1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772
|
from __future__ import annotations
import asyncio
import base64
from typing import Any
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
from noiseprotocol.connection import NoiseConnection # type: ignore[import-untyped]
from aioesphomeapi import APIConnection
from aioesphomeapi._frame_helper import APINoiseFrameHelper, APIPlaintextFrameHelper
from aioesphomeapi._frame_helper.noise import ESPHOME_NOISE_BACKEND
from aioesphomeapi._frame_helper.plain_text import (
_cached_varuint_to_bytes as cached_varuint_to_bytes,
)
from aioesphomeapi._frame_helper.plain_text import _varuint_to_bytes as varuint_to_bytes
from aioesphomeapi.connection import ConnectionState
from aioesphomeapi.core import (
APIConnectionError,
BadNameAPIError,
HandshakeAPIError,
InvalidEncryptionKeyAPIError,
ProtocolAPIError,
ReadFailedAPIError,
SocketClosedAPIError,
)
from .common import get_mock_protocol, mock_data_received
from .conftest import get_mock_connection_params
PREAMBLE = b"\x00"
NOISE_HELLO = b"\x01\x00\x00"
def _extract_encrypted_payload_from_handshake(handshake_pkt: bytes) -> bytes:
noise_hello = handshake_pkt[0:3]
pkt_header = handshake_pkt[3:6]
assert noise_hello == NOISE_HELLO
assert pkt_header[0] == 1 # type
pkg_length_high = pkt_header[1]
pkg_length_low = pkt_header[2]
pkg_length = (pkg_length_high << 8) + pkg_length_low
assert pkg_length == 49
noise_prefix = handshake_pkt[6:7]
assert noise_prefix == b"\x00"
return handshake_pkt[7:]
def _make_noise_hello_pkt(hello_pkt: bytes) -> bytes:
"""Make a noise hello packet."""
preamble = 1
hello_pkg_length = len(hello_pkt)
hello_pkg_length_high = (hello_pkg_length >> 8) & 0xFF
hello_pkg_length_low = hello_pkg_length & 0xFF
hello_header = bytes((preamble, hello_pkg_length_high, hello_pkg_length_low))
return hello_header + hello_pkt
def _make_noise_handshake_pkt(proto: NoiseConnection) -> bytes:
handshake = proto.write_message(b"")
handshake_pkt = b"\x00" + handshake
preamble = 1
handshake_pkg_length = len(handshake_pkt)
handshake_pkg_length_high = (handshake_pkg_length >> 8) & 0xFF
handshake_pkg_length_low = handshake_pkg_length & 0xFF
handshake_header = bytes(
(preamble, handshake_pkg_length_high, handshake_pkg_length_low)
)
return handshake_header + handshake_pkt
def _make_encrypted_packet(
proto: NoiseConnection, msg_type: int, payload: bytes
) -> bytes:
msg_type = 42
msg_type_high = (msg_type >> 8) & 0xFF
msg_type_low = msg_type & 0xFF
msg_length = len(payload)
msg_length_high = (msg_length >> 8) & 0xFF
msg_length_low = msg_length & 0xFF
msg_header = bytes((msg_type_high, msg_type_low, msg_length_high, msg_length_low))
encrypted_payload = proto.encrypt(msg_header + payload)
return _make_encrypted_packet_from_encrypted_payload(encrypted_payload)
def _make_encrypted_packet_from_encrypted_payload(encrypted_payload: bytes) -> bytes:
preamble = 1
encrypted_pkg_length = len(encrypted_payload)
encrypted_pkg_length_high = (encrypted_pkg_length >> 8) & 0xFF
encrypted_pkg_length_low = encrypted_pkg_length & 0xFF
encrypted_header = bytes(
(preamble, encrypted_pkg_length_high, encrypted_pkg_length_low)
)
return encrypted_header + encrypted_payload
def _mock_responder_proto(psk_bytes: bytes) -> NoiseConnection:
proto = NoiseConnection.from_name(
b"Noise_NNpsk0_25519_ChaChaPoly_SHA256", backend=ESPHOME_NOISE_BACKEND
)
proto.set_as_responder()
proto.set_psks(psk_bytes)
proto.set_prologue(b"NoiseAPIInit\x00\x00")
proto.start_handshake()
return proto
def _make_mock_connection() -> tuple[APIConnection, list[tuple[int, bytes]]]:
"""Make a mock connection."""
