public static function getByShareToken($token)
{
$linkItem = \OCP\Share::getShareByToken($token);
if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
// seems to be a valid share
$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
$fileOwner = $rootLinkItem['uid_owner'];
} else {
throw new \Exception('This file was probably unshared');
}
if (!isset($rootLinkItem['path']) && isset($rootLinkItem['file_target'])) {
$rootLinkItem['path'] = 'files/' . $rootLinkItem['file_target'];
}
$file = new File($rootLinkItem['file_source'], array($rootLinkItem));
if (isset($rootLinkItem['uid_owner'])) {
\OC_Util::tearDownFS();
\OC_Util::setupFS($rootLinkItem['uid_owner']);
$file->setOwner($rootLinkItem['uid_owner']);
$file->setPath('/files' . \OC\Files\Filesystem::getPath($linkItem['file_source']));
}
if (isset($linkItem['share_with']) && !empty($linkItem['share_with'])) {
$file->setPasswordProtected(true);
}
return $file;
}
/**
* @brief list bookshelf contents
*
* @return array of FileInfo[], sorted by time added
*/
public static function get()
{
$files = array();
if ($bookshelf = json_decode(Config::get('bookshelf', ''), true)) {
arsort($bookshelf);
while (list($id, $time) = each($bookshelf)) {
array_push($files, \OC\Files\Filesystem::getFileInfo(\OC\Files\Filesystem::normalizePath(\OC\Files\Filesystem::getPath($id))));
}
}
return $files;
}
/**
* hook after file was unshared
*
* @param array $params
*/
public function postUnshared($params)
{
if ($this->encryptionManager->isEnabled()) {
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
$path = Filesystem::getPath($params['fileSource']);
list($owner, $ownerPath) = $this->getOwnerPath($path);
$absPath = '/' . $owner . '/files/' . $ownerPath;
$this->update($absPath);
}
}
}
public function isValidSource($itemSource, $uidOwner)
{
$path = \OC\Files\Filesystem::getPath($itemSource);
if ($path) {
// FIXME: attributes should not be set here,
// keeping this pattern for now to avoid unexpected
// regressions
$this->path = basename($path);
return true;
}
return false;
}
public function getFilePath($itemSource, $uidOwner)
{
if (isset($this->path)) {
$path = $this->path;
$this->path = null;
return $path;
} else {
$path = \OC\Files\Filesystem::getPath($itemSource);
if ($path) {
return $path;
}
}
return false;
}
public function getFilePath($itemSource, $uidOwner)
{
if (isset($this->path)) {
$path = $this->path;
$this->path = null;
return $path;
} else {
try {
$path = \OC\Files\Filesystem::getPath($itemSource);
return $path;
} catch (\OCP\Files\NotFoundException $e) {
return false;
}
}
}
/**
* Sets up the filesystem and user for public sharing
* @param string $token string share token
* @param string $relativePath optional path relative to the share
* @param string $password optional password
* @return array
*/
public static function setupFromToken($token, $relativePath = null, $password = null)
{
\OC_User::setIncognitoMode(true);
$linkItem = \OCP\Share::getShareByToken($token, !$password);
if ($linkItem === false || $linkItem['item_type'] !== 'file' && $linkItem['item_type'] !== 'folder') {
\OC_Response::setStatus(404);
\OCP\Util::writeLog('core-preview', 'Passed token parameter is not valid', \OCP\Util::DEBUG);
exit;
}
if (!isset($linkItem['uid_owner']) || !isset($linkItem['file_source'])) {
\OC_Response::setStatus(500);
\OCP\Util::writeLog('core-preview', 'Passed token seems to be valid, but it does not contain all necessary information . ("' . $token . '")', \OCP\Util::WARN);
exit;
}
$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
$path = null;
if (isset($rootLinkItem['uid_owner'])) {
\OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
\OC_Util::tearDownFS();
\OC_Util::setupFS($rootLinkItem['uid_owner']);
}
try {
$path = Filesystem::getPath($linkItem['file_source']);
} catch (NotFoundException $e) {
\OCP\Util::writeLog('share', 'could not resolve linkItem', \OCP\Util::DEBUG);
\OC_Response::setStatus(404);
\OCP\JSON::error(array('success' => false));
exit;
}
if (!isset($linkItem['item_type'])) {
\OCP\Util::writeLog('share', 'No item type set for share id: ' . $linkItem['id'], \OCP\Util::ERROR);
\OC_Response::setStatus(404);
\OCP\JSON::error(array('success' => false));
exit;
}
if (isset($linkItem['share_with']) && (int) $linkItem['share_type'] === \OCP\Share::SHARE_TYPE_LINK) {
if (!self::authenticate($linkItem, $password)) {
\OC_Response::setStatus(403);
