saml/saml1/core/impl/AssertionsSchemaValidators.cpp

   1 /*
   2 *  Copyright 2001-2007 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  * AssertionsSchemaValidators.cpp
  19  *
  20  * Schema-based validators for SAML 1.x Assertions classes
  21  */
  22
  23 #include "internal.h"
  24 #include "exceptions.h"
  25 #include "saml1/core/Assertions.h"
  26
  27 #include <xmltooling/validation/ValidatorSuite.h>
  28
  29 using namespace opensaml::saml1;
  30 using namespace opensaml;
  31 using namespace xmltooling;
  32 using namespace std;
  33 using samlconstants::SAML1_NS;
  34
  35 namespace opensaml {
  36     namespace saml1 {
  37
  38         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,Action);
  39         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,AssertionIDReference);
  40         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,Audience);
  41         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,ConfirmationMethod);
  42         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,NameIdentifier);
  43
  44         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AudienceRestrictionCondition);
  45             XMLOBJECTVALIDATOR_NONEMPTY(AudienceRestrictionCondition,Audience);
  46         END_XMLOBJECTVALIDATOR;
  47
  48         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Conditions);
  49             if (!ptr->hasChildren()) {
  50                 XMLOBJECTVALIDATOR_ONEOF(Conditions,NotBefore,NotOnOrAfter);
  51             }
  52             else if (ptr->getDoNotCacheConditions().size() > 1) {
  53                 throw ValidationException("Multiple DoNotCacheCondition elements are not permitted.");
  54             }
  55         END_XMLOBJECTVALIDATOR;
  56
  57         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,SubjectConfirmation);
  58             XMLOBJECTVALIDATOR_NONEMPTY(SubjectConfirmation,ConfirmationMethod);
  59         END_XMLOBJECTVALIDATOR;
  60
  61         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Subject);
  62             XMLOBJECTVALIDATOR_ONEOF(Subject,NameIdentifier,SubjectConfirmation);
  63         END_XMLOBJECTVALIDATOR;
  64
  65         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,SubjectLocality);
  66             XMLOBJECTVALIDATOR_ONEOF(SubjectLocality,IPAddress,DNSAddress);
  67         END_XMLOBJECTVALIDATOR;
  68
  69         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AuthorityBinding);
  70             XMLOBJECTVALIDATOR_REQUIRE(AuthorityBinding,AuthorityKind);
  71             XMLOBJECTVALIDATOR_REQUIRE(AuthorityBinding,Location);
  72             XMLOBJECTVALIDATOR_REQUIRE(AuthorityBinding,Binding);
  73         END_XMLOBJECTVALIDATOR;
  74
  75         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AuthenticationStatement);
  76             XMLOBJECTVALIDATOR_REQUIRE(AuthenticationStatement,AuthenticationMethod);
  77             XMLOBJECTVALIDATOR_REQUIRE(AuthenticationStatement,AuthenticationInstant);
  78             XMLOBJECTVALIDATOR_REQUIRE(AuthenticationStatement,Subject);
  79         END_XMLOBJECTVALIDATOR;
  80
  81         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Evidence);
  82             if (!ptr->hasChildren())
  83                 throw ValidationException("Evidence must have at least one child element.");
  84         END_XMLOBJECTVALIDATOR;
  85
  86         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AuthorizationDecisionStatement);
  87             XMLOBJECTVALIDATOR_REQUIRE(AuthorizationDecisionStatement,Resource);
  88             XMLOBJECTVALIDATOR_REQUIRE(AuthorizationDecisionStatement,Decision);
  89             if (!XMLString::equals(ptr->getDecision(),AuthorizationDecisionStatement::DECISION_PERMIT) &&
  90                 !XMLString::equals(ptr->getDecision(),AuthorizationDecisionStatement::DECISION_DENY) &&
  91                 !XMLString::equals(ptr->getDecision(),AuthorizationDecisionStatement::DECISION_INDETERMINATE))
  92                 throw ValidationException("Decision must be one of Deny, Permit, or Indeterminate.");
  93             XMLOBJECTVALIDATOR_REQUIRE(AuthorizationDecisionStatement,Subject);
  94             XMLOBJECTVALIDATOR_NONEMPTY(AuthorizationDecisionStatement,Action);
  95         END_XMLOBJECTVALIDATOR;
  96
  97         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AttributeDesignator);
  98             XMLOBJECTVALIDATOR_REQUIRE(AttributeDesignator,AttributeName);
  99             XMLOBJECTVALIDATOR_REQUIRE(AttributeDesignator,AttributeNamespace);
 100         END_XMLOBJECTVALIDATOR;
 101
 102         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Attribute);
 103             XMLOBJECTVALIDATOR_REQUIRE(Attribute,AttributeName);
 104             XMLOBJECTVALIDATOR_REQUIRE(Attribute,AttributeNamespace);
 105             XMLOBJECTVALIDATOR_NONEMPTY(Attribute,AttributeValue);
 106         END_XMLOBJECTVALIDATOR;
 107
