forked from mirrors/gecko-dev
4036 lines
116 KiB
C++
4036 lines
116 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=4 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ipc/IPCMessageUtils.h"
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#include "nsASCIIMask.h"
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#include "nsStandardURL.h"
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#include "nsCRT.h"
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#include "nsEscape.h"
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#include "nsIFile.h"
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#include "nsIObjectInputStream.h"
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#include "nsIObjectOutputStream.h"
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#include "nsIIDNService.h"
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#include "mozilla/Logging.h"
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#include "nsIURLParser.h"
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#include "nsPrintfCString.h"
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#include "nsNetCID.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "mozilla/ScopeExit.h"
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#include "mozilla/StaticPrefs_network.h"
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#include "mozilla/TextUtils.h"
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#include <algorithm>
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#include "nsContentUtils.h"
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#include "prprf.h"
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#include "nsReadableUtils.h"
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#include "mozilla/net/MozURL_ffi.h"
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#include "mozilla/TextUtils.h"
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#include "mozilla/Utf8.h"
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#include "nsIClassInfoImpl.h"
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#include <string.h>
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//
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// setenv MOZ_LOG nsStandardURL:5
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//
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static mozilla::LazyLogModule gStandardURLLog("nsStandardURL");
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// The Chromium code defines its own LOG macro which we don't want
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#undef LOG
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#define LOG(args) MOZ_LOG(gStandardURLLog, LogLevel::Debug, args)
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#undef LOG_ENABLED
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#define LOG_ENABLED() MOZ_LOG_TEST(gStandardURLLog, LogLevel::Debug)
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using namespace mozilla::ipc;
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namespace mozilla {
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namespace net {
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static NS_DEFINE_CID(kThisImplCID, NS_THIS_STANDARDURL_IMPL_CID);
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// This will always be initialized and destroyed on the main thread, but
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// can be safely used on other threads.
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StaticRefPtr<nsIIDNService> nsStandardURL::gIDN;
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// This value will only be updated on the main thread once.
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static Atomic<bool, Relaxed> gInitialized{false};
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const char nsStandardURL::gHostLimitDigits[] = {'/', '\\', '?', '#', 0};
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// Invalid host characters
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// Note that the array below will be initialized at compile time,
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// so we do not need to "optimize" TestForInvalidHostCharacters.
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//
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constexpr bool TestForInvalidHostCharacters(char c) {
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// Testing for these:
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// CONTROL_CHARACTERS " #/:?@[\\]*<>|\"";
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return (c > 0 && c < 32) || // The control characters are [1, 31]
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c == 0x7F || // // DEL (delete)
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c == ' ' || c == '#' || c == '/' || c == ':' || c == '?' || c == '@' ||
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c == '[' || c == '\\' || c == ']' || c == '*' || c == '<' ||
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c == '^' ||
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#if defined(MOZ_THUNDERBIRD) || defined(MOZ_SUITE)
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// Mailnews %-escapes file paths into URLs.
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c == '>' || c == '|' || c == '"';
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#else
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c == '>' || c == '|' || c == '"' || c == '%';
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#endif
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}
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constexpr ASCIIMaskArray sInvalidHostChars =
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CreateASCIIMask(TestForInvalidHostCharacters);
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//----------------------------------------------------------------------------
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// nsStandardURL::nsSegmentEncoder
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//----------------------------------------------------------------------------
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nsStandardURL::nsSegmentEncoder::nsSegmentEncoder(const Encoding* encoding)
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: mEncoding(encoding) {
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if (mEncoding == UTF_8_ENCODING) {
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mEncoding = nullptr;
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}
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}
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int32_t nsStandardURL::nsSegmentEncoder::EncodeSegmentCount(
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const char* aStr, const URLSegment& aSeg, int16_t aMask, nsCString& aOut,
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bool& aAppended, uint32_t aExtraLen) {
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// aExtraLen is characters outside the segment that will be
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// added when the segment is not empty (like the @ following
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// a username).
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if (!aStr || aSeg.mLen <= 0) {
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// Empty segment, so aExtraLen not added per above.
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aAppended = false;
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return 0;
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}
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uint32_t origLen = aOut.Length();
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Span<const char> span = Span(aStr + aSeg.mPos, aSeg.mLen);
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// first honor the origin charset if appropriate. as an optimization,
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// only do this if the segment is non-ASCII. Further, if mEncoding is
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// null, then the origin charset is UTF-8 and there is nothing to do.
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if (mEncoding) {
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size_t upTo;
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if (MOZ_UNLIKELY(mEncoding == ISO_2022_JP_ENCODING)) {
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upTo = Encoding::ISO2022JPASCIIValidUpTo(AsBytes(span));
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} else {
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upTo = Encoding::ASCIIValidUpTo(AsBytes(span));
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}
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if (upTo != span.Length()) {
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// we have to encode this segment
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char bufferArr[512];
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Span<char> buffer = Span(bufferArr);
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auto encoder = mEncoding->NewEncoder();
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nsAutoCString valid; // has to be declared in this scope
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if (MOZ_UNLIKELY(!IsUtf8(span.From(upTo)))) {
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MOZ_ASSERT_UNREACHABLE("Invalid UTF-8 passed to nsStandardURL.");
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// It's UB to pass invalid UTF-8 to
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// EncodeFromUTF8WithoutReplacement(), so let's make our input valid
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// UTF-8 by replacing invalid sequences with the REPLACEMENT
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// CHARACTER.
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UTF_8_ENCODING->Decode(
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nsDependentCSubstring(span.Elements(), span.Length()), valid);
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// This assigment is OK. `span` can't be used after `valid` has
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// been destroyed because the only way out of the scope that `valid`
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// was declared in is via return inside the loop below. Specifically,
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// the return is the only way out of the loop.
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span = valid;
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}
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size_t totalRead = 0;
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for (;;) {
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auto [encoderResult, read, written] =
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encoder->EncodeFromUTF8WithoutReplacement(
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AsBytes(span.From(totalRead)), AsWritableBytes(buffer), true);
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totalRead += read;
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auto bufferWritten = buffer.To(written);
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if (!NS_EscapeURLSpan(bufferWritten, aMask, aOut)) {
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aOut.Append(bufferWritten);
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}
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if (encoderResult == kInputEmpty) {
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aAppended = true;
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// Difference between original and current output
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// string lengths plus extra length
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return aOut.Length() - origLen + aExtraLen;
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}
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if (encoderResult == kOutputFull) {
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continue;
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}
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aOut.AppendLiteral("%26%23");
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aOut.AppendInt(encoderResult);
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aOut.AppendLiteral("%3B");
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}
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MOZ_RELEASE_ASSERT(
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false,
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"There's supposed to be no way out of the above loop except return.");
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}
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}
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if (NS_EscapeURLSpan(span, aMask, aOut)) {
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aAppended = true;
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// Difference between original and current output
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// string lengths plus extra length
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return aOut.Length() - origLen + aExtraLen;
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}
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aAppended = false;
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// Original segment length plus extra length
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return span.Length() + aExtraLen;
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}
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const nsACString& nsStandardURL::nsSegmentEncoder::EncodeSegment(
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const nsACString& str, int16_t mask, nsCString& result) {
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const char* text;
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bool encoded;
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EncodeSegmentCount(str.BeginReading(text), URLSegment(0, str.Length()), mask,
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result, encoded);
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if (encoded) {
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return result;
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}
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return str;
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}
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//----------------------------------------------------------------------------
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// nsStandardURL <public>
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//----------------------------------------------------------------------------
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#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
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static StaticMutex gAllURLsMutex MOZ_UNANNOTATED;
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static LinkedList<nsStandardURL> gAllURLs;
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#endif
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nsStandardURL::nsStandardURL(bool aSupportsFileURL, bool aTrackURL)
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: mURLType(URLTYPE_STANDARD),
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mSupportsFileURL(aSupportsFileURL),
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mCheckedIfHostA(false) {
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LOG(("Creating nsStandardURL @%p\n", this));
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// gInitialized changes value only once (false->true) on the main thread.
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// It's OK to race here because in the worst case we'll just
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// dispatch a noop runnable to the main thread.
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MOZ_ASSERT(gInitialized);
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// default parser in case nsIStandardURL::Init is never called
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mParser = net_GetStdURLParser();
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#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
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if (aTrackURL) {
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StaticMutexAutoLock lock(gAllURLsMutex);
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gAllURLs.insertBack(this);
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}
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#endif
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}
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bool nsStandardURL::IsValid() {
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auto checkSegment = [&](const nsStandardURL::URLSegment& aSeg) {
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#ifdef EARLY_BETA_OR_EARLIER
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// If the parity is not the same, we assume that this is caused by a memory
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// error. In this case, we think this URLSegment is valid.
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if ((aSeg.mPos.Parity() != aSeg.mPos.CalculateParity()) ||
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(aSeg.mLen.Parity() != aSeg.mLen.CalculateParity())) {
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MOZ_ASSERT(false);
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return true;
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}
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#endif
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// Bad value
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if (NS_WARN_IF(aSeg.mLen < -1)) {
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return false;
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}
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if (aSeg.mLen == -1) {
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return true;
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}
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// Points out of string
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if (NS_WARN_IF(aSeg.mPos + aSeg.mLen > mSpec.Length())) {
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return false;
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}
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// Overflow
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if (NS_WARN_IF(aSeg.mPos + aSeg.mLen < aSeg.mPos)) {
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return false;
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}
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return true;
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};
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bool allSegmentsValid = checkSegment(mScheme) && checkSegment(mAuthority) &&
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checkSegment(mUsername) && checkSegment(mPassword) &&
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checkSegment(mHost) && checkSegment(mPath) &&
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checkSegment(mFilepath) && checkSegment(mDirectory) &&
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checkSegment(mBasename) && checkSegment(mExtension) &&
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checkSegment(mQuery) && checkSegment(mRef);
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if (!allSegmentsValid) {
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return false;
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}
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if (mScheme.mPos != 0) {
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return false;
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}
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return true;
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}
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void nsStandardURL::SanityCheck() {
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if (!IsValid()) {
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nsPrintfCString msg(
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"mLen:%zX, mScheme (%X,%X), mAuthority (%X,%X), mUsername (%X,%X), "
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"mPassword (%X,%X), mHost (%X,%X), mPath (%X,%X), mFilepath (%X,%X), "
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"mDirectory (%X,%X), mBasename (%X,%X), mExtension (%X,%X), mQuery "
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"(%X,%X), mRef (%X,%X)",
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mSpec.Length(), (uint32_t)mScheme.mPos, (int32_t)mScheme.mLen,
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(uint32_t)mAuthority.mPos, (int32_t)mAuthority.mLen,
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(uint32_t)mUsername.mPos, (int32_t)mUsername.mLen,
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(uint32_t)mPassword.mPos, (int32_t)mPassword.mLen, (uint32_t)mHost.mPos,
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(int32_t)mHost.mLen, (uint32_t)mPath.mPos, (int32_t)mPath.mLen,
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(uint32_t)mFilepath.mPos, (int32_t)mFilepath.mLen,
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(uint32_t)mDirectory.mPos, (int32_t)mDirectory.mLen,
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(uint32_t)mBasename.mPos, (int32_t)mBasename.mLen,
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(uint32_t)mExtension.mPos, (int32_t)mExtension.mLen,
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(uint32_t)mQuery.mPos, (int32_t)mQuery.mLen, (uint32_t)mRef.mPos,
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(int32_t)mRef.mLen);
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CrashReporter::RecordAnnotationNSCString(
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CrashReporter::Annotation::URLSegments, msg);
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MOZ_CRASH("nsStandardURL::SanityCheck failed");
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}
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}
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nsStandardURL::~nsStandardURL() {
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LOG(("Destroying nsStandardURL @%p\n", this));
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#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
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{
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StaticMutexAutoLock lock(gAllURLsMutex);
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if (isInList()) {
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remove();
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}
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}
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#endif
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}
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#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
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struct DumpLeakedURLs {
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DumpLeakedURLs() = default;
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~DumpLeakedURLs();
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};
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DumpLeakedURLs::~DumpLeakedURLs() {
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MOZ_ASSERT(NS_IsMainThread());
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StaticMutexAutoLock lock(gAllURLsMutex);
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if (!gAllURLs.isEmpty()) {
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printf("Leaked URLs:\n");
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for (auto* url : gAllURLs) {
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url->PrintSpec();
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}
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gAllURLs.clear();
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}
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}
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#endif
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void nsStandardURL::InitGlobalObjects() {
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MOZ_DIAGNOSTIC_ASSERT(NS_IsMainThread());
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if (gInitialized) {
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return;
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}
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gInitialized = true;
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nsCOMPtr<nsIIDNService> serv(do_GetService(NS_IDNSERVICE_CONTRACTID));
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if (serv) {
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gIDN = serv;
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}
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MOZ_DIAGNOSTIC_ASSERT(gIDN);
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// Make sure nsURLHelper::InitGlobals() gets called on the main thread
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nsCOMPtr<nsIURLParser> parser = net_GetStdURLParser();
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MOZ_DIAGNOSTIC_ASSERT(parser);
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Unused << parser;
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}
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|
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void nsStandardURL::ShutdownGlobalObjects() {
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MOZ_DIAGNOSTIC_ASSERT(NS_IsMainThread());
|
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gIDN = nullptr;
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|
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#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
|
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if (gInitialized) {
|
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// This instanciates a dummy class, and will trigger the class
|
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// destructor when libxul is unloaded. This is equivalent to atexit(),
|
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// but gracefully handles dlclose().
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StaticMutexAutoLock lock(gAllURLsMutex);
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static DumpLeakedURLs d;
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}
|
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#endif
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}
|
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|
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//----------------------------------------------------------------------------
|
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// nsStandardURL <private>
|
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//----------------------------------------------------------------------------
|
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|
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void nsStandardURL::Clear() {
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mSpec.Truncate();
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|
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mPort = -1;
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|
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mScheme.Reset();
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mAuthority.Reset();
|
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mUsername.Reset();
|
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mPassword.Reset();
|
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mHost.Reset();
|
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|
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mPath.Reset();
|
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mFilepath.Reset();
|
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mDirectory.Reset();
|
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mBasename.Reset();
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|
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mExtension.Reset();
|
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mQuery.Reset();
|
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mRef.Reset();
|
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|
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InvalidateCache();
|
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}
|
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|
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void nsStandardURL::InvalidateCache(bool invalidateCachedFile) {
|
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if (invalidateCachedFile) {
|
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mFile = nullptr;
|
||
}
|
||
}
|
||
|
||
// Return the number of "dots" in the string, or -1 if invalid. Note that the
|
||
// number of relevant entries in the bases/starts/ends arrays is number of
|
||
// dots + 1.
|
||
//
|
||
// length is assumed to be <= host.Length(); the caller is responsible for that
|
||
//
|
||
// Note that the value returned is guaranteed to be in [-1, 3] range.
|
||
inline int32_t ValidateIPv4Number(const nsACString& host, int32_t bases[4],
|
||
int32_t dotIndex[3], bool& onlyBase10,
|
||
int32_t length, bool trailingDot) {
|
||
MOZ_ASSERT(length <= (int32_t)host.Length());
|
||
if (length <= 0) {
|
||
return -1;
|
||
}
|
||
|
||
bool lastWasNumber = false; // We count on this being false for i == 0
|
||
int32_t dotCount = 0;
|
||
onlyBase10 = true;
|
||
|
||
for (int32_t i = 0; i < length; i++) {
|
||
char current = host[i];
|
||
if (current == '.') {
|
||
// A dot should not follow a dot, or be first - it can follow an x though.
