/*
 * Internet Security and Zone Manager
 *
 * Copyright (c) 2004 Huw D M Davies
 * Copyright 2004 Jacek Caban
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdarg.h>
#include <stdio.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wine/debug.h"
#include "ole2.h"
#include "wine/unicode.h"
#include "urlmon.h"
#include "urlmon_main.h"

WINE_DEFAULT_DEBUG_CHANNEL(urlmon);

/***********************************************************************
 *           InternetSecurityManager implementation
 *
 */
typedef struct {
    const IInternetSecurityManagerVtbl* lpInternetSecurityManagerVtbl;

    LONG ref;

    IInternetSecurityMgrSite *mgrsite;
    IInternetSecurityManager *custom_manager;
} SecManagerImpl;

#define SECMGR_THIS(iface) DEFINE_THIS(SecManagerImpl, InternetSecurityManager, iface)

static HRESULT WINAPI SecManagerImpl_QueryInterface(IInternetSecurityManager* iface,REFIID riid,void** ppvObject)
{
    SecManagerImpl *This = SECMGR_THIS(iface);

    TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppvObject);

    /* Perform a sanity check on the parameters.*/
    if ( (This==0) || (ppvObject==0) )
	return E_INVALIDARG;

    /* Initialize the return parameter */
    *ppvObject = 0;

    /* Compare the riid with the interface IDs implemented by this object.*/
    if (IsEqualIID(&IID_IUnknown, riid) ||
        IsEqualIID(&IID_IInternetSecurityManager, riid))
        *ppvObject = iface;

    /* Check that we obtained an interface.*/
    if (!*ppvObject) {
        WARN("not supported interface %s\n", debugstr_guid(riid));
        return E_NOINTERFACE;
    }

    /* Query Interface always increases the reference count by one when it is successful */
    IInternetSecurityManager_AddRef(iface);

    return S_OK;
}

static ULONG WINAPI SecManagerImpl_AddRef(IInternetSecurityManager* iface)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    ULONG refCount = InterlockedIncrement(&This->ref);

    TRACE("(%p) ref=%lu\n", This, refCount);

    return refCount;
}

static ULONG WINAPI SecManagerImpl_Release(IInternetSecurityManager* iface)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    ULONG refCount = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%lu\n", This, refCount);

    /* destroy the object if there's no more reference on it */
    if (!refCount){
        if(This->mgrsite)
            IInternetSecurityMgrSite_Release(This->mgrsite);
        if(This->custom_manager)
            IInternetSecurityManager_Release(This->custom_manager);

        HeapFree(GetProcessHeap(),0,This);

        URLMON_UnlockModule();
    }

    return refCount;
}

static HRESULT WINAPI SecManagerImpl_SetSecuritySite(IInternetSecurityManager *iface,
                                                     IInternetSecurityMgrSite *pSite)
{
    SecManagerImpl *This = SECMGR_THIS(iface);

    TRACE("(%p)->(%p)\n", This, pSite);

    if(This->mgrsite)
        IInternetSecurityMgrSite_Release(This->mgrsite);

    if(This->custom_manager) {
        IInternetSecurityManager_Release(This->custom_manager);
        This->custom_manager = NULL;
    }

    This->mgrsite = pSite;

    if(pSite) {
        IServiceProvider *servprov;
        HRESULT hres;

        IInternetSecurityMgrSite_AddRef(pSite);

        hres = IInternetSecurityMgrSite_QueryInterface(pSite, &IID_IServiceProvider,
                (void**)&servprov);
        if(SUCCEEDED(hres)) {
            IServiceProvider_QueryService(servprov, &SID_SInternetSecurityManager,
                    &IID_IInternetSecurityManager, (void**)&This->custom_manager);
            IServiceProvider_Release(servprov);
        }
    }

    return S_OK;
}

static HRESULT WINAPI SecManagerImpl_GetSecuritySite(IInternetSecurityManager *iface,
                                                     IInternetSecurityMgrSite **ppSite)
{
    SecManagerImpl *This = SECMGR_THIS(iface);

