98 lines
4.0 KiB
Dart
98 lines
4.0 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:aitrainer_app/service/logging.dart';
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import 'package:aitrainer_app/util/common.dart';
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import 'package:aitrainer_app/util/not_found_exception.dart';
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import 'package:flutter/services.dart';
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import 'package:aitrainer_app/model/cache.dart';
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class APIClient with Common, Logging {
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dynamic authenticateUser(String email, String password) async {
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var url = Cache().getBaseUrl() + "authenticate";
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try {
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ByteData data = await rootBundle.load('asset/data/aitrainer_server.crt.pem');
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SecurityContext context = SecurityContext.defaultContext;
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context.setTrustedCertificatesBytes(data.buffer.asUint8List(), password: "[xxxx]");
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HttpClient client = new HttpClient(); //context: context Todo provide the right certificate
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client.badCertificateCallback = ((X509Certificate cert, String host, int port) {
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print("Host: $host Port: $port");
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return true;
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});
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var uri = Uri.parse(url);
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final HttpClientRequest request = await client.postUrl(uri);
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request.headers.set('Content-Type', 'application/json');
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request.headers.set('Authorization', '1');
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final body = '{"username":"$email", "password":"$password"}';
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request.write(body);
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HttpClientResponse result = await request.close();
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if (result.statusCode != 200) {
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trace("authentication response: ${result.statusCode}");
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throw Exception("Network error, try again later!");
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}
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return jsonDecode(await result.transform(utf8.decoder).join());
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} catch (exception) {
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print(exception.toString());
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throw Exception("Network error, try again later!");
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}
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}
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Future<String> post(String endPoint, String body) async {
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final url = Cache().getBaseUrl() + endPoint;
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trace(" ------------ http/post body $body - url: $url ");
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String authToken = Cache().getAuthToken();
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if (authToken.length == 0) {
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var responseJson = await this.authenticateUser(Cache.username, Cache.password);
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authToken = responseJson['token'];
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Cache().authToken = authToken;
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}
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var uri = Uri.parse(url);
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HttpClient client = new HttpClient();
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client.badCertificateCallback = ((X509Certificate cert, String host, int port) => true);
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final HttpClientRequest request = await client.postUrl(uri);
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request.headers.set('Content-Type', 'application/json');
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request.headers.set('Authorization', 'Bearer $authToken');
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request.contentLength = body.length;
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request.write(body);
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HttpClientResponse result = await request.close();
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trace(" ------------post response code: " + result.statusCode.toString());
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if (result.statusCode == 200) {
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return await result.transform(utf8.decoder).join();
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} else if (result.statusCode == 404) {
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throw NotFoundException(message: "Not Found");
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} else {
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throw Exception("Network Error, please try again later");
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}
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}
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Future<String> get(String endPoint, String param) async {
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final url = Cache().getBaseUrl() + endPoint + param;
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trace("-------- API get " + url);
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String authToken = Cache().getAuthToken();
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if (authToken.length == 0) {
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var responseJson = await this.authenticateUser(Cache.username, Cache.password);
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authToken = responseJson['token'];
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Cache().authToken = authToken;
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}
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var uri = Uri.parse(url);
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HttpClient client = new HttpClient();
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client.badCertificateCallback = ((X509Certificate cert, String host, int port) => true);
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final HttpClientRequest request = await client.getUrl(uri);
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request.headers.set('Content-Type', 'application/json');
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request.headers.set('Authorization', 'Bearer $authToken');
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HttpClientResponse result = await request.close();
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trace(" ------------get response code: " + result.statusCode.toString());
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if (result.statusCode == 200) {
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return await result.transform(utf8.decoder).join();
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} else if (result.statusCode == 404) {
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throw NotFoundException(message: "Not Found");
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} else {
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throw Exception("Network Error, please try again later");
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}
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}
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}
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