uint32_t
GetContentSize(nsIRequest* aRequest)
{
// Use content-length as a size hint for http channels.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequest));
if (httpChannel) {
nsAutoCString contentLength;
nsresult rv = httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("content-length"),
contentLength);
if (NS_SUCCEEDED(rv)) {
return std::max(contentLength.ToInteger(&rv), 0);
}
}
// Use the file size as a size hint for file channels.
nsCOMPtr<nsIFileChannel> fileChannel(do_QueryInterface(aRequest));
if (fileChannel) {
nsCOMPtr<nsIFile> file;
nsresult rv = fileChannel->GetFile(getter_AddRefs(file));
if (NS_SUCCEEDED(rv)) {
int64_t filesize;
rv = file->GetFileSize(&filesize);
if (NS_SUCCEEDED(rv)) {
return std::max(SaturateToInt32(filesize), 0);
}
}
}
// Fallback - neither http nor file. We'll use dynamic allocation.
return 0;
}
NS_IMETHODIMP
nsPluginByteRangeStreamListener::OnStartRequest(nsIRequest *request, nsISupports *ctxt)
{
nsresult rv;
nsCOMPtr<nsIStreamListener> finalStreamListener = do_QueryReferent(mWeakPtrPluginStreamListenerPeer);
if (!finalStreamListener)
return NS_ERROR_FAILURE;
nsPluginStreamListenerPeer *pslp =
static_cast<nsPluginStreamListenerPeer*>(finalStreamListener.get());
NS_ASSERTION(pslp->mRequests.IndexOfObject(GetBaseRequest(request)) != -1,
"Untracked byte-range request?");
nsCOMPtr<nsIStreamConverterService> serv = do_GetService(NS_STREAMCONVERTERSERVICE_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = serv->AsyncConvertData(MULTIPART_BYTERANGES,
"*/*",
finalStreamListener,
nsnull,
getter_AddRefs(mStreamConverter));
if (NS_SUCCEEDED(rv)) {
rv = mStreamConverter->OnStartRequest(request, ctxt);
if (NS_SUCCEEDED(rv))
return rv;
}
}
mStreamConverter = 0;
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(request));
if (!httpChannel) {
return NS_ERROR_FAILURE;
}
PRUint32 responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
if (responseCode != 200) {
PRBool bWantsAllNetworkStreams = PR_FALSE;
pslp->GetPluginInstance()->
GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
(void*)&bWantsAllNetworkStreams);
if (!bWantsAllNetworkStreams){
return NS_ERROR_FAILURE;
}
}
// if server cannot continue with byte range (206 status) and sending us whole object (200 status)
// reset this seekable stream & try serve it to plugin instance as a file
mStreamConverter = finalStreamListener;
mRemoveMagicNumber = PR_TRUE;
rv = pslp->ServeStreamAsFile(request, ctxt);
return rv;
}
static nsresult
RequestSucceeded(nsIXMLHttpRequest* aRequest, PRBool* aReturn)
{
NS_ENSURE_ARG_POINTER(aRequest);
nsresult rv;
nsCOMPtr<nsIChannel> channel;
aRequest->GetChannel(getter_AddRefs(channel));
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel, &rv));
NS_ENSURE_TRUE(httpChannel, rv);
return httpChannel->GetRequestSucceeded(aReturn);
}
nsresult
txCompileObserver::startLoad(nsIURI* aUri, txStylesheetCompiler* aCompiler,
nsIPrincipal* aReferrerPrincipal)
{
nsCOMPtr<nsIChannel> channel;
nsresult rv = NS_NewChannel(getter_AddRefs(channel), aUri);
NS_ENSURE_SUCCESS(rv, rv);
channel->SetLoadGroup(mLoadGroup);
channel->SetContentType(NS_LITERAL_CSTRING("text/xml"));
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
NS_LITERAL_CSTRING("text/xml,application/xml,application/xhtml+xml,*/*;q=0.1"),
PR_FALSE);
nsCOMPtr<nsIURI> referrerURI;
aReferrerPrincipal->GetURI(getter_AddRefs(referrerURI));
if (referrerURI) {
httpChannel->SetReferrer(referrerURI);
}
}
nsCOMPtr<nsIParser> parser = do_CreateInstance(kCParserCID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<txStylesheetSink> sink = new txStylesheetSink(aCompiler, parser);
NS_ENSURE_TRUE(sink, NS_ERROR_OUT_OF_MEMORY);
channel->SetNotificationCallbacks(sink);
parser->SetCommand(kLoadAsData);
parser->SetContentSink(sink);
parser->Parse(aUri);
// Always install in case of redirects
nsCOMPtr<nsIStreamListener> listener =
new nsCrossSiteListenerProxy(sink, aReferrerPrincipal, channel,
PR_FALSE, &rv);
NS_ENSURE_TRUE(listener, NS_ERROR_OUT_OF_MEMORY);
NS_ENSURE_SUCCESS(rv, rv);
return channel->AsyncOpen(listener, parser);
}
nsresult
nsFeedSniffer::ConvertEncodedData(nsIRequest* request,
const uint8_t* data,
uint32_t length)
{
nsresult rv = NS_OK;
mDecodedData = "";
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(request));
if (!httpChannel)
return NS_ERROR_NO_INTERFACE;
nsCAutoString contentEncoding;
httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Content-Encoding"),
contentEncoding);
if (!contentEncoding.IsEmpty()) {
nsCOMPtr<nsIStreamConverterService> converterService(do_GetService(NS_STREAMCONVERTERSERVICE_CONTRACTID));
if (converterService) {
ToLowerCase(contentEncoding);
nsCOMPtr<nsIStreamListener> converter;
rv = converterService->AsyncConvertData(contentEncoding.get(),
"uncompressed", this, nullptr,
getter_AddRefs(converter));
NS_ENSURE_SUCCESS(rv, rv);
converter->OnStartRequest(request, nullptr);
nsCOMPtr<nsIStringInputStream> rawStream =
do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID);
if (!rawStream)
return NS_ERROR_FAILURE;
rv = rawStream->SetData((const char*)data, length);
NS_ENSURE_SUCCESS(rv, rv);
rv = converter->OnDataAvailable(request, nullptr, rawStream, 0, length);
NS_ENSURE_SUCCESS(rv, rv);
converter->OnStopRequest(request, nullptr, NS_OK);
}
}
return rv;
}
NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
PROFILER_LABEL("nsPluginStreamListenerPeer", "OnStartRequest",
js::ProfileEntry::Category::OTHER);
if (mRequests.IndexOfObject(GetBaseRequest(request)) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = true;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
uint32_t responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
uint32_t wantsAllNetworkStreams = 0;
// We don't always have an instance here already, but if we do, check
// to see if it wants all streams.
if (mPluginInstance) {
rv = mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
&wantsAllNetworkStreams);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(rv)) {
wantsAllNetworkStreams = 0;
}
}
if (!wantsAllNetworkStreams) {
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
}
}
nsAutoCString contentType;
rv = channel->GetContentType(contentType);
if (NS_FAILED(rv))
return rv;
// Check ShouldProcess with content policy
nsRefPtr<nsPluginInstanceOwner> owner;
if (mPluginInstance) {
owner = mPluginInstance->GetOwner();
}
nsCOMPtr<nsIDOMElement> element;
nsCOMPtr<nsIDocument> doc;
if (owner) {
owner->GetDOMElement(getter_AddRefs(element));
owner->GetDocument(getter_AddRefs(doc));
}
nsCOMPtr<nsIPrincipal> principal = doc ? doc->NodePrincipal() : nullptr;
int16_t shouldLoad = nsIContentPolicy::ACCEPT;
rv = NS_CheckContentProcessPolicy(nsIContentPolicy::TYPE_OBJECT_SUBREQUEST,
mURL,
principal,
element,
contentType,
nullptr,
&shouldLoad);
if (NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad)) {
mRequestFailed = true;
return NS_ERROR_CONTENT_BLOCKED;
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
int64_t length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length < 0 || length > UINT32_MAX) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = uint32_t(length);
}
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!contentType.IsEmpty())
mContentType = contentType;
#ifdef PLUGIN_LOGGING
MOZ_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, contentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) {
return rv;
}
return rv;
}
nsresult
nsPluginStreamListenerPeer::RequestRead(NPByteRange* rangeList)
{
nsAutoCString rangeString;
int32_t numRequests;
MakeByteRangeString(rangeList, rangeString, &numRequests);
if (numRequests == 0)
return NS_ERROR_FAILURE;
nsresult rv = NS_OK;
nsCOMPtr<nsIInterfaceRequestor> callbacks = do_QueryReferent(mWeakPtrChannelCallbacks);
nsCOMPtr<nsILoadGroup> loadGroup = do_QueryReferent(mWeakPtrChannelLoadGroup);
nsCOMPtr<nsIChannel> channel;
rv = NS_NewChannel(getter_AddRefs(channel), mURL, nullptr, loadGroup, callbacks);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (!httpChannel)
return NS_ERROR_FAILURE;
httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Range"), rangeString, false);
mAbort = true; // instruct old stream listener to cancel
// the request on the next ODA.
