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Tests for L{twisted.cred._digest} and the associated bits in
L{twisted.cred.credentials}.
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networkString)�TestCasec C s t �| ��� S )N)�base64� b64encode�strip)�s� r �C/usr/lib/python3/dist-packages/twisted/cred/test/test_digestauth.pyr s r c s0 e Zd ZdZ� fdd�Zdd� Zdd� Z� ZS )�FakeDigestCredentialFactoryz\
A Fake Digest Credential Factory that generates a predictable
nonce and opaque
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Generate a static nonce
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Return a stable time
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L{TestCase} mixin class which defines a number of tests for
L{DigestCredentialFactory}. Because this mixin defines C{setUp}, it
must be inherited before L{TestCase}.
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Create a DigestCredentialFactory for testing
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test realm� md5s 29fc54aa1641c6fa0e151419361c8f23� auths /write/�TCPz10.2.3.4iu� � GETN) �username�password�realm� algorithm�cnonce�qop�urir �
clientAddress�methodr �credentialFactoryr r r r �setUp? s zDigestAuthTests.setUpr+ c C sT d}t || j| j| j|| j�}d�| j| j| jf�}t||��� �}| �||� dS )z�
L{calcHA1} accepts the C{'md5'} algorithm and returns an MD5 hash of
its parameters, excluding the nonce and cnonce.
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_algorithm�_hash�nonce�hashA1�a1�expectedr r r �test_MD5HashA1N s �z DigestAuthTests.test_MD5HashA1c C s~ d}t d| j| j| j|| j�}| jd | j d | j }tt|��� �}|d | d | j }tt|��� �}| �||� dS )z�
L{calcHA1} accepts the C{'md5-sess'} algorithm and returns an MD5 hash
of its parameters, including the nonce and cnonce.
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L{calcHA1} accepts the C{'sha'} algorithm and returns a SHA hash of its
parameters, excluding the nonce and cnonce.
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L{calcHA2} accepts the C{'md5'} algorithm and returns an MD5 hash of
its arguments, excluding the entity hash for QOP other than
C{'auth-int'}.
r. r, Nr: �r r5 r r< r= )r r> r? r7 �hashA2�a2rC r r r �test_MD5HashA2Authq s
z"DigestAuthTests.test_MD5HashA2Authc C sP d}d}t ||| jd|�}|d | j d | }t||��� �}| �||� dS )z�
L{calcHA2} accepts the C{'md5'} algorithm and returns an MD5 hash of
its arguments, including the entity hash for QOP of C{'auth-int'}.
r. s foobarbazs auth-intr: NrL )r r> r? r7 �hentityrM rN rC r r r �test_MD5HashA2AuthInt} s z%DigestAuthTests.test_MD5HashA2AuthIntc C � | � d� dS )z�
L{calcHA2} accepts the C{'md5-sess'} algorithm and QOP of C{'auth'} and
returns the same value as it does for the C{'md5'} algorithm.
rE N)rO r r r r �test_MD5SessHashA2Auth� � z&DigestAuthTests.test_MD5SessHashA2Authc C rR )z�
L{calcHA2} accepts the C{'md5-sess'} algorithm and QOP of C{'auth-int'}
and returns the same value as it does for the C{'md5'} algorithm.
rE N)rQ r r r r �test_MD5SessHashA2AuthInt� rT z)DigestAuthTests.test_MD5SessHashA2AuthIntc C rH )z�
L{calcHA2} accepts the C{'sha'} algorithm and returns a SHA hash of
its arguments, excluding the entity hash for QOP other than
C{'auth-int'}.
rI N)rO r r r r r �test_SHAHashA2Auth� � z"DigestAuthTests.test_SHAHashA2Authc C rH )z�
L{calcHA2} accepts the C{'sha'} algorithm and returns a SHA hash of
its arguments, including the entity hash for QOP of C{'auth-int'}.
