관리자 – 페이지 2

javascript로 이중저장/결제 방지

Posted on 2022-06-24Updated on 2022-06-24by 관리자카테고리:jsp 샘픔

Remark : 한페이지에서 Ajax 로 데이타 저장시 시간이 많이 걸릴 경우, 버튼이중 클릭시 중복저장됩니다. 버튼 disable 처리는 속성처리라 한번만 가능 ajax async: false 는 추천하지 않는 방식. 버튼에 vaule=”0″ 값 주어 처리

JMX APIs

Posted on 2021-12-30Updated on 2021-12-30by 관리자카테고리:Uncategorized

Remark : JMX Monitoring Java Management Extensions (JMX) is a technology that lets you implement management interfaces for Java applications. JConsole is a JMX-compliant monitoring tool, which comes with the Java Development Kit (JDK) 1.5 or later versions. Therefore, when you use a WSO2 product, JMX is enabled by default, which allows you to …
JMX APIs 더보기

Log4j

Posted on 2021-12-27Updated on 2021-12-27by 관리자카테고리:Uncategorized

Remark : 프로그램의 로그를 기록해주는 라이브러리로 이클립스, IntelliJ IDEA, 안드로이드 스튜디오 드에 추가 해서 프로그램 실행시 자동으로 지정한 경로에 로그를 저장해 주는 기능 취약점 발견 : JNDI와 LDAP를 이용한 Log4J 취약점 이용 막기 : vi /etc/environment 추가

CentOS7 아파치(Apache2) 톰캣(Tomcat8) 연동

Posted on 2021-02-26Updated on 2022-11-18by 관리자카테고리:Uncategorized

remark : WAS (톱켓) 8080 포트 대신 80 포트로 변환기하 위해 Tomcat Connectors 인 mod_jk를 세팅해 보자. 1. Download Site link : https://tomcat.apache.org/download-connectors.cgi 2. Download /tmp 3. tar 풀기 4. configure 명령어를 이용해서 make 파일 생성 4.1 Error solution 4.2 mod_jk.so file check 5. mod_jk.conf configuration 6. workers.properties configuration 7. Tomcat8 server.xml configuration add 8. …
CentOS7 아파치(Apache2) 톰캣(Tomcat8) 연동 더보기

사이트 Open SSL letsencrypt 세팅 오류

Posted on 2021-01-11Updated on 2021-01-11by 관리자카테고리:Eclipse 에러 해결

Overview 사이트 Open SSL letsencrypt 세팅 오류 원인 톱켓에서 포트가 다르기 때문에 letsencrypt 에러가 발생 한다.

root@localhost:/# sudo certbot --apache -d test.test.co.kr

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator apache, Installer apache
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for test.test.co.kr
Enabled Apache rewrite module
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. test.test.co.kr (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://test.test.co.kr/.well-known/acme-challenge/4VLsecxgL5gDxQz8u5UriG6T7ZieAGkSp9ELg1[111.111.111.111]: "<!doctype html><html lang=\"en\"><head><title>HTTP Status 404 \u2013 Not Found</title><style type=\"text/css\">h1 {font-family:Tahoma,A"

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: test.test.co.kr
   Type:   unauthorized
   Detail: Invalid response from
   http://test.test.co.kr/.well-known/acme-challenge/4VLsecxgL5gDxQz8u5UriG6T7ZieAGkSp9ELg1
   [111.111.111.111]: "<!doctype html><html lang=\"en\"><head><title>HTTP
   Status 404 – Not Found</title><style type=\"text/css\">h1
   {font-family:Tahoma,A"

   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A/AAAA record(s) for that domain
   contain(s) the right IP address.

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root@localhost:/# sudo certbot --apache -d test.test.co.kr

Saving debug log to /var/log/letsencrypt/letsencrypt.log

Plugins selected: Authenticator apache, Installer apache

Obtaining a new certificate

Performing the following challenges:

http-01 challenge for test.test.co.kr

Enabled Apache rewrite module

Waiting for verification...

