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@ -27,7 +27,7 @@ namespace OCP;
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/**
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* This class provides the ability for apps to share their content between users.
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* Apps must create a backend class that extends OCP\Share_Backend and register it with this class.
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* Apps must create a backend class that implements OCP\Share_Backend and register it with this class.
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*/
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class Share {
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@ -60,7 +60,7 @@ class Share {
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private static $backendTypes = array();
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/**
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* @brief Register a sharing backend class that extends OCP\Share_Backend for an item type
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* @brief Register a sharing backend class that implements OCP\Share_Backend for an item type
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* @param string Item type
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* @param string Backend class
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* @param string (optional) Depends on item type
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@ -112,41 +112,41 @@ class Share {
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/**
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* @brief Get the shared item of item type owned by the current user
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* @param string Item type
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* @param string Item
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* @param string Item source
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* @param int Format (optional) Format type must be defined by the backend
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* @return Return depends on format
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*/
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public static function getItemShared($itemType, $item, $format = self::FORMAT_NONE, $parameters = null, $includeCollections = false) {
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return self::getItems($itemType, $item, null, null, \OC_User::getUser(), $format, $parameters, -1, $includeCollections);
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public static function getItemShared($itemType, $itemSource, $format = self::FORMAT_NONE, $parameters = null, $includeCollections = false) {
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return self::getItems($itemType, $itemSource, null, null, \OC_User::getUser(), $format, $parameters, -1, $includeCollections);
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}
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/**
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* @brief Share an item with a user, group, or via private link
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* @param string Item type
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* @param string Item
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* @param string Item source
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* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
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* @param string User or group the item is being shared with
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* @param int CRUDS permissions
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* @return bool Returns true on success or false on failure
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*/
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public static function share($itemType, $item, $shareType, $shareWith, $permissions) {
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public static function share($itemType, $itemSource, $shareType, $shareWith, $permissions) {
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$uidOwner = \OC_User::getUser();
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// Verify share type and sharing conditions are met
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switch ($shareType) {
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case self::SHARE_TYPE_USER:
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if ($shareWith == $uidOwner) {
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$message = 'Sharing '.$item.' failed, because the user '.$shareWith.' is the item owner';
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$message = 'Sharing '.$itemSource.' failed, because the user '.$shareWith.' is the itemSource owner';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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}
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if (!\OC_User::userExists($shareWith)) {
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$message = 'Sharing '.$item.' failed, because the user '.$shareWith.' does not exist';
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$message = 'Sharing '.$itemSource.' failed, because the user '.$shareWith.' does not exist';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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} else {
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$inGroup = array_intersect(\OC_Group::getUserGroups($uidOwner), \OC_Group::getUserGroups($shareWith));
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if (empty($inGroup)) {
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$message = 'Sharing '.$item.' failed, because the user '.$shareWith.' is not a member of any groups that '.$uidOwner.' is a member of';
