/*
* Copyright 2001-2007 Internet2
- *
+ *
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
/**
* @file saml/saml2/metadata/MetadataProvider.h
- *
+ *
* Supplies an individual source of metadata.
*/
#include <xmltooling/security/CredentialResolver.h>
namespace opensaml {
-
+
class SAML_API SAMLArtifact;
namespace saml2md {
/**
* Supplies an individual source of metadata.
- *
+ *
* The source can be a local file, remote service, or the result of a
* dynamic lookup, can include local caching, etc. Providers
* <strong>MUST</strong> be locked before any lookup operations.
protected:
/**
* Constructor.
- *
+ *
* If a DOM is supplied, a set of default logic will be used to identify
* and build MetadataFilter plugins and install them into the provider.
- *
+ *
* The following XML content is supported:
- *
+ *
* <ul>
* <li><MetadataFilter> elements with a type attribute and type-specific content
* <li><Exclude> elements representing a BlacklistMetadataFilter
- * <li><BlacklistMetadataFilter> element containing <Exclude> elements
+ * <li><BlacklistMetadataFilter> element containing <Exclude> elements
* <li><Include> elements representing a WhitelistMetadataFilter
- * <li><SignatureMetadataFilter> element containing a <KeyResolver> element
- * <li><WhitelistMetadataFilter> element containing <Include> elements
+ * <li><SignatureMetadataFilter> element containing a <KeyResolver> element
+ * <li><WhitelistMetadataFilter> element containing <Include> elements
* </ul>
- *
+ *
* XML namespaces are ignored in the processing of these elements.
- *
+ *
* @param e DOM to supply configuration for provider
*/
- MetadataProvider(const DOMElement* e=NULL);
-
+ MetadataProvider(const xercesc::DOMElement* e=NULL);
+
public:
/**
* Destructor will delete any installed filters.
*/
virtual ~MetadataProvider();
-
+
/**
* Adds a metadata filter to apply to any resolved metadata. Will not be applied
* to metadata that is already loaded.
- *
+ *
* @param newFilter metadata filter to add
*/
virtual void addMetadataFilter(MetadataFilter* newFilter) {
/**
* Removes a metadata filter. The caller must delete the filter if necessary.
- *
+ *
* @param oldFilter metadata filter to remove
* @return the old filter
*/
}
return NULL;
}
-
+
/**
* Should be called after instantiating provider and adding filters, but before
* performing any lookup operations. Allows the provider to defer initialization
* this method so as to report/log any errors that would affect later processing.
*/
virtual void init()=0;
-
+
/**
* Gets the entire metadata tree, after the registered filter has been applied.
* The caller MUST unlock the provider when finished with the data.
- *
+ *
* @return the entire metadata tree
*/
virtual const xmltooling::XMLObject* getMetadata() const=0;
-
- /**
- * Gets the metadata for a given entity. If a valid entity is returned,
- * the provider will be left in a locked state. The caller MUST unlock the
- * provider when finished with the entity.
- *
- * @param id the ID of the entity
- * @param requireValidMetadata indicates whether the metadata for the entity must be valid/current
- *
- * @return the entity's metadata or NULL if there is no metadata or no valid metadata
- */
- virtual const EntityDescriptor* getEntityDescriptor(const XMLCh* id, bool requireValidMetadata=true) const;
-
- /**
- * Gets the metadata for a given entity. If a valid entity is returned,
- * the provider will be left in a locked state. The caller MUST unlock the
- * provider when finished with the entity.
- *
- * @param id the ID of the entity
- * @param requireValidMetadata indicates whether the metadata for the entity must be valid/current
- *
- * @return the entity's metadata or NULL if there is no metadata or no valid metadata
- */
- virtual const EntityDescriptor* getEntityDescriptor(const char* id, bool requireValidMetadata=true) const=0;
-
- /**
- * Gets the metadata for an entity that issued a SAML artifact. If a valid entity is returned,
- * the provider will be left in a locked state. The caller MUST unlock the
- * provider when finished with the entity.
- *
- * @param artifact a SAML artifact to find the issuer of
- *
- * @return the entity's metadata or NULL if there is no valid metadata
- */
- virtual const EntityDescriptor* getEntityDescriptor(const SAMLArtifact* artifact) const=0;
/**
* Gets the metadata for a given group of entities. If a valid group is returned,
* the resolver will be left in a locked state. The caller MUST unlock the
* resolver when finished with the group.
- *
+ *
* @param name the name of the group
* @param requireValidMetadata indicates whether the metadata for the group must be valid/current
- *
+ *
* @return the group's metadata or NULL if there is no metadata or no valid metadata
*/
virtual const EntitiesDescriptor* getEntitiesDescriptor(const XMLCh* name, bool requireValidMetadata=true) const;
* Gets the metadata for a given group of entities. If a valid group is returned,
* the resolver will be left in a locked state. The caller MUST unlock the
* resolver when finished with the group.
