Revert to exception-based policy errors, add "secure" flag to policy to track authn.

[shibboleth/cpp-opensaml.git] / saml / binding / impl / SecurityPolicy.cpp

diff --git a/saml/binding/impl/SecurityPolicy.cpp b/saml/binding/impl/SecurityPolicy.cpp
index 2edad23..116bf44 100644 (file)
--- a/saml/binding/impl/SecurityPolicy.cpp
+++ b/saml/binding/impl/SecurityPolicy.cpp
@@ -22,11 +22,8 @@
 
 #include "internal.h"
 #include "exceptions.h"
-#include "binding/SecurityPolicy.h"
-#include "saml1/core/Assertions.h"
-#include "saml1/core/Protocols.h"
+#include "binding/SecurityPolicyRule.h"
 #include "saml2/core/Assertions.h"
-#include "saml2/core/Protocols.h"
 
 using namespace opensaml::saml2md;
 using namespace opensaml::saml2;
@@ -35,7 +32,10 @@ using namespace xmltooling;
 using namespace std;
 
 namespace opensaml {
+    SAML_DLLLOCAL PluginManager<SecurityPolicyRule,const DOMElement*>::Factory ClientCertAuthRuleFactory;
     SAML_DLLLOCAL PluginManager<SecurityPolicyRule,const DOMElement*>::Factory MessageFlowRuleFactory;
+    SAML_DLLLOCAL PluginManager<SecurityPolicyRule,const DOMElement*>::Factory SAML1MessageRuleFactory;
+    SAML_DLLLOCAL PluginManager<SecurityPolicyRule,const DOMElement*>::Factory SAML2MessageRuleFactory;
     SAML_DLLLOCAL PluginManager<SecurityPolicyRule,const DOMElement*>::Factory SimpleSigningRuleFactory;
     SAML_DLLLOCAL PluginManager<SecurityPolicyRule,const DOMElement*>::Factory XMLSigningRuleFactory;
 };
@@ -43,54 +43,45 @@ namespace opensaml {
 void SAML_API opensaml::registerSecurityPolicyRules()
 {
     SAMLConfig& conf=SAMLConfig::getConfig();
+    conf.SecurityPolicyRuleManager.registerFactory(CLIENTCERTAUTH_POLICY_RULE, ClientCertAuthRuleFactory);
     conf.SecurityPolicyRuleManager.registerFactory(MESSAGEFLOW_POLICY_RULE, MessageFlowRuleFactory);
+    conf.SecurityPolicyRuleManager.registerFactory(SAML1MESSAGE_POLICY_RULE, SAML1MessageRuleFactory);
+    conf.SecurityPolicyRuleManager.registerFactory(SAML2MESSAGE_POLICY_RULE, SAML2MessageRuleFactory);
     conf.SecurityPolicyRuleManager.registerFactory(SIMPLESIGNING_POLICY_RULE, SimpleSigningRuleFactory);
     conf.SecurityPolicyRuleManager.registerFactory(XMLSIGNING_POLICY_RULE, XMLSigningRuleFactory);
 }
 
 SecurityPolicy::IssuerMatchingPolicy SecurityPolicy::m_defaultMatching;
 
-SecurityPolicyRule::MessageExtractor SecurityPolicy::m_defaultExtractor;
-
 SecurityPolicy::~SecurityPolicy()
 {
-    delete m_extractor;
-    delete m_matchingPolicy;
-    delete m_issuer;
+    reset();
 }
 
-void SecurityPolicy::evaluate(const GenericRequest& request, const XMLObject& message)
+void SecurityPolicy::reset()
 {
-    for (vector<const SecurityPolicyRule*>::const_iterator i=m_rules.begin(); i!=m_rules.end(); ++i) {
-
-        // Run the rule...
-        pair<Issuer*,const RoleDescriptor*> ident =
-            (*i)->evaluate(request,message,m_metadata,&m_role,m_trust,getMessageExtractor());
-
-        // Make sure returned issuer doesn't conflict.
-         
-        if (ident.first) {
-            if (!getIssuerMatchingPolicy().issuerMatches(ident.first, m_issuer)) {
-                delete ident.first;
-                throw BindingException("Policy rules returned differing Issuers.");
-            }
-            delete m_issuer;
-            m_issuer=ident.first;
-        }
+    delete m_messageQName;
+    XMLString::release(&m_messageID);
+    delete m_issuer;
+    m_messageQName=NULL;
+    m_messageID=NULL;
+    m_issueInstant=0;
+    m_issuer=NULL;
+    m_issuerRole=NULL;
+    m_secure=false;
+}
 