|
||
if (!(lastWasNumber ||
|
||
(i >= 2 && (host[i - 1] == 'X' || host[i - 1] == 'x') &&
|
||
host[i - 2] == '0')) ||
|
||
(i == (length - 1) && trailingDot)) {
|
||
return -1;
|
||
}
|
||
|
||
if (dotCount > 2) {
|
||
return -1;
|
||
}
|
||
lastWasNumber = false;
|
||
dotIndex[dotCount] = i;
|
||
dotCount++;
|
||
} else if (current == 'X' || current == 'x') {
|
||
if (!lastWasNumber || // An X should not follow an X or a dot or be first
|
||
i == (length - 1) || // No trailing Xs allowed
|
||
(dotCount == 0 &&
|
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i != 1) || // If we had no dots, an X should be second
|
||
host[i - 1] != '0' || // X should always follow a 0. Guaranteed i >
|
||
// 0 as lastWasNumber is true
|
||
(dotCount > 0 &&
|
||
host[i - 2] != '.')) { // And that zero follows a dot if it exists
|
||
return -1;
|
||
}
|
||
lastWasNumber = false;
|
||
bases[dotCount] = 16;
|
||
onlyBase10 = false;
|
||
|
||
} else if (current == '0') {
|
||
if (i < length - 1 && // Trailing zero doesn't signal octal
|
||
host[i + 1] != '.' && // Lone zero is not octal
|
||
(i == 0 || host[i - 1] == '.')) { // Zero at start or following a dot
|
||
// is a candidate for octal
|
||
bases[dotCount] = 8; // This will turn to 16 above if X shows up
|
||
onlyBase10 = false;
|
||
}
|
||
lastWasNumber = true;
|
||
|
||
} else if (current >= '1' && current <= '7') {
|
||
lastWasNumber = true;
|
||
|
||
} else if (current >= '8' && current <= '9') {
|
||
if (bases[dotCount] == 8) {
|
||
return -1;
|
||
}
|
||
lastWasNumber = true;
|
||
|
||
} else if ((current >= 'a' && current <= 'f') ||
|
||
(current >= 'A' && current <= 'F')) {
|
||
if (bases[dotCount] != 16) {
|
||
return -1;
|
||
}
|
||
lastWasNumber = true;
|
||
|
||
} else {
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
return dotCount;
|
||
}
|
||
|
||
inline nsresult ParseIPv4Number10(const nsACString& input, uint32_t& number,
|
||
uint32_t maxNumber) {
|
||
uint64_t value = 0;
|
||
const char* current = input.BeginReading();
|
||
const char* end = input.EndReading();
|
||
for (; current < end; ++current) {
|
||
char c = *current;
|
||
MOZ_ASSERT(c >= '0' && c <= '9');
|
||
value *= 10;
|
||
value += c - '0';
|
||
}
|
||
if (value <= maxNumber) {
|
||
number = value;
|
||
return NS_OK;
|
||
}
|
||
|
||
// The error case
|
||
number = 0;
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
inline nsresult ParseIPv4Number(const nsACString& input, int32_t base,
|
||
uint32_t& number, uint32_t maxNumber) {
|
||
// Accumulate in the 64-bit value
|
||
uint64_t value = 0;
|
||
const char* current = input.BeginReading();
|
||
const char* end = input.EndReading();
|
||
switch (base) {
|
||
case 16:
|
||
++current;
|
||
[[fallthrough]];
|
||
case 8:
|
||
++current;
|
||
break;
|
||
case 10:
|
||
default:
|
||
break;
|
||
}
|
||
for (; current < end; ++current) {
|
||
value *= base;
|
||
char c = *current;
|
||
MOZ_ASSERT((base == 10 && IsAsciiDigit(c)) ||
|
||
(base == 8 && c >= '0' && c <= '7') ||
|
||
(base == 16 && IsAsciiHexDigit(c)));
|
||
if (IsAsciiDigit(c)) {
|
||
value += c - '0';
|
||
} else if (c >= 'a' && c <= 'f') {
|
||
value += c - 'a' + 10;
|
||
} else if (c >= 'A' && c <= 'F') {
|
||
value += c - 'A' + 10;
|
||
}
|
||
}
|
||
|
||
if (value <= maxNumber) {
|
||
number = value;
|
||
return NS_OK;
|
||
}
|
||
|
||
// The error case
|
||
number = 0;
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
// IPv4 parser spec: https://url.spec.whatwg.org/#concept-ipv4-parser
|
||
/* static */
|
||
nsresult nsStandardURL::NormalizeIPv4(const nsACString& host,
|
||
nsCString& result) {
|
||
int32_t bases[4] = {10, 10, 10, 10};
|
||
bool onlyBase10 = true; // Track this as a special case
|
||
int32_t dotIndex[3]; // The positions of the dots in the string
|
||
|
||
// Use "length" rather than host.Length() after call to
|
||
// ValidateIPv4Number because of potential trailing period.
|
||
nsDependentCSubstring filteredHost;
|
||
bool trailingDot = false;
|
||
if (host.Length() > 0 && host.Last() == '.') {
|
||
trailingDot = true;
|
||
filteredHost.Rebind(host.BeginReading(), host.Length() - 1);
|
||
} else {
|
||
filteredHost.Rebind(host.BeginReading(), host.Length());
|
||
}
|
||
|
||
int32_t length = static_cast<int32_t>(filteredHost.Length());
|
||
int32_t dotCount = ValidateIPv4Number(filteredHost, bases, dotIndex,
|
||
onlyBase10, length, trailingDot);
|
||
if (dotCount < 0 || length <= 0) {
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
// Max values specified by the spec
|
||
static const uint32_t upperBounds[] = {0xffffffffu, 0xffffffu, 0xffffu,
|
||
0xffu};
|
||
uint32_t ipv4;
|
||
int32_t start = (dotCount > 0 ? dotIndex[dotCount - 1] + 1 : 0);
|
||
|
||
// parse the last part first
|
||
nsresult res;
|
||
// Doing a special case for all items being base 10 gives ~35% speedup
|
||
res = (onlyBase10
|
||
? ParseIPv4Number10(Substring(host, start, length - start), ipv4,
|
||
upperBounds[dotCount])
|
||
: ParseIPv4Number(Substring(host, start, length - start),
|
||
bases[dotCount], ipv4, upperBounds[dotCount]));
|
||
if (NS_FAILED(res)) {
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
// parse remaining parts starting from first part
|
||
int32_t lastUsed = -1;
|
||
for (int32_t i = 0; i < dotCount; i++) {
|
||
uint32_t number;
|
||
start = lastUsed + 1;
|
||
lastUsed = dotIndex[i];
|
||
res =
|
||
(onlyBase10 ? ParseIPv4Number10(
|
||
Substring(host, start, lastUsed - start), number, 255)
|
||
: ParseIPv4Number(Substring(host, start, lastUsed - start),
|
||
bases[i], number, 255));
|
||
if (NS_FAILED(res)) {
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
ipv4 += number << (8 * (3 - i));
|
||
}
|
||
|
||
// A special case for ipv4 URL like "127." should have the same result as
|
||
// "127".
|
||
if (dotCount == 1 && dotIndex[0] == length - 1) {
|
||
ipv4 = (ipv4 & 0xff000000) >> 24;
|
||
}
|
||
|
||
uint8_t ipSegments[4];
|
||
NetworkEndian::writeUint32(ipSegments, ipv4);
|
||
result = nsPrintfCString("%d.%d.%d.%d", ipSegments[0], ipSegments[1],
|
||
ipSegments[2], ipSegments[3]);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsIIDNService* nsStandardURL::GetIDNService() { return gIDN.get(); }
|
||
|
||
nsresult nsStandardURL::NormalizeIDN(const nsCString& host, nsCString& result) {
|
||
result.Truncate();
|
||
mDisplayHost.Truncate();
|
||
nsresult rv;
|
||
|
||
if (!gIDN) {
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
|
||
// Even if it's already ACE, we must still call ConvertUTF8toACE in order
|
||
// for the input normalization to take place.
|
||
rv = gIDN->ConvertUTF8toACE(host, result);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// If the ASCII representation doesn't contain the xn-- token then we don't
|
||
// need to call ConvertToDisplayIDN as that would not change anything.
|
||
if (!StringBeginsWith(result, "xn--"_ns) &&
|
||
result.Find(".xn--"_ns) == kNotFound) {
|
||
mCheckedIfHostA = true;
|
||
return NS_OK;
|
||
}
|
||
|
||
bool isAscii = true;
|
||
nsAutoCString displayHost;
|
||
rv = gIDN->ConvertToDisplayIDN(result, &isAscii, displayHost);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
mCheckedIfHostA = true;
|
||
if (!isAscii) {
|
||
mDisplayHost = displayHost;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
bool nsStandardURL::ValidIPv6orHostname(const char* host, uint32_t length) {
|
||
if (!host || !*host) {
|
||
// Should not be NULL or empty string
|
||
return false;
|
||
}
|
||
|
||
if (length != strlen(host)) {
|
||
// Embedded null
|
||
return false;
|
||
}
|
||
|
||
bool openBracket = host[0] == '[';
|
||
bool closeBracket = host[length - 1] == ']';
|
||
|
||
if (openBracket && closeBracket) {
|
||
return net_IsValidIPv6Addr(Substring(host + 1, length - 2));
|
||
}
|
||
|
||
if (openBracket || closeBracket) {
|
||
// Fail if only one of the brackets is present
|
||
return false;
|
||
}
|
||
|
||
const char* end = host + length;
|
||
const char* iter = host;
|
||
for (; iter != end && *iter; ++iter) {
|
||
if (ASCIIMask::IsMasked(sInvalidHostChars, *iter)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
void nsStandardURL::CoalescePath(netCoalesceFlags coalesceFlag, char* path) {
|
||
net_CoalesceDirs(coalesceFlag, path);
|
||
int32_t newLen = strlen(path);
|
||
if (newLen < mPath.mLen) {
|
||
int32_t diff = newLen - mPath.mLen;
|
||
mPath.mLen = newLen;
|
||
mDirectory.mLen += diff;
|
||
mFilepath.mLen += diff;
|
||
ShiftFromBasename(diff);
|
||
}
|
||
}
|
||
|
||
uint32_t nsStandardURL::AppendSegmentToBuf(char* buf, uint32_t i,
|
||
const char* str,
|
||
const URLSegment& segInput,
|
||
URLSegment& segOutput,
|
||
const nsCString* escapedStr,
|
||
bool useEscaped, int32_t* diff) {
|
||
MOZ_ASSERT(segInput.mLen == segOutput.mLen);
|
||
|
||
if (diff) {
|
||
*diff = 0;
|
||
}
|
||
|
||
if (segInput.mLen > 0) {
|
||
if (useEscaped) {
|
||
MOZ_ASSERT(diff);
|
||
segOutput.mLen = escapedStr->Length();
|
||
*diff = segOutput.mLen - segInput.mLen;
|
||
memcpy(buf + i, escapedStr->get(), segOutput.mLen);
|
||
} else {
|
||
memcpy(buf + i, str + segInput.mPos, segInput.mLen);
|
||
}
|
||
segOutput.mPos = i;
|
||
i += segOutput.mLen;
|
||
} else {
|
||
segOutput.mPos = i;
|
||
}
|
||
return i;
|
||
}
|
||
|
||
uint32_t nsStandardURL::AppendToBuf(char* buf, uint32_t i, const char* str,
|
||
uint32_t len) {
|
||
memcpy(buf + i, str, len);
|
||
return i + len;
|
||
}
|
||
|
||
static bool ContainsOnlyAsciiDigits(const nsDependentCSubstring& input) {
|
||
for (const auto* c = input.BeginReading(); c < input.EndReading(); c++) {
|
||
if (!IsAsciiDigit(*c)) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
static bool ContainsOnlyAsciiHexDigits(const nsDependentCSubstring& input) {
|
||
for (const auto* c = input.BeginReading(); c < input.EndReading(); c++) {
|
||
if (!IsAsciiHexDigit(*c)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// https://url.spec.whatwg.org/#ends-in-a-number-checker
|
||
static bool EndsInANumber(const nsCString& input) {
|
||
// 1. Let parts be the result of strictly splitting input on U+002E (.).
|
||
nsTArray<nsDependentCSubstring> parts;
|
||
for (const nsDependentCSubstring& part : input.Split('.')) {
|
||
parts.AppendElement(part);
|
||
}
|
||
|
||
if (parts.Length() == 0) {
|
||
return false;
|
||
}
|
||
|
||
// 2.If the last item in parts is the empty string, then:
|
||
// 1. If parts’s size is 1, then return false.
|
||
// 2. Remove the last item from parts.
|
||
if (parts.LastElement().IsEmpty()) {
|
||
if (parts.Length() == 1) {
|
||
return false;
|
||
}
|
||
Unused << parts.PopLastElement();
|
||
}
|
||
|
||
// 3. Let last be the last item in parts.
|
||
const nsDependentCSubstring& last = parts.LastElement();
|
||
|
||
// 4. If last is non-empty and contains only ASCII digits, then return true.
|
||
// The erroneous input "09" will be caught by the IPv4 parser at a later
|
||
// stage.
|
||
if (!last.IsEmpty()) {
|
||
if (ContainsOnlyAsciiDigits(last)) {
|
||
return true;
|
||
}
|
||
}
|
||
|
||
// 5. If parsing last as an IPv4 number does not return failure, then return
|
||
// true. This is equivalent to checking that last is "0X" or "0x", followed by
|
||
// zero or more ASCII hex digits.
|
||
if (StringBeginsWith(last, "0x"_ns) || StringBeginsWith(last, "0X"_ns)) {
|
||
if (ContainsOnlyAsciiHexDigits(Substring(last, 2))) {
|
||
return true;
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
// basic algorithm:
|
||
// 1- escape url segments (for improved GetSpec efficiency)
|
||
// 2- allocate spec buffer
|
||
// 3- write url segments
|
||
// 4- update url segment positions and lengths
|
||
nsresult nsStandardURL::BuildNormalizedSpec(const char* spec,
|
||
const Encoding* encoding) {
|
||
// Assumptions: all member URLSegments must be relative the |spec| argument
|
||
// passed to this function.
|
||
|
||
// buffers for holding escaped url segments (these will remain empty unless
|
||
// escaping is required).
|
||
nsAutoCString encUsername, encPassword, encHost, encDirectory, encBasename,
|
||
encExtension, encQuery, encRef;
|
||
bool useEncUsername, useEncPassword, useEncHost = false, useEncDirectory,
|
||
useEncBasename, useEncExtension,
|
||
useEncQuery, useEncRef;
|
||
nsAutoCString portbuf;
|
||
|
||
//
|
||
// escape each URL segment, if necessary, and calculate approximate normalized
|
||
// spec length.
|
||
//
|
||
// [scheme://][username[:password]@]host[:port]/path[?query_string][#ref]
|
||
|
||
uint32_t approxLen = 0;
|
||
|
||
// the scheme is already ASCII
|
||
if (mScheme.mLen > 0) {
|
||
approxLen +=
|
||
mScheme.mLen + 3; // includes room for "://", which we insert always
|
||
}
|
||
|
||
// encode URL segments; convert UTF-8 to origin charset and possibly escape.
|
||
// results written to encXXX variables only if |spec| is not already in the
|
||
// appropriate encoding.
|
||
{
|
||
nsSegmentEncoder encoder;
|
||
nsSegmentEncoder queryEncoder(encoding);
|
||
// Username@
|
||
approxLen += encoder.EncodeSegmentCount(spec, mUsername, esc_Username,
|
||
encUsername, useEncUsername, 0);
|
||
approxLen += 1; // reserve length for @
|
||
// :password - we insert the ':' even if there's no actual password if
|
||
// "user:@" was in the spec
|
||
if (mPassword.mLen > 0) {
|
||
approxLen += 1 + encoder.EncodeSegmentCount(spec, mPassword, esc_Password,
|
||
encPassword, useEncPassword);
|
||
}
|
||
// mHost is handled differently below due to encoding differences
|
||
MOZ_ASSERT(mPort >= -1, "Invalid negative mPort");
|
||
if (mPort != -1 && mPort != mDefaultPort) {
|
||
// :port
|
||
portbuf.AppendInt(mPort);
|
||
approxLen += portbuf.Length() + 1;
|
||
}
|
||
|
||
approxLen +=
|
||
1; // reserve space for possible leading '/' - may not be needed
|
||
// Should just use mPath? These are pessimistic, and thus waste space
|
||
approxLen += encoder.EncodeSegmentCount(spec, mDirectory, esc_Directory,
|
||
encDirectory, useEncDirectory, 1);
|
||
approxLen += encoder.EncodeSegmentCount(spec, mBasename, esc_FileBaseName,
|
||
encBasename, useEncBasename);
|
||
approxLen += encoder.EncodeSegmentCount(spec, mExtension, esc_FileExtension,
|
||
encExtension, useEncExtension, 1);
|
||
|
||
// These next ones *always* add their leading character even if length is 0
|
||
// Handles items like "http://#"
|
||
// ?query
|
||
if (mQuery.mLen >= 0) {
|
||
approxLen += 1 + queryEncoder.EncodeSegmentCount(spec, mQuery, esc_Query,
|
||
encQuery, useEncQuery);
|
||
}
|
||
// #ref
|
||
|
||
if (mRef.mLen >= 0) {
|
||
approxLen += 1 + encoder.EncodeSegmentCount(spec, mRef, esc_Ref, encRef,
|
||
useEncRef);
|
||
}
|
||
}
|
||
|
||
// do not escape the hostname, if IPv6 address literal, mHost will
|
||
// already point to a [ ] delimited IPv6 address literal.
|
||
// However, perform Unicode normalization on it, as IDN does.
|
||
// Note that we don't disallow URLs without a host - file:, etc
|
||
if (mHost.mLen > 0) {
|
||
nsAutoCString tempHost;
|
||
NS_UnescapeURL(spec + mHost.mPos, mHost.mLen, esc_AlwaysCopy | esc_Host,
|
||
tempHost);
|
||
if (tempHost.Contains('\0')) {
|
||
return NS_ERROR_MALFORMED_URI; // null embedded in hostname
|
||
}
|
||
if (tempHost.Contains(' ')) {
|
||
return NS_ERROR_MALFORMED_URI; // don't allow spaces in the hostname
|
||
}
|
||
nsresult rv = NormalizeIDN(tempHost, encHost);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
if (!SegmentIs(spec, mScheme, "resource") &&
|
||
!SegmentIs(spec, mScheme, "chrome")) {
|
||
nsAutoCString ipString;
|
||
if (encHost.Length() > 0 && encHost.First() == '[' &&
|
||
encHost.Last() == ']' &&
|
||
ValidIPv6orHostname(encHost.get(), encHost.Length())) {
|
||
rv = (nsresult)rusturl_parse_ipv6addr(&encHost, &ipString);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
encHost = ipString;
|
||
} else {
|
||
if (EndsInANumber(encHost)) {
|
||
rv = NormalizeIPv4(encHost, ipString);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
encHost = ipString;
|
||
}
|
||
}
|
||
}
|
||
|
||
// NormalizeIDN always copies, if the call was successful.
|
||
useEncHost = true;
|
||
approxLen += encHost.Length();
|
||
|
||
if (!ValidIPv6orHostname(encHost.BeginReading(), encHost.Length())) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
} else {
|
||
// empty host means empty mDisplayHost
|
||
mDisplayHost.Truncate();
|
||
mCheckedIfHostA = true;
|
||
}
|
||
|
||
// We must take a copy of every single segment because they are pointing to
|
||
// the |spec| while we are changing their value, in case we must use
|
||
// encoded strings.
|
||
URLSegment username(mUsername);
|
||
URLSegment password(mPassword);
|
||
URLSegment host(mHost);
|
||
URLSegment path(mPath);
|
||
URLSegment directory(mDirectory);
|
||
URLSegment basename(mBasename);
|
||
URLSegment extension(mExtension);
|
||
URLSegment query(mQuery);
|
||
URLSegment ref(mRef);
|
||
|
||
// The encoded string could be longer than the original input, so we need
|
||
// to check the final URI isn't longer than the max length.
