x509-ts
Version:
Encode and decode X.509 (TLS) Certificates, Attribute Certificates, CRLs, and more.
99 lines • 5.51 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const GeneralSubtree_1 = __importDefault(require("./GeneralSubtree"));
const asn1_ts_1 = require("asn1-ts");
const errors = __importStar(require("../errors"));
class NameConstraintsSyntax {
constructor(permittedSubtrees, excludedSubtrees) {
this.permittedSubtrees = permittedSubtrees;
this.excludedSubtrees = excludedSubtrees;
if (!permittedSubtrees && !excludedSubtrees) {
throw new errors.X509Error("NameConstraintsSyntax requires either permittedSubtrees or excludedSubtrees to be defined.");
}
}
static fromElement(value) {
switch (value.validateTag([asn1_ts_1.ASN1TagClass.universal], [asn1_ts_1.ASN1Construction.constructed], [asn1_ts_1.ASN1UniversalType.sequence])) {
case 0: break;
case -1: throw new errors.X509Error("Invalid tag class on NameConstraintsSyntax");
case -2: throw new errors.X509Error("Invalid construction on NameConstraintsSyntax");
case -3: throw new errors.X509Error("Invalid tag number on NameConstraintsSyntax");
default: throw new errors.X509Error("Undefined error when validating NameConstraintsSyntax tag");
}
const nameConstraintsSyntaxElements = value.sequence;
if (nameConstraintsSyntaxElements.length === 0) {
throw new errors.X509Error("NameConstraintsSyntax SEQUENCE was constituted from zero elements");
}
let permittedSubtrees;
let excludedSubtrees;
let fixedPositionElementsEncountered = 0;
nameConstraintsSyntaxElements.forEach((element) => {
if (element.tagClass === asn1_ts_1.ASN1TagClass.context) {
if (element.tagNumber === 0) {
if (element.construction !== asn1_ts_1.ASN1Construction.primitive) {
throw new errors.X509Error("NameConstraintsSyntax.permittedSubtrees was not primitively constructed");
}
if (permittedSubtrees) {
throw new errors.X509Error("NameConstraintsSyntax.permittedSubtrees already defined");
}
permittedSubtrees = element.sequence.map(GeneralSubtree_1.default.fromElement);
fixedPositionElementsEncountered++;
}
else if (element.tagNumber === 1) {
if (element.construction !== asn1_ts_1.ASN1Construction.primitive) {
throw new errors.X509Error("NameConstraintsSyntax.excludedSubtrees was not primitively constructed");
}
if (excludedSubtrees) {
throw new errors.X509Error("NameConstraintsSyntax.excludedSubtrees already defined");
}
excludedSubtrees = element.sequence.map((xsub) => GeneralSubtree_1.default.fromElement(xsub));
fixedPositionElementsEncountered++;
}
}
});
if (!asn1_ts_1.DERElement.isUniquelyTagged(nameConstraintsSyntaxElements.slice(fixedPositionElementsEncountered))) {
throw new errors.X509Error("Elements of GeneralSubtree were not uniquely tagged");
}
if (!asn1_ts_1.DERElement.isInCanonicalOrder(nameConstraintsSyntaxElements.slice(fixedPositionElementsEncountered))) {
throw new errors.X509Error("Extended elements of GeneralSubtree were not in canonical order");
}
return new NameConstraintsSyntax(permittedSubtrees, excludedSubtrees);
}
toElement() {
const nameConstraintsSyntaxElements = [];
if (this.permittedSubtrees) {
const permittedSubtreesElement = new asn1_ts_1.DERElement(asn1_ts_1.ASN1TagClass.context, asn1_ts_1.ASN1Construction.constructed, 0);
permittedSubtreesElement.sequence
= this.permittedSubtrees.map((psub) => psub.toElement());
nameConstraintsSyntaxElements.push(permittedSubtreesElement);
}
if (this.excludedSubtrees) {
const excludedSubtreesElement = new asn1_ts_1.DERElement(asn1_ts_1.ASN1TagClass.context, asn1_ts_1.ASN1Construction.constructed, 1);
excludedSubtreesElement.sequence
= this.excludedSubtrees.map((xsub) => xsub.toElement());
nameConstraintsSyntaxElements.push(excludedSubtreesElement);
}
const nameConstraintsSyntaxElement = new asn1_ts_1.DERElement(asn1_ts_1.ASN1TagClass.universal, asn1_ts_1.ASN1Construction.constructed, asn1_ts_1.ASN1UniversalType.sequence);
nameConstraintsSyntaxElement.sequence = nameConstraintsSyntaxElements;
return nameConstraintsSyntaxElement;
}
static fromBytes(value) {
const el = new asn1_ts_1.DERElement();
el.fromBytes(value);
return NameConstraintsSyntax.fromElement(el);
}
toBytes() {
return this.toElement().toBytes();
}
}
exports.default = NameConstraintsSyntax;
//# sourceMappingURL=NameConstraintsSyntax.js.map