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-rw-r--r--netwerk/base/nsStandardURL.h626
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diff --git a/netwerk/base/nsStandardURL.h b/netwerk/base/nsStandardURL.h
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+++ b/netwerk/base/nsStandardURL.h
@@ -0,0 +1,626 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsStandardURL_h__
+#define nsStandardURL_h__
+
+#include <bitset>
+
+#include "nsString.h"
+#include "nsISerializable.h"
+#include "nsIFileURL.h"
+#include "nsIStandardURL.h"
+#include "mozilla/Encoding.h"
+#include "nsCOMPtr.h"
+#include "nsURLHelper.h"
+#include "nsISizeOf.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/LinkedList.h"
+#include "mozilla/MemoryReporting.h"
+#include "nsISensitiveInfoHiddenURI.h"
+#include "nsIURIMutator.h"
+
+#ifdef NS_BUILD_REFCNT_LOGGING
+# define DEBUG_DUMP_URLS_AT_SHUTDOWN
+#endif
+
+class nsIBinaryInputStream;
+class nsIBinaryOutputStream;
+class nsIIDNService;
+class nsIPrefBranch;
+class nsIFile;
+class nsIURLParser;
+
+namespace mozilla {
+class Encoding;
+namespace net {
+
+template <typename T>
+class URLSegmentNumber {
+ T mData{0};
+ bool mParity{false};
+
+ public:
+ URLSegmentNumber() = default;
+ explicit URLSegmentNumber(T data) : mData(data) {
+ mParity = CalculateParity();
+ }
+ bool operator==(URLSegmentNumber value) const { return mData == value.mData; }
+ bool operator!=(URLSegmentNumber value) const { return mData != value.mData; }
+ bool operator>(URLSegmentNumber value) const { return mData > value.mData; }
+ URLSegmentNumber operator+(int32_t value) const {
+ return URLSegmentNumber(mData + value);
+ }
+ URLSegmentNumber operator+(uint32_t value) const {
+ return URLSegmentNumber(mData + value);
+ }
+ URLSegmentNumber operator-(int32_t value) const {
+ return URLSegmentNumber(mData - value);
+ }
+ URLSegmentNumber operator-(uint32_t value) const {
+ return URLSegmentNumber(mData - value);
+ }
+ URLSegmentNumber operator+=(URLSegmentNumber value) {
+ mData += value.mData;
+ mParity = CalculateParity();
+ return *this;
+ }
+ URLSegmentNumber operator+=(T value) {
+ mData += value;
+ mParity = CalculateParity();
+ return *this;
+ }
+ URLSegmentNumber operator-=(URLSegmentNumber value) {
+ mData -= value.mData;
+ mParity = CalculateParity();
+ return *this;
+ }
+ URLSegmentNumber operator-=(T value) {
+ mData -= value;
+ mParity = CalculateParity();
+ return *this;
+ }
+ operator T() const { return mData; }
+ URLSegmentNumber& operator=(T value) {
+ mData = value;
+ mParity = CalculateParity();
+ return *this;
+ }
+ URLSegmentNumber& operator++() {
+ ++mData;
+ mParity = CalculateParity();
+ return *this;
+ }
+ URLSegmentNumber operator++(int) {
+ URLSegmentNumber value = *this;
+ *this += 1;
+ return value;
+ }
+ bool CalculateParity() const {
+ std::bitset<32> bits((uint32_t)mData);
+ return bits.count() % 2 == 0 ? false : true;
+ }
+ bool Parity() const { return mParity; }
+};
+
+//-----------------------------------------------------------------------------
+// standard URL implementation
+//-----------------------------------------------------------------------------
+
+class nsStandardURL : public nsIFileURL,
+ public nsIStandardURL,
+ public nsISerializable,
+ public nsISizeOf,
+ public nsISensitiveInfoHiddenURI
+#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
+ ,
+ public LinkedListElement<nsStandardURL>
+#endif
+{
+ protected:
+ virtual ~nsStandardURL();
