зеркало из https://github.com/mozilla/gecko-dev.git
1348 строки
38 KiB
C++
1348 строки
38 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=4 sw=4 et tw=78: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCOMPtr.h"
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#include "nsAutoPtr.h"
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#include "jsapi.h"
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#include "jswrapper.h"
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#include "nsCRT.h"
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#include "nsError.h"
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#include "nsXPIDLString.h"
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#include "nsReadableUtils.h"
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#include "nsJSProtocolHandler.h"
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#include "nsStringStream.h"
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#include "nsNetUtil.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIURI.h"
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#include "nsIScriptContext.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIPrincipal.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIWindowMediator.h"
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#include "nsPIDOMWindow.h"
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#include "nsIConsoleService.h"
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#include "nsXPIDLString.h"
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#include "prprf.h"
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#include "nsEscape.h"
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#include "nsIWebNavigation.h"
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#include "nsIDocShell.h"
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#include "nsIContentViewer.h"
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#include "nsIXPConnect.h"
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#include "nsContentUtils.h"
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#include "nsJSUtils.h"
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#include "nsThreadUtils.h"
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#include "nsIScriptChannel.h"
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#include "nsIDocument.h"
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#include "nsILoadInfo.h"
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#include "nsIObjectInputStream.h"
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#include "nsIObjectOutputStream.h"
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#include "nsIWritablePropertyBag2.h"
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#include "nsIContentSecurityPolicy.h"
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#include "nsSandboxFlags.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "nsILoadInfo.h"
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using mozilla::dom::AutoEntryScript;
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static NS_DEFINE_CID(kJSURICID, NS_JSURI_CID);
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class nsJSThunk : public nsIInputStream
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{
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public:
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nsJSThunk();
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_FORWARD_SAFE_NSIINPUTSTREAM(mInnerStream)
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nsresult Init(nsIURI* uri);
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nsresult EvaluateScript(nsIChannel *aChannel,
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PopupControlState aPopupState,
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uint32_t aExecutionPolicy,
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nsPIDOMWindow *aOriginalInnerWindow);
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protected:
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virtual ~nsJSThunk();
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nsCOMPtr<nsIInputStream> mInnerStream;
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nsCString mScript;
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nsCString mURL;
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};
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//
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// nsISupports implementation...
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//
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NS_IMPL_ISUPPORTS(nsJSThunk, nsIInputStream)
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nsJSThunk::nsJSThunk()
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{
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}
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nsJSThunk::~nsJSThunk()
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{
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}
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nsresult nsJSThunk::Init(nsIURI* uri)
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{
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NS_ENSURE_ARG_POINTER(uri);
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// Get the script string to evaluate...
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nsresult rv = uri->GetPath(mScript);
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if (NS_FAILED(rv)) return rv;
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// Get the url.
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rv = uri->GetSpec(mURL);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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static bool
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IsISO88591(const nsString& aString)
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{
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for (nsString::const_char_iterator c = aString.BeginReading(),
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c_end = aString.EndReading();
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c < c_end; ++c) {
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if (*c > 255)
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return false;
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}
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return true;
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}
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static
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nsIScriptGlobalObject* GetGlobalObject(nsIChannel* aChannel)
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{
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// Get the global object owner from the channel
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nsCOMPtr<nsIDocShell> docShell;
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NS_QueryNotificationCallbacks(aChannel, docShell);
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if (!docShell) {
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NS_WARNING("Unable to get a docShell from the channel!");
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return nullptr;
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}
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// So far so good: get the script global from its docshell
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nsIScriptGlobalObject* global = docShell->GetScriptGlobalObject();
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NS_ASSERTION(global,
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"Unable to get an nsIScriptGlobalObject from the "
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"docShell!");
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return global;
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}
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nsresult nsJSThunk::EvaluateScript(nsIChannel *aChannel,
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PopupControlState aPopupState,
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uint32_t aExecutionPolicy,
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nsPIDOMWindow *aOriginalInnerWindow)
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{
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if (aExecutionPolicy == nsIScriptChannel::NO_EXECUTION) {
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// Nothing to do here.
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return NS_ERROR_DOM_RETVAL_UNDEFINED;
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}
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NS_ENSURE_ARG_POINTER(aChannel);
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// Get principal of code for execution
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nsCOMPtr<nsISupports> owner;
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aChannel->GetOwner(getter_AddRefs(owner));
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nsCOMPtr<nsIPrincipal> principal = do_QueryInterface(owner);
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if (!principal) {
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nsCOMPtr<nsILoadInfo> loadInfo;
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aChannel->GetLoadInfo(getter_AddRefs(loadInfo));
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if (loadInfo && loadInfo->GetForceInheritPrincipal()) {
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principal = loadInfo->LoadingPrincipal();
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} else {
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// No execution without a principal!
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NS_ASSERTION(!owner, "Non-principal owner?");
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NS_WARNING("No principal to execute JS with");
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return NS_ERROR_DOM_RETVAL_UNDEFINED;
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}
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}
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nsresult rv;
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// CSP check: javascript: URIs disabled unless "inline" scripts are
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// allowed.
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nsCOMPtr<nsIContentSecurityPolicy> csp;
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rv = principal->GetCsp(getter_AddRefs(csp));
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NS_ENSURE_SUCCESS(rv, rv);
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if (csp) {
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bool allowsInline = true;
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bool reportViolations = false;
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rv = csp->GetAllowsInlineScript(&reportViolations, &allowsInline);
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NS_ENSURE_SUCCESS(rv, rv);
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if (reportViolations) {
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// gather information to log with violation report
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nsCOMPtr<nsIURI> uri;
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principal->GetURI(getter_AddRefs(uri));
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nsAutoCString asciiSpec;
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uri->GetAsciiSpec(asciiSpec);
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csp->LogViolationDetails(nsIContentSecurityPolicy::VIOLATION_TYPE_INLINE_SCRIPT,
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NS_ConvertUTF8toUTF16(asciiSpec),
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NS_ConvertUTF8toUTF16(mURL),
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0,
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EmptyString(),
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EmptyString());
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}
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//return early if inline scripts are not allowed
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if (!allowsInline) {
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return NS_ERROR_DOM_RETVAL_UNDEFINED;
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}
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}
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// Get the global object we should be running on.
