Get URI to download attachment

//native

type Confluence = {

	email: string

	apiToken: string

	domain: string

}

/**

 * Get URI to download attachment

 * Redirects the client to a URL that serves an attachment's binary data.

 */

export async function main(

	auth: Confluence,

	id: string,

	attachmentId: string,

	version: string | undefined,

	status: string | undefined

) {

	const url = new URL(

		`https://${auth.domain}/wiki/rest/api/content/${id}/child/attachment/${attachmentId}/download`

	)

	for (const [k, v] of [

		['version', version],

		['status', status]

	]) {

		if (v !== undefined && v !== '' && k !== undefined) {

			url.searchParams.append(k, v)

		}

	}

	const response = await fetch(url, {

		method: 'GET',

		headers: {

			Authorization: 'Basic ' + btoa(`${auth.email}:${auth.apiToken}`)

		},

		body: undefined

	})

	if (!response.ok) {

		const text = await response.text()

		throw new Error(`${response.status} ${text}`)

	}

	return await response.text()

}