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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const tls = require('tls');
const {
ArrayPrototypePush,
ObjectCreate,
StringPrototypeReplace,
} = primordials;
const {
codes: {
ERR_TLS_INVALID_PROTOCOL_VERSION,
ERR_TLS_PROTOCOL_VERSION_CONFLICT,
},
} = require('internal/errors');
const {
crypto: {
SSL_OP_CIPHER_SERVER_PREFERENCE,
TLS1_VERSION,
TLS1_1_VERSION,
TLS1_2_VERSION,
TLS1_3_VERSION,
},
} = internalBinding('constants');
const {
validateInteger,
} = require('internal/validators');
const {
configSecureContext,
parseCertString,
} = require('internal/tls');
function toV(which, v, def) {
if (v == null) v = def;
if (v === 'TLSv1') return TLS1_VERSION;
if (v === 'TLSv1.1') return TLS1_1_VERSION;
if (v === 'TLSv1.2') return TLS1_2_VERSION;
if (v === 'TLSv1.3') return TLS1_3_VERSION;
throw new ERR_TLS_INVALID_PROTOCOL_VERSION(v, which);
}
const {
SecureContext: NativeSecureContext,
} = internalBinding('crypto');
function SecureContext(secureProtocol, secureOptions, minVersion, maxVersion) {
if (!(this instanceof SecureContext)) {
return new SecureContext(secureProtocol, secureOptions, minVersion,
maxVersion);
}
if (secureProtocol) {
if (minVersion != null)
throw new ERR_TLS_PROTOCOL_VERSION_CONFLICT(minVersion, secureProtocol);
if (maxVersion != null)
throw new ERR_TLS_PROTOCOL_VERSION_CONFLICT(maxVersion, secureProtocol);
}
this.context = new NativeSecureContext();
this.context.init(secureProtocol,
toV('minimum', minVersion, tls.DEFAULT_MIN_VERSION),
toV('maximum', maxVersion, tls.DEFAULT_MAX_VERSION));
if (secureOptions) {
validateInteger(secureOptions, 'secureOptions');
this.context.setOptions(secureOptions);
}
}
function createSecureContext(options) {
if (!options) options = {};
const {
honorCipherOrder,
minVersion,
maxVersion,
secureProtocol,
} = options;
let { secureOptions } = options;
if (honorCipherOrder)
secureOptions |= SSL_OP_CIPHER_SERVER_PREFERENCE;
const c = new SecureContext(secureProtocol, secureOptions,
minVersion, maxVersion);
configSecureContext(c.context, options);
return c;
}
// Translate some fields from the handle's C-friendly format into more idiomatic
// javascript object representations before passing them back to the user. Can
// be used on any cert object, but changing the name would be semver-major.
function translatePeerCertificate(c) {
if (!c)
return null;
if (c.issuer != null) c.issuer = parseCertString(c.issuer);
if (c.issuerCertificate != null && c.issuerCertificate !== c) {
c.issuerCertificate = translatePeerCertificate(c.issuerCertificate);
}
if (c.subject != null) c.subject = parseCertString(c.subject);
if (c.infoAccess != null) {
const info = c.infoAccess;
c.infoAccess = ObjectCreate(null);
// XXX: More key validation?
StringPrototypeReplace(info, /([^\n:]*):([^\n]*)(?:\n|$)/g,
(all, key, val) => {
if (key in c.infoAccess)
ArrayPrototypePush(c.infoAccess[key], val);
else
c.infoAccess[key] = [val];
});
}
return c;
}
module.exports = {
SecureContext,
createSecureContext,
translatePeerCertificate,
};
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