\OCP\JSON::error(array('success' => false));
exit;
}
}
$basePath = $path;
if ($relativePath !== null && Filesystem::isReadable($basePath . $relativePath)) {
$path .= Filesystem::normalizePath($relativePath);
}
return array('linkItem' => $linkItem, 'basePath' => $basePath, 'realPath' => $path);
}
/**
* update keyfiles and share keys recursively
*
* @param int $fileSource file source id
*/
private function update($fileSource)
{
$path = \OC\Files\Filesystem::getPath($fileSource);
$info = \OC\Files\Filesystem::getFileInfo($path);
$owner = \OC\Files\Filesystem::getOwner($path);
$view = new \OC\Files\View('/' . $owner . '/files');
$ownerPath = $view->getPath($info->getId());
$absPath = '/' . $owner . '/files' . $ownerPath;
$mount = $this->mountManager->find($path);
$mountPoint = $mount->getMountPoint();
// if a folder was shared, get a list of all (sub-)folders
if ($this->view->is_dir($absPath)) {
$allFiles = $this->util->getAllFiles($absPath, $mountPoint);
} else {
$allFiles = array($absPath);
}
$encryptionModule = $this->encryptionManager->getDefaultEncryptionModule();
foreach ($allFiles as $path) {
$usersSharing = $this->file->getAccessList($path);
$encryptionModule->update($path, $this->uid, $usersSharing);
}
}
/**
* Share an item with a user, group, or via private link
* @param string $itemType
* @param string $itemSource
* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string $shareWith User or group the item is being shared with
* @param int $permissions CRUDS
* @param string $itemSourceName
* @param \DateTime $expirationDate
* @param bool $passwordChanged
* @return boolean|string Returns true on success or false on failure, Returns token on success for links
* @throws \OC\HintException when the share type is remote and the shareWith is invalid
* @throws \Exception
*/
public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null, \DateTime $expirationDate = null, $passwordChanged = null)
{
$backend = self::getBackend($itemType);
$l = \OC::$server->getL10N('lib');
if ($backend->isShareTypeAllowed($shareType) === false) {
$message = 'Sharing %s failed, because the backend does not allow shares from type %i';
$message_t = $l->t('Sharing %s failed, because the backend does not allow shares from type %i', array($itemSourceName, $shareType));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareType), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
$uidOwner = \OC_User::getUser();
$shareWithinGroupOnly = self::shareWithGroupMembersOnly();
if (is_null($itemSourceName)) {
$itemSourceName = $itemSource;
}
$itemName = $itemSourceName;
// check if file can be shared
if ($itemType === 'file' or $itemType === 'folder') {
$path = \OC\Files\Filesystem::getPath($itemSource);
$itemName = $path;
// verify that the file exists before we try to share it
if (!$path) {
$message = 'Sharing %s failed, because the file does not exist';
$message_t = $l->t('Sharing %s failed, because the file does not exist', array($itemSourceName));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
// verify that the user has share permission
if (!\OC\Files\Filesystem::isSharable($path)) {
$message = 'You are not allowed to share %s';
$message_t = $l->t('You are not allowed to share %s', [$path]);
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $path), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
}
//verify that we don't share a folder which already contains a share mount point
if ($itemType === 'folder') {
$path = '/' . $uidOwner . '/files' . \OC\Files\Filesystem::getPath($itemSource) . '/';
$mountManager = \OC\Files\Filesystem::getMountManager();
$mounts = $mountManager->findIn($path);
foreach ($mounts as $mount) {
if ($mount->getStorage()->instanceOfStorage('\\OCA\\Files_Sharing\\ISharedStorage')) {
$message = 'Sharing "' . $itemSourceName . '" failed, because it contains files shared with you!';
\OCP\Util::writeLog('OCP\\Share', $message, \OCP\Util::DEBUG);
throw new \Exception($message);
}
}
}
// single file shares should never have delete permissions
if ($itemType === 'file') {
$permissions = (int) $permissions & ~\OCP\Constants::PERMISSION_DELETE;
}
//Validate expirationDate
if ($expirationDate !== null) {
try {
/*
* Reuse the validateExpireDate.
* We have to pass time() since the second arg is the time
* the file was shared, since it is not shared yet we just use
* the current time.
