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README now carries the icon, TL;DR, description and features; the technical sections live in docs/. tools/icon_png.py renders images/icon.svg to a square PNG (512x512 by default, --resolution N). plugin.json points at the plugin's own icon. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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# Unlocked Restrictions
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<p align="center">
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<img src="images/icon.svg" width="128" height="128" alt="Unlocked Restrictions icon">
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</p>
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An [exteraGram](https://exteragram.app) plugin that lifts the "restrict saving content"
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protection on your own device: screenshots work everywhere, messages from protected chats can
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be forwarded (as copies), and protected chats are marked with a red lock.
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<h1 align="center">Unlocked Restrictions</h1>
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**TL;DR:** an [exteraGram](https://exteragram.app) plugin that allows screenshots and
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forwarding (as a copy) in chats with protected content.
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## Description
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Unlocked Restrictions lifts the "restrict saving content" protection on your own device:
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screenshots work everywhere, messages from protected chats can be forwarded as copies, and
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protected chats are marked with a red lock. Each feature has its own switch in the plugin
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settings, all on by default, and toggles take effect without reloading the plugin.
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## Features
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Each feature has its own switch in the plugin settings, all on by default, and toggles take
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effect without reloading the plugin.
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- **Allow screenshots.** Screenshots and screen recording work in protected chats, secret
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chats and on the passcode screen.
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- **Allow forwarding.** The forward, copy and save options appear in protected chats.
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Forwarding a protected message, from the long-press menu or the side share button, sends
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it to the chosen chat as a new message from your account, with no "Forwarded from" header.
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Text keeps its formatting, media and albums are re-sent, and unprotected messages in the
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same selection are still forwarded normally.
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- **Mark protected chats.** A red lock before the chat's name in the chat list, the chat
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header and the chat info screen.
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- **Allow screenshots.** Removes `FLAG_SECURE`, so screenshots and screen recording work in
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protected chats, secret chats and on the passcode screen.
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- **Allow forwarding.** The forward, copy and save options appear in protected chats. Forwarding
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a protected message, from the long-press menu or the side share button, sends it to the chosen
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chat as a new message from your account, with no "Forwarded from" header. Unprotected
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messages in the same selection are still forwarded normally.
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- **Mark protected chats.** A red lock before the chat's name in the chat list, the chat header
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and the chat info screen.
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Some content can't be copied: buttons, games and invoices are dropped; polls, dice, stories,
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giveaways and paid media are skipped (their text is still sent). Copied videos have no
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preview thumbnail, and the lock covers groups and channels, not private chats.
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### How copying works
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## Documentation
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Telegram refuses to forward protected content, and also to re-send its media by file id, so a
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copy is sent the same way as a message you wrote:
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- text keeps its formatting; photos, videos, files, voice messages and GIFs are downloaded
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(or taken from the local cache) and uploaded again; stickers, locations and contacts are sent
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directly;
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- albums are sent as media groups again (at most 10 items per group);
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- bot-only parts are dropped: reply and inline keyboards, games, invoices; content that can't
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be reproduced (polls, dice, stories, giveaways, paid media) is skipped, and only its text is
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sent if there is any;
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- the selection is sent once every item is ready, so one large download delays the batch;
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- items that can't be copied are reported in a bulletin.
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Copied videos have no preview thumbnail. The lock covers groups and channels, not private chats
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where the other person enabled content protection.
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## Runtime notes
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Things the on-device runtime does differently from the SDK docs, all handled in `src/`:
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- Java lists are not iterable from Python; use `hooking.java_list()`.
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- `param.setResult()` in a before-hook does not skip the original method, so the forward hook
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empties the message list instead.
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- `threading.local` state is not shared between a before-hook and its after-hook.
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- Java `String` values arrive as Python `str`, other `CharSequence`s as Java objects.
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- Fields named like `java.lang.Object` methods (`SendMessageParams.notify`) must be set with
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`hook_utils.set_private_field`.
