/// <summary>
/// Create a ConfigRelationNameFilter for the given values.
/// </summary>
///
/// <param name="name">The relation name, which is copied.</param>
/// <param name="relation">The relation type as a ConfigNameRelation.Relation enum.</param>
public ConfigRelationNameFilter(Name name,
ConfigNameRelation.Relation relation)
{
// Copy the Name.
name_ = new Name(name);
relation_ = relation;
}
public ConfigHyperRelationChecker(String packetNameRegexString,
String packetNameExpansion, String keyNameRegexString,
String keyNameExpansion, ConfigNameRelation.Relation hyperRelation)
{
packetNameRegex_ = new NdnRegexTopMatcher(packetNameRegexString);
packetNameExpansion_ = packetNameExpansion;
keyNameRegex_ = new NdnRegexTopMatcher(keyNameRegexString);
keyNameExpansion_ = keyNameExpansion;
hyperRelation_ = hyperRelation;
}
/// <summary>
/// Get a string representation of the Relation enum.
/// </summary>
///
/// <param name="relation">The value for the ConfigNameRelation.Relation enum.</param>
/// <returns>The string representation.</returns>
public static String toString(ConfigNameRelation.Relation relation)
{
if (relation == net.named_data.jndn.security.v2.validator_config.ConfigNameRelation.Relation.EQUAL)
{
return("equal");
}
else if (relation == net.named_data.jndn.security.v2.validator_config.ConfigNameRelation.Relation.IS_PREFIX_OF)
{
return("is-prefix-of");
}
else if (relation == net.named_data.jndn.security.v2.validator_config.ConfigNameRelation.Relation.IS_STRICT_PREFIX_OF)
{
return("is-strict-prefix-of");
}
else
{
// We don't expect this to happen.
return("");
}
}
/// <summary>
/// Check whether name1 and name2 satisfy the relation.
/// </summary>
///
/// <param name="relation">The value for the ConfigNameRelation.Relation enum.</param>
/// <param name="name1">The first name to check.</param>
/// <param name="name2">The second name to check.</param>
/// <returns>True if the names satisfy the relation.</returns>
public static bool checkNameRelation(ConfigNameRelation.Relation relation, Name name1,
Name name2)
{
if (relation == net.named_data.jndn.security.v2.validator_config.ConfigNameRelation.Relation.EQUAL)
{
return(name1.equals(name2));
}
else if (relation == net.named_data.jndn.security.v2.validator_config.ConfigNameRelation.Relation.IS_PREFIX_OF)
{
return(name1.isPrefixOf(name2));
}
else if (relation == net.named_data.jndn.security.v2.validator_config.ConfigNameRelation.Relation.IS_STRICT_PREFIX_OF)
{
return(name1.isPrefixOf(name2) && name1.size() < name2.size());
}
else
{
// We don't expect this to happen.
return(false);
}
}
/// <summary>
/// This is a helper for create() to create a filter from the configuration
/// section which is type "name".
/// </summary>
///
/// <param name="configSection">The section containing the definition of the filter.</param>
/// <returns>A new filter created from the configuration section.</returns>
private static ConfigFilter createNameFilter(BoostInfoTree configSection)
{
String nameUri = configSection.getFirstValue("name");
if (nameUri != null)
{
// Get the filter.name.
Name name = new Name(nameUri);
// Get the filter.relation.
String relationValue = configSection.getFirstValue("relation");
if (relationValue == null)
{
throw new ValidatorConfigError("Expected <filter.relation>");
}
ConfigNameRelation.Relation relation = net.named_data.jndn.security.v2.validator_config.ConfigNameRelation
.getNameRelationFromString(relationValue);
return(new ConfigRelationNameFilter(name, relation));
}
String regexString = configSection.getFirstValue("regex");
if (regexString != null)
{
try {
return(new ConfigRegexNameFilter(regexString));
} catch (Exception e) {
throw new ValidatorConfigError("Wrong filter.regex: "
+ regexString);
}
}
throw new ValidatorConfigError("Wrong filter(name) properties");
}
private static ConfigChecker createKeyLocatorNameChecker(
BoostInfoTree configSection)
{
String nameUri = configSection.getFirstValue("name");
if (nameUri != null)
{
Name name = new Name(nameUri);
String relationValue = configSection.getFirstValue("relation");
if (relationValue == null)
{
throw new ValidatorConfigError(
"Expected <checker.key-locator.relation>");
}
ConfigNameRelation.Relation relation = net.named_data.jndn.security.v2.validator_config.ConfigNameRelation
.getNameRelationFromString(relationValue);
return(new ConfigNameRelationChecker(name, relation));
}
String regexString = configSection.getFirstValue("regex");
if (regexString != null)
{
try {
return(new ConfigRegexChecker(regexString));
} catch (Exception e) {
throw new ValidatorConfigError(
"Invalid checker.key-locator.regex: " + regexString);
}
}
ArrayList <BoostInfoTree> hyperRelationList = configSection
.get("hyper-relation");
if (hyperRelationList.Count == 1)
{
BoostInfoTree hyperRelation = hyperRelationList[0];
// Get k-regex.
String keyRegex = hyperRelation.getFirstValue("k-regex");
if (keyRegex == null)
{
throw new ValidatorConfigError(
"Expected <checker.key-locator.hyper-relation.k-regex>");
}
// Get k-expand.
String keyExpansion = hyperRelation.getFirstValue("k-expand");
if (keyExpansion == null)
{
throw new ValidatorConfigError(
"Expected <checker.key-locator.hyper-relation.k-expand");
}
// Get h-relation.
String hyperRelationString = hyperRelation
.getFirstValue("h-relation");
if (hyperRelationString == null)
{
throw new ValidatorConfigError(
"Expected <checker.key-locator.hyper-relation.h-relation>");
}
// Get p-regex.
String packetNameRegex = hyperRelation.getFirstValue("p-regex");
if (packetNameRegex == null)
{
throw new ValidatorConfigError(
"Expected <checker.key-locator.hyper-relation.p-regex>");
}
// Get p-expand.
String packetNameExpansion = hyperRelation
.getFirstValue("p-expand");
if (packetNameExpansion == null)
{
throw new ValidatorConfigError(
"Expected <checker.key-locator.hyper-relation.p-expand>");
}
ConfigNameRelation.Relation relation_0 = net.named_data.jndn.security.v2.validator_config.ConfigNameRelation
.getNameRelationFromString(hyperRelationString);
try {
return(new ConfigHyperRelationChecker(packetNameRegex,
packetNameExpansion, keyRegex, keyExpansion, relation_0));
} catch (Exception e_1) {
throw new ValidatorConfigError(
"Invalid regex for key-locator.hyper-relation");
}
}
throw new ValidatorConfigError("Unsupported checker.key-locator");
}
public ConfigNameRelationChecker(Name name,
ConfigNameRelation.Relation relation)
{
name_ = name;
relation_ = relation;
}
