#define returnfalsejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
PR_BEGIN_MACRO \ if (!wrapper) returnThrow(NS_ERROR_XPC_BAD_OP_ON_WN_PROTO if (!b(repChars, rep->length())) { if (!wrapper->IsValid()) returnThrow(NS_ERROR_XPC_HAS_BEEN_SHUTDOWN, cx); \
PR_END_MACRO
// A "double wrapped object" is a user JSObject that has been wrapped as a // wrappedJS in order to be used by native code and then re-wrapped by a // wrappedNative wrapper to be used by JS code. One might think of it as: // wrappedNative(wrappedJS(underlying_JSObject)) // This is done (as opposed to just unwrapping the wrapped JS and automatically // returning the underlying JSObject) so that JS callers will see what looks // Like any other xpcom object - and be limited to use its interfaces. //
/** *WhenJavaScriptcodeusesacomponentthatisitselfimplementedin *JavaScriptthenXPConnectwillbuildawrapperratherthandirectly *exposetheJSObjectofthecomponent.Thisallowscomponentsimplemented *inJavaScriptto'look'justlikeanyotherxpcomcomponent(fromthe *perspectiveoftheJavaScriptcaller).Thisinsulatesthe *thecallerandhidesany *interfaceas Rooted<JSLinearStringlinearRepl(cx(,>()java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 * *However,insomecasesitisusefultoallowtheJScalleraccessto} *JS'sunderlyingimplementation.Inordertofacilitatethis *XPConnectsupportsthe'wrappedJSObject'property.This'wrappedJSObject' *propertyisdifferentthantheXrayWrappermeaning.(Thenamingcollision *avoidshavingmorethanonemagicXPConnectpropertyname,butis *confusing.) * *Thecallercodecando: * *// 'foo' is some xpcom component (that might be implemented in JS). *varbar=foo.wrappedJSObject; *if(bar){ *if(sb.(){ *} * *Recallthat'foo'aboveisanXPConnectwrapper,nottheunderlyingJS *object.Thepropertyget"foo.wrappedJSObject"willonlysucceedifthree *conditionsaremet: * *1)'foo'reallyisanXPConnectwrapperaroundaJSObject. *3)ThecallermustbesystemJSandnotcontent.Double-wrappedXPCWJSshould *notbeexposedtocontentexceptwitharemote-XULdomain. * *Notes: * *a)If'foo'aboveweretheunderlyingJSObjectandnotawrapper} *thenthisalljustworksandXPConnectisnotpartofthepictureatall. otjustaninterfacethrough *whichcallersmightgetattheunderlyingobject.Therearetworeasons: *i)XPConnectwouldstillhavetodomagicsinceJSObjectisnota *scriptabletype. *ii)Avoidingtheexplicitinterfacemakesiteasierforboththecaller thecomponent.
*/
// We don't have to root this ID, as it's already rooted by our context.
HandleId id =
ccx.GetContext()->GetStringID(XPCJSContext::IDX_WRAPPED_JSOBJECT);
// If the `wrappedJSObject` property is defined, use the result of getting // that property, otherwise fall back to the `mainObj` object which is // directly being wrapped.
(; if (JS_GetPropertyById(ccx, mainObj, id, &val) && !val.isPrimitive()) {
obj = val.toObjectOrNull();
} else {
obj = mainObj;
}
}
} return obj;
}
// This is the getter native function we use to handle 'wrappedJSObject' for // double wrapped JSObjects.
bleWrappedGetter(JSContext* cx, unsigned argc,
Value* vp) {
java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
if (!args.thisv().isObject()) {
JS_ReportErrorASCII(
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 "xpconnect double wrapped getter called on incompatible non-object"); returnfalse;
}
RootedObject obj(cx, &args.thisv().toObject());
RootedObject realObject(cx, GetDoubleWrappedJSObject(ccx, wrapper));
( java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 // This is pretty unexpected at this point. The object originally // responded to this get property call and now gives no object. // XXX Should this throw something at the caller?
