/// <summary>
/// Override to call onVerified.onVerifiedInterest(interest) and to indicate no
/// further verification step.
/// </summary>
///
/// <param name="interest">The interest with the signature (to ignore).</param>
/// <param name="stepCount"></param>
/// <param name="onVerified">better error handling the callback should catch and properly handle any exceptions.</param>
/// <param name="onValidationFailed">Override to ignore this.</param>
/// <returns>null for no further step.</returns>
public sealed override ValidationRequest checkVerificationPolicy(Interest interest,
int stepCount, OnVerifiedInterest onVerified,
OnInterestValidationFailed onValidationFailed, WireFormat wireFormat)
{
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex);
}
return(null);
}
public void verifyInterest(Interest interest,
OnVerifiedInterest onVerified,
OnVerifyInterestFailed onVerifyFailed, int stepCount)
{
ILOG.J2CsMapping.Util.Logging.Logger.getLogger(this.GetType().FullName).log(ILOG.J2CsMapping.Util.Logging.Level.INFO,
"Enter Verify");
if (policyManager_.requireVerify(interest))
{
ValidationRequest nextStep = policyManager_
.checkVerificationPolicy(interest, stepCount, onVerified,
onVerifyFailed);
if (nextStep != null)
{
KeyChain.VerifyCallbacksForVerifyInterest callbacks = new KeyChain.VerifyCallbacksForVerifyInterest(
this, nextStep, nextStep.retry_, onVerifyFailed, interest);
try {
face_.expressInterest(nextStep.interest_, callbacks,
callbacks);
} catch (IOException ex) {
try {
onVerifyFailed.onVerifyInterestFailed(interest);
} catch (Exception exception) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onVerifyInterestFailed", exception);
}
}
}
}
else if (policyManager_.skipVerifyAndTrust(interest))
{
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex_0);
}
}
else
{
try {
onVerifyFailed.onVerifyInterestFailed(interest);
} catch (Exception ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifyInterestFailed", ex_1);
}
}
}
/// <summary>
/// Use wireFormat.decodeSignatureInfoAndValue to decode the last two name
/// components of the signed interest. Look in the IdentityStorage for the
/// public key with the name in the KeyLocator (if available) and use it to
/// verify the interest. If the public key can't be found, call onVerifyFailed.
/// </summary>
///
/// <param name="interest">The interest with the signature to check.</param>
/// <param name="stepCount"></param>
/// <param name="onVerified">NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <param name="onVerifyFailed">NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <returns>null for no further step for looking up a certificate chain.</returns>
public override ValidationRequest checkVerificationPolicy(Interest interest,
int stepCount, OnVerifiedInterest onVerified,
OnVerifyInterestFailed onVerifyFailed, WireFormat wireFormat)
{
// Decode the last two name components of the signed interest
net.named_data.jndn.Signature signature;
try {
signature = wireFormat.decodeSignatureInfoAndValue(interest
.getName().get(-2).getValue().buf(), interest.getName()
.get(-1).getValue().buf());
} catch (EncodingException ex) {
logger_.log(
ILOG.J2CsMapping.Util.Logging.Level.INFO,
"Cannot decode the signed interest SignatureInfo and value",
ex);
try {
onVerifyFailed.onVerifyInterestFailed(interest);
} catch (Exception exception) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifyInterestFailed",
exception);
}
return(null);
}
// wireEncode returns the cached encoding if available.
if (verify(signature, interest.wireEncode(wireFormat)))
{
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex_0);
}
}
else
{
try {
onVerifyFailed.onVerifyInterestFailed(interest);
} catch (Exception ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifyInterestFailed", ex_1);
}
}
// No more steps, so return a null ValidationRequest.
return(null);
}
/// <summary>
/// Use wireFormat.decodeSignatureInfoAndValue to decode the last two name
/// components of the signed interest. Look in the IdentityStorage for the
/// public key with the name in the KeyLocator (if available) and use it to
/// verify the interest. If the public key can't be found, call onVerifyFailed.
