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218 lines
8.5 KiB
218 lines
8.5 KiB
from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from trezorio import WireInterface
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from trezor.wire import Handler, Msg
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workflow_handlers: dict[int, Handler] = {}
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def register(wire_type: int, handler: Handler[Msg]) -> None:
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"""Register `handler` to get scheduled after `wire_type` message is received."""
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workflow_handlers[wire_type] = handler
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def _find_message_handler_module(msg_type: int) -> str:
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"""Statically find the appropriate workflow handler.
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For now, new messages must be registered by hand in the if-elif manner below.
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The reason for this is memory fragmentation optimization:
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- using a dict would mean that the whole thing stays in RAM, whereas an if-elif
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sequence is run from flash
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- collecting everything as strings instead of importing directly means that we don't
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need to load any of the modules into memory until we actually need them
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"""
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from trezor import utils
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from trezor.enums import MessageType
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# debug
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if __debug__ and msg_type == MessageType.LoadDevice:
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return "apps.debug.load_device"
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# management
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if msg_type == MessageType.ResetDevice:
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return "apps.management.reset_device"
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if msg_type == MessageType.BackupDevice:
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return "apps.management.backup_device"
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if msg_type == MessageType.WipeDevice:
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return "apps.management.wipe_device"
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if msg_type == MessageType.RecoveryDevice:
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return "apps.management.recovery_device"
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if msg_type == MessageType.ApplySettings:
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return "apps.management.apply_settings"
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if msg_type == MessageType.ApplyFlags:
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return "apps.management.apply_flags"
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if msg_type == MessageType.ChangePin:
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return "apps.management.change_pin"
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if msg_type == MessageType.ChangeWipeCode:
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return "apps.management.change_wipe_code"
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if msg_type == MessageType.GetNonce:
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return "apps.management.get_nonce"
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if msg_type == MessageType.RebootToBootloader:
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return "apps.management.reboot_to_bootloader"
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if utils.INTERNAL_MODEL in ("T2B1",) and msg_type == MessageType.ShowDeviceTutorial:
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return "apps.management.show_tutorial"
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if utils.USE_SD_CARD and msg_type == MessageType.SdProtect:
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return "apps.management.sd_protect"
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if utils.USE_OPTIGA and msg_type == MessageType.AuthenticateDevice:
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return "apps.management.authenticate_device"
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# bitcoin
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if msg_type == MessageType.AuthorizeCoinJoin:
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return "apps.bitcoin.authorize_coinjoin"
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if msg_type == MessageType.GetPublicKey:
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return "apps.bitcoin.get_public_key"
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if msg_type == MessageType.GetAddress:
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return "apps.bitcoin.get_address"
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if msg_type == MessageType.GetOwnershipId:
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return "apps.bitcoin.get_ownership_id"
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if msg_type == MessageType.GetOwnershipProof:
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return "apps.bitcoin.get_ownership_proof"
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if msg_type == MessageType.SignTx:
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return "apps.bitcoin.sign_tx"
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if msg_type == MessageType.SignMessage:
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return "apps.bitcoin.sign_message"
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if msg_type == MessageType.VerifyMessage:
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return "apps.bitcoin.verify_message"
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# misc
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if msg_type == MessageType.GetEntropy:
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return "apps.misc.get_entropy"
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if msg_type == MessageType.SignIdentity:
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return "apps.misc.sign_identity"
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if msg_type == MessageType.GetECDHSessionKey:
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return "apps.misc.get_ecdh_session_key"
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if msg_type == MessageType.CipherKeyValue:
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return "apps.misc.cipher_key_value"
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if msg_type == MessageType.GetFirmwareHash:
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return "apps.misc.get_firmware_hash"
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if msg_type == MessageType.CosiCommit:
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return "apps.misc.cosi_commit"
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if msg_type == MessageType.HelloWorldRequest:
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return "apps.misc.hello_world"
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if not utils.BITCOIN_ONLY:
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if msg_type == MessageType.SetU2FCounter:
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return "apps.management.set_u2f_counter"
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if msg_type == MessageType.GetNextU2FCounter:
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return "apps.management.get_next_u2f_counter"
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# webauthn
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if msg_type == MessageType.WebAuthnListResidentCredentials:
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return "apps.webauthn.list_resident_credentials"
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if msg_type == MessageType.WebAuthnAddResidentCredential:
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return "apps.webauthn.add_resident_credential"