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nsIScriptGlobalObject* global = GetGlobalObject(aChannel);
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if (!global) {
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return NS_ERROR_FAILURE;
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}
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// Sandboxed document check: javascript: URI's are disabled
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// in a sandboxed document unless 'allow-scripts' was specified.
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nsIDocument* doc = aOriginalInnerWindow->GetExtantDoc();
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if (doc && (doc->GetSandboxFlags() & SANDBOXED_SCRIPTS)) {
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return NS_ERROR_DOM_RETVAL_UNDEFINED;
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}
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// Push our popup control state
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nsAutoPopupStatePusher popupStatePusher(aPopupState);
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// Make sure we still have the same inner window as we used to.
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nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(global);
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nsPIDOMWindow *innerWin = win->GetCurrentInnerWindow();
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if (innerWin != aOriginalInnerWindow) {
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return NS_ERROR_UNEXPECTED;
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}
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nsCOMPtr<nsIScriptGlobalObject> innerGlobal = do_QueryInterface(innerWin);
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nsCOMPtr<nsIDOMWindow> domWindow(do_QueryInterface(global, &rv));
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if (NS_FAILED(rv)) {
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return NS_ERROR_FAILURE;
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}
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// So far so good: get the script context from its owner.
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nsCOMPtr<nsIScriptContext> scriptContext = global->GetContext();
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if (!scriptContext)
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return NS_ERROR_FAILURE;
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nsAutoCString script(mScript);
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// Unescape the script
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NS_UnescapeURL(script);
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nsCOMPtr<nsIScriptSecurityManager> securityManager;
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securityManager = do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
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if (NS_FAILED(rv))
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return rv;
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// New script entry point required, due to the "Create a script" step of
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// http://www.whatwg.org/specs/web-apps/current-work/#javascript-protocol
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AutoEntryScript entryScript(innerGlobal, true,
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scriptContext->GetNativeContext());
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JSContext* cx = entryScript.cx();
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JS::Rooted<JSObject*> globalJSObject(cx, innerGlobal->GetGlobalJSObject());
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NS_ENSURE_TRUE(globalJSObject, NS_ERROR_UNEXPECTED);
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//-- Don't execute unless the script principal subsumes the
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// principal of the context.
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nsIPrincipal* objectPrincipal = nsContentUtils::ObjectPrincipal(globalJSObject);
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bool subsumes;
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rv = principal->Subsumes(objectPrincipal, &subsumes);
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if (NS_FAILED(rv))
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return rv;
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if (!subsumes) {
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return NS_ERROR_DOM_RETVAL_UNDEFINED;
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}
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JS::Rooted<JS::Value> v (cx, JS::UndefinedValue());
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// Finally, we have everything needed to evaluate the expression.
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JS::CompileOptions options(cx);
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options.setFileAndLine(mURL.get(), 1)
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.setVersion(JSVERSION_DEFAULT);
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nsJSUtils::EvaluateOptions evalOptions;
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evalOptions.setCoerceToString(true);
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rv = nsJSUtils::EvaluateString(cx, NS_ConvertUTF8toUTF16(script),
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globalJSObject, options, evalOptions, &v);
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// If there's an error on cx as a result of that call, report
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// it now -- either we're just running under the event loop,
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// so we shouldn't propagate JS exceptions out of here, or we
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// can't be sure that our caller is JS (and if it's not we'll
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// lose the error), or it might be JS that then proceeds to
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// cause an error of its own (which will also make us lose
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// this error).
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::JS_ReportPendingException(cx);
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if (NS_FAILED(rv) || !(v.isString() || v.isUndefined())) {
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return NS_ERROR_MALFORMED_URI;
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} else if (v.isUndefined()) {
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return NS_ERROR_DOM_RETVAL_UNDEFINED;
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} else {
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nsAutoJSString result;
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if (!result.init(cx, v)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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char *bytes;
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uint32_t bytesLen;
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NS_NAMED_LITERAL_CSTRING(isoCharset, "ISO-8859-1");
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NS_NAMED_LITERAL_CSTRING(utf8Charset, "UTF-8");
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const nsCString *charset;
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if (IsISO88591(result)) {
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// For compatibility, if the result is ISO-8859-1, we use
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// ISO-8859-1, so that people can compatibly create images
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// using javascript: URLs.
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bytes = ToNewCString(result);
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bytesLen = result.Length();
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charset = &isoCharset;
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}
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else {
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bytes = ToNewUTF8String(result, &bytesLen);
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charset = &utf8Charset;
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}
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aChannel->SetContentCharset(*charset);
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if (bytes)
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rv = NS_NewByteInputStream(getter_AddRefs(mInnerStream),
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bytes, bytesLen,
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NS_ASSIGNMENT_ADOPT);
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else
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rv = NS_ERROR_OUT_OF_MEMORY;
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}
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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class nsJSChannel : public nsIChannel,
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public nsIStreamListener,
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public nsIScriptChannel,
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public nsIPropertyBag2
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{
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public:
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nsJSChannel();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUEST
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NS_DECL_NSICHANNEL
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSISCRIPTCHANNEL
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NS_FORWARD_SAFE_NSIPROPERTYBAG(mPropertyBag)
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NS_FORWARD_SAFE_NSIPROPERTYBAG2(mPropertyBag)
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nsresult Init(nsIURI *aURI);
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// Actually evaluate the script.
