saml/saml1/core/impl/AssertionsSchemaValidators.cpp

   1 /*
   2 *  Copyright 2001-2009 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/Validator.h>
  28 #include <xmltooling/validation/ValidatorSuite.h>
  29
  30 using namespace opensaml::saml1;
  31 using namespace opensaml;
  32 using namespace xmltooling;
  33 using namespace std;
  34 using samlconstants::SAML1_NS;
  35
  36 namespace opensaml {
  37     namespace saml1 {
  38
  39         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,Action);
  40         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,AssertionIDReference);
  41         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,Audience);
  42         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,ConfirmationMethod);
  43         XMLOBJECTVALIDATOR_SIMPLE(SAML_DLLLOCAL,NameIdentifier);
  44
  45         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AudienceRestrictionCondition);
  46             XMLOBJECTVALIDATOR_NONEMPTY(AudienceRestrictionCondition,Audience);
  47         END_XMLOBJECTVALIDATOR;
  48
  49         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Conditions);
  50             if (!ptr->hasChildren()) {
  51                 XMLOBJECTVALIDATOR_ONEOF(Conditions,NotBefore,NotOnOrAfter);
  52             }
  53             else if (ptr->getDoNotCacheConditions().size() > 1) {
  54                 throw ValidationException("Multiple DoNotCacheCondition elements are not permitted.");
  55             }
  56         END_XMLOBJECTVALIDATOR;
  57
  58         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,SubjectConfirmation);
  59             XMLOBJECTVALIDATOR_NONEMPTY(SubjectConfirmation,ConfirmationMethod);
  60         END_XMLOBJECTVALIDATOR;
  61
  62         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Subject);
  63             XMLOBJECTVALIDATOR_ONEOF(Subject,NameIdentifier,SubjectConfirmation);
  64         END_XMLOBJECTVALIDATOR;
  65
  66         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,SubjectLocality);
  67             XMLOBJECTVALIDATOR_ONEOF(SubjectLocality,IPAddress,DNSAddress);
  68         END_XMLOBJECTVALIDATOR;
  69
  70         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AuthorityBinding);
  71             XMLOBJECTVALIDATOR_REQUIRE(AuthorityBinding,AuthorityKind);
  72             XMLOBJECTVALIDATOR_REQUIRE(AuthorityBinding,Location);
  73             XMLOBJECTVALIDATOR_REQUIRE(AuthorityBinding,Binding);
  74         END_XMLOBJECTVALIDATOR;
  75
  76         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AuthenticationStatement);
  77             XMLOBJECTVALIDATOR_REQUIRE(AuthenticationStatement,AuthenticationMethod);
  78             XMLOBJECTVALIDATOR_REQUIRE(AuthenticationStatement,AuthenticationInstant);
  79             XMLOBJECTVALIDATOR_REQUIRE(AuthenticationStatement,Subject);
  80         END_XMLOBJECTVALIDATOR;
  81
  82         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Evidence);
  83             if (!ptr->hasChildren())
  84                 throw ValidationException("Evidence must have at least one child element.");
  85         END_XMLOBJECTVALIDATOR;
  86
  87         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AuthorizationDecisionStatement);
  88             XMLOBJECTVALIDATOR_REQUIRE(AuthorizationDecisionStatement,Resource);
  89             XMLOBJECTVALIDATOR_REQUIRE(AuthorizationDecisionStatement,Decision);
  90             if (!XMLString::equals(ptr->getDecision(),AuthorizationDecisionStatement::DECISION_PERMIT) &&
  91                 !XMLString::equals(ptr->getDecision(),AuthorizationDecisionStatement::DECISION_DENY) &&
  92                 !XMLString::equals(ptr->getDecision(),AuthorizationDecisionStatement::DECISION_INDETERMINATE))
  93                 throw ValidationException("Decision must be one of Deny, Permit, or Indeterminate.");
  94             XMLOBJECTVALIDATOR_REQUIRE(AuthorizationDecisionStatement,Subject);
  95             XMLOBJECTVALIDATOR_NONEMPTY(AuthorizationDecisionStatement,Action);
  96         END_XMLOBJECTVALIDATOR;
  97
  98         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AttributeDesignator);
  99             XMLOBJECTVALIDATOR_REQUIRE(AttributeDesignator,AttributeName);
 100             XMLOBJECTVALIDATOR_REQUIRE(AttributeDesignator,AttributeNamespace);
 101         END_XMLOBJECTVALIDATOR;
 102
 103         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Attribute);
 104             XMLOBJECTVALIDATOR_REQUIRE(Attribute,AttributeName);
 105             XMLOBJECTVALIDATOR_REQUIRE(Attribute,AttributeNamespace);
 106             XMLOBJECTVALIDATOR_NONEMPTY(Attribute,AttributeValue);
 107         END_XMLOBJECTVALIDATOR;
 108
 109         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,AttributeStatement);
