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 NP_VERSION_MAJOR 0
  41 #define NP_VERSION_MINOR 25
  42
  43 typedef unsigned char NPBool;
  44 typedef INT16 NPError;
  45 typedef INT16 NPReason;
  46 typedef char *NPMIMEType;
  47
  48 typedef struct _NPP {
  49     void *pdata;
  50     void *ndata;
  51 } NPP_t, *NPP;
  52
  53 typedef struct _NPStream {
  54     void *pdata;
  55     void *ndata;
  56     const char *url;
  57     UINT32 end;
  58     UINT32 lastmodified;
  59     void *notifyData;
  60     const char *headers;
  61 } NPStream;
  62
  63 typedef struct _NPSavedData {
  64     INT32 len;
  65     void *buf;
  66 } NPSavedData;
  67
  68 typedef struct _NPRect {
  69     UINT16 top;
  70     UINT16 left;
  71     UINT16 bottom;
  72     UINT16 right;
  73 } NPRect;
  74
  75 typedef enum {
  76     NPFocusNext = 0,
  77     NPFocusPrevious = 1
  78 } NPFocusDirection;
  79
  80 #define NP_ABI_MASK 0
  81
  82 typedef enum {
  83     NPPVpluginNameString = 1,
  84     NPPVpluginDescriptionString,
  85     NPPVpluginWindowBool,
  86     NPPVpluginTransparentBool,
  87     NPPVjavaClass,
  88     NPPVpluginWindowSize,
  89     NPPVpluginTimerInterval,
  90     NPPVpluginScriptableInstance = (10 | NP_ABI_MASK),
  91     NPPVpluginScriptableIID = 11,
  92     NPPVjavascriptPushCallerBool = 12,
  93     NPPVpluginKeepLibraryInMemory = 13,
  94     NPPVpluginNeedsXEmbed = 14,
  95     NPPVpluginScriptableNPObject = 15,
  96     NPPVformValue = 16,
  97     NPPVpluginUrlRequestsDisplayedBool = 17,
  98     NPPVpluginWantsAllNetworkStreams = 18,
  99     NPPVpluginNativeAccessibleAtkPlugId = 19,
 100     NPPVpluginCancelSrcStream = 20,
 101     NPPVSupportsAdvancedKeyHandling = 21
 102 } NPPVariable;
 103
 104 typedef enum {
 105     NPNVxDisplay = 1,
 106     NPNVxtAppContext,
 107     NPNVnetscapeWindow,
 108     NPNVjavascriptEnabledBool,
 109     NPNVasdEnabledBool,
 110     NPNVisOfflineBool,
 111     NPNVserviceManager = (10 | NP_ABI_MASK),
 112     NPNVDOMElement     = (11 | NP_ABI_MASK),
 113     NPNVDOMWindow      = (12 | NP_ABI_MASK),
 114     NPNVToolkit        = (13 | NP_ABI_MASK),
 115     NPNVSupportsXEmbedBool = 14,
 116     NPNVWindowNPObject = 15,
 117     NPNVPluginElementNPObject = 16,
 118     NPNVSupportsWindowless = 17,
 119     NPNVprivateModeBool = 18,
 120     NPNVsupportsAdvancedKeyHandling = 21
 121 } NPNVariable;
 122
 123 typedef enum {
 124     NPWindowTypeWindow = 1,
 125     NPWindowTypeDrawable
 126 } NPWindowType;
 127
 128 typedef struct _NPWindow {
 129     void *window;
 130     INT32 x;
 131     INT32 y;
 132     UINT32 width;
 133     UINT32 height;
 134     NPRect clipRect;
 135     NPWindowType type;
 136 } NPWindow;
 137
 138 typedef struct _NPFullPrint {
 139     NPBool pluginPrinted;
 140     NPBool printOne;
 141     void *platformPrint;
 142 } NPFullPrint;
 143
 144 typedef struct _NPEmbedPrint {
 145     NPWindow window;
 146     void *platformPrint;
 147 } NPEmbedPrint;
 148
 149 typedef struct _NPPrint {
 150     UINT16 mode;
 151     union {
 152         NPFullPrint fullPrint;
 153         NPEmbedPrint embedPrint;