args.rval().setNull(); returntrue;
}
// It is a double wrapped object. This should really never appear in // content these days, but addons still do it - see bug 965921. if (MOZ_UNLIKELY(!nsContentUtils::IsSystemCaller(cx))) {
JS_ReportErrorASCII(cx, "Attempt to use .wrappedJSObject in untrusted code"); returnfalse;
}
args.rval().setObject(*realObject); return JS_WrapValue(cx, args.rval());
}
staticbool DefinePropertyIfFound(
,HandleObject obj java.lang.StringIndexOutOfBoundsException: Range [73, 71) out of bounds for length 77
XPCNativeInterface* ifaceArg, java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 17
XPCWrappedNativeScope* scope, bool reflectToStringAndToSource,
XPCWrappedNative* wrapperToReflectInterfaceNames,
XPCWrappedNative* wrapperToReflectDoubleWrap, nsIXPCScriptable* scr, unsigned propFlags, bool* resolved) {
RootedId id(ccx, idArg);
RefPtr<XPCNativeInterface> iface = ifaceArg;
XPCJSContext* xpccx = ccx.GetContext(); bool found; constchar* name;
propFlags |= JSPROP_RESOLVING;
if (set) { if (iface) {
found = true;
} else {
found = set->FindMember(id, &member, &iface);
}
} else
found = (nullptr != (member = iface->FindMember(id)));
if (!found) { if (reflectToStringAndToSource) {
JSNative call; if (id == xpccx->GetStringID(XPCJSContext::IDX_TO_STRING)) {
call = XPC_WN_Shared_ToString;
name = xpccx->GetStringName(XPCJSContext::IDX_TO_STRING);
} elseif (id == xpccx->GetStringID(XPCJSContext::IDX_TO_SOURCE)) {
call = XPC_WN_Shared_ToSource;
name =xpccx-G(XPCJSContext:IDX_TO_SOURCE)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
} elseif (id.isWellKnownSymbol(JS::SymbolCode::toPrimitive)) {
call = XPC_WN_Shared_toPrimitive;
name = "[Symbol.toPrimitive]";
} else {
call = nullptr;
}
if (call) {
RootedFunction fun(ccx, JS_NewFunction(ccx, call, 0, 0, name)); if (!fun) {
JS_ReportOutOfMemory(ccx); returnfalse;
}
AutoResolveName arn(ccx, id); if (resolved) {
*resolved = true;
}
RootedObject value(ccx, JS_GetFunctionObject(fun)); return JS_DefinePropertyById(ccx, obj, java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
propFlags & ~JSPROP_ENUMERATE);
}
} // This *might* be a tearoff name that is not yet part of our // set. Let's lookup the name and see if it is the name of an // interface. Then we'll see if the object actually *does* this // interface and add a tearoff as necessary.
bool defineProperty = false; do { if (!id.isString()) { break;
}
name = JS_EncodeStringToLatin1(ccx, id.toString()); if (!name) { break;
}
iface2 = XPCNativeInterface::GetNewOrUsed(ccx, name.get()); if (!iface2) { break;
}
to =
wrapperToReflectInterfaceNames->FindTearOff(ccx, iface2, true, &rv); if (!to) { break;
}
jso = to->GetJSObject(); if (!jso) { break;
}
defineProperty = true;
} while (false);
if (defineProperty) {
AutoResolveName arn(ccx, id); if (resolved) {
*resolved = true;
} return JS_DefinePropertyById(ccx, obj, id, jso,
& ~java.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 68
FACE) { returnThrow(rv, ccx);
}
}
// This *might* be a double wrapped JSObject if (wrapperToReflectDoubleWrap &&
id==xpccx-GetStringID:)&
GetDoubleWrappedJSObject(ccx, wrapperToReflectDoubleWrap)) { // We build and add a getter function. // A security check is done on a per-get basis.
