Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 266 insertions, 0 deletions

diff --git a/netwerk/protocol/file/nsFileProtocolHandler.cpp b/netwerk/protocol/file/nsFileProtocolHandler.cpp
new file mode 100644
index 0000000000..99e2f2bcc2
--- /dev/null
+++ b/netwerk/protocol/file/nsFileProtocolHandler.cpp
@@ -0,0 +1,266 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+// vim:ts=4 sw=2 sts=2 et cin:
+/* 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 "nsIFile.h"
+#include "nsFileProtocolHandler.h"
+#include "nsFileChannel.h"
+#include "nsStandardURL.h"
+#include "nsURLHelper.h"
+#include "nsIURIMutator.h"
+
+#include "nsNetUtil.h"
+
+#include "FileChannelChild.h"
+
+#include "mozilla/ResultExtensions.h"
+#include "mozilla/net/NeckoCommon.h"
+
+// URL file handling, copied and modified from
+// xpfe/components/bookmarks/src/nsBookmarksService.cpp
+#ifdef XP_WIN
+#  include <shlobj.h>
+#  include <intshcut.h>
+#  include "nsIFileURL.h"
+#  ifdef CompareString
+#    undef CompareString
+#  endif
+#endif
+
+// URL file handling for freedesktop.org
+#ifdef XP_UNIX
+#  include "nsINIParser.h"
+#  define DESKTOP_ENTRY_SECTION "Desktop Entry"
+#endif
+
+//-----------------------------------------------------------------------------
+
+nsresult nsFileProtocolHandler::Init() { return NS_OK; }
+
+NS_IMPL_ISUPPORTS(nsFileProtocolHandler, nsIFileProtocolHandler,
+                  nsIProtocolHandler, nsISupportsWeakReference)
+
+//-----------------------------------------------------------------------------
+// nsIProtocolHandler methods:
+
+#if defined(XP_WIN)
+NS_IMETHODIMP
+nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI) {
+  nsAutoString path;
+  nsresult rv = aFile->GetPath(path);
+  if (NS_FAILED(rv)) return rv;
+
+  if (path.Length() < 4) return NS_ERROR_NOT_AVAILABLE;
+  if (!StringTail(path, 4).LowerCaseEqualsLiteral(".url"))
+    return NS_ERROR_NOT_AVAILABLE;
+
+  HRESULT result;
+
+  rv = NS_ERROR_NOT_AVAILABLE;
+
+  IUniformResourceLocatorW* urlLink = nullptr;
+  result =
+      ::CoCreateInstance(CLSID_InternetShortcut, nullptr, CLSCTX_INPROC_SERVER,
+                         IID_IUniformResourceLocatorW, (void**)&urlLink);
+  if (SUCCEEDED(result) && urlLink) {
+    IPersistFile* urlFile = nullptr;
+    result = urlLink->QueryInterface(IID_IPersistFile, (void**)&urlFile);
+    if (SUCCEEDED(result) && urlFile) {
+      result = urlFile->Load(path.get(), STGM_READ);
+      if (SUCCEEDED(result)) {
+        LPWSTR lpTemp = nullptr;
+
+        // The URL this method will give us back seems to be already
+        // escaped. Hence, do not do escaping of our own.
+        result = urlLink->GetURL(&lpTemp);
+        if (SUCCEEDED(result) && lpTemp) {
+          rv = NS_NewURI(aURI, nsDependentString(lpTemp));
+          // free the string that GetURL alloc'd
+          CoTaskMemFree(lpTemp);
+        }
+      }
+      urlFile->Release();
+    }
+    urlLink->Release();
+  }
+  return rv;
+}
+
+#elif defined(XP_UNIX)
+NS_IMETHODIMP
+nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI) {
+  // We only support desktop files that end in ".desktop" like the spec says:
+  // http://standards.freedesktop.org/desktop-entry-spec/latest/ar01s02.html
+  nsAutoCString leafName;
+  nsresult rv = aFile->GetNativeLeafName(leafName);
+  if (NS_FAILED(rv) || !StringEndsWith(leafName, ".desktop"_ns)) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  bool isFile = false;
+  rv = aFile->IsFile(&isFile);
+  if (NS_FAILED(rv) || !isFile) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  nsINIParser parser;
+  rv = parser.Init(aFile);
+  if (NS_FAILED(rv)) return rv;
+
+  nsAutoCString type;
+  parser.GetString(DESKTOP_ENTRY_SECTION, "Type", type);
+  if (!type.EqualsLiteral("Link")) return NS_ERROR_NOT_AVAILABLE;
+
+  nsAutoCString url;
+  rv = parser.GetString(DESKTOP_ENTRY_SECTION, "URL", url);
+  if (NS_FAILED(rv) || url.IsEmpty()) return NS_ERROR_NOT_AVAILABLE;
+
+  return NS_NewURI(aURI, url);
+}
+
+#else   // other platforms
+NS_IMETHODIMP
+nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI) {
+  return NS_ERROR_NOT_AVAILABLE;
+}
+#endif  // ReadURLFile()
+
+NS_IMETHODIMP
+nsFileProtocolHandler::ReadShellLink(nsIFile* aFile, nsIURI** aURI) {
+#if defined(XP_WIN)
+  nsAutoString path;
+  MOZ_TRY(aFile->GetPath(path));
+
+  if (path.Length() < 4 ||
+      !StringTail(path, 4).LowerCaseEqualsLiteral(".lnk")) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+  RefPtr<IPersistFile> persistFile;
+  RefPtr<IShellLinkW> shellLink;
+  WCHAR lpTemp[MAX_PATH];
+  // Get a pointer to the IPersistFile interface.
