return a list of all public keys for a given file

This commit is contained in:
Bjoern Schiessle 2012-08-03 11:49:55 +02:00
parent 19b3109655
commit d5808f07ca
3 changed files with 61 additions and 29 deletions

View file

@ -38,8 +38,11 @@ class Crypt {
public static function mode( $user = null ) {
$mode = \OC_Appconfig::getValue( 'files_encryption', 'mode', 'none' );
if ( $mode == 'user') {
if ( $mode == 'user') {
if ( !$user ) {
$user = \OCP\User::getUser();
}
$mode = 'none';
if ( $user ) {
$query = \OC_DB::prepare( "SELECT mode FROM *PREFIX*encryption WHERE uid = ?" );
@ -49,7 +52,7 @@ class Crypt {
}
}
}
return $mode;
}

View file

@ -43,14 +43,48 @@ class Keymanager {
}
/**
* @brief retrieve public key from a user
* @brief retrieve a list of the public key from all users with access to the file
*
* @param string user name
* @return string private key or false
* @param string path to file
* @return array of public keys for the given file
*/
public static function getPublicKey($user) {
public static function getPublicKeys($path) {
$userId = \OCP\User::getUser();
$path = ltrim( $path, '/' );
$filepath = '/'.$userId.'/files/'.$path;
// check if file was shared with other users
$query = \OC_DB::prepare( "SELECT uid_owner, source, target, uid_shared_with FROM `*PREFIX*sharing` WHERE ( target = ? AND uid_shared_with = ? ) OR source = ? " );
$result = $query->execute( array ($filepath, $userId, $filepath));
$users = array();
if ($row = $result->fetchRow()){
$source = $row['source'];
$owner = $row['uid_owner'];
$users[] = $owner;
// get the uids of all user with access to the file
$query = \OC_DB::prepare( "SELECT source, uid_shared_with FROM `*PREFIX*sharing` WHERE source = ?" );
$result = $query->execute( array ($source));
while ( ($row = $result->fetchRow()) ) {
$users[] = $row['uid_shared_with'];
}
} else {
// check if it is a file owned by the user and not shared at all
$userview = new \OC_FilesystemView( '/'.$userId.'/files/' );
if ($userview->file_exists($path)) {
$users[] = $userId;
}
}
$view = new \OC_FilesystemView( '/public-keys/' );
return $view->file_get_contents($user.'.public.key');
$keylist = array();
$count = 0;
foreach ($users as $user) {
$keylist['key'.++$count] = $view->file_get_contents($user.'.public.key');
}
return $keylist;
}
/**

View file

@ -169,9 +169,9 @@ class OC_OCS {
OC_OCS::quotaset($format,$user,$quota);
// keygetpublic
}elseif(($method=='get') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'user') and ($ex[$paracount-2] == 'publickey')){
$user=$ex[$paracount-3];
OC_OCS::publicKeyGet($format,$user);
}elseif(($method=='get') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'file') and ($ex[$paracount-2] == 'publickeys')){
$file=urldecode($ex[$paracount-3]);
OC_OCS::publicKeyGet($format,$file);
//keysetpublic
}elseif(($method=='post') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'user') and ($ex[$paracount-2] == 'publickey')){
@ -671,27 +671,22 @@ class OC_OCS {
/**
* get the public key of a user
* @param string $format
* @param string $user
* @return string xml/json
* @param string $file
* @return string xml/json list of public keys
*/
private static function publicKeyGet($format, $user) {
private static function publicKeyGet($format, $file) {
$login=OC_OCS::checkpassword();
if(OC_App::isEnabled('files_encryption') && OCA_Encryption\Crypt::mode($user) === 'client') {
if(OC_User::userExists($user)){
if (($key = OCA_Encryption\Keymanager::getPublicKey($user))) {
$xml=array();
$xml['key'] = $key;
$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'cloud', '', 1, 0, 0);
echo($txt);
}
else {
echo self::generateXml('', 'fail', 404, 'public key does not exist');
}
} else {
echo self::generateXml('', 'fail', 300, 'User does not exist');
if(OC_App::isEnabled('files_encryption') && OCA_Encryption\Crypt::mode() === 'client') {
if (($keys = OCA_Encryption\Keymanager::getPublicKeys($file))) {
$xml=$keys;
$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'cloud', '', 1, 0, 0);
echo($txt);
}
else {
echo self::generateXml('', 'fail', 404, 'public key does not exist');
}
} else {
echo self::generateXml('', 'fail', 300, 'Client side encryption not enabled for user ' . $user);
echo self::generateXml('', 'fail', 300, 'Client side encryption not enabled');
}
}
@ -782,7 +777,7 @@ class OC_OCS {
if(OC_App::isEnabled('files_encryption') && OCA_Encryption\Crypt::mode($user) === 'client') {
if (($key = OCA_Encryption\Keymanager::getFileKey($user, $file))) {
$xml=array();
$xml['key']=$key;
$xml['key']=$key;
$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'cloud', '', 1, 0, 0);
echo($txt);
} else {