Current File : //usr/share/node_modules/@types/node/ts4.8/tls.d.ts
/**
* The `tls` module provides an implementation of the Transport Layer Security
* (TLS) and Secure Socket Layer (SSL) protocols that is built on top of OpenSSL.
* The module can be accessed using:
*
* ```js
* const tls = require('tls');
* ```
* @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/tls.js)
*/
declare module "tls" {
import { X509Certificate } from "node:crypto";
import * as net from "node:net";
import * as stream from "stream";
const CLIENT_RENEG_LIMIT: number;
const CLIENT_RENEG_WINDOW: number;
interface Certificate {
/**
* Country code.
*/
C: string;
/**
* Street.
*/
ST: string;
/**
* Locality.
*/
L: string;
/**
* Organization.
*/
O: string;
/**
* Organizational unit.
*/
OU: string;
/**
* Common name.
*/
CN: string;
}
interface PeerCertificate {
/**
* `true` if a Certificate Authority (CA), `false` otherwise.
* @since v18.13.0
*/
ca: boolean;
/**
* The DER encoded X.509 certificate data.
*/
raw: Buffer;
/**
* The certificate subject.
*/
subject: Certificate;
/**
* The certificate issuer, described in the same terms as the `subject`.
*/
issuer: Certificate;
/**
* The date-time the certificate is valid from.
*/
valid_from: string;
/**
* The date-time the certificate is valid to.
*/
valid_to: string;
/**
* The certificate serial number, as a hex string.
*/
serialNumber: string;
/**
* The SHA-1 digest of the DER encoded certificate.
* It is returned as a `:` separated hexadecimal string.
*/
fingerprint: string;
/**
* The SHA-256 digest of the DER encoded certificate.
* It is returned as a `:` separated hexadecimal string.
*/
fingerprint256: string;
/**
* The SHA-512 digest of the DER encoded certificate.
* It is returned as a `:` separated hexadecimal string.
*/
fingerprint512: string;
/**
* The extended key usage, a set of OIDs.
*/
ext_key_usage?: string[];
/**
* A string containing concatenated names for the subject,
* an alternative to the `subject` names.
*/
subjectaltname?: string;
/**
* An array describing the AuthorityInfoAccess, used with OCSP.
*/
infoAccess?: NodeJS.Dict<string[]>;
/**
* For RSA keys: The RSA bit size.
*
* For EC keys: The key size in bits.
*/
bits?: number;
/**
* The RSA exponent, as a string in hexadecimal number notation.
*/
exponent?: string;
/**
* The RSA modulus, as a hexadecimal string.
*/
modulus?: string;
/**
* The public key.
*/
pubkey?: Buffer;
/**
* The ASN.1 name of the OID of the elliptic curve.
* Well-known curves are identified by an OID.
* While it is unusual, it is possible that the curve
* is identified by its mathematical properties,
* in which case it will not have an OID.
*/
asn1Curve?: string;
/**
* The NIST name for the elliptic curve,if it has one
* (not all well-known curves have been assigned names by NIST).
*/
nistCurve?: string;
}
interface DetailedPeerCertificate extends PeerCertificate {
/**
* The issuer certificate object.
* For self-signed certificates, this may be a circular reference.
*/
issuerCertificate: DetailedPeerCertificate;
}
interface CipherNameAndProtocol {
/**
* The cipher name.
*/
name: string;
/**
* SSL/TLS protocol version.
*/
version: string;
/**
* IETF name for the cipher suite.
*/
standardName: string;
}
interface EphemeralKeyInfo {
/**
* The supported types are 'DH' and 'ECDH'.
*/
type: string;
/**
* The name property is available only when type is 'ECDH'.
*/
name?: string | undefined;
/**
* The size of parameter of an ephemeral key exchange.
*/
size: number;
}
interface KeyObject {
/**
* Private keys in PEM format.
*/
pem: string | Buffer;
/**
* Optional passphrase.
*/
passphrase?: string | undefined;
}
interface PxfObject {
/**
* PFX or PKCS12 encoded private key and certificate chain.
*/
buf: string | Buffer;
/**
* Optional passphrase.
*/
passphrase?: string | undefined;
}
interface TLSSocketOptions extends SecureContextOptions, CommonConnectionOptions {
/**
* If true the TLS socket will be instantiated in server-mode.
* Defaults to false.
*/
isServer?: boolean | undefined;
/**
* An optional net.Server instance.
*/
server?: net.Server | undefined;
/**
* An optional Buffer instance containing a TLS session.
*/
session?: Buffer | undefined;
/**
* If true, specifies that the OCSP status request extension will be
* added to the client hello and an 'OCSPResponse' event will be
* emitted on the socket before establishing a secure communication
*/
requestOCSP?: boolean | undefined;
}
/**
* Performs transparent encryption of written data and all required TLS
* negotiation.
*
* Instances of `tls.TLSSocket` implement the duplex `Stream` interface.
*
* Methods that return TLS connection metadata (e.g.{@link TLSSocket.getPeerCertificate} will only return data while the
* connection is open.
* @since v0.11.4
*/
class TLSSocket extends net.Socket {
/**
* Construct a new tls.TLSSocket object from an existing TCP socket.
*/
constructor(socket: net.Socket, options?: TLSSocketOptions);
/**
* This property is `true` if the peer certificate was signed by one of the CAs
* specified when creating the `tls.TLSSocket` instance, otherwise `false`.
* @since v0.11.4
*/
authorized: boolean;
/**
* Returns the reason why the peer's certificate was not been verified. This
* property is set only when `tlsSocket.authorized === false`.
