrypted files cannot be shared)

diff --git a/apps/files_sharing/ajax/share.php b/apps/files_sharing/ajax/share.php
index 4478144e92f3df9b1005302f5324a3a4c578823c..ec3c25998af903b41d88c11d481a1313cbf36235 100644 (file)
--- a/apps/files_sharing/ajax/share.php
+++ b/apps/files_sharing/ajax/share.php
@@ -9,10 +9,11 @@ $sources = explode(';', $_POST['sources']);
 $uid_shared_with = $_POST['uid_shared_with'];
 $permissions = $_POST['permissions'];
 foreach ($sources as $source) {
+       $file = OC_FileCache::get($source);
        $path = ltrim($source, '/'); 
        $source = $userDirectory.$source;
        // Check if the file exists or if the file is being reshared
-       if ($source && (OC_FILESYSTEM::file_exists($path) && OC_FILESYSTEM::is_readable($path) || OC_Share::getSource($source))) {
+       if ($source && $file['encrypted'] == false && (OC_FILESYSTEM::file_exists($path) && OC_FILESYSTEM::is_readable($path) || OC_Share::getSource($source))) {
                try {
                        $shared = new OC_Share($source, $uid_shared_with, $permissions);
                        // If this is a private link, return the token
@@ -26,8 +27,12 @@ foreach ($sources as $source) {
                        OCP\JSON::error(array('data' => array('message' => $exception->getMessage())));
                }
        } else {
-               OCP\Util::writeLog('files_sharing', 'File does not exist or is not readable :'.$source, OCP\Util::ERROR);
-               OCP\JSON::error(array('data' => array('message' => 'File does not exist or is not readable')));
+               if ($file['encrypted'] == true) {
+                       OCP\JSON::error(array('data' => array('message' => 'Encrypted files cannot be shared')));
+               } else {
+                       OCP\Util::writeLog('files_sharing', 'File does not exist or is not readable :'.$source, OCP\Util::ERROR);
+                       OCP\JSON::error(array('data' => array('message' => 'File does not exist or is not readable')));
+               }
        }
 }