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$message = 'Sharing '.$itemSource.' failed, because the user '.$shareWith.' is not a member of any groups that '.$uidOwner.' is a member of';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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}
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@ -154,11 +154,11 @@ class Share {
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break;
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case self::SHARE_TYPE_GROUP:
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if (!\OC_Group::groupExists($shareWith)) {
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$message = 'Sharing '.$item.' failed, because the group '.$shareWith.' does not exist';
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$message = 'Sharing '.$itemSource.' failed, because the group '.$shareWith.' does not exist';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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} else if (!\OC_Group::inGroup($uidOwner, $shareWith)) {
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$message = 'Sharing '.$item.' failed, because '.$uidOwner.' is not a member of the group '.$shareWith;
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$message = 'Sharing '.$itemSource.' failed, because '.$uidOwner.' is not a member of the group '.$shareWith;
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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}
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@ -169,45 +169,46 @@ class Share {
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$shareWith['users'] = array_diff(\OC_Group::usersInGroup($group), array($uidOwner));
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break;
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case self::SHARE_TYPE_PRIVATE_LINK:
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$shareWith = md5(uniqid($item, true));
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return self::put($itemType, $item, $shareType, $shareWith, $uidOwner, $permissions);
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$shareWith = md5(uniqid($itemSource, true));
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return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions);
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case self::SHARE_TYPE_CONTACT:
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if (!\OC_App::isEnabled('contacts')) {
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$message = 'Sharing '.$item.' failed, because the contacts app is not enabled';
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$message = 'Sharing '.$itemSource.' failed, because the contacts app is not enabled';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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return false;
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}
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$vcard = \OC_Contacts_App::getContactVCard($shareWith);
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if (!isset($vcard)) {
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$message = 'Sharing '.$item.' failed, because the contact does not exist';
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$message = 'Sharing '.$itemSource.' failed, because the contact does not exist';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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}
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$details = \OC_Contacts_VCard::structureContact($vcard);
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// TODO Add ownCloud user to contacts vcard
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if (!isset($details['EMAIL'])) {
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$message = 'Sharing '.$item.' failed, because no email address is associated with the contact';
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$message = 'Sharing '.$itemSource.' failed, because no email address is associated with the contact';
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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}
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return self::share($itemType, $item, self::SHARE_TYPE_EMAIL, $details['EMAIL'], $permissions);
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return self::share($itemType, $itemSource, self::SHARE_TYPE_EMAIL, $details['EMAIL'], $permissions);
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break;
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// Future share types need to include their own conditions
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default:
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\OC_Log::write('OCP\Share', 'Share type '.$shareType.' is not valid for '.$item, \OC_Log::ERROR);
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\OC_Log::write('OCP\Share', 'Share type '.$shareType.' is not valid for '.$itemSource, \OC_Log::ERROR);
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return false;
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}
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if (self::getItems($itemType, $item, $shareType, $shareWith, $uidOwner, self::FORMAT_NONE, null, 1, true)) {
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$message = 'Sharing '.$item.' failed, because this item is already shared with '.$shareWith;
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// TODO This query has pretty bad performance if there are large collections, figure out a way to make the collection searching more efficient
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if (self::getItems($itemType, $itemSource, $shareType, $shareWith, $uidOwner, self::FORMAT_NONE, null, 1, true)) {
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$message = 'Sharing '.$itemSource.' failed, because this itemSource is already shared with '.$shareWith;