|
||
if (approxLen + 1 > StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
//
|
||
// generate the normalized URL string
|
||
//
|
||
// approxLen should be correct or 1 high
|
||
if (!mSpec.SetLength(approxLen + 1,
|
||
fallible)) { // buf needs a trailing '\0' below
|
||
return NS_ERROR_OUT_OF_MEMORY;
|
||
}
|
||
char* buf = mSpec.BeginWriting();
|
||
uint32_t i = 0;
|
||
int32_t diff = 0;
|
||
|
||
if (mScheme.mLen > 0) {
|
||
i = AppendSegmentToBuf(buf, i, spec, mScheme, mScheme);
|
||
net_ToLowerCase(buf + mScheme.mPos, mScheme.mLen);
|
||
i = AppendToBuf(buf, i, "://", 3);
|
||
}
|
||
|
||
// record authority starting position
|
||
mAuthority.mPos = i;
|
||
|
||
// append authority
|
||
if (mUsername.mLen > 0 || mPassword.mLen > 0) {
|
||
if (mUsername.mLen > 0) {
|
||
i = AppendSegmentToBuf(buf, i, spec, username, mUsername, &encUsername,
|
||
useEncUsername, &diff);
|
||
ShiftFromPassword(diff);
|
||
} else {
|
||
mUsername.mLen = -1;
|
||
}
|
||
if (password.mLen > 0) {
|
||
buf[i++] = ':';
|
||
i = AppendSegmentToBuf(buf, i, spec, password, mPassword, &encPassword,
|
||
useEncPassword, &diff);
|
||
ShiftFromHost(diff);
|
||
} else {
|
||
mPassword.mLen = -1;
|
||
}
|
||
buf[i++] = '@';
|
||
} else {
|
||
mUsername.mLen = -1;
|
||
mPassword.mLen = -1;
|
||
}
|
||
if (host.mLen > 0) {
|
||
i = AppendSegmentToBuf(buf, i, spec, host, mHost, &encHost, useEncHost,
|
||
&diff);
|
||
ShiftFromPath(diff);
|
||
|
||
net_ToLowerCase(buf + mHost.mPos, mHost.mLen);
|
||
MOZ_ASSERT(mPort >= -1, "Invalid negative mPort");
|
||
if (mPort != -1 && mPort != mDefaultPort) {
|
||
buf[i++] = ':';
|
||
// Already formatted while building approxLen
|
||
i = AppendToBuf(buf, i, portbuf.get(), portbuf.Length());
|
||
}
|
||
}
|
||
|
||
// record authority length
|
||
mAuthority.mLen = i - mAuthority.mPos;
|
||
|
||
// path must always start with a "/"
|
||
if (mPath.mLen <= 0) {
|
||
LOG(("setting path=/"));
|
||
mDirectory.mPos = mFilepath.mPos = mPath.mPos = i;
|
||
mDirectory.mLen = mFilepath.mLen = mPath.mLen = 1;
|
||
// basename must exist, even if empty (bug 113508)
|
||
mBasename.mPos = i + 1;
|
||
mBasename.mLen = 0;
|
||
buf[i++] = '/';
|
||
} else {
|
||
uint32_t leadingSlash = 0;
|
||
if (spec[path.mPos] != '/') {
|
||
LOG(("adding leading slash to path\n"));
|
||
leadingSlash = 1;
|
||
buf[i++] = '/';
|
||
// basename must exist, even if empty (bugs 113508, 429347)
|
||
if (mBasename.mLen == -1) {
|
||
mBasename.mPos = basename.mPos = i;
|
||
mBasename.mLen = basename.mLen = 0;
|
||
}
|
||
}
|
||
|
||
// record corrected (file)path starting position
|
||
mPath.mPos = mFilepath.mPos = i - leadingSlash;
|
||
|
||
i = AppendSegmentToBuf(buf, i, spec, directory, mDirectory, &encDirectory,
|
||
useEncDirectory, &diff);
|
||
ShiftFromBasename(diff);
|
||
|
||
// the directory must end with a '/'
|
||
if (buf[i - 1] != '/') {
|
||
buf[i++] = '/';
|
||
mDirectory.mLen++;
|
||
}
|
||
|
||
i = AppendSegmentToBuf(buf, i, spec, basename, mBasename, &encBasename,
|
||
useEncBasename, &diff);
|
||
ShiftFromExtension(diff);
|
||
|
||
// make corrections to directory segment if leadingSlash
|
||
if (leadingSlash) {
|
||
mDirectory.mPos = mPath.mPos;
|
||
if (mDirectory.mLen >= 0) {
|
||
mDirectory.mLen += leadingSlash;
|
||
} else {
|
||
mDirectory.mLen = 1;
|
||
}
|
||
}
|
||
|
||
if (mExtension.mLen >= 0) {
|
||
buf[i++] = '.';
|
||
i = AppendSegmentToBuf(buf, i, spec, extension, mExtension, &encExtension,
|
||
useEncExtension, &diff);
|
||
ShiftFromQuery(diff);
|
||
}
|
||
// calculate corrected filepath length
|
||
mFilepath.mLen = i - mFilepath.mPos;
|
||
|
||
if (mQuery.mLen >= 0) {
|
||
buf[i++] = '?';
|
||
i = AppendSegmentToBuf(buf, i, spec, query, mQuery, &encQuery,
|
||
useEncQuery, &diff);
|
||
ShiftFromRef(diff);
|
||
}
|
||
if (mRef.mLen >= 0) {
|
||
buf[i++] = '#';
|
||
i = AppendSegmentToBuf(buf, i, spec, ref, mRef, &encRef, useEncRef,
|
||
&diff);
|
||
}
|
||
// calculate corrected path length
|
||
mPath.mLen = i - mPath.mPos;
|
||
}
|
||
|
||
buf[i] = '\0';
|
||
|
||
// https://url.spec.whatwg.org/#path-state (1.4.1.2)
|
||
// https://url.spec.whatwg.org/#windows-drive-letter
|
||
if (SegmentIs(buf, mScheme, "file")) {
|
||
char* path = &buf[mPath.mPos];
|
||
if (mPath.mLen >= 3 && path[0] == '/' && IsAsciiAlpha(path[1]) &&
|
||
path[2] == '|') {
|
||
buf[mPath.mPos + 2] = ':';
|
||
}
|
||
}
|
||
|
||
if (mDirectory.mLen > 0) {
|
||
netCoalesceFlags coalesceFlag = NET_COALESCE_NORMAL;
|
||
if (SegmentIs(buf, mScheme, "ftp")) {
|
||
coalesceFlag =
|
||
(netCoalesceFlags)(coalesceFlag | NET_COALESCE_ALLOW_RELATIVE_ROOT |
|
||
NET_COALESCE_DOUBLE_SLASH_IS_ROOT);
|
||
}
|
||
CoalescePath(coalesceFlag, buf + mDirectory.mPos);
|
||
}
|
||
mSpec.Truncate(strlen(buf));
|
||
NS_ASSERTION(mSpec.Length() <= approxLen,
|
||
"We've overflowed the mSpec buffer!");
|
||
MOZ_ASSERT(mSpec.Length() <= StaticPrefs::network_standard_url_max_length(),
|
||
"The spec should never be this long, we missed a check.");
|
||
|
||
MOZ_ASSERT(mUsername.mLen != 0 && mPassword.mLen != 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
bool nsStandardURL::SegmentIs(const URLSegment& seg, const char* val,
|
||
bool ignoreCase) {
|
||
// one or both may be null
|
||
if (!val || mSpec.IsEmpty()) {
|
||
return (!val && (mSpec.IsEmpty() || seg.mLen < 0));
|
||
}
|
||
if (seg.mLen < 0) {
|
||
return false;
|
||
}
|
||
// if the first |seg.mLen| chars of |val| match, then |val| must
|
||
// also be null terminated at |seg.mLen|.
|
||
if (ignoreCase) {
|
||
return !nsCRT::strncasecmp(mSpec.get() + seg.mPos, val, seg.mLen) &&
|
||
(val[seg.mLen] == '\0');
|
||
}
|
||
|
||
return !strncmp(mSpec.get() + seg.mPos, val, seg.mLen) &&
|
||
(val[seg.mLen] == '\0');
|
||
}
|
||
|
||
bool nsStandardURL::SegmentIs(const char* spec, const URLSegment& seg,
|
||
const char* val, bool ignoreCase) {
|
||
// one or both may be null
|
||
if (!val || !spec) {
|
||
return (!val && (!spec || seg.mLen < 0));
|
||
}
|
||
if (seg.mLen < 0) {
|
||
return false;
|
||
}
|
||
// if the first |seg.mLen| chars of |val| match, then |val| must
|
||
// also be null terminated at |seg.mLen|.
|
||
if (ignoreCase) {
|
||
return !nsCRT::strncasecmp(spec + seg.mPos, val, seg.mLen) &&
|
||
(val[seg.mLen] == '\0');
|
||
}
|
||
|
||
return !strncmp(spec + seg.mPos, val, seg.mLen) && (val[seg.mLen] == '\0');
|
||
}
|
||
|
||
bool nsStandardURL::SegmentIs(const URLSegment& seg1, const char* val,
|
||
const URLSegment& seg2, bool ignoreCase) {
|
||
if (seg1.mLen != seg2.mLen) {
|
||
return false;
|
||
}
|
||
if (seg1.mLen == -1 || (!val && mSpec.IsEmpty())) {
|
||
return true; // both are empty
|
||
}
|
||
if (!val) {
|
||
return false;
|
||
}
|
||
if (ignoreCase) {
|
||
return !nsCRT::strncasecmp(mSpec.get() + seg1.mPos, val + seg2.mPos,
|
||
seg1.mLen);
|
||
}
|
||
|
||
return !strncmp(mSpec.get() + seg1.mPos, val + seg2.mPos, seg1.mLen);
|
||
}
|
||
|
||
int32_t nsStandardURL::ReplaceSegment(uint32_t pos, uint32_t len,
|
||
const char* val, uint32_t valLen) {
|
||
if (val && valLen) {
|
||
if (len == 0) {
|
||
mSpec.Insert(val, pos, valLen);
|
||
} else {
|
||
mSpec.Replace(pos, len, nsDependentCString(val, valLen));
|
||
}
|
||
return valLen - len;
|
||
}
|
||
|
||
// else remove the specified segment
|
||
mSpec.Cut(pos, len);
|
||
return -int32_t(len);
|
||
}
|
||
|
||
int32_t nsStandardURL::ReplaceSegment(uint32_t pos, uint32_t len,
|
||
const nsACString& val) {
|
||
if (len == 0) {
|
||
mSpec.Insert(val, pos);
|
||
} else {
|
||
mSpec.Replace(pos, len, val);
|
||
}
|
||
return val.Length() - len;
|
||
}
|
||
|
||
nsresult nsStandardURL::ParseURL(const char* spec, int32_t specLen) {
|
||
nsresult rv;
|
||
|
||
if (specLen > (int32_t)StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
//
|
||
// parse given URL string
|
||
//
|
||
uint32_t schemePos = mScheme.mPos;
|
||
int32_t schemeLen = mScheme.mLen;
|
||
uint32_t authorityPos = mAuthority.mPos;
|
||
int32_t authorityLen = mAuthority.mLen;
|
||
uint32_t pathPos = mPath.mPos;
|
||
int32_t pathLen = mPath.mLen;
|
||
rv = mParser->ParseURL(spec, specLen, &schemePos, &schemeLen, &authorityPos,
|
||
&authorityLen, &pathPos, &pathLen);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
mScheme.mPos = schemePos;
|
||
mScheme.mLen = schemeLen;
|
||
mAuthority.mPos = authorityPos;
|
||
mAuthority.mLen = authorityLen;
|
||
mPath.mPos = pathPos;
|
||
mPath.mLen = pathLen;
|
||
|
||
#ifdef DEBUG
|
||
if (mScheme.mLen <= 0) {
|
||
printf("spec=%s\n", spec);
|
||
NS_WARNING("malformed url: no scheme");
|
||
}
|
||
#endif
|
||
|
||
if (mAuthority.mLen > 0) {
|
||
uint32_t usernamePos = mUsername.mPos;
|
||
int32_t usernameLen = mUsername.mLen;
|
||
uint32_t passwordPos = mPassword.mPos;
|
||
int32_t passwordLen = mPassword.mLen;
|
||
uint32_t hostPos = mHost.mPos;
|
||
int32_t hostLen = mHost.mLen;
|
||
rv = mParser->ParseAuthority(spec + mAuthority.mPos, mAuthority.mLen,
|
||
&usernamePos, &usernameLen, &passwordPos,
|
||
&passwordLen, &hostPos, &hostLen, &mPort);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
mUsername.mPos = usernamePos;
|
||
mUsername.mLen = usernameLen;
|
||
mPassword.mPos = passwordPos;
|
||
mPassword.mLen = passwordLen;
|
||
mHost.mPos = hostPos;
|
||
mHost.mLen = hostLen;
|
||
|
||
// Don't allow mPort to be set to this URI's default port
|
||
if (mPort == mDefaultPort) {
|
||
mPort = -1;
|
||
}
|
||
|
||
mUsername.mPos += mAuthority.mPos;
|
||
mPassword.mPos += mAuthority.mPos;
|
||
mHost.mPos += mAuthority.mPos;
|
||
}
|
||
|
||
if (mPath.mLen > 0) {
|
||
rv = ParsePath(spec, mPath.mPos, mPath.mLen);
|
||
}
|
||
|
||
return rv;
|
||
}
|
||
|
||
nsresult nsStandardURL::ParsePath(const char* spec, uint32_t pathPos,
|
||
int32_t pathLen) {
|
||
LOG(("ParsePath: %s pathpos %d len %d\n", spec, pathPos, pathLen));
|
||
|
||
if (pathLen > (int32_t)StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
uint32_t filePathPos = mFilepath.mPos;
|
||
int32_t filePathLen = mFilepath.mLen;
|
||
uint32_t queryPos = mQuery.mPos;
|
||
int32_t queryLen = mQuery.mLen;
|
||
uint32_t refPos = mRef.mPos;
|
||
int32_t refLen = mRef.mLen;
|
||
nsresult rv =
|
||
mParser->ParsePath(spec + pathPos, pathLen, &filePathPos, &filePathLen,
|
||
&queryPos, &queryLen, &refPos, &refLen);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
mFilepath.mPos = filePathPos;
|
||
mFilepath.mLen = filePathLen;
|
||
mQuery.mPos = queryPos;
|
||
mQuery.mLen = queryLen;
|
||
mRef.mPos = refPos;
|
||
mRef.mLen = refLen;
|
||
|
||
mFilepath.mPos += pathPos;
|
||
mQuery.mPos += pathPos;
|
||
mRef.mPos += pathPos;
|
||
|
||
if (mFilepath.mLen > 0) {
|
||
uint32_t directoryPos = mDirectory.mPos;
|
||
int32_t directoryLen = mDirectory.mLen;
|
||
uint32_t basenamePos = mBasename.mPos;
|
||
int32_t basenameLen = mBasename.mLen;
|
||
uint32_t extensionPos = mExtension.mPos;
|
||
int32_t extensionLen = mExtension.mLen;
|
||
rv = mParser->ParseFilePath(spec + mFilepath.mPos, mFilepath.mLen,
|
||
&directoryPos, &directoryLen, &basenamePos,
|
||
&basenameLen, &extensionPos, &extensionLen);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
mDirectory.mPos = directoryPos;
|
||
mDirectory.mLen = directoryLen;
|
||
mBasename.mPos = basenamePos;
|
||
mBasename.mLen = basenameLen;
|
||
mExtension.mPos = extensionPos;
|
||
mExtension.mLen = extensionLen;
|
||
|
||
mDirectory.mPos += mFilepath.mPos;
|
||
mBasename.mPos += mFilepath.mPos;
|
||
mExtension.mPos += mFilepath.mPos;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
char* nsStandardURL::AppendToSubstring(uint32_t pos, int32_t len,
|
||
const char* tail) {
|
||
// Verify pos and length are within boundaries
|
||
if (pos > mSpec.Length()) {
|
||
return nullptr;
|
||
}
|
||
if (len < 0) {
|
||
return nullptr;
|
||
}
|
||
if ((uint32_t)len > (mSpec.Length() - pos)) {
|
||
return nullptr;
|
||
}
|
||
if (!tail) {
|
||
return nullptr;
|
||
}
|
||
|
||
uint32_t tailLen = strlen(tail);
|
||
|
||
// Check for int overflow for proposed length of combined string
|
||
if (UINT32_MAX - ((uint32_t)len + 1) < tailLen) {
|
||
return nullptr;
|
||
}
|
||
|
||
char* result = (char*)moz_xmalloc(len + tailLen + 1);
|
||
memcpy(result, mSpec.get() + pos, len);
|
||
memcpy(result + len, tail, tailLen);
|
||
result[len + tailLen] = '\0';
|
||
return result;
|
||
}
|
||
|
||
nsresult nsStandardURL::ReadSegment(nsIBinaryInputStream* stream,
|
||
URLSegment& seg) {
|
||
nsresult rv;
|
||
|
||
uint32_t pos = seg.mPos;
|
||
rv = stream->Read32(&pos);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
seg.mPos = pos;
|
||
|
||
uint32_t len = seg.mLen;
|
||
rv = stream->Read32(&len);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
CheckedInt<int32_t> checkedLen(len);
|
||
if (!checkedLen.isValid()) {
|
||
seg.mLen = -1;
|
||
} else {
|
||
seg.mLen = len;