- *
+ *
* @param name the name of the group
* @param requireValidMetadata indicates whether the metadata for the group must be valid/current
- *
+ *
* @return the group's metadata or NULL if there is no metadata or no valid metadata
*/
virtual const EntitiesDescriptor* getEntitiesDescriptor(const char* name, bool requireValidMetadata=true) const=0;
+ /**
+ * Batches up criteria for entity lookup.
+ */
+ struct SAML_API Criteria {
+ /**
+ * Default constructor.
+ */
+ Criteria() : entityID_unicode(NULL), entityID_ascii(NULL), artifact(NULL), role(NULL), protocol(NULL), protocol2(NULL), validOnly(true) {
+ }
+
+ /**
+ * Constructor.
+ *
+ * @param id entityID to lookup
+ * @param q element/type of role, if any
+ * @param prot protocol support constant, if any
+ * @param valid true iff stale metadata should be ignored
+ */
+ Criteria(const XMLCh* id, const xmltooling::QName* q=NULL, const XMLCh* prot=NULL, bool valid=true)
+ : entityID_unicode(id), entityID_ascii(NULL), artifact(NULL), role(q), protocol(prot), protocol2(NULL), validOnly(valid) {
+ }
+
+ /**
+ * Constructor.
+ *
+ * @param id entityID to lookup
+ * @param q element/type of role, if any
+ * @param prot protocol support constant, if any
+ * @param valid true iff stale metadata should be ignored
+ */
+ Criteria(const char* id, const xmltooling::QName* q=NULL, const XMLCh* prot=NULL, bool valid=true)
+ : entityID_unicode(NULL), entityID_ascii(id), artifact(NULL), role(q), protocol(prot), protocol2(NULL), validOnly(valid) {
+ }
+
+ /**
+ * Constructor.
+ *
+ * @param a artifact to lookup
+ * @param q element/type of role, if any
+ * @param prot protocol support constant, if any
+ * @param valid true iff stale metadata should be ignored
+ */
+ Criteria(const SAMLArtifact* a, const xmltooling::QName* q=NULL, const XMLCh* prot=NULL, bool valid=true)
+ : entityID_unicode(NULL), entityID_ascii(NULL), artifact(a), role(q), protocol(prot), protocol2(NULL), validOnly(valid) {
+ }
+
+ virtual ~Criteria() {}
+
+ /**
+ * Restores the object to its default state.
+ */
+ virtual void reset() {
+ entityID_unicode=NULL;
+ entityID_ascii=NULL;
+ artifact=NULL;
+ role=NULL;
+ protocol=NULL;
+ protocol2=NULL;
+ validOnly=true;
+ }
+
+ /** Unique ID of entity. */
+ const XMLCh* entityID_unicode;
+ /** Unique ID of entity. */
+ const char* entityID_ascii;
+ /** SAML artifact */
+ const SAMLArtifact* artifact;
+ /** Element or schema type QName of metadata role. */
+ const xmltooling::QName* role;
+ /** Protocol support constant. */
+ const XMLCh* protocol;
+ /** Backup protocol support constant. */
+ const XMLCh* protocol2;
+ /** Controls whether stale metadata is ignored. */
+ bool validOnly;
+ };
+
+ /**
+ * Gets entity metadata based on supplied criteria. If a valid entity is returned,
+ * the provider will be left in a locked state. The caller MUST unlock the
+ * provider when finished with the entity.
+ *
+ * @param criteria lookup criteria
+ *
+ * @return the entity's metadata (and optionally a role) or NULL if there is no qualifying metadata
+ */
+ virtual std::pair<const EntityDescriptor*,const RoleDescriptor*> getEntityDescriptor(const Criteria& criteria) const=0;
+
protected:
/**
* Applies any installed filters to a metadata instance.
- *
+ *
* @param xmlObject the metadata to be filtered
*/
void doFilters(xmltooling::XMLObject& xmlObject) const;
* Registers MetadataProvider classes into the runtime.
*/
void SAML_API registerMetadataProviders();
-
+
/** MetadataProvider based on local or remote XML file */
#define XML_METADATA_PROVIDER "XML"
+ /** MetadataProvider based on dynamic resolution */
+ #define DYNAMIC_METADATA_PROVIDER "Dynamic"
+
/** MetadataProvider that wraps a sequence of metadata providers. */
#define CHAINING_METADATA_PROVIDER "Chaining"
+ /** MetadataProvider that returns an empty "dummy" entity descriptor. */
+ #define NULL_METADATA_PROVIDER "Null"
+
DECL_XMLTOOLING_EXCEPTION(MetadataException,SAML_EXCEPTIONAPI(SAML_API),opensaml::saml2md,xmltooling::XMLToolingException,Exceptions related to metadata use);
};
};
projects / shibboleth / cpp-opensaml.git / blobdiff