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\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);
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throw new \Exception($message);
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}
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// If the item is a folder, scan through the folder looking for equivalent item types
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if ($itemType == 'folder') {
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$parentFolder = self::put('folder', $item, $shareType, $shareWith, $uidOwner, $permissions, true);
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if ($parentFolder && $files = \OC_Files::getDirectoryContent($item)) {
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$parentFolder = self::put('folder', $itemSource, $shareType, $shareWith, $uidOwner, $permissions, true);
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if ($parentFolder && $files = \OC_Files::getDirectoryContent($itemSource)) {
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for ($i = 0; $i < count($files); $i++) {
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$name = substr($files[$i]['name'], strpos($files[$i]['name'], $item) - strlen($item));
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$name = substr($files[$i]['name'], strpos($files[$i]['name'], $itemSource) - strlen($itemSource));
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if ($files[$i]['mimetype'] == 'httpd/unix-directory' && $children = \OC_Files::getDirectoryContent($name, '/')) {
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// Continue scanning into child folders
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array_push($files, $children);
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@ -221,20 +222,20 @@ class Share {
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return false;
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} else {
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// Put the item into the database
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return self::put($itemType, $item, $shareType, $shareWith, $uidOwner, $permissions);
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return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions);
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}
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}
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/**
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* @brief Unshare an item from a user, group, or delete a private link
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* @param string Item type
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* @param string Item
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* @param string Item source
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* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
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* @param string User or group the item is being shared with
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* @return Returns true on success or false on failure
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*/
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public static function unshare($itemType, $item, $shareType, $shareWith) {
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if ($item = self::getItems($itemType, $item, $shareType, $shareWith, \OC_User::getUser(), self::FORMAT_NONE, null, 1, false)) {
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public static function unshare($itemType, $itemSource, $shareType, $shareWith) {
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if ($item = self::getItems($itemType, $itemSource, $shareType, $shareWith, \OC_User::getUser(), self::FORMAT_NONE, null, 1, false)) {
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self::delete($item['id']);
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return true;
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}
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@ -315,20 +316,20 @@ class Share {
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/**
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* @brief Set the permissions of an item for a specific user or group
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* @param string Item type
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* @param string Item
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* @param string Item source
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* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
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* @param string User or group the item is being shared with
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* @param int CRUDS permissions
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* @return Returns true on success or false on failure
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*/
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public static function setPermissions($itemType, $item, $shareType, $shareWith, $permissions) {
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if ($item = self::getItems($itemType, $item, $shareType, $shareWith, \OC_User::getUser(), self::FORMAT_NONE, null, 1, false)) {
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public static function setPermissions($itemType, $itemSource, $shareType, $shareWith, $permissions) {
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if ($item = self::getItems($itemType, $itemSource, $shareType, $shareWith, \OC_User::getUser(), self::FORMAT_NONE, null, 1, false)) {
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// Check if this item is a reshare and verify that the permissions granted don't exceed the parent shared item
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if (isset($item['parent'])) {
