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/* -*- Mode: C++; tab-width: 2; 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 "nsWindowsShellService.h"
#include "nsIPrefService.h"
#include "windows.h"
#include "shellapi.h"
#include "nsIFile.h"
#include "nsDirectoryServiceDefs.h"
#include "nsUnicharUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsIProperties.h"
#include "nsString.h"
#ifdef _WIN32_WINNT
# undef _WIN32_WINNT
#endif
#define _WIN32_WINNT 0x0600
#define INITGUID
#include <shlobj.h>
#include <mbstring.h>
#ifndef MAX_BUF
# define MAX_BUF 4096
#endif
#define REG_FAILED(val) (val != ERROR_SUCCESS)
NS_IMPL_ISUPPORTS(nsWindowsShellService, nsIShellService,
nsIToolkitShellService)
static nsresult OpenKeyForReading(HKEY aKeyRoot, const nsAString& aKeyName,
HKEY* aKey) {
const nsString& flatName = PromiseFlatString(aKeyName);
DWORD res = ::RegOpenKeyExW(aKeyRoot, flatName.get(), 0, KEY_READ, aKey);
switch (res) {
case ERROR_SUCCESS:
break;
case ERROR_ACCESS_DENIED:
return NS_ERROR_FILE_ACCESS_DENIED;
case ERROR_FILE_NOT_FOUND:
return NS_ERROR_NOT_AVAILABLE;
}
return NS_OK;
}
///////////////////////////////////////////////////////////////////////////////
// Default Mail Registry Settings
///////////////////////////////////////////////////////////////////////////////
typedef enum {
NO_SUBSTITUTION = 0x00,
APP_PATH_SUBSTITUTION = 0x01
} SettingFlags;
// APP_REG_NAME_MAIL and APP_REG_NAME_NEWS should be kept in synch with
// AppRegNameMail and AppRegNameNews in the installer file: defines.nsi.in
#define APP_REG_NAME_MAIL L"Thunderbird"
#define APP_REG_NAME_NEWS L"Thunderbird (News)"
#define APP_REG_NAME_CALENDAR L"Thunderbird (Calendar)"
#define CLS_EML "ThunderbirdEML"
#define CLS_MAILTOURL "Thunderbird.Url.mailto"
#define CLS_MIDURL "Thunderbird.Url.mid"
#define CLS_NEWSURL "Thunderbird.Url.news"
#define CLS_FEEDURL "Thunderbird.Url.feed"
#define CLS_WEBCALURL "Thunderbird.Url.webcal"
#define CLS_ICS "ThunderbirdICS"
#define SOP "\\shell\\open\\command"
#define VAL_OPEN "\"%APPPATH%\" \"%1\""
#define VAL_MAIL_OPEN "\"%APPPATH%\" -osint -mail \"%1\""
#define VAL_COMPOSE_OPEN "\"%APPPATH%\" -osint -compose \"%1\""
#define MAKE_KEY_NAME1(PREFIX, MID) PREFIX MID
static SETTING gMailSettings[] = {
// File Extension Class
{".eml", "", CLS_EML, NO_SUBSTITUTION},
// File Extension Class
{MAKE_KEY_NAME1(CLS_EML, SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
// Protocol Handler Class - for Vista and above
{MAKE_KEY_NAME1(CLS_MAILTOURL, SOP), "", VAL_COMPOSE_OPEN,
APP_PATH_SUBSTITUTION},
{MAKE_KEY_NAME1(CLS_MIDURL, SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
// Protocol Handlers
{MAKE_KEY_NAME1("mailto", SOP), "", VAL_COMPOSE_OPEN,
APP_PATH_SUBSTITUTION},
{MAKE_KEY_NAME1("mid", SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
};
static SETTING gNewsSettings[] = {
// Protocol Handler Class - for Vista and above
{MAKE_KEY_NAME1(CLS_NEWSURL, SOP), "", VAL_MAIL_OPEN,
APP_PATH_SUBSTITUTION},
// Protocol Handlers
{MAKE_KEY_NAME1("news", SOP), "", VAL_MAIL_OPEN, APP_PATH_SUBSTITUTION},
{MAKE_KEY_NAME1("nntp", SOP), "", VAL_MAIL_OPEN, APP_PATH_SUBSTITUTION},
};
static SETTING gCalendarSettings[] = {
// File Extension Class
{".ics", "", CLS_ICS, NO_SUBSTITUTION},
// File Extension Class
{MAKE_KEY_NAME1(CLS_ICS, SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
// Protocol Handlers
