diff options
Diffstat (limited to 'cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/EpiTaf.java')
-rw-r--r-- | cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/EpiTaf.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/EpiTaf.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/EpiTaf.java new file mode 100644 index 00000000..b4102b0d --- /dev/null +++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/taf/EpiTaf.java @@ -0,0 +1,84 @@ +/** + * ============LICENSE_START==================================================== + * org.onap.ccsdk + * =========================================================================== + * Copyright (c) 2023 AT&T Intellectual Property. All rights reserved. + * =========================================================================== + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END==================================================== + * + */ + +package org.onap.ccsdk.apps.cadi.taf; + +import org.onap.ccsdk.apps.cadi.CadiException; +import org.onap.ccsdk.apps.cadi.Taf; + +/** + * EpiTAF + * + * Short for "Epic TAF". Be able to run through a series of TAFs to obtain the validation needed. + * + * OK, the name could probably be better as "Tafs", like it was originally, but the pun was too + * irresistible for this author to pass up. + * + * @author Jonathan + * + */ +public class EpiTaf implements Taf { + private Taf[] tafs; + + /** + * EpiTaf constructor + * + * Construct the EpiTaf from variable TAF parameters + * @param tafs + * @throws CadiException + */ + public EpiTaf(Taf ... tafs) throws CadiException{ + this.tafs = tafs; + if (tafs.length==0) throw new CadiException("Need at least one Taf implementation in constructor"); + } + + /** + * validate + * + * Respond with the first TAF to authenticate user based on variable info and "LifeForm" (is it + * a human behind an interface, or a server behind a protocol). + * + * If there is no TAF that can authenticate, respond with the first TAF that suggests it can + * establish an Authentication conversation (TRY_AUTHENTICATING). + * + * If no TAF declares either, respond with NullTafResp (which denies all questions) + */ + public TafResp validate(LifeForm reading, String... info) { + TafResp tresp,firstTryAuth=null; + for (Taf taf : tafs) { + tresp = taf.validate(reading, info); + switch(tresp.isAuthenticated()) { + case TRY_ANOTHER_TAF: + break; + case TRY_AUTHENTICATING: + if (firstTryAuth==null)firstTryAuth=tresp; + break; + default: + return tresp; + } + } + + // No TAFs configured, at this point. It is safer at this point to be "not validated", + // rather than "let it go" + return firstTryAuth == null?NullTafResp.singleton():firstTryAuth; + } + +} |