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Feature/#1 web server #37

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Feature/#1 web server #37

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ad7d250
Modify - WebServer 클래스
qlsdud0604 Oct 18, 2022
200387a
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
1685fad
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
22c929a
Modify #1 - form.html
qlsdud0604 Oct 18, 2022
60a4bbe
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
b4fdd69
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
b635f2c
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
f89538e
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
110e043
Modify #1 - RequestHandler 클래스
qlsdud0604 Oct 18, 2022
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172 changes: 159 additions & 13 deletions src/main/java/webserver/RequestHandler.java
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Original file line number Diff line number Diff line change
@@ -1,13 +1,19 @@
package webserver;

import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.*;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Collection;
import java.util.Map;

import db.DataBase;
import model.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import util.HttpRequestUtils;
import util.IOUtils;


public class RequestHandler extends Thread {
private static final Logger log = LoggerFactory.getLogger(RequestHandler.class);
Expand All @@ -19,25 +25,165 @@ public RequestHandler(Socket connectionSocket) {
}

public void run() {
log.debug("New Client Connect! Connected IP : {}, Port : {}", connection.getInetAddress(),
connection.getPort());

try (InputStream in = connection.getInputStream(); OutputStream out = connection.getOutputStream()) {
// TODO 사용자 요청에 대한 처리는 이 곳에 구현하면 된다.
DataOutputStream dos = new DataOutputStream(out);
byte[] body = "Hello World".getBytes();
response200Header(dos, body.length);
responseBody(dos, body);
BufferedReader br = new BufferedReader(new InputStreamReader(in, "UTF-8"));
String line = br.readLine();
log.debug("===== request line : {} =====", line); // 요청 라인

if (line == null) {
return;
}

String[] tokens = line.split(" ");
int contentLength = 0;
boolean logined = false;
while (!line.equals("")) {
line = br.readLine();
log.debug("header : {}", line);

if (line.contains("Content-Length")) {
contentLength = getContentLength(line);
}

if (line.contains("Cookie")) {
logined = isLogin(line);
}
}

String url = tokens[1];

if (url.equals("/user/create")) {
String body = IOUtils.readData(br, contentLength);
Map<String, String> params = HttpRequestUtils.parseQueryString(body);

User user = new User(
params.get("userId"),
params.get("password"),
params.get("name"),
params.get("email")
);
DataBase.addUser(user);
log.debug("user : {}", user);

DataOutputStream dos = new DataOutputStream(out);
response302Header(dos, "/index.html");
} else if (url.equals("/user/login")) {
String body = IOUtils.readData(br, contentLength);
Map<String, String> params = HttpRequestUtils.parseQueryString(body);

User user = DataBase.findUserById(params.get("userId"));

if (user == null) {
responseResource(out, "/user/login_failed.html");
return;
}

if (user.getPassword().equals(params.get("password"))) {
DataOutputStream dos = new DataOutputStream(out);
response302LoginSuccessHeader(dos);
} else {
responseResource(out, "/user/login_failed.html");
}

} else if (url.equals("/user/list")) {
if (!logined) {
responseResource(out, "/user/login.html");
return;
}

Collection<User> users = DataBase.findAll();
StringBuilder sb = new StringBuilder();
sb.append("<table border='1'>");
for (User user : users) {
sb.append("<tr>");
sb.append("<td>" + user.getUserId() + "</td>");
sb.append("<td>" + user.getName() + "</td>");
sb.append("<td>" + user.getEmail() + "</td>");
sb.append("</tr>");
}
sb.append("</table>");

byte[] body = sb.toString().getBytes(StandardCharsets.UTF_8);
DataOutputStream dos = new DataOutputStream(out);
response200Header(dos, body.length);
responseBody(dos, body);
} else if (url.endsWith(".css")) {
DataOutputStream dos = new DataOutputStream(out);
byte[] body = Files.readAllBytes(new File("./webapp" + url).toPath());
response200CssHeader(dos, body.length);
responseBody(dos, body);
} else {
responseResource(out, url);
}

} catch (IOException e) {
log.error(e.getMessage());
}
}

private void response200CssHeader(DataOutputStream dos, int lengthOfBodyContent) {
try {
dos.writeBytes("HTTP/1.1 200 OK \r\n");
dos.writeBytes("Content-Type: text/css \r\n");
dos.writeBytes("Content-Length: " + lengthOfBodyContent + " \r\n");
dos.writeBytes("\r\n");
} catch (IOException e) {
log.error(e.getMessage());
}
}

private boolean isLogin(String line) {
String[] tokens = line.split(":");
Map<String, String> cookies = HttpRequestUtils.parseCookies(tokens[1].trim());
String value = cookies.get("logined");

if (value == null) {
return false;
}

return Boolean.parseBoolean(value);
}

private void responseResource(OutputStream out, String url) throws IOException {
DataOutputStream dos = new DataOutputStream(out);
byte[] body = Files.readAllBytes(new File("./webapp" + url).toPath());
response200Header(dos, body.length);
responseBody(dos, body);
}

private void response302LoginSuccessHeader(DataOutputStream dos) {
try {
dos.writeBytes("HTTP/1.1 302 Redirect \r\n");
dos.writeBytes("Set-Cookie: logined=true \r\n");
dos.writeBytes("Location: /index.html \r\n");
dos.writeBytes("\r\n");
} catch (IOException e) {
log.error(e.getMessage());
}
}

private void response302Header(DataOutputStream dos, String url) {
try {
dos.writeBytes("HTTP/1.1 302 Redirect \r\n");
dos.writeBytes("Location: " + url + " \r\n");
dos.writeBytes("\r\n");
} catch (IOException e) {
log.error(e.getMessage());
}
}

private int getContentLength(String line) {
String[] tokens = line.split(":");

return Integer.parseInt(tokens[1].trim());
}

private void response200Header(DataOutputStream dos, int lengthOfBodyContent) {
try {
dos.writeBytes("HTTP/1.1 200 OK \r\n");
dos.writeBytes("Content-Type: text/html;charset=utf-8\r\n");
dos.writeBytes("Content-Length: " + lengthOfBodyContent + "\r\n");
dos.writeBytes("Content-Type: text/html;charset=utf-8 \r\n");
dos.writeBytes("Content-Length: " + lengthOfBodyContent + " \r\n");
dos.writeBytes("\r\n");
} catch (IOException e) {
log.error(e.getMessage());
Expand Down
1 change: 0 additions & 1 deletion src/main/java/webserver/WebServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,6 @@ public static void main(String args[]) throws Exception {
}

// 서버소켓을 생성한다. 웹서버는 기본적으로 8080번 포트를 사용한다.

try (ServerSocket listenSocket = new ServerSocket(port)) {
log.info("Web Application Server started {} port.", port);

Expand Down
2 changes: 1 addition & 1 deletion webapp/user/form.html
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@
<div class="container" id="main">
<div class="col-md-6 col-md-offset-3">
<div class="panel panel-default content-main">
<form name="question" method="get" action="/user/create">
<form name="question" method="post" action="/user/create">
<div class="form-group">
<label for="userId">사용자 아이디</label>
<input class="form-control" id="userId" name="userId" placeholder="User ID">
Expand Down