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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| from dataclasses import dataclass, field | ||
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| from mls_rs_uniffi import CipherSuite, generate_signature_keypair, Client, \ | ||
| GroupStateStorage, EpochRecord, ClientConfig, ProtocolVersion | ||
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| @dataclass | ||
| class GroupStateData: | ||
| state: bytes | ||
| epoch_data: list[EpochRecord] = field(default_factory=list) | ||
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| class PythonGroupStateStorage(GroupStateStorage): | ||
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| def __init__(self): | ||
| self.groups: dict[str, GroupStateData] = {} | ||
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| def state(self, group_id: bytes): | ||
| group = self.groups.get(group_id.hex()) | ||
| if group == None: | ||
| return None | ||
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| return group.state | ||
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| def epoch(self, group_id: bytes, epoch_id: int): | ||
| group = self.groups.get(group_id.hex()) | ||
| if group == None: | ||
| return None | ||
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| for epoch in group.epoch_data: | ||
| if epoch.id == epoch_id: | ||
| return epoch | ||
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| return None | ||
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| def write(self, group_id: bytes, group_state: bytes, | ||
| epoch_inserts: list[EpochRecord], | ||
| epoch_updates: list[EpochRecord]): | ||
| if group_id.hex() not in self.groups: | ||
| self.groups[group_id.hex()] = GroupStateData(group_state) | ||
| group = self.groups[group_id.hex()] | ||
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| for insert in epoch_inserts: | ||
| group.epoch_data.append(insert) | ||
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| for update in epoch_updates: | ||
| for i in range(len(group.epoch_data)): | ||
| if group.epoch_data[i].id == update.id: | ||
| group.epoch_data[i] = update | ||
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| def max_epoch_id(self, group_id: bytes): | ||
| group = self.groups.get(group_id.hex()) | ||
| if group == None: | ||
| return None | ||
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| last = group.epoch_data.last() | ||
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| if last == None: | ||
| return None | ||
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| return last.id | ||
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| group_state_storage = PythonGroupStateStorage() | ||
| client_config = ClientConfig(group_state_storage, | ||
| use_ratchet_tree_extension=True) | ||
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| key = generate_signature_keypair(CipherSuite.CURVE25519_AES128) | ||
| alice = Client(b'alice', key, client_config) | ||
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| key = generate_signature_keypair(CipherSuite.CURVE25519_AES128) | ||
| bob = Client(b'bob', key, client_config) | ||
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| alice = alice.create_group(None) | ||
| message = bob.generate_key_package_message() | ||
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| output = alice.add_members([message]) | ||
| alice.process_incoming_message(output.commit_message) | ||
| bob = bob.join_group(None, output.welcome_messages[0]).group | ||
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| msg = alice.encrypt_application_message(b'hello, bob') | ||
| output = bob.process_incoming_message(msg) | ||
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| alice.write_to_storage() | ||
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| assert output.data == b'hello, bob' | ||
| assert len(group_state_storage.groups) == 1 |
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