2017-05-17 08:01:14 +03:00
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/* -*- 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "StorageUtils.h"
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namespace mozilla {
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namespace dom {
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namespace StorageUtils {
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nsresult
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GenerateOriginKey(nsIPrincipal* aPrincipal, nsACString& aOriginAttrSuffix,
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nsACString& aOriginKey)
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{
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MOZ_ASSERT(aPrincipal);
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aPrincipal->OriginAttributesRef().CreateSuffix(aOriginAttrSuffix);
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nsCOMPtr<nsIURI> uri;
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nsresult rv = aPrincipal->GetURI(getter_AddRefs(uri));
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NS_ENSURE_SUCCESS(rv, rv);
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if (!uri) {
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return NS_ERROR_UNEXPECTED;
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}
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nsAutoCString domainOrigin;
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rv = uri->GetAsciiHost(domainOrigin);
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NS_ENSURE_SUCCESS(rv, rv);
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if (domainOrigin.IsEmpty()) {
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// For the file:/// protocol use the exact directory as domain.
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bool isScheme = false;
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if (NS_SUCCEEDED(uri->SchemeIs("file", &isScheme)) && isScheme) {
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nsCOMPtr<nsIURL> url = do_QueryInterface(uri, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = url->GetDirectory(domainOrigin);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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}
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// Append reversed domain
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nsAutoCString reverseDomain;
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rv = CreateReversedDomain(domainOrigin, reverseDomain);
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if (NS_FAILED(rv)) {
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return rv;
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}
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aOriginKey.Append(reverseDomain);
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// Append scheme
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nsAutoCString scheme;
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rv = uri->GetScheme(scheme);
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NS_ENSURE_SUCCESS(rv, rv);
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aOriginKey.Append(':');
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aOriginKey.Append(scheme);
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// Append port if any
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int32_t port = NS_GetRealPort(uri);
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if (port != -1) {
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aOriginKey.Append(nsPrintfCString(":%d", port));
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}
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return NS_OK;
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}
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2017-05-17 08:01:14 +03:00
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bool
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PrincipalsEqual(nsIPrincipal* aObjectPrincipal,
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nsIPrincipal* aSubjectPrincipal)
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{
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if (!aSubjectPrincipal) {
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return true;
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}
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if (!aObjectPrincipal) {
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return false;
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}
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return aSubjectPrincipal->Equals(aObjectPrincipal);
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}
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void
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ReverseString(const nsCSubstring& aSource, nsCSubstring& aResult)
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{
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nsACString::const_iterator sourceBegin, sourceEnd;
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aSource.BeginReading(sourceBegin);
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aSource.EndReading(sourceEnd);
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aResult.SetLength(aSource.Length());
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nsACString::iterator destEnd;
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aResult.EndWriting(destEnd);
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while (sourceBegin != sourceEnd) {
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*(--destEnd) = *sourceBegin;
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++sourceBegin;
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}
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}
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nsresult
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CreateReversedDomain(const nsACString& aAsciiDomain,
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nsACString& aKey)
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{
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if (aAsciiDomain.IsEmpty()) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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ReverseString(aAsciiDomain, aKey);
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aKey.Append('.');
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return NS_OK;
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}
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2017-05-17 08:01:14 +03:00
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} // StorageUtils namespace
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} // dom namespace
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} // mozilla namespace
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