 154     } print;
 155 } NPPrint;
 156
 157 typedef HRGN NPRegion;
 158
 159 #define NPERR_BASE                         0
 160 #define NPERR_NO_ERROR                    (NPERR_BASE + 0)
 161 #define NPERR_GENERIC_ERROR               (NPERR_BASE + 1)
 162 #define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)
 163 #define NPERR_INVALID_FUNCTABLE_ERROR     (NPERR_BASE + 3)
 164 #define NPERR_MODULE_LOAD_FAILED_ERROR    (NPERR_BASE + 4)
 165 #define NPERR_OUT_OF_MEMORY_ERROR         (NPERR_BASE + 5)
 166 #define NPERR_INVALID_PLUGIN_ERROR        (NPERR_BASE + 6)
 167 #define NPERR_INVALID_PLUGIN_DIR_ERROR    (NPERR_BASE + 7)
 168 #define NPERR_INCOMPATIBLE_VERSION_ERROR  (NPERR_BASE + 8)
 169 #define NPERR_INVALID_PARAM               (NPERR_BASE + 9)
 170 #define NPERR_INVALID_URL                 (NPERR_BASE + 10)
 171 #define NPERR_FILE_NOT_FOUND              (NPERR_BASE + 11)
 172 #define NPERR_NO_DATA                     (NPERR_BASE + 12)
 173 #define NPERR_STREAM_NOT_SEEKABLE         (NPERR_BASE + 13)
 174
 175 /* Parts of npfunctions.h */
 176
 177 typedef NPError (CDECL *NPP_NewProcPtr)(NPMIMEType,NPP,UINT16,INT16,char**,char**,NPSavedData*);
 178 typedef NPError (CDECL *NPP_DestroyProcPtr)(NPP,NPSavedData**);
 179 typedef NPError (CDECL *NPP_SetWindowProcPtr)(NPP,NPWindow*);
 180 typedef NPError (CDECL *NPP_NewStreamProcPtr)(NPP,NPMIMEType,NPStream*,NPBool,UINT16*);
 181 typedef NPError (CDECL *NPP_DestroyStreamProcPtr)(NPP,NPStream*,NPReason);
 182 typedef INT32 (CDECL *NPP_WriteReadyProcPtr)(NPP,NPStream*);
 183 typedef INT32 (CDECL *NPP_WriteProcPtr)(NPP,NPStream*,INT32,INT32,void*);
 184 typedef void (CDECL *NPP_StreamAsFileProcPtr)(NPP,NPStream*,const char*);
 185 typedef void (CDECL *NPP_PrintProcPtr)(NPP,NPPrint*);
 186 typedef INT16 (CDECL *NPP_HandleEventProcPtr)(NPP,void*);
 187 typedef void (CDECL *NPP_URLNotifyProcPtr)(NPP,const char*,NPReason,void*);
 188 typedef NPError (CDECL *NPP_GetValueProcPtr)(NPP,NPPVariable,void*);
 189 typedef NPError (CDECL *NPP_SetValueProcPtr)(NPP,NPNVariable,void*);
 190 typedef NPBool (CDECL *NPP_GotFocusPtr)(NPP,NPFocusDirection);
 191 typedef void (CDECL *NPP_LostFocusPtr)(NPP);
 192
 193 typedef struct _NPPluginFuncs {
 194     UINT16 size;
 195     UINT16 version;
 196     NPP_NewProcPtr newp;
 197     NPP_DestroyProcPtr destroy;
 198     NPP_SetWindowProcPtr setwindow;
 199     NPP_NewStreamProcPtr newstream;
 200     NPP_DestroyStreamProcPtr destroystream;
 201     NPP_StreamAsFileProcPtr asfile;
 202     NPP_WriteReadyProcPtr writeready;
 203     NPP_WriteProcPtr write;
 204     NPP_PrintProcPtr print;
 205     NPP_HandleEventProcPtr event;
 206     NPP_URLNotifyProcPtr urlnotify;
 207     void *javaClass;
 208     NPP_GetValueProcPtr getvalue;
 209     NPP_SetValueProcPtr setvalue;
 210     NPP_GotFocusPtr gotfocus;
 211     NPP_LostFocusPtr lostfocus;
 212 } NPPluginFuncs;
 213
 214 static nsIDOMElement *get_dom_element(NPP instance)
 215 {
 216     nsISupports *instance_unk = (nsISupports*)instance->ndata;
 217     nsIPluginInstance *plugin_instance;
 218     nsIDOMElement *elem;
