fix etag propagation
This commit is contained in:
Bjoern Schiessle
parent
aae22b2d6a
commit
b712393e72
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@ -17,6 +17,4 @@ OCP\Util::addScript('files_sharing', 'share');
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\OC_Hook::connect('OC_Filesystem', 'post_delete', '\OC\Files\Cache\Shared_Updater', 'postDeleteHook');
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\OC_Hook::connect('OC_Filesystem', 'delete', '\OC\Files\Cache\Shared_Updater', 'deleteHook');
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\OC_Hook::connect('OC_Filesystem', 'post_rename', '\OC\Files\Cache\Shared_Updater', 'renameHook');
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\OC_Hook::connect('OCP\Share', 'post_shared', '\OC\Files\Cache\Shared_Updater', 'shareHook');
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\OC_Hook::connect('OCP\Share', 'pre_unshare', '\OC\Files\Cache\Shared_Updater', 'shareHook');
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\OC_Hook::connect('OC_Appconfig', 'post_set_value', '\OCA\Files\Share\Maintainer', 'configChangeHook');
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@ -111,4 +111,39 @@ class Helper {
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}
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return true;
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}
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public static function getSharesFromItem($target) {
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$result = array();
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$owner = \OC\Files\Filesystem::getOwner($target);
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\OC\Files\Filesystem::initMountPoints($owner);
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$info = \OC\Files\Filesystem::getFileInfo($target);
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$ownerView = new \OC\Files\View('/'.$owner.'/files');
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if ( $owner != \OCP\User::getUser() ) {
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$path = $ownerView->getPath($info['fileid']);
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} else {
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$path = $target;
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}
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$ids = array();
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while ($path !== '' && $path !== '.' && $path !== '/') {
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$info = $ownerView->getFileInfo($path);
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$ids[] = $info['fileid'];
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$path = dirname($path);
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}
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if (!empty($ids)) {
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$idList = array_chunk($ids, 99, true);
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foreach ($idList as $subList) {
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$statement = "SELECT `share_with`, `share_type`, `file_target` FROM `*PREFIX*share` WHERE `file_source` IN (" . implode(',', $subList) . ") AND `share_type` IN (0, 1, 2)";
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$query = \OCP\DB::prepare($statement);
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$r = $query->execute();
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$result = array_merge($result, $r->fetchAll());
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}
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}
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return $result;
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}
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}
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@ -26,31 +26,48 @@ class Shared_Updater {
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// shares which can be removed from oc_share after the delete operation was successful
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static private $toRemove = array();
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/**
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* @brief walk up the users file tree and update the etags
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* @param string $user
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* @param string $path
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*/
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static private function correctUsersFolder($user, $path) {
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// $path points to the mount point which is a virtual folder, so we start with
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// the parent
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$path = '/files' . dirname($path);
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\OC\Files\Filesystem::initMountPoints($user);
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$view = new \OC\Files\View('/' . $user);
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if ($view->file_exists($path)) {
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while ($path !== '/') {
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$etag = $view->getETag($path);
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$view->putFileInfo($path, array('etag' => $etag));
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$path = dirname($path);
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}
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} else {
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error_log("error!" . 'can not update etags on ' . $path . ' for user ' . $user);
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\OCP\Util::writeLog('files_sharing', 'can not update etags on ' . $path . ' for user ' . $user, \OCP\Util::ERROR);
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}
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}
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/**
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* Correct the parent folders' ETags for all users shared the file at $target
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*
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* @param string $target
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*/
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static public function correctFolders($target) {
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$uid = \OCP\User::getUser();
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$uidOwner = \OC\Files\Filesystem::getOwner($target);
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$info = \OC\Files\Filesystem::getFileInfo($target);
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$checkedUser = array($uidOwner);
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// Correct Shared folders of other users shared with
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$users = \OCP\Share::getUsersItemShared('file', $info['fileid'], $uidOwner, true);
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if (!empty($users)) {
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while (!empty($users)) {
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$reshareUsers = array();
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$shares = \OCA\Files_Sharing\Helper::getSharesFromItem($target);
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foreach ($shares as $share) {
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if ((int)$share['share_type'] === \OCP\Share::SHARE_TYPE_USER) {
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self::correctUsersFolder($share['share_with'], $share['file_target']);
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} elseif ((int)$share['share_type'] === \OCP\Share::SHARE_TYPE_GROUP) {
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$users = \OC_Group::usersInGroup($share['share_with']);
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foreach ($users as $user) {
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if ( !in_array($user, $checkedUser) ) {
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$etag = \OC\Files\Filesystem::getETag('');
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\OCP\Config::setUserValue($user, 'files_sharing', 'etag', $etag);
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// Look for reshares
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$reshareUsers = array_merge($reshareUsers, \OCP\Share::getUsersItemShared('file', $info['fileid'], $user, true));
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$checkedUser[] = $user;
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}
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self::correctUsersFolder($user, $share['file_target']);
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}
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$users = $reshareUsers;
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} else { //unique name for group share
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self::correctUsersFolder($share['share_with'], $share['file_target']);
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}
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}
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}
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@ -107,34 +124,6 @@ class Shared_Updater {
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self::removeShare($params['path']);
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}
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/**
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* @param array $params
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*/
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static public function shareHook($params) {
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if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
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if (isset($params['uidOwner'])) {
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$uidOwner = $params['uidOwner'];
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} else {
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$uidOwner = \OCP\User::getUser();
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}
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$users = \OCP\Share::getUsersItemShared($params['itemType'], $params['fileSource'], $uidOwner, true, false);
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if (!empty($users)) {
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while (!empty($users)) {
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$reshareUsers = array();
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foreach ($users as $user) {
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if ($user !== $uidOwner) {
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$etag = \OC\Files\Filesystem::getETag('');
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\OCP\Config::setUserValue($user, 'files_sharing', 'etag', $etag);
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// Look for reshares
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$reshareUsers = array_merge($reshareUsers, \OCP\Share::getUsersItemShared('file', $params['fileSource'], $user, true));
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}
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}
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$users = $reshareUsers;
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}
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}
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}
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}
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/**
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* clean up oc_share table from files which are no longer exists
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*
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