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/*
* Copyright (c) 2016 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.android.vts.api;
import com.android.vts.proto.VtsReportMessage.TestReportMessage;
import com.android.vts.servlet.BaseServlet;
import com.android.vts.util.DatastoreHelper;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.jackson.JacksonFactory;
import com.google.api.services.oauth2.Oauth2;
import com.google.api.services.oauth2.model.Tokeninfo;
import com.google.protobuf.InvalidProtocolBufferException;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.codec.binary.Base64;
import org.json.JSONException;
import org.json.JSONObject;
/** REST endpoint for posting data JSON to the Dashboard. */
@Deprecated
public class BigtableLegacyJsonServlet extends HttpServlet {
private static String SERVICE_CLIENT_ID;
private static final String SERVICE_NAME = "VTS Dashboard";
private static final Logger logger =
Logger.getLogger(BigtableLegacyJsonServlet.class.getName());
/** System Configuration Property class */
protected Properties systemConfigProp = new Properties();
@Override
public void init(ServletConfig cfg) throws ServletException {
super.init(cfg);
try {
InputStream defaultInputStream =
BigtableLegacyJsonServlet.class
.getClassLoader()
.getResourceAsStream("config.properties");
systemConfigProp.load(defaultInputStream);
SERVICE_CLIENT_ID = systemConfigProp.getProperty("appengine.serviceClientID");
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException {
// Retrieve the params
String payload = new String();
JSONObject payloadJson;
try {
String line = null;
BufferedReader reader = request.getReader();
while ((line = reader.readLine()) != null) {
payload += line;
}
payloadJson = new JSONObject(payload);
} catch (IOException | JSONException e) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
logger.log(Level.WARNING, "Invalid JSON: " + payload);
return;
}
// Verify service account access token.
boolean authorized = false;
if (payloadJson.has("accessToken")) {
String accessToken = payloadJson.getString("accessToken").trim();
GoogleCredential credential = new GoogleCredential().setAccessToken(accessToken);
Oauth2 oauth2 =
new Oauth2.Builder(new NetHttpTransport(), new JacksonFactory(), credential)
.setApplicationName(SERVICE_NAME)
.build();
Tokeninfo tokenInfo = oauth2.tokeninfo().setAccessToken(accessToken).execute();
if (tokenInfo.getIssuedTo().equals(SERVICE_CLIENT_ID)) {
authorized = true;
}
}
if (!authorized) {
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
// Parse the desired action and execute the command
try {
if (payloadJson.has("verb")) {
switch (payloadJson.getString("verb")) {
case "createTable":
logger.log(Level.INFO, "Deprecated verb: createTable.");
break;
case "insertRow":
insertData(payloadJson);
break;
default:
logger.log(
Level.WARNING,
"Invalid Datastore REST verb: " + payloadJson.getString("verb"));
throw new IOException("Unsupported POST verb.");
}
}
} catch (IOException e) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
response.setStatus(HttpServletResponse.SC_OK);
}
/**
* Inserts a data into the Cloud Datastore
*
* @param payloadJson The JSON object representing the row to be inserted. Of the form: {
* (deprecated) 'tableName' : 'table', (deprecated) 'rowKey' : 'row', (deprecated) 'family'
* : 'family', (deprecated) 'qualifier' : 'qualifier', 'value' : 'value' }
* @throws IOException
*/
private void insertData(JSONObject payloadJson) throws IOException {
if (!payloadJson.has("value")) {
logger.log(Level.WARNING, "Missing attributes for datastore api insertRow().");
return;
}
try {
byte[] value = Base64.decodeBase64(payloadJson.getString("value"));
TestReportMessage testReportMessage = TestReportMessage.parseFrom(value);
DatastoreHelper.insertTestReport(testReportMessage);
} catch (InvalidProtocolBufferException e) {
logger.log(Level.WARNING, "Invalid report posted to dashboard.");
}
}
}
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