    TRACE("(%p)->(%p)\n", This, ppSite);

    if(!ppSite)
        return E_INVALIDARG;

    if(This->mgrsite)
        IInternetSecurityMgrSite_AddRef(This->mgrsite);

    *ppSite = This->mgrsite;
    return S_OK;
}

static HRESULT WINAPI SecManagerImpl_MapUrlToZone(IInternetSecurityManager *iface,
                                                  LPCWSTR pwszUrl, DWORD *pdwZone,
                                                  DWORD dwFlags)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%s %p %08lx)\n", iface, debugstr_w(pwszUrl), pdwZone, dwFlags);

    if(This->custom_manager) {
        hres = IInternetSecurityManager_MapUrlToZone(This->custom_manager,
                pwszUrl, pdwZone, dwFlags);
        if(hres != INET_E_DEFAULT_ACTION)
            return hres;
    }

    FIXME("Default action is not implemented\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI SecManagerImpl_GetSecurityId(IInternetSecurityManager *iface, 
                                                   LPCWSTR pwszUrl,
                                                   BYTE *pbSecurityId, DWORD *pcbSecurityId,
                                                   DWORD_PTR dwReserved)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%s %p %p %08lx)\n", iface, debugstr_w(pwszUrl), pbSecurityId, pcbSecurityId,
          dwReserved);

    if(This->custom_manager) {
        hres = IInternetSecurityManager_GetSecurityId(This->custom_manager,
                pwszUrl, pbSecurityId, pcbSecurityId, dwReserved);
        if(hres != INET_E_DEFAULT_ACTION)
            return hres;
    }

    FIXME("Default action is not implemented\n");
    return E_NOTIMPL;
}


static HRESULT WINAPI SecManagerImpl_ProcessUrlAction(IInternetSecurityManager *iface,
                                                      LPCWSTR pwszUrl, DWORD dwAction,
                                                      BYTE *pPolicy, DWORD cbPolicy,
                                                      BYTE *pContext, DWORD cbContext,
                                                      DWORD dwFlags, DWORD dwReserved)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%s %08lx %p %08lx %p %08lx %08lx %08lx)\n", iface, debugstr_w(pwszUrl), dwAction,
          pPolicy, cbPolicy, pContext, cbContext, dwFlags, dwReserved);

    if(This->custom_manager) {
        hres = IInternetSecurityManager_ProcessUrlAction(This->custom_manager, pwszUrl, dwAction,
                pPolicy, cbPolicy, pContext, cbContext, dwFlags, dwReserved);
        if(hres != INET_E_DEFAULT_ACTION)
            return hres;
    }

    FIXME("Default action is not implemented\n");
    return E_NOTIMPL;
}
                                               

static HRESULT WINAPI SecManagerImpl_QueryCustomPolicy(IInternetSecurityManager *iface,
                                                       LPCWSTR pwszUrl, REFGUID guidKey,
                                                       BYTE **ppPolicy, DWORD *pcbPolicy,
                                                       BYTE *pContext, DWORD cbContext,
                                                       DWORD dwReserved)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%s %s %p %p %p %08lx %08lx )\n", iface, debugstr_w(pwszUrl), debugstr_guid(guidKey),
          ppPolicy, pcbPolicy, pContext, cbContext, dwReserved);

    if(This->custom_manager) {
        hres = IInternetSecurityManager_QueryCustomPolicy(This->custom_manager, pwszUrl, guidKey,
                ppPolicy, pcbPolicy, pContext, cbContext, dwReserved);
        if(hres != INET_E_DEFAULT_ACTION)
            return hres;
    }

    FIXME("Default action is not implemented\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI SecManagerImpl_SetZoneMapping(IInternetSecurityManager *iface,
                                                    DWORD dwZone, LPCWSTR pwszPattern, DWORD dwFlags)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%08lx %s %08lx)\n", iface, dwZone, debugstr_w(pwszPattern),dwFlags);

    if(This->custom_manager) {
        hres = IInternetSecurityManager_SetZoneMapping(This->custom_manager, dwZone,
                pwszPattern, dwFlags);
        if(hres != INET_E_DEFAULT_ACTION)
            return hres;
    }

