core/src/main/java/com/att/cadi/wsse/WSSEParser.java

   1 /*******************************************************************************\r
   2  * ============LICENSE_START====================================================\r
   3  * * org.onap.aaf\r
   4  * * ===========================================================================\r
   5  * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * * ===========================================================================\r
   7  * * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * * you may not use this file except in compliance with the License.\r
   9  * * You may obtain a copy of the License at\r
  10  * * \r
  11  *  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  * * \r
  13  *  * Unless required by applicable law or agreed to in writing, software\r
  14  * * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * * See the License for the specific language governing permissions and\r
  17  * * limitations under the License.\r
  18  * * ============LICENSE_END====================================================\r
  19  * *\r
  20  * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
  21  * *\r
  22  ******************************************************************************/\r
  23 package com.att.cadi.wsse;\r
  24 \r
  25 import java.io.IOException;\r
  26 import java.io.InputStream;\r
  27 \r
  28 import javax.xml.stream.XMLStreamException;\r
  29 \r
  30 import com.att.cadi.BasicCred;\r
  31 \r
  32 \r
  33 /**\r
  34  * WSSE Parser\r
  35  * \r
  36  * Read the User and Password from WSSE Formatted SOAP Messages \r
  37  * \r
  38  * This class uses StAX so that processing is stopped as soon as the Security User/Password are read into BasicCred, or the Header Ends\r
  39  * \r
  40  * This class is intended to be created once (or very few times) and reused as much as possible.\r
  41  * \r
  42  * It is as thread safe as StAX parsing is.\r
  43  * \r
  44  */\r
  45 public class WSSEParser {\r
  46         private static final String SOAP_NS = "http://schemas.xmlsoap.org/soap/envelope/";\r
  47         private static final String WSSE_NS = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd";\r
  48         private Match<BasicCred> parseTree;\r
  49         //private XMLInputFactory inputFactory;\r
  50 \r
  51         public WSSEParser() {\r
  52                 // soap:Envelope/soap:Header/wsse:Security/wsse:UsernameToken/[wsse:Password&wsse:Username]\r
  53                 parseTree = new Match<BasicCred>(SOAP_NS,"root", // need a root level to start from... Doesn't matter what the tag is\r
  54                         new Match<BasicCred>(SOAP_NS,"Envelope",\r
  55                                 new Match<BasicCred>(SOAP_NS,"Header",\r
  56                                         new Match<BasicCred>(WSSE_NS,"Security",\r
  57                                                 new Match<BasicCred>(WSSE_NS,"UsernameToken",\r
  58                                                         new Match<BasicCred>(WSSE_NS,"Password").set(new Action<BasicCred>() {\r
  59                                                                 public boolean content(BasicCred bc,String text) {\r
  60                                                                         bc.setCred(text.getBytes());\r
  61                                                                         return true;\r
  62                                                                 }\r
  63                                                         }),\r
  64                                                         new Match<BasicCred>(WSSE_NS,"Username").set(new Action<BasicCred>() {\r
  65                                                                 public boolean content(BasicCred bc,String text) {\r
  66                                                                         bc.setUser(text);\r
  67                                                                         return true;\r
  68                                                                 }\r
  69                                                         })\r
  70                                                 ).stopAfter() // if found, end when UsernameToken ends (no further processing needed)\r
  71                                         )\r
  72                                 ).stopAfter() // Stop Processing when Header Ends\r
  73                         ).exclusive()// Envelope must match Header, and no other.  FYI, Body comes after Header short circuits (see above), so it's ok\r
  74                 ).exclusive(); // root must be Envelope\r
  75                 //inputFactory = XMLInputFactory.newInstance();\r
  76         }\r
  77         \r
  78         public XMLStreamException parse(BasicCred bc, InputStream is) throws IOException {\r
  79                 try {\r
  80                         parseTree.onMatch(bc, new XReader(is));\r
  81                         return null;\r
  82                 } catch (XMLStreamException e) {\r
  83                         return e;\r
  84                 }\r
  85         }\r
  86 }\r