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-rw-r--r--apps/encryption/appinfo/application.php6
-rw-r--r--apps/encryption/hooks/userhooks.php86
-rw-r--r--apps/encryption/lib/keymanager.php75
-rw-r--r--apps/encryption/lib/session.php11
4 files changed, 95 insertions, 83 deletions
diff --git a/apps/encryption/appinfo/application.php b/apps/encryption/appinfo/application.php
index 21d7f3e737f..be432b1a5a8 100644
--- a/apps/encryption/appinfo/application.php
+++ b/apps/encryption/appinfo/application.php
@@ -77,7 +77,8 @@ class Application extends \OCP\AppFramework\App {
$container->query('UserSetup'),
$server->getUserSession(),
$container->query('Util'),
- new \OCA\Encryption\Session($server->getSession())),
+ new \OCA\Encryption\Session($server->getSession()),
+ $container->query('Recovery'))
]);
$hookManager->fireHooks();
@@ -126,8 +127,7 @@ class Application extends \OCP\AppFramework\App {
$server->getConfig(),
$server->getUserSession(),
new \OCA\Encryption\Session($server->getSession()),
- $server->getLogger(),
- $c->query('Recovery')
+ $server->getLogger()
);
});
diff --git a/apps/encryption/hooks/userhooks.php b/apps/encryption/hooks/userhooks.php
index 27780cccfbf..330d8a873ba 100644
--- a/apps/encryption/hooks/userhooks.php
+++ b/apps/encryption/hooks/userhooks.php
@@ -31,6 +31,7 @@ use OCP\ILogger;
use OCP\IUserSession;
use OCA\Encryption\Util;
use OCA\Encryption\Session;
+use OCA\Encryption\Recovery;
class UserHooks implements IHook {
/**
@@ -57,6 +58,10 @@ class UserHooks implements IHook {
* @var Session
*/
private $session;
+ /**
+ * @var Recovery
+ */
+ private $recovery;
/**
* UserHooks constructor.
@@ -67,13 +72,15 @@ class UserHooks implements IHook {
* @param IUserSession $user
* @param Util $util
* @param Session $session
+ * @param Recovery $recovery
*/
public function __construct(KeyManager $keyManager,
ILogger $logger,
Setup $userSetup,
IUserSession $user,
Util $util,
- Session $session) {
+ Session $session,
+ Recovery $recovery) {
$this->keyManager = $keyManager;
$this->logger = $logger;
@@ -81,6 +88,7 @@ class UserHooks implements IHook {
$this->user = $user;
$this->util = $util;
$this->session = $session;
+ $this->recovery = $recovery;
}
/**
@@ -141,7 +149,7 @@ class UserHooks implements IHook {
* remove keys from session during logout
*/
public function logout() {
- KeyManager::$session->clear();
+ $this->session->clear();
}
/**
@@ -180,17 +188,81 @@ class UserHooks implements IHook {
if (App::isEnabled('encryption')) {
if (!$this->user->getUser()->canChangePassword()) {
- if (App::isEnabled('encryption') === false) {
- return true;
+ $this->setPassphrase($params);
+ }
+ }
+ }
+
+ /**
+ * Change a user's encryption passphrase
+ *
+ * @param array $params keys: uid, password
+ * @param IUserSession $user
+ * @param Util $util
+ * @return bool
+ */
+ public function setPassphrase($params) {
+
+ // Get existing decrypted private key
+ $privateKey = $this->session->getPrivateKey();
+
+ if ($params['uid'] === $this->user->getUser()->getUID() && $privateKey) {
+
+ // Encrypt private key with new user pwd as passphrase
+ $encryptedPrivateKey = $this->crypt->symmetricEncryptFileContent($privateKey,
+ $params['password']);
+
+ // Save private key
+ if ($encryptedPrivateKey) {
+ $this->setPrivateKey($this->user->getUser()->getUID(),
+ $encryptedPrivateKey);
+ } else {
+ $this->log->error('Encryption could not update users encryption password');
+ }
+
+ // NOTE: Session does not need to be updated as the
+ // private key has not changed, only the passphrase
+ // used to decrypt it has changed
+ } else { // admin changed the password for a different user, create new keys and reencrypt file keys
+ $user = $params['uid'];
+ $recoveryPassword = isset($params['recoveryPassword']) ? $params['recoveryPassword'] : null;
+
+ // we generate new keys if...