* @since v0.11.4
*/
authorizationError: Error;
/**
* Always returns `true`. This may be used to distinguish TLS sockets from regular`net.Socket` instances.
* @since v0.11.4
*/
encrypted: true;
/**
* String containing the selected ALPN protocol.
* Before a handshake has completed, this value is always null.
* When a handshake is completed but not ALPN protocol was selected, tlsSocket.alpnProtocol equals false.
*/
alpnProtocol: string | false | null;
/**
* Returns an object representing the local certificate. The returned object has
* some properties corresponding to the fields of the certificate.
*
* See {@link TLSSocket.getPeerCertificate} for an example of the certificate
* structure.
*
* If there is no local certificate, an empty object will be returned. If the
* socket has been destroyed, `null` will be returned.
* @since v11.2.0
*/
getCertificate(): PeerCertificate | object | null;
/**
* Returns an object containing information on the negotiated cipher suite.
*
* For example:
*
* ```json
* {
* "name": "AES128-SHA256",
* "standardName": "TLS_RSA_WITH_AES_128_CBC_SHA256",
* "version": "TLSv1.2"
* }
* ```
*
* See [SSL\_CIPHER\_get\_name](https://www.openssl.org/docs/man1.1.1/man3/SSL_CIPHER_get_name.html) for more information.
* @since v0.11.4
*/
getCipher(): CipherNameAndProtocol;
/**
* Returns an object representing the type, name, and size of parameter of
* an ephemeral key exchange in `perfect forward secrecy` on a client
* connection. It returns an empty object when the key exchange is not
* ephemeral. As this is only supported on a client socket; `null` is returned
* if called on a server socket. The supported types are `'DH'` and `'ECDH'`. The`name` property is available only when type is `'ECDH'`.
*
* For example: `{ type: 'ECDH', name: 'prime256v1', size: 256 }`.
* @since v5.0.0
*/
getEphemeralKeyInfo(): EphemeralKeyInfo | object | null;
/**
* As the `Finished` messages are message digests of the complete handshake
* (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
* be used for external authentication procedures when the authentication
* provided by SSL/TLS is not desired or is not enough.
*
* Corresponds to the `SSL_get_finished` routine in OpenSSL and may be used
* to implement the `tls-unique` channel binding from [RFC 5929](https://tools.ietf.org/html/rfc5929).
* @since v9.9.0
* @return The latest `Finished` message that has been sent to the socket as part of a SSL/TLS handshake, or `undefined` if no `Finished` message has been sent yet.
*/
getFinished(): Buffer | undefined;
/**
* Returns an object representing the peer's certificate. If the peer does not
* provide a certificate, an empty object will be returned. If the socket has been
* destroyed, `null` will be returned.
*
* If the full certificate chain was requested, each certificate will include an`issuerCertificate` property containing an object representing its issuer's
* certificate.
* @since v0.11.4
* @param detailed Include the full certificate chain if `true`, otherwise include just the peer's certificate.
* @return A certificate object.
*/
getPeerCertificate(detailed: true): DetailedPeerCertificate;
getPeerCertificate(detailed?: false): PeerCertificate;
getPeerCertificate(detailed?: boolean): PeerCertificate | DetailedPeerCertificate;
/**
* As the `Finished` messages are message digests of the complete handshake
* (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
* be used for external authentication procedures when the authentication
* provided by SSL/TLS is not desired or is not enough.
*
* Corresponds to the `SSL_get_peer_finished` routine in OpenSSL and may be used
* to implement the `tls-unique` channel binding from [RFC 5929](https://tools.ietf.org/html/rfc5929).
* @since v9.9.0
* @return The latest `Finished` message that is expected or has actually been received from the socket as part of a SSL/TLS handshake, or `undefined` if there is no `Finished` message so
* far.
*/
getPeerFinished(): Buffer | undefined;
/**
* Returns a string containing the negotiated SSL/TLS protocol version of the
* current connection. The value `'unknown'` will be returned for connected
* sockets that have not completed the handshaking process. The value `null` will
* be returned for server sockets or disconnected client sockets.
*
* Protocol versions are:
*
* * `'SSLv3'`
* * `'TLSv1'`
* * `'TLSv1.1'`
* * `'TLSv1.2'`
* * `'TLSv1.3'`
*
* See the OpenSSL [`SSL_get_version`](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_version.html) documentation for more information.
* @since v5.7.0
*/
getProtocol(): string | null;
/**
* Returns the TLS session data or `undefined` if no session was
* negotiated. On the client, the data can be provided to the `session` option of {@link connect} to resume the connection. On the server, it may be useful
* for debugging.
*
* See `Session Resumption` for more information.
*
* Note: `getSession()` works only for TLSv1.2 and below. For TLSv1.3, applications
* must use the `'session'` event (it also works for TLSv1.2 and below).
* @since v0.11.4
*/
getSession(): Buffer | undefined;
/**
* See [SSL\_get\_shared\_sigalgs](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_shared_sigalgs.html) for more information.
* @since v12.11.0
* @return List of signature algorithms shared between the server and the client in the order of decreasing preference.
*/
getSharedSigalgs(): string[];
/**
* For a client, returns the TLS session ticket if one is available, or`undefined`. For a server, always returns `undefined`.
*
* It may be useful for debugging.
*
* See `Session Resumption` for more information.
* @since v0.11.4
*/
getTLSTicket(): Buffer | undefined;
/**
* See `Session Resumption` for more information.
* @since v0.5.6
* @return `true` if the session was reused, `false` otherwise.
