xmltooling/encryption/impl/EncryptionSchemaValidators.cpp

   1 /*
   2 *  Copyright 2001-2006 Internet2
   3  *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * EncryptionSchemaValidators.cpp
  19  *
  20  * Schema validators for XML Encryption schema
  21  */
  22
  23 #include "internal.h"
  24 #include "exceptions.h"
  25 #include "encryption/Encryption.h"
  26 #include "validation/ValidatorSuite.h"
  27
  28 using namespace xmlencryption;
  29 using namespace xmltooling;
  30 using namespace std;
  31
  32 namespace xmlencryption {
  33
  34     XMLOBJECTVALIDATOR_SIMPLE(XMLTOOL_DLLLOCAL,CarriedKeyName);
  35     XMLOBJECTVALIDATOR_SIMPLE(XMLTOOL_DLLLOCAL,CipherValue);
  36     XMLOBJECTVALIDATOR_SIMPLE(XMLTOOL_DLLLOCAL,KeySize);
  37     XMLOBJECTVALIDATOR_SIMPLE(XMLTOOL_DLLLOCAL,OAEPparams);
  38
  39     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,EncryptionMethod);
  40         XMLOBJECTVALIDATOR_REQUIRE(EncryptionMethod,Algorithm);
  41     END_XMLOBJECTVALIDATOR;
  42
  43     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,Transforms);
  44         XMLOBJECTVALIDATOR_NONEMPTY(Transforms,Transform);
  45     END_XMLOBJECTVALIDATOR;
  46
  47     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,CipherReference);
  48         XMLOBJECTVALIDATOR_REQUIRE(CipherReference,URI);
  49     END_XMLOBJECTVALIDATOR;
  50
  51     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,CipherData);
  52         XMLOBJECTVALIDATOR_ONLYONEOF(CipherData,CipherValue,CipherReference);
  53     END_XMLOBJECTVALIDATOR;
  54
  55     class XMLTOOL_DLLLOCAL checkWildcardNS {
  56     public:
  57         void operator()(const XMLObject* xmlObject) const {
  58             const XMLCh* ns=xmlObject->getElementQName().getNamespaceURI();
  59             if (XMLString::equals(ns,XMLConstants::XMLENC_NS) || !ns || !*ns) {
  60                 throw ValidationException(
  61                     "Object contains an illegal extension child element ($1).",
  62                     params(1,xmlObject->getElementQName().toString().c_str())
  63                     );
  64             }
  65         }
  66     };
  67
  68     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,EncryptionProperty);
  69         if (!ptr->hasChildren())
  70             throw ValidationException("EncryptionProperty must have at least one child element.");
  71         const list<XMLObject*>& anys=ptr->getXMLObjects();
  72         for_each(anys.begin(),anys.end(),checkWildcardNS());
  73     END_XMLOBJECTVALIDATOR;
  74
  75     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,EncryptionProperties);
  76         XMLOBJECTVALIDATOR_NONEMPTY(EncryptionProperties,EncryptionProperty);
  77     END_XMLOBJECTVALIDATOR;
  78
  79     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,ReferenceType);
  80         XMLOBJECTVALIDATOR_REQUIRE(DataReference,URI);
  81         const list<XMLObject*>& anys=ptr->getXMLObjects();
  82         for_each(anys.begin(),anys.end(),checkWildcardNS());
  83     END_XMLOBJECTVALIDATOR;
  84
  85     BEGIN_XMLOBJECTVALIDATOR_SUB(XMLTOOL_DLLLOCAL,DataReference,ReferenceType);
  86         ReferenceTypeSchemaValidator::validate(xmlObject);
  87     END_XMLOBJECTVALIDATOR;
  88
  89     BEGIN_XMLOBJECTVALIDATOR_SUB(XMLTOOL_DLLLOCAL,KeyReference,ReferenceType);
  90         ReferenceTypeSchemaValidator::validate(xmlObject);
  91     END_XMLOBJECTVALIDATOR;
  92
  93     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,ReferenceList);
  94         if (!ptr->hasChildren())
  95             throw ValidationException("ReferenceList must have at least one child element.");
  96     END_XMLOBJECTVALIDATOR;
  97
  98     BEGIN_XMLOBJECTVALIDATOR(XMLTOOL_DLLLOCAL,EncryptedType);
  99         XMLOBJECTVALIDATOR_REQUIRE(EncryptedType,CipherData);
 100     END_XMLOBJECTVALIDATOR;
 101
 102     BEGIN_XMLOBJECTVALIDATOR_SUB(XMLTOOL_DLLLOCAL,EncryptedData,EncryptedType);
 103         EncryptedTypeSchemaValidator::validate(xmlObject);
 104     END_XMLOBJECTVALIDATOR;
 105
 106     BEGIN_XMLOBJECTVALIDATOR_SUB(XMLTOOL_DLLLOCAL,EncryptedKey,EncryptedType);
 107         EncryptedTypeSchemaValidator::validate(xmlObject);
 108     END_XMLOBJECTVALIDATOR;
 109
 110 };
 111
 112 #define REGISTER_ELEMENT(namespaceURI,cname) \
 113     q=QName(namespaceURI,cname::LOCAL_NAME); \
 114     XMLObjectBuilder::registerBuilder(q,new cname##Builder()); \
 115     SchemaValidators.registerValidator(q,new cname##SchemaValidator())
 116
 117 #define REGISTER_TYPE(namespaceURI,cname) \
 118     q=QName(namespaceURI,cname::TYPE_NAME); \
 119     XMLObjectBuilder::registerBuilder(q,new cname##Builder()); \
 120     SchemaValidators.registerValidator(q,new cname##SchemaValidator())
 121
 122 void xmlencryption::registerEncryptionClasses()
 123 {
 124     QName q;
 125     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,CarriedKeyName);
 126     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,CipherData);
 127     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,CipherReference);
 128     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,CipherValue);
 129     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,DataReference);
 130     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,EncryptedData);
 131     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,EncryptedKey);
 132     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,EncryptionMethod);
 133     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,EncryptionProperties);
 134     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,EncryptionProperty);
 135     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,KeyReference);
 136     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,KeySize);
 137     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,OAEPparams);
 138     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,ReferenceList);
 139     REGISTER_ELEMENT(XMLConstants::XMLENC_NS,Transforms);
 140     REGISTER_TYPE(XMLConstants::XMLENC_NS,CipherData);
 141     REGISTER_TYPE(XMLConstants::XMLENC_NS,CipherReference);
 142     REGISTER_TYPE(XMLConstants::XMLENC_NS,EncryptionMethod);
 143     REGISTER_TYPE(XMLConstants::XMLENC_NS,EncryptionProperties);
 144     REGISTER_TYPE(XMLConstants::XMLENC_NS,EncryptionProperty);
 145     REGISTER_TYPE(XMLConstants::XMLENC_NS,Transforms);
 146 }