Exemple #1
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    def save(self, *args, **kw):
        """
       Make sure a SliceSecret exists for this slice
       """

        from syndicate_observer import syndicatelib

        # get observer private key
        config = syndicatelib.get_config()

        try:
            observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
            observer_pkey_pem = syndicatelib.get_private_key_pem(
                observer_pkey_path)
        except:
            raise syndicatelib.SyndicateObserverError(
                "Internal Syndicate Observer error: failed to load Observer private key"
            )

        # get or create the slice secret
        slice_secret = syndicatelib.get_or_create_slice_secret(
            observer_pkey_pem, None, slice_fk=self.slice_id)

        if slice_secret is None:
            raise SyndicateObserverError(
                "Failed to get or create slice secret for %s" %
                self.slice_id.name)

        super(VolumeSlice, self).save(*args, **kw)
Exemple #2
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    def pre_save(self, model_inst, add):
        """
       Encrypt the value with the Observer key
       """

        from syndicate_observer import syndicatelib

        # get observer private key
        config = syndicatelib.get_config()

        try:
            observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
            observer_pkey_pem = syndicatelib.get_private_key_pem(
                observer_pkey_path)
        except:
            raise syndicatelib.SyndicateObserverError(
                "Internal Syndicate Observer error: failed to load Observer private key"
            )

        slice_secret = getattr(model_inst, self.attname)

        if slice_secret is not None:

            # encrypt it
            sealed_slice_secret = syndicatelib.encrypt_slice_secret(
                observer_pkey_pem, slice_secret)

            return ObserverSecretValue.serialize(sealed_slice_secret)

        else:
            raise syndicatelib.SyndicateObserverError(
                "Internal Syndicate Observer error: No slice secret generated")
Exemple #3
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 def pre_save( self, model_inst, add ):
    """
    Encrypt the value with the Observer key
    """
    
    from syndicate_observer import syndicatelib 
    
    # get observer private key
    config = syndicatelib.get_config()
    
    try:
       observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
       observer_pkey_pem = syndicatelib.get_private_key_pem( observer_pkey_path )
    except:
       raise syndicatelib.SyndicateObserverError( "Internal Syndicate Observer error: failed to load Observer private key" )
    
    slice_secret = getattr(model_inst, self.attname )
    
    if slice_secret is not None:
       
       # encrypt it 
       sealed_slice_secret = syndicatelib.encrypt_slice_secret( observer_pkey_pem, slice_secret )
       
       return ObserverSecretValue.serialize( sealed_slice_secret )
    
    else:
       raise syndicatelib.SyndicateObserverError( "Internal Syndicate Observer error: No slice secret generated" )
Exemple #4
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    def to_python(self, secret_str):
        """
       Decrypt the value with the Observer key
       """

        # is this in the clear?
        if not ObserverSecretValue.is_encrypted(secret_str):
            # nothing to do
            return secret_str

        # otherwise, decrypt it
        from syndicate_observer import syndicatelib

        # get observer private key
        config = syndicatelib.get_config()

        try:
            observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
            observer_pkey_pem = syndicatelib.get_private_key_pem(
                observer_pkey_path)
        except:
            raise syndicatelib.SyndicateObserverError(
                "Internal Syndicate Observer error: failed to load Observer private key"
            )

        # deserialize
        secret_str = ObserverSecretValue.unserialize(secret_str)

        # decrypt
        if secret_str is not None and len(secret_str) > 0:

            slice_secret = syndicatelib.decrypt_slice_secret(
                observer_pkey_pem, secret_str)

            if slice_secret is not None:
                return slice_secret

            else:
                raise syndicatelib.SyndicateObserverError(
                    "Internal Syndicate Observer error: failed to decrypt slice secret value"
                )
        else:
            return None
Exemple #5
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 def save(self, *args, **kw):
    """
    Make sure a SliceSecret exists for this slice
    """
    
    from syndicate_observer import syndicatelib
    
    # get observer private key
    config = syndicatelib.get_config()
    
    try:
       observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
       observer_pkey_pem = syndicatelib.get_private_key_pem( observer_pkey_path )
    except:
       raise syndicatelib.SyndicateObserverError( "Internal Syndicate Observer error: failed to load Observer private key" )
    
    # get or create the slice secret 
    slice_secret = syndicatelib.get_or_create_slice_secret( observer_pkey_pem, None, slice_fk=self.slice_id )
    
    if slice_secret is None:
       raise SyndicateObserverError( "Failed to get or create slice secret for %s" % self.slice_id.name )
    
    super(VolumeSlice, self).save(*args, **kw)
Exemple #6
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 def to_python( self, secret_str ):
    """
    Decrypt the value with the Observer key
    """
    
    # is this in the clear?
    if not ObserverSecretValue.is_encrypted( secret_str ):
       # nothing to do
       return secret_str
    
    # otherwise, decrypt it
    from syndicate_observer import syndicatelib
    
    # get observer private key
    config = syndicatelib.get_config()
    
    try:
       observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
       observer_pkey_pem = syndicatelib.get_private_key_pem( observer_pkey_path )
    except:
       raise syndicatelib.SyndicateObserverError( "Internal Syndicate Observer error: failed to load Observer private key" )
    
    # deserialize 
    secret_str = ObserverSecretValue.unserialize( secret_str )
    
    # decrypt
    if secret_str is not None and len(secret_str) > 0:
       
       slice_secret = syndicatelib.decrypt_slice_secret( observer_pkey_pem, secret_str )
       
       if slice_secret is not None:
          return slice_secret 
       
       else:
          raise syndicatelib.SyndicateObserverError( "Internal Syndicate Observer error: failed to decrypt slice secret value" )
    else:
       return None