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/*
* Copyright (c) 2012-2016 Arne Schwabe
* Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
*/
package de.blinkt.openvpn.core.connection;
import android.text.TextUtils;
import com.google.gson.annotations.JsonAdapter;
import java.io.Serializable;
import java.util.Locale;
@JsonAdapter(ConnectionAdapter.class)
public abstract class Connection implements Serializable, Cloneable {
private String mServerName = "openvpn.example.com";
private String mServerPort = "1194";
private boolean mUseUdp = true;
private String mCustomConfiguration = "";
private boolean mUseCustomConfig = false;
private boolean mEnabled = true;
private int mConnectTimeout = 0;
private static final int CONNECTION_DEFAULT_TIMEOUT = 120;
private ProxyType mProxyType = ProxyType.NONE;
private String mProxyName = "proxy.example.com";
private String mProxyPort = "8080";
private boolean mUseProxyAuth;
private String mProxyAuthUser = null;
private String mProxyAuthPassword = null;
public enum ProxyType {
NONE,
HTTP,
SOCKS5,
ORBOT
}
public enum TransportType {
OBFS4("obfs4"),
OPENVPN("openvpn"),
OBFS4_KCP("obfs4-1"),
PT("metaTransport");
String transport;
TransportType(String transportType) {
this.transport = transportType;
}
@Override
public String toString() {
return transport;
}
public boolean isPluggableTransport() {
return this == OBFS4 || this == OBFS4_KCP || this == PT;
}
public TransportType getMetaType() {
if (this == OBFS4 || this == OBFS4_KCP || this == PT) {
return PT;
}
return OPENVPN;
}
}
private static final long serialVersionUID = 92031902903829089L;
public String getConnectionBlock(boolean isOpenVPN3) {
String cfg = "";
// Server Address
cfg += "remote ";
cfg += mServerName;
cfg += " ";
cfg += mServerPort;
if (mUseUdp)
cfg += " udp\n";
else
cfg += " tcp-client\n";
if (mConnectTimeout != 0)
cfg += String.format(Locale.US, " connect-timeout %d\n", mConnectTimeout);
// OpenVPN 2.x manages proxy connection via management interface
if ((isOpenVPN3 || usesExtraProxyOptions()) && mProxyType == ProxyType.HTTP)
{
cfg+=String.format(Locale.US,"http-proxy %s %s\n", mProxyName, mProxyPort);
if (mUseProxyAuth)
cfg+=String.format(Locale.US, "<http-proxy-user-pass>\n%s\n%s\n</http-proxy-user-pass>\n", mProxyAuthUser, mProxyAuthPassword);
}
if (usesExtraProxyOptions() && mProxyType == ProxyType.SOCKS5) {
cfg+=String.format(Locale.US,"socks-proxy %s %s\n", mProxyName, mProxyPort);
}
if (!TextUtils.isEmpty(mCustomConfiguration) && mUseCustomConfig) {
cfg += mCustomConfiguration;
cfg += "\n";
}
return cfg;
}
public boolean usesExtraProxyOptions() {
return (mUseCustomConfig && mCustomConfiguration.contains("http-proxy-option "));
}
@Override
public Connection clone() throws CloneNotSupportedException {
return (Connection) super.clone();
}
public boolean isOnlyRemote() {
return TextUtils.isEmpty(mCustomConfiguration) || !mUseCustomConfig;
}
public int getTimeout() {
if (mConnectTimeout <= 0)
return CONNECTION_DEFAULT_TIMEOUT;
else
return mConnectTimeout;
}
public String getServerName() {
return mServerName;
}
public void setServerName(String mServerName) {
this.mServerName = mServerName;
}
public String getServerPort() {
return mServerPort;
}
public void setServerPort(String serverPort) {
this.mServerPort = serverPort;
}
public boolean isUseUdp() {
return mUseUdp;
}
public void setUseUdp(boolean useUdp) {
this.mUseUdp = useUdp;
}
public String getCustomConfiguration() {
return mCustomConfiguration;
}
public void setCustomConfiguration(String customConfiguration) {
this.mCustomConfiguration = customConfiguration;
}
public boolean isUseCustomConfig() {
return mUseCustomConfig;
}
public void setUseCustomConfig(boolean useCustomConfig) {
this.mUseCustomConfig = useCustomConfig;
}
public boolean isEnabled() {
return mEnabled;
}
public void setEnabled(boolean enabled) {
this.mEnabled = enabled;
}
public int getConnectTimeout() {
return mConnectTimeout;
}
public void setConnectTimeout(int connectTimeout) {
this.mConnectTimeout = connectTimeout;
}
public ProxyType getProxyType() {
return mProxyType;
}
public void setProxyType(ProxyType proxyType) {
this.mProxyType = proxyType;
}
public String getProxyName() {
return mProxyName;
}
public void setProxyName(String proxyName) {
this.mProxyName = proxyName;
}
public String getProxyPort() {
return mProxyPort;
}
public void setProxyPort(String proxyPort) {
this.mProxyPort = proxyPort;
}
public boolean isUseProxyAuth() {
return mUseProxyAuth;
}
public void setUseProxyAuth(boolean useProxyAuth) {
this.mUseProxyAuth = useProxyAuth;
}
public String getProxyAuthUser() {
return mProxyAuthUser;
}
public void setProxyAuthUser(String proxyAuthUser) {
this.mProxyAuthUser = proxyAuthUser;
}
public String getProxyAuthPassword() {
return mProxyAuthPassword;
}
public void setProxyAuthPassword(String proxyAuthPassword) {
this.mProxyAuthPassword = proxyAuthPassword;
}
public abstract TransportType getTransportType();
}
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