feat(user): two constructors used for domain which come from user config or param in open_with_vscode link

src/user.ts

@@ -19,19 +19,41 @@ export default class User {
   private localUserPrivateKeyPath: string = ''
   private devstarHostname: string;
 
-  constructor(context: vscode.ExtensionContext) {
+  /**
+   * devstarDomain由配置项提供
+   * @param context 
+   */
+  constructor(context: vscode.ExtensionContext);
+
+  /**
+   * devstarDomain由open with vscode链接提供
+   * @param context 
+   * @param devstarDomain 
+   */
+  constructor(context: vscode.ExtensionContext, devstarDomain: string);
+
+  constructor(context: vscode.ExtensionContext, devstarDomain?: string) {
     this.context = context;
     this.username = this.context.globalState.get(this.usernameKey);
     this.userToken = this.context.globalState.get(this.userTokenKey);
 
     // 提取devstar domain的主域名，用于本地ssh key的命名
-    let devstarDomainFromConfig: string | undefined;
+    if (devstarDomain != undefined && devstarDomain != "") {
-    let devstarDomainURL: string;
+      // open with vscode链接提供域名
-    devstarDomainFromConfig = vscode.workspace.getConfiguration('devstar').get('devstarDomain')
+      this.devstarDomain = devstarDomain
-    // 如果没有配置devstar domain，则默认domain为https://devstar.cn
+      let parsedUrl = new URL(devstarDomain);
-    devstarDomainURL = (devstarDomainFromConfig === undefined || devstarDomainFromConfig === "") ? 'https://devstar.cn' : devstarDomainFromConfig;
+      this.devstarHostname = parsedUrl.hostname.replace(/\./g, '_'); //提取hostname，并用下划线替换.
-    let parsedUrl = new URL(devstarDomainURL);
+    } else {
-    this.devstarHostname = parsedUrl.hostname.replace(/\./g, '_'); //提取hostname，并用下划线替换.
+      // 用户配置项提供域名
+      let devstarDomainFromConfig: string | undefined;
+      let devstarDomainURL: string;
+      devstarDomainFromConfig = vscode.workspace.getConfiguration('devstar').get('devstarDomain')
+      // 如果没有配置devstar domain，则默认domain为https://devstar.cn
+      devstarDomainURL = (devstarDomainFromConfig === undefined || devstarDomainFromConfig === "") ? 'https://devstar.cn' : devstarDomainFromConfig;
+      this.devstarDomain = devstarDomainURL
+      let parsedUrl = new URL(devstarDomainURL);
+      this.devstarHostname = parsedUrl.hostname.replace(/\./g, '_'); //提取hostname，并用下划线替换.
+    }
   }
 
   public async login(token: string, username: string) {