+ explicit nsStandardURL(bool aSupportsFileURL = false, bool aTrackURL = true);
+
+ public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIURI
+ NS_DECL_NSIURL
+ NS_DECL_NSIFILEURL
+ NS_DECL_NSISTANDARDURL
+ NS_DECL_NSISERIALIZABLE
+ NS_DECL_NSISENSITIVEINFOHIDDENURI
+
+ // nsISizeOf
+ virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
+ virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
+
+ static void InitGlobalObjects();
+ static void ShutdownGlobalObjects();
+
+ public: /* internal -- HPUX compiler can't handle this being private */
+ //
+ // location and length of an url segment relative to mSpec
+ //
+ struct URLSegment {
+#ifdef EARLY_BETA_OR_EARLIER
+ URLSegmentNumber<uint32_t> mPos{0};
+ URLSegmentNumber<int32_t> mLen{-1};
+#else
+ uint32_t mPos{0};
+ int32_t mLen{-1};
+#endif
+
+ URLSegment() = default;
+ URLSegment(uint32_t pos, int32_t len) : mPos(pos), mLen(len) {}
+ URLSegment(const URLSegment& aCopy) = default;
+ void Reset() {
+ mPos = 0;
+ mLen = -1;
+ }
+ // Merge another segment following this one to it if they're contiguous
+ // Assumes we have something like "foo;bar" where this object is 'foo' and
+ // right is 'bar'.
+ void Merge(const nsCString& spec, const char separator,
+ const URLSegment& right) {
+ if (mLen >= 0 && *(spec.get() + mPos + mLen) == separator &&
+ mPos + mLen + 1 == right.mPos) {
+ mLen += 1 + right.mLen;
+ }
+ }
+ };
+
+ //
+ // URL segment encoder : performs charset conversion and URL escaping.
+ //
+ class nsSegmentEncoder {
+ public:
+ explicit nsSegmentEncoder(const Encoding* encoding = nullptr);
+
+ // Encode the given segment if necessary, and return the length of
+ // the encoded segment. The encoded segment is appended to |aOut|
+ // if and only if encoding is required.
+ int32_t EncodeSegmentCount(const char* str, const URLSegment& aSeg,
+ int16_t mask, nsCString& aOut, bool& appended,
+ uint32_t extraLen = 0);
+
+ // Encode the given string if necessary, and return a reference to
+ // the encoded string. Returns a reference to |result| if encoding
+ // is required. Otherwise, a reference to |str| is returned.
+ const nsACString& EncodeSegment(const nsACString& str, int16_t mask,
+ nsCString& result);
+
+ private:
+ const Encoding* mEncoding;
+ };
+ friend class nsSegmentEncoder;
+
+ static nsresult NormalizeIPv4(const nsACString& host, nsCString& result);
+
+ protected:
+ // enum used in a few places to specify how .ref attribute should be handled
+ enum RefHandlingEnum { eIgnoreRef, eHonorRef, eReplaceRef };
+
+ // Helper to share code between Equals and EqualsExceptRef
+ // NOTE: *not* virtual, because no one needs to override this so far...
+ nsresult EqualsInternal(nsIURI* unknownOther, RefHandlingEnum refHandlingMode,
+ bool* result);
+
+ virtual nsStandardURL* StartClone();
+
+ // Helper to share code between Clone methods.
+ nsresult CloneInternal(RefHandlingEnum aRefHandlingMode,
+ const nsACString& aNewRef, nsIURI** aClone);
+ // Helper method that copies member variables from the source StandardURL
+ // if copyCached = true, it will also copy mFile and mDisplayHost
+ nsresult CopyMembers(nsStandardURL* source, RefHandlingEnum mode,
+ const nsACString& newRef, bool copyCached = false);
+
+ // Helper for subclass implementation of GetFile(). Subclasses that map
+ // URIs to files in a special way should implement this method. It should
+ // ensure that our mFile is initialized, if it's possible.
