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tenfourfox/caps/nsScriptSecurityManager.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 "nsScriptSecurityManager.h"
#include "mozilla/ArrayUtils.h"
#include "xpcprivate.h"
#include "XPCWrapper.h"
#include "nsIAppsService.h"
#include "nsILoadContext.h"
#include "nsIServiceManager.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsIScriptContext.h"
#include "nsIURL.h"
#include "nsINestedURI.h"
#include "nspr.h"
#include "nsJSPrincipals.h"
#include "mozilla/BasePrincipal.h"
#include "nsSystemPrincipal.h"
#include "nsPrincipal.h"
#include "nsNullPrincipal.h"
#include "DomainPolicy.h"
#include "nsXPIDLString.h"
#include "nsCRT.h"
#include "nsCRTGlue.h"
#include "nsError.h"
#include "nsDOMCID.h"
#include "nsIXPConnect.h"
#include "nsTextFormatter.h"
#include "nsIStringBundle.h"
#include "nsNetUtil.h"
#include "nsIEffectiveTLDService.h"
#include "nsIProperties.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIFile.h"
#include "nsIFileURL.h"
#include "nsIZipReader.h"
#include "nsIXPConnect.h"
#include "nsIScriptGlobalObject.h"
#include "nsPIDOMWindow.h"
#include "nsIDocShell.h"
#include "nsIPrompt.h"
#include "nsIWindowWatcher.h"
#include "nsIConsoleService.h"
#include "nsIObserverService.h"
#include "nsIContent.h"
#include "nsAutoPtr.h"
#include "nsDOMJSUtils.h"
#include "nsAboutProtocolUtils.h"
#include "nsIClassInfo.h"
#include "nsIURIFixup.h"
#include "nsCDefaultURIFixup.h"
#include "nsIChromeRegistry.h"
#include "nsIContentSecurityPolicy.h"
#include "nsIAsyncVerifyRedirectCallback.h"
#include "mozIApplication.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/BindingUtils.h"
#include <stdint.h>
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/StaticPtr.h"
#include "nsContentUtils.h"
#include "nsJSUtils.h"
#include "nsILoadInfo.h"
#include "nsXPCOMStrings.h"
// This should be probably defined on some other place... but I couldn't find it
#define WEBAPPS_PERM_NAME "webapps-manage"
using namespace mozilla;
using namespace mozilla::dom;
nsIIOService *nsScriptSecurityManager::sIOService = nullptr;
nsIStringBundle *nsScriptSecurityManager::sStrBundle = nullptr;
JSRuntime *nsScriptSecurityManager::sRuntime = 0;
bool nsScriptSecurityManager::sStrictFileOriginPolicy = true;
///////////////////////////
// Convenience Functions //
///////////////////////////
class nsAutoInPrincipalDomainOriginSetter {
public:
nsAutoInPrincipalDomainOriginSetter() {
++sInPrincipalDomainOrigin;
}
~nsAutoInPrincipalDomainOriginSetter() {
--sInPrincipalDomainOrigin;
}
static uint32_t sInPrincipalDomainOrigin;
};
uint32_t nsAutoInPrincipalDomainOriginSetter::sInPrincipalDomainOrigin;
static
nsresult
GetOriginFromURI(nsIURI* aURI, nsACString& aOrigin)
{
if (nsAutoInPrincipalDomainOriginSetter::sInPrincipalDomainOrigin > 1) {
// Allow a single recursive call to GetPrincipalDomainOrigin, since that
// might be happening on a different principal from the first call. But
// after that, cut off the recursion; it just indicates that something
// we're doing in this method causes us to reenter a security check here.
return NS_ERROR_NOT_AVAILABLE;
}
nsAutoInPrincipalDomainOriginSetter autoSetter;
nsCOMPtr<nsIURI> uri = NS_GetInnermostURI(aURI);
NS_ENSURE_TRUE(uri, NS_ERROR_UNEXPECTED);
nsAutoCString hostPort;
nsresult rv = uri->GetHostPort(hostPort);
if (NS_SUCCEEDED(rv)) {
nsAutoCString scheme;
rv = uri->GetScheme(scheme);
NS_ENSURE_SUCCESS(rv, rv);
aOrigin = scheme + NS_LITERAL_CSTRING("://") + hostPort;
}
else {
// Some URIs (e.g., nsSimpleURI) don't support host. Just
// get the full spec.
rv = uri->GetSpec(aOrigin);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
static
nsresult
GetPrincipalDomainOrigin(nsIPrincipal* aPrincipal,
nsACString& aOrigin)
{
nsCOMPtr<nsIURI> uri;
aPrincipal->GetDomain(getter_AddRefs(uri));
if (!uri) {
aPrincipal->GetURI(getter_AddRefs(uri));
}
NS_ENSURE_TRUE(uri, NS_ERROR_UNEXPECTED);
return GetOriginFromURI(uri, aOrigin);
}
inline void SetPendingException(JSContext *cx, const char *aMsg)
{
JS_ReportError(cx, "%s", aMsg);
}
inline void SetPendingException(JSContext *cx, const char16_t *aMsg)
{
JS_ReportError(cx, "%hs", aMsg);
}
// Helper class to get stuff from the ClassInfo and not waste extra time with
// virtual method calls for things it has already gotten
class ClassInfoData
{
public:
ClassInfoData(nsIClassInfo *aClassInfo, const char *aName)
: mClassInfo(aClassInfo),
mName(const_cast<char *>(aName)),
mDidGetFlags(false),
mMustFreeName(false)
{
}
~ClassInfoData()
{
if (mMustFreeName)
free(mName);
}
uint32_t GetFlags()
{
if (!mDidGetFlags) {
if (mClassInfo) {
nsresult rv = mClassInfo->GetFlags(&mFlags);
if (NS_FAILED(rv)) {
mFlags = 0;
}
} else {
mFlags = 0;
}
mDidGetFlags = true;
}
return mFlags;
}
bool IsDOMClass()
{
return !!(GetFlags() & nsIClassInfo::DOM_OBJECT);
}
const char* GetName()
{
if (!mName) {
if (mClassInfo) {
mClassInfo->GetClassDescription(&mName);
}
if (mName) {
mMustFreeName = true;
} else {
mName = const_cast<char *>("UnnamedClass");
}
}
return mName;
}
private:
nsIClassInfo *mClassInfo; // WEAK
uint32_t mFlags;
char *mName;
bool mDidGetFlags;
bool mMustFreeName;
};
JSContext *
nsScriptSecurityManager::GetCurrentJSContext()
{
// Get JSContext from stack.
return nsXPConnect::XPConnect()->GetCurrentJSContext();
}
JSContext *
nsScriptSecurityManager::GetSafeJSContext()
{
// Get JSContext from stack.
return nsXPConnect::XPConnect()->GetSafeJSContext();
}
/* static */
bool
nsScriptSecurityManager::SecurityCompareURIs(nsIURI* aSourceURI,
nsIURI* aTargetURI)
{
return NS_SecurityCompareURIs(aSourceURI, aTargetURI, sStrictFileOriginPolicy);
}
// SecurityHashURI is consistent with SecurityCompareURIs because NS_SecurityHashURI
// is consistent with NS_SecurityCompareURIs. See nsNetUtil.h.
uint32_t
nsScriptSecurityManager::SecurityHashURI(nsIURI* aURI)
{
return NS_SecurityHashURI(aURI);
}
uint16_t
nsScriptSecurityManager::AppStatusForPrincipal(nsIPrincipal *aPrin)
{
uint32_t appId = aPrin->GetAppId();
bool inMozBrowser = aPrin->GetIsInBrowserElement();
NS_WARN_IF_FALSE(appId != nsIScriptSecurityManager::UNKNOWN_APP_ID,
"Asking for app status on a principal with an unknown app id");
// Installed apps have a valid app id (not NO_APP_ID or UNKNOWN_APP_ID)
// and they are not inside a mozbrowser.
if (appId == nsIScriptSecurityManager::NO_APP_ID ||
appId == nsIScriptSecurityManager::UNKNOWN_APP_ID || inMozBrowser)
{
return nsIPrincipal::APP_STATUS_NOT_INSTALLED;
}
nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
NS_ENSURE_TRUE(appsService, nsIPrincipal::APP_STATUS_NOT_INSTALLED);
nsCOMPtr<mozIApplication> app;
appsService->GetAppByLocalId(appId, getter_AddRefs(app));
NS_ENSURE_TRUE(app, nsIPrincipal::APP_STATUS_NOT_INSTALLED);
uint16_t status = nsIPrincipal::APP_STATUS_INSTALLED;
NS_ENSURE_SUCCESS(app->GetAppStatus(&status),
nsIPrincipal::APP_STATUS_NOT_INSTALLED);
nsString appOrigin;
NS_ENSURE_SUCCESS(app->GetOrigin(appOrigin),
nsIPrincipal::APP_STATUS_NOT_INSTALLED);
nsCOMPtr<nsIURI> appURI;
NS_ENSURE_SUCCESS(NS_NewURI(getter_AddRefs(appURI), appOrigin),
nsIPrincipal::APP_STATUS_NOT_INSTALLED);
// The app could contain a cross-origin iframe - make sure that the content
// is actually same-origin with the app.