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- Exceptions escaping a Python thread vanish silently, so the copy worker catches everything.
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- Shared TL objects (`TLRPC.Chat` and friends) are never modified for display purposes.
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The rest of this README documents the build toolchain inherited from pluginBase.
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## How exteraGram plugins actually work
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A plugin, as exteraGram loads it, is exactly **one Python file** on the device:
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`/data/user/0/com.exteragram.messenger/files/plugins/<plugin_id>.py`. The distribution
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convention names the same content `<id>.plugin`.
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The app reads plugin metadata **statically via AST** — it looks for top-level constant
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assignments (`__id__`, `__name__`, `__description__`, `__author__`, `__version__`,
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`__icon__`, `__app_version__`, `__sdk_version__`, `__requirements__`) without executing the
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file. Only `__id__` and `__name__` are required.
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The file must define exactly one class inheriting `BasePlugin` (`from base_plugin import
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BasePlugin`). Lifecycle methods (`on_plugin_load`, `on_plugin_unload`, `create_settings`) and
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hooks (`on_send_message_hook`, `pre_request_hook`, `post_request_hook`, `on_update_hook(s)`,
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`on_app_event`) are all called by the host; hooks must be registered inside
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`on_plugin_load` (e.g. `self.add_on_send_message_hook()`). A hook returns a
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`HookResult(strategy=HookStrategy.MODIFY, params=params)` to apply changes, or a bare
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`HookResult()` to pass through. Settings rows returned from `create_settings` come from
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`ui.settings` (`Header`, `Input`, `Switch`, `Text`, `Selector`, `Divider`) and persist through
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`self.get_setting`/`self.set_setting`. Logging goes through `android_utils.log`; Chaquopy also
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redirects `sys.stdout`/`sys.stderr` to the logcat tags `python.stdout`/`python.stderr`.
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This repo does not use the official Elyx/ElyxBuilder archive format — see
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`docs/sdk-notes.md` for why.
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## Repo layout
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```
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plugin.json single source of truth for plugin metadata
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src/ the plugin, written as an ordinary Python package
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main.py entry module — exactly one BasePlugin subclass, absolute imports only
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screenshots.py FLAG_SECURE removal (FlagSecureReason + Window.setFlags hooks)
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forwarding.py unlocks forward UI and intercepts forwards of protected messages
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copier.py re-sends protected messages as copies (downloads + re-uploads media, albums)
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badge.py red lock before protected chats' names (chat list, header, chat info)
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protection.py shared "does this chat restrict saving content" check
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hooking.py shared Xposed hook helpers
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tools/
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bundle.py compiles plugin.json + src/ into dist/<id>.plugin
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devclient.py speaks the on-device dev-server protocol (127.0.0.1:42690)
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verify_bundle.py offline harness that proves a built bundle behaves correctly, no phone needed
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release.py publishes a built bundle to a Gitea release (used by CI)
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.gitea/workflows/ CI that builds, verifies and publishes the .plugin to Releases
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scripts/ ADB debug-loop automation and the git hooks (see below)
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docs/sdk-notes.md condensed SDK API surface gathered from the official docs
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```
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## The three commands that matter
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```bash
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python3 tools/bundle.py --release # compile src/ -> dist/<id>.plugin
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python3 tools/verify_bundle.py dist/<id>.plugin # offline proof the bundle works, no device needed
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bash scripts/deploy.sh --enable # build (--dev) + push to a connected device + enable + reload
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```
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`bundle.py` walks `src/` recursively, embeds every `.py` file's source and dotted module name
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into a compressed, base64-encoded payload, and appends a small runtime preamble that installs
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a private import hook (scoped to a per-module `__builtins__` dict, never touching
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`sys.modules`) so cross-module and cross-package imports resolve exactly as they would if the
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files were still on disk. `--dev` (the default) embeds absolute local paths so a debugger
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resolves breakpoints against your real source files; `--release` embeds repo-relative paths
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for distribution. Both modes produce byte-reproducible output for a given `src/` + `plugin.json`.