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if msg_type == MessageType.WebAuthnRemoveResidentCredential:
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return "apps.webauthn.remove_resident_credential"
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# ethereum
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if msg_type == MessageType.EthereumGetAddress:
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return "apps.ethereum.get_address"
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if msg_type == MessageType.EthereumGetPublicKey:
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return "apps.ethereum.get_public_key"
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if msg_type == MessageType.EthereumSignTx:
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return "apps.ethereum.sign_tx"
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if msg_type == MessageType.EthereumSignTxEIP1559:
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return "apps.ethereum.sign_tx_eip1559"
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if msg_type == MessageType.EthereumSignMessage:
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return "apps.ethereum.sign_message"
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if msg_type == MessageType.EthereumVerifyMessage:
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return "apps.ethereum.verify_message"
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if msg_type == MessageType.EthereumSignTypedData:
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return "apps.ethereum.sign_typed_data"
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# monero
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if msg_type == MessageType.MoneroGetAddress:
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return "apps.monero.get_address"
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if msg_type == MessageType.MoneroGetWatchKey:
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return "apps.monero.get_watch_only"
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if msg_type == MessageType.MoneroTransactionInitRequest:
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return "apps.monero.sign_tx"
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if msg_type == MessageType.MoneroKeyImageExportInitRequest:
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return "apps.monero.key_image_sync"
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if msg_type == MessageType.MoneroGetTxKeyRequest:
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return "apps.monero.get_tx_keys"
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if msg_type == MessageType.MoneroLiveRefreshStartRequest:
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return "apps.monero.live_refresh"
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if __debug__ and msg_type == MessageType.DebugMoneroDiagRequest:
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return "apps.monero.diag"
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# nem
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if msg_type == MessageType.NEMGetAddress:
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return "apps.nem.get_address"
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if msg_type == MessageType.NEMSignTx:
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return "apps.nem.sign_tx"
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# stellar
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if msg_type == MessageType.StellarGetAddress:
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return "apps.stellar.get_address"
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if msg_type == MessageType.StellarSignTx:
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return "apps.stellar.sign_tx"
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# ripple
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if msg_type == MessageType.RippleGetAddress:
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return "apps.ripple.get_address"
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if msg_type == MessageType.RippleSignTx:
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return "apps.ripple.sign_tx"
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# cardano
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if msg_type == MessageType.CardanoGetAddress:
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return "apps.cardano.get_address"
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if msg_type == MessageType.CardanoGetPublicKey:
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return "apps.cardano.get_public_key"
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if msg_type == MessageType.CardanoSignTxInit:
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return "apps.cardano.sign_tx"
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if msg_type == MessageType.CardanoGetNativeScriptHash:
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return "apps.cardano.get_native_script_hash"
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# tezos
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if msg_type == MessageType.TezosGetAddress:
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return "apps.tezos.get_address"
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if msg_type == MessageType.TezosSignTx:
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return "apps.tezos.sign_tx"
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if msg_type == MessageType.TezosGetPublicKey:
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return "apps.tezos.get_public_key"
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# eos
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if msg_type == MessageType.EosGetPublicKey:
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return "apps.eos.get_public_key"
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if msg_type == MessageType.EosSignTx:
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return "apps.eos.sign_tx"
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# binance
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if msg_type == MessageType.BinanceGetAddress:
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return "apps.binance.get_address"
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if msg_type == MessageType.BinanceGetPublicKey:
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return "apps.binance.get_public_key"
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if msg_type == MessageType.BinanceSignTx:
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return "apps.binance.sign_tx"
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# solana
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if msg_type == MessageType.SolanaGetPublicKey:
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return "apps.solana.get_public_key"
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if msg_type == MessageType.SolanaGetAddress:
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return "apps.solana.get_address"
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if msg_type == MessageType.SolanaSignTx:
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return "apps.solana.sign_tx"
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raise ValueError
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def find_registered_handler(iface: WireInterface, msg_type: int) -> Handler | None:
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if msg_type in workflow_handlers:
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# Message has a handler available, return it directly.
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return workflow_handlers[msg_type]
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try:
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modname = _find_message_handler_module(msg_type)
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handler_name = modname[modname.rfind(".") + 1 :]
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module = __import__(modname, None, None, (handler_name,), 0)
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return getattr(module, handler_name)
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except ValueError:
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return None
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