MOZ_ASSERT(inMozBrowser == false, "Checked this above");
PrincipalOriginAttributes attrs(appId, false);
nsCOMPtr<nsIPrincipal> appPrin = BasePrincipal::CreateCodebasePrincipal(appURI, attrs);
NS_ENSURE_TRUE(appPrin, nsIPrincipal::APP_STATUS_NOT_INSTALLED);
return aPrin->Equals(appPrin) ? status
: nsIPrincipal::APP_STATUS_NOT_INSTALLED;
}
/*
* GetChannelResultPrincipal will return the principal that the resource
* returned by this channel will use. For example, if the resource is in
* a sandbox, it will return the nullprincipal. If the resource is forced
* to inherit principal, it will return the principal of its parent. If
* the load doesn't require sandboxing or inheriting, it will return the same
* principal as GetChannelURIPrincipal. Namely the principal of the URI
* that is being loaded.
*/
NS_IMETHODIMP
nsScriptSecurityManager::GetChannelResultPrincipal(nsIChannel* aChannel,
nsIPrincipal** aPrincipal)
{
NS_PRECONDITION(aChannel, "Must have channel!");
nsCOMPtr<nsISupports> owner;
aChannel->GetOwner(getter_AddRefs(owner));
if (owner) {
CallQueryInterface(owner, aPrincipal);
if (*aPrincipal) {
return NS_OK;
}
}
// Check whether we have an nsILoadInfo that says what we should do.
nsCOMPtr<nsILoadInfo> loadInfo;
aChannel->GetLoadInfo(getter_AddRefs(loadInfo));
if (loadInfo) {
if (loadInfo->GetLoadingSandboxed()) {
RefPtr<nsNullPrincipal> prin =
nsNullPrincipal::CreateWithInheritedAttributes(loadInfo->LoadingPrincipal());
NS_ENSURE_TRUE(prin, NS_ERROR_FAILURE);
prin.forget(aPrincipal);
return NS_OK;
}
if (loadInfo->GetForceInheritPrincipal()) {
NS_ADDREF(*aPrincipal = loadInfo->TriggeringPrincipal());
return NS_OK;
}
nsSecurityFlags securityFlags = loadInfo->GetSecurityMode();
if (securityFlags == nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_INHERITS ||
securityFlags == nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS ||
securityFlags == nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS) {
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_GetFinalChannelURI(aChannel, getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> triggeringPrincipal = loadInfo->TriggeringPrincipal();
bool inheritForAboutBlank = loadInfo->GetAboutBlankInherits();
if (nsContentUtils::ChannelShouldInheritPrincipal(triggeringPrincipal,
uri,
inheritForAboutBlank,
false)) {
triggeringPrincipal.forget(aPrincipal);
return NS_OK;
}
}
}
return GetChannelURIPrincipal(aChannel, aPrincipal);
}
nsresult
nsScriptSecurityManager::MaybeSetAddonIdFromURI(PrincipalOriginAttributes& aAttrs, nsIURI* aURI)
{
nsAutoCString scheme;
nsresult rv = aURI->GetScheme(scheme);
NS_ENSURE_SUCCESS(rv, rv);
if (scheme.EqualsLiteral("moz-extension") && GetAddonPolicyService()) {
rv = GetAddonPolicyService()->ExtensionURIToAddonId(aURI, aAttrs.mAddonId);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
/* The principal of the URI that this channel is loading. This is never
* affected by things like sandboxed loads, or loads where we forcefully
* inherit the principal. Think of this as the principal of the server
* which this channel is loading from. Most callers should use
* GetChannelResultPrincipal instead of GetChannelURIPrincipal. Only
* call GetChannelURIPrincipal if you are sure that you want the
* principal that matches the uri, even in cases when the load is
* sandboxed or when the load could be a blob or data uri (i.e even when
* you encounter loads that may or may not be sandboxed and loads
* that may or may not inherit)."
*/
NS_IMETHODIMP
nsScriptSecurityManager::GetChannelURIPrincipal(nsIChannel* aChannel,
nsIPrincipal** aPrincipal)
{
NS_PRECONDITION(aChannel, "Must have channel!");
// Get the principal from the URI. Make sure this does the same thing
// as nsDocument::Reset and XULDocument::StartDocumentLoad.
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_GetFinalChannelURI(aChannel, getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsILoadContext> loadContext;
NS_QueryNotificationCallbacks(aChannel, loadContext);
if (loadContext) {
return GetLoadContextCodebasePrincipal(uri, loadContext, aPrincipal);
}
//TODO: Bug 1211590. inherit Origin Attributes from LoadInfo.
PrincipalOriginAttributes attrs(UNKNOWN_APP_ID, false);
rv = MaybeSetAddonIdFromURI(attrs, uri);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(uri, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::IsSystemPrincipal(nsIPrincipal* aPrincipal,
bool* aIsSystem)
{
*aIsSystem = (aPrincipal == mSystemPrincipal);
return NS_OK;
}
/////////////////////////////
// nsScriptSecurityManager //
/////////////////////////////
////////////////////////////////////
// Methods implementing ISupports //
////////////////////////////////////
NS_IMPL_ISUPPORTS(nsScriptSecurityManager,
nsIScriptSecurityManager,
nsIObserver)
///////////////////////////////////////////////////
// Methods implementing nsIScriptSecurityManager //
///////////////////////////////////////////////////
///////////////// Security Checks /////////////////
bool
nsScriptSecurityManager::ContentSecurityPolicyPermitsJSAction(JSContext *cx)
{
MOZ_ASSERT(cx == nsContentUtils::GetCurrentJSContext());
nsCOMPtr<nsIPrincipal> subjectPrincipal = nsContentUtils::SubjectPrincipal();
nsCOMPtr<nsIContentSecurityPolicy> csp;
nsresult rv = subjectPrincipal->GetCsp(getter_AddRefs(csp));
NS_ASSERTION(NS_SUCCEEDED(rv), "CSP: Failed to get CSP from principal.");
// don't do anything unless there's a CSP
if (!csp)
return true;
bool evalOK = true;
bool reportViolation = false;
rv = csp->GetAllowsEval(&reportViolation, &evalOK);
if (NS_FAILED(rv))
{
NS_WARNING("CSP: failed to get allowsEval");
return true; // fail open to not break sites.
}
if (reportViolation) {
nsAutoString fileName;
unsigned lineNum = 0;
NS_NAMED_LITERAL_STRING(scriptSample, "call to eval() or related function blocked by CSP");
JS::AutoFilename scriptFilename;
if (JS::DescribeScriptedCaller(cx, &scriptFilename, &lineNum)) {
if (const char *file = scriptFilename.get()) {
CopyUTF8toUTF16(nsDependentCString(file), fileName);
}
}
csp->LogViolationDetails(nsIContentSecurityPolicy::VIOLATION_TYPE_EVAL,
fileName,
scriptSample,
lineNum,
EmptyString(),
EmptyString());
}
return evalOK;
}
// static
bool
nsScriptSecurityManager::JSPrincipalsSubsume(JSPrincipals *first,
JSPrincipals *second)
{
return nsJSPrincipals::get(first)->Subsumes(nsJSPrincipals::get(second));
}
NS_IMETHODIMP
nsScriptSecurityManager::CheckSameOriginURI(nsIURI* aSourceURI,
nsIURI* aTargetURI,
bool reportError)
{
if (!SecurityCompareURIs(aSourceURI, aTargetURI))
{
if (reportError) {
ReportError(nullptr, NS_LITERAL_STRING("CheckSameOriginError"),
aSourceURI, aTargetURI);
}
return NS_ERROR_DOM_BAD_URI;
}
return NS_OK;
}
/*static*/ uint32_t
nsScriptSecurityManager::HashPrincipalByOrigin(nsIPrincipal* aPrincipal)
{
nsCOMPtr<nsIURI> uri;
aPrincipal->GetDomain(getter_AddRefs(uri));
if (!uri)
aPrincipal->GetURI(getter_AddRefs(uri));
return SecurityHashURI(uri);
}
NS_IMETHODIMP
nsScriptSecurityManager::CheckLoadURIFromScript(JSContext *cx, nsIURI *aURI)
{
// Get principal of currently executing script.
MOZ_ASSERT(cx == nsContentUtils::GetCurrentJSContext());
nsIPrincipal* principal = nsContentUtils::SubjectPrincipal();
nsresult rv = CheckLoadURIWithPrincipal(principal, aURI,
nsIScriptSecurityManager::STANDARD);
if (NS_SUCCEEDED(rv)) {
// OK to load
return NS_OK;
}
// See if we're attempting to load a file: URI. If so, let a
// UniversalXPConnect capability trump the above check.
bool isFile = false;
bool isRes = false;
if (NS_FAILED(aURI->SchemeIs("file", &isFile)) ||
NS_FAILED(aURI->SchemeIs("resource", &isRes)))
return NS_ERROR_FAILURE;
if (isFile || isRes)
{
if (nsContentUtils::IsCallerChrome())
return NS_OK;
}
// Report error.
nsAutoCString spec;
if (NS_FAILED(aURI->GetAsciiSpec(spec)))
return NS_ERROR_FAILURE;
nsAutoCString msg("Access to '");
msg.Append(spec);
msg.AppendLiteral("' from script denied");
SetPendingException(cx, msg.get());
return NS_ERROR_DOM_BAD_URI;
}
/**
* Helper method to handle cases where a flag passed to
* CheckLoadURIWithPrincipal means denying loading if the given URI has certain
* nsIProtocolHandler flags set.
