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Allow the tomcat maxHttpHeaderSize to be changed in external config

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Prevents large SPNEGO headers from causing server errors for example.
Added the property to ServerProperties.

Fixes gh-931
This commit is contained in:
apoplexy 2014-05-22 11:33:10 +01:00 committed by Dave Syer
parent 0e2f9e74db
commit dfc1979ea2
2 changed files with 35 additions and 2 deletions
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26
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java
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@ -27,6 +27,7 @@ import org.apache.catalina.valves.AccessLogValve;
import org.apache.catalina.valves.RemoteIpValve;
import org.apache.coyote.AbstractProtocol;
import org.apache.coyote.ProtocolHandler;
import org.apache.coyote.http11.AbstractHttp11Protocol;
import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizerBeanPostProcessor;
@ -41,7 +42,7 @@ import org.springframework.util.StringUtils;
* {@link ConfigurationProperties properties} for a web server (e.g. port and path
* settings). Will be used to customize an {@link EmbeddedServletContainerFactory} when an
* {@link EmbeddedServletContainerCustomizerBeanPostProcessor} is active.
*
*
* @author Dave Syer
* @author Stephane Nicoll
*/
@ -145,6 +146,8 @@ public class ServerProperties implements EmbeddedServletContainerCustomizer {
private int maxThreads = 0; // Number of threads in protocol handler
private int maxHttpHeaderSize = 0; // bytes
private String uriEncoding;
public int getMaxThreads() {
@ -155,6 +158,14 @@ public class ServerProperties implements EmbeddedServletContainerCustomizer {
this.maxThreads = maxThreads;
}
public int getMaxHttpHeaderSize() {
return maxHttpHeaderSize;
}
public void setMaxHttpHeaderSize(int maxHttpHeaderSize) {
this.maxHttpHeaderSize = maxHttpHeaderSize;
}
public boolean getAccessLogEnabled() {
return this.accessLogEnabled;
}
@ -246,6 +257,19 @@ public class ServerProperties implements EmbeddedServletContainerCustomizer {
});
}
if (this.maxHttpHeaderSize > 0) {
factory.addConnectorCustomizers(new TomcatConnectorCustomizer() {
@Override
public void customize(Connector connector) {
ProtocolHandler handler = connector.getProtocolHandler();
if (handler instanceof AbstractHttp11Protocol) {
AbstractHttp11Protocol protocol = (AbstractHttp11Protocol) handler;
protocol.setMaxHttpHeaderSize(Tomcat.this.maxHttpHeaderSize);
}
}
});
}
if (this.accessLogEnabled) {
AccessLogValve valve = new AccessLogValve();
String accessLogPattern = getAccessLogPattern();

11
spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/ServerPropertiesTests.java
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@ -34,7 +34,7 @@ import static org.mockito.Mockito.verify;
/**
* Tests for {@link ServerProperties}.
*
*
* @author Dave Syer
* @author Stephane Nicoll
*/
@ -97,4 +97,13 @@ public class ServerPropertiesTests {
assertEquals("US-ASCII", this.properties.getTomcat().getUriEncoding());
}
@Test
public void testCustomizeTomcatHeaderSize() throws Exception {
Map<String, String> map = new HashMap<String, String>();
map.put("server.tomcat.maxHttpHeaderSize", "9999");
new RelaxedDataBinder(this.properties, "server").bind(new MutablePropertyValues(
map));
assertEquals(9999, this.properties.getTomcat().getMaxHttpHeaderSize());
}
}