зеркало из https://github.com/mozilla/gecko-dev.git
617 строки
19 KiB
C++
617 строки
19 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ft=cpp tw=78 sw=2 et ts=8 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsILoadInfo;
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/**
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* Interface for content policy mechanism. Implementations of this
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* interface can be used to control loading of various types of out-of-line
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* content, or processing of certain types of in-line content.
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*
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* WARNING: do not block the caller from shouldLoad or shouldProcess (e.g.,
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* by launching a dialog to prompt the user for something).
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*/
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[scriptable, uuid(caad4f1f-d047-46ac-ae9d-dc598e4fb91b)]
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interface nsIContentPolicy : nsISupports
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{
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/**
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* The type of nsIContentPolicy::TYPE_*
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*/
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cenum nsContentPolicyType : 8 {
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/**
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* Indicates a unset or bogus policy type.
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*/
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TYPE_INVALID = 0,
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/**
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* Gecko/Firefox developers: Avoid using TYPE_OTHER. Especially for
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* requests that are coming from webpages. Or requests in general which
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* you expect that security checks will be done on.
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* Always use a more specific type if one is available. And do not hesitate
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* to add more types as appropriate.
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* But if you are fairly sure that no one would care about your more specific
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* type, then it's ok to use TYPE_OTHER.
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*
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* Extension developers: Whenever it is reasonable, use one of the existing
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* content types. If none of the existing content types are right for
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* something you are doing, file a bug in the Core/DOM component that
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* includes a patch that adds your new content type to the end of the list of
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* TYPE_* constants here. But, don't start using your new content type until
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* your patch has been accepted, because it will be uncertain what exact
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* value and name your new content type will have; in that interim period,
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* use TYPE_OTHER. In your patch, document your new content type in the style
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* of the existing ones. In the bug you file, provide a more detailed
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* description of the new type of content you want Gecko to support, so that
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* the existing implementations of nsIContentPolicy can be properly modified
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* to deal with that new type of content.
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*
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* Implementations of nsIContentPolicy should treat this the same way they
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* treat unknown types, because existing users of TYPE_OTHER may be converted
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* to use new content types.
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*
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* Note that the TYPE_INTERNAL_* constants are never passed to content
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* policy implementations. They are mapped to other TYPE_* constants, and
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* are only intended for internal usage inside Gecko.
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*/
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TYPE_OTHER = 1,
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/**
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* Indicates an executable script (such as JavaScript).
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*/
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TYPE_SCRIPT = 2,
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/**
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* Indicates an image (e.g., IMG elements).
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*/
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TYPE_IMAGE = 3,
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/**
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* Indicates a stylesheet (e.g., STYLE elements).
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*/
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TYPE_STYLESHEET = 4,
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/**
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* Indicates a generic object (plugin-handled content typically falls under
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* this category).
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*/
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TYPE_OBJECT = 5,
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/**
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* Indicates a document at the top-level (i.e., in a browser).
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*/
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TYPE_DOCUMENT = 6,
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/**
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* Indicates a document contained within another document (e.g., IFRAMEs,
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* FRAMES, and OBJECTs).
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*/
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TYPE_SUBDOCUMENT = 7,
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/*
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* XXX: nsContentPolicyType = 8 used to inicate a timed refresh request.
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*/
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/*
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* XXX: nsContentPolicyType = 9 used to inicate an XBL binding request.
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*/
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/**
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* Indicates a ping triggered by a click on <A PING="..."> element.
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*/
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TYPE_PING = 10,
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/**
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* Indicates an XMLHttpRequest. Also used for document.load and for EventSource.
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*/
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TYPE_XMLHTTPREQUEST = 11,
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/**
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* Indicates a request by a plugin.
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*/
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TYPE_OBJECT_SUBREQUEST = 12,
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/**
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* Indicates a DTD loaded by an XML document.
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*/
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TYPE_DTD = 13,
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/**
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* Indicates a font loaded via @font-face rule.
