1 | package edu.gjoko.schedlr.config;
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2 |
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3 | import org.springframework.security.core.GrantedAuthority;
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4 | import org.springframework.security.core.context.SecurityContextImpl;
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5 | import org.springframework.security.core.userdetails.UserDetails;
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6 | import org.springframework.util.StringUtils;
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7 | import org.springframework.web.filter.GenericFilterBean;
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8 |
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9 | import javax.servlet.FilterChain;
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10 | import javax.servlet.ServletException;
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11 | import javax.servlet.ServletRequest;
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12 | import javax.servlet.ServletResponse;
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13 | import javax.servlet.http.HttpServletRequest;
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14 | import javax.servlet.http.HttpSession;
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15 | import java.io.IOException;
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16 | import java.util.Collection;
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17 | import java.util.HashMap;
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18 | import java.util.Map;
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19 |
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20 | public class AppFilter extends GenericFilterBean {
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21 | @Override
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22 | public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
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23 | HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
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24 | HttpSession session = httpServletRequest.getSession(false);
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25 |
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26 | if(httpServletRequest.getRequestURI().endsWith(".js")
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27 | || httpServletRequest.getRequestURI().endsWith(".css")
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28 | || httpServletRequest.getRequestURI().startsWith("/api")) {
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29 | filterChain.doFilter(servletRequest, servletResponse);
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30 | return;
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31 | }
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32 | if(session != null) {
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33 | Map<String, String> roleTargetUrlMap = new HashMap<>();
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34 | roleTargetUrlMap.put("ADMIN", "/admin");
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35 | roleTargetUrlMap.put("CUSTOMER", "/homepage");
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36 | roleTargetUrlMap.put("BUSINESS_OWNER", "/business_homepage");
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37 | SecurityContextImpl sci = (SecurityContextImpl) session.getAttribute("SPRING_SECURITY_CONTEXT");
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38 | if(sci != null) {
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39 | UserDetails userDetails = (UserDetails) sci.getAuthentication().getPrincipal();
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40 | final Collection<? extends GrantedAuthority> authorities = userDetails.getAuthorities();
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41 | for (final GrantedAuthority grantedAuthority : authorities) {
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42 | String authorityName = grantedAuthority.getAuthority();
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43 | String page = "";
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44 | switch (authorityName) {
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45 | case "ADMIN":
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46 | page = "/admin";
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47 | break;
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48 | case "CUSTOMER":
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49 | case "BUSINESS_OWNER":
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50 | page = "/homepage";
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51 | break;
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52 | default:
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53 | break;
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54 | }
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55 | if(page != null && !page.trim().isEmpty()) {
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56 | servletRequest.getRequestDispatcher(page).forward(servletRequest, servletResponse);
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57 | return;
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58 | }
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59 | }
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60 | }
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61 | }
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62 | filterChain.doFilter(servletRequest, servletResponse);
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63 | }
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64 | }
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