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BasePrincipal.cpp
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BasePrincipal.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et tw=80: */
/* 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/. */
#include "mozilla/BasePrincipal.h"
#include "nsDocShell.h"
#include "ExpandedPrincipal.h"
#include "nsNetUtil.h"
#include "nsContentUtils.h"
#include "nsIOService.h"
#include "nsIURIWithSpecialOrigin.h"
#include "nsScriptSecurityManager.h"
#include "nsServiceManagerUtils.h"
#include "nsAboutProtocolUtils.h"
#include "ThirdPartyUtil.h"
#include "mozilla/ContentPrincipal.h"
#include "mozilla/ExtensionPolicyService.h"
#include "mozilla/NullPrincipal.h"
#include "mozilla/dom/BlobURLProtocolHandler.h"
#include "mozilla/dom/ChromeUtils.h"
#include "mozilla/dom/ReferrerInfo.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/nsMixedContentBlocker.h"
#include "mozilla/Components.h"
#include "mozilla/dom/StorageUtils.h"
#include "mozilla/dom/StorageUtils.h"
#include "mozilla/JSONStringWriteFuncs.h"
#include "mozilla/JSONWriter.h"
#include "nsIURL.h"
#include "nsEffectiveTLDService.h"
#include "nsIURIMutator.h"
#include "mozilla/StaticPrefs_permissions.h"
#include "nsIURIMutator.h"
#include "nsMixedContentBlocker.h"
#include "prnetdb.h"
#include "nsIURIFixup.h"
#include "mozilla/dom/StorageUtils.h"
#include "mozilla/StorageAccess.h"
#include "nsPIDOMWindow.h"
#include "nsIURIMutator.h"
#include "mozilla/PermissionManager.h"
#include "nsSerializationHelper.h"
#include "js/JSON.h"
#include "ContentPrincipalJSONHandler.h"
#include "ExpandedPrincipalJSONHandler.h"
#include "NullPrincipalJSONHandler.h"
#include "PrincipalJSONHandler.h"
#include "SubsumedPrincipalJSONHandler.h"
namespace mozilla {
BasePrincipal::BasePrincipal(PrincipalKind aKind,
const nsACString& aOriginNoSuffix,
const OriginAttributes& aOriginAttributes)
: mOriginNoSuffix(NS_Atomize(aOriginNoSuffix)),
mOriginSuffix(aOriginAttributes.CreateSuffixAtom()),
mOriginAttributes(aOriginAttributes),
mKind(aKind),
mHasExplicitDomain(false) {}
BasePrincipal::BasePrincipal(BasePrincipal* aOther,
const OriginAttributes& aOriginAttributes)
: mOriginNoSuffix(aOther->mOriginNoSuffix),
mOriginSuffix(aOriginAttributes.CreateSuffixAtom()),
mOriginAttributes(aOriginAttributes),
mKind(aOther->mKind),
mHasExplicitDomain(aOther->mHasExplicitDomain.load()) {}
BasePrincipal::~BasePrincipal() = default;
NS_IMETHODIMP
BasePrincipal::GetOrigin(nsACString& aOrigin) {
nsresult rv = GetOriginNoSuffix(aOrigin);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString suffix;
rv = GetOriginSuffix(suffix);
NS_ENSURE_SUCCESS(rv, rv);
aOrigin.Append(suffix);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetWebExposedOriginSerialization(nsACString& aOrigin) {
aOrigin.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_ERROR_NOT_AVAILABLE;
}
return nsContentUtils::GetWebExposedOriginSerialization(prinURI, aOrigin);
}
NS_IMETHODIMP
BasePrincipal::GetHostPort(nsACString& aRes) {
aRes.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetHostPort(aRes);
}
NS_IMETHODIMP
BasePrincipal::GetHost(nsACString& aRes) {
aRes.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetHost(aRes);
}
NS_IMETHODIMP
BasePrincipal::GetOriginNoSuffix(nsACString& aOrigin) {
mOriginNoSuffix->ToUTF8String(aOrigin);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetSiteOrigin(nsACString& aSiteOrigin) {
nsresult rv = GetSiteOriginNoSuffix(aSiteOrigin);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString suffix;
