gecko-dev/caps/NullPrincipalURI.cpp
Valentin Gosu d2d8524673 Bug 1415205 - Add nsIURIMutator impls for all objects implementing nsIURI r=bagder
This also changes URIUtils.cpp:DeserializeURI() to use the mutator to instantiate new URIs, instead of using their default constructor.

MozReview-Commit-ID: JQOvIquuQAP

--HG--
extra : rebase_source : e146624c5ae423f7f69a738aaaafaa55dd0940d9
2017-11-20 17:11:30 +01:00

425 lines
9.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 sts=2 expandtab
* 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 "NullPrincipalURI.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/ipc/URIParams.h"
#include "nsEscape.h"
#include "nsCRT.h"
#include "nsIUUIDGenerator.h"
////////////////////////////////////////////////////////////////////////////////
//// NullPrincipalURI
NullPrincipalURI::NullPrincipalURI()
{
}
NullPrincipalURI::NullPrincipalURI(const NullPrincipalURI& aOther)
{
mPath.Assign(aOther.mPath);
}
nsresult
NullPrincipalURI::Init()
{
// FIXME: bug 327161 -- make sure the uuid generator is reseeding-resistant.
nsCOMPtr<nsIUUIDGenerator> uuidgen = services::GetUUIDGenerator();
NS_ENSURE_TRUE(uuidgen, NS_ERROR_NOT_AVAILABLE);
nsID id;
nsresult rv = uuidgen->GenerateUUIDInPlace(&id);
NS_ENSURE_SUCCESS(rv, rv);
mPath.SetLength(NSID_LENGTH - 1); // -1 because NSID_LENGTH counts the '\0'
id.ToProvidedString(
*reinterpret_cast<char(*)[NSID_LENGTH]>(mPath.BeginWriting()));
MOZ_ASSERT(mPath.Length() == NSID_LENGTH - 1);
MOZ_ASSERT(strlen(mPath.get()) == NSID_LENGTH - 1);
return NS_OK;
}
/* static */
already_AddRefed<NullPrincipalURI>
NullPrincipalURI::Create()
{
RefPtr<NullPrincipalURI> uri = new NullPrincipalURI();
nsresult rv = uri->Init();
NS_ENSURE_SUCCESS(rv, nullptr);
return uri.forget();
}
static NS_DEFINE_CID(kNullPrincipalURIImplementationCID,
NS_NULLPRINCIPALURI_IMPLEMENTATION_CID);
NS_IMPL_ADDREF(NullPrincipalURI)
NS_IMPL_RELEASE(NullPrincipalURI)
NS_INTERFACE_MAP_BEGIN(NullPrincipalURI)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIURI)
if (aIID.Equals(kNullPrincipalURIImplementationCID))
foundInterface = static_cast<nsIURI*>(this);
else
NS_INTERFACE_MAP_ENTRY(nsIURI)
NS_INTERFACE_MAP_ENTRY(nsISizeOf)
NS_INTERFACE_MAP_ENTRY(nsIIPCSerializableURI)
NS_INTERFACE_MAP_END
////////////////////////////////////////////////////////////////////////////////
//// nsIURI
NS_IMETHODIMP
NullPrincipalURI::GetAsciiHost(nsACString& _host)
{
_host.Truncate();
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::GetAsciiHostPort(nsACString& _hostport)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetAsciiSpec(nsACString& _spec)
{
nsAutoCString buffer;
// Ignore the return value -- NullPrincipalURI::GetSpec() is infallible.
Unused << GetSpec(buffer);
// This uses the infallible version of |NS_EscapeURL| as |GetSpec| is
// already infallible.
NS_EscapeURL(buffer, esc_OnlyNonASCII | esc_AlwaysCopy, _spec);
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::GetHost(nsACString& _host)
{
_host.Truncate();
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::SetHost(const nsACString& aHost)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetHostPort(nsACString& _host)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetHostPort(const nsACString& aHost)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetHostAndPort(const nsACString& aHost)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetPassword(nsACString& _password)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetPassword(const nsACString& aPassword)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetPathQueryRef(nsACString& _path)
{
_path = mPath;
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::SetPathQueryRef(const nsACString& aPath)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetFilePath(nsACString& aFilePath)
{
aFilePath.Truncate();
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetFilePath(const nsACString& aFilePath)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetQuery(nsACString& aQuery)
{
aQuery.Truncate();
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetQuery(const nsACString& aQuery)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetQueryWithEncoding(const nsACString& aQuery,
const Encoding* aEncoding)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetRef(nsACString& _ref)
{
_ref.Truncate();
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetRef(const nsACString& aRef)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetPrePath(nsACString& _prePath)
