DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (d38398e5144e)

VCS Links

Macros

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
/* -*- 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)

#define SYSTEM_PRINCIPAL_SPEC "[System Principal]"

nsresult
nsSystemPrincipal::GetScriptLocation(nsACString &aStr)
{
    aStr.AssignLiteral(SYSTEM_PRINCIPAL_SPEC);
    return NS_OK;
}

///////////////////////////////////////
// Methods implementing nsIPrincipal //
///////////////////////////////////////

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;
}

nsresult
nsSystemPrincipal::GetOriginInternal(nsACString& aOrigin)
{
    aOrigin.AssignLiteral(SYSTEM_PRINCIPAL_SPEC);
    return NS_OK;
}

NS_IMETHODIMP
nsSystemPrincipal::GetCsp(nsIContentSecurityPolicy** aCsp)
{
  *aCsp = nullptr;
  return NS_OK;
}

NS_IMETHODIMP
nsSystemPrincipal::EnsureCSP(nsIDOMDocument* aDocument,
                             nsIContentSecurityPolicy** aCSP)
{
  // CSP on a system principal makes no sense
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
nsSystemPrincipal::GetPreloadCsp(nsIContentSecurityPolicy** aPreloadCSP)
{
  *aPreloadCSP = nullptr;
  return NS_OK;
}

NS_IMETHODIMP
nsSystemPrincipal::EnsurePreloadCSP(nsIDOMDocument* aDocument,
                                    nsIContentSecurityPolicy** aPreloadCSP)
{
  // CSP on a system 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::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;
}