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::WriteSegment(nsIBinaryOutputStream* stream,
|
||
const URLSegment& seg) {
|
||
nsresult rv;
|
||
|
||
rv = stream->Write32(seg.mPos);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = stream->Write32(uint32_t(seg.mLen));
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
#define SHIFT_FROM(name, what) \
|
||
void nsStandardURL::name(int32_t diff) { \
|
||
if (!diff) return; \
|
||
if ((what).mLen >= 0) { \
|
||
CheckedInt<int32_t> pos = (uint32_t)(what).mPos; \
|
||
pos += diff; \
|
||
MOZ_ASSERT(pos.isValid()); \
|
||
(what).mPos = pos.value(); \
|
||
} else { \
|
||
MOZ_RELEASE_ASSERT((what).mLen == -1); \
|
||
}
|
||
|
||
#define SHIFT_FROM_NEXT(name, what, next) \
|
||
SHIFT_FROM(name, what) \
|
||
next(diff); \
|
||
}
|
||
|
||
#define SHIFT_FROM_LAST(name, what) \
|
||
SHIFT_FROM(name, what) \
|
||
}
|
||
|
||
SHIFT_FROM_NEXT(ShiftFromAuthority, mAuthority, ShiftFromUsername)
|
||
SHIFT_FROM_NEXT(ShiftFromUsername, mUsername, ShiftFromPassword)
|
||
SHIFT_FROM_NEXT(ShiftFromPassword, mPassword, ShiftFromHost)
|
||
SHIFT_FROM_NEXT(ShiftFromHost, mHost, ShiftFromPath)
|
||
SHIFT_FROM_NEXT(ShiftFromPath, mPath, ShiftFromFilepath)
|
||
SHIFT_FROM_NEXT(ShiftFromFilepath, mFilepath, ShiftFromDirectory)
|
||
SHIFT_FROM_NEXT(ShiftFromDirectory, mDirectory, ShiftFromBasename)
|
||
SHIFT_FROM_NEXT(ShiftFromBasename, mBasename, ShiftFromExtension)
|
||
SHIFT_FROM_NEXT(ShiftFromExtension, mExtension, ShiftFromQuery)
|
||
SHIFT_FROM_NEXT(ShiftFromQuery, mQuery, ShiftFromRef)
|
||
SHIFT_FROM_LAST(ShiftFromRef, mRef)
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsIClassInfo
|
||
//----------------------------------------------------------------------------
|
||
|
||
NS_IMPL_CLASSINFO(nsStandardURL, nullptr, nsIClassInfo::THREADSAFE,
|
||
NS_STANDARDURL_CID)
|
||
// Empty CI getter. We only need nsIClassInfo for Serialization
|
||
NS_IMPL_CI_INTERFACE_GETTER0(nsStandardURL)
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsISupports
|
||
//----------------------------------------------------------------------------
|
||
|
||
NS_IMPL_ADDREF(nsStandardURL)
|
||
NS_IMPL_RELEASE(nsStandardURL)
|
||
|
||
NS_INTERFACE_MAP_BEGIN(nsStandardURL)
|
||
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStandardURL)
|
||
NS_INTERFACE_MAP_ENTRY(nsIURI)
|
||
NS_INTERFACE_MAP_ENTRY(nsIURL)
|
||
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIFileURL, mSupportsFileURL)
|
||
NS_INTERFACE_MAP_ENTRY(nsIStandardURL)
|
||
NS_INTERFACE_MAP_ENTRY(nsISerializable)
|
||
NS_IMPL_QUERY_CLASSINFO(nsStandardURL)
|
||
NS_INTERFACE_MAP_ENTRY(nsISensitiveInfoHiddenURI)
|
||
// see nsStandardURL::Equals
|
||
if (aIID.Equals(kThisImplCID)) {
|
||
foundInterface = static_cast<nsIURI*>(this);
|
||
} else
|
||
NS_INTERFACE_MAP_ENTRY(nsISizeOf)
|
||
NS_INTERFACE_MAP_END
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsIURI
|
||
//----------------------------------------------------------------------------
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetSpec(nsACString& result) {
|
||
MOZ_ASSERT(mSpec.Length() <= StaticPrefs::network_standard_url_max_length(),
|
||
"The spec should never be this long, we missed a check.");
|
||
result = mSpec;
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetSensitiveInfoHiddenSpec(nsACString& result) {
|
||
nsresult rv = GetSpec(result);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
if (mPassword.mLen > 0) {
|
||
result.ReplaceLiteral(mPassword.mPos, mPassword.mLen, "****");
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetSpecIgnoringRef(nsACString& result) {
|
||
// URI without ref is 0 to one char before ref
|
||
if (mRef.mLen < 0) {
|
||
return GetSpec(result);
|
||
}
|
||
|
||
URLSegment noRef(0, mRef.mPos - 1);
|
||
result = Segment(noRef);
|
||
MOZ_ASSERT(mCheckedIfHostA);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::CheckIfHostIsAscii() {
|
||
nsresult rv;
|
||
if (mCheckedIfHostA) {
|
||
return NS_OK;
|
||
}
|
||
|
||
mCheckedIfHostA = true;
|
||
|
||
if (!gIDN) {
|
||
return NS_ERROR_NOT_INITIALIZED;
|
||
}
|
||
|
||
nsAutoCString displayHost;
|
||
bool isAscii;
|
||
rv = gIDN->ConvertToDisplayIDN(Host(), &isAscii, displayHost);
|
||
if (NS_FAILED(rv)) {
|
||
mDisplayHost.Truncate();
|
||
mCheckedIfHostA = false;
|
||
return rv;
|
||
}
|
||
|
||
if (!isAscii) {
|
||
mDisplayHost = displayHost;
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetDisplaySpec(nsACString& aUnicodeSpec) {
|
||
aUnicodeSpec.Assign(mSpec);
|
||
MOZ_ASSERT(mCheckedIfHostA);
|
||
if (!mDisplayHost.IsEmpty()) {
|
||
aUnicodeSpec.Replace(mHost.mPos, mHost.mLen, mDisplayHost);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetDisplayHostPort(nsACString& aUnicodeHostPort) {
|
||
nsAutoCString unicodeHostPort;
|
||
|
||
nsresult rv = GetDisplayHost(unicodeHostPort);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
if (StringBeginsWith(Hostport(), "["_ns)) {
|
||
aUnicodeHostPort.AssignLiteral("[");
|
||
aUnicodeHostPort.Append(unicodeHostPort);
|
||
aUnicodeHostPort.AppendLiteral("]");
|
||
} else {
|
||
aUnicodeHostPort.Assign(unicodeHostPort);
|
||
}
|
||
|
||
uint32_t pos = mHost.mPos + mHost.mLen;
|
||
if (pos < mPath.mPos) {
|
||
aUnicodeHostPort += Substring(mSpec, pos, mPath.mPos - pos);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetDisplayHost(nsACString& aUnicodeHost) {
|
||
MOZ_ASSERT(mCheckedIfHostA);
|
||
if (mDisplayHost.IsEmpty()) {
|
||
return GetAsciiHost(aUnicodeHost);
|
||
}
|
||
|
||
aUnicodeHost = mDisplayHost;
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetPrePath(nsACString& result) {
|
||
result = Prepath();
|
||
MOZ_ASSERT(mCheckedIfHostA);
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetDisplayPrePath(nsACString& result) {
|
||
result = Prepath();
|
||
MOZ_ASSERT(mCheckedIfHostA);
|
||
if (!mDisplayHost.IsEmpty()) {
|
||
result.Replace(mHost.mPos, mHost.mLen, mDisplayHost);
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
// result is strictly US-ASCII
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetScheme(nsACString& result) {
|
||
result = Scheme();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetUserPass(nsACString& result) {
|
||
result = Userpass();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetUsername(nsACString& result) {
|
||
result = Username();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetPassword(nsACString& result) {
|
||
result = Password();
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetHostPort(nsACString& result) {
|
||
return GetAsciiHostPort(result);
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetHost(nsACString& result) { return GetAsciiHost(result); }
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetPort(int32_t* result) {
|
||
// should never be more than 16 bit
|
||
MOZ_ASSERT(mPort <= std::numeric_limits<uint16_t>::max());
|
||
*result = mPort;
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetPathQueryRef(nsACString& result) {
|
||
result = Path();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result is ASCII
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetAsciiSpec(nsACString& result) {
|
||
result = mSpec;
|
||
return NS_OK;
|
||
}
|
||
|
||
// result is ASCII
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetAsciiHostPort(nsACString& result) {
|
||
result = Hostport();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result is ASCII
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetAsciiHost(nsACString& result) {
|
||
result = Host();
|
||
return NS_OK;
|
||
}
|
||
|
||
static bool IsSpecialProtocol(const nsACString& input) {
|
||
nsACString::const_iterator start, end;
|
||
input.BeginReading(start);
|
||
nsACString::const_iterator iterator(start);
|
||
input.EndReading(end);
|
||
|
||
while (iterator != end && *iterator != ':') {
|
||
iterator++;
|
||
}
|
||
|
||
nsAutoCString protocol(nsDependentCSubstring(start.get(), iterator.get()));
|
||
|
||
return protocol.LowerCaseEqualsLiteral("http") ||
|
||
protocol.LowerCaseEqualsLiteral("https") ||
|
||
protocol.LowerCaseEqualsLiteral("ftp") ||
|
||
protocol.LowerCaseEqualsLiteral("ws") ||
|
||
protocol.LowerCaseEqualsLiteral("wss") ||
|
||
protocol.LowerCaseEqualsLiteral("file") ||
|
||
protocol.LowerCaseEqualsLiteral("gopher");
|
||
}
|
||
|
||
nsresult nsStandardURL::SetSpecInternal(const nsACString& input) {
|
||
return SetSpecWithEncoding(input, nullptr);
|
||
}
|
||
|
||
nsresult nsStandardURL::SetSpecWithEncoding(const nsACString& input,
|
||
const Encoding* encoding) {
|
||
const nsPromiseFlatCString& flat = PromiseFlatCString(input);
|
||
LOG(("nsStandardURL::SetSpec [spec=%s]\n", flat.get()));
|
||
|
||
if (input.Length() > StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
// filter out unexpected chars "\r\n\t" if necessary
|
||
nsAutoCString filteredURI;
|
||
net_FilterURIString(flat, filteredURI);
|
||
|
||
if (filteredURI.Length() == 0) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
// Make a backup of the current URL
|
||
nsStandardURL prevURL(false, false);
|
||
prevURL.CopyMembers(this, eHonorRef, ""_ns);
|
||
Clear();
|
||
|
||
if (IsSpecialProtocol(filteredURI)) {
|
||
// Bug 652186: Replace all backslashes with slashes when parsing paths
|
||
// Stop when we reach the query or the hash.
|
||
auto* start = filteredURI.BeginWriting();
|
||
auto* end = filteredURI.EndWriting();
|
||
while (start != end) {
|
||
if (*start == '?' || *start == '#') {
|
||
break;
|
||
}
|
||
if (*start == '\\') {
|
||
*start = '/';
|
||
}
|
||
start++;
|
||
}
|
||
}
|
||
|
||
const char* spec = filteredURI.get();
|
||
int32_t specLength = filteredURI.Length();
|
||
|
||
// parse the given URL...
|
||
nsresult rv = ParseURL(spec, specLength);
|
||
if (mScheme.mLen <= 0) {
|
||
rv = NS_ERROR_MALFORMED_URI;
|
||
}
|
||
if (NS_SUCCEEDED(rv)) {
|
||
// finally, use the URLSegment member variables to build a normalized
|
||
// copy of |spec|
|
||
rv = BuildNormalizedSpec(spec, encoding);
|
||
}
|
||
|
||
// Make sure that a URLTYPE_AUTHORITY has a non-empty hostname.
|
||
if (mURLType == URLTYPE_AUTHORITY && mHost.mLen == -1) {
|
||
rv = NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
if (NS_FAILED(rv)) {
|
||
Clear();
|
||
// If parsing the spec has failed, restore the old URL
|
||
// so we don't end up with an empty URL.
|
||
CopyMembers(&prevURL, eHonorRef, ""_ns);
|
||
return rv;
|
||
}
|
||
|
||
if (LOG_ENABLED()) {
|
||
LOG((" spec = %s\n", mSpec.get()));
|
||
LOG((" port = %d\n", mPort));
|
||
LOG((" scheme = (%u,%d)\n", (uint32_t)mScheme.mPos,
|
||
(int32_t)mScheme.mLen));
|
||
LOG((" authority = (%u,%d)\n", (uint32_t)mAuthority.mPos,
|
||
(int32_t)mAuthority.mLen));
|
||
LOG((" username = (%u,%d)\n", (uint32_t)mUsername.mPos,
|
||
(int32_t)mUsername.mLen));
|
||
LOG((" password = (%u,%d)\n", (uint32_t)mPassword.mPos,
|
||
(int32_t)mPassword.mLen));
|
||
LOG((" hostname = (%u,%d)\n", (uint32_t)mHost.mPos, (int32_t)mHost.mLen));
|
||
LOG((" path = (%u,%d)\n", (uint32_t)mPath.mPos, (int32_t)mPath.mLen));
|
||
LOG((" filepath = (%u,%d)\n", (uint32_t)mFilepath.mPos,
|
||
(int32_t)mFilepath.mLen));
|
||
LOG((" directory = (%u,%d)\n", (uint32_t)mDirectory.mPos,
|
||
(int32_t)mDirectory.mLen));
|
||
LOG((" basename = (%u,%d)\n", (uint32_t)mBasename.mPos,
|
||
(int32_t)mBasename.mLen));
|
||
LOG((" extension = (%u,%d)\n", (uint32_t)mExtension.mPos,
|
||
(int32_t)mExtension.mLen));
|
||
LOG((" query = (%u,%d)\n", (uint32_t)mQuery.mPos,
|
||
(int32_t)mQuery.mLen));
|
||
LOG((" ref = (%u,%d)\n", (uint32_t)mRef.mPos, (int32_t)mRef.mLen));
|
||
}
|
||
|
||
SanityCheck();
|
||
return rv;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetScheme(const nsACString& input) {
|
||
// Strip tabs, newlines, carriage returns from input
|
||
nsAutoCString scheme(input);
|
||
scheme.StripTaggedASCII(ASCIIMask::MaskCRLFTab());
|
||
|
||
LOG(("nsStandardURL::SetScheme [scheme=%s]\n", scheme.get()));
|
||
|
||
if (scheme.IsEmpty()) {
|
||
NS_WARNING("cannot remove the scheme from an url");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
if (mScheme.mLen < 0) {
|
||
NS_WARNING("uninitialized");
|
||
return NS_ERROR_NOT_INITIALIZED;
|
||
}
|
||
|
||
if (!net_IsValidScheme(scheme)) {
|
||
NS_WARNING("the given url scheme contains invalid characters");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Scheme().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
InvalidateCache();
|
||
|
||
int32_t shift = ReplaceSegment(mScheme.mPos, mScheme.mLen, scheme);
|
||
|
||
if (shift) {
|
||
mScheme.mLen = scheme.Length();
|
||
ShiftFromAuthority(shift);
|
||
}
|
||
|
||
// ensure new scheme is lowercase
|
||
//
|
||
// XXX the string code unfortunately doesn't provide a ToLowerCase
|
||
// that operates on a substring.
|
||
net_ToLowerCase((char*)mSpec.get(), mScheme.mLen);
|
||
|
||
// If the scheme changes the default port also changes.
