2ro
ef4a7a5d19
Copying a revealed nsec (or a post-rotation new key) left the secret sitting in the clipboard indefinitely. Add copy_secret_to_buffer: it copies now and, after a short delay, clears the clipboard only if it still holds exactly that secret (compare-then-clear), so whatever the user copied since is never clobbered. Both nsec copy sites now use it. Desktop clears through the long-lived clipboard owner on a background thread; Android does the same over its JNI clipboard via the established non-GUI app-handle pattern; other platforms fall back to a plain copy.
80 lines
3.1 KiB
Rust
80 lines
3.1 KiB
Rust
// Copyright 2023 The Grim Developers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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pub use self::platform::*;
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#[cfg(target_os = "android")]
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#[path = "android/mod.rs"]
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pub mod platform;
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#[cfg(not(target_os = "android"))]
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#[path = "desktop/mod.rs"]
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pub mod platform;
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pub trait PlatformCallbacks {
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fn set_context(&mut self, ctx: &egui::Context);
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fn exit(&self);
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fn copy_string_to_buffer(&self, data: String);
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/// Copy a SECRET (e.g. a revealed nsec) to the clipboard, then auto-clear it
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/// after a short delay so it does not linger there forever. The clear is
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/// compare-then-clear: it only wipes the clipboard if it STILL holds exactly
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/// this secret, so whatever the user copied since is never clobbered.
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/// Defaults to a plain copy on platforms without a timed clear.
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fn copy_secret_to_buffer(&self, data: String) {
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self.copy_string_to_buffer(data);
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}
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fn get_string_from_buffer(&self) -> String;
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fn start_camera(&self);
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fn stop_camera(&self);
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fn camera_image(&self) -> Option<(Vec<u8>, u32)>;
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fn can_switch_camera(&self) -> bool;
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fn switch_camera(&self);
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fn share_data(&self, name: String, data: Vec<u8>) -> Result<(), std::io::Error>;
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/// Save bytes to a user-chosen location on the device (a "save as" dialog).
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/// Desktop already does this via `share_data` (rfd save dialog); Android
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/// overrides to use the Storage Access Framework (ACTION_CREATE_DOCUMENT)
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/// instead of the share sheet.
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fn save_file(&self, name: String, data: Vec<u8>) -> Result<(), std::io::Error> {
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self.share_data(name, data)
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}
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/// Share plain text via the platform's native share sheet (e.g. a payment
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/// link). Defaults to copying to the clipboard on platforms without a share
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/// sheet (desktop).
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fn share_text(&self, text: String) {
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self.copy_string_to_buffer(text);
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}
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fn pick_file(&self) -> Option<String>;
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/// Native picker filtered to picture files; defaults to the plain picker
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/// on platforms without filter support (magic-byte sniffing protects).
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fn pick_image_file(&self) -> Option<String> {
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self.pick_file()
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}
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fn pick_folder(&self) -> Option<String>;
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fn picked_file(&self) -> Option<String>;
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fn request_user_attention(&self);
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fn user_attention_required(&self) -> bool;
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fn clear_user_attention(&self);
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/// Set the status-bar icon color to contrast the current theme. `white` =
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/// light icons (for a dark background). No-op off Android.
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fn set_status_bar_white_icons(&self, _white: bool) {}
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/// Play a short "error" haptic (e.g. a rejected over-balance payment).
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/// No-op off Android.
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fn vibrate_error(&self) {}
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/// Play a tiny "tick" haptic confirming a successful copy. No-op off Android.
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fn vibrate_copy(&self) {}
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}
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