* @return if success, access is allowed. Otherwise, deny access
*/
static nsresult
DenyAccessIfURIHasFlags(nsIURI* aURI, uint32_t aURIFlags)
{
NS_PRECONDITION(aURI, "Must have URI!");
bool uriHasFlags;
nsresult rv =
NS_URIChainHasFlags(aURI, aURIFlags, &uriHasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (uriHasFlags) {
return NS_ERROR_DOM_BAD_URI;
}
return NS_OK;
}
static bool
EqualOrSubdomain(nsIURI* aProbeArg, nsIURI* aBase)
{
// Make a clone of the incoming URI, because we're going to mutate it.
nsCOMPtr<nsIURI> probe;
nsresult rv = aProbeArg->Clone(getter_AddRefs(probe));
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIEffectiveTLDService> tldService = do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID);
NS_ENSURE_TRUE(tldService, false);
while (true) {
if (nsScriptSecurityManager::SecurityCompareURIs(probe, aBase)) {
return true;
}
nsAutoCString host, newHost;
nsresult rv = probe->GetHost(host);
NS_ENSURE_SUCCESS(rv, false);
rv = tldService->GetNextSubDomain(host, newHost);
if (rv == NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS) {
return false;
}
NS_ENSURE_SUCCESS(rv, false);
rv = probe->SetHost(newHost);
NS_ENSURE_SUCCESS(rv, false);
}
}
NS_IMETHODIMP
nsScriptSecurityManager::CheckLoadURIWithPrincipal(nsIPrincipal* aPrincipal,
nsIURI *aTargetURI,
uint32_t aFlags)
{
NS_PRECONDITION(aPrincipal, "CheckLoadURIWithPrincipal must have a principal");
// If someone passes a flag that we don't understand, we should
// fail, because they may need a security check that we don't
// provide.
NS_ENSURE_FALSE(aFlags & ~(nsIScriptSecurityManager::LOAD_IS_AUTOMATIC_DOCUMENT_REPLACEMENT |
nsIScriptSecurityManager::ALLOW_CHROME |
nsIScriptSecurityManager::DISALLOW_SCRIPT |
nsIScriptSecurityManager::DISALLOW_INHERIT_PRINCIPAL |
nsIScriptSecurityManager::DONT_REPORT_ERRORS),
NS_ERROR_UNEXPECTED);
NS_ENSURE_ARG_POINTER(aPrincipal);
NS_ENSURE_ARG_POINTER(aTargetURI);
// If DISALLOW_INHERIT_PRINCIPAL is set, we prevent loading of URIs which
// would do such inheriting. That would be URIs that do not have their own
// security context. We do this even for the system principal.
if (aFlags & nsIScriptSecurityManager::DISALLOW_INHERIT_PRINCIPAL) {
nsresult rv =
DenyAccessIfURIHasFlags(aTargetURI,
nsIProtocolHandler::URI_INHERITS_SECURITY_CONTEXT);
NS_ENSURE_SUCCESS(rv, rv);
}
if (aPrincipal == mSystemPrincipal) {
// Allow access
return NS_OK;
}
nsCOMPtr<nsIURI> sourceURI;
aPrincipal->GetURI(getter_AddRefs(sourceURI));
if (!sourceURI) {
nsCOMPtr<nsIExpandedPrincipal> expanded = do_QueryInterface(aPrincipal);
if (expanded) {
nsTArray< nsCOMPtr<nsIPrincipal> > *whiteList;
expanded->GetWhiteList(&whiteList);
for (uint32_t i = 0; i < whiteList->Length(); ++i) {
nsresult rv = CheckLoadURIWithPrincipal((*whiteList)[i],
aTargetURI,
aFlags);
if (NS_SUCCEEDED(rv)) {
// Allow access if it succeeded with one of the white listed principals
return NS_OK;
}
}
// None of our whitelisted principals worked.
return NS_ERROR_DOM_BAD_URI;
}
NS_ERROR("Non-system principals or expanded principal passed to CheckLoadURIWithPrincipal "
"must have a URI!");
return NS_ERROR_UNEXPECTED;
}
// Automatic loads are not allowed from certain protocols.
if (aFlags & nsIScriptSecurityManager::LOAD_IS_AUTOMATIC_DOCUMENT_REPLACEMENT) {
nsresult rv =
DenyAccessIfURIHasFlags(sourceURI,
nsIProtocolHandler::URI_FORBIDS_AUTOMATIC_DOCUMENT_REPLACEMENT);
NS_ENSURE_SUCCESS(rv, rv);
}
// If either URI is a nested URI, get the base URI
nsCOMPtr<nsIURI> sourceBaseURI = NS_GetInnermostURI(sourceURI);
nsCOMPtr<nsIURI> targetBaseURI = NS_GetInnermostURI(aTargetURI);
//-- get the target scheme
nsAutoCString targetScheme;
nsresult rv = targetBaseURI->GetScheme(targetScheme);
if (NS_FAILED(rv)) return rv;
//-- Some callers do not allow loading javascript:
if ((aFlags & nsIScriptSecurityManager::DISALLOW_SCRIPT) &&
targetScheme.EqualsLiteral("javascript"))
{
return NS_ERROR_DOM_BAD_URI;
}
// See TenFourFox issue 607
// determine if this is a script we want to block
// Scripts that somehow hit hard limits should go in here
if (!mIsTenFourFoxTroublesomeJsAllowed &&
(targetScheme.EqualsLiteral("http") || targetScheme.EqualsLiteral("https"))) {
nsAutoCString hostname, url;
if (MOZ_LIKELY(NS_SUCCEEDED(targetBaseURI->GetHost(hostname)) &&
NS_SUCCEEDED(targetBaseURI->GetAsciiSpec(url)))) {
ToLowerCase(hostname);
#define BLOC(q) hostname.EqualsLiteral(q)
#define BLOCU(q) url.EqualsLiteral(q)
#define BLOCE(q) (StringEndsWith(url, NS_LITERAL_CSTRING(q)))
if (0 ||
#ifdef __ppc__
// wallpapers for issue 621
BLOC("static-exp1.licdn.com") ||
(
BLOC("communities.apple.com") &&
BLOCE("/public/scripts/tldr/index.js")
) ||
#endif // __ppc__
0) {
#undef BLOC
#undef BLOCU
#undef BLOCE
#ifndef DEBUG
if (mIsTenFourFoxTroublesomeJsLoggingEnabled)
#endif
fprintf(stderr, "Warning: TenFourFox blocking problematic script from %s.\n",
hostname.get());
return NS_ERROR_DOM_BAD_URI;
}
}
}
// TenFourFox issue 469
// determine if this is a script we want to block
if (mIsTenFourFoxAdBlockEnabled &&
(targetScheme.EqualsLiteral("http") || targetScheme.EqualsLiteral("https"))) {
nsAutoCString hostname;
if (MOZ_LIKELY(NS_SUCCEEDED(targetBaseURI->GetHost(hostname)))) {
ToLowerCase(hostname);
#define BLOK(q) hostname.EqualsLiteral(q)
if (0 ||
// This is used as a data source by a lot of UIs,
// so we shouldn't block it (e.g., nytimes).
// Probably also shouldn't block googletagmanager.com
// for the same reasons.