*/
$expirationDate = self::validateExpireDate($expirationDate->format('Y-m-d'), time(), $itemType, $itemSource);
} catch (\Exception $e) {
throw new \OC\HintException($e->getMessage(), $e->getMessage(), 404);
}
}
// Verify share type and sharing conditions are met
if ($shareType === self::SHARE_TYPE_USER) {
if ($shareWith == $uidOwner) {
$message = 'Sharing %s failed, because you can not share with yourself';
$message_t = $l->t('Sharing %s failed, because you can not share with yourself', [$itemName]);
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
if (!\OC_User::userExists($shareWith)) {
$message = 'Sharing %s failed, because the user %s does not exist';
$message_t = $l->t('Sharing %s failed, because the user %s does not exist', array($itemSourceName, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
if ($shareWithinGroupOnly) {
$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
if (empty($inGroup)) {
$message = 'Sharing %s failed, because the user ' . '%s is not a member of any groups that %s is a member of';
$message_t = $l->t('Sharing %s failed, because the user %s is not a member of any groups that %s is a member of', array($itemName, $shareWith, $uidOwner));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemName, $shareWith, $uidOwner), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
}
// Check if the item source is already shared with the user, either from the same owner or a different user
if ($checkExists = self::getItems($itemType, $itemSource, self::$shareTypeUserAndGroups, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a user share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
}
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_USER, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a user share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with user %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with user %s', array($itemSourceName, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OCP\Util::ERROR);
throw new \Exception($message_t);
}
}
} else {
if ($shareType === self::SHARE_TYPE_GROUP) {
if (!\OC_Group::groupExists($shareWith)) {
$message = 'Sharing %s failed, because the group %s does not exist';
$message_t = $l->t('Sharing %s failed, because the group %s does not exist', array($itemSourceName, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
if ($shareWithinGroupOnly && !\OC_Group::inGroup($uidOwner, $shareWith)) {
$message = 'Sharing %s failed, because ' . '%s is not a member of the group %s';
$message_t = $l->t('Sharing %s failed, because %s is not a member of the group %s', array($itemSourceName, $uidOwner, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $uidOwner, $shareWith), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
// Check if the item source is already shared with the group, either from the same owner or a different user
// The check for each user in the group is done inside the put() function
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_GROUP, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a group share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
}
// Convert share with into an array with the keys group and users
$group = $shareWith;
$shareWith = array();
$shareWith['group'] = $group;
$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
} else {
if ($shareType === self::SHARE_TYPE_LINK) {
$updateExistingShare = false;
if (\OC::$server->getAppConfig()->getValue('core', 'shareapi_allow_links', 'yes') == 'yes') {
// when updating a link share
// FIXME Don't delete link if we update it
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE, null, 1)) {
// remember old token
$oldToken = $checkExists['token'];
$oldPermissions = $checkExists['permissions'];
//delete the old share
Helper::delete($checkExists['id']);
$updateExistingShare = true;
}
if ($passwordChanged === null) {
// Generate hash of password - same method as user passwords
if (is_string($shareWith) && $shareWith !== '') {
self::verifyPassword($shareWith);
$shareWith = \OC::$server->getHasher()->hash($shareWith);
} else {
// reuse the already set password, but only if we change permissions
// otherwise the user disabled the password protection
if ($checkExists && (int) $permissions !== (int) $oldPermissions) {
$shareWith = $checkExists['share_with'];
}
}
} else {
if ($passwordChanged === true) {
if (is_string($shareWith) && $shareWith !== '') {
self::verifyPassword($shareWith);
$shareWith = \OC::$server->getHasher()->hash($shareWith);
}
} else {
if ($updateExistingShare) {
$shareWith = $checkExists['share_with'];
}
}
}
if (\OCP\Util::isPublicLinkPasswordRequired() && empty($shareWith)) {
$message = 'You need to provide a password to create a public link, only protected links are allowed';
$message_t = $l->t('You need to provide a password to create a public link, only protected links are allowed');
\OCP\Util::writeLog('OCP\\Share', $message, \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
if ($updateExistingShare === false && self::isDefaultExpireDateEnabled() && empty($expirationDate)) {
$expirationDate = Helper::calcExpireDate();
}
// Generate token
if (isset($oldToken)) {
$token = $oldToken;
} else {
$token = \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(self::TOKEN_LENGTH, \OCP\Security\ISecureRandom::CHAR_LOWER . \OCP\Security\ISecureRandom::CHAR_UPPER . \OCP\Security\ISecureRandom::CHAR_DIGITS);
}
$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName, $expirationDate);
if ($result) {
return $token;
} else {
return false;
}
}
$message = 'Sharing %s failed, because sharing with links is not allowed';
$message_t = $l->t('Sharing %s failed, because sharing with links is not allowed', array($itemSourceName));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName), \OCP\Util::DEBUG);
