Unlock before all returns
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62bc53143e
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8a652d1238
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@ -31,9 +31,9 @@ use OCP\Files\IRootFolder;
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use OCP\Lock\LockedException;
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use OCP\Share;
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use OCP\Share\IManager;
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use OCP\Share\Exceptions\ShareNotFound;
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use OCP\Share\Exceptions\GenericShareException;
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use OCP\Lock\ILockingProvider;
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/**
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* Class Share20OCS
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@ -207,18 +207,19 @@ class Share20OCS {
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}
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try {
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$share->getNode()->lock(\OCP\Lock\ILockingProvider::LOCK_SHARED);
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$share->getNode()->lock(ILockingProvider::LOCK_SHARED);
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} catch (LockedException $e) {
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return new \OC_OCS_Result(null, 404, 'could not delete share');
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}
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if (!$this->canAccessShare($share)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Could not delete share'));
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}
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$this->shareManager->deleteShare($share);
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$share->getNode()->unlock(\OCP\Lock\ILockingProvider::LOCK_SHARED);
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result();
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}
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@ -242,12 +243,17 @@ class Share20OCS {
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$userFolder = $this->rootFolder->getUserFolder($this->currentUser->getUID());
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try {
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$path = $userFolder->get($path);
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} catch (\OCP\Files\NotFoundException $e) {
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} catch (NotFoundException $e) {
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return new \OC_OCS_Result(null, 404, $this->l->t('Wrong path, file/folder doesn\'t exist'));
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}
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$share->setNode($path);
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$share->getNode()->lock(\OCP\Lock\ILockingProvider::LOCK_SHARED);
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try {
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$share->getNode()->lock(ILockingProvider::LOCK_SHARED);
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} catch (LockedException $e) {
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return new \OC_OCS_Result(null, 404, 'Could not create share');
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}
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// Parse permissions (if available)
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$permissions = $this->request->getParam('permissions', null);
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@ -258,6 +264,7 @@ class Share20OCS {
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}
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if ($permissions < 0 || $permissions > \OCP\Constants::PERMISSION_ALL) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, 'invalid permissions');
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}
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@ -285,17 +292,20 @@ class Share20OCS {
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if ($shareType === \OCP\Share::SHARE_TYPE_USER) {
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// Valid user is required to share
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if ($shareWith === null || !$this->userManager->userExists($shareWith)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Please specify a valid user'));
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}
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$share->setSharedWith($shareWith);
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$share->setPermissions($permissions);
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} else if ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
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if (!$this->shareManager->allowGroupSharing()) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Group sharing is disabled by the administrator'));
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}
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// Valid group is required to share
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if ($shareWith === null || !$this->groupManager->groupExists($shareWith)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Please specify a valid group'));
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}
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$share->setSharedWith($shareWith);
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@ -303,6 +313,7 @@ class Share20OCS {
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} else if ($shareType === \OCP\Share::SHARE_TYPE_LINK) {
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//Can we even share links?