*/
isSessionReused(): boolean;
/**
* The `tlsSocket.renegotiate()` method initiates a TLS renegotiation process.
* Upon completion, the `callback` function will be passed a single argument
* that is either an `Error` (if the request failed) or `null`.
*
* This method can be used to request a peer's certificate after the secure
* connection has been established.
*
* When running as the server, the socket will be destroyed with an error after`handshakeTimeout` timeout.
*
* For TLSv1.3, renegotiation cannot be initiated, it is not supported by the
* protocol.
* @since v0.11.8
* @param callback If `renegotiate()` returned `true`, callback is attached once to the `'secure'` event. If `renegotiate()` returned `false`, `callback` will be called in the next tick with
* an error, unless the `tlsSocket` has been destroyed, in which case `callback` will not be called at all.
* @return `true` if renegotiation was initiated, `false` otherwise.
*/
renegotiate(
options: {
rejectUnauthorized?: boolean | undefined;
requestCert?: boolean | undefined;
},
callback: (err: Error | null) => void,
): undefined | boolean;
/**
* The `tlsSocket.setMaxSendFragment()` method sets the maximum TLS fragment size.
* Returns `true` if setting the limit succeeded; `false` otherwise.
*
* Smaller fragment sizes decrease the buffering latency on the client: larger
* fragments are buffered by the TLS layer until the entire fragment is received
* and its integrity is verified; large fragments can span multiple roundtrips
* and their processing can be delayed due to packet loss or reordering. However,
* smaller fragments add extra TLS framing bytes and CPU overhead, which may
* decrease overall server throughput.
* @since v0.11.11
* @param [size=16384] The maximum TLS fragment size. The maximum value is `16384`.
*/
setMaxSendFragment(size: number): boolean;
/**
* Disables TLS renegotiation for this `TLSSocket` instance. Once called, attempts
* to renegotiate will trigger an `'error'` event on the `TLSSocket`.
* @since v8.4.0
*/
disableRenegotiation(): void;
/**
* When enabled, TLS packet trace information is written to `stderr`. This can be
* used to debug TLS connection problems.
*
* The format of the output is identical to the output of`openssl s_client -trace` or `openssl s_server -trace`. While it is produced by
* OpenSSL's `SSL_trace()` function, the format is undocumented, can change
* without notice, and should not be relied on.
* @since v12.2.0
*/
enableTrace(): void;
/**
* Returns the peer certificate as an `X509Certificate` object.
*
* If there is no peer certificate, or the socket has been destroyed,`undefined` will be returned.
* @since v15.9.0
*/
getPeerX509Certificate(): X509Certificate | undefined;
/**
* Returns the local certificate as an `X509Certificate` object.
*
* If there is no local certificate, or the socket has been destroyed,`undefined` will be returned.
* @since v15.9.0
*/
getX509Certificate(): X509Certificate | undefined;
/**
* Keying material is used for validations to prevent different kind of attacks in
* network protocols, for example in the specifications of IEEE 802.1X.
*
* Example
*
* ```js
* const keyingMaterial = tlsSocket.exportKeyingMaterial(
* 128,
* 'client finished');
*
* /*
* Example return value of keyingMaterial:
* <Buffer 76 26 af 99 c5 56 8e 42 09 91 ef 9f 93 cb ad 6c 7b 65 f8 53 f1 d8 d9
* 12 5a 33 b8 b5 25 df 7b 37 9f e0 e2 4f b8 67 83 a3 2f cd 5d 41 42 4c 91
* 74 ef 2c ... 78 more bytes>
*
* ```
*
* See the OpenSSL [`SSL_export_keying_material`](https://www.openssl.org/docs/man1.1.1/man3/SSL_export_keying_material.html) documentation for more
* information.
* @since v13.10.0, v12.17.0
* @param length number of bytes to retrieve from keying material
* @param label an application specific label, typically this will be a value from the [IANA Exporter Label
* Registry](https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#exporter-labels).
* @param context Optionally provide a context.
* @return requested bytes of the keying material
*/
exportKeyingMaterial(length: number, label: string, context: Buffer): Buffer;
addListener(event: string, listener: (...args: any[]) => void): this;
addListener(event: "OCSPResponse", listener: (response: Buffer) => void): this;
addListener(event: "secureConnect", listener: () => void): this;
addListener(event: "session", listener: (session: Buffer) => void): this;
addListener(event: "keylog", listener: (line: Buffer) => void): this;
emit(event: string | symbol, ...args: any[]): boolean;
emit(event: "OCSPResponse", response: Buffer): boolean;
emit(event: "secureConnect"): boolean;
emit(event: "session", session: Buffer): boolean;
emit(event: "keylog", line: Buffer): boolean;
on(event: string, listener: (...args: any[]) => void): this;
on(event: "OCSPResponse", listener: (response: Buffer) => void): this;
on(event: "secureConnect", listener: () => void): this;
on(event: "session", listener: (session: Buffer) => void): this;
on(event: "keylog", listener: (line: Buffer) => void): this;
once(event: string, listener: (...args: any[]) => void): this;
once(event: "OCSPResponse", listener: (response: Buffer) => void): this;
once(event: "secureConnect", listener: () => void): this;
once(event: "session", listener: (session: Buffer) => void): this;
once(event: "keylog", listener: (line: Buffer) => void): this;
prependListener(event: string, listener: (...args: any[]) => void): this;
prependListener(event: "OCSPResponse", listener: (response: Buffer) => void): this;
prependListener(event: "secureConnect", listener: () => void): this;
prependListener(event: "session", listener: (session: Buffer) => void): this;
prependListener(event: "keylog", listener: (line: Buffer) => void): this;
prependOnceListener(event: string, listener: (...args: any[]) => void): this;
prependOnceListener(event: "OCSPResponse", listener: (response: Buffer) => void): this;
prependOnceListener(event: "secureConnect", listener: () => void): this;
prependOnceListener(event: "session", listener: (session: Buffer) => void): this;
prependOnceListener(event: "keylog", listener: (line: Buffer) => void): this;
}
interface CommonConnectionOptions {
/**
* An optional TLS context object from tls.createSecureContext()
*/
secureContext?: SecureContext | undefined;
/**
* When enabled, TLS packet trace information is written to `stderr`. This can be
* used to debug TLS connection problems.