//BLOK("www.googletagservices.com") ||
// blocking zdbb.net seems to be problematic
// https://github.com/AdguardTeam/AdguardFilters/issues/1278
// this may also be true for adziff.com
// don't block kxcdn
// https://github.com/EFForg/privacybadger/issues/1381
// miners
BLOK("coinhive.com") ||
BLOK("www.freecontent.stream") ||
BLOK("www.freecontent.stream.") ||
BLOK("allfontshere.press") || // caused crashes on VCF
BLOK("www.allfontshere.press") ||
// other obnoxious things
BLOK("c.amazon-adsystem.com") ||
BLOK("google-analytics.com") ||
BLOK("www.google-analytics.com") ||
BLOK("ssl.google-analytics.com") ||
BLOK("tpc.googlesyndication.com") ||
BLOK("pagead.googlesyndication.com") ||
BLOK("pagead2.googlesyndication.com") ||
BLOK("adservice.google.com") ||
BLOK("www.googleadservices.com") ||
BLOK("adrta.com") ||
BLOK("p.adrta.com") ||
BLOK("q.adrta.com") ||
BLOK("cdn.adrta.com") ||
BLOK("ipv6.adrta.com") ||
BLOK("ib.adnxs.com") ||
BLOK("cdn.adnxs.com") ||
BLOK("acdn.adnxs.com") ||
BLOK("prebid.adnxs.com") ||
BLOK("secure.adnxs.com") ||
BLOK("yj-a.p.adnxs.com") ||
BLOK("nym1-ib.adnxs.com") ||
BLOK("sharethrough.adnxs.com") ||
BLOK("c2.taboola.com") ||
BLOK("nr.taboola.com") ||
BLOK("cdn.taboola.com") ||
BLOK("trc.taboola.com") ||
BLOK("b.scorecardresearch.com") ||
BLOK("sb.scorecardresearch.com") ||
BLOK("ad.doubleclick.net") ||
BLOK("cm.g.doubleclick.net") ||
BLOK("static.doubleclick.net") ||
BLOK("stats.g.doubleclick.net") ||
BLOK("pubads.g.doubleclick.net") ||
BLOK("googleads.g.doubleclick.net") ||
BLOK("securepubads.g.doubleclick.net") ||
BLOK("at.atwola.com") ||
BLOK("dtm.advertising.com") ||
BLOK("pixel.advertising.com") ||
BLOK("adserver-us.adtech.advertising.com") ||
BLOK("ads.yap.yahoo.com") ||
BLOK("o.analytics.yahoo.com") ||
BLOK("sp.analytics.yahoo.com") ||
BLOK("opus.analytics.yahoo.com") ||
BLOK("cdn.gotraffic.net") ||
BLOK("cdn.rta247.com") ||
BLOK("widget.perfectmarket.com") ||
BLOK("cdn.doubleverify.com") ||
BLOK("rtb0.doubleverify.com") ||
BLOK("rtbcdn.doubleverify.com") ||
BLOK("cdn.flashtalking.com") ||
BLOK("servedby.flashtalking.com") ||
BLOK("a.postrelease.com") ||
BLOK("jadserve.postrelease.com") ||
BLOK("native.sharethrough.com") ||
BLOK("static.chartbeat.com") ||
BLOK("edge.quantserve.com") ||
BLOK("secure.quantserve.com") ||
BLOK("rules.quantcount.com") ||
BLOK("api.viglink.com") ||
BLOK("cdn.viglink.com") ||
BLOK("xcp.go.sonobi.com") ||
BLOK("apex.go.sonobi.com") ||
BLOK("mtrx.go.sonobi.com") ||
BLOK("s.ntv.io") ||
BLOK("cdn.segment.com") ||
BLOK("cdn-gl.imrworldwide.com") ||
BLOK("secure-us.imrworldwide.com") ||
BLOK("secure-dcr.imrworldwide.com") ||
BLOK("secure-drm.imrworldwide.com") ||
BLOK("labs-cdn.revcontent.com") ||
BLOK("trends.revcontent.com") ||
BLOK("cdn.revcontent.com") ||
BLOK("cas.criteo.com") ||
BLOK("rtax.criteo.com") ||
BLOK("bidder.criteo.com") ||
BLOK("static.criteo.net") ||
BLOK("jsc.idealmedia.com") ||
BLOK("servicer.idealmedia.com") ||
BLOK("js-agent.newrelic.com") ||
BLOK("bam.nr-data.net") ||
BLOK("widgets.outbrain.com") ||
BLOK("amplify.outbrain.com") ||
BLOK("cdn.krxd.net") ||
BLOK("beacon.krxd.net") ||
BLOK("scdn.cxense.com") ||
BLOK("rscdn.cxense.com") ||
BLOK("z.moatads.com") ||
BLOK("js.moatads.com") ||
BLOK("s-jsonp.moatads.com") ||
BLOK("static.yieldmo.com") ||
BLOK("ads.rubiconproject.com") ||
BLOK("eus.rubiconproject.com") ||
BLOK("fastlane.rubiconproject.com") ||
BLOK("optimized-by.rubiconproject.com") ||
BLOK("cdn.engine.4dsply.com") ||
BLOK("as.casalemedia.com") ||
BLOK("as-sec.casalemedia.com") ||
BLOK("loadm.exelator.com") ||
BLOK("loadus.exelator.com") ||
BLOK("sdk.streamrail.com") ||
BLOK("cdn.lockerdome.com") ||
BLOK("cdn2.lockerdome.com") ||
BLOK("pi.pardot.com") ||
BLOK("js-sec.indexww.com") ||
BLOK("tags.tiqcdn.com") ||
BLOK("tag.bounceexchange.com") ||
BLOK("api.bounceexchange.com") ||
BLOK("www.npttech.com") ||
BLOK("fw.adsafeprotected.com") ||
BLOK("cdn.adsafeprotected.com") ||
BLOK("pixel.adsafeprotected.com") ||
BLOK("static.adsafeprotected.com") ||
BLOK("aka-cdn.adtechus.com") ||
BLOK("adserver.adtechus.com") ||
BLOK("r.skimresources.com") ||
BLOK("s.skimresources.com") ||
BLOK("t.skimresources.com") ||
BLOK("contextual.media.net") ||
BLOK("edge.simplereach.com") ||
BLOK("js.adsrvr.org") ||
BLOK("match.adsrvr.org") ||
BLOK("script.crazyegg.com") ||
BLOK("launch.newsinc.com") ||
BLOK("c.go-mpulse.net") ||
BLOK("cdn5.userzoom.com") ||
BLOK("dx.steelhousemedia.com") ||
BLOK("px.steelhousemedia.com") ||
BLOK("ww.steelhousemedia.com") ||
BLOK("nexus.ensighten.com") ||
BLOK("cdn.mediavoice.com") ||
BLOK("plugin.mediavoice.com") ||
BLOK("api-us-east.zqtk.net") ||
BLOK("segment-data.zqtk.net") ||
BLOK("d.turn.com") ||
BLOK("ad.turn.com") ||
BLOK("i.yldbt.com") ||
BLOK("cdn.yldbt.com") ||
BLOK("pippio.com") ||
BLOK("cdn.quantummetric.com") ||
BLOK("cdn.blueconic.net") ||
BLOK("www.zergnet.com") ||
BLOK("f.monetate.net") ||
BLOK("sb.monetate.net") ||
BLOK("se.monetate.net") ||
BLOK("ad.crwdcntrl.net") ||
BLOK("bcp.crwdcntrl.net") ||
BLOK("tags.crwdcntrl.net") ||
BLOK("cdn.nsstatic.net") ||
BLOK("www.bkrtx.com") ||
BLOK("tags.bkrtx.com") ||
BLOK("yads.c.yimg.jp") ||
BLOK("yjtag.yahoo.co.jp") ||
BLOK("yads.yjtag.yahoo.co.jp") ||
BLOK("px-ya.ladsp.com") ||
BLOK("stats.cloudwp.io") ||
BLOK("ap.lijit.com") ||
BLOK("ce.lijit.com") ||
BLOK("tlx.3lift.com") ||
BLOK("v.lkqd.net") ||
BLOK("ad.lkqd.net") ||
BLOK("vpaid.springserve.com") ||
BLOK("vd.ads.memevideoad.com") ||
BLOK("sp.ads.memevideoad.com") ||
BLOK("static.adsnative.com") ||
BLOK("cm.mgid.com") ||
BLOK("jsc.mgid.com") ||
BLOK("servicer.mgid.com") ||
BLOK("cdn.engine.addroplet.com") ||
BLOK("de.tynt.com") ||
BLOK("sc.tynt.com") ||
BLOK("cdn.tynt.com") ||
BLOK("bid.underdog.media") ||
BLOK("cdn.fastclick.net") ||
BLOK("media.fastclick.net") ||
BLOK("udmserve.net") ||
BLOK("sic.33across.com") ||
BLOK("cdn-sic.33across.com") ||
BLOK("d.adroll.com") ||
BLOK("s.adroll.com") ||
BLOK("c.betrad.com") ||
BLOK("fqtag.com") ||
BLOK("c.fqtag.com") ||
BLOK("new.fqtag.com") ||
BLOK("tag.1rx.io") ||
BLOK("a-nj.1rx.io") ||
BLOK("rxcdn.1rx.io") ||
BLOK("c.evidon.com") ||
BLOK("api.content-ad.net") ||
BLOK("cdn.distiltag.com") ||
BLOK("my.hellobar.com") ||
BLOK("static.hotjar.com") ||
BLOK("script.hotjar.com") ||
BLOK("tags.mathtag.com") ||
BLOK("pixel.mathtag.com") ||
BLOK("a.teads.tv") ||
BLOK("cdn.teads.tv") ||
BLOK("cdata.carambo.la") ||
BLOK("route.carambo.la") ||
// Avoid blocking specific tags
BLOK("u.openx.net") ||
BLOK("rtb.openx.net") ||
BLOK("us-u.openx.net") ||
BLOK("uk-ads.openx.net") ||
BLOK("us-ads.openx.net") ||
BLOK("s-static.innovid.com") ||
BLOK("ustatik.com") ||
BLOK("cdn.ustatik.com") ||
BLOK("adx.adform.net") ||
BLOK("s.spoutable.com") ||
BLOK("cdn.spoutable.com") ||
BLOK("ads.pubmatic.com") ||
BLOK("track.netshelter.net") ||
BLOK("t.neodatagroup.com") ||
BLOK("ads.servebom.com") ||
BLOK("a.mailmunch.co") ||
BLOK("ads.adthrive.com") ||
BLOK("js.agkn.com") ||
BLOK("htl.bid") ||
BLOK("rtb.districtm.io") ||
BLOK("prebid.districtm.ca") ||
BLOK("speednetwork14.adk2.co") ||
BLOK("speednetwork14.adk2x.com") ||
BLOK("deloton.com") ||
BLOK("clickiocdn.com") ||
BLOK("clickioadve.com") ||
BLOK("cti.w55c.net") ||
BLOK("cdn.w55c.net") ||
BLOK("mobpushup.com") ||
BLOK("sc.iasds01.com") ||
BLOK("cdn.optimizely.com") ||
BLOK("cdn3.optimizely.com") ||
BLOK("p.d.emn0.com") ||
BLOK("p.w.emn0.com") ||
BLOK("api.b2c.com") ||
BLOK("bounceexchange.com") ||
BLOK("bullseye.backbeatmedia.com") ||
BLOK("adserver1.backbeatmedia.com") ||
BLOK("live.sekindo.com") ||
BLOK("cdn.spotxcdn.com") ||
BLOK("api.addmee.net") ||
BLOK("spl.zeotap.com") ||
BLOK("cubchannel.com") ||
BLOK("a.intentmedia.net") ||
BLOK("a.cdn.intentmedia.net") ||
BLOK("ads.pictela.net") ||
BLOK("secure-ads.pictela.net") ||
BLOK("bid.contextweb.com") ||
BLOK("tag.contextweb.com") ||
BLOK("p.cpx.to") ||
BLOK("s.cpx.to") ||
BLOK("ardrone.swoop.com") ||
BLOK("www.swpsvc.com") ||
BLOK("client-deploy.swpcld.com") ||
BLOK("id.rlcdn.com") ||
BLOK("tags.bluekai.com") ||
BLOK("stags.bluekai.com") ||
BLOK("js.gumgum.com") ||
BLOK("cdn.digitru.st") ||
BLOK("prebid.digitru.st") ||
BLOK("collector.cint.com") ||
BLOK("dpm.demdex.net") ||
BLOK("nbcu.demdex.net") ||
BLOK("www.uciservice.com") ||
BLOK("f.cdn-net.com") ||
BLOK("uk.cdn-net.com") ||
BLOK("six.cdn-net.com") ||
BLOK("www.cdn-net.com") ||
BLOK("bob.dmpxs.com") ||
BLOK("api.traq.li") ||
BLOK("s.zkcdn.net") ||
BLOK("s1.listrakbi.com") ||
BLOK("at1.listrakbi.com") ||
BLOK("cdn.listrakbi.com") ||
BLOK("onescript-recscont.listrakbi.com") ||
BLOK("js.matheranalytics.com") ||
BLOK("secure-cdn.mplxtms.com") ||
BLOK("usadmm.dotomi.com") ||
BLOK("p.d.1emn.com") ||
BLOK("p.w.1emn.com") ||
BLOK("ak.sail-horizon.com") ||
BLOK("api.sail-personalize.com") ||
BLOK("st.dynamicyield.com") ||
BLOK("px.dynamicyield.com") ||
BLOK("nervoussummer.com") ||
BLOK("usasync01.admantx.com") ||
BLOK("synchrobox.adswizz.com") ||
BLOK("delivery-cdn-cf.adswizz.com") ||
BLOK("router.infolinks.com") ||
BLOK("rps-uk.rockpapershotgun.com") || // XXX?
