1 /*
2 **
3 ** Copyright 2017, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 **     http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17 
18 #include "ConfirmationUI.h"
19 
20 #include "PlatformSpecifics.h"
21 
22 #include <android/hardware/confirmationui/support/cbor.h>
23 #include <android/hardware/confirmationui/support/confirmationui_utils.h>
24 
25 #include <android/hardware/confirmationui/1.0/generic/GenericOperation.h>
26 
27 #include <time.h>
28 
29 namespace android {
30 namespace hardware {
31 namespace confirmationui {
32 namespace V1_0 {
33 namespace implementation {
34 
35 using ::android::hardware::confirmationui::V1_0::generic::Operation;
36 using ::android::hardware::keymaster::V4_0::HardwareAuthToken;
37 
38 uint8_t hmacKey[32];
39 
40 // Methods from ::android::hardware::confirmationui::V1_0::IConfirmationUI follow.
41 Return<ResponseCode> ConfirmationUI::promptUserConfirmation(
42     const sp<IConfirmationResultCallback>& resultCB, const hidl_string& promptText,
43     const hidl_vec<uint8_t>& extraData, const hidl_string& locale,
44     const hidl_vec<UIOption>& uiOptions) {
45     auto& operation = MyOperation::get();
46     auto result = operation.init(resultCB, promptText, extraData, locale, uiOptions);
47     if (result == ResponseCode::OK) {
48         // This is where implementation start the UI and then call setPending on success.
49         operation.setPending();
50     }
51     return result;
52 }
53 
54 Return<ResponseCode> ConfirmationUI::deliverSecureInputEvent(
55     const HardwareAuthToken& secureInputToken) {
56     auto& operation = MyOperation::get();
57     return operation.deliverSecureInputEvent(secureInputToken);
58 }
59 
60 Return<void> ConfirmationUI::abort() {
61     auto& operation = MyOperation::get();
62     operation.abort();
63     operation.finalize(hmacKey);
64     return Void();
65 }
66 
67 }  // namespace implementation
68 }  // namespace V1_0
69 }  // namespace confirmationui
70 }  // namespace hardware
71 }  // namespace android
72