mobile/android/actors/GeckoViewPermissionParent.sys.mjs

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
   6 import { GeckoViewActorParent } from "resource://gre/modules/GeckoViewActorParent.sys.mjs";
   7
   8 export class GeckoViewPermissionParent extends GeckoViewActorParent {
   9   _appPermissions = {};
  10
  11   async getAppPermissions(aPermissions) {
  12     const perms = aPermissions.filter(perm => !this._appPermissions[perm]);
  13     if (!perms.length) {
  14       return Promise.resolve(/* granted */ true);
  15     }
  16
  17     const granted = await this.eventDispatcher.sendRequestForResult({
  18       type: "GeckoView:AndroidPermission",
  19       perms,
  20     });
  21
  22     if (granted) {
  23       for (const perm of perms) {
  24         this._appPermissions[perm] = true;
  25       }
  26     }
  27
  28     return granted;
  29   }
  30
  31   addCameraPermission() {
  32     const principal =
  33       Services.scriptSecurityManager.createContentPrincipalFromOrigin(
  34         this.browsingContext.top.currentWindowGlobal.documentPrincipal.origin
  35       );
  36
  37     // Although the lifetime is "session" it will be removed upon
  38     // use so it's more of a one-shot.
  39     Services.perms.addFromPrincipal(
  40       principal,
  41       "MediaManagerVideo",
  42       Services.perms.ALLOW_ACTION,
  43       Services.perms.EXPIRE_SESSION
  44     );
  45
  46     return null;
  47   }
  48
  49   receiveMessage(aMessage) {
  50     debug`receiveMessage ${aMessage.name}`;
  51
  52     switch (aMessage.name) {
  53       case "GetAppPermissions": {
  54         return this.getAppPermissions(aMessage.data);
  55       }
  56       case "AddCameraPermission": {
  57         return this.addCameraPermission();
  58       }
  59     }
  60
  61     return super.receiveMessage(aMessage);
  62   }
  63 }
  64
  65 const { debug, warn } = GeckoViewUtils.initLogging("GeckoViewPermissionParent");