packets: list[tuple[int, bytes]] = []
class MockConnection(APIConnection):
def __init__(self, *args: Any, **kwargs: Any) -> None:
"""Swallow args."""
super().__init__(
get_mock_connection_params(), AsyncMock(), True, None, *args, **kwargs
)
def process_packet(self, type_: int, data: bytes):
packets.append((type_, data))
connection = MockConnection()
return connection, packets
class MockAPINoiseFrameHelper(APINoiseFrameHelper):
def __init__(self, *args: Any, writer: Any | None = None, **kwargs: Any) -> None:
"""Swallow args."""
super().__init__(*args, **kwargs)
transport = MagicMock()
transport.write = writer or MagicMock()
self.__transport = transport
self.connection_made(transport)
def connection_made(self, transport: Any) -> None:
return super().connection_made(self.__transport)
def mock_write_frame(self, frame: bytes) -> None:
"""Write a packet to the socket.
The entire packet must be written in a single call to write.
"""
frame_len = len(frame)
header = bytes((0x01, (frame_len >> 8) & 0xFF, frame_len & 0xFF))
try:
self._writer(header + frame)
except (RuntimeError, ConnectionResetError, OSError) as err:
raise SocketClosedAPIError(
f"{self._log_name}: Error while writing data: {err}"
) from err
@pytest.mark.parametrize(
"in_bytes, pkt_data, pkt_type",
[
(PREAMBLE + varuint_to_bytes(0) + varuint_to_bytes(1), b"", 1),
(
PREAMBLE + varuint_to_bytes(192) + varuint_to_bytes(1) + (b"\x42" * 192),
(b"\x42" * 192),
1,
),
(
PREAMBLE + varuint_to_bytes(192) + varuint_to_bytes(100) + (b"\x42" * 192),
(b"\x42" * 192),
100,
),
(
PREAMBLE + varuint_to_bytes(4) + varuint_to_bytes(100) + (b"\x42" * 4),
(b"\x42" * 4),
100,
),
(
PREAMBLE
+ varuint_to_bytes(8192)
+ varuint_to_bytes(8192)
+ (b"\x42" * 8192),
(b"\x42" * 8192),
8192,
),
(
PREAMBLE + varuint_to_bytes(256) + varuint_to_bytes(256) + (b"\x42" * 256),
(b"\x42" * 256),
256,
),
(
PREAMBLE + varuint_to_bytes(1) + varuint_to_bytes(32768) + b"\x42",
b"\x42",
32768,
),
(
PREAMBLE
+ varuint_to_bytes(32768)
+ varuint_to_bytes(32768)
+ (b"\x42" * 32768),
(b"\x42" * 32768),
32768,
),
],
)
@pytest.mark.asyncio
async def test_plaintext_frame_helper(
in_bytes: bytes, pkt_data: bytes, pkt_type: int
) -> None:
for _ in range(3):
connection, packets = _make_mock_connection()
helper = APIPlaintextFrameHelper(
connection=connection, client_info="my client", log_name="test"
)
mock_data_received(helper, in_bytes)
pkt = packets.pop()
type_, data = pkt
assert type_ == pkt_type
assert data == pkt_data
# Make sure we correctly handle fragments
for i in range(len(in_bytes)):
mock_data_received(helper, in_bytes[i : i + 1])
pkt = packets.pop()
type_, data = pkt
assert type_ == pkt_type
assert data == pkt_data
helper.close()
@pytest.mark.parametrize(
"byte_type",
(bytes, bytearray, memoryview),
)
def test_plaintext_frame_helper_protractor_event_loop(byte_type: Any) -> None:
"""Test the plaintext frame helper with the protractor event loop.