+ // ...we have a recovery password and the user enabled the recovery key
+ // ...encryption was activated for the first time (no keys exists)
+ // ...the user doesn't have any files
+ if (($util->recoveryEnabledForUser() && $recoveryPassword) || !$this->userHasKeys($user) || !$util->userHasFiles($user)
+ ) {
+
+ // backup old keys
+ $this->backupAllKeys('recovery');
+
+ $newUserPassword = $params['password'];
+
+ $keyPair = $this->crypt->createKeyPair();
+
+ // Save public key
+ $this->setPublicKey($user, $keyPair['publicKey']);
+
+ // Encrypt private key with new password
+ $encryptedKey = $this->crypt->symmetricEncryptFileContent($keyPair['privateKey'],
+ $newUserPassword);
+
+ if ($encryptedKey) {
+ $this->setPrivateKey($user, $encryptedKey);
+
+ if ($recoveryPassword) { // if recovery key is set we can re-encrypt the key files
+ $this->recovery->recoverUsersFiles($recoveryPassword);
+ }
+ } else {
+ $this->log->error('Encryption Could not update users encryption password');
}
- $this->keyManager->setPassphrase($params,
- $this->user,
- $this->util);
}
}
}
+
/**
* after password reset we create a new key pair for the user
*
diff --git a/apps/encryption/lib/keymanager.php b/apps/encryption/lib/keymanager.php
index 6c5f2348027..87b19fe35ea 100644
--- a/apps/encryption/lib/keymanager.php
+++ b/apps/encryption/lib/keymanager.php
@@ -23,7 +23,7 @@ namespace OCA\Encryption;
use OC\Encryption\Exceptions\DecryptionFailedException;
-use OC\Encryption\Exceptions\PrivateKeyMissingException;
+use OCA\Encryption\Exceptions\PrivateKeyMissingException;
use OC\Encryption\Exceptions\PublicKeyMissingException;
use OCA\Encryption\Crypto\Crypt;
use OCP\Encryption\Keys\IStorage;
@@ -92,7 +92,6 @@ class KeyManager {
* @param IUserSession $userSession
* @param Session $session
* @param ILogger $log
- * @param Recovery $recovery
*/
public function __construct(
IStorage $keyStorage,
@@ -100,8 +99,7 @@ class KeyManager {
IConfig $config,
IUserSession $userSession,
Session $session,
- ILogger $log,
- Recovery $recovery
+ ILogger $log
) {
$this->session = $session;
@@ -141,7 +139,6 @@ class KeyManager {
$this->keyId = $userSession && $userSession->isLoggedIn() ? $userSession->getUser()->getUID() : false;
$this->log = $log;
- $this->recovery = $recovery;
}
/**
@@ -330,74 +327,6 @@ class KeyManager {
}
/**
- * Change a user's encryption passphrase
- *
- * @param array $params keys: uid, password
- * @param IUserSession $user
- * @param Util $util
- * @return bool
- */
- public function setPassphrase($params, IUserSession $user, Util $util) {
-
- // Get existing decrypted private key
- $privateKey = $this->session->getPrivateKey();
-
- if ($params['uid'] === $user->getUser()->getUID() && $privateKey) {
-
- // Encrypt private key with new user pwd as passphrase
- $encryptedPrivateKey = $this->crypt->symmetricEncryptFileContent($privateKey,
- $params['password']);
-
- // Save private key
- if ($encryptedPrivateKey) {
- $this->setPrivateKey($user->getUser()->getUID(),
- $encryptedPrivateKey);
- } else {
- $this->log->error('Encryption could not update users encryption password');
- }
-
- // NOTE: Session does not need to be updated as the
- // private key has not changed, only the passphrase
- // used to decrypt it has changed
- } else { // admin changed the password for a different user, create new keys and reencrypt file keys
- $user = $params['uid'];
- $recoveryPassword = isset($params['recoveryPassword']) ? $params['recoveryPassword'] : null;
-
- // we generate new keys if...
- // ...we have a recovery password and the user enabled the recovery key
- // ...encryption was activated for the first time (no keys exists)
- // ...the user doesn't have any files
- if (($util->recoveryEnabledForUser() && $recoveryPassword) || !$this->userHasKeys($user) || !$util->userHasFiles($user)
- ) {
-
- // backup old keys
- $this->backupAllKeys('recovery');
-
- $newUserPassword = $params['password'];
-
- $keyPair = $this->crypt->createKeyPair();
-
- // Save public key
- $this->setPublicKey($user, $keyPair['publicKey']);
-
- // Encrypt private key with new password
- $encryptedKey = $this->crypt->symmetricEncryptFileContent($keyPair['privateKey'],
- $newUserPassword);
-
- if ($encryptedKey) {
- $this->setPrivateKey($user, $encryptedKey);
-
- if ($recoveryPassword) { // if recovery key is set we can re-encrypt the key files
- $this->recovery->recoverUsersFiles($recoveryPassword);
- }
- } else {
- $this->log->error('Encryption Could not update users encryption password');
- }
- }
- }
- }
-
- /**
* @param $userId
* @return bool
*/
diff --git a/apps/encryption/lib/session.php b/apps/encryption/lib/session.php
index e049a8fe403..8da11e522ce 100644
--- a/apps/encryption/lib/session.php
+++ b/apps/encryption/lib/session.php
@@ -100,4 +100,15 @@ class Session {
$this->session->set('privateKey', $key);
}
+
+ /**
+ * remove keys from session
+ */
+ public function clear() {
+ $this->session->remove('publicSharePrivateKey');
+ $this->session->remove('privateKey');
+ $this->session->remove('encryptionInitialized');
+
+ }
+
} \ No newline at end of file