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Voovan is a java framwork and it not depends on any third-party framework.
package org.voovan.http.message;
import org.voovan.http.message.packet.*;
import org.voovan.http.server.context.WebContext;
import org.voovan.network.IoSession;
import org.voovan.tools.buffer.TByteBuffer;
import org.voovan.tools.TString;
import org.voovan.tools.exception.MemoryReleasedException;
import org.voovan.tools.log.Logger;
import org.voovan.tools.security.THash;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Vector;
/**
* HTTP 请求对象
*
* GET 请求获取Request-URI所标识的资源 POST 在Request-URI所标识的资源后附加新的数据 HEAD
* 请求获取由Request-URI所标识的资源的响应消息报头 PUT 请求服务器存储一个资源，并用Request-URI作为其标识 DELETE
* 请求服务器删除Request-URI所标识的资源 TRACE 请求服务器回送收到的请求信息，主要用于测试或诊断 CONNECT 保留将来使用
* OPTIONS 请求查询服务器的性能，或者查询与资源相关的选项和需求
*
* @author helyho
*
* Voovan Framework.
* WebSite: https://github.com/helyho/Voovan
* Licence: Apache v2 License
*/
public class Request {
private RequestProtocol protocol;
private Header header;
private List cookies;
private Body body;
private List parts;
private String boundary;
protected boolean basicSend = false;
private Long mark = 0l;
private static final String CONTENT_TYPE = "Content-Type";
/**
* HTTP 请求的枚举对象
*
* @author helyho
*
*/
public enum RequestType {
BODY_URLENCODED, BODY_MULTIPART, NORMAL
}
/**
* 构造函数
*
* @param request 请求对象
*/
protected Request(Request request) {
init(request);
}
public void init(Request request){
this.protocol = request.protocol;
this.header = request.header;
this.body = request.body;
this.cookies = request.cookies;
this.parts = request.parts;
this.basicSend = false;
this.mark = request.mark;
}
/**
* 构造函数
*/
public Request() {
protocol = new RequestProtocol();
header = new Header();
cookies = new Vector();
body = new Body();
parts = new Vector();
this.basicSend = false;
}
/**
* 获取协议对象
*
* @return 请求协议对象
*/
public RequestProtocol protocol() {
return protocol;
}
public Long getMark() {
return mark;
}
public void setMark(Long mark) {
this.mark = mark;
}
/**
* 获取 Header 对象
*
* @return HTTP-Header 对象
*/
public Header header() {
return header;
}
/**
* 获取所有的Cookies对象,返回一个 List
*
* @return Cookie 对象
*/
public List cookies() {
return cookies;
}
/**
* 获取 Body 对象
*
* @return Body对象
*/
public Body body() {
return body;
}
/**
* 获取所有的 Part 对象,返回一个 List
*
* @return POST 请求报文对象
*/
public List parts() {
return parts;
}
/**
* 获取请求类型
*
* @return RequestType枚举
*/
public RequestType getBodyType() {
if (header.get(CONTENT_TYPE) != null) {
if (header.get(CONTENT_TYPE).contains("application/x-www-form-urlencoded")) {
return RequestType.BODY_URLENCODED;
} else if (header.get(CONTENT_TYPE).contains("multipart/form-data")) {
return RequestType.BODY_MULTIPART;
}
}
return RequestType.NORMAL;
}
/**
* 获取QueryStirng 或 将参数拼装成QueryString
* @param charset 字符集
* @return 请求字符串
*/
public String getQueryString(String charset) {
String queryString = "";
//请求路径内包含的参数
queryString = protocol.getQueryString();
// POST_URLENCODED 请求类型的处理
if (getBodyType() == RequestType.BODY_URLENCODED ) {
queryString = queryString+"&"+body.getBodyString();
}
// POST_MULTIPART 请求类型的处理
else if (getBodyType() == RequestType.BODY_MULTIPART) {
StringBuilder result = new StringBuilder();
for (Part part : parts) {
if (part.getType() == Part.PartType.TEXT) {
String name = part.header().get("name");
String value = null;
if(!part.body().isFile()) {
value = part.body().getBodyString(charset);
} else {
value = part.header().get("filename");
}
result.append(name);
result.append("=");
result.append(value);
result.append("&");
}
}
queryString = TString.removeSuffix( queryString+"&"+result.toString() );
}
if(queryString.startsWith("&")){
