org.apache.nifi.web.security.requests

Class ContentLengthFilter

java.lang.Object

org.apache.nifi.web.security.requests.ContentLengthFilter

All Implemented Interfaces:

javax.servlet.Filter

public class ContentLengthFilter
extends Object
implements javax.servlet.Filter

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	ContentLengthFilter.LimitedContentLengthRequest

Field Summary

Fields

Modifier and Type	Field and Description
private static List<String>	BYPASS_URI_PREFIXES
private static org.slf4j.Logger	logger
static int	MAX_LENGTH_DEFAULT
static String	MAX_LENGTH_INIT_PARAM
private int	maxContentLength

Constructor Summary

Constructors

Constructor and Description
ContentLengthFilter()

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
private static String	formatSize(int byteSize) Formats a value like 1048576 to 1 MB for easier human consumption.
int	getMaxContentLength() Returns the currently configured max content length in bytes.
void	init()
void	init(javax.servlet.FilterConfig config)
private boolean	isSubjectToFilter(javax.servlet.http.HttpServletRequest request) Returns true if this request is subject to the filter operation, false if not.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

private static final org.slf4j.Logger logger

MAX_LENGTH_INIT_PARAM

public static final String MAX_LENGTH_INIT_PARAM

See Also:

Constant Field Values

MAX_LENGTH_DEFAULT

public static final int MAX_LENGTH_DEFAULT

See Also:

Constant Field Values

maxContentLength

private int maxContentLength

BYPASS_URI_PREFIXES

private static final List<String> BYPASS_URI_PREFIXES

Constructor Detail

ContentLengthFilter

public ContentLengthFilter()

Method Detail

init

public void init()

init

public void init(javax.servlet.FilterConfig config)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

getMaxContentLength

public int getMaxContentLength()

Returns the currently configured max content length in bytes.

Returns:

the max content length

isSubjectToFilter

private boolean isSubjectToFilter(javax.servlet.http.HttpServletRequest request)

Returns true if this request is subject to the filter operation, false if not.

Parameters:

request - the incoming request

Returns:

true if this request should be filtered

formatSize

private static String formatSize(int byteSize)

Formats a value like 1048576 to 1 MB for easier human consumption.

Parameters:

byteSize - the size in bytes

Returns:

a String representing the size in the most appropriate unit, with the units