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 <binder/ProcessState.h>
23 #include <utils/Errors.h>
24 #include <utils/Log.h>
25 #include <camera/CameraMetadata.h>
26 #include <camera/Camera.h>
27 #include <camera/CameraUtils.h>
28 #include <android/hardware/ICameraService.h>
29
30 using namespace android;
31 using namespace android::hardware;
32
33 class CameraCharacteristicsPermission : public ::testing::Test {
34 protected:
CameraCharacteristicsPermission()35 CameraCharacteristicsPermission() : numCameras(0){}
36 //Gtest interface
37 void SetUp() override;
38 void TearDown() override;
39
40 int32_t numCameras;
41 sp<ICameraService> mCameraService;
42 };
43
SetUp()44 void CameraCharacteristicsPermission::SetUp() {
45 ::android::binder::Status rc;
46 ProcessState::self()->startThreadPool();
47 sp<IServiceManager> sm = defaultServiceManager();
48 sp<IBinder> binder = sm->getService(String16("media.camera"));
49 mCameraService = interface_cast<ICameraService>(binder);
50 rc = mCameraService->getNumberOfCameras(
51 hardware::ICameraService::CAMERA_TYPE_ALL, kDefaultDeviceId, /*devicePolicy*/0,
52 &numCameras);
53 EXPECT_TRUE(rc.isOk());
54 }
55
TearDown()56 void CameraCharacteristicsPermission::TearDown() {
57 mCameraService.clear();
58 }
59
60 // Revoking and acquiring permissions automatically might not be possible.
61 // Test the functionality for removal of camera characteristics needing
62 // a camera permission.
TEST_F(CameraCharacteristicsPermission,TestCameraPermission)63 TEST_F(CameraCharacteristicsPermission, TestCameraPermission) {
64 for (int32_t cameraId = 0; cameraId < numCameras; cameraId++) {
65 std::string cameraIdStr = std::to_string(cameraId);
66 bool isSupported = false;
67 auto rc = mCameraService->supportsCameraApi(cameraIdStr,
68 hardware::ICameraService::API_VERSION_2, &isSupported);
69 EXPECT_TRUE(rc.isOk());
70 if (!isSupported) {
71 continue;
72 }
73
74 CameraMetadata metadata;
75 std::vector<int32_t> tagsNeedingPermission;
76 rc = mCameraService->getCameraCharacteristics(cameraIdStr,
77 /*targetSdkVersion*/__ANDROID_API_FUTURE__,
78 /*overrideToPortrait*/false, kDefaultDeviceId, /*devicePolicy*/0, &metadata);
79 ASSERT_TRUE(rc.isOk());
80 EXPECT_FALSE(metadata.isEmpty());
81 EXPECT_EQ(metadata.removePermissionEntries(CAMERA_METADATA_INVALID_VENDOR_ID,
82 &tagsNeedingPermission), NO_ERROR);
83 camera_metadata_entry_t availableCharacteristics =
84 metadata.find(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS);
85 EXPECT_TRUE(0 < availableCharacteristics.count);
86
87 std::vector<uint32_t> availableKeys;
88 availableKeys.reserve(availableCharacteristics.count);
89 availableKeys.insert(availableKeys.begin(), availableCharacteristics.data.i32,
90 availableCharacteristics.data.i32 + availableCharacteristics.count);
91
92 for (const auto &key : tagsNeedingPermission) {
93 ASSERT_FALSE(metadata.exists(key));
94 auto it = std::find(availableKeys.begin(), availableKeys.end(), key);
95 ASSERT_TRUE(it == availableKeys.end());
96 }
97 }
98 }
99