BLOK("buy.tinypass.com") ||
BLOK("cdn.tinypass.com") ||
BLOK("experience.tinypass.com") ||
BLOK("www.medtargetsystem.com") ||
BLOK("a.ad.gt") ||
BLOK("p.ad.gt") ||
BLOK("api.permutive.com") ||
BLOK("cdn.permutive.com") ||
BLOK("cdn.concert.io") ||
BLOK("e.serverbid.com") ||
BLOK("serverbid-sync.nyc3.cdn.digitaloceanspaces.com") ||
BLOK("ml314.com") ||
BLOK("ads.pro-market.net") ||
BLOK("tag.crsspxl.com") ||
BLOK("a.pub.network") ||
BLOK("a.publir.com") ||
BLOK("eb.proper.io") ||
BLOK("s2s.proper.io") ||
BLOK("bids.proper.io") ||
BLOK("events.proper.io") ||
BLOK("global.proper.io") ||
BLOK("propermedia-d.openx.net") ||
BLOK("stat.media") ||
BLOK("c.jsrdn.com") ||
BLOK("s.jsrdn.com") ||
BLOK("hb.emxdgt.com") ||
BLOK("lockerdome.com") ||
BLOK("get.s-onetag.com") ||
BLOK("beacon.s-onetag.com") ||
BLOK("cdn.boomtrain.com") ||
BLOK("w.usabilla.com") ||
BLOK("beacon.sojern.com") ||
BLOK("s3.buysellads.com") ||
BLOK("srv.buysellads.com") ||
BLOK("ads.intentiq.com") ||
BLOK("tag.durationmedia.net") ||
BLOK("www.datadoghq-browser-agent.com") ||
BLOK("ext.chtbl.com") ||
#include "shavar-blocklist.h"
0) {
#undef BLOK
// Yup.
#ifndef DEBUG
if (mIsTenFourFoxAdBlockLoggingEnabled)
#endif
fprintf(stderr, "Warning: TenFourFox basic adblock intercepted script from %s.\n",
hostname.get());
return NS_ERROR_DOM_BAD_URI;
}
}
}
NS_NAMED_LITERAL_STRING(errorTag, "CheckLoadURIError");
bool reportErrors = !(aFlags & nsIScriptSecurityManager::DONT_REPORT_ERRORS);
// Check for uris that are only loadable by principals that subsume them
bool hasFlags;
rv = NS_URIChainHasFlags(targetBaseURI,
nsIProtocolHandler::URI_LOADABLE_BY_SUBSUMERS,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) {
return aPrincipal->CheckMayLoad(targetBaseURI, true, false);
}
//-- get the source scheme
nsAutoCString sourceScheme;
rv = sourceBaseURI->GetScheme(sourceScheme);
if (NS_FAILED(rv)) return rv;
if (sourceScheme.LowerCaseEqualsLiteral(NS_NULLPRINCIPAL_SCHEME)) {
// A null principal can target its own URI.
if (sourceURI == aTargetURI) {
return NS_OK;
}
}
else if (targetScheme.Equals(sourceScheme,
nsCaseInsensitiveCStringComparator()))
{
// every scheme can access another URI from the same scheme,
// as long as they don't represent null principals...
// Or they don't require an special permission to do so
// See bug#773886
bool hasFlags;
rv = NS_URIChainHasFlags(targetBaseURI,
nsIProtocolHandler::URI_CROSS_ORIGIN_NEEDS_WEBAPPS_PERM,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) {
#if(0) // no B2G
// Let apps load the whitelisted theme resources even if they don't
// have the webapps-manage permission but have the themeable one.
// Resources from the theme origin are also allowed to load from
// the theme origin (eg. stylesheets using images from the theme).
auto themeOrigin = Preferences::GetCString("b2g.theme.origin");
if (themeOrigin) {
nsAutoCString targetOrigin;
nsPrincipal::GetOriginForURI(targetBaseURI, targetOrigin);
if (targetOrigin.Equals(themeOrigin)) {
nsAutoCString pOrigin;
aPrincipal->GetOrigin(pOrigin);
return nsContentUtils::IsExactSitePermAllow(aPrincipal, "themeable") ||
pOrigin.Equals(themeOrigin)
? NS_OK : NS_ERROR_DOM_BAD_URI;
}
}
#endif
// In this case, we allow opening only if the source and target URIS
// are on the same domain, or the opening URI has the webapps
// permision granted
if (!SecurityCompareURIs(sourceBaseURI, targetBaseURI) &&
!nsContentUtils::IsExactSitePermAllow(aPrincipal, WEBAPPS_PERM_NAME)) {
return NS_ERROR_DOM_BAD_URI;
}
}
return NS_OK;
} else if ((!sourceScheme.LowerCaseEqualsLiteral("http") &&
!sourceScheme.LowerCaseEqualsLiteral("https")) &&
targetScheme.LowerCaseEqualsLiteral("moz-icon")) {
// Don't expose moz-icon:// to the web, but it's okay for things
// like file:// and ftp://.
return NS_OK;
}
// If the schemes don't match, the policy is specified by the protocol
// flags on the target URI. Note that the order of policy checks here is
// very important! We start from most restrictive and work our way down.
// Note that since we're working with the innermost URI, we can just use
// the methods that work on chains of nested URIs and they will only look
// at the flags for our one URI.
// Check for system target URI
rv = DenyAccessIfURIHasFlags(targetBaseURI,
nsIProtocolHandler::URI_DANGEROUS_TO_LOAD);
if (NS_FAILED(rv)) {
// Deny access, since the origin principal is not system
if (reportErrors) {
ReportError(nullptr, errorTag, sourceURI, aTargetURI);
}
return rv;
}
// Check for chrome target URI
rv = NS_URIChainHasFlags(targetBaseURI,
nsIProtocolHandler::URI_IS_UI_RESOURCE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) {
if (aFlags & nsIScriptSecurityManager::ALLOW_CHROME) {
// For now, don't change behavior for resource:// and
// just allow it. This is required for extensions that inject
// internal resources into pages such as custom controls.
if (!targetScheme.EqualsLiteral("chrome") &&
!targetScheme.EqualsLiteral("moz-icon")) {
return NS_OK;
}
// Allow a URI_IS_UI_RESOURCE source to link to a URI_IS_UI_RESOURCE
// target if ALLOW_CHROME is set.
