diff options
-rw-r--r-- | apps/files_sharing/public.php | 354 | ||||
-rw-r--r-- | core/ajax/share.php | 14 | ||||
-rw-r--r-- | core/js/share.js | 28 | ||||
-rw-r--r-- | db_structure.xml | 15 | ||||
-rw-r--r-- | lib/helper.php | 1 | ||||
-rw-r--r-- | lib/public/share.php | 68 | ||||
-rwxr-xr-x | lib/util.php | 2 |
7 files changed, 296 insertions, 186 deletions
diff --git a/apps/files_sharing/public.php b/apps/files_sharing/public.php index 1fc41b42756..ac247368738 100644 --- a/apps/files_sharing/public.php +++ b/apps/files_sharing/public.php @@ -19,7 +19,6 @@ if (isset($_GET['token'])) { \OCP\Util::writeLog('files_sharing', 'You have files that are shared by link originating from ownCloud 4.0. Redistribute the new links, because backwards compatibility will be removed in ownCloud 5.', \OCP\Util::WARN); } } -// Enf of backward compatibility function getID($path) { // use the share table from the db to find the item source if the file was reshared because shared files @@ -28,7 +27,7 @@ function getID($path) { $path_parts = explode('/', $path, 5); $user = $path_parts[1]; $intPath = '/'.$path_parts[4]; - $query = \OC_DB::prepare('SELECT item_source FROM *PREFIX*share WHERE uid_owner = ? AND file_target = ? '); + $query = \OC_DB::prepare('SELECT `item_source` FROM `*PREFIX*share` WHERE `uid_owner` = ? AND `file_target` = ? '); $result = $query->execute(array($user, $intPath)); $row = $result->fetchRow(); $fileSource = $row['item_source']; @@ -38,8 +37,51 @@ function getID($path) { return $fileSource; } +// Enf of backward compatibility + +/** + * lookup file path and owner by fetching it from the fscache + * needed becaus OC_FileCache::getPath($id, $user) already requires the user + * @param int $id + * @return array + */ +function getPathAndUser($id) { + $query = \OC_DB::prepare('SELECT `user`, `path` FROM `*PREFIX*fscache` WHERE `id` = ?'); + $result = $query->execute(array($id)); + $row = $result->fetchRow(); + return $row; +} -if (isset($_GET['file']) || isset($_GET['dir'])) { + +if (isset($_GET['t'])) { + $token = $_GET['t']; + $linkItem = OCP\Share::getShareByToken($token); + if (is_array($linkItem) && isset($linkItem['uid_owner'])) { + // seems to be a valid share + $type = $linkItem['item_type']; + $fileSource = $linkItem['file_source']; + $shareOwner = $linkItem['uid_owner']; + + if (OCP\User::userExists($shareOwner) && $fileSource != -1 ) { + + $pathAndUser = getPathAndUser($linkItem['file_source']); + $fileOwner = $pathAndUser['user']; + + //if this is a reshare check the file owner also exists + if ($shareOwner != $fileOwner && ! OCP\User::userExists($fileOwner)) { + OCP\Util::writeLog('share', 'original file owner '.$fileOwner.' does not exist for share '.$linkItem['id'], \OCP\Util::ERROR); + header('HTTP/1.0 404 Not Found'); + $tmpl = new OCP\Template('', '404', 'guest'); + $tmpl->printPage(); + exit(); + } + + //mount filesystem of file owner + OC_Util::setupFS($fileOwner); + } + } +} else if (isset($_GET['file']) || isset($_GET['dir'])) { + OCP\Util::writeLog('share', 'Missing token, trying fallback file/dir links', \OCP\Util::DEBUG); if (isset($_GET['dir'])) { $type = 'folder'; $path = $_GET['dir']; @@ -55,168 +97,182 @@ if (isset($_GET['file']) || isset($_GET['dir'])) { $path=substr($path, 0, -1); } } - $uidOwner = substr($path, 1, strpos($path, '/', 1) - 1); - if (OCP\User::userExists($uidOwner)) { - OC_Util::setupFS($uidOwner); + $shareOwner = substr($path, 1, strpos($path, '/', 1) - 1); + + if (OCP\User::userExists($shareOwner)) { + OC_Util::setupFS($shareOwner); $fileSource = getId($path); - if ($fileSource != -1 && ($linkItem = OCP\Share::getItemSharedWithByLink($type, $fileSource, $uidOwner))) { - // TODO Fix in the getItems - if (!isset($linkItem['item_type']) || $linkItem['item_type'] != $type) { + if ($fileSource != -1 ) { + $linkItem = OCP\Share::getItemSharedWithByLink($type, $fileSource, $shareOwner); + $pathAndUser['path'] = $path; + $path_parts = explode('/', $path, 5); + $pathAndUser['user'] = $path_parts[1]; + $fileOwner = $path_parts[1]; + } + } +} + +if ($linkItem) { + if (!isset($linkItem['item_type'])) { + OCP\Util::writeLog('share', 'No item type set for share id: '.$linkItem['id'], \OCP\Util::ERROR); + header('HTTP/1.0 404 Not Found'); + $tmpl = new OCP\Template('', '404', 'guest'); + $tmpl->printPage(); + exit(); + } + if (isset($linkItem['share_with'])) { + // Authenticate share_with + $url = OCP\Util::linkToPublic('files').'&t='.$token; + if (isset($_GET['file'])) { + $url .= '&file='.urlencode($_GET['file']); + } else if (isset($_GET['dir'])) { + $url .= '&dir='.urlencode($_GET['dir']); + } + if (isset($_POST['password'])) { + $password = $_POST['password']; + if ($linkItem['share_type'] == OCP\Share::SHARE_TYPE_LINK) { + // Check Password + $forcePortable = (CRYPT_BLOWFISH != 1); + $hasher = new PasswordHash(8, $forcePortable); + if (!($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''), $linkItem['share_with']))) { + $tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest'); + $tmpl->assign('URL', $url); + $tmpl->assign('error', true); + $tmpl->printPage(); + exit(); + } else { + // Save item id in session for future requests + $_SESSION['public_link_authenticated'] = $linkItem['id']; + } + } else { + OCP\Util::writeLog('share', 'Unknown share type '.$linkItem['share_type'].' for share id '.$linkItem['id'], \OCP\Util::ERROR); header('HTTP/1.0 404 Not Found'); $tmpl = new OCP\Template('', '404', 'guest'); $tmpl->printPage(); exit(); } - if (isset($linkItem['share_with'])) { - // Check password - if (isset($_GET['file'])) { - $url = OCP\Util::linkToPublic('files').'&file='.urlencode($_GET['file']); - } else { - $url = OCP\Util::linkToPublic('files').'&dir='.urlencode($_GET['dir']); + // Check if item id is set in session + } else if (!isset($_SESSION['public_link_authenticated']) || $_SESSION['public_link_authenticated'] !== $linkItem['id']) { + // Prompt for password + $tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest'); + $tmpl->assign('URL', $url); + $tmpl->printPage(); + exit(); + } + } + $basePath = substr($pathAndUser['path'] , strlen('/'.$fileOwner.'/files')); + $path = $basePath; + if (isset($_GET['path'])) { + $path .= $_GET['path']; + } + if (!$path || !OC_Filesystem::isValidPath($path) || !OC_Filesystem::file_exists($path)) { + OCP\Util::writeLog('share', 'Invalid path '.$path.' for share id '.$linkItem['id'], \OCP\Util::ERROR); + header('HTTP/1.0 404 Not Found'); + $tmpl = new OCP\Template('', '404', 'guest'); + $tmpl->printPage(); + exit(); + } + $dir = dirname($path); + $file = basename($path); + // Download the file + if (isset($_GET['download'])) { + if (isset($_GET['path']) && $_GET['path'] !