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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /netwerk/base/nsILoadInfo.idl
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: ft=cpp tw=78 sw=2 et ts=2 sts=2 cin
+ * 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/. */
+
+#include "nsISupports.idl"
+#include "nsIContentPolicy.idl"
+#include "nsIScriptSecurityManager.idl"
+#include "nsIInterceptionInfo.idl"
+
+interface nsIChannel;
+interface nsIContentSecurityPolicy;
+interface nsICookieJarSettings;
+interface nsICSPEventListener;
+interface nsINode;
+interface nsIPrincipal;
+interface nsIRedirectHistoryEntry;
+interface nsIURI;
+webidl Document;
+webidl BrowsingContext;
+native LoadContextRef(already_AddRefed<nsISupports>);
+%{C++
+#include "nsTArray.h"
+#include "mozilla/LoadTainting.h"
+#include "mozilla/OriginAttributes.h"
+#include "mozilla/UniquePtr.h"
+#include "nsRFPService.h"
+#include "nsStringFwd.h"
+
+namespace mozilla {
+namespace dom {
+class ClientInfo;
+class ClientSource;
+class PerformanceStorage;
+class ServiceWorkerDescriptor;
+} // namespace dom
+} // namespace mozilla
+%}
+
+[ref] native nsIRedirectHistoryEntryArray(const nsTArray<nsCOMPtr<nsIRedirectHistoryEntry>>);
+native OriginAttributes(mozilla::OriginAttributes);
+[ref] native const_OriginAttributesRef(const mozilla::OriginAttributes);
+[ref] native CStringArrayRef(const nsTArray<nsCString>);
+[ref] native StringArrayRef(const nsTArray<nsString>);
+[ref] native Uint64ArrayRef(const nsTArray<uint64_t>);
+[ref] native PrincipalArrayRef(const nsTArray<nsCOMPtr<nsIPrincipal>>);
+[ref] native const_ClientInfoRef(const mozilla::dom::ClientInfo);
+ native UniqueClientSource(mozilla::UniquePtr<mozilla::dom::ClientSource>);
+ native UniqueClientSourceMove(mozilla::UniquePtr<mozilla::dom::ClientSource>&&);
+[ref] native const_MaybeClientInfoRef(const mozilla::Maybe<mozilla::dom::ClientInfo>);
+[ref] native const_ServiceWorkerDescriptorRef(const mozilla::dom::ServiceWorkerDescriptor);
+[ref] native const_MaybeServiceWorkerDescriptorRef(const mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor>);
+[ref] native const_MaybeRFPTarget(const mozilla::Maybe<mozilla::RFPTarget>);
+ native RFPTarget(mozilla::RFPTarget);
+[ptr] native PerformanceStoragePtr(mozilla::dom::PerformanceStorage);
+ native LoadTainting(mozilla::LoadTainting);
+ native CSPRef(already_AddRefed<nsIContentSecurityPolicy>);
+
+typedef unsigned long nsSecurityFlags;
+
+/**
+ * The LoadInfo object contains information about a network load, why it
+ * was started, and how we plan on using the resulting response.
+ * If a network request is redirected, the new channel will receive a new
+ * LoadInfo object. The new object will contain mostly the same
+ * information as the pre-redirect one, but updated as appropriate.
+ * For detailed information about what parts of LoadInfo are updated on
+ * redirect, see documentation on individual properties.
+ */
+[scriptable, builtinclass, uuid(ddc65bf9-2f60-41ab-b22a-4f1ae9efcd36)]
+interface nsILoadInfo : nsISupports
+{
+ /**
+ * The following five flags determine the security mode and hence what kind of
+ * security checks should be performed throughout the lifetime of the channel.
+ *
+ * * SEC_REQUIRE_SAME_ORIGIN_INHERITS_SEC_CONTEXT
+ * * SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED
+ * * SEC_ALLOW_CROSS_ORIGIN_INHERITS_SEC_CONTEXT
+ * * SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL
+ * * SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT
+ *
+ * Exactly one of these flags are required to be set in order to allow
+ * the channel to perform the correct security checks (SOP, CORS, ...) and
+ * return the correct result principal. If none or more than one of these
+ * flags are set AsyncOpen will fail.
+ */
+
+ /**
+ * Warning: Never use this flag when creating a new channel!
+ * Only use this flag if you have to create a temporary LoadInfo
+ * for performing an explicit nsIContentPolicy check, like e.g.
+ * when loading something from the cache that needs an explicit
+ * nsIContentPolicy check. In all other cases pick one of the
+ * security flags underneath.
+ */
+ const unsigned long SEC_ONLY_FOR_EXPLICIT_CONTENTSEC_CHECK = 0;
+
+ /*
+ * Enforce the same origin policy where loads inherit the principal.
+ * See the documentation for principalToInherit, which describes exactly what
+ * principal is inherited.
+ */
+ const unsigned long SEC_REQUIRE_SAME_ORIGIN_INHERITS_SEC_CONTEXT = (1<<0);
+
+ /*
+ * Enforce the same origin policy and data: loads are blocked.
+ */
+ const unsigned long SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED = (1<<1);
+
+ /**
+ * Allow loads from other origins. Loads which inherit the principal should
+ * see the documentation for principalToInherit, which describes exactly what
+ * principal is inherited.
+ *
+ * Commonly used by plain <img>, <video>, <link rel=stylesheet> etc.
+ */
+ const unsigned long SEC_ALLOW_CROSS_ORIGIN_INHERITS_SEC_CONTEXT = (1 << 2);
+
+ /**
+ * Allow loads from other origins. Loads from data: will be allowed,
+ * but the resulting resource will get a null principal.
+ * Used in blink/webkit for <iframe>s. Likely also the mode
+ * that should be used by most Chrome code.
+ */
+ const unsigned long SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL = (1<<3);
+
+ /**
+ * Allow loads from any origin, but require CORS for cross-origin loads.
+ * See the documentation for principalToInherit, which describes exactly what
+ * principal is inherited.
+ *
+ * Commonly used by <img crossorigin>, <video crossorigin>,
+ * XHR, fetch(), etc.
+ */
+ const unsigned long SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT = (1<<4);
+
+ /**
+ * Choose cookie policy. The default policy is equivalent to "INCLUDE" for
+ * SEC_REQUIRE_SAME_ORIGIN_* and SEC_ALLOW_CROSS_ORIGIN_* modes, and
+ * equivalent to "SAME_ORIGIN" for SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT mode.
+ *
+ * This means that if you want to perform a CORS load with credentials, pass
+ * SEC_COOKIES_INCLUDE.
+ *
+ * Note that these flags are still subject to the user's cookie policies.
+ * For example, if the user is blocking 3rd party cookies, those cookies
+ * will be blocked no matter which of these flags are set.
+ */
+ const unsigned long SEC_COOKIES_DEFAULT = (0 << 5);
+ const unsigned long SEC_COOKIES_INCLUDE = (1 << 5);
+ const unsigned long SEC_COOKIES_SAME_ORIGIN = (2 << 5);
+ const unsigned long SEC_COOKIES_OMIT = (3 << 5);
+
+ /**
+ * Force inheriting of the principal. See the documentation for
+ * principalToInherit, which describes exactly what principal is inherited.
+ *
+ * Setting this flag will cause GetChannelResultPrincipal to return the
+ * principal to be inherited as the channel principal.
+ *
+ * This will happen independently of the scheme of the URI that the
+ * channel is loading.
+ *
+ * So if the principal that gets inherited is "http://a.com/", and the channel
+ * is loading the URI "http://b.com/whatever", GetChannelResultPrincipal
+ * will return a principal from "http://a.com/".
+ *
+ * This flag can not be used together with SANDBOXED_ORIGIN sandbox flag. If
+ * both are passed to the LoadInfo constructor then this flag will be dropped.
+ * If you need to know whether this flag would have been present but was dropped
+ * due to sandboxing, check for the forceInheritPrincipalDropped flag.
