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fune/netwerk/base/nsNetUtil.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=4 sw=2 sts=2 et 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/. */
#ifndef nsNetUtil_h__
#define nsNetUtil_h__
#include <functional>
#include "mozilla/Maybe.h"
#include "mozilla/ResultExtensions.h"
#include "nsAttrValue.h"
#include "nsCOMPtr.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsILoadGroup.h"
#include "nsINestedURI.h"
#include "nsINetUtil.h"
#include "nsIRequest.h"
#include "nsILoadInfo.h"
#include "nsIIOService.h"
#include "nsIURI.h"
#include "mozilla/NotNull.h"
#include "mozilla/Services.h"
#include "mozilla/Unused.h"
#include "nsNetCID.h"
#include "nsReadableUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsString.h"
#include "nsTArray.h"
class nsIPrincipal;
class nsIAsyncStreamCopier;
class nsIAuthPrompt;
class nsIAuthPrompt2;
class nsIChannel;
class nsIChannelPolicy;
class nsICookieJarSettings;
class nsIDownloadObserver;
class nsIEventTarget;
class nsIFileProtocolHandler;
class nsIFileStream;
class nsIHttpChannel;
class nsIInputStream;
class nsIInputStreamPump;
class nsIInterfaceRequestor;
class nsIOutputStream;
class nsIParentChannel;
class nsIPersistentProperties;
class nsIProxyInfo;
class nsIRequestObserver;
class nsIStreamListener;
class nsIStreamLoader;
class nsIStreamLoaderObserver;
class nsIIncrementalStreamLoader;
class nsIIncrementalStreamLoaderObserver;
namespace mozilla {
class Encoding;
class OriginAttributes;
class OriginTrials;
namespace dom {
class ClientInfo;
class PerformanceStorage;
class ServiceWorkerDescriptor;
} // namespace dom
namespace ipc {
class FileDescriptor;
} // namespace ipc
} // namespace mozilla
template <class>
class nsCOMPtr;
template <typename>
struct already_AddRefed;
already_AddRefed<nsIIOService> do_GetIOService(nsresult* error = nullptr);
already_AddRefed<nsINetUtil> do_GetNetUtil(nsresult* error = nullptr);
// private little helper function... don't call this directly!
nsresult net_EnsureIOService(nsIIOService** ios, nsCOMPtr<nsIIOService>& grip);
nsresult NS_NewURI(nsIURI** aURI, const nsACString& spec,
const char* charset = nullptr, nsIURI* baseURI = nullptr);
nsresult NS_NewURI(nsIURI** result, const nsACString& spec,
mozilla::NotNull<const mozilla::Encoding*> encoding,
nsIURI* baseURI = nullptr);
nsresult NS_NewURI(nsIURI** result, const nsAString& spec,
const char* charset = nullptr, nsIURI* baseURI = nullptr);
nsresult NS_NewURI(nsIURI** result, const nsAString& spec,
mozilla::NotNull<const mozilla::Encoding*> encoding,
nsIURI* baseURI = nullptr);
nsresult NS_NewURI(nsIURI** result, const char* spec,
nsIURI* baseURI = nullptr);
nsresult NS_NewFileURI(
nsIURI** result, nsIFile* spec,
nsIIOService* ioService =
nullptr); // pass in nsIIOService to optimize callers
// Functions for adding additional encoding to a URL for compatibility with
// Apple's NSURL class URLWithString method.
//
// @param aResult
// Out parameter for the encoded URL spec
// @param aSpec
// The spec for the URL to be encoded
nsresult NS_GetSpecWithNSURLEncoding(nsACString& aResult,
const nsACString& aSpec);
// @param aResult
// Out parameter for the encoded URI
// @param aSpec
// The spec for the URL to be encoded
nsresult NS_NewURIWithNSURLEncoding(nsIURI** aResult, const nsACString& aSpec);
// These methods will only mutate the URI if the ref of aInput doesn't already
// match the ref we are trying to set.
// If aInput has no ref, and we are calling NS_GetURIWithoutRef, or
// NS_GetURIWithNewRef with an empty string, then aOutput will be the same
// as aInput. The same is true if aRef is already equal to the ref of aInput.
// This is OK because URIs are immutable and threadsafe.
// If the URI doesn't support ref fragments aOutput will be the same as aInput.
nsresult NS_GetURIWithNewRef(nsIURI* aInput, const nsACString& aRef,
nsIURI** aOutput);
nsresult NS_GetURIWithoutRef(nsIURI* aInput, nsIURI** aOutput);
nsresult NS_GetSanitizedURIStringFromURI(nsIURI* aUri,
nsAString& aSanitizedSpec);
/*
* How to create a new Channel, using NS_NewChannel,
* NS_NewChannelWithTriggeringPrincipal,
* NS_NewInputStreamChannel, NS_NewChannelInternal
* and it's variations:
*
* What specific API function to use:
* * The NS_NewChannelInternal functions should almost never be directly
* called outside of necko code.
* * If possible, use NS_NewChannel() providing a loading *nsINode*
* * If no loading *nsINode* is available, try calling NS_NewChannel() providing
* a loading *ClientInfo*.
