From dba577f39c489b9db29960f2bf5cc78ac4f29d7b Mon Sep 17 00:00:00 2001 From: Marvin W Date: Sun, 4 Oct 2026 14:42:16 +0200 Subject: Move OMEMO, OpenPGP and RTP plugins into main/libdino --- .../openpgp/file_transfer/file_decryptor.vala | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 main/src/plugins/openpgp/file_transfer/file_decryptor.vala (limited to 'main/src/plugins/openpgp/file_transfer/file_decryptor.vala') diff --git a/main/src/plugins/openpgp/file_transfer/file_decryptor.vala b/main/src/plugins/openpgp/file_transfer/file_decryptor.vala new file mode 100644 index 00000000..2deb5823 --- /dev/null +++ b/main/src/plugins/openpgp/file_transfer/file_decryptor.vala @@ -0,0 +1,50 @@ +using Dino.Entities; + +namespace Dino.Plugins.OpenPgp { + +public class PgpFileDecryptor : FileDecryptor, Object { + + public Encryption get_encryption() { + return Encryption.PGP; + } + + public FileReceiveData prepare_get_meta_info(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data) { + return receive_data; + } + + public FileMeta prepare_download_file(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta) { + return file_meta; + } + + public bool can_decrypt_file(Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data) { + return file_transfer.file_name.has_suffix("pgp") || + (file_transfer.content_type != null && file_transfer.content_type.get_mime_type() == "application/pgp-encrypted"); + } + + public async InputStream decrypt_file(InputStream encrypted_stream, Conversation conversation, FileTransfer file_transfer, FileReceiveData receive_data) throws FileReceiveError { + try { + uint8[] buf = new uint8[256]; + ByteArray data = new ByteArray(); + size_t len = -1; + do { + len = yield encrypted_stream.read_async(buf); + data.append(buf[0:len]); + } while(len > 0); + + GPGHelper.DecryptedData clear_data = GPGHelper.decrypt_data(data.data); + file_transfer.encryption = Encryption.PGP; + if (clear_data.filename != null && clear_data.filename != "") { + debug("Decrypting file %s from %s", clear_data.filename, file_transfer.file_name); + file_transfer.file_name = clear_data.filename; + } else if (file_transfer.file_name.has_suffix(".pgp")) { + debug("Decrypting file %s from %s", file_transfer.file_name.substring(0, file_transfer.file_name.length - 4), file_transfer.file_name); + file_transfer.file_name = file_transfer.file_name.substring(0, file_transfer.file_name.length - 4); + } + return new MemoryInputStream.from_data(clear_data.data, GLib.free); + } catch (Error e) { + throw new FileReceiveError.DECRYPTION_FAILED("PGP file decryption error: %s".printf(e.message)); + } + } +} + +} -- cgit v1.3