With the protractor event loop, data_received is called with a bytearray
instead of bytes.
https://github.com/esphome/issues/issues/5117
"""
for _ in range(3):
connection, packets = _make_mock_connection()
helper = APIPlaintextFrameHelper(
connection=connection, client_info="my client", log_name="test"
)
in_bytes = byte_type(
PREAMBLE + varuint_to_bytes(4) + varuint_to_bytes(100) + (b"\x42" * 4)
)
mock_data_received(helper, in_bytes)
pkt = packets.pop()
type_, data = pkt
assert type_ == 100
assert data == b"\x42" * 4
# Make sure we correctly handle fragments
for i in range(len(in_bytes)):
mock_data_received(helper, in_bytes[i : i + 1])
pkt = packets.pop()
type_, data = pkt
assert type_ == 100
assert data == b"\x42" * 4
@pytest.mark.asyncio
@pytest.mark.parametrize(
"byte_type",
(bytes, bytearray, memoryview),
)
async def test_noise_protector_event_loop(byte_type: Any) -> None:
"""Test the noise frame helper with the protractor event loop.
With the protractor event loop, data_received is called with a bytearray
instead of bytes.
https://github.com/esphome/issues/issues/5117
"""
outgoing_packets = [
"010000", # hello packet
"010031001ed7f7bb0b74085418258ed5928931bc36ade7cf06937fcff089044d4ab142643f1b2c9935bb77696f23d930836737a4",
]
incoming_packets = [
"01000d01736572766963657465737400",
"0100160148616e647368616b65204d4143206661696c757265",
]
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk="QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc=",
expected_name="servicetest",
client_info="my client",
log_name="test",
)
for pkt in outgoing_packets:
helper.mock_write_frame(byte_type(bytes.fromhex(pkt)))
for pkt in incoming_packets:
mock_data_received(helper, byte_type(bytes.fromhex(pkt)))
with pytest.raises(InvalidEncryptionKeyAPIError):
await helper.ready_future
@pytest.mark.asyncio
async def test_noise_frame_helper_incorrect_key():
"""Test that the noise frame helper raises InvalidEncryptionKeyAPIError on bad key."""
outgoing_packets = [
"010000", # hello packet
"010031001ed7f7bb0b74085418258ed5928931bc36ade7cf06937fcff089044d4ab142643f1b2c9935bb77696f23d930836737a4",
]
incoming_packets = [
"01000d01736572766963657465737400",
"0100160148616e647368616b65204d4143206661696c757265",
]
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk="QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc=",
expected_name="servicetest",
client_info="my client",
log_name="test",
)
for pkt in outgoing_packets:
helper.mock_write_frame(bytes.fromhex(pkt))
for pkt in incoming_packets:
mock_data_received(helper, bytes.fromhex(pkt))
with pytest.raises(InvalidEncryptionKeyAPIError):
await helper.ready_future
@pytest.mark.asyncio
async def test_noise_frame_helper_incorrect_key_fragments():
"""Test that the noise frame helper raises InvalidEncryptionKeyAPIError on bad key with fragmented packets."""
outgoing_packets = [
"010000", # hello packet
"010031001ed7f7bb0b74085418258ed5928931bc36ade7cf06937fcff089044d4ab142643f1b2c9935bb77696f23d930836737a4",
]
incoming_packets = [
"01000d01736572766963657465737400",
"0100160148616e647368616b65204d4143206661696c757265",
]
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk="QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc=",
expected_name="servicetest",
client_info="my client",
log_name="test",
)
for pkt in outgoing_packets:
helper.mock_write_frame(bytes.fromhex(pkt))
for pkt in incoming_packets:
in_pkt = bytes.fromhex(pkt)
for i in range(len(in_pkt)):
mock_data_received(helper, in_pkt[i : i + 1])
with pytest.raises(InvalidEncryptionKeyAPIError):
await helper.ready_future
@pytest.mark.asyncio
async def test_noise_incorrect_name():
"""Test we raise on bad name."""
