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-rw-r--r--uriloader/exthandler/win/nsMIMEInfoWin.cpp913
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diff --git a/uriloader/exthandler/win/nsMIMEInfoWin.cpp b/uriloader/exthandler/win/nsMIMEInfoWin.cpp
new file mode 100644
index 0000000000..758b2018a7
--- /dev/null
+++ b/uriloader/exthandler/win/nsMIMEInfoWin.cpp
@@ -0,0 +1,913 @@
+/* -*- Mode: C++; tab-width: 3; 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 "nsArrayEnumerator.h"
+#include "nsComponentManagerUtils.h"
+#include "nsCOMArray.h"
+#include "nsLocalFile.h"
+#include "nsMIMEInfoWin.h"
+#include "nsIMIMEService.h"
+#include "nsNetUtil.h"
+#include <windows.h>
+#include <shellapi.h>
+#include "nsIMutableArray.h"
+#include "nsTArray.h"
+#include <shlobj.h>
+#include "nsIWindowsRegKey.h"
+#include "nsUnicharUtils.h"
+#include "nsTextToSubURI.h"
+#include "nsVariant.h"
+#include "mozilla/CmdLineAndEnvUtils.h"
+#include "mozilla/ShellHeaderOnlyUtils.h"
+#include "mozilla/StaticPrefs_browser.h"
+#include "mozilla/UrlmonHeaderOnlyUtils.h"
+#include "mozilla/UniquePtrExtensions.h"
+
+#define RUNDLL32_EXE L"\\rundll32.exe"
+
+NS_IMPL_ISUPPORTS_INHERITED(nsMIMEInfoWin, nsMIMEInfoBase, nsIPropertyBag)
+
+nsMIMEInfoWin::~nsMIMEInfoWin() {}
+
+nsresult nsMIMEInfoWin::LaunchDefaultWithFile(nsIFile* aFile) {
+ // Launch the file, unless it is an executable.
+ bool executable = true;
+ aFile->IsExecutable(&executable);
+ if (executable) return NS_ERROR_FAILURE;
+
+ return aFile->Launch();
+}
+
+nsresult nsMIMEInfoWin::ShellExecuteWithIFile(nsIFile* aExecutable, int aArgc,
+ const wchar_t** aArgv) {
+ nsresult rv;
+
+ NS_ASSERTION(aArgc >= 1, "aArgc must be at least 1");
+
+ nsAutoString execPath;
+ rv = aExecutable->GetTarget(execPath);
+ if (NS_FAILED(rv) || execPath.IsEmpty()) {
+ rv = aExecutable->GetPath(execPath);
+ }
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ auto assembledArgs = mozilla::MakeCommandLine(aArgc, aArgv);
+ if (!assembledArgs) {
+ return NS_ERROR_FILE_EXECUTION_FAILED;
+ }
+
+ _bstr_t execPathBStr(execPath.get());
+ // Pass VT_ERROR/DISP_E_PARAMNOTFOUND to omit an optional RPC parameter
+ // to execute a file with the default verb.
+ _variant_t verbDefault(DISP_E_PARAMNOTFOUND, VT_ERROR);
+ _variant_t workingDir;
+ _variant_t showCmd(SW_SHOWNORMAL);
+
+ // Ask Explorer to ShellExecute on our behalf, as some applications such as
+ // Skype for Business do not start correctly when inheriting our process's
+ // migitation policies.
+ // It does not work in a special environment such as Citrix. In such a case
+ // we fall back to launching an application as a child process. We need to
+ // find a way to handle the combination of these interop issues.
+ mozilla::LauncherVoidResult shellExecuteOk = mozilla::ShellExecuteByExplorer(
+ execPathBStr, assembledArgs.get(), verbDefault, workingDir, showCmd);
+ if (shellExecuteOk.isErr()) {
+ // No need to pass assembledArgs to LaunchWithIProcess. aArgv will be
+ // processed in nsProcess::RunProcess.