+ */
+ const unsigned long SEC_FORCE_INHERIT_PRINCIPAL = (1<<7);
+
+ /**
+ * Inherit the Principal for about:blank.
+ */
+ const unsigned long SEC_ABOUT_BLANK_INHERITS = (1<<9);
+
+ /**
+ * Allow access to chrome: packages that are content accessible.
+ */
+ const unsigned long SEC_ALLOW_CHROME = (1<<10);
+
+ /**
+ * Disallow access to javascript: uris.
+ */
+ const unsigned long SEC_DISALLOW_SCRIPT = (1<<11);
+
+ /**
+ * Don't follow redirects. Instead the redirect response is returned
+ * as a successful response for the channel.
+ *
+ * Redirects not initiated by a server response, i.e. REDIRECT_INTERNAL and
+ * REDIRECT_STS_UPGRADE, are still followed.
+ *
+ * Note: If this flag is set and the channel response is a redirect, then
+ * the response body might not be available.
+ * This can happen if the redirect was cached.
+ */
+ const unsigned long SEC_DONT_FOLLOW_REDIRECTS = (1<<12);
+
+ /**
+ * Load an error page, it should be one of following : about:neterror,
+ * about:certerror, about:blocked, about:tabcrashed or about:restartrequired.
+ */
+ const unsigned long SEC_LOAD_ERROR_PAGE = (1<<13);
+
+ /**
+ * Force inheriting of the principal, overruling any owner that might be set
+ * on the channel. (Please note that channel.owner is deprecated and will be
+ * removed within Bug 1286838). See the documentation for principalToInherit,
+ * which describes exactly what principal is inherited.
+ *
+ * Setting this flag will cause GetChannelResultPrincipal to return the
+ * principal to be inherited as the channel principal.
+ *
+ * This will happen independently of the scheme of the URI that the
+ * channel is loading.
+ */
+ const unsigned long SEC_FORCE_INHERIT_PRINCIPAL_OVERRULE_OWNER = (1<<14);
+
+ /**
+ * This is the principal of the network request's caller/requester where
+ * the resulting resource will be used. I.e. it is the principal which
+ * will get access to the result of the request. (Where "get access to"
+ * might simply mean "embed" depending on the type of resource that is
+ * loaded).
+ *
+ * For example for an image, it is the principal of the document where
+ * the image is rendered. For a stylesheet it is the principal of the
+ * document where the stylesheet will be applied.
+ *
+ * So if document at http://a.com/page.html loads an image from
+ * http://b.com/pic.jpg, then loadingPrincipal will be
+ * http://a.com/page.html.
+ *
+ * For <iframe> and <frame> loads, the LoadingPrincipal is the
+ * principal of the parent document. For top-level loads, the
+ * LoadingPrincipal is null. For all loads except top-level loads
+ * the LoadingPrincipal is never null.
+ *
+ * If the loadingPrincipal is the system principal, no security checks
+ * will be done at all. There will be no security checks on the initial
+ * load or any subsequent redirects. This means there will be no
+ * nsIContentPolicy checks or any CheckLoadURI checks. Because of
+ * this, never set the loadingPrincipal to the system principal when
+ * the URI to be loaded is controlled by a webpage.
+ * If the loadingPrincipal and triggeringPrincipal are both
+ * content principals, then we will always call into
+ * nsIContentPolicies and CheckLoadURI. The call to nsIContentPolicies
+ * and CheckLoadURI happen even if the URI to be loaded is same-origin
+ * with the loadingPrincipal or triggeringPrincipal.
+ */
+ readonly attribute nsIPrincipal loadingPrincipal;
+
+ /**
+ * A C++-friendly version of triggeringPrincipal.
+ *
+ * This is a bit awkward because we can't use
+ * binaryname(GetLoadingPrincipal).
+ */
+ [noscript, notxpcom, nostdcall]
+ nsIPrincipal virtualGetLoadingPrincipal();
+
+%{C++
+ nsIPrincipal* GetLoadingPrincipal() {
+ return VirtualGetLoadingPrincipal();
+ }
+%}
+
+ /**
+ * This is the principal which caused the network load to start. I.e.
+ * this is the principal which provided the URL to be loaded. This is
+ * often the same as the LoadingPrincipal, but there are a few cases
+ * where that's not true.
+ *
+ * For example for loads into an <iframe>, the LoadingPrincipal is always
+ * the principal of the parent document. However the triggeringPrincipal
+ * is the principal of the document which provided the URL that the
+ * <iframe> is navigating to. This could be the previous document inside
+ * the <iframe> which set document.location. Or a document elsewhere in
+ * the frame tree which contained a <a target="..."> which targetted the
+ * <iframe>.
+ *
+ * If a stylesheet links to a sub-resource, like an @imported stylesheet,
+ * or a background image, then the triggeringPrincipal is the principal
+ * of the stylesheet, while the LoadingPrincipal is the principal of the
+ * document being styled.
+ *
+ * The triggeringPrincipal is never null.
+ *
+ * If the triggeringPrincipal is the system principal, no security checks
+ * will be done at all. There will be no security checks on the initial
+ * load or any subsequent redirects. This means there will be no
+ * nsIContentPolicy checks or any CheckLoadURI checks. Because of
+ * this, never set the triggeringPrincipal to the system principal when
+ * the URI to be loaded is controlled by a webpage.
+ * If the loadingPrincipal and triggeringPrincipal are both
+ * content principals, then we will always call into
+ * nsIContentPolicies and CheckLoadURI. The call to nsIContentPolicies
+ * and CheckLoadURI happen even if the URI to be loaded is same-origin
+ * with the loadingPrincipal or triggeringPrincipal.
+ */
+ readonly attribute nsIPrincipal triggeringPrincipal;
+
+ /**
+ * A C++-friendly version of triggeringPrincipal.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(TriggeringPrincipal)]
+ nsIPrincipal binaryTriggeringPrincipal();
+
+ /**
+ * The remote type of the process which caused the network load to start. I.e.
+ * this is the remote type of the process which provided the URL to be loaded.
+ *
+ * For subresource loads, this should be the same as the process which will
+ * handle the response, however for document loads this may both be different
+ * than the final process, as well as different from the process which starts
+ * the navigation.
+ *
+ * This field is intentionally not perfectly preserved over IPC, and will be
+ * reset to the remote type of the sending process when sent from a content
+ * process to the parent process.
+ */
+ attribute AUTF8String triggeringRemoteType;
+
+ /**
+ * For non-document loads the principalToInherit is always null. For
+ * loads of type TYPE_DOCUMENT or TYPE_SUBDOCUMENT the principalToInherit
+ * might be null. If it's non null, then this is the principal that is
+ * inherited if a principal needs to be inherited. If the principalToInherit
+ * is null but the inherit flag is set, then the triggeringPrincipal is
+ * the principal that is inherited.
+ */
+ attribute nsIPrincipal principalToInherit;
+
+ /**
+ * A C++-friendly version of principalToInherit.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(PrincipalToInherit)]
+ nsIPrincipal binaryPrincipalToInherit();
+
+ /**
+ * Finds the correct principal to inherit for the given channel, based on
+ * the values of PrincipalToInherit and TriggeringPrincipal.
+ */
+ [noscript, notxpcom, nostdcall]
+ nsIPrincipal FindPrincipalToInherit(in nsIChannel aChannel);
+
+ /**
+ * This is the ownerDocument of the LoadingNode. Unless the LoadingNode
+ * is a Document, in which case the LoadingDocument is the same as the
+ * LoadingNode.
+ *
+ * For top-level loads, and for loads originating from workers, the
+ * LoadingDocument is null. When the LoadingDocument is not null, the
+ * LoadingPrincipal is set to the principal of the LoadingDocument.
+ */
+ readonly attribute Document loadingDocument;
+
+ /**
+ * A C++-friendly version of loadingDocument (loadingNode).
+ * This is the Node where the resulting resource will be used. I.e. it is
+ * the Node which will get access to the result of the request. (Where
+ * "get access to" might simply mean "embed" depending on the type of
+ * resource that is loaded).
