open-vault/ui/app/services/download.ts

68 lines
2.1 KiB
TypeScript

/**
* Copyright (c) HashiCorp, Inc.
* SPDX-License-Identifier: MPL-2.0
*/
import Service from '@ember/service';
import timestamp from 'core/utils/timestamp';
interface Extensions {
csv: string;
hcl: string;
sentinel: string;
json: string;
pem: string;
txt: string;
}
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
const EXTENSION_TO_MIME: Extensions = {
csv: 'txt/csv',
hcl: 'text/plain',
sentinel: 'text/plain',
json: 'application/json',
pem: 'application/x-pem-file',
txt: 'text/plain',
};
export default class DownloadService extends Service {
download(filename: string, content: string, extension: string) {
// replace spaces with hyphens, append extension to filename
const formattedFilename =
`${filename?.replace(/\s+/g, '-')}.${extension}` ||
`vault-data-${timestamp.now().toISOString()}.${extension}`;
// map extension to MIME type or use default
const mimetype = EXTENSION_TO_MIME[extension as keyof Extensions] || 'text/plain';
// commence download
const { document, URL } = window;
const downloadElement = document.createElement('a');
const data = new File([content], formattedFilename, { type: mimetype });
downloadElement.download = formattedFilename;
downloadElement.href = URL.createObjectURL(data);
document.body.appendChild(downloadElement);
downloadElement.click();
URL.revokeObjectURL(downloadElement.href);
downloadElement.remove();
return formattedFilename;
}
// SAMPLE CSV FORMAT ('content' argument)
// Must be a string with each row \n separated and each column comma separated
// 'Namespace path,Authentication method,Total clients,Entity clients,Non-entity clients\n
// namespacelonglonglong4/,,191,171,20\n
// namespacelonglonglong4/,auth/method/uMGBU,35,20,15\n'
csv(filename: string, content: string) {
this.download(filename, content, 'csv');
}
pem(filename: string, content: string) {
this.download(filename, content, 'pem');
}
miscExtension(filename: string, content: string, extension: string) {
this.download(filename, content, extension);
}
}