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void EvaluateScript();
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protected:
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virtual ~nsJSChannel();
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nsresult StopAll();
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void NotifyListener();
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void CleanupStrongRefs();
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protected:
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nsCOMPtr<nsIChannel> mStreamChannel;
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nsCOMPtr<nsIPropertyBag2> mPropertyBag;
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nsCOMPtr<nsIStreamListener> mListener; // Our final listener
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nsCOMPtr<nsISupports> mContext; // The context passed to AsyncOpen
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nsCOMPtr<nsPIDOMWindow> mOriginalInnerWindow; // The inner window our load
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// started against.
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// If we blocked onload on a document in AsyncOpen, this is the document we
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// did it on.
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nsCOMPtr<nsIDocument> mDocumentOnloadBlockedOn;
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nsresult mStatus; // Our status
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nsLoadFlags mLoadFlags;
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nsLoadFlags mActualLoadFlags; // See AsyncOpen
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nsRefPtr<nsJSThunk> mIOThunk;
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PopupControlState mPopupState;
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uint32_t mExecutionPolicy;
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bool mIsAsync;
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bool mIsActive;
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bool mOpenedStreamChannel;
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};
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nsJSChannel::nsJSChannel() :
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mStatus(NS_OK),
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mLoadFlags(LOAD_NORMAL),
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mActualLoadFlags(LOAD_NORMAL),
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mPopupState(openOverridden),
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mExecutionPolicy(NO_EXECUTION),
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mIsAsync(true),
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mIsActive(false),
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mOpenedStreamChannel(false)
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{
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}
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nsJSChannel::~nsJSChannel()
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{
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}
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nsresult nsJSChannel::StopAll()
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{
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nsresult rv = NS_ERROR_UNEXPECTED;
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nsCOMPtr<nsIWebNavigation> webNav;
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NS_QueryNotificationCallbacks(mStreamChannel, webNav);
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NS_ASSERTION(webNav, "Can't get nsIWebNavigation from channel!");
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if (webNav) {
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rv = webNav->Stop(nsIWebNavigation::STOP_ALL);
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}
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return rv;
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}
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nsresult nsJSChannel::Init(nsIURI *aURI)
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{
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nsRefPtr<nsJSURI> jsURI;
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nsresult rv = aURI->QueryInterface(kJSURICID,
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getter_AddRefs(jsURI));
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NS_ENSURE_SUCCESS(rv, rv);
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// Create the nsIStreamIO layer used by the nsIStreamIOChannel.
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mIOThunk = new nsJSThunk();
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if (!mIOThunk)
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return NS_ERROR_OUT_OF_MEMORY;
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// Create a stock input stream channel...
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// Remember, until AsyncOpen is called, the script will not be evaluated
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// and the underlying Input Stream will not be created...
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nsCOMPtr<nsIChannel> channel;
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// If the resultant script evaluation actually does return a value, we
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// treat it as html.
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rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aURI, mIOThunk,
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NS_LITERAL_CSTRING("text/html"));
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||
|
if (NS_FAILED(rv)) return rv;
|
||
|
|
||
|
rv = mIOThunk->Init(aURI);
|
||
|
if (NS_SUCCEEDED(rv)) {
|
||
|
mStreamChannel = channel;
|
||
|
mPropertyBag = do_QueryInterface(channel);
|
||
|
nsCOMPtr<nsIWritablePropertyBag2> writableBag =
|
||
|
do_QueryInterface(channel);
|
||
|
if (writableBag && jsURI->GetBaseURI()) {
|
||
|
writableBag->SetPropertyAsInterface(NS_LITERAL_STRING("baseURI"),
|
||
|
jsURI->GetBaseURI());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// nsISupports implementation...
|
||
|
//
|
||
|
|
||
|
NS_IMPL_ISUPPORTS(nsJSChannel, nsIChannel, nsIRequest, nsIRequestObserver,
|
||
|
nsIStreamListener, nsIScriptChannel, nsIPropertyBag,
|
||
|
nsIPropertyBag2)
|
||
|
|
||
|
//
|
||
|
// nsIRequest implementation...
|
||
|
//
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetName(nsACString &aResult)
|
||
|
{
|
||
|
return mStreamChannel->GetName(aResult);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::IsPending(bool *aResult)
|
||
|
{
|
||
|
*aResult = mIsActive;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetStatus(nsresult *aResult)
|
||
|
{
|
||
|
if (NS_SUCCEEDED(mStatus) && mOpenedStreamChannel) {
|
||
|
return mStreamChannel->GetStatus(aResult);
|
||
|
}
|
||
|
|
||
|
*aResult = mStatus;
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::Cancel(nsresult aStatus)
|
||
|
{
|
||
|
mStatus = aStatus;
|
||
|
|
||
|
if (mOpenedStreamChannel) {
|
||
|
mStreamChannel->Cancel(aStatus);
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::Suspend()
|
||
|
{
|
||
|
return mStreamChannel->Suspend();
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::Resume()
|
||
|
{
|
||
|
return mStreamChannel->Resume();
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// nsIChannel implementation
|
||
|
//
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetOriginalURI(nsIURI * *aURI)
|
||
|
{
|
||
|
return mStreamChannel->GetOriginalURI(aURI);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetOriginalURI(nsIURI *aURI)
|
||
|
{
|
||
|
return mStreamChannel->SetOriginalURI(aURI);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetURI(nsIURI * *aURI)
|
||
|
{
|
||
|
return mStreamChannel->GetURI(aURI);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::Open(nsIInputStream **aResult)
|
||
|
{
|
||
|
nsresult rv = mIOThunk->EvaluateScript(mStreamChannel, mPopupState,
|
||
|
mExecutionPolicy,
|
||
|
mOriginalInnerWindow);
|
||
|
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
|
||
|
return mStreamChannel->Open(aResult);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext)
|
||
|
{
|
||
|
NS_ENSURE_ARG(aListener);
|
||
|
|
||
|
// First make sure that we have a usable inner window; we'll want to make
|
||
|
// sure that we execute against that inner and no other.