nsCOMPtr<nsIStreamListener> converter;
if (numRequests == 1) {
converter = this;
// set current stream offset equal to the first offset in the range list
// it will work for single byte range request
// for multy range we'll reset it in ODA
SetStreamOffset(rangeList->offset);
} else {
nsWeakPtr weakpeer =
do_GetWeakReference(static_cast<nsISupportsWeakReference*>(this));
nsPluginByteRangeStreamListener *brrListener =
new nsPluginByteRangeStreamListener(weakpeer);
if (brrListener)
converter = brrListener;
else
return NS_ERROR_OUT_OF_MEMORY;
}
mPendingRequests += numRequests;
nsCOMPtr<nsISupportsPRUint32> container = do_CreateInstance(NS_SUPPORTS_PRUINT32_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
rv = container->SetData(MAGIC_REQUEST_CONTEXT);
if (NS_FAILED(rv))
return rv;
rv = channel->AsyncOpen(converter, container);
if (NS_SUCCEEDED(rv))
TrackRequest(channel);
return rv;
}
nsresult
nsUserFontSet::StartLoad(gfxFontEntry *aFontToLoad,
const gfxFontFaceSrc *aFontFaceSrc)
{
nsresult rv;
// check same-site origin
nsIPresShell *ps = mPresContext->PresShell();
if (!ps)
return NS_ERROR_FAILURE;
NS_ASSERTION(aFontFaceSrc && !aFontFaceSrc->mIsLocal,
"bad font face url passed to fontloader");
NS_ASSERTION(aFontFaceSrc->mURI, "null font uri");
if (!aFontFaceSrc->mURI)
return NS_ERROR_FAILURE;
// use document principal, original principal if flag set
// this enables user stylesheets to load font files via
// @font-face rules
nsCOMPtr<nsIPrincipal> principal = ps->GetDocument()->NodePrincipal();
NS_ASSERTION(aFontFaceSrc->mOriginPrincipal,
"null origin principal in @font-face rule");
if (aFontFaceSrc->mUseOriginPrincipal) {
principal = do_QueryInterface(aFontFaceSrc->mOriginPrincipal);
}
rv = nsFontFaceLoader::CheckLoadAllowed(principal, aFontFaceSrc->mURI,
ps->GetDocument());
if (NS_FAILED(rv)) {
#ifdef PR_LOGGING
if (LOG_ENABLED()) {
nsCAutoString fontURI, referrerURI;
aFontFaceSrc->mURI->GetSpec(fontURI);
if (aFontFaceSrc->mReferrer)
aFontFaceSrc->mReferrer->GetSpec(referrerURI);
LOG(("fontdownloader download blocked - font uri: (%s) "
"referrer uri: (%s) err: %8.8x\n",
fontURI.get(), referrerURI.get(), rv));
}
#endif
return rv;
}
nsCOMPtr<nsIStreamLoader> streamLoader;
nsCOMPtr<nsILoadGroup> loadGroup(ps->GetDocument()->GetDocumentLoadGroup());
nsCOMPtr<nsIChannel> channel;
// get Content Security Policy from principal to pass into channel
nsCOMPtr<nsIChannelPolicy> channelPolicy;
nsCOMPtr<nsIContentSecurityPolicy> csp;
rv = principal->GetCsp(getter_AddRefs(csp));
NS_ENSURE_SUCCESS(rv, rv);
if (csp) {
channelPolicy = do_CreateInstance("@mozilla.org/nschannelpolicy;1");
channelPolicy->SetContentSecurityPolicy(csp);
channelPolicy->SetLoadType(nsIContentPolicy::TYPE_FONT);
}
rv = NS_NewChannel(getter_AddRefs(channel),
aFontFaceSrc->mURI,
nsnull,
loadGroup,
nsnull,
nsIRequest::LOAD_NORMAL,
channelPolicy);
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<nsFontFaceLoader> fontLoader =
new nsFontFaceLoader(aFontToLoad, aFontFaceSrc->mURI, this, channel);
if (!fontLoader)
return NS_ERROR_OUT_OF_MEMORY;
#ifdef PR_LOGGING
if (LOG_ENABLED()) {
nsCAutoString fontURI, referrerURI;
aFontFaceSrc->mURI->GetSpec(fontURI);
if (aFontFaceSrc->mReferrer)
aFontFaceSrc->mReferrer->GetSpec(referrerURI);
LOG(("fontdownloader (%p) download start - font uri: (%s) "
"referrer uri: (%s)\n",
fontLoader.get(), fontURI.get(), referrerURI.get()));
}
#endif
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel)
httpChannel->SetReferrer(aFontFaceSrc->mReferrer);
rv = NS_NewStreamLoader(getter_AddRefs(streamLoader), fontLoader);
NS_ENSURE_SUCCESS(rv, rv);
PRBool inherits = PR_FALSE;
rv = NS_URIChainHasFlags(aFontFaceSrc->mURI,
nsIProtocolHandler::URI_INHERITS_SECURITY_CONTEXT,
&inherits);
if (NS_SUCCEEDED(rv) && inherits) {
// allow data, javascript, etc URI's
rv = channel->AsyncOpen(streamLoader, nsnull);
} else {
nsCOMPtr<nsIStreamListener> listener =
new nsCrossSiteListenerProxy(streamLoader, principal, channel,
PR_FALSE, &rv);
if (NS_FAILED(rv)) {
fontLoader->DropChannel(); // explicitly need to break ref cycle
}
NS_ENSURE_TRUE(listener, NS_ERROR_OUT_OF_MEMORY);
NS_ENSURE_SUCCESS(rv, rv);
rv = channel->AsyncOpen(listener, nsnull);
}
if (NS_SUCCEEDED(rv)) {
mLoaders.PutEntry(fontLoader);
}
return rv;
}
nsresult
nsScriptLoader::ProcessScriptElement(nsIScriptElement *aElement)
{
// We need a document to evaluate scripts.
NS_ENSURE_TRUE(mDocument, NS_ERROR_FAILURE);
// Check to see if scripts has been turned off.
if (!mEnabled || !mDocument->IsScriptEnabled()) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_ASSERTION(!aElement->IsMalformed(), "Executing malformed script");
// Check that the script is not an eventhandler
if (IsScriptEventHandler(aElement)) {
return NS_CONTENT_SCRIPT_IS_EVENTHANDLER;
}
// Script evaluation can also be disabled in the current script
// context even though it's enabled in the document.
// XXX - still hard-coded for JS here, even though another language
// may be specified. Should this check be made *after* we examine
// the attributes to locate the script-type?
// For now though, if JS is disabled we assume every language is
// disabled.
// XXX is this different from the mDocument->IsScriptEnabled() call?
nsIScriptGlobalObject *globalObject = mDocument->GetScriptGlobalObject();
if (!globalObject) {
return NS_ERROR_NOT_AVAILABLE;
}
nsIScriptContext *context = globalObject->GetScriptContext(
nsIProgrammingLanguage::JAVASCRIPT);
// If scripts aren't enabled in the current context, there's no
// point in going on.
if (!context || !context->GetScriptsEnabled()) {
return NS_ERROR_NOT_AVAILABLE;
}
// Default script language is whatever the root content specifies
// (which may come from a header or http-meta tag), or if there
// is no root content, from the script global object.
nsCOMPtr<nsIContent> rootContent = mDocument->GetRootContent();
PRUint32 typeID = rootContent ? rootContent->GetScriptTypeID() :
context->GetScriptTypeID();
PRUint32 version = 0;
nsAutoString language, type, src;
nsresult rv = NS_OK;
// Check the type attribute to determine language and version.
