Package pyxmpp :: Package sasl :: Module digest_md5 :: Class DigestMD5ServerAuthenticator
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Class DigestMD5ServerAuthenticator

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core.ServerAuthenticator --+
                           |
                          DigestMD5ServerAuthenticator

Provides DIGEST-MD5 SASL authentication for a server.
Instance Methods [hide private]
 
__init__(self, password_manager)
Initialize a DigestMD5ServerAuthenticator object.
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sasl.Challenge, sasl.Success or sasl.Failure
start(self, response)
Start the authentication process.
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sasl.Challenge, sasl.Success or sasl.Failure
response(self, response)
Process a client reponse.
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sasl.Challenge, sasl.Success or sasl.Failure
_parse_response(self, response)
Parse a client reponse and pass to further processing.
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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.
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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.
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Method Details [hide private]

__init__(self, password_manager)
(Constructor)

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Initialize a DigestMD5ServerAuthenticator object.
Parameters:
  • password_manager (: PasswordManager) - : name of the password manager object providing authentication credential verification.
Overrides: core.ServerAuthenticator.__init__

start(self, response)

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Start the authentication process.
Parameters:
  • response (: str) - : 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)

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Process a client reponse.
Parameters:
  • response (: str) - : 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)

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Parse a client reponse and pass to further processing.
Parameters:
  • response (: str) - : 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)

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Check parameters of a client reponse and pass them to further processing.
Parameters:
  • username (: str) - : user name.
  • realm (: str) - : realm.
  • cnonce (: str) - : cnonce value.
  • digest_uri (: str) - : digest-uri value.
  • response_val (: str) - : response value computed by the client.
  • authzid (: str) - : 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)

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Send the second challenge in reply to the client response.
Parameters:
  • username (: str) - : user name.
  • realm (: str) - : realm.
  • cnonce (: str) - : cnonce value.
  • digest_uri (: str) - : digest-uri value.
  • response_val (: str) - : response value computed by the client.
  • authzid (: str) - : 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.