npm install -g n
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// Create new configuration that specifies the error correction | |
Map<EncodeHintType, ErrorCorrectionLevel> hints = new HashMap<EncodeHintType, ErrorCorrectionLevel>(); | |
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); | |
QRCodeWriter writer = new QRCodeWriter(); | |
BitMatrix bitMatrix = null; | |
ByteArrayOutputStream baos = new ByteArrayOutputStream(); | |
try { | |
// Create a qr code with the url as content and a size of 250x250 px |
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public class AjaxAwareAuthenticationEntryPoint extends LoginUrlAuthenticationEntryPoint { | |
public AjaxAwareAuthenticationEntryPoint(String loginFormUrl) { | |
super(loginFormUrl); | |
} | |
@Override | |
public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException { | |
String ajaxHeader = ((HttpServletRequest) request).getHeader("X-Requested-With"); | |
if ("XMLHttpRequest".equals(ajaxHeader)) { | |
response.sendError(HttpServletResponse.SC_FORBIDDEN, "Ajax Request Denied (Session Expired)"); |