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-rw-r--r--plugins/omemo/src/logic/manager.vala29
-rw-r--r--plugins/omemo/src/logic/trust_manager.vala111
2 files changed, 79 insertions, 61 deletions
diff --git a/plugins/omemo/src/logic/manager.vala b/plugins/omemo/src/logic/manager.vala
index b8862ab8..3fe41a35 100644
--- a/plugins/omemo/src/logic/manager.vala
+++ b/plugins/omemo/src/logic/manager.vala
@@ -149,7 +149,7 @@ public class Manager : StreamInteractionModule, Object {
}
if (state.waiting_other_devicelists > 0 && message.counterpart != null) {
foreach(Jid jid in get_occupants(((!)message.counterpart).bare_jid, conversation.account)) {
- module.request_user_devicelist((!)stream, jid);
+ module.request_user_devicelist.begin((!)stream, jid);
}
}
}
@@ -161,7 +161,7 @@ public class Manager : StreamInteractionModule, Object {
XmppStream? stream = stream_interactor.get_stream(account);
if(stream == null) return;
- stream_interactor.module_manager.get_module(account, StreamModule.IDENTITY).request_user_devicelist((!)stream, jid);
+ stream_interactor.module_manager.get_module(account, StreamModule.IDENTITY).request_user_devicelist.begin((!)stream, jid);
}
private void on_account_added(Account account) {
@@ -171,7 +171,7 @@ public class Manager : StreamInteractionModule, Object {
}
private void on_stream_negotiated(Account account, XmppStream stream) {
- stream_interactor.module_manager.get_module(account, StreamModule.IDENTITY).request_user_devicelist(stream, account.bare_jid);
+ stream_interactor.module_manager.get_module(account, StreamModule.IDENTITY).request_user_devicelist.begin(stream, account.bare_jid);
}
private void on_device_list_loaded(Account account, Jid jid, ArrayList<int32> device_list) {
@@ -352,7 +352,7 @@ public class Manager : StreamInteractionModule, Object {
if (stream == null) return;
StreamModule? module = ((!)stream).get_module(StreamModule.IDENTITY);
if(module == null) return;
- module.request_user_devicelist(stream, account.bare_jid);
+ module.request_user_devicelist.begin(stream, account.bare_jid);
}
}
@@ -376,6 +376,27 @@ public class Manager : StreamInteractionModule, Object {
return trust_manager.is_known_address(conversation.account, conversation.counterpart.bare_jid);
}
+ public async bool ensure_get_keys_for_conversation(Conversation conversation) {
+ if (stream_interactor.get_module(MucManager.IDENTITY).is_private_room(conversation.account, conversation.counterpart)) {
+ foreach (Jid offline_member in stream_interactor.get_module(MucManager.IDENTITY).get_offline_members(conversation.counterpart, conversation.account)) {
+ bool ok = yield ensure_get_keys_for_jid(conversation.account, offline_member);
+ if (!ok) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ return yield ensure_get_keys_for_jid(conversation.account, conversation.counterpart.bare_jid);
+ }
+
+ public async bool ensure_get_keys_for_jid(Account account, Jid jid) {
+ if (trust_manager.is_known_address(account, jid)) return true;
+ XmppStream? stream = stream_interactor.get_stream(account);
+ var device_list = yield stream_interactor.module_manager.get_module(account, StreamModule.IDENTITY).request_user_devicelist((!)stream, jid);
+ return device_list.size > 0;
+ }
+
public static void start(StreamInteractor stream_interactor, Database db, TrustManager trust_manager) {
Manager m = new Manager(stream_interactor, db, trust_manager);
stream_interactor.add_module(m);
diff --git a/plugins/omemo/src/logic/trust_manager.vala b/plugins/omemo/src/logic/trust_manager.vala
index 7758de75..ded7e995 100644
--- a/plugins/omemo/src/logic/trust_manager.vala
+++ b/plugins/omemo/src/logic/trust_manager.vala
@@ -269,70 +269,67 @@ public class TrustManager {
if (sid <= 0) return false;
foreach (StanzaNode key_node in header.get_subnodes("key")) {
if (key_node.get_attribute_int("rid") == store.local_registration_id) {
- try {
- string? payload = encrypted.get_deep_string_content("payload");
- string? iv_node = header.get_deep_string_content("iv");
- string? key_node_content = key_node.get_string_content();
- if (payload == null || iv_node == null || key_node_content == null) continue;
- uint8[] key;
- uint8[] ciphertext = Base64.decode((!)payload);
- uint8[] iv = Base64.decode((!)iv_node);
- Gee.List<Jid> possible_jids = new ArrayList<Jid>();
- if (conversation.type_ == Conversation.Type.CHAT) {
- possible_jids.add(stanza.from);
+
+ string? payload = encrypted.get_deep_string_content("payload");
+ string? iv_node = header.get_deep_string_content("iv");
