Exemplo n.º 1
0
nsresult
PrincipalToPrincipalInfo(nsIPrincipal* aPrincipal,
                         PrincipalInfo* aPrincipalInfo)
{
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(aPrincipal);
  MOZ_ASSERT(aPrincipalInfo);

  bool isNullPrin;
  nsresult rv = aPrincipal->GetIsNullPrincipal(&isNullPrin);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (isNullPrin) {
    *aPrincipalInfo = NullPrincipalInfo(BasePrincipal::Cast(aPrincipal)->OriginAttributesRef());
    return NS_OK;
  }

  nsCOMPtr<nsIScriptSecurityManager> secMan =
    do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  bool isSystemPrincipal;
  rv = secMan->IsSystemPrincipal(aPrincipal, &isSystemPrincipal);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (isSystemPrincipal) {
    *aPrincipalInfo = SystemPrincipalInfo();
    return NS_OK;
  }

  // might be an expanded principal
  nsCOMPtr<nsIExpandedPrincipal> expanded =
    do_QueryInterface(aPrincipal);

  if (expanded) {
    nsTArray<PrincipalInfo> whitelistInfo;
    PrincipalInfo info;

    nsTArray< nsCOMPtr<nsIPrincipal> >* whitelist;
    MOZ_ALWAYS_SUCCEEDS(expanded->GetWhiteList(&whitelist));

    for (uint32_t i = 0; i < whitelist->Length(); i++) {
      rv = PrincipalToPrincipalInfo((*whitelist)[i], &info);
      if (NS_WARN_IF(NS_FAILED(rv))) {
        return rv;
      }
      // append that spec to the whitelist
      whitelistInfo.AppendElement(info);
    }

    *aPrincipalInfo =
      ExpandedPrincipalInfo(BasePrincipal::Cast(aPrincipal)->OriginAttributesRef(),
                            Move(whitelistInfo));
    return NS_OK;
  }

  // must be a content principal

  nsCOMPtr<nsIURI> uri;
  rv = aPrincipal->GetURI(getter_AddRefs(uri));
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (NS_WARN_IF(!uri)) {
    return NS_ERROR_FAILURE;
  }

  nsCString spec;
  rv = uri->GetSpec(spec);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  *aPrincipalInfo = ContentPrincipalInfo(BasePrincipal::Cast(aPrincipal)->OriginAttributesRef(),
                                         spec);
  return NS_OK;
}
Exemplo n.º 2
0
nsresult
PrincipalToPrincipalInfo(nsIPrincipal* aPrincipal,
                         PrincipalInfo* aPrincipalInfo)
{
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(aPrincipal);
  MOZ_ASSERT(aPrincipalInfo);

  bool isNullPointer;
  nsresult rv = aPrincipal->GetIsNullPrincipal(&isNullPointer);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (isNullPointer) {
    *aPrincipalInfo = NullPrincipalInfo();
    return NS_OK;
  }

  nsCOMPtr<nsIScriptSecurityManager> secMan =
    do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  bool isSystemPrincipal;
  rv = secMan->IsSystemPrincipal(aPrincipal, &isSystemPrincipal);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (isSystemPrincipal) {
    *aPrincipalInfo = SystemPrincipalInfo();
    return NS_OK;
  }

  // might be an expanded principal
  nsCOMPtr<nsIExpandedPrincipal> expanded =
    do_QueryInterface(aPrincipal);

  if (expanded) {
    nsTArray<PrincipalInfo> whitelistInfo;
    PrincipalInfo info;

    nsTArray< nsCOMPtr<nsIPrincipal> >* whitelist;
    MOZ_ALWAYS_TRUE(NS_SUCCEEDED(expanded->GetWhiteList(&whitelist)));

    for (uint32_t i = 0; i < whitelist->Length(); i++) {
      rv = PrincipalToPrincipalInfo((*whitelist)[i], &info);
      if (NS_WARN_IF(NS_FAILED(rv))) {
        return rv;
      }
      // append that spec to the whitelist
      whitelistInfo.AppendElement(info);
    }

    *aPrincipalInfo = ExpandedPrincipalInfo(Move(whitelistInfo));
    return NS_OK;
  }

  // must be a content principal

  nsCOMPtr<nsIURI> uri;
  rv = aPrincipal->GetURI(getter_AddRefs(uri));
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  if (NS_WARN_IF(!uri)) {
    return NS_ERROR_FAILURE;
  }

  nsCString spec;
  rv = uri->GetSpec(spec);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  bool isUnknownAppId;
  rv = aPrincipal->GetUnknownAppId(&isUnknownAppId);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  uint32_t appId;
  if (isUnknownAppId) {
    appId = nsIScriptSecurityManager::UNKNOWN_APP_ID;
  } else {
    rv = aPrincipal->GetAppId(&appId);
    if (NS_WARN_IF(NS_FAILED(rv))) {
      return rv;
    }
  }

  bool isInBrowserElement;
  rv = aPrincipal->GetIsInBrowserElement(&isInBrowserElement);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  *aPrincipalInfo = ContentPrincipalInfo(appId, isInBrowserElement, spec);
  return NS_OK;
}