|
||
|
nsIScriptGlobalObject* global = GetGlobalObject(this);
|
||
|
if (!global) {
|
||
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
}
|
||
|
|
||
|
nsCOMPtr<nsPIDOMWindow> win(do_QueryInterface(global));
|
||
|
NS_ASSERTION(win, "Our global is not a window??");
|
||
|
|
||
|
// Make sure we create a new inner window if one doesn't already exist (see
|
||
|
// bug 306630).
|
||
|
mOriginalInnerWindow = win->EnsureInnerWindow();
|
||
|
if (!mOriginalInnerWindow) {
|
||
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
}
|
||
|
|
||
|
mListener = aListener;
|
||
|
mContext = aContext;
|
||
|
|
||
|
mIsActive = true;
|
||
|
|
||
|
// Temporarily set the LOAD_BACKGROUND flag to suppress load group observer
|
||
|
// notifications (and hence nsIWebProgressListener notifications) from
|
||
|
// being dispatched. This is required since we suppress LOAD_DOCUMENT_URI,
|
||
|
// which means that the DocLoader would not generate document start and
|
||
|
// stop notifications (see bug 257875).
|
||
|
mActualLoadFlags = mLoadFlags;
|
||
|
mLoadFlags |= LOAD_BACKGROUND;
|
||
|
|
||
|
// Add the javascript channel to its loadgroup so that we know if
|
||
|
// network loads were canceled or not...
|
||
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
||
|
mStreamChannel->GetLoadGroup(getter_AddRefs(loadGroup));
|
||
|
if (loadGroup) {
|
||
|
nsresult rv = loadGroup->AddRequest(this, nullptr);
|
||
|
if (NS_FAILED(rv)) {
|
||
|
mIsActive = false;
|
||
|
CleanupStrongRefs();
|
||
|
return rv;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
mDocumentOnloadBlockedOn = mOriginalInnerWindow->GetExtantDoc();
|
||
|
if (mDocumentOnloadBlockedOn) {
|
||
|
// If we're a document channel, we need to actually block onload on our
|
||
|
// _parent_ document. This is because we don't actually set our
|
||
|
// LOAD_DOCUMENT_URI flag, so a docloader we're loading in as the
|
||
|
// document channel will claim to not be busy, and our parent's onload
|
||
|
// could fire too early.
|
||
|
nsLoadFlags loadFlags;
|
||
|
mStreamChannel->GetLoadFlags(&loadFlags);
|
||
|
if (loadFlags & LOAD_DOCUMENT_URI) {
|
||
|
mDocumentOnloadBlockedOn =
|
||
|
mDocumentOnloadBlockedOn->GetParentDocument();
|
||
|
}
|
||
|
}
|
||
|
if (mDocumentOnloadBlockedOn) {
|
||
|
mDocumentOnloadBlockedOn->BlockOnload();
|
||
|
}
|
||
|
|
||
|
|
||
|
mPopupState = win->GetPopupControlState();
|
||
|
|
||
|
void (nsJSChannel::*method)();
|
||
|
if (mIsAsync) {
|
||
|
// post an event to do the rest
|
||
|
method = &nsJSChannel::EvaluateScript;
|
||
|
} else {
|
||
|
EvaluateScript();
|
||
|
if (mOpenedStreamChannel) {
|
||
|
// That will handle notifying things
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_ASSERTION(NS_FAILED(mStatus), "We should have failed _somehow_");
|
||
|
|
||
|
// mStatus is going to be NS_ERROR_DOM_RETVAL_UNDEFINED if we didn't
|
||
|
// have any content resulting from the execution and NS_BINDING_ABORTED
|
||
|
// if something we did causes our own load to be stopped. Return
|
||
|
// success in those cases, and error out in all others.
|
||
|
if (mStatus != NS_ERROR_DOM_RETVAL_UNDEFINED &&
|
||
|
mStatus != NS_BINDING_ABORTED) {
|
||
|
// Note that calling EvaluateScript() handled removing us from the
|
||
|
// loadgroup and marking us as not active anymore.
|
||
|
CleanupStrongRefs();
|
||
|
return mStatus;
|
||
|
}
|
||
|
|
||
|
// We're returning success from asyncOpen(), but we didn't open a
|
||
|
// stream channel. We'll have to notify ourselves, but make sure to do
|
||
|
// it asynchronously.
|
||
|
method = &nsJSChannel::NotifyListener;
|
||
|
}
|
||
|
|
||
|
nsCOMPtr<nsIRunnable> ev = NS_NewRunnableMethod(this, method);
|
||
|
nsresult rv = NS_DispatchToCurrentThread(ev);
|
||
|
|
||
|
if (NS_FAILED(rv)) {
|
||
|
loadGroup->RemoveRequest(this, nullptr, rv);
|
||
|
mIsActive = false;
|
||
|
CleanupStrongRefs();
|
||
|
}
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
nsJSChannel::EvaluateScript()
|
||
|
{
|
||
|
// Synchronously execute the script...
|
||
|
// mIsActive is used to indicate the the request is 'busy' during the
|
||
|
// the script evaluation phase. This means that IsPending() will
|
||
|
// indicate the the request is busy while the script is executing...
|
||
|
|
||
|
// Note that we want to be in the loadgroup and pending while we evaluate
|
||
|
// the script, so that we find out if the loadgroup gets canceled by the
|
||
|
// script execution (in which case we shouldn't pump out data even if the
|
||
|
// script returns it).
|
||
|
|
||
|
if (NS_SUCCEEDED(mStatus)) {
|
||
|
nsresult rv = mIOThunk->EvaluateScript(mStreamChannel, mPopupState,
|
||
|
mExecutionPolicy,
|
||
|
mOriginalInnerWindow);
|
||
|
|
||
|
// Note that evaluation may have canceled us, so recheck mStatus again
|
||
|
if (NS_FAILED(rv) && NS_SUCCEEDED(mStatus)) {
|
||
|
mStatus = rv;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Remove the javascript channel from its loadgroup...
