pkijs
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Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p
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JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _asn1js = require("asn1js");
var asn1js = _interopRequireWildcard(_asn1js);
var _pvutils = require("pvutils");
var _AlgorithmIdentifier = require("./AlgorithmIdentifier.js");
var _AlgorithmIdentifier2 = _interopRequireDefault(_AlgorithmIdentifier);
var _Certificate = require("./Certificate.js");
var _Certificate2 = _interopRequireDefault(_Certificate);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
//**************************************************************************************
/**
* Class from RFC6960
*/
var Signature = function () {
//**********************************************************************************
/**
* Constructor for Signature class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
function Signature() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, Signature);
//region Internal properties of the object
/**
* @type {AlgorithmIdentifier}
* @description signatureAlgorithm
*/
this.signatureAlgorithm = (0, _pvutils.getParametersValue)(parameters, "signatureAlgorithm", Signature.defaultValues("signatureAlgorithm"));
/**
* @type {BitString}
* @description signature
*/
this.signature = (0, _pvutils.getParametersValue)(parameters, "signature", Signature.defaultValues("signature"));
if ("certs" in parameters)
/**
* @type {Array.<Certificate>}
* @description certs
*/
this.certs = (0, _pvutils.getParametersValue)(parameters, "certs", Signature.defaultValues("certs"));
//endregion
//region If input argument array contains "schema" for this object
if ("schema" in parameters) this.fromSchema(parameters.schema);
//endregion
}
//**********************************************************************************
/**
* Return default values for all class members
* @param {string} memberName String name for a class member
*/
_createClass(Signature, [{
key: "fromSchema",
//**********************************************************************************
/**
* Convert parsed asn1js object into current class
* @param {!Object} schema
*/
value: function fromSchema(schema) {
//region Check the schema is valid
var asn1 = asn1js.compareSchema(schema, schema, Signature.schema({
names: {
signatureAlgorithm: {
names: {
blockName: "signatureAlgorithm"
}
},
signature: "signature",
certs: "certs"
}
}));
if (asn1.verified === false) throw new Error("Object's schema was not verified against input data for Signature");
//endregion
//region Get internal properties from parsed schema
this.signatureAlgorithm = new _AlgorithmIdentifier2.default({ schema: asn1.result.signatureAlgorithm });
this.signature = asn1.result.signature;
if ("certs" in asn1.result) this.certs = Array.from(asn1.result.certs, function (element) {
return new _Certificate2.default({ schema: element });
});
//endregion
}
//**********************************************************************************
/**
* Convert current object to asn1js object and set correct values
* @returns {Object} asn1js object
*/
}, {
key: "toSchema",
value: function toSchema() {
//region Create array of output sequence
var outputArray = [];
outputArray.push(this.signatureAlgorithm.toSchema());
outputArray.push(this.signature);
if ("certs" in this) {
outputArray.push(new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [new asn1js.Sequence({
value: Array.from(this.certs, function (element) {
return element.toSchema();
})
})]
}));
}
//endregion
//region Construct and return new ASN.1 schema for this object
return new asn1js.Sequence({
value: outputArray
});
//endregion
}
//**********************************************************************************
/**
* Convertion for the class to JSON object
* @returns {Object}
*/
}, {
key: "toJSON",
value: function toJSON() {
var _object = {
signatureAlgorithm: this.signatureAlgorithm.toJSON(),
signature: this.signature.toJSON()
};
if ("certs" in this) _object.certs = Array.from(this.certs, function (element) {
return element.toJSON();
});
return _object;
}
//**********************************************************************************
}], [{
key: "defaultValues",
value: function defaultValues(memberName) {
switch (memberName) {
case "signatureAlgorithm":
return new _AlgorithmIdentifier2.default();
case "signature":
return new asn1js.BitString();
case "certs":
return [];
default:
throw new Error("Invalid member name for Signature class: " + memberName);
}
}
//**********************************************************************************
/**
* Compare values with default values for all class members
* @param {string} memberName String name for a class member
* @param {*} memberValue Value to compare with default value
*/
}, {
key: "compareWithDefault",
value: function compareWithDefault(memberName, memberValue) {
switch (memberName) {
case "signatureAlgorithm":
return memberValue.algorithmId === "" && "algorithmParams" in memberValue === false;
case "signature":
return memberValue.isEqual(Signature.defaultValues(memberName));
case "certs":
return memberValue.length === 0;
default:
throw new Error("Invalid member name for Signature class: " + memberName);
}
}
//**********************************************************************************
/**
* Return value of asn1js schema for current class
* @param {Object} parameters Input parameters for the schema
* @returns {Object} asn1js schema object
*/
}, {
key: "schema",
value: function schema() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
//Signature ::= SEQUENCE {
// signatureAlgorithm AlgorithmIdentifier,
// signature BIT STRING,
// certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [signatureAlgorithm]
* @property {string} [signature]
* @property {string} [certs]
*/
var names = (0, _pvutils.getParametersValue)(parameters, "names", {});
return new asn1js.Sequence({
name: names.blockName || "",
value: [_AlgorithmIdentifier2.default.schema(names.signatureAlgorithm || {}), new asn1js.BitString({ name: names.signature || "" }), new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [new asn1js.Sequence({
value: [new asn1js.Repeated({
name: names.certs || "",
value: _Certificate2.default.schema(names.certs || {})
})]
})]
})]
});
}
}]);
return Signature;
}();
//**************************************************************************************
exports.default = Signature;
//# sourceMappingURL=Signature.js.map