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Settings.ts 3.2KB

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  1. import { jitsiLocalStorage } from '@jitsi/js-utils';
  2. import { getLogger } from '@jitsi/logger';
  3. import { v4 as uuidv4 } from 'uuid';
  4. import { generateUsername } from '../util/UsernameGenerator';
  5. const logger = getLogger('modules/settings/Settings');
  6. let _callStatsUserName: string | null = null;
  7. let _machineId: string | null = null;
  8. /**
  9. *
  10. */
  11. export interface ISettings {
  12. _storage: Storage;
  13. readonly callStatsUserName: string;
  14. init: (externalStorage?: Storage) => void;
  15. readonly machineId: string;
  16. sessionId: string;
  17. }
  18. const Settings: ISettings = {
  19. /**
  20. * The storage used to store the settings.
  21. */
  22. _storage: jitsiLocalStorage,
  23. /**
  24. * Initializes the Settings class.
  25. *
  26. * @param {Storage|undefined} externalStorage - Object that implements the Storage interface. This object will be
  27. * used for storing data instead of jitsiLocalStorage if specified.
  28. */
  29. init(externalStorage?: Storage): void {
  30. this._storage = externalStorage || jitsiLocalStorage;
  31. },
  32. /**
  33. * Returns the ID to use for the purposes of stats, saved in localstorage as "callStatsUserName".
  34. * @returns {string} fake username for callstats
  35. */
  36. get callStatsUserName(): string {
  37. if (!_callStatsUserName) {
  38. _callStatsUserName = this._storage.getItem('callStatsUserName');
  39. if (!_callStatsUserName) {
  40. _callStatsUserName = _generateStatsId();
  41. this._storage.setItem('callStatsUserName', _callStatsUserName);
  42. }
  43. }
  44. return _callStatsUserName;
  45. },
  46. /**
  47. * Returns current machine id.
  48. * @returns {string} machine id
  49. */
  50. get machineId(): string {
  51. if (!_machineId) {
  52. const amDid = this._storage.getItem('billingId');
  53. _machineId = amDid || this._storage.getItem('jitsiMeetId');
  54. if (amDid) {
  55. this._storage.setItem('jitsiMeetId', amDid);
  56. } else if (!_machineId) {
  57. _machineId = generateJitsiMeetId();
  58. this._storage.setItem('jitsiMeetId', _machineId);
  59. }
  60. }
  61. return _machineId!;
  62. },
  63. /**
  64. * Returns current session id.
  65. * @returns {string} current session id
  66. */
  67. get sessionId(): string {
  68. // We may update sessionId in localStorage from another JitsiConference
  69. // instance and that's why we should always re-read it.
  70. return this._storage.getItem('sessionId') || '';
  71. },
  72. /**
  73. * Save current session id.
  74. * @param {string} sessionId session id
  75. */
  76. set sessionId(sessionId: string) {
  77. if (sessionId) {
  78. this._storage.setItem('sessionId', sessionId);
  79. } else {
  80. this._storage.removeItem('sessionId');
  81. }
  82. }
  83. };
  84. /**
  85. * Generate a random ID to be used for statistics.
  86. * @returns {string} the random ID
  87. */
  88. function _generateStatsId() {
  89. const username = generateUsername();
  90. logger.log('generated stats id', username);
  91. return username;
  92. }
  93. /**
  94. * Generate unique id.
  95. * @returns {string} random unique id
  96. */
  97. function generateJitsiMeetId(): string {
  98. const jitsiMeetId = uuidv4().replaceAll('-', '');
  99. logger.log('generated id', jitsiMeetId);
  100. return jitsiMeetId;
  101. }
  102. export default Settings;