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-rw-r--r--python/olm/inbound_group_session.py29
1 files changed, 28 insertions, 1 deletions
diff --git a/python/olm/inbound_group_session.py b/python/olm/inbound_group_session.py
index 27a569c..4390b34 100644
--- a/python/olm/inbound_group_session.py
+++ b/python/olm/inbound_group_session.py
@@ -37,6 +37,10 @@ inbound_group_session_function(
)
inbound_group_session_function(
+ lib.olm_import_inbound_group_session, c_void_p, c_size_t
+)
+
+inbound_group_session_function(
lib.olm_group_decrypt_max_plaintext_length, c_void_p, c_size_t
)
inbound_group_session_function(
@@ -49,6 +53,13 @@ inbound_group_session_function(
inbound_group_session_function(lib.olm_inbound_group_session_id_length)
inbound_group_session_function(lib.olm_inbound_group_session_id, c_void_p, c_size_t)
+lib.olm_inbound_group_session_first_known_index.argtypes = (c_void_p,)
+lib.olm_inbound_group_session_first_known_index.restypes = c_uint32
+
+inbound_group_session_function(lib.olm_export_inbound_group_session_length)
+inbound_group_session_function(lib.olm_export_inbound_group_session, c_void_p, c_size_t, c_uint32)
+
+
class InboundGroupSession(object):
def __init__(self):
self.buf = create_string_buffer(lib.olm_inbound_group_session_size())
@@ -76,6 +87,12 @@ class InboundGroupSession(object):
self.ptr, key_buffer, len(session_key)
)
+ def import_session(self, session_key):
+ key_buffer = create_string_buffer(session_key)
+ lib.olm_import_inbound_group_session(
+ self.ptr, key_buffer, len(session_key)
+ )
+
def decrypt(self, message):
message_buffer = create_string_buffer(message)
max_plaintext_length = lib.olm_group_decrypt_max_plaintext_length(
@@ -95,5 +112,15 @@ class InboundGroupSession(object):
def session_id(self):
id_length = lib.olm_inbound_group_session_id_length(self.ptr)
id_buffer = create_string_buffer(id_length)
- lib.olm_inbound_group_session_id(self.ptr, id_buffer, id_length);
+ lib.olm_inbound_group_session_id(self.ptr, id_buffer, id_length)
return id_buffer.raw
+
+ def first_known_index(self):
+ return lib.olm_inbound_group_session_first_known_index(self.ptr)
+
+ def export_session(self, message_index):
+ length = lib.olm_export_inbound_group_session_length(self.ptr)
+ buffer = create_string_buffer(length)
+ lib.olm_export_inbound_group_session(self.ptr, buffer, length,
+ message_index)
+ return buffer.raw