//
// ALLOW_CHROME is a flag that we pass on all loads _except_ docshell
// loads (since docshell loads run the loaded content with its origin
// principal). So we're effectively allowing resource://, chrome://,
// and moz-icon:// source URIs to load resource://, chrome://, and
// moz-icon:// files, so long as they're not loading it as a document.
bool sourceIsUIResource;
rv = NS_URIChainHasFlags(sourceBaseURI,
nsIProtocolHandler::URI_IS_UI_RESOURCE,
&sourceIsUIResource);
NS_ENSURE_SUCCESS(rv, rv);
if (sourceIsUIResource) {
return NS_OK;
}
// Allow the load only if the chrome package is whitelisted.
nsCOMPtr<nsIXULChromeRegistry> reg(do_GetService(
NS_CHROMEREGISTRY_CONTRACTID));
if (reg) {
bool accessAllowed = false;
reg->AllowContentToAccess(targetBaseURI, &accessAllowed);
if (accessAllowed) {
return NS_OK;
}
}
}
// Special-case the hidden window: it's allowed to load
// URI_IS_UI_RESOURCE no matter what. Bug 1145470 tracks removing this.
nsAutoCString sourceSpec;
if (NS_SUCCEEDED(sourceBaseURI->GetSpec(sourceSpec)) &&
sourceSpec.EqualsLiteral("resource://gre-resources/hiddenWindow.html")) {
return NS_OK;
}
if (reportErrors) {
ReportError(nullptr, errorTag, sourceURI, aTargetURI);
}
return NS_ERROR_DOM_BAD_URI;
}
// Check for target URI pointing to a file
rv = NS_URIChainHasFlags(targetBaseURI,
nsIProtocolHandler::URI_IS_LOCAL_FILE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) {
// Allow domains that were whitelisted in the prefs. In 99.9% of cases,
// this array is empty.
for (size_t i = 0; i < mFileURIWhitelist.Length(); ++i) {
if (EqualOrSubdomain(sourceURI, mFileURIWhitelist[i])) {
return NS_OK;
}
}
// Allow chrome://
if (sourceScheme.EqualsLiteral("chrome")) {
return NS_OK;
}
// Nothing else.
if (reportErrors) {
ReportError(nullptr, errorTag, sourceURI, aTargetURI);
}
return NS_ERROR_DOM_BAD_URI;
}
// OK, everyone is allowed to load this, since unflagged handlers are
// deprecated but treated as URI_LOADABLE_BY_ANYONE. But check whether we
// need to warn. At some point we'll want to make this warning into an
// error and treat unflagged handlers as URI_DANGEROUS_TO_LOAD.
rv = NS_URIChainHasFlags(targetBaseURI,
nsIProtocolHandler::URI_LOADABLE_BY_ANYONE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (!hasFlags) {
nsXPIDLString message;
NS_ConvertASCIItoUTF16 ucsTargetScheme(targetScheme);
const char16_t* formatStrings[] = { ucsTargetScheme.get() };
rv = sStrBundle->
FormatStringFromName(MOZ_UTF16("ProtocolFlagError"),
formatStrings,
ArrayLength(formatStrings),
getter_Copies(message));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIConsoleService> console(
do_GetService("@mozilla.org/consoleservice;1"));
NS_ENSURE_TRUE(console, NS_ERROR_FAILURE);
console->LogStringMessage(message.get());
}
}
return NS_OK;
}
nsresult
nsScriptSecurityManager::ReportError(JSContext* cx, const nsAString& messageTag,
nsIURI* aSource, nsIURI* aTarget)
{
nsresult rv;
NS_ENSURE_TRUE(aSource && aTarget, NS_ERROR_NULL_POINTER);
// Get the source URL spec
nsAutoCString sourceSpec;
rv = aSource->GetAsciiSpec(sourceSpec);
NS_ENSURE_SUCCESS(rv, rv);
// Get the target URL spec
nsAutoCString targetSpec;
rv = aTarget->GetAsciiSpec(targetSpec);
NS_ENSURE_SUCCESS(rv, rv);
// Localize the error message
nsXPIDLString message;
NS_ConvertASCIItoUTF16 ucsSourceSpec(sourceSpec);
NS_ConvertASCIItoUTF16 ucsTargetSpec(targetSpec);
const char16_t *formatStrings[] = { ucsSourceSpec.get(), ucsTargetSpec.get() };
rv = sStrBundle->FormatStringFromName(PromiseFlatString(messageTag).get(),
formatStrings,
ArrayLength(formatStrings),
getter_Copies(message));
NS_ENSURE_SUCCESS(rv, rv);
// If a JS context was passed in, set a JS exception.
// Otherwise, print the error message directly to the JS console
// and to standard output
if (cx)
{
SetPendingException(cx, message.get());
}
else // Print directly to the console
{
nsCOMPtr<nsIConsoleService> console(
do_GetService("@mozilla.org/consoleservice;1"));
NS_ENSURE_TRUE(console, NS_ERROR_FAILURE);
console->LogStringMessage(message.get());
}
return NS_OK;
}
NS_IMETHODIMP
nsScriptSecurityManager::CheckLoadURIStrWithPrincipal(nsIPrincipal* aPrincipal,
const nsACString& aTargetURIStr,
uint32_t aFlags)
{
nsresult rv;
nsCOMPtr<nsIURI> target;
rv = NS_NewURI(getter_AddRefs(target), aTargetURIStr,
nullptr, nullptr, sIOService);
NS_ENSURE_SUCCESS(rv, rv);
rv = CheckLoadURIWithPrincipal(aPrincipal, target, aFlags);
if (rv == NS_ERROR_DOM_BAD_URI) {
// Don't warn because NS_ERROR_DOM_BAD_URI is one of the expected
// return values.
return rv;
}
NS_ENSURE_SUCCESS(rv, rv);
// Now start testing fixup -- since aTargetURIStr is a string, not
// an nsIURI, we may well end up fixing it up before loading.
// Note: This needs to stay in sync with the nsIURIFixup api.
nsCOMPtr<nsIURIFixup> fixup = do_GetService(NS_URIFIXUP_CONTRACTID);
if (!fixup) {
return rv;
}
uint32_t flags[] = {
nsIURIFixup::FIXUP_FLAG_NONE,
nsIURIFixup::FIXUP_FLAG_FIX_SCHEME_TYPOS,
nsIURIFixup::FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP,
nsIURIFixup::FIXUP_FLAGS_MAKE_ALTERNATE_URI,
nsIURIFixup::FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP |
nsIURIFixup::FIXUP_FLAGS_MAKE_ALTERNATE_URI
};
for (uint32_t i = 0; i < ArrayLength(flags); ++i) {
rv = fixup->CreateFixupURI(aTargetURIStr, flags[i], nullptr,
getter_AddRefs(target));
NS_ENSURE_SUCCESS(rv, rv);
rv = CheckLoadURIWithPrincipal(aPrincipal, target, aFlags);
if (rv == NS_ERROR_DOM_BAD_URI) {
// Don't warn because NS_ERROR_DOM_BAD_URI is one of the expected
// return values.
return rv;
}
NS_ENSURE_SUCCESS(rv, rv);
}
return rv;
}
bool
nsScriptSecurityManager::ScriptAllowed(JSObject *aGlobal)
{
MOZ_ASSERT(aGlobal);
MOZ_ASSERT(JS_IsGlobalObject(aGlobal) || js::IsWindowProxy(aGlobal));
// Check the bits on the compartment private.
return xpc::Scriptability::Get(aGlobal).Allowed();
}
///////////////// Principals ///////////////////////
NS_IMETHODIMP
nsScriptSecurityManager::GetSystemPrincipal(nsIPrincipal **result)
{
NS_ADDREF(*result = mSystemPrincipal);
return NS_OK;
}
NS_IMETHODIMP
nsScriptSecurityManager::GetSimpleCodebasePrincipal(nsIURI* aURI,
nsIPrincipal** aPrincipal)
{
PrincipalOriginAttributes attrs(UNKNOWN_APP_ID, false);
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aURI, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::GetNoAppCodebasePrincipal(nsIURI* aURI,
nsIPrincipal** aPrincipal)
{
PrincipalOriginAttributes attrs(NO_APP_ID, false);
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aURI, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::GetCodebasePrincipal(nsIURI* aURI,
nsIPrincipal** aPrincipal)
{
return GetNoAppCodebasePrincipal(aURI, aPrincipal);
}
NS_IMETHODIMP
nsScriptSecurityManager::CreateCodebasePrincipal(nsIURI* aURI, JS::Handle<JS::Value> aOriginAttributes,
JSContext* aCx, nsIPrincipal** aPrincipal)
{
PrincipalOriginAttributes attrs;
if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aURI, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::CreateCodebasePrincipalFromOrigin(const nsACString& aOrigin,
nsIPrincipal** aPrincipal)
{
if (StringBeginsWith(aOrigin, NS_LITERAL_CSTRING("["))) {
return NS_ERROR_INVALID_ARG;
}
if (StringBeginsWith(aOrigin, NS_LITERAL_CSTRING(NS_NULLPRINCIPAL_SCHEME ":"))) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aOrigin);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::CreateNullPrincipal(JS::Handle<JS::Value> aOriginAttributes,
JSContext* aCx, nsIPrincipal** aPrincipal)
{
PrincipalOriginAttributes attrs;
if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIPrincipal> prin = nsNullPrincipal::Create(attrs);
NS_ENSURE_TRUE(prin, NS_ERROR_FAILURE);
prin.forget(aPrincipal);
return NS_OK;
}
NS_IMETHODIMP
nsScriptSecurityManager::CreateExpandedPrincipal(nsIPrincipal** aPrincipalArray, uint32_t aLength,
nsIPrincipal** aResult)
{
nsTArray<nsCOMPtr<nsIPrincipal>> principals;
principals.SetCapacity(aLength);
for (uint32_t i = 0; i < aLength; ++i) {
principals.AppendElement(aPrincipalArray[i]);
}
nsCOMPtr<nsIPrincipal> p = new nsExpandedPrincipal(principals);
p.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsScriptSecurityManager::GetAppCodebasePrincipal(nsIURI* aURI,
uint32_t aAppId,
bool aInMozBrowser,
nsIPrincipal** aPrincipal)
{
NS_ENSURE_TRUE(aAppId != nsIScriptSecurityManager::UNKNOWN_APP_ID,
NS_ERROR_INVALID_ARG);
PrincipalOriginAttributes attrs(aAppId, aInMozBrowser);
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aURI, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::
GetLoadContextCodebasePrincipal(nsIURI* aURI,
nsILoadContext* aLoadContext,
nsIPrincipal** aPrincipal)
{
DocShellOriginAttributes docShellAttrs;
bool result = aLoadContext->GetOriginAttributes(docShellAttrs);;
NS_ENSURE_TRUE(result, NS_ERROR_FAILURE);
PrincipalOriginAttributes attrs;
attrs.InheritFromDocShellToDoc(docShellAttrs, aURI);
nsresult rv = MaybeSetAddonIdFromURI(attrs, aURI);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aURI, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsScriptSecurityManager::GetDocShellCodebasePrincipal(nsIURI* aURI,
nsIDocShell* aDocShell,
nsIPrincipal** aPrincipal)
{
PrincipalOriginAttributes attrs;
attrs.InheritFromDocShellToDoc(nsDocShell::Cast(aDocShell)->GetOriginAttributes(), aURI);
nsresult rv = MaybeSetAddonIdFromURI(attrs, aURI);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> prin = BasePrincipal::CreateCodebasePrincipal(aURI, attrs);
prin.forget(aPrincipal);
return *aPrincipal ? NS_OK : NS_ERROR_FAILURE;
}
// static
nsIPrincipal*
nsScriptSecurityManager::doGetObjectPrincipal(JSObject *aObj)
{
JSCompartment *compartment = js::GetObjectCompartment(aObj);
JSPrincipals *principals = JS_GetCompartmentPrincipals(compartment);
return nsJSPrincipals::get(principals);
}
NS_IMETHODIMP
nsScriptSecurityManager::CanCreateWrapper(JSContext *cx,
const nsIID &aIID,
nsISupports *aObj,
nsIClassInfo *aClassInfo)
{
// XXX Special case for nsIXPCException ?
