BREAKING CHANGE(redirect): Remove deprecated SSL redirect implementation and update exports to use the new redirect module
This commit is contained in:
295
ts/redirect/classes.redirect.ts
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295
ts/redirect/classes.redirect.ts
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@@ -0,0 +1,295 @@
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import * as plugins from '../plugins.js';
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export interface RedirectRule {
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/**
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* Optional protocol to match (http or https). If not specified, matches both.
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*/
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fromProtocol?: 'http' | 'https';
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/**
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* Optional hostname pattern to match. Can use * as wildcard.
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* If not specified, matches all hosts.
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*/
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fromHost?: string;
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/**
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* Optional path prefix to match. If not specified, matches all paths.
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*/
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fromPath?: string;
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/**
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* Target protocol for the redirect (http or https)
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*/
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toProtocol: 'http' | 'https';
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/**
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* Target hostname for the redirect. Can use $1, $2, etc. to reference
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* captured groups from wildcard matches in fromHost.
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*/
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toHost: string;
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/**
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* Optional target path prefix. If not specified, keeps original path.
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* Can use $path to reference the original path.
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*/
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toPath?: string;
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/**
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* HTTP status code for the redirect (301 for permanent, 302 for temporary)
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*/
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statusCode?: 301 | 302 | 307 | 308;
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}
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export class Redirect {
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private httpServer?: plugins.http.Server;
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private httpsServer?: plugins.https.Server;
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private rules: RedirectRule[] = [];
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private httpPort: number = 80;
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private httpsPort: number = 443;
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private sslOptions?: {
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key: Buffer;
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cert: Buffer;
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};
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/**
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* Create a new Redirect instance
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* @param options Configuration options
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*/
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constructor(options: {
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httpPort?: number;
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httpsPort?: number;
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sslOptions?: {
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key: Buffer;
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cert: Buffer;
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};
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rules?: RedirectRule[];
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} = {}) {
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if (options.httpPort) this.httpPort = options.httpPort;
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if (options.httpsPort) this.httpsPort = options.httpsPort;
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if (options.sslOptions) this.sslOptions = options.sslOptions;
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if (options.rules) this.rules = options.rules;
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}
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/**
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* Add a redirect rule
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*/
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public addRule(rule: RedirectRule): void {
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this.rules.push(rule);
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}
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/**
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* Remove all redirect rules
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*/
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public clearRules(): void {
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this.rules = [];
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}
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/**
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* Set SSL options for HTTPS redirects
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*/
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public setSslOptions(options: { key: Buffer; cert: Buffer }): void {
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this.sslOptions = options;
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}
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/**
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* Process a request according to the configured rules
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*/
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private handleRequest(
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request: plugins.http.IncomingMessage,
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response: plugins.http.ServerResponse,
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protocol: 'http' | 'https'
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): void {
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const requestUrl = new URL(
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request.url || '/',
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`${protocol}://${request.headers.host || 'localhost'}`
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);
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const host = requestUrl.hostname;
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const path = requestUrl.pathname + requestUrl.search;
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// Find matching rule
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const matchedRule = this.findMatchingRule(protocol, host, path);
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if (matchedRule) {
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const targetUrl = this.buildTargetUrl(matchedRule, host, path);
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console.log(`Redirecting ${protocol}://${host}${path} to ${targetUrl}`);
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response.writeHead(matchedRule.statusCode || 302, {
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Location: targetUrl,
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});
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response.end();
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} else {
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// No matching rule, send 404
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response.writeHead(404, { 'Content-Type': 'text/plain' });
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response.end('Not Found');
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}
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}
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/**
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* Find a matching redirect rule for the given request
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*/
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private findMatchingRule(
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protocol: 'http' | 'https',
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host: string,
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path: string
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): RedirectRule | undefined {
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return this.rules.find((rule) => {
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// Check protocol match
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if (rule.fromProtocol && rule.fromProtocol !== protocol) {
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return false;
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}
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// Check host match