 110             XMLOBJECTVALIDATOR_NONEMPTY(AttributeStatement,Attribute);
 111         END_XMLOBJECTVALIDATOR;
 112
 113         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Assertion);
 114             XMLOBJECTVALIDATOR_REQUIRE(Assertion,AssertionID);
 115             XMLOBJECTVALIDATOR_REQUIRE(Assertion,Issuer);
 116             XMLOBJECTVALIDATOR_REQUIRE(Assertion,IssueInstant);
 117             if (ptr->getAuthenticationStatements().empty() &&
 118                 ptr->getAttributeStatements().empty() &&
 119                 ptr->getAuthorizationDecisionStatements().empty() &&
 120                 ptr->getSubjectStatements().empty() &&
 121                 ptr->getStatements().empty())
 122                 throw ValidationException("Assertion must have at least one statement.");
 123             pair<bool,int> minor=ptr->getMinorVersion();
 124             if (!minor.first)
 125                 throw ValidationException("Assertion must have MinorVersion");
 126             if (minor.second==0 && ptr->getConditions() && !ptr->getConditions()->getDoNotCacheConditions().empty())
 127                 throw ValidationException("SAML 1.0 assertions cannot contain DoNotCacheCondition elements.");
 128         END_XMLOBJECTVALIDATOR;
 129
 130         class SAML_DLLLOCAL checkWildcardNS {
 131         public:
 132             void operator()(const XMLObject* xmlObject) const {
 133                 const XMLCh* ns=xmlObject->getElementQName().getNamespaceURI();
 134                 if (XMLString::equals(ns,SAML1_NS) || !ns || !*ns) {
 135                     throw ValidationException(
 136                         "Object contains an illegal extension child element ($1).",
 137                         params(1,xmlObject->getElementQName().toString().c_str())
 138                         );
 139                 }
 140             }
 141         };
 142
 143         BEGIN_XMLOBJECTVALIDATOR(SAML_DLLLOCAL,Advice);
 144             const vector<XMLObject*>& anys=ptr->getUnknownXMLObjects();
 145             for_each(anys.begin(),anys.end(),checkWildcardNS());
 146         END_XMLOBJECTVALIDATOR;
 147
 148     };
 149 };
 150
 151 #define REGISTER_ELEMENT(cname) \
 152     q=xmltooling::QName(SAML1_NS,cname::LOCAL_NAME); \
 153     XMLObjectBuilder::registerBuilder(q,new cname##Builder()); \
 154     SchemaValidators.registerValidator(q,new cname##SchemaValidator())
 155
 156 #define REGISTER_TYPE(cname) \
 157     q=xmltooling::QName(SAML1_NS,cname::TYPE_NAME); \
 158     XMLObjectBuilder::registerBuilder(q,new cname##Builder()); \
 159     SchemaValidators.registerValidator(q,new cname##SchemaValidator())
 160
 161 #define REGISTER_ELEMENT_NOVAL(cname) \
 162     q=xmltooling::QName(SAML1_NS,cname::LOCAL_NAME); \
 163     XMLObjectBuilder::registerBuilder(q,new cname##Builder());
 164
 165 #define REGISTER_TYPE_NOVAL(cname) \
 166     q=xmltooling::QName(SAML1_NS,cname::TYPE_NAME); \
 167     XMLObjectBuilder::registerBuilder(q,new cname##Builder());
 168
 169 void opensaml::saml1::registerAssertionClasses() {
 170     xmltooling::QName q;
 171     REGISTER_ELEMENT(Action);
 172     REGISTER_ELEMENT(Advice);
 173     REGISTER_ELEMENT(Assertion);
 174     REGISTER_ELEMENT(AssertionIDReference);
 175     REGISTER_ELEMENT(Attribute);
 176     REGISTER_ELEMENT(AttributeDesignator);
 177     REGISTER_ELEMENT(AttributeStatement);
 178     REGISTER_ELEMENT_NOVAL(AttributeValue);
 179     REGISTER_ELEMENT(Audience);
 180     REGISTER_ELEMENT(AudienceRestrictionCondition);
 181     REGISTER_ELEMENT(AuthenticationStatement);
 182     REGISTER_ELEMENT(AuthorityBinding);
 183     REGISTER_ELEMENT(AuthorizationDecisionStatement);
 184     REGISTER_ELEMENT_NOVAL(Condition);
 185     REGISTER_ELEMENT(Conditions);
 186     REGISTER_ELEMENT(ConfirmationMethod);
 187     REGISTER_ELEMENT_NOVAL(DoNotCacheCondition);
 188     REGISTER_ELEMENT(Evidence);
 189     REGISTER_ELEMENT(NameIdentifier);
 190     REGISTER_ELEMENT_NOVAL(Statement);
 191     REGISTER_ELEMENT(Subject);
 192     REGISTER_ELEMENT(SubjectConfirmation);
 193     REGISTER_ELEMENT_NOVAL(SubjectConfirmationData);
 194     REGISTER_ELEMENT(SubjectLocality);
 195     REGISTER_TYPE(Action);
 196     REGISTER_TYPE(Advice);
 197     REGISTER_TYPE(Assertion);
 198     REGISTER_TYPE(Attribute);
 199     REGISTER_TYPE(AttributeDesignator);
 200     REGISTER_TYPE(AttributeStatement);
 201     REGISTER_TYPE(AudienceRestrictionCondition);
 202     REGISTER_TYPE(AuthenticationStatement);
 203     REGISTER_TYPE(AuthorityBinding);
 204     REGISTER_TYPE(AuthorizationDecisionStatement);
 205     REGISTER_TYPE(Conditions);
 206     REGISTER_TYPE_NOVAL(DoNotCacheCondition);
 207     REGISTER_TYPE(Evidence);
 208     REGISTER_TYPE(NameIdentifier);
 209     REGISTER_TYPE(Subject);
 210     REGISTER_TYPE(SubjectConfirmation);
 211     REGISTER_TYPE(SubjectLocality);
 212 }