dlls/mshtml/npplugin.c

   1 /*
   2  * Copyright 2010 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "shlobj.h"
  30
  31 #include "mshtml_private.h"
  32 #include "pluginhost.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  37
  38 /* Parts of npapi.h */
  39
  40 #define NPERR_BASE                         0
  41 #define NPERR_NO_ERROR                    (NPERR_BASE + 0)
  42 #define NPERR_GENERIC_ERROR               (NPERR_BASE + 1)
  43 #define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)
  44 #define NPERR_INVALID_FUNCTABLE_ERROR     (NPERR_BASE + 3)
  45 #define NPERR_MODULE_LOAD_FAILED_ERROR    (NPERR_BASE + 4)
  46 #define NPERR_OUT_OF_MEMORY_ERROR         (NPERR_BASE + 5)
  47 #define NPERR_INVALID_PLUGIN_ERROR        (NPERR_BASE + 6)
  48 #define NPERR_INVALID_PLUGIN_DIR_ERROR    (NPERR_BASE + 7)
  49 #define NPERR_INCOMPATIBLE_VERSION_ERROR  (NPERR_BASE + 8)
  50 #define NPERR_INVALID_PARAM               (NPERR_BASE + 9)
  51 #define NPERR_INVALID_URL                 (NPERR_BASE + 10)
  52 #define NPERR_FILE_NOT_FOUND              (NPERR_BASE + 11)
  53 #define NPERR_NO_DATA                     (NPERR_BASE + 12)
  54 #define NPERR_STREAM_NOT_SEEKABLE         (NPERR_BASE + 13)
  55
  56 /* Parts of npfunctions.h */
  57
  58 typedef NPError (CDECL *NPP_NewProcPtr)(NPMIMEType,NPP,UINT16,INT16,char**,char**,NPSavedData*);
  59 typedef NPError (CDECL *NPP_DestroyProcPtr)(NPP,NPSavedData**);
  60 typedef NPError (CDECL *NPP_SetWindowProcPtr)(NPP,NPWindow*);
  61 typedef NPError (CDECL *NPP_NewStreamProcPtr)(NPP,NPMIMEType,NPStream*,NPBool,UINT16*);
  62 typedef NPError (CDECL *NPP_DestroyStreamProcPtr)(NPP,NPStream*,NPReason);
  63 typedef INT32 (CDECL *NPP_WriteReadyProcPtr)(NPP,NPStream*);
  64 typedef INT32 (CDECL *NPP_WriteProcPtr)(NPP,NPStream*,INT32,INT32,void*);
  65 typedef void (CDECL *NPP_StreamAsFileProcPtr)(NPP,NPStream*,const char*);
  66 typedef void (CDECL *NPP_PrintProcPtr)(NPP,NPPrint*);
  67 typedef INT16 (CDECL *NPP_HandleEventProcPtr)(NPP,void*);
  68 typedef void (CDECL *NPP_URLNotifyProcPtr)(NPP,const char*,NPReason,void*);
  69 typedef NPError (CDECL *NPP_GetValueProcPtr)(NPP,NPPVariable,void*);
  70 typedef NPError (CDECL *NPP_SetValueProcPtr)(NPP,NPNVariable,void*);
  71 typedef NPBool (CDECL *NPP_GotFocusPtr)(NPP,NPFocusDirection);
  72 typedef void (CDECL *NPP_LostFocusPtr)(NPP);
  73
  74 typedef struct _NPPluginFuncs {
  75     UINT16 size;
  76     UINT16 version;
  77     NPP_NewProcPtr newp;
  78     NPP_DestroyProcPtr destroy;
  79     NPP_SetWindowProcPtr setwindow;
  80     NPP_NewStreamProcPtr newstream;
  81     NPP_DestroyStreamProcPtr destroystream;
  82     NPP_StreamAsFileProcPtr asfile;
  83     NPP_WriteReadyProcPtr writeready;
  84     NPP_WriteProcPtr write;
  85     NPP_PrintProcPtr print;
  86     NPP_HandleEventProcPtr event;
  87     NPP_URLNotifyProcPtr urlnotify;
  88     void *javaClass;
  89     NPP_GetValueProcPtr getvalue;
  90     NPP_SetValueProcPtr setvalue;
  91     NPP_GotFocusPtr gotfocus;
  92     NPP_LostFocusPtr lostfocus;
  93 } NPPluginFuncs;
  94
  95 static nsIDOMElement *get_dom_element(NPP instance)
  96 {