+ return LaunchWithIProcess(aExecutable, aArgc,
+ reinterpret_cast<const char16_t**>(aArgv));
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMIMEInfoWin::LaunchWithFile(nsIFile* aFile) {
+ nsresult rv;
+
+ // it doesn't make any sense to call this on protocol handlers
+ NS_ASSERTION(mClass == eMIMEInfo,
+ "nsMIMEInfoBase should have mClass == eMIMEInfo");
+
+ if (AutomationOnlyCheckIfLaunchStubbed(aFile)) {
+ return NS_OK;
+ }
+
+ if (mPreferredAction == useSystemDefault) {
+ nsCOMPtr<nsIFile> defaultApp = GetDefaultApplication();
+ if (defaultApp &&
+ mozilla::StaticPrefs::browser_pdf_launchDefaultEdgeAsApp()) {
+ // Since Edgium is the default handler for PDF and other kinds of files,
+ // if we're using the OS default and it's Edgium prefer its app mode so it
+ // operates as a viewer (without browser toolbars). Bug 1632277.
+ nsAutoCString defaultAppExecutable;
+ rv = defaultApp->GetNativeLeafName(defaultAppExecutable);
+ if (NS_SUCCEEDED(rv) &&
+ defaultAppExecutable.LowerCaseEqualsLiteral("msedge.exe")) {
+ nsAutoString path;
+ rv = aFile->GetPath(path);
+ if (NS_SUCCEEDED(rv)) {
+ // If the --app flag doesn't work we'll want to fallback to a
+ // regular path. Send two args so we call `msedge.exe --app={path}
+ // {path}`.
+ nsAutoString appArg;
+ appArg.AppendLiteral("--app=");
+ appArg.Append(path);
+ const wchar_t* argv[] = {appArg.get(), path.get()};
+
+ return ShellExecuteWithIFile(defaultApp, mozilla::ArrayLength(argv),
+ argv);
+ }
+ }
+ }
+ return LaunchDefaultWithFile(aFile);
+ }
+
+ if (mPreferredAction == useHelperApp) {
+ if (!mPreferredApplication) return NS_ERROR_FILE_NOT_FOUND;
+
+ // at the moment, we only know how to hand files off to local handlers
+ nsCOMPtr<nsILocalHandlerApp> localHandler =
+ do_QueryInterface(mPreferredApplication, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIFile> executable;
+ rv = localHandler->GetExecutable(getter_AddRefs(executable));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Deal with local dll based handlers
+ nsCString filename;
+ executable->GetNativeLeafName(filename);
+ if (filename.Length() > 4) {
+ nsCString extension(Substring(filename, filename.Length() - 4, 4));
+
+ if (extension.LowerCaseEqualsLiteral(".dll")) {
+ nsAutoString args;
+
+ // executable is rundll32, everything else is a list of parameters,
+ // including the dll handler.
+ if (!GetDllLaunchInfo(executable, aFile, args, false))
+ return NS_ERROR_INVALID_ARG;
+
+ WCHAR rundll32Path[MAX_PATH + sizeof(RUNDLL32_EXE) / sizeof(WCHAR) +
+ 1] = {L'\0'};
+ if (!GetSystemDirectoryW(rundll32Path, MAX_PATH)) {
+ return NS_ERROR_FILE_NOT_FOUND;
+ }
+ lstrcatW(rundll32Path, RUNDLL32_EXE);
+
+ SHELLEXECUTEINFOW seinfo;
+ memset(&seinfo, 0, sizeof(seinfo));
+ seinfo.cbSize = sizeof(SHELLEXECUTEINFOW);
+ seinfo.fMask = 0;
+ seinfo.hwnd = nullptr;
+ seinfo.lpVerb = nullptr;
+ seinfo.lpFile = rundll32Path;
+ seinfo.lpParameters = args.get();
+ seinfo.lpDirectory = nullptr;
+ seinfo.nShow = SW_SHOWNORMAL;
+ if (ShellExecuteExW(&seinfo)) return NS_OK;
+
+ switch ((LONG_PTR)seinfo.hInstApp) {
+ case 0:
+ case SE_ERR_OOM:
+ return NS_ERROR_OUT_OF_MEMORY;
+ case SE_ERR_ACCESSDENIED:
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ case SE_ERR_ASSOCINCOMPLETE:
+ case SE_ERR_NOASSOC:
+ return NS_ERROR_UNEXPECTED;
+ case SE_ERR_DDEBUSY:
+ case SE_ERR_DDEFAIL:
+ case SE_ERR_DDETIMEOUT:
+ return NS_ERROR_NOT_AVAILABLE;
+ case SE_ERR_DLLNOTFOUND:
+ return NS_ERROR_FAILURE;
+ case SE_ERR_SHARE:
+ return NS_ERROR_FILE_IS_LOCKED;
+ default:
+ switch (GetLastError()) {
+ case ERROR_FILE_NOT_FOUND:
+ return NS_ERROR_FILE_NOT_FOUND;
+ case ERROR_PATH_NOT_FOUND:
+ return NS_ERROR_FILE_UNRECOGNIZED_PATH;
+ case ERROR_BAD_FORMAT:
+ return NS_ERROR_FILE_CORRUPTED;
+ }
+ }
+ return NS_ERROR_FILE_EXECUTION_FAILED;
+ }
+ }
+ nsAutoString path;
+ aFile->GetPath(path);
+ const wchar_t* argv[] = {path.get()};
+ return ShellExecuteWithIFile(executable, mozilla::ArrayLength(argv), argv);
+ }
+
+ return NS_ERROR_INVALID_ARG;
+}
+
+NS_IMETHODIMP
+nsMIMEInfoWin::GetHasDefaultHandler(bool* _retval) {
+ // We have a default application if we have a description
+ // We can ShellExecute anything; however, callers are probably interested if
+ // there is really an application associated with this type of file
+ *_retval = !mDefaultAppDescription.IsEmpty();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMIMEInfoWin::GetEnumerator(nsISimpleEnumerator** _retval) {
+ nsCOMArray<nsIVariant> properties;
+
+ nsCOMPtr<nsIVariant> variant;
+ GetProperty(u"defaultApplicationIconURL"_ns, getter_AddRefs(variant));
+ if (variant) properties.AppendObject(variant);
+
+ GetProperty(u"customApplicationIconURL"_ns, getter_AddRefs(variant));
+ if (variant) properties.AppendObject(variant);
+
+ return NS_NewArrayEnumerator(_retval, properties, NS_GET_IID(nsIVariant));
+}
+
+static nsresult GetIconURLVariant(nsIFile* aApplication, nsIVariant** _retval) {
+ nsAutoCString fileURLSpec;
+ NS_GetURLSpecFromFile(aApplication, fileURLSpec);
+ nsAutoCString iconURLSpec;
+ iconURLSpec.AssignLiteral("moz-icon://");
+ iconURLSpec += fileURLSpec;
+ RefPtr<nsVariant> writable(new nsVariant());
+ writable->SetAsAUTF8String(iconURLSpec);
+ writable.forget(_retval);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMIMEInfoWin::GetProperty(const nsAString& aName, nsIVariant** _retval) {
+ nsresult rv;
+ nsCOMPtr<nsIFile> defaultApp = GetDefaultApplication();
+ if (defaultApp && aName.EqualsLiteral(PROPERTY_DEFAULT_APP_ICON_URL)) {
+ rv = GetIconURLVariant(defaultApp, _retval);
+ NS_ENSURE_SUCCESS(rv, rv);
+ } else if (mPreferredApplication &&
+ aName.EqualsLiteral(PROPERTY_CUSTOM_APP_ICON_URL)) {
+ nsCOMPtr<nsILocalHandlerApp> localHandler =
+ do_QueryInterface(mPreferredApplication, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIFile> executable;
+ rv = localHandler->GetExecutable(getter_AddRefs(executable));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = GetIconURLVariant(executable, _retval);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ return NS_OK;
+}
+
+// this implementation was pretty much copied verbatime from
+// Tony Robinson's code in nsExternalProtocolWin.cpp
+nsresult nsMIMEInfoWin::LoadUriInternal(nsIURI* aURL) {
+ nsresult rv = NS_OK;
+
+ // 1. Find the default app for this protocol
+ // 2. Set up the command line
+ // 3. Launch the app.
+
+ // For now, we'll just cheat essentially, check for the command line
+ // then just call ShellExecute()!
+
+ if (aURL) {
+ // extract the url spec from the url
+ nsAutoCString urlSpec;
+ aURL->GetAsciiSpec(urlSpec);
+
+ // Unescape non-ASCII characters in the URL
+ nsAutoString utf16Spec;
+ if (NS_FAILED(nsTextToSubURI::UnEscapeNonAsciiURI("UTF-8"_ns, urlSpec,
+ utf16Spec))) {
+ CopyASCIItoUTF16(urlSpec, utf16Spec);
+ }
+
+ // Ask the shell/urlmon to parse |utf16Spec| to avoid malformed URLs.