 219     nsresult nsres;
 220
 221     nsres = nsISupports_QueryInterface(instance_unk, &IID_nsIPluginInstance, (void**)&plugin_instance);
 222     if(NS_FAILED(nsres)) {
 223         ERR("Could not get nsIPluginInstance interface: %08x\n", nsres);
 224         return NULL;
 225     }
 226
 227     nsres = nsIPluginInstance_GetDOMElement(plugin_instance, &elem);
 228     nsIPluginInstance_Release(plugin_instance);
 229     if(NS_FAILED(nsres)) {
 230         ERR("GetDOMElement failed: %08x\n", nsres);
 231         return NULL;
 232     }
 233
 234     return elem;
 235 }
 236
 237 static HTMLWindow *get_elem_window(nsIDOMElement *elem)
 238 {
 239     nsIDOMWindow *nswindow;
 240     nsIDOMDocument *nsdoc;
 241     HTMLWindow *window;
 242     nsresult nsres;
 243
 244     nsres = nsIDOMElement_GetOwnerDocument(elem, &nsdoc);
 245     if(NS_FAILED(nsres))
 246         return NULL;
 247
 248     nsres = nsIDOMDocument_GetDefaultView(nsdoc, &nswindow);
 249     nsIDOMDocument_Release(nsdoc);
 250     if(NS_FAILED(nsres) || !nswindow)
 251         return NULL;
 252
 253     window = nswindow_to_window(nswindow);
 254     nsIDOMWindow_Release(nswindow);
 255
 256     return window;
 257 }
 258
 259 static BOOL parse_classid(const PRUnichar *classid, CLSID *clsid)
 260 {
 261     const WCHAR *ptr;
 262     unsigned len;
 263     HRESULT hres;
 264
 265     static const PRUnichar clsidW[] = {'c','l','s','i','d',':'};
 266
 267     if(strncmpiW(classid, clsidW, sizeof(clsidW)/sizeof(WCHAR)))
 268         return FALSE;
 269
 270     ptr = classid + sizeof(clsidW)/sizeof(WCHAR);
 271     len = strlenW(ptr);
 272
 273     if(len == 38) {
 274         hres = CLSIDFromString(ptr, clsid);
 275     }else if(len == 36) {
 276         WCHAR buf[39];
 277
 278         buf[0] = '{';
 279         memcpy(buf+1, ptr, len*sizeof(WCHAR));
 280         buf[37] = '}';
 281         buf[38] = 0;
 282         hres = CLSIDFromString(buf, clsid);
 283     }else {
 284         return FALSE;
 285     }
 286
 287     return SUCCEEDED(hres);
 288 }
 289
 290 static BOOL get_elem_clsid(nsIDOMElement *elem, CLSID *clsid)
 291 {
 292     nsAString attr_str, val_str;
 293     nsresult nsres;
 294     BOOL ret = FALSE;
 295
 296     static const PRUnichar classidW[] = {'c','l','a','s','s','i','d',0};
 297
 298     nsAString_InitDepend(&attr_str, classidW);
 299     nsAString_Init(&val_str, NULL);
 300     nsres = nsIDOMElement_GetAttribute(elem, &attr_str, &val_str);
 301     nsAString_Finish(&attr_str);
 302     if(NS_SUCCEEDED(nsres)) {
 303         const PRUnichar *val;
 304
 305         nsAString_GetData(&val_str, &val);
 306         if(*val)
 307             ret = parse_classid(val, clsid);
 308     }else {
 309         ERR("GetAttribute failed: %08x\n", nsres);
 310     }
 311
 312     nsAString_Finish(&attr_str);
 313     return ret;
 314 }
 315
 316 static IUnknown *create_activex_object(HTMLWindow *window, nsIDOMElement *nselem, CLSID *clsid)
 317 {
 318     IClassFactoryEx *cfex;
 319     IClassFactory *cf;
 320     IUnknown *obj;
 321     DWORD policy;
 322     HRESULT hres;
 323
