aboutsummaryrefslogtreecommitdiff
path: root/python/olm/session.py
diff options
context:
space:
mode:
Diffstat (limited to 'python/olm/session.py')
-rw-r--r--python/olm/session.py204
1 files changed, 0 insertions, 204 deletions
diff --git a/python/olm/session.py b/python/olm/session.py
deleted file mode 100644
index 019ea9e..0000000
--- a/python/olm/session.py
+++ /dev/null
@@ -1,204 +0,0 @@
-from os import urandom
-
-from ._base import *
-
-
-lib.olm_session_size.argtypes = []
-lib.olm_session_size.restype = c_size_t
-
-lib.olm_session.argtypes = [c_void_p]
-lib.olm_session.restype = c_void_p
-
-lib.olm_session_last_error.argtypes = [c_void_p]
-lib.olm_session_last_error.restype = c_char_p
-
-
-def session_errcheck(res, func, args):
- if res == ERR:
- raise OlmError("%s: %s" % (
- func.__name__, lib.olm_session_last_error(args[0])
- ))
- return res
-
-
-def session_function(func, *types):
- func.argtypes = (c_void_p,) + types
- func.restypes = c_size_t
- func.errcheck = session_errcheck
-
-session_function(lib.olm_session_last_error)
-session_function(
- lib.olm_pickle_session, c_void_p, c_size_t, c_void_p, c_size_t
-)
-session_function(
- lib.olm_unpickle_session, c_void_p, c_size_t, c_void_p, c_size_t
-)
-session_function(lib.olm_create_outbound_session_random_length)
-session_function(
- lib.olm_create_outbound_session,
- c_void_p, # Account
- c_void_p, c_size_t, # Identity Key
- c_void_p, c_size_t, # One Time Key
- c_void_p, c_size_t, # Random
-)
-session_function(
- lib.olm_create_inbound_session,
- c_void_p, # Account
- c_void_p, c_size_t, # Pre Key Message
-)
-session_function(
- lib.olm_create_inbound_session_from,
- c_void_p, # Account
- c_void_p, c_size_t, # Identity Key
- c_void_p, c_size_t, # Pre Key Message
-)
-session_function(lib.olm_session_id_length)
-session_function(lib.olm_session_id, c_void_p, c_size_t)
-session_function(lib.olm_matches_inbound_session, c_void_p, c_size_t)
-session_function(
- lib.olm_matches_inbound_session_from,
- c_void_p, c_size_t, # Identity Key
- c_void_p, c_size_t, # Pre Key Message
-)
-session_function(lib.olm_pickle_session_length)
-session_function(lib.olm_encrypt_message_type)
-session_function(lib.olm_encrypt_random_length)
-session_function(lib.olm_encrypt_message_length, c_size_t)
-session_function(
- lib.olm_encrypt,
- c_void_p, c_size_t, # Plaintext
- c_void_p, c_size_t, # Random
- c_void_p, c_size_t, # Message
-)
-session_function(
- lib.olm_decrypt_max_plaintext_length,
- c_size_t, # Message Type
- c_void_p, c_size_t, # Message
-)
-session_function(
- lib.olm_decrypt,
- c_size_t, # Message Type
- c_void_p, c_size_t, # Message
- c_void_p, c_size_t, # Plaintext
-)
-
-
-class Session(object):
- def __init__(self):
- self.buf = create_string_buffer(lib.olm_session_size())
- self.ptr = lib.olm_session(self.buf)
-
- def pickle(self, key):
- key_buffer = create_string_buffer(key)
- pickle_length = lib.olm_pickle_session_length(self.ptr)
- pickle_buffer = create_string_buffer(pickle_length)
- lib.olm_pickle_session(
- self.ptr, key_buffer, len(key), pickle_buffer, pickle_length
- )
- return pickle_buffer.raw
-
- def unpickle(self, key, pickle):
- key_buffer = create_string_buffer(key)
- pickle_buffer = create_string_buffer(pickle)
- lib.olm_unpickle_session(
- self.ptr, key_buffer, len(key), pickle_buffer, len(pickle)
- )
-
- def create_outbound(self, account, identity_key, one_time_key):
- r_length = lib.olm_create_outbound_session_random_length(self.ptr)
- random = urandom(r_length)
- random_buffer = create_string_buffer(random)
- identity_key_buffer = create_string_buffer(identity_key)
- one_time_key_buffer = create_string_buffer(one_time_key)
- lib.olm_create_outbound_session(
- self.ptr,
- account.ptr,
- identity_key_buffer, len(identity_key),
- one_time_key_buffer, len(one_time_key),
- random_buffer, r_length
- )
-
- def create_inbound(self, account, one_time_key_message):
- one_time_key_message_buffer = create_string_buffer(
- one_time_key_message
- )
- lib.olm_create_inbound_session(
- self.ptr,
- account.ptr,
- one_time_key_message_buffer, len(one_time_key_message)
- )
-
- def create_inbound_from(self, account, identity_key, one_time_key_message):
- identity_key_buffer = create_string_buffer(identity_key)
- one_time_key_message_buffer = create_string_buffer(
- one_time_key_message
- )
- lib.olm_create_inbound_session_from(
- self.ptr,
- account.ptr,
- identity_key_buffer, len(identity_key),
- one_time_key_message_buffer, len(one_time_key_message)
- )
-
- def session_id(self):
- id_length = lib.olm_session_id_length(self.ptr)
- id_buffer = create_string_buffer(id_length)
- lib.olm_session_id(self.ptr, id_buffer, id_length)
- return id_buffer.raw
-
- def matches_inbound(self, one_time_key_message):
- one_time_key_message_buffer = create_string_buffer(
- one_time_key_message,
- )
- return bool(lib.olm_matches_inbound_session(
- self.ptr,
- one_time_key_message_buffer, len(one_time_key_message)
- ))
-
- def matches_inbound_from(self, identity_key, one_time_key_message):
- identity_key_buffer = create_string_buffer(identity_key)
- one_time_key_message_buffer = create_string_buffer(
- one_time_key_message,
- )
- return bool(lib.olm_matches_inbound_session(
- self.ptr,
- identity_key_buffer, len(identity_key),
- one_time_key_message_buffer, len(one_time_key_message)
- ))
-
- def encrypt(self, plaintext):
- r_length = lib.olm_encrypt_random_length(self.ptr)
- random = urandom(r_length)
- random_buffer = create_string_buffer(random)
-
- message_type = lib.olm_encrypt_message_type(self.ptr)
- message_length = lib.olm_encrypt_message_length(
- self.ptr, len(plaintext)
- )
- message_buffer = create_string_buffer(message_length)
-
- plaintext_buffer = create_string_buffer(plaintext)
-
- lib.olm_encrypt(
- self.ptr,
- plaintext_buffer, len(plaintext),
- random_buffer, r_length,
- message_buffer, message_length,
- )
- return message_type, message_buffer.raw
-
- def decrypt(self, message_type, message):
- message_buffer = create_string_buffer(message)
- max_plaintext_length = lib.olm_decrypt_max_plaintext_length(
- self.ptr, message_type, message_buffer, len(message)
- )
- plaintext_buffer = create_string_buffer(max_plaintext_length)
- message_buffer = create_string_buffer(message)
- plaintext_length = lib.olm_decrypt(
- self.ptr, message_type, message_buffer, len(message),
- plaintext_buffer, max_plaintext_length
- )
- return plaintext_buffer.raw[:plaintext_length]
-
- def clear(self):
- pass