// If type exists, it trumps the deprecated 'language='
aElement->GetScriptType(type);
if (!type.IsEmpty()) {
nsCOMPtr<nsIMIMEHeaderParam> mimeHdrParser =
do_GetService("@mozilla.org/network/mime-hdrparam;1");
NS_ENSURE_TRUE(mimeHdrParser, NS_ERROR_FAILURE);
NS_ConvertUTF16toUTF8 typeAndParams(type);
nsAutoString mimeType;
rv = mimeHdrParser->GetParameter(typeAndParams, nsnull,
EmptyCString(), PR_FALSE, nsnull,
mimeType);
NS_ENSURE_SUCCESS(rv, rv);
// Javascript keeps the fast path, optimized for most-likely type
// Table ordered from most to least likely JS MIME types.
// See bug 62485, feel free to add <script type="..."> survey data to it,
// or to a new bug once 62485 is closed.
static const char *jsTypes[] = {
"text/javascript",
"text/ecmascript",
"application/javascript",
"application/ecmascript",
"application/x-javascript",
nsnull
};
PRBool isJavaScript = PR_FALSE;
for (PRInt32 i = 0; jsTypes[i]; i++) {
if (mimeType.LowerCaseEqualsASCII(jsTypes[i])) {
isJavaScript = PR_TRUE;
break;
}
}
if (isJavaScript)
typeID = nsIProgrammingLanguage::JAVASCRIPT;
else {
// Use the object factory to locate a matching language.
nsCOMPtr<nsIScriptRuntime> runtime;
rv = NS_GetScriptRuntime(mimeType, getter_AddRefs(runtime));
if (NS_FAILED(rv) || runtime == nsnull) {
// Failed to get the explicitly specified language
NS_WARNING("Failed to find a scripting language");
typeID = nsIProgrammingLanguage::UNKNOWN;
} else
typeID = runtime->GetScriptTypeID();
}
if (typeID != nsIProgrammingLanguage::UNKNOWN) {
// Get the version string, and ensure the language supports it.
nsAutoString versionName;
rv = mimeHdrParser->GetParameter(typeAndParams, "version",
EmptyCString(), PR_FALSE, nsnull,
versionName);
if (NS_FAILED(rv)) {
// no version attribute - version remains 0.
if (rv != NS_ERROR_INVALID_ARG)
return rv;
} else {
nsCOMPtr<nsIScriptRuntime> runtime;
rv = NS_GetScriptRuntimeByID(typeID, getter_AddRefs(runtime));
if (NS_FAILED(rv)) {
NS_ERROR("Failed to locate the language with this ID");
return rv;
}
rv = runtime->ParseVersion(versionName, &version);
if (NS_FAILED(rv)) {
NS_WARNING("This script language version is not supported - ignored");
typeID = nsIProgrammingLanguage::UNKNOWN;
}
}
}
// Some js specifics yet to be abstracted.
if (typeID == nsIProgrammingLanguage::JAVASCRIPT) {
nsAutoString value;
rv = mimeHdrParser->GetParameter(typeAndParams, "e4x",
EmptyCString(), PR_FALSE, nsnull,
value);
if (NS_FAILED(rv)) {
if (rv != NS_ERROR_INVALID_ARG)
return rv;
} else {
if (value.Length() == 1 && value[0] == '1')
// This means that we need to set JSOPTION_XML in the JS options.
// We re-use our knowledge of the implementation to reuse
// JSVERSION_HAS_XML as a safe version flag.
// If version has JSVERSION_UNKNOWN (-1), then this is still OK.
version |= JSVERSION_HAS_XML;
}
}
} else {
// no 'type=' element
// "language" is a deprecated attribute of HTML, so we check it only for
// HTML script elements.
nsCOMPtr<nsIDOMHTMLScriptElement> htmlScriptElement =
do_QueryInterface(aElement);
if (htmlScriptElement) {
htmlScriptElement->GetAttribute(NS_LITERAL_STRING("language"), language);
if (!language.IsEmpty()) {
if (nsParserUtils::IsJavaScriptLanguage(language, &version))
typeID = nsIProgrammingLanguage::JAVASCRIPT;
else
typeID = nsIProgrammingLanguage::UNKNOWN;
// IE, Opera, etc. do not respect language version, so neither should
// we at this late date in the browser wars saga. Note that this change
// affects HTML but not XUL or SVG (but note also that XUL has its own
// code to check nsParserUtils::IsJavaScriptLanguage -- that's probably
// a separate bug, one we may not be able to fix short of XUL2). See
// bug 255895 (https://bugzilla.mozilla.org/show_bug.cgi?id=255895).
NS_ASSERTION(JSVERSION_DEFAULT == 0,
"We rely on all languages having 0 as a version default");
version = 0;
}
}
}
// If we don't know the language, we don't know how to evaluate
if (typeID == nsIProgrammingLanguage::UNKNOWN) {
return NS_ERROR_NOT_AVAILABLE;
}
// If not from a chrome document (which is always trusted), we need some way
// of checking the language is "safe". Currently the only other language
// impl is Python, and that is *not* safe in untrusted code - so fixing
// this isn't a priority.!
// See also similar code in nsXULContentSink.cpp
if (typeID != nsIProgrammingLanguage::JAVASCRIPT &&
!nsContentUtils::IsChromeDoc(mDocument)) {
NS_WARNING("Untrusted language called from non-chrome - ignored");
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<nsIContent> eltContent(do_QueryInterface(aElement));
eltContent->SetScriptTypeID(typeID);
// Create a request object for this script
nsRefPtr<nsScriptLoadRequest> request = new nsScriptLoadRequest(aElement, version);
NS_ENSURE_TRUE(request, NS_ERROR_OUT_OF_MEMORY);
// First check to see if this is an external script
nsCOMPtr<nsIURI> scriptURI = aElement->GetScriptURI();
if (scriptURI) {
// Check that the containing page is allowed to load this URI.
rv = nsContentUtils::GetSecurityManager()->
CheckLoadURIWithPrincipal(mDocument->NodePrincipal(), scriptURI,
nsIScriptSecurityManager::ALLOW_CHROME);
NS_ENSURE_SUCCESS(rv, rv);
// After the security manager, the content-policy stuff gets a veto
PRInt16 shouldLoad = nsIContentPolicy::ACCEPT;
rv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_SCRIPT,
scriptURI,
mDocument->NodePrincipal(),
aElement,
NS_LossyConvertUTF16toASCII(type),
nsnull, //extra
&shouldLoad,
nsContentUtils::GetContentPolicy(),
nsContentUtils::GetSecurityManager());
if (NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad)) {
if (NS_FAILED(rv) || shouldLoad != nsIContentPolicy::REJECT_TYPE) {
return NS_ERROR_CONTENT_BLOCKED;
}
return NS_ERROR_CONTENT_BLOCKED_SHOW_ALT;
}
request->mURI = scriptURI;
request->mIsInline = PR_FALSE;
request->mLoading = PR_TRUE;
nsCOMPtr<nsILoadGroup> loadGroup = mDocument->GetDocumentLoadGroup();
nsCOMPtr<nsIStreamLoader> loader;
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(globalObject));
nsIDocShell *docshell = window->GetDocShell();
nsCOMPtr<nsIInterfaceRequestor> prompter(do_QueryInterface(docshell));
nsCOMPtr<nsIChannel> channel;
rv = NS_NewChannel(getter_AddRefs(channel),
scriptURI, nsnull, loadGroup,
prompter, nsIRequest::LOAD_NORMAL);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
// HTTP content negotation has little value in this context.
httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
NS_LITERAL_CSTRING("*/*"),
PR_FALSE);
httpChannel->SetReferrer(mDocument->GetDocumentURI());
}
rv = NS_NewStreamLoader(getter_AddRefs(loader), this);
NS_ENSURE_SUCCESS(rv, rv);
rv = channel->AsyncOpen(loader, request);
NS_ENSURE_SUCCESS(rv, rv);
} else {
request->mLoading = PR_FALSE;
request->mIsInline = PR_TRUE;
request->mURI = mDocument->GetDocumentURI();
request->mLineNo = aElement->GetScriptLineNumber();
// If we've got existing pending requests, add ourselves
// to this list.