 324     if(!get_elem_clsid(nselem, clsid)) {
 325         WARN("Could not determine element CLSID\n");
 326         return NULL;
 327     }
 328
 329     TRACE("clsid %s\n", debugstr_guid(clsid));
 330
 331     policy = 0;
 332     hres = IInternetHostSecurityManager_ProcessUrlAction(&window->doc->IInternetHostSecurityManager_iface,
 333             URLACTION_ACTIVEX_RUN, (BYTE*)&policy, sizeof(policy), (BYTE*)clsid, sizeof(GUID), 0, 0);
 334     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 335         WARN("ProcessUrlAction returned %08x %x\n", hres, policy);
 336         return NULL;
 337     }
 338
 339     hres = CoGetClassObject(clsid, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER, NULL, &IID_IClassFactory, (void**)&cf);
 340     if(FAILED(hres))
 341         return NULL;
 342
 343     hres = IClassFactory_QueryInterface(cf, &IID_IClassFactoryEx, (void**)&cfex);
 344     if(SUCCEEDED(hres)) {
 345         FIXME("Use IClassFactoryEx\n");
 346         IClassFactoryEx_Release(cfex);
 347     }
 348
 349     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IUnknown, (void**)&obj);
 350     if(FAILED(hres))
 351         return NULL;
 352
 353     return obj;
 354 }
 355
 356 static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, INT16 argc, char **argn,
 357         char **argv, NPSavedData *saved)
 358 {
 359     nsIDOMElement *nselem;
 360     HTMLWindow *window;
 361     IUnknown *obj;
 362     CLSID clsid;
 363     NPError err = NPERR_NO_ERROR;
 364
 365     TRACE("(%s %p %x %d %p %p %p)\n", debugstr_a(pluginType), instance, mode, argc, argn, argv, saved);
 366
 367     nselem = get_dom_element(instance);
 368     if(!nselem) {
 369         ERR("Could not get DOM element\n");
 370         return NPERR_GENERIC_ERROR;
 371     }
 372
 373     window = get_elem_window(nselem);
 374     if(!window) {
 375         ERR("Could not get element's window object\n");
 376         nsIDOMElement_Release(nselem);
 377         return NPERR_GENERIC_ERROR;
 378     }
 379
 380     obj = create_activex_object(window, nselem, &clsid);
 381     if(obj) {
 382         PluginHost *host;
 383         HRESULT hres;
 384
 385         hres = create_plugin_host(window->doc, nselem, obj, &clsid, &host);
 386         nsIDOMElement_Release(nselem);
 387         IUnknown_Release(obj);
 388         if(SUCCEEDED(hres))
 389             instance->pdata = host;
 390         else
 391             err = NPERR_GENERIC_ERROR;
 392     }else {
 393         err = NPERR_GENERIC_ERROR;
 394     }
 395
 396     nsIDOMElement_Release(nselem);
 397     return err;
 398 }
 399
 400 static NPError CDECL NPP_Destroy(NPP instance, NPSavedData **save)
 401 {
 402     PluginHost *host = instance->pdata;
 403
 404     TRACE("(%p %p)\n", instance, save);
 405
 406     if(!host)
 407         return NPERR_GENERIC_ERROR;
 408
 409     detach_plugin_host(host);
 410     IOleClientSite_Release(&host->IOleClientSite_iface);
 411     instance->pdata = NULL;
 412     return NPERR_NO_ERROR;
 413 }
 414
 415 static NPError CDECL NPP_SetWindow(NPP instance, NPWindow *window)
 416 {
 417     PluginHost *host = instance->pdata;