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Its first run in a clone also enables the repo's git hooks (see
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[Git hooks and versioning](#git-hooks-and-versioning)).
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## Device prerequisites
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- exteraGram 12.5.1+.
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- In-app: Preferences → Plugins → enable the plugin engine, then enable developer mode.
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- USB debugging enabled, device authorized (`adb devices`).
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Release-build APKs disallow `adb run-as`, so you cannot `adb push` a file straight into the
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app's private plugin directory. The on-device **dev server** (`tools/devclient.py`,
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`scripts/deploy.sh`) is the actual install path — it talks to the running app over a TCP
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socket forwarded with `adb forward`, and the app writes the file into its own storage.
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## ADB automation
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All scripts live in `scripts/`, are runnable from any working directory, and honor the
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standard `ANDROID_SERIAL` env var for device selection.
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- `scripts/adb-connect.sh [--debug]` — starts adb, waits for the device, (re)creates the
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`tcp:42690` port forward (and `tcp:5678` with `--debug`), pings the dev server.
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- `scripts/deploy.sh [--release] [--enable] [--no-connect]` — bundles, connects, writes the
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plugin to the device, optionally enables it, reloads it.
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- `scripts/watch.sh [deploy args…]` — watches `src/` and `plugin.json`, redeploys on change
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(uses `inotifywait` if available, otherwise polls).
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- `scripts/logs.sh [-c] [-t] [-g PATTERN]` — streams logcat for the running app (`-t` for the
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raw Chaquopy stdio tags, `-g` to grep, `-c` to clear first).
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- `scripts/debug.sh start|stop [--platform vscode|pycharm]` — forwards the debugger port and
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tells the dev server to start/stop the in-app debugger. Requires `debugpy` (vscode) or
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`pydevd-pycharm` (pycharm) present in the app's Python runtime — add it to `requirements` in
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`plugin.json` if it's missing.
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- `scripts/fetch-sdk-stubs.sh [--beta]` — downloads the latest SDK type stubs into `stubs/`
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for editor autocomplete.
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## Git hooks and versioning
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`scripts/pre-commit` bumps the patch number of `version` in `plugin.json` on every commit
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(`1.0.0` → `1.0.1`) and stages it into that same commit. `scripts/post-commit` re-stages
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`plugin.json` afterwards, because commits of a file selection (`git commit -- <paths>`, which
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some IDEs use) are built from a temporary index and would otherwise leave it looking modified.
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**The hooks enable themselves.** Git never activates hooks from repository content, so a
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fresh clone, or a repo created from this template, starts without them. The first run of
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`tools/bundle.py` fixes that by running `git config core.hooksPath scripts`, and every
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workflow runs it: directly, or through `scripts/deploy.sh` and `scripts/watch.sh`. That
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includes `--check`, so after cloning run
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```bash
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python3 tools/bundle.py --check
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```
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once, before your first commit. A commit made before any build runs without the hooks.
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`bundle.py` leaves `core.hooksPath` alone when it is already set (so pointing it elsewhere on
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purpose sticks), skips the step in CI (whenever `CI` is set) and outside a git work tree, and
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never fails a build over it. To turn the hooks off for a clone, run
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`git config core.hooksPath .git/hooks`; `git config --unset core.hooksPath` only lasts
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until the next build.
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The bump is skipped when:
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- the commit message contains `[no bump]`, `[skip bump]`, `[no version bump]` or
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`[skip version]` (case-insensitive; `nobump`, `no-bump` and `no_bump` also work),
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- `NO_BUMP=1` (or `GIT_NO_BUMP=1`) is set, e.g. `NO_BUMP=1 git commit`, which is the only way
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for commits written in an editor, since their message doesn't exist yet when the hook runs,
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- `version` in `plugin.json` already differs from `HEAD` (you bumped it by hand, e.g. for a
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minor or major release),
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- a merge, rebase, cherry-pick or revert is in progress.
