caps/src/nsSystemPrincipal.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/caps/src/nsSystemPrincipal.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,232 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/* The privileged system principal. */
    1.10 +
    1.11 +#include "nscore.h"
    1.12 +#include "nsSystemPrincipal.h"
    1.13 +#include "nsIComponentManager.h"
    1.14 +#include "nsIServiceManager.h"
    1.15 +#include "nsIURL.h"
    1.16 +#include "nsCOMPtr.h"
    1.17 +#include "nsXPIDLString.h"
    1.18 +#include "nsReadableUtils.h"
    1.19 +#include "nsCRT.h"
    1.20 +#include "nsString.h"
    1.21 +#include "nsIClassInfoImpl.h"
    1.22 +#include "nsIScriptSecurityManager.h"
    1.23 +#include "pratom.h"
    1.24 +
    1.25 +NS_IMPL_CLASSINFO(nsSystemPrincipal, nullptr,
    1.26 +                  nsIClassInfo::SINGLETON | nsIClassInfo::MAIN_THREAD_ONLY,
    1.27 +                  NS_SYSTEMPRINCIPAL_CID)
    1.28 +NS_IMPL_QUERY_INTERFACE_CI(nsSystemPrincipal,
    1.29 +                           nsIPrincipal,
    1.30 +                           nsISerializable)
    1.31 +NS_IMPL_CI_INTERFACE_GETTER(nsSystemPrincipal,
    1.32 +                            nsIPrincipal,
    1.33 +                            nsISerializable)
    1.34 +
    1.35 +NS_IMETHODIMP_(MozExternalRefCountType)
    1.36 +nsSystemPrincipal::AddRef()
    1.37 +{
    1.38 +  NS_PRECONDITION(int32_t(refcount) >= 0, "illegal refcnt");
    1.39 +  nsrefcnt count = ++refcount;
    1.40 +  NS_LOG_ADDREF(this, count, "nsSystemPrincipal", sizeof(*this));
    1.41 +  return count;
    1.42 +}
    1.43 +
    1.44 +NS_IMETHODIMP_(MozExternalRefCountType)
    1.45 +nsSystemPrincipal::Release()
    1.46 +{
    1.47 +  NS_PRECONDITION(0 != refcount, "dup release");
    1.48 +  nsrefcnt count = --refcount;
    1.49 +  NS_LOG_RELEASE(this, count, "nsSystemPrincipal");
    1.50 +  if (count == 0) {
    1.51 +    delete this;
    1.52 +  }
    1.53 +
    1.54 +  return count;
    1.55 +}
    1.56 +
    1.57 +static const char SYSTEM_PRINCIPAL_SPEC[] = "[System Principal]";
    1.58 +
    1.59 +void
    1.60 +nsSystemPrincipal::GetScriptLocation(nsACString &aStr)
    1.61 +{
    1.62 +    aStr.Assign(SYSTEM_PRINCIPAL_SPEC);
    1.63 +}
    1.64 +
    1.65 +#ifdef DEBUG
    1.66 +void nsSystemPrincipal::dumpImpl()
    1.67 +{
    1.68 +  fprintf(stderr, "nsSystemPrincipal (%p)\n", this);
    1.69 +}
    1.70 +#endif 
    1.71 +
    1.72 +
    1.73 +///////////////////////////////////////
    1.74 +// Methods implementing nsIPrincipal //
    1.75 +///////////////////////////////////////
    1.76 +
    1.77 +NS_IMETHODIMP
    1.78 +nsSystemPrincipal::Equals(nsIPrincipal *other, bool *result)
    1.79 +{
    1.80 +    *result = (other == this);
    1.81 +    return NS_OK;
    1.82 +}
    1.83 +
    1.84 +NS_IMETHODIMP
    1.85 +nsSystemPrincipal::EqualsConsideringDomain(nsIPrincipal *other, bool *result)
    1.86 +{
    1.87 +    return Equals(other, result);
    1.88 +}
    1.89 +
    1.90 +NS_IMETHODIMP
    1.91 +nsSystemPrincipal::Subsumes(nsIPrincipal *other, bool *result)
    1.92 +{
    1.93 +    *result = true;
    1.94 +    return NS_OK;
    1.95 +}
    1.96 +
    1.97 +NS_IMETHODIMP
    1.98 +nsSystemPrincipal::SubsumesConsideringDomain(nsIPrincipal *other, bool *result)
    1.99 +{
   1.100 +    *result = true;
   1.101 +    return NS_OK;
   1.102 +}
   1.103 +
   1.104 +NS_IMETHODIMP
   1.105 +nsSystemPrincipal::CheckMayLoad(nsIURI* uri, bool aReport, bool aAllowIfInheritsPrincipal)
   1.106 +{
   1.107 +    return NS_OK;
   1.108 +}
   1.109 +
   1.110 +NS_IMETHODIMP
   1.111 +nsSystemPrincipal::GetHashValue(uint32_t *result)
