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 #include "wine/unicode.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 /* Parts of npapi.h */
  40
  41 #define NPERR_BASE                         0
  42 #define NPERR_NO_ERROR                    (NPERR_BASE + 0)
  43 #define NPERR_GENERIC_ERROR               (NPERR_BASE + 1)
  44 #define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)
  45 #define NPERR_INVALID_FUNCTABLE_ERROR     (NPERR_BASE + 3)
  46 #define NPERR_MODULE_LOAD_FAILED_ERROR    (NPERR_BASE + 4)
  47 #define NPERR_OUT_OF_MEMORY_ERROR         (NPERR_BASE + 5)
  48 #define NPERR_INVALID_PLUGIN_ERROR        (NPERR_BASE + 6)
  49 #define NPERR_INVALID_PLUGIN_DIR_ERROR    (NPERR_BASE + 7)
  50 #define NPERR_INCOMPATIBLE_VERSION_ERROR  (NPERR_BASE + 8)
  51 #define NPERR_INVALID_PARAM               (NPERR_BASE + 9)
  52 #define NPERR_INVALID_URL                 (NPERR_BASE + 10)
  53 #define NPERR_FILE_NOT_FOUND              (NPERR_BASE + 11)
  54 #define NPERR_NO_DATA                     (NPERR_BASE + 12)
  55 #define NPERR_STREAM_NOT_SEEKABLE         (NPERR_BASE + 13)
  56
  57 /* Parts of npfunctions.h */
  58
  59 typedef NPError (CDECL *NPP_NewProcPtr)(NPMIMEType,NPP,UINT16,INT16,char**,char**,NPSavedData*);
  60 typedef NPError (CDECL *NPP_DestroyProcPtr)(NPP,NPSavedData**);
  61 typedef NPError (CDECL *NPP_SetWindowProcPtr)(NPP,NPWindow*);
  62 typedef NPError (CDECL *NPP_NewStreamProcPtr)(NPP,NPMIMEType,NPStream*,NPBool,UINT16*);
  63 typedef NPError (CDECL *NPP_DestroyStreamProcPtr)(NPP,NPStream*,NPReason);
  64 typedef INT32 (CDECL *NPP_WriteReadyProcPtr)(NPP,NPStream*);
  65 typedef INT32 (CDECL *NPP_WriteProcPtr)(NPP,NPStream*,INT32,INT32,void*);
  66 typedef void (CDECL *NPP_StreamAsFileProcPtr)(NPP,NPStream*,const char*);
  67 typedef void (CDECL *NPP_PrintProcPtr)(NPP,NPPrint*);
  68 typedef INT16 (CDECL *NPP_HandleEventProcPtr)(NPP,void*);
  69 typedef void (CDECL *NPP_URLNotifyProcPtr)(NPP,const char*,NPReason,void*);
  70 typedef NPError (CDECL *NPP_GetValueProcPtr)(NPP,NPPVariable,void*);
  71 typedef NPError (CDECL *NPP_SetValueProcPtr)(NPP,NPNVariable,void*);
  72 typedef NPBool (CDECL *NPP_GotFocusPtr)(NPP,NPFocusDirection);
  73 typedef void (CDECL *NPP_LostFocusPtr)(NPP);
  74
  75 typedef struct _NPPluginFuncs {
  76     UINT16 size;
  77     UINT16 version;
  78     NPP_NewProcPtr newp;
  79     NPP_DestroyProcPtr destroy;
  80     NPP_SetWindowProcPtr setwindow;
  81     NPP_NewStreamProcPtr newstream;
  82     NPP_DestroyStreamProcPtr destroystream;
  83     NPP_StreamAsFileProcPtr asfile;
  84     NPP_WriteReadyProcPtr writeready;
  85     NPP_WriteProcPtr write;
  86     NPP_PrintProcPtr print;
  87     NPP_HandleEventProcPtr event;
  88     NPP_URLNotifyProcPtr urlnotify;
  89     void *javaClass;
  90     NPP_GetValueProcPtr getvalue;
  91     NPP_SetValueProcPtr setvalue;
  92     NPP_GotFocusPtr gotfocus;
  93     NPP_LostFocusPtr lostfocus;
  94 } NPPluginFuncs;
  95
  96 static nsIDOMElement *get_dom_element(NPP instance)
  97 {
  98     nsISupports *instance_unk = (nsISupports*)instance->ndata;
  99     nsIPluginInstance *plugin_instance;
 100     nsIPluginInstanceOwner *owner;
