LCOV - app.info - content/base/src/mozSanitizingSerializer.h

LCOV - code coverage report
| Current view: | directory - content/base/src - mozSanitizingSerializer.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 20 | 0 | 0.0 %
| Date: | 2012-06-02 | Functions: | 16 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* vim: set ts=2 sw=2 et tw=80: */
           3                 : /* ***** BEGIN LICENSE BLOCK *****
           4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           5                 :  *
           6                 :  * The contents of this file are subject to the Mozilla Public License Version
           7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           8                 :  * the License. You may obtain a copy of the License at
           9                 :  * http://www.mozilla.org/MPL/
          10                 :  *
          11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          13                 :  * for the specific language governing rights and limitations under the
          14                 :  * License.
          15                 :  *
          16                 :  * The Original Code is mozilla.org HTML Sanitizer code.
          17                 :  *
          18                 :  * The Initial Developer of the Original Code is
          19                 :  * Ben Bucksch <mozilla@bucksch.org>.
          20                 :  * Portions created by the Initial Developer are Copyright (C) 2002
          21                 :  * the Initial Developer. All Rights Reserved.
          22                 :  *
          23                 :  * Contributor(s):
          24                 :  *   Netscape
          25                 :  *
          26                 :  * Alternatively, the contents of this file may be used under the terms of
          27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          30                 :  * of those above. If you wish to allow use of your version of this file only
          31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          32                 :  * use your version of this file under the terms of the MPL, indicate your
          33                 :  * decision by deleting the provisions above and replace them with the notice
          34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          35                 :  * the provisions above, a recipient may use your version of this file under
          36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          37                 :  *
          38                 :  * ***** END LICENSE BLOCK ***** */
          39                 :
          40                 : /*
          41                 :  * A serializer and content sink that removes potentially insecure or
          42                 :  * otherwise dangerous or offending HTML (eg for display of HTML
          43                 :  * e-mail attachments or something).
          44                 :  */
          45                 :
          46                 : #ifndef mozSanitizingSerializer_h__
          47                 : #define mozSanitizingSerializer_h__
          48                 :
          49                 : #include "mozISanitizingSerializer.h"
          50                 : #include "nsIContentSerializer.h"
          51                 : #include "nsIHTMLContentSink.h"
          52                 : #include "nsHTMLTags.h"
          53                 : #include "nsCOMPtr.h"
          54                 : #include "nsIParserService.h"
          55                 : #include "nsIContent.h"
          56                 : #include "nsIAtom.h"
          57                 : #include "nsString.h"
          58                 : #include "nsIParser.h"
          59                 : #include "nsHashtable.h"
          60                 :
          61                 : class mozSanitizingHTMLSerializer : public nsIContentSerializer,
          62                 :                                     public nsIHTMLContentSink,
          63                 :                                     public mozISanitizingHTMLSerializer
          64                 : {
          65                 : public:
          66                 :   mozSanitizingHTMLSerializer();
          67                 :   virtual ~mozSanitizingHTMLSerializer();
          68                 :   static bool ReleaseProperties(nsHashKey* key, void* data, void* closure);
          69                 :
          70                 :   NS_DECL_ISUPPORTS
          71                 :
          72                 :   // nsIContentSerializer
          73                 :   NS_IMETHOD Init(PRUint32 flags, PRUint32 dummy, const char* aCharSet,
          74                 :                   bool aIsCopying, bool aIsWholeDocument);
          75                 :
          76                 :   NS_IMETHOD AppendText(nsIContent* aText, PRInt32 aStartOffset,
          77                 :                         PRInt32 aEndOffset, nsAString& aStr);
          78               0 :   NS_IMETHOD AppendCDATASection(nsIContent* aCDATASection,
          79                 :                                 PRInt32 aStartOffset, PRInt32 aEndOffset,
          80                 :                                 nsAString& aStr)
          81               0 :                       { return NS_OK; }
          82               0 :   NS_IMETHOD AppendProcessingInstruction(nsIContent* aPI,
          83                 :                                          PRInt32 aStartOffset,
