1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_NDEBUG 0
18 #define LOG_TAG "CameraCharacteristicsPermission"
19
20 #include <gtest/gtest.h>
21
22 #include <android/content/AttributionSourceState.h>
23 #include <binder/ProcessState.h>
24 #include <utils/Errors.h>
25 #include <utils/Log.h>
26 #include <camera/CameraMetadata.h>
27 #include <camera/Camera.h>
28 #include <camera/CameraUtils.h>
29 #include <android/hardware/ICameraService.h>
30
31 using namespace android;
32 using namespace android::hardware;
33
34 class CameraCharacteristicsPermission : public ::testing::Test {
35 protected:
CameraCharacteristicsPermission()36 CameraCharacteristicsPermission() : numCameras(0){}
37 //Gtest interface
38 void SetUp() override;
39 void TearDown() override;
40
41 int32_t numCameras;
42 sp<ICameraService> mCameraService;
43 };
44
SetUp()45 void CameraCharacteristicsPermission::SetUp() {
46 ::android::binder::Status rc;
47 ProcessState::self()->startThreadPool();
48 sp<IServiceManager> sm = defaultServiceManager();
49 sp<IBinder> binder = sm->getService(String16("media.camera"));
50 mCameraService = interface_cast<ICameraService>(binder);
51 AttributionSourceState clientAttribution;
52 clientAttribution.deviceId = kDefaultDeviceId;
53 rc = mCameraService->getNumberOfCameras(
54 hardware::ICameraService::CAMERA_TYPE_ALL, clientAttribution, /*devicePolicy*/0,
55 &numCameras);
56 EXPECT_TRUE(rc.isOk());
57 }
58
TearDown()59 void CameraCharacteristicsPermission::TearDown() {
60 mCameraService.clear();
61 }
62
63 // Revoking and acquiring permissions automatically might not be possible.
64 // Test the functionality for removal of camera characteristics needing
65 // a camera permission.
TEST_F(CameraCharacteristicsPermission,TestCameraPermission)66 TEST_F(CameraCharacteristicsPermission, TestCameraPermission) {
67 for (int32_t cameraId = 0; cameraId < numCameras; cameraId++) {
68 std::string cameraIdStr = std::to_string(cameraId);
69 bool isSupported = false;
70 auto rc = mCameraService->supportsCameraApi(cameraIdStr,
71 hardware::ICameraService::API_VERSION_2, &isSupported);
72 EXPECT_TRUE(rc.isOk());
73 if (!isSupported) {
74 continue;
75 }
76
77 CameraMetadata metadata;
78 std::vector<int32_t> tagsNeedingPermission;
79 AttributionSourceState clientAttribution;
80 clientAttribution.deviceId = kDefaultDeviceId;
81 rc = mCameraService->getCameraCharacteristics(cameraIdStr,
82 /*targetSdkVersion*/__ANDROID_API_FUTURE__,
83 /*overrideToPortrait*/false, clientAttribution, /*devicePolicy*/0, &metadata);
84 ASSERT_TRUE(rc.isOk());
85 EXPECT_FALSE(metadata.isEmpty());
86 EXPECT_EQ(metadata.removePermissionEntries(CAMERA_METADATA_INVALID_VENDOR_ID,
87 &tagsNeedingPermission), NO_ERROR);
88 camera_metadata_entry_t availableCharacteristics =
89 metadata.find(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS);
90 EXPECT_TRUE(0 < availableCharacteristics.count);
91
92 std::vector<uint32_t> availableKeys;
93 availableKeys.reserve(availableCharacteristics.count);
94 availableKeys.insert(availableKeys.begin(), availableCharacteristics.data.i32,
95 availableCharacteristics.data.i32 + availableCharacteristics.count);
96
97 for (const auto &key : tagsNeedingPermission) {
98 ASSERT_FALSE(metadata.exists(key));
99 auto it = std::find(availableKeys.begin(), availableKeys.end(), key);
100 ASSERT_TRUE(it == availableKeys.end());
101 }
102 }
103 }
104