rv = GetOriginSuffix(suffix);
NS_ENSURE_SUCCESS(rv, rv);
aSiteOrigin.Append(suffix);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetSiteOriginNoSuffix(nsACString& aSiteOrigin) {
return GetOriginNoSuffix(aSiteOrigin);
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::ProcessInnerResult(
bool aResult) {
if (!aResult) {
NS_WARNING("Failed to parse inner object");
mState = State::Error;
return false;
}
return true;
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::startObject() {
if (mInnerHandler.isSome()) {
return CallOnInner([&](auto& aInner) { return aInner.startObject(); });
}
switch (mState) {
case State::Init:
mState = State::StartObject;
break;
case State::SystemPrincipal_Key:
mState = State::SystemPrincipal_StartObject;
break;
default:
NS_WARNING("Unexpected object value");
mState = State::Error;
return false;
}
return true;
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::propertyName(
const JS::Latin1Char* name, size_t length) {
if (mInnerHandler.isSome()) {
return CallOnInner(
[&](auto& aInner) { return aInner.propertyName(name, length); });
}
switch (mState) {
case State::StartObject: {
if (length != 1) {
NS_WARNING(
nsPrintfCString("Unexpected property name length: %zu", length)
.get());
mState = State::Error;
return false;
}
char key = char(name[0]);
switch (key) {
case BasePrincipal::NullPrincipalKey:
mState = State::NullPrincipal_Inner;
mInnerHandler.emplace(VariantType<NullPrincipalJSONHandler>());
break;
case BasePrincipal::ContentPrincipalKey:
mState = State::ContentPrincipal_Inner;
mInnerHandler.emplace(VariantType<ContentPrincipalJSONHandler>());
break;
case BasePrincipal::SystemPrincipalKey:
mState = State::SystemPrincipal_Key;
break;
default:
if constexpr (CanContainExpandedPrincipal) {
if (key == BasePrincipal::ExpandedPrincipalKey) {
mState = State::ExpandedPrincipal_Inner;
mInnerHandler.emplace(
VariantType<ExpandedPrincipalJSONHandler>());
break;
}
}
NS_WARNING(
nsPrintfCString("Unexpected property name: '%c'", key).get());
mState = State::Error;
return false;
}
break;
}
default:
NS_WARNING("Unexpected property name");
mState = State::Error;
return false;
}
return true;
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::endObject() {
if (mInnerHandler.isSome()) {
return CallOnInner([&](auto& aInner) {
if (!aInner.endObject()) {
return false;
}
if (aInner.HasAccepted()) {
this->mPrincipal = aInner.mPrincipal.forget();
MOZ_ASSERT(this->mPrincipal);
mInnerHandler.reset();
}
return true;
});
}
switch (mState) {
case State::SystemPrincipal_StartObject:
mState = State::SystemPrincipal_EndObject;
break;
case State::SystemPrincipal_EndObject:
this->mPrincipal =
BasePrincipal::Cast(nsContentUtils::GetSystemPrincipal());
mState = State::EndObject;
break;
case State::NullPrincipal_Inner:
mState = State::EndObject;
break;
case State::ContentPrincipal_Inner:
mState = State::EndObject;
break;
default:
if constexpr (CanContainExpandedPrincipal) {
if (mState == State::ExpandedPrincipal_Inner) {
mState = State::EndObject;
break;
}
}
NS_WARNING("Unexpected end of object");
mState = State::Error;
return false;
}
return true;
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::startArray() {
if constexpr (CanContainExpandedPrincipal) {
if (mInnerHandler.isSome()) {
return CallOnInner([&](auto& aInner) { return aInner.startArray(); });
}
}
NS_WARNING("Unexpected array value");
mState = State::Error;
return false;
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::endArray() {
if constexpr (CanContainExpandedPrincipal) {