outgoing_packets = [
"010000", # hello packet
"010031001ed7f7bb0b74085418258ed5928931bc36ade7cf06937fcff089044d4ab142643f1b2c9935bb77696f23d930836737a4",
]
incoming_packets = [
"01000d01736572766963657465737400",
"0100160148616e647368616b65204d4143206661696c757265",
]
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk="QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc=",
expected_name="wrongname",
client_info="my client",
log_name="test",
)
for pkt in outgoing_packets:
helper.mock_write_frame(bytes.fromhex(pkt))
for pkt in incoming_packets:
mock_data_received(helper, bytes.fromhex(pkt))
with pytest.raises(BadNameAPIError):
await helper.ready_future
VARUINT_TESTCASES = [
(0, b"\x00"),
(42, b"\x2a"),
(127, b"\x7f"),
(128, b"\x80\x01"),
(300, b"\xac\x02"),
(65536, b"\x80\x80\x04"),
]
@pytest.mark.parametrize("val, encoded", VARUINT_TESTCASES)
def test_varuint_to_bytes(val, encoded):
assert varuint_to_bytes(val) == encoded
assert cached_varuint_to_bytes(val) == encoded
@pytest.mark.asyncio
async def test_noise_frame_helper_handshake_failure():
"""Test the noise frame helper handshake failure."""
noise_psk = "QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc="
psk_bytes = base64.b64decode(noise_psk)
writes = []
def _writer(data: bytes):
writes.append(data)
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk=noise_psk,
expected_name="servicetest",
client_info="my client",
log_name="test",
writer=_writer,
)
proto = _mock_responder_proto(psk_bytes)
await asyncio.sleep(0) # let the task run to read the hello packet
assert len(writes) == 1
handshake_pkt = writes.pop()
encrypted_payload = _extract_encrypted_payload_from_handshake(handshake_pkt)
decrypted = proto.read_message(encrypted_payload)
assert decrypted == b""
hello_pkt_with_header = _make_noise_hello_pkt(b"\x01servicetest\0")
mock_data_received(helper, hello_pkt_with_header)
error_pkt = b"\x01forced to fail"
preamble = 1
error_pkg_length = len(error_pkt)
error_pkg_length_high = (error_pkg_length >> 8) & 0xFF
error_pkg_length_low = error_pkg_length & 0xFF
error_header = bytes((preamble, error_pkg_length_high, error_pkg_length_low))
error_pkt_with_header = error_header + error_pkt
mock_data_received(helper, error_pkt_with_header)
with pytest.raises(HandshakeAPIError, match="forced to fail"):
await helper.ready_future
@pytest.mark.asyncio
async def test_noise_frame_helper_handshake_success_with_single_packet():
"""Test the noise frame helper handshake success with a single packet."""
noise_psk = "QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc="
psk_bytes = base64.b64decode(noise_psk)
writes = []
def _writer(data: bytes):
writes.append(data)
connection, packets = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk=noise_psk,
expected_name="servicetest",
client_info="my client",
log_name="test",
writer=_writer,
)
proto = _mock_responder_proto(psk_bytes)
await asyncio.sleep(0) # let the task run to read the hello packet
assert len(writes) == 1
handshake_pkt = writes.pop()
encrypted_payload = _extract_encrypted_payload_from_handshake(handshake_pkt)
decrypted = proto.read_message(encrypted_payload)
assert decrypted == b""
hello_pkt_with_header = _make_noise_hello_pkt(b"\x01servicetest\0")
mock_data_received(helper, hello_pkt_with_header)
handshake_with_header = _make_noise_handshake_pkt(proto)
mock_data_received(helper, handshake_with_header)
assert not writes
await helper.ready_future
helper.write_packets([(1, b"to device")], True)
encrypted_packet = writes.pop()
header = encrypted_packet[0:1]
assert header == b"\x01"
pkg_length_high = encrypted_packet[1]
pkg_length_low = encrypted_packet[2]
pkg_length = (pkg_length_high << 8) + pkg_length_low
assert len(encrypted_packet) == 3 + pkg_length
encrypted_packet = _make_encrypted_packet(proto, 42, b"from device")
mock_data_received(helper, encrypted_packet)
assert packets == [(42, b"from device")]
helper.close()
mock_data_received(helper, encrypted_packet)
@pytest.mark.asyncio
async def test_noise_frame_helper_bad_encryption(
caplog: pytest.LogCaptureFixture,
) -> None:
"""Test the noise frame helper closes connection on encryption error."""