== '' ) { + if ( isset($_GET['files']) ) { // download selected files + OC_Files::get($path, $_GET['files'], $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); + } else if (isset($_GET['path']) && $_GET['path'] != '' ) { // download a file from a shared directory + OC_Files::get($dir, $file, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); + } else { // download the whole shared directory + OC_Files::get($dir, $file, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); + } + } else { // download a single shared file + OC_Files::get($dir, $file, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); + } + + } else { + OCP\Util::addStyle('files_sharing', 'public'); + OCP\Util::addScript('files_sharing', 'public'); + OCP\Util::addScript('files', 'fileactions'); + $tmpl = new OCP\Template('files_sharing', 'public', 'base'); + $tmpl->assign('uidOwner', $shareOwner); + $tmpl->assign('dir', $dir); + $tmpl->assign('filename', $file); + $tmpl->assign('mimetype', OC_Filesystem::getMimeType($path)); + if (isset($_GET['path'])) { + $getPath = $_GET['path']; + } else { + $getPath = ''; + } + // + $urlLinkIdentifiers= (isset($token)?'&t='.$token:'').(isset($_GET['dir'])?'&dir='.$_GET['dir']:'').(isset($_GET['file'])?'&file='.$_GET['file']:''); + // Show file list + if (OC_Filesystem::is_dir($path)) { + OCP\Util::addStyle('files', 'files'); + OCP\Util::addScript('files', 'files'); + OCP\Util::addScript('files', 'filelist'); + $files = array(); + $rootLength = strlen($basePath) + 1; + foreach (OC_Files::getDirectoryContent($path) as $i) { + $i['date'] = OCP\Util::formatDate($i['mtime']); + if ($i['type'] == 'file') { + $fileinfo = pathinfo($i['name']); + $i['basename'] = $fileinfo['filename']; + $i['extension'] = isset($fileinfo['extension']) ? ('.'.$fileinfo['extension']) : ''; } - if (isset($_POST['password'])) { - $password = $_POST['password']; - $storedHash = $linkItem['share_with']; - $forcePortable = (CRYPT_BLOWFISH != 1); - $hasher = new PasswordHash(8, $forcePortable); - if (!($hasher->CheckPassword($password.OC_Config::getValue('passwordsalt', ''), $storedHash))) { - $tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest'); - $tmpl->assign('URL', $url); - $tmpl->assign('error', true); - $tmpl->printPage(); - exit(); - } else { - // Save item id in session for future requests - $_SESSION['public_link_authenticated'] = $linkItem['id']; - } - // Check if item id is set in session - } else if (!isset($_SESSION['public_link_authenticated']) || $_SESSION['public_link_authenticated'] !== $linkItem['id']) { - // Prompt for password - $tmpl = new OCP\Template('files_sharing', 'authenticate', 'guest'); - $tmpl->assign('URL', $url); - $tmpl->printPage(); - exit(); + $i['directory'] = '/'.substr($i['directory'], $rootLength); + if ($i['directory'] == '/') { + $i['directory'] = ''; } + $i['permissions'] = OCP\PERMISSION_READ; + $files[] = $i; } - $path = $linkItem['path']; - if (isset($_GET['path'])) { - $path .= $_GET['path']; - $dir .= $_GET['path']; - if (!OC_Filesystem::file_exists($path)) { - header('HTTP/1.0 404 Not Found'); - $tmpl = new OCP\Template('', '404', 'guest'); - $tmpl->printPage(); - exit(); + // Make breadcrumb + $breadcrumb = array(); + $pathtohere = ''; + + //add base breadcrumb + $breadcrumb[] = array('dir' => '/', 'name' => basename($basePath)); + + //add subdir breadcrumbs + foreach (explode('/', urldecode($_GET['path'])) as $i) { + if ($i != '') { + $pathtohere .= '/'.$i; + $breadcrumb[] = array('dir' => $pathtohere, 'name' => $i); } } - // Download the file - if (isset($_GET['download'])) { - if (isset($_GET['dir'])) { - if ( isset($_GET['files']) ) { // download selected files - OC_Files::get($path, $_GET['files'], $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); - } else if (isset($_GET['path']) && $_GET['path'] != '' ) { // download a file from a shared directory - OC_Files::get('', $path, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); - } else { // download the whole shared directory - OC_Files::get($path, '', $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); - } - } else { // download a single shared file - OC_Files::get("", $path, $_SERVER['REQUEST_METHOD'] == 'HEAD' ? true : false); - } + $list = new OCP\Template('files', 'part.list', ''); + $list->assign('files', $files, false); + $list->assign('publicListView', true); + $list->assign('baseURL', OCP\Util::linkToPublic('files').