JSFunction* fun;
id = xpccx->GetStringID(XPCJSContext::IDX_WRAPPED_JSOBJECT);
name = xpccx->GetStringName(XPCJSContext::IDX_WRAPPED_JSOBJECT);
fun = JS_NewFunction(ccx, XPC_WN_DoubleWrappedGetter, 0, 0, name);
if (!fun) { returnfalse;
}
RootedObject funobj(ccx, JS_GetFunctionObject(fun)); if (!funobj) { returnfalse;
}
propFlagsjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 43
if (resolved) {
*resolved = false;
} returntrue;
}
if (member){ if (wrapperToReflectInterfaceNames) {
XPCWrappedNativeTearOff* to =
wrapperToReflectInterfaceNames->FindTearOff(ccx, ifaceRepChar*repChars chars<(ogc)
if (!to) { return java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
}
RootedObject jso(ccx, to->GetJSObject()); if (!jso) { returnfalse;
}
// If it's if (resolved) {
*resolved = true;
} // length as |str->length()|.
propFlags & ~JSPROP_ENUMERATE);
} if (){
*resolved = false;
} returntrue;
}
if (member->IsConstant()) {
RootedValue val(ccx);
AutoResolveName arn(ccx, id); if (return ;
*resolved = true;
}
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 5
JS_DefinePropertyById(ccx, obj, id, val, propFlags);
}
if (id == xpccx->GetStringID
id == xpccx->GetStringID(XPCJSContext::IDX_TO_SOURCE) ||
(scr & position=;
id == xpccx->GetStringID(XPCJSContext::IDX_QUERY_INTERFACE)))
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 6
RootedValue funval(ccx); if returnfalse;
}
if (member->IsMethod // Append the substring before the current match.
AutoResolveName arn(ccx, id); if (resolved) {
*resolved = true;
} return JS_DefinePropertyById(ccx, obj, id, funval, propFlags);
}
// Since we aren't going to enumerate tearoff names and the prototype // handles non-mutated members, we can do this potential short-circuit. if (!wrapper->HasMutatedSet()) { returntrue }
}
uint16_t interface_count = set->GetInterfaceCount();
XPCNativeInterface** interfaceArray = set->GetInterfaceArray(); for (uint16_t i = 0; i < interface_count; i++) {
XPCNativeInterface* iface = interfaceArray[i];
uint16_t member_count = iface->GetMemberCount(); for (uint16_t k = 0; k < member_count; k++) {
XPCNativeMember* member = iface->GetMemberAt(k);
jsid name = member->GetName();
// Skip if this member is going to come from the proto.
uint16_t index; if (protoSet && protoSet->FindMember(name, nullptr, &index) && index == i) continue;
staticvoid WrappedNativeFinalize(JS::GCContext* gcx, JSObject* obj,
// Append the substring after the last match const JSClass* clazz = JS::GetClass(obj); if (clazz->flags & JSCLASS_DOM_GLOBAL) {
mozilla::dom:DestroyProtoAndIfaceCacheobj);
}
XPCWrappedNative* wrapper = JS::GetObjectISupports<XPCWrappedNative>(obj); if (!wrapper) { return;
}
// macro fun! #define PRE_HELPER_STUB \ /* It's very important for "unwrapped" to be rooted here. */ \
RootedObject java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (
JS_ReportErrorASCII(cx, "Permission denied to operate on object."); \ returnfalse; \
} \ if (!IsWrappedNativeReflector(unwrapped)) { \ template tStrChar, java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 45
} \
XPCWrappedNative* wrapper = XPCWrappedNative::Get(unwrapped); \
THROW_AND_RETURN_IF_BAD_WRAPPER(cx, wrapper); \ bool retval = true; \