|
||
if (Scheme() == "http"_ns || Scheme() == "ws"_ns) {
|
||
mDefaultPort = 80;
|
||
} else if (Scheme() == "https"_ns || Scheme() == "wss"_ns) {
|
||
mDefaultPort = 443;
|
||
}
|
||
if (mPort == mDefaultPort) {
|
||
MOZ_ALWAYS_SUCCEEDS(SetPort(-1));
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetUserPass(const nsACString& input) {
|
||
const nsPromiseFlatCString& userpass = PromiseFlatCString(input);
|
||
|
||
LOG(("nsStandardURL::SetUserPass [userpass=%s]\n", userpass.get()));
|
||
|
||
if (mURLType == URLTYPE_NO_AUTHORITY) {
|
||
if (userpass.IsEmpty()) {
|
||
return NS_OK;
|
||
}
|
||
NS_WARNING("cannot set user:pass on no-auth url");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
if (mAuthority.mLen < 0) {
|
||
NS_WARNING("uninitialized");
|
||
return NS_ERROR_NOT_INITIALIZED;
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Userpass(true).Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
InvalidateCache();
|
||
|
||
NS_ASSERTION(mHost.mLen >= 0, "uninitialized");
|
||
|
||
nsresult rv;
|
||
uint32_t usernamePos, passwordPos;
|
||
int32_t usernameLen, passwordLen;
|
||
|
||
rv = mParser->ParseUserInfo(userpass.get(), userpass.Length(), &usernamePos,
|
||
&usernameLen, &passwordPos, &passwordLen);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// build new user:pass in |buf|
|
||
nsAutoCString buf;
|
||
if (usernameLen > 0 || passwordLen > 0) {
|
||
nsSegmentEncoder encoder;
|
||
bool ignoredOut;
|
||
usernameLen = encoder.EncodeSegmentCount(
|
||
userpass.get(), URLSegment(usernamePos, usernameLen),
|
||
esc_Username | esc_AlwaysCopy, buf, ignoredOut);
|
||
if (passwordLen > 0) {
|
||
buf.Append(':');
|
||
passwordLen = encoder.EncodeSegmentCount(
|
||
userpass.get(), URLSegment(passwordPos, passwordLen),
|
||
esc_Password | esc_AlwaysCopy, buf, ignoredOut);
|
||
} else {
|
||
passwordLen = -1;
|
||
}
|
||
if (mUsername.mLen < 0 && mPassword.mLen < 0) {
|
||
buf.Append('@');
|
||
}
|
||
}
|
||
|
||
int32_t shift = 0;
|
||
|
||
if (mUsername.mLen < 0 && mPassword.mLen < 0) {
|
||
// no existing user:pass
|
||
if (!buf.IsEmpty()) {
|
||
mSpec.Insert(buf, mHost.mPos);
|
||
mUsername.mPos = mHost.mPos;
|
||
shift = buf.Length();
|
||
}
|
||
} else {
|
||
// replace existing user:pass
|
||
uint32_t userpassLen = 0;
|
||
if (mUsername.mLen > 0) {
|
||
userpassLen += mUsername.mLen;
|
||
}
|
||
if (mPassword.mLen > 0) {
|
||
userpassLen += (mPassword.mLen + 1);
|
||
}
|
||
if (buf.IsEmpty()) {
|
||
// remove `@` character too
|
||
userpassLen++;
|
||
}
|
||
mSpec.Replace(mAuthority.mPos, userpassLen, buf);
|
||
shift = buf.Length() - userpassLen;
|
||
}
|
||
if (shift) {
|
||
ShiftFromHost(shift);
|
||
MOZ_DIAGNOSTIC_ASSERT(mAuthority.mLen >= -shift);
|
||
mAuthority.mLen += shift;
|
||
}
|
||
// update positions and lengths
|
||
mUsername.mLen = usernameLen > 0 ? usernameLen : -1;
|
||
mUsername.mPos = mAuthority.mPos;
|
||
mPassword.mLen = passwordLen > 0 ? passwordLen : -1;
|
||
if (passwordLen > 0) {
|
||
if (mUsername.mLen > 0) {
|
||
mPassword.mPos = mUsername.mPos + mUsername.mLen + 1;
|
||
} else {
|
||
mPassword.mPos = mAuthority.mPos + 1;
|
||
}
|
||
}
|
||
|
||
MOZ_ASSERT(mUsername.mLen != 0 && mPassword.mLen != 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetUsername(const nsACString& input) {
|
||
const nsPromiseFlatCString& username = PromiseFlatCString(input);
|
||
|
||
LOG(("nsStandardURL::SetUsername [username=%s]\n", username.get()));
|
||
|
||
if (mURLType == URLTYPE_NO_AUTHORITY) {
|
||
if (username.IsEmpty()) {
|
||
return NS_OK;
|
||
}
|
||
NS_WARNING("cannot set username on no-auth url");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Username().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
InvalidateCache();
|
||
|
||
// escape username if necessary
|
||
nsAutoCString buf;
|
||
nsSegmentEncoder encoder;
|
||
const nsACString& escUsername =
|
||
encoder.EncodeSegment(username, esc_Username, buf);
|
||
|
||
int32_t shift = 0;
|
||
|
||
if (mUsername.mLen < 0 && escUsername.IsEmpty()) {
|
||
return NS_OK;
|
||
}
|
||
|
||
if (mUsername.mLen < 0 && mPassword.mLen < 0) {
|
||
MOZ_ASSERT(!escUsername.IsEmpty(), "Should not be empty at this point");
|
||
mUsername.mPos = mAuthority.mPos;
|
||
mSpec.Insert(escUsername + "@"_ns, mUsername.mPos);
|
||
shift = escUsername.Length() + 1;
|
||
mUsername.mLen = escUsername.Length() > 0 ? escUsername.Length() : -1;
|
||
} else {
|
||
uint32_t pos = mUsername.mLen < 0 ? mAuthority.mPos : mUsername.mPos;
|
||
int32_t len = mUsername.mLen < 0 ? 0 : mUsername.mLen;
|
||
|
||
if (mPassword.mLen < 0 && escUsername.IsEmpty()) {
|
||
len++; // remove the @ character too
|
||
}
|
||
shift = ReplaceSegment(pos, len, escUsername);
|
||
mUsername.mLen = escUsername.Length() > 0 ? escUsername.Length() : -1;
|
||
mUsername.mPos = pos;
|
||
}
|
||
|
||
if (shift) {
|
||
mAuthority.mLen += shift;
|
||
ShiftFromPassword(shift);
|
||
}
|
||
|
||
MOZ_ASSERT(mUsername.mLen != 0 && mPassword.mLen != 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetPassword(const nsACString& input) {
|
||
const nsPromiseFlatCString& password = PromiseFlatCString(input);
|
||
|
||
auto clearedPassword = MakeScopeExit([&password, this]() {
|
||
// Check that if this method is called with the empty string then the
|
||
// password is definitely cleared when exiting this method.
|
||
if (password.IsEmpty()) {
|
||
MOZ_DIAGNOSTIC_ASSERT(this->Password().IsEmpty());
|
||
}
|
||
Unused << this; // silence compiler -Wunused-lambda-capture
|
||
});
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
LOG(("nsStandardURL::SetPassword [password=%s]\n", password.get()));
|
||
|
||
if (mURLType == URLTYPE_NO_AUTHORITY) {
|
||
if (password.IsEmpty()) {
|
||
return NS_OK;
|
||
}
|
||
NS_WARNING("cannot set password on no-auth url");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Password().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
InvalidateCache();
|
||
|
||
if (password.IsEmpty()) {
|
||
if (mPassword.mLen > 0) {
|
||
// cut(":password")
|
||
int32_t len = mPassword.mLen;
|
||
if (mUsername.mLen < 0) {
|
||
len++; // also cut the @ character
|
||
}
|
||
len++; // for the : character
|
||
mSpec.Cut(mPassword.mPos - 1, len);
|
||
ShiftFromHost(-len);
|
||
mAuthority.mLen -= len;
|
||
mPassword.mLen = -1;
|
||
}
|
||
MOZ_ASSERT(mUsername.mLen != 0 && mPassword.mLen != 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
// escape password if necessary
|
||
nsAutoCString buf;
|
||
nsSegmentEncoder encoder;
|
||
const nsACString& escPassword =
|
||
encoder.EncodeSegment(password, esc_Password, buf);
|
||
|
||
int32_t shift;
|
||
|
||
if (mPassword.mLen < 0) {
|
||
if (mUsername.mLen > 0) {
|
||
mPassword.mPos = mUsername.mPos + mUsername.mLen + 1;
|
||
mSpec.Insert(":"_ns + escPassword, mPassword.mPos - 1);
|
||
shift = escPassword.Length() + 1;
|
||
} else {
|
||
mPassword.mPos = mAuthority.mPos + 1;
|
||
mSpec.Insert(":"_ns + escPassword + "@"_ns, mPassword.mPos - 1);
|
||
shift = escPassword.Length() + 2;
|
||
}
|
||
} else {
|
||
shift = ReplaceSegment(mPassword.mPos, mPassword.mLen, escPassword);
|
||
}
|
||
|
||
if (shift) {
|
||
mPassword.mLen = escPassword.Length();
|
||
mAuthority.mLen += shift;
|
||
ShiftFromHost(shift);
|
||
}
|
||
|
||
MOZ_ASSERT(mUsername.mLen != 0 && mPassword.mLen != 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
void nsStandardURL::FindHostLimit(nsACString::const_iterator& aStart,
|
||
nsACString::const_iterator& aEnd) {
|
||
for (int32_t i = 0; gHostLimitDigits[i]; ++i) {
|
||
nsACString::const_iterator c(aStart);
|
||
if (FindCharInReadable(gHostLimitDigits[i], c, aEnd)) {
|
||
aEnd = c;
|
||
}
|
||
}
|
||
}
|
||
|
||
// If aValue only has a host part and no port number, the port
|
||
// will not be reset!!!
|
||
nsresult nsStandardURL::SetHostPort(const nsACString& aValue) {
|
||
// We cannot simply call nsIURI::SetHost because that would treat the name as
|
||
// an IPv6 address (like http:://[server:443]/). We also cannot call
|
||
// nsIURI::SetHostPort because that isn't implemented. Sadfaces.
|
||
|
||
nsACString::const_iterator start, end;
|
||
aValue.BeginReading(start);
|
||
aValue.EndReading(end);
|
||
nsACString::const_iterator iter(start);
|
||
bool isIPv6 = false;
|
||
|
||
FindHostLimit(start, end);
|
||
|
||
if (*start == '[') { // IPv6 address
|
||
if (!FindCharInReadable(']', iter, end)) {
|
||
// the ] character is missing
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
// iter now at the ']' character
|
||
isIPv6 = true;
|
||
} else {
|
||
nsACString::const_iterator iter2(start);
|
||
if (FindCharInReadable(']', iter2, end)) {
|
||
// if the first char isn't [ then there should be no ] character
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
}
|
||
|
||
FindCharInReadable(':', iter, end);
|
||
|
||
if (!isIPv6 && iter != end) {
|
||
nsACString::const_iterator iter2(iter);
|
||
iter2++; // Skip over the first ':' character
|
||
if (FindCharInReadable(':', iter2, end)) {
|
||
// If there is more than one ':' character it suggests an IPv6
|
||
// The format should be [2001::1]:80 where the port is optional
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
}
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
nsresult rv = SetHost(Substring(start, iter));
|
||
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
||
if (iter == end) {
|
||
// does not end in colon
|
||
return NS_OK;
|
||
}
|
||
|
||
iter++; // advance over the colon
|
||
if (iter == end) {
|
||
// port number is missing
|
||
return NS_OK;
|
||
}
|
||
|
||
nsCString portStr(Substring(iter, end));
|
||
int32_t port = portStr.ToInteger(&rv);
|
||
if (NS_FAILED(rv)) {
|
||
// Failure parsing the port number
|
||
return NS_OK;
|
||
}
|
||
|
||
Unused << SetPort(port);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetHost(const nsACString& input) {
|
||
nsAutoCString hostname(input);
|
||
hostname.StripTaggedASCII(ASCIIMask::MaskCRLFTab());
|
||
|
||
nsACString::const_iterator start, end;
|
||
hostname.BeginReading(start);
|
||
hostname.EndReading(end);
|
||
|
||
FindHostLimit(start, end);
|
||
|
||
// Do percent decoding on the the input.
|
||
nsAutoCString flat;
|
||
NS_UnescapeURL(hostname.BeginReading(), end - start,
|
||
esc_AlwaysCopy | esc_Host, flat);
|
||
const char* host = flat.get();
|
||
|
||
LOG(("nsStandardURL::SetHost [host=%s]\n", host));
|
||
|
||
if (mURLType == URLTYPE_NO_AUTHORITY) {
|
||
if (flat.IsEmpty()) {
|
||
return NS_OK;
|
||
}
|
||
NS_WARNING("cannot set host on no-auth url");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
if (flat.IsEmpty()) {
|
||
// Setting an empty hostname is not allowed for
|
||
// URLTYPE_STANDARD and URLTYPE_AUTHORITY.
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
|
||
if (strlen(host) < flat.Length()) {
|
||
return NS_ERROR_MALFORMED_URI; // found embedded null
|
||
}
|
||
|
||
// For consistency with SetSpec/nsURLParsers, don't allow spaces
|
||
// in the hostname.
|
||
if (strchr(host, ' ')) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
if (mSpec.Length() + strlen(host) - Host().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
InvalidateCache();
|
||
|
||
uint32_t len;
|
||
nsAutoCString hostBuf;
|
||
nsresult rv = NormalizeIDN(flat, hostBuf);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
if (!SegmentIs(mScheme, "resource") && !SegmentIs(mScheme, "chrome")) {
|
||
nsAutoCString ipString;
|
||
if (hostBuf.Length() > 0 && hostBuf.First() == '[' &&
|
||
hostBuf.Last() == ']' &&
|
||
ValidIPv6orHostname(hostBuf.get(), hostBuf.Length())) {
|
||
rv = (nsresult)rusturl_parse_ipv6addr(&hostBuf, &ipString);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
hostBuf = ipString;
|
||
} else {
|
||
if (EndsInANumber(hostBuf)) {
|
||
rv = NormalizeIPv4(hostBuf, ipString);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
hostBuf = ipString;
|
||
}
|
||
}
|
||
}
|
||
|
||
// NormalizeIDN always copies if the call was successful
|
||
host = hostBuf.get();
|
||
len = hostBuf.Length();
|
||
|
||
if (!ValidIPv6orHostname(host, len)) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
if (mHost.mLen < 0) {
|
||
int port_length = 0;
|
||
if (mPort != -1) {
|
||
nsAutoCString buf;
|
||
buf.Assign(':');
|
||
buf.AppendInt(mPort);
|
||
port_length = buf.Length();
|
||
}
|
||
if (mAuthority.mLen > 0) {
|
||
mHost.mPos = mAuthority.mPos + mAuthority.mLen - port_length;
|
||
mHost.mLen = 0;
|
||
} else if (mScheme.mLen > 0) {
|
||
mHost.mPos = mScheme.mPos + mScheme.mLen + 3;
|
||
mHost.mLen = 0;
|
||
}
|
||
}
|
||
|
||
int32_t shift = ReplaceSegment(mHost.mPos, mHost.mLen, host, len);
|
||
|
||
if (shift) {
|
||
mHost.mLen = len;
|
||
mAuthority.mLen += shift;
|
||
ShiftFromPath(shift);
|
||
}
|
||
|
||
// Now canonicalize the host to lowercase
|
||
net_ToLowerCase(mSpec.BeginWriting() + mHost.mPos, mHost.mLen);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetPort(int32_t port) {
|
||
LOG(("nsStandardURL::SetPort [port=%d]\n", port));
|
||
|
||
if ((port == mPort) || (mPort == -1 && port == mDefaultPort)) {
|
||
return NS_OK;
|
||
}
|
||
|
||
// ports must be >= 0 and 16 bit
|
||
// -1 == use default
|
||
if (port < -1 || port > std::numeric_limits<uint16_t>::max()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
if (mURLType == URLTYPE_NO_AUTHORITY) {
|
||
NS_WARNING("cannot set port on no-auth url");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
InvalidateCache();
|
||
if (port == mDefaultPort) {
|
||
port = -1;
|
||
}
|
||
|
||
ReplacePortInSpec(port);
|
||
|
||
mPort = port;
|
||
return NS_OK;
|
||
}
|
||
|
||
/**
|
||
* Replaces the existing port in mSpec with aNewPort.
|
||
*
|
||
* The caller is responsible for:
|
||
* - Calling InvalidateCache (since our mSpec is changing).
|
||
* - Checking whether aNewPort is mDefaultPort (in which case the
|
||
* caller should pass aNewPort=-1).
|
||
*/
|
||
void nsStandardURL::ReplacePortInSpec(int32_t aNewPort) {
|
||
NS_ASSERTION(aNewPort != mDefaultPort || mDefaultPort == -1,
|
||
"Caller should check its passed-in value and pass -1 instead of "
|
||
"mDefaultPort, to avoid encoding default port into mSpec");
|
||
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
// Create the (possibly empty) string that we're planning to replace:
|
||
nsAutoCString buf;
|
||
if (mPort != -1) {
|
||
buf.Assign(':');
|
||
buf.AppendInt(mPort);
|
||
}
|
||
// Find the position & length of that string:
|
||
const uint32_t replacedLen = buf.Length();
|
||
const uint32_t replacedStart =
|
||
mAuthority.mPos + mAuthority.mLen - replacedLen;
|
||
|
||
// Create the (possibly empty) replacement string:
|
||
if (aNewPort == -1) {
|
||
buf.Truncate();
|
||
} else {
|
||
buf.Assign(':');
|
||
buf.AppendInt(aNewPort);
|
||
}
|
||
// Perform the replacement:
|
||
mSpec.Replace(replacedStart, replacedLen, buf);
|
||
|
||
// Bookkeeping to reflect the new length:
|
||
int32_t shift = buf.Length() - replacedLen;
|
||
mAuthority.mLen += shift;
|
||
ShiftFromPath(shift);
|
||
}
|
||
|
||
nsresult nsStandardURL::SetPathQueryRef(const nsACString& input) {
|
||
const nsPromiseFlatCString& path = PromiseFlatCString(input);
|
||
LOG(("nsStandardURL::SetPathQueryRef [path=%s]\n", path.get()));
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
InvalidateCache();
|
||
|
||
if (!path.IsEmpty()) {
|
||
nsAutoCString spec;
|
||
|
||
spec.Assign(mSpec.get(), mPath.mPos);
|
||
if (path.First() != '/') {
|
||
spec.Append('/');
|
||
}
|
||
spec.Append(path);
|
||
|
||
return SetSpecInternal(spec);
|
||
}
|
||
if (mPath.mLen >= 1) {
|
||
mSpec.Cut(mPath.mPos + 1, mPath.mLen - 1);
|
||
// these contain only a '/'
|
||
mPath.mLen = 1;
|
||
mDirectory.mLen = 1;
|
||
mFilepath.mLen = 1;
|
||
// these are no longer defined
|
||
mBasename.mLen = -1;
|
||
mExtension.mLen = -1;
|
||
mQuery.mLen = -1;
|
||
mRef.mLen = -1;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
// When updating this also update SubstitutingURL::Mutator
|
||
// Queries this list of interfaces. If none match, it queries mURI.
|
||
NS_IMPL_NSIURIMUTATOR_ISUPPORTS(nsStandardURL::Mutator, nsIURISetters,
|
||
nsIURIMutator, nsIStandardURLMutator,
|
||
nsIURLMutator, nsIFileURLMutator,
|
||
nsISerializable)
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::Mutate(nsIURIMutator** aMutator) {
|
||
RefPtr<nsStandardURL::Mutator> mutator = new nsStandardURL::Mutator();
|
||
nsresult rv = mutator->InitFromURI(this);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
mutator.forget(aMutator);
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::Equals(nsIURI* unknownOther, bool* result) {
|
||
return EqualsInternal(unknownOther, eHonorRef, result);
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::EqualsExceptRef(nsIURI* unknownOther, bool* result) {
|
||
return EqualsInternal(unknownOther, eIgnoreRef, result);
|
||
}
|
||
|
||
nsresult nsStandardURL::EqualsInternal(
|
||
nsIURI* unknownOther, nsStandardURL::RefHandlingEnum refHandlingMode,
|
||
bool* result) {
|
||
NS_ENSURE_ARG_POINTER(unknownOther);
|
||
MOZ_ASSERT(result, "null pointer");
|
||
|
||
RefPtr<nsStandardURL> other;
|
||
nsresult rv =
|
||
unknownOther->QueryInterface(kThisImplCID, getter_AddRefs(other));
|
||
if (NS_FAILED(rv)) {
|
||
*result = false;
|
||
return NS_OK;
|
||
}
|
||
|
||
// First, check whether one URIs is an nsIFileURL while the other
|
||
// is not. If that's the case, they're different.