if (mInnerHandler.isSome()) {
return CallOnInner([&](auto& aInner) { return aInner.endArray(); });
}
}
NS_WARNING("Unexpected array value");
mState = State::Error;
return false;
}
template <typename HandlerTypesT>
bool ContainerPrincipalJSONHandler<HandlerTypesT>::stringValue(
const JS::Latin1Char* str, size_t length) {
if (mInnerHandler.isSome()) {
return CallOnInner(
[&](auto& aInner) { return aInner.stringValue(str, length); });
}
NS_WARNING("Unexpected string value");
mState = State::Error;
return false;
}
template class ContainerPrincipalJSONHandler<PrincipalJSONHandlerTypes>;
template class ContainerPrincipalJSONHandler<SubsumedPrincipalJSONHandlerTypes>;
// Takes a JSON string and parses it turning it into a principal of the
// corresponding type
//
// Given a content principal:
//
// inner JSON object
// |
// ---------------------------------------------------------
// | |
// {"1": {"0": "https://mozilla.com", "2": "^privateBrowsingId=1"}}
// | | | | |
// | ----------------------------- |
// | | | |
// PrincipalKind | | |
// | ----------------------------
// SerializableKeys |
// Value
//
already_AddRefed<BasePrincipal> BasePrincipal::FromJSON(
const nsACString& aJSON) {
PrincipalJSONHandler handler;
if (!JS::ParseJSONWithHandler(
reinterpret_cast<const JS::Latin1Char*>(aJSON.BeginReading()),
aJSON.Length(), &handler)) {
NS_WARNING(
nsPrintfCString("Unable to parse: %s", aJSON.BeginReading()).get());
MOZ_ASSERT(false,
"Unable to parse string as JSON to deserialize as a principal");
return nullptr;
}
return handler.Get();
}
// Returns a JSON representation of the principal.
// Calling BasePrincipal::FromJSON will deserialize the JSON into
// the corresponding principal type.
nsresult BasePrincipal::ToJSON(nsACString& aJSON) {
MOZ_ASSERT(aJSON.IsEmpty(), "ToJSON only supports an empty result input");
aJSON.Truncate();
// NOTE: JSONWriter emits raw UTF-8 code units for non-ASCII range.
JSONStringRefWriteFunc func(aJSON);
JSONWriter writer(func, JSONWriter::CollectionStyle::SingleLineStyle);
nsresult rv = ToJSON(writer);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult BasePrincipal::ToJSON(JSONWriter& aWriter) {
static_assert(eKindMax < ArrayLength(JSONEnumKeyStrings));
aWriter.Start(JSONWriter::CollectionStyle::SingleLineStyle);
nsresult rv = WriteJSONProperties(aWriter);
NS_ENSURE_SUCCESS(rv, rv);
aWriter.End();
return NS_OK;
}
nsresult BasePrincipal::WriteJSONProperties(JSONWriter& aWriter) {
aWriter.StartObjectProperty(JSONEnumKeyStrings[Kind()],
JSONWriter::CollectionStyle::SingleLineStyle);
nsresult rv = WriteJSONInnerProperties(aWriter);
NS_ENSURE_SUCCESS(rv, rv);
aWriter.EndObject();
return NS_OK;
}
nsresult BasePrincipal::WriteJSONInnerProperties(JSONWriter& aWriter) {
return NS_OK;
}
bool BasePrincipal::FastSubsumesIgnoringFPD(
nsIPrincipal* aOther, DocumentDomainConsideration aConsideration) {
MOZ_ASSERT(aOther);
if (Kind() == eContentPrincipal &&
!dom::ChromeUtils::IsOriginAttributesEqualIgnoringFPD(
mOriginAttributes, Cast(aOther)->mOriginAttributes)) {
return false;
}
return SubsumesInternal(aOther, aConsideration);
}
bool BasePrincipal::Subsumes(nsIPrincipal* aOther,
DocumentDomainConsideration aConsideration) {
MOZ_ASSERT(aOther);
MOZ_ASSERT_IF(Kind() == eContentPrincipal, mOriginSuffix);
// Expanded principals handle origin attributes for each of their
// sub-principals individually, null principals do only simple checks for
// pointer equality, and system principals are immune to origin attributes
// checks, so only do this check for content principals.