throw new \Exception($message_t);
} else {
if ($shareType === self::SHARE_TYPE_REMOTE) {
/*
* Check if file is not already shared with the remote user
*/
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_REMOTE, $shareWith, $uidOwner, self::FORMAT_NONE, null, 1, true, true)) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
$token = \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(self::TOKEN_LENGTH, \OCP\Security\ISecureRandom::CHAR_LOWER . \OCP\Security\ISecureRandom::CHAR_UPPER . \OCP\Security\ISecureRandom::CHAR_DIGITS);
list($user, $remote) = Helper::splitUserRemote($shareWith);
$shareWith = $user . '@' . $remote;
$shareId = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName);
$send = false;
if ($shareId) {
$send = self::sendRemoteShare($token, $shareWith, $itemSourceName, $shareId, $uidOwner);
}
if ($send === false) {
$currentUser = \OC::$server->getUserSession()->getUser()->getUID();
self::unshare($itemType, $itemSource, $shareType, $shareWith, $currentUser);
$message_t = $l->t('Sharing %s failed, could not find %s, maybe the server is currently unreachable.', array($itemSourceName, $shareWith));
throw new \Exception($message_t);
}
return $send;
} else {
// Future share types need to include their own conditions
$message = 'Share type %s is not valid for %s';
$message_t = $l->t('Share type %s is not valid for %s', array($shareType, $itemSource));
\OCP\Util::writeLog('OCP\\Share', sprintf($message, $shareType, $itemSource), \OCP\Util::DEBUG);
throw new \Exception($message_t);
}
}
}
}
// Put the item into the database
$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, null, $itemSourceName, $expirationDate);
return $result ? true : false;
}
$square = isset($_GET['square']) ? (bool) $_GET['square'] : false;
$scale = isset($_GET['scale']) ? $_GET['scale'] : 1;
$images = explode(';', $_GET['image']);
if (!empty($_GET['token'])) {
$linkItem = \OCP\Share::getShareByToken($_GET['token']);
if (!(is_array($linkItem) && isset($linkItem['uid_owner']))) {
exit;
}
// seems to be a valid share
$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
$user = $rootLinkItem['uid_owner'];
// Setup filesystem
OCP\JSON::checkUserExists($user);
OC_Util::tearDownFS();
OC_Util::setupFS($user);
$root = \OC\Files\Filesystem::getPath($linkItem['file_source']) . '/';
$images = array_map(function ($image) use($root) {
return $root . $image;
}, $images);
} else {
$root = '';
OCP\JSON::checkLoggedIn();
$user = OCP\User::getUser();
}
session_write_close();
$eventSource = new OC_EventSource();
foreach ($images as $image) {
$height = 200 * $scale;
if ($square) {
$width = 200 * $scale;
} else {
/**
* Sharing a file or folder via link/public
* @param array $params The hook params
*/
protected function shareFileOrFolder($params)
{
$path = Filesystem::getPath($params['fileSource']);
$this->addNotificationsForUser($this->currentUser, 'shared_link_self', array($path), $path, $params['itemType'] === 'file', $this->userSettings->getUserSetting($this->currentUser, 'stream', Files_Sharing::TYPE_SHARED), $this->userSettings->getUserSetting($this->currentUser, 'email', Files_Sharing::TYPE_SHARED) ? $this->userSettings->getUserSetting($this->currentUser, 'setting', 'batchtime') : 0);
}
/**
* Share an item with a user, group, or via private link
* @param string $itemType
* @param string $itemSource
* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string $shareWith User or group the item is being shared with
* @param int $permissions CRUDS
* @param string $itemSourceName
* @param \DateTime $expirationDate
* @return boolean|string Returns true on success or false on failure, Returns token on success for links
* @throws \Exception
*/
public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null, \DateTime $expirationDate = null)
{
$uidOwner = \OC_User::getUser();
$shareWithinGroupOnly = self::shareWithGroupMembersOnly();
$l = \OC_L10N::get('lib');
if (is_null($itemSourceName)) {
$itemSourceName = $itemSource;
}
// check if file can be shared
if ($itemType === 'file' or $itemType === 'folder') {
$path = \OC\Files\Filesystem::getPath($itemSource);
// verify that the file exists before we try to share it
if (!$path) {
$message = 'Sharing %s failed, because the file does not exist';
$message_t = $l->t('Sharing %s failed, because the file does not exist', array($itemSourceName));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName), \OC_Log::ERROR);
throw new \Exception($message_t);
}
// verify that the user has share permission
if (!\OC\Files\Filesystem::isSharable($path)) {
$message = 'You are not allowed to share %s';
$message_t = $l->t('You are not allowed to share %s', array($itemSourceName));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
//verify that we don't share a folder which already contains a share mount point
if ($itemType === 'folder') {
$path = '/' . $uidOwner . '/files' . \OC\Files\Filesystem::getPath($itemSource) . '/';
$mountManager = \OC\Files\Filesystem::getMountManager();
$mounts = $mountManager->findIn($path);
foreach ($mounts as $mount) {
if ($mount->getStorage()->instanceOfStorage('\\OCA\\Files_Sharing\\ISharedStorage')) {
$message = 'Sharing "' . $itemSourceName . '" failed, because it contains files shared with you!';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
}
// single file shares should never have delete permissions
if ($itemType === 'file') {
$permissions = (int) $permissions & ~\OCP\PERMISSION_DELETE;
}
// Verify share type and sharing conditions are met
if ($shareType === self::SHARE_TYPE_USER) {
if ($shareWith == $uidOwner) {
$message = 'Sharing %s failed, because the user %s is the item owner';
$message_t = $l->t('Sharing %s failed, because the user %s is the item owner', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
if (!\OC_User::userExists($shareWith)) {
