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80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
/*
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* Copyright [2022] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.wisemapping.filter;
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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.HttpServletResponse;
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/**
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*
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* If your wisemapping customization throws cross domain errores in browser, you can configure this filter in webdefault.xml
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* By default it will accept all domains, but you can restrict to the domain you need
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*
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* <filter>
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* <filter-name>cross-origin</filter-name>
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* <filter-class>com.wisemapping.filter.CorsFilter</filter-class>
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* <init-param>
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* <param-name>allowedOrigins</param-name>
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* <param-value>*</param-value>
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* </init-param>
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* <init-param>
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* <param-name>allowedMethods</param-name>
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* <param-value>GET,POST,HEAD</param-value>
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* </init-param>
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* <init-param>
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* <param-name>allowedHeaders</param-name>
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* <param-value>X-Requested-With,Content-Type,Accept,Origin</param-value>
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* </init-param>
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* </filter>
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* <filter-mapping>
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* <filter-name>cross-origin</filter-name>
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* <url-pattern>/*</url-pattern>
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* </filter-mapping>
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*
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*/
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public class CorsFilter implements Filter {
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@Override
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public void init(FilterConfig filterConfig) throws ServletException {
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}
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@Override
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain)
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throws IOException, ServletException {
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if (servletResponse != null) {
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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, OPTIONS, HEAD, PUT, POST");
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}
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chain.doFilter(servletRequest, servletResponse);
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}
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@Override
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public void destroy() {
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}
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}
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