228 lines
12 KiB
TypeScript
228 lines
12 KiB
TypeScript
import fs, { writeFile, unlink } from 'fs-extra';
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import axios from 'axios';
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import { Message } from 'eris';
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import { AccountInterface } from '../models';
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import { Command, RichEmbed } from '../class';
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import { Client } from '..';
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import { parseCertificate } from '../functions';
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export default class CWG_Create extends Command {
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public urlRegex: RegExp;
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constructor(client: Client) {
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super(client);
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this.name = 'create';
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this.description = 'Bind a domain to the CWG';
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this.usage = `${this.client.config.prefix}cwg create [User ID | Username] [Domain] [Port] <Cert Chain> <Private Key> || Use snippets raw URL`;
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this.permissions = { roles: ['662163685439045632', '701454780828221450'] };
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this.aliases = ['bind'];
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this.enabled = true;
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this.urlRegex = /^[a-zA-Z0-9\-._~:/?#[\]@!$&'()*+,;=]+$/;
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}
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public async run(message: Message, args: string[]) {
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/*
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args[0] should be the user's ID OR account username; required
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args[1] should be the domain; required
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args[2] should be the port; required
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args[3] should be the path to the x509 certificate; not required
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args[4] should be the path to the x509 key; not required
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*/
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try {
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if (!args[2]) return this.client.commands.get('help').run(message, ['cwg', this.name]);
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let certs: { cert: string, key: string };
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if (!this.urlRegex.test(args[1])) return message.channel.createMessage(`${this.client.stores.emojis.error} ***Invalid URL***`);
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if (Number(args[2]) <= 1024 || Number(args[2]) >= 65535) return message.channel.createMessage(`${this.client.stores.emojis.error} ***Port must be greater than 1024 and less than 65535***`);
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if (!args[1].endsWith('.cloud.libraryofcode.org') && !args[4]) return message.channel.createMessage(`${this.client.stores.emojis.error} ***Certificate Chain and Private Key are required for custom domains***`);
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const account = await this.client.db.Account.findOne({ $or: [{ username: args[0] }, { userID: args[0] }] });
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if (!account) return message.channel.createMessage(`${this.client.stores.emojis.error} Cannot locate account, please try again.`);
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if (await this.client.db.Domain.exists({ domain: args[1] })) return message.channel.createMessage(`${this.client.stores.emojis.error} ***This domain already exists***`);
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if (await this.client.db.Domain.exists({ port: Number(args[2]) })) {
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let answer: Message;
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try {
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answer = await this.client.util.messageCollector(
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message,
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`***${this.client.stores.emojis.error} This port is already binded to a domain. Do you wish to continue? (y/n)***`,
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30000, true, ['y', 'n'], (msg) => msg.author.id === message.author.id && msg.channel.id === message.channel.id,
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);
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} catch (error) {
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return message.channel.createMessage(`${this.client.stores.emojis.error} ***Bind request cancelled***`);
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}
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if (answer.content === 'n') return message.channel.createMessage(`${this.client.stores.emojis.error} ***Bind request cancelled***`);
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}
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const edit = await message.channel.createMessage(`${this.client.stores.emojis.loading} ***Binding domain...***`);
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if (!args[1].endsWith('.cloud.libraryofcode.org')) {
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const urls = args.slice(3, 5);
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if (urls.some((l) => !l.includes('snippets.cloud.libraryofcode.org/raw/'))) return message.channel.createMessage(`${this.client.stores.emojis.error} ***Invalid snippets URL***`);
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const tasks = urls.map((l) => axios({ method: 'GET', url: l }));
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const response = await Promise.all(tasks);
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const certAndPrivateKey: string[] = response.map((r) => r.data);
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if (!this.isValidCertificateChain(certAndPrivateKey[0])) return message.channel.createMessage(`${this.client.stores.emojis.error} ***Invalid Certificate Chain***`);
