xref: /trunk/main/sc/inc/tabprotection.hxx (revision d666495c4f609ab94ddded8b0141831070b22d11)
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21 
22 
23 
24 #ifndef SC_TAB_PROTECTION_HXX
25 #define SC_TAB_PROTECTION_HXX
26 
27 #include "sal/types.h"
28 #include <com/sun/star/uno/Sequence.hxx>
29 
30 #include "global.hxx"
31 #include <vector>
32 #include <boost/shared_ptr.hpp>
33 
34 #define ENABLE_SHEET_PROTECTION 1
35 
36 class ScDocument;
37 class ScTableProtectionImpl;
38 
39 enum ScPasswordHash
40 {
41     PASSHASH_OOO = 0,   // ODF hash: SHA-1 (20 bytes) or SHA-256 of the UTF-8 password (32 bytes)
42     PASSHASH_XL,
43     PASSHASH_SHA256     // only requested from getPasswordHash(); never stored as the tag
44 };
45 
46 class ScPassHashHelper
47 {
48 public:
49     /** Check for the compatibility of all password hashes.  If there is at
50         least one hash that needs to be regenerated, it returns true.  If all
51         hash values are compatible with the specified hash type, then it
52         returns false. */
53     static bool needsPassHashRegen(const ScDocument& rDoc, ScPasswordHash eHash);
54 
55 private:
56     ScPassHashHelper();
57     ~ScPassHashHelper();
58 };
59 
60 // ============================================================================
61 
62 class SAL_NO_VTABLE ScPassHashProtectable
63 {
64 public:
65     virtual ~ScPassHashProtectable() = 0;
66 
67     virtual bool isProtected() const = 0;
68     virtual bool isProtectedWithPass() const = 0;
69     virtual void setProtected(bool bProtected) = 0;
70 
71     virtual bool isPasswordEmpty() const = 0;
72     virtual bool hasPasswordHash(ScPasswordHash eHash) const = 0;
73     virtual void setPassword(const String& aPassText) = 0;
74     virtual ::com::sun::star::uno::Sequence<sal_Int8> getPasswordHash(ScPasswordHash eHash) const = 0;
75     virtual void setPasswordHash(const ::com::sun::star::uno::Sequence<sal_Int8>& aPassword,
76                                  ScPasswordHash eHash = PASSHASH_OOO) = 0;
77     virtual bool verifyPassword(const String& aPassText) const = 0;
78 };
79 
80 // ============================================================================
81 
82 class SC_DLLPUBLIC ScDocProtection : public ScPassHashProtectable
83 {
84 public:
85     enum Option
86     {
87         STRUCTURE = 0,
88         WINDOWS,
89         CONTENT,
90         NONE        // last item - used to resize the vector
91     };
92 
93     explicit ScDocProtection();
94     explicit ScDocProtection(const ScDocProtection& r);
95     virtual ~ScDocProtection();
96 
97     virtual bool isProtected() const;
98     virtual bool isProtectedWithPass() const;
99     virtual void setProtected(bool bProtected);
100 
101     virtual bool isPasswordEmpty() const;
102     virtual bool hasPasswordHash(ScPasswordHash eHash) const;
103     virtual void setPassword(const String& aPassText);
104     virtual ::com::sun::star::uno::Sequence<sal_Int8> getPasswordHash(ScPasswordHash eHash) const;
105     virtual void setPasswordHash(const ::com::sun::star::uno::Sequence<sal_Int8>& aPassword,
106                                  ScPasswordHash eHash = PASSHASH_OOO);
107     virtual bool verifyPassword(const String& aPassText) const;
108 
109     bool isOptionEnabled(Option eOption) const;
110     void setOption(Option eOption, bool bEnabled);
111 
112 private:
113     ::boost::shared_ptr<ScTableProtectionImpl> mpImpl;
114 };
115 
116 // ============================================================================
117 
118 /** sheet protection state container
119 
120     This class stores sheet's protection state: 1) whether the protection
121     is on, 2) password and/or password hash, and 3) any associated
122     protection options.  This class is also used as a protection state
123     container for the undo/redo stack, in which case the password, hash and
124     the options need to be preserved even when the protection flag is
125     off. */
126 class SC_DLLPUBLIC ScTableProtection : public ScPassHashProtectable
127 {
128 public:
129     enum Option
130     {
131         AUTOFILTER = 0,
132         DELETE_COLUMNS,
133         DELETE_ROWS,
134         FORMAT_CELLS,
135         FORMAT_COLUMNS,
136         FORMAT_ROWS,
137         INSERT_COLUMNS,
138         INSERT_HYPERLINKS,
139         INSERT_ROWS,
140         OBJECTS,
141         PIVOT_TABLES,
142         SCENARIOS,
143         SELECT_LOCKED_CELLS,
144         SELECT_UNLOCKED_CELLS,
145         SHEET,
146         SORT,
147         NONE        // last item - used to resize the vector
148     };
149 
150     explicit ScTableProtection();
151     explicit ScTableProtection(const ScTableProtection& r);
152     virtual ~ScTableProtection();
153 
154     virtual bool isProtected() const;
155     virtual bool isProtectedWithPass() const;
156     virtual void setProtected(bool bProtected);
157 
158     virtual bool isPasswordEmpty() const;
159     virtual bool hasPasswordHash(ScPasswordHash eHash) const;
160     virtual void setPassword(const String& aPassText);
161     virtual ::com::sun::star::uno::Sequence<sal_Int8> getPasswordHash(ScPasswordHash eHash) const;
162     virtual void setPasswordHash(const ::com::sun::star::uno::Sequence<sal_Int8>& aPassword,
163                                  ScPasswordHash eHash = PASSHASH_OOO);
164     virtual bool verifyPassword(const String& aPassText) const;
165 
166     bool isOptionEnabled(Option eOption) const;
167     void setOption(Option eOption, bool bEnabled);
168 
169 private:
170     ::boost::shared_ptr<ScTableProtectionImpl> mpImpl;
171 };
172 
173 
174 #endif
175