nl.topicus.jdbc.shaded.com.google.auth.oauth2.CloudShellCredentials Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spanner-jdbc Show documentation
Show all versions of spanner-jdbc Show documentation
JDBC Driver for Google Cloud Spanner
/*
* Copyright 2015, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package nl.topicus.jdbc.shaded.com.google.auth.oauth2;
import nl.topicus.jdbc.shaded.com.google.api.client.json.JsonParser;
import nl.topicus.jdbc.shaded.com.google.common.base.MoreObjects;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
/**
* OAuth2 credentials representing the built-in service account for Google Cloud Shell.
*/
public class CloudShellCredentials extends GoogleCredentials {
private static final long serialVersionUID = -2133257318957488451L;
private static final int ACCESS_TOKEN_INDEX = 2;
private static final int READ_TIMEOUT_MS = 5000;
/**
* The Cloud Shell back authorization channel uses serialized
* Javascript Protobufers, preceeded by the message length and a
* new line character. However, the request message has no content,
* so a token request consists of an empty JsPb, and its 2 character
* lenth prefix.
*/
protected final static String GET_AUTH_TOKEN_REQUEST = "2\n[]";
private final int authPort;
/**
* @deprecated Use {@link #create(int)} instead. This method will be deleted in a later version.
*/
@Deprecated
public static CloudShellCredentials of(int authPort) {
return create(authPort);
}
public static CloudShellCredentials create(int authPort) {
return CloudShellCredentials.newBuilder().setAuthPort(authPort).build();
}
/**
* @deprecated Use {@link #create(int)} instead. This constructor will either be deleted or
* made private in a later version.
*/
@Deprecated
public CloudShellCredentials(int authPort) {
this.authPort = authPort;
}
protected int getAuthPort() {
return this.authPort;
}
@Override
public AccessToken refreshAccessToken() throws IOException {
Socket socket = new Socket("localhost", this.getAuthPort());
socket.setSoTimeout(READ_TIMEOUT_MS);
AccessToken token;
try {
PrintWriter out =
new PrintWriter(socket.getOutputStream(), true);
out.println(GET_AUTH_TOKEN_REQUEST);
BufferedReader input =
new BufferedReader(new InputStreamReader(socket.getInputStream()));
input.readLine(); // Skip over the first line
JsonParser parser = OAuth2Utils.JSON_FACTORY.createJsonParser(input);
List