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-rw-r--r--lib/private/share/share.php13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/private/share/share.php b/lib/private/share/share.php
index c0285125234..40fcc59f219 100644
--- a/lib/private/share/share.php
+++ b/lib/private/share/share.php
@@ -782,6 +782,19 @@ class Share extends Constants {
\OCP\Util::writeLog('OCP\Share', sprintf($message, $itemSourceName), \OCP\Util::ERROR);
throw new \Exception($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, $shareWith), \OCP\Util::ERROR);
+ throw new \Exception($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);