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| author | Sam Tuke <samtuke@owncloud.com> | 2013-02-09 18:39:32 +0000 |
|---|---|---|
| committer | Sam Tuke <samtuke@owncloud.com> | 2013-02-09 18:39:32 +0000 |
| commit | b3e59ca1e31f162d7ac720d8729958f438b23a02 (patch) | |
| tree | 97a87081392554086ce010d603125cba9f8ea9e3 /apps/files_encryption/hooks | |
| parent | 1aba986d9f219a872c83b5f8b46f641e2699a222 (diff) | |
| download | nextcloud-server-b3e59ca1e31f162d7ac720d8729958f438b23a02.tar.gz nextcloud-server-b3e59ca1e31f162d7ac720d8729958f438b23a02.zip | |
Work on post_share hook for files_encryption
New method in OCP\Share{}:: getUsersSharingFile()
Development shapshot
Diffstat (limited to 'apps/files_encryption/hooks')
| -rw-r--r-- | apps/files_encryption/hooks/hooks.php | 71 |
1 files changed, 67 insertions, 4 deletions
diff --git a/apps/files_encryption/hooks/hooks.php b/apps/files_encryption/hooks/hooks.php index 8bdeee0937b..c6d4c16115a 100644 --- a/apps/files_encryption/hooks/hooks.php +++ b/apps/files_encryption/hooks/hooks.php @@ -166,14 +166,77 @@ class Hooks { */
public static function postShared( $params ) {
- // Delete existing catfile
- Keymanager::deleteFileKey( );
+ // NOTE: $params is an array with these keys:
+ // itemSource -> int, filecache file ID
+ // shareWith -> string, uid of user being shared to
+ // fileTarget -> path of file being shared
+ // uidOwner -> owner of the original file being shared
- // Generate new catfile and env keys
- Crypt::multiKeyEncrypt( $plainContent, $publicKeys );
+ $view = new \OC_FilesystemView( '/' );
+ $userId = \OCP\User::getUser();
+ $util = new Util( $view, $userId );
+
+ $shares = \OCP\Share::getUsersSharingFile( $params['fileTarget'] );
+
+ $userIds = array();
+
+ foreach ( $shares as $share ) {
+
+ $util = new Util( $view, $share['userId'] );
+
+ // Check that the user is encryption capable
+ if ( $util->ready() ) {
+
+ // Construct array of just UIDs for Keymanager{}
+ $userIds[] = $share['userId'];
+
+ } else {
+
+ // Log warning; we can't do necessary setup here
+ // because we don't have the user passphrase
+ // TODO: Provide user feedback indicating that
+ // sharing failed
+ \OC_Log::write( 'Encryption library', 'File cannot be shared: user "'.$share['userId'].'" is not setup for encryption', \OC_Log::WARN );
+
+ }
+
+ }
+
+ trigger_error("UIDS = ".var_export($userIds, 1));
+
+ $userPubKeys = Keymanager::getPublicKeys( $view, $userIds );
+
+// trigger_error("PUB KEYS = ".var_export($userPubKeys, 1));
+
+ // TODO: Fetch path from Crypt{} getter
+ $plainContent = $view->file_get_contents( $userId . '/' . 'files'. '/' . $params['fileTarget'] );
+
+ // Generate new catfile and share keys
+ if ( ! $encrypted = Crypt::multiKeyEncrypt( $plainContent, $userPubKeys ) ) {
+
+ // If the re-encryption failed, don't risk deleting data
+ return false;
+
+ }
+
+ trigger_error("ENCRYPTED = ". var_export($encrypted, 1));
// Save env keys to user folders
+ foreach ( $encrypted['keys'] as $key ) {
+
+// Keymanager::setShareKey( $view, $params['fileTarget'], $userId, $key );
+
+ }
+ // Delete existing catfile
+ // Check if keyfile exists (it won't if file has been shared before)
+ // Do this last to ensure file is recoverable in case of error
+ if ( $util->isEncryptedPath( $params['fileTarget'] ) ) {
+
+ // NOTE: This will trigger an error if keyfile isn't found
+// Keymanager::deleteFileKey( $params['fileTarget'] );
+
+ }
}
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