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$query = \OC_DB::prepare('SELECT permissions FROM *PREFIX*share WHERE id = ? LIMIT 1');
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$result = $query->execute(array($item['parent']))->fetchRow();
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if (~(int)$result['permissions'] & $permissions) {
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\OC_Log::write('OCP\Share', 'Setting permissions for '.$item.' failed, because the permissions exceed permissions granted to the parent item', \OC_Log::ERROR);
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\OC_Log::write('OCP\Share', 'Setting permissions for '.$itemSource.' failed, because the permissions exceed permissions granted to the parent item', \OC_Log::ERROR);
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return false;
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}
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}
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@ -367,7 +368,7 @@ class Share {
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}
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return true;
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}
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\OC_Log::write('OCP\Share', 'Setting permissions for '.$item.' failed, because the item was not found', \OC_Log::ERROR);
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\OC_Log::write('OCP\Share', 'Setting permissions for '.$itemSource.' failed, because the item was not found', \OC_Log::ERROR);
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return false;
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}
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@ -383,8 +384,8 @@ class Share {
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$class = self::$backendTypes[$itemType]['class'];
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if (class_exists($class)) {
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self::$backends[$itemType] = new $class;
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if (!is_subclass_of(self::$backends[$itemType], 'OCP\Share_Backend')) {
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\OC_Log::write('OCP\Share', 'Sharing backend '.$class.' must extend abstract class OC_Share_Backend', \OC_Log::ERROR);
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if (!(self::$backends[$itemType] instanceof Share_Backend)) {
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\OC_Log::write('OCP\Share', 'Sharing backend '.$class.' must implement the interface OCP\Share_Backend', \OC_Log::ERROR);
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return false;
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}
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return self::$backends[$itemType];
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@ -419,14 +420,14 @@ class Share {
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/**
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* @brief Get shared items from the database
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* @param string Item type
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* @param string Item or item target (optional)
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* @param string Item source or target (optional)
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* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, SHARE_TYPE_PRIVATE_LINK, $shareTypeUserAndGroups, or $shareTypeGroupUserUnique
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* @param string User or group the item is being shared with
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* @param string User that is the owner of shared items (optional)
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* @param int Format to convert items to with formatItems()
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* @param mixed Parameters to pass to formatItems()
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* @param int Number of items to return, -1 to return all matches (optional)
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* @param bool Is item the source (optional)
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* @param bool Include collection item types (optional)
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* @return mixed
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*
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* See public functions getItem(s)... for parameter usage
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@ -434,8 +435,10 @@ class Share {
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*/
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private static function getItems($itemType, $item = null, $shareType = null, $shareWith = null, $uidOwner = null, $format = self::FORMAT_NONE, $parameters = null, $limit = -1, $includeCollections = false) {
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if ($backend = self::getBackend($itemType)) {
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// Get filesystem root to add it to the file target and remove from the file source
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$root = \OC_Filesystem::getRoot();
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// If includeCollections is true, find collections of this item type, e.g. a music album contains songs
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if ($includeCollections && $collectionTypes = self::getCollectionItemTypes($itemType)) {
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if ($includeCollections && !isset($item) && $collectionTypes = self::getCollectionItemTypes($itemType)) {
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$where = "WHERE item_type IN ('".implode("','", array_merge(array($itemType), $collectionTypes))."')";
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} else {