noise_psk = "QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc="
psk_bytes = base64.b64decode(noise_psk)
writes = []
def _writer(data: bytes):
writes.append(data)
connection, packets = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk=noise_psk,
expected_name="servicetest",
client_info="my client",
log_name="test",
writer=_writer,
)
proto = _mock_responder_proto(psk_bytes)
await asyncio.sleep(0) # let the task run to read the hello packet
assert len(writes) == 1
handshake_pkt = writes.pop()
encrypted_payload = _extract_encrypted_payload_from_handshake(handshake_pkt)
decrypted = proto.read_message(encrypted_payload)
assert decrypted == b""
hello_pkt_with_header = _make_noise_hello_pkt(b"\x01servicetest\0")
mock_data_received(helper, hello_pkt_with_header)
handshake_with_header = _make_noise_handshake_pkt(proto)
mock_data_received(helper, handshake_with_header)
assert not writes
await helper.ready_future
helper.write_packets([(1, b"to device")], True)
encrypted_packet = writes.pop()
header = encrypted_packet[0:1]
assert header == b"\x01"
pkg_length_high = encrypted_packet[1]
pkg_length_low = encrypted_packet[2]
pkg_length = (pkg_length_high << 8) + pkg_length_low
assert len(encrypted_packet) == 3 + pkg_length
encrypted_packet = _make_encrypted_packet_from_encrypted_payload(b"corrupt")
mock_data_received(helper, encrypted_packet)
await asyncio.sleep(0)
assert packets == []
assert connection.is_connected is False
assert "Invalid encryption key" in caplog.text
helper.close()
@pytest.mark.asyncio
async def test_init_plaintext_with_wrong_preamble(
conn: APIConnection, aiohappyeyeballs_start_connection
):
loop = asyncio.get_event_loop()
protocol = get_mock_protocol(conn)
with patch.object(loop, "create_connection") as create_connection:
create_connection.return_value = (MagicMock(), protocol)
conn._socket = MagicMock()
await conn._connect_init_frame_helper()
loop.call_soon(conn._frame_helper.ready_future.set_result, None)
conn.connection_state = ConnectionState.CONNECTED
task = asyncio.create_task(conn._connect_hello_login(login=True))
await asyncio.sleep(0)
# The preamble should be \x00 but we send \x09
mock_data_received(protocol, b"\x09\x00\x00")
with pytest.raises(ProtocolAPIError):
await task
@pytest.mark.asyncio
async def test_init_noise_with_wrong_byte_marker(noise_conn: APIConnection) -> None:
loop = asyncio.get_event_loop()
transport = MagicMock()
protocol: APINoiseFrameHelper | None = None
async def _create_connection(create, sock, *args, **kwargs):
nonlocal protocol
protocol = create()
protocol.connection_made(transport)
return transport, protocol
with patch.object(loop, "create_connection", side_effect=_create_connection):
task = asyncio.create_task(noise_conn._connect_init_frame_helper())
await asyncio.sleep(0)
assert protocol is not None
assert isinstance(noise_conn._frame_helper, APINoiseFrameHelper)
mock_data_received(protocol, b"\x00\x00\x00")
with pytest.raises(ProtocolAPIError, match="Marker byte invalid"):
await task
@pytest.mark.asyncio
async def test_noise_frame_helper_empty_hello():
"""Test empty hello with noise."""
