Refactor python wrappers

Split the python wrappers into separate modules

1 files changed, 0 insertions, 542 deletions

diff --git a/python/olm.py b/python/olm.py
deleted file mode 100755
index b048844..0000000
--- a/python/olm.py
+++ /dev/null
@@ -1,542 +0,0 @@
-#! /usr/bin/env python
-from ctypes import *
-import json
-import os
-
-lib = cdll.LoadLibrary(os.path.join(
-    os.path.dirname(__file__), "..", "build", "libolm.so")
-)
-
-
-lib.olm_error.argtypes = []
-lib.olm_error.restypes = c_size_t
-
-ERR = lib.olm_error()
-
-class OlmError(Exception):
-    pass
-
-
-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_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
-)
-
-
-def read_random(n):
-    with open("/dev/urandom", "rb") as f:
-        return f.read(n)
-
-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
-
-
-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_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 = read_random(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 = read_random(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
-
-
-if __name__ == '__main__':
-    import argparse
-    import sys
-    import os
-    import yaml
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument("--key", help="Account encryption key", default="")
-    commands = parser.add_subparsers()
-
-    create_account = commands.add_parser("create_account", help="Create a new account")
-    create_account.add_argument("account_file", help="Local account file")
-
-    def do_create_account(args):
-        if os.path.exists(args.account_file):
-            sys.stderr.write("Account %r file already exists" % (
-                args.account_file,
-            ))
-            sys.exit(1)
-        account = Account()
-        account.create()
-        with open(args.account_file, "wb") as f:
-            f.write(account.pickle(args.key))
-
-    create_account.set_defaults(func=do_create_account)
-
-    keys = commands.add_parser("keys", help="List public keys for an account")
-    keys.add_argument("account_file", help="Local account file")
-    keys.add_argument("--json", action="store_true", help="Output as JSON")
-
-    def do_keys(args):
-        account = Account()
-        with open(args.account_file, "rb") as f:
-            account.unpickle(args.key, f.read())
-        result = {
-            "account_keys": account.identity_keys(),
-            "one_time_keys": account.one_time_keys(),
-        }
-        try:
-            if args.json:
-                json.dump(result, sys.stdout, indent=4)
-            else:
-                yaml.safe_dump(result, sys.stdout, default_flow_style=False)
-        except:
-            pass
-
-    keys.set_defaults(func=do_keys)
-
-    sign = commands.add_parser("sign", help="Sign a message")
-    sign.add_argument("account_file", help="Local account file")
-    sign.add_argument("message_file", help="Message to sign")
-    sign.add_argument("signature_file", help="Signature to output")
-
-    def do_sign(args):
-        account = Account()
-        with open(args.account_file, "rb") as f:
-            account.unpickle(args.key, f.read())
-        with open_in(args.message_file) as f:
-             message = f.read()
-        signature = account.sign(message)
-        with open_out(args.signature_file) as f:
-             f.write(signature)
-
-    sign.set_defaults(func=do_sign)
-
-
-    generate_keys = commands.add_parser("generate_keys", help="Generate one time keys")
-    generate_keys.add_argument("account_file", help="Local account file")
-    generate_keys.add_argument("count", type=int, help="Number of keys to generate")
-
-    def do_generate_keys(args):
-        account = Account()
-        with open(args.account_file, "rb") as f:
-            account.unpickle(args.key, f.read())
-        account.generate_one_time_keys(args.count)
-        with open(args.account_file, "wb") as f:
-            f.write(account.pickle(args.key))
-
-    generate_keys.set_defaults(func=do_generate_keys)
-
-
-    outbound = commands.add_parser("outbound", help="Create an outbound session")
-    outbound.add_argument("account_file", help="Local account file")
-    outbound.add_argument("session_file", help="Local session file")
-    outbound.add_argument("identity_key", help="Remote identity key")
-    outbound.add_argument("one_time_key", help="Remote one time key")
-
-    def do_outbound(args):
-        if os.path.exists(args.session_file):
-            sys.stderr.write("Session %r file already exists" % (
