Šepot — end-to-end encrypted messenger
Initial public release. Anonymous on-device identity (no phone number, e-mail, or password), Signal-protocol cryptography (X3DH + PQXDH, Double Ratchet, sealed sender) via libsignal, a metadata-minimizing relay, group chats, disappearing messages, encrypted local storage, optional Tor transport, and a UI localized into Czech, English, German, Russian, and Italian. Monorepo: Flutter client (app/), Rust relay + wire types (rust/), protobuf definitions (proto/), self-host deploy (deploy/). Licensed under AGPL-3.0 with an app-store distribution exception (§7).
This commit is contained in:
Julius Joska
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:qr_flutter/qr_flutter.dart';
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import 'package:share_plus/share_plus.dart';
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import 'package:sepot/core/l10n/error_messages.dart';
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import 'package:sepot/core/l10n/l10n.dart';
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import 'package:sepot/core/theme/app_theme.dart';
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import 'package:sepot/providers/identity_provider.dart';
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import 'package:sepot/providers/messaging_provider.dart';
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/// Sdílení vlastního QR kódu a Šepot ID
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class QrShareScreen extends ConsumerWidget {
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const QrShareScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final identityAsync = ref.watch(identityProvider);
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return Scaffold(
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appBar: AppBar(
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title: Text(context.l10n.qrShareTitle),
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),
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body: identityAsync.when(
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data: (identity) {
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if (identity == null) {
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return Center(child: Text(context.l10n.qrIdentityNotFound));
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}
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// Sdílet s routingem (accountId + delivery address z relaye),
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// jinak protistrana nemá kam poslat první zprávu
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final service = ref.watch(messagingServiceProvider);
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final shareString = (service.shareableIdentity ??
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identity.publicIdentity)
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.toShareString();
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return SingleChildScrollView(
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padding: const EdgeInsets.all(32),
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child: Column(
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children: [
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// QR kód
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Container(
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(24),
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),
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child: QrImageView(
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data: shareString,
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version: QrVersions.auto,
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size: 240,
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errorCorrectionLevel: QrErrorCorrectLevel.M,
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eyeStyle: const QrEyeStyle(
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eyeShape: QrEyeShape.square,
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color: Color(0xFF030712),
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),
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dataModuleStyle: const QrDataModuleStyle(
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dataModuleShape: QrDataModuleShape.circle,
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color: Color(0xFF030712),
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),
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),
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),
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const SizedBox(height: 32),
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// Šepot ID
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Text(
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identity.sepotId,
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style: const TextStyle(
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fontFamily: kFontMono,
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fontSize: 24,
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fontWeight: FontWeight.w600,
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color: SepotColors.ember,
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),
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),
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const SizedBox(height: 8),
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Text(
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identity.displayName,
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style: const TextStyle(
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fontFamily: kFontSans,
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fontSize: 18,
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fontWeight: FontWeight.w500,
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color: SepotColors.textPrimary,
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),
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),
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const SizedBox(height: 8),
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// Fingerprint
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Text(
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context.l10n.settingsFingerprint(identity.fingerprint.display),
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style: SepotTheme.cryptoText,
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),
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const SizedBox(height: 32),
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// Akce
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Row(
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children: [
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Expanded(
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child: OutlinedButton.icon(
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onPressed: () {
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Clipboard.setData(ClipboardData(text: shareString));
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content:
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Text(context.l10n.commonCopiedToClipboard),
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),
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);
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},
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icon: const Icon(Icons.copy),
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label: Text(context.l10n.commonCopy),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: ElevatedButton.icon(
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onPressed: () {
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Share.share(
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context.l10n.qrShareInviteMessage(shareString),
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);
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},
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icon: const Icon(Icons.share),
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label: Text(context.l10n.commonShare),
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),
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),
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],
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),
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const SizedBox(height: 24),
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// Informace
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: SepotColors.surfaceVariant,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: SepotColors.border),
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),
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child: Row(
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children: [
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const Icon(Icons.info_outline, color: SepotColors.textMuted, size: 20),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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context.l10n.qrShareInfo,
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style: const TextStyle(
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fontSize: 13,
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color: SepotColors.textSecondary,
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),
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),
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),
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],
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),
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),
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],
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),
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);
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},
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loading: () => const Center(
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child: CircularProgressIndicator(color: SepotColors.ember),
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),
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error: (e, _) => Center(child: Text(describeError(context.l10n, e))),
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),
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);
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}
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}
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