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*/
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TYPE_FONT = 14,
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/**
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* Indicates a video or audio load.
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*/
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TYPE_MEDIA = 15,
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/**
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* Indicates a WebSocket load.
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*/
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TYPE_WEBSOCKET = 16,
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/**
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* Indicates a Content Security Policy report.
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*/
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TYPE_CSP_REPORT = 17,
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/**
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* Indicates a style sheet transformation.
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*/
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TYPE_XSLT = 18,
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/**
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* Indicates a beacon post.
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*/
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TYPE_BEACON = 19,
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/**
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* Indicates a load initiated by the fetch() function from the Fetch
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* specification.
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*/
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TYPE_FETCH = 20,
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/**
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* Indicates a <img srcset> or <picture> request.
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*/
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TYPE_IMAGESET = 21,
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/**
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* Indicates a web manifest.
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*/
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TYPE_WEB_MANIFEST = 22,
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/**
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* Indicates an internal constant for scripts loaded through script
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* elements.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_SCRIPT = 23,
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/**
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* Indicates an internal constant for scripts loaded through a dedicated
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* worker.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_WORKER = 24,
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/**
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* Indicates an internal constant for scripts loaded through a shared
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* worker.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_SHARED_WORKER = 25,
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/**
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* Indicates an internal constant for content loaded from embed elements.
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*
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* This will be mapped to TYPE_OBJECT.
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*/
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TYPE_INTERNAL_EMBED = 26,
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/**
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* Indicates an internal constant for content loaded from object elements.
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*
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* This will be mapped to TYPE_OBJECT.
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*/
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TYPE_INTERNAL_OBJECT = 27,
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/**
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* Indicates an internal constant for content loaded from frame elements.
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*
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* This will be mapped to TYPE_SUBDOCUMENT.
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*/
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TYPE_INTERNAL_FRAME = 28,
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/**
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* Indicates an internal constant for content loaded from iframe elements.
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*
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* This will be mapped to TYPE_SUBDOCUMENT.
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*/
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TYPE_INTERNAL_IFRAME = 29,
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/**
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* Indicates an internal constant for content loaded from audio elements.
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*
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* This will be mapped to TYPE_MEDIA.
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*/
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TYPE_INTERNAL_AUDIO = 30,
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/**
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* Indicates an internal constant for content loaded from video elements.
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*
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* This will be mapped to TYPE_MEDIA.
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*/
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TYPE_INTERNAL_VIDEO = 31,
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/**
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* Indicates an internal constant for content loaded from track elements.
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*
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* This will be mapped to TYPE_MEDIA.
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*/
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TYPE_INTERNAL_TRACK = 32,
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/**
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* Indicates an internal constant for an XMLHttpRequest.
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*
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* This will be mapped to TYPE_XMLHTTPREQUEST.
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*/
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TYPE_INTERNAL_XMLHTTPREQUEST = 33,
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/**
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* Indicates an internal constant for EventSource.
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*
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* This will be mapped to TYPE_XMLHTTPREQUEST.
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*/
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TYPE_INTERNAL_EVENTSOURCE = 34,
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/**
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* Indicates an internal constant for scripts loaded through a service
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* worker.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_SERVICE_WORKER = 35,
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/**
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* Indicates an internal constant for *preloaded* scripts
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* loaded through script elements.
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*
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* This will be mapped to TYPE_SCRIPT before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_SCRIPT_PRELOAD = 36,
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/**
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* Indicates an internal constant for normal images.
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*
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* This will be mapped to TYPE_IMAGE before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_IMAGE = 37,
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/**
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* Indicates an internal constant for *preloaded* images.
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*
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* This will be mapped to TYPE_IMAGE before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_IMAGE_PRELOAD = 38,
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/**
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* Indicates an internal constant for normal stylesheets.
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*
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* This will be mapped to TYPE_STYLESHEET before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_STYLESHEET = 39,
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/**
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* Indicates an internal constant for *preloaded* stylesheets.
