The Tor Browser / annotate

js/xpconnect/src/XPCRuntimeService.cpp@129ffea94266 (annotated)

js/xpconnect/src/XPCRuntimeService.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* vim: set ts=8 sts=4 et sw=4 tw=99: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "nsContentUtils.h"
michael@0 8 #include "BackstagePass.h"
michael@0 9 #include "nsIProgrammingLanguage.h"
michael@0 10 #include "nsDOMClassInfo.h"
michael@0 11 #include "nsIPrincipal.h"
michael@0 12
michael@0 13 #include "mozilla/dom/workers/Workers.h"
michael@0 14
michael@0 15 using mozilla::dom::workers::ResolveWorkerClasses;
michael@0 16
michael@0 17 NS_INTERFACE_MAP_BEGIN(BackstagePass)
michael@0 18 NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
michael@0 19 NS_INTERFACE_MAP_ENTRY(nsIXPCScriptable)
michael@0 20 NS_INTERFACE_MAP_ENTRY(nsIClassInfo)
michael@0 21 NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
michael@0 22 NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
michael@0 23 NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIXPCScriptable)
michael@0 24 NS_INTERFACE_MAP_END
michael@0 25
michael@0 26 NS_IMPL_ADDREF(BackstagePass)
michael@0 27 NS_IMPL_RELEASE(BackstagePass)
michael@0 28
michael@0 29 // The nsIXPCScriptable map declaration that will generate stubs for us...
michael@0 30 #define XPC_MAP_CLASSNAME BackstagePass
michael@0 31 #define XPC_MAP_QUOTED_CLASSNAME "BackstagePass"
michael@0 32 #define XPC_MAP_WANT_NEWRESOLVE
michael@0 33 #define XPC_MAP_WANT_FINALIZE
michael@0 34 #define XPC_MAP_WANT_PRECREATE
michael@0 35
michael@0 36 #define XPC_MAP_FLAGS nsIXPCScriptable::USE_JSSTUB_FOR_ADDPROPERTY | \
michael@0 37 nsIXPCScriptable::USE_JSSTUB_FOR_DELPROPERTY | \
michael@0 38 nsIXPCScriptable::USE_JSSTUB_FOR_SETPROPERTY | \
michael@0 39 nsIXPCScriptable::DONT_ENUM_STATIC_PROPS | \
michael@0 40 nsIXPCScriptable::DONT_ENUM_QUERY_INTERFACE | \
michael@0 41 nsIXPCScriptable::IS_GLOBAL_OBJECT | \
michael@0 42 nsIXPCScriptable::DONT_REFLECT_INTERFACE_NAMES
michael@0 43 #include "xpc_map_end.h" /* This will #undef the above */
michael@0 44
michael@0 45 /* bool newResolve (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in jsval id, out JSObjectPtr objp); */
michael@0 46 NS_IMETHODIMP
michael@0 47 BackstagePass::NewResolve(nsIXPConnectWrappedNative *wrapper,
michael@0 48 JSContext * cx, JSObject * objArg,
michael@0 49 jsid idArg, JSObject * *objpArg,
michael@0 50 bool *_retval)
michael@0 51 {
michael@0 52 JS::RootedObject obj(cx, objArg);
michael@0 53 JS::RootedId id(cx, idArg);
michael@0 54
michael@0 55 bool resolved;
michael@0 56 *objpArg = nullptr;
michael@0 57
michael@0 58 *_retval = !!JS_ResolveStandardClass(cx, obj, id, &resolved);
michael@0 59 NS_ENSURE_TRUE(*_retval, NS_ERROR_FAILURE);
michael@0 60
michael@0 61 if (resolved) {
michael@0 62 *objpArg = obj;
michael@0 63 return NS_OK;
michael@0 64 }
michael@0 65
michael@0 66 JS::RootedObject objp(cx, *objpArg);
michael@0 67
michael@0 68 *_retval = ResolveWorkerClasses(cx, obj, id, &objp);
michael@0 69 NS_ENSURE_TRUE(*_retval, NS_ERROR_FAILURE);
michael@0 70
michael@0 71 if (objp) {
michael@0 72 *objpArg = objp;
michael@0 73 return NS_OK;
michael@0 74 }
michael@0 75
michael@0 76 return NS_OK;
michael@0 77 }
michael@0 78
michael@0 79 /***************************************************************************/
michael@0 80 /* void getInterfaces (out uint32_t count, [array, size_is (count), retval]
michael@0 81 out nsIIDPtr array); */
michael@0 82 NS_IMETHODIMP
michael@0 83 BackstagePass::GetInterfaces(uint32_t *aCount, nsIID * **aArray)
michael@0 84 {
michael@0 85 const uint32_t count = 2;
michael@0 86 *aCount = count;
michael@0 87 nsIID **array;
michael@0 88 *aArray = array = static_cast<nsIID**>(nsMemory::Alloc(count * sizeof(nsIID*)));
michael@0 89 if (!array)
michael@0 90 return NS_ERROR_OUT_OF_MEMORY;
michael@0 91
michael@0 92 uint32_t index = 0;
michael@0 93 nsIID* clone;
michael@0 94 #define PUSH_IID(id) \
michael@0 95 clone = static_cast<nsIID *>(nsMemory::Clone(&NS_GET_IID( id ), \
michael@0 96 sizeof(nsIID))); \
michael@0 97 if (!clone) \
michael@0 98 goto oom; \
michael@0 99 array[index++] = clone;
michael@0 100