rI N)rQ r r r r r �test_SHAHashA2AuthInt� rK z%DigestAuthTests.test_SHAHashA2AuthIntc C sT d}d}d}|d | d | }t ||��� �}t||||ddd�}| �||� dS )z�
L{calcResponse} accepts the C{'md5'} algorithm and returns an MD5 hash
of its parameters, excluding the nonce count, client nonce, and QoP
value if the nonce count and client nonce are L{None}
� abc123� 789xyz� lmnopqr: N�r r< r
r= ) r r> r? rA rM r@ �responserC r< r r r �test_MD5HashResponse� s z$DigestAuthTests.test_MD5HashResponsec C rR )z�
L{calcResponse} accepts the C{'md5-sess'} algorithm and returns an MD5
hash of its parameters, excluding the nonce count, client nonce, and
QoP value if the nonce count and client nonce are L{None}
rE N)r^ r r r r �test_MD5SessionHashResponse� � z+DigestAuthTests.test_MD5SessionHashResponsec C rH )z�
L{calcResponse} accepts the C{'sha'} algorithm and returns a SHA hash
of its parameters, excluding the nonce count, client nonce, and QoP
value if the nonce count and client nonce are L{None}
rI N)r^ r r r r r �test_SHAHashResponse� rW z$DigestAuthTests.test_SHAHashResponsec C sx d}d}d}d}d}d}|d | d | d | d | d | } t || ��� �}
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L{calcResponse} accepts the C{'md5'} algorithm and returns an MD5 hash
of its parameters, including the nonce count, client nonce, and QoP
value if they are specified.
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nonceCount� clientNoncer4 r] rC r< r r r �test_MD5HashResponseExtra� sB �������� �
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L{calcResponse} accepts the C{'md5-sess'} algorithm and returns an MD5
hash of its parameters, including the nonce count, client nonce, and
QoP value if they are specified.
rE N)rd r r r r � test_MD5SessionHashResponseExtra� r` z0DigestAuthTests.test_MD5SessionHashResponseExtrac C rH )z�
L{calcResponse} accepts the C{'sha'} algorithm and returns a SHA hash
of its parameters, including the nonce count, client nonce, and QoP
value if they are specified.
rI N)rd r r r r r �test_SHAHashResponseExtra� rW z)DigestAuthTests.test_SHAHashResponseExtraTc s� d|vr | j |d< d|vr| j|d< d|vr| j|d< d|vr$| j|d< d|vr-| j|d< d|vr6| j|d< |r;d� nd� d �� fd
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Format all given keyword arguments and their values suitably for use as
the value of an HTTP header.
@types quotes: C{bool}
@param quotes: A flag indicating whether to quote the values of each
field in the response.
@param **kw: Keywords and C{bytes} values which will be treated as field
name/value pairs to include in the result.
@rtype: C{bytes}
@return: The given fields formatted for use as an HTTP header value.
r/ r1 r2 r4 r3 r5 � "� s , c s0 g | ]\}}|d urd� t|�d� |� f��qS )Nrh � =)r; r
)�.0�k�v��quoter r �
<listcomp> s
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��z DigestAuthTests.formatResponsec C sh |� d�}|� d��� }|� d�}t|| j| j| j|| j�}t|d| j|d�}t |||||| j|�}|S )z@
Calculate the response for the given challenge
r@ r2 r4 r. N)
�get�lowerr r/ r1 r0 r3 r r5 r
) r � challenge�ncountr@ �algor4 rF �ha2rC r r r �getDigestResponse s
�z!DigestAuthTests.getDigestResponsec C sz | j �| jj�}d}| j||d | �||�||d d�}| j �|| j| jj�}| �|� | j
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L{DigestCredentialFactory.decode} accepts a digest challenge response
and parses it into an L{IUsernameHashedPassword} provider.