* @default false
*/
enableTrace?: boolean | undefined;
/**
* If true the server will request a certificate from clients that
* connect and attempt to verify that certificate. Defaults to
* false.
*/
requestCert?: boolean | undefined;
/**
* An array of strings or a Buffer naming possible ALPN protocols.
* (Protocols should be ordered by their priority.)
*/
ALPNProtocols?: string[] | Uint8Array[] | Uint8Array | undefined;
/**
* SNICallback(servername, cb) <Function> A function that will be
* called if the client supports SNI TLS extension. Two arguments
* will be passed when called: servername and cb. SNICallback should
* invoke cb(null, ctx), where ctx is a SecureContext instance.
* (tls.createSecureContext(...) can be used to get a proper
* SecureContext.) If SNICallback wasn't provided the default callback
* with high-level API will be used (see below).
*/
SNICallback?: ((servername: string, cb: (err: Error | null, ctx?: SecureContext) => void) => void) | undefined;
/**
* If true the server will reject any connection which is not
* authorized with the list of supplied CAs. This option only has an
* effect if requestCert is true.
* @default true
*/
rejectUnauthorized?: boolean | undefined;
}
interface TlsOptions extends SecureContextOptions, CommonConnectionOptions, net.ServerOpts {
/**
* Abort the connection if the SSL/TLS handshake does not finish in the
* specified number of milliseconds. A 'tlsClientError' is emitted on
* the tls.Server object whenever a handshake times out. Default:
* 120000 (120 seconds).
*/
handshakeTimeout?: number | undefined;
/**
* The number of seconds after which a TLS session created by the
* server will no longer be resumable. See Session Resumption for more
* information. Default: 300.
*/
sessionTimeout?: number | undefined;
/**
* 48-bytes of cryptographically strong pseudo-random data.
*/
ticketKeys?: Buffer | undefined;
/**
* @param socket
* @param identity identity parameter sent from the client.
* @return pre-shared key that must either be
* a buffer or `null` to stop the negotiation process. Returned PSK must be
* compatible with the selected cipher's digest.
*
* When negotiating TLS-PSK (pre-shared keys), this function is called
* with the identity provided by the client.
* If the return value is `null` the negotiation process will stop and an
* "unknown_psk_identity" alert message will be sent to the other party.
* If the server wishes to hide the fact that the PSK identity was not known,
* the callback must provide some random data as `psk` to make the connection
* fail with "decrypt_error" before negotiation is finished.
* PSK ciphers are disabled by default, and using TLS-PSK thus
* requires explicitly specifying a cipher suite with the `ciphers` option.
* More information can be found in the RFC 4279.
*/
pskCallback?(socket: TLSSocket, identity: string): DataView | NodeJS.TypedArray | null;
/**
* hint to send to a client to help
* with selecting the identity during TLS-PSK negotiation. Will be ignored
* in TLS 1.3. Upon failing to set pskIdentityHint `tlsClientError` will be
* emitted with `ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED` code.
*/
pskIdentityHint?: string | undefined;
}
interface PSKCallbackNegotation {
psk: DataView | NodeJS.TypedArray;
identity: string;
}
interface ConnectionOptions extends SecureContextOptions, CommonConnectionOptions {
host?: string | undefined;
port?: number | undefined;
path?: string | undefined; // Creates unix socket connection to path. If this option is specified, `host` and `port` are ignored.
socket?: stream.Duplex | undefined; // Establish secure connection on a given socket rather than creating a new socket
checkServerIdentity?: typeof checkServerIdentity | undefined;
servername?: string | undefined; // SNI TLS Extension
session?: Buffer | undefined;
minDHSize?: number | undefined;
lookup?: net.LookupFunction | undefined;
timeout?: number | undefined;
/**
* When negotiating TLS-PSK (pre-shared keys), this function is called
* with optional identity `hint` provided by the server or `null`
* in case of TLS 1.3 where `hint` was removed.
* It will be necessary to provide a custom `tls.checkServerIdentity()`
* for the connection as the default one will try to check hostname/IP
* of the server against the certificate but that's not applicable for PSK
* because there won't be a certificate present.
* More information can be found in the RFC 4279.
*
* @param hint message sent from the server to help client
* decide which identity to use during negotiation.
* Always `null` if TLS 1.3 is used.
* @returns Return `null` to stop the negotiation process. `psk` must be
* compatible with the selected cipher's digest.
* `identity` must use UTF-8 encoding.
*/
pskCallback?(hint: string | null): PSKCallbackNegotation | null;
}
/**
* Accepts encrypted connections using TLS or SSL.
* @since v0.3.2
*/
class Server extends net.Server {
constructor(secureConnectionListener?: (socket: TLSSocket) => void);
constructor(options: TlsOptions, secureConnectionListener?: (socket: TLSSocket) => void);
/**
* The `server.addContext()` method adds a secure context that will be used if
* the client request's SNI name matches the supplied `hostname` (or wildcard).