 101     nsIPluginTagInfo *tag_info;
 102     nsIDOMElement *elem;
 103     nsresult nsres;
 104
 105     nsres = nsISupports_QueryInterface(instance_unk, &IID_nsIPluginInstance, (void**)&plugin_instance);
 106     if(NS_FAILED(nsres))
 107         return NULL;
 108
 109     nsres = nsIPluginInstance_GetOwner(plugin_instance, &owner);
 110     nsIPluginInstance_Release(instance_unk);
 111     if(NS_FAILED(nsres) || !owner)
 112         return NULL;
 113
 114     nsres = nsISupports_QueryInterface(owner, &IID_nsIPluginTagInfo, (void**)&tag_info);
 115     nsISupports_Release(owner);
 116     if(NS_FAILED(nsres))
 117         return NULL;
 118
 119     nsres = nsIPluginTagInfo_GetDOMElement(tag_info, &elem);
 120     nsIPluginTagInfo_Release(tag_info);
 121     if(NS_FAILED(nsres))
 122         return NULL;
 123
 124     return elem;
 125 }
 126
 127 static HTMLWindow *get_elem_window(nsIDOMElement *elem)
 128 {
 129     nsIDOMWindow *nswindow;
 130     nsIDOMDocument *nsdoc;
 131     HTMLWindow *window;
 132     nsresult nsres;
 133
 134     nsres = nsIDOMElement_GetOwnerDocument(elem, &nsdoc);
 135     if(NS_FAILED(nsres))
 136         return NULL;
 137
 138     nswindow = get_nsdoc_window(nsdoc);
 139     nsIDOMDocument_Release(nsdoc);
 140     if(!nswindow)
 141         return NULL;
 142
 143     window = nswindow_to_window(nswindow);
 144     nsIDOMWindow_Release(nswindow);
 145
 146     return window;
 147 }
 148
 149 static BOOL parse_classid(const PRUnichar *classid, CLSID *clsid)
 150 {
 151     const WCHAR *ptr;
 152     unsigned len;
 153     HRESULT hres;
 154
 155     static const PRUnichar clsidW[] = {'c','l','s','i','d',':'};
 156
 157     if(strncmpiW(classid, clsidW, sizeof(clsidW)/sizeof(WCHAR)))
 158         return FALSE;
 159
 160     ptr = classid + sizeof(clsidW)/sizeof(WCHAR);
 161     len = strlenW(ptr);
 162
 163     if(len == 38) {
 164         hres = CLSIDFromString(ptr, clsid);
 165     }else if(len == 36) {
 166         WCHAR buf[39];
 167
 168         buf[0] = '{';
 169         memcpy(buf+1, ptr, len*sizeof(WCHAR));
 170         buf[37] = '}';
 171         buf[38] = 0;
 172         hres = CLSIDFromString(buf, clsid);
 173     }else {
 174         return FALSE;
 175     }
 176
 177     return SUCCEEDED(hres);
 178 }
 179
 180 static BOOL get_elem_clsid(nsIDOMElement *elem, CLSID *clsid)
 181 {
 182     nsAString attr_str, val_str;
 183     nsresult nsres;
 184     BOOL ret = FALSE;
 185
 186     static const PRUnichar classidW[] = {'c','l','a','s','s','i','d',0};
 187
 188     nsAString_InitDepend(&attr_str, classidW);
 189     nsAString_Init(&val_str, NULL);
 190     nsres = nsIDOMElement_GetAttribute(elem, &attr_str, &val_str);
 191     nsAString_Finish(&attr_str);
 192     if(NS_SUCCEEDED(nsres)) {
 193         const PRUnichar *val;
 194
 195         nsAString_GetData(&val_str, &val);
 196         if(*val)
 197             ret = parse_classid(val, clsid);
 198     }else {
 199         ERR("GetAttribute failed: %08x\n", nsres);
 200     }
 201
 202     nsAString_Finish(&attr_str);
 203     return ret;
 204 }
 205
 206 static IUnknown *create_activex_object(HTMLWindow *window, nsIDOMElement *nselem, CLSID *clsid)
 207 {
