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// Copyright 2016 The Cobalt Authors. All Rights Reserved.
//
// 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 "starboard/system.h"
#include "sys/system_properties.h"
#include "starboard/android/shared/jni_env_ext.h"
#include "starboard/android/shared/jni_utils.h"
#include "starboard/common/log.h"
#include "starboard/common/string.h"
// We can't #include "base/stringize_macros.h" in Starboard
#define STRINGIZE_NO_EXPANSION(x) #x
#define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x)
using starboard::android::shared::JniEnvExt;
using starboard::android::shared::ScopedLocalJavaRef;
namespace {
const char kFriendlyName[] = "Android";
const char kUnknownValue[] = "unknown";
// This is a format string template and the %s is meant to be replaced by
// the Android release version number (e.g. "7.0" for Nougat).
const char kPlatformNameFormat[] =
"Linux " STRINGIZE(ANDROID_ABI) "; Android %s";
bool CopyStringAndTestIfSuccess(char* out_value,
int value_length,
const char* from_value) {
if (strlen(from_value) + 1 > value_length)
return false;
starboard::strlcpy(out_value, from_value, value_length);
return true;
}
bool GetAndroidSystemProperty(const char* system_property_name,
char* out_value,
int value_length,
const char* default_value) {
if (value_length < PROP_VALUE_MAX) {
return false;
}
// Note that __system_property_get returns empty string on no value
__system_property_get(system_property_name, out_value);
if (strlen(out_value) == 0) {
starboard::strlcpy(out_value, default_value, value_length);
}
return true;
}
// Populate the kPlatformNameFormat with the version number and if
// |value_length| is large enough to store the result, copy the result into
// |out_value|.
bool CopyAndroidPlatformName(char* out_value, int value_length) {
// Get the Android version number (e.g. "7.0" for Nougat).
const int kStringBufferSize = 256;
char version_string_buffer[kStringBufferSize];
if (!GetAndroidSystemProperty("ro.build.version.release",
version_string_buffer, kStringBufferSize,
kUnknownValue)) {
return false;
}
char result_string[kStringBufferSize];
SbStringFormatF(result_string, kStringBufferSize, kPlatformNameFormat,
version_string_buffer);
return CopyStringAndTestIfSuccess(out_value, value_length, result_string);
}
} // namespace
bool SbSystemGetProperty(SbSystemPropertyId property_id,
char* out_value,
int value_length) {
if (!out_value || !value_length) {
return false;
}
switch (property_id) {
case kSbSystemPropertyBrandName:
return GetAndroidSystemProperty("ro.product.brand", out_value,
value_length, kUnknownValue);
case kSbSystemPropertyModelName:
return GetAndroidSystemProperty("ro.product.model", out_value,
value_length, kUnknownValue);
case kSbSystemPropertyFirmwareVersion:
return GetAndroidSystemProperty("ro.build.id", out_value, value_length,
kUnknownValue);
case kSbSystemPropertyChipsetModelNumber:
return GetAndroidSystemProperty("ro.board.platform", out_value,
value_length, kUnknownValue);
case kSbSystemPropertyModelYear: {
char key1[PROP_VALUE_MAX] = "";
GetAndroidSystemProperty("ro.oem.key1", key1, PROP_VALUE_MAX,
kUnknownValue);
if (strcmp(key1, kUnknownValue) == 0 || strlen(key1) < 10) {
return CopyStringAndTestIfSuccess(out_value, value_length,
kUnknownValue);
}
// See
// https://support.google.com/androidpartners_androidtv/answer/9351639?hl=en
// for the format of key1.
std::string year = "20";
year += key1[9];
year += key1[10];
return CopyStringAndTestIfSuccess(out_value, value_length, year.c_str());
}
case kSbSystemPropertySystemIntegratorName:
return GetAndroidSystemProperty("ro.product.manufacturer", out_value,
value_length, kUnknownValue);
case kSbSystemPropertyFriendlyName:
return CopyStringAndTestIfSuccess(out_value, value_length, kFriendlyName);
case kSbSystemPropertyPlatformName:
return CopyAndroidPlatformName(out_value, value_length);
case kSbSystemPropertySpeechApiKey:
return false;
case kSbSystemPropertyUserAgentAuxField: {
JniEnvExt* env = JniEnvExt::Get();
ScopedLocalJavaRef<jstring> aux_string(
env->CallStarboardObjectMethodOrAbort("getUserAgentAuxField",
"()Ljava/lang/String;"));
std::string utf_str = env->GetStringStandardUTFOrAbort(aux_string.Get());
bool success =
CopyStringAndTestIfSuccess(out_value, value_length, utf_str.c_str());
return success;
}
#if SB_API_VERSION >= 14
case kSbSystemPropertyAdvertisingId: {
JniEnvExt* env = JniEnvExt::Get();
ScopedLocalJavaRef<jstring> id_string(
env->CallStarboardObjectMethodOrAbort("getAdvertisingId",
"()Ljava/lang/String;"));
std::string utf_str = env->GetStringStandardUTFOrAbort(id_string.Get());
return CopyStringAndTestIfSuccess(out_value, value_length,
utf_str.c_str());
}
case kSbSystemPropertyLimitAdTracking: {
bool limit_ad_tracking_enabled =
JniEnvExt::Get()->CallStarboardBooleanMethodOrAbort(
"getLimitAdTracking", "()Z") == JNI_TRUE;
return CopyStringAndTestIfSuccess(out_value, value_length,
limit_ad_tracking_enabled ? "1" : "0");
}
#endif
default:
SB_DLOG(WARNING) << __FUNCTION__
<< ": Unrecognized property: " << property_id;
break;
}
return false;
}