$urlLinkIdentifiers.'&path=', false); + $list->assign('downloadURL', OCP\Util::linkToPublic('files').$urlLinkIdentifiers.'&download&path=', false); + $breadcrumbNav = new OCP\Template('files', 'part.breadcrumb', '' ); + $breadcrumbNav->assign('breadcrumb', $breadcrumb, false); + $breadcrumbNav->assign('baseURL', OCP\Util::linkToPublic('files').$urlLinkIdentifiers.'&path=', false); + $folder = new OCP\Template('files', 'index', ''); + $folder->assign('fileList', $list->fetchPage(), false); + $folder->assign('breadcrumb', $breadcrumbNav->fetchPage(), false); + $folder->assign('isCreatable', false); + $folder->assign('permissions', 0); + $folder->assign('files', $files); + $folder->assign('uploadMaxFilesize', 0); + $folder->assign('uploadMaxHumanFilesize', 0); + $folder->assign('allowZipDownload', intval(OCP\Config::getSystemValue('allowZipDownload', true))); + $tmpl->assign('folder', $folder->fetchPage(), false); + $tmpl->assign('allowZipDownload', intval(OCP\Config::getSystemValue('allowZipDownload', true))); + $tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').$urlLinkIdentifiers.'&download&path='.urlencode($getPath)); + } else { + // Show file preview if viewer is available + if ($type == 'file') { + $tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').$urlLinkIdentifiers.'&download'); } else { - OCP\Util::addStyle('files_sharing', 'public'); - OCP\Util::addScript('files_sharing', 'public'); - OCP\Util::addScript('files', 'fileactions'); - $tmpl = new OCP\Template('files_sharing', 'public', 'base'); - $tmpl->assign('owner', $uidOwner); - // Show file list - if (OC_Filesystem::is_dir($path)) { - OCP\Util::addStyle('files', 'files'); - OCP\Util::addScript('files', 'files'); - OCP\Util::addScript('files', 'filelist'); - $files = array(); - $rootLength = strlen($baseDir) + 1; - foreach (OC_Files::getDirectoryContent($path) as $i) { - $i['date'] = OCP\Util::formatDate($i['mtime']); - if ($i['type'] == 'file') { - $fileinfo = pathinfo($i['name']); - $i['basename'] = $fileinfo['filename']; - $i['extension'] = isset($fileinfo['extension']) ? ('.'.$fileinfo['extension']) : ''; - } - $i['directory'] = '/'.substr('/'.$uidOwner.'/files'.$i['directory'], $rootLength); - if ($i['directory'] == '/') { - $i['directory'] = ''; - } - $i['permissions'] = OCP\PERMISSION_READ; - $files[] = $i; - } - // Make breadcrumb - $breadcrumb = array(); - $pathtohere = ''; - $count = 1; - foreach (explode('/', $dir) as $i) { - if ($i != '') { - if ($i != $baseDir) { - $pathtohere .= '/'.$i; - } - if ( strlen($pathtohere) < strlen($_GET['dir'])) { - continue; - } - $breadcrumb[] = array('dir' => str_replace($_GET['dir'], "", $pathtohere, $count), 'name' => $i); - } - } - $list = new OCP\Template('files', 'part.list', ''); - $list->assign('files', $files, false); - $list->assign('publicListView', true); - $list->assign('baseURL', OCP\Util::linkToPublic('files').'&dir='.urlencode($_GET['dir']).'&path=', false); - $list->assign('downloadURL', OCP\Util::linkToPublic('files').'&download&dir='.urlencode($_GET['dir']).'&path=', false); - $breadcrumbNav = new OCP\Template('files', 'part.breadcrumb', '' ); - $breadcrumbNav->assign('breadcrumb', $breadcrumb, false); - $breadcrumbNav->assign('baseURL', OCP\Util::linkToPublic('files').'