* * If no loading *nsINode* or *ClientInfo* are available, call NS_NewChannel()
* providing a loading *nsIPrincipal*.
* * Call NS_NewChannelWithTriggeringPrincipal if the triggeringPrincipal
* is different from the loadingPrincipal.
* * Call NS_NewChannelInternal() providing aLoadInfo object in cases where
* you already have loadInfo object, e.g in case of a channel redirect.
*
* @param aURI
* nsIURI from which to make a channel
* @param aLoadingNode
* @param aLoadingPrincipal
* @param aTriggeringPrincipal
* @param aSecurityFlags
* @param aContentPolicyType
* These will be used as values for the nsILoadInfo object on the
* created channel. For details, see nsILoadInfo in nsILoadInfo.idl
*
* Please note, if you provide both a loadingNode and a loadingPrincipal,
* then loadingPrincipal must be equal to loadingNode->NodePrincipal().
* But less error prone is to just supply a loadingNode.
*
* Note, if you provide a loading ClientInfo its principal must match the
* loading principal. Currently you must pass both as the loading principal
* may have additional mutable values like CSP on it. In the future these
* will be removed from nsIPrincipal and the API can be changed to take just
* the loading ClientInfo.
*
* Keep in mind that URIs coming from a webpage should *never* use the
* systemPrincipal as the loadingPrincipal.
*/
nsresult NS_NewChannelInternal(
nsIChannel** outChannel, nsIURI* aUri, nsINode* aLoadingNode,
nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
const mozilla::Maybe<mozilla::dom::ClientInfo>& aLoadingClientInfo,
const mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor>& aController,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType,
nsICookieJarSettings* aCookieJarSettings = nullptr,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr, uint32_t aSandboxFlags = 0,
bool aSkipCheckForBrokenURLOrZeroSized = false);
// See NS_NewChannelInternal for usage and argument description
nsresult NS_NewChannelInternal(
nsIChannel** outChannel, nsIURI* aUri, nsILoadInfo* aLoadInfo,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr);
// See NS_NewChannelInternal for usage and argument description
nsresult /*NS_NewChannelWithNodeAndTriggeringPrincipal */
NS_NewChannelWithTriggeringPrincipal(
nsIChannel** outChannel, nsIURI* aUri, nsINode* aLoadingNode,
nsIPrincipal* aTriggeringPrincipal, nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr);
// See NS_NewChannelInternal for usage and argument description
nsresult NS_NewChannelWithTriggeringPrincipal(
nsIChannel** outChannel, nsIURI* aUri, nsIPrincipal* aLoadingPrincipal,
nsIPrincipal* aTriggeringPrincipal, nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsICookieJarSettings* aCookieJarSettings = nullptr,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr);
// See NS_NewChannelInternal for usage and argument description
nsresult NS_NewChannelWithTriggeringPrincipal(
nsIChannel** outChannel, nsIURI* aUri, nsIPrincipal* aLoadingPrincipal,
nsIPrincipal* aTriggeringPrincipal,
const mozilla::dom::ClientInfo& aLoadingClientInfo,
const mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor>& aController,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType,
nsICookieJarSettings* aCookieJarSettings = nullptr,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr);
// See NS_NewChannelInternal for usage and argument description
nsresult NS_NewChannel(
nsIChannel** outChannel, nsIURI* aUri, nsINode* aLoadingNode,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr, uint32_t aSandboxFlags = 0,
bool aSkipCheckForBrokenURLOrZeroSized = false);
// See NS_NewChannelInternal for usage and argument description
nsresult NS_NewChannel(
nsIChannel** outChannel, nsIURI* aUri, nsIPrincipal* aLoadingPrincipal,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType,
nsICookieJarSettings* aCookieJarSettings = nullptr,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr, uint32_t aSandboxFlags = 0,
bool aSkipCheckForBrokenURLOrZeroSized = false);
// See NS_NewChannelInternal for usage and argument description
nsresult NS_NewChannel(
nsIChannel** outChannel, nsIURI* aUri, nsIPrincipal* aLoadingPrincipal,
const mozilla::dom::ClientInfo& aLoadingClientInfo,
const mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor>& aController,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType,
nsICookieJarSettings* aCookieJarSettings = nullptr,
mozilla::dom::PerformanceStorage* aPerformanceStorage = nullptr,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL,
nsIIOService* aIoService = nullptr, uint32_t aSandboxFlags = 0,
bool aSkipCheckForBrokenURLOrZeroSized = false);
nsresult NS_GetIsDocumentChannel(nsIChannel* aChannel, bool* aIsDocument);
nsresult NS_MakeAbsoluteURI(nsACString& result, const nsACString& spec,
nsIURI* baseURI);
nsresult NS_MakeAbsoluteURI(char** result, const char* spec, nsIURI* baseURI);
nsresult NS_MakeAbsoluteURI(nsAString& result, const nsAString& spec,
nsIURI* baseURI);
/**
* This function is a helper function to get a scheme's default port.