+ // returns NS_ERROR_NO_INTERFACE if the url does not map to a file
+ virtual nsresult EnsureFile();
+
+ virtual nsresult Clone(nsIURI** aURI);
+ virtual nsresult SetSpecInternal(const nsACString& input);
+ virtual nsresult SetScheme(const nsACString& input);
+ virtual nsresult SetUserPass(const nsACString& input);
+ virtual nsresult SetUsername(const nsACString& input);
+ virtual nsresult SetPassword(const nsACString& input);
+ virtual nsresult SetHostPort(const nsACString& aValue);
+ virtual nsresult SetHost(const nsACString& input);
+ virtual nsresult SetPort(int32_t port);
+ virtual nsresult SetPathQueryRef(const nsACString& input);
+ virtual nsresult SetRef(const nsACString& input);
+ virtual nsresult SetFilePath(const nsACString& input);
+ virtual nsresult SetQuery(const nsACString& input);
+ virtual nsresult SetQueryWithEncoding(const nsACString& input,
+ const Encoding* encoding);
+ bool Deserialize(const mozilla::ipc::URIParams&);
+ nsresult ReadPrivate(nsIObjectInputStream* stream);
+
+ private:
+ nsresult Init(uint32_t urlType, int32_t defaultPort, const nsACString& spec,
+ const char* charset, nsIURI* baseURI);
+ nsresult SetDefaultPort(int32_t aNewDefaultPort);
+ nsresult SetFile(nsIFile* file);
+
+ nsresult SetFileNameInternal(const nsACString& input);
+ nsresult SetFileBaseNameInternal(const nsACString& input);
+ nsresult SetFileExtensionInternal(const nsACString& input);
+
+ int32_t Port() { return mPort == -1 ? mDefaultPort : mPort; }
+
+ void ReplacePortInSpec(int32_t aNewPort);
+ void Clear();
+ void InvalidateCache(bool invalidateCachedFile = true);
+
+ bool ValidIPv6orHostname(const char* host, uint32_t length);
+ static bool IsValidOfBase(unsigned char c, const uint32_t base);
+ nsresult NormalizeIDN(const nsCString& host, nsCString& result);
+ nsresult CheckIfHostIsAscii();
+ void CoalescePath(netCoalesceFlags coalesceFlag, char* path);
+
+ uint32_t AppendSegmentToBuf(char*, uint32_t, const char*,
+ const URLSegment& input, URLSegment& output,
+ const nsCString* esc = nullptr,
+ bool useEsc = false, int32_t* diff = nullptr);
+ uint32_t AppendToBuf(char*, uint32_t, const char*, uint32_t);
+
+ nsresult BuildNormalizedSpec(const char* spec, const Encoding* encoding);
+ nsresult SetSpecWithEncoding(const nsACString& input,
+ const Encoding* encoding);
+
+ bool SegmentIs(const URLSegment& seg, const char* val,
+ bool ignoreCase = false);
+ bool SegmentIs(const char* spec, const URLSegment& seg, const char* val,
+ bool ignoreCase = false);
+ bool SegmentIs(const URLSegment& seg1, const char* val,
+ const URLSegment& seg2, bool ignoreCase = false);
+
+ int32_t ReplaceSegment(uint32_t pos, uint32_t len, const char* val,
+ uint32_t valLen);
+ int32_t ReplaceSegment(uint32_t pos, uint32_t len, const nsACString& val);
+
+ nsresult ParseURL(const char* spec, int32_t specLen);
+ nsresult ParsePath(const char* spec, uint32_t pathPos, int32_t pathLen = -1);
+
+ char* AppendToSubstring(uint32_t pos, int32_t len, const char* tail);
+
+ // dependent substring helpers