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if (!this.isValidPrivateKey(certAndPrivateKey[1])) return message.channel.createMessage(`${this.client.stores.emojis.error} ***Invalid Private Key***`);
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certs = { cert: certAndPrivateKey[0], key: certAndPrivateKey[1] };
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}
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const domain = await this.createDomain(account, args[1], Number(args[2]), certs);
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const tasks = [message.delete(), this.client.util.exec('systemctl reload nginx')];
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// @ts-ignore
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await Promise.all(tasks);
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const embed = new RichEmbed()
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.setTitle('Domain Creation')
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.setColor(3066993)
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.addField('Account Username', account.username, true)
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.addField('Account ID', account.id, true)
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.addField('Engineer', `<@${message.author.id}>`, true)
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.addField('Domain', domain.domain, true)
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.addField('Port', String(domain.port), true);
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const cert = await parseCertificate(this.client, domain.x509.cert);
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embed.addField('Certificate Issuer', cert.issuer.organizationName, true)
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.addField('Certificate Subject', cert.subject.commonName, true)
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.setFooter(this.client.user.username, this.client.user.avatarURL)
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.setTimestamp(new Date(message.timestamp));
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const completed = [
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edit.edit(`***${this.client.stores.emojis.success} Successfully binded ${domain.domain} to port ${domain.port} for ${account.username}.***`),
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this.client.createMessage('580950455581147146', { embed }),
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this.client.getDMChannel(account.userID).then((r) => r.createMessage({ embed })),
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this.client.util.transport.sendMail({
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to: account.emailAddress,
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from: 'Library of Code sp-us | Support Team <help@libraryofcode.org>',
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subject: 'Your domain has been binded',
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html: `
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<h1>Library of Code sp-us | Cloud Services</h1>
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<p>Hello, this is an email informing you that a new domain under your account has been binded.
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Information is below.</p>
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<b>Domain:</b> ${domain.domain}<br>
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<b>Port:</b> ${domain.port}<br>
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<b>Certificate Issuer:</b> ${cert.issuer.organizationName}<br>
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<b>Certificate Subject:</b> ${cert.subject.commonName}<br>
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<b>Responsible Engineer:</b> ${message.author.username}#${message.author.discriminator}<br><br>
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If you have any questions about additional setup, you can reply to this email or send a message in #cloud-support in our Discord server.<br>
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<b><i>Library of Code sp-us | Support Team</i></b>
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`,
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}),
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];
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if (!domain.domain.includes('cloud.libraryofcode.org')) {
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const content = `__**DNS Record Setup**__\nYou recently a binded a custom domain to your Library of Code sp-us Account. You'll have to update your DNS records. We've provided the records below.\n\n\`${domain.domain} IN CNAME cloud.libraryofcode.org AUTO/500\`\nThis basically means you need to make a CNAME record with the key/host of ${domain.domain} and the value/point to cloud.libraryofcode.org. If you have any questions, don't hesitate to ask us.`;
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completed.push(this.client.getDMChannel(account.userID).then((r) => r.createMessage(content)));
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}
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return Promise.all(completed);
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} catch (err) {
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const tasks = [fs.unlink(`/etc/nginx/sites-enabled/${args[1]}`), fs.unlink(`/etc/nginx/sites-available/${args[1]}`), this.client.db.Domain.deleteMany({ domain: args[1] })];
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await Promise.allSettled(tasks);
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return this.client.util.handleError(err, message, this);
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}
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}
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/**
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* This function binds a domain to a port on the CWG.
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* @param account The account of the user.
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* @param subdomain The domain to use. `mydomain.cloud.libraryofcode.org`
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* @param port The port to use, must be between 1024 and 65535.
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* @param x509Certificate The contents the certificate and key files.