+ *
+ * For example for an <img>/<video> it is the image/video element. For
+ * document loads inside <iframe> and <frame>s, the LoadingNode is the
+ * <iframe>/<frame> element. For an XMLHttpRequest, it is the Document
+ * which contained the JS which initiated the XHR. For a stylesheet, it
+ * is the Document that contains <link rel=stylesheet>.
+ *
+ * For loads triggered by the HTML pre-parser, the LoadingNode is the
+ * Document which is currently being parsed.
+ *
+ * For top-level loads, and for loads originating from workers, the
+ * LoadingNode is null. If the LoadingNode is non-null, then the
+ * LoadingPrincipal is the principal of the LoadingNode.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(LoadingNode)]
+ nsINode binaryLoadingNode();
+
+ /**
+ * A C++ friendly version of the loadingContext for toplevel loads.
+ * Most likely you want to query the ownerDocument or LoadingNode
+ * and not this context only available for TYPE_DOCUMENT loads.
+ * Please note that except for loads of TYPE_DOCUMENT, this
+ * ContextForTopLevelLoad will always return null.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(ContextForTopLevelLoad)]
+ LoadContextRef binaryContextForTopLevelLoad();
+
+ /**
+ * For all loads except loads of TYPE_DOCUMENT, the loadingContext
+ * simply returns the loadingNode. For loads of TYPE_DOCUMENT this
+ * will return the context available for top-level loads which
+ * do not have a loadingNode.
+ */
+ [binaryname(LoadingContextXPCOM)]
+ readonly attribute nsISupports loadingContext;
+
+ /**
+ * A C++ friendly version of the loadingContext.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(GetLoadingContext)]
+ LoadContextRef binaryGetLoadingContext();
+
+ /**
+ * The securityFlags of that channel.
+ */
+ readonly attribute nsSecurityFlags securityFlags;
+
+%{C++
+ inline nsSecurityFlags GetSecurityFlags()
+ {
+ nsSecurityFlags result;
+ mozilla::DebugOnly<nsresult> rv = GetSecurityFlags(&result);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ return result;
+ }
+%}
+
+ /**
+ * The sandboxFlags of that channel.
+ */
+ [infallible] readonly attribute unsigned long sandboxFlags;
+
+ /**
+ * The TriggingSandboxFlags are the SandboxFlags of the entity
+ * responsible for causing the load to occur.
+ */
+ [infallible] attribute unsigned long triggeringSandboxFlags;
+
+
+ /**
+ * The window id and storage access status of the window of the
+ * context that triggered the load. This is used to allow self-initiated
+ * same-origin navigations to propogate their "has storage access" bit
+ * to the next Document.
+ */
+ [infallible] attribute unsigned long long triggeringWindowId;
+ [infallible] attribute boolean triggeringStorageAccess;
+
+ /**
+ * Allows to query only the security mode bits from above.
+ */
+ [infallible] readonly attribute unsigned long securityMode;
+
+ /**
+ * This flag is used for any browsing context where we should not sniff
+ * the content type. E.g if an iframe has the XCTO nosniff header, then
+ * that flag is set to true so we skip content sniffing for that browsing
+ * context.
+ */
+ [infallible] attribute boolean skipContentSniffing;
+
+ /**
+ * (default) If this flag is set, it has not yet been determined if the
+ * HTTPS-Only mode will upgrade the request.
+ */
+ const unsigned long HTTPS_ONLY_UNINITIALIZED = (1 << 0);
+
+ /**
+ * Indicates that this is the first time the request gets upgraded, and thus
+ * the HTTPS-Only StreamListener hasn't been registered yet. Even though there
+ * might be multiple channels per request that have to be upgraded (e.g.,
+ * because of redirects), the StreamListener only has to be attached to one
+ * channel.
+ */
+ const unsigned long HTTPS_ONLY_UPGRADED_LISTENER_NOT_REGISTERED = (1 << 1);
+
+ /**
+ * Indicates that the request will get upgraded, and the HTTPS-Only
+ * StreamListener got registered.
+ */
+ const unsigned long HTTPS_ONLY_UPGRADED_LISTENER_REGISTERED = (1 << 2);
+
+ /**
+ * This flag can be manually set if the HTTPS-Only mode should exempt the
+ * request and not upgrade it. (e.g in the case of OCSP.
+ */
+ const unsigned long HTTPS_ONLY_EXEMPT = (1 << 3);
+
+ /**
+ * This flag can only ever be set on top-level loads. It indicates
+ * that the top-level https connection succeeded. This flag is mostly
+ * used to counter time-outs which allows to cancel the channel
+ * if the https load has not started.
+ */
+ const unsigned long HTTPS_ONLY_TOP_LEVEL_LOAD_IN_PROGRESS = (1 << 4);
+
+ /**
+ * This flag can only ever be set on downloads. It indicates
+ * that the download https connection succeeded. This flag is mostly
+ * used to counter time-outs which allows to cancel the channel
+ * if the https load has not started.
+ */
+ const unsigned long HTTPS_ONLY_DOWNLOAD_IN_PROGRESS = (1 << 5);
+
+ /**
+ * This flag indicates that the request should not be logged to the
+ * console.
+ */
+ const unsigned long HTTPS_ONLY_DO_NOT_LOG_TO_CONSOLE = (1 << 6);
+
+ /**
+ * This flag indicates that the request was upgraded by https-first mode.
+ */
+ const unsigned long HTTPS_ONLY_UPGRADED_HTTPS_FIRST = (1 << 7);
+
+ /**
+ * This flag indicates that the request should not be blocked by ORB.
+ */
+ const unsigned long HTTPS_ONLY_BYPASS_ORB = (1 << 8);
+
+ /**
+ * This flag indicates that HTTPS_ONLY_EXEMPT should be
+ * set the next time HTTPS-Only exemptions are checked
+ * and HTTPS-First is enabled.
+ */
+ const unsigned long HTTPS_FIRST_EXEMPT_NEXT_LOAD = (1 << 9);
+
+ /**
+ * Upgrade state of HTTPS-Only Mode. The flag HTTPS_ONLY_EXEMPT can get
+ * set on requests that should be excempt from an upgrade.
+ */
+ [infallible] attribute unsigned long httpsOnlyStatus;
+
+ /**
+ * Reflects whetehr this is an HTTP Strict Transport Security host
+ */
+[infallible] attribute boolean hstsStatus;
+
+ /**
+ * Returns true if at the time of the loadinfo construction the document
+ * that triggered this load has the bit hasValidTransientUserGestureActivation
+ * set or the load was triggered from External. (Mostly this bool is used
+ * in the context of Sec-Fetch-User.)
+ */
+ [infallible] attribute boolean hasValidUserGestureActivation;
+
+ /**
+ * We disallow the SystemPrincipal to initiate requests to
+ * the public web. This flag is to allow exceptions.
+ */
+ [infallible] attribute boolean allowDeprecatedSystemRequests;
+
+ /**
+ * Only ever returns true if the loadinfo is of TYPE_SCRIPT and
+ * the script was created by the HTML parser.
+ */
+ [infallible] attribute boolean parserCreatedScript;
+
+ /**
+ * True if this request is known to have been triggered by a user
+ * manually requesting the URI to be saved.
+ */
+ [infallible] attribute boolean isUserTriggeredSave;
+
+ /**
+ * True if this request is from DevTools.
+ */
+ [infallible] attribute boolean isInDevToolsContext;
+
+ /**
+ * True if this request is embedded in a context that can't be third-party
+ * (i.e. an iframe embedded in a cross-origin parent window). If this is
+ * false, then this request may be third-party if it's a third-party to
+ * loadingPrincipal.
+ */
+ [infallible] attribute boolean isInThirdPartyContext;
+
+ /**
+ * True if this request is a third party in respect to the top-level window.
+ *
+ * Note that this doesn't consider the parent window. I.e. It will still
+ * return false even in the case that the parent is cross-origin but the
+ * top-level is same-origin.