+ nsDependentCSubstring Segment(uint32_t pos, int32_t len); // see below
+ nsDependentCSubstring Segment(const URLSegment& s) {
+ return Segment(s.mPos, s.mLen);
+ }
+
+ // dependent substring getters
+ nsDependentCSubstring Prepath(); // see below
+ nsDependentCSubstring Scheme() { return Segment(mScheme); }
+ nsDependentCSubstring Userpass(bool includeDelim = false); // see below
+ nsDependentCSubstring Username() { return Segment(mUsername); }
+ nsDependentCSubstring Password() { return Segment(mPassword); }
+ nsDependentCSubstring Hostport(); // see below
+ nsDependentCSubstring Host(); // see below
+ nsDependentCSubstring Path() { return Segment(mPath); }
+ nsDependentCSubstring Filepath() { return Segment(mFilepath); }
+ nsDependentCSubstring Directory() { return Segment(mDirectory); }
+ nsDependentCSubstring Filename(); // see below
+ nsDependentCSubstring Basename() { return Segment(mBasename); }
+ nsDependentCSubstring Extension() { return Segment(mExtension); }
+ nsDependentCSubstring Query() { return Segment(mQuery); }
+ nsDependentCSubstring Ref() { return Segment(mRef); }
+
+ // shift the URLSegments to the right by diff
+ void ShiftFromAuthority(int32_t diff);
+ void ShiftFromUsername(int32_t diff);
+ void ShiftFromPassword(int32_t diff);
+ void ShiftFromHost(int32_t diff);
+ void ShiftFromPath(int32_t diff);
+ void ShiftFromFilepath(int32_t diff);
+ void ShiftFromDirectory(int32_t diff);
+ void ShiftFromBasename(int32_t diff);
+ void ShiftFromExtension(int32_t diff);
+ void ShiftFromQuery(int32_t diff);
+ void ShiftFromRef(int32_t diff);
+
+ // fastload helper functions
+ nsresult ReadSegment(nsIBinaryInputStream*, URLSegment&);
+ nsresult WriteSegment(nsIBinaryOutputStream*, const URLSegment&);
+
+ void FindHostLimit(nsACString::const_iterator& aStart,
+ nsACString::const_iterator& aEnd);
+
+ // Asserts that the URL has sane values
+ void SanityCheck();
+
+ // Checks if the URL has a valid representation.
+ bool IsValid();
+
+ // mSpec contains the normalized version of the URL spec (UTF-8 encoded).
+ nsCString mSpec;
+ int32_t mDefaultPort{-1};
+ int32_t mPort{-1};
+
+ // url parts (relative to mSpec)
+ URLSegment mScheme;
+ URLSegment mAuthority;
+ URLSegment mUsername;
+ URLSegment mPassword;
+ URLSegment mHost;
+ URLSegment mPath;
+ URLSegment mFilepath;
+ URLSegment mDirectory;
+ URLSegment mBasename;
+ URLSegment mExtension;
+ URLSegment mQuery;
+ URLSegment mRef;
+
+ nsCOMPtr<nsIURLParser> mParser;
+
+ // mFile is protected so subclasses can access it directly
+ protected:
+ nsCOMPtr<nsIFile> mFile; // cached result for nsIFileURL::GetFile
+
+ private:
+ // cached result for nsIURI::GetDisplayHost
+ nsCString mDisplayHost;
+
+ enum { eEncoding_Unknown, eEncoding_ASCII, eEncoding_UTF8 };
+
+ uint32_t mURLType : 2; // nsIStandardURL::URLTYPE_xxx
+ uint32_t mSupportsFileURL : 1; // QI to nsIFileURL?
+ uint32_t mCheckedIfHostA : 1; // If set to true, it means either that
+ // mDisplayHost has a been initialized, or
+ // that the hostname is not punycode
+
+ // global objects.
