olm/python/olm/account.py
Matthew Hodgson 38acc352a3 fix missing ctypes function signatures
These missing signatures were causing OSX to truncate 64-bit pointers
to 32-bit pointers when calling the missing methods, causing segfaults
2016-10-02 02:50:52 +01:00

122 lines
4.1 KiB
Python

import json
from ._base import *
lib.olm_account_size.argtypes = []
lib.olm_account_size.restype = c_size_t
lib.olm_account.argtypes = [c_void_p]
lib.olm_account.restype = c_void_p
lib.olm_account_last_error.argtypes = [c_void_p]
lib.olm_account_last_error.restype = c_char_p
def account_errcheck(res, func, args):
if res == ERR:
raise OlmError("%s: %s" % (
func.__name__, lib.olm_account_last_error(args[0])
))
return res
def account_function(func, *types):
func.argtypes = (c_void_p,) + types
func.restypes = c_size_t
func.errcheck = account_errcheck
account_function(
lib.olm_pickle_account, c_void_p, c_size_t, c_void_p, c_size_t
)
account_function(
lib.olm_unpickle_account, c_void_p, c_size_t, c_void_p, c_size_t
)
account_function(lib.olm_create_account_random_length)
account_function(lib.olm_create_account, c_void_p, c_size_t)
account_function(lib.olm_account_identity_keys_length)
account_function(lib.olm_account_identity_keys, c_void_p, c_size_t)
account_function(lib.olm_account_signature_length)
account_function(lib.olm_account_sign, c_void_p, c_size_t, c_void_p, c_size_t)
account_function(lib.olm_account_one_time_keys_length)
account_function(lib.olm_account_one_time_keys, c_void_p, c_size_t)
account_function(lib.olm_account_mark_keys_as_published)
account_function(lib.olm_account_max_number_of_one_time_keys)
account_function(lib.olm_pickle_account_length)
account_function(
lib.olm_account_generate_one_time_keys_random_length,
c_size_t
)
account_function(
lib.olm_account_generate_one_time_keys,
c_size_t,
c_void_p, c_size_t
)
class Account(object):
def __init__(self):
self.buf = create_string_buffer(lib.olm_account_size())
self.ptr = lib.olm_account(self.buf)
def create(self):
random_length = lib.olm_create_account_random_length(self.ptr)
random = read_random(random_length)
random_buffer = create_string_buffer(random)
lib.olm_create_account(self.ptr, random_buffer, random_length)
def pickle(self, key):
key_buffer = create_string_buffer(key)
pickle_length = lib.olm_pickle_account_length(self.ptr)
pickle_buffer = create_string_buffer(pickle_length)
lib.olm_pickle_account(
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_account(
self.ptr, key_buffer, len(key), pickle_buffer, len(pickle)
)
def identity_keys(self):
out_length = lib.olm_account_identity_keys_length(self.ptr)
out_buffer = create_string_buffer(out_length)
lib.olm_account_identity_keys(
self.ptr,
out_buffer, out_length
)
return json.loads(out_buffer.raw)
def sign(self, message):
out_length = lib.olm_account_signature_length(self.ptr)
message_buffer = create_string_buffer(message)
out_buffer = create_string_buffer(out_length)
lib.olm_account_sign(
self.ptr, message_buffer, len(message), out_buffer, out_length
)
return out_buffer.raw
def one_time_keys(self):
out_length = lib.olm_account_one_time_keys_length(self.ptr)
out_buffer = create_string_buffer(out_length)
lib.olm_account_one_time_keys(self.ptr, out_buffer, out_length)
return json.loads(out_buffer.raw)
def mark_keys_as_published(self):
lib.olm_account_mark_keys_as_published(self.ptr)
def max_number_of_one_time_keys(self):
return lib.olm_account_max_number_of_one_time_keys(self.ptr)
def generate_one_time_keys(self, count):
random_length = lib.olm_account_generate_one_time_keys_random_length(
self.ptr, count
)
random = read_random(random_length)
random_buffer = create_string_buffer(random)
lib.olm_account_generate_one_time_keys(
self.ptr, count, random_buffer, random_length
)
def clear(self):
pass