diff options
Diffstat (limited to 'plugins/omemo/src/jingle/jingle_helper.vala')
| -rw-r--r-- | plugins/omemo/src/jingle/jingle_helper.vala | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/plugins/omemo/src/jingle/jingle_helper.vala b/plugins/omemo/src/jingle/jingle_helper.vala new file mode 100644 index 00000000..6814fd00 --- /dev/null +++ b/plugins/omemo/src/jingle/jingle_helper.vala @@ -0,0 +1,53 @@ +using Dino.Entities; +using Xmpp; + +namespace Dino.Plugins.JetOmemo { +public class EncryptionHelper : JingleFileEncryptionHelper, Object { + private StreamInteractor stream_interactor; + + public EncryptionHelper(StreamInteractor stream_interactor) { + this.stream_interactor = stream_interactor; + } + + public bool can_transfer(Conversation conversation) { + return true; + } + + public bool can_encrypt(Conversation conversation, FileTransfer file_transfer, Jid? full_jid) { + XmppStream? stream = stream_interactor.get_stream(conversation.account); + if (stream == null) return false; + + Gee.List<Jid>? resources = stream.get_flag(Presence.Flag.IDENTITY).get_resources(conversation.counterpart); + if (resources == null) return false; + + if (full_jid == null) { + foreach (Jid test_jid in resources) { + if (stream.get_module(Module.IDENTITY).is_available(stream, test_jid)) { + return true; + } + } + } else { + if (stream.get_module(Module.IDENTITY).is_available(stream, full_jid)) { + return true; + } + } + return false; + } + + public string? get_precondition_name(Conversation conversation, FileTransfer file_transfer) { + return Xep.Jet.NS_URI; + } + + public Object? get_precondition_options(Conversation conversation, FileTransfer file_transfer) { + return new Xep.Jet.Options(Omemo.NS_URI, AES_128_GCM_URI); + } + + public FileMeta complete_meta(FileTransfer file_transfer, FileReceiveData receive_data, FileMeta file_meta, Xmpp.Xep.JingleFileTransfer.FileTransfer jingle_transfer) { + Xep.Jet.SecurityParameters? security = jingle_transfer.security as Xep.Jet.SecurityParameters; + if (security != null && security.encoding.get_type_uri() == Omemo.NS_URI) { + file_transfer.encryption = Encryption.OMEMO; + } + return file_meta; + } +} +}
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