|
||
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
||
|
mStreamChannel->GetLoadGroup(getter_AddRefs(loadGroup));
|
||
|
if (loadGroup) {
|
||
|
loadGroup->RemoveRequest(this, nullptr, mStatus);
|
||
|
}
|
||
|
|
||
|
// Reset load flags to their original value...
|
||
|
mLoadFlags = mActualLoadFlags;
|
||
|
|
||
|
// We're no longer active, it's now up to the stream channel to do
|
||
|
// the loading, if needed.
|
||
|
mIsActive = false;
|
||
|
|
||
|
if (NS_FAILED(mStatus)) {
|
||
|
if (mIsAsync) {
|
||
|
NotifyListener();
|
||
|
}
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
// EvaluateScript() succeeded, and we were not canceled, that
|
||
|
// means there's data to parse as a result of evaluating the
|
||
|
// script.
|
||
|
|
||
|
// Get the stream channels load flags (!= mLoadFlags).
|
||
|
nsLoadFlags loadFlags;
|
||
|
mStreamChannel->GetLoadFlags(&loadFlags);
|
||
|
|
||
|
uint32_t disposition;
|
||
|
if (NS_FAILED(mStreamChannel->GetContentDisposition(&disposition)))
|
||
|
disposition = nsIChannel::DISPOSITION_INLINE;
|
||
|
if (loadFlags & LOAD_DOCUMENT_URI && disposition != nsIChannel::DISPOSITION_ATTACHMENT) {
|
||
|
// We're loaded as the document channel and not expecting to download
|
||
|
// the result. If we go on, we'll blow away the current document. Make
|
||
|
// sure that's ok. If so, stop all pending network loads.
|
||
|
|
||
|
nsCOMPtr<nsIDocShell> docShell;
|
||
|
NS_QueryNotificationCallbacks(mStreamChannel, docShell);
|
||
|
if (docShell) {
|
||
|
nsCOMPtr<nsIContentViewer> cv;
|
||
|
docShell->GetContentViewer(getter_AddRefs(cv));
|
||
|
|
||
|
if (cv) {
|
||
|
bool okToUnload;
|
||
|
|
||
|
if (NS_SUCCEEDED(cv->PermitUnload(false, &okToUnload)) &&
|
||
|
!okToUnload) {
|
||
|
// The user didn't want to unload the current
|
||
|
// page, translate this into an undefined
|
||
|
// return from the javascript: URL...
|
||
|
mStatus = NS_ERROR_DOM_RETVAL_UNDEFINED;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (NS_SUCCEEDED(mStatus)) {
|
||
|
mStatus = StopAll();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (NS_FAILED(mStatus)) {
|
||
|
if (mIsAsync) {
|
||
|
NotifyListener();
|
||
|
}
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
mStatus = mStreamChannel->AsyncOpen(this, mContext);
|
||
|
if (NS_SUCCEEDED(mStatus)) {
|
||
|
// mStreamChannel will call OnStartRequest and OnStopRequest on
|
||
|
// us, so we'll be sure to call them on our listener.
|
||
|
mOpenedStreamChannel = true;
|
||
|
|
||
|
// Now readd ourselves to the loadgroup so we can receive
|
||
|
// cancellation notifications.
|
||
|
mIsActive = true;
|
||
|
if (loadGroup) {
|
||
|
mStatus = loadGroup->AddRequest(this, nullptr);
|
||
|
|
||
|
// If AddRequest failed, that's OK. The key is to make sure we get
|
||
|
// cancelled if needed, and that call just canceled us if it
|
||
|
// failed. We'll still get notified by the stream channel when it
|
||
|
// finishes.
|
||
|
}
|
||
|
|
||
|
} else if (mIsAsync) {
|
||
|
NotifyListener();
|
||
|
}
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
nsJSChannel::NotifyListener()
|
||
|
{
|
||
|
mListener->OnStartRequest(this, mContext);
|
||
|
mListener->OnStopRequest(this, mContext, mStatus);
|
||
|
|
||
|
CleanupStrongRefs();
|
||
|
}
|
||
|
|
||
|
void
|
||
|
nsJSChannel::CleanupStrongRefs()
|
||
|
{
|
||
|
mListener = nullptr;
|
||
|
mContext = nullptr;
|
||
|
mOriginalInnerWindow = nullptr;
|
||
|
if (mDocumentOnloadBlockedOn) {
|
||
|
mDocumentOnloadBlockedOn->UnblockOnload(false);
|
||
|
mDocumentOnloadBlockedOn = nullptr;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetLoadFlags(nsLoadFlags *aLoadFlags)
|
||
|
{
|
||
|
*aLoadFlags = mLoadFlags;
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetLoadFlags(nsLoadFlags aLoadFlags)
|
||
|
{
|
||
|
// Figure out whether the LOAD_BACKGROUND bit in aLoadFlags is
|
||
|
// actually right.
|
||
|
bool bogusLoadBackground = false;
|
||
|
if (mIsActive && !(mActualLoadFlags & LOAD_BACKGROUND) &&
|
||
|
(aLoadFlags & LOAD_BACKGROUND)) {
|
||
|
// We're getting a LOAD_BACKGROUND, but it's probably just our own fake
|
||
|
// flag being mirrored to us. The one exception is if our loadgroup is
|
||
|
// LOAD_BACKGROUND.
|
||
|
bool loadGroupIsBackground = false;
|
||
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
||
|
mStreamChannel->GetLoadGroup(getter_AddRefs(loadGroup));
|
||
|
if (loadGroup) {
|
||
|
nsLoadFlags loadGroupFlags;
|
||
|
loadGroup->GetLoadFlags(&loadGroupFlags);
|
||
|
loadGroupIsBackground = ((loadGroupFlags & LOAD_BACKGROUND) != 0);
|
||
|
}
|
||
|
bogusLoadBackground = !loadGroupIsBackground;
|
||
|
}
|
||
|
|
||
|
// Classifying a javascript: URI doesn't help us, and requires
|
||
|
// NSS to boot, which we don't have in content processes. See
|
||
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=617838.
