63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
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package greenH5.util;
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import java.io.IOException;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* Servlet Filter implementation class CORSFilter
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*/
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// Enable it for Servlet 3.x implementations
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/* @ WebFilter(asyncSupported = true, urlPatterns = { "/*" }) */
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public class AjaxFilter implements Filter {
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/**
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* @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
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*/
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain)
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throws IOException, ServletException {
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HttpServletRequest request = (HttpServletRequest) servletRequest;
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String urlString = request.getRequestURL().toString();
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if (urlString.contains("greenH5/workbench/default.jsp")) {
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return;
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}
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// Authorize (allow) all domains to consume the content
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((HttpServletResponse) servletResponse).addHeader("Access-Control-Allow-Origin", "*");
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((HttpServletResponse) servletResponse).addHeader("Access-Control-Allow-Methods","GET, POST");
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((HttpServletResponse) servletResponse).addHeader("Access-Control-Allow-Headers", "Content-Type,token,u");
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String method = request.getMethod();
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// For HTTP OPTIONS verb/method reply with ACCEPTED status code -- per CORS handshake
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if ("OPTIONS".equals(method)) {
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HttpServletResponse resp = (HttpServletResponse) servletResponse;
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resp.setStatus(HttpServletResponse.SC_OK);
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return;
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}
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// pass the request along the filter chain
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chain.doFilter(request, servletResponse);
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}
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/**
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* @see Filter#init(FilterConfig)
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*/
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public void init(FilterConfig fConfig) throws ServletException {
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// TODO Auto-generated method stub
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}
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public void destroy() {
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// TODO Auto-generated method stub
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}
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}
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