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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/android/jni_string.h"
#include "base/base64.h"
#include "base/metrics/field_trial_params.h"
#include "base/metrics/histogram_functions.h"
#include "components/variations/net/variations_command_line.h"
#include "components/variations/variations_ids_provider.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/variations/android/variations_data_jni/VariationsAssociatedData_jni.h"
using base::android::ConvertJavaStringToUTF8;
using base::android::ConvertUTF8ToJavaString;
using base::android::JavaParamRef;
using base::android::ScopedJavaLocalRef;
namespace variations {
namespace android {
ScopedJavaLocalRef<jstring> JNI_VariationsAssociatedData_GetVariationParamValue(
JNIEnv* env,
const JavaParamRef<jstring>& jtrial_name,
const JavaParamRef<jstring>& jparam_name) {
std::string trial_name(ConvertJavaStringToUTF8(env, jtrial_name));
std::string param_name(ConvertJavaStringToUTF8(env, jparam_name));
std::string param_value =
base::GetFieldTrialParamValue(trial_name, param_name);
return ConvertUTF8ToJavaString(env, param_value);
}
ScopedJavaLocalRef<jstring> JNI_VariationsAssociatedData_GetFeedbackVariations(
JNIEnv* env) {
const std::string values =
VariationsIdsProvider::GetInstance()->GetVariationsString();
return ConvertUTF8ToJavaString(env, values);
}
ScopedJavaLocalRef<jstring> JNI_VariationsAssociatedData_GetVariationsState(
JNIEnv* env) {
if (!base::FeatureList::IsEnabled(variations::kFeedbackIncludeVariations)) {
return nullptr;
}
std::vector<uint8_t> ciphertext;
const auto status =
variations::VariationsCommandLine::GetForCurrentProcess().EncryptToString(
&ciphertext);
base::UmaHistogramEnumeration("Variations.VariationsStateEncryptionStatus",
status);
if (status != variations::VariationsStateEncryptionStatus::kSuccess) {
return nullptr;
}
std::string value = base::Base64Encode(ciphertext);
return ConvertUTF8ToJavaString(env, value);
}
ScopedJavaLocalRef<jstring> JNI_VariationsAssociatedData_GetGoogleAppVariations(
JNIEnv* env) {
const std::string values =
VariationsIdsProvider::GetInstance()->GetGoogleAppVariationsString();
return ConvertUTF8ToJavaString(env, values);
}
} // namespace android
} // namespace variations
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