balena-cli/lib/utils/normalization.ts

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/**
* @license
* Copyright 2016-2020 Balena Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import type { BalenaSDK } from 'balena-sdk';
import { ExpectedError } from '../errors';
/**
* Takes a string which may represent one of:
* - Integer release id
* - String uuid, 7, 32, or 62 char
* - String commit hash, 40 char, with short hashes being 7+ chars (more as needed to avoid collisions)
* and returns the correctly typed value (integer|string).
* @param balena balena sdk
* @param release string representation of release reference (id/hash)
*/
export async function disambiguateReleaseParam(
balena: BalenaSDK,
release: string,
) {
// Reject empty values or invalid characters
const mixedCaseHex = /^[a-fA-F0-9]+$/;
if (!release || !mixedCaseHex.test(release)) {
throw new ExpectedError('Invalid release parameter');
}
// Accepting short hashes of 7,8,9 chars.
const possibleUuidHashLength = [7, 8, 9, 32, 40, 62].includes(release.length);
const hasLeadingZero = release[0] === '0';
const isOnlyNumerical = /^[0-9]+$/.test(release);
// Reject non-numerical values with invalid uuid/hash lengths
if (!isOnlyNumerical && !possibleUuidHashLength) {
throw new ExpectedError('Invalid release parameter');
}
// Reject leading-zero values with invalid uuid/hash lengths
if (hasLeadingZero && !possibleUuidHashLength) {
throw new ExpectedError('Invalid release parameter');
}
// If alphanumeric, or has leading zero must now be uuid/hash.
if (!isOnlyNumerical || hasLeadingZero) {
return release;
}
// Now very likely an integer id (but still could be number only uuid/hash)
// Check integer id with API
try {
return (
await balena.models.release.get(parseInt(release, 10), {
$select: 'id',
})
).id;
} catch (e) {
if (e.name !== 'BalenaReleaseNotFound') {
throw e;
}
}
// Must be a number only uuid/hash (or nonexistent release)
return (await balena.models.release.get(release, { $select: 'id' })).id;
}
/**
* Convert to lowercase if looks like slug
*/
export async function lowercaseIfSlug(s: string) {
return s.includes('/') ? s.toLowerCase() : s;
}