$message = 'Sharing %s failed, because the user %s does not exist';
$message_t = $l->t('Sharing %s failed, because the user %s does not exist', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
if ($shareWithinGroupOnly) {
$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
if (empty($inGroup)) {
$message = 'Sharing %s failed, because the user ' . '%s is not a member of any groups that %s is a member of';
$message_t = $l->t('Sharing %s failed, because the user %s is not a member of any groups that %s is a member of', array($itemSourceName, $shareWith, $uidOwner));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith, $uidOwner), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
// Check if the item source is already shared with the user, either from the same owner or a different user
if ($checkExists = self::getItems($itemType, $itemSource, self::$shareTypeUserAndGroups, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a user share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
} else {
if ($shareType === self::SHARE_TYPE_GROUP) {
if (!\OC_Group::groupExists($shareWith)) {
$message = 'Sharing %s failed, because the group %s does not exist';
$message_t = $l->t('Sharing %s failed, because the group %s does not exist', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
if ($shareWithinGroupOnly && !\OC_Group::inGroup($uidOwner, $shareWith)) {
$message = 'Sharing %s failed, because ' . '%s is not a member of the group %s';
$message_t = $l->t('Sharing %s failed, because %s is not a member of the group %s', array($itemSourceName, $uidOwner, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $uidOwner, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
// Check if the item source is already shared with the group, either from the same owner or a different user
// The check for each user in the group is done inside the put() function
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_GROUP, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a group share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing %s failed, because this item is already shared with %s';
$message_t = $l->t('Sharing %s failed, because this item is already shared with %s', array($itemSourceName, $shareWith));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName, $shareWith), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
// Convert share with into an array with the keys group and users
$group = $shareWith;
$shareWith = array();
$shareWith['group'] = $group;
$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
} else {
if ($shareType === self::SHARE_TYPE_LINK) {
$updateExistingShare = false;
if (\OC_Appconfig::getValue('core', 'shareapi_allow_links', 'yes') == 'yes') {
// when updating a link share
// FIXME Don't delete link if we update it
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE, null, 1)) {
// remember old token
$oldToken = $checkExists['token'];
$oldPermissions = $checkExists['permissions'];
//delete the old share
Helper::delete($checkExists['id']);
$updateExistingShare = true;
}
// Generate hash of password - same method as user passwords
if (!empty($shareWith)) {
$forcePortable = CRYPT_BLOWFISH != 1;
$hasher = new \PasswordHash(8, $forcePortable);
$shareWith = $hasher->HashPassword($shareWith . \OC_Config::getValue('passwordsalt', ''));
} else {
// reuse the already set password, but only if we change permissions
// otherwise the user disabled the password protection
if ($checkExists && (int) $permissions !== (int) $oldPermissions) {
$shareWith = $checkExists['share_with'];
}
}
if (\OCP\Util::isPublicLinkPasswordRequired() && empty($shareWith)) {
$message = 'You need to provide a password to create a public link, only protected links are allowed';
$message_t = $l->t('You need to provide a password to create a public link, only protected links are allowed');
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message_t);
}
if ($updateExistingShare === false && self::isDefaultExpireDateEnabled() && empty($expirationDate)) {
$expirationDate = Helper::calcExpireDate();
}
// Generate token
if (isset($oldToken)) {
$token = $oldToken;
} else {
$token = \OC_Util::generateRandomBytes(self::TOKEN_LENGTH);
}
$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName, $expirationDate);
if ($result) {
return $token;
} else {
return false;
}
}
$message = 'Sharing %s failed, because sharing with links is not allowed';
$message_t = $l->t('Sharing %s failed, because sharing with links is not allowed', array($itemSourceName));
\OC_Log::write('OCP\\Share', sprintf($message, $itemSourceName), \OC_Log::ERROR);
throw new \Exception($message_t);
return false;
} else {
// Future share types need to include their own conditions
$message = 'Share type %s is not valid for %s';
$message_t = $l->t('Share type %s is not valid for %s', array($shareType, $itemSource));
\OC_Log::write('OCP\\Share', sprintf($message, $shareType, $itemSource), \OC_Log::ERROR);
throw new \Exception($message_t);
}
}
}
// Put the item into the database
return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, null, $itemSourceName, $expirationDate);
}
/**
* get file
*
* @param string $user
* @param int $fileSource
* @return array with internal path of the file and a absolute link to it
*/
private function getFile($user, $fileSource)
{
\OC_Util::setupFS($user);
$file = \OC\Files\Filesystem::getPath($fileSource);
$args = \OC\Files\Filesystem::is_dir($file) ? array('dir' => $file) : array('dir' => dirname($file), 'scrollto' => $file);
$link = \OCP\Util::linkToAbsolute('files', 'index.php', $args);
return array($file, $link);
}
$linkItem = OCP\Share::getShareByToken($_POST['dirToken']);
if ($linkItem === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Invalid Token')))));
die;
}
if (!($linkItem['permissions'] & OCP\PERMISSION_CREATE)) {