if (mPendingRequests.Count() == 0 && ReadyToExecuteScripts() &&
nsContentUtils::IsSafeToRunScript()) {
return ProcessRequest(request);
}
}
// Add the request to our pending requests list
NS_ENSURE_TRUE(mPendingRequests.AppendObject(request),
NS_ERROR_OUT_OF_MEMORY);
// If there weren't any pending requests before, and this one is
// ready to execute, do that as soon as it's safe.
if (mPendingRequests.Count() == 1 && !request->mLoading &&
ReadyToExecuteScripts()) {
nsContentUtils::AddScriptRunner(new nsRunnableMethod<nsScriptLoader>(this,
&nsScriptLoader::ProcessPendingRequests));
}
// Added as pending request, now we can send blocking back
return NS_ERROR_HTMLPARSER_BLOCK;
}
/* void onStartRequest (in nsIRequest request, in nsISupports ctxt); */
NS_IMETHODIMP imgRequest::OnStartRequest(nsIRequest *aRequest, nsISupports *ctxt)
{
nsresult rv;
LOG_SCOPE(gImgLog, "imgRequest::OnStartRequest");
NS_ASSERTION(!mDecoder, "imgRequest::OnStartRequest -- we already have a decoder");
nsCOMPtr<nsIMultiPartChannel> mpchan(do_QueryInterface(aRequest));
if (mpchan)
mIsMultiPartChannel = PR_TRUE;
/*
* If mRequest is null here, then we need to set it so that we'll be able to
* cancel it if our Cancel() method is called. Note that this can only
* happen for multipart channels. We could simply not null out mRequest for
* non-last parts, if GetIsLastPart() were reliable, but it's not. See
* https://bugzilla.mozilla.org/show_bug.cgi?id=339610
*/
if (!mRequest) {
NS_ASSERTION(mpchan,
"We should have an mRequest here unless we're multipart");
nsCOMPtr<nsIChannel> chan;
mpchan->GetBaseChannel(getter_AddRefs(chan));
mRequest = chan;
}
/* set our state variables to their initial values, but advance mState
to onStartRequest. */
if (mIsMultiPartChannel) {
// Don't blow away our status altogether
mImageStatus &= ~imgIRequest::STATUS_LOAD_PARTIAL;
mImageStatus &= ~imgIRequest::STATUS_LOAD_COMPLETE;
mImageStatus &= ~imgIRequest::STATUS_FRAME_COMPLETE;
} else {
mImageStatus = imgIRequest::STATUS_NONE;
}
mState = onStartRequest;
nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
if (channel)
channel->GetSecurityInfo(getter_AddRefs(mSecurityInfo));
/* set our loading flag to true */
mLoading = PR_TRUE;
/* notify our kids */
nsTObserverArray<imgRequestProxy*>::ForwardIterator iter(mObservers);
while (iter.HasMore()) {
iter.GetNext()->OnStartRequest(aRequest, ctxt);
}
/* Get our principal */
nsCOMPtr<nsIChannel> chan(do_QueryInterface(aRequest));
if (chan) {
nsCOMPtr<nsIScriptSecurityManager> secMan =
do_GetService("@mozilla.org/scriptsecuritymanager;1");
if (secMan) {
nsresult rv = secMan->GetChannelPrincipal(chan,
getter_AddRefs(mPrincipal));
if (NS_FAILED(rv)) {
return rv;
}
}
}
/* get the expires info */
if (mCacheEntry) {
nsCOMPtr<nsICachingChannel> cacheChannel(do_QueryInterface(aRequest));
if (cacheChannel) {
nsCOMPtr<nsISupports> cacheToken;
cacheChannel->GetCacheToken(getter_AddRefs(cacheToken));
if (cacheToken) {
nsCOMPtr<nsICacheEntryInfo> entryDesc(do_QueryInterface(cacheToken));
if (entryDesc) {
PRUint32 expiration;
/* get the expiration time from the caching channel's token */
entryDesc->GetExpirationTime(&expiration);
/* set the expiration time on our entry */
mCacheEntry->SetExpiryTime(expiration);
}
}
}
//
// Determine whether the cache entry must be revalidated when it expires.
// If so, then the cache entry must *not* be used during HISTORY loads if
// it has expired.
//
// Currently, only HTTP specifies this information...
//
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequest));
if (httpChannel) {
PRBool bMustRevalidate = PR_FALSE;
rv = httpChannel->IsNoStoreResponse(&bMustRevalidate);
if (!bMustRevalidate) {
rv = httpChannel->IsNoCacheResponse(&bMustRevalidate);
}
if (!bMustRevalidate) {
nsCAutoString cacheHeader;
rv = httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Cache-Control"),
cacheHeader);
if (PL_strcasestr(cacheHeader.get(), "must-revalidate")) {
bMustRevalidate = PR_TRUE;
}
}
mCacheEntry->SetMustValidateIfExpired(bMustRevalidate);
}
}
// Shouldn't we be dead already if this gets hit? Probably multipart/x-mixed-replace...
if (mObservers.IsEmpty()) {
this->Cancel(NS_IMAGELIB_ERROR_FAILURE);
}
return NS_OK;
}
nsresult
NS_StartCORSPreflight(nsIChannel* aRequestChannel,
nsIStreamListener* aListener,
nsIPrincipal* aPrincipal,
PRBool aWithCredentials,
nsTArray<nsCString>& aUnsafeHeaders,
nsIChannel** aPreflightChannel)
{
*aPreflightChannel = nsnull;
nsCAutoString method;
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequestChannel));
NS_ENSURE_TRUE(httpChannel, NS_ERROR_UNEXPECTED);
httpChannel->GetRequestMethod(method);
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_GetFinalChannelURI(aRequestChannel, getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
nsPreflightCache::CacheEntry* entry =
sPreflightCache ?
sPreflightCache->GetEntry(uri, aPrincipal, aWithCredentials, PR_FALSE) :
nsnull;
if (entry && entry->CheckRequest(method, aUnsafeHeaders)) {
// We have a cached preflight result, just start the original channel
return aRequestChannel->AsyncOpen(aListener, nsnull);
}
// Either it wasn't cached or the cached result has expired. Build a
// channel for the OPTIONS request.
