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import { base64FromArrayBuffer } from "../base64.js";
import { stringToBytes } from "../taler-crypto.js";
import { AccessToken, TalerAuthentication } from "./types.js";
/**
* Helper function to generate the "Authorization" HTTP header.
*/
export function makeBasicAuthHeader(username: string, password: string): string {
const auth = `${username}:${password}`;
const authEncoded: string = base64FromArrayBuffer(stringToBytes(auth));
return `Basic ${authEncoded}`;
}
/**
* rfc8959
* @param token
* @returns
*/
export function makeBearerTokenAuthHeader(token: AccessToken): string {
return `Bearer secret-token:${token}`;
}
/**
* https://bugs.gnunet.org/view.php?id=7949
*/
export function addPaginationParams(url: URL, pagination?: PaginationParams) {
if (!pagination) return;
if (pagination.timoutMs) {
url.searchParams.set("long_poll_ms", String(pagination.timoutMs))
}
if (pagination.offset) {
url.searchParams.set("start", pagination.offset)
}
const order = !pagination || pagination.order === "asc" ? 1 : -1
const limit = !pagination || !pagination.limit || pagination.limit === 0 ? 5 : Math.abs(pagination.limit)
//always send delta
url.searchParams.set("delta", String(order * limit))
}
export type UserAndPassword = {
username: string,
password: string,
}
export type UserAndToken = {
username: string,
token: AccessToken,
}
export type PaginationParams = {
/**
* row identifier as the starting point of the query
*/
offset?: string,
/**
* max number of element in the result response
* always greater than 0
*/
limit?: number,
/**
* milliseconds the server should wait for at least one result to be shown
*/
timoutMs?: number,
/**
* order
*/
order: "asc" | "dec"
}
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