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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "android_webview/native/token_binding_manager_bridge.h"
#include "android_webview/browser/net/token_binding_manager.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/bind.h"
#include "content/public/browser/browser_thread.h"
#include "crypto/ec_private_key.h"
#include "jni/AwTokenBindingManager_jni.h"
#include "net/base/net_errors.h"
#include "net/ssl/channel_id_service.h"
using base::android::ConvertJavaStringToUTF8;
using base::android::ScopedJavaGlobalRef;
using content::BrowserThread;
using net::ChannelIDService;
namespace android_webview {
namespace {
// Provides the key to the Webview client.
void OnKeyReady(const ScopedJavaGlobalRef<jobject>& callback,
int status,
crypto::ECPrivateKey* key) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
JNIEnv* env = base::android::AttachCurrentThread();
if (status != net::OK || !key) {
Java_AwTokenBindingManager_onKeyReady(env, callback.obj(), nullptr,
nullptr);
return;
}
std::vector<uint8_t> private_key;
key->ExportEncryptedPrivateKey(ChannelIDService::kEPKIPassword, 1,
&private_key);
ScopedJavaLocalRef<jbyteArray> jprivate_key = base::android::ToJavaByteArray(
env, private_key.data(), private_key.size());
std::vector<uint8_t> public_key;
key->ExportPublicKey(&public_key);
ScopedJavaLocalRef<jbyteArray> jpublic_key = base::android::ToJavaByteArray(
env, public_key.data(), public_key.size());
Java_AwTokenBindingManager_onKeyReady(env, callback.obj(), jprivate_key.obj(),
jpublic_key.obj());
}
// Indicates webview client that key deletion is complete.
void OnDeletionComplete(const ScopedJavaGlobalRef<jobject>& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (callback.is_null())
return;
JNIEnv* env = base::android::AttachCurrentThread();
Java_AwTokenBindingManager_onDeletionComplete(env, callback.obj());
}
} // namespace
static void EnableTokenBinding(JNIEnv* env, const JavaParamRef<jobject>& obj) {
// This needs to be called before starting chromium engine, so no thread
// checks for UI.
TokenBindingManager::GetInstance()->enable_token_binding();
}
static void GetTokenBindingKey(JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jstring>& host,
const JavaParamRef<jobject>& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Store the Java callback in a scoped object and give the ownership to
// base::Callback
ScopedJavaGlobalRef<jobject> j_callback;
j_callback.Reset(env, callback);
TokenBindingManager::KeyReadyCallback key_callback =
base::Bind(&OnKeyReady, j_callback);
TokenBindingManager::GetInstance()->GetKey(ConvertJavaStringToUTF8(env, host),
key_callback);
}
static void DeleteTokenBindingKey(JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jstring>& host,
const JavaParamRef<jobject>& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Store the Java callback in a scoped object and give the ownership to
// base::Callback
ScopedJavaGlobalRef<jobject> j_callback;
j_callback.Reset(env, callback);
TokenBindingManager::DeletionCompleteCallback complete_callback =
base::Bind(&OnDeletionComplete, j_callback);
TokenBindingManager::GetInstance()->DeleteKey(
ConvertJavaStringToUTF8(env, host), complete_callback);
}
static void DeleteAllTokenBindingKeys(JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Store the Java callback in a scoped object and give the ownership to
// base::Callback
ScopedJavaGlobalRef<jobject> j_callback;
j_callback.Reset(env, callback);
TokenBindingManager::DeletionCompleteCallback complete_callback =
base::Bind(&OnDeletionComplete, j_callback);
TokenBindingManager::GetInstance()->DeleteAllKeys(complete_callback);
}
bool RegisterTokenBindingManager(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // android_webview namespace
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