nsCOMPtr<nsILoadGroup> loadGroup;
rv = aRequestChannel->GetLoadGroup(getter_AddRefs(loadGroup));
NS_ENSURE_SUCCESS(rv, rv);
nsLoadFlags loadFlags;
rv = aRequestChannel->GetLoadFlags(&loadFlags);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIChannel> preflightChannel;
rv = NS_NewChannel(getter_AddRefs(preflightChannel), uri, nsnull,
loadGroup, nsnull, loadFlags);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannel> preHttp = do_QueryInterface(preflightChannel);
NS_ASSERTION(preHttp, "Failed to QI to nsIHttpChannel!");
rv = preHttp->SetRequestMethod(NS_LITERAL_CSTRING("OPTIONS"));
NS_ENSURE_SUCCESS(rv, rv);
// Set up listener which will start the original channel
nsCOMPtr<nsIStreamListener> preflightListener =
new nsCORSPreflightListener(aRequestChannel, aListener, nsnull, aPrincipal,
method, aWithCredentials);
NS_ENSURE_TRUE(preflightListener, NS_ERROR_OUT_OF_MEMORY);
preflightListener =
new nsCORSListenerProxy(preflightListener, aPrincipal,
preflightChannel, aWithCredentials,
method, aUnsafeHeaders, &rv);
NS_ENSURE_TRUE(preflightListener, NS_ERROR_OUT_OF_MEMORY);
NS_ENSURE_SUCCESS(rv, rv);
// Start preflight
rv = preflightChannel->AsyncOpen(preflightListener, nsnull);
NS_ENSURE_SUCCESS(rv, rv);
// Return newly created preflight channel
preflightChannel.forget(aPreflightChannel);
return NS_OK;
}
NS_IMETHODIMP
HeaderSniffer::OnStopRequest (nsIRequest *aRequest,
nsISupports *aContext, nsresult aStatusCode)
{
nsresult rv;
LOG ("HeaderSniffer::OnStopRequest");
if (aStatusCode != NS_BINDING_SUCCEEDED)
{
GtkWidget *parent, *dialog;
parent = galeon_embed_persist_get_fc_parent (mEmbedPersist);
dialog = hig_alert_new (parent ? GTK_WINDOW (parent) : NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
HIG_ALERT_ERROR,
_("Unable to save link."),
_("The web page might have been removed "
"or had its name changed."),
GTK_STOCK_OK,
GTK_RESPONSE_OK,
NULL);
g_signal_connect (dialog, "response",
(GCallback)gtk_widget_destroy, NULL);
gtk_widget_show (dialog);
return NS_OK;
}
nsCOMPtr<nsIURIChecker> checker = do_QueryInterface (aRequest);
NS_ENSURE_TRUE (checker, NS_ERROR_FAILURE);
nsCOMPtr<nsIChannel> channel;
checker->GetBaseChannel (getter_AddRefs(channel));
NS_ENSURE_TRUE (channel, NS_ERROR_FAILURE);
/* Get the final URL of the request */
channel->GetURI (getter_AddRefs(mFinalURL));
/* Get the Content-Disposition header, it might give us a
* hint on the filename */
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
GulCString contentDisposition;
if (httpChannel)
{
httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("content-disposition"),
contentDisposition);
}
/* Get the document encoding */
nsCOMPtr<nsIEncodedChannel> encodedChannel(do_QueryInterface(channel));
GulCString contentEncoding;
if (encodedChannel)
{
nsCOMPtr<nsIUTF8StringEnumerator> enumerator;
encodedChannel->GetContentEncodings (getter_AddRefs (enumerator));
if (enumerator)
{
PRBool more = PR_FALSE;
enumerator->HasMore (&more);
if (more)
{
enumerator->GetNext (contentEncoding);
}
}
}
/* Get the Content-Type header */
GulCString contentType;
channel->GetContentType(contentType);
if (contentType.Equals ("application/x-unknown-content-type"))
{
contentType = "";
}
/* If no Content-Type, try and get it from the document */
if (contentType.IsEmpty() && mDocument)
{
nsCOMPtr<nsIDOMNSDocument> doc = do_QueryInterface(mDocument);
if (doc)
{
GulString type;
doc->GetContentType (type);
contentType = type;
}
}
/* Failing that, guess from the url */
if (contentType.IsEmpty())
{
nsCOMPtr<nsIMIMEService> mimeService (do_GetService(NS_MIMESERVICE_CONTRACTID));
mimeService->GetTypeFromURI (mFinalURL, contentType);
}
/* Calculate whether we whould decode */
mShouldDecode = PR_FALSE;
if (contentEncoding.Length ())
{
nsCOMPtr<nsIExternalHelperAppService> helperService =
do_GetService (NS_EXTERNALHELPERAPPSERVICE_CONTRACTID);
nsCOMPtr<nsIURL> resultURL = do_QueryInterface (mFinalURL);
if (resultURL)
{
GulCString extension;
resultURL->GetFileExtension (extension);
rv = helperService->ApplyDecodingForExtension (extension,
contentEncoding,
&mShouldDecode);
if (NS_FAILED (rv))
{
mShouldDecode = PR_FALSE;
}
}
}
if (!mDocument && !mShouldDecode && contentEncoding.Length())
{
// The data is encoded, we are not going to decode it,
// and this is not a document save so just set our
// content type to correspond to the outermost
// encoding so we get extensions and the like right.
contentType = contentEncoding;
}
GulCString filename;
rv = GetFilename (contentDisposition, contentType, filename);
NS_ENSURE_TRUE (NS_SUCCEEDED (rv), NS_ERROR_FAILURE);
PerformSave (filename);
return NS_OK;
}
NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
if (mRequests.IndexOfObject(GetBaseRequest(request)) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = true;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
PRUint32 responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
bool bWantsAllNetworkStreams = false;
// We don't always have an instance here already, but if we do, check
// to see if it wants all streams.
if (mPluginInstance) {
rv = mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
&bWantsAllNetworkStreams);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(rv)) {
bWantsAllNetworkStreams = false;
}
}
if (!bWantsAllNetworkStreams) {
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
}
}
// do a little sanity check to make sure our frame isn't gone
// by getting the tag type and checking for an error, we can determine if
// the frame is gone
if (mOwner) {
nsCOMPtr<nsIPluginTagInfo> pti = do_QueryInterface(mOwner);
NS_ENSURE_TRUE(pti, NS_ERROR_FAILURE);
nsPluginTagType tagType;
if (NS_FAILED(pti->GetTagType(&tagType)))
return NS_ERROR_FAILURE; // something happened to our object frame, so bail!
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
PRInt32 length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length == -1) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = length;
}
nsCAutoString aContentType; // XXX but we already got the type above!
rv = channel->GetContentType(aContentType);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!aContentType.IsEmpty())
mContentType = aContentType;
#ifdef PLUGIN_LOGGING
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, aContentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
NPWindow* window = nsnull;
// if we don't have an nsNPAPIPluginInstance (mPluginInstance), it means
// we weren't able to load a plugin previously because we
// didn't have the mimetype. Now that we do (aContentType),
// we'll try again with SetUpPluginInstance()
// which is called by InstantiateEmbeddedPlugin()
// NOTE: we don't want to try again if we didn't get the MIME type this time
if (!mPluginInstance && mOwner && !aContentType.IsEmpty()) {
nsRefPtr<nsNPAPIPluginInstance> pluginInstRefPtr;
mOwner->GetInstance(getter_AddRefs(pluginInstRefPtr));
mPluginInstance = pluginInstRefPtr.get();
mOwner->GetWindow(window);
if (!mPluginInstance && window) {
nsRefPtr<nsPluginHost> pluginHost = dont_AddRef(nsPluginHost::GetInst());
rv = pluginHost->SetUpPluginInstance(aContentType.get(), aURL, mOwner);
if (NS_SUCCEEDED(rv)) {
mOwner->GetInstance(getter_AddRefs(pluginInstRefPtr));
mPluginInstance = pluginInstRefPtr.get();
if (mPluginInstance) {
mOwner->CreateWidget();
// If we've got a native window, the let the plugin know about it.
mOwner->SetWindow();
}
}
}
}
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) return rv;
return rv;
}
// This method is largely cribbed from
// nsExternalResourceMap::PendingLoad::SetupViewer.