&dir='.urlencode($_GET['dir']).'&path=', false); - $folder = new OCP\Template('files', 'index', ''); - $folder->assign('fileList', $list->fetchPage(), false); - $folder->assign('breadcrumb', $breadcrumbNav->fetchPage(), false); - $folder->assign('dir', basename($dir)); - $folder->assign('isCreatable', false); - $folder->assign('permissions', 0); - $folder->assign('files', $files); - $folder->assign('uploadMaxFilesize', 0); - $folder->assign('uploadMaxHumanFilesize', 0); - $folder->assign('allowZipDownload', intval(OCP\Config::getSystemValue('allowZipDownload', true))); - $tmpl->assign('folder', $folder->fetchPage(), false); - $tmpl->assign('uidOwner', $uidOwner); - $tmpl->assign('dir', basename($dir)); - $tmpl->assign('filename', basename($path)); - $tmpl->assign('mimetype', OC_Filesystem::getMimeType($path)); - $tmpl->assign('allowZipDownload', intval(OCP\Config::getSystemValue('allowZipDownload', true))); - if (isset($_GET['path'])) { - $getPath = $_GET['path']; - } else { - $getPath = ''; - } - $tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&download&dir='.urlencode($_GET['dir']).'&path='.urlencode($getPath), false); - } else { - // Show file preview if viewer is available - $tmpl->assign('uidOwner', $uidOwner); - $tmpl->assign('dir', dirname($path)); - $tmpl->assign('filename', basename($path)); - $tmpl->assign('mimetype', OC_Filesystem::getMimeType($path)); - if ($type == 'file') { - $tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&file='.urlencode($_GET['file']).'&download', false); - } else { - if (isset($_GET['path'])) { - $getPath = $_GET['path']; - } else { - $getPath = ''; - } - $tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').'&download&dir='.urlencode($_GET['dir']).'&path='.urlencode($getPath), false); - } - } - $tmpl->printPage(); + $tmpl->assign('downloadURL', OCP\Util::linkToPublic('files').$urlLinkIdentifiers.'&download&path='.urlencode($getPath)); } - exit(); } + $tmpl->printPage(); } + exit(); +} else { + OCP\Util::writeLog('share', 'could not resolve linkItem', \OCP\Util::DEBUG); } header('HTTP/1.0 404 Not Found'); $tmpl = new OCP\Template('', '404', 'guest'); diff --git a/core/ajax/share.php b/core/ajax/share.php index efe01dff886..41832a3c659 100644 --- a/core/ajax/share.php +++ b/core/ajax/share.php @@ -28,13 +28,19 @@ if (isset($_POST['action']) && isset($_POST['itemType']) && isset($_POST['itemSo case 'share': if (isset($_POST['shareType']) && isset($_POST['shareWith']) && isset($_POST['permissions'])) { try { - if ((int)$_POST['shareType'] === OCP\Share::SHARE_TYPE_LINK && $_POST['shareWith'] == '') { + $shareType = (int)$_POST['shareType']; + $shareWith = $_POST['shareWith']; + if ($shareType === OCP\Share::SHARE_TYPE_LINK && $shareWith == '') { $shareWith = null; + } + + $token = OCP\Share::shareItem($_POST['itemType'], $_POST['itemSource'], $shareType, $shareWith, $_POST['permissions']); + + if (is_string($token)) { + OC_JSON::success(array('data' => array('token' => $token))); } else { - $shareWith = $_POST['shareWith']; + OC_JSON::success(); } - OCP\Share::shareItem($_POST['itemType'], $_POST['itemSource'], (int)$_POST['shareType'], $shareWith, $_POST['permissions']); - OC_JSON::success(); } catch (Exception $exception) { OC_JSON::error(array('data' => array('message' => $exception->getMessage()))); } diff --git a/core/js/share.js b/core/js/share.js index 8fcea84af88..0f71ae22419 100644 --- a/core/js/share.js +++ b/core/js/share.js @@ -179,7 +179,7 @@ OC.Share={ if (data.shares) { $.each(data.shares, function(index, share) { if (share.share_type == OC.Share.SHARE_TYPE_LINK) { - OC.Share.showLink(itemSource, share.share_with); + OC.Share.showLink(share.token, share.share_with, itemSource); } else { if (share.collection) { OC.Share.addShareWith(share.share_type, share.share_with, share.permissions, possiblePermissions, share.collection); @@ -323,18 +323,24 @@ OC.Share={ $('#expiration').show(); } }, - showLink:function(itemSource, password) { + showLink:function(token, password, itemSource) { OC.Share.itemShares[OC.Share.SHARE_TYPE_LINK] = true; $('#linkCheckbox').attr('checked', true); - var filename = $('tr').filterAttr('data-id', String(itemSource)).data('file'); - var type = $('tr').filterAttr('data-id', String(itemSource)).data('type'); - if ($('#dir').val() == '/') { - var file = $('#dir').val() + filename; + if (! token) { + //fallback to pre token link + var filename = $('tr').filterAttr('data-id', String(itemSource)).data('file'); + var type = $('tr').filterAttr('data-id', String(itemSource)).data('type'); + if ($('#dir').val() == '/') { + var file = $('#dir').val() + filename; + } else { + var file = $('#dir').val() + '/' + filename; + } + file = '/'+OC.currentUser+'/files'+file; + var link = parent.location.protocol+'//'+location.host+OC.linkTo('', 'public.php')+'?service=files&'+type+'='+encodeURIComponent(file); } else { - var file = $('#dir').val() + '/' + filename; + //TODO add path param when showing a link to file in a subfolder of a public link share + var link = parent.location.protocol+'//'+location.host+OC.linkTo('', 'public.php')+'?service=files&t='+token; } - file = '/'+OC.currentUser+'/files'+file; - var link = parent.location.protocol+'//'+location.host+OC.linkTo('', 'public.php')+'?service=files&'+type+'='+encodeURIComponent(file); $('#linkText').val(link); $('#linkText').show('blind'); $('#showPassword').show(); @@ -480,8 +486,8 @@ $(document).ready(function() { var itemSource = $('#dropdown').data('item-source'); if (this.checked) { // Create a link - OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', OC.PERMISSION_READ, function() { - OC.Share.showLink(itemSource); + OC.Share.share(itemType, itemSource, OC.Share.SHARE_TYPE_LINK, '', OC.PERMISSION_READ, function(data) { + OC.Share.showLink(data.token, null, itemSource); OC.Share.updateIcon(itemType, itemSource); }); } else { diff --git a/db_structure.xml b/db_structure.xml index e1da6448c8f..db43ef21140 100644 --- a/db_structure.xml +++ b/db_structure.xml @@ -595,6 +595,21 @@ <notnull>false</notnull> </field> + <field> + <name>token</name> + <type>text</type> + <default></default> + <notnull>false</notnull> + <length>32</length> + </field> + + <index> + <name>token_index</name> + <field> + <name>token</name> + <sorting>ascending</sorting> + </field> + </index> </declaration> </table> diff --git a/lib/helper.php b/lib/helper.php index 27ebd24f6e5..5dec7fadfb4 100644 --- a/lib/helper.php +++ b/lib/helper.php @@ -758,5 +758,4 @@ class OC_Helper { } return $str; } - } diff --git a/lib/public/share.php b/lib/public/share.php index dcb1b5c278e..653ea64fa60 100644 --- a/lib/public/share.php +++ b/lib/public/share.php @@ -53,6 +53,8 @@ class Share { const FORMAT_STATUSES = -2; const FORMAT_SOURCES = -3; + const TOKEN_LENGTH = 32; // see db_structure.xml + private static $shareTypeUserAndGroups = -1; private static $shareTypeGroupUserUnique = 2; private static $backends = array(); @@ -140,6 +142,20 @@ class Share { } /** + * @brief Get the item shared by a token + * @param string token + * @return Item + */ + public