-        if (ident.second) {
-            if (m_issuerRole && ident.second!=m_issuerRole)
-                throw BindingException("Policy rules returned differing issuer RoleDescriptors.");
-            m_issuerRole=ident.second;
-        }
-    }
+void SecurityPolicy::evaluate(const XMLObject& message, const GenericRequest* request)
+{
+    for (vector<const SecurityPolicyRule*>::const_iterator i=m_rules.begin(); i!=m_rules.end(); ++i)
+        (*i)->evaluate(message,request,*this);
 }
 
 void SecurityPolicy::setIssuer(saml2::Issuer* issuer)
 {
     if (!getIssuerMatchingPolicy().issuerMatches(issuer, m_issuer)) {
         delete issuer;
-        throw BindingException("Externally provided Issuer conflicts with policy results.");
+        throw BindingException("A rule supplied an Issuer that conflicts with previous results.");
     }
     
     delete m_issuer;
@@ -100,7 +91,7 @@ void SecurityPolicy::setIssuer(saml2::Issuer* issuer)
 void SecurityPolicy::setIssuerMetadata(const RoleDescriptor* issuerRole)
 {
     if (issuerRole && m_issuerRole && issuerRole!=m_issuerRole)
-        throw BindingException("Externally provided RoleDescriptor conflicts with policy results.");
+        throw BindingException("A rule supplied a RoleDescriptor that conflicts with previous results.");
     m_issuerRole=issuerRole;
 }
 
@@ -132,62 +123,3 @@ bool SecurityPolicy::IssuerMatchingPolicy::issuerMatches(const Issuer* issuer1,
     
     return true;
 }
-
-
-pair<saml2::Issuer*,const XMLCh*> SecurityPolicyRule::MessageExtractor::getIssuerAndProtocol(const XMLObject& message) const
-{
-    // We just let any bad casts throw here.
-    
-    saml2::Issuer* issuer;
-
-    // Shortcuts some of the casting.
-    const XMLCh* ns = message.getElementQName().getNamespaceURI();
-    if (ns) {
-        if (XMLString::equals(ns, samlconstants::SAML20P_NS) || XMLString::equals(ns, samlconstants::SAML20_NS)) {
-            // 2.0 namespace should be castable to a specialized 2.0 root.
-            const saml2::RootObject& root = dynamic_cast<const saml2::RootObject&>(message);
-            issuer = root.getIssuer();
-            if (issuer && issuer->getName()) {
-                return make_pair(issuer->cloneIssuer(), samlconstants::SAML20P_NS);
-            }
-            
-            // No issuer in the message, so we have to try the Response approach. 
-            const vector<saml2::Assertion*>& assertions = dynamic_cast<const saml2p::Response&>(message).getAssertions();
-            if (!assertions.empty()) {
-                issuer = assertions.front()->getIssuer();
-                if (issuer && issuer->getName())
-                    return make_pair(issuer->cloneIssuer(), samlconstants::SAML20P_NS);
-            }
-        }
-        else if (XMLString::equals(ns, samlconstants::SAML1P_NS)) {
-            // Should be a samlp:Response, at least in OpenSAML.
-            const vector<saml1::Assertion*>& assertions = dynamic_cast<const saml1p::Response&>(message).getAssertions();
-            if (!assertions.empty()) {
-                const saml1::Assertion* a = assertions.front();
-                if (a->getIssuer()) {
-                    issuer = saml2::IssuerBuilder::buildIssuer();
-                    issuer->setName(a->getIssuer());
-                    pair<bool,int> minor = a->getMinorVersion();
-                    return make_pair(
-                        issuer,
-                        (minor.first && minor.second==0) ? samlconstants::SAML10_PROTOCOL_ENUM : samlconstants::SAML11_PROTOCOL_ENUM
-                        );
-                }
-            }
-        }
-        else if (XMLString::equals(ns, samlconstants::SAML1_NS)) {
-            // Should be a saml:Assertion.
-            const saml1::Assertion& a = dynamic_cast<const saml1::Assertion&>(message);
-            if (a.getIssuer()) {
-                issuer = saml2::IssuerBuilder::buildIssuer();
-                issuer->setName(a.getIssuer());
-                pair<bool,int> minor = a.getMinorVersion();
-                return make_pair(
-                    issuer,
-                    (minor.first && minor.second==0) ? samlconstants::SAML10_PROTOCOL_ENUM : samlconstants::SAML11_PROTOCOL_ENUM
-                    );
-            }
-        }
-    }
-    return pair<saml2::Issuer*,const XMLCh*>(NULL,NULL);
-}