OCP\JSON::checkLoggedIn();
} else {
// resolve reshares
$rootLinkItem = OCP\Share::resolveReShare($linkItem);
OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
// Setup FS with owner
OC_Util::tearDownFS();
OC_Util::setupFS($rootLinkItem['uid_owner']);
// The token defines the target directory (security reasons)
$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
$dir = sprintf("/%s/%s", $path, $publicDirectory);
if (!$dir || empty($dir) || $dir === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
die;
}
$dir = rtrim($dir, '/');
}
}
OCP\JSON::callCheck();
if (!\OCP\App::isEnabled('files_encryption')) {
// encryption app need to create keys later, so can't close too early
\OC::$session->close();
}
// get array with current storage stats (e.g. max file size)
$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
if (Config::get('enable', 'false') === 'false') {
Util::changeHttpStatus(403);
exit;
}
/* id defaults to 'root' (meaning 'serve root feed') */
$id = isset($_GET['id']) ? $_GET['id'] : 'root';
/* if either pid or tid is set, serve preview image for id */
if (isset($_GET['pid'])) {
$id = (int) $_GET['pid'];
$type = 'cover';
}
if (isset($_GET['tid'])) {
$id = (int) $_GET['tid'];
$type = 'thumbnail';
}
$dir = \OC\Files\Filesystem::normalizePath(\OC\Files\Filesystem::getPath($id));
$root = Config::get('root_path', '/Library');
/* Only feed files descending from designated root directory */
if (!Files::isChild($root, $dir)) {
$dir = $root;
}
$dirInfo = \OC\Files\Filesystem::getFileInfo($dir);
/* If requested resource is a file, serve it, otherwise produce opds feed */
switch ($dirInfo->getType()) {
case 'file':
if ($type) {
Feed::servePreview($dir, $type);
} else {
Feed::serveFile($dir, $id);
}
break;
/**
* update share keys if a file was shared
*/
public static function postShared($params)
{
if (\OCP\App::isEnabled('files_encryption') === false) {
return true;
}
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
$path = \OC\Files\Filesystem::getPath($params['fileSource']);
self::updateKeyfiles($path);
}
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @SSOCORS
*/
public function unshare($id, $type)
{
$shareWith = null;
$path = \OC\Files\Filesystem::getPath($id);
$response = array('id' => $id);
if ($path === null) {
if ($type == 'file') {
$error_msg = self::msg_idNotExist;
} else {
$replacement = '${1}folder${3}';
$error_msg = preg_replace($this->fileTypePattern, $replacement, self::msg_idNotExist);
}
return new DataResponse(array('data' => $response, 'status' => 'error', 'message' => $error_msg));
}
if (\OC\Files\Filesystem::filetype($path) !== $type) {
$replacement = '${1}\'' . $type . '\'${3}' . 'id: ' . $id;
$error_msg = preg_replace($this->errorTypePattern, $replacement, self::msg_errorType);
return new DataResponse(array('data' => $response, 'status' => 'error', 'message' => $error_msg));
}
if ($type == 'dir') {
$type = 'folder';
}
$unshare = \OCP\Share::unshare((string) $type, (string) $id, (int) $this->shareType, $shareWith);
if ($unshare) {
return new DataResponse(array('data' => $response, 'status' => 'success'));
} else {
$replacement = '${1}folder${3}';
$error_msg = preg_replace($this->fileTypePattern, $replacement, self::msg_noRequireUnshareBeforeShare);
return new DataResponse(array('data' => $response, 'status' => 'error', 'message' => $error_msg));
}
}
/**
* @param $token
* @return null|string
*/
private function getPath($token)
{
$linkItem = Share::getShareByToken($token, false);
$path = null;
if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
// seems to be a valid share
$rootLinkItem = Share::resolveReShare($linkItem);
if (isset($rootLinkItem['uid_owner'])) {
JSON::checkUserExists($rootLinkItem['uid_owner']);
OC_Util::tearDownFS();
OC_Util::setupFS($rootLinkItem['uid_owner']);
$path = Filesystem::getPath($linkItem['file_source']);
}
}
return $path;
}
/**
* Get the path of a file by id
*
* Note that the resulting path is not guaranteed to be unique for the id, multiple paths can point to the same file
*
* @param int $fileId
* @return string
*/
public function getPath($fileId)
{
return \OC\Files\Filesystem::getPath($fileId);
}
/**
* unshare file/folder from a user with whom you shared the file before
*/
public static function postUnshare($params)
{
if (\OCP\App::isEnabled('files_encryption') === false) {
return true;
}
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
$view = new \OC\Files\View('/');
$userId = \OCP\User::getUser();
$util = new Util($view, $userId);
$path = \OC\Files\Filesystem::getPath($params['fileSource']);
// for group shares get a list of the group members
if ($params['shareType'] === \OCP\Share::SHARE_TYPE_GROUP) {
$userIds = \OC_Group::usersInGroup($params['shareWith']);
} else {
if ($params['shareType'] === \OCP\Share::SHARE_TYPE_LINK) {
$userIds = array($util->getPublicShareKeyId());
} else {
$userIds = array($params['shareWith']);
}
}
$mountManager = \OC\Files\Filesystem::getMountManager();
$mount = $mountManager->find('/' . $userId . '/files' . $path);
$mountPoint = $mount->getMountPoint();
// if we unshare a folder we need a list of all (sub-)files
if ($params['itemType'] === 'folder') {
$allFiles = $util->getAllFiles($path, $mountPoint);
} else {
$allFiles = array($path);
}
foreach ($allFiles as $path) {
// check if the user still has access to the file, otherwise delete share key
$sharingUsers = $util->getSharingUsersArray(true, $path);
// Unshare every user who no longer has access to the file
$delUsers = array_diff($userIds, $sharingUsers);
list($owner, $ownerPath) = $util->getUidAndFilename($path);
// delete share key
Keymanager::delShareKey($view, $delUsers, $ownerPath, $owner);
}
}
}
/**
* @brief Sharing a file or folder via link/public
* @param array $params The hook params
*/
public static function shareFileOrFolder($params)
{
