1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "PacProcessor" 18 19#include <utils/Log.h> 20#include <utils/Mutex.h> 21#include "android_runtime/AndroidRuntime.h" 22 23#include "jni.h" 24#include "JNIHelp.h" 25 26#include "proxy_resolver_v8.h" 27 28namespace android { 29 30class ProxyErrorLogger : public net::ProxyErrorListener { 31public: 32 ~ProxyErrorLogger() { 33 34 } 35 void AlertMessage(String16 message) { 36 String8 str(message); 37 ALOGD("Alert: %s", str.string()); 38 } 39 void ErrorMessage(String16 message) { 40 String8 str(message); 41 ALOGE("Error: %s", str.string()); 42 } 43}; 44 45net::ProxyResolverV8* proxyResolver = NULL; 46ProxyErrorLogger* logger = NULL; 47bool pacSet = false; 48 49String16 jstringToString16(JNIEnv* env, jstring jstr) { 50 const jchar* str = env->GetStringCritical(jstr, 0); 51 String16 str16(str, env->GetStringLength(jstr)); 52 env->ReleaseStringCritical(jstr, str); 53 return str16; 54} 55 56jstring string16ToJstring(JNIEnv* env, String16 string) { 57 const char16_t* str = string.string(); 58 size_t len = string.size(); 59 60 return env->NewString(str, len); 61} 62 63static jboolean com_android_pacprocessor_PacNative_createV8ParserNativeLocked(JNIEnv* env, 64 jobject) { 65 if (proxyResolver == NULL) { 66 logger = new ProxyErrorLogger(); 67 proxyResolver = new net::ProxyResolverV8(net::ProxyResolverJSBindings::CreateDefault(), 68 logger); 69 pacSet = false; 70 return JNI_FALSE; 71 } 72 return JNI_TRUE; 73} 74 75static jboolean com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked(JNIEnv* env, 76 jobject) { 77 if (proxyResolver != NULL) { 78 delete logger; 79 delete proxyResolver; 80 logger = NULL; 81 proxyResolver = NULL; 82 return JNI_FALSE; 83 } 84 return JNI_TRUE; 85} 86 87static jboolean com_android_pacprocessor_PacNative_setProxyScriptNativeLocked(JNIEnv* env, jobject, 88 jstring script) { 89 String16 script16 = jstringToString16(env, script); 90 91 if (proxyResolver == NULL) { 92 ALOGE("V8 Parser not started when setting PAC script"); 93 return JNI_TRUE; 94 } 95 96 if (proxyResolver->SetPacScript(script16) != OK) { 97 ALOGE("Unable to set PAC script"); 98 return JNI_TRUE; 99 } 100 pacSet = true; 101 102 return JNI_FALSE; 103} 104 105static jstring com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked(JNIEnv* env, jobject, 106 jstring url, jstring host) { 107 String16 url16 = jstringToString16(env, url); 108 String16 host16 = jstringToString16(env, host); 109 String16 ret; 110 111 if (proxyResolver == NULL) { 112 ALOGE("V8 Parser not initialized when running PAC script"); 113 return NULL; 114 } 115 116 if (!pacSet) { 117 ALOGW("Attempting to run PAC with no script set"); 118 return NULL; 119 } 120 121 if (proxyResolver->GetProxyForURL(url16, host16, &ret) != OK) { 122 String8 ret8(ret); 123 ALOGE("Error Running PAC: %s", ret8.string()); 124 return NULL; 125 } 126 127 jstring jret = string16ToJstring(env, ret); 128 129 return jret; 130} 131 132static JNINativeMethod gMethods[] = { 133 { "createV8ParserNativeLocked", "()Z", 134 (void*)com_android_pacprocessor_PacNative_createV8ParserNativeLocked}, 135 { "destroyV8ParserNativeLocked", "()Z", 136 (void*)com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked}, 137 { "setProxyScriptNativeLocked", "(Ljava/lang/String;)Z", 138 (void*)com_android_pacprocessor_PacNative_setProxyScriptNativeLocked}, 139 { "makeProxyRequestNativeLocked", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;", 140 (void*)com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked}, 141}; 142 143int register_com_android_pacprocessor_PacNative(JNIEnv* env) { 144 return jniRegisterNativeMethods(env, "com/android/pacprocessor/PacNative", 145 gMethods, NELEM(gMethods)); 146} 147 148} /* namespace android */ 149