+ // Failure is indicative of a potential security issue so we should
+ // bail out if so.
+ mozilla::LauncherResult<_bstr_t> validatedUri =
+ mozilla::UrlmonValidateUri(utf16Spec.get());
+ if (validatedUri.isErr()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ _variant_t args;
+ _variant_t verb(L"open");
+ _variant_t workingDir;
+ _variant_t showCmd(SW_SHOWNORMAL);
+
+ // To open a uri, we first try ShellExecuteByExplorer, which starts a new
+ // process as a child process of explorer.exe, because applications may not
+ // support the mitigation policies inherited from our process. If it fails,
+ // we fall back to ShellExecuteExW.
+ //
+ // For Thunderbird, however, there is a known issue that
+ // ShellExecuteByExplorer succeeds but explorer.exe shows an error popup
+ // if a uri to open includes credentials. This does not happen in Firefox
+ // because Firefox does not have to launch a process to open a uri.
+ //
+ // Since Thunderbird does not use mitigation policies which could cause
+ // compatibility issues, we get no benefit from using
+ // ShellExecuteByExplorer. Thus we skip it and go straight to
+ // ShellExecuteExW for Thunderbird.
+#ifndef MOZ_THUNDERBIRD
+ mozilla::LauncherVoidResult shellExecuteOk =
+ mozilla::ShellExecuteByExplorer(validatedUri.inspect(), args, verb,
+ workingDir, showCmd);
+ if (shellExecuteOk.isOk()) {
+ return NS_OK;
+ }
+#endif // MOZ_THUNDERBIRD
+
+ SHELLEXECUTEINFOW sinfo = {sizeof(sinfo)};
+ sinfo.fMask = SEE_MASK_NOASYNC;
+ sinfo.lpVerb = V_BSTR(&verb);
+ sinfo.nShow = showCmd;
+ sinfo.lpFile = validatedUri.inspect();
+
+ BOOL result = ShellExecuteExW(&sinfo);
+ if (!result || reinterpret_cast<LONG_PTR>(sinfo.hInstApp) < 32) {
+ rv = NS_ERROR_FAILURE;
+ }
+ }
+
+ return rv;
+}
+
+void nsMIMEInfoWin::UpdateDefaultInfoIfStale() {
+ if (!mIsDefaultAppInfoFresh) {
+ nsCOMPtr<nsIMIMEService> mime = do_GetService("@mozilla.org/mime;1");
+ if (mime) {
+ mime->UpdateDefaultAppInfo(static_cast<nsIMIMEInfo*>(this));
+ }
+ mIsDefaultAppInfoFresh = true;
+ }
+}
+
+// Given a path to a local file, return its nsILocalHandlerApp instance.
+bool nsMIMEInfoWin::GetLocalHandlerApp(const nsAString& aCommandHandler,
+ nsCOMPtr<nsILocalHandlerApp>& aApp) {
+ nsCOMPtr<nsIFile> locfile;
+ nsresult rv = NS_NewLocalFile(aCommandHandler, true, getter_AddRefs(locfile));
+ if (NS_FAILED(rv)) return false;
+
+ aApp = do_CreateInstance("@mozilla.org/uriloader/local-handler-app;1");
+ if (!aApp) return false;
+
+ aApp->SetExecutable(locfile);
+ return true;
+}
+
+// Return the cleaned up file path associated with a command verb
+// located in root/Applications.