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assertTrue�
checkPasswordr0 � assertFalse)r rq rv r} �clientResponse�credsr r r �
test_response. s
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L{DigestCredentialFactory.decode} accepts a digest challenge response
which does not quote the values of its fields and parses it into an
L{IUsernameHashedPassword} provider in the same way it would a
response which included quoted field values.
FN)r� r r r r �test_responseWithoutQuotesC s z*DigestAuthTests.test_responseWithoutQuotesc C s d| _ | �d� dS )z�
L{DigestCredentialFactory.decode} accepts a digest challenge response
which quotes the values of its fields and includes a C{b","} in the URI
field.
s /some,path/TN)r5 r� r r r r �test_responseWithCommaURIL s z)DigestAuthTests.test_responseWithCommaURIc C s d| _ | �� dS )zs
The case of the algorithm value in the response is ignored when
checking the credentials.
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The algorithm defaults to MD5 if it is not supplied in the response.
Nr� r r r r �test_md5DefaultAlgorithm] s z(DigestAuthTests.test_md5DefaultAlgorithmc C sp | j �d�}d}| j|d | �||�||d d�}| j �|| jd�}| �|�| j�� | � |�| jd �� dS )z�
L{DigestCredentialFactory.decode} accepts a digest challenge response
even if the client address it is passed is L{None}.
Nr{ r@ r| �r@ r] r} r| r~ )
r8 r� rs rz r� r7 r� r� r0 r� �r rv r} r� r� r r r � test_responseWithoutClientIPd s
�z,DigestAuthTests.test_responseWithoutClientIPc C s� | j �| jj�}d}| j|d | �||�||d d�}| j �|| j| jj�}| �|� | j
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L{DigestCredentialFactory.decode} handles multiple responses to a
single challenge.
r{ r@ r| r� r~ s 00000002Nr r� r r r �test_multiResponsev s2
� �
� �z"DigestAuthTests.test_multiResponsec C sv | j �| jj�}d}| j|d | �||�||d d�}| j �|d| jj�}| �|�| j �� | �|�| j d �� dS )a&
L{DigestCredentialFactory.decode} returns an L{IUsernameHashedPassword}
provider which rejects a correct password for the given user if the
challenge response request is made using a different HTTP method than
was used to request the initial challenge.
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r8 r� r6 r� rs rz r� r� r� r0 r� r r r � test_failsWithDifferentMethod� s
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�z-DigestAuthTests.test_failsWithDifferentMethodc C sl | � t| jj| jdd�| j| jj�}| �t |�d� | � t| jj| jdd�| j| jj�}| �t |�d� dS )z�
L{DigestCredentialFactory.decode} raises L{LoginFailed} if the response
has no username field or if the username field is empty.
N)r/ z$Invalid response, no username given.rh �
� assertRaisesr r8 r� rs r7 r6 r� r= �str�r �er r r �test_noUsername� s
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�z DigestAuthTests.test_noUsernamec C s8 | � t| jj| jdd�| j| jj�}| �t |�d� dS )zo
L{DigestCredentialFactory.decode} raises L{LoginFailed} if the response
has no nonce.
rY )r| z!Invalid response, no nonce given.Nr� r� r r r � test_noNonce� s
�z DigestAuthTests.test_noNoncec C s4 | � t| jj| �� | j| jj�}| �t |�d� dS )zp
L{DigestCredentialFactory.decode} raises L{LoginFailed} if the response
has no opaque.
z"Invalid response, no opaque given.Nr� r� r r r �
test_noOpaque� s �z DigestAuthTests.test_noOpaquec C s� | j �| jj�}d}| j|d | �||�||d d�}| j �|| j| jj�}| �t t
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L{DigestCredentialFactory.decode} returns an L{IUsernameDigestHash}
provider which can verify a hash of the form 'username:realm:password'.
r{ r@ r| r� r: r~ N)r8 r� r6 r� rs rz r� r7 r� r r r/ r1 r0 r � checkHashr r< �updater� )r rv r} r� r� � cleartext�hashr r r �test_checkHash� s"
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L{DigestCredentialFactory.decode} raises L{LoginFailed} when the opaque
value does not contain all the required parts.