nsresult
SVGDocumentWrapper::SetupViewer(nsIRequest* aRequest,
nsIContentViewer** aViewer,
nsILoadGroup** aLoadGroup)
{
nsCOMPtr<nsIChannel> chan(do_QueryInterface(aRequest));
NS_ENSURE_TRUE(chan, NS_ERROR_UNEXPECTED);
// Check for HTTP error page
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequest));
if (httpChannel) {
bool requestSucceeded;
if (NS_FAILED(httpChannel->GetRequestSucceeded(&requestSucceeded)) ||
!requestSucceeded) {
return NS_ERROR_FAILURE;
}
}
// Give this document its own loadgroup
nsCOMPtr<nsILoadGroup> loadGroup;
chan->GetLoadGroup(getter_AddRefs(loadGroup));
nsCOMPtr<nsILoadGroup> newLoadGroup =
do_CreateInstance(NS_LOADGROUP_CONTRACTID);
NS_ENSURE_TRUE(newLoadGroup, NS_ERROR_OUT_OF_MEMORY);
newLoadGroup->SetLoadGroup(loadGroup);
nsCOMPtr<nsICategoryManager> catMan =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID);
NS_ENSURE_TRUE(catMan, NS_ERROR_NOT_AVAILABLE);
nsXPIDLCString contractId;
nsresult rv = catMan->GetCategoryEntry("Gecko-Content-Viewers", IMAGE_SVG_XML,
getter_Copies(contractId));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDocumentLoaderFactory> docLoaderFactory =
do_GetService(contractId);
NS_ENSURE_TRUE(docLoaderFactory, NS_ERROR_NOT_AVAILABLE);
nsCOMPtr<nsIContentViewer> viewer;
nsCOMPtr<nsIStreamListener> listener;
rv = docLoaderFactory->CreateInstance("external-resource", chan,
newLoadGroup,
NS_LITERAL_CSTRING(IMAGE_SVG_XML),
nullptr, nullptr,
getter_AddRefs(listener),
getter_AddRefs(viewer));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(viewer, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIParser> parser = do_QueryInterface(listener);
NS_ENSURE_TRUE(parser, NS_ERROR_UNEXPECTED);
// XML-only, because this is for SVG content
nsIContentSink* sink = parser->GetContentSink();
nsCOMPtr<nsIXMLContentSink> xmlSink = do_QueryInterface(sink);
NS_ENSURE_TRUE(sink, NS_ERROR_UNEXPECTED);
listener.swap(mListener);
viewer.forget(aViewer);
newLoadGroup.forget(aLoadGroup);
RegisterForXPCOMShutdown();
return NS_OK;
}
/* void onDataAvailable (in nsIRequest request, in nsISupports ctxt, in nsIInputStream inStr, in unsigned long sourceOffset, in unsigned long count); */
NS_IMETHODIMP imgRequest::OnDataAvailable(nsIRequest *aRequest, nsISupports *ctxt, nsIInputStream *inStr, PRUint32 sourceOffset, PRUint32 count)
{
LOG_SCOPE_WITH_PARAM(gImgLog, "imgRequest::OnDataAvailable", "count", count);
NS_ASSERTION(aRequest, "imgRequest::OnDataAvailable -- no request!");
mGotData = PR_TRUE;
if (!mProcessing) {
LOG_SCOPE(gImgLog, "imgRequest::OnDataAvailable |First time through... finding mimetype|");
/* set our processing flag to true if this is the first OnDataAvailable() */
mProcessing = PR_TRUE;
/* look at the first few bytes and see if we can tell what the data is from that
* since servers tend to lie. :(
*/
PRUint32 out;
inStr->ReadSegments(sniff_mimetype_callback, this, count, &out);
#ifdef NS_DEBUG
/* NS_WARNING if the content type from the channel isn't the same if the sniffing */
#endif
if (mContentType.IsEmpty()) {
LOG_SCOPE(gImgLog, "imgRequest::OnDataAvailable |sniffing of mimetype failed|");
nsCOMPtr<nsIChannel> chan(do_QueryInterface(aRequest));
nsresult rv = NS_ERROR_FAILURE;
if (chan) {
rv = chan->GetContentType(mContentType);
}
if (NS_FAILED(rv)) {
PR_LOG(gImgLog, PR_LOG_ERROR,
("[this=%p] imgRequest::OnDataAvailable -- Content type unavailable from the channel\n",
this));
this->Cancel(NS_IMAGELIB_ERROR_FAILURE);
return NS_BINDING_ABORTED;
}
LOG_MSG(gImgLog, "imgRequest::OnDataAvailable", "Got content type from the channel");
}
/* set our mimetype as a property */
nsCOMPtr<nsISupportsCString> contentType(do_CreateInstance("@mozilla.org/supports-cstring;1"));
if (contentType) {
contentType->SetData(mContentType);
mProperties->Set("type", contentType);
}
/* set our content disposition as a property */
nsCAutoString disposition;
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequest));
if (httpChannel) {
httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("content-disposition"), disposition);
} else {
nsCOMPtr<nsIMultiPartChannel> multiPartChannel(do_QueryInterface(aRequest));
if (multiPartChannel) {
multiPartChannel->GetContentDisposition(disposition);
}
}
if (!disposition.IsEmpty()) {
nsCOMPtr<nsISupportsCString> contentDisposition(do_CreateInstance("@mozilla.org/supports-cstring;1"));
if (contentDisposition) {
contentDisposition->SetData(disposition);
mProperties->Set("content-disposition", contentDisposition);
}
}
LOG_MSG_WITH_PARAM(gImgLog, "imgRequest::OnDataAvailable", "content type", mContentType.get());
nsCAutoString conid(NS_LITERAL_CSTRING("@mozilla.org/image/decoder;2?type=") + mContentType);
mDecoder = do_CreateInstance(conid.get());
if (!mDecoder) {
PR_LOG(gImgLog, PR_LOG_WARNING,
("[this=%p] imgRequest::OnDataAvailable -- Decoder not available\n", this));
// no image decoder for this mimetype :(
this->Cancel(NS_IMAGELIB_ERROR_NO_DECODER);
return NS_IMAGELIB_ERROR_NO_DECODER;
}
nsresult rv = mDecoder->Init(static_cast<imgILoad*>(this));
if (NS_FAILED(rv)) {
PR_LOG(gImgLog, PR_LOG_WARNING,
("[this=%p] imgRequest::OnDataAvailable -- mDecoder->Init failed\n", this));
this->Cancel(NS_IMAGELIB_ERROR_FAILURE);
return NS_BINDING_ABORTED;
}
}
if (!mDecoder) {
PR_LOG(gImgLog, PR_LOG_WARNING,
("[this=%p] imgRequest::OnDataAvailable -- no decoder\n", this));
this->Cancel(NS_IMAGELIB_ERROR_NO_DECODER);
return NS_BINDING_ABORTED;
}
// The decoder will start decoding into the current frame (if we have one).
// When it needs to add another frame, we will unlock this frame and lock the
// new frame.
// Our invariant is that, while in the decoder, the last frame is always
// locked, and all others are unlocked.
imgContainer *image = reinterpret_cast<imgContainer*>(mImage.get());
if (image->mFrames.Length() > 0) {
imgFrame *curframe = image->mFrames.ElementAt(image->mFrames.Length() - 1);
curframe->LockImageData();
}
PRUint32 wrote;
nsresult rv = mDecoder->WriteFrom(inStr, count, &wrote);
// We unlock the current frame, even if that frame is different from the
// frame we entered the decoder with. (See above.)
if (image->mFrames.Length() > 0) {
imgFrame *curframe = image->mFrames.ElementAt(image->mFrames.Length() - 1);
curframe->UnlockImageData();
}
if (NS_FAILED(rv)) {
PR_LOG(gImgLog, PR_LOG_WARNING,
("[this=%p] imgRequest::OnDataAvailable -- mDecoder->WriteFrom failed\n", this));
this->Cancel(NS_IMAGELIB_ERROR_FAILURE);
return NS_BINDING_ABORTED;
}
return NS_OK;
}
nsresult
nsPluginStreamListenerPeer::RequestRead(NPByteRange* rangeList)
{
nsAutoCString rangeString;
int32_t numRequests;
MakeByteRangeString(rangeList, rangeString, &numRequests);
if (numRequests == 0)
return NS_ERROR_FAILURE;
nsresult rv = NS_OK;
nsRefPtr<nsPluginInstanceOwner> owner = mPluginInstance->GetOwner();
nsCOMPtr<nsIDOMElement> element;
nsCOMPtr<nsIDocument> doc;
if (owner) {
rv = owner->GetDOMElement(getter_AddRefs(element));
NS_ENSURE_SUCCESS(rv, rv);
rv = owner->GetDocument(getter_AddRefs(doc));
NS_ENSURE_SUCCESS(rv, rv);
}
nsCOMPtr<nsIInterfaceRequestor> callbacks = do_QueryReferent(mWeakPtrChannelCallbacks);
nsCOMPtr<nsILoadGroup> loadGroup = do_QueryReferent(mWeakPtrChannelLoadGroup);
nsCOMPtr<nsIChannel> channel;
nsCOMPtr<nsINode> requestingNode(do_QueryInterface(element));
if (requestingNode) {
rv = NS_NewChannel(getter_AddRefs(channel),
mURL,
requestingNode,
nsILoadInfo::SEC_NORMAL,
nsIContentPolicy::TYPE_OTHER,
loadGroup,
callbacks);
}
else {
// in this else branch we really don't know where the load is coming
// from and in fact should use something better than just using
// a nullPrincipal as the loadingPrincipal.
nsCOMPtr<nsIPrincipal> principal = nsNullPrincipal::Create();
NS_ENSURE_TRUE(principal, NS_ERROR_FAILURE);
rv = NS_NewChannel(getter_AddRefs(channel),
mURL,
principal,
nsILoadInfo::SEC_NORMAL,
nsIContentPolicy::TYPE_OTHER,
loadGroup,
callbacks);
}
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (!httpChannel)
return NS_ERROR_FAILURE;
httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Range"), rangeString, false);
mAbort = true; // instruct old stream listener to cancel
// the request on the next ODA.
