The Tor Browser: caps/src/nsSystemPrincipal.cpp@129ffea94266 (annotated)

caps/src/nsSystemPrincipal.cpp@129ffea94266 (annotated)

caps/src/nsSystemPrincipal.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* -*- 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/. */
 /* The privileged system principal. */
 #include "nscore.h"
 #include "nsSystemPrincipal.h"
 #include "nsIComponentManager.h"
 #include "nsIServiceManager.h"
 #include "nsIURL.h"
 #include "nsCOMPtr.h"
 #include "nsXPIDLString.h"
 #include "nsReadableUtils.h"
 #include "nsCRT.h"
 #include "nsString.h"
 #include "nsIClassInfoImpl.h"
 #include "nsIScriptSecurityManager.h"
 #include "pratom.h"
 NS_IMPL_CLASSINFO(nsSystemPrincipal, nullptr,
                   nsIClassInfo::SINGLETON | nsIClassInfo::MAIN_THREAD_ONLY,
                   NS_SYSTEMPRINCIPAL_CID)
 NS_IMPL_QUERY_INTERFACE_CI(nsSystemPrincipal,
                            nsIPrincipal,
                            nsISerializable)
 NS_IMPL_CI_INTERFACE_GETTER(nsSystemPrincipal,
                             nsIPrincipal,
                             nsISerializable)
 NS_IMETHODIMP_(MozExternalRefCountType)
 nsSystemPrincipal::AddRef()
 {
   NS_PRECONDITION(int32_t(refcount) >= 0, "illegal refcnt");
   nsrefcnt count = ++refcount;
   NS_LOG_ADDREF(this, count, "nsSystemPrincipal", sizeof(*this));
   return count;
 }
 NS_IMETHODIMP_(MozExternalRefCountType)
 nsSystemPrincipal::Release()
 {
   NS_PRECONDITION(0 != refcount, "dup release");
   nsrefcnt count = --refcount;
   NS_LOG_RELEASE(this, count, "nsSystemPrincipal");
   if (count == 0) {
     delete this;
   }
   return count;
 }
 static const char SYSTEM_PRINCIPAL_SPEC[] = "[System Principal]";
 void
 nsSystemPrincipal::GetScriptLocation(nsACString &aStr)
 {
     aStr.Assign(SYSTEM_PRINCIPAL_SPEC);
 }
 #ifdef DEBUG
 void nsSystemPrincipal::dumpImpl()
 {
   fprintf(stderr, "nsSystemPrincipal (%p)\n", this);
 }
 #endif
 ///////////////////////////////////////
 // Methods implementing nsIPrincipal //
 ///////////////////////////////////////
 NS_IMETHODIMP
 nsSystemPrincipal::Equals(nsIPrincipal *other, bool *result)
 {
     *result = (other == this);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::EqualsConsideringDomain(nsIPrincipal *other, bool *result)
 {
     return Equals(other, result);
 }
 NS_IMETHODIMP
 nsSystemPrincipal::Subsumes(nsIPrincipal *other, bool *result)
 {
     *result = true;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::SubsumesConsideringDomain(nsIPrincipal *other, bool *result)
 {
     *result = true;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::CheckMayLoad(nsIURI* uri, bool aReport, bool aAllowIfInheritsPrincipal)
 {
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetHashValue(uint32_t *result)
 {
     *result = NS_PTR_TO_INT32(this);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetURI(nsIURI** aURI)
 {
     *aURI = nullptr;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetOrigin(char** aOrigin)
 {
     *aOrigin = ToNewCString(NS_LITERAL_CSTRING(SYSTEM_PRINCIPAL_SPEC));
     return *aOrigin ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetCsp(nsIContentSecurityPolicy** aCsp)
 {
   *aCsp = nullptr;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::SetCsp(nsIContentSecurityPolicy* aCsp)
 {
   // CSP on a null principal makes no sense
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetDomain(nsIURI** aDomain)
 {
     *aDomain = nullptr;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::SetDomain(nsIURI* aDomain)
 {
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetJarPrefix(nsACString& aJarPrefix)
 {
   aJarPrefix.Truncate();
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetAppStatus(uint16_t* aAppStatus)
 {
   *aAppStatus = nsIPrincipal::APP_STATUS_NOT_INSTALLED;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetAppId(uint32_t* aAppId)
 {
   *aAppId = nsIScriptSecurityManager::NO_APP_ID;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetIsInBrowserElement(bool* aIsInBrowserElement)
 {
   *aIsInBrowserElement = false;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetUnknownAppId(bool* aUnknownAppId)
 {
   *aUnknownAppId = false;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetIsNullPrincipal(bool* aIsNullPrincipal)
 {
   *aIsNullPrincipal = false;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::GetBaseDomain(nsACString& aBaseDomain)
 {
   // No base domain for chrome.
   return NS_OK;
 }
 //////////////////////////////////////////
 // Methods implementing nsISerializable //
 //////////////////////////////////////////
 NS_IMETHODIMP
 nsSystemPrincipal::Read(nsIObjectInputStream* aStream)
 {
     // no-op: CID is sufficient to identify the mSystemPrincipal singleton
     return NS_OK;
 }
 NS_IMETHODIMP
 nsSystemPrincipal::Write(nsIObjectOutputStream* aStream)
 {
     // no-op: CID is sufficient to identify the mSystemPrincipal singleton
     return NS_OK;
 }
 /////////////////////////////////////////////
 // Constructor, Destructor, initialization //
 /////////////////////////////////////////////
 nsSystemPrincipal::nsSystemPrincipal()
 {
 }
 nsSystemPrincipal::~nsSystemPrincipal()
 {
 }

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caps/src/nsSystemPrincipal.cpp@129ffea94266 (annotated)

caps/src/nsSystemPrincipal.cpp