if (Kind() == eContentPrincipal &&
mOriginSuffix != Cast(aOther)->mOriginSuffix) {
return false;
}
return SubsumesInternal(aOther, aConsideration);
}
NS_IMETHODIMP
BasePrincipal::Equals(nsIPrincipal* aOther, bool* aResult) {
NS_ENSURE_ARG_POINTER(aOther);
*aResult = FastEquals(aOther);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::EqualsForPermission(nsIPrincipal* aOther, bool aExactHost,
bool* aResult) {
*aResult = false;
NS_ENSURE_ARG_POINTER(aOther);
NS_ENSURE_ARG_POINTER(aResult);
auto* other = Cast(aOther);
if (Kind() != other->Kind()) {
// Principals of different kinds can't be equal.
return NS_OK;
}
if (Kind() == eSystemPrincipal) {
*aResult = this == other;
return NS_OK;
}
if (Kind() == eNullPrincipal) {
// We don't store permissions for NullPrincipals.
return NS_OK;
}
MOZ_ASSERT(Kind() == eExpandedPrincipal || Kind() == eContentPrincipal);
// Certain origin attributes should not be used to isolate permissions.
// Create a stripped copy of both OA sets to compare.
mozilla::OriginAttributes ourAttrs = mOriginAttributes;
PermissionManager::MaybeStripOriginAttributes(false, ourAttrs);
mozilla::OriginAttributes theirAttrs = aOther->OriginAttributesRef();
PermissionManager::MaybeStripOriginAttributes(false, theirAttrs);
if (ourAttrs != theirAttrs) {
return NS_OK;
}
if (mOriginNoSuffix == other->mOriginNoSuffix) {
*aResult = true;
return NS_OK;
}
// If we are matching with an exact host, we're done now - the permissions
// don't match otherwise, we need to start comparing subdomains!
if (aExactHost) {
return NS_OK;
}
nsCOMPtr<nsIURI> ourURI;
nsresult rv = GetURI(getter_AddRefs(ourURI));
NS_ENSURE_SUCCESS(rv, rv);
// Some principal types may indicate success, but still return nullptr for
// URI.
NS_ENSURE_TRUE(ourURI, NS_ERROR_FAILURE);
nsCOMPtr<nsIURI> otherURI;
rv = other->GetURI(getter_AddRefs(otherURI));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(otherURI, NS_ERROR_FAILURE);
// Compare schemes
nsAutoCString otherScheme;
rv = otherURI->GetScheme(otherScheme);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString ourScheme;
rv = ourURI->GetScheme(ourScheme);
NS_ENSURE_SUCCESS(rv, rv);
if (otherScheme != ourScheme) {
return NS_OK;
}
// Compare ports
int32_t otherPort;
rv = otherURI->GetPort(&otherPort);
NS_ENSURE_SUCCESS(rv, rv);
int32_t ourPort;
rv = ourURI->GetPort(&ourPort);
NS_ENSURE_SUCCESS(rv, rv);
if (otherPort != ourPort) {
return NS_OK;
}
// Check if the host or any subdomain of their host matches.
nsAutoCString otherHost;
rv = otherURI->GetHost(otherHost);
if (NS_FAILED(rv) || otherHost.IsEmpty()) {
return NS_OK;
}
nsAutoCString ourHost;
rv = ourURI->GetHost(ourHost);
if (NS_FAILED(rv) || ourHost.IsEmpty()) {
return NS_OK;
}
nsCOMPtr<nsIEffectiveTLDService> tldService =
do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID);
if (!tldService) {
NS_ERROR("Should have a tld service!");
return NS_ERROR_FAILURE;
}
// This loop will not loop forever, as GetNextSubDomain will eventually fail
// with NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS.