if (UserSettings::getUserSetting(\OCP\User::getUser(), 'setting', 'self') && UserSettings::getUserSetting(\OCP\User::getUser(), 'stream', Data::TYPE_SHARED)) {
$path = \OC\Files\Filesystem::getPath($params['fileSource']);
$link = \OCP\Util::linkToAbsolute('files', 'index.php', array('dir' => $params['itemType'] === 'file' ? dirname($path) : $path));
Data::send('files', 'shared_link_self', array($path), '', array(), $path, $link, \OCP\User::getUser(), Data::TYPE_SHARED, Data::PRIORITY_MEDIUM);
}
}
/**
* Share an item with a user, group, or via private link
* @param string $itemType
* @param string $itemSource
* @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @param string $shareWith User or group the item is being shared with
* @param int $permissions CRUDS
* @param null $itemSourceName
* @throws \Exception
* @internal param \OCP\Item $string type
* @internal param \OCP\Item $string source
* @internal param \OCP\SHARE_TYPE_USER $int , SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
* @internal param \OCP\User $string or group the item is being shared with
* @internal param \OCP\CRUDS $int permissions
* @return bool|string Returns true on success or false on failure, Returns token on success for links
*/
public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions, $itemSourceName = null)
{
$uidOwner = \OC_User::getUser();
$sharingPolicy = \OC_Appconfig::getValue('core', 'shareapi_share_policy', 'global');
if (is_null($itemSourceName)) {
$itemSourceName = $itemSource;
}
// verify that the file exists before we try to share it
if ($itemType === 'file' or $itemType === 'folder') {
$path = \OC\Files\Filesystem::getPath($itemSource);
if (!$path) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the file does not exist';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
// Verify share type and sharing conditions are met
if ($shareType === self::SHARE_TYPE_USER) {
if ($shareWith == $uidOwner) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the user ' . $shareWith . ' is the item owner';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
if (!\OC_User::userExists($shareWith)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the user ' . $shareWith . ' does not exist';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
if ($sharingPolicy == 'groups_only') {
$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
if (empty($inGroup)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the user ' . $shareWith . ' is not a member of any groups that ' . $uidOwner . ' is a member of';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
// Check if the item source is already shared with the user, either from the same owner or a different user
if ($checkExists = self::getItems($itemType, $itemSource, self::$shareTypeUserAndGroups, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a user share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing ' . $itemSourceName . ' failed, because this item is already shared with ' . $shareWith;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
} else {
if ($shareType === self::SHARE_TYPE_GROUP) {
if (!\OC_Group::groupExists($shareWith)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because the group ' . $shareWith . ' does not exist';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
if ($sharingPolicy == 'groups_only' && !\OC_Group::inGroup($uidOwner, $shareWith)) {
$message = 'Sharing ' . $itemSourceName . ' failed, because ' . $uidOwner . ' is not a member of the group ' . $shareWith;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
// Check if the item source is already shared with the group, either from the same owner or a different user
// The check for each user in the group is done inside the put() function
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_GROUP, $shareWith, null, self::FORMAT_NONE, null, 1, true, true)) {
// Only allow the same share to occur again if it is the same
// owner and is not a group share, this use case is for increasing
// permissions for a specific user
if ($checkExists['uid_owner'] != $uidOwner || $checkExists['share_type'] == $shareType) {
$message = 'Sharing ' . $itemSourceName . ' failed, because this item is already shared with ' . $shareWith;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
// Convert share with into an array with the keys group and users
$group = $shareWith;
$shareWith = array();
$shareWith['group'] = $group;
$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
} else {
if ($shareType === self::SHARE_TYPE_LINK) {
if (\OC_Appconfig::getValue('core', 'shareapi_allow_links', 'yes') == 'yes') {
// when updating a link share
if ($checkExists = self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE, null, 1)) {
// remember old token
$oldToken = $checkExists['token'];
$oldPermissions = $checkExists['permissions'];
//delete the old share
self::delete($checkExists['id']);
}
// Generate hash of password - same method as user passwords
if (isset($shareWith)) {
$forcePortable = CRYPT_BLOWFISH != 1;
$hasher = new \PasswordHash(8, $forcePortable);
$shareWith = $hasher->HashPassword($shareWith . \OC_Config::getValue('passwordsalt', ''));
} else {
// reuse the already set password, but only if we change permissions
// otherwise the user disabled the password protection
if ($checkExists && (int) $permissions !== (int) $oldPermissions) {
$shareWith = $checkExists['share_with'];
}
}
// Generate token
if (isset($oldToken)) {
$token = $oldToken;
} else {
$token = \OC_Util::generateRandomBytes(self::TOKEN_LENGTH);
}
$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName);
if ($result) {
return $token;
} else {
return false;
}
}
$message = 'Sharing ' . $itemSourceName . ' failed, because sharing with links is not allowed';
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
return false;
