Package pyxmpp2 :: Package sasl :: Module digest_md5 :: Class DigestMD5ServerAuthenticator

Class DigestMD5ServerAuthenticator

Provides DIGEST-MD5 SASL authentication for a server.

Nested Classes

Inherited from core.ServerAuthenticator: __metaclass__

Instance Methods

__init__(self, password_manager)
Initialize a DigestMD5ServerAuthenticator object.

sasl.Challenge, sasl.Success or sasl.Failure

start(self, response)
Start the authentication process.

sasl.Challenge, sasl.Success or sasl.Failure

response(self, response)
Process a client reponse.

sasl.Challenge, sasl.Success or sasl.Failure

_parse_response(self, response)
Parse a client reponse and pass to further processing.

sasl.Challenge, sasl.Success or sasl.Failure

_check_params(self, username, realm, cnonce, digest_uri, response_val, authzid, nonce_count)
Check parameters of a client reponse and pass them to further processing.

sasl.Challenge, sasl.Success or sasl.Failure

_make_final_challenge(self, username, realm, cnonce, digest_uri, response_val, authzid, nonce_count)
Send the second challenge in reply to the client response.

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables

__abstractmethods__ = frozenset([])

_abc_cache = <_weakrefset.WeakSet object at 0x88d7c0c>

_pyxmpp_sasl_preference = 50

_pyxmpp_sasl_secure = 70

Inherited from core.ServerAuthenticator (private): _abc_negative_cache, _abc_negative_cache_version, _abc_registry

Properties

Inherited from object: __class__

Method Details

init(self, password_manager)
(Constructor)

Initialize a DigestMD5ServerAuthenticator object.

Parameters:

password_manager (PasswordManager) - name of the password manager object providing authentication credential verification.

Overrides: object.__init__

start(self, response)

Start the authentication process.

Parameters:

response (bytes) - the initial response from the client (empty for DIGEST-MD5).

Returns: sasl.Challenge, sasl.Success or sasl.Failure

a challenge, a success indicator or a failure indicator.

Overrides: core.ServerAuthenticator.start

response(self, response)

Process a client reponse.

Parameters:

response (bytes) - the response from the client.

Returns: sasl.Challenge, sasl.Success or sasl.Failure

a challenge, a success indicator or a failure indicator.

Overrides: core.ServerAuthenticator.response

_parse_response(self, response)

Parse a client reponse and pass to further processing.

Parameters:

response (bytes) - the response from the client.

Returns: sasl.Challenge, sasl.Success or sasl.Failure

a challenge, a success indicator or a failure indicator.

_check_params(self, username, realm, cnonce, digest_uri, response_val, authzid, nonce_count)

Check parameters of a client reponse and pass them to further processing.

Parameters:

username (bytes) - user name.
realm (bytes) - realm.
cnonce (bytes) - cnonce value.
digest_uri (bytes) - digest-uri value.
response_val (bytes) - response value computed by the client.
authzid (bytes) - authorization id.
nonce_count (int) - nonce count value.

Returns: sasl.Challenge, sasl.Success or sasl.Failure

a challenge, a success indicator or a failure indicator.

_make_final_challenge(self, username, realm, cnonce, digest_uri, response_val, authzid, nonce_count)

Send the second challenge in reply to the client response.

Parameters:

username (unicode) - user name.
realm (unicode) - realm.
cnonce (bytes) - cnonce value.
digest_uri (bytes) - digest-uri value.
response_val (bytes) - response value computed by the client.
authzid (unicode) - authorization id.
nonce_count (int) - nonce count value.

Returns: sasl.Challenge, sasl.Success or sasl.Failure

a challenge, a success indicator or a failure indicator.