changed everything from filcnaplo to refilc finally
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Kima
313
refilc_kreta_api/lib/client/client.dart
Normal file
313
refilc_kreta_api/lib/client/client.dart
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// ignore_for_file: avoid_print
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import 'dart:convert';
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import 'dart:io';
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import 'package:refilc/api/login.dart';
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import 'package:refilc/api/nonce.dart';
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import 'package:refilc/api/providers/user_provider.dart';
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import 'package:refilc/api/providers/status_provider.dart';
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import 'package:refilc/models/settings.dart';
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import 'package:refilc/models/user.dart';
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import 'package:refilc/utils/jwt.dart';
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import 'package:refilc_kreta_api/client/api.dart';
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import 'package:http/http.dart' as http;
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import 'package:http/io_client.dart' as http;
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import 'dart:async';
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class KretaClient {
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String? accessToken;
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String? refreshToken;
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String? idToken;
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String? userAgent;
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late http.Client client;
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late final SettingsProvider _settings;
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late final UserProvider _user;
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late final StatusProvider _status;
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bool _loginRefreshing = false;
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KretaClient({
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this.accessToken,
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required SettingsProvider settings,
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required UserProvider user,
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required StatusProvider status,
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}) : _settings = settings,
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_user = user,
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_status = status,
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userAgent = settings.config.userAgent {
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var ioclient = HttpClient();
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ioclient.badCertificateCallback = _checkCerts;
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client = http.IOClient(ioclient);
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}
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bool _checkCerts(X509Certificate cert, String host, int port) {
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return _settings.developerMode;
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}
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Future<dynamic> getAPI(
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String url, {
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Map<String, String>? headers,
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bool autoHeader = true,
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bool json = true,
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bool rawResponse = false,
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}) async {
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Map<String, String> headerMap;
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if (rawResponse) json = false;
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if (headers != null) {
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headerMap = headers;
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} else {
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headerMap = {};
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}
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try {
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http.Response? res;
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for (int i = 0; i < 3; i++) {
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if (autoHeader) {
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if (!headerMap.containsKey("authorization") && accessToken != null) {
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headerMap["authorization"] = "Bearer $accessToken";
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}
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if (!headerMap.containsKey("user-agent") && userAgent != null) {
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headerMap["user-agent"] = "$userAgent";
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}
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}
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res = await client.get(Uri.parse(url), headers: headerMap);
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_status.triggerRequest(res);
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if (res.statusCode == 401) {
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await refreshLogin();
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headerMap.remove("authorization");
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} else {
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break;
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}
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// Wait before retrying
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await Future.delayed(const Duration(milliseconds: 500));
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}
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if (res == null) throw "Login error";
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if (res.body == 'invalid_grant' || res.body.replaceAll(' ', '') == '') {
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throw "Auth error";
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}
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if (json) {
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return jsonDecode(res.body);
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} else if (rawResponse) {
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return res.bodyBytes;
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} else {
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return res.body;
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}
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} on http.ClientException catch (error) {
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print(
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"ERROR: KretaClient.getAPI ($url) ClientException: ${error.message}");
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} catch (error) {
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print("ERROR: KretaClient.getAPI ($url) ${error.runtimeType}: $error");
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}
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}
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Future<dynamic> postAPI(
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String url, {
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Map<String, String>? headers,
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bool autoHeader = true,
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bool json = true,
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Object? body,
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}) async {
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Map<String, String> headerMap;
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if (headers != null) {
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headerMap = headers;
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} else {
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headerMap = {};
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}
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try {
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http.Response? res;
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for (int i = 0; i < 3; i++) {
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if (autoHeader) {
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if (!headerMap.containsKey("authorization") && accessToken != null) {
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headerMap["authorization"] = "Bearer $accessToken";
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}
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if (!headerMap.containsKey("user-agent") && userAgent != null) {
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headerMap["user-agent"] = "$userAgent";
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}
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if (!headerMap.containsKey("content-type")) {
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headerMap["content-type"] = "application/json";
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}
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if (url.contains('kommunikacio/uzenetek')) {
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headerMap["X-Uzenet-Lokalizacio"] = "hu-HU";
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}
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}
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res = await client.post(Uri.parse(url), headers: headerMap, body: body);
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if (res.statusCode == 401) {
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await refreshLogin();