+ *
+ * This value would be set during opening the channel in parent and propagate
+ * to the channel in the content.
+ */
+ [infallible] attribute boolean isThirdPartyContextToTopWindow;
+
+ /**
+ * See the SEC_COOKIES_* flags above. This attribute will never return
+ * SEC_COOKIES_DEFAULT, but will instead return what the policy resolves to.
+ * I.e. SEC_COOKIES_SAME_ORIGIN for CORS mode, and SEC_COOKIES_INCLUDE
+ * otherwise.
+ */
+ [infallible] readonly attribute unsigned long cookiePolicy;
+
+ /**
+ * The cookie jar settings inherited from the top-level document's loadInfo.
+ * It cannot be null.
+ */
+ attribute nsICookieJarSettings cookieJarSettings;
+
+ cenum StoragePermissionState : 8 {
+ NoStoragePermission = 0,
+ HasStoragePermission = 1,
+ StoragePermissionAllowListed = 2,
+ };
+
+ /**
+ * The result of the storage permission check of the loading document. This
+ * value would be set during opening the channel.
+ */
+ [infallible] attribute nsILoadInfo_StoragePermissionState
+ storagePermission;
+
+ /**
+ * Get the granular overrides of fingerprinting protections associated to the
+ * channel, the value will override the default fingerprinting protection
+ * settings. This field will only get populated if these is one that comes
+ * from the local granular overrides pref or WebCompat. Otherwise, a value of
+ * Nothing() indicates no granular overrides are present for this channel.
+ *
+ * The RFPTarget defined in the RFPTargets.inc.
+ */
+ [noscript, nostdcall, notxpcom]
+ const_MaybeRFPTarget GetOverriddenFingerprintingSettings();
+
+ /**
+ * Set the granular overrides of fingerprinting protections for the channel.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SetOverriddenFingerprintingSettings(in RFPTarget aTargets);
+
+ /**
+ * True if the load was triggered by a meta refresh.
+ */
+ [infallible] attribute boolean isMetaRefresh;
+
+ /**
+ * If forceInheritPrincipal is true, the data coming from the channel should
+ * inherit its principal, even when the data is loaded over http:// or another
+ * protocol that would normally use a URI-based principal.
+ *
+ * See the documentation for principalToInherit, which describes exactly what
+ * principal is inherited.
+ *
+ * This attribute will never be true when loadingSandboxed is true.
+ */
+ [infallible] readonly attribute boolean forceInheritPrincipal;
+
+ /**
+ * If forceInheritPrincipalOverruleOwner is true, the data coming from the
+ * channel should inherit the principal, even when the data is loaded over
+ * http:// or another protocol that would normally use a URI-based principal
+ * and even if the channel's .owner is not null. This last is the difference
+ * between forceInheritPrincipalOverruleOwner and forceInheritPrincipal: the
+ * latter does _not_ overrule the .owner setting.
+ *
+ * See the documentation for principalToInherit, which describes exactly what
+ * principal is inherited.
+ */
+ [infallible] readonly attribute boolean forceInheritPrincipalOverruleOwner;
+
+ /**
+ * If loadingSandboxed is true, the data coming from the channel is
+ * being loaded sandboxed, so it should have a nonce origin and
+ * hence should use a NullPrincipal.
+ */
+ [infallible] readonly attribute boolean loadingSandboxed;
+
+ /**
+ * If aboutBlankInherits is true, then about:blank should inherit
+ * the principal.
+ */
+ [infallible] readonly attribute boolean aboutBlankInherits;
+
+ /**
+ * If allowChrome is true, then use nsIScriptSecurityManager::ALLOW_CHROME
+ * when calling CheckLoadURIWithPrincipal().
+ */
+ [infallible] readonly attribute boolean allowChrome;
+
+ /**
+ * If disallowScript is true, then use nsIScriptSecurityManager::DISALLOW_SCRIPT
+ * when calling CheckLoadURIWithPrincipal().
+ */
+ [infallible] readonly attribute boolean disallowScript;
+
+%{C++
+ uint32_t CheckLoadURIFlags() {
+ uint32_t flags = nsIScriptSecurityManager::STANDARD;
+ if (GetAllowChrome()) {
+ flags |= nsIScriptSecurityManager::ALLOW_CHROME;
+ }
+ if (GetDisallowScript()) {
+ flags |= nsIScriptSecurityManager::DISALLOW_SCRIPT;
+ }
+ return flags;
+ }
+%}
+
+ /**
+ * Returns true if SEC_DONT_FOLLOW_REDIRECTS is set.
+ */
+ [infallible] readonly attribute boolean dontFollowRedirects;
+
+ /**
+ * Returns true if SEC_LOAD_ERROR_PAGE is set.
+ */
+ [infallible] readonly attribute boolean loadErrorPage;
+
+ /**
+ * True if the load was initiated by a form request.
+ */
+ [infallible] attribute boolean isFormSubmission;
+
+ /**
+ * The external contentPolicyType of the channel, used for security checks
+ * like Mixed Content Blocking and Content Security Policy.
+ *
+ * Specifically, content policy types with _INTERNAL_ in their name will
+ * never get returned from this attribute.
+ */
+ readonly attribute nsContentPolicyType externalContentPolicyType;
+
+ /**
+ * CSP uses this parameter to send or not CSP violation events.
+ * Default value: true.
+ */
+ [infallible] attribute boolean sendCSPViolationEvents;
+
+%{ C++
+ inline ExtContentPolicyType GetExternalContentPolicyType()
+ {
+ nsContentPolicyType result;
+ mozilla::DebugOnly<nsresult> rv = GetExternalContentPolicyType(&result);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ return static_cast<ExtContentPolicyType>(result);
+ }
+
+%}
+
+
+ /**
+ * The internal contentPolicyType of the channel, used for constructing
+ * RequestContext values when creating a fetch event for an intercepted
+ * channel.
+ *
+ * This should not be used for the purposes of security checks, since
+ * the content policy implementations cannot be expected to deal with
+ * _INTERNAL_ values. Please use the contentPolicyType attribute above
+ * for that purpose.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(InternalContentPolicyType)]
+ nsContentPolicyType binaryInternalContentPolicyType();
+
+ readonly attribute nsContentPolicyType internalContentPolicyType;
+
+ /**
+ * Returns true if document or any of the documents ancestors
+ * up to the toplevel document make use of the CSP directive
+ * 'block-all-mixed-content'.
+ *
+ * Warning: If the loadingDocument is null, then the
+ * blockAllMixedContent is false.
+ */
+ [infallible] readonly attribute boolean blockAllMixedContent;
+
+ /**
+ * Returns true if document or any of the documents ancestors
+ * up to the toplevel document make use of the CSP directive
+ * 'upgrade-insecure-requests'.
+ *
+ * Warning: If the loadingDocument is null, then the
+ * upgradeInsecureRequests is false.
+ */
+ [infallible] readonly attribute boolean upgradeInsecureRequests;
+
+ /**
+ * Returns true if the the page is https and the content is upgradable from http
+ * requires 'security.mixed_content.upgrade_display_content' pref to be true.
+ * Currently this only upgrades display content but might be expanded to other loads.
+ * This is very similar in implementation to upgradeInsecureRequests but browser set.
+ */
+ [infallible] readonly attribute boolean browserUpgradeInsecureRequests;
+
+ /**
+ * Returns true if the display content was or will get upgraded from http to https.
+ * Requires 'security.mixed_content.upgrade_display_content' pref to be true.
+ * Flag is set purely to collect telemetry.
+ */
+ [infallible] attribute boolean browserDidUpgradeInsecureRequests;
+
+ /**
+ * Returns true if the the page is https and the content is upgradable from http
+ * requires 'security.mixed_content.upgrade_display_content' pref to be false.
+ * See browserUpgradeInsecureRequests for more details, this only happens
+ * when *not* upgrading purely for telemetry.