  97     nsISupports *instance_unk = (nsISupports*)instance->ndata;
  98     nsIPluginInstance *plugin_instance;
  99     nsIDOMElement *elem;
 100     nsresult nsres;
 101
 102     nsres = nsISupports_QueryInterface(instance_unk, &IID_nsIPluginInstance, (void**)&plugin_instance);
 103     if(NS_FAILED(nsres)) {
 104         ERR("Could not get nsIPluginInstance interface: %08x\n", nsres);
 105         return NULL;
 106     }
 107
 108     nsres = nsIPluginInstance_GetDOMElement(plugin_instance, &elem);
 109     nsIPluginInstance_Release(plugin_instance);
 110     if(NS_FAILED(nsres)) {
 111         ERR("GetDOMElement failed: %08x\n", nsres);
 112         return NULL;
 113     }
 114
 115     return elem;
 116 }
 117
 118 static HTMLWindow *get_elem_window(nsIDOMElement *elem)
 119 {
 120     nsIDOMWindow *nswindow;
 121     nsIDOMDocument *nsdoc;
 122     HTMLWindow *window;
 123     nsresult nsres;
 124
 125     nsres = nsIDOMElement_GetOwnerDocument(elem, &nsdoc);
 126     if(NS_FAILED(nsres))
 127         return NULL;
 128
 129     nsres = nsIDOMDocument_GetDefaultView(nsdoc, &nswindow);
 130     nsIDOMDocument_Release(nsdoc);
 131     if(NS_FAILED(nsres) || !nswindow)
 132         return NULL;
 133
 134     window = nswindow_to_window(nswindow);
 135     nsIDOMWindow_Release(nswindow);
 136
 137     return window;
 138 }
 139
 140 static BOOL parse_classid(const PRUnichar *classid, CLSID *clsid)
 141 {
 142     const WCHAR *ptr;
 143     unsigned len;
 144     HRESULT hres;
 145
 146     static const PRUnichar clsidW[] = {'c','l','s','i','d',':'};
 147
 148     if(strncmpiW(classid, clsidW, sizeof(clsidW)/sizeof(WCHAR)))
 149         return FALSE;
 150
 151     ptr = classid + sizeof(clsidW)/sizeof(WCHAR);
 152     len = strlenW(ptr);
 153
 154     if(len == 38) {
 155         hres = CLSIDFromString(ptr, clsid);
 156     }else if(len == 36) {
 157         WCHAR buf[39];
 158
 159         buf[0] = '{';
 160         memcpy(buf+1, ptr, len*sizeof(WCHAR));
 161         buf[37] = '}';
 162         buf[38] = 0;
 163         hres = CLSIDFromString(buf, clsid);
 164     }else {
 165         return FALSE;
 166     }
 167
 168     return SUCCEEDED(hres);
 169 }
 170
 171 static BOOL get_elem_clsid(nsIDOMElement *elem, CLSID *clsid)
 172 {
 173     nsAString attr_str, val_str;
 174     nsresult nsres;
 175     BOOL ret = FALSE;
 176
 177     static const PRUnichar classidW[] = {'c','l','a','s','s','i','d',0};
 178
 179     nsAString_InitDepend(&attr_str, classidW);
 180     nsAString_Init(&val_str, NULL);
 181     nsres = nsIDOMElement_GetAttribute(elem, &attr_str, &val_str);
 182     nsAString_Finish(&attr_str);
 183     if(NS_SUCCEEDED(nsres)) {
 184         const PRUnichar *val;
 185
 186         nsAString_GetData(&val_str, &val);
 187         if(*val)
 188             ret = parse_classid(val, clsid);
 189     }else {
 190         ERR("GetAttribute failed: %08x\n", nsres);
 191     }
 192
 193     nsAString_Finish(&attr_str);
 194     return ret;
 195 }
 196
 197 static IUnknown *create_activex_object(HTMLWindow *window, nsIDOMElement *nselem, CLSID *clsid)
 198 {
 199     IClassFactoryEx *cfex;
 200     IClassFactory *cf;