michael@0 101 PUSH_IID(nsIXPCScriptable)
michael@0 102 PUSH_IID(nsIScriptObjectPrincipal)
michael@0 103 #undef PUSH_IID
michael@0 104
michael@0 105 return NS_OK;
michael@0 106 oom:
michael@0 107 while (index)
michael@0 108 nsMemory::Free(array[--index]);
michael@0 109 nsMemory::Free(array);
michael@0 110 *aArray = nullptr;
michael@0 111 return NS_ERROR_OUT_OF_MEMORY;
michael@0 112 }
michael@0 113
michael@0 114 /* nsISupports getHelperForLanguage (in uint32_t language); */
michael@0 115 NS_IMETHODIMP
michael@0 116 BackstagePass::GetHelperForLanguage(uint32_t language,
michael@0 117 nsISupports **retval)
michael@0 118 {
michael@0 119 nsCOMPtr<nsISupports> supports =
michael@0 120 do_QueryInterface(static_cast<nsIGlobalObject *>(this));
michael@0 121 supports.forget(retval);
michael@0 122 return NS_OK;
michael@0 123 }
michael@0 124
michael@0 125 /* readonly attribute string contractID; */
michael@0 126 NS_IMETHODIMP
michael@0 127 BackstagePass::GetContractID(char * *aContractID)
michael@0 128 {
michael@0 129 *aContractID = nullptr;
michael@0 130 return NS_ERROR_NOT_AVAILABLE;
michael@0 131 }
michael@0 132
michael@0 133 /* readonly attribute string classDescription; */
michael@0 134 NS_IMETHODIMP
michael@0 135 BackstagePass::GetClassDescription(char * *aClassDescription)
michael@0 136 {
michael@0 137 static const char classDescription[] = "BackstagePass";
michael@0 138 *aClassDescription = (char*)nsMemory::Clone(classDescription, sizeof(classDescription));
michael@0 139 return *aClassDescription ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
michael@0 140 }
michael@0 141
michael@0 142 /* readonly attribute nsCIDPtr classID; */
michael@0 143 NS_IMETHODIMP
michael@0 144 BackstagePass::GetClassID(nsCID * *aClassID)
michael@0 145 {
michael@0 146 *aClassID = nullptr;
michael@0 147 return NS_OK;
michael@0 148 }
michael@0 149
michael@0 150 /* readonly attribute uint32_t implementationLanguage; */
michael@0 151 NS_IMETHODIMP
michael@0 152 BackstagePass::GetImplementationLanguage(uint32_t *aImplementationLanguage)
michael@0 153 {
michael@0 154 *aImplementationLanguage = nsIProgrammingLanguage::CPLUSPLUS;
michael@0 155 return NS_OK;
michael@0 156 }
michael@0 157
michael@0 158 /* readonly attribute uint32_t flags; */
michael@0 159 NS_IMETHODIMP
michael@0 160 BackstagePass::GetFlags(uint32_t *aFlags)
michael@0 161 {
michael@0 162 *aFlags = nsIClassInfo::MAIN_THREAD_ONLY;
michael@0 163 return NS_OK;
michael@0 164 }
michael@0 165
michael@0 166 /* [notxpcom] readonly attribute nsCID classIDNoAlloc; */
michael@0 167 NS_IMETHODIMP
michael@0 168 BackstagePass::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
michael@0 169 {
michael@0 170 return NS_ERROR_NOT_AVAILABLE;
michael@0 171 }
michael@0 172
michael@0 173 NS_IMETHODIMP
michael@0 174 BackstagePass::Finalize(nsIXPConnectWrappedNative *wrapper, JSFreeOp * fop, JSObject * obj)
michael@0 175 {
michael@0 176 nsCOMPtr<nsIGlobalObject> bsp(do_QueryWrappedNative(wrapper));
michael@0 177 MOZ_ASSERT(bsp);
michael@0 178 static_cast<BackstagePass*>(bsp.get())->ForgetGlobalObject();
michael@0 179 return NS_OK;
michael@0 180 }
michael@0 181
michael@0 182 NS_IMETHODIMP
michael@0 183 BackstagePass::PreCreate(nsISupports *nativeObj, JSContext *cx,
michael@0 184 JSObject *globalObj, JSObject **parentObj)
michael@0 185 {
michael@0 186 // We do the same trick here as for WindowSH. Return the js global
michael@0 187 // as parent, so XPConenct can find the right scope and the wrapper
michael@0 188 // that already exists.
michael@0 189 nsCOMPtr<nsIGlobalObject> global(do_QueryInterface(nativeObj));
michael@0 190 MOZ_ASSERT(global, "nativeObj not a global object!");
michael@0 191
michael@0 192 JSObject *jsglobal = global->GetGlobalJSObject();
michael@0 193 if (jsglobal)
michael@0 194 *parentObj = jsglobal;
michael@0 195 return NS_OK;
michael@0 196 }
michael@0 197
michael@0 198 nsresult
michael@0 199 NS_NewBackstagePass(BackstagePass** ret)
michael@0 200 {
michael@0 201 nsRefPtr<BackstagePass> bsp = new BackstagePass(
michael@0 202 nsContentUtils::GetSystemPrincipal());
michael@0 203 bsp.forget(ret);
michael@0 204 return NS_OK;
michael@0 205 }

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