    FIXME("Default action is not implemented\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI SecManagerImpl_GetZoneMappings(IInternetSecurityManager *iface,
        DWORD dwZone, IEnumString **ppenumString, DWORD dwFlags)
{
    SecManagerImpl *This = SECMGR_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%08lx %p %08lx)\n", iface, dwZone, ppenumString,dwFlags);

    if(This->custom_manager) {
        hres = IInternetSecurityManager_GetZoneMappings(This->custom_manager, dwZone,
                ppenumString, dwFlags);
        if(hres != INET_E_DEFAULT_ACTION)
            return hres;
    }

    FIXME("Default action is not implemented\n");
    return E_NOTIMPL;
}

static const IInternetSecurityManagerVtbl VT_SecManagerImpl =
{
    SecManagerImpl_QueryInterface,
    SecManagerImpl_AddRef,
    SecManagerImpl_Release,
    SecManagerImpl_SetSecuritySite,
    SecManagerImpl_GetSecuritySite,
    SecManagerImpl_MapUrlToZone,
    SecManagerImpl_GetSecurityId,
    SecManagerImpl_ProcessUrlAction,
    SecManagerImpl_QueryCustomPolicy,
    SecManagerImpl_SetZoneMapping,
    SecManagerImpl_GetZoneMappings
};

HRESULT SecManagerImpl_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
{
    SecManagerImpl *This;

    TRACE("(%p,%p)\n",pUnkOuter,ppobj);
    This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));

    /* Initialize the virtual function table. */
    This->lpInternetSecurityManagerVtbl = &VT_SecManagerImpl;

    This->ref = 1;
    This->mgrsite = NULL;
    This->custom_manager = NULL;

    *ppobj = This;

    URLMON_LockModule();

    return S_OK;
}

/***********************************************************************
 *           InternetZoneManager implementation
 *
 */
typedef struct {
    const IInternetZoneManagerVtbl* lpVtbl;
    LONG ref;
} ZoneMgrImpl;

/********************************************************************
 *      IInternetZoneManager_QueryInterface
 */
static HRESULT WINAPI ZoneMgrImpl_QueryInterface(IInternetZoneManager* iface, REFIID riid, void** ppvObject)
{
    ZoneMgrImpl* This = (ZoneMgrImpl*)iface;

    TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppvObject);

    if(!This || !ppvObject)
        return E_INVALIDARG;

    if(!IsEqualIID(&IID_IUnknown, riid) && !IsEqualIID(&IID_IInternetZoneManager, riid)) {
        FIXME("Unknown interface: %s\n", debugstr_guid(riid));
        *ppvObject = NULL;
        return E_NOINTERFACE;
    }

    *ppvObject = iface;
    IInternetZoneManager_AddRef(iface);

    return S_OK;
}

/********************************************************************
 *      IInternetZoneManager_AddRef
 */
static ULONG WINAPI ZoneMgrImpl_AddRef(IInternetZoneManager* iface)
{
    ZoneMgrImpl* This = (ZoneMgrImpl*)iface;
    ULONG refCount = InterlockedIncrement(&This->ref);

    TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);

    return refCount;
}

/********************************************************************
 *      IInternetZoneManager_Release
 */
static ULONG WINAPI ZoneMgrImpl_Release(IInternetZoneManager* iface)
{
    ZoneMgrImpl* This = (ZoneMgrImpl*)iface;
    ULONG refCount = InterlockedDecrement(&This->ref);

    TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);

    if(!refCount) {
        HeapFree(GetProcessHeap(), 0, This);
        URLMON_UnlockModule();
    }
    
    return refCount;
}

/********************************************************************
 *      IInternetZoneManager_GetZoneAttributes
 */
static HRESULT WINAPI ZoneMgrImpl_GetZoneAttributes(IInternetZoneManager* iface,
                                                    DWORD dwZone,
                                                    ZONEATTRIBUTES* pZoneAttributes)
{
    FIXME("(%p)->(%ld %p) stub\n", iface, dwZone, pZoneAttributes);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_SetZoneAttributes
 */
static HRESULT WINAPI ZoneMgrImpl_SetZoneAttributes(IInternetZoneManager* iface,
                                                    DWORD dwZone,
                                                    ZONEATTRIBUTES* pZoneAttributes)
{
    FIXME("(%p)->(%08lx %p) stub\n", iface, dwZone, pZoneAttributes);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_GetZoneCustomPolicy
 */
static HRESULT WINAPI ZoneMgrImpl_GetZoneCustomPolicy(IInternetZoneManager* iface,
                                                      DWORD dwZone,
                                                      REFGUID guidKey,
                                                      BYTE** ppPolicy,
                                                      DWORD* pcbPolicy,
                                                      URLZONEREG ulrZoneReg)
{
    FIXME("(%p)->(%08lx %s %p %p %08x) stub\n", iface, dwZone, debugstr_guid(guidKey),
                                                    ppPolicy, pcbPolicy, ulrZoneReg);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_SetZoneCustomPolicy
 */
static HRESULT WINAPI ZoneMgrImpl_SetZoneCustomPolicy(IInternetZoneManager* iface,
                                                      DWORD dwZone,
                                                      REFGUID guidKey,
                                                      BYTE* ppPolicy,
                                                      DWORD cbPolicy,
                                                      URLZONEREG ulrZoneReg)
{
    FIXME("(%p)->(%08lx %s %p %08lx %08x) stub\n", iface, dwZone, debugstr_guid(guidKey),
                                                    ppPolicy, cbPolicy, ulrZoneReg);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_GetZoneActionPolicy
 */
static HRESULT WINAPI ZoneMgrImpl_GetZoneActionPolicy(IInternetZoneManager* iface,
                                                      DWORD dwZone,
                                                      DWORD dwAction,
                                                      BYTE* pPolicy,
                                                      DWORD cbPolicy,
                                                      URLZONEREG urlZoneReg)
{
    FIXME("(%p)->(%08lx %08lx %p %08lx %08x) stub\n", iface, dwZone, dwAction, pPolicy,
                                                       cbPolicy, urlZoneReg);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_SetZoneActionPolicy
 */
static HRESULT WINAPI ZoneMgrImpl_SetZoneActionPolicy(IInternetZoneManager* iface,
                                                      DWORD dwZone,
                                                      DWORD dwAction,
                                                      BYTE* pPolicy,
                                                      DWORD cbPolicy,
                                                      URLZONEREG urlZoneReg)
{
    FIXME("(%p)->(%08lx %08lx %p %08lx %08x) stub\n", iface, dwZone, dwAction, pPolicy,
                                                       cbPolicy, urlZoneReg);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_PromptAction
 */
static HRESULT WINAPI ZoneMgrImpl_PromptAction(IInternetZoneManager* iface,
                                               DWORD dwAction,
                                               HWND hwndParent,
                                               LPCWSTR pwszUrl,
                                               LPCWSTR pwszText,
                                               DWORD dwPromptFlags)
{
    FIXME("%p %08lx %p %s %s %08lx\n", iface, dwAction, hwndParent,
          debugstr_w(pwszUrl), debugstr_w(pwszText), dwPromptFlags );
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_LogAction
 */
static HRESULT WINAPI ZoneMgrImpl_LogAction(IInternetZoneManager* iface,
                                            DWORD dwAction,
                                            LPCWSTR pwszUrl,
                                            LPCWSTR pwszText,
                                            DWORD dwLogFlags)
{
    FIXME("(%p)->(%08lx %s %s %08lx) stub\n", iface, dwAction, debugstr_w(pwszUrl),
                                              debugstr_w(pwszText), dwLogFlags);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_CreateZoneEnumerator
 */
static HRESULT WINAPI ZoneMgrImpl_CreateZoneEnumerator(IInternetZoneManager* iface,
                                                       DWORD* pdwEnum,
                                                       DWORD* pdwCount,
                                                       DWORD dwFlags)
{
    FIXME("(%p)->(%p %p %08lx) stub\n", iface, pdwEnum, pdwCount, dwFlags);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_GetZoneAt
 */
static HRESULT WINAPI ZoneMgrImpl_GetZoneAt(IInternetZoneManager* iface,
                                            DWORD dwEnum,
                                            DWORD dwIndex,
                                            DWORD* pdwZone)
{
    FIXME("(%p)->(%08lx %08lx %p) stub\n", iface, dwEnum, dwIndex, pdwZone);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_DestroyZoneEnumerator
 */
static HRESULT WINAPI ZoneMgrImpl_DestroyZoneEnumerator(IInternetZoneManager* iface,
                                                        DWORD dwEnum)
{
    FIXME("(%p)->(%08lx) stub\n", iface, dwEnum);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_CopyTemplatePoliciesToZone
 */
static HRESULT WINAPI ZoneMgrImpl_CopyTemplatePoliciesToZone(IInternetZoneManager* iface,
                                                             DWORD dwTemplate,
                                                             DWORD dwZone,
                                                             DWORD dwReserved)
{
    FIXME("(%p)->(%08lx %08lx %08lx) stub\n", iface, dwTemplate, dwZone, dwReserved);
    return E_NOTIMPL;
}