queryString = TString.removePrefix(queryString);
}
try {
return queryString.isEmpty()? null : URLDecoder.decode(queryString, WebContext.getWebServerConfig().getCharacterSet());
} catch (UnsupportedEncodingException e) {
return null;
}
}
/**
* 根据内容构造一些必要的 Header 属性
* 这里不按照请求方法组装必要的头信息,而是根据 Body 和 parts 对象的内容组装必要的头信息
*/
private void initHeader() {
//如果之前设置过 ContentType 则不自动设置 ContentType
if(!header.contain(CONTENT_TYPE)){
// 如果请求中包含 Part 的处理
if (!parts.isEmpty()) {
// 产生新的boundary备用
String contentType = "multipart/form-data;";
header.put(CONTENT_TYPE, contentType);
}else if(body.size()>0){
header.put(CONTENT_TYPE, "application/x-www-form-urlencoded");
}
}
if("multipart/form-data;".equals(header.get(CONTENT_TYPE))){
boundary = THash.encryptBASE64(TString.generateId(this));
header.put(CONTENT_TYPE, TString.assembly(header.get(CONTENT_TYPE), " boundary=", boundary));
}
if (body.size() > 0) {
header.put("Content-Length", Long.toString(body.size()));
}
//生成 Cookie 信息
String cookieValue = genCookie();
if(!TString.isNullOrEmpty(cookieValue)){
header.put("Cookie", genCookie());
}
}
/**
* 根据 Cookie 对象,生成 HTTP 请求中的 Cookie 字符串 用于报文拼装
*
* @return 获取 Cookie 字符串
*/
private String genCookie() {
StringBuilder cookieString = new StringBuilder();
for (Cookie cookie : cookies) {
cookieString.append(cookie.getName());
cookieString.append("=");
cookieString.append(cookie.getValue());
cookieString.append("; ");
}
return cookieString.toString();
}
/**
* 根据对象的内容,构造 Http 请求报文
*
* @return Http 请求报文
*/
private ByteBuffer readHead() {
StringBuilder stringBuilder = new StringBuilder();
initHeader();
stringBuilder.append(protocol.toString());
stringBuilder.append(header.toString());
stringBuilder.append("\r\n");
try {
return ByteBuffer.wrap(stringBuilder.toString().getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
Logger.error("Response.readHead io error",e);
return null;
}
}
/**
* 发送数据
* @param session socket 会话对象
* @throws IOException IO异常
*/
public void send(IoSession session) throws IOException {
int readSize = 0;
//发送报文头
ByteBuffer byteBuffer = null;
try{
try {
byteBuffer = readHead();
} catch (Throwable e){
if(!(e instanceof MemoryReleasedException)){
Logger.error("Response writeToChannel error: ", (Exception) e);
}
}
if(byteBuffer == null){
return;
}
//发送报文头
session.send(byteBuffer);
//发送缓冲区
byteBuffer = TByteBuffer.allocateDirect();
// 有 BodyBytes 时直接写入包体
if (body.size() > 0) {
while(true) {
readSize = body.read(byteBuffer);
if (readSize == -1) {
break;
}
session.send(byteBuffer);
byteBuffer.clear();
}
}
byteBuffer.clear();
// 有 parts 时按 parts 的格式写入 parts
if(!parts.isEmpty()) {
// Content-Type存在
if (parts.size() != 0) {
if(boundary == null){
boundary = THash.encryptBASE64(TString.generateId(this));
}
// 获取 multiPart 标识
for (Part part : this.parts) {
//发送 part 报文
part.send(session, boundary);
}
//发送结尾标识
byteBuffer.put(TString.assembly("--" + boundary + "--").getBytes());
byteBuffer.flip();
session.send(byteBuffer);
byteBuffer.clear();
// POST结束不需要空行标识结尾
}
}
basicSend = true;
} catch (Throwable e){
if(!(e instanceof MemoryReleasedException)){
Logger.error("Response writeToChannel error: ", (Exception) e);
}
return;
} finally {
if(byteBuffer!=null) {
TByteBuffer.release(byteBuffer);
}
clear();
}
}
public void release(){
for (Part part : this.parts) {
part.body().release();
}
body.release();
}
/**
* 清理
*/
public void clear(){
this.header().clear();
this.cookies().clear();
this.protocol().clear();
this.body().clear();
this.parts().clear();
this.mark = 0l;
}
@Override
public String toString() {
return new String(TByteBuffer.toString(readHead()));
}
}
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