diff options
-rw-r--r-- | lib/private/share/helper.php | 60 | ||||
-rw-r--r-- | lib/private/share/share.php | 9 | ||||
-rw-r--r-- | tests/lib/share/helper.php | 80 |
3 files changed, 75 insertions, 74 deletions
diff --git a/lib/private/share/helper.php b/lib/private/share/helper.php index d88c4bcbfc2..5081a517db7 100644 --- a/lib/private/share/helper.php +++ b/lib/private/share/helper.php @@ -218,33 +218,25 @@ class Helper extends \OC\Share\Constants { } /** - * Extracts the necessary remote name from a given link + * Strips away a potential file names and trailing slashes: + * - http://localhost + * - http://localhost/ + * - http://localhost/index.php + * - http://localhost/index.php/s/{shareToken} * - * Strips away a potential file name, to allow - * - user - * - user@localhost - * - user@http://localhost - * - user@http://localhost/ - * - user@http://localhost/index.php - * - user@http://localhost/index.php/s/{shareToken} + * all return: http://localhost * * @param string $shareWith * @return string */ - public static function fixRemoteURLInShareWith($shareWith) { - if (strpos($shareWith, '@')) { - list($user, $remote) = explode('@', $shareWith, 2); - - $remote = str_replace('\\', '/', $remote); - if ($fileNamePosition = strpos($remote, '/index.php')) { - $remote = substr($remote, 0, $fileNamePosition); - } - $remote = rtrim($remote, '/'); - - $shareWith = $user . '@' . $remote; + protected static function fixRemoteURL($remote) { + $remote = str_replace('\\', '/', $remote); + if ($fileNamePosition = strpos($remote, '/index.php')) { + $remote = substr($remote, 0, $fileNamePosition); } + $remote = rtrim($remote, '/'); - return rtrim($shareWith, '/'); + return $remote; } /** @@ -255,10 +247,36 @@ class Helper extends \OC\Share\Constants { * @throws InvalidFederatedCloudIdException */ public static function splitUserRemote($id) { - $pos = strrpos($id, '@'); + if (strpos($id, '@') === false) { + throw new InvalidFederatedCloudIdException('invalid Federated Cloud ID'); + } + + // Find the first character that is not allowed in user names + $id = str_replace('\\', '/', $id); + $posSlash = strpos($id, '/'); + $posColon = strpos($id, ':'); + + if ($posSlash === false && $posColon === false) { + $invalidPos = strlen($id); + } else if ($posSlash === false) { + $invalidPos = $posColon; + } else if ($posColon === false) { + $invalidPos = $posSlash; + } else { + $invalidPos = min($posSlash, $posColon); + } + + // Find the last @ before $invalidPos + $pos = $lastAtPos = 0; + while ($lastAtPos !== false && $lastAtPos <= $invalidPos) { + $pos = $lastAtPos; + $lastAtPos = strpos($id, '@', $pos + 1); + } + if ($pos !== false) { $user = substr($id, 0, $pos); $remote = substr($id, $pos + 1); + $remote = self::fixRemoteURL($remote); if (!empty($user) && !empty($remote)) { return array($user, $remote); } diff --git a/lib/private/share/share.php b/lib/private/share/share.php index 3c4b6863afd..6fcb020eeb3 100644 --- a/lib/private/share/share.php +++ b/lib/private/share/share.php @@ -749,7 +749,8 @@ class Share extends Constants { $token = \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(self::TOKEN_LENGTH, \OCP\Security\ISecureRandom::CHAR_LOWER . \OCP\Security\ISecureRandom::CHAR_UPPER . \OCP\Security\ISecureRandom::CHAR_DIGITS); - $shareWith = Helper::fixRemoteURLInShareWith($shareWith); + list($user, $remote) = Helper::splitUserRemote($shareWith); + $shareWith = $user . '@' . $remote; $shareId = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions, null, $token, $itemSourceName); $send = false; @@ -1300,8 +1301,8 @@ class Share extends Constants { $hookParams['deletedShares'] = $deletedShares; \OC_Hook::emit('OCP\Share', 'post_unshare', $hookParams); if ((int)$item['share_type'] === \OCP\Share::SHARE_TYPE_REMOTE && \OC::$server->getUserSession()->getUser()) { - $urlParts = explode('@', $item['share_with'], 2); - self::sendRemoteUnshare($urlParts[1], $item['id'], $item['token']); + list(, $remote) = Helper::splitUserRemote($item['share_with']); + self::sendRemoteUnshare($remote, $item['id'], $item['token']); } } @@ -2430,7 +2431,7 @@ class Share extends Constants { list($user, $remote) = Helper::splitUserRemote($shareWith); if ($user && $remote) { - $url = rtrim($remote, '/') . self::BASE_PATH_TO_SHARE_API . '?format=' . self::RESPONSE_FORMAT; + $url = $remote . self::BASE_PATH_TO_SHARE_API . '?format=' . self::RESPONSE_FORMAT; $local = \OC::$server->getURLGenerator()->getAbsoluteURL('/'); diff --git a/tests/lib/share/helper.php b/tests/lib/share/helper.php index 0dfb85856c2..c91d0bdde30 100644 --- a/tests/lib/share/helper.php +++ b/tests/lib/share/helper.php @@ -50,44 +50,31 @@ class Test_Share_Helper extends \Test\TestCase { $this->assertSame($expected, $result); } - public function fixRemoteURLInShareWithData() { - $userPrefix = ['test@', 'na/me@']; + public function dataTestSplitUserRemote() { + $userPrefix = ['user@name', 'username']; $protocols = ['', 'http://', 'https://']; $remotes = [ 'localhost', - 'test:foobar@localhost', 'local.host', 'dev.local.host', 'dev.local.host/path', + 'dev.local.host/at@inpath', '127.0.0.1', '::1', '::192.0.2.128', + '::192.0.2.128/at@inpath', ]; - $testCases = [ - ['test', 'test'], - ['na/me', 'na/me'], - ['na/me/', 'na/me'], - ['na/index.php', 'na/index.php'], - ['http://localhost', 'http://localhost'], - ['http://localhost/', 'http://localhost'], - ['http://localhost/index.php', 'http://localhost/index.php'], - ['http://localhost/index.php/s/token', 'http://localhost/index.php/s/token'], - ['http://test:foobar@localhost', 'http://test:foobar@localhost'], - ['http://test:foobar@localhost/', 'http://test:foobar@localhost'], - ['http://test:foobar@localhost/index.php', 'http://test:foobar@localhost'], - ['http://test:foobar@localhost/index.php/s/token', 'http://test:foobar@localhost'], - ]; - + $testCases = []; foreach ($userPrefix as $user) { foreach ($remotes as $remote) { foreach ($protocols as $protocol) { - $baseUrl = $user . $protocol . $remote; + $baseUrl = $user . '@' . $protocol . $remote; - $testCases[] = [$baseUrl, $baseUrl]; - $testCases[] = [$baseUrl . '/', $baseUrl]; - $testCases[] = [$baseUrl . '/index.php', $baseUrl]; - $testCases[] = [$baseUrl . '/index.php/s/token', $baseUrl]; + $testCases[] = [$baseUrl, $user, $protocol . $remote]; + $testCases[] = [$baseUrl . '/', $user, $protocol . $remote]; + $testCases[] = [$baseUrl . '/index.php', $user, $protocol . $remote]; + $testCases[] = [$baseUrl . '/index.php/s/token', $user, $protocol . $remote]; } } } @@ -95,29 +82,33 @@ class Test_Share_Helper extends \Test\TestCase { } /** - * @dataProvider fixRemoteURLInShareWithData - */ - public function testFixRemoteURLInShareWith($remote, $expected) { - $this->assertSame($expected, \OC\Share\Helper::fixRemoteURLInShareWith($remote)); - } - - /** - * @dataProvider dataTestSplitUserRemoteSuccess + * @dataProvider dataTestSplitUserRemote * - * @param string $id + * @param string $remote * @param string $expectedUser - * @param string $expectedRemote + * @param string $expectedUrl */ - public function testSplitUserRemoteSuccess($id, $expectedUser, $expectedRemote) { - list($user, $remote) = \OC\Share\Helper::splitUserRemote($id); - $this->assertSame($expectedUser, $user); - $this->assertSame($expectedRemote, $remote); + public function testSplitUserRemote($remote, $expectedUser, $expectedUrl) { + list($remoteUser, $remoteUrl) = \OC\Share\Helper::splitUserRemote($remote); + $this->assertSame($expectedUser, $remoteUser); + $this->assertSame($expectedUrl, $remoteUrl); } - public function dataTestSplitUserRemoteSuccess() { + public function dataTestSplitUserRemoteError() { return array( - array('user@server', 'user', 'server'), - array('user@name@server', 'user@name', 'server') + // Invalid path + array('user@'), + + // Invalid user + array('@server'), + array('us/er@server'), + array('us:er@server'), + + // Invalid splitting + array('user'), + array(''), + array('us/erserver'), + array('us:erserver'), ); } @@ -130,13 +121,4 @@ class Test_Share_Helper extends \Test\TestCase { public function testSplitUserRemoteError($id) { \OC\Share\Helper::splitUserRemote($id); } - - public function dataTestSplitUserRemoteError() { - return array( - array('user@'), - array('@server'), - array('user'), - array(''), - ); - } } |