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 "hidl_ClearKeyDrmFactory"
19#include <utils/Log.h>
20
21#include <utils/Errors.h>
22
23#include "DrmFactory.h"
24
25#include "DrmPlugin.h"
26#include "ClearKeyUUID.h"
27#include "MimeType.h"
28#include "SessionLibrary.h"
29
30namespace android {
31namespace hardware {
32namespace drm {
33namespace V1_1 {
34namespace clearkey {
35
36using ::android::hardware::drm::V1_0::Status;
37using ::android::hardware::Void;
38
39Return<bool> DrmFactory::isCryptoSchemeSupported(
40        const hidl_array<uint8_t, 16>& uuid) {
41    return clearkeydrm::isClearKeyUUID(uuid.data());
42}
43
44Return<bool> DrmFactory::isContentTypeSupported(const hidl_string &mimeType) {
45    // This should match the mimeTypes handed by InitDataParser.
46    return mimeType == kIsoBmffVideoMimeType ||
47            mimeType == kIsoBmffAudioMimeType ||
48            mimeType == kCencInitDataFormat ||
49            mimeType == kWebmVideoMimeType ||
50            mimeType == kWebmAudioMimeType ||
51            mimeType == kWebmInitDataFormat;
52}
53
54Return<void> DrmFactory::createPlugin(
55    const hidl_array<uint8_t, 16>& uuid,
56    const hidl_string& appPackageName,
57    createPlugin_cb _hidl_cb) {
58    UNUSED(appPackageName);
59
60    DrmPlugin *plugin = NULL;
61    if (!isCryptoSchemeSupported(uuid.data())) {
62        ALOGE("Clear key Drm HAL: failed to create drm plugin, " \
63                "invalid crypto scheme");
64        _hidl_cb(Status::BAD_VALUE, plugin);
65        return Void();
66    }
67
68    plugin = new DrmPlugin(SessionLibrary::get());
69    _hidl_cb(Status::OK, plugin);
70    return Void();
71}
72
73} // namespace clearkey
74} // namespace V1_1
75} // namespace drm
76} // namespace hardware
77} // namespace android
78