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$where = "WHERE item_type = '".$itemType."'";
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@ -457,22 +460,27 @@ class Share {
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// Prevent unique user targets for group shares from being selected
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$where .= " AND share_type != '".self::$shareTypeGroupUserUnique."'";
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}
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if ($itemType == 'file' || $itemType == 'folder') {
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$where = "INNER JOIN *PREFIX*fscache ON file_source = *PREFIX*fscache.id ".$where;
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$column = 'file_source';
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} else {
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$column = 'item_source';
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}
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if (isset($item) && !$includeCollections) {
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} else {
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if ($itemType == 'file' || $itemType == 'folder') {
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$column = 'file_target';
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} else {
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$column = 'item_target';
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}
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}
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if (isset($item)) {
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// If looking for own shared items, check item_source else check item_target
|
|
|
|
|
if (isset($uidOwner)) {
|
|
|
|
|
$source = $backend->getSource($item, $uidOwner);
|
|
|
|
|
// If item type is a file, file source needs to be checked in case the item was converted
|
|
|
|
|
if ($itemType == 'file' || $itemType == 'folder') {
|
|
|
|
|
$where .= " AND file_source = ".\OC_FileCache::getId($source['file']);
|
|
|
|
|
$where .= " AND path = '".$root.$item."'";
|
|
|
|
|
} else {
|
|
|
|
|
// Check if this item depends on a file and getSource() returned an array
|
|
|
|
|
if (is_array($source)) {
|
|
|
|
|
$itemSource = $source['item'];
|
|
|
|
|
} else {
|
|
|
|
|
$itemSource = $source;
|
|
|
|
|
}
|
|
|
|
|
$where .= " AND item_source = '".$itemSource."'";
|
|
|
|
|
$where .= " AND item_source = '".$item."'";
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if ($itemType == 'file' || $itemType == 'folder') {
|
|
|
|
@ -481,53 +489,70 @@ class Share {
|
|
|
|
|
$where .= " AND item_target = '".$item."'";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else if ($itemType == 'file') {
|
|
|
|
|
// TODO Exclude converted items inside shared folders
|
|
|
|
|
if ($includeCollections && $collectionTypes = self::getCollectionItemTypes($itemType)) {
|
|
|
|
|
$where .= " OR item_type IN ('".implode("','", $collectionTypes)."')";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if ($limit != -1 && !$includeCollections) {
|
|
|
|
|
if ($shareType == self::$shareTypeUserAndGroups) {
|
|
|
|
|
// Make sure the unique user target is returned if it exists, unique targets should follow the group share in the database
|
|
|
|
|
// If the limit is not 1, the filtering can be done later
|
|
|
|
|
$where .= ' ORDER BY id DESC';
|
|
|
|
|
$where .= ' ORDER BY *PREFIX*share.id DESC';
|
|
|
|
|
}
|
|
|
|
|
$where .= ' LIMIT '.$limit;
|
|
|
|
|
}
|
|
|
|
|
if ($format == self::FORMAT_STATUSES) {
|
|
|
|
|
$select = 'id, item_type, item, item_source, parent, share_type';
|
|
|
|
|
} else if ($format == self::FORMAT_SOURCES) {
|
|
|
|
|
if ($itemType == 'file' || $itemType == 'folder') {
|
|
|
|
|
$select = '*PREFIX*share.id, item_type, *PREFIX*share.parent, share_type, *PREFIX*fscache.path as file_source';
|
|
|
|
|
} else {
|
|
|
|
|
$select = 'id, item_source, parent, share_type';
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if (isset($uidOwner)) {
|
|
|
|
|
$select = 'id, item_type, item, item_source, parent, share_type, share_with, permissions, stime, file_source';
|
|
|
|
|
if ($itemType == 'file' || $itemType == 'folder') {
|
|
|
|
|
$select = '*PREFIX*share.id, item_type, *PREFIX*fscache.path as file_source, *PREFIX*share.parent, share_type, share_with, permissions, stime';
|
|
|
|
|
} else {
|
|
|
|
|
$select = 'id, item_type, item_source, parent, share_type, share_with, permissions, stime, file_source';
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$select = '*';
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
error_log($where);
|
|
|
|
|
$root = strlen($root);
|
|
|
|
|
$query = \OC_DB::prepare('SELECT '.$select.' FROM *PREFIX*share '.$where);
|
|
|
|
|
$result = $query->execute();
|
|
|
|
|
$items = array();
|
|
|
|
|
while ($row = $result->fetchRow()) {
|
|
|
|
|
// Return only the item instead of a 2-dimensional array
|
|
|
|
|
if ($limit == 1 && $format == self::FORMAT_NONE && !$includeCollections) {
|
|
|
|
|
if ($limit == 1 && $row['item_type'] == $itemType && $row[$column] == $item) {
|
|
|
|
|
if ($format == self::FORMAT_NONE) {
|
|
|
|
|
return $row;
|
|
|
|
|
} else {
|
|
|
|
|
$items[$row['id']] = $row;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// Filter out duplicate group shares for users with unique targets
|
|
|
|
|
if ($row['share_type'] == self::$shareTypeGroupUserUnique) {
|
|
|
|
|
// Remove the parent group share
|
|
|
|
|
unset($items[$row['parent']]);
|
|
|
|
|
}
|
|
|
|
|
// Remove root from file source paths
|
|
|
|
|
if (isset($uidOwner) && isset($row['file_source'])) {
|
|
|
|
|
$row['file_source'] = substr($row['file_source'], $root);
|
|
|
|
|
}
|
|
|
|
|
// TODO Check this outside of the loop
|
|
|
|
|
// Check if this is a collection of the requested item type
|
|
|
|
|
if ($row['item_type'] != $itemType) {
|
|
|
|
|