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headerMap.remove("authorization");
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} else {
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break;
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}
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}
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if (res == null) throw "Login error";
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if (json) {
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print(jsonDecode(res.body));
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return jsonDecode(res.body);
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} else {
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return res.body;
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}
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} on http.ClientException catch (error) {
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print(
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"ERROR: KretaClient.postAPI ($url) ClientException: ${error.message}");
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} catch (error) {
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print("ERROR: KretaClient.postAPI ($url) ${error.runtimeType}: $error");
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}
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}
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Future<dynamic> sendFilesAPI(
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String url, {
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Map<String, String>? headers,
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bool autoHeader = true,
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Map<String, String>? body,
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}) async {
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Map<String, String> headerMap;
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if (headers != null) {
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headerMap = headers;
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} else {
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headerMap = {};
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}
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try {
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http.StreamedResponse? res;
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for (int i = 0; i < 3; i++) {
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if (autoHeader) {
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if (!headerMap.containsKey("authorization") && accessToken != null) {
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headerMap["authorization"] = "Bearer $accessToken";
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}
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if (!headerMap.containsKey("user-agent") && userAgent != null) {
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headerMap["user-agent"] = "$userAgent";
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}
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if (!headerMap.containsKey("content-type")) {
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headerMap["content-type"] = "multipart/form-data";
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}
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if (url.contains('kommunikacio/uzenetek')) {
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headerMap["X-Uzenet-Lokalizacio"] = "hu-HU";
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}
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}
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var request = http.MultipartRequest("POST", Uri.parse(url));
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// request.files.add(value)
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request.fields.addAll(body ?? {});
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request.headers.addAll(headers ?? {});
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res = await request.send();
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if (res.statusCode == 401) {
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await refreshLogin();
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headerMap.remove("authorization");
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} else {
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break;
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}
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}
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if (res == null) throw "Login error";
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print(res.statusCode);
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return res.statusCode;
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} on http.ClientException catch (error) {
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print(
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"ERROR: KretaClient.postAPI ($url) ClientException: ${error.message}");
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} catch (error) {
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print("ERROR: KretaClient.postAPI ($url) ${error.runtimeType}: $error");
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}
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}
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Future<void> refreshLogin() async {
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if (_loginRefreshing) return;
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_loginRefreshing = true;
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User? loginUser = _user.user;
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if (loginUser == null) return;
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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 getAPI(KretaAPI.nonce, json: false);
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Nonce nonce =
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getNonce(nonceStr, loginUser.username, loginUser.instituteCode);
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headers.addAll(nonce.header());
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if (_settings.presentationMode) {
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print("DEBUG: refreshLogin: ${loginUser.id}");
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} else {
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print("DEBUG: refreshLogin: ${loginUser.id} ${loginUser.name}");
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}
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Map? loginRes = await postAPI(
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KretaAPI.login,
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headers: headers,
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body: User.loginBody(
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username: loginUser.username,
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password: loginUser.password,
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instituteCode: loginUser.instituteCode,
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),
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);
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if (loginRes != null) {
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if (loginRes.containsKey("access_token")) {
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accessToken = loginRes["access_token"];
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}
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if (loginRes.containsKey("refresh_token")) {
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refreshToken = loginRes["refresh_token"];
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}
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// Update role
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loginUser.role =
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JwtUtils.getRoleFromJWT(accessToken ?? "") ?? Role.student;
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}
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if (refreshToken != null) {
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Map? refreshRes = await postAPI(KretaAPI.login,
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headers: headers,
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body: User.refreshBody(
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refreshToken: refreshToken!,
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instituteCode: loginUser.instituteCode));
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if (refreshRes != null) {
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if (refreshRes.containsKey("id_token")) {
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idToken = refreshRes["id_token"];
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}
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}
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}
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_loginRefreshing = false;
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}
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Future<void> logout() async {
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User? loginUser = _user.user;
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if (loginUser == null) return;
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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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await postAPI(
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KretaAPI.logout,
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headers: headers,
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body: User.logoutBody(
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refreshToken: refreshToken!,
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),
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json: false,
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);
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}
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}
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