*
* When there are multiple matching contexts, the most recently added one is
* used.
* @since v0.5.3
* @param hostname A SNI host name or wildcard (e.g. `'*'`)
* @param context An object containing any of the possible properties from the {@link createSecureContext} `options` arguments (e.g. `key`, `cert`, `ca`, etc).
*/
addContext(hostname: string, context: SecureContextOptions): void;
/**
* Returns the session ticket keys.
*
* See `Session Resumption` for more information.
* @since v3.0.0
* @return A 48-byte buffer containing the session ticket keys.
*/
getTicketKeys(): Buffer;
/**
* The `server.setSecureContext()` method replaces the secure context of an
* existing server. Existing connections to the server are not interrupted.
* @since v11.0.0
* @param options An object containing any of the possible properties from the {@link createSecureContext} `options` arguments (e.g. `key`, `cert`, `ca`, etc).
*/
setSecureContext(options: SecureContextOptions): void;
/**
* Sets the session ticket keys.
*
* Changes to the ticket keys are effective only for future server connections.
* Existing or currently pending server connections will use the previous keys.
*
* See `Session Resumption` for more information.
* @since v3.0.0
* @param keys A 48-byte buffer containing the session ticket keys.
*/
setTicketKeys(keys: Buffer): void;
/**
* events.EventEmitter
* 1. tlsClientError
* 2. newSession
* 3. OCSPRequest
* 4. resumeSession
* 5. secureConnection
* 6. keylog
*/
addListener(event: string, listener: (...args: any[]) => void): this;
addListener(event: "tlsClientError", listener: (err: Error, tlsSocket: TLSSocket) => void): this;
addListener(
event: "newSession",
listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void,
): this;
addListener(
event: "OCSPRequest",
listener: (
certificate: Buffer,
issuer: Buffer,
callback: (err: Error | null, resp: Buffer) => void,
) => void,
): this;
addListener(
event: "resumeSession",
listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void,
): this;
addListener(event: "secureConnection", listener: (tlsSocket: TLSSocket) => void): this;
addListener(event: "keylog", listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
emit(event: string | symbol, ...args: any[]): boolean;
emit(event: "tlsClientError", err: Error, tlsSocket: TLSSocket): boolean;
emit(event: "newSession", sessionId: Buffer, sessionData: Buffer, callback: () => void): boolean;
emit(
event: "OCSPRequest",
certificate: Buffer,
issuer: Buffer,
callback: (err: Error | null, resp: Buffer) => void,
): boolean;
emit(
event: "resumeSession",
sessionId: Buffer,
callback: (err: Error | null, sessionData: Buffer | null) => void,
): boolean;
emit(event: "secureConnection", tlsSocket: TLSSocket): boolean;
emit(event: "keylog", line: Buffer, tlsSocket: TLSSocket): boolean;
on(event: string, listener: (...args: any[]) => void): this;
on(event: "tlsClientError", listener: (err: Error, tlsSocket: TLSSocket) => void): this;
on(event: "newSession", listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
on(
event: "OCSPRequest",
listener: (
certificate: Buffer,
issuer: Buffer,
callback: (err: Error | null, resp: Buffer) => void,
) => void,
): this;
on(
event: "resumeSession",
listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void,
): this;
on(event: "secureConnection", listener: (tlsSocket: TLSSocket) => void): this;
on(event: "keylog", listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
once(event: string, listener: (...args: any[]) => void): this;
once(event: "tlsClientError", listener: (err: Error, tlsSocket: TLSSocket) => void): this;
once(
event: "newSession",
listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void,
): this;
once(
event: "OCSPRequest",
listener: (
certificate: Buffer,
issuer: Buffer,
callback: (err: Error | null, resp: Buffer) => void,
) => void,
): this;
once(
event: "resumeSession",
listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void,
): this;
once(event: "secureConnection", listener: (tlsSocket: TLSSocket) => void): this;
once(event: "keylog", listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
prependListener(event: string, listener: (...args: any[]) => void): this;
prependListener(event: "tlsClientError", listener: (err: Error, tlsSocket: TLSSocket) => void): this;
prependListener(
event: "newSession",
listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void,
): this;
prependListener(
event: "OCSPRequest",
listener: (
certificate: Buffer,
issuer: Buffer,
callback: (err: Error | null, resp: Buffer) => void,
) => void,
): this;
prependListener(
event: "resumeSession",
listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void,
): this;
prependListener(event: "secureConnection", listener: (tlsSocket: TLSSocket) => void): this;
prependListener(event: "keylog", listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
prependOnceListener(event: string, listener: (...args: any[]) => void): this;
prependOnceListener(event: "tlsClientError", listener: (err: Error, tlsSocket: TLSSocket) => void): this;
prependOnceListener(
event: "newSession",
listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void,
): this;
prependOnceListener(
event: "OCSPRequest",
listener: (
certificate: Buffer,
issuer: Buffer,
callback: (err: Error | null, resp: Buffer) => void,
) => void,
): this;
prependOnceListener(
event: "resumeSession",
listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void,
): this;
prependOnceListener(event: "secureConnection", listener: (tlsSocket: TLSSocket) => void): this;
prependOnceListener(event: "keylog", listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
}
/**
* @deprecated since v0.11.3 Use `tls.TLSSocket` instead.