-                args.session_file,
-            ))
-            sys.exit(1)
-        account = Account()
-        with open(args.account_file, "rb") as f:
-            account.unpickle(args.key, f.read())
-        session = Session()
-        session.create_outbound(
-            account, args.identity_key, args.one_time_key
-        )
-        with open(args.session_file, "wb") as f:
-            f.write(session.pickle(args.key))
-
-    outbound.set_defaults(func=do_outbound)
-
-    def open_in(path):
-        if path == "-":
-            return sys.stdin
-        else:
-            return open(path, "rb")
-
-    def open_out(path):
-        if path == "-":
-            return sys.stdout
-        else:
-            return open(path, "wb")
-
-    inbound = commands.add_parser("inbound", help="Create an inbound session")
-    inbound.add_argument("account_file", help="Local account file")
-    inbound.add_argument("session_file", help="Local session file")
-    inbound.add_argument("message_file", help="Message", default="-")
-    inbound.add_argument("plaintext_file", help="Plaintext", default="-")
-
-    def do_inbound(args):
-        if os.path.exists(args.session_file):
-            sys.stderr.write("Session %r file already exists" % (
-                args.session_file,
-            ))
-            sys.exit(1)
-        account = Account()
-        with open(args.account_file, "rb") as f:
-            account.unpickle(args.key, f.read())
-        with open_in(args.message_file) as f:
-            message_type = f.read(8)
-            message = f.read()
-        if message_type != "PRE_KEY ":
-            sys.stderr.write("Expecting a PRE_KEY message")
-            sys.exit(1)
-        session = Session()
-        session.create_inbound(account, message)
-        plaintext = session.decrypt(0, message)
-        with open(args.session_file, "wb") as f:
-            f.write(session.pickle(args.key))
-        with open_out(args.plaintext_file) as f:
-            f.write(plaintext)
-
-    inbound.set_defaults(func=do_inbound)
-
-    session_id = commands.add_parser("session_id", help="Session ID")
-    session_id.add_argument("session_file", help="Local session file")
-
-    def do_session_id(args):
-        session = Session()
-        with open(args.session_file, "rb") as f:
-            session.unpickle(args.key, f.read())
-        sys.stdout.write(session.session_id() + "\n")
-
-    session_id.set_defaults(func=do_session_id)
-
-    encrypt = commands.add_parser("encrypt", help="Encrypt a message")
-    encrypt.add_argument("session_file", help="Local session file")
-    encrypt.add_argument("plaintext_file", help="Plaintext", default="-")
-    encrypt.add_argument("message_file", help="Message", default="-")
-
-    def do_encrypt(args):
-        session = Session()
-        with open(args.session_file, "rb") as f:
-            session.unpickle(args.key, f.read())
-        with open_in(args.plaintext_file) as f:
-            plaintext = f.read()
-        message_type, message = session.encrypt(plaintext)
-        with open(args.session_file, "wb") as f:
-            f.write(session.pickle(args.key))
-        with open_out(args.message_file) as f:
-            f.write(["PRE_KEY ", "MESSAGE "][message_type])
-            f.write(message)
-
-    encrypt.set_defaults(func=do_encrypt)
-
-    decrypt = commands.add_parser("decrypt", help="Decrypt a message")
-    decrypt.add_argument("session_file", help="Local session file")
-    decrypt.add_argument("message_file", help="Message", default="-")
-    decrypt.add_argument("plaintext_file", help="Plaintext", default="-")
-
-    def do_decrypt(args):
-        session = Session()
-        with open(args.session_file, "rb") as f:
-            session.unpickle(args.key, f.read())
-        with open_in(args.message_file) as f:
-            message_type = f.read(8)
-            message = f.read()
-        if message_type not in {"PRE_KEY ", "MESSAGE "}:
-            sys.stderr.write("Expecting a PRE_KEY or MESSAGE message")
-            sys.exit(1)
-        message_type = 1 if message_type == "MESSAGE " else 0
-        plaintext = session.decrypt(message_type, message)
-        with open(args.session_file, "wb") as f:
-            f.write(session.pickle(args.key))
-        with open_out(args.plaintext_file) as f:
-            f.write(plaintext)
-
-    decrypt.set_defaults(func=do_decrypt)
-
-    args = parser.parse_args()
-    args.func(args)
-
-