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk="QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc=",
expected_name="servicetest",
client_info="my client",
log_name="test",
)
hello_pkt_with_header = _make_noise_hello_pkt(b"")
mock_data_received(helper, hello_pkt_with_header)
with pytest.raises(HandshakeAPIError, match="ServerHello is empty"):
await helper.ready_future
@pytest.mark.asyncio
async def test_noise_frame_helper_wrong_protocol():
"""Test noise with the wrong protocol."""
connection, _ = _make_mock_connection()
helper = MockAPINoiseFrameHelper(
connection=connection,
noise_psk="QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc=",
expected_name="servicetest",
client_info="my client",
log_name="test",
)
# wrong protocol 5 instead of 1
hello_pkt_with_header = _make_noise_hello_pkt(b"\x05servicetest\0")
mock_data_received(helper, hello_pkt_with_header)
with pytest.raises(
HandshakeAPIError, match="Unknown protocol selected by client 5"
):
await helper.ready_future
@pytest.mark.asyncio
async def test_init_noise_attempted_when_esp_uses_plaintext(
noise_conn: APIConnection,
) -> None:
loop = asyncio.get_event_loop()
transport = MagicMock()
protocol: APINoiseFrameHelper | None = None
async def _create_connection(create, sock, *args, **kwargs):
nonlocal protocol
protocol = create()
protocol.connection_made(transport)
return transport, protocol
with patch.object(loop, "create_connection", side_effect=_create_connection):
task = asyncio.create_task(noise_conn._connect_init_frame_helper())
await asyncio.sleep(0)
assert isinstance(noise_conn._frame_helper, APINoiseFrameHelper)
protocol = noise_conn._frame_helper
protocol.connection_lost(ConnectionResetError())
with pytest.raises(
APIConnectionError, match="The connection dropped immediately"
):
await task
@pytest.mark.asyncio
async def test_eof_received_closes_connection(
plaintext_connect_task_with_login: tuple[
APIConnection, asyncio.Transport, APIPlaintextFrameHelper, asyncio.Task
],
) -> None:
conn, transport, protocol, connect_task = plaintext_connect_task_with_login
assert protocol.eof_received() is False
assert conn.is_connected is False
with pytest.raises(SocketClosedAPIError, match="EOF received"):
await connect_task
@pytest.mark.parametrize(
("exception_map"),
[
(OSError("original message"), ReadFailedAPIError),
(APIConnectionError("original message"), APIConnectionError),
(SocketClosedAPIError("original message"), SocketClosedAPIError),
],
)
@pytest.mark.asyncio
async def test_connection_lost_closes_connection_and_logs(
caplog: pytest.LogCaptureFixture,
plaintext_connect_task_with_login: tuple[
APIConnection, asyncio.Transport, APIPlaintextFrameHelper, asyncio.Task
],
exception_map: tuple[Exception, Exception],
) -> None:
exception, raised_exception = exception_map
conn, transport, protocol, connect_task = plaintext_connect_task_with_login
protocol.connection_lost(exception)
assert conn.is_connected is False
assert "original message" in caplog.text
with pytest.raises(raised_exception, match="original message"):
await connect_task
@pytest.mark.asyncio
@pytest.mark.parametrize(
("bad_psk", "error"),
(
("dGhpc2lzbm90MzJieXRlcw==", "expected 32-bytes of base64 data"),
("QRTIErOb/fcE9Ukd/5qA3RGYMn0Y+p06U58SCtOXvPc", "Malformed PSK"),
),
)
async def test_noise_bad_psks(bad_psk: str, error: str) -> None:
"""Test we raise on bad psks."""
connection, _ = _make_mock_connection()
with pytest.raises(InvalidEncryptionKeyAPIError, match=error):
MockAPINoiseFrameHelper(
connection=connection,
noise_psk=bad_psk,
expected_name="wrongname",
client_info="my client",
log_name="test",
)
|