+bool nsMIMEInfoWin::GetAppsVerbCommandHandler(const nsAString& appExeName,
+ nsAString& applicationPath,
+ bool edit) {
+ nsCOMPtr<nsIWindowsRegKey> appKey =
+ do_CreateInstance("@mozilla.org/windows-registry-key;1");
+ if (!appKey) return false;
+
+ // HKEY_CLASSES_ROOT\Applications\iexplore.exe
+ nsAutoString applicationsPath;
+ applicationsPath.AppendLiteral("Applications\\");
+ applicationsPath.Append(appExeName);
+
+ nsresult rv =
+ appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, applicationsPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_FAILED(rv)) return false;
+
+ // Check for the NoOpenWith flag, if it exists
+ uint32_t value;
+ if (NS_SUCCEEDED(appKey->ReadIntValue(u"NoOpenWith"_ns, &value)) &&
+ value == 1)
+ return false;
+
+ nsAutoString dummy;
+ if (NS_SUCCEEDED(appKey->ReadStringValue(u"NoOpenWith"_ns, dummy)))
+ return false;
+
+ appKey->Close();
+
+ // HKEY_CLASSES_ROOT\Applications\iexplore.exe\shell\open\command
+ applicationsPath.AssignLiteral("Applications\\");
+ applicationsPath.Append(appExeName);
+ if (!edit)
+ applicationsPath.AppendLiteral("\\shell\\open\\command");
+ else
+ applicationsPath.AppendLiteral("\\shell\\edit\\command");
+
+ rv = appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, applicationsPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_FAILED(rv)) return false;
+
+ nsAutoString appFilesystemCommand;
+ if (NS_SUCCEEDED(appKey->ReadStringValue(u""_ns, appFilesystemCommand))) {
+ // Expand environment vars, clean up any misc.
+ if (!nsLocalFile::CleanupCmdHandlerPath(appFilesystemCommand)) return false;
+
+ applicationPath = appFilesystemCommand;
+ return true;
+ }
+ return false;
+}
+
+// Return a fully populated command string based on
+// passing information. Used in launchWithFile to trace
+// back to the full handler path based on the dll.
+// (dll, targetfile, return args, open/edit)
+bool nsMIMEInfoWin::GetDllLaunchInfo(nsIFile* aDll, nsIFile* aFile,
+ nsAString& args, bool edit) {
+ if (!aDll || !aFile) return false;
+
+ nsString appExeName;
+ aDll->GetLeafName(appExeName);
+
+ nsCOMPtr<nsIWindowsRegKey> appKey =
+ do_CreateInstance("@mozilla.org/windows-registry-key;1");
+ if (!appKey) return false;
+
+ // HKEY_CLASSES_ROOT\Applications\iexplore.exe
+ nsAutoString applicationsPath;
+ applicationsPath.AppendLiteral("Applications\\");
+ applicationsPath.Append(appExeName);
+
+ nsresult rv =
+ appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, applicationsPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_FAILED(rv)) return false;
+
+ // Check for the NoOpenWith flag, if it exists
+ uint32_t value;
+ rv = appKey->ReadIntValue(u"NoOpenWith"_ns, &value);
+ if (NS_SUCCEEDED(rv) && value == 1) return false;
+
+ nsAutoString dummy;
+ if (NS_SUCCEEDED(appKey->ReadStringValue(u"NoOpenWith"_ns, dummy)))
+ return false;
+
+ appKey->Close();
+
+ // HKEY_CLASSES_ROOT\Applications\iexplore.exe\shell\open\command
+ applicationsPath.AssignLiteral("Applications\\");
+ applicationsPath.Append(appExeName);
+ if (!edit)
+ applicationsPath.AppendLiteral("\\shell\\open\\command");
+ else
+ applicationsPath.AppendLiteral("\\shell\\edit\\command");
+
+ rv = appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, applicationsPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_FAILED(rv)) return false;
+
+ nsAutoString appFilesystemCommand;
+ if (NS_SUCCEEDED(appKey->ReadStringValue(u""_ns, appFilesystemCommand))) {
+ // Replace embedded environment variables.
+ uint32_t bufLength =
+ ::ExpandEnvironmentStringsW(appFilesystemCommand.get(), nullptr, 0);
+ if (bufLength == 0) // Error
+ return false;
+
+ auto destination = mozilla::MakeUniqueFallible<wchar_t[]>(bufLength);
+ if (!destination) return false;
+ if (!::ExpandEnvironmentStringsW(appFilesystemCommand.get(),
+ destination.get(), bufLength))
+ return false;
+
+ appFilesystemCommand.Assign(destination.get());
+
+ // C:\Windows\System32\rundll32.exe "C:\Program Files\Windows
+ // Photo Gallery\PhotoViewer.dll", ImageView_Fullscreen %1
+ nsAutoString params;
+ constexpr auto rundllSegment = u"rundll32.exe "_ns;
+ int32_t index = appFilesystemCommand.Find(rundllSegment);
+ if (index > kNotFound) {
+ params.Append(
+ Substring(appFilesystemCommand, index + rundllSegment.Length()));
+ } else {
+ params.Append(appFilesystemCommand);
+ }
+
+ // check to make sure we have a %1 and fill it
+ constexpr auto percentOneParam = u"%1"_ns;
+ index = params.Find(percentOneParam);
+ if (index == kNotFound) // no parameter
+ return false;
+
+ nsString target;
+ aFile->GetTarget(target);
+ params.Replace(index, 2, target);
+
+ args = params;
+
+ return true;
+ }
+ return false;
+}
+
+// Return the cleaned up file path associated with a progid command
+// verb located in root.