+  if (FAILED(CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER,
+                              IID_IShellLinkW, getter_AddRefs(shellLink))) ||
+      FAILED(shellLink->QueryInterface(IID_IPersistFile,
+                                       getter_AddRefs(persistFile))) ||
+      FAILED(persistFile->Load(path.get(), STGM_READ)) ||
+      FAILED(shellLink->Resolve(nullptr, SLR_NO_UI)) ||
+      FAILED(shellLink->GetPath(lpTemp, MAX_PATH, nullptr, SLGP_UNCPRIORITY))) {
+    return NS_ERROR_FAILURE;
+  }
+  nsCOMPtr<nsIFile> linkedFile;
+  MOZ_TRY(NS_NewLocalFile(nsDependentString(lpTemp), false,
+                          getter_AddRefs(linkedFile)));
+  return NS_NewFileURI(aURI, linkedFile);
+#else
+  return NS_ERROR_NOT_AVAILABLE;
+#endif
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::GetScheme(nsACString& result) {
+  result.AssignLiteral("file");
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::NewChannel(nsIURI* uri, nsILoadInfo* aLoadInfo,
+                                  nsIChannel** result) {
+  nsresult rv;
+
+  RefPtr<nsFileChannel> chan;
+  if (mozilla::net::IsNeckoChild()) {
+    chan = new mozilla::net::FileChannelChild(uri);
+  } else {
+    chan = new nsFileChannel(uri);
+  }
+
+  // set the loadInfo on the new channel ; must do this
+  // before calling Init() on it, since it needs the load
+  // info be already set.
+  rv = chan->SetLoadInfo(aLoadInfo);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  rv = chan->Init();
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  chan.forget(result);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::AllowPort(int32_t port, const char* scheme,
+                                 bool* result) {
+  // don't override anything.
+  *result = false;
+  return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// nsIFileProtocolHandler methods:
+
+NS_IMETHODIMP
+nsFileProtocolHandler::NewFileURI(nsIFile* aFile, nsIURI** aResult) {
+  NS_ENSURE_ARG_POINTER(aFile);
+
+  RefPtr<nsIFile> file(aFile);
+  // NOTE: the origin charset is assigned the value of the platform
+  // charset by the SetFile method.
+  return NS_MutateURI(new mozilla::net::nsStandardURL::Mutator())
+      .Apply(&nsIFileURLMutator::SetFile, file)
+      .Finalize(aResult);
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::NewFileURIMutator(nsIFile* aFile,
+                                         nsIURIMutator** aResult) {
+  NS_ENSURE_ARG_POINTER(aFile);
+  nsresult rv;
+
+  nsCOMPtr<nsIURIMutator> mutator = new mozilla::net::nsStandardURL::Mutator();
+  nsCOMPtr<nsIFileURLMutator> fileMutator = do_QueryInterface(mutator, &rv);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  // NOTE: the origin charset is assigned the value of the platform
+  // charset by the SetFile method.
+  rv = fileMutator->SetFile(aFile);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  mutator.forget(aResult);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::GetURLSpecFromFile(nsIFile* file, nsACString& result) {
+  NS_ENSURE_ARG_POINTER(file);
+  return net_GetURLSpecFromFile(file, result);
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::GetURLSpecFromActualFile(nsIFile* file,
+                                                nsACString& result) {
+  NS_ENSURE_ARG_POINTER(file);
+  return net_GetURLSpecFromActualFile(file, result);
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::GetURLSpecFromDir(nsIFile* file, nsACString& result) {
+  NS_ENSURE_ARG_POINTER(file);
+  return net_GetURLSpecFromDir(file, result);
+}
+
+NS_IMETHODIMP
+nsFileProtocolHandler::GetFileFromURLSpec(const nsACString& spec,
+                                          nsIFile** result) {
+  return net_GetFileFromURLSpec(spec, result);
+}