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fluffychat/lib/utils/uia_request_manager.dart

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//@dart=2.12
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import 'dart:async';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
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import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:flutter_inappwebview/flutter_inappwebview.dart';
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import 'package:matrix/matrix.dart';
import 'package:url_launcher/url_launcher.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:fluffychat/widgets/matrix.dart';
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extension UiaRequestManager on MatrixState {
Future uiaRequestHandler(UiaRequest uiaRequest) async {
try {
if (uiaRequest.state != UiaRequestState.waitForUser ||
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uiaRequest.nextStages.isEmpty) {
Logs().d('Uia Request Stage: ${uiaRequest.state}');
return;
}
final stage = uiaRequest.nextStages.first;
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Logs().d('Uia Request Stage: $stage');
switch (stage) {
case AuthenticationTypes.password:
final input = cachedPassword ??
(await showTextInputDialog(
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context: navigatorContext,
title: L10n.of(context)!.pleaseEnterYourPassword,
okLabel: L10n.of(context)!.ok,
cancelLabel: L10n.of(context)!.cancel,
textFields: [
const DialogTextField(
minLines: 1,
maxLines: 1,
obscureText: true,
hintText: '******',
)
],
))
?.single;
if (input == null || input.isEmpty) {
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return uiaRequest.cancel();
}
return uiaRequest.completeStage(
AuthenticationPassword(
session: uiaRequest.session,
password: input,
identifier: AuthenticationUserIdentifier(user: client.userID!),
),
);
case AuthenticationTypes.emailIdentity:
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if (currentThreepidCreds == null || currentClientSecret == null) {
return uiaRequest.cancel(
UiaException(L10n.of(widget.context)!.serverRequiresEmail),
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);
}
final auth = AuthenticationThreePidCreds(
session: uiaRequest.session,
type: AuthenticationTypes.emailIdentity,
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threepidCreds: ThreepidCreds(
sid: currentThreepidCreds.sid,
clientSecret: currentClientSecret,
),
);
if (OkCancelResult.ok ==
await showOkCancelAlertDialog(
useRootNavigator: false,
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context: navigatorContext,
title: L10n.of(context)!.weSentYouAnEmail,
message: L10n.of(context)!.pleaseClickOnLink,
okLabel: L10n.of(context)!.iHaveClickedOnLink,
cancelLabel: L10n.of(context)!.cancel,
)) {
return uiaRequest.completeStage(auth);
}
return uiaRequest.cancel();
case AuthenticationTypes.dummy:
return uiaRequest.completeStage(
AuthenticationData(
type: AuthenticationTypes.dummy,
session: uiaRequest.session,
),
);
default:
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final url = Uri.parse(client.homeserver.toString() +
'/_matrix/client/r0/auth/$stage/fallback/web?session=${uiaRequest.session}');
if (PlatformInfos.isMobile) {
final browser = UiaFallbackBrowser();
browser.addMenuItem(
ChromeSafariBrowserMenuItem(
action: (_, __) {
uiaRequest.cancel();
},
label: L10n.of(context)!.cancel,
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id: 0,
),
);
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await browser.open(url: url);
await browser.whenClosed.stream.first;
} else {
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launch(url.toString());
if (OkCancelResult.ok ==
await showOkCancelAlertDialog(
useRootNavigator: false,
message: L10n.of(context)!.pleaseFollowInstructionsOnWeb,
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context: navigatorContext,
okLabel: L10n.of(context)!.next,
cancelLabel: L10n.of(context)!.cancel,
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)) {
return uiaRequest.completeStage(
AuthenticationData(session: uiaRequest.session),
);
} else {
return uiaRequest.cancel();
}
}
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await uiaRequest.completeStage(
AuthenticationData(session: uiaRequest.session),
);
}
} catch (e, s) {
Logs().e('Error while background UIA', e, s);
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return uiaRequest.cancel(e is Exception ? e : Exception(e));
}
}
}
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class UiaException implements Exception {
final String reason;
UiaException(this.reason);
@override
String toString() => reason;
}
class UiaFallbackBrowser extends ChromeSafariBrowser {
final StreamController<bool> whenClosed = StreamController<bool>.broadcast();
@override
onClosed() => whenClosed.add(true);
}