Cleaning up challenges

Failed authorization procedure. test.test.co.kr (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://test.test.co.kr/.well-known/acme-challenge/4VLsecxgL5gDxQz8u5UriG6T7ZieAGkSp9ELg1[111.111.111.111]: "<!doctype html><html lang=\"en\"><head><title>HTTP Status 404 \u2013 Not Found</title><style type=\"text/css\">h1 {font-family:Tahoma,A"

IMPORTANT NOTES:

- The following errors were reported by the server:

Domain: test.test.co.kr

Type: unauthorized

Detail: Invalid response from

http://test.test.co.kr/.well-known/acme-challenge/4VLsecxgL5gDxQz8u5UriG6T7ZieAGkSp9ELg1

[111.111.111.111]: "<!doctype html><html lang=\"en\"><head><title>HTTP

Status 404 – Not Found</title><style type=\"text/css\">h1

{font-family:Tahoma,A"

To fix these errors, please make sure that your domain name was

entered correctly and the DNS A/AAAA record(s) for that domain

contain(s) the right IP address.

[html] explore 에서 화면이 깨지는 경우

Posted on 2020-11-12Updated on 2021-12-01by 관리자카테고리:html 표준

chrome 에서 이상 없으나 explore 에서 화면이 깨지는 경우 아래 meta 테그 추가 하면 됩니다.

<meta http-equiv="X-UA-Compatible" content="IE=Edge;" />

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그래도 깨지는 경우 맨위에 dtd 추가 하면 됩니다.

[java] Transformations sample

Posted on 2020-11-04Updated on 2020-11-04by 관리자카테고리:java xslt 샘플

html 로 보기 persons.xml

<breakfast_menu>

<food>
<name>Belgian Waffles</name>
<price>$5.95</price>
<description>Two of our famous Belgian Waffles with plenty of real maple syrup</description>
<calories>650</calories>
</food>

<food>
<name>Strawberry Belgian Waffles</name>
<price>$7.95</price>
<description>Light Belgian waffles covered with strawberries and whipped cream</description>
<calories>900</calories>
</food>

<food>
<name>Berry-Berry Belgian Waffles</name>
<price>$8.95</price>
<description>Light Belgian waffles covered with an assortment of fresh berries and whipped cream</description>
<calories>900</calories>
</food>

<food>
<name>French Toast</name>
<price>$4.50</price>
<description>Thick slices made from our homemade sourdough bread</description>
<calories>600</calories>
</food>

<food>
<name>Homestyle Breakfast</name>
<price>$6.95</price>
<description>Two eggs, bacon or sausage, toast, and our ever-popular hash browns</description>

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<breakfast_menu>

<food>

<name>Belgian Waffles</name>

<description>Two of our famous Belgian Waffles with plenty of real maple syrup</description>

</food>

<food>

<name>Strawberry Belgian Waffles</name>

<description>Light Belgian waffles covered with strawberries and whipped cream</description>

</food>

<food>

<name>Berry-Berry Belgian Waffles</name>

<description>Light Belgian waffles covered with an assortment of fresh berries and whipped cream</description>

</food>

<food>

<name>French Toast</name>

<description>Thick slices made from our homemade sourdough bread</description>

</food>

<food>

<name>Homestyle Breakfast</name>

<description>Two eggs, bacon or sausage, toast, and our ever-popular hash browns</description>

persons.xsl

<?xml version="1.0" encoding="UTF-8"?>
<html xsl:version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<body style="font-family:Arial;font-size:12pt;background-color:#EEEEEE">
<xsl:for-each select="breakfast_menu/food">
  <div style="background-color:teal;color:white;padding:4px">
    <span style="font-weight:bold"><xsl:value-of select="name"/> - </span>
    <xsl:value-of select="price"/>
    </div>
  <div style="margin-left:20px;margin-bottom:1em;font-size:10pt">
    <p>
    <xsl:value-of select="description"/>
    <span style="font-style:italic"> (<xsl:value-of select="calories"/> calories per serving)</span>
    </p>
  </div>
</xsl:for-each>
</body>
</html>

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<?xml version="1.0" encoding="UTF-8"?>

<xsl:for-each select="breakfast_menu/food">

<xsl:value-of select="price"/>

</div>

<p>

<xsl:value-of select="description"/>

<span style="font-style:italic"> (<xsl:value-of select="calories"/> calories per serving)</span>

</p>

</div>

</xsl:for-each>

</body>

</html>

XsltTransformation.java

import org.w3c.dom.Document;
 
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.File;

public class XsltTransformation {

	private static Document document;
	
	public static void main(String[] args)  throws Exception {

		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		 
	    File xml = new File("D:\\persons.xml");
	    File xsl = new File("D:\\persons.xsl");
	 
	    DocumentBuilder builder = factory.newDocumentBuilder();
	    document = builder.parse(xml);
	 
