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e4ddf24147
Sorry for the massive patch but I found it hard to split without introducing a bunch of copies around... This mostly makes necko and DOM agree on which strings to use, which should result on less copies and conversions. Differential Revision: https://phabricator.services.mozilla.com/D205601
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "StorageOriginAttributes.h"
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#include "nsString.h"
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#include "nsURLHelper.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/dom/quota/QuotaManager.h"
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namespace mozilla {
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void StorageOriginAttributes::CreateSuffix(nsACString& aStr) const {
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nsCString str1;
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URLParams params;
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nsAutoCString value;
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if (mInIsolatedMozBrowser) {
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params.Set("inBrowser"_ns, "1"_ns);
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}
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str1.Truncate();
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params.Serialize(value, true);
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if (!value.IsEmpty()) {
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str1.AppendLiteral("^");
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str1.Append(value);
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}
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// Make sure that the string don't contain characters that would get replaced
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// with the plus character by quota manager, potentially causing ambiguity.
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MOZ_ASSERT(str1.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) ==
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kNotFound);
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// Let OriginAttributes::CreateSuffix serialize other origin attributes.
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nsCString str2;
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mOriginAttributes.CreateSuffix(str2);
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aStr.Truncate();
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if (str1.IsEmpty()) {
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aStr.Append(str2);
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return;
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}
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if (str2.IsEmpty()) {
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aStr.Append(str1);
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return;
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}
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// If both strings are not empty, we need to combine them.
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aStr.Append(str1);
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aStr.Append('&');
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aStr.Append(Substring(str2, 1, str2.Length() - 1));
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}
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bool StorageOriginAttributes::PopulateFromSuffix(const nsACString& aStr) {
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if (aStr.IsEmpty()) {
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return true;
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}
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if (aStr[0] != '^') {
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return false;
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}
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bool ok = URLParams::Parse(
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Substring(aStr, 1, aStr.Length() - 1), true,
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[this](const nsACString& aName, const nsACString& aValue) {
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if (aName.EqualsLiteral("inBrowser")) {
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if (!aValue.EqualsLiteral("1")) {
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return false;
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}
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mInIsolatedMozBrowser = true;
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return true;
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}
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// Let OriginAttributes::PopulateFromSuffix parse other
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// origin attributes.
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return true;
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});
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if (!ok) {
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return false;
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}
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return mOriginAttributes.PopulateFromSuffix(aStr);
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}
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bool StorageOriginAttributes::PopulateFromOrigin(const nsACString& aOrigin,
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nsACString& aOriginNoSuffix) {
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// RFindChar is only available on nsCString.
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nsCString origin(aOrigin);
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int32_t pos = origin.RFindChar('^');
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if (pos == kNotFound) {
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aOriginNoSuffix = origin;
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return true;
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}
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aOriginNoSuffix = Substring(origin, 0, pos);
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return PopulateFromSuffix(Substring(origin, pos));
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}
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} // namespace mozilla
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