 201     IUnknown *obj;
 202     DWORD policy;
 203     HRESULT hres;
 204
 205     if(!get_elem_clsid(nselem, clsid)) {
 206         WARN("Could not determine element CLSID\n");
 207         return NULL;
 208     }
 209
 210     TRACE("clsid %s\n", debugstr_guid(clsid));
 211
 212     policy = 0;
 213     hres = IInternetHostSecurityManager_ProcessUrlAction(&window->doc->IInternetHostSecurityManager_iface,
 214             URLACTION_ACTIVEX_RUN, (BYTE*)&policy, sizeof(policy), (BYTE*)clsid, sizeof(GUID), 0, 0);
 215     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 216         WARN("ProcessUrlAction returned %08x %x\n", hres, policy);
 217         return NULL;
 218     }
 219
 220     hres = CoGetClassObject(clsid, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER, NULL, &IID_IClassFactory, (void**)&cf);
 221     if(FAILED(hres))
 222         return NULL;
 223
 224     hres = IClassFactory_QueryInterface(cf, &IID_IClassFactoryEx, (void**)&cfex);
 225     if(SUCCEEDED(hres)) {
 226         FIXME("Use IClassFactoryEx\n");
 227         IClassFactoryEx_Release(cfex);
 228     }
 229
 230     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IUnknown, (void**)&obj);
 231     if(FAILED(hres))
 232         return NULL;
 233
 234     return obj;
 235 }
 236
 237 static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, INT16 argc, char **argn,
 238         char **argv, NPSavedData *saved)
 239 {
 240     nsIDOMElement *nselem;
 241     HTMLWindow *window;
 242     IUnknown *obj;
 243     CLSID clsid;
 244     NPError err = NPERR_NO_ERROR;
 245
 246     TRACE("(%s %p %x %d %p %p %p)\n", debugstr_a(pluginType), instance, mode, argc, argn, argv, saved);
 247
 248     nselem = get_dom_element(instance);
 249     if(!nselem) {
 250         ERR("Could not get DOM element\n");
 251         return NPERR_GENERIC_ERROR;
 252     }
 253
 254     window = get_elem_window(nselem);
 255     if(!window) {
 256         ERR("Could not get element's window object\n");
 257         nsIDOMElement_Release(nselem);
 258         return NPERR_GENERIC_ERROR;
 259     }
 260
 261     obj = create_activex_object(window, nselem, &clsid);
 262     if(obj) {
 263         PluginHost *host;
 264         HRESULT hres;
 265
 266         hres = create_plugin_host(window->doc, nselem, obj, &clsid, &host);
 267         nsIDOMElement_Release(nselem);
 268         IUnknown_Release(obj);
 269         if(SUCCEEDED(hres))
 270             instance->pdata = host;
 271         else
 272             err = NPERR_GENERIC_ERROR;
 273     }else {
 274         err = NPERR_GENERIC_ERROR;
 275     }
 276
 277     nsIDOMElement_Release(nselem);
 278     return err;
 279 }
 280
 281 static NPError CDECL NPP_Destroy(NPP instance, NPSavedData **save)
 282 {
 283     PluginHost *host = instance->pdata;
 284
 285     TRACE("(%p %p)\n", instance, save);
 286
 287     if(!host)
 288         return NPERR_GENERIC_ERROR;
 289
 290     detach_plugin_host(host);
 291     IOleClientSite_Release(&host->IOleClientSite_iface);
 292     instance->pdata = NULL;
 293     return NPERR_NO_ERROR;
 294 }
 295
 296 static NPError CDECL NPP_SetWindow(NPP instance, NPWindow *window)