*/
int32_t NS_GetDefaultPort(const char* scheme,
nsIIOService* ioService = nullptr);
/**
* This function is a helper function to apply the ToAscii conversion
* to a string
*/
bool NS_StringToACE(const nsACString& idn, nsACString& result);
/**
* This function is a helper function to get a protocol's default port if the
* URI does not specify a port explicitly. Returns -1 if this protocol has no
* concept of ports or if there was an error getting the port.
*/
int32_t NS_GetRealPort(nsIURI* aURI);
nsresult NS_NewInputStreamChannelInternal(
nsIChannel** outChannel, nsIURI* aUri,
already_AddRefed<nsIInputStream> aStream, const nsACString& aContentType,
const nsACString& aContentCharset, nsILoadInfo* aLoadInfo);
nsresult NS_NewInputStreamChannelInternal(
nsIChannel** outChannel, nsIURI* aUri,
already_AddRefed<nsIInputStream> aStream, const nsACString& aContentType,
const nsACString& aContentCharset, nsINode* aLoadingNode,
nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType);
nsresult NS_NewInputStreamChannel(nsIChannel** outChannel, nsIURI* aUri,
already_AddRefed<nsIInputStream> aStream,
nsIPrincipal* aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
const nsACString& aContentType = ""_ns,
const nsACString& aContentCharset = ""_ns);
nsresult NS_NewInputStreamChannelInternal(
nsIChannel** outChannel, nsIURI* aUri, const nsAString& aData,
const nsACString& aContentType, nsINode* aLoadingNode,
nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
nsSecurityFlags aSecurityFlags, nsContentPolicyType aContentPolicyType,
bool aIsSrcdocChannel = false);
nsresult NS_NewInputStreamChannelInternal(nsIChannel** outChannel, nsIURI* aUri,
const nsAString& aData,
const nsACString& aContentType,
nsILoadInfo* aLoadInfo,
bool aIsSrcdocChannel = false);
nsresult NS_NewInputStreamChannel(nsIChannel** outChannel, nsIURI* aUri,
const nsAString& aData,
const nsACString& aContentType,
nsIPrincipal* aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
bool aIsSrcdocChannel = false);
nsresult NS_NewInputStreamPump(nsIInputStreamPump** aResult,
already_AddRefed<nsIInputStream> aStream,
uint32_t aSegsize = 0, uint32_t aSegcount = 0,
bool aCloseWhenDone = false,
nsIEventTarget* aMainThreadTarget = nullptr);
nsresult NS_NewLoadGroup(nsILoadGroup** result, nsIRequestObserver* obs);
// Create a new nsILoadGroup that will match the given principal.
nsresult NS_NewLoadGroup(nsILoadGroup** aResult, nsIPrincipal* aPrincipal);
// Determine if the given loadGroup/principal pair will produce a principal
// with similar permissions when passed to NS_NewChannel(). This checks for
// things like making sure the browser element flag matches. Without
// an appropriate load group these values can be lost when getting the result
// principal back out of the channel. Null principals are also always allowed
// as they do not have permissions to actually use the load group.
bool NS_LoadGroupMatchesPrincipal(nsILoadGroup* aLoadGroup,
nsIPrincipal* aPrincipal);
nsresult NS_NewDownloader(nsIStreamListener** result,
nsIDownloadObserver* observer,
nsIFile* downloadLocation = nullptr);
nsresult NS_NewStreamLoader(nsIStreamLoader** result,
nsIStreamLoaderObserver* observer,
nsIRequestObserver* requestObserver = nullptr);
nsresult NS_NewIncrementalStreamLoader(
nsIIncrementalStreamLoader** result,
nsIIncrementalStreamLoaderObserver* observer);
nsresult NS_NewStreamLoaderInternal(
nsIStreamLoader** outStream, nsIURI* aUri,
nsIStreamLoaderObserver* aObserver, nsINode* aLoadingNode,
nsIPrincipal* aLoadingPrincipal, nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType, nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL);
nsresult NS_NewStreamLoader(nsIStreamLoader** outStream, nsIURI* aUri,
nsIStreamLoaderObserver* aObserver,
nsINode* aLoadingNode,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL);
nsresult NS_NewStreamLoader(nsIStreamLoader** outStream, nsIURI* aUri,
nsIStreamLoaderObserver* aObserver,
nsIPrincipal* aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup* aLoadGroup = nullptr,
nsIInterfaceRequestor* aCallbacks = nullptr,
nsLoadFlags aLoadFlags = nsIRequest::LOAD_NORMAL);
nsresult NS_NewSyncStreamListener(nsIStreamListener** result,
nsIInputStream** stream);
/**
* Implement the nsIChannel::Open(nsIInputStream**) method using the channel's
* AsyncOpen method.
*
* NOTE: Reading from the returned nsIInputStream may spin the current
* thread's event queue, which could result in any event being processed.
