mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-23 15:32:22 +00:00
124 lines
3.2 KiB
TypeScript
124 lines
3.2 KiB
TypeScript
/*
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Copyright 2016-2020 Balena Ltd.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import validEmail = require('@resin.io/valid-email');
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import { ExpectedError } from '../errors';
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const APPNAME_REGEX = new RegExp(/^[a-zA-Z0-9_-]+$/);
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// An regex to detect an IP address, from https://www.regular-expressions.info/ip.html
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const IP_REGEX = new RegExp(
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/\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b/,
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);
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const DOTLOCAL_REGEX = new RegExp(/^([a-zA-Z0-9-]+\.)+local$/);
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const UUID_REGEX = new RegExp(/^[0-9a-f]+$/);
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export function validateEmail(input: string) {
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if (!validEmail(input)) {
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return 'Email is not valid';
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}
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return true;
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}
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export function validatePassword(input: string) {
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if (input.length < 8) {
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return 'Password should be 8 characters long';
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}
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return true;
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}
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export function validateApplicationName(input: string) {
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if (input.length < 4) {
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return 'The fleet name should be at least 4 characters long';
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}
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return APPNAME_REGEX.test(input);
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}
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export function validateIPAddress(input: string): boolean {
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return IP_REGEX.test(input);
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}
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export function validateDotLocalUrl(input: string): boolean {
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return DOTLOCAL_REGEX.test(input);
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}
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export function validateLocalHostnameOrIp(input: string): boolean {
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return validateIPAddress(input) || validateDotLocalUrl(input);
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}
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export function validateLongUuid(input: string): boolean {
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if (input.length !== 32 && input.length !== 62) {
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return false;
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}
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return UUID_REGEX.test(input);
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}
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export function validateShortUuid(input: string): boolean {
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if (input.length !== 7) {
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return false;
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}
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return UUID_REGEX.test(input);
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}
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export function validateUuid(input: string): boolean {
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return validateLongUuid(input) || validateShortUuid(input);
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}
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export function looksLikeInteger(input: string) {
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// Allow only digits, no leading 0
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return /^(?:0|[1-9][0-9]*)$/.test(input);
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}
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export function parseAsInteger(input: string, paramName?: string) {
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if (!looksLikeInteger(input)) {
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const message =
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paramName == null
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? 'The parameter must be an integer.'
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: `The parameter '${paramName}' must be an integer.`;
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throw new ExpectedError(message);
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}
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return Number(input);
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}
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export function tryAsInteger(input: string): number | string {
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try {
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return parseAsInteger(input);
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} catch {
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return input;
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}
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}
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export function parseAsLocalHostnameOrIp(input: string, paramName?: string) {
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if (input && !validateLocalHostnameOrIp(input)) {
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const message =
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paramName == null
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? 'The parameter must be a local hostname or IP address.'
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: `The parameter '${paramName}' must be a local hostname or IP address.`;
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throw new ExpectedError(message);
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}
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return input;
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}
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export function looksLikeFleetSlug(input: string) {
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return input.includes('/');
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}
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