Class ProxyDigestAuthenticator

java.lang.Object

org.glassfish.jersey.jdk.connector.internal.ProxyDigestAuthenticator

class ProxyDigestAuthenticator
extends Object

Generates a value of Authorization header of HTTP request for Digest Http Authentication scheme (RFC 2617).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static enum	ProxyDigestAuthenticator.Algorithm
(package private) final class	ProxyDigestAuthenticator.DigestScheme	Digest scheme POJO
private static enum	ProxyDigestAuthenticator.QOP

Field Summary

Fields

Modifier and Type	Field	Description
private static final Charset	CHARACTER_SET	Encoding used for authentication calculations.
private static final int	CLIENT_NONCE_BYTE_COUNT
private static final char[]	HEX_ARRAY
private static final Pattern	KEY_VALUE_PAIR_PATTERN
private static final Logger	logger
private SecureRandom	randomGenerator

Constructor Summary

Constructors

Constructor	Description
ProxyDigestAuthenticator()

Method Summary

Modifier and Type	Method	Description
private static void	append(StringBuilder sb, String key, String value)	Append comma separated key=value token.
private static void	append(StringBuilder sb, String key, String value, boolean useQuote)	Append comma separated key=value token
private static String	bytesToHex(byte[] bytes)	Convert bytes array to hex string.
private String	createNextAuthToken(ProxyDigestAuthenticator.DigestScheme ds, String uri, String method, String userName, String password)	Creates digest string including counter.
(package private) String	generateAuthorizationHeader(URI uri, String method, String authenticateHeader, String userName, String password)
private static String	md5(String... tokens)	Colon separated value MD5 hash.
private ProxyDigestAuthenticator.DigestScheme	parseAuthHeaders(String authHeader)	Parse digest header.
private String	randomBytes(int nbBytes)	Generate a random sequence of bytes and return its hex representation

Methods inherited from class Object

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

Field Details

CHARACTER_SET

private static final Charset CHARACTER_SET

Encoding used for authentication calculations.

logger

private static final Logger logger

HEX_ARRAY

private static final char[] HEX_ARRAY

KEY_VALUE_PAIR_PATTERN

private static final Pattern KEY_VALUE_PAIR_PATTERN

CLIENT_NONCE_BYTE_COUNT

private static final int CLIENT_NONCE_BYTE_COUNT

See Also:

• Constant Field Values

randomGenerator

private SecureRandom randomGenerator

Constructor Details

ProxyDigestAuthenticator

ProxyDigestAuthenticator()

Method Details

generateAuthorizationHeader

String generateAuthorizationHeader(URI uri,
 String method,
 String authenticateHeader,
 String userName,
 String password)
                            throws ProxyAuthenticationException

Throws:

ProxyAuthenticationException

parseAuthHeaders

private ProxyDigestAuthenticator.DigestScheme parseAuthHeaders(String authHeader)
                                                        throws IOException

Parse digest header.

Parameters:

authHeader - value of WWW-Authenticate header

Returns:

DigestScheme or null if no digest header exists.

Throws:

IOException

createNextAuthToken

private String createNextAuthToken(ProxyDigestAuthenticator.DigestScheme ds,
 String uri,
 String method,
 String userName,
 String password)
                            throws ProxyAuthenticationException

Creates digest string including counter.

Parameters:

ds - DigestScheme instance

uri - client request uri

Returns:

digest authentication token string

Throws:

ProxyAuthenticationException - if MD5 hash fails

append

private static void append(StringBuilder sb,
 String key,
 String value,
 boolean useQuote)

Append comma separated key=value token

Parameters:

sb - string builder instance

key - key string

value - value string

useQuote - true if value needs to be enclosed in quotes

append

private static void append(StringBuilder sb,
 String key,
 String value)

Append comma separated key=value token. The value gets enclosed in quotes.

Parameters:

sb - string builder instance

key - key string

value - value string

bytesToHex

private static String bytesToHex(byte[] bytes)

Convert bytes array to hex string.

Parameters:

bytes - array of bytes

Returns:

hex string

md5

private static String md5(String... tokens)
                   throws ProxyAuthenticationException

Colon separated value MD5 hash.

Parameters:

tokens - one or more strings

Returns:

M5 hash string

Throws:

ProxyAuthenticationException - if MD5 algorithm cannot be instantiated

randomBytes

private String randomBytes(int nbBytes)

Generate a random sequence of bytes and return its hex representation

Parameters:

nbBytes - number of bytes to generate

Returns:

hex string