1
0
Fork 0
out-of-your-element-fork-th.../matrix/mreq.js

77 lines
1.9 KiB
JavaScript

// @ts-check
const fetch = require("node-fetch").default
const mixin = require("mixin-deep")
const stream = require("stream")
const getStream = require("get-stream")
const passthrough = require("../passthrough")
const { sync } = passthrough
/** @type {import("./read-registration")} */
const reg = sync.require("./read-registration.js")
const baseUrl = `${reg.ooye.server_origin}/_matrix`
class MatrixServerError extends Error {
constructor(data, opts) {
super(data.error || data.errcode)
this.data = data
/** @type {string} */
this.errcode = data.errcode
this.opts = opts
}
}
/**
* @param {string} method
* @param {string} url
* @param {any} [body]
* @param {any} [extra]
*/
async function mreq(method, url, body, extra = {}) {
if (body == undefined || Object.is(body.constructor, Object)) {
body = JSON.stringify(body)
} else if (body instanceof stream.Readable && reg.ooye.content_length_workaround) {
body = await getStream.buffer(body)
}
const opts = mixin({
method,
body,
headers: {
Authorization: `Bearer ${reg.as_token}`
}
}, extra)
// console.log(baseUrl + url, opts)
const res = await fetch(baseUrl + url, opts)
const root = await res.json()
if (!res.ok || root.errcode) {
delete opts.headers.Authorization
throw new MatrixServerError(root, {baseUrl, url, ...opts})
}
return root
}
/**
* JavaScript doesn't have Racket-like parameters with dynamic scoping, so
* do NOT do anything else at the same time as this.
* @template T
* @param {string} token
* @param {(...arg: any[]) => Promise<T>} callback
* @returns {Promise<T>}
*/
async function withAccessToken(token, callback) {
const prevToken = reg.as_token
reg.as_token = token
try {
return await callback()
} finally {
reg.as_token = prevToken
}
}
module.exports.MatrixServerError = MatrixServerError
module.exports.mreq = mreq
module.exports.withAccessToken = withAccessToken