Andrew Pareles
59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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export default class SSHDestination {
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constructor(
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public readonly hostname: string,
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public readonly user?: string,
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public readonly port?: number
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) {
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}
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static parse(dest: string): SSHDestination {
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let user: string | undefined;
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const atPos = dest.lastIndexOf('@');
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if (atPos !== -1) {
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user = dest.substring(0, atPos);
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}
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let port: number | undefined;
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const colonPos = dest.lastIndexOf(':');
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if (colonPos !== -1) {
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port = parseInt(dest.substring(colonPos + 1), 10);
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}
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const start = atPos !== -1 ? atPos + 1 : 0;
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const end = colonPos !== -1 ? colonPos : dest.length;
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const hostname = dest.substring(start, end);
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return new SSHDestination(hostname, user, port);
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}
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toString(): string {
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let result = this.hostname;
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if (this.user) {
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result = `${this.user}@` + result;
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}
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if (this.port) {
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result = result + `:${this.port}`;
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}
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return result;
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}
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// vscode.uri implementation lowercases the authority, so when reopen or restore
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// a remote session from the recently openend list the connection fails
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static parseEncoded(dest: string): SSHDestination {
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try {
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const data = JSON.parse(Buffer.from(dest, 'hex').toString());
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return new SSHDestination(data.hostName, data.user, data.port);
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} catch {
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}
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return SSHDestination.parse(dest.replace(/\\x([0-9a-f]{2})/g, (_, charCode) => String.fromCharCode(parseInt(charCode, 16))));
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}
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toEncodedString(): string {
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return this.toString().replace(/[A-Z]/g, (ch) => `\\x${ch.charCodeAt(0).toString(16).toLowerCase()}`);
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}
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}
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