mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 07:05:24 +00:00
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* 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 "xpcprivate.h"
|
|
#include "nsString.h"
|
|
#include "nsIObjectOutputStream.h"
|
|
#include "nsIObjectInputStream.h"
|
|
#include "nsJSPrincipals.h"
|
|
#include "plstr.h"
|
|
#include "nsXPIDLString.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIJSRuntimeService.h"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsMemory.h"
|
|
#include "nsStringBuffer.h"
|
|
|
|
// for mozilla::dom::workers::kJSPrincipalsDebugToken
|
|
#include "mozilla/dom/workers/Workers.h"
|
|
|
|
NS_IMETHODIMP_(MozExternalRefCountType)
|
|
nsJSPrincipals::AddRef()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
NS_PRECONDITION(int32_t(refcount) >= 0, "illegal refcnt");
|
|
nsrefcnt count = ++refcount;
|
|
NS_LOG_ADDREF(this, count, "nsJSPrincipals", sizeof(*this));
|
|
return count;
|
|
}
|
|
|
|
NS_IMETHODIMP_(MozExternalRefCountType)
|
|
nsJSPrincipals::Release()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
NS_PRECONDITION(0 != refcount, "dup release");
|
|
nsrefcnt count = --refcount;
|
|
NS_LOG_RELEASE(this, count, "nsJSPrincipals");
|
|
if (count == 0) {
|
|
delete this;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
/* static */ bool
|
|
nsJSPrincipals::Subsume(JSPrincipals *jsprin, JSPrincipals *other)
|
|
{
|
|
bool result;
|
|
nsresult rv = nsJSPrincipals::get(jsprin)->Subsumes(nsJSPrincipals::get(other), &result);
|
|
return NS_SUCCEEDED(rv) && result;
|
|
}
|
|
|
|
/* static */ void
|
|
nsJSPrincipals::Destroy(JSPrincipals *jsprin)
|
|
{
|
|
// The JS runtime can call this method during the last GC when
|
|
// nsScriptSecurityManager is destroyed. So we must not assume here that
|
|
// the security manager still exists.
|
|
|
|
nsJSPrincipals *nsjsprin = nsJSPrincipals::get(jsprin);
|
|
|
|
// We need to destroy the nsIPrincipal. We'll do this by adding
|
|
// to the refcount and calling release
|
|
|
|
#ifdef NS_BUILD_REFCNT_LOGGING
|
|
// The refcount logging considers AddRef-to-1 to indicate creation,
|
|
// so trick it into thinking it's otherwise, but balance the
|
|
// Release() we do below.
|
|
nsjsprin->refcount++;
|
|
nsjsprin->AddRef();
|
|
nsjsprin->refcount--;
|
|
#else
|
|
nsjsprin->refcount++;
|
|
#endif
|
|
nsjsprin->Release();
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
// Defined here so one can do principals->dump() in the debugger
|
|
JS_EXPORT_API(void)
|
|
JSPrincipals::dump()
|
|
{
|
|
if (debugToken == nsJSPrincipals::DEBUG_TOKEN) {
|
|
nsAutoCString str;
|
|
static_cast<nsJSPrincipals *>(this)->GetScriptLocation(str);
|
|
fprintf(stderr, "nsIPrincipal (%p) = %s\n", static_cast<void*>(this), str.get());
|
|
} else if (debugToken == mozilla::dom::workers::kJSPrincipalsDebugToken) {
|
|
fprintf(stderr, "Web Worker principal singleton (%p)\n", this);
|
|
} else {
|
|
fprintf(stderr,
|
|
"!!! JSPrincipals (%p) is not nsJSPrincipals instance - bad token: "
|
|
"actual=0x%x expected=0x%x\n",
|
|
this, unsigned(debugToken), unsigned(nsJSPrincipals::DEBUG_TOKEN));
|
|
}
|
|
}
|
|
|
|
#endif
|