|
||
|
aLoadFlags &= ~LOAD_CLASSIFY_URI;
|
||
|
|
||
|
// Since the javascript channel is never the actual channel that
|
||
|
// any data is loaded through, don't ever set the
|
||
|
// LOAD_DOCUMENT_URI flag on it, since that could lead to two
|
||
|
// 'document channels' in the loadgroup if a javascript: URL is
|
||
|
// loaded while a document is being loaded in the same window.
|
||
|
|
||
|
// XXXbz this, and a whole lot of other hackery, could go away if we'd just
|
||
|
// cancel the current document load on javascript: load start like IE does.
|
||
|
|
||
|
mLoadFlags = aLoadFlags & ~LOAD_DOCUMENT_URI;
|
||
|
|
||
|
if (bogusLoadBackground) {
|
||
|
aLoadFlags = aLoadFlags & ~LOAD_BACKGROUND;
|
||
|
}
|
||
|
|
||
|
mActualLoadFlags = aLoadFlags;
|
||
|
|
||
|
// ... but the underlying stream channel should get this bit, if
|
||
|
// set, since that'll be the real document channel if the
|
||
|
// javascript: URL generated data.
|
||
|
|
||
|
return mStreamChannel->SetLoadFlags(aLoadFlags);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
|
||
|
{
|
||
|
return mStreamChannel->GetLoadGroup(aLoadGroup);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
|
||
|
{
|
||
|
if (aLoadGroup) {
|
||
|
bool streamPending;
|
||
|
nsresult rv = mStreamChannel->IsPending(&streamPending);
|
||
|
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
|
||
|
if (streamPending) {
|
||
|
nsCOMPtr<nsILoadGroup> curLoadGroup;
|
||
|
mStreamChannel->GetLoadGroup(getter_AddRefs(curLoadGroup));
|
||
|
|
||
|
if (aLoadGroup != curLoadGroup) {
|
||
|
// Move the stream channel to our new loadgroup. Make sure to
|
||
|
// add it before removing it, so that we don't trigger onload
|
||
|
// by accident.
|
||
|
aLoadGroup->AddRequest(mStreamChannel, nullptr);
|
||
|
if (curLoadGroup) {
|
||
|
curLoadGroup->RemoveRequest(mStreamChannel, nullptr,
|
||
|
NS_BINDING_RETARGETED);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return mStreamChannel->SetLoadGroup(aLoadGroup);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetOwner(nsISupports* *aOwner)
|
||
|
{
|
||
|
return mStreamChannel->GetOwner(aOwner);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetOwner(nsISupports* aOwner)
|
||
|
{
|
||
|
return mStreamChannel->SetOwner(aOwner);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetLoadInfo(nsILoadInfo* *aLoadInfo)
|
||
|
{
|
||
|
return mStreamChannel->GetLoadInfo(aLoadInfo);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetLoadInfo(nsILoadInfo* aLoadInfo)
|
||
|
{
|
||
|
return mStreamChannel->SetLoadInfo(aLoadInfo);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aCallbacks)
|
||
|
{
|
||
|
return mStreamChannel->GetNotificationCallbacks(aCallbacks);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aCallbacks)
|
||
|
{
|
||
|
return mStreamChannel->SetNotificationCallbacks(aCallbacks);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetSecurityInfo(nsISupports * *aSecurityInfo)
|
||
|
{
|
||
|
return mStreamChannel->GetSecurityInfo(aSecurityInfo);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetContentType(nsACString &aContentType)
|
||
|
{
|
||
|
return mStreamChannel->GetContentType(aContentType);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetContentType(const nsACString &aContentType)
|
||
|
{
|
||
|
return mStreamChannel->SetContentType(aContentType);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetContentCharset(nsACString &aContentCharset)
|
||
|
{
|
||
|
return mStreamChannel->GetContentCharset(aContentCharset);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetContentCharset(const nsACString &aContentCharset)
|
||
|
{
|
||
|
return mStreamChannel->SetContentCharset(aContentCharset);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetContentDisposition(uint32_t *aContentDisposition)
|
||
|
{
|
||
|
return mStreamChannel->GetContentDisposition(aContentDisposition);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetContentDisposition(uint32_t aContentDisposition)
|
||
|
{
|
||
|
return mStreamChannel->SetContentDisposition(aContentDisposition);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetContentDispositionFilename(nsAString &aContentDispositionFilename)
|
||
|
{
|
||
|
return mStreamChannel->GetContentDispositionFilename(aContentDispositionFilename);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetContentDispositionFilename(const nsAString &aContentDispositionFilename)
|
||
|
{
|
||
|
return mStreamChannel->SetContentDispositionFilename(aContentDispositionFilename);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetContentDispositionHeader(nsACString &aContentDispositionHeader)
|
||
|
{
|
||
|
return mStreamChannel->GetContentDispositionHeader(aContentDispositionHeader);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetContentLength(int64_t *aContentLength)
|
||
|
{
|
||
|
return mStreamChannel->GetContentLength(aContentLength);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetContentLength(int64_t aContentLength)
