pkijs
Version:
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
250 lines (212 loc) • 8.64 kB
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");
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 RFC5652
*/
var EncapsulatedContentInfo = function () {
//**********************************************************************************
/**
* Constructor for EncapsulatedContentInfo class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
function EncapsulatedContentInfo() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, EncapsulatedContentInfo);
//region Internal properties of the object
/**
* @type {string}
* @description eContentType
*/
this.eContentType = (0, _pvutils.getParametersValue)(parameters, "eContentType", EncapsulatedContentInfo.defaultValues("eContentType"));
if ("eContent" in parameters) {
/**
* @type {OctetString}
* @description eContent
*/
this.eContent = (0, _pvutils.getParametersValue)(parameters, "eContent", EncapsulatedContentInfo.defaultValues("eContent"));
if (this.eContent.idBlock.tagClass === 1 && this.eContent.idBlock.tagNumber === 4) {
//region Divide OCTETSTRING value down to small pieces
if (this.eContent.idBlock.isConstructed === false) {
var constrString = new asn1js.OctetString({
idBlock: { isConstructed: true },
isConstructed: true
});
var offset = 0;
var length = this.eContent.valueBlock.valueHex.byteLength;
while (length > 0) {
var pieceView = new Uint8Array(this.eContent.valueBlock.valueHex, offset, offset + 65536 > this.eContent.valueBlock.valueHex.byteLength ? this.eContent.valueBlock.valueHex.byteLength - offset : 65536);
var _array = new ArrayBuffer(pieceView.length);
var _view = new Uint8Array(_array);
for (var i = 0; i < _view.length; i++) {
_view[i] = pieceView[i];
}constrString.valueBlock.value.push(new asn1js.OctetString({ valueHex: _array }));
length -= pieceView.length;
offset += pieceView.length;
}
this.eContent = constrString;
}
//endregion
}
}
//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(EncapsulatedContentInfo, [{
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, EncapsulatedContentInfo.schema({
names: {
eContentType: "eContentType",
eContent: "eContent"
}
}));
if (asn1.verified === false) throw new Error("Object's schema was not verified against input data for EncapsulatedContentInfo");
//endregion
//region Get internal properties from parsed schema
this.eContentType = asn1.result.eContentType.valueBlock.toString();
if ("eContent" in asn1.result) this.eContent = asn1.result.eContent;
//endregion
}
//**********************************************************************************
/**
* Convert current object to asn1js object and set correct values
* @returns {Object} asn1js object
*/
}, {
key: "toSchema",
value: function toSchema() {
//region Create array for output sequence
var outputArray = [];
outputArray.push(new asn1js.ObjectIdentifier({ value: this.eContentType }));
if ("eContent" in this) {
if (EncapsulatedContentInfo.compareWithDefault("eContent", this.eContent) === false) {
outputArray.push(new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [this.eContent]
}));
}
}
//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 = {
eContentType: this.eContentType
};
if ("eContent" in this) {
if (EncapsulatedContentInfo.compareWithDefault("eContent", this.eContent) === false) _object.eContent = this.eContent.toJSON();
}
return _object;
}
//**********************************************************************************
}], [{
key: "defaultValues",
value: function defaultValues(memberName) {
switch (memberName) {
case "eContentType":
return "";
case "eContent":
return new asn1js.OctetString();
default:
throw new Error("Invalid member name for EncapsulatedContentInfo 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 "eContentType":
return memberValue === "";
case "eContent":
{
if (memberValue.idBlock.tagClass === 1 && memberValue.idBlock.tagNumber === 4) return memberValue.isEqual(EncapsulatedContentInfo.defaultValues("eContent"));
return false;
}
default:
throw new Error("Invalid member name for EncapsulatedContentInfo 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] : {};
//EncapsulatedContentInfo ::= SEQUENCE {
// eContentType ContentType,
// eContent [0] EXPLICIT OCTET STRING OPTIONAL } // Changed it to ANY, as in PKCS#7
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [type]
* @property {string} [setName]
* @property {string} [values]
*/
var names = (0, _pvutils.getParametersValue)(parameters, "names", {});
return new asn1js.Sequence({
name: names.blockName || "",
value: [new asn1js.ObjectIdentifier({ name: names.eContentType || "" }), new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [new asn1js.Any({ name: names.eContent || "" }) // In order to aling this with PKCS#7 and CMS as well
]
})]
});
}
}]);
return EncapsulatedContentInfo;
}();
//**************************************************************************************
exports.default = EncapsulatedContentInfo;
//# sourceMappingURL=EncapsulatedContentInfo.js.map