+ */
+ [infallible] readonly attribute boolean browserWouldUpgradeInsecureRequests;
+
+ /**
+ * If true, toplevel data: URI navigation is allowed
+ */
+ [infallible] attribute boolean forceAllowDataURI;
+
+ /**
+ * If true, insecure redirects to a data: URI are allowed.
+ */
+ [infallible] attribute boolean allowInsecureRedirectToDataURI;
+
+ /**
+ * If true, the content policy security check is excluded from web requests.
+ */
+ [infallible] attribute boolean skipContentPolicyCheckForWebRequest;
+
+ /**
+ * If true, this is the load of a frame's original src attribute
+ */
+ [infallible] attribute boolean originalFrameSrcLoad;
+
+ /**
+ * The SEC_FORCE_INHERIT_PRINCIPAL flag may be dropped when a load info
+ * object is created. Specifically, it will be dropped if the SANDBOXED_ORIGIN
+ * sandbox flag is also present. This flag is set if SEC_FORCE_INHERIT_PRINCIPAL
+ * was dropped.
+ */
+ [infallible] readonly attribute boolean forceInheritPrincipalDropped;
+
+ /**
+ * This is the inner window ID of the window in which the element being
+ * loaded lives.
+ *
+ * Note that this window ID can be 0 if the window is not
+ * available.
+ */
+ [infallible] readonly attribute unsigned long long innerWindowID;
+
+ /**
+ * The BrowsingContext performing the load for this nsILoadInfo object.
+ */
+ [infallible] readonly attribute unsigned long long browsingContextID;
+ [infallible] readonly attribute BrowsingContext browsingContext;
+
+ /**
+ * The BrowsingContext which the worker is associated.
+ *
+ * Note that this could be 0 if the load is not triggered in a WorkerScope.
+ * This value is only set and used in the parent process for some sitautions
+ * the channel is created in the parent process for Workers. Such as fetch().
+ * In content process, it is always 0.
+ * This value would not be propagated through IPC.
+ */
+ [infallible] attribute unsigned long long workerAssociatedBrowsingContextID;
+ [infallible] readonly attribute BrowsingContext workerAssociatedBrowsingContext;
+
+ /**
+ * Only when the element being loaded is <frame src="foo.html">
+ * (or, more generally, if the element QIs to nsFrameLoaderOwner),
+ * the frameBrowsingContext is the browsing context containing the
+ * foo.html document.
+ *
+ * Note: For other cases, frameBrowsingContextID is 0.
+ */
+ [infallible] readonly attribute unsigned long long frameBrowsingContextID;
+ [infallible] readonly attribute BrowsingContext frameBrowsingContext;
+
+ /**
+ * If the element being loaded is a nsFrameLoaderOwner,
+ * `targetBrowsingContext` is the Browsing Context which will contain the
+ * loading document (see `frameBrowsingContext`). Otherwise, it is the
+ * Browsing Context performing the load (see `browsingContext`).
+ */
+ [infallible] readonly attribute unsigned long long targetBrowsingContextID;
+ [infallible] readonly attribute BrowsingContext targetBrowsingContext;
+
+ /**
+ * Resets the PrincipalToInherit to a freshly created NullPrincipal
+ * which inherits the origin attributes from the loadInfo.
+ *
+ * WARNING: Please only use that function if you know exactly what
+ * you are doing!!!
+ */
+ void resetPrincipalToInheritToNullPrincipal();
+
+ /**
+ * Customized OriginAttributes within LoadInfo to allow overwriting of the
+ * default originAttributes from the loadingPrincipal.
+ *
+ * In chrome side, originAttributes.privateBrowsingId will always be 0 even if
+ * the usePrivateBrowsing is true, because chrome docshell won't set
+ * privateBrowsingId on origin attributes (See bug 1278664). This is to make
+ * sure nsILoadInfo and nsILoadContext have the same origin attributes.
+ */
+ [implicit_jscontext, binaryname(ScriptableOriginAttributes)]
+ attribute jsval originAttributes;
+
+ [noscript, nostdcall, binaryname(GetOriginAttributes)]
+ OriginAttributes binaryGetOriginAttributes();
+
+ [noscript, nostdcall, binaryname(SetOriginAttributes)]
+ void binarySetOriginAttributes(in const_OriginAttributesRef aOriginAttrs);
+
+%{ C++
+ inline mozilla::OriginAttributes GetOriginAttributes()
+ {
+ mozilla::OriginAttributes result;
+ mozilla::DebugOnly<nsresult> rv = GetOriginAttributes(&result);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ return result;
+ }
+%}
+
+ /**
+ * Whenever a channel is evaluated by the ContentSecurityManager
+ * the first time, we set this flag to true to indicate that
+ * subsequent calls of AsyncOpen() do not have to enforce all
+ * security checks again. E.g., after a redirect there is no
+ * need to set up CORS again. We need this separate flag
+ * because the redirectChain might also contain internal
+ * redirects which might pollute the redirectChain so we can't
+ * rely on the size of the redirectChain-array to query whether
+ * a channel got redirected or not.
+ *
+ * Please note, once the flag is set to true it must remain true
+ * throughout the lifetime of the channel. Trying to set it
+ * to anything else than true will be discarded.
+ *
+ */
+ [infallible] attribute boolean initialSecurityCheckDone;
+
+ /**
+ * Returns true if the load was triggered from an external application
+ * (e.g. Thunderbird). Please note that this flag will only ever be true
+ * if the load is of TYPE_DOCUMENT.
+ */
+ [infallible] attribute boolean loadTriggeredFromExternal;
+
+ /**
+ * True if the tainting has been set by the service worker.
+ */
+ [noscript, infallible] readonly attribute boolean serviceWorkerTaintingSynthesized;
+
+ /**
+ * Whenever a channel gets redirected, append the redirect history entry of
+ * the channel which contains principal referrer and remote address [before
+ * the channels got redirected] to the loadinfo, so that at every point this
+ * array provides us information about all the redirects this channel went
+ * through.
+ * @param channelToDeriveFrom the channel being redirected
+ * @param aIsInternalRedirect should be true if the channel is going
+ * through an internal redirect, otherwise false.
+ */
+ void appendRedirectHistoryEntry(in nsIChannel channelToDeriveFrom,
+ in boolean isInternalRedirect);
+
+ /**
+ * An array of nsIRedirectHistoryEntry which stores redirects associated
+ * with this channel. This array is filled whether or not the channel has
+ * ever been opened. The last element of the array is associated with the
+ * most recent redirect. Please note, that this array *includes* internal
+ * redirects.
+ */
+ [implicit_jscontext]
+ readonly attribute jsval redirectChainIncludingInternalRedirects;
+
+ /**
+ * A C++-friendly version of redirectChain.
+ * Please note that this array has the same lifetime as the
+ * loadInfo object - use with caution!
+ */
+ [noscript, notxpcom, nostdcall, binaryname(RedirectChainIncludingInternalRedirects)]
+ nsIRedirectHistoryEntryArray binaryRedirectChainIncludingInternalRedirects();
+
+ /**
+ * Same as RedirectChain but does *not* include internal redirects.
+ */
+ [implicit_jscontext]
+ readonly attribute jsval redirectChain;
+
+ /**
+ * A C++-friendly version of redirectChain.
+ * Please note that this array has the same lifetime as the
+ * loadInfo object - use with caution!
+ */
+ [noscript, notxpcom, nostdcall, binaryname(RedirectChain)]
+ nsIRedirectHistoryEntryArray binaryRedirectChain();
+
+ /**
+ * This array is only filled out when we are in the parent process and we are
+ * creating a loadInfo object or deserializing LoadInfoArgs into LoadInfo,
+ * as we ever only need in the parent process.
+ *
+ * The array is meant to be a list of principals of the documents that the
+ * browsing context, corresponding to this loadInfo object, is "nested through" in
+ * the sense of
+ * <https://html.spec.whatwg.org/multipage/browsers.html#browsing-context-nested-through>.
+ * Note that the array does not include the principal corresponding to the frame
+ * loading this request. The closest ancestor is at index zero and the top level
+ * ancestor is at the last index.