s badOpaquer@ z&Invalid response, invalid opaque values foo-s nonce,clientiprh � ,r* z,Invalid response, invalid opaque/time valuesN)r r2 r1 r� r6 r� r� r �
_verifyOpaquer= r� r r; r
)r r8 rv �exc� badOpaquer r r �test_invalidOpaque� sP � �����z"DigestAuthTests.test_invalidOpaquec C s� t | j| j�}|�| jj�}|�d| jj�}| �t|j ||d | jj�}| �
t |�d� | �t|j |d| jj�}| �
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L{DigestCredentialFactory.decode} raises L{LoginFailed} when the given
nonce from the response does not match the nonce encoded in the opaque.
s
1234567890r@ z2Invalid response, incompatible opaque/nonce valuesrh N) r r2 r1 r� r6 r� �_generateOpaquer� r r� r= r� )r r8 rv �badNonceOpaquer� r r r �test_incompatibleNonce1 s* ���z&DigestAuthTests.test_incompatibleNoncec C s` t | j| j�}|�| jj�}d}| �| jj|� |�|d |�}| �t |j
||d | jj� dS )z�
L{DigestCredentialFactory.decode} raises L{LoginFailed} when the
request comes from a client IP other than what is encoded in the
opaque.
z10.0.0.1r@ N) r r2 r1 r� r6 r� �assertNotEqualr� r� r r� )r r8 rv �
badAddressr� r r r �test_incompatibleClientIPO s ��z)DigestAuthTests.test_incompatibleClientIPc C s� t | j| j�}|�| jj�}d�|d t| jj�df�}tt ||j
�� � �}t |�}d�||�
d�f�}| �t|j||d | jj� dS )z�
L{DigestCredentialFactory.decode} raises L{LoginFailed} when the given
opaque is older than C{DigestCredentialFactory.CHALLENGE_LIFETIME_SECS}
r� r@ s
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N)r r2 r1 r� r6 r� r; r
r r r r< r r r� r r� )r r8 rv �keyr< �ekey�oldNonceOpaquer r r �
test_oldNonceh s ��z DigestAuthTests.test_oldNoncec C s~ t | j| j�}|�| jj�}d�|d t| jj�df�}tt |d ��
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L{DigestCredentialFactory.decode} raises L{LoginFailed} when the opaque
checksum fails verification.
r� r@ r s this is not the right pkeyr� N)r r2 r1 r� r6 r� r; r
r r r< r r� r r� )r r8 rv r� r< � badChecksumr r r � test_mismatchedOpaqueChecksum� s ��z-DigestAuthTests.test_mismatchedOpaqueChecksumc C s6 d}|D ]\}}}}| j ttd|||dd|d� qdS )z�
L{calcHA1} raises L{TypeError} when any of the pszUsername, pszRealm,
or pszPassword arguments are specified with the preHA1 keyword
argument.
))s user� realm� password� preHA1)Nr� Nr� )NNr� r� r+ s nonces cnonce)�preHA1N)r� � TypeErrorr )r � arguments� pszUsername�pszRealm� pszPasswordr� r r r � test_incompatibleCalcHA1Options� s ��z/DigestAuthTests.test_incompatibleCalcHA1Optionsc C s | j �dd�}| �d|� dS )z�
L{DigestCredentialFactory._generateOpaque} returns a value without
newlines, regardless of the length of the nonce.
sn long nonce long nonce long nonce long nonce long nonce long nonce long nonce long nonce long nonce long nonce Nr� )r8 r� � assertNotIn)r r| r r r �test_noNewlineOpaque� s z$DigestAuthTests.test_noNewlineOpaqueN)T)*r$ r% r& r' r9 r rD rG rJ rO rQ rS rU rV rX r^ r_ ra rd re rf rs rz r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r) 8 sN
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