// } else if ($shareType === self::SHARE_TYPE_CONTACT) {
// if (!\OC_App::isEnabled('contacts')) {
// $message = 'Sharing '.$itemSource.' failed, because the contacts app is not enabled';
// \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
// return false;
// }
// $vcard = \OC_Contacts_App::getContactVCard($shareWith);
// if (!isset($vcard)) {
// $message = 'Sharing '.$itemSource.' failed, because the contact does not exist';
// \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
// throw new \Exception($message);
// }
// $details = \OC_Contacts_VCard::structureContact($vcard);
// // TODO Add ownCloud user to contacts vcard
// if (!isset($details['EMAIL'])) {
// $message = 'Sharing '.$itemSource.' failed, because no email address is associated with the contact';
// \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
// throw new \Exception($message);
// }
// return self::shareItem($itemType, $itemSource, self::SHARE_TYPE_EMAIL, $details['EMAIL'], $permissions);
} else {
// Future share types need to include their own conditions
$message = 'Share type ' . $shareType . ' is not valid for ' . $itemSource;
\OC_Log::write('OCP\\Share', $message, \OC_Log::ERROR);
throw new \Exception($message);
}
}
}
// If the item is a folder, scan through the folder looking for equivalent item types
// if ($itemType == 'folder') {
// $parentFolder = self::put('folder', $itemSource, $shareType, $shareWith, $uidOwner, $permissions, true);
// if ($parentFolder && $files = \OC\Files\Filesystem::getDirectoryContent($itemSource)) {
// for ($i = 0; $i < count($files); $i++) {
// $name = substr($files[$i]['name'], strpos($files[$i]['name'], $itemSource) - strlen($itemSource));
// if ($files[$i]['mimetype'] == 'httpd/unix-directory'
// && $children = \OC\Files\Filesystem::getDirectoryContent($name, '/')
// ) {
// // Continue scanning into child folders
// array_push($files, $children);
// } else {
// // Check file extension for an equivalent item type to convert to
// $extension = strtolower(substr($itemSource, strrpos($itemSource, '.') + 1));
// foreach (self::$backends as $type => $backend) {
// if (isset($backend->dependsOn) && $backend->dependsOn == 'file' && isset($backend->supportedFileExtensions) && in_array($extension, $backend->supportedFileExtensions)) {
// $itemType = $type;
// break;
// }
// }
// // Pass on to put() to check if this item should be converted, the item won't be inserted into the database unless it can be converted
// self::put($itemType, $name, $shareType, $shareWith, $uidOwner, $permissions, $parentFolder);
// }
// }
// return true;
// }
// return false;
// } else {
// Put the item into the database
return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, null, $itemSourceName);
// }
}
private static function getInternalFileAttachment($attachment) {
$path = urldecode($attachment['path']);
$path = substr($path, strpos($path, "/")+1 ); //remove root folder "files/"
$userId = OC_User::getUser();
if ( $attachment['owner'] == $userId ) {
// file-owner can use own path
$path = \OC\Files\Filesystem::getPath($attachment['fileid']);
} else {
$item_shared = OCP\Share::getItemSharedWithBySource('file', $attachment['fileid']);
if ( $item_shared != false ) { // if item is direct shared use shared-file target
$path = $item_shared['file_target'];
} else {
// else search shared parent folder
$path = "/" . self::getInheritedSharedPath( urldecode($attachment['path']), $userId, $attachment['owner'] );
}
$ocVersion = OCP\Util::getVersion();
if ( $ocVersion[0] < 7 ) {
$path = "/Shared" . $path;
}
}
$view = new \OC\Files\View('/' . $userId . '/files');
$fileinfo = $view->getFileInfo($path);
$download_url = OCP\Util::linkToRoute('download', array('file' => $path));
// File not found
if ( \OC\Files\Filesystem::is_file( $path ) == false ) {
$fileinfo['name'] = "File not found.";
$download_url = "#";
}
$result = array(
"type" => $attachment['type'],
"mimetype" => $fileinfo['mimetype'],
"name" => $fileinfo['name'],
"path" => $path,
"download_url" => $download_url
);
return $result;
}
/**
* @brief scan files for metadata
*
* @param int $id fileid
* @return array $meta metadata
*/
public static function scan($id)
{
$meta = self::create($id);
$path = \OC\Files\Filesystem::getLocalFile(\OC\Files\Filesystem::getPath($id));
/* scan for Calibre-generated metadata.opf first. If found, use it as metadata source,
* if not found continue file/isbn/etc scan
*/
if (!Calibre::get($path, $meta)) {
/* try to call function named 'type' with signature type($path,$meta)
* eg, pdf(), epub(), etc
*/
$type = strtolower(substr(strrchr($path, "."), 1));
if (is_callable(array(__CLASS__, $type))) {
try {
self::$type($path, $meta);
} catch (Exception $e) {
Util::logWarn("no metadata scanner for format " . $type);
}
}
}
/* if title is not set, assume metadata was invalid or not present
* use filename as title
*/
if (!$meta['title']) {
$info = pathinfo($path);
$meta['title'] = basename($path, '.' . $info['extension']);
}
self::save($meta);
return $meta;
}
/**
* @param string $token
* @return string Resolved file path of the token
* @throws \Exception In case share could not get properly resolved
*/
private function getPath($token)
{
$linkItem = Share::getShareByToken($token, false);
if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
// seems to be a valid share
$rootLinkItem = Share::resolveReShare($linkItem);
if (isset($rootLinkItem['uid_owner'])) {
if (!$this->userManager->userExists($rootLinkItem['uid_owner'])) {
throw new \Exception('Owner of the share does not exist anymore');
}
OC_Util::tearDownFS();
OC_Util::setupFS($rootLinkItem['uid_owner']);
$path = Filesystem::getPath($linkItem['file_source']);
if (!empty($path) && Filesystem::isReadable($path)) {
return $path;
}
}
}
throw new \Exception('No file found belonging to file.');
}
