SecurityHandler.h

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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2008 by PDFTron Systems Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------

#ifndef   H_CPPSDFSecurityHandler
#define   H_CPPSDFSecurityHandler


#include <vector>
#include <Filters/Filter.h>


namespace pdftron { 
        namespace SDF {

class Obj;
class SDFDoc;


class SecurityHandler
{
public:

        enum Permission
        {
                e_all = 1,              
                e_doc_open,             
                e_doc_secure,           
                e_doc_modify,           
                e_print,                
                e_print_high,           
                e_extract_content,      
                e_mod_annot,            
                e_fill_forms,           
                e_access_support,       
                e_assemble_doc          
        };

         SecurityHandler(TRN_SecurityHandler impl, bool owner);

         bool GetPermission(Permission p);

         SecurityHandler Clone();

         int GetKeyLength() const;

         int GetEncryptionAlgorithmID() const;

         const char* GetHandlerDocName() const;

         bool IsModified () const;

         void SetModified (bool is_modified = true);


        enum AlgorithmType {
                e_RC4_40 = 1,      
                e_RC4_128,         
                e_AES              
        };

         SecurityHandler (AlgorithmType crypt_type);    

         SecurityHandler (int key_len, int enc_code);   
         SecurityHandler ();    

         SecurityHandler (const SecurityHandler& s);
         ~SecurityHandler ();
        
         void ChangeUserPassword(const char* password);

         const char* GetUserPassword();

         void ChangeMasterPassword(const char* password);

         const char* GetMasterPassword();

         void SetPermission (Permission perm, bool value);

         void ChangeRevisionNumber (int rev_num);

         void SetEncryptMetadata(bool encrypt_metadata);

         int GetRevisionNumber ();

         bool IsUserPasswordRequired ();

         bool IsMasterPasswordRequired ();

         bool IsAES() const;

         bool IsAES(Obj stream) const;

         bool IsRC4() const;

         operator bool () { return mp_handler!=0;}

        TRN_SecurityHandler mp_handler;
        bool m_owner; 
};




        };      // namespace SDF
};      // namespace pdftron

#include <Impl/SDFDoc.inl>
#endif

---

© 2002-2008 PDFTron Systems Inc.