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products/Sources/formale Sprachen/C/Firefox/security/nss/coreconf/   (Browser von der Mozilla Stiftung Version 136.0.1©)  Datei vom 10.2.2025 mit Größe 9 kB image not shown  

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permissions.js


products/Sources/formale Sprachen/C/Firefox/browser/fxr/content/permissions.js

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* import-globals-from fxrui.js */ /** * Code to manage Permissions UI * * FxR on Desktop only supports granting permission for * - Location * - Camera * - Microphone * Any other permissions are automatically denied. * */ // Base class for managing permissions in FxR on PC class FxrPermissionPromptPrototype { constructor(aRequest, aBrowser, aCallback) { this.request = aRequest; this.targetBrowser = aBrowser; this.responseCallback = aCallback; } showPrompt() { // For now, all permissions default to denied. Testing for allow must be // done manually until UI is finished: // Bug 1594840 - Add UI for Web Permissions in FxR for Desktop this.defaultDeny(); } defaultDeny() { this.handleResponse(false); } handleResponse(allowed) { if (allowed) { this.allow(); } else { this.deny(); } this.responseCallback(); } } // WebRTC-specific class implementation class FxrWebRTCPrompt extends FxrPermissionPromptPrototype { showPrompt() { for (let typeName of this.request.requestTypes) { if (typeName !== "Microphone" && typeName !== "Camera") { // Only Microphone and Camera requests are allowed. Automatically deny // any other request. this.defaultDeny(); return; } } super.showPrompt(); } allow() { let { audioDevices, videoDevices } = this.request; let principal = Services.scriptSecurityManager.createContentPrincipalFromOrigin( this.request.origin ); // For now, collect the first audio and video device by default. User // selection will be enabled later: // Bug 1594841 - Add UI to select device for WebRTC in FxR for Desktop let allowedDevices = []; if (audioDevices.length) { allowedDevices.push(audioDevices[0].deviceIndex); } if (videoDevices.length) { Services.perms.addFromPrincipal( principal, "MediaManagerVideo", Services.perms.ALLOW_ACTION, Services.perms.EXPIRE_SESSION ); allowedDevices.push(videoDevices[0].deviceIndex); } // WebRTCChild doesn't currently care which actor // this is sent to and just uses the windowID. this.targetBrowser.sendMessageToActor( "webrtc:Allow", { callID: this.request.callID, windowID: this.request.windowID, devices: allowedDevices, }, "WebRTC" ); } deny() { this.targetBrowser.sendMessageToActor( "webrtc:Deny", { callID: this.request.callID, windowID: this.request.windowID, }, "WebRTC" ); } } // Implementation for other, non-WebRTC web permission prompts class FxrContentPrompt extends FxrPermissionPromptPrototype { showPrompt() { // Only allow exactly one permission request here. let types = this.request.types.QueryInterface(Ci.nsIArray); if (types.length != 1) { this.defaultDeny(); return; } // Only Location is supported from this type of request let type = types.queryElementAt(0, Ci.nsIContentPermissionType).type; if (type !== "geolocation") { this.defaultDeny(); return; } // Override type so that it can be more easily interpreted by the code // for the prompt. type = "Location"; super.showPrompt(); } allow() { this.request.allow(); } deny() { this.request.cancel(); } }

                                                                                                                                                                                                                                                                                                                                                                                                     

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