open-vault/ui/app/components/pgp-file.js

81 lines
2.2 KiB
JavaScript

import Component from '@ember/component';
import { set } from '@ember/object';
import { task } from 'ember-concurrency';
import { waitFor } from '@ember/test-waiters';
const BASE_64_REGEX = /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/gi;
export default Component.extend({
'data-test-pgp-file': true,
attributeBindings: ['data-test-pgp-file'],
classNames: ['box', 'is-fullwidth', 'is-marginless', 'is-shadowless'],
key: null,
index: null,
onChange: () => {},
/*
* @public
* @param String
* Text to use as the label for the file input
* If null, a default will be rendered
*/
label: null,
/*
* @public
* @param String
* Text to use as help under the file input
* If null, a default will be rendered
*/
fileHelpText: null,
/*
* @public
* @param String
* Text to use as help under the textarea in text-input mode
* If null, a default will be rendered
*/
textareaHelpText: null,
readFile(file) {
const reader = new FileReader();
reader.onload = () => this.setPGPKey.perform(reader.result, file.name);
// this gives us a base64-encoded string which is important in the onload
reader.readAsDataURL(file);
},
setPGPKey: task(
waitFor(function* (dataURL, filename) {
const b64File = dataURL.split(',')[1].trim();
const decoded = atob(b64File).trim();
// If a b64-encoded file was uploaded, then after decoding, it
// will still be b64.
// If after decoding it's not b64, we want
// the original as it was only encoded when we used `readAsDataURL`.
const fileData = decoded.match(BASE_64_REGEX) ? decoded : b64File;
yield this.onChange(this.index, { value: fileData, fileName: filename });
})
),
actions: {
pickedFile(e) {
const { files } = e.target;
if (!files.length) {
return;
}
for (let i = 0, len = files.length; i < len; i++) {
this.readFile(files[i]);
}
},
updateData(e) {
const key = this.key;
set(key, 'value', e.target.value);
this.onChange(this.index, this.key);
},
clearKey() {
this.onChange(this.index, { value: '' });
},
},
});