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Compatibility for ChainedServletFilter
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basil committed Sep 5, 2024
1 parent c530f2d commit 35863e2
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Showing 4 changed files with 136 additions and 13 deletions.
21 changes: 11 additions & 10 deletions core/src/main/java/hudson/security/ChainedServletFilter.java
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Expand Up @@ -24,28 +24,29 @@

package hudson.security;

import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import org.kohsuke.stapler.CompatibleFilter;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
* Servlet {@link Filter} that chains multiple {@link Filter}s.
*
* @author Kohsuke Kawaguchi
* @deprecated use {@link ChainedServletFilter2}
*/
public class ChainedServletFilter implements CompatibleFilter {
@Deprecated
public class ChainedServletFilter implements Filter {
// array is assumed to be immutable once set
protected volatile Filter[] filters;

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122 changes: 122 additions & 0 deletions core/src/main/java/hudson/security/ChainedServletFilter2.java
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@@ -0,0 +1,122 @@
/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

package hudson.security;

import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;

/**
* Servlet {@link Filter} that chains multiple {@link Filter}s.
*
* @author Kohsuke Kawaguchi
*/
public class ChainedServletFilter2 implements Filter {
// array is assumed to be immutable once set
protected volatile Filter[] filters;

public ChainedServletFilter2() {
filters = new Filter[0];
}

public ChainedServletFilter2(Filter... filters) {
this(Arrays.asList(filters));
}

public ChainedServletFilter2(Collection<? extends Filter> filters) {
setFilters(filters);
}

public void setFilters(Collection<? extends Filter> filters) {
this.filters = filters.toArray(new Filter[0]);
}

@Override
public void init(FilterConfig filterConfig) throws ServletException {
if (LOGGER.isLoggable(Level.FINEST))
for (Filter f : filters)
LOGGER.finest("ChainedServletFilter2 contains: " + f);

for (Filter f : filters)
f.init(filterConfig);
}

private static final Pattern UNINTERESTING_URIS = Pattern.compile("/(images|jsbundles|css|scripts|adjuncts)/|/favicon[.](ico|svg)|/ajax");

@Override
public void doFilter(ServletRequest request, ServletResponse response, final FilterChain chain) throws IOException, ServletException {
String uri = request instanceof HttpServletRequest ? ((HttpServletRequest) request).getRequestURI() : "?";
Level level = UNINTERESTING_URIS.matcher(uri).find() ? Level.FINER : Level.FINE;
LOGGER.log(level, () -> "starting filter on " + uri);

new FilterChain() {
private int position = 0;
// capture the array for thread-safety
private final Filter[] filters = ChainedServletFilter2.this.filters;

@Override
public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
if (position == filters.length) {
LOGGER.log(level, () -> uri + " end: " + status());
chain.doFilter(request, response);
} else {
Filter next = filters[position++];
try {
LOGGER.log(level, () -> uri + " @" + position + " " + next + " »");
next.doFilter(request, response, this);
LOGGER.log(level, () -> uri + " @" + position + " " + next + " « success: " + status());
} catch (IOException | ServletException | RuntimeException x) {
LOGGER.log(level, () -> uri + " @" + position + " " + next + " « " + x + ": " + status());
throw x;
}
}
}

private int status() {
return response instanceof HttpServletResponse ? ((HttpServletResponse) response).getStatus() : 0;
}
}.doFilter(request, response);

}

@Override
public void destroy() {
for (Filter f : filters)
f.destroy();
}

private static final Logger LOGGER = Logger.getLogger(ChainedServletFilter2.class.getName());
}
Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@ public Filter createFilter(FilterConfig filterConfig) {
// when using container-authentication we can't hit /login directly.
// we first have to hit protected /loginEntry, then let the container
// trap that into /login.
return new ChainedServletFilter(filters);
return new ChainedServletFilter2(filters);
}

/**
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4 changes: 2 additions & 2 deletions core/src/main/java/hudson/security/SecurityRealm.java
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Expand Up @@ -678,7 +678,7 @@ private Filter createFilterImpl(FilterConfig filterConfig) {
}
filters.add(new RememberMeAuthenticationFilter(sc.manager2, sc.rememberMe2));
filters.addAll(commonFilters());
return new ChainedServletFilter(filters);
return new ChainedServletFilter2(filters);
}

protected final List<Filter> commonFilters() {
Expand Down Expand Up @@ -781,7 +781,7 @@ public GroupDetails loadGroupByGroupname2(String groupname, boolean fetchMembers
*/
@Override
public Filter createFilter(FilterConfig filterConfig) {
return new ChainedServletFilter();
return new ChainedServletFilter2();
}

/**
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