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if (rule.fromHost) {
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const pattern = rule.fromHost.replace(/\*/g, '(.*)');
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const regex = new RegExp(`^${pattern}$`);
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if (!regex.test(host)) {
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return false;
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}
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}
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// Check path match
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if (rule.fromPath && !path.startsWith(rule.fromPath)) {
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return false;
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}
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return true;
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});
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}
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/**
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* Build the target URL for a redirect
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*/
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private buildTargetUrl(rule: RedirectRule, originalHost: string, originalPath: string): string {
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let targetHost = rule.toHost;
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// Replace wildcards in host
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if (rule.fromHost && rule.fromHost.includes('*')) {
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const pattern = rule.fromHost.replace(/\*/g, '(.*)');
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const regex = new RegExp(`^${pattern}$`);
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const matches = originalHost.match(regex);
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if (matches) {
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for (let i = 1; i < matches.length; i++) {
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targetHost = targetHost.replace(`$${i}`, matches[i]);
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}
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}
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}
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// Build target path
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let targetPath = originalPath;
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if (rule.toPath) {
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if (rule.toPath.includes('$path')) {
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// Replace $path with original path, optionally removing the fromPath prefix
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const pathSuffix = rule.fromPath ?
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originalPath.substring(rule.fromPath.length) :
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originalPath;
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targetPath = rule.toPath.replace('$path', pathSuffix);
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} else {
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targetPath = rule.toPath;
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}
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}
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return `${rule.toProtocol}://${targetHost}${targetPath}`;
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}
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/**
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* Start the redirect server(s)
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*/
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public async start(): Promise<void> {
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const tasks = [];
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// Create and start HTTP server if we have a port
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if (this.httpPort) {
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this.httpServer = plugins.http.createServer((req, res) =>
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this.handleRequest(req, res, 'http')
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);
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const httpStartPromise = new Promise<void>((resolve) => {
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this.httpServer?.listen(this.httpPort, () => {
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console.log(`HTTP redirect server started on port ${this.httpPort}`);
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resolve();
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});
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});
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tasks.push(httpStartPromise);
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}
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// Create and start HTTPS server if we have SSL options and a port
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if (this.httpsPort && this.sslOptions) {
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this.httpsServer = plugins.https.createServer(this.sslOptions, (req, res) =>
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this.handleRequest(req, res, 'https')
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);
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const httpsStartPromise = new Promise<void>((resolve) => {
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this.httpsServer?.listen(this.httpsPort, () => {
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console.log(`HTTPS redirect server started on port ${this.httpsPort}`);
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resolve();
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});
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});
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tasks.push(httpsStartPromise);
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}
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// Wait for all servers to start
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await Promise.all(tasks);
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}
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/**
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* Stop the redirect server(s)
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*/
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public async stop(): Promise<void> {
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const tasks = [];
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if (this.httpServer) {
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const httpStopPromise = new Promise<void>((resolve) => {
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this.httpServer?.close(() => {
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console.log('HTTP redirect server stopped');
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resolve();
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});
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});
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tasks.push(httpStopPromise);
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}
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if (this.httpsServer) {
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const httpsStopPromise = new Promise<void>((resolve) => {
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this.httpsServer?.close(() => {
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console.log('HTTPS redirect server stopped');
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resolve();
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});
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});
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tasks.push(httpsStopPromise);
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}
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await Promise.all(tasks);
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}
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}
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// For backward compatibility
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export class SslRedirect {
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private redirect: Redirect;
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port: number;
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constructor(portArg: number) {
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this.port = portArg;
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this.redirect = new Redirect({
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httpPort: portArg,
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rules: [{
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fromProtocol: 'http',
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toProtocol: 'https',
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toHost: '$1',
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statusCode: 302
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}]
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});
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}
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public async start() {
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await this.redirect.start();
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}
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public async stop() {
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await this.redirect.stop();
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}
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}
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