 208     IClassFactoryEx *cfex;
 209     IClassFactory *cf;
 210     IUnknown *obj;
 211     DWORD policy;
 212     HRESULT hres;
 213
 214     if(!get_elem_clsid(nselem, clsid)) {
 215         WARN("Could not determine element CLSID\n");
 216         return NULL;
 217     }
 218
 219     TRACE("clsid %s\n", debugstr_guid(clsid));
 220
 221     policy = 0;
 222     hres = IInternetHostSecurityManager_ProcessUrlAction(&window->doc->IInternetHostSecurityManager_iface,
 223             URLACTION_ACTIVEX_RUN, (BYTE*)&policy, sizeof(policy), (BYTE*)clsid, sizeof(GUID), 0, 0);
 224     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 225         WARN("ProcessUrlAction returned %08x %x\n", hres, policy);
 226         return NULL;
 227     }
 228
 229     hres = CoGetClassObject(clsid, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER, NULL, &IID_IClassFactory, (void**)&cf);
 230     if(FAILED(hres))
 231         return NULL;
 232
 233     hres = IClassFactory_QueryInterface(cf, &IID_IClassFactoryEx, (void**)&cfex);
 234     if(SUCCEEDED(hres)) {
 235         FIXME("Use IClassFactoryEx\n");
 236         IClassFactoryEx_Release(cfex);
 237     }
 238
 239     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IUnknown, (void**)&obj);
 240     if(FAILED(hres))
 241         return NULL;
 242
 243     return obj;
 244 }
 245
 246 static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, INT16 argc, char **argn,
 247         char **argv, NPSavedData *saved)
 248 {
 249     nsIDOMElement *nselem;
 250     HTMLWindow *window;
 251     IUnknown *obj;
 252     CLSID clsid;
 253     NPError err = NPERR_NO_ERROR;
 254
 255     TRACE("(%s %p %x %d %p %p %p)\n", debugstr_a(pluginType), instance, mode, argc, argn, argv, saved);
 256
 257     nselem = get_dom_element(instance);
 258     if(!nselem) {
 259         ERR("Could not get DOM element\n");
 260         return NPERR_GENERIC_ERROR;
 261     }
 262
 263     window = get_elem_window(nselem);
 264     if(!window) {
 265         ERR("Could not get element's window object\n");
 266         nsIDOMElement_Release(nselem);
 267         return NPERR_GENERIC_ERROR;
 268     }
 269
 270     obj = create_activex_object(window, nselem, &clsid);
 271     if(obj) {
 272         PluginHost *host;
 273         HRESULT hres;
 274
 275         hres = create_plugin_host(window->doc, nselem, obj, &clsid, &host);
 276         nsIDOMElement_Release(nselem);
 277         IUnknown_Release(obj);
 278         if(SUCCEEDED(hres))
 279             instance->pdata = host;
 280         else
 281             err = NPERR_GENERIC_ERROR;
 282     }else {
 283         err = NPERR_GENERIC_ERROR;
 284     }
 285
 286     nsIDOMElement_Release(nselem);
 287     return err;
 288 }
 289
 290 static NPError CDECL NPP_Destroy(NPP instance, NPSavedData **save)
 291 {
 292     PluginHost *host = instance->pdata;
 293
 294     TRACE("(%p %p)\n", instance, save);
 295
 296     if(!host)
 297         return NPERR_GENERIC_ERROR;
 298
 299     detach_plugin_host(host);
 300     IOleClientSite_Release(&host->IOleClientSite_iface);
 301     instance->pdata = NULL;
 302     return NPERR_NO_ERROR;
 303 }
 304
 305 static NPError CDECL NPP_SetWindow(NPP instance, NPWindow *window)