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Because every version change publishes a release (see below), a normal commit + push to
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`main` ships a new patch release. Use a stop word for commits that should not.
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## Publishing a release
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`.gitea/workflows/release.yml` builds, verifies and publishes the `.plugin` to the repo's
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Releases tab on every push to `main`. `dist/` is gitignored, so the artifact is always built
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by CI rather than committed. Nothing in the workflow is plugin-specific — it reads the id and
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version straight out of `plugin.json`, so it keeps working after you rename the plugin.
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The `version` field in `plugin.json` is the single source of truth:
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| Push to `main` with… | Result |
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| --- | --- |
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| a new `version` | creates tag `v<version>` and a new release |
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| the same `version` | rebuilds the existing release, replacing its attachment |
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So every push leaves a downloadable build attached to the current version, and bumping
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`version` is what cuts a new release. With the git hooks enabled every commit bumps it,
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so every push of a normal commit cuts a new patch release. Pushing a `v*` tag by hand still works and uses that
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tag verbatim, as does a manual run (Actions → Publish plugin → Run workflow).
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Every path runs `--check`, builds with `--release`, and gates the upload on
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`verify_bundle.py`, so a bundle that fails verification is never published. A rebuild
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replaces the attachment rather than piling up duplicates, and refreshes the release notes to
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name the commit it came from. The tag itself is never moved: it keeps pointing at the commit
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that first introduced that version.
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Authentication uses `secrets.API_TOKEN`, an organisation-level Actions secret holding a user
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token with the `write:repository` scope (which covers releases). Set it once under
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**Org → Settings → Actions → Secrets** and every repo in the organisation inherits it; a
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repo-level secret of the same name takes precedence if one repo ever needs different
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credentials.
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The workflow passes it to `release.py` as `RELEASE_TOKEN`, **not** `GITEA_TOKEN`. The Actions
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runner injects its own `GITEA_TOKEN` into every step, and that value overrides a step-level
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`env:` entry of the same name, so the org secret would be silently ignored.
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If the org secret does not reach a repository the publish still works: `release.py` tries
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`RELEASE_TOKEN` first and then falls back to the runner's `GITEA_TOKEN`, which can publish
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releases in its own repository, and prints which one it used. An organisation secret is only
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exposed to a repository that has Actions enabled, so check **Repo → Settings → Actions** if a
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repo unexpectedly falls back.
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If you would rather not manage a token at all, that injected `GITEA_TOKEN` can create
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releases in its own repo: pass `--token-env GITEA_TOKEN` and drop the org secret. It is
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scoped to the single job and expires with it, so it is the safer default; `API_TOKEN` is what
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you want when publishing needs to reach beyond this repo.
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## Writing your own plugin
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1. Run `python3 tools/bundle.py --check` once. It enables the git hooks that auto-bump the
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version on commit (see [Git hooks and versioning](#git-hooks-and-versioning)).
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2. Edit `plugin.json` (id, name, description, etc.).
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3. Write your plugin under `src/`, with `src/main.py` as the entry module (absolute imports
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only — it's executed at plugin-module top level, not inside a package).
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4. `python3 tools/bundle.py --release && python3 tools/verify_bundle.py dist/<id>.plugin`
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(substitute your `id` from `plugin.json`).
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5. `bash scripts/deploy.sh --enable` with a device connected.
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- [How Unlocked Restrictions works](docs/how-it-works.md): how copying works, runtime notes
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- [Development](docs/development.md): getting started, repo layout, building and verifying, icon export
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- [How exteraGram plugins work](docs/how-plugins-work.md): the plugin format and lifecycle
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- [Device setup and ADB automation](docs/device-and-adb.md): deploy, watch, logs, debugger
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- [Versioning and releases](docs/versioning-and-releases.md): git hooks, auto-bump, CI publishing
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- [SDK notes](docs/sdk-notes.md): condensed exteraGram SDK API surface
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