+bool nsMIMEInfoWin::GetProgIDVerbCommandHandler(const nsAString& appProgIDName,
+ nsAString& applicationPath,
+ bool edit) {
+ nsCOMPtr<nsIWindowsRegKey> appKey =
+ do_CreateInstance("@mozilla.org/windows-registry-key;1");
+ if (!appKey) return false;
+
+ nsAutoString appProgId(appProgIDName);
+
+ // HKEY_CLASSES_ROOT\Windows.XPSReachViewer\shell\open\command
+ if (!edit)
+ appProgId.AppendLiteral("\\shell\\open\\command");
+ else
+ appProgId.AppendLiteral("\\shell\\edit\\command");
+
+ nsresult rv = appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, appProgId,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_FAILED(rv)) return false;
+
+ nsAutoString appFilesystemCommand;
+ if (NS_SUCCEEDED(appKey->ReadStringValue(u""_ns, appFilesystemCommand))) {
+ // Expand environment vars, clean up any misc.
+ if (!nsLocalFile::CleanupCmdHandlerPath(appFilesystemCommand)) return false;
+
+ applicationPath = appFilesystemCommand;
+ return true;
+ }
+ return false;
+}
+
+// Helper routine used in tracking app lists. Converts path
+// entries to lower case and stores them in the trackList array.
+void nsMIMEInfoWin::ProcessPath(nsCOMPtr<nsIMutableArray>& appList,
+ nsTArray<nsString>& trackList,
+ const nsAString& appFilesystemCommand) {
+ nsAutoString lower(appFilesystemCommand);
+ ToLowerCase(lower);
+
+ // Don't include firefox.exe in the list
+ WCHAR exe[MAX_PATH + 1];
+ uint32_t len = GetModuleFileNameW(nullptr, exe, MAX_PATH);
+ if (len < MAX_PATH && len != 0) {
+ int32_t index = lower.Find(reinterpret_cast<const char16_t*>(exe));
+ if (index != -1) return;
+ }
+
+ nsCOMPtr<nsILocalHandlerApp> aApp;
+ if (!GetLocalHandlerApp(appFilesystemCommand, aApp)) return;
+
+ // Save in our main tracking arrays
+ appList->AppendElement(aApp);
+ trackList.AppendElement(lower);
+}
+
+// Helper routine that handles a compare between a path
+// and an array of paths.
+static bool IsPathInList(nsAString& appPath, nsTArray<nsString>& trackList) {
+ // trackList data is always lowercase, see ProcessPath
+ // above.
+ nsAutoString tmp(appPath);
+ ToLowerCase(tmp);
+
+ for (uint32_t i = 0; i < trackList.Length(); i++) {
+ if (tmp.Equals(trackList[i])) return true;
+ }
+ return false;
+}
+
+/**
+ * Returns a list of nsILocalHandlerApp objects containing local
+ * handlers associated with this mimeinfo. Implemented per
+ * platform using information in this object to generate the
+ * best list. Typically used for an "open with" style user
+ * option.
+ *
+ * @return nsIArray of nsILocalHandlerApp
+ */
+NS_IMETHODIMP
+nsMIMEInfoWin::GetPossibleLocalHandlers(nsIArray** _retval) {
+ nsresult rv;
+
+ *_retval = nullptr;
+
+ nsCOMPtr<nsIMutableArray> appList = do_CreateInstance("@mozilla.org/array;1");
+
+ if (!appList) return NS_ERROR_FAILURE;
+
+ nsTArray<nsString> trackList;
+
+ nsAutoCString fileExt;
+ GetPrimaryExtension(fileExt);
+
+ nsCOMPtr<nsIWindowsRegKey> regKey =
+ do_CreateInstance("@mozilla.org/windows-registry-key;1");
+ if (!regKey) return NS_ERROR_FAILURE;
+ nsCOMPtr<nsIWindowsRegKey> appKey =
+ do_CreateInstance("@mozilla.org/windows-registry-key;1");
+ if (!appKey) return NS_ERROR_FAILURE;
+
+ nsAutoString workingRegistryPath;
+
+ bool extKnown = false;
+ if (fileExt.IsEmpty()) {
+ extKnown = true;
+ // Mime type discovery is possible in some cases, through
+ // HKEY_CLASSES_ROOT\MIME\Database\Content Type, however, a number
+ // of file extensions related to mime type are simply not defined,
+ // (application/rss+xml & application/atom+xml are good examples)
+ // in which case we can only provide a generic list.