while (otherHost != ourHost) {
rv = tldService->GetNextSubDomain(otherHost, otherHost);
if (NS_FAILED(rv)) {
if (rv == NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS) {
return NS_OK;
}
return rv;
}
}
*aResult = true;
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::EqualsConsideringDomain(nsIPrincipal* aOther, bool* aResult) {
NS_ENSURE_ARG_POINTER(aOther);
*aResult = FastEqualsConsideringDomain(aOther);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::EqualsURI(nsIURI* aOtherURI, bool* aResult) {
*aResult = false;
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->EqualsExceptRef(aOtherURI, aResult);
}
NS_IMETHODIMP
BasePrincipal::Subsumes(nsIPrincipal* aOther, bool* aResult) {
NS_ENSURE_ARG_POINTER(aOther);
*aResult = FastSubsumes(aOther);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::SubsumesConsideringDomain(nsIPrincipal* aOther, bool* aResult) {
NS_ENSURE_ARG_POINTER(aOther);
*aResult = FastSubsumesConsideringDomain(aOther);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::SubsumesConsideringDomainIgnoringFPD(nsIPrincipal* aOther,
bool* aResult) {
NS_ENSURE_ARG_POINTER(aOther);
*aResult = FastSubsumesConsideringDomainIgnoringFPD(aOther);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::CheckMayLoad(nsIURI* aURI, bool aAllowIfInheritsPrincipal) {
AssertIsOnMainThread();
return CheckMayLoadHelper(aURI, aAllowIfInheritsPrincipal, false, 0);
}
NS_IMETHODIMP
BasePrincipal::CheckMayLoadWithReporting(nsIURI* aURI,
bool aAllowIfInheritsPrincipal,
uint64_t aInnerWindowID) {
AssertIsOnMainThread();
return CheckMayLoadHelper(aURI, aAllowIfInheritsPrincipal, true,
aInnerWindowID);
}
nsresult BasePrincipal::CheckMayLoadHelper(nsIURI* aURI,
bool aAllowIfInheritsPrincipal,
bool aReport,
uint64_t aInnerWindowID) {
AssertIsOnMainThread(); // Accesses non-threadsafe URI flags and the
// non-threadsafe ExtensionPolicyService
NS_ENSURE_ARG_POINTER(aURI);
MOZ_ASSERT(
aReport || aInnerWindowID == 0,
"Why do we have an inner window id if we're not supposed to report?");
// Check the internal method first, which allows us to quickly approve loads
// for the System Principal.
if (MayLoadInternal(aURI)) {
return NS_OK;
}
nsresult rv;
if (aAllowIfInheritsPrincipal) {
// If the caller specified to allow loads of URIs that inherit
// our principal, allow the load if this URI inherits its principal.
bool doesInheritSecurityContext;
rv = NS_URIChainHasFlags(aURI,
nsIProtocolHandler::URI_INHERITS_SECURITY_CONTEXT,
&doesInheritSecurityContext);
if (NS_SUCCEEDED(rv) && doesInheritSecurityContext) {
return NS_OK;
}
}
// Web Accessible Resources in MV2 Extensions are marked with
// URI_FETCHABLE_BY_ANYONE
bool fetchableByAnyone;
rv = NS_URIChainHasFlags(aURI, nsIProtocolHandler::URI_FETCHABLE_BY_ANYONE,
&fetchableByAnyone);
if (NS_SUCCEEDED(rv) && fetchableByAnyone) {
return NS_OK;
}
// Get the principal uri for the last flag check or error.
nsCOMPtr<nsIURI> prinURI;
rv = GetURI(getter_AddRefs(prinURI));
if (!(NS_SUCCEEDED(rv) && prinURI)) {
return NS_ERROR_DOM_BAD_URI;
}
// If MV3 Extension uris are web accessible by this principal it is allowed to
// load.