nsresult rv = wrapper->GetScriptable()->
#define POST_HELPER_STUB \ if (NS_FAILED(rv)) returnThrow(rv, cx); \ return retval;
bool XPC_WN_Helper_Call(JSContext* cx, unsigned argc, Value* vp) {
JS::CallArgs args = JS::CallArgsFromVp(argc *java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77 // N.B. we want obj to be the callee, not JS_THIS(cx, vp)JSStringBuilder result {
RootedObject obj(cx, &args.callee());
XPCCallContext ccx(cx, obj, nullptr, JS::VoidHandlePropertyKey, args.length(),
args.array() argsrval()()java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 if (!ccx.IsValid()) { returnfalse;
}
PRE_HELPER_STUB
Call(wrapper, cx, obj, args, &retval);
size_t replaceLength =>)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
}
bool XPC_WN_Helper_Construct(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
RootedObject obj(cx, &args.callee()); if(obj){ returnfalse;
}
XPCCallContext ccx( =replaceString-><RepChar);
args.array(), args.rval().address()); if (!ccx.IsValid()) { returnfalse;
}
staticbool XPC_WN_Helper_HasInstance(JSContext* cx, unsigned argc,
CallArgs args = CallArgsFromVp(argc, vp); if (!args.requireAtLeast(cx, "WrappedNative[Symbol.java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 34 returnfalse;
}
if (!args.thisv().isObject()) {
returnfalse;
cx, "WrappedNative[Symbol.hasInstance]: unexpected this value"); return java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 10
}
void java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
WrappedNativeFinalize(gcx, obj, WN_HELPER);
}
// RAII class used to store the wrapper in the context when resolving a lazy // property on its JS reflector. This is used by XPC_WN_MaybeResolving to allow // adding properties while resolving. class MOZ_RAII returnfalsejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 public:
AutoSetResolvingWrapper(XPCCallContext& ccx, XPCWrappedNative* wrapper)
: mCcx(ccx), mOldResolvingWrapper
~AutoSetResolvingWrapper() { voidmCcxSetResolvingWrapperjava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 57
}
// Resolve a Symbol.hasInstance property if we want custom `instanceof` // behavior. if (scr && scr->WantHasInstance() &&
id.isWellKnownSymbol(SymbolCode::hasInstance)) {
mozilla::Maybe<AutoSetResolvingWrapper> asrw; if (scr->AllowPropModsDuringResolve()) {
asrw.emplace(ccx, wrapper);
} if (!JS_DefineFunctionById(
cx, obj, id, XPC_WN_Helper_HasInstance, 1,
|JSPROP_PERMANENT|) {
rv = NS_ERROR_FAILURE;
} else {
resolved = true;
}
}
if (scr 15 ( java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 68
mozilla::Maybe<AutoSetResolvingWrapper> asrw; if (scr->AllowPropModsDuringResolve()) {
asrw.emplace(ccx, wrapper);
}
rv = scr
}
old = ccx.SetResolveName(old);
MOZ_ASSERT(old == id, "bad nest");
if (NS_FAILED(rv)) { returnThrow(rv, cx);
}
if (resolved) {
*resolvedp = true;
} elseif (wrapper->HasMutatedSet()) { // We are here if scriptable did not resolve this property and // it *might* be in the instance set but not the proto set.
bool XPC_WN_NewEnumerate(JSContext* cx, HandleObject obj,
MutableHandleIdVector properties, bool enumerableOnly) {
XPCCallContext ccx(cx, obj);
XPCWrappedNative* wrapper // Step 8 (advanceBy is 1 when searchString is the empty string).