{MAKE_KEY_NAME1(CLS_WEBCALURL, SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
{MAKE_KEY_NAME1("webcal", SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
{MAKE_KEY_NAME1("webcals", SOP), "", VAL_OPEN, APP_PATH_SUBSTITUTION},
};
nsresult GetHelperPath(nsAutoString& aPath) {
nsresult rv;
nsCOMPtr<nsIProperties> directoryService =
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> appHelper;
rv = directoryService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile),
getter_AddRefs(appHelper));
NS_ENSURE_SUCCESS(rv, rv);
rv = appHelper->Append(u"uninstall"_ns);
NS_ENSURE_SUCCESS(rv, rv);
rv = appHelper->Append(u"helper.exe"_ns);
NS_ENSURE_SUCCESS(rv, rv);
return appHelper->GetPath(aPath);
}
nsresult LaunchHelper(nsAutoString& aPath, nsAutoString& aParams) {
SHELLEXECUTEINFOW executeInfo = {0};
executeInfo.cbSize = sizeof(SHELLEXECUTEINFOW);
executeInfo.hwnd = NULL;
executeInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
executeInfo.lpDirectory = NULL;
executeInfo.lpFile = aPath.get();
executeInfo.lpParameters = aParams.get();
executeInfo.nShow = SW_SHOWNORMAL;
if (ShellExecuteExW(&executeInfo))
// Block until the program exits
WaitForSingleObject(executeInfo.hProcess, INFINITE);
else
return NS_ERROR_ABORT;
// We're going to ignore errors here since there's nothing we can do about
// them, and helper.exe seems to return non-zero ret on success.
return NS_OK;
}
nsresult nsWindowsShellService::Init() {
WCHAR appPath[MAX_BUF];
if (!::GetModuleFileNameW(0, appPath, MAX_BUF)) return NS_ERROR_FAILURE;
// Convert the path to a long path since GetModuleFileNameW returns the path
// that was used to launch the app which is not necessarily a long path.
if (!::GetLongPathNameW(appPath, appPath, MAX_BUF)) return NS_ERROR_FAILURE;
mAppLongPath = appPath;
return NS_OK;
}
nsWindowsShellService::nsWindowsShellService() : mCheckedThisSession(false) {}
NS_IMETHODIMP
nsWindowsShellService::IsDefaultClient(bool aStartupCheck, uint16_t aApps,
bool* aIsDefaultClient) {
// If this is the first mail window, maintain internal state that we've
// checked this session (so that subsequent window opens don't show the
// default client dialog).
if (aStartupCheck) mCheckedThisSession = true;
*aIsDefaultClient = true;
// for each type,
if (aApps & nsIShellService::MAIL) {
*aIsDefaultClient &=
TestForDefault(gMailSettings, sizeof(gMailSettings) / sizeof(SETTING));
// Only check if this app is default on Vista if the previous checks
// indicate that this app is the default.
if (*aIsDefaultClient)
IsDefaultClientVista(nsIShellService::MAIL, aIsDefaultClient);
}
if (aApps & nsIShellService::NEWS) {
*aIsDefaultClient &=
TestForDefault(gNewsSettings, sizeof(gNewsSettings) / sizeof(SETTING));
// Only check if this app is default on Vista if the previous checks
// indicate that this app is the default.
if (*aIsDefaultClient)
IsDefaultClientVista(nsIShellService::NEWS, aIsDefaultClient);
}
if (aApps & nsIShellService::CALENDAR) {
*aIsDefaultClient &= TestForDefault(
gCalendarSettings, sizeof(gCalendarSettings) / sizeof(SETTING));
// Only check if this app is default on Vista if the previous checks
// indicate that this app is the default.
if (*aIsDefaultClient)
IsDefaultClientVista(nsIShellService::CALENDAR, aIsDefaultClient);
}
// RSS / feed protocol shell integration is not working so return true
// until it is fixed (bug 445823).