+ *
+ * If this is a toplevel content browsing context (i.e. toplevel document in spec
+ * terms), the list is empty.
+ *
+ * Otherwise the array is a list for the document we're nested through (again in
+ * the spec sense), with the principal of that document prepended. The
+ * ancestorPrincipals[0] entry for an iframe load will be the principal of the
+ * iframe element's owner document. The ancestorPrincipals[0] entry for an image
+ * loaded in an iframe will be the principal of the iframe element's owner
+ * document. This matches the ordering specified for Location.ancestorOrigins.
+ *
+ * Please note that this array has the same lifetime as the loadInfo object - use
+ * with caution!
+ */
+ [noscript, notxpcom, nostdcall]
+ PrincipalArrayRef AncestorPrincipals();
+
+ /**
+ * An array of BrowsingContext IDs which correspond to nsILoadInfo::AncestorPrincipals
+ * above. AncestorBrowsingContextIDs[0] is the BrowsingContext ID of the frame
+ * associated with the principal at ancestorPrincipals[0], and so forth.
+ *
+ * Please note that this array has the same lifetime as the
+ * loadInfo object - use with caution!
+ */
+ [noscript, notxpcom, nostdcall]
+ Uint64ArrayRef AncestorBrowsingContextIDs();
+
+ /**
+ * Sets the list of unsafe headers according to CORS spec, as well as
+ * potentially forces a preflight.
+ * Note that you do not need to set the Content-Type header. That will be
+ * automatically detected as needed.
+ *
+ * Only call this function when using the SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT mode.
+ */
+ [noscript, notxpcom, nostdcall]
+ void setCorsPreflightInfo(in CStringArrayRef unsafeHeaders,
+ in boolean forcePreflight);
+
+ /**
+ * A C++-friendly getter for the list of cors-unsafe headers.
+ * Please note that this array has the same lifetime as the
+ * loadInfo object - use with caution!
+ */
+ [noscript, notxpcom, nostdcall, binaryname(CorsUnsafeHeaders)]
+ CStringArrayRef corsUnsafeHeaders();
+
+ /**
+ * Returns value set through setCorsPreflightInfo.
+ */
+ [infallible] readonly attribute boolean forcePreflight;
+
+ /**
+ * A C++ friendly getter for the forcePreflight flag.
+ */
+ [infallible] readonly attribute boolean isPreflight;
+
+ /**
+ * Constants reflecting the channel tainting. These are mainly defined here
+ * for script. Internal C++ code should use the enum defined in LoadTainting.h.
+ * See LoadTainting.h for documentation.
+ */
+ const unsigned long TAINTING_BASIC = 0;
+ const unsigned long TAINTING_CORS = 1;
+ const unsigned long TAINTING_OPAQUE = 2;
+
+ /**
+ * Determine the associated channel's current tainting. Note, this can
+ * change due to a service worker intercept, so it should be checked after
+ * OnStartRequest() fires.
+ */
+ readonly attribute unsigned long tainting;
+
+ /**
+ * Note a new tainting level and possibly increase the current tainting
+ * to match. If the tainting level is already greater than the given
+ * value, then there is no effect. It is not possible to reduce the tainting
+ * level on an existing channel/loadinfo.
+ */
+ void maybeIncreaseTainting(in unsigned long aTainting);
+
+ /**
+ * Various helper code to provide more convenient C++ access to the tainting
+ * attribute and maybeIncreaseTainting().
+ */
+%{C++
+ static_assert(TAINTING_BASIC == static_cast<uint32_t>(mozilla::LoadTainting::Basic),
+ "basic tainting enums should match");
+ static_assert(TAINTING_CORS == static_cast<uint32_t>(mozilla::LoadTainting::CORS),
+ "cors tainting enums should match");
+ static_assert(TAINTING_OPAQUE == static_cast<uint32_t>(mozilla::LoadTainting::Opaque),
+ "opaque tainting enums should match");
+
+ mozilla::LoadTainting GetTainting()
+ {
+ uint32_t tainting = TAINTING_BASIC;
+ MOZ_ALWAYS_SUCCEEDS(GetTainting(&tainting));
+ return static_cast<mozilla::LoadTainting>(tainting);
+ }
+
+ void MaybeIncreaseTainting(mozilla::LoadTainting aTainting)
+ {
+ uint32_t tainting = static_cast<uint32_t>(aTainting);
+ MOZ_ALWAYS_SUCCEEDS(MaybeIncreaseTainting(tainting));
+ }
+%}
+
+ /**
+ * Returns true if this load is for top level document.
+ * Note that the load for a sub-frame's document will return false here.
+ */
+ [infallible] readonly attribute boolean isTopLevelLoad;
+
+ /**
+ * If this is non-null, this property represents two things: (1) the
+ * URI to be used for the principal if the channel with this loadinfo
+ * gets a principal based on URI and (2) the URI to use for a document
+ * created from the channel with this loadinfo.
+ */
+ attribute nsIURI resultPrincipalURI;
+
+ /**
+ * This is the URI used to create the most recent channel in the load's
+ * redirect chain, if it's different from channel's `originalURI`.
+ * This is always null for loads not handled by DocumentLoadListener. If
+ * non-null, channelCreationOriginalURI will be used instead of channel's
+ * originalURI to re-create the channel in the final content process selected
+ * to perform the load.
+ */
+ attribute nsIURI channelCreationOriginalURI;
+
+ /**
+ * Returns a unique nsID used to construct the null principal for the
+ * resulting resource if the SANDBOXED_ORIGIN flag is set. This is used by
+ * GetChannelResultPrincipal() to ensure that the same null principal is
+ * returned every time.
+ */
+ [noscript, nostdcall, notxpcom]
+ nsIDRef GetSandboxedNullPrincipalID();
+
+ /**
+ * Generates a new nsID to be returned by a future call to
+ * `GetSandboxedNullPrincipalID()`.
+ */
+ [noscript, nostdcall, notxpcom]
+ void ResetSandboxedNullPrincipalID();
+
+ /**
+ * Return the top-level principal, which is the principal of the top-level
+ * window.
+ */
+ [notxpcom, nostdcall] readonly attribute nsIPrincipal topLevelPrincipal;
+
+ /**
+ * Note which client (i.e. global) initiated this network request. All
+ * nsGlobalWindow and WorkerPrivate can be converted to a ClientInfo to
+ * be set here. While this is being added to support service worker
+ * FetchEvent, it can also be used to communicate other information about
+ * the source global context in the future.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SetClientInfo(in const_ClientInfoRef aClientInfo);
+
+ /**
+ * Get the ClientInfo for the global that initiated the network request,
+ * if it has been set.
+ */
+ [noscript, nostdcall, notxpcom]
+ const_MaybeClientInfoRef GetClientInfo();
+
+ /**
+ * Give a pre-allocated ClientSource to the channel LoadInfo. This is
+ * intended to be used by docshell when loading windows without an
+ * initial about:blank document. The docshell will allocate the ClientSource
+ * to represent the client that will be created as a result of the navigation
+ * network request. If the channel succeeds and remains same-origin, then
+ * the result nsGlobalWindow will take ownership of the reserved ClientSource.
+ *
+ * This method is also called when a cross-origin redirect occurs. A new
+ * ClientSource with a different UUID must be created in this case.
+ *
+ * This method automatically calls SetReservedClientInfo() with the
+ * ClientSource::Info().
+ */
+ [noscript, nostdcall, notxpcom]
+ void GiveReservedClientSource(in UniqueClientSourceMove aClientSource);
+
+ /**
+ * This method takes ownership of the reserved ClientSource previously
+ * provided in GiveReservedClientSource(). It may return nullptr if the
+ * nsILoadInfo does not own a ClientSource object.
+ */
+ [noscript, nostdcall, notxpcom]
+ UniqueClientSource TakeReservedClientSource();
+
+ /**
+ * Note the reserved client that be created if this non-subresource
+ * network request succeeds. Depending on the type of client this
+ * may be called directly or indirectly via GiveReservedClientSource().