bool maybeWebAccessible = false;
NS_URIChainHasFlags(aURI, nsIProtocolHandler::WEBEXT_URI_WEB_ACCESSIBLE,
&maybeWebAccessible);
NS_ENSURE_SUCCESS(rv, rv);
if (maybeWebAccessible) {
bool isWebAccessible = false;
rv = ExtensionPolicyService::GetSingleton().SourceMayLoadExtensionURI(
prinURI, aURI, &isWebAccessible);
if (NS_SUCCEEDED(rv) && isWebAccessible) {
return NS_OK;
}
}
if (aReport) {
nsScriptSecurityManager::ReportError(
"CheckSameOriginError", prinURI, aURI,
mOriginAttributes.mPrivateBrowsingId > 0, aInnerWindowID);
}
return NS_ERROR_DOM_BAD_URI;
}
NS_IMETHODIMP
BasePrincipal::IsThirdPartyURI(nsIURI* aURI, bool* aRes) {
if (IsSystemPrincipal() || (AddonPolicyCore() && AddonAllowsLoad(aURI))) {
*aRes = false;
return NS_OK;
}
*aRes = true;
// If we do not have a URI its always 3rd party.
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
ThirdPartyUtil* thirdPartyUtil = ThirdPartyUtil::GetInstance();
return thirdPartyUtil->IsThirdPartyURI(prinURI, aURI, aRes);
}
NS_IMETHODIMP
BasePrincipal::IsThirdPartyPrincipal(nsIPrincipal* aPrin, bool* aRes) {
*aRes = true;
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return aPrin->IsThirdPartyURI(prinURI, aRes);
}
NS_IMETHODIMP
BasePrincipal::IsThirdPartyChannel(nsIChannel* aChan, bool* aRes) {
AssertIsOnMainThread();
if (IsSystemPrincipal()) {
// Nothing is 3rd party to the system principal.
*aRes = false;
return NS_OK;
}
nsCOMPtr<nsIURI> prinURI;
GetURI(getter_AddRefs(prinURI));
ThirdPartyUtil* thirdPartyUtil = ThirdPartyUtil::GetInstance();
return thirdPartyUtil->IsThirdPartyChannel(aChan, prinURI, aRes);
}
NS_IMETHODIMP
BasePrincipal::IsSameOrigin(nsIURI* aURI, bool* aRes) {
*aRes = false;
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
// Note that expanded and system principals return here, because they have
// no URI.
return NS_OK;
}
*aRes = nsScriptSecurityManager::SecurityCompareURIs(prinURI, aURI);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::IsL10nAllowed(nsIURI* aURI, bool* aRes) {
AssertIsOnMainThread(); // URI_DANGEROUS_TO_LOAD is not threadsafe to query.
*aRes = false;
if (nsContentUtils::IsErrorPage(aURI)) {
*aRes = true;
return NS_OK;
}
// The system principal is always allowed.
if (IsSystemPrincipal()) {
*aRes = true;
return NS_OK;
}
nsCOMPtr<nsIURI> uri;
nsresult rv = GetURI(getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, NS_OK);
bool hasFlags;
// Allow access to uris that cannot be loaded by web content.
rv = NS_URIChainHasFlags(uri, nsIProtocolHandler::URI_DANGEROUS_TO_LOAD,
&hasFlags);
NS_ENSURE_SUCCESS(rv, NS_OK);
if (hasFlags) {
*aRes = true;
return NS_OK;
}
// UI resources also get access.
