NS_IMETHODIMP
nsJARChannel::SetContentType(const nsACString &aContentType)
{
// If someone gives us a type hint we should just use that type instead of
// doing our guessing. So we don't care when this is being called.
// mContentCharset is unchanged if not parsed
NS_ParseContentType(aContentType, mContentType, mContentCharset);
return NS_OK;
}
NS_IMETHODIMP
nsGopherChannel::SetContentType(const nsACString &aContentType)
{
// If AsyncOpen has been called, then treat this value as a content-type
// override. Otherwise, treat it as a content-type hint.
//
// In the case in which we are being given a content-type hint, we have no
// ways of determining a charset on our own, so just set mContentCharset
// from the charset part of this.
nsCString *contentType = mIsPending ? &mContentType : &mContentTypeHint;
// Not in libnecko, so can't use net_ParseContentType
NS_ParseContentType(aContentType, *contentType, mContentCharset);
return NS_OK;
}
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;
}