*/
nsresult NS_ImplementChannelOpen(nsIChannel* channel, nsIInputStream** result);
nsresult NS_NewRequestObserverProxy(nsIRequestObserver** result,
nsIRequestObserver* observer,
nsISupports* context);
nsresult NS_NewSimpleStreamListener(nsIStreamListener** result,
nsIOutputStream* sink,
nsIRequestObserver* observer = nullptr);
nsresult NS_CheckPortSafety(int32_t port, const char* scheme,
nsIIOService* ioService = nullptr);
// Determine if this URI is using a safe port.
nsresult NS_CheckPortSafety(nsIURI* uri);
nsresult NS_NewProxyInfo(const nsACString& type, const nsACString& host,
int32_t port, uint32_t flags, nsIProxyInfo** result);
nsresult NS_GetFileProtocolHandler(nsIFileProtocolHandler** result,
nsIIOService* ioService = nullptr);
nsresult NS_GetFileFromURLSpec(const nsACString& inURL, nsIFile** result,
nsIIOService* ioService = nullptr);
nsresult NS_GetURLSpecFromFile(nsIFile* file, nsACString& url,
nsIIOService* ioService = nullptr);
/**
* Converts the nsIFile to the corresponding URL string.
* Should only be called on files which are not directories,
* is otherwise identical to NS_GetURLSpecFromFile, but is
* usually more efficient.
* Warning: this restriction may not be enforced at runtime!
*/
nsresult NS_GetURLSpecFromActualFile(nsIFile* file, nsACString& url,
nsIIOService* ioService = nullptr);
/**
* Converts the nsIFile to the corresponding URL string.
* Should only be called on files which are directories,
* is otherwise identical to NS_GetURLSpecFromFile, but is
* usually more efficient.
* Warning: this restriction may not be enforced at runtime!
*/
nsresult NS_GetURLSpecFromDir(nsIFile* file, nsACString& url,
nsIIOService* ioService = nullptr);
/**
* Obtains the referrer for a given channel. This first tries to obtain the
* referrer from the property docshell.internalReferrer, and if that doesn't
* work and the channel is an nsIHTTPChannel, we check it's referrer property.
*
*/
void NS_GetReferrerFromChannel(nsIChannel* channel, nsIURI** referrer);
nsresult NS_ParseRequestContentType(const nsACString& rawContentType,
nsCString& contentType,
nsCString& contentCharset);
nsresult NS_ParseResponseContentType(const nsACString& rawContentType,
nsCString& contentType,
nsCString& contentCharset);
nsresult NS_ExtractCharsetFromContentType(const nsACString& rawContentType,
nsCString& contentCharset,
bool* hadCharset,
int32_t* charsetStart,
int32_t* charsetEnd);
nsresult NS_NewLocalFileInputStream(nsIInputStream** result, nsIFile* file,
int32_t ioFlags = -1, int32_t perm = -1,
int32_t behaviorFlags = 0);
mozilla::Result<nsCOMPtr<nsIInputStream>, nsresult> NS_NewLocalFileInputStream(
nsIFile* file, int32_t ioFlags = -1, int32_t perm = -1,
int32_t behaviorFlags = 0);
nsresult NS_NewLocalFileOutputStream(nsIOutputStream** result, nsIFile* file,
int32_t ioFlags = -1, int32_t perm = -1,
int32_t behaviorFlags = 0);
mozilla::Result<nsCOMPtr<nsIOutputStream>, nsresult>
NS_NewLocalFileOutputStream(nsIFile* file, int32_t ioFlags = -1,
int32_t perm = -1, int32_t behaviorFlags = 0);
nsresult NS_NewLocalFileOutputStream(nsIOutputStream** result,
const mozilla::ipc::FileDescriptor& fd);
// returns a file output stream which can be QI'ed to nsISafeOutputStream.
nsresult NS_NewAtomicFileOutputStream(nsIOutputStream** result, nsIFile* file,
int32_t ioFlags = -1, int32_t perm = -1,
int32_t behaviorFlags = 0);
// returns a file output stream which can be QI'ed to nsISafeOutputStream.
nsresult NS_NewSafeLocalFileOutputStream(nsIOutputStream** result,
nsIFile* file, int32_t ioFlags = -1,
int32_t perm = -1,
int32_t behaviorFlags = 0);
nsresult NS_NewLocalFileStream(nsIFileStream** result, nsIFile* file,
int32_t ioFlags = -1, int32_t perm = -1,
int32_t behaviorFlags = 0);
mozilla::Result<nsCOMPtr<nsIFileStream>, nsresult> NS_NewLocalFileStream(
nsIFile* file, int32_t ioFlags = -1, int32_t perm = -1,
int32_t behaviorFlags = 0);
[[nodiscard]] nsresult NS_NewBufferedInputStream(
nsIInputStream** aResult, already_AddRefed<nsIInputStream> aInputStream,
uint32_t aBufferSize);
mozilla::Result<nsCOMPtr<nsIInputStream>, nsresult> NS_NewBufferedInputStream(
already_AddRefed<nsIInputStream> aInputStream, uint32_t aBufferSize);
// note: the resulting stream can be QI'ed to nsISafeOutputStream iff the
// provided stream supports it.
nsresult NS_NewBufferedOutputStream(
nsIOutputStream** aResult, already_AddRefed<nsIOutputStream> aOutputStream,
uint32_t aBufferSize);
/**
* This function reads an inputStream and stores its content into a buffer. In
* general, you should avoid using this function because, it blocks the current
* thread until the operation is done.