*/
interface SecurePair {
encrypted: TLSSocket;
cleartext: TLSSocket;
}
type SecureVersion = "TLSv1.3" | "TLSv1.2" | "TLSv1.1" | "TLSv1";
interface SecureContextOptions {
/**
* Optionally override the trusted CA certificates. Default is to trust
* the well-known CAs curated by Mozilla. Mozilla's CAs are completely
* replaced when CAs are explicitly specified using this option.
*/
ca?: string | Buffer | Array<string | Buffer> | undefined;
/**
* Cert chains in PEM format. One cert chain should be provided per
* private key. Each cert chain should consist of the PEM formatted
* certificate for a provided private key, followed by the PEM
* formatted intermediate certificates (if any), in order, and not
* including the root CA (the root CA must be pre-known to the peer,
* see ca). When providing multiple cert chains, they do not have to
* be in the same order as their private keys in key. If the
* intermediate certificates are not provided, the peer will not be
* able to validate the certificate, and the handshake will fail.
*/
cert?: string | Buffer | Array<string | Buffer> | undefined;
/**
* Colon-separated list of supported signature algorithms. The list
* can contain digest algorithms (SHA256, MD5 etc.), public key
* algorithms (RSA-PSS, ECDSA etc.), combination of both (e.g
* 'RSA+SHA384') or TLS v1.3 scheme names (e.g. rsa_pss_pss_sha512).
*/
sigalgs?: string | undefined;
/**
* Cipher suite specification, replacing the default. For more
* information, see modifying the default cipher suite. Permitted
* ciphers can be obtained via tls.getCiphers(). Cipher names must be
* uppercased in order for OpenSSL to accept them.
*/
ciphers?: string | undefined;
/**
* Name of an OpenSSL engine which can provide the client certificate.
*/
clientCertEngine?: string | undefined;
/**
* PEM formatted CRLs (Certificate Revocation Lists).
*/
crl?: string | Buffer | Array<string | Buffer> | undefined;
/**
* `'auto'` or custom Diffie-Hellman parameters, required for non-ECDHE perfect forward secrecy.
* If omitted or invalid, the parameters are silently discarded and DHE ciphers will not be available.
* ECDHE-based perfect forward secrecy will still be available.
*/
dhparam?: string | Buffer | undefined;
/**
* A string describing a named curve or a colon separated list of curve
* NIDs or names, for example P-521:P-384:P-256, to use for ECDH key
* agreement. Set to auto to select the curve automatically. Use
* crypto.getCurves() to obtain a list of available curve names. On
* recent releases, openssl ecparam -list_curves will also display the
* name and description of each available elliptic curve. Default:
* tls.DEFAULT_ECDH_CURVE.
*/
ecdhCurve?: string | undefined;
/**
* Attempt to use the server's cipher suite preferences instead of the
* client's. When true, causes SSL_OP_CIPHER_SERVER_PREFERENCE to be
* set in secureOptions
*/
honorCipherOrder?: boolean | undefined;
/**
* Private keys in PEM format. PEM allows the option of private keys
* being encrypted. Encrypted keys will be decrypted with
* options.passphrase. Multiple keys using different algorithms can be
* provided either as an array of unencrypted key strings or buffers,
* or an array of objects in the form {pem: <string|buffer>[,
* passphrase: <string>]}. The object form can only occur in an array.
* object.passphrase is optional. Encrypted keys will be decrypted with
* object.passphrase if provided, or options.passphrase if it is not.
*/
key?: string | Buffer | Array<string | Buffer | KeyObject> | undefined;
/**
* Name of an OpenSSL engine to get private key from. Should be used
* together with privateKeyIdentifier.
*/
privateKeyEngine?: string | undefined;
/**
* Identifier of a private key managed by an OpenSSL engine. Should be
* used together with privateKeyEngine. Should not be set together with
* key, because both options define a private key in different ways.
*/
privateKeyIdentifier?: string | undefined;
/**
* Optionally set the maximum TLS version to allow. One
* of `'TLSv1.3'`, `'TLSv1.2'`, `'TLSv1.1'`, or `'TLSv1'`. Cannot be specified along with the
* `secureProtocol` option, use one or the other.
* **Default:** `'TLSv1.3'`, unless changed using CLI options. Using
* `--tls-max-v1.2` sets the default to `'TLSv1.2'`. Using `--tls-max-v1.3` sets the default to
* `'TLSv1.3'`. If multiple of the options are provided, the highest maximum is used.
*/
maxVersion?: SecureVersion | undefined;
/**
* Optionally set the minimum TLS version to allow. One
* of `'TLSv1.3'`, `'TLSv1.2'`, `'TLSv1.1'`, or `'TLSv1'`. Cannot be specified along with the
* `secureProtocol` option, use one or the other. It is not recommended to use
* less than TLSv1.2, but it may be required for interoperability.
* **Default:** `'TLSv1.2'`, unless changed using CLI options. Using
* `--tls-v1.0` sets the default to `'TLSv1'`. Using `--tls-v1.1` sets the default to
* `'TLSv1.1'`. Using `--tls-min-v1.3` sets the default to
* 'TLSv1.3'. If multiple of the options are provided, the lowest minimum is used.
*/
minVersion?: SecureVersion | undefined;
/**
* Shared passphrase used for a single private key and/or a PFX.
*/
passphrase?: string | undefined;
/**
* PFX or PKCS12 encoded private key and certificate chain. pfx is an
* alternative to providing key and cert individually. PFX is usually
* encrypted, if it is, passphrase will be used to decrypt it. Multiple
* PFX can be provided either as an array of unencrypted PFX buffers,
* or an array of objects in the form {buf: <string|buffer>[,
* passphrase: <string>]}. The object form can only occur in an array.