if ($collectionBackend = self::getBackend($row['item_type'])) {
|
|
|
|
|
$row['collection'] = array('item_type' => $itemType, 'item_source' => $row['item_source']);
|
|
|
|
|
$row['collection'] = array('item_type' => $itemType, $column => $row[$column]);
|
|
|
|
|
// Fetch all of the children sources
|
|
|
|
|
$children = $collectionBackend->getChildren($row['item']);
|
|
|
|
|
$children = $collectionBackend->getChildren($row[$column]);
|
|
|
|
|
foreach ($children as $child) {
|
|
|
|
|
$row['item_source'] = $child;
|
|
|
|
|
$row['item_target'] = ''; // TODO
|
|
|
|
|
// $row['item_target'] = $child['target']; TODO
|
|
|
|
|
if (isset($item)) {
|
|
|
|
|
if ((isset($uidOwner) && $row['item'] == $item) || $row['item_target'] == $item) {
|
|
|
|
|
if ($row[$column] == $item) {
|
|
|
|
|
// Return only the item instead of a 2-dimensional array
|
|
|
|
|
if ($limit == 1 && $format == self::FORMAT_NONE) {
|
|
|
|
|
return $row;
|
|
|
|
@ -544,29 +569,22 @@ class Share {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$items[] = $row;
|
|
|
|
|
$items[$row['id']] = $row;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (!empty($items)) {
|
|
|
|
|
error_log(var_export($items, true));
|
|
|
|
|
if ($format == self::FORMAT_NONE) {
|
|
|
|
|
return $items;
|
|
|
|
|
} else if ($format == self::FORMAT_STATUSES) {
|
|
|
|
|
$statuses = array();
|
|
|
|
|
foreach ($items as $item) {
|
|
|
|
|
if ($item['share_type'] == self::SHARE_TYPE_PRIVATE_LINK) {
|
|
|
|
|
$statuses[$item['item']] = true;
|
|
|
|
|
} else if (!isset($statuses[$item['item']])) {
|
|
|
|
|
$statuses[$item['item']] = false;
|
|
|
|
|
$statuses[$item[$column]] = true;
|
|
|
|
|
} else if (!isset($statuses[$item[$column]])) {
|
|
|
|
|
$statuses[$item[$column]] = false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return $statuses;
|
|
|
|
|
} else if ($format == self::FORMAT_SOURCES) {
|
|
|
|
|
$sources = array();
|
|
|
|
|
foreach ($items as $item) {
|
|
|
|
|
$sources[] = $item['item_source'];
|
|
|
|
|
}
|
|
|
|
|
return $sources;
|
|
|
|
|
} else {
|
|
|
|
|
return $backend->formatItems($items, $format, $parameters);
|
|
|
|
|
}
|
|
|
|
@ -580,17 +598,17 @@ class Share {
|
|
|
|
|
/**
|
|
|
|
|
* @brief Put shared item into the database
|
|
|
|
|
* @param string Item type
|
|
|
|
|
* @param string Item
|
|
|
|
|
* @param string Item source
|
|
|
|
|
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
|
|
|
|
|
* @param string User or group the item is being shared with
|
|
|
|
|
* @param int CRUDS permissions
|
|
|
|
|
* @param bool|array Parent folder target (optional)
|
|
|
|
|
* @return bool Returns true on success or false on failure
|
|
|
|
|
*/
|
|
|
|
|
private static function put($itemType, $item, $shareType, $shareWith, $uidOwner, $permissions, $parentFolder = null) {
|
|
|
|
|
private static function put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, $parentFolder = null) {
|
|
|
|
|
// Check file extension for an equivalent item type to convert to
|
|
|
|
|
if ($itemType == 'file') {
|
|
|
|
|
$extension = strtolower(substr($item, strrpos($item, '.') + 1));
|
|
|
|
|
$extension = strtolower(substr($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 = $type;
|
|
|
|
@ -604,7 +622,8 @@ class Share {
|
|
|
|
|
}
|
|
|
|
|
if ($backend = self::getBackend($itemType)) {
|
|
|
|
|
// Check if this is a reshare
|
|
|
|
|
if ($checkReshare = self::getItemSharedWith($itemType, $item)) {
|
|
|
|
|
// TODO This query has pretty bad performance if there are large collections, figure out a way to make the collection searching more efficient
|
|
|
|
|
if ($checkReshare = self::getItemSharedWith($itemType, $itemSource, self::FORMAT_NONE, null, true)) {
|
|
|
|
|
if ($checkReshare['permissions'] & self::PERMISSION_SHARE) {
|
|
|
|
|
// TODO Don't check if inside folder
|
|
|
|
|
$parent = $checkReshare['id'];
|
|
|
|
@ -612,77 +631,78 @@ class Share {
|
|
|
|
|
$fileSource = $checkReshare['file_source'];
|
|
|
|
|
$fileTarget = $checkReshare['file_target'];
|
|
|
|
|
} else {
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Sharing '.$item.' failed, because resharing is not allowed', \OC_Log::ERROR);
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Sharing '.$itemSource.' failed, because resharing is not allowed', \OC_Log::ERROR);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$parent = null;
|
|
|
|
|
$source = $backend->getSource($item, $uidOwner);
|
|
|
|
|
if (!$source) {
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Sharing '.$item.' failed, because the sharing backend for '.$itemType.' could not find its source', \OC_Log::ERROR);
|
|
|
|
|
if (!$backend->isValidSource($itemSource, $uidOwner)) {
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Sharing '.$itemSource.' failed, because the sharing backend for '.$itemType.' could not find its source', \OC_Log::ERROR);
|
|
|
|
|
return false;
|
|
|
|
|
} else if (is_array($source)) {
|
|
|
|
|
$itemSource = $source['item'];
|
|
|
|
|
$fileSource = \OC_FileCache::getId($source['file']);
|
|
|
|
|
}
|
|
|
|
|
$parent = null;
|
|
|
|
|
if ($backend instanceof Share_Backend_File_Dependent) {
|
|
|
|
|
// NOTE Apps should start using the file cache ids in their tables
|
|
|
|
|
$filePath = $backend->getFilePath($itemSource, $uidOwner);
|
|
|
|
|
$fileSource = \OC_FileCache::getId($filePath);
|
|
|
|
|
if ($fileSource == -1) {
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Sharing '.$item.' failed, because the file could not be found in the file cache', \OC_Log::ERROR);
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Sharing '.$itemSource.' failed, because the file could not be found in the file cache', \OC_Log::ERROR);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$itemSource = $source;
|
|
|
|
|
$fileSource = null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
$query = \OC_DB::prepare('INSERT INTO *PREFIX*share (item_type, item, item_source, item_target, parent, share_type, share_with, uid_owner, permissions, stime, file_source, file_target) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)');