nsCOMPtr<nsIStreamListener> converter;
if (numRequests == 1) {
converter = this;
// set current stream offset equal to the first offset in the range list
// it will work for single byte range request
// for multy range we'll reset it in ODA
SetStreamOffset(rangeList->offset);
} else {
nsWeakPtr weakpeer =
do_GetWeakReference(static_cast<nsISupportsWeakReference*>(this));
nsPluginByteRangeStreamListener *brrListener =
new nsPluginByteRangeStreamListener(weakpeer);
if (brrListener)
converter = brrListener;
else
return NS_ERROR_OUT_OF_MEMORY;
}
mPendingRequests += numRequests;
nsCOMPtr<nsISupportsPRUint32> container = do_CreateInstance(NS_SUPPORTS_PRUINT32_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
rv = container->SetData(MAGIC_REQUEST_CONTEXT);
if (NS_FAILED(rv))
return rv;
rv = channel->AsyncOpen(converter, container);
if (NS_SUCCEEDED(rv))
TrackRequest(channel);
return rv;
}
NS_IMETHODIMP
nsJARChannel::OnDownloadComplete(nsIDownloader *downloader,
nsIRequest *request,
nsISupports *context,
nsresult status,
nsIFile *file)
{
nsresult rv;
nsCOMPtr<nsIChannel> channel(do_QueryInterface(request));
if (channel) {
PRUint32 loadFlags;
channel->GetLoadFlags(&loadFlags);
if (loadFlags & LOAD_REPLACE) {
mLoadFlags |= LOAD_REPLACE;
if (!mOriginalURI) {
SetOriginalURI(mJarURI);
}
nsCOMPtr<nsIURI> innerURI;
rv = channel->GetURI(getter_AddRefs(innerURI));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIJARURI> newURI;
rv = mJarURI->CloneWithJARFile(innerURI,
getter_AddRefs(newURI));
if (NS_SUCCEEDED(rv)) {
mJarURI = newURI;
}
}
if (NS_SUCCEEDED(status)) {
status = rv;
}
}
}
if (NS_SUCCEEDED(status) && channel) {
// Grab the security info from our base channel
channel->GetSecurityInfo(getter_AddRefs(mSecurityInfo));
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
// We only want to run scripts if the server really intended to
// send us a JAR file. Check the server-supplied content type for
// a JAR type.
nsCAutoString header;
httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Content-Type"),
header);
nsCAutoString contentType;
nsCAutoString charset;
NS_ParseContentType(header, contentType, charset);
nsCAutoString channelContentType;
channel->GetContentType(channelContentType);
mIsUnsafe = !(contentType.Equals(channelContentType) &&
(contentType.EqualsLiteral("application/java-archive") ||
contentType.EqualsLiteral("application/x-jar")));
} else {
nsCOMPtr<nsIJARChannel> innerJARChannel(do_QueryInterface(channel));
if (innerJARChannel) {
PRBool unsafe;
innerJARChannel->GetIsUnsafe(&unsafe);
mIsUnsafe = unsafe;
}
}
channel->GetContentDisposition(mContentDisposition);
}
if (NS_SUCCEEDED(status) && mIsUnsafe) {
PRBool allowUnpack = PR_FALSE;
nsCOMPtr<nsIPrefBranch> prefs =
do_GetService(NS_PREFSERVICE_CONTRACTID);
if (prefs) {
prefs->GetBoolPref("network.jar.open-unsafe-types", &allowUnpack);
}
if (!allowUnpack) {
status = NS_ERROR_UNSAFE_CONTENT_TYPE;
}
}
if (NS_SUCCEEDED(status)) {
// Refuse to unpack view-source: jars even if open-unsafe-types is set.
nsCOMPtr<nsIViewSourceChannel> viewSource = do_QueryInterface(channel);
if (viewSource) {
status = NS_ERROR_UNSAFE_CONTENT_TYPE;
}
}
if (NS_SUCCEEDED(status)) {
mJarFile = file;
rv = CreateJarInput(nsnull);
if (NS_SUCCEEDED(rv)) {
// create input stream pump
rv = NS_NewInputStreamPump(getter_AddRefs(mPump), mJarInput);
if (NS_SUCCEEDED(rv))
rv = mPump->AsyncRead(this, nsnull);
}
status = rv;
}
if (NS_FAILED(status)) {
mStatus = status;
OnStartRequest(nsnull, nsnull);
OnStopRequest(nsnull, nsnull, status);
}
return NS_OK;
}
nsresult
nsDOMWorkerScriptLoader::OnStreamCompleteInternal(nsIStreamLoader* aLoader,
nsISupports* aContext,
nsresult aStatus,
PRUint32 aStringLen,
const PRUint8* aString)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsCOMPtr<nsISupportsPRUint32> indexSupports(do_QueryInterface(aContext));
NS_ENSURE_TRUE(indexSupports, NS_ERROR_NO_INTERFACE);
PRUint32 index = PR_UINT32_MAX;
indexSupports->GetData(&index);
if (index >= mScriptCount) {
NS_NOTREACHED("This really can't fail or we'll hang!");
return NS_ERROR_FAILURE;
}
ScriptLoadInfo& loadInfo = mLoadInfos[index];
NS_ASSERTION(!loadInfo.done, "Got complete on the same load twice!");
loadInfo.done = PR_TRUE;
#ifdef DEBUG
// Make sure we're seeing the channel that we expect.
nsCOMPtr<nsIRequest> requestDebug;
nsresult rvDebug = aLoader->GetRequest(getter_AddRefs(requestDebug));
// When we cancel sometimes we get null here. That should be ok, but only if
// we're canceled.
NS_ASSERTION(NS_SUCCEEDED(rvDebug) || mCanceled, "GetRequest failed!");
if (NS_SUCCEEDED(rvDebug)) {
nsCOMPtr<nsIChannel> channel(do_QueryInterface(requestDebug));
NS_ASSERTION(channel, "QI failed!");
nsCOMPtr<nsISupports> thisChannel(do_QueryInterface(channel));
NS_ASSERTION(thisChannel, "QI failed!");
nsCOMPtr<nsISupports> ourChannel(do_QueryInterface(loadInfo.channel));
NS_ASSERTION(ourChannel, "QI failed!");
NS_ASSERTION(thisChannel == ourChannel, "Wrong channel!");
}
#endif
// Use an alias to keep rv and loadInfo.result in sync.
nsresult& rv = loadInfo.result = aStatus;
if (NS_FAILED(rv)) {
return rv;
}
if (!(aStringLen && aString)) {
return rv = NS_ERROR_UNEXPECTED;
}
// Make sure we're not seeing the result of a 404 or something by checking the
// 'requestSucceeded' attribute on the http channel.
nsCOMPtr<nsIRequest> request;
rv = aLoader->GetRequest(getter_AddRefs(request));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(request));
if (httpChannel) {
PRBool requestSucceeded;
rv = httpChannel->GetRequestSucceeded(&requestSucceeded);
NS_ENSURE_SUCCESS(rv, rv);
if (!requestSucceeded) {
return rv = NS_ERROR_NOT_AVAILABLE;
}
}
nsIDocument* parentDoc = mWorker->Pool()->ParentDocument();
if (!parentDoc) {
NS_ASSERTION(mWorker->IsCanceled(),
"Null parent document when we're not canceled?!");
return rv = NS_ERROR_FAILURE;
}
// Use the regular nsScriptLoader for this grunt work! Should be just fine
// because we're running on the main thread.
rv = nsScriptLoader::ConvertToUTF16(loadInfo.channel, aString, aStringLen,
EmptyString(), parentDoc,
loadInfo.scriptText);
if (NS_FAILED(rv)) {
return rv;
}
if (loadInfo.scriptText.IsEmpty()) {
return rv = NS_ERROR_FAILURE;
}
nsCString filename;
loadInfo.finalURI->GetSpec(filename);
if (filename.IsEmpty()) {
filename.Assign(NS_LossyConvertUTF16toASCII(loadInfo.url));
}
else {
// This will help callers figure out what their script url resolved to in
// case of errors.