static function getShareByToken($token) { + $query = \OC_DB::prepare('SELECT * FROM `*PREFIX*share` WHERE `token` = ?',1); + $result = $query->execute(array($token)); + if (\OC_DB::isError($result)) { + \OC_Log::write('OCP\Share', \OC_DB::getErrorMessage($result) . ', token=' . $token, \OC_Log::ERROR); + } + return $result->fetchRow(); + } + + /** * @brief Get the shared items of item type owned by the current user * @param string Item type * @param int Format (optional) Format type must be defined by the backend @@ -168,7 +184,7 @@ class Share { * @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK * @param string User or group the item is being shared with * @param int CRUDS permissions - * @return bool Returns true on success or false on failure + * @return bool|string Returns true on success or false on failure, Returns token on success for links */ public static function shareItem($itemType, $itemSource, $shareType, $shareWith, $permissions) { $uidOwner = \OC_User::getUser(); @@ -230,23 +246,33 @@ class Share { $shareWith['users'] = array_diff(\OC_Group::usersInGroup($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, $uidOwner, self::FORMAT_NONE, null, 1)) { - // If password is set delete the old link - if (isset($shareWith)) { - self::delete($checkExists['id']); - } else { - $message = 'Sharing '.$itemSource.' failed, because this item is already shared with a link'; - \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR); - throw new \Exception($message); - } + // remember old token + $oldToken = $checkExists['token']; + //delete the old share + self::delete($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', '')); } - return self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions); + + // Generate token + if (isset($oldToken)) { + $token = $oldToken; + } else { + $token = \OC_Util::generate_random_bytes(self::TOKEN_LENGTH); + } + $result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token); + if ($result) { + return $token; + } else { + return false; + } } $message = 'Sharing '.$itemSource.' failed, because sharing with links is not allowed'; \OC_Log::write('OCP\Share', $message, \OC_Log::ERROR); @@ -654,16 +680,16 @@ class Share { } else { if (isset($uidOwner)) { if ($itemType == 'file' || $itemType == 'folder') { - $select = '`*PREFIX*share`.`id`, `item_type`, `*PREFIX*share`.`parent`, `share_type`, `share_with`, `file_source`, `path`, `permissions`, `stime`, `expiration`'; + $select = '`*PREFIX*share`.`id`, `item_type`, `*PREFIX*share`.`parent`, `share_type`, `share_with`, `file_source`, `path`, `permissions`, `stime`, `expiration`, `token`'; } else { - $select = '`id`, `item_type`, `item_source`, `parent`, `share_type`, `share_with`, `permissions`, `stime`, `file_source`, `expiration`'; + $select = '`id`, `item_type`, `item_source`, `parent`, `share_type`, `share_with`, `permissions`, `stime`, `file_source`, `expiration`, `token`'; } } else { if ($fileDependent) { if (($itemType == 'file' || $itemType == 'folder') && $format == \OC_Share_Backend_File::FORMAT_FILE_APP || $format == \OC_Share_Backend_File::FORMAT_FILE_APP_ROOT) { $select = '`*PREFIX*share`.`id`, `item_type`, `*PREFIX*share`.`parent`, `uid_owner`, `share_type`, `share_with`, `file_source`, `path`, `file_target`, `permissions`, `expiration`, `name`, `ctime`, `mtime`, `mimetype`, `size`, `encrypted`, `versioned`, `writable`'; } else { - $select = '`*PREFIX*share`.`id`, `item_type`, `item_source`, `item_target`, `*PREFIX*share`.`parent`, `share_type`, `share_with`, `uid_owner`, `file_source`, `path`, `file_target`, `permissions`, `stime`, `expiration`'; + $select = '`*PREFIX*share`.