 418     RECT pos_rect = {0, 0, window->width, window->height};
 419
 420     TRACE("(%p %p)\n", instance, window);
 421
 422     if(!host)
 423         return NPERR_GENERIC_ERROR;
 424
 425     update_plugin_window(host, window->window, &pos_rect);
 426     return NPERR_NO_ERROR;
 427 }
 428
 429 static NPError CDECL NPP_NewStream(NPP instance, NPMIMEType type, NPStream *stream, NPBool seekable, UINT16 *stype)
 430 {
 431     TRACE("\n");
 432     return NPERR_GENERIC_ERROR;
 433 }
 434
 435 static NPError CDECL NPP_DestroyStream(NPP instance, NPStream *stream, NPReason reason)
 436 {
 437     TRACE("\n");
 438     return NPERR_GENERIC_ERROR;
 439 }
 440
 441 static INT32 CDECL NPP_WriteReady(NPP instance, NPStream *stream)
 442 {
 443     TRACE("\n");
 444     return NPERR_GENERIC_ERROR;
 445 }
 446
 447 static INT32 CDECL NPP_Write(NPP instance, NPStream *stream, INT32 offset, INT32 len, void *buffer)
 448 {
 449     TRACE("\n");
 450     return NPERR_GENERIC_ERROR;
 451 }
 452
 453 static void CDECL NPP_StreamAsFile(NPP instance, NPStream *stream, const char *fname)
 454 {
 455     TRACE("\n");
 456 }
 457
 458 static void CDECL NPP_Print(NPP instance, NPPrint *platformPrint)
 459 {
 460     FIXME("\n");
 461 }
 462
 463 static INT16 CDECL NPP_HandleEvent(NPP instance, void *event)
 464 {
 465     TRACE("\n");
 466     return NPERR_GENERIC_ERROR;
 467 }
 468
 469 static void CDECL NPP_URLNotify(NPP instance, const char *url, NPReason reason, void *notifyData)
 470 {
 471     TRACE("\n");
 472 }
 473
 474 static NPError CDECL NPP_GetValue(NPP instance, NPPVariable variable, void *ret_value)
 475 {
 476     TRACE("\n");
 477     return NPERR_GENERIC_ERROR;
 478 }
 479
 480 static NPError CDECL NPP_SetValue(NPP instance, NPNVariable variable, void *value)
 481 {
 482     TRACE("\n");
 483     return NPERR_GENERIC_ERROR;
 484 }
 485
 486 static NPBool CDECL NPP_GotFocus(NPP instance, NPFocusDirection direction)
 487 {
 488     FIXME("\n");
 489     return NPERR_GENERIC_ERROR;
 490 }
 491
 492 static void CDECL NPP_LostFocus(NPP instance)
 493 {
 494     FIXME("\n");
 495 }
 496
 497 /***********************************************************************
 498  *          NP_GetEntryPoints (mshtml.@)
 499  */
 500 NPError WINAPI NP_GetEntryPoints(NPPluginFuncs* funcs)
 501 {
 502     TRACE("(%p)\n", funcs);
 503
 504     funcs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
 505     funcs->newp = NPP_New;
 506     funcs->destroy = NPP_Destroy;
 507     funcs->setwindow = NPP_SetWindow;
 508     funcs->newstream = NPP_NewStream;
 509     funcs->destroystream = NPP_DestroyStream;
 510     funcs->asfile = NPP_StreamAsFile;
 511     funcs->writeready = NPP_WriteReady;
 512     funcs->write = NPP_Write;
 513     funcs->print = NPP_Print;
 514     funcs->event = NPP_HandleEvent;
 515     funcs->urlnotify = NPP_URLNotify;
 516     funcs->javaClass = NULL;
 517     funcs->getvalue = NPP_GetValue;
 518     funcs->setvalue = NPP_SetValue;
 519     funcs->gotfocus = NPP_GotFocus;
 520     funcs->lostfocus = NPP_LostFocus;
 521
 522     return NPERR_NO_ERROR;
 523 }