aboutsummaryrefslogtreecommitdiffstats
path: root/lib/data/data_providers/app_config_provider.dart
blob: a60a462e6d63990a7fdf96fbfac51daf41abc4e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter_ics_homescreen/core/constants/constants.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:yaml/yaml.dart';

class KuksaConfig {
  final String hostname;
  final int port;
  final String authorization;
  final bool use_tls;
  final List<int> ca_certificate;
  final String tls_server_name;

  static String defaultHostname = 'localhost';
  static int defaultPort = 55555;
  static String defaultCaCertPath = '/etc/kuksa-val/CA.pem';

  KuksaConfig(
      {required this.hostname,
      required this.port,
      required this.authorization,
      required this.use_tls,
      required this.ca_certificate,
      required this.tls_server_name});

  static KuksaConfig defaultConfig() {
    return KuksaConfig(
        hostname: KuksaConfig.defaultHostname,
        port: KuksaConfig.defaultPort,
        authorization: "",
        use_tls: false,
        ca_certificate: [],
        tls_server_name: "");
  }
}

class RadioConfig {
  final String hostname;
  final int port;
  final String presets;

  static String defaultHostname = 'localhost';
  static int defaultPort = 50053;
  static String defaultPresets =
      '/etc/xdg/AGL/ics-homescreen/radio-presets.yaml';

  RadioConfig(
      {required this.hostname, required this.port, required this.presets});

  static RadioConfig defaultConfig() {
    return RadioConfig(
        hostname: RadioConfig.defaultHostname,
        port: RadioConfig.defaultPort,
        presets: RadioConfig.defaultPresets);
  }
}

class AppConfig {
  final bool disableBkgAnimation;
  final bool randomHybridAnimation;
  final KuksaConfig kuksaConfig;
  final RadioConfig radioConfig;

  static String configFilePath = '/etc/xdg/AGL/ics-homescreen.yaml';

  AppConfig(
      {required this.disableBkgAnimation,
      required this.randomHybridAnimation,
      required this.kuksaConfig,
      required this.radioConfig});

  static KuksaConfig parseKuksaConfig(YamlMap kuksaMap) {
    try {
      String hostname = KuksaConfig.defaultHostname;
      if (kuksaMap.containsKey('hostname')) {
        hostname = kuksaMap['hostname'];
      }

      int port = KuksaConfig.defaultPort;
      if (kuksaMap.containsKey('port')) {
        port = kuksaMap['port'];
      }

      String token = "";
      if (kuksaMap.containsKey('authorization')) {
        String s = kuksaMap['authorization'];
        if (s.isNotEmpty) {
          if (s.startsWith("/")) {
            debugPrint("Reading authorization token $s");
            try {
              token = File(s).readAsStringSync();
            } catch (_) {
              print("ERROR: Could not read authorization token file $token");
              token = "";
            }
          } else {
            token = s;
          }
        }
      }
      //debugPrint("authorization = $token");

      bool use_tls = false;
      if (kuksaMap.containsKey('use-tls')) {
        var value = kuksaMap['use-tls'];
        if (value is bool) use_tls = value;
      }
      //debugPrint("Use TLS = $use_tls");

      List<int> ca_cert = [];
      String ca_path = KuksaConfig.defaultCaCertPath;
      if (kuksaMap.containsKey('ca-certificate')) {
        ca_path = kuksaMap['ca-certificate'];
      }
      try {
        ca_cert = File(ca_path).readAsBytesSync();
      } catch (_) {
        print("ERROR: Could not read CA certificate file $ca_path");
        ca_cert = [];
      }
      //debugPrint("CA cert = $ca_cert");

      String tls_server_name = "";
      if (kuksaMap.containsKey('tls-server-name')) {
        tls_server_name = kuksaMap['tls_server_name'];
      }

      return KuksaConfig(
          hostname: hostname,
          port: port,
          authorization: token,
          use_tls: use_tls,
          ca_certificate: ca_cert,
          tls_server_name: tls_server_name);
    } catch (_) {
      return KuksaConfig.defaultConfig();
    }
  }

  static RadioConfig parseRadioConfig(YamlMap radioMap) {
    try {
      String hostname = RadioConfig.defaultHostname;
      if (radioMap.containsKey('hostname')) {
        hostname = radioMap['hostname'];
      }

      int port = RadioConfig.defaultPort;
      if (radioMap.containsKey('port')) {
        port = radioMap['port'];
      }

      String presets = RadioConfig.defaultPresets;
      if (radioMap.containsKey('presets')) {
        hostname = radioMap['presets'];
      }

      return RadioConfig(hostname: hostname, port: port, presets: presets);
    } catch (_) {
      return RadioConfig.defaultConfig();
    }
  }
}

final appConfigProvider = Provider((ref) {
  final configFile = File(AppConfig.configFilePath);
  try {
    print("Reading configuration ${AppConfig.configFilePath}");
    String content = configFile.readAsStringSync();
    final dynamic yamlMap = loadYaml(content);

    KuksaConfig kuksaConfig;
    if (yamlMap.containsKey('kuksa')) {
      kuksaConfig = AppConfig.parseKuksaConfig(yamlMap['kuksa']);
    } else {
      kuksaConfig = KuksaConfig(
          hostname: KuksaConfig.defaultHostname,
          port: KuksaConfig.defaultPort,
          authorization: "",
          use_tls: false,
          ca_certificate: [],
          tls_server_name: "");
    }

    RadioConfig radioConfig;
    if (yamlMap.containsKey('radio')) {
      radioConfig = AppConfig.parseRadioConfig(yamlMap['radio']);
    } else {
      radioConfig = RadioConfig.defaultConfig();
    }

    bool disableBkgAnimation = disableBkgAnimationDefault;
    if (yamlMap.containsKey('disable-bg-animation')) {
      var value = yamlMap['disable-bg-animation'];
      if (value is bool) {
        disableBkgAnimation = value;
      }
    }

    bool randomHybridAnimation = randomHybridAnimationDefault;
    if (yamlMap.containsKey('random-hybrid-animation')) {
      var value = yamlMap['random-hybrid-animation'];
      if (value is bool) {
        randomHybridAnimation = value;
      }
    }

    return AppConfig(
        disableBkgAnimation: disableBkgAnimation,
        randomHybridAnimation: randomHybridAnimation,
        kuksaConfig: kuksaConfig,
        radioConfig: radioConfig);
  } catch (_) {
    return AppConfig(
        disableBkgAnimation: false,
        randomHybridAnimation: false,
        kuksaConfig: KuksaConfig.defaultConfig(),
        radioConfig: RadioConfig.defaultConfig());
  }
});