ClassInfoData objClassInfo = ClassInfoData(aClassInfo, nullptr);
if (objClassInfo.IsDOMClass())
{
return NS_OK;
}
// We give remote-XUL whitelisted domains a free pass here. See bug 932906.
if (!xpc::AllowContentXBLScope(js::GetContextCompartment(cx)))
{
return NS_OK;
}
if (nsContentUtils::IsCallerChrome())
{
return NS_OK;
}
//-- Access denied, report an error
NS_ConvertUTF8toUTF16 strName("CreateWrapperDenied");
nsAutoCString origin;
nsIPrincipal* subjectPrincipal = nsContentUtils::SubjectPrincipal();
GetPrincipalDomainOrigin(subjectPrincipal, origin);
NS_ConvertUTF8toUTF16 originUnicode(origin);
NS_ConvertUTF8toUTF16 classInfoName(objClassInfo.GetName());
const char16_t* formatStrings[] = {
classInfoName.get(),
originUnicode.get()
};
uint32_t length = ArrayLength(formatStrings);
if (originUnicode.IsEmpty()) {
--length;
} else {
strName.AppendLiteral("ForOrigin");
}
nsXPIDLString errorMsg;
nsresult rv = sStrBundle->FormatStringFromName(strName.get(),
formatStrings,
length,
getter_Copies(errorMsg));
NS_ENSURE_SUCCESS(rv, rv);
SetPendingException(cx, errorMsg.get());
return NS_ERROR_DOM_XPCONNECT_ACCESS_DENIED;
}
NS_IMETHODIMP
nsScriptSecurityManager::CanCreateInstance(JSContext *cx,
const nsCID &aCID)
{
if (nsContentUtils::IsCallerChrome()) {
return NS_OK;
}
//-- Access denied, report an error
nsAutoCString errorMsg("Permission denied to create instance of class. CID=");
char cidStr[NSID_LENGTH];
aCID.ToProvidedString(cidStr);
errorMsg.Append(cidStr);
SetPendingException(cx, errorMsg.get());
return NS_ERROR_DOM_XPCONNECT_ACCESS_DENIED;
}
NS_IMETHODIMP
nsScriptSecurityManager::CanGetService(JSContext *cx,
const nsCID &aCID)
{
if (nsContentUtils::IsCallerChrome()) {
return NS_OK;
}
//-- Access denied, report an error
nsAutoCString errorMsg("Permission denied to get service. CID=");
char cidStr[NSID_LENGTH];
aCID.ToProvidedString(cidStr);
errorMsg.Append(cidStr);
SetPendingException(cx, errorMsg.get());
return NS_ERROR_DOM_XPCONNECT_ACCESS_DENIED;
}
/////////////////////////////////////
// Method implementing nsIObserver //
/////////////////////////////////////
const char sJSEnabledPrefName[] = "javascript.enabled";
const char sFileOriginPolicyPrefName[] =
"security.fileuri.strict_origin_policy";
static const char* kObservedPrefs[] = {
sJSEnabledPrefName,
sFileOriginPolicyPrefName,
"capability.policy.",
"tenfourfox.adblock.",
"tenfourfox.troublesome-js.",
nullptr
};
NS_IMETHODIMP
nsScriptSecurityManager::Observe(nsISupports* aObject, const char* aTopic,
const char16_t* aMessage)
{
ScriptSecurityPrefChanged();
return NS_OK;
}
/////////////////////////////////////////////
// Constructor, Destructor, Initialization //
/////////////////////////////////////////////
nsScriptSecurityManager::nsScriptSecurityManager(void)
: mPrefInitialized(false)
, mIsJavaScriptEnabled(false)
, mIsTenFourFoxAdBlockEnabled(false)
, mIsTenFourFoxAdBlockLoggingEnabled(false)
, mIsTenFourFoxTroublesomeJsAllowed(false)
, mIsTenFourFoxTroublesomeJsLoggingEnabled(false)
{
static_assert(sizeof(intptr_t) == sizeof(void*),
"intptr_t and void* have different lengths on this platform. "
"This may cause a security failure with the SecurityLevel union.");
}
nsresult nsScriptSecurityManager::Init()
{
nsresult rv = CallGetService(NS_IOSERVICE_CONTRACTID, &sIOService);
NS_ENSURE_SUCCESS(rv, rv);
InitPrefs();
nsCOMPtr<nsIStringBundleService> bundleService =
mozilla::services::GetStringBundleService();
if (!bundleService)
return NS_ERROR_FAILURE;
rv = bundleService->CreateBundle("chrome://global/locale/security/caps.properties", &sStrBundle);
NS_ENSURE_SUCCESS(rv, rv);
// Create our system principal singleton
RefPtr<nsSystemPrincipal> system = new nsSystemPrincipal();
mSystemPrincipal = system;
//-- Register security check callback in the JS engine
// Currently this is used to control access to function.caller
sRuntime = xpc::GetJSRuntime();
static const JSSecurityCallbacks securityCallbacks = {
ContentSecurityPolicyPermitsJSAction,
JSPrincipalsSubsume,
};
MOZ_ASSERT(!JS_GetSecurityCallbacks(sRuntime));
JS_SetSecurityCallbacks(sRuntime, &securityCallbacks);
JS_InitDestroyPrincipalsCallback(sRuntime, nsJSPrincipals::Destroy);
JS_SetTrustedPrincipals(sRuntime, system);
return NS_OK;
}
static StaticRefPtr<nsScriptSecurityManager> gScriptSecMan;
nsScriptSecurityManager::~nsScriptSecurityManager(void)
{
Preferences::RemoveObservers(this, kObservedPrefs);
if (mDomainPolicy) {
mDomainPolicy->Deactivate();
}
// ContentChild might hold a reference to the domain policy,
// and it might release it only after the security manager is
// gone. But we can still assert this for the main process.