 108         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AttributeStatement);
 109             XMLOBJECTVALIDATOR_NONEMPTY(AttributeStatement,Attribute);
 110         END_XMLOBJECTVALIDATOR;
 111
 112         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Assertion);
 113             XMLOBJECTVALIDATOR_REQUIRE(Assertion,AssertionID);
 114             XMLOBJECTVALIDATOR_REQUIRE(Assertion,Issuer);
 115             XMLOBJECTVALIDATOR_REQUIRE(Assertion,IssueInstant);
 116             if (ptr->getAuthenticationStatements().empty() &&
 117                 ptr->getAttributeStatements().empty() &&
 118                 ptr->getAuthorizationDecisionStatements().empty() &&
 119                 ptr->getSubjectStatements().empty() &&
 120                 ptr->getStatements().empty())
 121                 throw ValidationException("Assertion must have at least one statement.");
 122             pair<bool,int> minor=ptr->getMinorVersion();
 123             if (!minor.first)
 124                 throw ValidationException("Assertion must have MinorVersion");
 125             if (minor.second==0 && ptr->getConditions() && !ptr->getConditions()->getDoNotCacheConditions().empty())
 126                 throw ValidationException("SAML 1.0 assertions cannot contain DoNotCacheCondition elements.");
 127         END_XMLOBJECTVALIDATOR;
 128
 129         class SAML_DLLLOCAL checkWildcardNS {
 130         public:
 131             void operator()(const XMLObject* xmlObject) const {
 132                 const XMLCh* ns=xmlObject->getElementQName().getNamespaceURI();
 133                 if (XMLString::equals(ns,SAML1_NS) || !ns || !*ns) {
 134                     throw ValidationException(
 135                         "Object contains an illegal extension child element ($1).",
 136                         params(1,xmlObject->getElementQName().toString().c_str())
 137                         );
 138                 }
 139             }
 140         };
 141
 142         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Advice);
 143             const vector<XMLObject*>& anys=ptr->getUnknownXMLObjects();
 144             for_each(anys.begin(),anys.end(),checkWildcardNS());
 145         END_XMLOBJECTVALIDATOR;
 146
 147     };
 148 };
 149
 150 #define REGISTER_ELEMENT(cname) \
 151     q=xmltooling::QName(SAML1_NS,cname::LOCAL_NAME); \
 152     XMLObjectBuilder::registerBuilder(q,new cname##Builder()); \
 153     SchemaValidators.registerValidator(q,new cname##SchemaValidator())
 154
 155 #define REGISTER_TYPE(cname) \
 156     q=xmltooling::QName(SAML1_NS,cname::TYPE_NAME); \
 157     XMLObjectBuilder::registerBuilder(q,new cname##Builder()); \
 158     SchemaValidators.registerValidator(q,new cname##SchemaValidator())
 159
 160 #define REGISTER_ELEMENT_NOVAL(cname) \
 161     q=xmltooling::QName(SAML1_NS,cname::LOCAL_NAME); \
 162     XMLObjectBuilder::registerBuilder(q,new cname##Builder());
 163
 164 #define REGISTER_TYPE_NOVAL(cname) \
 165     q=xmltooling::QName(SAML1_NS,cname::TYPE_NAME); \
 166     XMLObjectBuilder::registerBuilder(q,new cname##Builder());
 167
 168 void opensaml::saml1::registerAssertionClasses() {
 169     xmltooling::QName q;
 170     REGISTER_ELEMENT(Action);
 171     REGISTER_ELEMENT(Advice);
 172     REGISTER_ELEMENT(Assertion);
 173     REGISTER_ELEMENT(AssertionIDReference);
 174     REGISTER_ELEMENT(Attribute);
 175     REGISTER_ELEMENT(AttributeDesignator);
 176     REGISTER_ELEMENT(AttributeStatement);
 177     REGISTER_ELEMENT_NOVAL(AttributeValue);
 178     REGISTER_ELEMENT(Audience);
 179     REGISTER_ELEMENT(AudienceRestrictionCondition);
 180     REGISTER_ELEMENT(AuthenticationStatement);
 181     REGISTER_ELEMENT(AuthorityBinding);
 182     REGISTER_ELEMENT(AuthorizationDecisionStatement);
 183     REGISTER_ELEMENT_NOVAL(Condition);
 184     REGISTER_ELEMENT(Conditions);
 185     REGISTER_ELEMENT(ConfirmationMethod);
 186     REGISTER_ELEMENT_NOVAL(DoNotCacheCondition);
 187     REGISTER_ELEMENT(Evidence);
 188     REGISTER_ELEMENT(NameIdentifier);
 189     REGISTER_ELEMENT_NOVAL(Statement);
 190     REGISTER_ELEMENT(Subject);
 191     REGISTER_ELEMENT(SubjectConfirmation);
 192     REGISTER_ELEMENT_NOVAL(SubjectConfirmationData);
 193     REGISTER_ELEMENT(SubjectLocality);
 194     REGISTER_TYPE(Action);
 195     REGISTER_TYPE(Advice);
 196     REGISTER_TYPE(Assertion);
 197     REGISTER_TYPE(Attribute);
 198     REGISTER_TYPE(AttributeDesignator);
 199     REGISTER_TYPE(AttributeStatement);
 200     REGISTER_TYPE(AudienceRestrictionCondition);
 201     REGISTER_TYPE(AuthenticationStatement);
 202     REGISTER_TYPE(AuthorityBinding);
 203     REGISTER_TYPE(AuthorizationDecisionStatement);
 204     REGISTER_TYPE(Conditions);
 205     REGISTER_TYPE_NOVAL(DoNotCacheCondition);
 206     REGISTER_TYPE(Evidence);
 207     REGISTER_TYPE(NameIdentifier);
 208     REGISTER_TYPE(Subject);
 209     REGISTER_TYPE(SubjectConfirmation);
 210     REGISTER_TYPE(SubjectLocality);
 211 }