1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
interface BearerAuthToken {  type: "bearer";  host: string;  token: string;}
interface BasicAuthToken {  type: "basic";  host: string;  username: string;  password: string;}
type AuthToken = BearerAuthToken | BasicAuthToken;
export function splitLast(  value: string,  delimiter: string,): [string, string] {  const split = value.split(delimiter);  return [split.slice(0, -1).join(delimiter)].concat(split.slice(-1)) as [    string,    string,  ];}
function tokenAsValue(authToken: AuthToken): string {  return authToken.type === "basic"    ? `Basic ${btoa(`${authToken.username}:${authToken.password}`)}`    : `Bearer ${authToken.token}`;}
export class AuthTokens {  #tokens: AuthToken[];  constructor(tokensStr = "") {    const tokens: AuthToken[] = [];    for (const tokenStr of tokensStr.split(";").filter((s) => s.length > 0)) {      if (tokensStr.includes("@")) {        const [token, host] = splitLast(tokenStr, "@");        if (token.includes(":")) {          const [username, password] = splitLast(token, ":");          tokens.push({ type: "basic", host, username, password });        } else {          tokens.push({ type: "bearer", host, token });        }      } else {        // todo(dsherret): feel like this should error?        // deno-lint-ignore no-console        console.error("Badly formed auth token discarded.");      }    }    this.#tokens = tokens;  }
  get(specifier: URL): string | undefined {    for (const token of this.#tokens) {      if (token.host.endsWith(specifier.host)) {        return tokenAsValue(token);      }    }  }}