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
28 namespace android {
29
30 class ProxyErrorLogger : public net::ProxyErrorListener {
31 public:
~ProxyErrorLogger()32 ~ProxyErrorLogger() {
33
34 }
AlertMessage(String16 message)35 void AlertMessage(String16 message) {
36 String8 str(message);
37 ALOGD("Alert: %s", str.string());
38 }
ErrorMessage(String16 message)39 void ErrorMessage(String16 message) {
40 String8 str(message);
41 ALOGE("Error: %s", str.string());
42 }
43 };
44
45 net::ProxyResolverV8* proxyResolver = NULL;
46 ProxyErrorLogger* logger = NULL;
47 bool pacSet = false;
48
jstringToString16(JNIEnv * env,jstring jstr)49 String16 jstringToString16(JNIEnv* env, jstring jstr) {
50 const jchar* str = env->GetStringCritical(jstr, 0);
51 String16 str16(reinterpret_cast<const char16_t*>(str),
52 env->GetStringLength(jstr));
53 env->ReleaseStringCritical(jstr, str);
54 return str16;
55 }
56
string16ToJstring(JNIEnv * env,String16 string)57 jstring string16ToJstring(JNIEnv* env, String16 string) {
58 const char16_t* str = string.string();
59 size_t len = string.size();
60
61 return env->NewString(reinterpret_cast<const jchar*>(str), len);
62 }
63
com_android_pacprocessor_PacNative_createV8ParserNativeLocked(JNIEnv *,jobject)64 static jboolean com_android_pacprocessor_PacNative_createV8ParserNativeLocked(JNIEnv* /* env */,
65 jobject) {
66 if (proxyResolver == NULL) {
67 logger = new ProxyErrorLogger();
68 proxyResolver = new net::ProxyResolverV8(net::ProxyResolverJSBindings::CreateDefault(),
69 logger);
70 pacSet = false;
71 return JNI_FALSE;
72 }
73 return JNI_TRUE;
74 }
75
com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked(JNIEnv *,jobject)76 static jboolean com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked(JNIEnv* /* env */,
77 jobject) {
78 if (proxyResolver != NULL) {
79 delete logger;
80 delete proxyResolver;
81 logger = NULL;
82 proxyResolver = NULL;
83 return JNI_FALSE;
84 }
85 return JNI_TRUE;
86 }
87
com_android_pacprocessor_PacNative_setProxyScriptNativeLocked(JNIEnv * env,jobject,jstring script)88 static jboolean com_android_pacprocessor_PacNative_setProxyScriptNativeLocked(JNIEnv* env, jobject,
89 jstring script) {
90 String16 script16 = jstringToString16(env, script);
91
92 if (proxyResolver == NULL) {
93 ALOGE("V8 Parser not started when setting PAC script");
94 return JNI_TRUE;
95 }
96
97 if (proxyResolver->SetPacScript(script16) != OK) {
98 ALOGE("Unable to set PAC script");
99 return JNI_TRUE;
100 }
101 pacSet = true;
102
103 return JNI_FALSE;
104 }
105
com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked(JNIEnv * env,jobject,jstring url,jstring host)106 static jstring com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked(JNIEnv* env, jobject,
107 jstring url, jstring host) {
108 String16 url16 = jstringToString16(env, url);
109 String16 host16 = jstringToString16(env, host);
110 String16 ret;
111
112 if (proxyResolver == NULL) {
113 ALOGE("V8 Parser not initialized when running PAC script");
114 return NULL;
115 }
116
117 if (!pacSet) {
118 ALOGW("Attempting to run PAC with no script set");
119 return NULL;
120 }
121
122 if (proxyResolver->GetProxyForURL(url16, host16, &ret) != OK) {
123 String8 ret8(ret);
124 ALOGE("Error Running PAC: %s", ret8.string());
125 return NULL;
126 }
127
128 jstring jret = string16ToJstring(env, ret);
129
130 return jret;
131 }
132
133 static JNINativeMethod gMethods[] = {
134 { "createV8ParserNativeLocked", "()Z",
135 (void*)com_android_pacprocessor_PacNative_createV8ParserNativeLocked},
136 { "destroyV8ParserNativeLocked", "()Z",
137 (void*)com_android_pacprocessor_PacNative_destroyV8ParserNativeLocked},
138 { "setProxyScriptNativeLocked", "(Ljava/lang/String;)Z",
139 (void*)com_android_pacprocessor_PacNative_setProxyScriptNativeLocked},
140 { "makeProxyRequestNativeLocked", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
141 (void*)com_android_pacprocessor_PacNative_makeProxyRequestNativeLocked},
142 };
143
register_com_android_pacprocessor_PacNative(JNIEnv * env)144 int register_com_android_pacprocessor_PacNative(JNIEnv* env) {
145 return jniRegisterNativeMethods(env, "com/android/pacprocessor/PacNative",
146 gMethods, NELEM(gMethods));
147 }
148
149 } /* namespace android */
150