`id`, `item_type`, `item_source`, `item_target`, `*PREFIX*share`.`parent`, `share_type`, `share_with`, `uid_owner`, `file_source`, `path`, `file_target`, `permissions`, `stime`, `expiration`, `token`'; } } else { $select = '*'; @@ -835,7 +861,7 @@ class Share { * @param bool|array Parent folder target (optional) * @return bool Returns true on success or false on failure */ - private static function put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, $parentFolder = null) { + private static function put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, $parentFolder = null, $token = null) { $backend = self::getBackend($itemType); // Check if this is a reshare if ($checkReshare = self::getItemSharedWithBySource($itemType, $itemSource, self::FORMAT_NONE, null, true)) { @@ -892,7 +918,7 @@ class Share { $fileSource = null; } } - $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 (?,?,?,?,?,?,?,?,?,?,?)'); + $query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`, `item_target`, `parent`, `share_type`, `share_with`, `uid_owner`, `permissions`, `stime`, `file_source`, `file_target`, `token`) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)'); // Share with a group if ($shareType == self::SHARE_TYPE_GROUP) { $groupItemTarget = self::generateTarget($itemType, $itemSource, $shareType, $shareWith['group'], $uidOwner, $suggestedItemTarget); @@ -913,7 +939,7 @@ class Share { } else { $groupFileTarget = null; } - $query->execute(array($itemType, $itemSource, $groupItemTarget, $parent, $shareType, $shareWith['group'], $uidOwner, $permissions, time(), $fileSource, $groupFileTarget)); + $query->execute(array($itemType, $itemSource, $groupItemTarget, $parent, $shareType, $shareWith['group'], $uidOwner, $permissions, time(), $fileSource, $groupFileTarget, $token)); // 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 @@ -947,11 +973,12 @@ class Share { 'permissions' => $permissions, 'fileSource' => $fileSource, 'fileTarget' => $fileTarget, - 'id' => $parent + 'id' => $parent, + 'token' => $token )); // Insert an extra row for the group share if the item or file target is unique for this user if ($itemTarget != $groupItemTarget || (isset($fileSource) && $fileTarget != $groupFileTarget)) { - $query->execute(array($itemType, $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, $token)); $id = \OC_DB::insertid('*PREFIX*share'); } } @@ -976,7 +1003,7 @@ class Share { } else { $fileTarget = null; } - $query->execute(array($itemType, $itemSource, $itemTarget, $parent, $shareType, $shareWith, $uidOwner, $permissions, time(), $fileSource, $fileTarget)); + $query->execute(array($itemType, $itemSource, $itemTarget, $parent, $shareType, $shareWith, $uidOwner, $permissions, time(), $fileSource, $fileTarget, $token)); $id = \OC_DB::insertid('*PREFIX*share'); \OC_Hook::emit('OCP\Share', 'post_shared', array( 'itemType' => $itemType, @@ -989,7 +1016,8 @@ class Share { 'permissions' => $permissions, 'fileSource' => $fileSource, 'fileTarget' => $fileTarget, - 'id' => $id + 'id' => $id, + 'token' => $token )); if ($parentFolder === true) { $parentFolders['id'] = $id; diff --git a/lib/util.php b/lib/util.php index e7ba3dd3dfe..adec69248d5 100755 --- a/lib/util.php +++ b/lib/util.php @@ -95,7 +95,7 @@ class OC_Util { */ public static function getVersion() { // hint: We only can count up. So the internal version number of ownCloud 4.5 will be 4.90.0. This is not visible to the user - return array(4, 91, 01); + return array(4, 91, 02); } /** |