MOZ_ASSERT_IF(XRE_IsParentProcess(),
!mDomainPolicy);
}
void
nsScriptSecurityManager::Shutdown()
{
if (sRuntime) {
JS_SetSecurityCallbacks(sRuntime, nullptr);
JS_SetTrustedPrincipals(sRuntime, nullptr);
sRuntime = nullptr;
}
NS_IF_RELEASE(sIOService);
NS_IF_RELEASE(sStrBundle);
}
nsScriptSecurityManager *
nsScriptSecurityManager::GetScriptSecurityManager()
{
return gScriptSecMan;
}
/* static */ void
nsScriptSecurityManager::InitStatics()
{
RefPtr<nsScriptSecurityManager> ssManager = new nsScriptSecurityManager();
nsresult rv = ssManager->Init();
if (NS_FAILED(rv)) {
MOZ_CRASH();
}
ClearOnShutdown(&gScriptSecMan);
gScriptSecMan = ssManager;
}
// Currently this nsGenericFactory constructor is used only from FastLoad
// (XPCOM object deserialization) code, when "creating" the system principal
// singleton.
nsSystemPrincipal *
nsScriptSecurityManager::SystemPrincipalSingletonConstructor()
{
nsIPrincipal *sysprin = nullptr;
if (gScriptSecMan)
NS_ADDREF(sysprin = gScriptSecMan->mSystemPrincipal);
return static_cast<nsSystemPrincipal*>(sysprin);
}
struct IsWhitespace {
static bool Test(char aChar) { return NS_IsAsciiWhitespace(aChar); };
};
struct IsWhitespaceOrComma {
static bool Test(char aChar) { return aChar == ',' || NS_IsAsciiWhitespace(aChar); };
};
template <typename Predicate>
uint32_t SkipPast(const nsCString& str, uint32_t base)
{
while (base < str.Length() && Predicate::Test(str[base])) {
++base;
}
return base;
}
template <typename Predicate>
uint32_t SkipUntil(const nsCString& str, uint32_t base)
{
while (base < str.Length() && !Predicate::Test(str[base])) {
++base;
}
return base;
}
inline void
nsScriptSecurityManager::ScriptSecurityPrefChanged()
{
MOZ_ASSERT(mPrefInitialized);
mIsJavaScriptEnabled =
Preferences::GetBool(sJSEnabledPrefName, mIsJavaScriptEnabled);
sStrictFileOriginPolicy =
Preferences::GetBool(sFileOriginPolicyPrefName, false);
mIsTenFourFoxAdBlockEnabled =
Preferences::GetBool("tenfourfox.adblock.enabled", mIsTenFourFoxAdBlockEnabled);
mIsTenFourFoxAdBlockLoggingEnabled =
Preferences::GetBool("tenfourfox.adblock.logging.enabled", mIsTenFourFoxAdBlockLoggingEnabled);
mIsTenFourFoxTroublesomeJsAllowed =
Preferences::GetBool("tenfourfox.troublesome-js.allow",
mIsTenFourFoxTroublesomeJsAllowed);
mIsTenFourFoxTroublesomeJsLoggingEnabled =
Preferences::GetBool("tenfourfox.troublesome-js.logging.enabled",
mIsTenFourFoxTroublesomeJsLoggingEnabled);
//
// Rebuild the set of principals for which we allow file:// URI loads. This
// implements a small subset of an old pref-based CAPS people that people
// have come to depend on. See bug 995943.
//
mFileURIWhitelist.Clear();
auto policies = mozilla::Preferences::GetCString("capability.policy.policynames");
for (uint32_t base = SkipPast<IsWhitespaceOrComma>(policies, 0), bound = 0;
base < policies.Length();
base = SkipPast<IsWhitespaceOrComma>(policies, bound))
{
// Grab the current policy name.
bound = SkipUntil<IsWhitespaceOrComma>(policies, base);
auto policyName = Substring(policies, base, bound - base);
// Figure out if this policy allows loading file:// URIs. If not, we can skip it.
nsCString checkLoadURIPrefName = NS_LITERAL_CSTRING("capability.policy.") +
policyName +
NS_LITERAL_CSTRING(".checkloaduri.enabled");
if (!Preferences::GetString(checkLoadURIPrefName.get()).LowerCaseEqualsLiteral("allaccess")) {
continue;
}
// Grab the list of domains associated with this policy.
nsCString domainPrefName = NS_LITERAL_CSTRING("capability.policy.") +
policyName +
NS_LITERAL_CSTRING(".sites");
auto siteList = Preferences::GetCString(domainPrefName.get());
AddSitesToFileURIWhitelist(siteList);
}
}
void
nsScriptSecurityManager::AddSitesToFileURIWhitelist(const nsCString& aSiteList)
{
for (uint32_t base = SkipPast<IsWhitespace>(aSiteList, 0), bound = 0;
base < aSiteList.Length();
base = SkipPast<IsWhitespace>(aSiteList, bound))
{
// Grab the current site.
bound = SkipUntil<IsWhitespace>(aSiteList, base);
nsAutoCString site(Substring(aSiteList, base, bound - base));
// Check if the URI is schemeless. If so, add both http and https.
nsAutoCString unused;
if (NS_FAILED(sIOService->ExtractScheme(site, unused))) {
AddSitesToFileURIWhitelist(NS_LITERAL_CSTRING("http://") + site);
AddSitesToFileURIWhitelist(NS_LITERAL_CSTRING("https://") + site);
continue;
}
// Convert it to a URI and add it to our list.
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), site, nullptr, nullptr, sIOService);
if (NS_SUCCEEDED(rv)) {
mFileURIWhitelist.AppendElement(uri);
} else {
nsCOMPtr<nsIConsoleService> console(do_GetService("@mozilla.org/consoleservice;1"));
if (console) {
nsAutoString msg = NS_LITERAL_STRING("Unable to to add site to file:// URI whitelist: ") +
NS_ConvertASCIItoUTF16(site);
console->LogStringMessage(msg.get());
}
}
}
}
nsresult
nsScriptSecurityManager::InitPrefs()
{
nsIPrefBranch* branch = Preferences::GetRootBranch();
NS_ENSURE_TRUE(branch, NS_ERROR_FAILURE);
mPrefInitialized = true;
// Set the initial value of the "javascript.enabled" prefs
ScriptSecurityPrefChanged();
// set observer callbacks in case the value of the prefs change
Preferences::AddStrongObservers(this, kObservedPrefs);
return NS_OK;
}
namespace mozilla {
void
GetJarPrefix(uint32_t aAppId, bool aInMozBrowser, nsACString& aJarPrefix)
{
MOZ_ASSERT(aAppId != nsIScriptSecurityManager::UNKNOWN_APP_ID);
if (aAppId == nsIScriptSecurityManager::UNKNOWN_APP_ID) {
aAppId = nsIScriptSecurityManager::NO_APP_ID;
}
aJarPrefix.Truncate();
// Fallback.
if (aAppId == nsIScriptSecurityManager::NO_APP_ID && !aInMozBrowser) {
return;
}
// aJarPrefix = appId + "+" + { 't', 'f' } + "+";
aJarPrefix.AppendInt(aAppId);
aJarPrefix.Append('+');
aJarPrefix.Append(aInMozBrowser ? 't' : 'f');
aJarPrefix.Append('+');
return;
}
} // namespace mozilla
NS_IMETHODIMP
nsScriptSecurityManager::GetJarPrefix(uint32_t aAppId,
bool aInMozBrowser,
nsACString& aJarPrefix)
{
MOZ_ASSERT(aAppId != nsIScriptSecurityManager::UNKNOWN_APP_ID);
mozilla::GetJarPrefix(aAppId, aInMozBrowser, aJarPrefix);
return NS_OK;
}
NS_IMETHODIMP
nsScriptSecurityManager::GetDomainPolicyActive(bool *aRv)
{
*aRv = !!mDomainPolicy;
return NS_OK;
}
NS_IMETHODIMP
nsScriptSecurityManager::ActivateDomainPolicy(nsIDomainPolicy** aRv)
{
if (!XRE_IsParentProcess()) {
return NS_ERROR_SERVICE_NOT_AVAILABLE;
}
return ActivateDomainPolicyInternal(aRv);
}
NS_IMETHODIMP
nsScriptSecurityManager::ActivateDomainPolicyInternal(nsIDomainPolicy** aRv)
{
// We only allow one domain policy at a time. The holder of the previous
// policy must explicitly deactivate it first.
if (mDomainPolicy) {
return NS_ERROR_SERVICE_NOT_AVAILABLE;
}
mDomainPolicy = new DomainPolicy();
nsCOMPtr<nsIDomainPolicy> ptr = mDomainPolicy;
ptr.forget(aRv);
return NS_OK;
}
// Intentionally non-scriptable. Script must have a reference to the
// nsIDomainPolicy to deactivate it.
void
nsScriptSecurityManager::DeactivateDomainPolicy()
{
mDomainPolicy = nullptr;
}
void
nsScriptSecurityManager::CloneDomainPolicy(DomainPolicyClone* aClone)
{
MOZ_ASSERT(aClone);
if (mDomainPolicy) {
mDomainPolicy->CloneDomainPolicy(aClone);
} else {
aClone->active() = false;
}
}
NS_IMETHODIMP
nsScriptSecurityManager::PolicyAllowsScript(nsIURI* aURI, bool *aRv)
{
nsresult rv;
// Compute our rule. If we don't have any domain policy set up that might
// provide exceptions to this rule, we're done.
*aRv = mIsJavaScriptEnabled;
if (!mDomainPolicy) {
return NS_OK;
}
// We have a domain policy. Grab the appropriate set of exceptions to the
// rule (either the blacklist or the whitelist, depending on whether script
// is enabled or disabled by default).
nsCOMPtr<nsIDomainSet> exceptions;
nsCOMPtr<nsIDomainSet> superExceptions;
if (*aRv) {
mDomainPolicy->GetBlacklist(getter_AddRefs(exceptions));
mDomainPolicy->GetSuperBlacklist(getter_AddRefs(superExceptions));
} else {
mDomainPolicy->GetWhitelist(getter_AddRefs(exceptions));
mDomainPolicy->GetSuperWhitelist(getter_AddRefs(superExceptions));
}
bool contains;
rv = exceptions->Contains(aURI, &contains);
NS_ENSURE_SUCCESS(rv, rv);
if (contains) {
*aRv = !*aRv;
return NS_OK;
}
rv = superExceptions->ContainsSuperDomain(aURI, &contains);
NS_ENSURE_SUCCESS(rv, rv);
if (contains) {
*aRv = !*aRv;
}
return NS_OK;
}
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