|
||
if (mSupportsFileURL != other->mSupportsFileURL) {
|
||
*result = false;
|
||
return NS_OK;
|
||
}
|
||
|
||
// Next check parts of a URI that, if different, automatically make the
|
||
// URIs different
|
||
if (!SegmentIs(mScheme, other->mSpec.get(), other->mScheme) ||
|
||
// Check for host manually, since conversion to file will
|
||
// ignore the host!
|
||
!SegmentIs(mHost, other->mSpec.get(), other->mHost) ||
|
||
!SegmentIs(mQuery, other->mSpec.get(), other->mQuery) ||
|
||
!SegmentIs(mUsername, other->mSpec.get(), other->mUsername) ||
|
||
!SegmentIs(mPassword, other->mSpec.get(), other->mPassword) ||
|
||
Port() != other->Port()) {
|
||
// No need to compare files or other URI parts -- these are different
|
||
// beasties
|
||
*result = false;
|
||
return NS_OK;
|
||
}
|
||
|
||
if (refHandlingMode == eHonorRef &&
|
||
!SegmentIs(mRef, other->mSpec.get(), other->mRef)) {
|
||
*result = false;
|
||
return NS_OK;
|
||
}
|
||
|
||
// Then check for exact identity of URIs. If we have it, they're equal
|
||
if (SegmentIs(mDirectory, other->mSpec.get(), other->mDirectory) &&
|
||
SegmentIs(mBasename, other->mSpec.get(), other->mBasename) &&
|
||
SegmentIs(mExtension, other->mSpec.get(), other->mExtension)) {
|
||
*result = true;
|
||
return NS_OK;
|
||
}
|
||
|
||
// At this point, the URIs are not identical, but they only differ in the
|
||
// directory/filename/extension. If these are file URLs, then get the
|
||
// corresponding file objects and compare those, since two filenames that
|
||
// differ, eg, only in case could still be equal.
|
||
if (mSupportsFileURL) {
|
||
// Assume not equal for failure cases... but failures in GetFile are
|
||
// really failures, more or less, so propagate them to caller.
|
||
*result = false;
|
||
|
||
rv = EnsureFile();
|
||
nsresult rv2 = other->EnsureFile();
|
||
// special case for resource:// urls that don't resolve to files
|
||
if (rv == NS_ERROR_NO_INTERFACE && rv == rv2) {
|
||
return NS_OK;
|
||
}
|
||
|
||
if (NS_FAILED(rv)) {
|
||
LOG(("nsStandardURL::Equals [this=%p spec=%s] failed to ensure file",
|
||
this, mSpec.get()));
|
||
return rv;
|
||
}
|
||
NS_ASSERTION(mFile, "EnsureFile() lied!");
|
||
rv = rv2;
|
||
if (NS_FAILED(rv)) {
|
||
LOG(
|
||
("nsStandardURL::Equals [other=%p spec=%s] other failed to ensure "
|
||
"file",
|
||
other.get(), other->mSpec.get()));
|
||
return rv;
|
||
}
|
||
NS_ASSERTION(other->mFile, "EnsureFile() lied!");
|
||
return mFile->Equals(other->mFile, result);
|
||
}
|
||
|
||
// The URLs are not identical, and they do not correspond to the
|
||
// same file, so they are different.
|
||
*result = false;
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::SchemeIs(const char* scheme, bool* result) {
|
||
MOZ_ASSERT(result, "null pointer");
|
||
if (!scheme) {
|
||
*result = false;
|
||
return NS_OK;
|
||
}
|
||
|
||
*result = SegmentIs(mScheme, scheme);
|
||
return NS_OK;
|
||
}
|
||
|
||
/* virtual */ nsStandardURL* nsStandardURL::StartClone() {
|
||
nsStandardURL* clone = new nsStandardURL();
|
||
return clone;
|
||
}
|
||
|
||
nsresult nsStandardURL::Clone(nsIURI** aURI) {
|
||
return CloneInternal(eHonorRef, ""_ns, aURI);
|
||
}
|
||
|
||
nsresult nsStandardURL::CloneInternal(
|
||
nsStandardURL::RefHandlingEnum aRefHandlingMode, const nsACString& aNewRef,
|
||
nsIURI** aClone)
|
||
|
||
{
|
||
RefPtr<nsStandardURL> clone = StartClone();
|
||
if (!clone) {
|
||
return NS_ERROR_OUT_OF_MEMORY;
|
||
}
|
||
|
||
// Copy local members into clone.
|
||
// Also copies the cached members mFile, mDisplayHost
|
||
clone->CopyMembers(this, aRefHandlingMode, aNewRef, true);
|
||
|
||
clone.forget(aClone);
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::CopyMembers(
|
||
nsStandardURL* source, nsStandardURL::RefHandlingEnum refHandlingMode,
|
||
const nsACString& newRef, bool copyCached) {
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
mSpec = source->mSpec;
|
||
mDefaultPort = source->mDefaultPort;
|
||
mPort = source->mPort;
|
||
mScheme = source->mScheme;
|
||
mAuthority = source->mAuthority;
|
||
mUsername = source->mUsername;
|
||
mPassword = source->mPassword;
|
||
mHost = source->mHost;
|
||
mPath = source->mPath;
|
||
mFilepath = source->mFilepath;
|
||
mDirectory = source->mDirectory;
|
||
mBasename = source->mBasename;
|
||
mExtension = source->mExtension;
|
||
mQuery = source->mQuery;
|
||
mRef = source->mRef;
|
||
mURLType = source->mURLType;
|
||
mParser = source->mParser;
|
||
mSupportsFileURL = source->mSupportsFileURL;
|
||
mCheckedIfHostA = source->mCheckedIfHostA;
|
||
mDisplayHost = source->mDisplayHost;
|
||
|
||
if (copyCached) {
|
||
mFile = source->mFile;
|
||
} else {
|
||
InvalidateCache(true);
|
||
}
|
||
|
||
if (refHandlingMode == eIgnoreRef) {
|
||
SetRef(""_ns);
|
||
} else if (refHandlingMode == eReplaceRef) {
|
||
SetRef(newRef);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::Resolve(const nsACString& in, nsACString& out) {
|
||
const nsPromiseFlatCString& flat = PromiseFlatCString(in);
|
||
// filter out unexpected chars "\r\n\t" if necessary
|
||
nsAutoCString buf;
|
||
net_FilterURIString(flat, buf);
|
||
|
||
const char* relpath = buf.get();
|
||
int32_t relpathLen = buf.Length();
|
||
|
||
char* result = nullptr;
|
||
|
||
LOG(("nsStandardURL::Resolve [this=%p spec=%s relpath=%s]\n", this,
|
||
mSpec.get(), relpath));
|
||
|
||
NS_ASSERTION(mParser, "no parser: unitialized");
|
||
|
||
// NOTE: there is no need for this function to produce normalized
|
||
// output. normalization will occur when the result is used to
|
||
// initialize a nsStandardURL object.
|
||
|
||
if (mScheme.mLen < 0) {
|
||
NS_WARNING("unable to Resolve URL: this URL not initialized");
|
||
return NS_ERROR_NOT_INITIALIZED;
|
||
}
|
||
|
||
nsresult rv;
|
||
URLSegment scheme;
|
||
char* resultPath = nullptr;
|
||
bool relative = false;
|
||
uint32_t offset = 0;
|
||
netCoalesceFlags coalesceFlag = NET_COALESCE_NORMAL;
|
||
|
||
nsAutoCString baseProtocol(Scheme());
|
||
nsAutoCString protocol;
|
||
rv = net_ExtractURLScheme(buf, protocol);
|
||
|
||
// Normally, if we parse a scheme, then it's an absolute URI. But because
|
||
// we still support a deprecated form of relative URIs such as: http:file or
|
||
// http:/path/file we can't do that for all protocols.
|
||
// So we just make sure that if there a protocol, it's the same as the
|
||
// current one, otherwise we treat it as an absolute URI.
|
||
if (NS_SUCCEEDED(rv) && protocol != baseProtocol) {
|
||
out = buf;
|
||
return NS_OK;
|
||
}
|
||
|
||
// relative urls should never contain a host, so we always want to use
|
||
// the noauth url parser.
|
||
// use it to extract a possible scheme
|
||
uint32_t schemePos = scheme.mPos;
|
||
int32_t schemeLen = scheme.mLen;
|
||
rv = mParser->ParseURL(relpath, relpathLen, &schemePos, &schemeLen, nullptr,
|
||
nullptr, nullptr, nullptr);
|
||
|
||
// if the parser fails (for example because there is no valid scheme)
|
||
// reset the scheme and assume a relative url
|
||
if (NS_FAILED(rv)) {
|
||
scheme.Reset();
|
||
}
|
||
|
||
scheme.mPos = schemePos;
|
||
scheme.mLen = schemeLen;
|
||
|
||
protocol.Assign(Segment(scheme));
|
||
|
||
// We need to do backslash replacement for the following cases:
|
||
// 1. The input is an absolute path with a http/https/ftp scheme
|
||
// 2. The input is a relative path, and the base URL has a http/https/ftp
|
||
// scheme
|
||
if ((protocol.IsEmpty() && IsSpecialProtocol(baseProtocol)) ||
|
||
IsSpecialProtocol(protocol)) {
|
||
auto* start = buf.BeginWriting();
|
||
auto* end = buf.EndWriting();
|
||
while (start != end) {
|
||
if (*start == '?' || *start == '#') {
|
||
break;
|
||
}
|
||
if (*start == '\\') {
|
||
*start = '/';
|
||
}
|
||
start++;
|
||
}
|
||
}
|
||
|
||
if (scheme.mLen >= 0) {
|
||
// add some flags to coalesceFlag if it is an ftp-url
|
||
// need this later on when coalescing the resulting URL
|
||
if (SegmentIs(relpath, scheme, "ftp", true)) {
|
||
coalesceFlag =
|
||
(netCoalesceFlags)(coalesceFlag | NET_COALESCE_ALLOW_RELATIVE_ROOT |
|
||
NET_COALESCE_DOUBLE_SLASH_IS_ROOT);
|
||
}
|
||
// this URL appears to be absolute
|
||
// but try to find out more
|
||
if (SegmentIs(mScheme, relpath, scheme, true)) {
|
||
// mScheme and Scheme are the same
|
||
// but this can still be relative
|
||
if (strncmp(relpath + scheme.mPos + scheme.mLen, "://", 3) == 0) {
|
||
// now this is really absolute
|
||
// because a :// follows the scheme
|
||
result = NS_xstrdup(relpath);
|
||
} else {
|
||
// This is a deprecated form of relative urls like
|
||
// http:file or http:/path/file
|
||
// we will support it for now ...
|
||
relative = true;
|
||
offset = scheme.mLen + 1;
|
||
}
|
||
} else {
|
||
// the schemes are not the same, we are also done
|
||
// because we have to assume this is absolute
|
||
result = NS_xstrdup(relpath);
|
||
}
|
||
} else {
|
||
// add some flags to coalesceFlag if it is an ftp-url
|
||
// need this later on when coalescing the resulting URL
|
||
if (SegmentIs(mScheme, "ftp")) {
|
||
coalesceFlag =
|
||
(netCoalesceFlags)(coalesceFlag | NET_COALESCE_ALLOW_RELATIVE_ROOT |
|
||
NET_COALESCE_DOUBLE_SLASH_IS_ROOT);
|
||
}
|
||
if (relpath[0] == '/' && relpath[1] == '/') {
|
||
// this URL //host/path is almost absolute
|
||
result = AppendToSubstring(mScheme.mPos, mScheme.mLen + 1, relpath);
|
||
} else {
|
||
// then it must be relative
|
||
relative = true;
|
||
}
|
||
}
|
||
if (relative) {
|
||
uint32_t len = 0;
|
||
const char* realrelpath = relpath + offset;
|
||
switch (*realrelpath) {
|
||
case '/':
|
||
// overwrite everything after the authority
|
||
len = mAuthority.mPos + mAuthority.mLen;
|
||
break;
|
||
case '?':
|
||
// overwrite the existing ?query and #ref
|
||
if (mQuery.mLen >= 0) {
|
||
len = mQuery.mPos - 1;
|
||
} else if (mRef.mLen >= 0) {
|
||
len = mRef.mPos - 1;
|
||
} else {
|
||
len = mPath.mPos + mPath.mLen;
|
||
}
|
||
break;
|
||
case '#':
|
||
case '\0':
|
||
// overwrite the existing #ref
|
||
if (mRef.mLen < 0) {
|
||
len = mPath.mPos + mPath.mLen;
|
||
} else {
|
||
len = mRef.mPos - 1;
|
||
}
|
||
break;
|
||
default:
|
||
if (coalesceFlag & NET_COALESCE_DOUBLE_SLASH_IS_ROOT) {
|
||
if (Filename().Equals("%2F"_ns, nsCaseInsensitiveCStringComparator)) {
|
||
// if ftp URL ends with %2F then simply
|
||
// append relative part because %2F also
|
||
// marks the root directory with ftp-urls
|
||
len = mFilepath.mPos + mFilepath.mLen;
|
||
} else {
|
||
// overwrite everything after the directory
|
||
len = mDirectory.mPos + mDirectory.mLen;
|
||
}
|
||
} else {
|
||
// overwrite everything after the directory
|
||
len = mDirectory.mPos + mDirectory.mLen;
|
||
}
|
||
}
|
||
result = AppendToSubstring(0, len, realrelpath);
|
||
// locate result path
|
||
resultPath = result + mPath.mPos;
|
||
}
|
||
if (!result) {
|
||
return NS_ERROR_OUT_OF_MEMORY;
|
||
}
|
||
|
||
if (resultPath) {
|
||
net_CoalesceDirs(coalesceFlag, resultPath);
|
||
} else {
|
||
// locate result path
|
||
resultPath = strstr(result, "://");
|
||
if (resultPath) {
|
||
// If there are multiple slashes after :// we must ignore them
|
||
// otherwise net_CoalesceDirs may think the host is a part of the path.
|
||
resultPath += 3;
|
||
if (protocol.IsEmpty() && Scheme() != "file") {
|
||
while (*resultPath == '/') {
|
||
resultPath++;
|
||
}
|
||
}
|
||
resultPath = strchr(resultPath, '/');
|
||
if (resultPath) {
|
||
net_CoalesceDirs(coalesceFlag, resultPath);
|
||
}
|
||
}
|
||
}
|
||
out.Adopt(result);
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetCommonBaseSpec(nsIURI* uri2, nsACString& aResult) {
|
||
NS_ENSURE_ARG_POINTER(uri2);
|
||
|
||
// if uri's are equal, then return uri as is
|
||
bool isEquals = false;
|
||
if (NS_SUCCEEDED(Equals(uri2, &isEquals)) && isEquals) {
|
||
return GetSpec(aResult);
|
||
}
|
||
|
||
aResult.Truncate();
|
||
|
||
// check pre-path; if they don't match, then return empty string
|
||
RefPtr<nsStandardURL> stdurl2;
|
||
nsresult rv = uri2->QueryInterface(kThisImplCID, getter_AddRefs(stdurl2));
|
||
isEquals = NS_SUCCEEDED(rv) &&
|
||
SegmentIs(mScheme, stdurl2->mSpec.get(), stdurl2->mScheme) &&
|
||
SegmentIs(mHost, stdurl2->mSpec.get(), stdurl2->mHost) &&
|
||
SegmentIs(mUsername, stdurl2->mSpec.get(), stdurl2->mUsername) &&
|
||
SegmentIs(mPassword, stdurl2->mSpec.get(), stdurl2->mPassword) &&
|
||
(Port() == stdurl2->Port());
|
||
if (!isEquals) {
|
||
return NS_OK;
|
||
}
|
||
|
||
// scan for first mismatched character
|
||
const char *thisIndex, *thatIndex, *startCharPos;
|
||
startCharPos = mSpec.get() + mDirectory.mPos;
|
||
thisIndex = startCharPos;
|
||
thatIndex = stdurl2->mSpec.get() + mDirectory.mPos;
|
||
while ((*thisIndex == *thatIndex) && *thisIndex) {
|
||
thisIndex++;
|
||
thatIndex++;
|
||
}
|
||
|
||
// backup to just after previous slash so we grab an appropriate path
|
||
// segment such as a directory (not partial segments)
|
||
// todo: also check for file matches which include '?' and '#'
|
||
while ((thisIndex != startCharPos) && (*(thisIndex - 1) != '/')) {
|
||
thisIndex--;
|
||
}
|
||
|
||
// grab spec from beginning to thisIndex
|
||
aResult = Substring(mSpec, mScheme.mPos, thisIndex - mSpec.get());
|
||
|
||
return rv;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetRelativeSpec(nsIURI* uri2, nsACString& aResult) {
|
||
NS_ENSURE_ARG_POINTER(uri2);
|
||
|
||
aResult.Truncate();
|
||
|
||
// if uri's are equal, then return empty string
|
||
bool isEquals = false;
|
||
if (NS_SUCCEEDED(Equals(uri2, &isEquals)) && isEquals) {
|
||
return NS_OK;
|
||
}
|
||
|
||
RefPtr<nsStandardURL> stdurl2;
|
||
nsresult rv = uri2->QueryInterface(kThisImplCID, getter_AddRefs(stdurl2));
|
||
isEquals = NS_SUCCEEDED(rv) &&
|
||
SegmentIs(mScheme, stdurl2->mSpec.get(), stdurl2->mScheme) &&
|
||
SegmentIs(mHost, stdurl2->mSpec.get(), stdurl2->mHost) &&
|
||
SegmentIs(mUsername, stdurl2->mSpec.get(), stdurl2->mUsername) &&
|
||
SegmentIs(mPassword, stdurl2->mSpec.get(), stdurl2->mPassword) &&
|
||
(Port() == stdurl2->Port());
|
||
if (!isEquals) {
|
||
return uri2->GetSpec(aResult);
|
||
}
|
||
|
||
// scan for first mismatched character
|
||
const char *thisIndex, *thatIndex, *startCharPos;
|
||
startCharPos = mSpec.get() + mDirectory.mPos;
|
||
thisIndex = startCharPos;
|
||
thatIndex = stdurl2->mSpec.get() + mDirectory.mPos;
|
||
|
||
#ifdef XP_WIN
|
||
bool isFileScheme = SegmentIs(mScheme, "file");
|
||
if (isFileScheme) {
|
||
// on windows, we need to match the first segment of the path
|
||
// if these don't match then we need to return an absolute path
|
||
// skip over any leading '/' in path
|
||
while ((*thisIndex == *thatIndex) && (*thisIndex == '/')) {
|
||
thisIndex++;
|
||
thatIndex++;
|
||
}
|
||
// look for end of first segment
|
||
while ((*thisIndex == *thatIndex) && *thisIndex && (*thisIndex != '/')) {
|
||
thisIndex++;
|
||
thatIndex++;
|
||
}
|
||
|
||
// if we didn't match through the first segment, return absolute path
|
||
if ((*thisIndex != '/') || (*thatIndex != '/')) {
|
||
return uri2->GetSpec(aResult);
|
||
}
|
||
}
|
||
#endif
|
||
|
||
while ((*thisIndex == *thatIndex) && *thisIndex) {
|
||
thisIndex++;
|
||
thatIndex++;
|
||
}
|
||
|
||
// backup to just after previous slash so we grab an appropriate path
|
||
// segment such as a directory (not partial segments)
|
||
// todo: also check for file matches with '#' and '?'