+ nsAutoCString mimeType;
+ GetMIMEType(mimeType);
+ if (!mimeType.IsEmpty()) {
+ workingRegistryPath.AppendLiteral("MIME\\Database\\Content Type\\");
+ workingRegistryPath.Append(NS_ConvertASCIItoUTF16(mimeType));
+
+ rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
+ workingRegistryPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ nsAutoString mimeFileExt;
+ if (NS_SUCCEEDED(regKey->ReadStringValue(u""_ns, mimeFileExt))) {
+ CopyUTF16toUTF8(mimeFileExt, fileExt);
+ extKnown = false;
+ }
+ }
+ }
+ }
+
+ nsAutoString fileExtToUse;
+ if (!fileExt.IsEmpty() && fileExt.First() != '.') {
+ fileExtToUse = char16_t('.');
+ }
+ fileExtToUse.Append(NS_ConvertUTF8toUTF16(fileExt));
+
+ // Note, the order in which these occur has an effect on the
+ // validity of the resulting display list.
+
+ if (!extKnown) {
+ // 1) Get the default handler if it exists
+ workingRegistryPath = fileExtToUse;
+
+ rv =
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
+ workingRegistryPath, nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ nsAutoString appProgId;
+ if (NS_SUCCEEDED(regKey->ReadStringValue(u""_ns, appProgId))) {
+ // Bug 358297 - ignore the embedded internet explorer handler
+ if (appProgId != u"XPSViewer.Document"_ns) {
+ nsAutoString appFilesystemCommand;
+ if (GetProgIDVerbCommandHandler(appProgId, appFilesystemCommand,
+ false) &&
+ !IsPathInList(appFilesystemCommand, trackList)) {
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ }
+ regKey->Close();
+ }
+
+ // 2) list HKEY_CLASSES_ROOT\.ext\OpenWithList
+
+ workingRegistryPath = fileExtToUse;
+ workingRegistryPath.AppendLiteral("\\OpenWithList");
+
+ rv =
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
+ workingRegistryPath, nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ nsAutoString appName;
+ if (NS_FAILED(regKey->GetValueName(index, appName))) continue;
+
+ // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
+ nsAutoString appFilesystemCommand;
+ if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand,
+ false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ regKey->Close();
+ }
+
+ // 3) List HKEY_CLASSES_ROOT\.ext\OpenWithProgids, with the
+ // different step of resolving the progids for the command handler.
+
+ workingRegistryPath = fileExtToUse;
+ workingRegistryPath.AppendLiteral("\\OpenWithProgids");
+
+ rv =
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
+ workingRegistryPath, nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ // HKEY_CLASSES_ROOT\.ext\OpenWithProgids\Windows.XPSReachViewer
+ nsAutoString appProgId;
+ if (NS_FAILED(regKey->GetValueName(index, appProgId))) continue;
+
+ nsAutoString appFilesystemCommand;
+ if (!GetProgIDVerbCommandHandler(appProgId, appFilesystemCommand,
+ false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ regKey->Close();
+ }
+
+ // 4) Add any non configured applications located in the MRU list
+
+ // HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
+ // \Explorer\FileExts\.ext\OpenWithList
+ workingRegistryPath = nsLiteralString(
+ u"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\");
+ workingRegistryPath += fileExtToUse;
+ workingRegistryPath.AppendLiteral("\\OpenWithList");
+
+ rv =
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
+ workingRegistryPath, nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ nsAutoString appName, appValue;
+ if (NS_FAILED(regKey->GetValueName(index, appName))) continue;
+ if (appName.EqualsLiteral("MRUList")) continue;
+ if (NS_FAILED(regKey->ReadStringValue(appName, appValue))) continue;
+
+ // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
+ nsAutoString appFilesystemCommand;
+ if (!GetAppsVerbCommandHandler(appValue, appFilesystemCommand,
+ false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ }
+
+ // 5) Add any non configured progids in the MRU list, with the
+ // different step of resolving the progids for the command handler.