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*
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* This will be mapped to TYPE_STYLESHEET before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_STYLESHEET_PRELOAD = 40,
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/**
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* Indicates an internal constant for favicon.
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*
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* This will be mapped to TYPE_IMAGE before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_IMAGE_FAVICON = 41,
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/**
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* Indicates an importScripts() inside a worker script.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_WORKER_IMPORT_SCRIPTS = 42,
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/**
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* Indicates an save-as link download from the front-end code.
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*/
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TYPE_SAVEAS_DOWNLOAD = 43,
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/**
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* Indicates a speculative connection.
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*/
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TYPE_SPECULATIVE = 44,
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/**
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* Indicates an internal constant for ES6 module scripts
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* loaded through script elements or an import statement.
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*
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* This will be mapped to TYPE_SCRIPT before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_MODULE = 45,
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/**
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* Indicates an internal constant for *preloaded* ES6 module scripts
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* loaded through script elements or an import statement.
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*
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* This will be mapped to TYPE_SCRIPT before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_MODULE_PRELOAD = 46,
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/**
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* Indicates a DTD loaded by an XML document the URI of which could
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* not be mapped to a known local DTD.
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*/
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TYPE_INTERNAL_DTD = 47,
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/**
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* Indicates a TYPE_INTERNAL_DTD which will not be blocked no matter
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* what principal is being loaded from.
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*/
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TYPE_INTERNAL_FORCE_ALLOWED_DTD = 48,
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/**
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* Indicates an internal constant for scripts loaded through an
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* audioWorklet.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_AUDIOWORKLET = 49,
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/**
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* Indicates an internal constant for scripts loaded through an
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* paintWorklet.
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_PAINTWORKLET = 50,
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/**
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* Same as TYPE_FONT but indicates this is a <link rel=preload as=font>
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* preload initiated load.
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*/
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TYPE_INTERNAL_FONT_PRELOAD = 51,
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/**
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* Indicates the load of a (Firefox-internal) script through ChromeUtils
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_CHROMEUTILS_COMPILED_SCRIPT = 52,
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/**
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* Indicates the load of a script through FrameMessageManager
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*
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* This will be mapped to TYPE_SCRIPT before being passed to content policy
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* implementations.
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*/
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TYPE_INTERNAL_FRAME_MESSAGEMANAGER_SCRIPT = 53,
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/**
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* Indicates an internal constant for *preloaded* fetch
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* loaded through link elements.
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*
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* This will be mapped to TYPE_FETCH before being passed
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* to content policy implementations.
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*/
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TYPE_INTERNAL_FETCH_PRELOAD = 54,
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/**
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* Indicates a font loaded via @font-face rule in an UA style sheet.
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* (CSP does not apply.)
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*/
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TYPE_UA_FONT = 55,
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/**
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* Indicates the establishment of a TCP or TLS connection via an
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* http/https proxy that will be used for webrtc media. When no web proxy
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* is involved, webrtc uses lower level sockets that are not subject to
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* any sort of content policy.
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*/
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TYPE_PROXIED_WEBRTC_MEDIA = 56,
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/**
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* Indicates the load of data via the Federated Credential Management API
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* with data destined for a browser context.
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*/
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TYPE_WEB_IDENTITY = 57,
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/**
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* Indicates the load of a static module on workers.
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*/
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TYPE_INTERNAL_WORKER_STATIC_MODULE = 58,
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/**
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* Indicates Webtransport request
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*/
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TYPE_WEB_TRANSPORT = 59,
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/**
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* Used to indicate the end of this list, not a content policy. If you want
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* to add a new content policy type, place it before this sentinel value
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* TYPE_END, have it use TYPE_END's current value, and increment TYPE_END by
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* one. (TYPE_END should always have the highest numerical value.)
