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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "permission_utils.h"
#include "core_jni_helpers.h"
static struct {
jfieldID fieldUid; // Identity.uid
jfieldID fieldPid; // Identity.pid
jfieldID fieldPackageName; // Identity.packageName
jfieldID fieldAttributionTag; // Identity.attributionTag
} javaIdentityFields;
static const JNINativeMethod method_table[] = {
// no static methods, currently
};
int register_android_media_permission_Identity(JNIEnv* env) {
jclass identityClass = android::FindClassOrDie(env, "android/media/permission/Identity");
javaIdentityFields.fieldUid = android::GetFieldIDOrDie(env, identityClass, "uid", "I");
javaIdentityFields.fieldPid = android::GetFieldIDOrDie(env, identityClass, "pid", "I");
javaIdentityFields.fieldPackageName =
android::GetFieldIDOrDie(env, identityClass, "packageName", "Ljava/lang/String;");
javaIdentityFields.fieldAttributionTag =
android::GetFieldIDOrDie(env, identityClass, "attributionTag", "Ljava/lang/String;");
return android::RegisterMethodsOrDie(env, "android/media/permission/Identity", method_table,
NELEM(method_table));
}
namespace android::media::permission {
Identity convertIdentity(JNIEnv* env, const jobject& jIdentity) {
Identity identity;
identity.uid = env->GetIntField(jIdentity, javaIdentityFields.fieldUid);
identity.pid = env->GetIntField(jIdentity, javaIdentityFields.fieldPid);
jstring packageNameStr = static_cast<jstring>(
env->GetObjectField(jIdentity, javaIdentityFields.fieldPackageName));
if (packageNameStr == nullptr) {
identity.packageName = std::nullopt;
} else {
identity.packageName = std::string(ScopedUtfChars(env, packageNameStr).c_str());
}
jstring attributionTagStr = static_cast<jstring>(
env->GetObjectField(jIdentity, javaIdentityFields.fieldAttributionTag));
if (attributionTagStr == nullptr) {
identity.attributionTag = std::nullopt;
} else {
identity.attributionTag = std::string(ScopedUtfChars(env, attributionTagStr).c_str());
}
return identity;
}
} // namespace android::media::permission
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