if (aApps & nsIShellService::RSS) *aIsDefaultClient &= true;
return NS_OK;
}
NS_IMETHODIMP
nsWindowsShellService::SetDefaultClient(bool aForAllUsers, uint16_t aApps) {
nsAutoString appHelperPath;
if (NS_FAILED(GetHelperPath(appHelperPath))) return NS_ERROR_FAILURE;
nsAutoString params;
if (aForAllUsers) {
params.AppendLiteral(" /SetAsDefaultAppGlobal");
} else {
params.AppendLiteral(" /SetAsDefaultAppUser");
if (aApps & nsIShellService::MAIL) params.AppendLiteral(" Mail");
if (aApps & nsIShellService::NEWS) params.AppendLiteral(" News");
if (aApps & nsIShellService::CALENDAR) params.AppendLiteral(" Calendar");
}
return LaunchHelper(appHelperPath, params);
}
NS_IMETHODIMP
nsWindowsShellService::GetShouldCheckDefaultClient(bool* aResult) {
if (mCheckedThisSession) {
*aResult = false;
return NS_OK;
}
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
return prefs->GetBoolPref("mail.shell.checkDefaultClient", aResult);
}
NS_IMETHODIMP
nsWindowsShellService::SetShouldCheckDefaultClient(bool aShouldCheck) {
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
return prefs->SetBoolPref("mail.shell.checkDefaultClient", aShouldCheck);
}
/* helper routine. Iterate over the passed in settings object. */
bool nsWindowsShellService::TestForDefault(SETTING aSettings[], int32_t aSize) {
bool isDefault = true;
char16_t currValue[MAX_BUF];
SETTING* end = aSettings + aSize;
for (SETTING* settings = aSettings; settings < end; ++settings) {
NS_ConvertUTF8toUTF16 dataLongPath(settings->valueData);
NS_ConvertUTF8toUTF16 key(settings->keyName);
NS_ConvertUTF8toUTF16 value(settings->valueName);
if (settings->flags & APP_PATH_SUBSTITUTION) {
int32_t offset = dataLongPath.Find(u"%APPPATH%");
dataLongPath.Replace(offset, 9, mAppLongPath);
}
::ZeroMemory(currValue, sizeof(currValue));
HKEY theKey;
nsresult rv = OpenKeyForReading(HKEY_CLASSES_ROOT, key, &theKey);
if (NS_FAILED(rv)) {
// Key doesn't exist
isDefault = false;
break;
}
DWORD len = sizeof currValue;
DWORD result = ::RegQueryValueExW(theKey, value.get(), NULL, NULL,
(LPBYTE)currValue, &len);
// Close the key we opened.
::RegCloseKey(theKey);
if (REG_FAILED(result) ||
!dataLongPath.Equals(currValue, nsCaseInsensitiveStringComparator)) {
// Key wasn't set, or was set to something else (something else became the
// default client)
isDefault = false;
break;
}
} // for each registry key we want to look at
return isDefault;
}
bool nsWindowsShellService::IsDefaultClientVista(uint16_t aApps,
bool* aIsDefaultClient) {
IApplicationAssociationRegistration* pAAR;
HRESULT hr = CoCreateInstance(
CLSID_ApplicationAssociationRegistration, NULL, CLSCTX_INPROC,
IID_IApplicationAssociationRegistration, (void**)&pAAR);
if (SUCCEEDED(hr)) {
BOOL isDefaultMail = true;
BOOL isDefaultNews = true;
BOOL isDefaultCalendar = true;
if (aApps & nsIShellService::MAIL)
pAAR->QueryAppIsDefaultAll(AL_EFFECTIVE, APP_REG_NAME_MAIL,
&isDefaultMail);
if (aApps & nsIShellService::NEWS)
pAAR->QueryAppIsDefaultAll(AL_EFFECTIVE, APP_REG_NAME_NEWS,
&isDefaultNews);
if (aApps & nsIShellService::CALENDAR)
pAAR->QueryAppIsDefaultAll(AL_EFFECTIVE, APP_REG_NAME_CALENDAR,
&isDefaultCalendar);
*aIsDefaultClient = isDefaultNews && isDefaultMail && isDefaultCalendar;
pAAR->Release();
return true;
}
return false;
}