michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "xpcprivate.h"
michael@0: #include "nsString.h"
michael@0: #include "nsIObjectOutputStream.h"
michael@0: #include "nsIObjectInputStream.h"
michael@0: #include "nsJSPrincipals.h"
michael@0: #include "plstr.h"
michael@0: #include "nsXPIDLString.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIJSRuntimeService.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsMemory.h"
michael@0: #include "nsStringBuffer.h"
michael@0: 
michael@0: // for mozilla::dom::workers::kJSPrincipalsDebugToken
michael@0: #include "mozilla/dom/workers/Workers.h"
michael@0: 
michael@0: /* static */ bool
michael@0: nsJSPrincipals::Subsume(JSPrincipals *jsprin, JSPrincipals *other)
michael@0: {
michael@0:     bool result;
michael@0:     nsresult rv = nsJSPrincipals::get(jsprin)->Subsumes(nsJSPrincipals::get(other), &result);
michael@0:     return NS_SUCCEEDED(rv) && result;
michael@0: }
michael@0: 
michael@0: /* static */ void
michael@0: nsJSPrincipals::Destroy(JSPrincipals *jsprin)
michael@0: {
michael@0:     // The JS runtime can call this method during the last GC when
michael@0:     // nsScriptSecurityManager is destroyed. So we must not assume here that
michael@0:     // the security manager still exists.
michael@0: 
michael@0:     nsJSPrincipals *nsjsprin = nsJSPrincipals::get(jsprin);
michael@0: 
michael@0:     // We need to destroy the nsIPrincipal. We'll do this by adding
michael@0:     // to the refcount and calling release
michael@0: 
michael@0: #ifdef NS_BUILD_REFCNT_LOGGING
michael@0:     // The refcount logging considers AddRef-to-1 to indicate creation,
michael@0:     // so trick it into thinking it's otherwise, but balance the
michael@0:     // Release() we do below.
michael@0:     nsjsprin->refcount++;
michael@0:     nsjsprin->AddRef();
michael@0:     nsjsprin->refcount--;
michael@0: #else
michael@0:     nsjsprin->refcount++;
michael@0: #endif
michael@0:     nsjsprin->Release();
michael@0: }
michael@0: 
michael@0: #ifdef DEBUG
michael@0: 
michael@0: // Defined here so one can do principals->dump() in the debugger
michael@0: JS_EXPORT_API(void)
michael@0: JSPrincipals::dump()
michael@0: {
michael@0:     if (debugToken == nsJSPrincipals::DEBUG_TOKEN) {
michael@0:         static_cast<nsJSPrincipals *>(this)->dumpImpl();
michael@0:     } else if (debugToken == mozilla::dom::workers::kJSPrincipalsDebugToken) {
michael@0:         fprintf(stderr, "Web Worker principal singleton (%p)\n", this);
michael@0:     } else {
michael@0:         fprintf(stderr,
michael@0:                 "!!! JSPrincipals (%p) is not nsJSPrincipals instance - bad token: "
michael@0:                 "actual=0x%x expected=0x%x\n",
michael@0:                 this, unsigned(debugToken), unsigned(nsJSPrincipals::DEBUG_TOKEN));
michael@0:     }
michael@0: }
michael@0: 
michael@0: #endif