public static ServiceProxyImpl forService(ServiceImpl owner, OmiscidService omiscidService) {
Map<Integer, ProxyInfo> proxies;
synchronized (proxyForService) {
proxies = proxyForService.get(owner);
if (proxies == null) {
proxies = new Hashtable<Integer, ProxyInfo>();
proxyForService.put(owner, proxies);
}
}
ProxyInfo proxyInfo;
synchronized (proxies) {
proxyInfo = proxies.get(omiscidService.getRemotePeerId());
if (proxyInfo == null) {
proxyInfo = new ProxyInfo();
proxies.put(omiscidService.getRemotePeerId(), proxyInfo);
}
}
synchronized (proxyInfo) {
long now = System.currentTimeMillis();
if (proxyInfo.timeout < now) {
try {
proxyInfo.serviceProxyImpl = new ServiceProxyImpl(omiscidService);
proxyInfo.timeout = Long.MAX_VALUE; // ignoring timeout for now //now + ???;
} catch (RuntimeException e) {
proxyInfo.serviceProxyImpl = null;
proxyInfo.timeout = now;
}
}
}
return proxyInfo.serviceProxyImpl;
// return new ServiceProxyImpl(omiscidService);
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
try {
Set<? extends Element> set = roundEnv.getElementsAnnotatedWith(Parcelable.class);
for (Element element : set) {
try {
TypeElement enclosingElement = (TypeElement) element;
ProxyInfo pi = new ProxyInfo(enclosingElement.getQualifiedName().toString());
writeLog(pi.getFullName());
JavaFileObject jfo = filer.createSourceFile(pi.getFullName(), enclosingElement);
Writer writer = jfo.openWriter();
writeLog(pi.createCode());
writer.write(pi.createCode());
writer.flush();
writer.close();
writeLog("ok");
} catch (Exception e) {
e.printStackTrace();
writeLog(e.getMessage());
}
}
} catch (Exception e) {
e.printStackTrace();
writeLog(e.getMessage());
}
return true;
}
@Override
public List<Proxy> select(URI uri) {
if (HTTP.equalsIgnoreCase(uri.getScheme()) || SOCKS.equalsIgnoreCase(uri.getScheme())) {
if (isInExcludedSet(uri.toASCIIString())) {
if (isLogEnabled()) {
Log.d(TAG, "Found in excludedSet. Returning default proxy for url : " + uri);
}
if (sDefaultProxy == null) {
return mDefaultProxySelector.select(uri);
}
return Arrays.asList(
new Proxy(
Proxy.Type.HTTP,
new InetSocketAddress(sDefaultProxy.getHost(), sDefaultProxy.getPort())));
}
ProxyInfo proxyForUrl = getProxyForUrl(uri.toASCIIString());
if (proxyForUrl != null) {
if (isLogEnabled()) {
Log.d(
TAG,
"Found in includeSet. Returning proxy ("
+ proxyForUrl.getHost()
+ ", "
+ proxyForUrl.getPort()
+ ") for url : "
+ uri);
}
return Arrays.asList(
new Proxy(
Proxy.Type.HTTP,
new InetSocketAddress(proxyForUrl.getHost(), proxyForUrl.getPort())));
}
}
if (isLogEnabled()) {
Log.d(TAG, "Not found anywhere. Returning default proxy (which is none generally).");
}
if (sDefaultProxy == null) {
return mDefaultProxySelector.select(uri);
}
return Arrays.asList(
new Proxy(
Proxy.Type.HTTP,
new InetSocketAddress(sDefaultProxy.getHost(), sDefaultProxy.getPort())));
}
private Socket socks5ProxifiedSocket(String host, int port) throws IOException {
Socket socket = null;
InputStream in = null;
OutputStream out = null;
String proxy_host = proxy.getProxyAddress();
int proxy_port = proxy.getProxyPort();
String user = proxy.getProxyUsername();
String passwd = proxy.getProxyPassword();
try {
socket = new Socket(proxy_host, proxy_port);
in = socket.getInputStream();
out = socket.getOutputStream();
socket.setTcpNoDelay(true);
byte[] buf = new byte[1024];
int index = 0;
/*
+----+----------+----------+
|VER | NMETHODS | METHODS |
+----+----------+----------+
| 1 | 1 | 1 to 255 |
+----+----------+----------+
The VER field is set to X'05' for this version of the protocol. The
NMETHODS field contains the number of method identifier octets that
appear in the METHODS field.