rv = NS_URIChainHasFlags(uri, nsIProtocolHandler::URI_IS_UI_RESOURCE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, NS_OK);
if (hasFlags) {
*aRes = true;
return NS_OK;
}
auto policy = AddonPolicyCore();
*aRes = (policy && policy->IsPrivileged());
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::AllowsRelaxStrictFileOriginPolicy(nsIURI* aURI, bool* aRes) {
*aRes = false;
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
*aRes = NS_RelaxStrictFileOriginPolicy(aURI, prinURI);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetPrefLightCacheKey(nsIURI* aURI, bool aWithCredentials,
const OriginAttributes& aOriginAttributes,
nsACString& _retval) {
_retval.Truncate();
constexpr auto space = " "_ns;
nsCOMPtr<nsIURI> uri;
nsresult rv = GetURI(getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString scheme, host, port;
if (uri) {
uri->GetScheme(scheme);
uri->GetHost(host);
port.AppendInt(NS_GetRealPort(uri));
}
if (aWithCredentials) {
_retval.AssignLiteral("cred");
} else {
_retval.AssignLiteral("nocred");
}
nsAutoCString spec;
rv = aURI->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString originAttributesSuffix;
aOriginAttributes.CreateSuffix(originAttributesSuffix);
_retval.Append(space + scheme + space + host + space + port + space + spec +
space + originAttributesSuffix);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::HasFirstpartyStorageAccess(mozIDOMWindow* aCheckWindow,
uint32_t* aRejectedReason,
bool* aOutAllowed) {
AssertIsOnMainThread();
*aRejectedReason = 0;
*aOutAllowed = false;
nsPIDOMWindowInner* win = nsPIDOMWindowInner::From(aCheckWindow);
nsCOMPtr<nsIURI> uri;
nsresult rv = GetURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) {
return rv;
}
*aOutAllowed = ShouldAllowAccessFor(win, uri, aRejectedReason);
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetIsNullPrincipal(bool* aResult) {
*aResult = Kind() == eNullPrincipal;
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetIsContentPrincipal(bool* aResult) {
*aResult = Kind() == eContentPrincipal;
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetIsExpandedPrincipal(bool* aResult) {
*aResult = Kind() == eExpandedPrincipal;
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetAsciiSpec(nsACString& aSpec) {
aSpec.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetAsciiSpec(aSpec);
}
NS_IMETHODIMP
BasePrincipal::GetSpec(nsACString& aSpec) {
aSpec.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetSpec(aSpec);
}
NS_IMETHODIMP
BasePrincipal::GetAsciiHost(nsACString& aHost) {
aHost.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetAsciiHost(aHost);
}
NS_IMETHODIMP
BasePrincipal::GetExposablePrePath(nsACString& aPrepath) {
aPrepath.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
nsCOMPtr<nsIURI> exposableURI = net::nsIOService::CreateExposableURI(prinURI);
return exposableURI->GetDisplayPrePath(aPrepath);
}
NS_IMETHODIMP
BasePrincipal::GetExposableSpec(nsACString& aSpec) {
aSpec.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
nsCOMPtr<nsIURI> clone;
rv = NS_MutateURI(prinURI)
.SetQuery(""_ns)
.SetRef(""_ns)
.SetUserPass(""_ns)
.Finalize(clone);
NS_ENSURE_SUCCESS(rv, rv);
return clone->GetAsciiSpec(aSpec);
}
NS_IMETHODIMP
BasePrincipal::GetPrePath(nsACString& aPath) {
aPath.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetPrePath(aPath);
}
NS_IMETHODIMP
BasePrincipal::GetFilePath(nsACString& aPath) {
aPath.Truncate();
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
return prinURI->GetFilePath(aPath);
}
NS_IMETHODIMP
BasePrincipal::GetIsSystemPrincipal(bool* aResult) {
*aResult = IsSystemPrincipal();
return NS_OK;
}
NS_IMETHODIMP
BasePrincipal::GetIsAddonOrExpandedAddonPrincipal(bool* aResult) {
*aResult = AddonPolicyCore() || ContentScriptAddonPolicyCore();
return NS_OK;
}
NS_IMETHODIMP BasePrincipal::GetIsOnion(bool* aIsOnion) {
*aIsOnion = false;
nsCOMPtr<nsIURI> prinURI;
nsresult rv = GetURI(getter_AddRefs(prinURI));
if (NS_FAILED(rv) || !prinURI) {
return NS_OK;
}
nsAutoCString host;
rv = prinURI->GetHost(host);
if (NS_FAILED(rv)) {
return NS_OK;
}
*aIsOnion = StringEndsWith(host, ".onion"_ns);
return NS_OK;
}
NS_IMETHODIMP BasePrincipal::GetIsIpAddress(bool* aIsIpAddress) {
*aIsIpAddress = false;