Pengling•5d ago

Cannot copy files from `AppData/Local/` despite --allow-all flag

Description When attempting to copy a file from AppData/Local/ using @std/fs in Deno, the operation fails with a PermissionDenied (os error 5). This occurs even when running Deno with the --allow-all flag. Code Sample

import { copy } from "@std/fs";

const path = `C:/Users/USER/AppData/Local/deno/latest.txt`;
const target = `S:/foo/`;

const CopyOptions = { overwrite: true, preserveTimestamps: false };

try {
    await copy(path, target, CopyOptions);
} catch (error) {
    console.error(error);
}

import { copy } from "@std/fs";

const path = `C:/Users/USER/AppData/Local/deno/latest.txt`;
const target = `S:/foo/`;

const CopyOptions = { overwrite: true, preserveTimestamps: false };

try {
    await copy(path, target, CopyOptions);
} catch (error) {
    console.error(error);
}

deno run --allow-all sample.ts

deno run --allow-all sample.ts

Error

PermissionDenied: Access is denied. (os error 5): copy 'C:\Users\USER\AppData\Local\deno\latest.txt' -> 'S:\foo\'
    at async Object.copyFile (ext:deno_fs/30_fs.js:145:3)
    at async copyFile (https://jsr.io/@std/fs/1.0.13/copy.ts:108:3)
    at async copy (https://jsr.io/@std/fs/1.0.13/copy.ts:333:5)
  name: "PermissionDenied",
  code: "EPERM"
}

PermissionDenied: Access is denied. (os error 5): copy 'C:\Users\USER\AppData\Local\deno\latest.txt' -> 'S:\foo\'
    at async Object.copyFile (ext:deno_fs/30_fs.js:145:3)
    at async copyFile (https://jsr.io/@std/fs/1.0.13/copy.ts:108:3)
    at async copy (https://jsr.io/@std/fs/1.0.13/copy.ts:333:5)
  name: "PermissionDenied",
  code: "EPERM"
}

3 Replies

kt3k•4d ago

PermissionDenied is thrown when the operation is denied by OS, not Deno. Does your user account have appropriate access to both source and target? Note: If the operation is denied by Deno's permission system, then NotCapable error is thrown

PenglingOP•2d ago

I have do have all perms, infact using Deno.Command copied the files without any issue so not sure what's going on

PenglingOP•2d ago

tho the files that i tried to copy did have the readonly flag, but C:/Users/USER/AppData/Local/deno/latest.txt didn't so i dont think that could be the issue

Cannot copy files from `AppData/Local/` despite --allow-all flag

Did you find this page helpful?