Python Credential.sign方法代码示例

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import sign [as 别名]
    def _getCredentialRaw(self):
        """
        Get our current credential directly from the local registry.
        """

        hrn = self.hrn
        auth_hrn = self.auth.get_authority(hrn)
    
        # is this a root or sub authority
        if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
            auth_hrn = hrn
        auth_info = self.auth.get_auth_info(auth_hrn)
        # xxx although unlikely we might want to check for a potential leak
        dbsession=self.dbsession()
        from sfa.storage.model import RegRecord
        record = dbsession.query(RegRecord).filter_by(type='authority+sa', hrn=hrn).first()
        if not record:
            raise RecordNotFound(hrn)
        type = record.type
        object_gid = record.get_gid_object()
        new_cred = Credential(subject = object_gid.get_subject())
        new_cred.set_gid_caller(object_gid)
        new_cred.set_gid_object(object_gid)
        new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
        
        r1 = determine_rights(type, hrn)
        new_cred.set_privileges(r1)
        new_cred.encode()
        new_cred.sign()

        return new_cred

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import sign [as 别名]
    def get_auth_cred(self, xrn, kind="authority"):
        hrn, type = urn_to_hrn(xrn) 
        auth_info = self.get_auth_info(hrn)
        gid = auth_info.get_gid_object()

        cred = Credential(subject=hrn)
        cred.set_gid_caller(gid)
        cred.set_gid_object(gid)
        cred.set_privileges(kind)
        cred.get_privileges().delegate_all_privileges(True)
        #cred.set_pubkey(auth_info.get_gid_object().get_pubkey())

        parent_hrn = get_authority(hrn)
        if not parent_hrn or hrn == self.config.SFA_INTERFACE_HRN:
            # if there is no parent hrn, then it must be self-signed. this
            # is where we terminate the recursion
            cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
        else:
            # we need the parent's private key in order to sign this GID
            parent_auth_info = self.get_auth_info(parent_hrn)
            cred.set_issuer_keys(parent_auth_info.get_privkey_filename(), parent_auth_info.get_gid_filename())

            
            cred.set_parent(self.get_auth_cred(parent_hrn, kind))

        cred.encode()
        cred.sign()

        return cred

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import sign [as 别名]
    def __getCredentialRaw(self):
        """
        Get our current credential directly from the local registry.
        """

        hrn = self.hrn
        auth_hrn = self.auth.get_authority(hrn)
    
        # is this a root or sub authority
        if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
            auth_hrn = hrn
        auth_info = self.auth.get_auth_info(auth_hrn)
        table = self.SfaTable()
        records = table.findObjects({'hrn': hrn, 'type': 'authority+sa'})
        if not records:
            raise RecordNotFound
        record = records[0]
        type = record['type']
        object_gid = record.get_gid_object()
        new_cred = Credential(subject = object_gid.get_subject())
        new_cred.set_gid_caller(object_gid)
        new_cred.set_gid_object(object_gid)
        new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
        
        r1 = determine_rights(type, hrn)
        new_cred.set_privileges(r1)
        new_cred.encode()
        new_cred.sign()

        return new_cred

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import sign [as 别名]
    def GetCredential(self, api, xrn, type, caller_xrn=None):
        # convert xrn to hrn     
        if type:
            hrn = urn_to_hrn(xrn)[0]
        else:
            hrn, type = urn_to_hrn(xrn)

        # Is this a root or sub authority
        auth_hrn = api.auth.get_authority(hrn)
        if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
            auth_hrn = hrn
        auth_info = api.auth.get_auth_info(auth_hrn)
        # get record info
        record=dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).first()
        if not record:
            raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))

        # get the callers gid
        # if caller_xrn is not specified assume the caller is the record
        # object itself.
        if not caller_xrn:
            caller_hrn = hrn
            caller_gid = record.get_gid_object()
        else:
            caller_hrn, caller_type = urn_to_hrn(caller_xrn)
            if caller_type:
                caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn,type=caller_type).first()
            else:
                caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn).first()
            if not caller_record:
                raise RecordNotFound("Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"%(caller_hrn, caller_type, hrn, type))
            caller_gid = GID(string=caller_record.gid)i

        object_hrn = record.get_gid_object().get_hrn()
        # call the builtin authorization/credential generation engine
        rights = api.auth.determine_user_rights(caller_hrn, record)
        # make sure caller has rights to this object
        if rights.is_empty():
            raise PermissionError("%s has no rights to %s (%s)" % \
                                  (caller_hrn, object_hrn, xrn))
        object_gid = GID(string=record.gid)
        new_cred = Credential(subject = object_gid.get_subject())
        new_cred.set_gid_caller(caller_gid)
        new_cred.set_gid_object(object_gid)
        new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
        #new_cred.set_pubkey(object_gid.get_pubkey())
        new_cred.set_privileges(rights)
        new_cred.get_privileges().delegate_all_privileges(True)
        if hasattr(record,'expires'):
            date = utcparse(record.expires)
            expires = datetime_to_epoch(date)
            new_cred.set_expiration(int(expires))
        auth_kind = "authority,ma,sa"
        # Parent not necessary, verify with certs
        #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
        new_cred.encode()
        new_cred.sign()

        return new_cred.save_to_string(save_parents=True)