/********************************************************************
 *      IInternetZoneManager_Construct
 */
static const IInternetZoneManagerVtbl ZoneMgrImplVtbl = {
    ZoneMgrImpl_QueryInterface,
    ZoneMgrImpl_AddRef,
    ZoneMgrImpl_Release,
    ZoneMgrImpl_GetZoneAttributes,
    ZoneMgrImpl_SetZoneAttributes,
    ZoneMgrImpl_GetZoneCustomPolicy,
    ZoneMgrImpl_SetZoneCustomPolicy,
    ZoneMgrImpl_GetZoneActionPolicy,
    ZoneMgrImpl_SetZoneActionPolicy,
    ZoneMgrImpl_PromptAction,
    ZoneMgrImpl_LogAction,
    ZoneMgrImpl_CreateZoneEnumerator,
    ZoneMgrImpl_GetZoneAt,
    ZoneMgrImpl_DestroyZoneEnumerator,
    ZoneMgrImpl_CopyTemplatePoliciesToZone,
};

HRESULT ZoneMgrImpl_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
{
    ZoneMgrImpl* ret = HeapAlloc(GetProcessHeap(), 0, sizeof(ZoneMgrImpl));

    TRACE("(%p %p)\n", pUnkOuter, ppobj);
    ret->lpVtbl = &ZoneMgrImplVtbl;
    ret->ref = 1;
    *ppobj = (IInternetZoneManager*)ret;

    URLMON_LockModule();

    return S_OK;
}

/***********************************************************************
 *           CoInternetCreateSecurityManager (URLMON.@)
 *
 */
HRESULT WINAPI CoInternetCreateSecurityManager( IServiceProvider *pSP,
    IInternetSecurityManager **ppSM, DWORD dwReserved )
{
    TRACE("%p %p %ld\n", pSP, ppSM, dwReserved );

    if(pSP)
        FIXME("pSP not supported\n");

    return SecManagerImpl_Construct(NULL, (void**) ppSM);
}

/********************************************************************
 *      CoInternetCreateZoneManager (URLMON.@)
 */
HRESULT WINAPI CoInternetCreateZoneManager(IServiceProvider* pSP, IInternetZoneManager** ppZM, DWORD dwReserved)
{
    TRACE("(%p %p %lx)\n", pSP, ppZM, dwReserved);
    return ZoneMgrImpl_Construct(NULL, (void**)ppZM);
}