/// </summary>
///
/// <param name="interest">The interest with the signature to check.</param>
/// <param name="stepCount"></param>
/// <param name="onVerified">NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <param name="onValidationFailed">onValidationFailed.onInterestValidationFailed(interest, reason). NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <returns>null for no further step for looking up a certificate chain.</returns>
public override ValidationRequest checkVerificationPolicy(Interest interest,
int stepCount, OnVerifiedInterest onVerified,
OnInterestValidationFailed onValidationFailed, WireFormat wireFormat)
{
if (interest.getName().size() < 2) {
try {
onValidationFailed.onInterestValidationFailed(interest,
"The signed interest has less than 2 components: "
+ interest.getName().toUri());
} catch (Exception exception) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", exception);
}
return null;
}
// Decode the last two name components of the signed interest
Signature signature;
try {
signature = wireFormat.decodeSignatureInfoAndValue(interest
.getName().get(-2).getValue().buf(), interest.getName()
.get(-1).getValue().buf(), false);
} catch (EncodingException ex) {
logger_.log(
ILOG.J2CsMapping.Util.Logging.Level.INFO,
"Cannot decode the signed interest SignatureInfo and value",
ex);
try {
onValidationFailed.onInterestValidationFailed(interest,
"Error decoding the signed interest signature: " + ex);
} catch (Exception exception_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", exception_0);
}
return null;
}
String[] failureReason = new String[] { "unknown" };
// wireEncode returns the cached encoding if available.
if (verify(signature, interest.wireEncode(wireFormat), failureReason)) {
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex_1);
}
} else {
try {
onValidationFailed.onInterestValidationFailed(interest,
failureReason[0]);
} catch (Exception ex_2) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex_2);
}
}
// No more steps, so return a null ValidationRequest.
return null;
}
public void verifyInterest(Interest interest,
OnVerifiedInterest onVerified,
OnInterestValidationFailed onValidationFailed, int stepCount)
{
ILOG.J2CsMapping.Util.Logging.Logger.getLogger(this.GetType().FullName).log(ILOG.J2CsMapping.Util.Logging.Level.INFO,
"Enter Verify");
if (policyManager_.requireVerify(interest)) {
ValidationRequest nextStep = policyManager_
.checkVerificationPolicy(interest, stepCount, onVerified,
onValidationFailed);
if (nextStep != null) {
KeyChain.VerifyCallbacksForVerifyInterest callbacks = new KeyChain.VerifyCallbacksForVerifyInterest (
this, nextStep, nextStep.retry_, onValidationFailed, interest);
try {
face_.expressInterest(nextStep.interest_, callbacks,
callbacks);
} catch (IOException ex) {
try {
onValidationFailed.onInterestValidationFailed(interest,
"Error calling expressInterest " + ex);
} catch (Exception exception) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed",
exception);
}
}
}
} else if (policyManager_.skipVerifyAndTrust(interest)) {
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex_0);
}
} else {
try {
onValidationFailed
.onInterestValidationFailed(interest,
"The packet has no verify rule but skipVerifyAndTrust is false");
} catch (Exception ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex_1);
}
}
}
/// <summary>
/// Use wireFormat.decodeSignatureInfoAndValue to decode the last two name
/// components of the signed interest. Look in the IdentityStorage or PibImpl for the
/// public key with the name in the KeyLocator (if available) and use it to
/// verify the interest. If the public key can't be found, call
/// onValidationFailed.onInterestValidationFailed.
/// </summary>
///
/// <param name="interest">The interest with the signature to check.</param>
/// <param name="stepCount"></param>
/// <param name="onVerified">NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <param name="onValidationFailed">onValidationFailed.onInterestValidationFailed(interest, reason). NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <returns>null for no further step for looking up a certificate chain.</returns>
public override ValidationRequest checkVerificationPolicy(Interest interest,
int stepCount, OnVerifiedInterest onVerified,
OnInterestValidationFailed onValidationFailed, WireFormat wireFormat)
{
if (interest.getName().size() < 2)
{
try {
onValidationFailed.onInterestValidationFailed(interest,
"The signed interest has less than 2 components: "
+ interest.getName().toUri());
} catch (Exception exception) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", exception);
}
return(null);
}
// Decode the last two name components of the signed interest
Signature signature;
try {
signature = wireFormat.decodeSignatureInfoAndValue(interest
.getName().get(-2).getValue().buf(), interest.getName()
.get(-1).getValue().buf(), false);
} catch (EncodingException ex) {
logger_.log(
ILOG.J2CsMapping.Util.Logging.Level.INFO,
"Cannot decode the signed interest SignatureInfo and value",
ex);
try {
onValidationFailed.onInterestValidationFailed(interest,
"Error decoding the signed interest signature: " + ex);
} catch (Exception exception_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", exception_0);
}
return(null);
}
String[] failureReason = new String[] { "unknown" };
// wireEncode returns the cached encoding if available.