   1.112 +{
   1.113 +    *result = NS_PTR_TO_INT32(this);
   1.114 +    return NS_OK;
   1.115 +}
   1.116 +
   1.117 +NS_IMETHODIMP 
   1.118 +nsSystemPrincipal::GetURI(nsIURI** aURI)
   1.119 +{
   1.120 +    *aURI = nullptr;
   1.121 +    return NS_OK;
   1.122 +}
   1.123 +
   1.124 +NS_IMETHODIMP 
   1.125 +nsSystemPrincipal::GetOrigin(char** aOrigin)
   1.126 +{
   1.127 +    *aOrigin = ToNewCString(NS_LITERAL_CSTRING(SYSTEM_PRINCIPAL_SPEC));
   1.128 +    return *aOrigin ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
   1.129 +}
   1.130 +
   1.131 +NS_IMETHODIMP
   1.132 +nsSystemPrincipal::GetCsp(nsIContentSecurityPolicy** aCsp)
   1.133 +{
   1.134 +  *aCsp = nullptr;
   1.135 +  return NS_OK;
   1.136 +}
   1.137 +
   1.138 +NS_IMETHODIMP
   1.139 +nsSystemPrincipal::SetCsp(nsIContentSecurityPolicy* aCsp)
   1.140 +{
   1.141 +  // CSP on a null principal makes no sense
   1.142 +  return NS_OK;
   1.143 +}
   1.144 +
   1.145 +NS_IMETHODIMP
   1.146 +nsSystemPrincipal::GetDomain(nsIURI** aDomain)
   1.147 +{
   1.148 +    *aDomain = nullptr;
   1.149 +    return NS_OK;
   1.150 +}
   1.151 +
   1.152 +NS_IMETHODIMP
   1.153 +nsSystemPrincipal::SetDomain(nsIURI* aDomain)
   1.154 +{
   1.155 +  return NS_OK;
   1.156 +}
   1.157 +
   1.158 +NS_IMETHODIMP
   1.159 +nsSystemPrincipal::GetJarPrefix(nsACString& aJarPrefix)
   1.160 +{
   1.161 +  aJarPrefix.Truncate();
   1.162 +  return NS_OK;
   1.163 +}
   1.164 +
   1.165 +NS_IMETHODIMP
   1.166 +nsSystemPrincipal::GetAppStatus(uint16_t* aAppStatus)
   1.167 +{
   1.168 +  *aAppStatus = nsIPrincipal::APP_STATUS_NOT_INSTALLED;
   1.169 +  return NS_OK;
   1.170 +}
   1.171 +
   1.172 +NS_IMETHODIMP
   1.173 +nsSystemPrincipal::GetAppId(uint32_t* aAppId)
   1.174 +{
   1.175 +  *aAppId = nsIScriptSecurityManager::NO_APP_ID;
   1.176 +  return NS_OK;
   1.177 +}
   1.178 +
   1.179 +NS_IMETHODIMP
   1.180 +nsSystemPrincipal::GetIsInBrowserElement(bool* aIsInBrowserElement)
   1.181 +{
   1.182 +  *aIsInBrowserElement = false;
   1.183 +  return NS_OK;
   1.184 +}
   1.185 +
   1.186 +NS_IMETHODIMP
   1.187 +nsSystemPrincipal::GetUnknownAppId(bool* aUnknownAppId)
   1.188 +{
   1.189 +  *aUnknownAppId = false;
   1.190 +  return NS_OK;
   1.191 +}
   1.192 +
   1.193 +NS_IMETHODIMP
   1.194 +nsSystemPrincipal::GetIsNullPrincipal(bool* aIsNullPrincipal)
   1.195 +{
   1.196 +  *aIsNullPrincipal = false;
   1.197 +  return NS_OK;
   1.198 +}
   1.199 +
   1.200 +NS_IMETHODIMP
   1.201 +nsSystemPrincipal::GetBaseDomain(nsACString& aBaseDomain)
   1.202 +{
   1.203 +  // No base domain for chrome.
   1.204 +  return NS_OK;
   1.205 +}
   1.206 +
   1.207 +//////////////////////////////////////////
   1.208 +// Methods implementing nsISerializable //
   1.209 +//////////////////////////////////////////
   1.210 +
   1.211 +NS_IMETHODIMP
   1.212 +nsSystemPrincipal::Read(nsIObjectInputStream* aStream)
   1.213 +{
   1.214 +    // no-op: CID is sufficient to identify the mSystemPrincipal singleton
   1.215 +    return NS_OK;
   1.216 +}
   1.217 +
   1.218 +NS_IMETHODIMP
   1.219 +nsSystemPrincipal::Write(nsIObjectOutputStream* aStream)
   1.220 +{
   1.221 +    // no-op: CID is sufficient to identify the mSystemPrincipal singleton
   1.222 +    return NS_OK;
   1.223 +}
   1.224 +
   1.225 +/////////////////////////////////////////////
   1.226 +// Constructor, Destructor, initialization //
   1.227 +/////////////////////////////////////////////
   1.228 +
   1.229 +nsSystemPrincipal::nsSystemPrincipal()
   1.230 +{
   1.231 +}
   1.232 +
   1.233 +nsSystemPrincipal::~nsSystemPrincipal()
   1.234 +{
   1.235 +}

mercurial