 306 {
 307     PluginHost *host = instance->pdata;
 308     RECT pos_rect = {0, 0, window->width, window->height};
 309
 310     TRACE("(%p %p)\n", instance, window);
 311
 312     if(!host)
 313         return NPERR_GENERIC_ERROR;
 314
 315     update_plugin_window(host, window->window, &pos_rect);
 316     return NPERR_NO_ERROR;
 317 }
 318
 319 static NPError CDECL NPP_NewStream(NPP instance, NPMIMEType type, NPStream *stream, NPBool seekable, UINT16 *stype)
 320 {
 321     TRACE("\n");
 322     return NPERR_GENERIC_ERROR;
 323 }
 324
 325 static NPError CDECL NPP_DestroyStream(NPP instance, NPStream *stream, NPReason reason)
 326 {
 327     TRACE("\n");
 328     return NPERR_GENERIC_ERROR;
 329 }
 330
 331 static INT32 CDECL NPP_WriteReady(NPP instance, NPStream *stream)
 332 {
 333     TRACE("\n");
 334     return NPERR_GENERIC_ERROR;
 335 }
 336
 337 static INT32 CDECL NPP_Write(NPP instance, NPStream *stream, INT32 offset, INT32 len, void *buffer)
 338 {
 339     TRACE("\n");
 340     return NPERR_GENERIC_ERROR;
 341 }
 342
 343 static void CDECL NPP_StreamAsFile(NPP instance, NPStream *stream, const char *fname)
 344 {
 345     TRACE("\n");
 346 }
 347
 348 static void CDECL NPP_Print(NPP instance, NPPrint *platformPrint)
 349 {
 350     FIXME("\n");
 351 }
 352
 353 static INT16 CDECL NPP_HandleEvent(NPP instance, void *event)
 354 {
 355     TRACE("\n");
 356     return NPERR_GENERIC_ERROR;
 357 }
 358
 359 static void CDECL NPP_URLNotify(NPP instance, const char *url, NPReason reason, void *notifyData)
 360 {
 361     TRACE("\n");
 362 }
 363
 364 static NPError CDECL NPP_GetValue(NPP instance, NPPVariable variable, void *ret_value)
 365 {
 366     TRACE("\n");
 367     return NPERR_GENERIC_ERROR;
 368 }
 369
 370 static NPError CDECL NPP_SetValue(NPP instance, NPNVariable variable, void *value)
 371 {
 372     TRACE("\n");
 373     return NPERR_GENERIC_ERROR;
 374 }
 375
 376 static NPBool CDECL NPP_GotFocus(NPP instance, NPFocusDirection direction)
 377 {
 378     FIXME("\n");
 379     return NPERR_GENERIC_ERROR;
 380 }
 381
 382 static void CDECL NPP_LostFocus(NPP instance)
 383 {
 384     FIXME("\n");
 385 }
 386
 387 /***********************************************************************
 388  *          NP_GetEntryPoints (mshtml.@)
 389  */
 390 NPError WINAPI NP_GetEntryPoints(NPPluginFuncs* funcs)
 391 {
 392     TRACE("(%p)\n", funcs);
 393
 394     funcs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
 395     funcs->newp = NPP_New;
 396     funcs->destroy = NPP_Destroy;
 397     funcs->setwindow = NPP_SetWindow;
 398     funcs->newstream = NPP_NewStream;
 399     funcs->destroystream = NPP_DestroyStream;
 400     funcs->asfile = NPP_StreamAsFile;
 401     funcs->writeready = NPP_WriteReady;
 402     funcs->write = NPP_Write;
 403     funcs->print = NPP_Print;
 404     funcs->event = NPP_HandleEvent;
 405     funcs->urlnotify = NPP_URLNotify;
 406     funcs->javaClass = NULL;
 407     funcs->getvalue = NPP_GetValue;
 408     funcs->setvalue = NPP_SetValue;
 409     funcs->gotfocus = NPP_GotFocus;
 410     funcs->lostfocus = NPP_LostFocus;
 411
 412     return NPERR_NO_ERROR;
 413 }