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if (!$this->shareManager->shareApiAllowLinks()) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Public link sharing is disabled by the administrator'));
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}
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@ -312,6 +323,7 @@ class Share20OCS {
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*/
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$existingShares = $this->shareManager->getSharesBy($this->currentUser->getUID(), \OCP\Share::SHARE_TYPE_LINK, $path, false, 1, 0);
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if (!empty($existingShares)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result($this->formatShare($existingShares[0]));
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}
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@ -319,11 +331,13 @@ class Share20OCS {
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if ($publicUpload === 'true') {
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// Check if public upload is allowed
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if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 403, $this->l->t('Public upload disabled by the administrator'));
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}
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// Public upload can only be set for folders
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if ($path instanceof \OCP\Files\File) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Public upload is only possible for publicly shared folders'));
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}
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@ -351,18 +365,21 @@ class Share20OCS {
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$expireDate = $this->parseDate($expireDate);
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$share->setExpirationDate($expireDate);
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} catch (\Exception $e) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Invalid date, date format must be YYYY-MM-DD'));
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}
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}
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} else if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
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if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 403, $this->l->t('Sharing %s failed because the back end does not allow shares from type %s', [$path->getPath(), $shareType]));
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}
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$share->setSharedWith($shareWith);
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$share->setPermissions($permissions);
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} else {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, $this->l->t('Unknown share type'));
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}
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@ -373,8 +390,10 @@ class Share20OCS {
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$share = $this->shareManager->createShare($share);
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} catch (GenericShareException $e) {
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$code = $e->getCode() === 0 ? 403 : $e->getCode();
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, $code, $e->getHint());
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}catch (\Exception $e) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 403, $e->getMessage());
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}
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@ -467,17 +486,28 @@ class Share20OCS {
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$userFolder = $this->rootFolder->getUserFolder($this->currentUser->getUID());
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try {
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$path = $userFolder->get($path);
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$path->lock(ILockingProvider::LOCK_SHARED);
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} catch (\OCP\Files\NotFoundException $e) {
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return new \OC_OCS_Result(null, 404, $this->l->t('Wrong path, file/folder doesn\'t exist'));
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} catch (LockedException $e) {
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return new \OC_OCS_Result(null, 404, $this->l->t('Could not lock path'));
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}
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}
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if ($sharedWithMe === 'true') {
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return $this->getSharedWithMe($path);
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$result = $this->getSharedWithMe($path);
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if ($path !== null) {
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$path->unlock(ILockingProvider::LOCK_SHARED);
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}
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return $result;
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}
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if ($subfiles === 'true') {
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return $this->getSharesInDir($path);
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$result = $this->getSharesInDir($path);
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if ($path !== null) {
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$path->unlock(ILockingProvider::LOCK_SHARED);
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}
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return $result;
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}
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if ($reshares === 'true') {
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@ -507,6 +537,10 @@ class Share20OCS {
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}
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}
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if ($path !== null) {
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$path->unlock(ILockingProvider::LOCK_SHARED);
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}
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return new \OC_OCS_Result($formatted);
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}
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@ -528,6 +562,7 @@ class Share20OCS {
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$share->getNode()->lock(\OCP\Lock\ILockingProvider::LOCK_SHARED);
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if (!$this->canAccessShare($share)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Wrong share ID, share doesn\'t exist'));
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}
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@ -541,6 +576,7 @@ class Share20OCS {
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*/
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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if ($permissions === null && $password === null && $publicUpload === null && $expireDate === null) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, 'Wrong or no update parameter given');
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}
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@ -558,15 +594,18 @@ class Share20OCS {
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if ($newPermissions !== null &&
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$newPermissions !== \OCP\Constants::PERMISSION_READ &&
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$newPermissions !== (\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, $this->l->t('Can\'t change permissions for public share links'));
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}
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if ($newPermissions === (\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE)) {
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if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 403, $this->l->t('Public upload disabled by the administrator'));
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}
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if (!($share->getNode() instanceof \OCP\Files\Folder)) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, $this->l->t('Public upload is only possible for publicly shared folders'));
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}
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}
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@ -581,6 +620,7 @@ class Share20OCS {
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try {
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$expireDate = $this->parseDate($expireDate);
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} catch (\Exception $e) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, $e->getMessage());
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}
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$share->setExpirationDate($expireDate);
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@ -595,6 +635,7 @@ class Share20OCS {
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} else {
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// For other shares only permissions is valid.
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if ($permissions === null) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, $this->l->t('Wrong or no update parameter given'));
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} else {
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$permissions = (int)$permissions;
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@ -614,6 +655,7 @@ class Share20OCS {
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}
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if ($share->getPermissions() & ~$maxPermissions) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 404, $this->l->t('Cannot increase permissions'));
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}
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}
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@ -623,6 +665,7 @@ class Share20OCS {
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try {
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$share = $this->shareManager->updateShare($share);
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} catch (\Exception $e) {
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$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);
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return new \OC_OCS_Result(null, 400, $e->getMessage());
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}
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