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* @example await CWG.createDomain(account, 'mydomain.cloud.libraryofcode.org', 6781);
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*/
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public async createDomain(account: AccountInterface, domain: string, port: number, x509Certificate: { cert?: string, key?: string }) {
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try {
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if (port <= 1024 || port >= 65535) throw new RangeError(`Port range must be between 1024 and 65535, received ${port}.`);
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if (await this.client.db.Domain.exists({ domain })) throw new Error(`Domain ${domain} already exists in the database.`);
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if (!await this.client.db.Account.exists({ userID: account.userID })) throw new Error(`Cannot find account ${account.userID}.`);
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let x509: { cert: string, key: string };
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if (x509Certificate) {
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x509 = await this.createCertAndPrivateKey(domain, x509Certificate.cert, x509Certificate.key);
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} else {
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x509 = {
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cert: '/etc/ssl/private/cloud-libraryofcode-org.chain.crt',
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key: '/etc/ssl/private/cloud-libraryofcode-org.key',
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};
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}
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let cfg = await fs.readFile('/opt/CloudServices/src/static/nginx.conf', { encoding: 'utf8' });
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cfg = cfg.replace(/\[DOMAIN]/g, domain);
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cfg = cfg.replace(/\[PORT]/g, String(port));
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cfg = cfg.replace(/\[CERTIFICATE]/g, x509.cert);
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cfg = cfg.replace(/\[KEY]/g, x509.key);
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await fs.writeFile(`/etc/nginx/sites-available/${domain}`, cfg, { encoding: 'utf8' });
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await fs.symlink(`/etc/nginx/sites-available/${domain}`, `/etc/nginx/sites-enabled/${domain}`);
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const entry = new this.client.db.Domain({
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account,
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domain,
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port,
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x509,
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enabled: true,
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});
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if (domain.includes('cloud.libraryofcode.org')) {
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const dmn = domain.split('.');
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await axios({
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method: 'post',
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url: 'https://api.cloudflare.com/client/v4/zones/5e82fc3111ed4fbf9f58caa34f7553a7/dns_records',
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headers: { Authorization: `Bearer ${this.client.config.cloudflare}`, 'Content-Type': 'application/json' },
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data: JSON.stringify({ type: 'CNAME', name: `${dmn[0]}.${dmn[1]}`, content: 'cloud.libraryofcode.org', proxied: false }),
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});
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}
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return entry.save();
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} catch (error) {
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const tasks = [fs.unlink(`/etc/nginx/sites-enabled/${domain}`), fs.unlink(`/etc/nginx/sites-available/${domain}`), this.client.db.Domain.deleteMany({ domain })];
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await Promise.allSettled(tasks);
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throw error;
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}
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}
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public async createCertAndPrivateKey(domain: string, certChain: string, privateKey: string) {
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if (!this.isValidCertificateChain(certChain)) throw new Error('Invalid Certificate Chain');
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if (!this.isValidPrivateKey(privateKey)) throw new Error('Invalid Private Key');
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const path = `/opt/CloudServices/temp/${domain}`;
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await Promise.all([writeFile(`${path}.chain.crt`, certChain), writeFile(`${path}.key.pem`, privateKey)]);
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if (!this.isMatchingPair(`${path}.chain.crt`, `${path}.key.pem`)) {
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await Promise.all([unlink(`${path}.chain.crt`), unlink(`${path}.key.pem`)]);
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throw new Error('Certificate and Private Key do not match');
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}
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await Promise.all([writeFile(`/etc/ssl/certs/cwg/${domain}.chain.crt`, certChain), writeFile(`/etc/certs/private/cwg/${domain}.key.pem`, privateKey)]);
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return { cert: `/etc/nginx/ssl/${domain}.chain.crt`, key: `/etc/nginx/ssl/${domain}.key.pem` };
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}
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public checkOccurance(text: string, query: string) {
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return (text.match(new RegExp(query, 'g')) || []).length;
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}
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public isValidCertificateChain(cert: string) {
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if (!cert.replace(/^\s+|\s+$/g, '').startsWith('-----BEGIN CERTIFICATE-----')) return false;
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if (!cert.replace(/^\s+|\s+$/g, '').endsWith('-----END CERTIFICATE-----')) return false;
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if (this.checkOccurance(cert.replace(/^\s+|\s+$/g, ''), '-----BEGIN CERTIFICATE-----') !== 2) return false;
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if (this.checkOccurance(cert.replace(/^\s+|\s+$/g, ''), '-----END CERTIFICATE-----') !== 2) return false;
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return true;
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}
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public isValidPrivateKey(key: string) {
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if (!key.replace(/^\s+|\s+$/g, '').startsWith('-----BEGIN PRIVATE KEY-----')) return false;
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if (!key.replace(/^\s+|\s+$/g, '').endsWith('-----END PRIVATE KEY-----')) return false;
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if (this.checkOccurance(key.replace(/^\s+|\s+$/g, ''), '-----BEGIN PRIVATE KEY-----') !== 1) return false;
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if (this.checkOccurance(key.replace(/^\s+|\s+$/g, ''), '-----END PRIVATE KEY-----') !== 1) return false;
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return true;
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}
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public async isMatchingPair(cert: string, privateKey: string) {
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const result: string = await this.client.util.exec(`${__dirname}/../bin/checkCertSignatures ${cert} ${privateKey}`);
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const { ok }: { ok: boolean } = JSON.parse(result);
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return ok;
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}
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}
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