Fix Windows file delete command (#1005)

src/backend/ssh/file-manager-operation-commands.test.ts

@@ -0,0 +1,45 @@
+import { describe, expect, it } from "vitest";
+
+import { buildDeleteCommand } from "./file-manager-operation-commands.js";
+
+describe("buildDeleteCommand", () => {
+  it("builds a PowerShell 5.1 compatible delete command for Windows files", () => {
+    const command = buildDeleteCommand(
+      "/C:/Users/Administrator/test.txt",
+      false,
+    );
+
+    expect(command.command).toBe(
+      "Remove-Item -LiteralPath 'C:\\Users\\Administrator\\test.txt' -Force -ErrorAction Stop",
+    );
+    expect(command.commandWithSuccess).toBe(
+      `${command.command}; if ($?) { Write-Output "SUCCESS" }`,
+    );
+    expect(command.commandWithSuccess).not.toContain("&&");
+  });
+
+  it("adds recursive deletion for Windows directories", () => {
+    const command = buildDeleteCommand("C:/Temp/Folder", true);
+
+    expect(command.command).toBe(
+      "Remove-Item -LiteralPath 'C:\\Temp\\Folder' -Recurse -Force -ErrorAction Stop",
+    );
+  });
+
+  it("escapes single quotes in Windows literal paths", () => {
+    const command = buildDeleteCommand("/C:/Temp/O'Brien.txt", false);
+
+    expect(command.command).toBe(
+      "Remove-Item -LiteralPath 'C:\\Temp\\O''Brien.txt' -Force -ErrorAction Stop",
+    );
+  });
+
+  it("keeps POSIX delete commands using shell success chaining", () => {
+    const command = buildDeleteCommand("/tmp/O'Brien.txt", false);
+
+    expect(command.command).toBe("rm -f '/tmp/O'\"'\"'Brien.txt'");
+    expect(command.commandWithSuccess).toBe(
+      `${command.command} && echo "SUCCESS"`,
+    );
+  });
+});

src/backend/ssh/file-manager-operation-commands.ts

@@ -0,0 +1,39 @@
+import { isWindowsSftpPath, sftpPathToLocalPath } from "./transfer-paths.js";
+
+export interface DeleteCommand {
+  command: string;
+  commandWithSuccess: string;
+}
+
+function quotePosixPath(path: string): string {
+  return `'${path.replace(/'/g, "'\"'\"'")}'`;
+}
+
+function quotePowerShellLiteral(value: string): string {
+  return `'${value.replace(/'/g, "''")}'`;
+}
+
+export function buildDeleteCommand(
+  itemPath: string,
+  isDirectory: boolean,
+): DeleteCommand {
+  if (isWindowsSftpPath(itemPath)) {
+    const path = quotePowerShellLiteral(sftpPathToLocalPath(itemPath));
+    const command = isDirectory
+      ? `Remove-Item -LiteralPath ${path} -Recurse -Force -ErrorAction Stop`
+      : `Remove-Item -LiteralPath ${path} -Force -ErrorAction Stop`;
+
+    return {
+      command,
+      commandWithSuccess: `${command}; if ($?) { Write-Output "SUCCESS" }`,
+    };
+  }
+
+  const path = quotePosixPath(itemPath);
+  const command = isDirectory ? `rm -rf ${path}` : `rm -f ${path}`;
+
+  return {
+    command,
+    commandWithSuccess: `${command} && echo "SUCCESS"`,
+  };
+}

src/backend/ssh/file-manager-operation-routes.ts

@@ -6,7 +6,7 @@ import {
   execWithSudo,
   type SSHSession,
 } from "./file-manager-session.js";
-import { isWindowsSftpPath } from "./transfer-paths.js";
+import { buildDeleteCommand } from "./file-manager-operation-commands.js";
 
 type FileOperationRoutesDeps = {
   sshSessions: Record<string, SSHSession>;
@@ -375,22 +375,10 @@ export function registerFileOperationRoutes(
     });
     sshConn.lastActive = Date.now();
 
-    const isWindowsPath = isWindowsSftpPath(itemPath);
-    let deleteCommand: string;
-    if (isWindowsPath) {
-      const winPath = itemPath
-        .replace(/\//g, "\\")
-        .replace(/^\\([A-Za-z]:\\)/, "$1");
-      const escapedWinPath = winPath.replace(/"/g, '""');
-      deleteCommand = isDirectory
-        ? `rd /s /q "${escapedWinPath}"`
-        : `del /f /q "${escapedWinPath}"`;
-    } else {
-      const escapedPath = itemPath.replace(/'/g, "'\"'\"'");
-      deleteCommand = isDirectory
-        ? `rm -rf '${escapedPath}'`
-        : `rm -f '${escapedPath}'`;
-    }
+    const { command: deleteCommand, commandWithSuccess } = buildDeleteCommand(
+      itemPath,
+      Boolean(isDirectory),
+    );
 
     const executeDelete = (useSudo: boolean): Promise<void> => {
       return new Promise((resolve) => {
@@ -421,10 +409,7 @@ export function registerFileOperationRoutes(
           return;
         }
 
-        execChannel(
-          sshConn,
-          `${deleteCommand} && echo "SUCCESS"`,
-          (err, stream) => {
+        execChannel(sshConn, commandWithSuccess, (err, stream) => {
           if (err) {
             fileLogger.error("SSH deleteItem error:", err);
             res.status(500).json({ error: err.message });
@@ -502,8 +487,7 @@ export function registerFileOperationRoutes(
               .json({ error: `Stream error: ${streamErr.message}` });
             resolve();
           });
-          },
-        );
+        });
       });
     };