* If the inputStream is async, the reading happens on an I/O thread.
*
* @param aInputStream the inputStream.
* @param aDest the destination buffer. if *aDest is null, it will be allocated
* with the size of the written data. if aDest is not null, aCount
* must greater than 0.
* @param aCount the amount of data to read. Use -1 if you want that all the
* stream is read.
* @param aWritten this pointer will be used to store the number of data
* written in the buffer. If you don't need, pass nullptr.
*/
nsresult NS_ReadInputStreamToBuffer(nsIInputStream* aInputStream, void** aDest,
int64_t aCount,
uint64_t* aWritten = nullptr);
/**
* See the comment for NS_ReadInputStreamToBuffer
*/
nsresult NS_ReadInputStreamToString(nsIInputStream* aInputStream,
nsACString& aDest, int64_t aCount,
uint64_t* aWritten = nullptr);
nsresult NS_LoadPersistentPropertiesFromURISpec(
nsIPersistentProperties** outResult, const nsACString& aSpec);
/**
* NS_QueryNotificationCallbacks implements the canonical algorithm for
* querying interfaces from a channel's notification callbacks. It first
* searches the channel's notificationCallbacks attribute, and if the interface
* is not found there, then it inspects the notificationCallbacks attribute of
* the channel's loadGroup.
*
* Note: templatized only because nsIWebSocketChannel is currently not an
* nsIChannel.
*/
template <class T>
inline void NS_QueryNotificationCallbacks(T* channel, const nsIID& iid,
void** result) {
MOZ_ASSERT(channel, "null channel");
*result = nullptr;
nsCOMPtr<nsIInterfaceRequestor> cbs;
mozilla::Unused << channel->GetNotificationCallbacks(getter_AddRefs(cbs));
if (cbs) cbs->GetInterface(iid, result);
if (!*result) {
// try load group's notification callbacks...
nsCOMPtr<nsILoadGroup> loadGroup;
mozilla::Unused << channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup) {
loadGroup->GetNotificationCallbacks(getter_AddRefs(cbs));
if (cbs) cbs->GetInterface(iid, result);
}
}
}
// template helper:
// Note: "class C" templatized only because nsIWebSocketChannel is currently not
// an nsIChannel.
template <class C, class T>
inline void NS_QueryNotificationCallbacks(C* channel, nsCOMPtr<T>& result) {
NS_QueryNotificationCallbacks(channel, NS_GET_TEMPLATE_IID(T),
getter_AddRefs(result));
}
/**
* Alternate form of NS_QueryNotificationCallbacks designed for use by
* nsIChannel implementations.
*/
inline void NS_QueryNotificationCallbacks(nsIInterfaceRequestor* callbacks,
nsILoadGroup* loadGroup,
const nsIID& iid, void** result) {
*result = nullptr;
if (callbacks) callbacks->GetInterface(iid, result);
if (!*result) {
// try load group's notification callbacks...
if (loadGroup) {
nsCOMPtr<nsIInterfaceRequestor> cbs;
loadGroup->GetNotificationCallbacks(getter_AddRefs(cbs));
if (cbs) cbs->GetInterface(iid, result);
}
}
}
/**
* Returns true if channel is using Private Browsing, or false if not.
* Returns false if channel's callbacks don't implement nsILoadContext.
*/
bool NS_UsePrivateBrowsing(nsIChannel* channel);
/**
* Returns true if the channel has visited any cross-origin URLs on any
* URLs that it was redirected through.
*/
bool NS_HasBeenCrossOrigin(nsIChannel* aChannel, bool aReport = false);
/**
* Returns true if the channel has a safe method.
*/
bool NS_IsSafeMethodNav(nsIChannel* aChannel);
// Unique first-party domain for separating the safebrowsing cookie.
// Note if this value is changed, code in test_cookiejars_safebrowsing.js and
// nsUrlClassifierHashCompleter.js should also be changed.
#define NECKO_SAFEBROWSING_FIRST_PARTY_DOMAIN \
"safebrowsing.86868755-6b82-4842-b301-72671a0db32e.mozilla"
// Unique first-party domain for separating about uri.
#define ABOUT_URI_FIRST_PARTY_DOMAIN \
"about.ef2a7dd5-93bc-417f-a698-142c3116864f.mozilla"
/**
* Wraps an nsIAuthPrompt so that it can be used as an nsIAuthPrompt2. This
* method is provided mainly for use by other methods in this file.
*
* *aAuthPrompt2 should be set to null before calling this function.
*/
void NS_WrapAuthPrompt(nsIAuthPrompt* aAuthPrompt,
nsIAuthPrompt2** aAuthPrompt2);
/**
* Gets an auth prompt from an interface requestor. This takes care of wrapping
* an nsIAuthPrompt so that it can be used as an nsIAuthPrompt2.
*/
void NS_QueryAuthPrompt2(nsIInterfaceRequestor* aCallbacks,
nsIAuthPrompt2** aAuthPrompt);
/**
* Gets an nsIAuthPrompt2 from a channel. Use this instead of
* NS_QueryNotificationCallbacks for better backwards compatibility.