|
||
|
{
|
||
|
return mStreamChannel->SetContentLength(aContentLength);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::OnStartRequest(nsIRequest* aRequest,
|
||
|
nsISupports* aContext)
|
||
|
{
|
||
|
NS_ENSURE_TRUE(aRequest == mStreamChannel, NS_ERROR_UNEXPECTED);
|
||
|
|
||
|
return mListener->OnStartRequest(this, aContext);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::OnDataAvailable(nsIRequest* aRequest,
|
||
|
nsISupports* aContext,
|
||
|
nsIInputStream* aInputStream,
|
||
|
uint64_t aOffset,
|
||
|
uint32_t aCount)
|
||
|
{
|
||
|
NS_ENSURE_TRUE(aRequest == mStreamChannel, NS_ERROR_UNEXPECTED);
|
||
|
|
||
|
return mListener->OnDataAvailable(this, aContext, aInputStream, aOffset,
|
||
|
aCount);
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::OnStopRequest(nsIRequest* aRequest,
|
||
|
nsISupports* aContext,
|
||
|
nsresult aStatus)
|
||
|
{
|
||
|
NS_ENSURE_TRUE(aRequest == mStreamChannel, NS_ERROR_UNEXPECTED);
|
||
|
|
||
|
nsCOMPtr<nsIStreamListener> listener = mListener;
|
||
|
|
||
|
CleanupStrongRefs();
|
||
|
|
||
|
// Make sure aStatus matches what GetStatus() returns
|
||
|
if (NS_FAILED(mStatus)) {
|
||
|
aStatus = mStatus;
|
||
|
}
|
||
|
|
||
|
nsresult rv = listener->OnStopRequest(this, aContext, aStatus);
|
||
|
|
||
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
||
|
mStreamChannel->GetLoadGroup(getter_AddRefs(loadGroup));
|
||
|
if (loadGroup) {
|
||
|
loadGroup->RemoveRequest(this, nullptr, mStatus);
|
||
|
}
|
||
|
|
||
|
mIsActive = false;
|
||
|
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetExecutionPolicy(uint32_t aPolicy)
|
||
|
{
|
||
|
NS_ENSURE_ARG(aPolicy <= EXECUTE_NORMAL);
|
||
|
|
||
|
mExecutionPolicy = aPolicy;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetExecutionPolicy(uint32_t* aPolicy)
|
||
|
{
|
||
|
*aPolicy = mExecutionPolicy;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::SetExecuteAsync(bool aIsAsync)
|
||
|
{
|
||
|
if (!mIsActive) {
|
||
|
mIsAsync = aIsAsync;
|
||
|
}
|
||
|
// else ignore this call
|
||
|
NS_WARN_IF_FALSE(!mIsActive, "Calling SetExecuteAsync on active channel?");
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSChannel::GetExecuteAsync(bool* aIsAsync)
|
||
|
{
|
||
|
*aIsAsync = mIsAsync;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
nsJSProtocolHandler::nsJSProtocolHandler()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
nsJSProtocolHandler::Init()
|
||
|
{
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
nsJSProtocolHandler::~nsJSProtocolHandler()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
NS_IMPL_ISUPPORTS(nsJSProtocolHandler, nsIProtocolHandler)
|
||
|
|
||
|
nsresult
|
||
|
nsJSProtocolHandler::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
|
||
|
{
|
||
|
if (aOuter)
|
||
|
return NS_ERROR_NO_AGGREGATION;
|
||
|
|
||
|
nsJSProtocolHandler* ph = new nsJSProtocolHandler();
|
||
|
if (!ph)
|
||
|
return NS_ERROR_OUT_OF_MEMORY;
|
||
|
NS_ADDREF(ph);
|
||
|
nsresult rv = ph->Init();
|
||
|
if (NS_SUCCEEDED(rv)) {
|
||
|
rv = ph->QueryInterface(aIID, aResult);
|
||
|
}
|
||
|
NS_RELEASE(ph);
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
nsresult
|
||
|
nsJSProtocolHandler::EnsureUTF8Spec(const nsAFlatCString &aSpec, const char *aCharset,
|
||
|
nsACString &aUTF8Spec)
|
||
|
{
|
||
|
aUTF8Spec.Truncate();
|
||
|
|
||
|
nsresult rv;
|
||
|
|
||
|
if (!mTextToSubURI) {
|
||
|
mTextToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
|
||
|
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
}
|
||
|
nsAutoString uStr;
|
||
|
rv = mTextToSubURI->UnEscapeNonAsciiURI(nsDependentCString(aCharset), aSpec, uStr);
|
||
|
NS_ENSURE_SUCCESS(rv, rv);
|
||
|
|
||
|
if (!IsASCII(uStr))
|
||
|
NS_EscapeURL(NS_ConvertUTF16toUTF8(uStr), esc_AlwaysCopy | esc_OnlyNonASCII, aUTF8Spec);
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
// nsIProtocolHandler methods:
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSProtocolHandler::GetScheme(nsACString &result)
|
||
|
{
|
||
|
result = "javascript";
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSProtocolHandler::GetDefaultPort(int32_t *result)
|
||
|
{
|
||
|
*result = -1; // no port for javascript: URLs
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSProtocolHandler::GetProtocolFlags(uint32_t *result)
|
||
|
{
|
||
|
*result = URI_NORELATIVE | URI_NOAUTH | URI_INHERITS_SECURITY_CONTEXT |
|
||
|
URI_LOADABLE_BY_ANYONE | URI_NON_PERSISTABLE | URI_OPENING_EXECUTES_SCRIPT;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSProtocolHandler::NewURI(const nsACString &aSpec,
|
||
|
const char *aCharset,
|
||
|
nsIURI *aBaseURI,
|
||
|
nsIURI **result)
|
||
|
{
|
||
|
nsresult rv;
|
||
|
|
||
|
// javascript: URLs (currently) have no additional structure beyond that
|
||
|
// provided by standard URLs, so there is no "outer" object given to
|
||
|
// CreateInstance.
