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const {
ObjectSetPrototypeOf,
SafeMap,
Symbol,
} = primordials;
const {
parseX509,
X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT,
X509_CHECK_FLAG_NEVER_CHECK_SUBJECT,
X509_CHECK_FLAG_NO_WILDCARDS,
X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS,
X509_CHECK_FLAG_MULTI_LABEL_WILDCARDS,
X509_CHECK_FLAG_SINGLE_LABEL_SUBDOMAINS,
} = internalBinding('crypto');
const {
PublicKeyObject,
isKeyObject,
} = require('internal/crypto/keys');
const {
customInspectSymbol: kInspect,
kEmptyObject,
} = require('internal/util');
const {
validateBoolean,
validateObject,
validateString,
} = require('internal/validators');
const { inspect } = require('internal/util/inspect');
const { Buffer } = require('buffer');
const {
isArrayBufferView,
} = require('internal/util/types');
const {
codes: {
ERR_INVALID_ARG_TYPE,
ERR_INVALID_ARG_VALUE,
}
} = require('internal/errors');
const {
JSTransferable,
kClone,
kDeserialize,
} = require('internal/worker/js_transferable');
const {
kHandle,
} = require('internal/crypto/util');
let lazyTranslatePeerCertificate;
const kInternalState = Symbol('kInternalState');
function isX509Certificate(value) {
return value[kInternalState] !== undefined;
}
function getFlags(options = kEmptyObject) {
validateObject(options, 'options');
const {
subject = 'default', // Can be 'default', 'always', or 'never'
wildcards = true,
partialWildcards = true,
multiLabelWildcards = false,
singleLabelSubdomains = false,
} = { ...options };
let flags = 0;
validateString(subject, 'options.subject');
validateBoolean(wildcards, 'options.wildcards');
validateBoolean(partialWildcards, 'options.partialWildcards');
validateBoolean(multiLabelWildcards, 'options.multiLabelWildcards');
validateBoolean(singleLabelSubdomains, 'options.singleLabelSubdomains');
switch (subject) {
case 'default': /* Matches OpenSSL's default, no flags. */ break;
case 'always': flags |= X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT; break;
case 'never': flags |= X509_CHECK_FLAG_NEVER_CHECK_SUBJECT; break;
default:
throw new ERR_INVALID_ARG_VALUE('options.subject', subject);
}
if (!wildcards) flags |= X509_CHECK_FLAG_NO_WILDCARDS;
if (!partialWildcards) flags |= X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS;
if (multiLabelWildcards) flags |= X509_CHECK_FLAG_MULTI_LABEL_WILDCARDS;
if (singleLabelSubdomains) flags |= X509_CHECK_FLAG_SINGLE_LABEL_SUBDOMAINS;
return flags;
}
class InternalX509Certificate extends JSTransferable {
[kInternalState] = new SafeMap();
constructor(handle) {
super();
this[kHandle] = handle;
}
}
class X509Certificate extends JSTransferable {
[kInternalState] = new SafeMap();
constructor(buffer) {
if (typeof buffer === 'string')
buffer = Buffer.from(buffer);
if (!isArrayBufferView(buffer)) {
throw new ERR_INVALID_ARG_TYPE(
'buffer',
['string', 'Buffer', 'TypedArray', 'DataView'],
buffer);
}
super();
this[kHandle] = parseX509(buffer);
}
[kInspect](depth, options) {
if (depth < 0)
return this;
const opts = {
...options,
depth: options.depth == null ? null : options.depth - 1
};
return `X509Certificate ${inspect({
subject: this.subject,
subjectAltName: this.subjectAltName,
issuer: this.issuer,
infoAccess: this.infoAccess,
validFrom: this.validFrom,
validTo: this.validTo,
fingerprint: this.fingerprint,
fingerprint256: this.fingerprint256,
fingerprint512: this.fingerprint512,
keyUsage: this.keyUsage,
serialNumber: this.serialNumber,
}, opts)}`;
}
[kClone]() {
const handle = this[kHandle];
return {
data: { handle },
deserializeInfo: 'internal/crypto/x509:InternalX509Certificate'
};
}
[kDeserialize]({ handle }) {
this[kHandle] = handle;
}
get subject() {
let value = this[kInternalState].get('subject');
if (value === undefined) {
value = this[kHandle].subject();
this[kInternalState].set('subject', value);
}
return value;
}
get subjectAltName() {
let value = this[kInternalState].get('subjectAltName');
if (value === undefined) {
value = this[kHandle].subjectAltName();
this[kInternalState].set('subjectAltName', value);
}
return value;
}
get issuer() {
let value = this[kInternalState].get('issuer');
if (value === undefined) {
value = this[kHandle].issuer();
this[kInternalState].set('issuer', value);
}
return value;
}
get issuerCertificate() {
let value = this[kInternalState].get('issuerCertificate');
if (value === undefined) {
const cert = this[kHandle].getIssuerCert();
if (cert)
value = new InternalX509Certificate(this[kHandle].getIssuerCert());
