/* -*- 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 #include "mozilla/Maybe.h" #include "mozilla/ResultExtensions.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" 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; namespace dom { class ClientInfo; class PerformanceStorage; class ServiceWorkerDescriptor; } // namespace dom namespace ipc { class FileDescriptor; } // namespace ipc } // namespace mozilla template class nsCOMPtr; template struct already_AddRefed; already_AddRefed do_GetIOService(nsresult* error = nullptr); already_AddRefed do_GetNetUtil(nsresult* error = nullptr); // private little helper function... don't call this directly! nsresult net_EnsureIOService(nsIIOService** ios, nsCOMPtr& grip); nsresult NS_NewURI(nsIURI** result, const nsACString& spec, const char* charset = nullptr, nsIURI* baseURI = nullptr); nsresult NS_NewURI(nsIURI** result, const nsACString& spec, mozilla::NotNull 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 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 // 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& aLoadingClientInfo, const mozilla::Maybe& 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); // 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& 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); // 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); // 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& 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); 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 aStream, const nsACString& aContentType, const nsACString& aContentCharset, nsILoadInfo* aLoadInfo); nsresult NS_NewInputStreamChannelInternal( nsIChannel** outChannel, nsIURI* aUri, already_AddRefed 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 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 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, 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, 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, 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 aInputStream, uint32_t aBufferSize); mozilla::Result, nsresult> NS_NewBufferedInputStream( already_AddRefed 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 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 inline void NS_QueryNotificationCallbacks(T* channel, const nsIID& iid, void** result) { MOZ_ASSERT(channel, "null channel"); *result = nullptr; nsCOMPtr cbs; mozilla::Unused << channel->GetNotificationCallbacks(getter_AddRefs(cbs)); if (cbs) cbs->GetInterface(iid, result); if (!*result) { // try load group's notification callbacks... nsCOMPtr 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 inline void NS_QueryNotificationCallbacks(C* channel, nsCOMPtr& 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 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" /** * Determines whether appcache should be checked for a given principal. */ bool NS_ShouldCheckAppCache(nsIPrincipal* aPrincipal); /** * 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 inline void NS_QueryNotificationCallbacks(nsIInterfaceRequestor* callbacks, nsILoadGroup* loadGroup, nsCOMPtr& result) { NS_QueryNotificationCallbacks(callbacks, loadGroup, NS_GET_TEMPLATE_IID(T), getter_AddRefs(result)); } /* template helper */ template inline void NS_QueryNotificationCallbacks( const nsCOMPtr& aCallbacks, const nsCOMPtr& aLoadGroup, nsCOMPtr& aResult) { NS_QueryNotificationCallbacks(aCallbacks.get(), aLoadGroup.get(), aResult); } /* template helper */ template inline void NS_QueryNotificationCallbacks(const nsCOMPtr& aChannel, nsCOMPtr& 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 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 nestedURI = do_QueryInterface(aURI); if (nestedURI) { // We have a nested URI! nsCOMPtr 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); /** 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); 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 aPrivateBrowsing, bool aAllowSTS, const mozilla::OriginAttributes& aOriginAttributes, bool& aShouldUpgrade, std::function&& 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 aParamName 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); } // namespace net } // namespace mozilla #endif // !nsNetUtil_h__