com.intuit.karate.http.AwsLambdaHandler Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright 2020 Intuit Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.intuit.karate.http;
import com.intuit.karate.FileUtils;
import com.intuit.karate.JsonUtils;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.minidev.json.JSONValue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author pthomas3
*/
public class AwsLambdaHandler {
protected static final Logger logger = LoggerFactory.getLogger(AwsLambdaHandler.class);
private static final String HTTP_METHOD = "httpMethod";
private static final String PATH = "path";
private static final String MULTI_PARAMS = "multiValueQueryStringParameters";
private static final String MULTI_HEADERS = "multiValueHeaders";
private static final String BODY = "body";
private static final String IS_BASE64_ENCODED = "isBase64Encoded";
private static final String STATUS_CODE = "statusCode";
private final ServerHandler handler;
public AwsLambdaHandler(ServerHandler handler) {
this.handler = handler;
}
public void handle(InputStream in, OutputStream out) throws IOException {
Map req = (Map) JSONValue.parse(in);
// logger.debug("request: {}", req);
String method = (String) req.get(HTTP_METHOD);
String path = (String) req.get(PATH);
Map> params = (Map) req.get(MULTI_PARAMS);
Map> headers = (Map) req.get(MULTI_HEADERS);
String body = (String) req.get(BODY);
Boolean isBase64Encoded = (Boolean) req.get(IS_BASE64_ENCODED);
Request request = new Request();
request.setMethod(method);
request.setPath(path);
request.setParams(params);
request.setHeaders(headers);
if (body != null) {
if (isBase64Encoded) {
request.setBody(Base64.getDecoder().decode(body));
} else {
request.setBody(FileUtils.toBytes(body));
}
}
Response response = handler.handle(request);
Map res = new HashMap(4);
res.put(STATUS_CODE, response.getStatus());
res.put(MULTI_HEADERS, response.getHeaders());
boolean isBinary = response.getResourceType().isBinary();
res.put(IS_BASE64_ENCODED, isBinary);
byte[] responseBody = response.getBody();
if (responseBody == null) {
body = null;
} else if (isBinary) {
body = Base64.getEncoder().encodeToString(responseBody);
} else {
body = FileUtils.toString(responseBody);
}
res.put(BODY, body);
out.write(JsonUtils.toJsonBytes(res));
}
}