NS_IMETHODIMP
nsChromeProtocolHandler::NewChannel(nsIURI* aURI,
nsIChannel* *aResult)
{
nsresult rv;
NS_ENSURE_ARG_POINTER(aURI);
NS_PRECONDITION(aResult, "Null out param");
#ifdef DEBUG
// Check that the uri we got is already canonified
nsresult debug_rv;
nsCOMPtr<nsIURI> debugClone;
debug_rv = aURI->Clone(getter_AddRefs(debugClone));
if (NS_SUCCEEDED(debug_rv)) {
nsCOMPtr<nsIURL> debugURL (do_QueryInterface(debugClone));
debug_rv = nsChromeRegistry::Canonify(debugURL);
if (NS_SUCCEEDED(debug_rv)) {
bool same;
debug_rv = aURI->Equals(debugURL, &same);
if (NS_SUCCEEDED(debug_rv)) {
NS_ASSERTION(same, "Non-canonified chrome uri passed to nsChromeProtocolHandler::NewChannel!");
}
}
}
#endif
nsCOMPtr<nsIChannel> result;
if (!nsChromeRegistry::gChromeRegistry) {
// We don't actually want this ref, we just want the service to
// initialize if it hasn't already.
nsCOMPtr<nsIChromeRegistry> reg =
mozilla::services::GetChromeRegistryService();
NS_ENSURE_TRUE(nsChromeRegistry::gChromeRegistry, NS_ERROR_FAILURE);
}
nsCOMPtr<nsIURI> resolvedURI;
rv = nsChromeRegistry::gChromeRegistry->ConvertChromeURL(aURI, getter_AddRefs(resolvedURI));
if (NS_FAILED(rv)) {
#ifdef DEBUG
nsAutoCString spec;
aURI->GetSpec(spec);
printf("Couldn't convert chrome URL: %s\n", spec.get());
#endif
return rv;
}
nsCOMPtr<nsIIOService> ioServ(do_GetIOService(&rv));
NS_ENSURE_SUCCESS(rv, rv);
rv = ioServ->NewChannelFromURI(resolvedURI, getter_AddRefs(result));
if (NS_FAILED(rv)) return rv;
#ifdef DEBUG
nsCOMPtr<nsIFileChannel> fileChan(do_QueryInterface(result));
if (fileChan) {
nsCOMPtr<nsIFile> file;
fileChan->GetFile(getter_AddRefs(file));
bool exists = false;
file->Exists(&exists);
if (!exists) {
nsAutoCString path;
file->GetNativePath(path);
printf("Chrome file doesn't exist: %s\n", path.get());
}
}
#endif
// Make sure that the channel remembers where it was
// originally loaded from.
nsLoadFlags loadFlags = 0;
result->GetLoadFlags(&loadFlags);
result->SetLoadFlags(loadFlags & ~nsIChannel::LOAD_REPLACE);
rv = result->SetOriginalURI(aURI);
if (NS_FAILED(rv)) return rv;
// Get a system principal for content files and set the owner
// property of the result
nsCOMPtr<nsIURL> url = do_QueryInterface(aURI);
nsAutoCString path;
rv = url->GetPath(path);
if (StringBeginsWith(path, NS_LITERAL_CSTRING("/content/")))
{
nsCOMPtr<nsIScriptSecurityManager> securityManager =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIPrincipal> principal;
rv = securityManager->GetSystemPrincipal(getter_AddRefs(principal));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsISupports> owner = do_QueryInterface(principal);
result->SetOwner(owner);
}
// XXX Removed dependency-tracking code from here, because we're not
// tracking them anyways (with fastload we checked only in DEBUG
// and with startupcache not at all), but this is where we would start
// if we need to re-add.
// See bug 531886, bug 533038.
result->SetContentCharset(NS_LITERAL_CSTRING("UTF-8"));
*aResult = result;
NS_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsChromeProtocolHandler::NewChannel(nsIURI *aURI, nsILoadInfo *aLoadInfo,
nsIChannel **aResult) {
nsresult rv;
NS_ENSURE_ARG_POINTER(aURI);
NS_ENSURE_ARG_POINTER(aLoadInfo);
MOZ_ASSERT(aResult, "Null out param");
#ifdef DEBUG
// Check that the uri we got is already canonified
nsresult debug_rv;
nsCOMPtr<nsIURI> debugURL = aURI;
debug_rv = nsChromeRegistry::Canonify(debugURL);
if (NS_SUCCEEDED(debug_rv)) {
bool same;
debug_rv = aURI->Equals(debugURL, &same);
if (NS_SUCCEEDED(debug_rv)) {
NS_ASSERTION(same,
"Non-canonified chrome uri passed to "
"nsChromeProtocolHandler::NewChannel!");
}
}
#endif
nsCOMPtr<nsIChannel> result;
if (!nsChromeRegistry::gChromeRegistry) {
// We don't actually want this ref, we just want the service to
// initialize if it hasn't already.
nsCOMPtr<nsIChromeRegistry> reg =
mozilla::services::GetChromeRegistryService();
NS_ENSURE_TRUE(nsChromeRegistry::gChromeRegistry, NS_ERROR_FAILURE);
}
nsCOMPtr<nsIURI> resolvedURI;
rv = nsChromeRegistry::gChromeRegistry->ConvertChromeURL(
aURI, getter_AddRefs(resolvedURI));
if (NS_FAILED(rv)) {
#ifdef DEBUG
printf("Couldn't convert chrome URL: %s\n", aURI->GetSpecOrDefault().get());
#endif
return rv;
}
// We don't want to allow the inner protocol handler modify the result
// principal URI since we want either |aURI| or anything pre-set by upper
// layers to prevail.
nsCOMPtr<nsIURI> savedResultPrincipalURI;
rv =
aLoadInfo->GetResultPrincipalURI(getter_AddRefs(savedResultPrincipalURI));
NS_ENSURE_SUCCESS(rv, rv);
rv = NS_NewChannelInternal(getter_AddRefs(result), resolvedURI, aLoadInfo);
NS_ENSURE_SUCCESS(rv, rv);
#ifdef DEBUG
nsCOMPtr<nsIFileChannel> fileChan(do_QueryInterface(result));
if (fileChan) {
nsCOMPtr<nsIFile> file;
fileChan->GetFile(getter_AddRefs(file));
bool exists = false;
file->Exists(&exists);
if (!exists) {
printf("Chrome file doesn't exist: %s\n",
file->HumanReadablePath().get());
}
}
#endif
// Make sure that the channel remembers where it was
// originally loaded from.
rv = aLoadInfo->SetResultPrincipalURI(savedResultPrincipalURI);
NS_ENSURE_SUCCESS(rv, rv);
rv = result->SetOriginalURI(aURI);
if (NS_FAILED(rv)) return rv;
// Get a system principal for content files and set the owner
// property of the result
nsCOMPtr<nsIURL> url = do_QueryInterface(aURI);
nsAutoCString path;
rv = url->GetPathQueryRef(path);
if (StringBeginsWith(path, NS_LITERAL_CSTRING("/content/"))) {
result->SetOwner(nsContentUtils::GetSystemPrincipal());
}
// XXX Removed dependency-tracking code from here, because we're not
// tracking them anyways (with fastload we checked only in DEBUG
// and with startupcache not at all), but this is where we would start
// if we need to re-add.
// See bug 531886, bug 533038.
result->SetContentCharset(NS_LITERAL_CSTRING("UTF-8"));
*aResult = result;
NS_ADDREF(*aResult);
return NS_OK;
}