if (verify(signature, interest.wireEncode(wireFormat), failureReason))
{
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex_1);
}
}
else
{
try {
onValidationFailed.onInterestValidationFailed(interest,
failureReason[0]);
} catch (Exception ex_2) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex_2);
}
}
// No more steps, so return a null ValidationRequest.
return(null);
}
/// <summary>
/// Check whether the received signed interest complies with the verification
/// policy, and get the indication of the next verification step.
/// </summary>
///
/// <param name="interest">The interest with the signature to check.</param>
/// <param name="stepCount"></param>
/// <param name="onVerified">better error handling the callback should catch and properly handle any exceptions.</param>
/// <param name="onValidationFailed">NOTE: The library will log any exceptions thrown by this callback, but for better error handling the callback should catch and properly handle any exceptions.</param>
/// <returns>the indication of next verification step, null if there is no
/// further step.</returns>
public override sealed ValidationRequest checkVerificationPolicy(Interest interest,
int stepCount, OnVerifiedInterest onVerified,
OnInterestValidationFailed onValidationFailed, WireFormat wireFormat)
{
String[] failureReason = new String[] { "unknown" };
Signature signature = extractSignature(interest, wireFormat,
failureReason);
if (signature == null) {
// Can't get the signature from the interest name.
try {
onValidationFailed.onInterestValidationFailed(interest,
failureReason[0]);
} catch (Exception ex) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex);
}
return null;
}
// For command interests, we need to ignore the last 4 components when
// matching the name.
Interest certificateInterest = getCertificateInterest(stepCount,
"interest", interest.getName().getPrefix(-4), signature,
failureReason);
if (certificateInterest == null) {
try {
onValidationFailed.onInterestValidationFailed(interest,
failureReason[0]);
} catch (Exception ex_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex_0);
}
return null;
}
if (certificateInterest.getName().size() > 0)
return new ValidationRequest(certificateInterest,
new ConfigPolicyManager.OnCertificateDownloadCompleteForInterest (this, interest,
stepCount, onVerified, onValidationFailed,
wireFormat), new ConfigPolicyManager.OnVerifyInterestFailedWrapper (
onValidationFailed, interest), 2, stepCount + 1);
else {
// For interests, we must check that the timestamp is fresh enough.
// This is done after (possibly) downloading the certificate to avoid filling
// the cache with bad keys.
Name signatureName = net.named_data.jndn.KeyLocator.getFromSignature(signature)
.getKeyName();
Name keyName = net.named_data.jndn.security.certificate.IdentityCertificate
.certificateNameToPublicKeyName(signatureName);
double timestamp = interest.getName().get(-4).toNumber();
if (!interestTimestampIsFresh(keyName, timestamp, failureReason)) {
try {
onValidationFailed.onInterestValidationFailed(interest,
failureReason[0]);
} catch (Exception ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex_1);
}
return null;
}
// Certificate is known. Verify the signature.
// wireEncode returns the cached encoding if available.
if (verify(signature, interest.wireEncode(), failureReason)) {
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex_2) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex_2);
}
updateTimestampForKey(keyName, timestamp);
} else {
try {
onValidationFailed.onInterestValidationFailed(interest,
failureReason[0]);
} catch (Exception ex_3) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE,
"Error in onInterestValidationFailed", ex_3);
}
}
return null;
}
}
/// <summary>
/// Override to call onVerified.onVerifiedInterest(interest) and to indicate no
/// further verification step.
/// </summary>
///
/// <param name="interest">The interest with the signature (to ignore).</param>
/// <param name="stepCount"></param>
/// <param name="onVerified">better error handling the callback should catch and properly handle any exceptions.</param>
/// <param name="onValidationFailed">Override to ignore this.</param>
/// <returns>null for no further step.</returns>
public override sealed ValidationRequest checkVerificationPolicy(Interest interest,
int stepCount, OnVerifiedInterest onVerified,
OnInterestValidationFailed onValidationFailed, WireFormat wireFormat)
{
try {
onVerified.onVerifiedInterest(interest);
} catch (Exception ex) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onVerifiedInterest", ex);
}
return null;
}