1 files changed, 119 insertions, 0 deletions
diff --git a/modules/libjar/nsJARProtocolHandler.cpp b/modules/libjar/nsJARProtocolHandler.cpp
new file mode 100644
index 0000000000..e0bff64155
--- /dev/null
+++ b/modules/libjar/nsJARProtocolHandler.cpp
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ClearOnShutdown.h"
+#include "nsJARProtocolHandler.h"
+#include "nsComponentManagerUtils.h"
+#include "nsCRT.h"
+#include "nsJARURI.h"
+#include "nsJARChannel.h"
+#include "nsString.h"
+#include "nsNetCID.h"
+#include "nsIMIMEService.h"
+#include "nsMimeTypes.h"
+#include "nsThreadUtils.h"
+
+static NS_DEFINE_CID(kZipReaderCacheCID, NS_ZIPREADERCACHE_CID);
+
+#define NS_JAR_CACHE_SIZE 32
+
+//-----------------------------------------------------------------------------
+
+StaticRefPtr<nsJARProtocolHandler> gJarHandler;
+
+nsJARProtocolHandler::nsJARProtocolHandler() { MOZ_ASSERT(NS_IsMainThread()); }
+
+nsJARProtocolHandler::~nsJARProtocolHandler() {}
+
+nsresult nsJARProtocolHandler::Init() {
+  nsresult rv;
+
+  mJARCache = do_CreateInstance(kZipReaderCacheCID, &rv);
+  if (NS_FAILED(rv)) return rv;
+
+  rv = mJARCache->Init(NS_JAR_CACHE_SIZE);
+  return rv;
+}
+
+nsIMIMEService* nsJARProtocolHandler::MimeService() {
+  if (!mMimeService) mMimeService = do_GetService("@mozilla.org/mime;1");
+
+  return mMimeService.get();
+}
+
+NS_IMPL_ISUPPORTS(nsJARProtocolHandler, nsIProtocolHandler,
+                  nsISupportsWeakReference)
+
+already_AddRefed<nsJARProtocolHandler> nsJARProtocolHandler::GetSingleton() {
+  if (!gJarHandler) {
+    gJarHandler = new nsJARProtocolHandler();
+    if (NS_SUCCEEDED(gJarHandler->Init())) {
+      ClearOnShutdown(&gJarHandler);
+    } else {
+      gJarHandler = nullptr;
+    }
+  }
+  return do_AddRef(gJarHandler);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIProtocolHandler methods:
+
+NS_IMETHODIMP
+nsJARProtocolHandler::GetScheme(nsACString& result) {
+  result.AssignLiteral("jar");
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsJARProtocolHandler::GetDefaultPort(int32_t* result) {
+  *result = -1;  // no port for JAR: URLs
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsJARProtocolHandler::GetProtocolFlags(uint32_t* result) {
+  // URI_LOADABLE_BY_ANYONE, since it's our inner URI that will matter
+  // anyway.
+  *result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE;
+  /* Although jar uris have their own concept of relative urls
+     it is very different from the standard behaviour, so we
+     have to say norelative here! */
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsJARProtocolHandler::NewChannel(nsIURI* uri, nsILoadInfo* aLoadInfo,
+                                 nsIChannel** result) {
+  nsJARChannel* chan = new nsJARChannel();
+  if (!chan) return NS_ERROR_OUT_OF_MEMORY;
+  NS_ADDREF(chan);
+
+  nsresult rv = chan->Init(uri);
+  if (NS_FAILED(rv)) {
+    NS_RELEASE(chan);
+    return rv;
+  }
+
+  // set the loadInfo on the new channel
+  rv = chan->SetLoadInfo(aLoadInfo);
+  if (NS_FAILED(rv)) {
+    NS_RELEASE(chan);
+    return rv;
+  }
+
+  *result = chan;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsJARProtocolHandler::AllowPort(int32_t port, const char* scheme,
+                                bool* _retval) {
+  // don't override anything.
+  *_retval = false;
+  return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////