Fix #61

src/authResolver.ts

@@ -93,7 +93,7 @@ export class RemoteSSHResolver implements vscode.RemoteAuthorityResolver, vscode
 
         this.logger.info(`Resolving ssh remote authority '${authority}' (attemp #${context.resolveAttempt})`);
 
-        const sshDest = SSHDestination.parse(dest);
+        const sshDest = SSHDestination.parseEncoded(dest);
 
         // It looks like default values are not loaded yet when resolving a remote,
         // so let's hardcode the default values here

src/commands.ts

@@ -3,6 +3,7 @@ import * as fs from 'fs';
 import { getRemoteAuthority } from './authResolver';
 import { getSSHConfigPath } from './ssh/sshConfig';
 import { exists as fileExists } from './common/files';
+import SSHDestination from './ssh/sshDestination';
 
 export async function promptOpenRemoteSSHWindow(reuseWindow: boolean) {
     const host = await vscode.window.showInputBox({
@@ -13,7 +14,8 @@ export async function promptOpenRemoteSSHWindow(reuseWindow: boolean) {
         return;
     }
 
-    openRemoteSSHWindow(host, reuseWindow);
+    const sshDest = new SSHDestination(host);
+    openRemoteSSHWindow(sshDest.toEncodedString(), reuseWindow);
 }
 
 export function openRemoteSSHWindow(host: string, reuseWindow: boolean) {

src/hostTreeView.ts

@@ -95,11 +95,11 @@ export class HostTreeDataProvider extends Disposable implements vscode.TreeDataP
 
     private async openRemoteSSHWindow(element: HostItem, reuseWindow: boolean) {
         const sshDest = new SSHDestination(element.hostname);
-        openRemoteSSHWindow(sshDest.toString(), reuseWindow);
+        openRemoteSSHWindow(sshDest.toEncodedString(), reuseWindow);
     }
 
     private async openRemoteSSHLocationWindow(element: HostLocationItem, reuseWindow: boolean) {
         const sshDest = new SSHDestination(element.hostname);
-        openRemoteSSHLocationWindow(sshDest.toString(), element.path, reuseWindow);
+        openRemoteSSHLocationWindow(sshDest.toEncodedString(), element.path, reuseWindow);
     }
 }

src/remoteLocationHistory.ts

@@ -39,14 +39,14 @@ export function getRemoteWorkspaceLocationData(): [string, string] | undefined {
     let location = vscode.workspace.workspaceFile;
     if (location && location.scheme === 'vscode-remote' && location.authority.startsWith(REMOTE_SSH_AUTHORITY) && location.path.endsWith('.code-workspace')) {
         const [, host] = location.authority.split('+');
-        const sshDest = SSHDestination.parse(host);
+        const sshDest = SSHDestination.parseEncoded(host);
         return [sshDest.hostname, location.path];
     }
 
     location = vscode.workspace.workspaceFolders?.[0].uri;
     if (location && location.scheme === 'vscode-remote' && location.authority.startsWith(REMOTE_SSH_AUTHORITY)) {
         const [, host] = location.authority.split('+');
-        const sshDest = SSHDestination.parse(host);
+        const sshDest = SSHDestination.parseEncoded(host);
         return [sshDest.hostname, location.path];
     }
 

src/ssh/sshDestination.ts

@@ -36,4 +36,18 @@ export default class SSHDestination {
         }
         return result;
     }
+
+    // vscode.uri implementation lowercases the authority, so when reopen or restore
+    // a remote session from the recently openend list the connection fails
+    static parseEncoded(dest: string): SSHDestination {
+        return SSHDestination.parse(dest.replace(/\\x([0-9a-f]{2})/g, (_, charCode) => String.fromCharCode(parseInt(charCode, 16))));
+    }
+
+    toEncodedString(): string {
+        let result = this.toString();
+        if (result.toLowerCase() !== result) {
+            return result.replace(/[A-Z]/g, (ch) => `\\x${ch.charCodeAt(0).toString(16).toLowerCase()}`);
+        }
+        return result;
+    }
 }