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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIURL.h"
#include "StorageUtils.h"
#include "mozilla/OriginAttributes.h"
#include "nsDebug.h"
#include "nsIPrincipal.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
#include "nsPrintfCString.h"
#include "mozilla/StorageOriginAttributes.h"
namespace mozilla::dom::StorageUtils {
bool PrincipalsEqual(nsIPrincipal* aObjectPrincipal,
nsIPrincipal* aSubjectPrincipal) {
if (!aSubjectPrincipal) {
return true;
}
if (!aObjectPrincipal) {
return false;
}
return aSubjectPrincipal->Equals(aObjectPrincipal);
}
void ReverseString(const nsACString& aSource, nsACString& aResult) {
nsACString::const_iterator sourceBegin, sourceEnd;
aSource.BeginReading(sourceBegin);
aSource.EndReading(sourceEnd);
aResult.SetLength(aSource.Length());
auto destEnd = aResult.EndWriting();
while (sourceBegin != sourceEnd) {
*(--destEnd) = *sourceBegin;
++sourceBegin;
}
}
nsresult CreateReversedDomain(const nsACString& aAsciiDomain,
nsACString& aKey) {
if (aAsciiDomain.IsEmpty()) {
return NS_ERROR_NOT_AVAILABLE;
}
ReverseString(aAsciiDomain, aKey);
aKey.Append('.');
return NS_OK;
}
// This is only a compatibility code for schema version 0. Returns the 'scope'
// key in the schema version 0 format for the scope column.
nsCString Scheme0Scope(const nsACString& aOriginSuffix,
const nsACString& aOriginNoSuffix) {
nsCString result;
StorageOriginAttributes oa;
if (!aOriginSuffix.IsEmpty()) {
DebugOnly<bool> success = oa.PopulateFromSuffix(aOriginSuffix);
MOZ_ASSERT(success);
}
if (oa.InIsolatedMozBrowser()) {
result.AppendInt(0); // This is the appId to be removed.
result.Append(':');
result.Append(oa.InIsolatedMozBrowser() ? 't' : 'f');
result.Append(':');
}
// If there is more than just appid and/or inbrowser stored in origin
// attributes, put it to the schema 0 scope as well. We must do that
// to keep the scope column unique (same resolution as schema 1 has
// with originAttributes and originKey columns) so that switch between
// schema 1 and 0 always works in both ways.
nsAutoCString remaining;
oa.SetInIsolatedMozBrowser(false);
oa.CreateSuffix(remaining);
if (!remaining.IsEmpty()) {
MOZ_ASSERT(!aOriginSuffix.IsEmpty());
if (result.IsEmpty()) {
// Must contain the old prefix, otherwise we won't search for the whole
// origin attributes suffix.
result.AppendLiteral("0:f:");
}
// Append the whole origin attributes suffix despite we have already stored
// appid and inbrowser. We are only looking for it when the scope string
// starts with "$appid:$inbrowser:" (with whatever valid values).
//
// The OriginAttributes suffix is a string in a form like:
// "^addonId=101&userContextId=5" and it's ensured it always starts with '^'
// and never contains ':'. See OriginAttributes::CreateSuffix.
result.Append(aOriginSuffix);
result.Append(':');
}
result.Append(aOriginNoSuffix);
return result;
}
} // namespace mozilla::dom::StorageUtils
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