diff options
Diffstat (limited to 'plugins/openpgp/src/manager.vala')
| -rw-r--r-- | plugins/openpgp/src/manager.vala | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/plugins/openpgp/src/manager.vala b/plugins/openpgp/src/manager.vala new file mode 100644 index 00000000..81077088 --- /dev/null +++ b/plugins/openpgp/src/manager.vala @@ -0,0 +1,78 @@ +using Gee; +using Xmpp; + +using Xmpp; +using Dino.Entities; + +namespace Dino.Plugins.OpenPgp { + + public class Manager : StreamInteractionModule, Object { + public const string id = "pgp_manager"; + + public const string MESSAGE_ENCRYPTED = "pgp"; + + private StreamInteractor stream_interactor; + private Database db; + private HashMap<Jid, string> pgp_key_ids = new HashMap<Jid, string>(Jid.hash_bare_func, Jid.equals_bare_func); + + public static void start(StreamInteractor stream_interactor, Database db) { + Manager m = new Manager(stream_interactor, db); + stream_interactor.add_module(m); + } + + private Manager(StreamInteractor stream_interactor, Database db) { + this.stream_interactor = stream_interactor; + this.db = db; + + stream_interactor.account_added.connect(on_account_added); + MessageManager.get_instance(stream_interactor).pre_message_received.connect(on_pre_message_received); + MessageManager.get_instance(stream_interactor).pre_message_send.connect(on_pre_message_send); + } + + private void on_pre_message_received(Entities.Message message, Xmpp.Message.Stanza message_stanza, Conversation conversation) { + if (MessageFlag.get_flag(message_stanza) != null && MessageFlag.get_flag(message_stanza).decrypted) { + message.encryption = Encryption.PGP; + } + } + + private void on_pre_message_send(Entities.Message message, Xmpp.Message.Stanza message_stanza, Conversation conversation) { + if (message.encryption == Encryption.PGP) { + string? key_id = get_key_id(conversation.account, message.counterpart); + bool encrypted = false; + if (key_id != null) { + encrypted = stream_interactor.get_stream(conversation.account).get_module(Module.IDENTITY).encrypt(message_stanza, key_id); + } + if (!encrypted) { + message.marked = Entities.Message.Marked.WONTSEND; + } + } + } + + public string? get_key_id(Account account, Jid jid) { + return db.get_pgp_key(jid); + } + + public static Manager? get_instance(StreamInteractor stream_interactor) { + return (Manager) stream_interactor.get_module(id); + } + + internal string get_id() { + return id; + } + + private void on_account_added(Account account) { + stream_interactor.module_manager.get_module(account, Module.IDENTITY).received_jid_key_id.connect((stream, jid, key_id) => { + on_jid_key_received(account, new Jid(jid), key_id); + }); + } + + private void on_jid_key_received(Account account, Jid jid, string key_id) { + if (!pgp_key_ids.has_key(jid) || pgp_key_ids[jid] != key_id) { + if (!MucManager.get_instance(stream_interactor).is_groupchat_occupant(jid, account)) { + db.set_pgp_key(jid.bare_jid, key_id); + } + } + pgp_key_ids[jid] = key_id; + } + } +}
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