/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "PacProcessor"
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#include <stdlib.h>
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#include <string>
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#include <utils/Log.h>
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#include <utils/Mutex.h>
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#include "android_runtime/AndroidRuntime.h"
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#include "jni.h"
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#include <nativehelper/JNIHelp.h>
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#include "proxy_resolver_v8_wrapper.h"
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namespace android {
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ProxyResolverV8Handle* proxyResolver = NULL;
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bool pacSet = false;
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std::u16string jstringToString16(JNIEnv* env, jstring jstr) {
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const jchar* str = env->GetStringCritical(jstr, 0);
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std::u16string str16(reinterpret_cast<const char16_t*>(str),
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env->GetStringLength(jstr));
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env->ReleaseStringCritical(jstr, str);
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return str16;
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}
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jstring string16ToJstring(JNIEnv* env, std::u16string string) {
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const char16_t* str = string.data();
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size_t len = string.length();
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return env->NewString(reinterpret_cast<const jchar*>(str), len);
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}
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static jboolean com_android_pacprocessor_PacNative_createV8ParserNativeLocked(JNIEnv* /* env */,
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jobject) {
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if (proxyResolver == NULL) {
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proxyResolver = ProxyResolverV8Handle_new();
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pacSet = false;
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return JNI_FALSE;
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}
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return JNI_TRUE;
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}
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static jboolean com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked(JNIEnv* /* env */,
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jobject) {
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if (proxyResolver != NULL) {
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ProxyResolverV8Handle_delete(proxyResolver);
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proxyResolver = NULL;
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return JNI_FALSE;
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}
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return JNI_TRUE;
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}
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static jboolean com_android_pacprocessor_PacNative_setProxyScriptNativeLocked(JNIEnv* env, jobject,
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jstring script) {
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std::u16string script16 = jstringToString16(env, script);
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if (proxyResolver == NULL) {
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ALOGE("V8 Parser not started when setting PAC script");
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return JNI_TRUE;
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}
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if (ProxyResolverV8Handle_SetPacScript(proxyResolver, script16.data()) != OK) {
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ALOGE("Unable to set PAC script");
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return JNI_TRUE;
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}
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pacSet = true;
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return JNI_FALSE;
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}
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static jstring com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked(JNIEnv* env, jobject,
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jstring url, jstring host) {
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std::u16string url16 = jstringToString16(env, url);
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std::u16string host16 = jstringToString16(env, host);
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if (proxyResolver == NULL) {
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ALOGE("V8 Parser not initialized when running PAC script");
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return NULL;
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}
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if (!pacSet) {
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ALOGW("Attempting to run PAC with no script set");
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return NULL;
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}
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std::unique_ptr<char16_t, decltype(&free)> result = std::unique_ptr<char16_t, decltype(&free)>(
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ProxyResolverV8Handle_GetProxyForURL(proxyResolver, url16.data(), host16.data()), &free);
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if (result.get() == NULL) {
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ALOGE("Error Running PAC");
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return NULL;
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}
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std::u16string ret(result.get());
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jstring jret = string16ToJstring(env, ret);
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return jret;
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}
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static const JNINativeMethod gMethods[] = {
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{ "createV8ParserNativeLocked", "()Z",
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(void*)com_android_pacprocessor_PacNative_createV8ParserNativeLocked},
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{ "destroyV8ParserNativeLocked", "()Z",
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(void*)com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked},
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{ "setProxyScriptNativeLocked", "(Ljava/lang/String;)Z",
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(void*)com_android_pacprocessor_PacNative_setProxyScriptNativeLocked},
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{ "makeProxyRequestNativeLocked", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
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(void*)com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked},
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};
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int register_com_android_pacprocessor_PacNative(JNIEnv* env) {
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return jniRegisterNativeMethods(env, "com/android/pacprocessor/PacNative",
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gMethods, NELEM(gMethods));
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}
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} /* namespace android */
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