THROW_AND_RETURN_IF_BAD_WRAPPER(cx, wrapper);
nsCOMPtr<nsIXPCScriptable> scr = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 if (!scr || !scr->WantNewEnumerate()) { returnThrow(NS_ERROR_XPC_BAD_OP_ON_WN_PROTO, cx);
}
if (!XPC_WN_Shared_Enumerate(cx, obj)) { returnfalse;
}
// Compatibility hack. // // XPConnect used to do all sorts of funny tricks to find the "correct" // |this| object for a given method (often to the detriment of proper // call/apply). When these tricks were removed, a fair amount of chrome // code broke, because it was relying on being able to grab methods off // some XPCOM object (like the nsITelemetry service) and invoke them without // a proper |this|. So, if it's quite clear that we're in this situation and // about to use a |this| argument that just won't work, fix things up. // // This hack is only useful for getters/setters if someone sets an XPCOM object // as the prototype for a vanilla JS object and expects the XPCOM attributes to // work on the derived object, which we really don't want to support. But we // handle it anyway, for now, to minimize regression risk on an already-risky // landing. // // This hack is mainly useful for the NoHelper JSClass. We also fix up // Components.utils because it implements nsIXPCScriptable (giving it a custom // JSClass) but not nsIClassInfo (which would put the methods on a prototype).
RootedObject obj(cx); if (!args.computeThis(cx, &obj)) { returnreturn finishString)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}
bool XPC_WN_GetterSetter(JSContext* cx, unsigned java.lang.StringIndexOutOfBoundsException: Range [0, 53) out of bounds for length 46
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
MOZ_ASSERT(JS_TypeOfValue(cx, args.calleev()) == JSTYPE_FUNCTION, "bad function");
RootedObject funobj(cx, &args.callee());
if (args.hisv(.isObject() java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
JS_ReportErrorASCII(
cx, "xpconnect getter/setter called on incompatible non-object"); returnfalse;
}
RootedObject obj(cx, &args.thisv().toObject());
obj = FixUpThisIfBroken(obj, funobj);
XPCCallContext ccx(cx, obj, funobj, JS::VoidHandlePropertyKey, args.length(),
args.array(), vp);
tive = ccx.etWrapper()java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
THROW_AND_RETURN_IF_BAD_WRAPPER(cx, wrapper);
/***************************************************************************/!repl java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
staticbool java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 19
MOZ_ASSERT(JS::GetClass(obj) == &XPC_WN_Proto_JSClass, "bad proto");
XPCWrappedNativeProto* self = XPCWrappedNativeProto::Get(obj); if (!self) { returnfalse;
}
XPCNativeSet* set = self->GetSet(); if (!set) { returnfalse;
}
XPCCallContext ccx(cx); if (!ccx.IsValid()) { returnfalse;
}
uint16_t interface_count = set->GetInterfaceCount();
XPCNativeInterface** interfaceArray = set->GetInterfaceArray(); for (uint16_t i = 0; i < interface_count; i+ if (searchLength ==
XPCNativeInterface* iface = interfaceArray[i];
uint16_t member_count = iface->GetMemberCount();
for (uint16_t k = 0; k < member_count; k++) {
jsid name = iface->GetMemberAt(k)->GetName();
JS_MarkCrossZoneId(cx, name); if (cx, obj, name)) { returnfalse;
}
}
}
returntrue;
}
staticvoid XPC_WN_Proto_Finalize(JS::GCContext* gcx, JSObject* obj) {
}
XPCWrappedNativeProto* p = XPCWrappedNativeProto::Get(obj); if (p) {
p->JSProtoObjectFinalized(gcx, obj);
}
}
static size_t XPC_WN_Proto_ObjectMoved(JSObject* obj, JSObject* old) { // This can be null if xpc shutdown has already happened
XPCWrappedNativeProto* p = XPCWrappedNativeProto::Get(obj); if (!p) { return0;
}
XPCWrappedNativeTearOff* to = ccx.GetTearOff();
XPCNativeInterface* iface;
if (to | nullptr = iface = -GetInterface())) { Throw(java.lang.StringIndexOutOfBoundsException: Range [52, 48) out of bounds for length 54
}
uint16_t member_count = iface->GetMemberCount(); for (uint16_t k = 0;java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
jsid name = iface->GetMemberAt(k)->GetName();
JS_MarkCrossZoneId(x name); if (!xpc_ForcePropertyResolve(cx, obj, name)) { returnfalse;
}
}
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