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import sign [as 别名]
def get_credential(api, xrn, type, is_self=False):
    # convert xrn to hrn     
    if type:
        hrn = urn_to_hrn(xrn)[0]
    else:
        hrn, type = urn_to_hrn(xrn)
        
    # Is this a root or sub authority
    auth_hrn = api.auth.get_authority(hrn)
    if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
        auth_hrn = hrn
    # get record info
    auth_info = api.auth.get_auth_info(auth_hrn)
    table = SfaTable()
    records = table.findObjects({'type': type, 'hrn': hrn})
    if not records:
        raise RecordNotFound(hrn)
    record = records[0]

    # verify_cancreate_credential requires that the member lists
    # (researchers, pis, etc) be filled in
    api.fill_record_info(record)
    if record['type']=='user':
       if not record['enabled']:
          raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))

    # get the callers gid
    # if this is a self cred the record's gid is the caller's gid
    if is_self:
        caller_hrn = hrn
        caller_gid = record.get_gid_object()
    else:
        caller_gid = api.auth.client_cred.get_gid_caller() 
        caller_hrn = caller_gid.get_hrn()
    
    object_hrn = record.get_gid_object().get_hrn()
    rights = api.auth.determine_user_rights(caller_hrn, record)
    # make sure caller has rights to this object
    if rights.is_empty():
        raise PermissionError(caller_hrn + " has no rights to " + record['name'])

    object_gid = GID(string=record['gid'])
    new_cred = Credential(subject = object_gid.get_subject())
    new_cred.set_gid_caller(caller_gid)
    new_cred.set_gid_object(object_gid)
    new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
    #new_cred.set_pubkey(object_gid.get_pubkey())
    new_cred.set_privileges(rights)
    new_cred.get_privileges().delegate_all_privileges(True)
    if 'expires' in record:
        new_cred.set_expiration(int(record['expires']))
    auth_kind = "authority,ma,sa"
    # Parent not necessary, verify with certs
    #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
    new_cred.encode()
    new_cred.sign()

    return new_cred.save_to_string(save_parents=True)

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import sign [as 别名]
    def GetCredential(self, api, xrn, type, caller_xrn=None):
        # convert xrn to hrn
        if type:
            hrn = urn_to_hrn(xrn)[0]
        else:
            hrn, type = urn_to_hrn(xrn)

        # Is this a root or sub authority
        auth_hrn = api.auth.get_authority(hrn)
        if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
            auth_hrn = hrn
        auth_info = api.auth.get_auth_info(auth_hrn)
        # get record info
        filter = {"hrn": hrn}
        if type:
            filter["type"] = type
        record = dbsession.query(RegRecord).filter_by(**filter).first()
        if not record:
            raise RecordNotFound("hrn=%s, type=%s" % (hrn, type))

        # verify_cancreate_credential requires that the member lists
        # (researchers, pis, etc) be filled in
        logger.debug("get credential before augment dict, keys=%s" % record.__dict__.keys())
        api.driver.augment_records_with_testbed_info(record.__dict__)
        logger.debug("get credential after augment dict, keys=%s" % record.__dict__.keys())
        if not api.driver.is_enabled(record.__dict__):
            raise AccountNotEnabled(
                ": PlanetLab account %s is not enabled. Please contact your site PI" % (record.email)
            )

        # get the callers gid
        # if caller_xrn is not specified assume the caller is the record
        # object itself.
        if not caller_xrn:
            caller_hrn = hrn
            caller_gid = record.get_gid_object()
        else:
            caller_hrn, caller_type = urn_to_hrn(caller_xrn)
            caller_filter = {"hrn": caller_hrn}
            if caller_type:
                caller_filter["type"] = caller_type
            caller_record = dbsession.query(RegRecord).filter_by(**caller_filter).first()
            if not caller_record:
                raise RecordNotFound(
                    "Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"
                    % (caller_hrn, caller_type, hrn, type)
                )
            caller_gid = GID(string=caller_record.gid)

        object_hrn = record.get_gid_object().get_hrn()
        rights = api.auth.determine_user_rights(caller_hrn, record)
        # make sure caller has rights to this object
        if rights.is_empty():
            raise PermissionError(caller_hrn + " has no rights to " + record.hrn)

        object_gid = GID(string=record.gid)
        new_cred = Credential(subject=object_gid.get_subject())
        new_cred.set_gid_caller(caller_gid)
        new_cred.set_gid_object(object_gid)
        new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
        # new_cred.set_pubkey(object_gid.get_pubkey())
        new_cred.set_privileges(rights)
        new_cred.get_privileges().delegate_all_privileges(True)
        if hasattr(record, "expires"):
            date = utcparse(record.expires)
            expires = datetime_to_epoch(date)
            new_cred.set_expiration(int(expires))
        auth_kind = "authority,ma,sa"
        # Parent not necessary, verify with certs
        # new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
        new_cred.encode()
        new_cred.sign()

        return new_cred.save_to_string(save_parents=True)