*/
void NS_QueryAuthPrompt2(nsIChannel* aChannel, nsIAuthPrompt2** aAuthPrompt);
/* template helper */
template <class T>
inline void NS_QueryNotificationCallbacks(nsIInterfaceRequestor* callbacks,
nsILoadGroup* loadGroup,
nsCOMPtr<T>& result) {
NS_QueryNotificationCallbacks(callbacks, loadGroup, NS_GET_TEMPLATE_IID(T),
getter_AddRefs(result));
}
/* template helper */
template <class T>
inline void NS_QueryNotificationCallbacks(
const nsCOMPtr<nsIInterfaceRequestor>& aCallbacks,
const nsCOMPtr<nsILoadGroup>& aLoadGroup, nsCOMPtr<T>& aResult) {
NS_QueryNotificationCallbacks(aCallbacks.get(), aLoadGroup.get(), aResult);
}
/* template helper */
template <class T>
inline void NS_QueryNotificationCallbacks(const nsCOMPtr<nsIChannel>& aChannel,
nsCOMPtr<T>& aResult) {
NS_QueryNotificationCallbacks(aChannel.get(), aResult);
}
/**
* This function returns a nsIInterfaceRequestor instance that returns the
* same result as NS_QueryNotificationCallbacks when queried. It is useful
* as the value for nsISocketTransport::securityCallbacks.
*/
nsresult NS_NewNotificationCallbacksAggregation(
nsIInterfaceRequestor* callbacks, nsILoadGroup* loadGroup,
nsIEventTarget* target, nsIInterfaceRequestor** result);
nsresult NS_NewNotificationCallbacksAggregation(
nsIInterfaceRequestor* callbacks, nsILoadGroup* loadGroup,
nsIInterfaceRequestor** result);
/**
* Helper function for testing online/offline state of the browser.
*/
bool NS_IsOffline();
/**
* Helper functions for implementing nsINestedURI::innermostURI.
*
* Note that NS_DoImplGetInnermostURI is "private" -- call
* NS_ImplGetInnermostURI instead.
*/
nsresult NS_DoImplGetInnermostURI(nsINestedURI* nestedURI, nsIURI** result);
nsresult NS_ImplGetInnermostURI(nsINestedURI* nestedURI, nsIURI** result);
/**
* Helper function for testing whether the given URI, or any of its
* inner URIs, has all the given protocol flags.
*/
nsresult NS_URIChainHasFlags(nsIURI* uri, uint32_t flags, bool* result);
/**
* Helper function for getting the innermost URI for a given URI. The return
* value could be just the object passed in if it's not a nested URI.
*/
already_AddRefed<nsIURI> NS_GetInnermostURI(nsIURI* aURI);
/**
* Helper function for getting the host name of the innermost URI for a given
* URI. The return value could be the host name of the URI passed in if it's
* not a nested URI.
*/
inline nsresult NS_GetInnermostURIHost(nsIURI* aURI, nsACString& aHost) {
aHost.Truncate();
// This block is optimized in order to avoid the overhead of calling
// NS_GetInnermostURI() which incurs a lot of overhead in terms of
// AddRef/Release calls.
nsCOMPtr<nsINestedURI> nestedURI = do_QueryInterface(aURI);
if (nestedURI) {
// We have a nested URI!
nsCOMPtr<nsIURI> uri;
nsresult rv = nestedURI->GetInnermostURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) {
return rv;
}
rv = uri->GetAsciiHost(aHost);
if (NS_FAILED(rv)) {
return rv;
}
} else {
// We have a non-nested URI!
nsresult rv = aURI->GetAsciiHost(aHost);
if (NS_FAILED(rv)) {
return rv;
}
}
return NS_OK;
}
/**
* Get the "final" URI for a channel. This is either channel's load info
* resultPrincipalURI, if set, or GetOriginalURI. In most cases (but not all)
* load info resultPrincipalURI, if set, corresponds to URI of the channel if
* it's required to represent the actual principal for the channel.
*/
nsresult NS_GetFinalChannelURI(nsIChannel* channel, nsIURI** uri);
// NS_SecurityHashURI must return the same hash value for any two URIs that
// compare equal according to NS_SecurityCompareURIs. Unfortunately, in the
// case of files, it's not clear we can do anything better than returning
// the schemeHash, so hashing files degenerates to storing them in a list.
uint32_t NS_SecurityHashURI(nsIURI* aURI);
bool NS_SecurityCompareURIs(nsIURI* aSourceURI, nsIURI* aTargetURI,
bool aStrictFileOriginPolicy);
bool NS_URIIsLocalFile(nsIURI* aURI);
// When strict file origin policy is enabled, SecurityCompareURIs will fail for
// file URIs that do not point to the same local file. This call provides an
// alternate file-specific origin check that allows target files that are
// contained in the same directory as the source.