|
||
|
|
||
|
nsCOMPtr<nsIURI> url = new nsJSURI(aBaseURI);
|
||
|
|
||
|
if (!aCharset || !nsCRT::strcasecmp("UTF-8", aCharset))
|
||
|
rv = url->SetSpec(aSpec);
|
||
|
else {
|
||
|
nsAutoCString utf8Spec;
|
||
|
rv = EnsureUTF8Spec(PromiseFlatCString(aSpec), aCharset, utf8Spec);
|
||
|
if (NS_SUCCEEDED(rv)) {
|
||
|
if (utf8Spec.IsEmpty())
|
||
|
rv = url->SetSpec(aSpec);
|
||
|
else
|
||
|
rv = url->SetSpec(utf8Spec);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (NS_FAILED(rv)) {
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
url.forget(result);
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSProtocolHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
|
||
|
{
|
||
|
nsresult rv;
|
||
|
nsJSChannel * channel;
|
||
|
|
||
|
NS_ENSURE_ARG_POINTER(uri);
|
||
|
|
||
|
channel = new nsJSChannel();
|
||
|
if (!channel) {
|
||
|
return NS_ERROR_OUT_OF_MEMORY;
|
||
|
}
|
||
|
NS_ADDREF(channel);
|
||
|
|
||
|
rv = channel->Init(uri);
|
||
|
if (NS_SUCCEEDED(rv)) {
|
||
|
*result = channel;
|
||
|
NS_ADDREF(*result);
|
||
|
}
|
||
|
NS_RELEASE(channel);
|
||
|
return rv;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
|
||
|
{
|
||
|
// don't override anything.
|
||
|
*_retval = false;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
////////////////////////////////////////////////////////////
|
||
|
// nsJSURI implementation
|
||
|
static NS_DEFINE_CID(kThisSimpleURIImplementationCID,
|
||
|
NS_THIS_SIMPLEURI_IMPLEMENTATION_CID);
|
||
|
|
||
|
|
||
|
NS_IMPL_ADDREF_INHERITED(nsJSURI, nsSimpleURI)
|
||
|
NS_IMPL_RELEASE_INHERITED(nsJSURI, nsSimpleURI)
|
||
|
|
||
|
NS_INTERFACE_MAP_BEGIN(nsJSURI)
|
||
|
if (aIID.Equals(kJSURICID))
|
||
|
foundInterface = static_cast<nsIURI*>(this);
|
||
|
else if (aIID.Equals(kThisSimpleURIImplementationCID)) {
|
||
|
// Need to return explicitly here, because if we just set foundInterface
|
||
|
// to null the NS_INTERFACE_MAP_END_INHERITING will end up calling into
|
||
|
// nsSimplURI::QueryInterface and finding something for this CID.
|
||
|
*aInstancePtr = nullptr;
|
||
|
return NS_NOINTERFACE;
|
||
|
}
|
||
|
else
|
||
|
NS_INTERFACE_MAP_END_INHERITING(nsSimpleURI)
|
||
|
|
||
|
// nsISerializable methods:
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSURI::Read(nsIObjectInputStream* aStream)
|
||
|
{
|
||
|
nsresult rv = nsSimpleURI::Read(aStream);
|
||
|
if (NS_FAILED(rv)) return rv;
|
||
|
|
||
|
bool haveBase;
|
||
|
rv = aStream->ReadBoolean(&haveBase);
|
||
|
if (NS_FAILED(rv)) return rv;
|
||
|
|
||
|
if (haveBase) {
|
||
|
nsCOMPtr<nsISupports> supports;
|
||
|
rv = aStream->ReadObject(true, getter_AddRefs(supports));
|
||
|
if (NS_FAILED(rv)) return rv;
|
||
|
mBaseURI = do_QueryInterface(supports);
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSURI::Write(nsIObjectOutputStream* aStream)
|
||
|
{
|
||
|
nsresult rv = nsSimpleURI::Write(aStream);
|
||
|
if (NS_FAILED(rv)) return rv;
|
||
|
|
||
|
rv = aStream->WriteBoolean(mBaseURI != nullptr);
|
||
|
if (NS_FAILED(rv)) return rv;
|
||
|
|
||
|
if (mBaseURI) {
|
||
|
rv = aStream->WriteObject(mBaseURI, true);
|
||
|
if (NS_FAILED(rv)) return rv;
|
||
|
}
|
||
|
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
// nsSimpleURI methods:
|
||
|
/* virtual */ nsSimpleURI*
|
||
|
nsJSURI::StartClone(nsSimpleURI::RefHandlingEnum /* ignored */)
|
||
|
{
|
||
|
nsCOMPtr<nsIURI> baseClone;
|
||
|
if (mBaseURI) {
|
||
|
// Note: We preserve ref on *base* URI, regardless of ref handling mode.
|
||
|
nsresult rv = mBaseURI->Clone(getter_AddRefs(baseClone));
|
||
|
if (NS_FAILED(rv)) {
|
||
|
return nullptr;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return new nsJSURI(baseClone);
|
||
|
}
|
||
|
|
||
|
/* virtual */ nsresult
|
||
|
nsJSURI::EqualsInternal(nsIURI* aOther,
|
||
|
nsSimpleURI::RefHandlingEnum aRefHandlingMode,
|
||
|
bool* aResult)
|
||
|
{
|
||
|
NS_ENSURE_ARG_POINTER(aOther);
|
||
|
NS_PRECONDITION(aResult, "null pointer for outparam");
|
||
|
|
||
|
nsRefPtr<nsJSURI> otherJSURI;
|
||
|
nsresult rv = aOther->QueryInterface(kJSURICID,
|
||
|
getter_AddRefs(otherJSURI));
|
||
|
if (NS_FAILED(rv)) {
|
||
|
*aResult = false; // aOther is not a nsJSURI --> not equal.
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
// Compare the member data that our base class knows about.
|
||
|
if (!nsSimpleURI::EqualsInternal(otherJSURI, aRefHandlingMode)) {
|
||
|
*aResult = false;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
// Compare the piece of additional member data that we add to base class.
|
||
|
nsIURI* otherBaseURI = otherJSURI->GetBaseURI();
|
||
|
|
||
|
if (mBaseURI) {
|
||
|
// (As noted in StartClone, we always honor refs on mBaseURI)
|
||
|
return mBaseURI->Equals(otherBaseURI, aResult);
|
||
|
}
|
||
|
|
||
|
*aResult = !otherBaseURI;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|
||
|
NS_IMETHODIMP
|
||
|
nsJSURI::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
|
||
|
{
|
||
|
*aClassIDNoAlloc = kJSURICID;
|
||
|
return NS_OK;
|
||
|
}
|
||
|
|