+ string? key_node_content = key_node.get_string_content();
+ if (payload == null || iv_node == null || key_node_content == null) continue;
+ uint8[] key;
+ uint8[] ciphertext = Base64.decode((!)payload);
+ uint8[] iv = Base64.decode((!)iv_node);
+ Gee.List<Jid> possible_jids = new ArrayList<Jid>();
+ if (conversation.type_ == Conversation.Type.CHAT) {
+ possible_jids.add(stanza.from);
+ } else {
+ Jid? real_jid = message.real_jid;
+ if (real_jid != null) {
+ possible_jids.add(real_jid);
} else {
- Jid? real_jid = message.real_jid;
- if (real_jid != null) {
- possible_jids.add(real_jid);
- } else {
- // If we don't know the device name (MUC history w/o MAM), test decryption with all keys with fitting device id
- foreach (Row row in db.identity_meta.get_with_device_id(sid)) {
- possible_jids.add(new Jid(row[db.identity_meta.address_name]));
- }
+ // If we don't know the device name (MUC history w/o MAM), test decryption with all keys with fitting device id
+ foreach (Row row in db.identity_meta.get_with_device_id(sid)) {
+ possible_jids.add(new Jid(row[db.identity_meta.address_name]));
}
}
+ }
- foreach (Jid possible_jid in possible_jids) {
- try {
- Address address = new Address(possible_jid.bare_jid.to_string(), header.get_attribute_int("sid"));
- if (key_node.get_attribute_bool("prekey")) {
- PreKeySignalMessage msg = Plugin.get_context().deserialize_pre_key_signal_message(Base64.decode((!)key_node_content));
- SessionCipher cipher = store.create_session_cipher(address);
- key = cipher.decrypt_pre_key_signal_message(msg);
- } else {
- SignalMessage msg = Plugin.get_context().deserialize_signal_message(Base64.decode((!)key_node_content));
- SessionCipher cipher = store.create_session_cipher(address);
- key = cipher.decrypt_signal_message(msg);
- }
- //address.device_id = 0; // TODO: Hack to have address obj live longer
-
- if (key.length >= 32) {
- int authtaglength = key.length - 16;
- uint8[] new_ciphertext = new uint8[ciphertext.length + authtaglength];
- uint8[] new_key = new uint8[16];
- Memory.copy(new_ciphertext, ciphertext, ciphertext.length);
- Memory.copy((uint8*)new_ciphertext + ciphertext.length, (uint8*)key + 16, authtaglength);
- Memory.copy(new_key, key, 16);
- ciphertext = new_ciphertext;
- key = new_key;
- }
-
- message.body = arr_to_str(aes_decrypt(Cipher.AES_GCM_NOPADDING, key, iv, ciphertext));
- message_device_id_map[message] = address.device_id;
- message.encryption = Encryption.OMEMO;
- flag.decrypted = true;
- } catch (Error e) {
- continue;
+ foreach (Jid possible_jid in possible_jids) {
+ try {
+ Address address = new Address(possible_jid.bare_jid.to_string(), header.get_attribute_int("sid"));
+ if (key_node.get_attribute_bool("prekey")) {
+ PreKeySignalMessage msg = Plugin.get_context().deserialize_pre_key_signal_message(Base64.decode((!)key_node_content));
+ SessionCipher cipher = store.create_session_cipher(address);
+ key = cipher.decrypt_pre_key_signal_message(msg);
+ } else {
+ SignalMessage msg = Plugin.get_context().deserialize_signal_message(Base64.decode((!)key_node_content));
+ SessionCipher cipher = store.create_session_cipher(address);
+ key = cipher.decrypt_signal_message(msg);
}
-
- // If we figured out which real jid a message comes from due to decryption working, save it
- if (conversation.type_ == Conversation.Type.GROUPCHAT && message.real_jid == null) {
- message.real_jid = possible_jid;
+ //address.device_id = 0; // TODO: Hack to have address obj live longer
+
+ if (key.length >= 32) {
+ int authtaglength = key.length - 16;
+ uint8[] new_ciphertext = new uint8[ciphertext.length + authtaglength];
+ uint8[] new_key = new uint8[16];
+ Memory.copy(new_ciphertext, ciphertext, ciphertext.length);
+ Memory.copy((uint8*)new_ciphertext + ciphertext.length, (uint8*)key + 16, authtaglength);
+ Memory.copy(new_key, key, 16);
+ ciphertext = new_ciphertext;
+ key = new_key;
}
- break;
+
+ message.body = arr_to_str(aes_decrypt(Cipher.AES_GCM_NOPADDING, key, iv, ciphertext));
+ message_device_id_map[message] = address.device_id;
+ message.encryption = Encryption.OMEMO;
+ flag.decrypted = true;
+ } catch (Error e) {
+ continue;
}
- } catch (Error e) {
- warning(@"Signal error while decrypting message: $(e.message)\n");
+
+ // If we figured out which real jid a message comes from due to decryption working, save it
+ if (conversation.type_ == Conversation.Type.GROUPCHAT && message.real_jid == null) {
+ message.real_jid = possible_jid;
+ }
+ break;
}
}
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-06 07:26:33 +0000