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gecko-dev/uriloader/exthandler/win/nsMIMEInfoWin.cpp

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29 KiB
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/* -*- 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 "nsCOMArray.h"
#include "nsIFile.h"
#include "nsIVariant.h"
#include "nsMIMEInfoWin.h"
#include "nsNetUtil.h"
#include <windows.h>
#include <shellapi.h>
#include "nsAutoPtr.h"
#include "nsIMutableArray.h"
#include "nsTArray.h"
#include "shlobj.h"
#include "windows.h"
#include "nsIWindowsRegKey.h"
#include "nsIProcess.h"
#include "nsOSHelperAppService.h"
#include "nsUnicharUtils.h"
#include "nsITextToSubURI.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();
}
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 (mPreferredAction == useSystemDefault) {
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);
nsAutoString path;
aFile->GetPath(path);
// 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;
}
}
return LaunchWithIProcess(executable, path);
}
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(NS_LITERAL_STRING("defaultApplicationIconURL"), getter_AddRefs(variant));
if (variant)
properties.AppendObject(variant);
GetProperty(NS_LITERAL_STRING("customApplicationIconURL"), getter_AddRefs(variant));
if (variant)
properties.AppendObject(variant);
return NS_NewArrayEnumerator(_retval, properties);
}
static nsresult GetIconURLVariant(nsIFile* aApplication, nsIVariant* *_retval)
{
nsresult rv = CallCreateInstance("@mozilla.org/variant;1", _retval);
if (NS_FAILED(rv))
return rv;
nsAutoCString fileURLSpec;
NS_GetURLSpecFromFile(aApplication, fileURLSpec);
nsAutoCString iconURLSpec; iconURLSpec.AssignLiteral("moz-icon://");
iconURLSpec += fileURLSpec;
nsCOMPtr<nsIWritableVariant> writable(do_QueryInterface(*_retval));
writable->SetAsAUTF8String(iconURLSpec);
return NS_OK;
}
NS_IMETHODIMP
nsMIMEInfoWin::GetProperty(const nsAString& aName, nsIVariant* *_retval)
{
nsresult rv;
if (mDefaultApplication && aName.EqualsLiteral(PROPERTY_DEFAULT_APP_ICON_URL)) {
rv = GetIconURLVariant(mDefaultApplication, _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
nsAutoCString urlCharset;
nsAutoString utf16Spec;
rv = aURL->GetOriginCharset(urlCharset);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsITextToSubURI> textToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = textToSubURI->UnEscapeNonAsciiURI(urlCharset, urlSpec, utf16Spec);
NS_ENSURE_SUCCESS(rv, rv);
static const wchar_t cmdVerb[] = L"open";
SHELLEXECUTEINFOW sinfo;
memset(&sinfo, 0, sizeof(sinfo));
sinfo.cbSize = sizeof(sinfo);
sinfo.fMask = SEE_MASK_FLAG_DDEWAIT |
SEE_MASK_FLAG_NO_UI;
sinfo.hwnd = nullptr;
sinfo.lpVerb = (LPWSTR)&cmdVerb;
sinfo.nShow = SW_SHOWNORMAL;
LPITEMIDLIST pidl = nullptr;
SFGAOF sfgao;
// Bug 394974
if (SUCCEEDED(SHParseDisplayName(utf16Spec.get(), nullptr,
&pidl, 0, &sfgao))) {
sinfo.lpIDList = pidl;
sinfo.fMask |= SEE_MASK_INVOKEIDLIST;
} else {
// SHParseDisplayName failed. Bailing out as work around for
// Microsoft Security Bulletin MS07-061
rv = NS_ERROR_FAILURE;
}
if (NS_SUCCEEDED(rv)) {
BOOL result = ShellExecuteExW(&sinfo);
if (!result || ((LONG_PTR)sinfo.hInstApp) < 32)
rv = NS_ERROR_FAILURE;
}
if (pidl)
CoTaskMemFree(pidl);
}
return rv;
}
// 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(
NS_LITERAL_STRING("NoOpenWith"), &value)) &&
value == 1)
return false;
nsAutoString dummy;
if (NS_SUCCEEDED(appKey->ReadStringValue(
NS_LITERAL_STRING("NoOpenWith"), 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(EmptyString(),
appFilesystemCommand))) {
// Expand environment vars, clean up any misc.
if (!nsOSHelperAppService::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(NS_LITERAL_STRING("NoOpenWith"), &value);
if (NS_SUCCEEDED(rv) && value == 1)
return false;
nsAutoString dummy;
if (NS_SUCCEEDED(appKey->ReadStringValue(NS_LITERAL_STRING("NoOpenWith"),
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(EmptyString(),
appFilesystemCommand))) {
// Replace embedded environment variables.
uint32_t bufLength =
::ExpandEnvironmentStringsW(appFilesystemCommand.get(),
L"", 0);
if (bufLength == 0) // Error
return false;
nsAutoArrayPtr<wchar_t> destination(new wchar_t[bufLength]);
if (!destination)
return false;
if (!::ExpandEnvironmentStringsW(appFilesystemCommand.get(),
destination,
bufLength))
return false;
appFilesystemCommand = static_cast<const wchar_t*>(destination);
// C:\Windows\System32\rundll32.exe "C:\Program Files\Windows
// Photo Gallery\PhotoViewer.dll", ImageView_Fullscreen %1
nsAutoString params;
NS_NAMED_LITERAL_STRING(rundllSegment, "rundll32.exe ");
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
NS_NAMED_LITERAL_STRING(percentOneParam, "%1");
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(EmptyString(), appFilesystemCommand))) {
// Expand environment vars, clean up any misc.
if (!nsOSHelperAppService::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) {
uint32_t index = lower.Find(exe);
if (index != -1)
return;
}
nsCOMPtr<nsILocalHandlerApp> aApp;
if (!GetLocalHandlerApp(appFilesystemCommand, aApp))
return;
// Save in our main tracking arrays
appList->AppendElement(aApp, false);
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(EmptyString(), mimeFileExt))) {
CopyUTF16toUTF8(mimeFileExt, fileExt);
extKnown = false;
}
}
}
}
nsAutoString fileExtToUse;
if (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(EmptyString(), appProgId))) {
// Bug 358297 - ignore the embedded internet explorer handler
if (appProgId != NS_LITERAL_STRING("XPSViewer.Document")) {
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 =
NS_LITERAL_STRING("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 =
NS_LITERAL_STRING("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(NS_LITERAL_STRING("PerceivedType"),
perceivedType);
if (NS_SUCCEEDED(rv)) {
nsAutoString openWithListPath(NS_LITERAL_STRING("SystemFileAssociations\\"));
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 = NS_LITERAL_STRING("*\\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();
}
// 8) General application's list - not file extension specific on windows
workingRegistryPath = NS_LITERAL_STRING("Applications");
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;
}
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