Files
Triple-C/app/src-tauri/tauri.conf.json
T
shadow-testandClaude Opus 5 15e05e2197 Turn the Files tab into a real file manager
Rename, an in-app viewer for text and images, host-to-container drag and
drop, New folder, keyboard operation — plus the pre-existing bugs the new
surface would otherwise have been built on top of.

New Tauri commands (file_commands.rs, registered in lib.rs):

* rename_container_path — `mv -n -- <from> <parent>/<name>` through
  exec_oneshot_as, so the *exit code* is checked. exec_oneshot discards the
  status and interleaves stderr into stdout, which would have made a
  permission failure look like a success. `mv -n` on its own is not enough
  either: GNU coreutils makes its refusal to clobber silent and exits 0, so
  an explicit `test -e` on the destination is what turns a name clash into
  an error the user sees. `mv`'s own words are surfaced, since renames
  outside /workspace legitimately fail on permissions. The new name is
  validated in Rust (no `/`, no NUL, not "." / ".." / empty, ≤255 bytes) —
  it is user text going into argv, and a name with a separator would be a
  move rather than a rename.
* read_container_file — exact bytes via Docker's archive endpoint, returned
  as base64. Deliberately not exec_oneshot, which runs every chunk through
  String::from_utf8_lossy and merges stderr, so it would corrupt any
  non-UTF-8 file and could splice diagnostics into content. Base64 rather
  than Vec<u8> because Tauri serialises a byte vec as a JSON number array.
  Capped and truncation-reporting; the caller picks the cap (images get 5
  MiB against text's 1 MiB, being the kind that blows a text-sized budget)
  and Rust clamps it to 8 MiB regardless.
* create_container_directory — `mkdir` without -p, so a clash is an error
  rather than a silent success. Named for its siblings rather than the bare
  `create_directory` in the brief.

The tar-extraction half of download_container_file is now the shared
fetch_container_file() both commands use, and it abandons the transfer once
a capped read has what it needs.

Frontend:

* Single click selects, double click opens. Directory navigation moved onto
  double click too — a single click used to navigate, which made it
  impossible to select a directory in order to rename it. Rows are now
  focusable and the table is a real `grid`: Enter opens, F2 renames, arrows
  walk the rows. No outline suppression; the global :focus-visible ring is
  what shows focus.
* FileViewerModal (built on ui/Modal, the only correct dialog) renders text
  in a <pre> and images from a revocable blob: URL. tauri.conf.json's
  img-src had neither `data:` nor `blob:`, so an in-app image was blocked by
  CSP; `blob:` is added — revocable, and no megabytes of base64 in the DOM.
  The asset protocol stays disabled. Anything else gets a "Save to host"
  state instead of a broken preview, decided by extension and then by
  sniffing the bytes for NUL.
* Host drag-and-drop uses Tauri's native onDragDropEvent, mirroring
  TerminalView: HTML5 ondrop carries no paths and is blocked in the webview
  on Windows by dragDropEnabled, which the terminal needs. The listener is
  window-wide, so it routes by hit-testing the payload position (physical
  pixels, hence the devicePixelRatio divide) against the pane's rect — a
  hidden pane has a zero-size rect and never matches, which is what keeps
  this and the terminal's listener apart. enter/over/leave drive a drop
  highlight.
* Per-row Download is now "Save to host…"; directories no longer offer it.

Pre-existing bugs fixed:

* Uploaded files landed root:root with a 1970 mtime. tar::Header::new_gnu()
  zeroes uid/gid/mtime and Docker honours the header verbatim, so uploads
  were not writable by `claude`. All four single-file tar builds now go
  through build_single_file_tar() with the container user's ids, read from
  the container because entrypoint.sh remaps them to the host user on Unix
  and deliberately does not on Windows.
* Symlinked directories could not be opened: `find -printf '%y'` reports `l`.
  The listing now prints `%Y` as well, so is_directory dereferences and a
  new is_symlink carries what `%y` used to say. The row labels the link.
* upload_file_to_container had no size cap and did a synchronous fs::read on
  an async worker. Now 256 MiB (matching the terminal drop path) with the
  read and tar build in spawn_blocking, and the host mtime preserved.
* A directory passed to upload reached fs::read and produced an opaque "Is a
  directory". Rejected with an explanation instead — recursive upload is a
  larger feature than this panel needs.
* download_container_file wrote the *first tar entry*, so downloading a
  directory silently produced a garbage file. Non-regular entries are now an
  explicit error.

Tests: 46 new (33 frontend across FilesTab, useFileManager and filePreview;
12 Rust covering the find-output parser and the rename validator, neither of
which had any). 405 frontend / 297 Rust, both green.

No drag-out dependency was added — tauri-plugin-drag is not introduced and
OS drag-out is not attempted; that stays deferred, with "Save to host…" as
the way files leave the container.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GBq2rGum6GX7xXgsas1fDc
2026-08-23 08:30:48 -07:00

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JSON

{
"$schema": "https://raw.githubusercontent.com/tauri-apps/tauri/dev/crates/tauri-cli/schema.json",
"productName": "Triple-C",
"version": "0.4.0",
"identifier": "com.triple-c.desktop",
"build": {
"beforeDevCommand": "npm run dev",
"devUrl": "http://localhost:1420",
"beforeBuildCommand": "npm run build",
"frontendDist": "../dist"
},
"app": {
"windows": [
{
"title": "Triple-C",
"width": 1200,
"height": 800,
"resizable": true,
"fullscreen": false,
"minWidth": 800,
"minHeight": 600
}
],
"security": {
"csp": "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' blob: asset: https://asset.localhost; font-src 'self' data:; connect-src 'self' ipc: http://ipc.localhost; frame-src http://127.0.0.1:47820 http://127.0.0.1:47821 http://127.0.0.1:47822 http://127.0.0.1:47823 http://127.0.0.1:47824 http://127.0.0.1:47825 http://127.0.0.1:47826 http://127.0.0.1:47827"
}
},
"bundle": {
"active": true,
"targets": "all",
"icon": [
"icons/32x32.png",
"icons/128x128.png",
"icons/128x128@2x.png",
"icons/icon.ico",
"icons/icon.icns",
"icons/icon.png"
]
},
"plugins": {}
}