+ static StaticRefPtr<nsIIDNService> gIDN;
+ static const char gHostLimitDigits[];
+
+ public:
+#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
+ void PrintSpec() const { printf(" %s\n", mSpec.get()); }
+#endif
+
+ public:
+ // We make this implementation a template so that we can avoid writing
+ // the same code for SubstitutingURL (which extends nsStandardURL)
+ template <class T>
+ class TemplatedMutator : public nsIURIMutator,
+ public BaseURIMutator<T>,
+ public nsIStandardURLMutator,
+ public nsIURLMutator,
+ public nsIFileURLMutator,
+ public nsISerializable {
+ NS_FORWARD_SAFE_NSIURISETTERS_RET(BaseURIMutator<T>::mURI)
+
+ [[nodiscard]] NS_IMETHOD Deserialize(
+ const mozilla::ipc::URIParams& aParams) override {
+ return BaseURIMutator<T>::InitFromIPCParams(aParams);
+ }
+
+ NS_IMETHOD
+ Write(nsIObjectOutputStream* aOutputStream) override {
+ MOZ_ASSERT_UNREACHABLE("Use nsIURIMutator.read() instead");
+ return NS_ERROR_NOT_IMPLEMENTED;
+ }
+
+ [[nodiscard]] NS_IMETHOD Read(nsIObjectInputStream* aStream) override {
+ return BaseURIMutator<T>::InitFromInputStream(aStream);
+ }
+
+ [[nodiscard]] NS_IMETHOD Finalize(nsIURI** aURI) override {
+ BaseURIMutator<T>::mURI.forget(aURI);
+ return NS_OK;
+ }
+
+ [[nodiscard]] NS_IMETHOD SetSpec(const nsACString& aSpec,
+ nsIURIMutator** aMutator) override {
+ if (aMutator) {
+ nsCOMPtr<nsIURIMutator> mutator = this;
+ mutator.forget(aMutator);
+ }
+ return BaseURIMutator<T>::InitFromSpec(aSpec);
+ }
+
+ [[nodiscard]] NS_IMETHOD Init(uint32_t aURLType, int32_t aDefaultPort,
+ const nsACString& aSpec, const char* aCharset,
+ nsIURI* aBaseURI,
+ nsIURIMutator** aMutator) override {
+ if (aMutator) {
+ nsCOMPtr<nsIURIMutator> mutator = this;
+ mutator.forget(aMutator);
+ }
+ RefPtr<T> uri;
+ if (BaseURIMutator<T>::mURI) {
+ // We don't need a new URI object if we already have one
+ BaseURIMutator<T>::mURI.swap(uri);
+ } else {
+ uri = Create();
+ }
+ nsresult rv =
+ uri->Init(aURLType, aDefaultPort, aSpec, aCharset, aBaseURI);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ BaseURIMutator<T>::mURI = std::move(uri);
+ return NS_OK;
+ }
+
+ [[nodiscard]] NS_IMETHODIMP SetDefaultPort(
+ int32_t aNewDefaultPort, nsIURIMutator** aMutator) override {
+ if (!BaseURIMutator<T>::mURI) {
+ return NS_ERROR_NULL_POINTER;
+ }
+ if (aMutator) {
+ nsCOMPtr<nsIURIMutator> mutator = this;
+ mutator.forget(aMutator);
+ }
+ return BaseURIMutator<T>::mURI->SetDefaultPort(aNewDefaultPort);
+ }
+
+ [[nodiscard]] NS_IMETHOD SetFileName(const nsACString& aFileName,
+ nsIURIMutator** aMutator) override {
+ if (!BaseURIMutator<T>::mURI) {
+ return NS_ERROR_NULL_POINTER;
+ }
+ if (aMutator) {
+ nsCOMPtr<nsIURIMutator> mutator = this;
+ mutator.forget(aMutator);
+ }
+ return BaseURIMutator<T>::mURI->SetFileNameInternal(aFileName);
+ }
+
+ [[nodiscard]] NS_IMETHOD SetFileBaseName(
+ const nsACString& aFileBaseName, nsIURIMutator** aMutator) override {
+ if (!BaseURIMutator<T>::mURI) {
+ return NS_ERROR_NULL_POINTER;
+ }
+ if (aMutator) {
+ nsCOMPtr<nsIURIMutator> mutator = this;
+ mutator.forget(aMutator);
+ }
+ return BaseURIMutator<T>::mURI->SetFileBaseNameInternal(aFileBaseName);
+ }
+
+ [[nodiscard]] NS_IMETHOD SetFileExtension(
+ const nsACString& aFileExtension, nsIURIMutator** aMutator) override {
