HttpRequestInformationProcessor.java
/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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 org.apache.synapse.commons.emulator.http.producer;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.cookie.ClientCookieEncoder;
import io.netty.handler.codec.http.cookie.DefaultCookie;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.commons.emulator.http.dsl.HttpProducerContext;
import org.apache.synapse.commons.emulator.http.dsl.dto.Cookie;
import org.apache.synapse.commons.emulator.http.dsl.dto.Header;
import org.apache.synapse.commons.emulator.http.dsl.dto.producer.IncomingMessage;
import java.net.URI;
public class HttpRequestInformationProcessor {
private static final Log log = LogFactory.getLog(HttpRequestInformationProcessor.class);
public HttpRequest populateHttpRequest(HttpProducerContext producerContext, IncomingMessage incomingMessage)
throws Exception {
String uri = getURI(producerContext.getHost(), producerContext.getPort(), incomingMessage);
URI requestUri = new URI(uri);
producerContext.host(requestUri.getHost());
String scheme = requestUri.getScheme();
if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
log.error("Only HTTP(S) is supported.");
//Need to log
}
HttpRequest request = new DefaultFullHttpRequest(
HttpVersion.HTTP_1_1, incomingMessage.getMethod(), requestUri.getRawPath());
populateHeader(request, requestUri.getHost(), incomingMessage);
populateCookies(request, incomingMessage);
return request;
}
private void populateHeader(HttpRequest request, String host, IncomingMessage incomingMessage) {
request.headers().set(HttpHeaders.Names.HOST, host);
request.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
request.headers().set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
if (incomingMessage.getBody() != null) {
request.headers().set(HttpHeaders.Names.CONTENT_LENGTH, incomingMessage.getBody().getBytes()
.length);
}
if (incomingMessage.getHeaders() != null) {
for (Header header : incomingMessage.getHeaders()) {
request.headers().set(header.getName(), header.getValue());
}
}
}
private void populateCookies(HttpRequest request, IncomingMessage incomingMessage) {
if (incomingMessage.getCookies() != null) {
DefaultCookie[] cookies = new DefaultCookie[incomingMessage.getCookies().size()];
int i = 0;
for (Cookie cookie : incomingMessage.getCookies()) {
cookies[i++] = new DefaultCookie(cookie.getName(), cookie.getValue());
}
request.headers().set(
HttpHeaders.Names.COOKIE,
ClientCookieEncoder.STRICT.encode(cookies));
}
}
private String getURI(String host, int port, IncomingMessage incomingMessage) {
String path = incomingMessage.getPath();
String uri = host + ":" + port;
if (path.startsWith("/")) {
uri = uri + path;
} else {
uri = uri + "/" + path;
}
return uri;
}
}