this[kInternalState].set('issuerCertificate', value);
}
return value;
}
get infoAccess() {
let value = this[kInternalState].get('infoAccess');
if (value === undefined) {
value = this[kHandle].infoAccess();
this[kInternalState].set('infoAccess', value);
}
return value;
}
get validFrom() {
let value = this[kInternalState].get('validFrom');
if (value === undefined) {
value = this[kHandle].validFrom();
this[kInternalState].set('validFrom', value);
}
return value;
}
get validTo() {
let value = this[kInternalState].get('validTo');
if (value === undefined) {
value = this[kHandle].validTo();
this[kInternalState].set('validTo', value);
}
return value;
}
get fingerprint() {
let value = this[kInternalState].get('fingerprint');
if (value === undefined) {
value = this[kHandle].fingerprint();
this[kInternalState].set('fingerprint', value);
}
return value;
}
get fingerprint256() {
let value = this[kInternalState].get('fingerprint256');
if (value === undefined) {
value = this[kHandle].fingerprint256();
this[kInternalState].set('fingerprint256', value);
}
return value;
}
get fingerprint512() {
let value = this[kInternalState].get('fingerprint512');
if (value === undefined) {
value = this[kHandle].fingerprint512();
this[kInternalState].set('fingerprint512', value);
}
return value;
}
get keyUsage() {
let value = this[kInternalState].get('keyUsage');
if (value === undefined) {
value = this[kHandle].keyUsage();
this[kInternalState].set('keyUsage', value);
}
return value;
}
get serialNumber() {
let value = this[kInternalState].get('serialNumber');
if (value === undefined) {
value = this[kHandle].serialNumber();
this[kInternalState].set('serialNumber', value);
}
return value;
}
get raw() {
let value = this[kInternalState].get('raw');
if (value === undefined) {
value = this[kHandle].raw();
this[kInternalState].set('raw', value);
}
return value;
}
get publicKey() {
let value = this[kInternalState].get('publicKey');
if (value === undefined) {
value = new PublicKeyObject(this[kHandle].publicKey());
this[kInternalState].set('publicKey', value);
}
return value;
}
toString() {
let value = this[kInternalState].get('pem');
if (value === undefined) {
value = this[kHandle].pem();
this[kInternalState].set('pem', value);
}
return value;
}
// There's no standardized JSON encoding for X509 certs so we
// fallback to providing the PEM encoding as a string.
toJSON() { return this.toString(); }
get ca() {
let value = this[kInternalState].get('ca');
if (value === undefined) {
value = this[kHandle].checkCA();
this[kInternalState].set('ca', value);
}
return value;
}
checkHost(name, options) {
validateString(name, 'name');
return this[kHandle].checkHost(name, getFlags(options));
}
checkEmail(email, options) {
validateString(email, 'email');
return this[kHandle].checkEmail(email, getFlags(options));
}
checkIP(ip, options) {
validateString(ip, 'ip');
// The options argument is currently undocumented since none of the options
// have any effect on the behavior of this function. However, we still parse
// the options argument in case OpenSSL adds flags in the future that do
// affect the behavior of X509_check_ip. This ensures that no invalid values
// are passed as the second argument in the meantime.
return this[kHandle].checkIP(ip, getFlags(options));
}
checkIssued(otherCert) {
if (!isX509Certificate(otherCert))
throw new ERR_INVALID_ARG_TYPE('otherCert', 'X509Certificate', otherCert);
return this[kHandle].checkIssued(otherCert[kHandle]);
}
checkPrivateKey(pkey) {
if (!isKeyObject(pkey))
throw new ERR_INVALID_ARG_TYPE('pkey', 'KeyObject', pkey);
if (pkey.type !== 'private')
throw new ERR_INVALID_ARG_VALUE('pkey', pkey);
return this[kHandle].checkPrivateKey(pkey[kHandle]);
}
verify(pkey) {
if (!isKeyObject(pkey))
throw new ERR_INVALID_ARG_TYPE('pkey', 'KeyObject', pkey);
if (pkey.type !== 'public')
throw new ERR_INVALID_ARG_VALUE('pkey', pkey);
return this[kHandle].verify(pkey[kHandle]);
}
toLegacyObject() {
// TODO(tniessen): do not depend on translatePeerCertificate here, return
// the correct legacy representation from the binding
lazyTranslatePeerCertificate ??=
require('_tls_common').translatePeerCertificate;
return lazyTranslatePeerCertificate(this[kHandle].toLegacy());
}
}
InternalX509Certificate.prototype.constructor = X509Certificate;
ObjectSetPrototypeOf(
InternalX509Certificate.prototype,
X509Certificate.prototype);
module.exports = {
X509Certificate,
InternalX509Certificate,
isX509Certificate,
};
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