|
||
while ((*(thatIndex - 1) != '/') && (thatIndex != startCharPos)) {
|
||
thatIndex--;
|
||
}
|
||
|
||
const char* limit = mSpec.get() + mFilepath.mPos + mFilepath.mLen;
|
||
|
||
// need to account for slashes and add corresponding "../"
|
||
for (; thisIndex <= limit && *thisIndex; ++thisIndex) {
|
||
if (*thisIndex == '/') {
|
||
aResult.AppendLiteral("../");
|
||
}
|
||
}
|
||
|
||
// grab spec from thisIndex to end
|
||
uint32_t startPos = stdurl2->mScheme.mPos + thatIndex - stdurl2->mSpec.get();
|
||
aResult.Append(
|
||
Substring(stdurl2->mSpec, startPos, stdurl2->mSpec.Length() - startPos));
|
||
|
||
return rv;
|
||
}
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsIURL
|
||
//----------------------------------------------------------------------------
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetFilePath(nsACString& result) {
|
||
result = Filepath();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetQuery(nsACString& result) {
|
||
result = Query();
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetHasQuery(bool* result) {
|
||
*result = (mQuery.mLen >= 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetRef(nsACString& result) {
|
||
result = Ref();
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetHasRef(bool* result) {
|
||
*result = (mRef.mLen >= 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetHasUserPass(bool* result) {
|
||
*result = (mUsername.mLen >= 0) || (mPassword.mLen >= 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetDirectory(nsACString& result) {
|
||
result = Directory();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetFileName(nsACString& result) {
|
||
result = Filename();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetFileBaseName(nsACString& result) {
|
||
result = Basename();
|
||
return NS_OK;
|
||
}
|
||
|
||
// result may contain unescaped UTF-8 characters
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetFileExtension(nsACString& result) {
|
||
result = Extension();
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetFilePath(const nsACString& input) {
|
||
nsAutoCString str(input);
|
||
str.StripTaggedASCII(ASCIIMask::MaskCRLFTab());
|
||
const char* filepath = str.get();
|
||
|
||
LOG(("nsStandardURL::SetFilePath [filepath=%s]\n", filepath));
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
// if there isn't a filepath, then there can't be anything
|
||
// after the path either. this url is likely uninitialized.
|
||
if (mFilepath.mLen < 0) {
|
||
return SetPathQueryRef(str);
|
||
}
|
||
|
||
if (!str.IsEmpty()) {
|
||
nsAutoCString spec;
|
||
uint32_t dirPos, basePos, extPos;
|
||
int32_t dirLen, baseLen, extLen;
|
||
nsresult rv;
|
||
|
||
if (IsSpecialProtocol(mSpec)) {
|
||
// Bug 1873955: Replace all backslashes with slashes when parsing paths
|
||
// Stop when we reach the query or the hash.
|
||
auto* start = str.BeginWriting();
|
||
auto* end = str.EndWriting();
|
||
while (start != end) {
|
||
if (*start == '?' || *start == '#') {
|
||
break;
|
||
}
|
||
if (*start == '\\') {
|
||
*start = '/';
|
||
}
|
||
start++;
|
||
}
|
||
}
|
||
|
||
rv = mParser->ParseFilePath(filepath, str.Length(), &dirPos, &dirLen,
|
||
&basePos, &baseLen, &extPos, &extLen);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// build up new candidate spec
|
||
spec.Assign(mSpec.get(), mPath.mPos);
|
||
|
||
// ensure leading '/'
|
||
if (filepath[dirPos] != '/') {
|
||
spec.Append('/');
|
||
}
|
||
|
||
nsSegmentEncoder encoder;
|
||
|
||
// append encoded filepath components
|
||
if (dirLen > 0) {
|
||
encoder.EncodeSegment(
|
||
Substring(filepath + dirPos, filepath + dirPos + dirLen),
|
||
esc_Directory | esc_AlwaysCopy, spec);
|
||
}
|
||
if (baseLen > 0) {
|
||
encoder.EncodeSegment(
|
||
Substring(filepath + basePos, filepath + basePos + baseLen),
|
||
esc_FileBaseName | esc_AlwaysCopy, spec);
|
||
}
|
||
if (extLen >= 0) {
|
||
spec.Append('.');
|
||
if (extLen > 0) {
|
||
encoder.EncodeSegment(
|
||
Substring(filepath + extPos, filepath + extPos + extLen),
|
||
esc_FileExtension | esc_AlwaysCopy, spec);
|
||
}
|
||
}
|
||
|
||
// compute the ending position of the current filepath
|
||
if (mFilepath.mLen >= 0) {
|
||
uint32_t end = mFilepath.mPos + mFilepath.mLen;
|
||
if (mSpec.Length() > end) {
|
||
spec.Append(mSpec.get() + end, mSpec.Length() - end);
|
||
}
|
||
}
|
||
|
||
return SetSpecInternal(spec);
|
||
}
|
||
if (mPath.mLen > 1) {
|
||
mSpec.Cut(mPath.mPos + 1, mFilepath.mLen - 1);
|
||
// left shift query, and ref
|
||
ShiftFromQuery(1 - mFilepath.mLen);
|
||
// One character for '/', and if we have a query or ref we add their
|
||
// length and one extra for each '?' or '#' characters
|
||
mPath.mLen = 1 + (mQuery.mLen >= 0 ? (mQuery.mLen + 1) : 0) +
|
||
(mRef.mLen >= 0 ? (mRef.mLen + 1) : 0);
|
||
// these contain only a '/'
|
||
mDirectory.mLen = 1;
|
||
mFilepath.mLen = 1;
|
||
// these are no longer defined
|
||
mBasename.mLen = -1;
|
||
mExtension.mLen = -1;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
inline bool IsUTFEncoding(const Encoding* aEncoding) {
|
||
return aEncoding == UTF_8_ENCODING || aEncoding == UTF_16BE_ENCODING ||
|
||
aEncoding == UTF_16LE_ENCODING;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetQuery(const nsACString& input) {
|
||
return SetQueryWithEncoding(input, nullptr);
|
||
}
|
||
|
||
nsresult nsStandardURL::SetQueryWithEncoding(const nsACString& input,
|
||
const Encoding* encoding) {
|
||
const nsPromiseFlatCString& flat = PromiseFlatCString(input);
|
||
const char* query = flat.get();
|
||
|
||
LOG(("nsStandardURL::SetQuery [query=%s]\n", query));
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
if (IsUTFEncoding(encoding)) {
|
||
encoding = nullptr;
|
||
}
|
||
|
||
if (mPath.mLen < 0) {
|
||
return SetPathQueryRef(flat);
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Query().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
InvalidateCache();
|
||
|
||
if (flat.IsEmpty()) {
|
||
// remove existing query
|
||
if (mQuery.mLen >= 0) {
|
||
// remove query and leading '?'
|
||
mSpec.Cut(mQuery.mPos - 1, mQuery.mLen + 1);
|
||
ShiftFromRef(-(mQuery.mLen + 1));
|
||
mPath.mLen -= (mQuery.mLen + 1);
|
||
mQuery.mPos = 0;
|
||
mQuery.mLen = -1;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
// filter out unexpected chars "\r\n\t" if necessary
|
||
nsAutoCString filteredURI(flat);
|
||
filteredURI.StripTaggedASCII(ASCIIMask::MaskCRLFTab());
|
||
|
||
query = filteredURI.get();
|
||
int32_t queryLen = filteredURI.Length();
|
||
if (query[0] == '?') {
|
||
query++;
|
||
queryLen--;
|
||
}
|
||
|
||
if (mQuery.mLen < 0) {
|
||
if (mRef.mLen < 0) {
|
||
mQuery.mPos = mSpec.Length();
|
||
} else {
|
||
mQuery.mPos = mRef.mPos - 1;
|
||
}
|
||
mSpec.Insert('?', mQuery.mPos);
|
||
mQuery.mPos++;
|
||
mQuery.mLen = 0;
|
||
// the insertion pushes these out by 1
|
||
mPath.mLen++;
|
||
mRef.mPos++;
|
||
}
|
||
|
||
// encode query if necessary
|
||
nsAutoCString buf;
|
||
bool encoded;
|
||
nsSegmentEncoder encoder(encoding);
|
||
encoder.EncodeSegmentCount(query, URLSegment(0, queryLen), esc_Query, buf,
|
||
encoded);
|
||
if (encoded) {
|
||
query = buf.get();
|
||
queryLen = buf.Length();
|
||
}
|
||
|
||
int32_t shift = ReplaceSegment(mQuery.mPos, mQuery.mLen, query, queryLen);
|
||
|
||
if (shift) {
|
||
mQuery.mLen = queryLen;
|
||
mPath.mLen += shift;
|
||
ShiftFromRef(shift);
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetRef(const nsACString& input) {
|
||
const nsPromiseFlatCString& flat = PromiseFlatCString(input);
|
||
const char* ref = flat.get();
|
||
|
||
LOG(("nsStandardURL::SetRef [ref=%s]\n", ref));
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
if (mPath.mLen < 0) {
|
||
return SetPathQueryRef(flat);
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Ref().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
InvalidateCache();
|
||
|
||
if (input.IsEmpty()) {
|
||
// remove existing ref
|
||
if (mRef.mLen >= 0) {
|
||
// remove ref and leading '#'
|
||
mSpec.Cut(mRef.mPos - 1, mRef.mLen + 1);
|
||
mPath.mLen -= (mRef.mLen + 1);
|
||
mRef.mPos = 0;
|
||
mRef.mLen = -1;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
// filter out unexpected chars "\r\n\t" if necessary
|
||
nsAutoCString filteredURI(flat);
|
||
filteredURI.StripTaggedASCII(ASCIIMask::MaskCRLFTab());
|
||
|
||
ref = filteredURI.get();
|
||
int32_t refLen = filteredURI.Length();
|
||
if (ref[0] == '#') {
|
||
ref++;
|
||
refLen--;
|
||
}
|
||
|
||
if (mRef.mLen < 0) {
|
||
mSpec.Append('#');
|
||
++mPath.mLen; // Include the # in the path.
|
||
mRef.mPos = mSpec.Length();
|
||
mRef.mLen = 0;
|
||
}
|
||
|
||
// If precent encoding is necessary, `ref` will point to `buf`'s content.
|
||
// `buf` needs to outlive any use of the `ref` pointer.
|
||
nsAutoCString buf;
|
||
// encode ref if necessary
|
||
bool encoded;
|
||
nsSegmentEncoder encoder;
|
||
encoder.EncodeSegmentCount(ref, URLSegment(0, refLen), esc_Ref, buf, encoded);
|
||
if (encoded) {
|
||
ref = buf.get();
|
||
refLen = buf.Length();
|
||
}
|
||
|
||
int32_t shift = ReplaceSegment(mRef.mPos, mRef.mLen, ref, refLen);
|
||
mPath.mLen += shift;
|
||
mRef.mLen = refLen;
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetFileNameInternal(const nsACString& input) {
|
||
const nsPromiseFlatCString& flat = PromiseFlatCString(input);
|
||
const char* filename = flat.get();
|
||
|
||
LOG(("nsStandardURL::SetFileNameInternal [filename=%s]\n", filename));
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
|
||
if (mPath.mLen < 0) {
|
||
return SetPathQueryRef(flat);
|
||
}
|
||
|
||
if (mSpec.Length() + input.Length() - Filename().Length() >
|
||
StaticPrefs::network_standard_url_max_length()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
int32_t shift = 0;
|
||
|
||
if (!(filename && *filename)) {
|
||
// remove the filename
|
||
if (mBasename.mLen > 0) {
|
||
if (mExtension.mLen >= 0) {
|
||
mBasename.mLen += (mExtension.mLen + 1);
|
||
}
|
||
mSpec.Cut(mBasename.mPos, mBasename.mLen);
|
||
shift = -mBasename.mLen;
|
||
mBasename.mLen = 0;
|
||
mExtension.mLen = -1;
|
||
}
|
||
} else {
|
||
nsresult rv;
|
||
uint32_t basenamePos = 0;
|
||
int32_t basenameLen = -1;
|
||
uint32_t extensionPos = 0;
|
||
int32_t extensionLen = -1;
|
||
// let the parser locate the basename and extension
|
||
rv = mParser->ParseFileName(filename, flat.Length(), &basenamePos,
|
||
&basenameLen, &extensionPos, &extensionLen);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
URLSegment basename(basenamePos, basenameLen);
|
||
URLSegment extension(extensionPos, extensionLen);
|
||
|
||
if (basename.mLen < 0) {
|
||
// remove existing filename
|
||
if (mBasename.mLen >= 0) {
|
||
uint32_t len = mBasename.mLen;
|
||
if (mExtension.mLen >= 0) {
|
||
len += (mExtension.mLen + 1);
|
||
}
|
||
mSpec.Cut(mBasename.mPos, len);
|
||
shift = -int32_t(len);
|
||
mBasename.mLen = 0;
|
||
mExtension.mLen = -1;
|
||
}
|
||
} else {
|
||
nsAutoCString newFilename;
|
||
bool ignoredOut;
|
||
nsSegmentEncoder encoder;
|
||
basename.mLen = encoder.EncodeSegmentCount(
|
||
filename, basename, esc_FileBaseName | esc_AlwaysCopy, newFilename,
|
||
ignoredOut);
|
||
if (extension.mLen >= 0) {
|
||
newFilename.Append('.');
|
||
extension.mLen = encoder.EncodeSegmentCount(
|
||
filename, extension, esc_FileExtension | esc_AlwaysCopy,
|
||
newFilename, ignoredOut);
|
||
}
|
||
|
||
if (mBasename.mLen < 0) {
|
||
// insert new filename
|
||
mBasename.mPos = mDirectory.mPos + mDirectory.mLen;
|
||
mSpec.Insert(newFilename, mBasename.mPos);
|
||
shift = newFilename.Length();
|
||
} else {
|
||
// replace existing filename
|
||
uint32_t oldLen = uint32_t(mBasename.mLen);
|
||
if (mExtension.mLen >= 0) {
|
||
oldLen += (mExtension.mLen + 1);
|
||
}
|
||
mSpec.Replace(mBasename.mPos, oldLen, newFilename);
|
||
shift = newFilename.Length() - oldLen;
|
||
}
|
||
|
||
mBasename.mLen = basename.mLen;
|
||
mExtension.mLen = extension.mLen;
|
||
if (mExtension.mLen >= 0) {
|
||
mExtension.mPos = mBasename.mPos + mBasename.mLen + 1;
|
||
}
|
||
}
|
||
}
|
||
if (shift) {
|
||
ShiftFromQuery(shift);
|
||
mFilepath.mLen += shift;
|
||
mPath.mLen += shift;
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult nsStandardURL::SetFileBaseNameInternal(const nsACString& input) {
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
nsAutoCString extension;
|
||
nsresult rv = GetFileExtension(extension);
|
||
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
||
nsAutoCString newFileName(input);
|
||
|
||
if (!extension.IsEmpty()) {
|
||
newFileName.Append('.');
|
||
newFileName.Append(extension);
|
||
}
|
||
|
||
return SetFileNameInternal(newFileName);
|
||
}
|
||
|
||
nsresult nsStandardURL::SetFileExtensionInternal(const nsACString& input) {
|
||
auto onExitGuard = MakeScopeExit([&] { SanityCheck(); });
|
||
nsAutoCString newFileName;
|
||
nsresult rv = GetFileBaseName(newFileName);
|
||
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
||
if (!input.IsEmpty()) {
|
||
newFileName.Append('.');
|
||
newFileName.Append(input);
|
||
}
|
||
|
||
return SetFileNameInternal(newFileName);
|
||
}
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsIFileURL
|
||
//----------------------------------------------------------------------------
|
||
|
||
nsresult nsStandardURL::EnsureFile() {
|
||
MOZ_ASSERT(mSupportsFileURL,
|
||
"EnsureFile() called on a URL that doesn't support files!");
|
||
|
||
if (mFile) {
|
||
// Nothing to do
|
||
return NS_OK;
|
||
}
|
||
|
||
// Parse the spec if we don't have a cached result
|
||
if (mSpec.IsEmpty()) {
|
||
NS_WARNING("url not initialized");
|
||
return NS_ERROR_NOT_INITIALIZED;
|
||
}
|
||
|
||
if (!SegmentIs(mScheme, "file")) {
|
||
NS_WARNING("not a file URL");
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
return net_GetFileFromURLSpec(mSpec, getter_AddRefs(mFile));
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::GetFile(nsIFile** result) {
|
||
MOZ_ASSERT(mSupportsFileURL,
|
||
"GetFile() called on a URL that doesn't support files!");
|
||
|
||
nsresult rv = EnsureFile();
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
if (LOG_ENABLED()) {
|
||
LOG(("nsStandardURL::GetFile [this=%p spec=%s resulting_path=%s]\n", this,
|
||
mSpec.get(), mFile->HumanReadablePath().get()));
|
||
}
|
||
|
||
// clone the file, so the caller can modify it.
