204 lines
6.7 KiB
C++
204 lines
6.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIPluginHost_h___
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#define nsIPluginHost_h___
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#include "xp_core.h"
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#include "nsplugindefs.h"
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#include "nsIFactory.h"
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#include "nsString.h"
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#include "nsIPluginInstanceOwner.h"
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#include "nsIStreamListener.h"
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#include "nsNetUtil.h"
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#include "nsIStringStream.h"
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#include "prlink.h" // for PRLibrary
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class nsIPlugin;
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class nsIURI;
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class nsIDOMPlugin;
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#define NS_IPLUGINHOST_IID \
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{ 0x264c0640, 0x1c31, 0x11d2, \
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{ 0xa8, 0x2e, 0x00, 0x40, 0x95, 0x9a, 0x28, 0xc9 } }
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struct nsIPluginHost : public nsIFactory
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPLUGINHOST_IID)
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NS_IMETHOD
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Init(void) = 0;
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NS_IMETHOD
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Destroy(void) = 0;
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NS_IMETHOD
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LoadPlugins(void) = 0;
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NS_IMETHOD
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GetPluginFactory(const char *aMimeType, nsIPlugin** aPlugin) = 0;
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NS_IMETHOD
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InstantiateEmbededPlugin(const char *aMimeType, nsIURI* aURL, nsIPluginInstanceOwner *aOwner) = 0;
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NS_IMETHOD
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InstantiateFullPagePlugin(const char *aMimeType, nsString& aURLSpec, nsIStreamListener *&aStreamListener, nsIPluginInstanceOwner *aOwner) = 0;
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NS_IMETHOD
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SetUpPluginInstance(const char *aMimeType, nsIURI *aURL, nsIPluginInstanceOwner *aOwner) = 0;
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NS_IMETHOD
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IsPluginEnabledForType(const char* aMimeType) = 0;
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NS_IMETHOD
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IsPluginEnabledForExtension(const char* aExtension, const char* &aMimeType) = 0;
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NS_IMETHOD
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GetPluginCount(PRUint32* aPluginCount) = 0;
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NS_IMETHOD
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GetPlugins(PRUint32 aPluginCount, nsIDOMPlugin* aPluginArray[]) = 0;
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NS_IMETHOD
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StopPluginInstance(nsIPluginInstance* aInstance) = 0;
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NS_IMETHOD
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HandleBadPlugin(PRLibrary* aLibrary) = 0;
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};
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/**
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* Used for creating the correct input stream for plugins
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* We can either have raw data (with or without \r\n\r\n) or a path to a file (but it must be native!)
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* When making an nsIInputStream stream for the plugins POST data, be sure to take into
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* account that it could be binary and full of nulls, see bug 105417. Also, we need
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* to make a copy of the buffer because the plugin may have allocated it on the stack.
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* For an example of this, see Shockwave registration or bug 108966
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*/
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inline nsresult
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NS_NewPluginPostDataStream(nsIInputStream **result,
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const char *data,
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PRUint32 contentLength,
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PRBool isFile = PR_FALSE,
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PRBool headers = PR_FALSE)
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{
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if (!data)
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return NS_ERROR_UNEXPECTED;
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nsresult rv = NS_ERROR_FAILURE;
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if (!isFile) { // do raw data case first
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if (contentLength < 1)
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return NS_ERROR_UNEXPECTED;
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char * buf = nsnull;
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/**
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* makes the buffer correct according to the assumption of nsHTTPRequest.cpp
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* that postData include "\r\n\r\n".
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* This will search for "\r\n\n", which indicates the end of
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* the last header. It will then search for the first non-whitespace
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* character after the last header. It will then create a new buffer
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* with the existing headers, a correct "\r\n\r\n", then the post data.
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* If no "\r\n" is found, the data does not contain headers, and a simple
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* "\r\n\r\n" is prepended to the buffer. See bug 60228 for more info.
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* ...but not for headers!
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*/
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if (!headers && !PL_strnstr(data, "\r\n\r\n", contentLength)) {
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const char *crlf = nsnull;
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const char *crlfcrlf = "\r\n\r\n";
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const char *t;
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char *newBuf;
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PRInt32 headersLen = 0, dataLen = 0;
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if (!(newBuf = (char*)nsMemory::Alloc(contentLength + 4))) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsCRT::memset(newBuf, 0, contentLength + 4);
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if (!(crlf = PL_strnstr(data, "\r\n\n", contentLength))) {
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nsMemory::Free(newBuf);
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return NS_ERROR_NULL_POINTER;
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}
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headersLen = crlf - data;
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// find the next non-whitespace char
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t = crlf + 3;
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while (*t == '\r' || *t == '\n' || *t == '\t' || *t == ' ' && *t) {
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t++;
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}
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if (*t) {
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// copy the headers
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nsCRT::memcpy(newBuf, data, headersLen);
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// copy the correct crlfcrlf
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nsCRT::memcpy(newBuf + headersLen, crlfcrlf, 4);
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// copy the rest of the postData
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dataLen = contentLength - (t - data);
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nsCRT::memcpy(newBuf + headersLen + 4, t, dataLen);
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contentLength = headersLen + 4 + dataLen;
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buf = newBuf;
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} else {
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nsMemory::Free(newBuf);
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return NS_ERROR_NULL_POINTER;
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}
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} else {
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// We got correctly formated data passed in!
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if (!(buf = (char*)nsMemory::Alloc(contentLength)))
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return NS_ERROR_OUT_OF_MEMORY;
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nsCRT::memcpy(buf, data, contentLength);
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}
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nsCOMPtr<nsIStringInputStream> sis = do_CreateInstance("@mozilla.org/io/string-input-stream;1",&rv);
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if (NS_SUCCEEDED(rv)) {
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sis->AdoptData(buf, contentLength); // let the string stream manage our data
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rv = CallQueryInterface(sis, result);
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}
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} else
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rv = NS_NewPostDataStream(result, isFile, data, 0); // used only for disk data
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return rv;
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}
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#endif // nsIPluginHost_h___
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