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Check if resharing is allowed by the admin, fixes issue #341

This commit is contained in:
Michael Gapczynski 2012-11-10 00:31:52 -05:00
parent 7270be85a4
commit 6641af720d
1 changed files with 24 additions and 1 deletions
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25
lib/public/share.php
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@ -58,6 +58,7 @@ class Share {
private static $shareTypeGroupUserUnique = 2;
private static $backends = array();
private static $backendTypes = array();
private static $isResharingAllowed;
/**
* @brief Register a sharing backend class that implements OCP\Share_Backend for an item type
@ -482,6 +483,24 @@ class Share {
throw new \Exception($message);
}
/**
* @brief Check if resharing is allowed
* @return Returns true if allowed or false
*
* Resharing is allowed by default if not configured
*
*/
private static function isResharingAllowed() {
if (!isset(self::$isResharingAllowed)) {
if (\OC_Appconfig::getValue('core', 'shareapi_allow_resharing', 'yes') == 'yes') {
self::$isResharingAllowed = true;
} else {
self::$isResharingAllowed = false;
}
}
return self::$isResharingAllowed;
}
/**
* @brief Get a list of collection item types for the specified item type
* @param string Item type
@ -726,6 +745,10 @@ class Share {
continue;
}
}
// Check if resharing is allowed, if not remove share permission
if (isset($row['permissions']) && !self::isResharingAllowed()) {
$row['permissions'] &= ~self::PERMISSION_SHARE;
}
$items[$row['id']] = $row;
}
if (!empty($items)) {
@ -844,7 +867,7 @@ class Share {
throw new \Exception($message);
}
// Check if share permissions is granted
if ((int)$checkReshare['permissions'] & self::PERMISSION_SHARE) {
if (self::isResharingAllowed() && (int)$checkReshare['permissions'] & self::PERMISSION_SHARE) {
if (~(int)$checkReshare['permissions'] & $permissions) {
$message = 'Sharing '.$itemSource.' failed, because the permissions exceed permissions granted to '.$uidOwner;
\OC_Log::write('OCP\Share', $message, \OC_Log::ERROR);