27 lines
844 B
TypeScript
27 lines
844 B
TypeScript
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import { SshClient } from './classes.sshclient.js';
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import type { IProxyRequest } from './types.js';
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export class PortProxy {
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constructor(private sshClient = new SshClient()) {}
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public buildArgs(request: IProxyRequest): string[] {
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this.validateLocalForward(request.localForward);
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return this.sshClient.buildSshArgs(request.host, {
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localForwards: [request.localForward],
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extraArgs: ['-N'],
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exitOnForwardFailure: true,
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});
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}
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public async start(request: IProxyRequest): Promise<number> {
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return this.sshClient.spawnInteractive('ssh', this.buildArgs(request));
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}
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private validateLocalForward(localForward: string): void {
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const parts = localForward.split(':');
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if (parts.length < 3) {
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throw new Error('Local forward must look like <localPort>:<remoteHost>:<remotePort>');
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}
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}
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}
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