Function init

src/content-scripts/clientAPI.js:47–104

()

}

export function init() {
  const apiTag = document.getElementById('mailvelope-api');
  if (apiTag) {
    if (apiTag.dataset.version !== prefs.version) {
      window.setTimeout(() => {
        window.dispatchEvent(new CustomEvent('mailvelope-disconnect', {detail: {version: prefs.version}}));
      }, 1);
    }
    return;
  }
  if (!window.mailvelope) {
    const element = document.createElement('script');
    element.id = 'mailvelope-api';
    element.src = chrome.runtime.getURL('client-API/mailvelope-client-api.js');
    element.dataset.version = prefs.version;
    document.head.append(element);
  }
  controllerPort = EventHandler.connect(`api-${getUUID()}`);
  const port = {
    onMessage: {
      addListener(listener) {
        window.addEventListener('message', event => {
          if (!isValidOrigin(event.origin) ||
              event.data.mvelo_extension ||
              !event.data.mvelo_client) {
            return;
          }
          const {mvelo_client, ...data} = event.data;
          try {
            checkTypes(data);
            if (data.identifier) {
              if (data.identifier.includes(KEYRING_DELIMITER)) {
                throw new MvError('Identifier invalid.', 'INVALID_IDENTIFIER');
              }
              data.keyringId = host + KEYRING_DELIMITER + data.identifier;
            } else {
              data.keyringId = MAIN_KEYRING_ID;
            }
            listener(data);
          } catch (e) {
            if (data._reply) {
              port.postMessage({...data, event: '_reply', error: mapError(e)});
            } else {
              throw e;
            }
          }
        });
      }
    },
    postMessage(options) {
      options.mvelo_extension = true;
      const targetOrigin = getTargetOrigin();
      window.postMessage(options, targetOrigin);
    }
  };
  clientPort = new EventHandler(port);
  registerClientEventHandler();
}