|
|
|
|
|
$query = \OC_DB::prepare('INSERT INTO *PREFIX*share (item_type, item_source, item_target, parent, share_type, share_with, uid_owner, permissions, stime, file_source, file_target) VALUES (?,?,?,?,?,?,?,?,?,?,?)');
|
|
|
|
|
// Share with a group
|
|
|
|
|
if ($shareType == self::SHARE_TYPE_GROUP) {
|
|
|
|
|
if (isset($fileSource)) {
|
|
|
|
|
if ($parentFolder) {
|
|
|
|
|
if ($parentFolder === true) {
|
|
|
|
|
$groupFileTarget = self::getBackend('file')->generateTarget($source['file'], false);
|
|
|
|
|
$groupFileTarget = self::generateTarget('file', $filePath, $shareType, $shareWith);
|
|
|
|
|
// Set group default file target for future use
|
|
|
|
|
$parentFolders[0]['folder'] = $groupFileTarget;
|
|
|
|
|
} else {
|
|
|
|
|
// Get group default file target
|
|
|
|
|
$groupFileTarget = $parentFolder[0]['folder'].$item;
|
|
|
|
|
$groupFileTarget = $parentFolder[0]['folder'].$itemSource;
|
|
|
|
|
$parent = $parentFolder[0]['id'];
|
|
|
|
|
unset($parentFolder[0]);
|
|
|
|
|
// Only loop through users we know have different file target paths
|
|
|
|
|
$uidSharedWith = array_keys($parentFolder);
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$groupFileTarget = self::getBackend('file')->generateTarget($source['file'], false);
|
|
|
|
|
$groupFileTarget = self::generateTarget('file', $filePath, $shareType, $shareWith);
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$groupFileTarget = null;
|
|
|
|
|
}
|
|
|
|
|
$groupItemTarget = $backend->generateTarget($item, false);
|
|
|
|
|
$query->execute(array($itemType, $item, $itemSource, $groupItemTarget, $parent, $shareType, $shareWith['group'], $uidOwner, $permissions, time(), $fileSource, $groupFileTarget));
|
|
|
|
|
$groupItemTarget = self::generateTarget($itemType, $itemSource, $shareType, $shareWith);
|
|
|
|
|
$query->execute(array($itemType, $itemSource, $groupItemTarget, $parent, $shareType, $shareWith['group'], $uidOwner, $permissions, time(), $fileSource, $groupFileTarget));
|
|
|
|
|
// Save this id, any extra rows for this group share will need to reference it
|
|
|
|
|
$parent = \OC_DB::insertid('*PREFIX*share');
|
|
|
|
|
// Loop through all users of this group in case we need to add an extra row
|
|
|
|
|
foreach ($shareWith['users'] as $uid) {
|
|
|
|
|
$itemTarget = $backend->generateTarget($item, $uid);
|
|
|
|
|
$itemTarget = self::generateTarget($itemType, $itemSource, self::SHARE_TYPE_USER, $uid);
|
|
|
|
|
if (isset($fileSource)) {
|
|
|
|
|
if ($parentFolder) {
|
|
|
|
|
if ($parentFolder === true) {
|
|
|
|
|
$fileTarget = self::getBackend('file')->generateTarget($source['file'], $uid);
|
|
|
|
|
$fileTarget = self::generateTarget('file', $filePath, self::SHARE_TYPE_USER, $uid);
|
|
|
|
|
if ($fileTarget != $groupFileTarget) {
|
|
|
|
|
$parentFolders[$uid]['folder'] = $fileTarget;
|
|
|
|
|
}
|
|
|
|
|
} else if (isset($parentFolder[$uid])) {
|
|
|
|
|
$fileTarget = $parentFolder[$uid]['folder'].$item;
|
|
|
|
|
$fileTarget = $parentFolder[$uid]['folder'].$itemSource;
|
|
|
|
|
$parent = $parentFolder[$uid]['id'];
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$fileTarget = self::getBackend('file')->generateTarget($source['file'], $uid);
|
|
|
|
|
$fileTarget = self::generateTarget('file', $filePath, self::SHARE_TYPE_USER, $uid);
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$fileTarget = null;
|
|
|
|
|
}
|
|
|
|
|
// Insert an extra row for the group share if the item or file target is unique for this user
|
|
|
|
|
if ($itemTarget != $groupItemTarget || (isset($fileSource) && $fileTarget != $groupFileTarget)) {
|
|
|
|
|
$query->execute(array($itemType, $item, $itemSource, $itemTarget, $parent, self::$shareTypeGroupUserUnique, $uid, $uidOwner, $permissions, time(), $fileSource, $fileTarget));
|
|
|
|
|
$query->execute(array($itemType, $itemSource, $itemTarget, $parent, self::$shareTypeGroupUserUnique, $uid, $uidOwner, $permissions, time(), $fileSource, $fileTarget));
|
|
|
|
|
$id = \OC_DB::insertid('*PREFIX*share');
|
|
|
|
|
}
|
|
|
|
|
if ($parentFolder === true) {
|
|
|
|
@ -694,31 +714,23 @@ class Share {
|
|
|
|
|
return $parentFolders;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if ($shareType == self::SHARE_TYPE_PRIVATE_LINK) {
|
|
|
|
|
$itemTarget = null;
|
|
|
|
|
} else {
|
|
|
|
|
$itemTarget = $backend->generateTarget($item, $shareWith);
|
|
|
|
|
}
|
|
|
|
|
$itemTarget = self::generateTarget($itemType, $itemSource, $shareType, $shareWith);
|
|
|
|
|
if (isset($fileSource)) {
|
|
|
|
|
if ($parentFolder) {
|
|
|
|
|
if ($parentFolder === true) {
|
|
|
|
|
$fileTarget = self::getBackend('file')->generateTarget($source['file'], $shareWith);
|
|
|
|
|
$fileTarget = self::generateTarget('file', $filePath, $shareType, $shareWith);
|
|
|
|
|
$parentFolders['folder'] = $fileTarget;
|
|
|
|
|
} else {
|
|
|
|
|
$fileTarget = $parentFolder['folder'].$item;
|
|
|
|
|
$fileTarget = $parentFolder['folder'].$itemSource;
|
|
|
|
|
$parent = $parentFolder['id'];
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if ($shareType == self::SHARE_TYPE_PRIVATE_LINK) {
|
|
|
|
|
$fileTarget = basename($source['file']);
|
|
|
|
|
} else {
|
|
|
|
|
$fileTarget = self::getBackend('file')->generateTarget($source['file'], $shareWith);
|
|
|
|
|
}
|
|
|
|
|
$fileTarget = self::generateTarget('file', $filePath, $shareType, $shareWith);
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$fileTarget = null;
|
|
|
|
|
}
|
|
|
|
|
$query->execute(array($itemType, $item, $itemSource, $itemTarget, $parent, $shareType, $shareWith, $uidOwner, $permissions, time(), $fileSource, $fileTarget));
|
|
|
|
|
$query->execute(array($itemType, $itemSource, $itemTarget, $parent, $shareType, $shareWith, $uidOwner, $permissions, time(), $fileSource, $fileTarget));
|
|
|
|
|
$id = \OC_DB::insertid('*PREFIX*share');
|
|
|
|
|
if ($parentFolder === true) {
|
|
|
|
|
$parentFolders['id'] = $id;
