get_assertion_task.cc | Explore in Territory

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "device/fido/get_assertion_task.h"

#include <algorithm>
#include <utility>

#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "device/base/features.h"
#include "device/fido/authenticator_get_assertion_response.h"
#include "device/fido/ctap2_device_operation.h"
#include "device/fido/make_credential_task.h"
#include "device/fido/pin.h"
#include "device/fido/u2f_sign_operation.h"

namespace device {

namespace {

bool MayFallbackToU2fWithAppIdExtension(
    const FidoDevice& device,
    const CtapGetAssertionRequest& request) { … }

// SetResponseCredential sets the credential information in |response|. If the
// allow list sent to the authenticator contained only a single entry then the
// authenticator may omit the chosen credential in the response and this
// function will fill it in. Otherwise, the credential chosen by the
// authenticator must be one of the ones requested in the allow list, unless the
// allow list was empty.
bool SetResponseCredential(
    AuthenticatorGetAssertionResponse* response,
    const std::vector<PublicKeyCredentialDescriptor>& allow_list) { … }

// HasCredentialSpecificPRFInputs returns true if |options| specifies any PRF
// inputs that are specific to a credential ID.
bool HasCredentialSpecificPRFInputs(const CtapGetAssertionOptions& options) { … }

// GetDefaultPRFInput returns the default PRF input from |options|, if any.
const PRFInput* GetDefaultPRFInput(const CtapGetAssertionOptions& options) { … }

// GetPRFInputForCredential returns the PRF input specific to the given
// credential ID from |options|, or the default PRF input if there's nothing
// specific for |id|, or |nullptr| if there's not a default value.
const PRFInput* GetPRFInputForCredential(const CtapGetAssertionOptions& options,
                                         const std::vector<uint8_t>& id) { … }

}  // namespace

GetAssertionTask::GetAssertionTask(FidoDevice* device,
                                   CtapGetAssertionRequest request,
                                   CtapGetAssertionOptions options,
                                   GetAssertionTaskCallback callback)
    : … { … }

GetAssertionTask::~GetAssertionTask() = default;

void GetAssertionTask::Cancel() { … }

// static
bool GetAssertionTask::StringFixupPredicate(
    const std::vector<const cbor::Value*>& path) { … }

void GetAssertionTask::StartTask() { … }

CtapGetAssertionRequest GetAssertionTask::NextSilentRequest() { … }

void GetAssertionTask::GetAssertion() { … }

void GetAssertionTask::U2fSign() { … }

void GetAssertionTask::HandleResponse(
    std::vector<PublicKeyCredentialDescriptor> allow_list,
    CtapDeviceResponseCode response_code,
    std::optional<AuthenticatorGetAssertionResponse> response_data) { … }

void GetAssertionTask::HandleNextResponse(
    uint8_t num_responses,
    CtapDeviceResponseCode response_code,
    std::optional<AuthenticatorGetAssertionResponse> response_data) { … }

void GetAssertionTask::HandleResponseToSilentRequest(
    CtapDeviceResponseCode response_code,
    std::optional<AuthenticatorGetAssertionResponse> response_data) { … }

void GetAssertionTask::HandleDummyMakeCredentialComplete(
    CtapDeviceResponseCode response_code,
    std::optional<AuthenticatorMakeCredentialResponse> response_data) { … }

void GetAssertionTask::MaybeSetPRFParameters(CtapGetAssertionRequest* request,
                                             const PRFInput* maybe_inputs) { … }

void GetAssertionTask::MaybeRevertU2fFallbackAndInvokeCallback(
    CtapDeviceResponseCode status,
    std::optional<AuthenticatorGetAssertionResponse> response) { … }

void GetAssertionTask::LogAndFail(const char* error) { … }

}  // namespace device
chromium/device/fido/get_assertion_task.cc
