116 lines
4.7 KiB
Dart
116 lines
4.7 KiB
Dart
// ignore_for_file: avoid_print
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import 'package:filcnaplo/utils/jwt.dart';
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import 'package:filcnaplo_kreta_api/providers/absence_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/event_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/exam_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/grade_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/homework_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/message_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/note_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/timetable_provider.dart';
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import 'package:filcnaplo/api/providers/user_provider.dart';
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import 'package:filcnaplo/api/providers/database_provider.dart';
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import 'package:filcnaplo/models/settings.dart';
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import 'package:filcnaplo/models/user.dart';
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import 'package:filcnaplo_kreta_api/client/api.dart';
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import 'package:filcnaplo_kreta_api/client/client.dart';
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import 'package:filcnaplo_kreta_api/models/student.dart';
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import 'package:filcnaplo_kreta_api/models/week.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:filcnaplo/api/nonce.dart';
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enum LoginState { missingFields, invalidGrant, failed, normal, inProgress, success }
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Nonce getNonce(BuildContext context, String nonce, String username, String instituteCode) {
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Nonce nonceEncoder = Nonce(key: [53, 75, 109, 112, 109, 103, 100, 53, 102, 74], nonce: nonce);
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nonceEncoder.encode(username.toLowerCase() + instituteCode.toLowerCase() + nonce);
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return nonceEncoder;
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}
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Future loginApi({
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required String username,
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required String password,
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required String instituteCode,
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required BuildContext context,
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void Function(User)? onLogin,
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void Function()? onSuccess,
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}) async {
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Provider.of<KretaClient>(context, listen: false).userAgent = Provider.of<SettingsProvider>(context, listen: false).config.userAgent;
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Map<String, String> headers = {
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"content-type": "application/x-www-form-urlencoded",
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};
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String nonceStr = await Provider.of<KretaClient>(context, listen: false).getAPI(KretaAPI.nonce, json: false);
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Nonce nonce = getNonce(context, nonceStr, username, instituteCode);
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headers.addAll(nonce.header());
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Map? res = await Provider.of<KretaClient>(context, listen: false).postAPI(KretaAPI.login,
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headers: headers,
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body: User.loginBody(
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username: username,
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password: password,
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instituteCode: instituteCode,
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));
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if (res != null) {
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if (res.containsKey("error")) {
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if (res["error"] == "invalid_grant") {
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return LoginState.invalidGrant;
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}
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} else {
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if (res.containsKey("access_token")) {
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try {
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Provider.of<KretaClient>(context, listen: false).accessToken = res["access_token"];
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Map? studentJson = await Provider.of<KretaClient>(context, listen: false).getAPI(KretaAPI.student(instituteCode));
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Student student = Student.fromJson(studentJson!);
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var user = User(
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username: username,
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password: password,
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instituteCode: instituteCode,
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name: student.name,
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student: student,
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role: JwtUtils.getRoleFromJWT(res["access_token"])!,
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);
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if (onLogin != null) onLogin(user);
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// Store User in the database
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await Provider.of<DatabaseProvider>(context, listen: false).store.storeUser(user);
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Provider.of<UserProvider>(context, listen: false).addUser(user);
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Provider.of<UserProvider>(context, listen: false).setUser(user.id);
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// Get user data
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try {
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await Future.wait([
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Provider.of<GradeProvider>(context, listen: false).fetch(),
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Provider.of<TimetableProvider>(context, listen: false).fetch(week: Week.current()),
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Provider.of<ExamProvider>(context, listen: false).fetch(),
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Provider.of<HomeworkProvider>(context, listen: false).fetch(),
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Provider.of<MessageProvider>(context, listen: false).fetchAll(),
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Provider.of<NoteProvider>(context, listen: false).fetch(),
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Provider.of<EventProvider>(context, listen: false).fetch(),
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Provider.of<AbsenceProvider>(context, listen: false).fetch(),
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]);
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} catch (error) {
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print("WARNING: failed to fetch user data: $error");
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}
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if (onSuccess != null) onSuccess();
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return LoginState.success;
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} catch (error) {
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print("ERROR: loginApi: $error");
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// maybe check debug mode
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// ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("ERROR: $error")));
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return LoginState.failed;
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}
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}
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}
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}
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return LoginState.failed;
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}
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