+ * For example, web workers do not call give their ClientSource to
+ * the nsILoadInfo, but must still call this method to indicate the
+ * reserved client for their main script load.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SetReservedClientInfo(in const_ClientInfoRef aClientInfo);
+
+ /**
+ * This will clear any existing reserved or initial client and override
+ * it with the given reserved client. This is similar to calling
+ * TakeReservedClientSource() and then GiveReservedClientSource() with
+ * a new client as ClientChannelHelper does. This method is needed,
+ * though, to perform this operation in the parent process where
+ * the LoadInfo does not have direct access to a ClientSource.
+ *
+ * If in doubt, do not call this method. Its really only needed for
+ * a specific redirect case where the child has created a new client on
+ * redirect and we need to override the parent side's reserved client
+ * to match.
+ */
+ [noscript, nostdcall, notxpcom]
+ void OverrideReservedClientInfoInParent(in const_ClientInfoRef aClientInfo);
+
+ /**
+ * Return the reserved ClientInfo for this load, if one has been set.
+ */
+ [noscript, nostdcall, notxpcom]
+ const_MaybeClientInfoRef GetReservedClientInfo();
+
+ /**
+ * Note that this non-subresource network request will result in
+ * re-using an existing "initial" active client. This mainly only
+ * happens when an initial about:blank document is replaced with
+ * a real load in a window. In these cases we need to track this
+ * initial client so that we may report its existence in a FetchEvent.
+ *
+ * Note, an nsILoadInfo may only have a reserved client or an
+ * initial client. It should never have both.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SetInitialClientInfo(in const_ClientInfoRef aClientInfo);
+
+ /**
+ * Return the initial ClientInfo for this load, if one has been set.
+ */
+ [noscript, nostdcall, notxpcom]
+ const_MaybeClientInfoRef GetInitialClientInfo();
+
+ /**
+ * Note that this network request should be controlled by a service worker.
+ * For non-subresource requests this may be set during the load when
+ * the first service worker interception occurs. For subresource requests
+ * it may be set by the source client if its already controlled by a
+ * service worker.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SetController(in const_ServiceWorkerDescriptorRef aServiceWorker);
+
+ /**
+ * Clear the service worker controller for this channel. This should only
+ * be used for window navigation redirects. By default we want to keep
+ * the controller in all other cases.
+ */
+ [noscript, nostdcall, notxpcom]
+ void ClearController();
+
+ /**
+ * Get the service worker controlling this network request, if one has
+ * been set.
+ */
+ [noscript, nostdcall, notxpcom]
+ const_MaybeServiceWorkerDescriptorRef GetController();
+
+ /**
+ * Set a custom performance storage. This is meant to be executed only for
+ * workers. If a PerformanceStorage is not set, the loadingDocument->Window
+ * Performance object will be returned instead.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SetPerformanceStorage(in PerformanceStoragePtr aPerformanceStorage);
+
+ /**
+ * Get the custom PerformanceStorage if set by SetPerformanceStorage.
+ * Otherwise the loadingDocument->Window Performance object will be returned
+ * instead if all the following conditions are met:
+ * - the triggeringPrincipal is the same as the loadingDocument's principal.
+ * - if the external content policy type is TYPE_SUBDOCUMENT then loading
+ * wasn't caused by processing the attributes of the browsing context
+ * container.
+ */
+ [noscript, nostdcall, notxpcom]
+ PerformanceStoragePtr GetPerformanceStorage();
+
+ /**
+ * Returns the CSP (or Preload CSP for preloads) which should be enforced
+ * when fetching the resource this loadinfo belongs to.
+ *
+ * a) Non-navigations:
+ * For non-navigation loads, GetCsp() returns what the spec refers to as the
+ * "request's client's global object's CSP list". In practice, if this is the
+ * loadinfo of a subresource load (e.g an image load), then GetCsp() or
+ * GetPreloadCSP() returns the CSP of the document which embeds the image.
+ * The returned CSP includes any policy delivered through the HTTP header or
+ * also through the meta tag (modulo the difference for preloads, e.g. image
+ * preloads have to query GetPreloadCsp() because at the time of preloading
+ * we are not entirely sure if the Meta CSP will be applied to the document
+ * in the end or not). Please note that GetCSPToInherit() called on a
+ * loadinfo for any non-navigation always returns null.
+ *
+ * b) Navigations:
+ * * Top-level loads:
+ * For top-level loads (navigations) GetCsp() will return null, unless
+ * the navigation is started by a WebExtension, in which case it will
+ * return the CSP of the webextension, if any.
+ * If you need to query the CSP that potentially should apply to the
+ * new top-level load, you have to query GetCspToInherit(), which is
+ * the CSP of the request's client's global object, just like GetCsp()
+ * is for non-navigation requests.
+ *
+ * * Iframe-loads:
+ * For iframe-loads (navigations) GetCsp() will return the CSP of the
+ * parent document, unless the navigation is started by a WebExtension,
+ * in which case it will return the CSP of the webextension, if any.
+ *
+ * If you need to query the CSP that should potentially be inherited
+ * into the new document, you have to query GetCSPToInherit().
+ *
+ * TODO Bug 1557114:
+ * After evaluating what CSP to use for frame navigations we should
+ * update the above documentation to match the outcome of Bug 1557114.
+ */
+ [notxpcom,nostdcall] CSPRef GetCsp();
+ [notxpcom,nostdcall] CSPRef GetPreloadCsp();
+ [notxpcom,nostdcall] CSPRef GetCspToInherit();
+
+ /**
+ * The service worker and fetch specifications require returning the
+ * exact tainting level of the Response passed to FetchEvent.respondWith().
+ * This method allows us to override the tainting level in that case.
+ *
+ * NOTE: This should not be used outside of service worker code! Use
+ * nsILoadInfo::MaybeIncreaseTainting() instead.
+ */
+ [noscript, nostdcall, notxpcom]
+ void SynthesizeServiceWorkerTainting(in LoadTainting aTainting);
+
+ /**
+ * The top-level document has been user-interacted.
+ */
+ [infallible] attribute boolean documentHasUserInteracted;
+
+ /**
+ * During a top-level document channel redirect from tracking to
+ * non-tracking resources, our anti-tracking heuristic, grants the storage
+ * access permission for a short amount of seconds (See
+ * privacy.restrict3rdpartystorage.expiration_redirect pref).
+ * We use this flag to remember this decision even if this channel is part
+ * of a chain of redirects.
+ */
+ [infallible] attribute boolean allowListFutureDocumentsCreatedFromThisRedirectChain;
+
+ /**
+ * Indicates that we need to check if we should apply the anti-tracking
+ * heuristic after the channel has been classified.
+ */
+ [infallible] attribute boolean needForCheckingAntiTrackingHeuristic;
+
+ /**
+ * A snapshot of the nonce at load start time which is used for CSP
+ * checks and only set for:
+ * * TYPE_SCRIPT and
+ * * TYPE_STYLESHEET
+ */
+ attribute AString cspNonce;
+
+ // Subresource Integrity (SRI) metadata.
+ attribute AString integrityMetadata;
+
+ /**
+ * List of possible reasons the request associated with this load info
+ * may have been blocked, set by various content blocking checkers.