* object.passphrase is optional. Encrypted PFX will be decrypted with
* object.passphrase if provided, or options.passphrase if it is not.
*/
pfx?: string | Buffer | Array<string | Buffer | PxfObject> | undefined;
/**
* Optionally affect the OpenSSL protocol behavior, which is not
* usually necessary. This should be used carefully if at all! Value is
* a numeric bitmask of the SSL_OP_* options from OpenSSL Options
*/
secureOptions?: number | undefined; // Value is a numeric bitmask of the `SSL_OP_*` options
/**
* Legacy mechanism to select the TLS protocol version to use, it does
* not support independent control of the minimum and maximum version,
* and does not support limiting the protocol to TLSv1.3. Use
* minVersion and maxVersion instead. The possible values are listed as
* SSL_METHODS, use the function names as strings. For example, use
* 'TLSv1_1_method' to force TLS version 1.1, or 'TLS_method' to allow
* any TLS protocol version up to TLSv1.3. It is not recommended to use
* TLS versions less than 1.2, but it may be required for
* interoperability. Default: none, see minVersion.
*/
secureProtocol?: string | undefined;
/**
* Opaque identifier used by servers to ensure session state is not
* shared between applications. Unused by clients.
*/
sessionIdContext?: string | undefined;
/**
* 48-bytes of cryptographically strong pseudo-random data.
* See Session Resumption for more information.
*/
ticketKeys?: Buffer | undefined;
/**
* The number of seconds after which a TLS session created by the
* server will no longer be resumable. See Session Resumption for more
* information. Default: 300.
*/
sessionTimeout?: number | undefined;
}
interface SecureContext {
context: any;
}
/**
* Verifies the certificate `cert` is issued to `hostname`.
*
* Returns [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) object, populating it with `reason`, `host`, and `cert` on
* failure. On success, returns [undefined](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Undefined_type).
*
* This function is intended to be used in combination with the`checkServerIdentity` option that can be passed to {@link connect} and as
* such operates on a `certificate object`. For other purposes, consider using `x509.checkHost()` instead.
*
* This function can be overwritten by providing an alternative function as the`options.checkServerIdentity` option that is passed to `tls.connect()`. The
* overwriting function can call `tls.checkServerIdentity()` of course, to augment
* the checks done with additional verification.
*
* This function is only called if the certificate passed all other checks, such as
* being issued by trusted CA (`options.ca`).
*
* Earlier versions of Node.js incorrectly accepted certificates for a given`hostname` if a matching `uniformResourceIdentifier` subject alternative name
* was present (see [CVE-2021-44531](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44531)). Applications that wish to accept`uniformResourceIdentifier` subject alternative names can use
* a custom`options.checkServerIdentity` function that implements the desired behavior.
* @since v0.8.4
* @param hostname The host name or IP address to verify the certificate against.
* @param cert A `certificate object` representing the peer's certificate.
*/
function checkServerIdentity(hostname: string, cert: PeerCertificate): Error | undefined;
/**
* Creates a new {@link Server}. The `secureConnectionListener`, if provided, is
* automatically set as a listener for the `'secureConnection'` event.
*
* The `ticketKeys` options is automatically shared between `cluster` module
* workers.
*
* The following illustrates a simple echo server:
*
* ```js
* const tls = require('tls');
* const fs = require('fs');
*
* const options = {
* key: fs.readFileSync('server-key.pem'),
* cert: fs.readFileSync('server-cert.pem'),
*
* // This is necessary only if using client certificate authentication.
* requestCert: true,
*
* // This is necessary only if the client uses a self-signed certificate.
* ca: [ fs.readFileSync('client-cert.pem') ]
* };
*
* const server = tls.createServer(options, (socket) => {
* console.log('server connected',
* socket.authorized ? 'authorized' : 'unauthorized');
* socket.write('welcome!\n');
* socket.setEncoding('utf8');
* socket.pipe(socket);
* });
* server.listen(8000, () => {
* console.log('server bound');
* });
* ```
*
* The server can be tested by connecting to it using the example client from {@link connect}.
* @since v0.3.2
*/
function createServer(secureConnectionListener?: (socket: TLSSocket) => void): Server;
function createServer(options: TlsOptions, secureConnectionListener?: (socket: TLSSocket) => void): Server;
/**
* The `callback` function, if specified, will be added as a listener for the `'secureConnect'` event.
*
* `tls.connect()` returns a {@link TLSSocket} object.
*
* Unlike the `https` API, `tls.connect()` does not enable the
* SNI (Server Name Indication) extension by default, which may cause some
* servers to return an incorrect certificate or reject the connection
* altogether. To enable SNI, set the `servername` option in addition
* to `host`.
*
* The following illustrates a client for the echo server example from {@link createServer}:
*
* ```js
* // Assumes an echo server that is listening on port 8000.
* const tls = require('tls');
* const fs = require('fs');
*
* const options = {
* // Necessary only if the server requires client certificate authentication.
* key: fs.readFileSync('client-key.pem'),
* cert: fs.readFileSync('client-cert.pem'),
*
* // Necessary only if the server uses a self-signed certificate.
* ca: [ fs.readFileSync('server-cert.pem') ],
*
* // Necessary only if the server's cert isn't for "localhost".
