From 2a4c51389c23ab1da47d52be9f2e76cd90f2df01 Mon Sep 17 00:00:00 2001
From: kondou <kondou@ts.unde.re>
Date: Sun, 3 Aug 2014 11:31:28 +0200
Subject: Use a route instead of s.php and convert tokens asap

---
 lib/private/share/constants.php |  2 --
 lib/private/share/share.php     | 21 ++++++++++++++++++++-
 2 files changed, 20 insertions(+), 3 deletions(-)

(limited to 'lib/private/share')

diff --git a/lib/private/share/constants.php b/lib/private/share/constants.php
index cf935bd4c0e..1ba4929899a 100644
--- a/lib/private/share/constants.php
+++ b/lib/private/share/constants.php
@@ -34,8 +34,6 @@ class Constants {
 	const FORMAT_STATUSES = -2;
 	const FORMAT_SOURCES = -3;  // ToDo Check if it is still in use otherwise remove it
 
-	const TOKEN_LENGTH = 16; // old length is 32, thus 32 in db_structure.xml
-
 	protected static $shareTypeUserAndGroups = -1;
 	protected static $shareTypeGroupUserUnique = 2;
 	protected static $backends = array();
diff --git a/lib/private/share/share.php b/lib/private/share/share.php
index e2e9b94125e..dfe0f65340b 100644
--- a/lib/private/share/share.php
+++ b/lib/private/share/share.php
@@ -640,7 +640,26 @@ class Share extends \OC\Share\Constants {
 				if (isset($oldToken)) {
 					$token = $oldToken;
 				} else {
-					$token = \OC_Util::generateRandomBytes(self::TOKEN_LENGTH);
+					// Determine how long the token should be
+					switch (\OC_Config::getValue("sharing_token_length", 3)) {
+						case 1:
+							$tokenLength = 4;
+							break;
+						case 2:
+							$tokenLength = 8;
+							break;
+						// Default is 3, so skip the 3 block
+						case 4:
+							$tokenLength = 32;
+							break;
+						// Anything other than 1-4 should be default 3
+						default:
+							$tokenLength = 16;
+							break;
+					}
+					$token = \OC::$server->getSecureRandom()->getLowStrengthGenerator()->generate($tokenLength,
+						\OCP\Security\ISecureRandom::CHAR_LOWER.\OCP\Security\ISecureRandom::CHAR_DIGITS
+					);
 				}
 				$result = self::put($itemType, $itemSource, $shareType, $shareWith, $uidOwner, $permissions,
 					null, $token, $itemSourceName, $expirationDate);
-- 
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