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*/
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TYPE_END = 60,
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/* When adding new content types, please update
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* NS_CP_ContentTypeName, nsCSPContext, CSP_ContentTypeToDirective,
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* DoContentSecurityChecks, all nsIContentPolicy implementations, the
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* static_assert in dom/cache/DBSchema.cpp, ChannelWrapper.webidl,
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* ChannelWrapper.cpp, PermissionManager.cpp,
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* IPCMessageUtilsSpecializations.h, and other things that are not
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* listed here that are related to nsIContentPolicy. */
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};
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//////////////////////////////////////////////////////////////////////
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/**
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* Returned from shouldLoad or shouldProcess if the load or process request
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* is rejected based on details of the request.
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*/
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const short REJECT_REQUEST = -1;
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/**
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* Returned from shouldLoad or shouldProcess if the load/process is rejected
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* based solely on its type (of the above flags).
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*
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* NOTE that it is not meant to stop future requests for this type--only the
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* current request.
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*/
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const short REJECT_TYPE = -2;
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/**
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* Returned from shouldLoad or shouldProcess if the load/process is rejected
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* based on the server it is hosted on or requested from (aContentLocation or
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* aRequestOrigin), e.g., if you block an IMAGE because it is served from
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* goatse.cx (even if you don't necessarily block other types from that
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* server/domain).
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*
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* NOTE that it is not meant to stop future requests for this server--only the
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* current request.
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*/
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const short REJECT_SERVER = -3;
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/**
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* Returned from shouldLoad or shouldProcess if the load/process is rejected
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* based on some other criteria. Mozilla callers will handle this like
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* REJECT_REQUEST; third-party implementors may, for example, use this to
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* direct their own callers to consult the extra parameter for additional
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* details.
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*/
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const short REJECT_OTHER = -4;
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/**
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* Returned from shouldLoad or shouldProcess if the load/process is forbiddden
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* based on enterprise policy.
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*/
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const short REJECT_POLICY = -5;
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/**
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* Returned from shouldLoad or shouldProcess if the load or process request
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* is not rejected.
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*/
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const short ACCEPT = 1;
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/**
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* Should the resource at this location be loaded?
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* ShouldLoad will be called before loading the resource at aContentLocation
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* to determine whether to start the load at all.
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*
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* @param aContentLocation the location of the content being checked; must
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* not be null
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*
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* @param aLoadInfo the loadinfo of the channel being evaluated.
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*
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* @param aMimeTypeGuess OPTIONAL. a guess for the requested content's
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* MIME type, based on information available to
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* the request initiator (e.g., an OBJECT's type
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* attribute); does not reliably reflect the
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* actual MIME type of the requested content
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*
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* @return ACCEPT or REJECT_*
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*
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* @note shouldLoad can be called while the DOM and layout of the document
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* involved is in an inconsistent state. This means that implementors of
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* this method MUST NOT do any of the following:
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* 1) Modify the DOM in any way (e.g. setting attributes is a no-no).
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* 2) Query any DOM properties that depend on layout (e.g. offset*
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* properties).
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* 3) Query any DOM properties that depend on style (e.g. computed style).
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* 4) Query any DOM properties that depend on the current state of the DOM
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* outside the "context" node (e.g. lengths of node lists).
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* 5) [JavaScript implementations only] Access properties of any sort on any
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* object without using XPCNativeWrapper (either explicitly or
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* implicitly). Due to various DOM0 things, this leads to item 4.
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* If you do any of these things in your shouldLoad implementation, expect
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* unpredictable behavior, possibly including crashes, content not showing
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* up, content showing up doubled, etc. If you need to do any of the things
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* above, do them off timeout or event.
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*/
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short shouldLoad(in nsIURI aContentLocation,
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in nsILoadInfo aLoadInfo,
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in ACString aMimeTypeGuess);
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/**
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* Should the resource be processed?
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* ShouldProcess will be called once all the information passed to it has
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* been determined about the resource, typically after part of the resource
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* has been loaded.