+
+ // HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
+ // \Explorer\FileExts\.ext\OpenWithProgids
+ workingRegistryPath = nsLiteralString(
+ u"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\");
+ workingRegistryPath += fileExtToUse;
+ workingRegistryPath.AppendLiteral("\\OpenWithProgids");
+
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER, workingRegistryPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ nsAutoString appIndex, appProgId;
+ if (NS_FAILED(regKey->GetValueName(index, appProgId))) continue;
+
+ nsAutoString appFilesystemCommand;
+ if (!GetProgIDVerbCommandHandler(appProgId, appFilesystemCommand,
+ false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ regKey->Close();
+ }
+
+ // 6) Check the perceived type value, and use this to lookup the
+ // perceivedtype open with list.
+ // http://msdn2.microsoft.com/en-us/library/aa969373.aspx
+
+ workingRegistryPath = fileExtToUse;
+
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, workingRegistryPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ nsAutoString perceivedType;
+ rv = regKey->ReadStringValue(u"PerceivedType"_ns, perceivedType);
+ if (NS_SUCCEEDED(rv)) {
+ nsAutoString openWithListPath(u"SystemFileAssociations\\"_ns);
+ openWithListPath.Append(perceivedType); // no period
+ openWithListPath.AppendLiteral("\\OpenWithList");
+
+ nsresult rv = appKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
+ openWithListPath,
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ nsAutoString appName;
+ if (NS_FAILED(regKey->GetValueName(index, appName))) continue;
+
+ // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
+ nsAutoString appFilesystemCommand;
+ if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand,
+ false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ }
+ }
+ }
+ } // extKnown == false
+
+ // 7) list global HKEY_CLASSES_ROOT\*\OpenWithList
+ // Listing general purpose handlers, not specific to a mime type or file
+ // extension
+
+ workingRegistryPath = u"*\\OpenWithList"_ns;
+
+ rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
+ workingRegistryPath, nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetValueCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ nsAutoString appName;
+ if (NS_FAILED(regKey->GetValueName(index, appName))) continue;
+
+ // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
+ nsAutoString appFilesystemCommand;
+ if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand, false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ regKey->Close();
+ }
+
+ // 8) General application's list - not file extension specific on windows
+ workingRegistryPath = u"Applications"_ns;
+
+ rv =
+ regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT, workingRegistryPath,
+ nsIWindowsRegKey::ACCESS_ENUMERATE_SUB_KEYS |
+ nsIWindowsRegKey::ACCESS_QUERY_VALUE);
+ if (NS_SUCCEEDED(rv)) {
+ uint32_t count = 0;
+ if (NS_SUCCEEDED(regKey->GetChildCount(&count)) && count > 0) {
+ for (uint32_t index = 0; index < count; index++) {
+ nsAutoString appName;
+ if (NS_FAILED(regKey->GetChildName(index, appName))) continue;
+
+ // HKEY_CLASSES_ROOT\Applications\firefox.exe = "path params"
+ nsAutoString appFilesystemCommand;
+ if (!GetAppsVerbCommandHandler(appName, appFilesystemCommand, false) ||
+ IsPathInList(appFilesystemCommand, trackList))
+ continue;
+ ProcessPath(appList, trackList, appFilesystemCommand);
+ }
+ }
+ }
+
+ // Return to the caller
+ *_retval = appList;
+ NS_ADDREF(*_retval);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMIMEInfoWin::IsCurrentAppOSDefault(bool* _retval) {
+ *_retval = false;
+ nsCOMPtr<nsIFile> defaultApp = GetDefaultApplication();
+ if (defaultApp) {
+ // Determine if the default executable is our executable.
+ nsCOMPtr<nsIFile> ourBinary;
+ XRE_GetBinaryPath(getter_AddRefs(ourBinary));
+ bool isSame = false;
+ nsresult rv = defaultApp->Equals(ourBinary, &isSame);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ *_retval = isSame;
+ }
+ return NS_OK;
+}