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-rwxr-xr-xpython/olm/__main__.py26
-rw-r--r--python/olm/inbound_group_session.py10
2 files changed, 36 insertions, 0 deletions
diff --git a/python/olm/__main__.py b/python/olm/__main__.py
index f195591..5f78f76 100755
--- a/python/olm/__main__.py
+++ b/python/olm/__main__.py
@@ -268,6 +268,19 @@ def build_arg_parser():
default=sys.stdin)
inbound_group.set_defaults(func=do_inbound_group)
+ import_inbound_group = commands.add_parser(
+ "import_inbound_group",
+ help="Create an inbound group session based an exported inbound group"
+ )
+ import_inbound_group.add_argument("session_file", help="Local inbound group session file")
+ import_inbound_group.add_argument(
+ "export_file",
+ help="File to read credentials from (default stdin)",
+ type=argparse.FileType('r'), nargs='?',
+ default=sys.stdin,
+ )
+ import_inbound_group.set_defaults(func=do_import_inbound_group)
+
group_decrypt = commands.add_parser("group_decrypt", help="Decrypt a group message")
group_decrypt.add_argument("session_file", help="Local inbound group session file")
group_decrypt.add_argument("message_file", help="Message file (default stdin)",
@@ -345,6 +358,19 @@ def do_inbound_group(args):
with open(args.session_file, "wb") as f:
f.write(session.pickle(args.key))
+def do_import_inbound_group(args):
+ if os.path.exists(args.session_file):
+ sys.stderr.write("Session %r file already exists\n" % (
+ args.session_file,
+ ))
+ sys.exit(1)
+ data = args.export_file.read().translate(None, "\r\n")
+
+ session = InboundGroupSession()
+ session.import_session(data)
+ with open(args.session_file, "wb") as f:
+ f.write(session.pickle(args.key))
+
def do_group_decrypt(args):
session = InboundGroupSession()
session.unpickle(args.key, read_base64_file(args.session_file))
diff --git a/python/olm/inbound_group_session.py b/python/olm/inbound_group_session.py
index 67906b2..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(
@@ -83,6 +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(