+ if (!BaseURIMutator<T>::mURI) {
+ return NS_ERROR_NULL_POINTER;
+ }
+ if (aMutator) {
+ nsCOMPtr<nsIURIMutator> mutator = this;
+ mutator.forget(aMutator);
+ }
+ return BaseURIMutator<T>::mURI->SetFileExtensionInternal(aFileExtension);
+ }
+
+ T* Create() override { return new T(mMarkedFileURL); }
+
+ [[nodiscard]] NS_IMETHOD MarkFileURL() override {
+ mMarkedFileURL = true;
+ return NS_OK;
+ }
+
+ [[nodiscard]] NS_IMETHOD SetFile(nsIFile* aFile) override {
+ RefPtr<T> uri;
+ if (BaseURIMutator<T>::mURI) {
+ // We don't need a new URI object if we already have one
+ BaseURIMutator<T>::mURI.swap(uri);
+ } else {
+ uri = new T(/* aSupportsFileURL = */ true);
+ }
+
+ nsresult rv = uri->SetFile(aFile);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ BaseURIMutator<T>::mURI.swap(uri);
+ return NS_OK;
+ }
+
+ explicit TemplatedMutator() = default;
+
+ private:
+ virtual ~TemplatedMutator() = default;
+
+ bool mMarkedFileURL = false;
+
+ friend T;
+ };
+
+ class Mutator final : public TemplatedMutator<nsStandardURL> {
+ NS_DECL_ISUPPORTS
+ public:
+ explicit Mutator() = default;
+
+ private:
+ virtual ~Mutator() = default;
+ };
+
+ friend BaseURIMutator<nsStandardURL>;
+};
+
+#define NS_THIS_STANDARDURL_IMPL_CID \
+ { /* b8e3e97b-1ccd-4b45-af5a-79596770f5d7 */ \
+ 0xb8e3e97b, 0x1ccd, 0x4b45, { \
+ 0xaf, 0x5a, 0x79, 0x59, 0x67, 0x70, 0xf5, 0xd7 \
+ } \
+ }
+
+//-----------------------------------------------------------------------------
+// Dependent substring getters
+//-----------------------------------------------------------------------------
+
+inline nsDependentCSubstring nsStandardURL::Segment(uint32_t pos, int32_t len) {
+ if (len < 0) {
+ pos = 0;
+ len = 0;
+ }
+ return Substring(mSpec, pos, uint32_t(len));
+}
+
+inline nsDependentCSubstring nsStandardURL::Prepath() {
+ uint32_t len = 0;
+ if (mAuthority.mLen >= 0) len = mAuthority.mPos + mAuthority.mLen;
+ return Substring(mSpec, 0, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Userpass(bool includeDelim) {
+ uint32_t pos = 0, len = 0;
+ if (mUsername.mLen > 0 || mPassword.mLen > 0) {
+ if (mUsername.mLen > 0) {
+ pos = mUsername.mPos;
+ len = mUsername.mLen;
+ if (mPassword.mLen >= 0) {
+ len += (mPassword.mLen + 1);
+ }
+ } else {
+ pos = mPassword.mPos - 1;
+ len = mPassword.mLen + 1;
+ }
+
+ if (includeDelim) len++;
+ }
+ return Substring(mSpec, pos, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Hostport() {
+ uint32_t pos = 0, len = 0;
+ if (mAuthority.mLen > 0) {
+ pos = mHost.mPos;
+ len = mAuthority.mPos + mAuthority.mLen - pos;
+ }
+ return Substring(mSpec, pos, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Host() {
+ uint32_t pos = 0, len = 0;
+ if (mHost.mLen > 0) {
+ pos = mHost.mPos;
+ len = mHost.mLen;
+ if (mSpec.CharAt(pos) == '[' && mSpec.CharAt(pos + len - 1) == ']') {
+ pos++;
+ len -= 2;
+ }
+ }
+ return Substring(mSpec, pos, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Filename() {
+ uint32_t pos = 0, len = 0;
+ // if there is no basename, then there can be no extension
+ if (mBasename.mLen > 0) {
+ pos = mBasename.mPos;
+ len = mBasename.mLen;
+ if (mExtension.mLen >= 0) len += (mExtension.mLen + 1);
+ }
+ return Substring(mSpec, pos, len);
+}
+
+} // namespace net
+} // namespace mozilla
+
+#endif // nsStandardURL_h__