|
|
|
|
@ -731,6 +743,54 @@ class Share {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Generate a unique target for the item
|
|
|
|
|
* @param string Item type
|
|
|
|
|
* @param string Item source
|
|
|
|
|
* @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_PRIVATE_LINK
|
|
|
|
|
* @param string User or group the item is being shared with
|
|
|
|
|
* @return string Item target
|
|
|
|
|
*/
|
|
|
|
|
private static function generateTarget($itemType, $itemSource, $shareType, $shareWith) {
|
|
|
|
|
if ($backend = self::getBackend($itemType)) {
|
|
|
|
|
if ($shareType == self::SHARE_TYPE_PRIVATE_LINK) {
|
|
|
|
|
return $backend->generateTarget($itemSource, false);
|
|
|
|
|
} else {
|
|
|
|
|
if ($itemType == 'file' || $itemType == 'folder') {
|
|
|
|
|
$column = 'file_target';
|
|
|
|
|
} else {
|
|
|
|
|
$column = 'item_target';
|
|
|
|
|
}
|
|
|
|
|
$exclude = null;
|
|
|
|
|
// Backend has 3 opportunities to generate a unique target
|
|
|
|
|
for ($i = 0; $i < 2; $i++) {
|
|
|
|
|
if ($shareType == self::SHARE_TYPE_GROUP) {
|
|
|
|
|
$target = $backend->generateTarget($itemSource, false, $exclude);
|
|
|
|
|
} else {
|
|
|
|
|
$target = $backend->generateTarget($itemSource, $shareWith, $exclude);
|
|
|
|
|
}
|
|
|
|
|
if (is_array($exclude) && in_array($target, $exclude)) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
// Check if target already exists
|
|
|
|
|
if ($checkTarget = self::getItems($itemType, $target, $shareType, $shareWith, null, self::FORMAT_NONE, null, 1)) {
|
|
|
|
|
// Find similar targets to improve backend's chances to generate a unqiue target
|
|
|
|
|
// TODO query needs to be setup like getItems
|
|
|
|
|
$checkTargets = \OC_DB::prepare('SELECT item_target FROM *PREFIX*share WHERE item_type = ? AND share_with = ? AND '.$column.' LIKE ?');
|
|
|
|
|
$result = $checkTargets->execute(array($itemType, $shareWith, '%'.$target.'%'));
|
|
|
|
|
while ($row = $result->fetchRow()) {
|
|
|
|
|
$exclude[] = $row[$column];
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
return $target;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
\OC_Log::write('OCP\Share', 'Backend did not generate a unique target', \OC_Log::ERROR);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Delete all reshares of an item
|
|
|
|
|
* @param int Id of item to delete
|
|
|
|
@ -803,16 +863,13 @@ class Share {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Abstract backend class that apps must extend to share content.
|
|
|
|
|
* Interface that apps must implement to share content.
|
|
|
|
|
*/
|
|
|
|
|
abstract class Share_Backend {
|
|
|
|
|
|
|
|
|
|
public $dependsOn;
|
|
|
|
|
public $supportedFileExtensions = array();
|
|
|
|
|
interface Share_Backend {
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Get the source of the item to be stored in the database
|
|
|
|
|
* @param string Item
|
|
|
|
|
* @param string Item source
|
|
|
|
|
* @param string Owner of the item
|
|
|
|
|
* @return mixed|array|false Source
|
|
|
|
|
*
|
|
|
|
@ -821,13 +878,11 @@ abstract class Share_Backend {
|
|
|
|
|
*
|
|
|
|
|
* The formatItems() function will translate the source returned back into the item
|
|
|
|
|
*/
|
|
|
|
|
public abstract function getSource($item, $uid);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public function isValidSource($itemSource, $uidOwner);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Get a unique name of the item for the specified user
|
|
|
|
|
* @param string Item
|
|
|
|
|
* @param string Item source
|
|
|
|
|
* @param string|false User the item is being shared with
|
|
|
|
|
* @param array|null List of similar item names already existing as shared items
|
|
|
|
|
* @return string Target name
|
|
|
|
@ -835,9 +890,7 @@ abstract class Share_Backend {
|
|
|
|
|
* This function needs to verify that the user does not already have an item with this name.
|
|
|
|
|
* If it does generate a new name e.g. name_#
|
|
|
|
|
*/
|
|
|
|
|
public abstract function generateTarget($item, $uid, $exclude = null);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public function generateTarget($itemSource, $shareWith, $exclude = null);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Converts the shared item sources back into the item in the specified format
|
|
|
|
@ -852,19 +905,38 @@ abstract class Share_Backend {
|
|
|
|
|
* This function allows the backend to control the output of shared items with custom formats.
|
|
|
|
|
* It is only called through calls to the public getItem(s)Shared(With) functions.
|
|
|
|
|
*/
|
|
|
|
|
public abstract function formatItems($items, $format, $parameters = null);
|
|
|
|
|
|
|
|
|
|
public function formatItems($items, $format, $parameters = null);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
abstract class Share_Backend_Collection extends Share_Backend {
|
|
|
|
|
/**
|
|
|
|
|
* Interface for share backends that share content that is dependent on files.
|
|
|
|
|
* Extends the Share_Backend interface.
|
|
|
|
|
*/
|
|
|
|
|
interface Share_Backend_File_Dependent extends Share_Backend {
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Get the file path of the item
|
|
|
|
|
* @param
|
|
|
|
|
* @param
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public function getFilePath($itemSource, $uidOwner);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Interface for collections of of items implemented by another share backend.
|
|
|
|
|
* Extends the Share_Backend interface.
|
|
|
|
|
*/
|
|
|
|
|
interface Share_Backend_Collection extends Share_Backend {
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @brief Get the sources of the children of the item
|
|
|
|
|
* @param string Item
|
|
|
|
|
* @param string Item source
|
|
|
|
|
* @return array Returns an array of sources
|
|
|
|
|
*/
|
|
|
|
|
public abstract function getChildren($item);
|
|
|
|
|
public function getChildren($itemSource);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|