|
||
// XXX nsIFileURL.idl specifies that the consumer must _not_ modify the
|
||
// nsIFile returned from this method; but it seems that some folks do
|
||
// (see bug 161921). until we can be sure that all the consumers are
|
||
// behaving themselves, we'll stay on the safe side and clone the file.
|
||
// see bug 212724 about fixing the consumers.
|
||
return mFile->Clone(result);
|
||
}
|
||
|
||
nsresult nsStandardURL::SetFile(nsIFile* file) {
|
||
NS_ENSURE_ARG_POINTER(file);
|
||
|
||
nsresult rv;
|
||
nsAutoCString url;
|
||
|
||
rv = net_GetURLSpecFromFile(file, url);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
uint32_t oldURLType = mURLType;
|
||
uint32_t oldDefaultPort = mDefaultPort;
|
||
rv = Init(nsIStandardURL::URLTYPE_NO_AUTHORITY, -1, url, nullptr, nullptr);
|
||
|
||
if (NS_FAILED(rv)) {
|
||
// Restore the old url type and default port if the call to Init fails.
|
||
mURLType = oldURLType;
|
||
mDefaultPort = oldDefaultPort;
|
||
return rv;
|
||
}
|
||
|
||
// must clone |file| since its value is not guaranteed to remain constant
|
||
InvalidateCache();
|
||
if (NS_FAILED(file->Clone(getter_AddRefs(mFile)))) {
|
||
NS_WARNING("nsIFile::Clone failed");
|
||
// failure to clone is not fatal (GetFile will generate mFile)
|
||
mFile = nullptr;
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsIStandardURL
|
||
//----------------------------------------------------------------------------
|
||
|
||
nsresult nsStandardURL::Init(uint32_t urlType, int32_t defaultPort,
|
||
const nsACString& spec, const char* charset,
|
||
nsIURI* baseURI) {
|
||
if (spec.Length() > StaticPrefs::network_standard_url_max_length() ||
|
||
defaultPort > std::numeric_limits<uint16_t>::max()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
InvalidateCache();
|
||
|
||
switch (urlType) {
|
||
case URLTYPE_STANDARD:
|
||
mParser = net_GetStdURLParser();
|
||
break;
|
||
case URLTYPE_AUTHORITY:
|
||
mParser = net_GetAuthURLParser();
|
||
break;
|
||
case URLTYPE_NO_AUTHORITY:
|
||
mParser = net_GetNoAuthURLParser();
|
||
break;
|
||
default:
|
||
MOZ_ASSERT_UNREACHABLE("bad urlType");
|
||
return NS_ERROR_INVALID_ARG;
|
||
}
|
||
mDefaultPort = defaultPort;
|
||
mURLType = urlType;
|
||
|
||
const auto* encoding =
|
||
charset ? Encoding::ForLabelNoReplacement(MakeStringSpan(charset))
|
||
: nullptr;
|
||
// URI can't be encoded in UTF-16BE or UTF-16LE. Truncate encoding
|
||
// if it is one of utf encodings (since a null encoding implies
|
||
// UTF-8, this is safe even if encoding is UTF-8).
|
||
if (IsUTFEncoding(encoding)) {
|
||
encoding = nullptr;
|
||
}
|
||
|
||
if (baseURI && net_IsAbsoluteURL(spec)) {
|
||
baseURI = nullptr;
|
||
}
|
||
|
||
if (!baseURI) {
|
||
return SetSpecWithEncoding(spec, encoding);
|
||
}
|
||
|
||
nsAutoCString buf;
|
||
nsresult rv = baseURI->Resolve(spec, buf);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
return SetSpecWithEncoding(buf, encoding);
|
||
}
|
||
|
||
nsresult nsStandardURL::SetDefaultPort(int32_t aNewDefaultPort) {
|
||
InvalidateCache();
|
||
|
||
// should never be more than 16 bit
|
||
if (aNewDefaultPort >= std::numeric_limits<uint16_t>::max()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
// If we're already using the new default-port as a custom port, then clear
|
||
// it off of our mSpec & set mPort to -1, to indicate that we'll be using
|
||
// the default from now on (which happens to match what we already had).
|
||
if (mPort == aNewDefaultPort) {
|
||
ReplacePortInSpec(-1);
|
||
mPort = -1;
|
||
}
|
||
mDefaultPort = aNewDefaultPort;
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsISerializable
|
||
//----------------------------------------------------------------------------
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::Read(nsIObjectInputStream* stream) {
|
||
MOZ_ASSERT_UNREACHABLE("Use nsIURIMutator.read() instead");
|
||
return NS_ERROR_NOT_IMPLEMENTED;
|
||
}
|
||
|
||
nsresult nsStandardURL::ReadPrivate(nsIObjectInputStream* stream) {
|
||
MOZ_ASSERT(mDisplayHost.IsEmpty(), "Shouldn't have cached unicode host");
|
||
|
||
// If we exit early, make sure to clear the URL so we don't fail the sanity
|
||
// check in the destructor
|
||
auto clearOnExit = MakeScopeExit([&] { Clear(); });
|
||
|
||
nsresult rv;
|
||
|
||
uint32_t urlType;
|
||
rv = stream->Read32(&urlType);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
mURLType = urlType;
|
||
switch (mURLType) {
|
||
case URLTYPE_STANDARD:
|
||
mParser = net_GetStdURLParser();
|
||
break;
|
||
case URLTYPE_AUTHORITY:
|
||
mParser = net_GetAuthURLParser();
|
||
break;
|
||
case URLTYPE_NO_AUTHORITY:
|
||
mParser = net_GetNoAuthURLParser();
|
||
break;
|
||
default:
|
||
MOZ_ASSERT_UNREACHABLE("bad urlType");
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
rv = stream->Read32((uint32_t*)&mPort);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = stream->Read32((uint32_t*)&mDefaultPort);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = NS_ReadOptionalCString(stream, mSpec);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mScheme);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mAuthority);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mUsername);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mPassword);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mHost);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mPath);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mFilepath);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mDirectory);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mBasename);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mExtension);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// handle forward compatibility from older serializations that included mParam
|
||
URLSegment old_param;
|
||
rv = ReadSegment(stream, old_param);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mQuery);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = ReadSegment(stream, mRef);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
nsAutoCString oldOriginCharset;
|
||
rv = NS_ReadOptionalCString(stream, oldOriginCharset);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
bool isMutable;
|
||
rv = stream->ReadBoolean(&isMutable);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
Unused << isMutable;
|
||
|
||
bool supportsFileURL;
|
||
rv = stream->ReadBoolean(&supportsFileURL);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
mSupportsFileURL = supportsFileURL;
|
||
|
||
// wait until object is set up, then modify path to include the param
|
||
if (old_param.mLen >= 0) { // note that mLen=0 is ";"
|
||
// If this wasn't empty, it marks characters between the end of the
|
||
// file and start of the query - mPath should include the param,
|
||
// query and ref already. Bump the mFilePath and
|
||
// directory/basename/extension components to include this.
|
||
mFilepath.Merge(mSpec, ';', old_param);
|
||
mDirectory.Merge(mSpec, ';', old_param);
|
||
mBasename.Merge(mSpec, ';', old_param);
|
||
mExtension.Merge(mSpec, ';', old_param);
|
||
}
|
||
|
||
rv = CheckIfHostIsAscii();
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
if (!IsValid()) {
|
||
return NS_ERROR_MALFORMED_URI;
|
||
}
|
||
|
||
clearOnExit.release();
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
NS_IMETHODIMP
|
||
nsStandardURL::Write(nsIObjectOutputStream* stream) {
|
||
MOZ_ASSERT(mSpec.Length() <= StaticPrefs::network_standard_url_max_length(),
|
||
"The spec should never be this long, we missed a check.");
|
||
nsresult rv;
|
||
|
||
rv = stream->Write32(mURLType);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = stream->Write32(uint32_t(mPort));
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = stream->Write32(uint32_t(mDefaultPort));
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = NS_WriteOptionalStringZ(stream, mSpec.get());
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mScheme);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mAuthority);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mUsername);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mPassword);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mHost);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mPath);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mFilepath);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mDirectory);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mBasename);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mExtension);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// for backwards compatibility since we removed mParam. Note that this will
|
||
// mean that an older browser will read "" for mParam, and the param(s) will
|
||
// be part of mPath (as they after the removal of special handling). It only
|
||
// matters if you downgrade a browser to before the patch.
|
||
URLSegment empty;
|
||
rv = WriteSegment(stream, empty);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mQuery);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = WriteSegment(stream, mRef);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// former origin charset
|
||
rv = NS_WriteOptionalStringZ(stream, "");
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// former mMutable
|
||
rv = stream->WriteBoolean(false);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
rv = stream->WriteBoolean(mSupportsFileURL);
|
||
if (NS_FAILED(rv)) {
|
||
return rv;
|
||
}
|
||
|
||
// mDisplayHost is just a cache that can be recovered as needed.
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
inline ipc::StandardURLSegment ToIPCSegment(
|
||
const nsStandardURL::URLSegment& aSegment) {
|
||
return ipc::StandardURLSegment(aSegment.mPos, aSegment.mLen);
|
||
}
|
||
|
||
[[nodiscard]] inline bool FromIPCSegment(
|
||
const nsACString& aSpec, const ipc::StandardURLSegment& aSegment,
|
||
nsStandardURL::URLSegment& aTarget) {
|
||
// This seems to be just an empty segment.
|
||
if (aSegment.length() == -1) {
|
||
aTarget = nsStandardURL::URLSegment();
|
||
return true;
|
||
}
|
||
|
||
// A value of -1 means an empty segment, but < -1 is undefined.
|
||
if (NS_WARN_IF(aSegment.length() < -1)) {
|
||
return false;
|
||
}
|
||
|
||
CheckedInt<uint32_t> segmentLen = aSegment.position();
|
||
segmentLen += aSegment.length();
|
||
// Make sure the segment does not extend beyond the spec.
|
||
if (NS_WARN_IF(!segmentLen.isValid() ||
|
||
segmentLen.value() > aSpec.Length())) {
|
||
return false;
|
||
}
|
||
|
||
aTarget.mPos = aSegment.position();
|
||
aTarget.mLen = aSegment.length();
|
||
|
||
return true;
|
||
}
|
||
|
||
void nsStandardURL::Serialize(URIParams& aParams) {
|
||
MOZ_ASSERT(mSpec.Length() <= StaticPrefs::network_standard_url_max_length(),
|
||
"The spec should never be this long, we missed a check.");
|
||
StandardURLParams params;
|
||
|
||
params.urlType() = mURLType;
|
||
params.port() = mPort;
|
||
params.defaultPort() = mDefaultPort;
|
||
params.spec() = mSpec;
|
||
params.scheme() = ToIPCSegment(mScheme);
|
||
params.authority() = ToIPCSegment(mAuthority);
|
||
params.username() = ToIPCSegment(mUsername);
|
||
params.password() = ToIPCSegment(mPassword);
|
||
params.host() = ToIPCSegment(mHost);
|
||
params.path() = ToIPCSegment(mPath);
|
||
params.filePath() = ToIPCSegment(mFilepath);
|
||
params.directory() = ToIPCSegment(mDirectory);
|
||
params.baseName() = ToIPCSegment(mBasename);
|
||
params.extension() = ToIPCSegment(mExtension);
|
||
params.query() = ToIPCSegment(mQuery);
|
||
params.ref() = ToIPCSegment(mRef);
|
||
params.supportsFileURL() = !!mSupportsFileURL;
|
||
params.isSubstituting() = false;
|
||
// mDisplayHost is just a cache that can be recovered as needed.
|
||
|
||
aParams = params;
|
||
}
|
||
|
||
bool nsStandardURL::Deserialize(const URIParams& aParams) {
|
||
MOZ_ASSERT(mDisplayHost.IsEmpty(), "Shouldn't have cached unicode host");
|
||
MOZ_ASSERT(!mFile, "Shouldn't have cached file");
|
||
|
||
if (aParams.type() != URIParams::TStandardURLParams) {
|
||
NS_ERROR("Received unknown parameters from the other process!");
|
||
return false;
|
||
}
|
||
|
||
// If we exit early, make sure to clear the URL so we don't fail the sanity
|
||
// check in the destructor
|
||
auto clearOnExit = MakeScopeExit([&] { Clear(); });
|
||
|
||
const StandardURLParams& params = aParams.get_StandardURLParams();
|
||
|
||
mURLType = params.urlType();
|
||
switch (mURLType) {
|
||
case URLTYPE_STANDARD:
|
||
mParser = net_GetStdURLParser();
|
||
break;
|
||
case URLTYPE_AUTHORITY:
|
||
mParser = net_GetAuthURLParser();
|
||
break;
|
||
case URLTYPE_NO_AUTHORITY:
|
||
mParser = net_GetNoAuthURLParser();
|
||
break;
|
||
default:
|
||
MOZ_ASSERT_UNREACHABLE("bad urlType");
|
||
return false;
|
||
}
|
||
|
||
mPort = params.port();
|
||
mDefaultPort = params.defaultPort();
|
||
mSpec = params.spec();
|
||
NS_ENSURE_TRUE(
|
||
mSpec.Length() <= StaticPrefs::network_standard_url_max_length(), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.scheme(), mScheme), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.authority(), mAuthority), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.username(), mUsername), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.password(), mPassword), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.host(), mHost), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.path(), mPath), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.filePath(), mFilepath), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.directory(), mDirectory), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.baseName(), mBasename), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.extension(), mExtension), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.query(), mQuery), false);
|
||
NS_ENSURE_TRUE(FromIPCSegment(mSpec, params.ref(), mRef), false);
|
||
|
||
mSupportsFileURL = params.supportsFileURL();
|
||
|
||
nsresult rv = CheckIfHostIsAscii();
|
||
if (NS_FAILED(rv)) {
|
||
return false;
|
||
}
|
||
|
||
// Some sanity checks
|
||
NS_ENSURE_TRUE(mScheme.mPos == 0, false);
|
||
NS_ENSURE_TRUE(mScheme.mLen > 0, false);
|
||
// Make sure scheme is followed by :// (3 characters)
|
||
NS_ENSURE_TRUE(mScheme.mLen < INT32_MAX - 3, false); // avoid overflow
|
||
NS_ENSURE_TRUE(mSpec.Length() >= (uint32_t)mScheme.mLen + 3, false);
|
||
NS_ENSURE_TRUE(
|
||
nsDependentCSubstring(mSpec, mScheme.mLen, 3).EqualsLiteral("://"),
|
||
false);
|
||
NS_ENSURE_TRUE(mPath.mLen != -1 && mSpec.CharAt(mPath.mPos) == '/', false);
|
||
NS_ENSURE_TRUE(mPath.mPos == mFilepath.mPos, false);
|
||
NS_ENSURE_TRUE(mQuery.mLen == -1 ||
|
||
(mQuery.mPos > 0 && mSpec.CharAt(mQuery.mPos - 1) == '?'),
|
||
false);
|
||
NS_ENSURE_TRUE(
|
||
mRef.mLen == -1 || (mRef.mPos > 0 && mSpec.CharAt(mRef.mPos - 1) == '#'),
|
||
false);
|
||
|
||
if (!IsValid()) {
|
||
return false;
|
||
}
|
||
|
||
clearOnExit.release();
|
||
|
||
return true;
|
||
}
|
||
|
||
//----------------------------------------------------------------------------
|
||
// nsStandardURL::nsISizeOf
|
||
//----------------------------------------------------------------------------
|
||
|
||
size_t nsStandardURL::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const {
|
||
return mSpec.SizeOfExcludingThisIfUnshared(aMallocSizeOf) +
|
||
mDisplayHost.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
|
||
|
||
// Measurement of the following members may be added later if DMD finds it is
|
||
// worthwhile:
|
||
// - mParser
|
||
// - mFile
|
||
}
|
||
|
||
size_t nsStandardURL::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
|
||
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
|
||
}
|
||
|
||
} // namespace net
|
||
} // namespace mozilla
|
||
|
||
// For unit tests. Including nsStandardURL.h seems to cause problems
|
||
nsresult Test_NormalizeIPv4(const nsACString& host, nsCString& result) {
|
||
return mozilla::net::nsStandardURL::NormalizeIPv4(host, result);
|
||
}
|
||
|
||
// For unit tests. Including nsStandardURL.h seems to cause problems
|
||
nsresult Test_ParseIPv4Number(const nsACString& input, int32_t base,
|
||
uint32_t& number, uint32_t maxNumber) {
|
||
return mozilla::net::ParseIPv4Number(input, base, number, maxNumber);
|
||
}
|
||
|
||
int32_t Test_ValidateIPv4Number(const nsACString& host, int32_t bases[4],
|
||
int32_t dotIndex[3], bool& onlyBase10,
|
||
int32_t length) {
|
||
return mozilla::net::ValidateIPv4Number(host, bases, dotIndex, onlyBase10,
|
||
length, false);
|
||
}
|