//
// https://developer.mozilla.org/en-US/docs/Same-origin_policy_for_file:_URIs
bool NS_RelaxStrictFileOriginPolicy(nsIURI* aTargetURI, nsIURI* aSourceURI,
bool aAllowDirectoryTarget = false);
bool NS_IsInternalSameURIRedirect(nsIChannel* aOldChannel,
nsIChannel* aNewChannel, uint32_t aFlags);
bool NS_IsHSTSUpgradeRedirect(nsIChannel* aOldChannel, nsIChannel* aNewChannel,
uint32_t aFlags);
nsresult NS_LinkRedirectChannels(uint64_t channelId,
nsIParentChannel* parentChannel,
nsIChannel** _result);
/**
* Helper function which checks whether the channel can be
* openend using Open() or has to fall back to opening
* the channel using Open().
*/
nsresult NS_MaybeOpenChannelUsingOpen(nsIChannel* aChannel,
nsIInputStream** aStream);
/**
* Helper function which checks whether the channel can be
* openend using AsyncOpen() or has to fall back to opening
* the channel using AsyncOpen().
*/
nsresult NS_MaybeOpenChannelUsingAsyncOpen(nsIChannel* aChannel,
nsIStreamListener* aListener);
/**
* Returns nsILoadInfo::EMBEDDER_POLICY_REQUIRE_CORP if `aHeader` is
* "require-corp" and nsILoadInfo::EMBEDDER_POLICY_NULL otherwise.
*
* See: https://mikewest.github.io/corpp/#parsing
*/
nsILoadInfo::CrossOriginEmbedderPolicy
NS_GetCrossOriginEmbedderPolicyFromHeader(
const nsACString& aHeader, bool aIsOriginTrialCoepCredentiallessEnabled);
/** Given the first (disposition) token from a Content-Disposition header,
* tell whether it indicates the content is inline or attachment
* @param aDispToken the disposition token from the content-disposition header
*/
uint32_t NS_GetContentDispositionFromToken(const nsAString& aDispToken);
/** Determine the disposition (inline/attachment) of the content based on the
* Content-Disposition header
* @param aHeader the content-disposition header (full value)
* @param aChan the channel the header came from
*/
uint32_t NS_GetContentDispositionFromHeader(const nsACString& aHeader,
nsIChannel* aChan = nullptr);
/** Extracts the filename out of a content-disposition header
* @param aFilename [out] The filename. Can be empty on error.
* @param aDisposition Value of a Content-Disposition header
*/
nsresult NS_GetFilenameFromDisposition(nsAString& aFilename,
const nsACString& aDisposition);
/**
* Make sure Personal Security Manager is initialized
*/
void net_EnsurePSMInit();
/**
* Test whether a URI is "about:blank". |uri| must not be null
*/
bool NS_IsAboutBlank(nsIURI* uri);
/**
* Test whether a URI is "about:srcdoc". |uri| must not be null
*/
bool NS_IsAboutSrcdoc(nsIURI* uri);
nsresult NS_GenerateHostPort(const nsCString& host, int32_t port,
nsACString& hostLine);
/**
* Sniff the content type for a given request or a given buffer.
*
* aSnifferType can be either NS_CONTENT_SNIFFER_CATEGORY or
* NS_DATA_SNIFFER_CATEGORY. The function returns the sniffed content type
* in the aSniffedType argument. This argument will not be modified if the
* content type could not be sniffed.
*/
void NS_SniffContent(const char* aSnifferType, nsIRequest* aRequest,
const uint8_t* aData, uint32_t aLength,
nsACString& aSniffedType);
/**
* Whether the channel was created to load a srcdoc document.
* Note that view-source:about:srcdoc is classified as a srcdoc document by
* this function, which may not be applicable everywhere.
*/
bool NS_IsSrcdocChannel(nsIChannel* aChannel);
/**
* Return true if the given string is a reasonable HTTP header value given the
* definition in RFC 2616 section 4.2. Currently we don't pay the cost to do
* full, sctrict validation here since it would require fulling parsing the
* value.
*/
bool NS_IsReasonableHTTPHeaderValue(const nsACString& aValue);
/**
* Return true if the given string is a valid HTTP token per RFC 2616 section
* 2.2.
*/
bool NS_IsValidHTTPToken(const nsACString& aToken);
/**
* Strip the leading or trailing HTTP whitespace per fetch spec section 2.2.
*/
void NS_TrimHTTPWhitespace(const nsACString& aSource, nsACString& aDest);
/**
* Return true if the given request must be upgraded to HTTPS.
* If |aResultCallback| is provided and the storage is not ready to read, the
* result will be sent back through the callback and |aWillCallback| will be
* true. Otherwiew, the result will be set to |aShouldUpgrade| and
* |aWillCallback| is false.
*/
nsresult NS_ShouldSecureUpgrade(
nsIURI* aURI, nsILoadInfo* aLoadInfo, nsIPrincipal* aChannelResultPrincipal,
bool aAllowSTS, const mozilla::OriginAttributes& aOriginAttributes,
bool& aShouldUpgrade, std::function<void(bool, nsresult)>&& aResultCallback,
bool& aWillCallback);
/**
* Returns an https URI for channels that need to go through secure upgrades.
*/
nsresult NS_GetSecureUpgradedURI(nsIURI* aURI, nsIURI** aUpgradedURI);
nsresult NS_CompareLoadInfoAndLoadContext(nsIChannel* aChannel);
/**
* Return true if this channel should be classified by the URL classifier.
