1234567891011121314151617181920212223242526272829303132333435363738
import { ConnectOptions, Credential } from "../types.ts";import { WireProtocol } from "../protocol/mod.ts";import { Document } from "../../deps.ts";
export abstract class AuthPlugin {  abstract prepare(    authContext: AuthContext,  ): Document;  abstract auth(    authContext: AuthContext,  ): Document;}/** Context used during authentication */export class AuthContext {  /** The connection to authenticate */  protocol: WireProtocol;  /** The credentials to use for authentication */  credentials?: Credential;  /** The options passed to the `connect` method */  options: ConnectOptions;
  /** A response from an initial auth attempt, only some mechanisms use this (e.g, SCRAM) */  response?: Document;  /** A random nonce generated for use in an authentication conversation */  nonce?: Uint8Array;
  constructor(    protocol: WireProtocol,    credentials: Credential | undefined,    options: ConnectOptions,  ) {    this.protocol = protocol;    this.credentials = credentials;    this.options = options;    this.nonce = globalThis.crypto.getRandomValues(new Uint8Array(24));  }}