	    // Use a Transformer for output
	    TransformerFactory transformerFactory = TransformerFactory.newInstance();
	    StreamSource style = new StreamSource(xsl);
	    Transformer transformer = transformerFactory.newTransformer(style);
	 
	    DOMSource source = new DOMSource(document);
	    StreamResult result = new StreamResult(System.out);
	    transformer.transform(source, result);
	}

}

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import org.w3c.dom.Document;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamResult;

import javax.xml.transform.stream.StreamSource;

import java.io.File;

public class XsltTransformation {

private static Document document;

public static void main(String[] args) throws Exception {

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

File xml = new File("D:\\persons.xml");

File xsl = new File("D:\\persons.xsl");

DocumentBuilder builder = factory.newDocumentBuilder();

document = builder.parse(xml);

// Use a Transformer for output

TransformerFactory transformerFactory = TransformerFactory.newInstance();

StreamSource style = new StreamSource(xsl);

Transformer transformer = transformerFactory.newTransformer(style);

DOMSource source = new DOMSource(document);

StreamResult result = new StreamResult(System.out);

transformer.transform(source, result);

}

[jsp] The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path

Posted on 2020-11-03by 관리자카테고리:Eclipse 에러 해결

The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path 1. 작성중 프로젝트 폴더에서 왼쪽 마우스 -> Properties 선택 2. Proejct Facets -> java -> Runtimes 의 Apache Tomcet v8.0 버전 체크 후 APPLY

[java] HttpURLConnection Get post 로 날려 값 받기

Posted on 2020-10-30by 관리자카테고리:jsp 샘픔

package test02;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.io.PrintWriter;
import java.io.StringWriter;


public class test01 {

	private static final String USER_AGENT = "Mozilla/5.0";

	private static final String GET_URL = "https://data.auctionpro.co.kr/airline?code=ke";
	private static final String POST_URL = "https://data.auctionpro.co.kr/airline";

	private static final String POST_PARAMS = "code=oz";

	public static void main(String[] args) throws IOException {

		sendGET();
		System.out.println("GET DONE");
		
		sendPOST();
		System.out.println("POST DONE");
	}

	private static void sendGET() throws IOException {
		URL obj = new URL(GET_URL);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();

		try {
			con.setRequestMethod("GET");
			con.setRequestProperty("User-Agent", USER_AGENT);
			con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
			con.setRequestProperty("Content-Length", "length");
	        //con.setRequestProperty("Accept-Charset", "UTF-8"); 
			int responseCode = con.getResponseCode();
			
			//GET Response Code :: 200
			System.out.println("GET Response Code :: " + responseCode);
			
			if (responseCode == HttpURLConnection.HTTP_OK) { // success
				BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(),"UTF-8"));
				String inputLine = null;
				StringBuffer response = new StringBuffer();
	
				while ((inputLine = in.readLine()) != null) {
					response.append(inputLine).append("\r\n");
				   }
				in.close();
				
				// print result
				System.out.println(response.toString());
			} else {
				System.out.println("GET request not worked");
			}
		
		} catch (Exception e) {
			StringWriter sw = new StringWriter();
			PrintWriter pw = new PrintWriter(sw);
			e.printStackTrace(pw);
			sw.toString(); // stack trace as a string
			System.out.println(sw.toString());
			
        } finally {
            if (con != null) {
            	con.disconnect();
            }
        }

	}

	private static void sendPOST() throws IOException {
		URL obj = new URL(POST_URL);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		
		try {
				con.setRequestMethod("POST");
				con.setRequestProperty("User-Agent", USER_AGENT);
		
				// For POST only - START
				con.setDoOutput(true);
				OutputStream os = con.getOutputStream();
				os.write(POST_PARAMS.getBytes());
				os.flush();
				os.close();
				// For POST only - END
		
				int responseCode = con.getResponseCode();
				System.out.println("POST Response Code :: " + responseCode);
		
				if (responseCode == HttpURLConnection.HTTP_OK) { //success
					BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(),"UTF-8"));
					String inputLine;
					StringBuffer response = new StringBuffer();
		
					while ((inputLine = in.readLine()) != null) {
						response.append(inputLine).append("\r\n");;
					}
					in.close();
		
					// print result
					System.out.println(response.toString());
				} else {
					System.out.println("POST request not worked");
				}
			} catch (Exception e) {
				StringWriter sw = new StringWriter();
				PrintWriter pw = new PrintWriter(sw);
				e.printStackTrace(pw);
				sw.toString(); // stack trace as a string
				System.out.println(sw.toString());
				