*/
bool NS_ShouldClassifyChannel(nsIChannel* aChannel);
/**
* Helper to set the blocking reason on loadinfo of the channel.
*/
nsresult NS_SetRequestBlockingReason(nsIChannel* channel, uint32_t reason);
nsresult NS_SetRequestBlockingReason(nsILoadInfo* loadInfo, uint32_t reason);
nsresult NS_SetRequestBlockingReasonIfNull(nsILoadInfo* loadInfo,
uint32_t reason);
namespace mozilla {
namespace net {
const static uint64_t kJS_MAX_SAFE_UINTEGER = +9007199254740991ULL;
const static int64_t kJS_MIN_SAFE_INTEGER = -9007199254740991LL;
const static int64_t kJS_MAX_SAFE_INTEGER = +9007199254740991LL;
// Make sure a 64bit value can be captured by JS MAX_SAFE_INTEGER
bool InScriptableRange(int64_t val);
// Make sure a 64bit value can be captured by JS MAX_SAFE_INTEGER
bool InScriptableRange(uint64_t val);
/**
* Given the value of a single header field (such as
* Content-Disposition and Content-Type) and the name of a parameter
* (e.g. filename, name, charset), returns the value of the parameter.
* See nsIMIMEHeaderParam.idl for more information.
*
* @param aHeaderVal a header string to get the value of a parameter
* from.
* @param aParamName the name of a MIME header parameter (e.g.
* filename, name, charset). If empty or nullptr,
* returns the first (possibly) _unnamed_ 'parameter'.
* @return the value of <code>aParamName</code> in Unichar(UTF-16).
*/
nsresult GetParameterHTTP(const nsACString& aHeaderVal, const char* aParamName,
nsAString& aResult);
/**
* Helper function that determines if channel is an HTTP POST.
*
* @param aChannel
* The channel to test
*
* @return True if channel is an HTTP post.
*/
bool ChannelIsPost(nsIChannel* aChannel);
/**
* Convenience functions for verifying nsIURI schemes. These functions simply
* wrap aURI->SchemeIs(), but specify the protocol as part of the function name.
*/
bool SchemeIsHTTP(nsIURI* aURI);
bool SchemeIsHTTPS(nsIURI* aURI);
bool SchemeIsJavascript(nsIURI* aURI);
bool SchemeIsChrome(nsIURI* aURI);
bool SchemeIsAbout(nsIURI* aURI);
bool SchemeIsBlob(nsIURI* aURI);
bool SchemeIsFile(nsIURI* aURI);
bool SchemeIsData(nsIURI* aURI);
bool SchemeIsViewSource(nsIURI* aURI);
bool SchemeIsResource(nsIURI* aURI);
bool SchemeIsFTP(nsIURI* aURI);
struct LinkHeader {
nsString mHref;
nsString mRel;
nsString mTitle;
nsString mIntegrity;
nsString mSrcset;
nsString mSizes;
nsString mType;
nsString mMedia;
nsString mAnchor;
nsString mCrossOrigin;
nsString mReferrerPolicy;
nsString mAs;
LinkHeader();
void Reset();
nsresult NewResolveHref(nsIURI** aOutURI, nsIURI* aBaseURI) const;
bool operator==(const LinkHeader& rhs) const;
};
nsTArray<LinkHeader> ParseLinkHeader(const nsAString& aLinkData);
enum ASDestination : uint8_t {
DESTINATION_INVALID,
DESTINATION_AUDIO,
DESTINATION_DOCUMENT,
DESTINATION_EMBED,
DESTINATION_FONT,
DESTINATION_IMAGE,
DESTINATION_MANIFEST,
DESTINATION_OBJECT,
DESTINATION_REPORT,
DESTINATION_SCRIPT,
DESTINATION_SERVICEWORKER,
DESTINATION_SHAREDWORKER,
DESTINATION_STYLE,
DESTINATION_TRACK,
DESTINATION_VIDEO,
DESTINATION_WORKER,
DESTINATION_XSLT,
DESTINATION_FETCH
};
void ParseAsValue(const nsAString& aValue, nsAttrValue& aResult);
nsContentPolicyType AsValueToContentPolicy(const nsAttrValue& aValue);
bool CheckPreloadAttrs(const nsAttrValue& aAs, const nsAString& aType,
const nsAString& aMedia,
mozilla::dom::Document* aDocument);
void WarnIgnoredPreload(const mozilla::dom::Document&, nsIURI&);
/**
* Returns true if the |aInput| in is part of the root domain of |aHost|.
* For example, if |aInput| is "www.mozilla.org", and we pass in
* "mozilla.org" as |aHost|, this will return true. It would return false
* the other way around.
*
* @param aInput The host to be analyzed.
* @param aHost The host to compare to.
*/
nsresult HasRootDomain(const nsACString& aInput, const nsACString& aHost,
bool* aResult);
void CheckForBrokenChromeURL(nsILoadInfo* aLoadInfo, nsIURI* aURI);
bool IsCoepCredentiallessEnabled(bool aIsOriginTrialCoepCredentiallessEnabled);
} // namespace net
} // namespace mozilla
#endif // !nsNetUtil_h__
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