loadInfo.url.Assign(NS_ConvertUTF8toUTF16(filename));
}
nsRefPtr<ScriptCompiler> compiler =
new ScriptCompiler(this, loadInfo.scriptText, filename, loadInfo.scriptObj);
NS_ASSERTION(compiler, "Out of memory!");
if (!compiler) {
return rv = NS_ERROR_OUT_OF_MEMORY;
}
rv = mTarget->Dispatch(compiler, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, rv);
return rv;
}
nsresult
CVE_2013_1709_thunderbird6_0_2_nsDocShell::AddToSessionHistory(nsIURI * aURI, nsIChannel * aChannel,
nsISupports* aOwner, PRBool aCloneChildren,
nsISHEntry ** aNewEntry)
{
NS_PRECONDITION(aURI, "uri is null");
NS_PRECONDITION(!aChannel || !aOwner, "Shouldn't have both set");
#if defined(PR_LOGGING) && defined(DEBUG)
if (PR_LOG_TEST(gDocShellLog, PR_LOG_DEBUG)) {
nsCAutoString spec;
aURI->GetSpec(spec);
nsCAutoString chanName;
if (aChannel)
aChannel->GetName(chanName);
else
chanName.AssignLiteral("<no channel>");
PR_LOG(gDocShellLog, PR_LOG_DEBUG,
("nsDocShell[%p]::AddToSessionHistory(\"%s\", [%s])\n", this, spec.get(),
chanName.get()));
}
#endif
nsresult rv = NS_OK;
nsCOMPtr<nsISHEntry> entry;
PRBool shouldPersist;
shouldPersist = ShouldAddToSessionHistory(aURI);
// Get a handle to the root docshell
nsCOMPtr<nsIDocShellTreeItem> root;
GetSameTypeRootTreeItem(getter_AddRefs(root));
/*
* If this is a LOAD_FLAGS_REPLACE_HISTORY in a subframe, we use
* the existing SH entry in the page and replace the url and
* other vitalities.
*/
if (LOAD_TYPE_HAS_FLAGS(mLoadType, LOAD_FLAGS_REPLACE_HISTORY) &&
root != static_cast<nsIDocShellTreeItem *>(this)) {
// This is a subframe
entry = mOSHE;
nsCOMPtr<nsISHContainer> shContainer(do_QueryInterface(entry));
if (shContainer) {
PRInt32 childCount = 0;
shContainer->GetChildCount(&childCount);
// Remove all children of this entry
for (PRInt32 i = childCount - 1; i >= 0; i--) {
nsCOMPtr<nsISHEntry> child;
shContainer->GetChildAt(i, getter_AddRefs(child));
shContainer->RemoveChild(child);
} // for
} // shContainer
}
// Create a new entry if necessary.
if (!entry) {
entry = do_CreateInstance(NS_SHENTRY_CONTRACTID);
if (!entry) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
// Get the post data & referrer
nsCOMPtr<nsIInputStream> inputStream;
nsCOMPtr<nsIURI> referrerURI;
nsCOMPtr<nsISupports> cacheKey;
nsCOMPtr<nsISupports> owner = aOwner;
PRBool expired = PR_FALSE;
PRBool discardLayoutState = PR_FALSE;
nsCOMPtr<nsICachingChannel> cacheChannel;
if (aChannel) {
cacheChannel = do_QueryInterface(aChannel);
/* If there is a caching channel, get the Cache Key and store it
* in SH.
*/
if (cacheChannel) {
cacheChannel->GetCacheKey(getter_AddRefs(cacheKey));
}
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aChannel));
// Check if the httpChannel is hiding under a multipartChannel
if (!httpChannel) {
GetHttpChannel(aChannel, getter_AddRefs(httpChannel));
}
if (httpChannel) {
nsCOMPtr<nsIUploadChannel> uploadChannel(do_QueryInterface(httpChannel));
if (uploadChannel) {
uploadChannel->GetUploadStream(getter_AddRefs(inputStream));
}
httpChannel->GetReferrer(getter_AddRefs(referrerURI));
discardLayoutState = ShouldDiscardLayoutState(httpChannel);
}
aChannel->GetOwner(getter_AddRefs(owner));
}
//Title is set in nsDocShell::SetTitle()
entry->Create(aURI, // uri
EmptyString(), // Title
inputStream, // Post data stream
nsnull, // LayoutHistory state
cacheKey, // CacheKey
mContentTypeHint, // Content-type
owner, // Channel or provided owner
mHistoryID,
mDynamicallyCreated);
entry->SetReferrerURI(referrerURI);
/* If cache got a 'no-store', ask SH not to store
* HistoryLayoutState. By default, SH will set this
* flag to PR_TRUE and save HistoryLayoutState.
*/
if (discardLayoutState) {
entry->SetSaveLayoutStateFlag(PR_FALSE);
}
if (cacheChannel) {
// Check if the page has expired from cache
PRUint32 expTime = 0;
cacheChannel->GetCacheTokenExpirationTime(&expTime);
PRUint32 now = PRTimeToSeconds(PR_Now());
if (expTime <= now)
expired = PR_TRUE;
}
if (expired)
entry->SetExpirationStatus(PR_TRUE);
if (root == static_cast<nsIDocShellTreeItem *>(this) && mSessionHistory) {
// If we need to clone our children onto the new session
// history entry, do so now.
if (aCloneChildren && mOSHE) {
PRUint32 cloneID;
mOSHE->GetID(&cloneID);
nsCOMPtr<nsISHEntry> newEntry;
CloneAndReplace(mOSHE, this, cloneID, entry, PR_TRUE, getter_AddRefs(newEntry));
NS_ASSERTION(entry == newEntry, "The new session history should be in the new entry");
}
// This is the root docshell
if (LOAD_TYPE_HAS_FLAGS(mLoadType, LOAD_FLAGS_REPLACE_HISTORY)) {
// Replace current entry in session history.
PRInt32 index = 0;
mSessionHistory->GetIndex(&index);
nsCOMPtr<nsISHistoryInternal> shPrivate(do_QueryInterface(mSessionHistory));
// Replace the current entry with the new entry
if (shPrivate)
rv = shPrivate->ReplaceEntry(index, entry);
}
else {
// Add to session history
nsCOMPtr<nsISHistoryInternal>
shPrivate(do_QueryInterface(mSessionHistory));
NS_ENSURE_TRUE(shPrivate, NS_ERROR_FAILURE);
mSessionHistory->GetIndex(&mPreviousTransIndex);
rv = shPrivate->AddEntry(entry, shouldPersist);
mSessionHistory->GetIndex(&mLoadedTransIndex);
#ifdef DEBUG_PAGE_CACHE
printf("Previous index: %d, Loaded index: %d\n\n",
mPreviousTransIndex, mLoadedTransIndex);
#endif
}
}
else {
// This is a subframe.
if (!mOSHE || !LOAD_TYPE_HAS_FLAGS(mLoadType,
LOAD_FLAGS_REPLACE_HISTORY))
rv = DoAddChildSHEntry(entry, mChildOffset, aCloneChildren);
}
// Return the new SH entry...
if (aNewEntry) {
*aNewEntry = nsnull;
if (NS_SUCCEEDED(rv)) {
*aNewEntry = entry;
NS_ADDREF(*aNewEntry);
}
}
return rv;
}
NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
SAMPLE_LABEL("nsPluginStreamListenerPeer", "OnStartRequest");
if (mRequests.IndexOfObject(GetBaseRequest(request)) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = true;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
uint32_t responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
uint32_t wantsAllNetworkStreams = 0;
// We don't always have an instance here already, but if we do, check
// to see if it wants all streams.
if (mPluginInstance) {
rv = mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
&wantsAllNetworkStreams);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(rv)) {
wantsAllNetworkStreams = 0;
}
}
if (!wantsAllNetworkStreams) {
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
}
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
int64_t length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length == -1) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = length;
}
nsAutoCString aContentType; // XXX but we already got the type above!
rv = channel->GetContentType(aContentType);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!aContentType.IsEmpty())
mContentType = aContentType;
#ifdef PLUGIN_LOGGING
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, aContentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) return rv;
return rv;
}