com.google.api.client.googleapis.auth.oauth2.CloudShellCredential Maven / Gradle / Ivy
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package com.google.api.client.googleapis.auth.oauth2;
import com.google.api.client.auth.oauth2.TokenResponse;
import com.google.api.client.json.JsonFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
/**
* OAuth2 credentials representing the built-in service account for Google Cloud Shell.
*
* @since 1.21.0
* @deprecated Please use
* google-auth-library for handling authentication and authorization from Cloud Shell.
*/
@Deprecated
public class CloudShellCredential extends GoogleCredential {
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, preceded by
* the message lengeth 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 length prefix.
*/
protected static final String GET_AUTH_TOKEN_REQUEST = "2\n[]";
private final int authPort;
private final JsonFactory jsonFactory;
public CloudShellCredential(int authPort, JsonFactory jsonFactory) {
this.authPort = authPort;
this.jsonFactory = jsonFactory;
}
protected int getAuthPort() {
return this.authPort;
}
@Override
protected TokenResponse executeRefreshToken() throws IOException {
Socket socket = new Socket("localhost", this.getAuthPort());
socket.setSoTimeout(READ_TIMEOUT_MS);
TokenResponse token = new TokenResponse();
try {
PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
out.println(GET_AUTH_TOKEN_REQUEST);
BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
// Ignore the size line
input.readLine();
Collection