The values currently defined for METHOD are:
o X'00' NO AUTHENTICATION REQUIRED
o X'01' GSSAPI
o X'02' USERNAME/PASSWORD
o X'03' to X'7F' IANA ASSIGNED
o X'80' to X'FE' RESERVED FOR PRIVATE METHODS
o X'FF' NO ACCEPTABLE METHODS
*/
buf[index++] = 5;
buf[index++] = 2;
buf[index++] = 0; // NO AUTHENTICATION REQUIRED
buf[index++] = 2; // USERNAME/PASSWORD
out.write(buf, 0, index);
/*
The server selects from one of the methods given in METHODS, and
sends a METHOD selection message:
+----+--------+
|VER | METHOD |
+----+--------+
| 1 | 1 |
+----+--------+
*/
// in.read(buf, 0, 2);
fill(in, buf, 2);
boolean check = false;
switch ((buf[1]) & 0xff) {
case 0: // NO AUTHENTICATION REQUIRED
check = true;
break;
case 2: // USERNAME/PASSWORD
if (user == null || passwd == null) {
break;
}
/*
Once the SOCKS V5 server has started, and the client has selected the
Username/Password Authentication protocol, the Username/Password
subnegotiation begins. This begins with the client producing a
Username/Password request:
+----+------+----------+------+----------+
|VER | ULEN | UNAME | PLEN | PASSWD |
+----+------+----------+------+----------+
| 1 | 1 | 1 to 255 | 1 | 1 to 255 |
+----+------+----------+------+----------+
The VER field contains the current version of the subnegotiation,
which is X'01'. The ULEN field contains the length of the UNAME field
that follows. The UNAME field contains the username as known to the
source operating system. The PLEN field contains the length of the
PASSWD field that follows. The PASSWD field contains the password
association with the given UNAME.
*/
index = 0;
buf[index++] = 1;
buf[index++] = (byte) (user.length());
System.arraycopy(user.getBytes(), 0, buf, index, user.length());
index += user.length();
buf[index++] = (byte) (passwd.length());
System.arraycopy(passwd.getBytes(), 0, buf, index, passwd.length());
index += passwd.length();
out.write(buf, 0, index);
/*
The server verifies the supplied UNAME and PASSWD, and sends the
following response:
+----+--------+
|VER | STATUS |
+----+--------+
| 1 | 1 |
+----+--------+
A STATUS field of X'00' indicates success. If the server returns a
`failure' (STATUS value other than X'00') status, it MUST close the
connection.
*/
// in.read(buf, 0, 2);
fill(in, buf, 2);
if (buf[1] == 0) {
check = true;
}
break;
default:
}
if (!check) {
try {
socket.close();
} catch (Exception eee) {
}
throw new ProxyException(ProxyInfo.ProxyType.SOCKS5, "fail in SOCKS5 proxy");
}
/*
The SOCKS request is formed as follows:
+----+-----+-------+------+----------+----------+
|VER | CMD | RSV | ATYP | DST.ADDR | DST.PORT |
+----+-----+-------+------+----------+----------+
| 1 | 1 | X'00' | 1 | Variable | 2 |
+----+-----+-------+------+----------+----------+
Where:
o VER protocol version: X'05'
o CMD
o CONNECT X'01'
o BIND X'02'
o UDP ASSOCIATE X'03'
o RSV RESERVED
o ATYP address type of following address
o IP V4 address: X'01'
o DOMAINNAME: X'03'
o IP V6 address: X'04'
o DST.ADDR desired destination address
o DST.PORT desired destination port in network octet
order
*/
index = 0;
buf[index++] = 5;
buf[index++] = 1; // CONNECT
buf[index++] = 0;
byte[] hostb = host.getBytes();
int len = hostb.length;
buf[index++] = 3; // DOMAINNAME
buf[index++] = (byte) (len);
System.arraycopy(hostb, 0, buf, index, len);
index += len;
buf[index++] = (byte) (port >>> 8);
buf[index++] = (byte) (port & 0xff);
out.write(buf, 0, index);
/*
The SOCKS request information is sent by the client as soon as it has
established a connection to the SOCKS server, and completed the
authentication negotiations. The server evaluates the request, and
returns a reply formed as follows:
+----+-----+-------+------+----------+----------+
|VER | REP | RSV | ATYP | BND.ADDR | BND.PORT |
+----+-----+-------+------+----------+----------+
| 1 | 1 | X'00' | 1 | Variable | 2 |
+----+-----+-------+------+----------+----------+
Where:
o VER protocol version: X'05'
o REP Reply field:
o X'00' succeeded
o X'01' general SOCKS server failure
o X'02' connection not allowed by ruleset
o X'03' Network unreachable
o X'04' Host unreachable
o X'05' Connection refused
o X'06' TTL expired
o X'07' Command not supported
o X'08' Address type not supported
o X'09' to X'FF' unassigned
o RSV RESERVED
o ATYP address type of following address
o IP V4 address: X'01'
o DOMAINNAME: X'03'
o IP V6 address: X'04'
o BND.ADDR server bound address
o BND.PORT server bound port in network octet order
*/
// in.read(buf, 0, 4);
fill(in, buf, 4);
if (buf[1] != 0) {
try {
socket.close();
} catch (Exception eee) {
}
throw new ProxyException(ProxyInfo.ProxyType.SOCKS5, "server returns " + buf[1]);
}
switch (buf[3] & 0xff) {
case 1:
// in.read(buf, 0, 6);
fill(in, buf, 6);
break;
case 3:
// in.read(buf, 0, 1);
fill(in, buf, 1);
// in.read(buf, 0, buf[0]+2);
fill(in, buf, (buf[0] & 0xff) + 2);
break;
case 4:
// in.read(buf, 0, 18);
fill(in, buf, 18);
break;
default:
}
return socket;
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
try {
if (socket != null) {
socket.close();
}
} catch (Exception eee) {
}
String message = "ProxySOCKS5: " + e.toString();
if (e instanceof Throwable) {
throw new ProxyException(ProxyInfo.ProxyType.SOCKS5, message, e);
}
throw new IOException(message);
}
}
