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Issue #4645 - handle exceptions from all headers 

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>
This commit is contained in:
Lachlan Roberts 2020-03-11 18:41:41 +11:00
parent dbd89ce1c7
commit d5ee7b058b
1 changed files with 46 additions and 50 deletions
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38
jetty-server/src/main/java/org/eclipse/jetty/server/ForwardedRequestCustomizer.java
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@ -36,6 +36,8 @@ import org.eclipse.jetty.util.ArrayTrie;
import org.eclipse.jetty.util.HostPort;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.Trie;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import static java.lang.invoke.MethodType.methodType;
@ -62,6 +64,8 @@ import static java.lang.invoke.MethodType.methodType;
*/
public class ForwardedRequestCustomizer implements Customizer
{
private static final Logger LOG = Log.getLogger(ForwardedRequestCustomizer.class);
private HostPortHttpField _forcedHost;
private boolean _proxyAsAuthority = false;
private boolean _forwardedPortAsAuthority = true;
@ -380,11 +384,18 @@ public class ForwardedRequestCustomizer implements Customizer
try
{
for (HttpField field : httpFields)
{
try
{
MethodHandle handle = _handles.get(field.getName());
if (handle != null)
handle.invoke(forwarded, field);
}
catch (Throwable t)
{
onError(field, t);
}
}
}
catch (Throwable e)
{
@ -421,6 +432,12 @@ public class ForwardedRequestCustomizer implements Customizer
}
}
protected void onError(HttpField field, Throwable t)
{
LOG.warn("Exception while processing {}", field, t);
throw new BadMessageException("Bad header value for " + field.getName());
}
protected String getLeftMost(String headerValue)
{
if (headerValue == null)
@ -592,8 +609,6 @@ public class ForwardedRequestCustomizer implements Customizer
@SuppressWarnings("unused")
public void handleHost(HttpField field)
{
try
{
if (getForwardedPortAsAuthority() && !StringUtil.isEmpty(getForwardedPortHeader()))
{
@ -607,11 +622,6 @@ public class ForwardedRequestCustomizer implements Customizer
_host = new HostPort(getLeftMost(field.getValue()));
}
}
catch (Throwable t)
{
throw new BadMessageException("Bad header value for " + field.getName());
}
}
@SuppressWarnings("unused")
public void handleServer(HttpField field)
@ -630,8 +640,6 @@ public class ForwardedRequestCustomizer implements Customizer
@SuppressWarnings("unused")
public void handleFor(HttpField field)
{
try
{
String authority = getLeftMost(field.getValue());
if (!getForwardedPortAsAuthority() && !StringUtil.isEmpty(getForwardedPortHeader()))
@ -646,16 +654,9 @@ public class ForwardedRequestCustomizer implements Customizer
_for = new HostPort(authority);
}
}
catch (Throwable t)
{
throw new BadMessageException("Bad header value for " + field.getName());
}
}
@SuppressWarnings("unused")
public void handlePort(HttpField field)
{
try
{
int port = HostPort.parsePort(getLeftMost(field.getValue()));
if (!getForwardedPortAsAuthority())
@ -673,11 +674,6 @@ public class ForwardedRequestCustomizer implements Customizer
_host = new HostPort(HostPort.normalizeHost(_host.getHost()), port);
}
}
catch (Throwable t)
{
throw new BadMessageException("Bad header value for " + field.getName());
}
}
@SuppressWarnings("unused")
public void handleHttps(HttpField field)