          84                 :                                          PRInt32 aEndOffset,
          85                 :                                          nsAString& aStr)
          86               0 :                       { return NS_OK; }
          87               0 :   NS_IMETHOD AppendComment(nsIContent* aComment, PRInt32 aStartOffset,
          88                 :                            PRInt32 aEndOffset, nsAString& aStr)
          89               0 :                       { return NS_OK; }
          90               0 :   NS_IMETHOD AppendDoctype(nsIContent *aDoctype, nsAString& aStr)
          91               0 :                       { return NS_OK; }
          92                 :   NS_IMETHOD AppendElementStart(mozilla::dom::Element* aElement,
          93                 :                                 mozilla::dom::Element* aOriginalElement,
          94                 :                                 nsAString& aStr);
          95                 :   NS_IMETHOD AppendElementEnd(mozilla::dom::Element* aElement,
          96                 :                               nsAString& aStr);
          97                 :   NS_IMETHOD Flush(nsAString& aStr);
          98                 :
          99                 :   NS_IMETHOD AppendDocumentStart(nsIDocument *aDocument,
         100                 :                                  nsAString& aStr);
         101                 :
         102                 :   // nsIContentSink
         103               0 :   NS_IMETHOD WillParse(void) { return NS_OK; }
         104               0 :   NS_IMETHOD WillInterrupt(void) { return NS_OK; }
         105               0 :   NS_IMETHOD WillResume(void) { return NS_OK; }
         106               0 :   NS_IMETHOD SetParser(nsParserBase* aParser) { return NS_OK; }
         107                 :   NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
         108                 :   NS_IMETHOD CloseContainer(const nsHTMLTag aTag);
         109                 :   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
         110               0 :   virtual void FlushPendingNotifications(mozFlushType aType) { }
         111                 :   NS_IMETHOD SetDocumentCharset(nsACString& aCharset);
         112               0 :   virtual nsISupports *GetTarget() { return nsnull; }
         113                 :
         114                 :   // nsIHTMLContentSink
         115                 :   NS_IMETHOD OpenHead();
         116                 :   NS_IMETHOD IsEnabled(PRInt32 aTag, bool* aReturn);
         117               0 :   NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode) { return NS_OK; }
         118               0 :   NS_IMETHOD BeginContext(PRInt32 aPosition) { return NS_OK; }
         119               0 :   NS_IMETHOD EndContext(PRInt32 aPosition) { return NS_OK; }
         120               0 :   NS_IMETHOD DidProcessTokens(void) { return NS_OK; }
         121               0 :   NS_IMETHOD WillProcessAToken(void) { return NS_OK; }
         122               0 :   NS_IMETHOD DidProcessAToken(void) { return NS_OK; }
         123                 :
         124                 :   // nsISanitizingHTMLSerializer
         125                 :   NS_IMETHOD Initialize(nsAString* aOutString,
         126                 :                         PRUint32 aFlags, const nsAString& allowedTags);
         127                 :
         128                 : protected:
         129                 :   nsresult ParsePrefs(const nsAString& aPref);
         130                 :   nsresult ParseTagPref(const nsCAutoString& tagpref);
         131                 :   bool IsAllowedTag(nsHTMLTag aTag);
         132                 :   bool IsAllowedAttribute(nsHTMLTag aTag, const nsAString& anAttributeName);
         133                 :   nsresult SanitizeAttrValue(nsHTMLTag aTag, const nsAString& attr_name,
         134                 :                              nsString& value /*inout*/);
         135                 :   nsresult SanitizeTextNode(nsString& value /*inout*/);
         136                 :   bool IsContainer(PRInt32 aId);
         137                 :   static PRInt32 GetIdForContent(nsIContent* aContent);
         138                 :   nsresult GetParserService(nsIParserService** aParserService);
         139                 :   nsresult DoOpenContainer(PRInt32 aTag);
         140                 :   nsresult DoCloseContainer(PRInt32 aTag);
         141                 :   nsresult DoAddLeaf(PRInt32 aTag, const nsAString& aText);
         142                 :   void Write(const nsAString& aString);
         143                 :
         144                 : protected:
         145                 :   PRInt32                      mFlags;
         146                 :   PRUint32                     mSkipLevel;
         147                 :   nsHashtable                  mAllowedTags;
         148                 :
         149                 :   nsRefPtr<mozilla::dom::Element> mElement;
         150                 :   nsAString*                   mOutputString;
         151                 :   nsIParserNode*               mParserNode;
         152                 :   nsCOMPtr<nsIParserService>   mParserService;
         153                 : };
         154                 :
         155                 : nsresult
         156                 : NS_NewSanitizingHTMLSerializer(nsIContentSerializer** aSerializer);
         157                 :
         158                 : #endif

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