ndn-js
Version:
A JavaScript client library for Named Data Networking
117 lines (107 loc) • 3.89 kB
JavaScript
/**
* Copyright (C) 2014-2019 Regents of the University of California.
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* From ndn-cxx security by Yingdi Yu <yingdi@cs.ucla.edu>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* A copy of the GNU Lesser General Public License is in the file COPYING.
*/
/** @ignore */
var Name = require('../../name.js').Name; /** @ignore */
var PolicyManager = require('./policy-manager.js').PolicyManager; /** @ignore */
var NdnCommon = require('../../util/ndn-common.js').NdnCommon;
/**
* @constructor
*/
var NoVerifyPolicyManager = function NoVerifyPolicyManager()
{
// Call the base constructor.
PolicyManager.call(this);
};
NoVerifyPolicyManager.prototype = new PolicyManager();
NoVerifyPolicyManager.prototype.name = "NoVerifyPolicyManager";
exports.NoVerifyPolicyManager = NoVerifyPolicyManager;
/**
* Override to always skip verification and trust as valid.
*
* @param {Data|Interest} dataOrInterest The received data packet or interest.
* @return {boolean} True.
*/
NoVerifyPolicyManager.prototype.skipVerifyAndTrust = function(dataOrInterest)
{
return true;
};
/**
* Override to return false for no verification rule for the received data or
* signed interest.
*
* @param {Data|Interest} dataOrInterest The received data packet or interest.
* @return {boolean} False.
*/
NoVerifyPolicyManager.prototype.requireVerify = function(dataOrInterest)
{
return false;
};
/**
* Override to call onVerified(data) and to indicate no further verification
* step.
*
* @param {Data|Interest} dataOrInterest The Data object or interest with the
* signature to check.
* @param {number} stepCount The number of verification steps that have been
* done, used to track the verification progress.
* @param {function} onVerified This does override to call
* onVerified(dataOrInterest).
* 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 {function} onValidationFailed Override to ignore this.
* @param {WireFormat} wireFormat
* @return {ValidationRequest} null for no further step for looking up a
* certificate chain.
*/
NoVerifyPolicyManager.prototype.checkVerificationPolicy = function
(dataOrInterest, stepCount, onVerified, onValidationFailed, wireFormat)
{
try {
onVerified(dataOrInterest);
} catch (ex) {
console.log("Error in onVerified: " + NdnCommon.getErrorWithStackTrace(ex));
}
return null;
};
/**
* Override to always indicate that the signing certificate name and data name
* satisfy the signing policy.
*
* @param {Name} dataName The name of data to be signed.
* @param {Name} certificateName The name of signing certificate.
* @return {boolean} True to indicate that the signing certificate can be used
* to sign the data.
*/
NoVerifyPolicyManager.prototype.checkSigningPolicy = function
(dataName, certificateName)
{
return true;
};
/**
* Override to indicate that the signing identity cannot be inferred.
*
* @param {Name} dataName The name of data to be signed.
* @return {Name} An empty name because cannot infer.
*/
NoVerifyPolicyManager.prototype.inferSigningIdentity = function(dataName)
{
return new Name();
};