{
_prePath = NS_LITERAL_CSTRING(NS_NULLPRINCIPAL_SCHEME ":");
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::GetPort(int32_t* _port)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetPort(int32_t aPort)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetScheme(nsACString& _scheme)
{
_scheme = NS_LITERAL_CSTRING(NS_NULLPRINCIPAL_SCHEME);
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::SetScheme(const nsACString& aScheme)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetSpec(nsACString& _spec)
{
_spec = NS_LITERAL_CSTRING(NS_NULLPRINCIPAL_SCHEME ":") + mPath;
return NS_OK;
}
// result may contain unescaped UTF-8 characters
NS_IMETHODIMP
NullPrincipalURI::GetSpecIgnoringRef(nsACString& _result)
{
return GetSpec(_result);
}
NS_IMETHODIMP
NullPrincipalURI::GetHasRef(bool* _result)
{
*_result = false;
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::SetSpec(const nsACString& aSpec)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetUsername(nsACString& _username)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetUsername(const nsACString& aUsername)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::GetUserPass(nsACString& _userPass)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::SetUserPass(const nsACString& aUserPass)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
NullPrincipalURI::Clone(nsIURI** _newURI)
{
nsCOMPtr<nsIURI> uri = new NullPrincipalURI(*this);
uri.forget(_newURI);
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::CloneIgnoringRef(nsIURI** _newURI)
{
// GetRef/SetRef not supported by NullPrincipalURI, so
// CloneIgnoringRef() is the same as Clone().
return Clone(_newURI);
}
NS_IMETHODIMP
NullPrincipalURI::CloneWithNewRef(const nsACString& newRef, nsIURI** _newURI)
{
// GetRef/SetRef not supported by NullPrincipalURI, so
// CloneWithNewRef() is the same as Clone().
return Clone(_newURI);
}
NS_IMPL_ISUPPORTS(NullPrincipalURI::Mutator, nsIURISetters, nsIURIMutator)
NS_IMETHODIMP
NullPrincipalURI::Mutate(nsIURIMutator** aMutator)
{
RefPtr<NullPrincipalURI::Mutator> mutator = new NullPrincipalURI::Mutator();
nsresult rv = mutator->InitFromURI(this);
if (NS_FAILED(rv)) {
return rv;
}
mutator.forget(aMutator);
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::Equals(nsIURI* aOther, bool* _equals)
{
*_equals = false;
RefPtr<NullPrincipalURI> otherURI;
nsresult rv = aOther->QueryInterface(kNullPrincipalURIImplementationCID,
getter_AddRefs(otherURI));
if (NS_SUCCEEDED(rv)) {
*_equals = mPath == otherURI->mPath;
}
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::EqualsExceptRef(nsIURI* aOther, bool* _equals)
{
// GetRef/SetRef not supported by NullPrincipalURI, so
// EqualsExceptRef() is the same as Equals().
return Equals(aOther, _equals);
}
NS_IMETHODIMP
NullPrincipalURI::Resolve(const nsACString& aRelativePath,
nsACString& _resolvedURI)
{
_resolvedURI = aRelativePath;
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::SchemeIs(const char* aScheme, bool* _schemeIs)
{
*_schemeIs = (0 == nsCRT::strcasecmp(NS_NULLPRINCIPAL_SCHEME, aScheme));
return NS_OK;
}
NS_IMETHODIMP
NullPrincipalURI::GetDisplaySpec(nsACString &aUnicodeSpec)
{
return GetSpec(aUnicodeSpec);
}
NS_IMETHODIMP
NullPrincipalURI::GetDisplayHostPort(nsACString &aUnicodeHostPort)
{
return GetHostPort(aUnicodeHostPort);
}
NS_IMETHODIMP
NullPrincipalURI::GetDisplayHost(nsACString &aUnicodeHost)
{
return GetHost(aUnicodeHost);
}
NS_IMETHODIMP
NullPrincipalURI::GetDisplayPrePath(nsACString &aPrePath)
{
return GetPrePath(aPrePath);
}
////////////////////////////////////////////////////////////////////////////////
//// nsIIPCSerializableURI
void
NullPrincipalURI::Serialize(mozilla::ipc::URIParams& aParams)
{
aParams = mozilla::ipc::NullPrincipalURIParams();
}
bool
NullPrincipalURI::Deserialize(const mozilla::ipc::URIParams& aParams)
{
if (aParams.type() != mozilla::ipc::URIParams::TNullPrincipalURIParams) {
MOZ_ASSERT_UNREACHABLE("unexpected URIParams type");
return false;
}
nsresult rv = Init();
NS_ENSURE_SUCCESS(rv, false);
return true;
}
////////////////////////////////////////////////////////////////////////////////
//// nsISizeOf
size_t
NullPrincipalURI::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
return mPath.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
}
size_t
NullPrincipalURI::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
}