+ */
+ const uint32_t BLOCKING_REASON_NONE = 0;
+ const uint32_t BLOCKING_REASON_CORSDISABLED = 1001;
+ const uint32_t BLOCKING_REASON_CORSDIDNOTSUCCEED = 1002;
+ const uint32_t BLOCKING_REASON_CORSREQUESTNOTHTTP = 1003;
+ const uint32_t BLOCKING_REASON_CORSMULTIPLEALLOWORIGINNOTALLOWED = 1004;
+ const uint32_t BLOCKING_REASON_CORSMISSINGALLOWORIGIN = 1005;
+ const uint32_t BLOCKING_REASON_CORSNOTSUPPORTINGCREDENTIALS = 1006;
+ const uint32_t BLOCKING_REASON_CORSALLOWORIGINNOTMATCHINGORIGIN = 1007;
+ const uint32_t BLOCKING_REASON_CORSMISSINGALLOWCREDENTIALS = 1008;
+ const uint32_t BLOCKING_REASON_CORSORIGINHEADERNOTADDED = 1009;
+ const uint32_t BLOCKING_REASON_CORSEXTERNALREDIRECTNOTALLOWED = 1010;
+ const uint32_t BLOCKING_REASON_CORSPREFLIGHTDIDNOTSUCCEED = 1011;
+ const uint32_t BLOCKING_REASON_CORSINVALIDALLOWMETHOD = 1012;
+ const uint32_t BLOCKING_REASON_CORSMETHODNOTFOUND = 1013;
+ const uint32_t BLOCKING_REASON_CORSINVALIDALLOWHEADER = 1014;
+ const uint32_t BLOCKING_REASON_CORSMISSINGALLOWHEADERFROMPREFLIGHT = 1015;
+ const uint32_t BLOCKING_REASON_CLASSIFY_MALWARE_URI = 2001;
+ const uint32_t BLOCKING_REASON_CLASSIFY_PHISHING_URI = 2002;
+ const uint32_t BLOCKING_REASON_CLASSIFY_UNWANTED_URI = 2003;
+ const uint32_t BLOCKING_REASON_CLASSIFY_TRACKING_URI = 2004;
+ const uint32_t BLOCKING_REASON_CLASSIFY_BLOCKED_URI = 2005;
+ const uint32_t BLOCKING_REASON_CLASSIFY_HARMFUL_URI = 2006;
+ const uint32_t BLOCKING_REASON_CLASSIFY_CRYPTOMINING_URI = 2007;
+ const uint32_t BLOCKING_REASON_CLASSIFY_FINGERPRINTING_URI = 2008;
+ const uint32_t BLOCKING_REASON_CLASSIFY_SOCIALTRACKING_URI = 2009;
+ const uint32_t BLOCKING_REASON_CLASSIFY_EMAILTRACKING_URI = 2010;
+ const uint32_t BLOCKING_REASON_MIXED_BLOCKED = 3001;
+ // The general reason comes from nsCSPContext::permitsInternal(),
+ // which is way too generic to distinguish an exact reason.
+ const uint32_t BLOCKING_REASON_CONTENT_POLICY_GENERAL = 4000;
+ const uint32_t BLOCKING_REASON_CONTENT_POLICY_NO_DATA_PROTOCOL = 4001;
+ // removed 4002
+ const uint32_t BLOCKING_REASON_CONTENT_POLICY_CONTENT_BLOCKED = 4003;
+ const uint32_t BLOCKING_REASON_CONTENT_POLICY_DATA_DOCUMENT = 4004;
+ const uint32_t BLOCKING_REASON_CONTENT_POLICY_WEB_BROWSER = 4005;
+ const uint32_t BLOCKING_REASON_CONTENT_POLICY_PRELOAD = 4006;
+ // The reason used when SEC_REQUIRE_SAME_ORIGIN_* is set and not satisifed.
+ const uint32_t BLOCKING_REASON_NOT_SAME_ORIGIN = 5000;
+ // The reason used when an extension cancels the request via the WebRequest api.
+ const uint32_t BLOCKING_REASON_EXTENSION_WEBREQUEST = 6000;
+ // The reason used when a request is cancelled via WebDriver BiDi network interception.
+ const uint32_t BLOCKING_REASON_WEBDRIVER_BIDI = 7000;
+
+ /**
+ * If the request associated with this load info was blocked by some of
+ * our content or load blockers, the reason can be found here.
+ * Note that setting this attribute has NO EFFECT on blocking the request.
+ * This attribute is only informative!
+ *
+ * By default the value is '0' - NONE.
+ * Each write rewrites the last value.
+ * Can be accessed only on a single thread.
+ */
+ [infallible] attribute unsigned long requestBlockingReason;
+
+ /**
+ * The object in charged to receive CSP violation events. It can be null.
+ * This attribute will be merged into the CSP object eventually.
+ * See bug 1500908.
+ */
+ attribute nsICSPEventListener cspEventListener;
+
+ /**
+ * This attribute will be true if this is a load triggered by
+ * https://html.spec.whatwg.org/multipage/iframe-embed-object.html#process-the-iframe-attributes
+ * or https://html.spec.whatwg.org/multipage/obsolete.html#process-the-frame-attributes
+ */
+ [infallible] readonly attribute boolean isFromProcessingFrameAttributes;
+
+ cenum CrossOriginOpenerPolicy : 8 {
+ OPENER_POLICY_UNSAFE_NONE = 0,
+ OPENER_POLICY_SAME_ORIGIN = 1,
+ OPENER_POLICY_SAME_ORIGIN_ALLOW_POPUPS = 2,
+ OPENER_POLICY_EMBEDDER_POLICY_REQUIRE_CORP_FLAG = 0x10,
+ OPENER_POLICY_SAME_ORIGIN_EMBEDDER_POLICY_REQUIRE_CORP =
+ OPENER_POLICY_SAME_ORIGIN |
+ OPENER_POLICY_EMBEDDER_POLICY_REQUIRE_CORP_FLAG
+ };
+
+ cenum CrossOriginEmbedderPolicy : 8 {
+ EMBEDDER_POLICY_NULL = 0,
+ EMBEDDER_POLICY_REQUIRE_CORP = 1,
+ EMBEDDER_POLICY_CREDENTIALLESS = 2,
+ };
+
+ /**
+ * This attribute is the loading context's cross origin embedder policy.
+ * The value is initialized with corresponding WindowContext which get by
+ * innerWindowIID in the nsILoadInfo.
+ * It also could be set by workers when fetch is called under
+ * the workers' scope.
+ */
+ [infallible] attribute nsILoadInfo_CrossOriginEmbedderPolicy
+ loadingEmbedderPolicy;
+
+ /**
+ * This attribute will be true if the top level document has COEP:
+ * credentialless enabled in Origin Trial.
+ */
+ [infallible] attribute boolean isOriginTrialCoepCredentiallessEnabledForTopLevel;
+ /**
+ * This attribute will be true if this is a load triggered by a media
+ * element.
+ */
+ [infallible] attribute boolean isMediaRequest;
+
+ /**
+ * This attribute will be true if this is a load triggered by a media
+ * element and it's an initial request.
+ */
+ [infallible] attribute boolean isMediaInitialRequest;
+
+ /**
+ * This attribute will be true if the fetch request is from object or embed
+ * elements
+ */
+ [infallible] attribute boolean isFromObjectOrEmbed;
+
+ /**
+ * This attribute will be true if the URL is known to be possibly broken and
+ * CheckForBrokenChromeURL and RecordZeroLengthEvent should be skipped.
+ */
+ [infallible] readonly attribute boolean shouldSkipCheckForBrokenURLOrZeroSized;
+
+ /**
+ * If this is non-null, this property holds the URI as it was before query
+ * stripping was performed.
+ */
+ attribute nsIURI unstrippedURI;
+
+ /**
+ * Propagated information from InterceptedHttpChannel
+ * It should be null when the channel is not created from FetchEvent.request
+ * or ServiceWorker NavigationPreload.
+ * nsIFetchEventInfo is C++ only, so it is not an attribute.
+ */
+ [noscript, notxpcom, nostdcall, binaryname(InterceptionInfo)]
+ nsIInterceptionInfo binaryInterceptionInfo();
+
+ [noscript, notxpcom, nostdcall, binaryname(SetInterceptionInfo)]
+ void binarySetInterceptionInfo(in nsIInterceptionInfo info);
+
+ /**
+ * Whether nsICookieInjector has injected a cookie for this request to
+ * handle a cookie banner. This is only done for top-level requests.
+ */
+ [infallible] attribute boolean hasInjectedCookieForCookieBannerHandling;
+
+ /**
+ * Whether the load has gone through the URL bar, where the fixup had to add * the protocol scheme.
+ */
+ [infallible] attribute boolean wasSchemelessInput;
+};