 297 {
 298     PluginHost *host = instance->pdata;
 299     RECT pos_rect = {0, 0, window->width, window->height};
 300
 301     TRACE("(%p %p)\n", instance, window);
 302
 303     if(!host)
 304         return NPERR_GENERIC_ERROR;
 305
 306     update_plugin_window(host, window->window, &pos_rect);
 307     return NPERR_NO_ERROR;
 308 }
 309
 310 static NPError CDECL NPP_NewStream(NPP instance, NPMIMEType type, NPStream *stream, NPBool seekable, UINT16 *stype)
 311 {
 312     TRACE("\n");
 313     return NPERR_GENERIC_ERROR;
 314 }
 315
 316 static NPError CDECL NPP_DestroyStream(NPP instance, NPStream *stream, NPReason reason)
 317 {
 318     TRACE("\n");
 319     return NPERR_GENERIC_ERROR;
 320 }
 321
 322 static INT32 CDECL NPP_WriteReady(NPP instance, NPStream *stream)
 323 {
 324     TRACE("\n");
 325     return NPERR_GENERIC_ERROR;
 326 }
 327
 328 static INT32 CDECL NPP_Write(NPP instance, NPStream *stream, INT32 offset, INT32 len, void *buffer)
 329 {
 330     TRACE("\n");
 331     return NPERR_GENERIC_ERROR;
 332 }
 333
 334 static void CDECL NPP_StreamAsFile(NPP instance, NPStream *stream, const char *fname)
 335 {
 336     TRACE("\n");
 337 }
 338
 339 static void CDECL NPP_Print(NPP instance, NPPrint *platformPrint)
 340 {
 341     FIXME("\n");
 342 }
 343
 344 static INT16 CDECL NPP_HandleEvent(NPP instance, void *event)
 345 {
 346     TRACE("\n");
 347     return NPERR_GENERIC_ERROR;
 348 }
 349
 350 static void CDECL NPP_URLNotify(NPP instance, const char *url, NPReason reason, void *notifyData)
 351 {
 352     TRACE("\n");
 353 }
 354
 355 static NPError CDECL NPP_GetValue(NPP instance, NPPVariable variable, void *ret_value)
 356 {
 357     TRACE("\n");
 358     return NPERR_GENERIC_ERROR;
 359 }
 360
 361 static NPError CDECL NPP_SetValue(NPP instance, NPNVariable variable, void *value)
 362 {
 363     TRACE("\n");
 364     return NPERR_GENERIC_ERROR;
 365 }
 366
 367 static NPBool CDECL NPP_GotFocus(NPP instance, NPFocusDirection direction)
 368 {
 369     FIXME("\n");
 370     return NPERR_GENERIC_ERROR;
 371 }
 372
 373 static void CDECL NPP_LostFocus(NPP instance)
 374 {
 375     FIXME("\n");
 376 }
 377
 378 /***********************************************************************
 379  *          NP_GetEntryPoints (mshtml.@)
 380  */
 381 NPError WINAPI NP_GetEntryPoints(NPPluginFuncs* funcs)
 382 {
 383     TRACE("(%p)\n", funcs);
 384
 385     funcs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
 386     funcs->newp = NPP_New;
 387     funcs->destroy = NPP_Destroy;
 388     funcs->setwindow = NPP_SetWindow;
 389     funcs->newstream = NPP_NewStream;
 390     funcs->destroystream = NPP_DestroyStream;
 391     funcs->asfile = NPP_StreamAsFile;
 392     funcs->writeready = NPP_WriteReady;
 393     funcs->write = NPP_Write;
 394     funcs->print = NPP_Print;
 395     funcs->event = NPP_HandleEvent;
 396     funcs->urlnotify = NPP_URLNotify;
 397     funcs->javaClass = NULL;
 398     funcs->getvalue = NPP_GetValue;
 399     funcs->setvalue = NPP_SetValue;
 400     funcs->gotfocus = NPP_GotFocus;
 401     funcs->lostfocus = NPP_LostFocus;
 402
 403     return NPERR_NO_ERROR;
 404 }