		    } finally {
		        if (con != null) {
		        	con.disconnect();
		        }
		    }
	}

}

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package test02;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import java.io.PrintWriter;

import java.io.StringWriter;

public class test01 {

private static final String USER_AGENT = "Mozilla/5.0";

private static final String GET_URL = "https://data.auctionpro.co.kr/airline?code=ke";

private static final String POST_URL = "https://data.auctionpro.co.kr/airline";

private static final String POST_PARAMS = "code=oz";

public static void main(String[] args) throws IOException {

sendGET();

System.out.println("GET DONE");

sendPOST();

System.out.println("POST DONE");

}

private static void sendGET() throws IOException {

URL obj = new URL(GET_URL);

HttpURLConnection con = (HttpURLConnection) obj.openConnection();

try {

con.setRequestMethod("GET");

con.setRequestProperty("User-Agent", USER_AGENT);

con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");

con.setRequestProperty("Content-Length", "length");

//con.setRequestProperty("Accept-Charset", "UTF-8");

int responseCode = con.getResponseCode();

//GET Response Code :: 200

System.out.println("GET Response Code :: " + responseCode);

if (responseCode == HttpURLConnection.HTTP_OK) { // success

BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(),"UTF-8"));

String inputLine = null;

StringBuffer response = new StringBuffer();

while ((inputLine = in.readLine()) != null) {

response.append(inputLine).append("\r\n");

}

in.close();

// print result

System.out.println(response.toString());

} else {

System.out.println("GET request not worked");

}

} catch (Exception e) {

StringWriter sw = new StringWriter();

PrintWriter pw = new PrintWriter(sw);

e.printStackTrace(pw);

sw.toString(); // stack trace as a string

System.out.println(sw.toString());

} finally {

if (con != null) {

con.disconnect();

}

private static void sendPOST() throws IOException {

URL obj = new URL(POST_URL);

HttpURLConnection con = (HttpURLConnection) obj.openConnection();

try {

con.setRequestMethod("POST");

con.setRequestProperty("User-Agent", USER_AGENT);

// For POST only - START

con.setDoOutput(true);

OutputStream os = con.getOutputStream();

os.write(POST_PARAMS.getBytes());

os.flush();

os.close();

// For POST only - END

int responseCode = con.getResponseCode();

System.out.println("POST Response Code :: " + responseCode);

if (responseCode == HttpURLConnection.HTTP_OK) { //success

BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream(),"UTF-8"));

String inputLine;

StringBuffer response = new StringBuffer();

while ((inputLine = in.readLine()) != null) {

response.append(inputLine).append("\r\n");;

}

in.close();

// print result

System.out.println(response.toString());

} else {

System.out.println("POST request not worked");

}

} catch (Exception e) {

StringWriter sw = new StringWriter();

PrintWriter pw = new PrintWriter(sw);

e.printStackTrace(pw);

sw.toString(); // stack trace as a string

System.out.println(sw.toString());

} finally {

if (con != null) {

con.disconnect();

}

[jsp] 페이지 이동 방법

Posted on 2020-10-30by 관리자카테고리:jsp 샘픔

페이지 이동 방법 1. Forward – request 스코프에 담긴 값이 다음 페이지에 전달된다. – 이동된 페이지지 주소가 화면에 안보임(기존 페이지 주소와 같음)

1) <% pageContext.forward("https://google.com"); %>

2) <jsp:forward page="https://google.com"/>;

3) <% RequestDispatcher rd = request.getRequestDispatcher("https://google.com");
      rd.forward(request.response);
   %>

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1) <% pageContext.forward("https://google.com"); %>

2) <jsp:forward page="https://google.com"/>;

3) <% RequestDispatcher rd = request.getRequestDispatcher("https://google.com");

rd.forward(request.response);

%>

2. Redirect – 클라이언트가 새로운 페이지를 요청한 것과 같이 페이지 이동 – 이동된 페이지지 주소가 화면에 보임(기존 페이지 주소와 다름)

<%
	response.sendRedirect("https://www.google.com");
%>

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<%

response.sendRedirect("https://www.google.com");

%>

참조 : https://installed.tistory.com/entry/8-JSP-%ED%8A%B9%EC%A0%95%ED%8E%98%EC%9D%B4%EC%A7%80%EB%A1%9C-%EC%9D%B4%EB%8F%99%EB%B0%A9%EB%B2%95