* checkServerIdentity: () => { return null; },
* };
*
* const socket = tls.connect(8000, options, () => {
* console.log('client connected',
* socket.authorized ? 'authorized' : 'unauthorized');
* process.stdin.pipe(socket);
* process.stdin.resume();
* });
* socket.setEncoding('utf8');
* socket.on('data', (data) => {
* console.log(data);
* });
* socket.on('end', () => {
* console.log('server ends connection');
* });
* ```
* @since v0.11.3
*/
function connect(options: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
function connect(
port: number,
host?: string,
options?: ConnectionOptions,
secureConnectListener?: () => void,
): TLSSocket;
function connect(port: number, options?: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
/**
* Creates a new secure pair object with two streams, one of which reads and writes
* the encrypted data and the other of which reads and writes the cleartext data.
* Generally, the encrypted stream is piped to/from an incoming encrypted data
* stream and the cleartext one is used as a replacement for the initial encrypted
* stream.
*
* `tls.createSecurePair()` returns a `tls.SecurePair` object with `cleartext` and`encrypted` stream properties.
*
* Using `cleartext` has the same API as {@link TLSSocket}.
*
* The `tls.createSecurePair()` method is now deprecated in favor of`tls.TLSSocket()`. For example, the code:
*
* ```js
* pair = tls.createSecurePair(// ... );
* pair.encrypted.pipe(socket);
* socket.pipe(pair.encrypted);
* ```
*
* can be replaced by:
*
* ```js
* secureSocket = tls.TLSSocket(socket, options);
* ```
*
* where `secureSocket` has the same API as `pair.cleartext`.
* @since v0.3.2
* @deprecated Since v0.11.3 - Use {@link TLSSocket} instead.
* @param context A secure context object as returned by `tls.createSecureContext()`
* @param isServer `true` to specify that this TLS connection should be opened as a server.
* @param requestCert `true` to specify whether a server should request a certificate from a connecting client. Only applies when `isServer` is `true`.
* @param rejectUnauthorized If not `false` a server automatically reject clients with invalid certificates. Only applies when `isServer` is `true`.
*/
function createSecurePair(
context?: SecureContext,
isServer?: boolean,
requestCert?: boolean,
rejectUnauthorized?: boolean,
): SecurePair;
/**
* {@link createServer} sets the default value of the `honorCipherOrder` option
* to `true`, other APIs that create secure contexts leave it unset.
*
* {@link createServer} uses a 128 bit truncated SHA1 hash value generated
* from `process.argv` as the default value of the `sessionIdContext` option, other
* APIs that create secure contexts have no default value.
*
* The `tls.createSecureContext()` method creates a `SecureContext` object. It is
* usable as an argument to several `tls` APIs, such as {@link createServer} and `server.addContext()`, but has no public methods.
*
* A key is _required_ for ciphers that use certificates. Either `key` or`pfx` can be used to provide it.
*
* If the `ca` option is not given, then Node.js will default to using [Mozilla's publicly trusted list of
* CAs](https://hg.mozilla.org/mozilla-central/raw-file/tip/security/nss/lib/ckfw/builtins/certdata.txt).
* @since v0.11.13
*/
function createSecureContext(options?: SecureContextOptions): SecureContext;
/**
* Returns an array with the names of the supported TLS ciphers. The names are
* lower-case for historical reasons, but must be uppercased to be used in
* the `ciphers` option of {@link createSecureContext}.
*
* Not all supported ciphers are enabled by default. See `Modifying the default TLS cipher suite`.
*
* Cipher names that start with `'tls_'` are for TLSv1.3, all the others are for
* TLSv1.2 and below.
*
* ```js
* console.log(tls.getCiphers()); // ['aes128-gcm-sha256', 'aes128-sha', ...]
* ```
* @since v0.10.2
*/
function getCiphers(): string[];
/**
* The default curve name to use for ECDH key agreement in a tls server.
* The default value is 'auto'. See tls.createSecureContext() for further
* information.
*/
let DEFAULT_ECDH_CURVE: string;
/**
* The default value of the maxVersion option of
* tls.createSecureContext(). It can be assigned any of the supported TLS
* protocol versions, 'TLSv1.3', 'TLSv1.2', 'TLSv1.1', or 'TLSv1'. Default:
* 'TLSv1.3', unless changed using CLI options. Using --tls-max-v1.2 sets
* the default to 'TLSv1.2'. Using --tls-max-v1.3 sets the default to
* 'TLSv1.3'. If multiple of the options are provided, the highest maximum
* is used.
*/
let DEFAULT_MAX_VERSION: SecureVersion;
/**
* The default value of the minVersion option of tls.createSecureContext().
* It can be assigned any of the supported TLS protocol versions,
* 'TLSv1.3', 'TLSv1.2', 'TLSv1.1', or 'TLSv1'. Default: 'TLSv1.2', unless
* changed using CLI options. Using --tls-min-v1.0 sets the default to
* 'TLSv1'. Using --tls-min-v1.1 sets the default to 'TLSv1.1'. Using
* --tls-min-v1.3 sets the default to 'TLSv1.3'. If multiple of the options
* are provided, the lowest minimum is used.
*/
let DEFAULT_MIN_VERSION: SecureVersion;
/**
* The default value of the ciphers option of tls.createSecureContext().
* It can be assigned any of the supported OpenSSL ciphers.
* Defaults to the content of crypto.constants.defaultCoreCipherList, unless
* changed using CLI options using --tls-default-ciphers.
*/
let DEFAULT_CIPHERS: string;
/**
* An immutable array of strings representing the root certificates (in PEM
* format) used for verifying peer certificates. This is the default value
* of the ca option to tls.createSecureContext().
*/
const rootCertificates: readonly string[];
}
declare module "node:tls" {
export * from "tls";
}
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