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*
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* @param aContentLocation OPTIONAL; the location of the resource being
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* requested: MAY be, e.g., a post-redirection URI
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* for the resource.
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*
|
|
* @param aLoadInfo the loadinfo of the channel being evaluated.
|
|
*
|
|
* @param aMimeType the MIME type of the requested resource (e.g.,
|
|
* image/png), as reported by the networking library,
|
|
* if available (may be empty if inappropriate for
|
|
* the type).
|
|
*
|
|
* @return ACCEPT or REJECT_*
|
|
*
|
|
* @note shouldProcess can be called while the DOM and layout of the document
|
|
* involved is in an inconsistent state. See the note on shouldLoad to see
|
|
* what this means for implementors of this method.
|
|
*/
|
|
short shouldProcess(in nsIURI aContentLocation,
|
|
in nsILoadInfo aLoadInfo,
|
|
in ACString aMimeType);
|
|
};
|
|
|
|
typedef nsIContentPolicy_nsContentPolicyType nsContentPolicyType;
|
|
|
|
%{C++
|
|
enum class ExtContentPolicyType : uint8_t {
|
|
/**
|
|
* The type of ExtContentPolicy::TYPE_*
|
|
*/
|
|
TYPE_INVALID = nsIContentPolicy::TYPE_INVALID,
|
|
TYPE_OTHER = nsIContentPolicy::TYPE_OTHER,
|
|
TYPE_SCRIPT = nsIContentPolicy::TYPE_SCRIPT,
|
|
TYPE_IMAGE = nsIContentPolicy::TYPE_IMAGE,
|
|
TYPE_STYLESHEET = nsIContentPolicy::TYPE_STYLESHEET,
|
|
TYPE_OBJECT = nsIContentPolicy::TYPE_OBJECT,
|
|
TYPE_DOCUMENT = nsIContentPolicy::TYPE_DOCUMENT,
|
|
TYPE_SUBDOCUMENT = nsIContentPolicy::TYPE_SUBDOCUMENT,
|
|
TYPE_PING = nsIContentPolicy::TYPE_PING,
|
|
TYPE_XMLHTTPREQUEST = nsIContentPolicy::TYPE_XMLHTTPREQUEST,
|
|
TYPE_OBJECT_SUBREQUEST = nsIContentPolicy::TYPE_OBJECT_SUBREQUEST,
|
|
TYPE_DTD = nsIContentPolicy::TYPE_DTD,
|
|
TYPE_FONT = nsIContentPolicy::TYPE_FONT,
|
|
TYPE_MEDIA = nsIContentPolicy::TYPE_MEDIA,
|
|
TYPE_WEBSOCKET = nsIContentPolicy::TYPE_WEBSOCKET,
|
|
TYPE_CSP_REPORT = nsIContentPolicy::TYPE_CSP_REPORT,
|
|
TYPE_XSLT = nsIContentPolicy::TYPE_XSLT,
|
|
TYPE_BEACON = nsIContentPolicy::TYPE_BEACON,
|
|
TYPE_FETCH = nsIContentPolicy::TYPE_FETCH,
|
|
TYPE_IMAGESET = nsIContentPolicy::TYPE_IMAGESET,
|
|
TYPE_WEB_MANIFEST = nsIContentPolicy::TYPE_WEB_MANIFEST,
|
|
TYPE_SAVEAS_DOWNLOAD = nsIContentPolicy::TYPE_SAVEAS_DOWNLOAD,
|
|
TYPE_SPECULATIVE = nsIContentPolicy::TYPE_SPECULATIVE,
|
|
TYPE_UA_FONT = nsIContentPolicy::TYPE_UA_FONT,
|
|
TYPE_PROXIED_WEBRTC_MEDIA = nsIContentPolicy::TYPE_PROXIED_WEBRTC_MEDIA,
|
|
};
|
|
|
|
typedef ExtContentPolicyType ExtContentPolicy;
|
|
%}
|